xref: /freebsd/contrib/elftoolchain/readelf/readelf.c (revision 453b09caf5d11a43b6459aa2cf8302b5b98ad456)
1 /*-
2  * Copyright (c) 2009-2015 Kai Wang
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  */
26 
27 #include <sys/param.h>
28 #include <sys/queue.h>
29 #include <ar.h>
30 #include <assert.h>
31 #include <ctype.h>
32 #include <dwarf.h>
33 #include <err.h>
34 #include <fcntl.h>
35 #include <gelf.h>
36 #include <getopt.h>
37 #include <libdwarf.h>
38 #include <libelftc.h>
39 #include <libgen.h>
40 #include <stdarg.h>
41 #include <stdint.h>
42 #include <stdio.h>
43 #include <stdlib.h>
44 #include <string.h>
45 #include <time.h>
46 #include <unistd.h>
47 
48 #include "_elftc.h"
49 
50 ELFTC_VCSID("$Id: readelf.c 3223 2015-05-25 20:37:57Z emaste $");
51 
52 /*
53  * readelf(1) options.
54  */
55 #define	RE_AA	0x00000001
56 #define	RE_C	0x00000002
57 #define	RE_DD	0x00000004
58 #define	RE_D	0x00000008
59 #define	RE_G	0x00000010
60 #define	RE_H	0x00000020
61 #define	RE_II	0x00000040
62 #define	RE_I	0x00000080
63 #define	RE_L	0x00000100
64 #define	RE_NN	0x00000200
65 #define	RE_N	0x00000400
66 #define	RE_P	0x00000800
67 #define	RE_R	0x00001000
68 #define	RE_SS	0x00002000
69 #define	RE_S	0x00004000
70 #define	RE_T	0x00008000
71 #define	RE_U	0x00010000
72 #define	RE_VV	0x00020000
73 #define	RE_WW	0x00040000
74 #define	RE_W	0x00080000
75 #define	RE_X	0x00100000
76 
77 /*
78  * dwarf dump options.
79  */
80 #define	DW_A	0x00000001
81 #define	DW_FF	0x00000002
82 #define	DW_F	0x00000004
83 #define	DW_I	0x00000008
84 #define	DW_LL	0x00000010
85 #define	DW_L	0x00000020
86 #define	DW_M	0x00000040
87 #define	DW_O	0x00000080
88 #define	DW_P	0x00000100
89 #define	DW_RR	0x00000200
90 #define	DW_R	0x00000400
91 #define	DW_S	0x00000800
92 
93 #define	DW_DEFAULT_OPTIONS (DW_A | DW_F | DW_I | DW_L | DW_O | DW_P | \
94 	    DW_R | DW_RR | DW_S)
95 
96 /*
97  * readelf(1) run control flags.
98  */
99 #define	DISPLAY_FILENAME	0x0001
100 
101 /*
102  * Internal data structure for sections.
103  */
104 struct section {
105 	const char	*name;		/* section name */
106 	Elf_Scn		*scn;		/* section scn */
107 	uint64_t	 off;		/* section offset */
108 	uint64_t	 sz;		/* section size */
109 	uint64_t	 entsize;	/* section entsize */
110 	uint64_t	 align;		/* section alignment */
111 	uint64_t	 type;		/* section type */
112 	uint64_t	 flags;		/* section flags */
113 	uint64_t	 addr;		/* section virtual addr */
114 	uint32_t	 link;		/* section link ndx */
115 	uint32_t	 info;		/* section info ndx */
116 };
117 
118 struct dumpop {
119 	union {
120 		size_t si;		/* section index */
121 		const char *sn;		/* section name */
122 	} u;
123 	enum {
124 		DUMP_BY_INDEX = 0,
125 		DUMP_BY_NAME
126 	} type;				/* dump type */
127 #define HEX_DUMP	0x0001
128 #define STR_DUMP	0x0002
129 	int op;				/* dump operation */
130 	STAILQ_ENTRY(dumpop) dumpop_list;
131 };
132 
133 struct symver {
134 	const char *name;
135 	int type;
136 };
137 
138 /*
139  * Structure encapsulates the global data for readelf(1).
140  */
141 struct readelf {
142 	const char	 *filename;	/* current processing file. */
143 	int		  options;	/* command line options. */
144 	int		  flags;	/* run control flags. */
145 	int		  dop;		/* dwarf dump options. */
146 	Elf		 *elf;		/* underlying ELF descriptor. */
147 	Elf		 *ar;		/* archive ELF descriptor. */
148 	Dwarf_Debug	  dbg;		/* DWARF handle. */
149 	Dwarf_Half	  cu_psize;	/* DWARF CU pointer size. */
150 	Dwarf_Half	  cu_osize;	/* DWARF CU offset size. */
151 	Dwarf_Half	  cu_ver;	/* DWARF CU version. */
152 	GElf_Ehdr	  ehdr;		/* ELF header. */
153 	int		  ec;		/* ELF class. */
154 	size_t		  shnum;	/* #sections. */
155 	struct section	 *vd_s;		/* Verdef section. */
156 	struct section	 *vn_s;		/* Verneed section. */
157 	struct section	 *vs_s;		/* Versym section. */
158 	uint16_t	 *vs;		/* Versym array. */
159 	int		  vs_sz;	/* Versym array size. */
160 	struct symver	 *ver;		/* Version array. */
161 	int		  ver_sz;	/* Size of version array. */
162 	struct section	 *sl;		/* list of sections. */
163 	STAILQ_HEAD(, dumpop) v_dumpop; /* list of dump ops. */
164 	uint64_t	(*dw_read)(Elf_Data *, uint64_t *, int);
165 	uint64_t	(*dw_decode)(uint8_t **, int);
166 };
167 
168 enum options
169 {
170 	OPTION_DEBUG_DUMP
171 };
172 
173 static struct option longopts[] = {
174 	{"all", no_argument, NULL, 'a'},
175 	{"arch-specific", no_argument, NULL, 'A'},
176 	{"archive-index", no_argument, NULL, 'c'},
177 	{"debug-dump", optional_argument, NULL, OPTION_DEBUG_DUMP},
178 	{"dynamic", no_argument, NULL, 'd'},
179 	{"file-header", no_argument, NULL, 'h'},
180 	{"full-section-name", no_argument, NULL, 'N'},
181 	{"headers", no_argument, NULL, 'e'},
182 	{"help", no_argument, 0, 'H'},
183 	{"hex-dump", required_argument, NULL, 'x'},
184 	{"histogram", no_argument, NULL, 'I'},
185 	{"notes", no_argument, NULL, 'n'},
186 	{"program-headers", no_argument, NULL, 'l'},
187 	{"relocs", no_argument, NULL, 'r'},
188 	{"sections", no_argument, NULL, 'S'},
189 	{"section-headers", no_argument, NULL, 'S'},
190 	{"section-groups", no_argument, NULL, 'g'},
191 	{"section-details", no_argument, NULL, 't'},
192 	{"segments", no_argument, NULL, 'l'},
193 	{"string-dump", required_argument, NULL, 'p'},
194 	{"symbols", no_argument, NULL, 's'},
195 	{"syms", no_argument, NULL, 's'},
196 	{"unwind", no_argument, NULL, 'u'},
197 	{"use-dynamic", no_argument, NULL, 'D'},
198 	{"version-info", no_argument, 0, 'V'},
199 	{"version", no_argument, 0, 'v'},
200 	{"wide", no_argument, 0, 'W'},
201 	{NULL, 0, NULL, 0}
202 };
203 
204 struct eflags_desc {
205 	uint64_t flag;
206 	const char *desc;
207 };
208 
209 struct mips_option {
210 	uint64_t flag;
211 	const char *desc;
212 };
213 
214 static void add_dumpop(struct readelf *re, size_t si, const char *sn, int op,
215     int t);
216 static const char *aeabi_adv_simd_arch(uint64_t simd);
217 static const char *aeabi_align_needed(uint64_t an);
218 static const char *aeabi_align_preserved(uint64_t ap);
219 static const char *aeabi_arm_isa(uint64_t ai);
220 static const char *aeabi_cpu_arch(uint64_t arch);
221 static const char *aeabi_cpu_arch_profile(uint64_t pf);
222 static const char *aeabi_div(uint64_t du);
223 static const char *aeabi_enum_size(uint64_t es);
224 static const char *aeabi_fp_16bit_format(uint64_t fp16);
225 static const char *aeabi_fp_arch(uint64_t fp);
226 static const char *aeabi_fp_denormal(uint64_t fd);
227 static const char *aeabi_fp_exceptions(uint64_t fe);
228 static const char *aeabi_fp_hpext(uint64_t fh);
229 static const char *aeabi_fp_number_model(uint64_t fn);
230 static const char *aeabi_fp_optm_goal(uint64_t fog);
231 static const char *aeabi_fp_rounding(uint64_t fr);
232 static const char *aeabi_hardfp(uint64_t hfp);
233 static const char *aeabi_mpext(uint64_t mp);
234 static const char *aeabi_optm_goal(uint64_t og);
235 static const char *aeabi_pcs_config(uint64_t pcs);
236 static const char *aeabi_pcs_got(uint64_t got);
237 static const char *aeabi_pcs_r9(uint64_t r9);
238 static const char *aeabi_pcs_ro(uint64_t ro);
239 static const char *aeabi_pcs_rw(uint64_t rw);
240 static const char *aeabi_pcs_wchar_t(uint64_t wt);
241 static const char *aeabi_t2ee(uint64_t t2ee);
242 static const char *aeabi_thumb_isa(uint64_t ti);
243 static const char *aeabi_fp_user_exceptions(uint64_t fu);
244 static const char *aeabi_unaligned_access(uint64_t ua);
245 static const char *aeabi_vfp_args(uint64_t va);
246 static const char *aeabi_virtual(uint64_t vt);
247 static const char *aeabi_wmmx_arch(uint64_t wmmx);
248 static const char *aeabi_wmmx_args(uint64_t wa);
249 static const char *elf_class(unsigned int class);
250 static const char *elf_endian(unsigned int endian);
251 static const char *elf_machine(unsigned int mach);
252 static const char *elf_osabi(unsigned int abi);
253 static const char *elf_type(unsigned int type);
254 static const char *elf_ver(unsigned int ver);
255 static const char *dt_type(unsigned int mach, unsigned int dtype);
256 static void dump_ar(struct readelf *re, int);
257 static void dump_arm_attributes(struct readelf *re, uint8_t *p, uint8_t *pe);
258 static void dump_attributes(struct readelf *re);
259 static uint8_t *dump_compatibility_tag(uint8_t *p);
260 static void dump_dwarf(struct readelf *re);
261 static void dump_dwarf_abbrev(struct readelf *re);
262 static void dump_dwarf_aranges(struct readelf *re);
263 static void dump_dwarf_block(struct readelf *re, uint8_t *b,
264     Dwarf_Unsigned len);
265 static void dump_dwarf_die(struct readelf *re, Dwarf_Die die, int level);
266 static void dump_dwarf_frame(struct readelf *re, int alt);
267 static void dump_dwarf_frame_inst(struct readelf *re, Dwarf_Cie cie,
268     uint8_t *insts, Dwarf_Unsigned len, Dwarf_Unsigned caf, Dwarf_Signed daf,
269     Dwarf_Addr pc, Dwarf_Debug dbg);
270 static int dump_dwarf_frame_regtable(struct readelf *re, Dwarf_Fde fde,
271     Dwarf_Addr pc, Dwarf_Unsigned func_len, Dwarf_Half cie_ra);
272 static void dump_dwarf_frame_section(struct readelf *re, struct section *s,
273     int alt);
274 static void dump_dwarf_info(struct readelf *re, Dwarf_Bool is_info);
275 static void dump_dwarf_macinfo(struct readelf *re);
276 static void dump_dwarf_line(struct readelf *re);
277 static void dump_dwarf_line_decoded(struct readelf *re);
278 static void dump_dwarf_loc(struct readelf *re, Dwarf_Loc *lr);
279 static void dump_dwarf_loclist(struct readelf *re);
280 static void dump_dwarf_pubnames(struct readelf *re);
281 static void dump_dwarf_ranges(struct readelf *re);
282 static void dump_dwarf_ranges_foreach(struct readelf *re, Dwarf_Die die,
283     Dwarf_Addr base);
284 static void dump_dwarf_str(struct readelf *re);
285 static void dump_eflags(struct readelf *re, uint64_t e_flags);
286 static void dump_elf(struct readelf *re);
287 static void dump_dyn_val(struct readelf *re, GElf_Dyn *dyn, uint32_t stab);
288 static void dump_dynamic(struct readelf *re);
289 static void dump_liblist(struct readelf *re);
290 static void dump_mips_attributes(struct readelf *re, uint8_t *p, uint8_t *pe);
291 static void dump_mips_odk_reginfo(struct readelf *re, uint8_t *p, size_t sz);
292 static void dump_mips_options(struct readelf *re, struct section *s);
293 static void dump_mips_option_flags(const char *name, struct mips_option *opt,
294     uint64_t info);
295 static void dump_mips_reginfo(struct readelf *re, struct section *s);
296 static void dump_mips_specific_info(struct readelf *re);
297 static void dump_notes(struct readelf *re);
298 static void dump_notes_content(struct readelf *re, const char *buf, size_t sz,
299     off_t off);
300 static void dump_svr4_hash(struct section *s);
301 static void dump_svr4_hash64(struct readelf *re, struct section *s);
302 static void dump_gnu_hash(struct readelf *re, struct section *s);
303 static void dump_hash(struct readelf *re);
304 static void dump_phdr(struct readelf *re);
305 static void dump_ppc_attributes(uint8_t *p, uint8_t *pe);
306 static void dump_section_groups(struct readelf *re);
307 static void dump_symtab(struct readelf *re, int i);
308 static void dump_symtabs(struct readelf *re);
309 static uint8_t *dump_unknown_tag(uint64_t tag, uint8_t *p);
310 static void dump_ver(struct readelf *re);
311 static void dump_verdef(struct readelf *re, int dump);
312 static void dump_verneed(struct readelf *re, int dump);
313 static void dump_versym(struct readelf *re);
314 static const char *dwarf_reg(unsigned int mach, unsigned int reg);
315 static const char *dwarf_regname(struct readelf *re, unsigned int num);
316 static struct dumpop *find_dumpop(struct readelf *re, size_t si,
317     const char *sn, int op, int t);
318 static int get_ent_count(struct section *s, int *ent_count);
319 static char *get_regoff_str(struct readelf *re, Dwarf_Half reg,
320     Dwarf_Addr off);
321 static const char *get_string(struct readelf *re, int strtab, size_t off);
322 static const char *get_symbol_name(struct readelf *re, int symtab, int i);
323 static uint64_t get_symbol_value(struct readelf *re, int symtab, int i);
324 static void load_sections(struct readelf *re);
325 static const char *mips_abi_fp(uint64_t fp);
326 static const char *note_type(const char *note_name, unsigned int et,
327     unsigned int nt);
328 static const char *note_type_freebsd(unsigned int nt);
329 static const char *note_type_freebsd_core(unsigned int nt);
330 static const char *note_type_linux_core(unsigned int nt);
331 static const char *note_type_gnu(unsigned int nt);
332 static const char *note_type_netbsd(unsigned int nt);
333 static const char *note_type_openbsd(unsigned int nt);
334 static const char *note_type_unknown(unsigned int nt);
335 static const char *option_kind(uint8_t kind);
336 static const char *phdr_type(unsigned int ptype);
337 static const char *ppc_abi_fp(uint64_t fp);
338 static const char *ppc_abi_vector(uint64_t vec);
339 static const char *r_type(unsigned int mach, unsigned int type);
340 static void readelf_usage(void);
341 static void readelf_version(void);
342 static void search_loclist_at(struct readelf *re, Dwarf_Die die,
343     Dwarf_Unsigned lowpc);
344 static void search_ver(struct readelf *re);
345 static const char *section_type(unsigned int mach, unsigned int stype);
346 static void set_cu_context(struct readelf *re, Dwarf_Half psize,
347     Dwarf_Half osize, Dwarf_Half ver);
348 static const char *st_bind(unsigned int sbind);
349 static const char *st_shndx(unsigned int shndx);
350 static const char *st_type(unsigned int stype);
351 static const char *st_vis(unsigned int svis);
352 static const char *top_tag(unsigned int tag);
353 static void unload_sections(struct readelf *re);
354 static uint64_t _read_lsb(Elf_Data *d, uint64_t *offsetp,
355     int bytes_to_read);
356 static uint64_t _read_msb(Elf_Data *d, uint64_t *offsetp,
357     int bytes_to_read);
358 static uint64_t _decode_lsb(uint8_t **data, int bytes_to_read);
359 static uint64_t _decode_msb(uint8_t **data, int bytes_to_read);
360 static int64_t _decode_sleb128(uint8_t **dp);
361 static uint64_t _decode_uleb128(uint8_t **dp);
362 
363 static struct eflags_desc arm_eflags_desc[] = {
364 	{EF_ARM_RELEXEC, "relocatable executable"},
365 	{EF_ARM_HASENTRY, "has entry point"},
366 	{EF_ARM_SYMSARESORTED, "sorted symbol tables"},
367 	{EF_ARM_DYNSYMSUSESEGIDX, "dynamic symbols use segment index"},
368 	{EF_ARM_MAPSYMSFIRST, "mapping symbols precede others"},
369 	{EF_ARM_BE8, "BE8"},
370 	{EF_ARM_LE8, "LE8"},
371 	{EF_ARM_INTERWORK, "interworking enabled"},
372 	{EF_ARM_APCS_26, "uses APCS/26"},
373 	{EF_ARM_APCS_FLOAT, "uses APCS/float"},
374 	{EF_ARM_PIC, "position independent"},
375 	{EF_ARM_ALIGN8, "8 bit structure alignment"},
376 	{EF_ARM_NEW_ABI, "uses new ABI"},
377 	{EF_ARM_OLD_ABI, "uses old ABI"},
378 	{EF_ARM_SOFT_FLOAT, "software FP"},
379 	{EF_ARM_VFP_FLOAT, "VFP"},
380 	{EF_ARM_MAVERICK_FLOAT, "Maverick FP"},
381 	{0, NULL}
382 };
383 
384 static struct eflags_desc mips_eflags_desc[] = {
385 	{EF_MIPS_NOREORDER, "noreorder"},
386 	{EF_MIPS_PIC, "pic"},
387 	{EF_MIPS_CPIC, "cpic"},
388 	{EF_MIPS_UCODE, "ugen_reserved"},
389 	{EF_MIPS_ABI2, "abi2"},
390 	{EF_MIPS_OPTIONS_FIRST, "odk first"},
391 	{EF_MIPS_ARCH_ASE_MDMX, "mdmx"},
392 	{EF_MIPS_ARCH_ASE_M16, "mips16"},
393 	{0, NULL}
394 };
395 
396 static struct eflags_desc powerpc_eflags_desc[] = {
397 	{EF_PPC_EMB, "emb"},
398 	{EF_PPC_RELOCATABLE, "relocatable"},
399 	{EF_PPC_RELOCATABLE_LIB, "relocatable-lib"},
400 	{0, NULL}
401 };
402 
403 static struct eflags_desc sparc_eflags_desc[] = {
404 	{EF_SPARC_32PLUS, "v8+"},
405 	{EF_SPARC_SUN_US1, "ultrasparcI"},
406 	{EF_SPARC_HAL_R1, "halr1"},
407 	{EF_SPARC_SUN_US3, "ultrasparcIII"},
408 	{0, NULL}
409 };
410 
411 static const char *
412 elf_osabi(unsigned int abi)
413 {
414 	static char s_abi[32];
415 
416 	switch(abi) {
417 	case ELFOSABI_NONE: return "NONE";
418 	case ELFOSABI_HPUX: return "HPUX";
419 	case ELFOSABI_NETBSD: return "NetBSD";
420 	case ELFOSABI_GNU: return "GNU";
421 	case ELFOSABI_HURD: return "HURD";
422 	case ELFOSABI_86OPEN: return "86OPEN";
423 	case ELFOSABI_SOLARIS: return "Solaris";
424 	case ELFOSABI_AIX: return "AIX";
425 	case ELFOSABI_IRIX: return "IRIX";
426 	case ELFOSABI_FREEBSD: return "FreeBSD";
427 	case ELFOSABI_TRU64: return "TRU64";
428 	case ELFOSABI_MODESTO: return "MODESTO";
429 	case ELFOSABI_OPENBSD: return "OpenBSD";
430 	case ELFOSABI_OPENVMS: return "OpenVMS";
431 	case ELFOSABI_NSK: return "NSK";
432 	case ELFOSABI_ARM: return "ARM";
433 	case ELFOSABI_STANDALONE: return "StandAlone";
434 	default:
435 		snprintf(s_abi, sizeof(s_abi), "<unknown: %#x>", abi);
436 		return (s_abi);
437 	}
438 };
439 
440 static const char *
441 elf_machine(unsigned int mach)
442 {
443 	static char s_mach[32];
444 
445 	switch (mach) {
446 	case EM_NONE: return "Unknown machine";
447 	case EM_M32: return "AT&T WE32100";
448 	case EM_SPARC: return "Sun SPARC";
449 	case EM_386: return "Intel i386";
450 	case EM_68K: return "Motorola 68000";
451 	case EM_IAMCU: return "Intel MCU";
452 	case EM_88K: return "Motorola 88000";
453 	case EM_860: return "Intel i860";
454 	case EM_MIPS: return "MIPS R3000 Big-Endian only";
455 	case EM_S370: return "IBM System/370";
456 	case EM_MIPS_RS3_LE: return "MIPS R3000 Little-Endian";
457 	case EM_PARISC: return "HP PA-RISC";
458 	case EM_VPP500: return "Fujitsu VPP500";
459 	case EM_SPARC32PLUS: return "SPARC v8plus";
460 	case EM_960: return "Intel 80960";
461 	case EM_PPC: return "PowerPC 32-bit";
462 	case EM_PPC64: return "PowerPC 64-bit";
463 	case EM_S390: return "IBM System/390";
464 	case EM_V800: return "NEC V800";
465 	case EM_FR20: return "Fujitsu FR20";
466 	case EM_RH32: return "TRW RH-32";
467 	case EM_RCE: return "Motorola RCE";
468 	case EM_ARM: return "ARM";
469 	case EM_SH: return "Hitachi SH";
470 	case EM_SPARCV9: return "SPARC v9 64-bit";
471 	case EM_TRICORE: return "Siemens TriCore embedded processor";
472 	case EM_ARC: return "Argonaut RISC Core";
473 	case EM_H8_300: return "Hitachi H8/300";
474 	case EM_H8_300H: return "Hitachi H8/300H";
475 	case EM_H8S: return "Hitachi H8S";
476 	case EM_H8_500: return "Hitachi H8/500";
477 	case EM_IA_64: return "Intel IA-64 Processor";
478 	case EM_MIPS_X: return "Stanford MIPS-X";
479 	case EM_COLDFIRE: return "Motorola ColdFire";
480 	case EM_68HC12: return "Motorola M68HC12";
481 	case EM_MMA: return "Fujitsu MMA";
482 	case EM_PCP: return "Siemens PCP";
483 	case EM_NCPU: return "Sony nCPU";
484 	case EM_NDR1: return "Denso NDR1 microprocessor";
485 	case EM_STARCORE: return "Motorola Star*Core processor";
486 	case EM_ME16: return "Toyota ME16 processor";
487 	case EM_ST100: return "STMicroelectronics ST100 processor";
488 	case EM_TINYJ: return "Advanced Logic Corp. TinyJ processor";
489 	case EM_X86_64: return "Advanced Micro Devices x86-64";
490 	case EM_PDSP: return "Sony DSP Processor";
491 	case EM_FX66: return "Siemens FX66 microcontroller";
492 	case EM_ST9PLUS: return "STMicroelectronics ST9+ 8/16 microcontroller";
493 	case EM_ST7: return "STmicroelectronics ST7 8-bit microcontroller";
494 	case EM_68HC16: return "Motorola MC68HC16 microcontroller";
495 	case EM_68HC11: return "Motorola MC68HC11 microcontroller";
496 	case EM_68HC08: return "Motorola MC68HC08 microcontroller";
497 	case EM_68HC05: return "Motorola MC68HC05 microcontroller";
498 	case EM_SVX: return "Silicon Graphics SVx";
499 	case EM_ST19: return "STMicroelectronics ST19 8-bit mc";
500 	case EM_VAX: return "Digital VAX";
501 	case EM_CRIS: return "Axis Communications 32-bit embedded processor";
502 	case EM_JAVELIN: return "Infineon Tech. 32bit embedded processor";
503 	case EM_FIREPATH: return "Element 14 64-bit DSP Processor";
504 	case EM_ZSP: return "LSI Logic 16-bit DSP Processor";
505 	case EM_MMIX: return "Donald Knuth's educational 64-bit proc";
506 	case EM_HUANY: return "Harvard University MI object files";
507 	case EM_PRISM: return "SiTera Prism";
508 	case EM_AVR: return "Atmel AVR 8-bit microcontroller";
509 	case EM_FR30: return "Fujitsu FR30";
510 	case EM_D10V: return "Mitsubishi D10V";
511 	case EM_D30V: return "Mitsubishi D30V";
512 	case EM_V850: return "NEC v850";
513 	case EM_M32R: return "Mitsubishi M32R";
514 	case EM_MN10300: return "Matsushita MN10300";
515 	case EM_MN10200: return "Matsushita MN10200";
516 	case EM_PJ: return "picoJava";
517 	case EM_OPENRISC: return "OpenRISC 32-bit embedded processor";
518 	case EM_ARC_A5: return "ARC Cores Tangent-A5";
519 	case EM_XTENSA: return "Tensilica Xtensa Architecture";
520 	case EM_VIDEOCORE: return "Alphamosaic VideoCore processor";
521 	case EM_TMM_GPP: return "Thompson Multimedia General Purpose Processor";
522 	case EM_NS32K: return "National Semiconductor 32000 series";
523 	case EM_TPC: return "Tenor Network TPC processor";
524 	case EM_SNP1K: return "Trebia SNP 1000 processor";
525 	case EM_ST200: return "STMicroelectronics ST200 microcontroller";
526 	case EM_IP2K: return "Ubicom IP2xxx microcontroller family";
527 	case EM_MAX: return "MAX Processor";
528 	case EM_CR: return "National Semiconductor CompactRISC microprocessor";
529 	case EM_F2MC16: return "Fujitsu F2MC16";
530 	case EM_MSP430: return "TI embedded microcontroller msp430";
531 	case EM_BLACKFIN: return "Analog Devices Blackfin (DSP) processor";
532 	case EM_SE_C33: return "S1C33 Family of Seiko Epson processors";
533 	case EM_SEP: return "Sharp embedded microprocessor";
534 	case EM_ARCA: return "Arca RISC Microprocessor";
535 	case EM_UNICORE: return "Microprocessor series from PKU-Unity Ltd";
536 	case EM_AARCH64: return "AArch64";
537 	case EM_RISCV: return "RISC-V";
538 	default:
539 		snprintf(s_mach, sizeof(s_mach), "<unknown: %#x>", mach);
540 		return (s_mach);
541 	}
542 
543 }
544 
545 static const char *
546 elf_class(unsigned int class)
547 {
548 	static char s_class[32];
549 
550 	switch (class) {
551 	case ELFCLASSNONE: return "none";
552 	case ELFCLASS32: return "ELF32";
553 	case ELFCLASS64: return "ELF64";
554 	default:
555 		snprintf(s_class, sizeof(s_class), "<unknown: %#x>", class);
556 		return (s_class);
557 	}
558 }
559 
560 static const char *
561 elf_endian(unsigned int endian)
562 {
563 	static char s_endian[32];
564 
565 	switch (endian) {
566 	case ELFDATANONE: return "none";
567 	case ELFDATA2LSB: return "2's complement, little endian";
568 	case ELFDATA2MSB: return "2's complement, big endian";
569 	default:
570 		snprintf(s_endian, sizeof(s_endian), "<unknown: %#x>", endian);
571 		return (s_endian);
572 	}
573 }
574 
575 static const char *
576 elf_type(unsigned int type)
577 {
578 	static char s_type[32];
579 
580 	switch (type) {
581 	case ET_NONE: return "NONE (None)";
582 	case ET_REL: return "REL (Relocatable file)";
583 	case ET_EXEC: return "EXEC (Executable file)";
584 	case ET_DYN: return "DYN (Shared object file)";
585 	case ET_CORE: return "CORE (Core file)";
586 	default:
587 		if (type >= ET_LOPROC)
588 			snprintf(s_type, sizeof(s_type), "<proc: %#x>", type);
589 		else if (type >= ET_LOOS && type <= ET_HIOS)
590 			snprintf(s_type, sizeof(s_type), "<os: %#x>", type);
591 		else
592 			snprintf(s_type, sizeof(s_type), "<unknown: %#x>",
593 			    type);
594 		return (s_type);
595 	}
596 }
597 
598 static const char *
599 elf_ver(unsigned int ver)
600 {
601 	static char s_ver[32];
602 
603 	switch (ver) {
604 	case EV_CURRENT: return "(current)";
605 	case EV_NONE: return "(none)";
606 	default:
607 		snprintf(s_ver, sizeof(s_ver), "<unknown: %#x>",
608 		    ver);
609 		return (s_ver);
610 	}
611 }
612 
613 static const char *
614 phdr_type(unsigned int ptype)
615 {
616 	static char s_ptype[32];
617 
618 	switch (ptype) {
619 	case PT_NULL: return "NULL";
620 	case PT_LOAD: return "LOAD";
621 	case PT_DYNAMIC: return "DYNAMIC";
622 	case PT_INTERP: return "INTERP";
623 	case PT_NOTE: return "NOTE";
624 	case PT_SHLIB: return "SHLIB";
625 	case PT_PHDR: return "PHDR";
626 	case PT_TLS: return "TLS";
627 	case PT_GNU_EH_FRAME: return "GNU_EH_FRAME";
628 	case PT_GNU_STACK: return "GNU_STACK";
629 	case PT_GNU_RELRO: return "GNU_RELRO";
630 	default:
631 		if (ptype >= PT_LOPROC && ptype <= PT_HIPROC)
632 			snprintf(s_ptype, sizeof(s_ptype), "LOPROC+%#x",
633 			    ptype - PT_LOPROC);
634 		else if (ptype >= PT_LOOS && ptype <= PT_HIOS)
635 			snprintf(s_ptype, sizeof(s_ptype), "LOOS+%#x",
636 			    ptype - PT_LOOS);
637 		else
638 			snprintf(s_ptype, sizeof(s_ptype), "<unknown: %#x>",
639 			    ptype);
640 		return (s_ptype);
641 	}
642 }
643 
644 static const char *
645 section_type(unsigned int mach, unsigned int stype)
646 {
647 	static char s_stype[32];
648 
649 	if (stype >= SHT_LOPROC && stype <= SHT_HIPROC) {
650 		switch (mach) {
651 		case EM_X86_64:
652 			switch (stype) {
653 			case SHT_AMD64_UNWIND: return "AMD64_UNWIND";
654 			default:
655 				break;
656 			}
657 			break;
658 		case EM_MIPS:
659 		case EM_MIPS_RS3_LE:
660 			switch (stype) {
661 			case SHT_MIPS_LIBLIST: return "MIPS_LIBLIST";
662 			case SHT_MIPS_MSYM: return "MIPS_MSYM";
663 			case SHT_MIPS_CONFLICT: return "MIPS_CONFLICT";
664 			case SHT_MIPS_GPTAB: return "MIPS_GPTAB";
665 			case SHT_MIPS_UCODE: return "MIPS_UCODE";
666 			case SHT_MIPS_DEBUG: return "MIPS_DEBUG";
667 			case SHT_MIPS_REGINFO: return "MIPS_REGINFO";
668 			case SHT_MIPS_PACKAGE: return "MIPS_PACKAGE";
669 			case SHT_MIPS_PACKSYM: return "MIPS_PACKSYM";
670 			case SHT_MIPS_RELD: return "MIPS_RELD";
671 			case SHT_MIPS_IFACE: return "MIPS_IFACE";
672 			case SHT_MIPS_CONTENT: return "MIPS_CONTENT";
673 			case SHT_MIPS_OPTIONS: return "MIPS_OPTIONS";
674 			case SHT_MIPS_DELTASYM: return "MIPS_DELTASYM";
675 			case SHT_MIPS_DELTAINST: return "MIPS_DELTAINST";
676 			case SHT_MIPS_DELTACLASS: return "MIPS_DELTACLASS";
677 			case SHT_MIPS_DWARF: return "MIPS_DWARF";
678 			case SHT_MIPS_DELTADECL: return "MIPS_DELTADECL";
679 			case SHT_MIPS_SYMBOL_LIB: return "MIPS_SYMBOL_LIB";
680 			case SHT_MIPS_EVENTS: return "MIPS_EVENTS";
681 			case SHT_MIPS_TRANSLATE: return "MIPS_TRANSLATE";
682 			case SHT_MIPS_PIXIE: return "MIPS_PIXIE";
683 			case SHT_MIPS_XLATE: return "MIPS_XLATE";
684 			case SHT_MIPS_XLATE_DEBUG: return "MIPS_XLATE_DEBUG";
685 			case SHT_MIPS_WHIRL: return "MIPS_WHIRL";
686 			case SHT_MIPS_EH_REGION: return "MIPS_EH_REGION";
687 			case SHT_MIPS_XLATE_OLD: return "MIPS_XLATE_OLD";
688 			case SHT_MIPS_PDR_EXCEPTION: return "MIPS_PDR_EXCEPTION";
689 			default:
690 				break;
691 			}
692 			break;
693 		default:
694 			break;
695 		}
696 
697 		snprintf(s_stype, sizeof(s_stype), "LOPROC+%#x",
698 		    stype - SHT_LOPROC);
699 		return (s_stype);
700 	}
701 
702 	switch (stype) {
703 	case SHT_NULL: return "NULL";
704 	case SHT_PROGBITS: return "PROGBITS";
705 	case SHT_SYMTAB: return "SYMTAB";
706 	case SHT_STRTAB: return "STRTAB";
707 	case SHT_RELA: return "RELA";
708 	case SHT_HASH: return "HASH";
709 	case SHT_DYNAMIC: return "DYNAMIC";
710 	case SHT_NOTE: return "NOTE";
711 	case SHT_NOBITS: return "NOBITS";
712 	case SHT_REL: return "REL";
713 	case SHT_SHLIB: return "SHLIB";
714 	case SHT_DYNSYM: return "DYNSYM";
715 	case SHT_INIT_ARRAY: return "INIT_ARRAY";
716 	case SHT_FINI_ARRAY: return "FINI_ARRAY";
717 	case SHT_PREINIT_ARRAY: return "PREINIT_ARRAY";
718 	case SHT_GROUP: return "GROUP";
719 	case SHT_SYMTAB_SHNDX: return "SYMTAB_SHNDX";
720 	case SHT_SUNW_dof: return "SUNW_dof";
721 	case SHT_SUNW_cap: return "SUNW_cap";
722 	case SHT_GNU_HASH: return "GNU_HASH";
723 	case SHT_SUNW_ANNOTATE: return "SUNW_ANNOTATE";
724 	case SHT_SUNW_DEBUGSTR: return "SUNW_DEBUGSTR";
725 	case SHT_SUNW_DEBUG: return "SUNW_DEBUG";
726 	case SHT_SUNW_move: return "SUNW_move";
727 	case SHT_SUNW_COMDAT: return "SUNW_COMDAT";
728 	case SHT_SUNW_syminfo: return "SUNW_syminfo";
729 	case SHT_SUNW_verdef: return "SUNW_verdef";
730 	case SHT_SUNW_verneed: return "SUNW_verneed";
731 	case SHT_SUNW_versym: return "SUNW_versym";
732 	default:
733 		if (stype >= SHT_LOOS && stype <= SHT_HIOS)
734 			snprintf(s_stype, sizeof(s_stype), "LOOS+%#x",
735 			    stype - SHT_LOOS);
736 		else if (stype >= SHT_LOUSER)
737 			snprintf(s_stype, sizeof(s_stype), "LOUSER+%#x",
738 			    stype - SHT_LOUSER);
739 		else
740 			snprintf(s_stype, sizeof(s_stype), "<unknown: %#x>",
741 			    stype);
742 		return (s_stype);
743 	}
744 }
745 
746 static const char *
747 dt_type(unsigned int mach, unsigned int dtype)
748 {
749 	static char s_dtype[32];
750 
751 	if (dtype >= DT_LOPROC && dtype <= DT_HIPROC) {
752 		switch (mach) {
753 		case EM_ARM:
754 			switch (dtype) {
755 			case DT_ARM_SYMTABSZ:
756 				return "ARM_SYMTABSZ";
757 			default:
758 				break;
759 			}
760 			break;
761 		case EM_MIPS:
762 		case EM_MIPS_RS3_LE:
763 			switch (dtype) {
764 			case DT_MIPS_RLD_VERSION:
765 				return "MIPS_RLD_VERSION";
766 			case DT_MIPS_TIME_STAMP:
767 				return "MIPS_TIME_STAMP";
768 			case DT_MIPS_ICHECKSUM:
769 				return "MIPS_ICHECKSUM";
770 			case DT_MIPS_IVERSION:
771 				return "MIPS_IVERSION";
772 			case DT_MIPS_FLAGS:
773 				return "MIPS_FLAGS";
774 			case DT_MIPS_BASE_ADDRESS:
775 				return "MIPS_BASE_ADDRESS";
776 			case DT_MIPS_CONFLICT:
777 				return "MIPS_CONFLICT";
778 			case DT_MIPS_LIBLIST:
779 				return "MIPS_LIBLIST";
780 			case DT_MIPS_LOCAL_GOTNO:
781 				return "MIPS_LOCAL_GOTNO";
782 			case DT_MIPS_CONFLICTNO:
783 				return "MIPS_CONFLICTNO";
784 			case DT_MIPS_LIBLISTNO:
785 				return "MIPS_LIBLISTNO";
786 			case DT_MIPS_SYMTABNO:
787 				return "MIPS_SYMTABNO";
788 			case DT_MIPS_UNREFEXTNO:
789 				return "MIPS_UNREFEXTNO";
790 			case DT_MIPS_GOTSYM:
791 				return "MIPS_GOTSYM";
792 			case DT_MIPS_HIPAGENO:
793 				return "MIPS_HIPAGENO";
794 			case DT_MIPS_RLD_MAP:
795 				return "MIPS_RLD_MAP";
796 			case DT_MIPS_DELTA_CLASS:
797 				return "MIPS_DELTA_CLASS";
798 			case DT_MIPS_DELTA_CLASS_NO:
799 				return "MIPS_DELTA_CLASS_NO";
800 			case DT_MIPS_DELTA_INSTANCE:
801 				return "MIPS_DELTA_INSTANCE";
802 			case DT_MIPS_DELTA_INSTANCE_NO:
803 				return "MIPS_DELTA_INSTANCE_NO";
804 			case DT_MIPS_DELTA_RELOC:
805 				return "MIPS_DELTA_RELOC";
806 			case DT_MIPS_DELTA_RELOC_NO:
807 				return "MIPS_DELTA_RELOC_NO";
808 			case DT_MIPS_DELTA_SYM:
809 				return "MIPS_DELTA_SYM";
810 			case DT_MIPS_DELTA_SYM_NO:
811 				return "MIPS_DELTA_SYM_NO";
812 			case DT_MIPS_DELTA_CLASSSYM:
813 				return "MIPS_DELTA_CLASSSYM";
814 			case DT_MIPS_DELTA_CLASSSYM_NO:
815 				return "MIPS_DELTA_CLASSSYM_NO";
816 			case DT_MIPS_CXX_FLAGS:
817 				return "MIPS_CXX_FLAGS";
818 			case DT_MIPS_PIXIE_INIT:
819 				return "MIPS_PIXIE_INIT";
820 			case DT_MIPS_SYMBOL_LIB:
821 				return "MIPS_SYMBOL_LIB";
822 			case DT_MIPS_LOCALPAGE_GOTIDX:
823 				return "MIPS_LOCALPAGE_GOTIDX";
824 			case DT_MIPS_LOCAL_GOTIDX:
825 				return "MIPS_LOCAL_GOTIDX";
826 			case DT_MIPS_HIDDEN_GOTIDX:
827 				return "MIPS_HIDDEN_GOTIDX";
828 			case DT_MIPS_PROTECTED_GOTIDX:
829 				return "MIPS_PROTECTED_GOTIDX";
830 			case DT_MIPS_OPTIONS:
831 				return "MIPS_OPTIONS";
832 			case DT_MIPS_INTERFACE:
833 				return "MIPS_INTERFACE";
834 			case DT_MIPS_DYNSTR_ALIGN:
835 				return "MIPS_DYNSTR_ALIGN";
836 			case DT_MIPS_INTERFACE_SIZE:
837 				return "MIPS_INTERFACE_SIZE";
838 			case DT_MIPS_RLD_TEXT_RESOLVE_ADDR:
839 				return "MIPS_RLD_TEXT_RESOLVE_ADDR";
840 			case DT_MIPS_PERF_SUFFIX:
841 				return "MIPS_PERF_SUFFIX";
842 			case DT_MIPS_COMPACT_SIZE:
843 				return "MIPS_COMPACT_SIZE";
844 			case DT_MIPS_GP_VALUE:
845 				return "MIPS_GP_VALUE";
846 			case DT_MIPS_AUX_DYNAMIC:
847 				return "MIPS_AUX_DYNAMIC";
848 			case DT_MIPS_PLTGOT:
849 				return "MIPS_PLTGOT";
850 			case DT_MIPS_RLD_OBJ_UPDATE:
851 				return "MIPS_RLD_OBJ_UPDATE";
852 			case DT_MIPS_RWPLT:
853 				return "MIPS_RWPLT";
854 			default:
855 				break;
856 			}
857 			break;
858 		case EM_SPARC:
859 		case EM_SPARC32PLUS:
860 		case EM_SPARCV9:
861 			switch (dtype) {
862 			case DT_SPARC_REGISTER:
863 				return "DT_SPARC_REGISTER";
864 			default:
865 				break;
866 			}
867 			break;
868 		default:
869 			break;
870 		}
871 		snprintf(s_dtype, sizeof(s_dtype), "<unknown: %#x>", dtype);
872 		return (s_dtype);
873 	}
874 
875 	switch (dtype) {
876 	case DT_NULL: return "NULL";
877 	case DT_NEEDED: return "NEEDED";
878 	case DT_PLTRELSZ: return "PLTRELSZ";
879 	case DT_PLTGOT: return "PLTGOT";
880 	case DT_HASH: return "HASH";
881 	case DT_STRTAB: return "STRTAB";
882 	case DT_SYMTAB: return "SYMTAB";
883 	case DT_RELA: return "RELA";
884 	case DT_RELASZ: return "RELASZ";
885 	case DT_RELAENT: return "RELAENT";
886 	case DT_STRSZ: return "STRSZ";
887 	case DT_SYMENT: return "SYMENT";
888 	case DT_INIT: return "INIT";
889 	case DT_FINI: return "FINI";
890 	case DT_SONAME: return "SONAME";
891 	case DT_RPATH: return "RPATH";
892 	case DT_SYMBOLIC: return "SYMBOLIC";
893 	case DT_REL: return "REL";
894 	case DT_RELSZ: return "RELSZ";
895 	case DT_RELENT: return "RELENT";
896 	case DT_PLTREL: return "PLTREL";
897 	case DT_DEBUG: return "DEBUG";
898 	case DT_TEXTREL: return "TEXTREL";
899 	case DT_JMPREL: return "JMPREL";
900 	case DT_BIND_NOW: return "BIND_NOW";
901 	case DT_INIT_ARRAY: return "INIT_ARRAY";
902 	case DT_FINI_ARRAY: return "FINI_ARRAY";
903 	case DT_INIT_ARRAYSZ: return "INIT_ARRAYSZ";
904 	case DT_FINI_ARRAYSZ: return "FINI_ARRAYSZ";
905 	case DT_RUNPATH: return "RUNPATH";
906 	case DT_FLAGS: return "FLAGS";
907 	case DT_PREINIT_ARRAY: return "PREINIT_ARRAY";
908 	case DT_PREINIT_ARRAYSZ: return "PREINIT_ARRAYSZ";
909 	case DT_MAXPOSTAGS: return "MAXPOSTAGS";
910 	case DT_SUNW_AUXILIARY: return "SUNW_AUXILIARY";
911 	case DT_SUNW_RTLDINF: return "SUNW_RTLDINF";
912 	case DT_SUNW_FILTER: return "SUNW_FILTER";
913 	case DT_SUNW_CAP: return "SUNW_CAP";
914 	case DT_CHECKSUM: return "CHECKSUM";
915 	case DT_PLTPADSZ: return "PLTPADSZ";
916 	case DT_MOVEENT: return "MOVEENT";
917 	case DT_MOVESZ: return "MOVESZ";
918 	case DT_FEATURE: return "FEATURE";
919 	case DT_POSFLAG_1: return "POSFLAG_1";
920 	case DT_SYMINSZ: return "SYMINSZ";
921 	case DT_SYMINENT: return "SYMINENT";
922 	case DT_GNU_HASH: return "GNU_HASH";
923 	case DT_GNU_CONFLICT: return "GNU_CONFLICT";
924 	case DT_GNU_LIBLIST: return "GNU_LIBLIST";
925 	case DT_CONFIG: return "CONFIG";
926 	case DT_DEPAUDIT: return "DEPAUDIT";
927 	case DT_AUDIT: return "AUDIT";
928 	case DT_PLTPAD: return "PLTPAD";
929 	case DT_MOVETAB: return "MOVETAB";
930 	case DT_SYMINFO: return "SYMINFO";
931 	case DT_VERSYM: return "VERSYM";
932 	case DT_RELACOUNT: return "RELACOUNT";
933 	case DT_RELCOUNT: return "RELCOUNT";
934 	case DT_FLAGS_1: return "FLAGS_1";
935 	case DT_VERDEF: return "VERDEF";
936 	case DT_VERDEFNUM: return "VERDEFNUM";
937 	case DT_VERNEED: return "VERNEED";
938 	case DT_VERNEEDNUM: return "VERNEEDNUM";
939 	case DT_AUXILIARY: return "AUXILIARY";
940 	case DT_USED: return "USED";
941 	case DT_FILTER: return "FILTER";
942 	case DT_GNU_PRELINKED: return "GNU_PRELINKED";
943 	case DT_GNU_CONFLICTSZ: return "GNU_CONFLICTSZ";
944 	case DT_GNU_LIBLISTSZ: return "GNU_LIBLISTSZ";
945 	default:
946 		snprintf(s_dtype, sizeof(s_dtype), "<unknown: %#x>", dtype);
947 		return (s_dtype);
948 	}
949 }
950 
951 static const char *
952 st_bind(unsigned int sbind)
953 {
954 	static char s_sbind[32];
955 
956 	switch (sbind) {
957 	case STB_LOCAL: return "LOCAL";
958 	case STB_GLOBAL: return "GLOBAL";
959 	case STB_WEAK: return "WEAK";
960 	default:
961 		if (sbind >= STB_LOOS && sbind <= STB_HIOS)
962 			return "OS";
963 		else if (sbind >= STB_LOPROC && sbind <= STB_HIPROC)
964 			return "PROC";
965 		else
966 			snprintf(s_sbind, sizeof(s_sbind), "<unknown: %#x>",
967 			    sbind);
968 		return (s_sbind);
969 	}
970 }
971 
972 static const char *
973 st_type(unsigned int stype)
974 {
975 	static char s_stype[32];
976 
977 	switch (stype) {
978 	case STT_NOTYPE: return "NOTYPE";
979 	case STT_OBJECT: return "OBJECT";
980 	case STT_FUNC: return "FUNC";
981 	case STT_SECTION: return "SECTION";
982 	case STT_FILE: return "FILE";
983 	case STT_COMMON: return "COMMON";
984 	case STT_TLS: return "TLS";
985 	default:
986 		if (stype >= STT_LOOS && stype <= STT_HIOS)
987 			snprintf(s_stype, sizeof(s_stype), "OS+%#x",
988 			    stype - STT_LOOS);
989 		else if (stype >= STT_LOPROC && stype <= STT_HIPROC)
990 			snprintf(s_stype, sizeof(s_stype), "PROC+%#x",
991 			    stype - STT_LOPROC);
992 		else
993 			snprintf(s_stype, sizeof(s_stype), "<unknown: %#x>",
994 			    stype);
995 		return (s_stype);
996 	}
997 }
998 
999 static const char *
1000 st_vis(unsigned int svis)
1001 {
1002 	static char s_svis[32];
1003 
1004 	switch(svis) {
1005 	case STV_DEFAULT: return "DEFAULT";
1006 	case STV_INTERNAL: return "INTERNAL";
1007 	case STV_HIDDEN: return "HIDDEN";
1008 	case STV_PROTECTED: return "PROTECTED";
1009 	default:
1010 		snprintf(s_svis, sizeof(s_svis), "<unknown: %#x>", svis);
1011 		return (s_svis);
1012 	}
1013 }
1014 
1015 static const char *
1016 st_shndx(unsigned int shndx)
1017 {
1018 	static char s_shndx[32];
1019 
1020 	switch (shndx) {
1021 	case SHN_UNDEF: return "UND";
1022 	case SHN_ABS: return "ABS";
1023 	case SHN_COMMON: return "COM";
1024 	default:
1025 		if (shndx >= SHN_LOPROC && shndx <= SHN_HIPROC)
1026 			return "PRC";
1027 		else if (shndx >= SHN_LOOS && shndx <= SHN_HIOS)
1028 			return "OS";
1029 		else
1030 			snprintf(s_shndx, sizeof(s_shndx), "%u", shndx);
1031 		return (s_shndx);
1032 	}
1033 }
1034 
1035 static struct {
1036 	const char *ln;
1037 	char sn;
1038 	int value;
1039 } section_flag[] = {
1040 	{"WRITE", 'W', SHF_WRITE},
1041 	{"ALLOC", 'A', SHF_ALLOC},
1042 	{"EXEC", 'X', SHF_EXECINSTR},
1043 	{"MERGE", 'M', SHF_MERGE},
1044 	{"STRINGS", 'S', SHF_STRINGS},
1045 	{"INFO LINK", 'I', SHF_INFO_LINK},
1046 	{"OS NONCONF", 'O', SHF_OS_NONCONFORMING},
1047 	{"GROUP", 'G', SHF_GROUP},
1048 	{"TLS", 'T', SHF_TLS},
1049 	{NULL, 0, 0}
1050 };
1051 
1052 static const char *
1053 r_type(unsigned int mach, unsigned int type)
1054 {
1055 	switch(mach) {
1056 	case EM_NONE: return "";
1057 	case EM_386:
1058 	case EM_IAMCU:
1059 		switch(type) {
1060 		case 0: return "R_386_NONE";
1061 		case 1: return "R_386_32";
1062 		case 2: return "R_386_PC32";
1063 		case 3: return "R_386_GOT32";
1064 		case 4: return "R_386_PLT32";
1065 		case 5: return "R_386_COPY";
1066 		case 6: return "R_386_GLOB_DAT";
1067 		case 7: return "R_386_JMP_SLOT";
1068 		case 8: return "R_386_RELATIVE";
1069 		case 9: return "R_386_GOTOFF";
1070 		case 10: return "R_386_GOTPC";
1071 		case 14: return "R_386_TLS_TPOFF";
1072 		case 15: return "R_386_TLS_IE";
1073 		case 16: return "R_386_TLS_GOTIE";
1074 		case 17: return "R_386_TLS_LE";
1075 		case 18: return "R_386_TLS_GD";
1076 		case 19: return "R_386_TLS_LDM";
1077 		case 24: return "R_386_TLS_GD_32";
1078 		case 25: return "R_386_TLS_GD_PUSH";
1079 		case 26: return "R_386_TLS_GD_CALL";
1080 		case 27: return "R_386_TLS_GD_POP";
1081 		case 28: return "R_386_TLS_LDM_32";
1082 		case 29: return "R_386_TLS_LDM_PUSH";
1083 		case 30: return "R_386_TLS_LDM_CALL";
1084 		case 31: return "R_386_TLS_LDM_POP";
1085 		case 32: return "R_386_TLS_LDO_32";
1086 		case 33: return "R_386_TLS_IE_32";
1087 		case 34: return "R_386_TLS_LE_32";
1088 		case 35: return "R_386_TLS_DTPMOD32";
1089 		case 36: return "R_386_TLS_DTPOFF32";
1090 		case 37: return "R_386_TLS_TPOFF32";
1091 		default: return "";
1092 		}
1093 	case EM_AARCH64:
1094 		switch(type) {
1095 		case 0: return "R_AARCH64_NONE";
1096 		case 257: return "R_AARCH64_ABS64";
1097 		case 258: return "R_AARCH64_ABS32";
1098 		case 259: return "R_AARCH64_ABS16";
1099 		case 260: return "R_AARCH64_PREL64";
1100 		case 261: return "R_AARCH64_PREL32";
1101 		case 262: return "R_AARCH64_PREL16";
1102 		case 263: return "R_AARCH64_MOVW_UABS_G0";
1103 		case 264: return "R_AARCH64_MOVW_UABS_G0_NC";
1104 		case 265: return "R_AARCH64_MOVW_UABS_G1";
1105 		case 266: return "R_AARCH64_MOVW_UABS_G1_NC";
1106 		case 267: return "R_AARCH64_MOVW_UABS_G2";
1107 		case 268: return "R_AARCH64_MOVW_UABS_G2_NC";
1108 		case 269: return "R_AARCH64_MOVW_UABS_G3";
1109 		case 270: return "R_AARCH64_MOVW_SABS_G0";
1110 		case 271: return "R_AARCH64_MOVW_SABS_G1";
1111 		case 272: return "R_AARCH64_MOVW_SABS_G2";
1112 		case 273: return "R_AARCH64_LD_PREL_LO19";
1113 		case 274: return "R_AARCH64_ADR_PREL_LO21";
1114 		case 275: return "R_AARCH64_ADR_PREL_PG_HI21";
1115 		case 276: return "R_AARCH64_ADR_PREL_PG_HI21_NC";
1116 		case 277: return "R_AARCH64_ADD_ABS_LO12_NC";
1117 		case 278: return "R_AARCH64_LDST8_ABS_LO12_NC";
1118 		case 279: return "R_AARCH64_TSTBR14";
1119 		case 280: return "R_AARCH64_CONDBR19";
1120 		case 282: return "R_AARCH64_JUMP26";
1121 		case 283: return "R_AARCH64_CALL26";
1122 		case 284: return "R_AARCH64_LDST16_ABS_LO12_NC";
1123 		case 285: return "R_AARCH64_LDST32_ABS_LO12_NC";
1124 		case 286: return "R_AARCH64_LDST64_ABS_LO12_NC";
1125 		case 287: return "R_AARCH64_MOVW_PREL_G0";
1126 		case 288: return "R_AARCH64_MOVW_PREL_G0_NC";
1127 		case 289: return "R_AARCH64_MOVW_PREL_G1";
1128 		case 290: return "R_AARCH64_MOVW_PREL_G1_NC";
1129 		case 291: return "R_AARCH64_MOVW_PREL_G2";
1130 		case 292: return "R_AARCH64_MOVW_PREL_G2_NC";
1131 		case 293: return "R_AARCH64_MOVW_PREL_G3";
1132 		case 299: return "R_AARCH64_LDST128_ABS_LO12_NC";
1133 		case 300: return "R_AARCH64_MOVW_GOTOFF_G0";
1134 		case 301: return "R_AARCH64_MOVW_GOTOFF_G0_NC";
1135 		case 302: return "R_AARCH64_MOVW_GOTOFF_G1";
1136 		case 303: return "R_AARCH64_MOVW_GOTOFF_G1_NC";
1137 		case 304: return "R_AARCH64_MOVW_GOTOFF_G2";
1138 		case 305: return "R_AARCH64_MOVW_GOTOFF_G2_NC";
1139 		case 306: return "R_AARCH64_MOVW_GOTOFF_G3";
1140 		case 307: return "R_AARCH64_GOTREL64";
1141 		case 308: return "R_AARCH64_GOTREL32";
1142 		case 309: return "R_AARCH64_GOT_LD_PREL19";
1143 		case 310: return "R_AARCH64_LD64_GOTOFF_LO15";
1144 		case 311: return "R_AARCH64_ADR_GOT_PAGE";
1145 		case 312: return "R_AARCH64_LD64_GOT_LO12_NC";
1146 		case 313: return "R_AARCH64_LD64_GOTPAGE_LO15";
1147 		case 1024: return "R_AARCH64_COPY";
1148 		case 1025: return "R_AARCH64_GLOB_DAT";
1149 		case 1026: return "R_AARCH64_JUMP_SLOT";
1150 		case 1027: return "R_AARCH64_RELATIVE";
1151 		case 1028: return "R_AARCH64_TLS_DTPREL64";
1152 		case 1029: return "R_AARCH64_TLS_DTPMOD64";
1153 		case 1030: return "R_AARCH64_TLS_TPREL64";
1154 		case 1031: return "R_AARCH64_TLSDESC";
1155 		case 1032: return "R_AARCH64_IRELATIVE";
1156 		default: return "";
1157 		}
1158 	case EM_ARM:
1159 		switch(type) {
1160 		case 0: return "R_ARM_NONE";
1161 		case 1: return "R_ARM_PC24";
1162 		case 2: return "R_ARM_ABS32";
1163 		case 3: return "R_ARM_REL32";
1164 		case 4: return "R_ARM_PC13";
1165 		case 5: return "R_ARM_ABS16";
1166 		case 6: return "R_ARM_ABS12";
1167 		case 7: return "R_ARM_THM_ABS5";
1168 		case 8: return "R_ARM_ABS8";
1169 		case 9: return "R_ARM_SBREL32";
1170 		case 10: return "R_ARM_THM_PC22";
1171 		case 11: return "R_ARM_THM_PC8";
1172 		case 12: return "R_ARM_AMP_VCALL9";
1173 		case 13: return "R_ARM_SWI24";
1174 		case 14: return "R_ARM_THM_SWI8";
1175 		case 15: return "R_ARM_XPC25";
1176 		case 16: return "R_ARM_THM_XPC22";
1177 		case 20: return "R_ARM_COPY";
1178 		case 21: return "R_ARM_GLOB_DAT";
1179 		case 22: return "R_ARM_JUMP_SLOT";
1180 		case 23: return "R_ARM_RELATIVE";
1181 		case 24: return "R_ARM_GOTOFF";
1182 		case 25: return "R_ARM_GOTPC";
1183 		case 26: return "R_ARM_GOT32";
1184 		case 27: return "R_ARM_PLT32";
1185 		case 100: return "R_ARM_GNU_VTENTRY";
1186 		case 101: return "R_ARM_GNU_VTINHERIT";
1187 		case 250: return "R_ARM_RSBREL32";
1188 		case 251: return "R_ARM_THM_RPC22";
1189 		case 252: return "R_ARM_RREL32";
1190 		case 253: return "R_ARM_RABS32";
1191 		case 254: return "R_ARM_RPC24";
1192 		case 255: return "R_ARM_RBASE";
1193 		default: return "";
1194 		}
1195 	case EM_IA_64:
1196 		switch(type) {
1197 		case 0: return "R_IA_64_NONE";
1198 		case 33: return "R_IA_64_IMM14";
1199 		case 34: return "R_IA_64_IMM22";
1200 		case 35: return "R_IA_64_IMM64";
1201 		case 36: return "R_IA_64_DIR32MSB";
1202 		case 37: return "R_IA_64_DIR32LSB";
1203 		case 38: return "R_IA_64_DIR64MSB";
1204 		case 39: return "R_IA_64_DIR64LSB";
1205 		case 42: return "R_IA_64_GPREL22";
1206 		case 43: return "R_IA_64_GPREL64I";
1207 		case 44: return "R_IA_64_GPREL32MSB";
1208 		case 45: return "R_IA_64_GPREL32LSB";
1209 		case 46: return "R_IA_64_GPREL64MSB";
1210 		case 47: return "R_IA_64_GPREL64LSB";
1211 		case 50: return "R_IA_64_LTOFF22";
1212 		case 51: return "R_IA_64_LTOFF64I";
1213 		case 58: return "R_IA_64_PLTOFF22";
1214 		case 59: return "R_IA_64_PLTOFF64I";
1215 		case 62: return "R_IA_64_PLTOFF64MSB";
1216 		case 63: return "R_IA_64_PLTOFF64LSB";
1217 		case 67: return "R_IA_64_FPTR64I";
1218 		case 68: return "R_IA_64_FPTR32MSB";
1219 		case 69: return "R_IA_64_FPTR32LSB";
1220 		case 70: return "R_IA_64_FPTR64MSB";
1221 		case 71: return "R_IA_64_FPTR64LSB";
1222 		case 72: return "R_IA_64_PCREL60B";
1223 		case 73: return "R_IA_64_PCREL21B";
1224 		case 74: return "R_IA_64_PCREL21M";
1225 		case 75: return "R_IA_64_PCREL21F";
1226 		case 76: return "R_IA_64_PCREL32MSB";
1227 		case 77: return "R_IA_64_PCREL32LSB";
1228 		case 78: return "R_IA_64_PCREL64MSB";
1229 		case 79: return "R_IA_64_PCREL64LSB";
1230 		case 82: return "R_IA_64_LTOFF_FPTR22";
1231 		case 83: return "R_IA_64_LTOFF_FPTR64I";
1232 		case 84: return "R_IA_64_LTOFF_FPTR32MSB";
1233 		case 85: return "R_IA_64_LTOFF_FPTR32LSB";
1234 		case 86: return "R_IA_64_LTOFF_FPTR64MSB";
1235 		case 87: return "R_IA_64_LTOFF_FPTR64LSB";
1236 		case 92: return "R_IA_64_SEGREL32MSB";
1237 		case 93: return "R_IA_64_SEGREL32LSB";
1238 		case 94: return "R_IA_64_SEGREL64MSB";
1239 		case 95: return "R_IA_64_SEGREL64LSB";
1240 		case 100: return "R_IA_64_SECREL32MSB";
1241 		case 101: return "R_IA_64_SECREL32LSB";
1242 		case 102: return "R_IA_64_SECREL64MSB";
1243 		case 103: return "R_IA_64_SECREL64LSB";
1244 		case 108: return "R_IA_64_REL32MSB";
1245 		case 109: return "R_IA_64_REL32LSB";
1246 		case 110: return "R_IA_64_REL64MSB";
1247 		case 111: return "R_IA_64_REL64LSB";
1248 		case 116: return "R_IA_64_LTV32MSB";
1249 		case 117: return "R_IA_64_LTV32LSB";
1250 		case 118: return "R_IA_64_LTV64MSB";
1251 		case 119: return "R_IA_64_LTV64LSB";
1252 		case 121: return "R_IA_64_PCREL21BI";
1253 		case 122: return "R_IA_64_PCREL22";
1254 		case 123: return "R_IA_64_PCREL64I";
1255 		case 128: return "R_IA_64_IPLTMSB";
1256 		case 129: return "R_IA_64_IPLTLSB";
1257 		case 133: return "R_IA_64_SUB";
1258 		case 134: return "R_IA_64_LTOFF22X";
1259 		case 135: return "R_IA_64_LDXMOV";
1260 		case 145: return "R_IA_64_TPREL14";
1261 		case 146: return "R_IA_64_TPREL22";
1262 		case 147: return "R_IA_64_TPREL64I";
1263 		case 150: return "R_IA_64_TPREL64MSB";
1264 		case 151: return "R_IA_64_TPREL64LSB";
1265 		case 154: return "R_IA_64_LTOFF_TPREL22";
1266 		case 166: return "R_IA_64_DTPMOD64MSB";
1267 		case 167: return "R_IA_64_DTPMOD64LSB";
1268 		case 170: return "R_IA_64_LTOFF_DTPMOD22";
1269 		case 177: return "R_IA_64_DTPREL14";
1270 		case 178: return "R_IA_64_DTPREL22";
1271 		case 179: return "R_IA_64_DTPREL64I";
1272 		case 180: return "R_IA_64_DTPREL32MSB";
1273 		case 181: return "R_IA_64_DTPREL32LSB";
1274 		case 182: return "R_IA_64_DTPREL64MSB";
1275 		case 183: return "R_IA_64_DTPREL64LSB";
1276 		case 186: return "R_IA_64_LTOFF_DTPREL22";
1277 		default: return "";
1278 		}
1279 	case EM_MIPS:
1280 		switch(type) {
1281 		case 0: return "R_MIPS_NONE";
1282 		case 1: return "R_MIPS_16";
1283 		case 2: return "R_MIPS_32";
1284 		case 3: return "R_MIPS_REL32";
1285 		case 4: return "R_MIPS_26";
1286 		case 5: return "R_MIPS_HI16";
1287 		case 6: return "R_MIPS_LO16";
1288 		case 7: return "R_MIPS_GPREL16";
1289 		case 8: return "R_MIPS_LITERAL";
1290 		case 9: return "R_MIPS_GOT16";
1291 		case 10: return "R_MIPS_PC16";
1292 		case 11: return "R_MIPS_CALL16";
1293 		case 12: return "R_MIPS_GPREL32";
1294 		case 21: return "R_MIPS_GOTHI16";
1295 		case 22: return "R_MIPS_GOTLO16";
1296 		case 30: return "R_MIPS_CALLHI16";
1297 		case 31: return "R_MIPS_CALLLO16";
1298 		default: return "";
1299 		}
1300 	case EM_PPC:
1301 		switch(type) {
1302 		case 0: return "R_PPC_NONE";
1303 		case 1: return "R_PPC_ADDR32";
1304 		case 2: return "R_PPC_ADDR24";
1305 		case 3: return "R_PPC_ADDR16";
1306 		case 4: return "R_PPC_ADDR16_LO";
1307 		case 5: return "R_PPC_ADDR16_HI";
1308 		case 6: return "R_PPC_ADDR16_HA";
1309 		case 7: return "R_PPC_ADDR14";
1310 		case 8: return "R_PPC_ADDR14_BRTAKEN";
1311 		case 9: return "R_PPC_ADDR14_BRNTAKEN";
1312 		case 10: return "R_PPC_REL24";
1313 		case 11: return "R_PPC_REL14";
1314 		case 12: return "R_PPC_REL14_BRTAKEN";
1315 		case 13: return "R_PPC_REL14_BRNTAKEN";
1316 		case 14: return "R_PPC_GOT16";
1317 		case 15: return "R_PPC_GOT16_LO";
1318 		case 16: return "R_PPC_GOT16_HI";
1319 		case 17: return "R_PPC_GOT16_HA";
1320 		case 18: return "R_PPC_PLTREL24";
1321 		case 19: return "R_PPC_COPY";
1322 		case 20: return "R_PPC_GLOB_DAT";
1323 		case 21: return "R_PPC_JMP_SLOT";
1324 		case 22: return "R_PPC_RELATIVE";
1325 		case 23: return "R_PPC_LOCAL24PC";
1326 		case 24: return "R_PPC_UADDR32";
1327 		case 25: return "R_PPC_UADDR16";
1328 		case 26: return "R_PPC_REL32";
1329 		case 27: return "R_PPC_PLT32";
1330 		case 28: return "R_PPC_PLTREL32";
1331 		case 29: return "R_PPC_PLT16_LO";
1332 		case 30: return "R_PPC_PLT16_HI";
1333 		case 31: return "R_PPC_PLT16_HA";
1334 		case 32: return "R_PPC_SDAREL16";
1335 		case 33: return "R_PPC_SECTOFF";
1336 		case 34: return "R_PPC_SECTOFF_LO";
1337 		case 35: return "R_PPC_SECTOFF_HI";
1338 		case 36: return "R_PPC_SECTOFF_HA";
1339 		case 67: return "R_PPC_TLS";
1340 		case 68: return "R_PPC_DTPMOD32";
1341 		case 69: return "R_PPC_TPREL16";
1342 		case 70: return "R_PPC_TPREL16_LO";
1343 		case 71: return "R_PPC_TPREL16_HI";
1344 		case 72: return "R_PPC_TPREL16_HA";
1345 		case 73: return "R_PPC_TPREL32";
1346 		case 74: return "R_PPC_DTPREL16";
1347 		case 75: return "R_PPC_DTPREL16_LO";
1348 		case 76: return "R_PPC_DTPREL16_HI";
1349 		case 77: return "R_PPC_DTPREL16_HA";
1350 		case 78: return "R_PPC_DTPREL32";
1351 		case 79: return "R_PPC_GOT_TLSGD16";
1352 		case 80: return "R_PPC_GOT_TLSGD16_LO";
1353 		case 81: return "R_PPC_GOT_TLSGD16_HI";
1354 		case 82: return "R_PPC_GOT_TLSGD16_HA";
1355 		case 83: return "R_PPC_GOT_TLSLD16";
1356 		case 84: return "R_PPC_GOT_TLSLD16_LO";
1357 		case 85: return "R_PPC_GOT_TLSLD16_HI";
1358 		case 86: return "R_PPC_GOT_TLSLD16_HA";
1359 		case 87: return "R_PPC_GOT_TPREL16";
1360 		case 88: return "R_PPC_GOT_TPREL16_LO";
1361 		case 89: return "R_PPC_GOT_TPREL16_HI";
1362 		case 90: return "R_PPC_GOT_TPREL16_HA";
1363 		case 101: return "R_PPC_EMB_NADDR32";
1364 		case 102: return "R_PPC_EMB_NADDR16";
1365 		case 103: return "R_PPC_EMB_NADDR16_LO";
1366 		case 104: return "R_PPC_EMB_NADDR16_HI";
1367 		case 105: return "R_PPC_EMB_NADDR16_HA";
1368 		case 106: return "R_PPC_EMB_SDAI16";
1369 		case 107: return "R_PPC_EMB_SDA2I16";
1370 		case 108: return "R_PPC_EMB_SDA2REL";
1371 		case 109: return "R_PPC_EMB_SDA21";
1372 		case 110: return "R_PPC_EMB_MRKREF";
1373 		case 111: return "R_PPC_EMB_RELSEC16";
1374 		case 112: return "R_PPC_EMB_RELST_LO";
1375 		case 113: return "R_PPC_EMB_RELST_HI";
1376 		case 114: return "R_PPC_EMB_RELST_HA";
1377 		case 115: return "R_PPC_EMB_BIT_FLD";
1378 		case 116: return "R_PPC_EMB_RELSDA";
1379 		default: return "";
1380 		}
1381 	case EM_SPARC:
1382 	case EM_SPARCV9:
1383 		switch(type) {
1384 		case 0: return "R_SPARC_NONE";
1385 		case 1: return "R_SPARC_8";
1386 		case 2: return "R_SPARC_16";
1387 		case 3: return "R_SPARC_32";
1388 		case 4: return "R_SPARC_DISP8";
1389 		case 5: return "R_SPARC_DISP16";
1390 		case 6: return "R_SPARC_DISP32";
1391 		case 7: return "R_SPARC_WDISP30";
1392 		case 8: return "R_SPARC_WDISP22";
1393 		case 9: return "R_SPARC_HI22";
1394 		case 10: return "R_SPARC_22";
1395 		case 11: return "R_SPARC_13";
1396 		case 12: return "R_SPARC_LO10";
1397 		case 13: return "R_SPARC_GOT10";
1398 		case 14: return "R_SPARC_GOT13";
1399 		case 15: return "R_SPARC_GOT22";
1400 		case 16: return "R_SPARC_PC10";
1401 		case 17: return "R_SPARC_PC22";
1402 		case 18: return "R_SPARC_WPLT30";
1403 		case 19: return "R_SPARC_COPY";
1404 		case 20: return "R_SPARC_GLOB_DAT";
1405 		case 21: return "R_SPARC_JMP_SLOT";
1406 		case 22: return "R_SPARC_RELATIVE";
1407 		case 23: return "R_SPARC_UA32";
1408 		case 24: return "R_SPARC_PLT32";
1409 		case 25: return "R_SPARC_HIPLT22";
1410 		case 26: return "R_SPARC_LOPLT10";
1411 		case 27: return "R_SPARC_PCPLT32";
1412 		case 28: return "R_SPARC_PCPLT22";
1413 		case 29: return "R_SPARC_PCPLT10";
1414 		case 30: return "R_SPARC_10";
1415 		case 31: return "R_SPARC_11";
1416 		case 32: return "R_SPARC_64";
1417 		case 33: return "R_SPARC_OLO10";
1418 		case 34: return "R_SPARC_HH22";
1419 		case 35: return "R_SPARC_HM10";
1420 		case 36: return "R_SPARC_LM22";
1421 		case 37: return "R_SPARC_PC_HH22";
1422 		case 38: return "R_SPARC_PC_HM10";
1423 		case 39: return "R_SPARC_PC_LM22";
1424 		case 40: return "R_SPARC_WDISP16";
1425 		case 41: return "R_SPARC_WDISP19";
1426 		case 42: return "R_SPARC_GLOB_JMP";
1427 		case 43: return "R_SPARC_7";
1428 		case 44: return "R_SPARC_5";
1429 		case 45: return "R_SPARC_6";
1430 		case 46: return "R_SPARC_DISP64";
1431 		case 47: return "R_SPARC_PLT64";
1432 		case 48: return "R_SPARC_HIX22";
1433 		case 49: return "R_SPARC_LOX10";
1434 		case 50: return "R_SPARC_H44";
1435 		case 51: return "R_SPARC_M44";
1436 		case 52: return "R_SPARC_L44";
1437 		case 53: return "R_SPARC_REGISTER";
1438 		case 54: return "R_SPARC_UA64";
1439 		case 55: return "R_SPARC_UA16";
1440 		case 56: return "R_SPARC_TLS_GD_HI22";
1441 		case 57: return "R_SPARC_TLS_GD_LO10";
1442 		case 58: return "R_SPARC_TLS_GD_ADD";
1443 		case 59: return "R_SPARC_TLS_GD_CALL";
1444 		case 60: return "R_SPARC_TLS_LDM_HI22";
1445 		case 61: return "R_SPARC_TLS_LDM_LO10";
1446 		case 62: return "R_SPARC_TLS_LDM_ADD";
1447 		case 63: return "R_SPARC_TLS_LDM_CALL";
1448 		case 64: return "R_SPARC_TLS_LDO_HIX22";
1449 		case 65: return "R_SPARC_TLS_LDO_LOX10";
1450 		case 66: return "R_SPARC_TLS_LDO_ADD";
1451 		case 67: return "R_SPARC_TLS_IE_HI22";
1452 		case 68: return "R_SPARC_TLS_IE_LO10";
1453 		case 69: return "R_SPARC_TLS_IE_LD";
1454 		case 70: return "R_SPARC_TLS_IE_LDX";
1455 		case 71: return "R_SPARC_TLS_IE_ADD";
1456 		case 72: return "R_SPARC_TLS_LE_HIX22";
1457 		case 73: return "R_SPARC_TLS_LE_LOX10";
1458 		case 74: return "R_SPARC_TLS_DTPMOD32";
1459 		case 75: return "R_SPARC_TLS_DTPMOD64";
1460 		case 76: return "R_SPARC_TLS_DTPOFF32";
1461 		case 77: return "R_SPARC_TLS_DTPOFF64";
1462 		case 78: return "R_SPARC_TLS_TPOFF32";
1463 		case 79: return "R_SPARC_TLS_TPOFF64";
1464 		default: return "";
1465 		}
1466 	case EM_X86_64:
1467 		switch(type) {
1468 		case 0: return "R_X86_64_NONE";
1469 		case 1: return "R_X86_64_64";
1470 		case 2: return "R_X86_64_PC32";
1471 		case 3: return "R_X86_64_GOT32";
1472 		case 4: return "R_X86_64_PLT32";
1473 		case 5: return "R_X86_64_COPY";
1474 		case 6: return "R_X86_64_GLOB_DAT";
1475 		case 7: return "R_X86_64_JMP_SLOT";
1476 		case 8: return "R_X86_64_RELATIVE";
1477 		case 9: return "R_X86_64_GOTPCREL";
1478 		case 10: return "R_X86_64_32";
1479 		case 11: return "R_X86_64_32S";
1480 		case 12: return "R_X86_64_16";
1481 		case 13: return "R_X86_64_PC16";
1482 		case 14: return "R_X86_64_8";
1483 		case 15: return "R_X86_64_PC8";
1484 		case 16: return "R_X86_64_DTPMOD64";
1485 		case 17: return "R_X86_64_DTPOFF64";
1486 		case 18: return "R_X86_64_TPOFF64";
1487 		case 19: return "R_X86_64_TLSGD";
1488 		case 20: return "R_X86_64_TLSLD";
1489 		case 21: return "R_X86_64_DTPOFF32";
1490 		case 22: return "R_X86_64_GOTTPOFF";
1491 		case 23: return "R_X86_64_TPOFF32";
1492 		case 24: return "R_X86_64_PC64";
1493 		case 25: return "R_X86_64_GOTOFF64";
1494 		case 26: return "R_X86_64_GOTPC32";
1495 		case 27: return "R_X86_64_GOT64";
1496 		case 28: return "R_X86_64_GOTPCREL64";
1497 		case 29: return "R_X86_64_GOTPC64";
1498 		case 30: return "R_X86_64_GOTPLT64";
1499 		case 31: return "R_X86_64_PLTOFF64";
1500 		case 32: return "R_X86_64_SIZE32";
1501 		case 33: return "R_X86_64_SIZE64";
1502 		case 34: return "R_X86_64_GOTPC32_TLSDESC";
1503 		case 35: return "R_X86_64_TLSDESC_CALL";
1504 		case 36: return "R_X86_64_TLSDESC";
1505 		case 37: return "R_X86_64_IRELATIVE";
1506 		default: return "";
1507 		}
1508 	default: return "";
1509 	}
1510 }
1511 
1512 static const char *
1513 note_type(const char *name, unsigned int et, unsigned int nt)
1514 {
1515 	if ((strcmp(name, "CORE") == 0 || strcmp(name, "LINUX") == 0) &&
1516 	    et == ET_CORE)
1517 		return note_type_linux_core(nt);
1518 	else if (strcmp(name, "FreeBSD") == 0)
1519 		if (et == ET_CORE)
1520 			return note_type_freebsd_core(nt);
1521 		else
1522 			return note_type_freebsd(nt);
1523 	else if (strcmp(name, "GNU") == 0 && et != ET_CORE)
1524 		return note_type_gnu(nt);
1525 	else if (strcmp(name, "NetBSD") == 0 && et != ET_CORE)
1526 		return note_type_netbsd(nt);
1527 	else if (strcmp(name, "OpenBSD") == 0 && et != ET_CORE)
1528 		return note_type_openbsd(nt);
1529 	return note_type_unknown(nt);
1530 }
1531 
1532 static const char *
1533 note_type_freebsd(unsigned int nt)
1534 {
1535 	switch (nt) {
1536 	case 1: return "NT_FREEBSD_ABI_TAG";
1537 	case 2: return "NT_FREEBSD_NOINIT_TAG";
1538 	case 3: return "NT_FREEBSD_ARCH_TAG";
1539 	default: return (note_type_unknown(nt));
1540 	}
1541 }
1542 
1543 static const char *
1544 note_type_freebsd_core(unsigned int nt)
1545 {
1546 	switch (nt) {
1547 	case 1: return "NT_PRSTATUS";
1548 	case 2: return "NT_FPREGSET";
1549 	case 3: return "NT_PRPSINFO";
1550 	case 7: return "NT_THRMISC";
1551 	case 8: return "NT_PROCSTAT_PROC";
1552 	case 9: return "NT_PROCSTAT_FILES";
1553 	case 10: return "NT_PROCSTAT_VMMAP";
1554 	case 11: return "NT_PROCSTAT_GROUPS";
1555 	case 12: return "NT_PROCSTAT_UMASK";
1556 	case 13: return "NT_PROCSTAT_RLIMIT";
1557 	case 14: return "NT_PROCSTAT_OSREL";
1558 	case 15: return "NT_PROCSTAT_PSSTRINGS";
1559 	case 16: return "NT_PROCSTAT_AUXV";
1560 	case 0x202: return "NT_X86_XSTATE (x86 XSAVE extended state)";
1561 	default: return (note_type_unknown(nt));
1562 	}
1563 }
1564 
1565 static const char *
1566 note_type_linux_core(unsigned int nt)
1567 {
1568 	switch (nt) {
1569 	case 1: return "NT_PRSTATUS (Process status)";
1570 	case 2: return "NT_FPREGSET (Floating point information)";
1571 	case 3: return "NT_PRPSINFO (Process information)";
1572 	case 4: return "NT_TASKSTRUCT (Task structure)";
1573 	case 6: return "NT_AUXV (Auxiliary vector)";
1574 	case 10: return "NT_PSTATUS (Linux process status)";
1575 	case 12: return "NT_FPREGS (Linux floating point regset)";
1576 	case 13: return "NT_PSINFO (Linux process information)";
1577 	case 16: return "NT_LWPSTATUS (Linux lwpstatus_t type)";
1578 	case 17: return "NT_LWPSINFO (Linux lwpinfo_t type)";
1579 	case 18: return "NT_WIN32PSTATUS (win32_pstatus structure)";
1580 	case 0x100: return "NT_PPC_VMX (ppc Altivec registers)";
1581 	case 0x102: return "NT_PPC_VSX (ppc VSX registers)";
1582 	case 0x202: return "NT_X86_XSTATE (x86 XSAVE extended state)";
1583 	case 0x300: return "NT_S390_HIGH_GPRS (s390 upper register halves)";
1584 	case 0x301: return "NT_S390_TIMER (s390 timer register)";
1585 	case 0x302: return "NT_S390_TODCMP (s390 TOD comparator register)";
1586 	case 0x303: return "NT_S390_TODPREG (s390 TOD programmable register)";
1587 	case 0x304: return "NT_S390_CTRS (s390 control registers)";
1588 	case 0x305: return "NT_S390_PREFIX (s390 prefix register)";
1589 	case 0x400: return "NT_ARM_VFP (arm VFP registers)";
1590 	case 0x46494c45UL: return "NT_FILE (mapped files)";
1591 	case 0x46E62B7FUL: return "NT_PRXFPREG (Linux user_xfpregs structure)";
1592 	case 0x53494749UL: return "NT_SIGINFO (siginfo_t data)";
1593 	default: return (note_type_unknown(nt));
1594 	}
1595 }
1596 
1597 static const char *
1598 note_type_gnu(unsigned int nt)
1599 {
1600 	switch (nt) {
1601 	case 1: return "NT_GNU_ABI_TAG";
1602 	case 2: return "NT_GNU_HWCAP (Hardware capabilities)";
1603 	case 3: return "NT_GNU_BUILD_ID (Build id set by ld(1))";
1604 	case 4: return "NT_GNU_GOLD_VERSION (GNU gold version)";
1605 	default: return (note_type_unknown(nt));
1606 	}
1607 }
1608 
1609 static const char *
1610 note_type_netbsd(unsigned int nt)
1611 {
1612 	switch (nt) {
1613 	case 1: return "NT_NETBSD_IDENT";
1614 	default: return (note_type_unknown(nt));
1615 	}
1616 }
1617 
1618 static const char *
1619 note_type_openbsd(unsigned int nt)
1620 {
1621 	switch (nt) {
1622 	case 1: return "NT_OPENBSD_IDENT";
1623 	default: return (note_type_unknown(nt));
1624 	}
1625 }
1626 
1627 static const char *
1628 note_type_unknown(unsigned int nt)
1629 {
1630 	static char s_nt[32];
1631 
1632 	snprintf(s_nt, sizeof(s_nt),
1633 	    nt >= 0x100 ? "<unknown: 0x%x>" : "<unknown: %u>", nt);
1634 	return (s_nt);
1635 }
1636 
1637 static struct {
1638 	const char *name;
1639 	int value;
1640 } l_flag[] = {
1641 	{"EXACT_MATCH", LL_EXACT_MATCH},
1642 	{"IGNORE_INT_VER", LL_IGNORE_INT_VER},
1643 	{"REQUIRE_MINOR", LL_REQUIRE_MINOR},
1644 	{"EXPORTS", LL_EXPORTS},
1645 	{"DELAY_LOAD", LL_DELAY_LOAD},
1646 	{"DELTA", LL_DELTA},
1647 	{NULL, 0}
1648 };
1649 
1650 static struct mips_option mips_exceptions_option[] = {
1651 	{OEX_PAGE0, "PAGE0"},
1652 	{OEX_SMM, "SMM"},
1653 	{OEX_PRECISEFP, "PRECISEFP"},
1654 	{OEX_DISMISS, "DISMISS"},
1655 	{0, NULL}
1656 };
1657 
1658 static struct mips_option mips_pad_option[] = {
1659 	{OPAD_PREFIX, "PREFIX"},
1660 	{OPAD_POSTFIX, "POSTFIX"},
1661 	{OPAD_SYMBOL, "SYMBOL"},
1662 	{0, NULL}
1663 };
1664 
1665 static struct mips_option mips_hwpatch_option[] = {
1666 	{OHW_R4KEOP, "R4KEOP"},
1667 	{OHW_R8KPFETCH, "R8KPFETCH"},
1668 	{OHW_R5KEOP, "R5KEOP"},
1669 	{OHW_R5KCVTL, "R5KCVTL"},
1670 	{0, NULL}
1671 };
1672 
1673 static struct mips_option mips_hwa_option[] = {
1674 	{OHWA0_R4KEOP_CHECKED, "R4KEOP_CHECKED"},
1675 	{OHWA0_R4KEOP_CLEAN, "R4KEOP_CLEAN"},
1676 	{0, NULL}
1677 };
1678 
1679 static struct mips_option mips_hwo_option[] = {
1680 	{OHWO0_FIXADE, "FIXADE"},
1681 	{0, NULL}
1682 };
1683 
1684 static const char *
1685 option_kind(uint8_t kind)
1686 {
1687 	static char s_kind[32];
1688 
1689 	switch (kind) {
1690 	case ODK_NULL: return "NULL";
1691 	case ODK_REGINFO: return "REGINFO";
1692 	case ODK_EXCEPTIONS: return "EXCEPTIONS";
1693 	case ODK_PAD: return "PAD";
1694 	case ODK_HWPATCH: return "HWPATCH";
1695 	case ODK_FILL: return "FILL";
1696 	case ODK_TAGS: return "TAGS";
1697 	case ODK_HWAND: return "HWAND";
1698 	case ODK_HWOR: return "HWOR";
1699 	case ODK_GP_GROUP: return "GP_GROUP";
1700 	case ODK_IDENT: return "IDENT";
1701 	default:
1702 		snprintf(s_kind, sizeof(s_kind), "<unknown: %u>", kind);
1703 		return (s_kind);
1704 	}
1705 }
1706 
1707 static const char *
1708 top_tag(unsigned int tag)
1709 {
1710 	static char s_top_tag[32];
1711 
1712 	switch (tag) {
1713 	case 1: return "File Attributes";
1714 	case 2: return "Section Attributes";
1715 	case 3: return "Symbol Attributes";
1716 	default:
1717 		snprintf(s_top_tag, sizeof(s_top_tag), "Unknown tag: %u", tag);
1718 		return (s_top_tag);
1719 	}
1720 }
1721 
1722 static const char *
1723 aeabi_cpu_arch(uint64_t arch)
1724 {
1725 	static char s_cpu_arch[32];
1726 
1727 	switch (arch) {
1728 	case 0: return "Pre-V4";
1729 	case 1: return "ARM v4";
1730 	case 2: return "ARM v4T";
1731 	case 3: return "ARM v5T";
1732 	case 4: return "ARM v5TE";
1733 	case 5: return "ARM v5TEJ";
1734 	case 6: return "ARM v6";
1735 	case 7: return "ARM v6KZ";
1736 	case 8: return "ARM v6T2";
1737 	case 9: return "ARM v6K";
1738 	case 10: return "ARM v7";
1739 	case 11: return "ARM v6-M";
1740 	case 12: return "ARM v6S-M";
1741 	case 13: return "ARM v7E-M";
1742 	default:
1743 		snprintf(s_cpu_arch, sizeof(s_cpu_arch),
1744 		    "Unknown (%ju)", (uintmax_t) arch);
1745 		return (s_cpu_arch);
1746 	}
1747 }
1748 
1749 static const char *
1750 aeabi_cpu_arch_profile(uint64_t pf)
1751 {
1752 	static char s_arch_profile[32];
1753 
1754 	switch (pf) {
1755 	case 0:
1756 		return "Not applicable";
1757 	case 0x41:		/* 'A' */
1758 		return "Application Profile";
1759 	case 0x52:		/* 'R' */
1760 		return "Real-Time Profile";
1761 	case 0x4D:		/* 'M' */
1762 		return "Microcontroller Profile";
1763 	case 0x53:		/* 'S' */
1764 		return "Application or Real-Time Profile";
1765 	default:
1766 		snprintf(s_arch_profile, sizeof(s_arch_profile),
1767 		    "Unknown (%ju)\n", (uintmax_t) pf);
1768 		return (s_arch_profile);
1769 	}
1770 }
1771 
1772 static const char *
1773 aeabi_arm_isa(uint64_t ai)
1774 {
1775 	static char s_ai[32];
1776 
1777 	switch (ai) {
1778 	case 0: return "No";
1779 	case 1: return "Yes";
1780 	default:
1781 		snprintf(s_ai, sizeof(s_ai), "Unknown (%ju)\n",
1782 		    (uintmax_t) ai);
1783 		return (s_ai);
1784 	}
1785 }
1786 
1787 static const char *
1788 aeabi_thumb_isa(uint64_t ti)
1789 {
1790 	static char s_ti[32];
1791 
1792 	switch (ti) {
1793 	case 0: return "No";
1794 	case 1: return "16-bit Thumb";
1795 	case 2: return "32-bit Thumb";
1796 	default:
1797 		snprintf(s_ti, sizeof(s_ti), "Unknown (%ju)\n",
1798 		    (uintmax_t) ti);
1799 		return (s_ti);
1800 	}
1801 }
1802 
1803 static const char *
1804 aeabi_fp_arch(uint64_t fp)
1805 {
1806 	static char s_fp_arch[32];
1807 
1808 	switch (fp) {
1809 	case 0: return "No";
1810 	case 1: return "VFPv1";
1811 	case 2: return "VFPv2";
1812 	case 3: return "VFPv3";
1813 	case 4: return "VFPv3-D16";
1814 	case 5: return "VFPv4";
1815 	case 6: return "VFPv4-D16";
1816 	default:
1817 		snprintf(s_fp_arch, sizeof(s_fp_arch), "Unknown (%ju)",
1818 		    (uintmax_t) fp);
1819 		return (s_fp_arch);
1820 	}
1821 }
1822 
1823 static const char *
1824 aeabi_wmmx_arch(uint64_t wmmx)
1825 {
1826 	static char s_wmmx[32];
1827 
1828 	switch (wmmx) {
1829 	case 0: return "No";
1830 	case 1: return "WMMXv1";
1831 	case 2: return "WMMXv2";
1832 	default:
1833 		snprintf(s_wmmx, sizeof(s_wmmx), "Unknown (%ju)",
1834 		    (uintmax_t) wmmx);
1835 		return (s_wmmx);
1836 	}
1837 }
1838 
1839 static const char *
1840 aeabi_adv_simd_arch(uint64_t simd)
1841 {
1842 	static char s_simd[32];
1843 
1844 	switch (simd) {
1845 	case 0: return "No";
1846 	case 1: return "NEONv1";
1847 	case 2: return "NEONv2";
1848 	default:
1849 		snprintf(s_simd, sizeof(s_simd), "Unknown (%ju)",
1850 		    (uintmax_t) simd);
1851 		return (s_simd);
1852 	}
1853 }
1854 
1855 static const char *
1856 aeabi_pcs_config(uint64_t pcs)
1857 {
1858 	static char s_pcs[32];
1859 
1860 	switch (pcs) {
1861 	case 0: return "None";
1862 	case 1: return "Bare platform";
1863 	case 2: return "Linux";
1864 	case 3: return "Linux DSO";
1865 	case 4: return "Palm OS 2004";
1866 	case 5: return "Palm OS (future)";
1867 	case 6: return "Symbian OS 2004";
1868 	case 7: return "Symbian OS (future)";
1869 	default:
1870 		snprintf(s_pcs, sizeof(s_pcs), "Unknown (%ju)",
1871 		    (uintmax_t) pcs);
1872 		return (s_pcs);
1873 	}
1874 }
1875 
1876 static const char *
1877 aeabi_pcs_r9(uint64_t r9)
1878 {
1879 	static char s_r9[32];
1880 
1881 	switch (r9) {
1882 	case 0: return "V6";
1883 	case 1: return "SB";
1884 	case 2: return "TLS pointer";
1885 	case 3: return "Unused";
1886 	default:
1887 		snprintf(s_r9, sizeof(s_r9), "Unknown (%ju)", (uintmax_t) r9);
1888 		return (s_r9);
1889 	}
1890 }
1891 
1892 static const char *
1893 aeabi_pcs_rw(uint64_t rw)
1894 {
1895 	static char s_rw[32];
1896 
1897 	switch (rw) {
1898 	case 0: return "Absolute";
1899 	case 1: return "PC-relative";
1900 	case 2: return "SB-relative";
1901 	case 3: return "None";
1902 	default:
1903 		snprintf(s_rw, sizeof(s_rw), "Unknown (%ju)", (uintmax_t) rw);
1904 		return (s_rw);
1905 	}
1906 }
1907 
1908 static const char *
1909 aeabi_pcs_ro(uint64_t ro)
1910 {
1911 	static char s_ro[32];
1912 
1913 	switch (ro) {
1914 	case 0: return "Absolute";
1915 	case 1: return "PC-relative";
1916 	case 2: return "None";
1917 	default:
1918 		snprintf(s_ro, sizeof(s_ro), "Unknown (%ju)", (uintmax_t) ro);
1919 		return (s_ro);
1920 	}
1921 }
1922 
1923 static const char *
1924 aeabi_pcs_got(uint64_t got)
1925 {
1926 	static char s_got[32];
1927 
1928 	switch (got) {
1929 	case 0: return "None";
1930 	case 1: return "direct";
1931 	case 2: return "indirect via GOT";
1932 	default:
1933 		snprintf(s_got, sizeof(s_got), "Unknown (%ju)",
1934 		    (uintmax_t) got);
1935 		return (s_got);
1936 	}
1937 }
1938 
1939 static const char *
1940 aeabi_pcs_wchar_t(uint64_t wt)
1941 {
1942 	static char s_wt[32];
1943 
1944 	switch (wt) {
1945 	case 0: return "None";
1946 	case 2: return "wchar_t size 2";
1947 	case 4: return "wchar_t size 4";
1948 	default:
1949 		snprintf(s_wt, sizeof(s_wt), "Unknown (%ju)", (uintmax_t) wt);
1950 		return (s_wt);
1951 	}
1952 }
1953 
1954 static const char *
1955 aeabi_enum_size(uint64_t es)
1956 {
1957 	static char s_es[32];
1958 
1959 	switch (es) {
1960 	case 0: return "None";
1961 	case 1: return "smallest";
1962 	case 2: return "32-bit";
1963 	case 3: return "visible 32-bit";
1964 	default:
1965 		snprintf(s_es, sizeof(s_es), "Unknown (%ju)", (uintmax_t) es);
1966 		return (s_es);
1967 	}
1968 }
1969 
1970 static const char *
1971 aeabi_align_needed(uint64_t an)
1972 {
1973 	static char s_align_n[64];
1974 
1975 	switch (an) {
1976 	case 0: return "No";
1977 	case 1: return "8-byte align";
1978 	case 2: return "4-byte align";
1979 	case 3: return "Reserved";
1980 	default:
1981 		if (an >= 4 && an <= 12)
1982 			snprintf(s_align_n, sizeof(s_align_n), "8-byte align"
1983 			    " and up to 2^%ju-byte extended align",
1984 			    (uintmax_t) an);
1985 		else
1986 			snprintf(s_align_n, sizeof(s_align_n), "Unknown (%ju)",
1987 			    (uintmax_t) an);
1988 		return (s_align_n);
1989 	}
1990 }
1991 
1992 static const char *
1993 aeabi_align_preserved(uint64_t ap)
1994 {
1995 	static char s_align_p[128];
1996 
1997 	switch (ap) {
1998 	case 0: return "No";
1999 	case 1: return "8-byte align";
2000 	case 2: return "8-byte align and SP % 8 == 0";
2001 	case 3: return "Reserved";
2002 	default:
2003 		if (ap >= 4 && ap <= 12)
2004 			snprintf(s_align_p, sizeof(s_align_p), "8-byte align"
2005 			    " and SP %% 8 == 0 and up to 2^%ju-byte extended"
2006 			    " align", (uintmax_t) ap);
2007 		else
2008 			snprintf(s_align_p, sizeof(s_align_p), "Unknown (%ju)",
2009 			    (uintmax_t) ap);
2010 		return (s_align_p);
2011 	}
2012 }
2013 
2014 static const char *
2015 aeabi_fp_rounding(uint64_t fr)
2016 {
2017 	static char s_fp_r[32];
2018 
2019 	switch (fr) {
2020 	case 0: return "Unused";
2021 	case 1: return "Needed";
2022 	default:
2023 		snprintf(s_fp_r, sizeof(s_fp_r), "Unknown (%ju)",
2024 		    (uintmax_t) fr);
2025 		return (s_fp_r);
2026 	}
2027 }
2028 
2029 static const char *
2030 aeabi_fp_denormal(uint64_t fd)
2031 {
2032 	static char s_fp_d[32];
2033 
2034 	switch (fd) {
2035 	case 0: return "Unused";
2036 	case 1: return "Needed";
2037 	case 2: return "Sign Only";
2038 	default:
2039 		snprintf(s_fp_d, sizeof(s_fp_d), "Unknown (%ju)",
2040 		    (uintmax_t) fd);
2041 		return (s_fp_d);
2042 	}
2043 }
2044 
2045 static const char *
2046 aeabi_fp_exceptions(uint64_t fe)
2047 {
2048 	static char s_fp_e[32];
2049 
2050 	switch (fe) {
2051 	case 0: return "Unused";
2052 	case 1: return "Needed";
2053 	default:
2054 		snprintf(s_fp_e, sizeof(s_fp_e), "Unknown (%ju)",
2055 		    (uintmax_t) fe);
2056 		return (s_fp_e);
2057 	}
2058 }
2059 
2060 static const char *
2061 aeabi_fp_user_exceptions(uint64_t fu)
2062 {
2063 	static char s_fp_u[32];
2064 
2065 	switch (fu) {
2066 	case 0: return "Unused";
2067 	case 1: return "Needed";
2068 	default:
2069 		snprintf(s_fp_u, sizeof(s_fp_u), "Unknown (%ju)",
2070 		    (uintmax_t) fu);
2071 		return (s_fp_u);
2072 	}
2073 }
2074 
2075 static const char *
2076 aeabi_fp_number_model(uint64_t fn)
2077 {
2078 	static char s_fp_n[32];
2079 
2080 	switch (fn) {
2081 	case 0: return "Unused";
2082 	case 1: return "IEEE 754 normal";
2083 	case 2: return "RTABI";
2084 	case 3: return "IEEE 754";
2085 	default:
2086 		snprintf(s_fp_n, sizeof(s_fp_n), "Unknown (%ju)",
2087 		    (uintmax_t) fn);
2088 		return (s_fp_n);
2089 	}
2090 }
2091 
2092 static const char *
2093 aeabi_fp_16bit_format(uint64_t fp16)
2094 {
2095 	static char s_fp_16[64];
2096 
2097 	switch (fp16) {
2098 	case 0: return "None";
2099 	case 1: return "IEEE 754";
2100 	case 2: return "VFPv3/Advanced SIMD (alternative format)";
2101 	default:
2102 		snprintf(s_fp_16, sizeof(s_fp_16), "Unknown (%ju)",
2103 		    (uintmax_t) fp16);
2104 		return (s_fp_16);
2105 	}
2106 }
2107 
2108 static const char *
2109 aeabi_mpext(uint64_t mp)
2110 {
2111 	static char s_mp[32];
2112 
2113 	switch (mp) {
2114 	case 0: return "Not allowed";
2115 	case 1: return "Allowed";
2116 	default:
2117 		snprintf(s_mp, sizeof(s_mp), "Unknown (%ju)",
2118 		    (uintmax_t) mp);
2119 		return (s_mp);
2120 	}
2121 }
2122 
2123 static const char *
2124 aeabi_div(uint64_t du)
2125 {
2126 	static char s_du[32];
2127 
2128 	switch (du) {
2129 	case 0: return "Yes (V7-R/V7-M)";
2130 	case 1: return "No";
2131 	case 2: return "Yes (V7-A)";
2132 	default:
2133 		snprintf(s_du, sizeof(s_du), "Unknown (%ju)",
2134 		    (uintmax_t) du);
2135 		return (s_du);
2136 	}
2137 }
2138 
2139 static const char *
2140 aeabi_t2ee(uint64_t t2ee)
2141 {
2142 	static char s_t2ee[32];
2143 
2144 	switch (t2ee) {
2145 	case 0: return "Not allowed";
2146 	case 1: return "Allowed";
2147 	default:
2148 		snprintf(s_t2ee, sizeof(s_t2ee), "Unknown(%ju)",
2149 		    (uintmax_t) t2ee);
2150 		return (s_t2ee);
2151 	}
2152 
2153 }
2154 
2155 static const char *
2156 aeabi_hardfp(uint64_t hfp)
2157 {
2158 	static char s_hfp[32];
2159 
2160 	switch (hfp) {
2161 	case 0: return "Tag_FP_arch";
2162 	case 1: return "only SP";
2163 	case 2: return "only DP";
2164 	case 3: return "both SP and DP";
2165 	default:
2166 		snprintf(s_hfp, sizeof(s_hfp), "Unknown (%ju)",
2167 		    (uintmax_t) hfp);
2168 		return (s_hfp);
2169 	}
2170 }
2171 
2172 static const char *
2173 aeabi_vfp_args(uint64_t va)
2174 {
2175 	static char s_va[32];
2176 
2177 	switch (va) {
2178 	case 0: return "AAPCS (base variant)";
2179 	case 1: return "AAPCS (VFP variant)";
2180 	case 2: return "toolchain-specific";
2181 	default:
2182 		snprintf(s_va, sizeof(s_va), "Unknown (%ju)", (uintmax_t) va);
2183 		return (s_va);
2184 	}
2185 }
2186 
2187 static const char *
2188 aeabi_wmmx_args(uint64_t wa)
2189 {
2190 	static char s_wa[32];
2191 
2192 	switch (wa) {
2193 	case 0: return "AAPCS (base variant)";
2194 	case 1: return "Intel WMMX";
2195 	case 2: return "toolchain-specific";
2196 	default:
2197 		snprintf(s_wa, sizeof(s_wa), "Unknown(%ju)", (uintmax_t) wa);
2198 		return (s_wa);
2199 	}
2200 }
2201 
2202 static const char *
2203 aeabi_unaligned_access(uint64_t ua)
2204 {
2205 	static char s_ua[32];
2206 
2207 	switch (ua) {
2208 	case 0: return "Not allowed";
2209 	case 1: return "Allowed";
2210 	default:
2211 		snprintf(s_ua, sizeof(s_ua), "Unknown(%ju)", (uintmax_t) ua);
2212 		return (s_ua);
2213 	}
2214 }
2215 
2216 static const char *
2217 aeabi_fp_hpext(uint64_t fh)
2218 {
2219 	static char s_fh[32];
2220 
2221 	switch (fh) {
2222 	case 0: return "Not allowed";
2223 	case 1: return "Allowed";
2224 	default:
2225 		snprintf(s_fh, sizeof(s_fh), "Unknown(%ju)", (uintmax_t) fh);
2226 		return (s_fh);
2227 	}
2228 }
2229 
2230 static const char *
2231 aeabi_optm_goal(uint64_t og)
2232 {
2233 	static char s_og[32];
2234 
2235 	switch (og) {
2236 	case 0: return "None";
2237 	case 1: return "Speed";
2238 	case 2: return "Speed aggressive";
2239 	case 3: return "Space";
2240 	case 4: return "Space aggressive";
2241 	case 5: return "Debugging";
2242 	case 6: return "Best Debugging";
2243 	default:
2244 		snprintf(s_og, sizeof(s_og), "Unknown(%ju)", (uintmax_t) og);
2245 		return (s_og);
2246 	}
2247 }
2248 
2249 static const char *
2250 aeabi_fp_optm_goal(uint64_t fog)
2251 {
2252 	static char s_fog[32];
2253 
2254 	switch (fog) {
2255 	case 0: return "None";
2256 	case 1: return "Speed";
2257 	case 2: return "Speed aggressive";
2258 	case 3: return "Space";
2259 	case 4: return "Space aggressive";
2260 	case 5: return "Accurary";
2261 	case 6: return "Best Accurary";
2262 	default:
2263 		snprintf(s_fog, sizeof(s_fog), "Unknown(%ju)",
2264 		    (uintmax_t) fog);
2265 		return (s_fog);
2266 	}
2267 }
2268 
2269 static const char *
2270 aeabi_virtual(uint64_t vt)
2271 {
2272 	static char s_virtual[64];
2273 
2274 	switch (vt) {
2275 	case 0: return "No";
2276 	case 1: return "TrustZone";
2277 	case 2: return "Virtualization extension";
2278 	case 3: return "TrustZone and virtualization extension";
2279 	default:
2280 		snprintf(s_virtual, sizeof(s_virtual), "Unknown(%ju)",
2281 		    (uintmax_t) vt);
2282 		return (s_virtual);
2283 	}
2284 }
2285 
2286 static struct {
2287 	uint64_t tag;
2288 	const char *s_tag;
2289 	const char *(*get_desc)(uint64_t val);
2290 } aeabi_tags[] = {
2291 	{4, "Tag_CPU_raw_name", NULL},
2292 	{5, "Tag_CPU_name", NULL},
2293 	{6, "Tag_CPU_arch", aeabi_cpu_arch},
2294 	{7, "Tag_CPU_arch_profile", aeabi_cpu_arch_profile},
2295 	{8, "Tag_ARM_ISA_use", aeabi_arm_isa},
2296 	{9, "Tag_THUMB_ISA_use", aeabi_thumb_isa},
2297 	{10, "Tag_FP_arch", aeabi_fp_arch},
2298 	{11, "Tag_WMMX_arch", aeabi_wmmx_arch},
2299 	{12, "Tag_Advanced_SIMD_arch", aeabi_adv_simd_arch},
2300 	{13, "Tag_PCS_config", aeabi_pcs_config},
2301 	{14, "Tag_ABI_PCS_R9_use", aeabi_pcs_r9},
2302 	{15, "Tag_ABI_PCS_RW_data", aeabi_pcs_rw},
2303 	{16, "Tag_ABI_PCS_RO_data", aeabi_pcs_ro},
2304 	{17, "Tag_ABI_PCS_GOT_use", aeabi_pcs_got},
2305 	{18, "Tag_ABI_PCS_wchar_t", aeabi_pcs_wchar_t},
2306 	{19, "Tag_ABI_FP_rounding", aeabi_fp_rounding},
2307 	{20, "Tag_ABI_FP_denormal", aeabi_fp_denormal},
2308 	{21, "Tag_ABI_FP_exceptions", aeabi_fp_exceptions},
2309 	{22, "Tag_ABI_FP_user_exceptions", aeabi_fp_user_exceptions},
2310 	{23, "Tag_ABI_FP_number_model", aeabi_fp_number_model},
2311 	{24, "Tag_ABI_align_needed", aeabi_align_needed},
2312 	{25, "Tag_ABI_align_preserved", aeabi_align_preserved},
2313 	{26, "Tag_ABI_enum_size", aeabi_enum_size},
2314 	{27, "Tag_ABI_HardFP_use", aeabi_hardfp},
2315 	{28, "Tag_ABI_VFP_args", aeabi_vfp_args},
2316 	{29, "Tag_ABI_WMMX_args", aeabi_wmmx_args},
2317 	{30, "Tag_ABI_optimization_goals", aeabi_optm_goal},
2318 	{31, "Tag_ABI_FP_optimization_goals", aeabi_fp_optm_goal},
2319 	{32, "Tag_compatibility", NULL},
2320 	{34, "Tag_CPU_unaligned_access", aeabi_unaligned_access},
2321 	{36, "Tag_FP_HP_extension", aeabi_fp_hpext},
2322 	{38, "Tag_ABI_FP_16bit_format", aeabi_fp_16bit_format},
2323 	{42, "Tag_MPextension_use", aeabi_mpext},
2324 	{44, "Tag_DIV_use", aeabi_div},
2325 	{64, "Tag_nodefaults", NULL},
2326 	{65, "Tag_also_compatible_with", NULL},
2327 	{66, "Tag_T2EE_use", aeabi_t2ee},
2328 	{67, "Tag_conformance", NULL},
2329 	{68, "Tag_Virtualization_use", aeabi_virtual},
2330 	{70, "Tag_MPextension_use", aeabi_mpext},
2331 };
2332 
2333 static const char *
2334 mips_abi_fp(uint64_t fp)
2335 {
2336 	static char s_mips_abi_fp[64];
2337 
2338 	switch (fp) {
2339 	case 0: return "N/A";
2340 	case 1: return "Hard float (double precision)";
2341 	case 2: return "Hard float (single precision)";
2342 	case 3: return "Soft float";
2343 	case 4: return "64-bit float (-mips32r2 -mfp64)";
2344 	default:
2345 		snprintf(s_mips_abi_fp, sizeof(s_mips_abi_fp), "Unknown(%ju)",
2346 		    (uintmax_t) fp);
2347 		return (s_mips_abi_fp);
2348 	}
2349 }
2350 
2351 static const char *
2352 ppc_abi_fp(uint64_t fp)
2353 {
2354 	static char s_ppc_abi_fp[64];
2355 
2356 	switch (fp) {
2357 	case 0: return "N/A";
2358 	case 1: return "Hard float (double precision)";
2359 	case 2: return "Soft float";
2360 	case 3: return "Hard float (single precision)";
2361 	default:
2362 		snprintf(s_ppc_abi_fp, sizeof(s_ppc_abi_fp), "Unknown(%ju)",
2363 		    (uintmax_t) fp);
2364 		return (s_ppc_abi_fp);
2365 	}
2366 }
2367 
2368 static const char *
2369 ppc_abi_vector(uint64_t vec)
2370 {
2371 	static char s_vec[64];
2372 
2373 	switch (vec) {
2374 	case 0: return "N/A";
2375 	case 1: return "Generic purpose registers";
2376 	case 2: return "AltiVec registers";
2377 	case 3: return "SPE registers";
2378 	default:
2379 		snprintf(s_vec, sizeof(s_vec), "Unknown(%ju)", (uintmax_t) vec);
2380 		return (s_vec);
2381 	}
2382 }
2383 
2384 static const char *
2385 dwarf_reg(unsigned int mach, unsigned int reg)
2386 {
2387 
2388 	switch (mach) {
2389 	case EM_386:
2390 	case EM_IAMCU:
2391 		switch (reg) {
2392 		case 0: return "eax";
2393 		case 1: return "ecx";
2394 		case 2: return "edx";
2395 		case 3: return "ebx";
2396 		case 4: return "esp";
2397 		case 5: return "ebp";
2398 		case 6: return "esi";
2399 		case 7: return "edi";
2400 		case 8: return "eip";
2401 		case 9: return "eflags";
2402 		case 11: return "st0";
2403 		case 12: return "st1";
2404 		case 13: return "st2";
2405 		case 14: return "st3";
2406 		case 15: return "st4";
2407 		case 16: return "st5";
2408 		case 17: return "st6";
2409 		case 18: return "st7";
2410 		case 21: return "xmm0";
2411 		case 22: return "xmm1";
2412 		case 23: return "xmm2";
2413 		case 24: return "xmm3";
2414 		case 25: return "xmm4";
2415 		case 26: return "xmm5";
2416 		case 27: return "xmm6";
2417 		case 28: return "xmm7";
2418 		case 29: return "mm0";
2419 		case 30: return "mm1";
2420 		case 31: return "mm2";
2421 		case 32: return "mm3";
2422 		case 33: return "mm4";
2423 		case 34: return "mm5";
2424 		case 35: return "mm6";
2425 		case 36: return "mm7";
2426 		case 37: return "fcw";
2427 		case 38: return "fsw";
2428 		case 39: return "mxcsr";
2429 		case 40: return "es";
2430 		case 41: return "cs";
2431 		case 42: return "ss";
2432 		case 43: return "ds";
2433 		case 44: return "fs";
2434 		case 45: return "gs";
2435 		case 48: return "tr";
2436 		case 49: return "ldtr";
2437 		default: return (NULL);
2438 		}
2439 	case EM_X86_64:
2440 		switch (reg) {
2441 		case 0: return "rax";
2442 		case 1: return "rdx";
2443 		case 2: return "rcx";
2444 		case 3: return "rbx";
2445 		case 4: return "rsi";
2446 		case 5: return "rdi";
2447 		case 6: return "rbp";
2448 		case 7: return "rsp";
2449 		case 16: return "rip";
2450 		case 17: return "xmm0";
2451 		case 18: return "xmm1";
2452 		case 19: return "xmm2";
2453 		case 20: return "xmm3";
2454 		case 21: return "xmm4";
2455 		case 22: return "xmm5";
2456 		case 23: return "xmm6";
2457 		case 24: return "xmm7";
2458 		case 25: return "xmm8";
2459 		case 26: return "xmm9";
2460 		case 27: return "xmm10";
2461 		case 28: return "xmm11";
2462 		case 29: return "xmm12";
2463 		case 30: return "xmm13";
2464 		case 31: return "xmm14";
2465 		case 32: return "xmm15";
2466 		case 33: return "st0";
2467 		case 34: return "st1";
2468 		case 35: return "st2";
2469 		case 36: return "st3";
2470 		case 37: return "st4";
2471 		case 38: return "st5";
2472 		case 39: return "st6";
2473 		case 40: return "st7";
2474 		case 41: return "mm0";
2475 		case 42: return "mm1";
2476 		case 43: return "mm2";
2477 		case 44: return "mm3";
2478 		case 45: return "mm4";
2479 		case 46: return "mm5";
2480 		case 47: return "mm6";
2481 		case 48: return "mm7";
2482 		case 49: return "rflags";
2483 		case 50: return "es";
2484 		case 51: return "cs";
2485 		case 52: return "ss";
2486 		case 53: return "ds";
2487 		case 54: return "fs";
2488 		case 55: return "gs";
2489 		case 58: return "fs.base";
2490 		case 59: return "gs.base";
2491 		case 62: return "tr";
2492 		case 63: return "ldtr";
2493 		case 64: return "mxcsr";
2494 		case 65: return "fcw";
2495 		case 66: return "fsw";
2496 		default: return (NULL);
2497 		}
2498 	default:
2499 		return (NULL);
2500 	}
2501 }
2502 
2503 static void
2504 dump_ehdr(struct readelf *re)
2505 {
2506 	size_t		 shnum, shstrndx;
2507 	int		 i;
2508 
2509 	printf("ELF Header:\n");
2510 
2511 	/* e_ident[]. */
2512 	printf("  Magic:   ");
2513 	for (i = 0; i < EI_NIDENT; i++)
2514 		printf("%.2x ", re->ehdr.e_ident[i]);
2515 	putchar('\n');
2516 
2517 	/* EI_CLASS. */
2518 	printf("%-37s%s\n", "  Class:", elf_class(re->ehdr.e_ident[EI_CLASS]));
2519 
2520 	/* EI_DATA. */
2521 	printf("%-37s%s\n", "  Data:", elf_endian(re->ehdr.e_ident[EI_DATA]));
2522 
2523 	/* EI_VERSION. */
2524 	printf("%-37s%d %s\n", "  Version:", re->ehdr.e_ident[EI_VERSION],
2525 	    elf_ver(re->ehdr.e_ident[EI_VERSION]));
2526 
2527 	/* EI_OSABI. */
2528 	printf("%-37s%s\n", "  OS/ABI:", elf_osabi(re->ehdr.e_ident[EI_OSABI]));
2529 
2530 	/* EI_ABIVERSION. */
2531 	printf("%-37s%d\n", "  ABI Version:", re->ehdr.e_ident[EI_ABIVERSION]);
2532 
2533 	/* e_type. */
2534 	printf("%-37s%s\n", "  Type:", elf_type(re->ehdr.e_type));
2535 
2536 	/* e_machine. */
2537 	printf("%-37s%s\n", "  Machine:", elf_machine(re->ehdr.e_machine));
2538 
2539 	/* e_version. */
2540 	printf("%-37s%#x\n", "  Version:", re->ehdr.e_version);
2541 
2542 	/* e_entry. */
2543 	printf("%-37s%#jx\n", "  Entry point address:",
2544 	    (uintmax_t)re->ehdr.e_entry);
2545 
2546 	/* e_phoff. */
2547 	printf("%-37s%ju (bytes into file)\n", "  Start of program headers:",
2548 	    (uintmax_t)re->ehdr.e_phoff);
2549 
2550 	/* e_shoff. */
2551 	printf("%-37s%ju (bytes into file)\n", "  Start of section headers:",
2552 	    (uintmax_t)re->ehdr.e_shoff);
2553 
2554 	/* e_flags. */
2555 	printf("%-37s%#x", "  Flags:", re->ehdr.e_flags);
2556 	dump_eflags(re, re->ehdr.e_flags);
2557 	putchar('\n');
2558 
2559 	/* e_ehsize. */
2560 	printf("%-37s%u (bytes)\n", "  Size of this header:",
2561 	    re->ehdr.e_ehsize);
2562 
2563 	/* e_phentsize. */
2564 	printf("%-37s%u (bytes)\n", "  Size of program headers:",
2565 	    re->ehdr.e_phentsize);
2566 
2567 	/* e_phnum. */
2568 	printf("%-37s%u\n", "  Number of program headers:", re->ehdr.e_phnum);
2569 
2570 	/* e_shentsize. */
2571 	printf("%-37s%u (bytes)\n", "  Size of section headers:",
2572 	    re->ehdr.e_shentsize);
2573 
2574 	/* e_shnum. */
2575 	printf("%-37s%u", "  Number of section headers:", re->ehdr.e_shnum);
2576 	if (re->ehdr.e_shnum == SHN_UNDEF) {
2577 		/* Extended section numbering is in use. */
2578 		if (elf_getshnum(re->elf, &shnum))
2579 			printf(" (%ju)", (uintmax_t)shnum);
2580 	}
2581 	putchar('\n');
2582 
2583 	/* e_shstrndx. */
2584 	printf("%-37s%u", "  Section header string table index:",
2585 	    re->ehdr.e_shstrndx);
2586 	if (re->ehdr.e_shstrndx == SHN_XINDEX) {
2587 		/* Extended section numbering is in use. */
2588 		if (elf_getshstrndx(re->elf, &shstrndx))
2589 			printf(" (%ju)", (uintmax_t)shstrndx);
2590 	}
2591 	putchar('\n');
2592 }
2593 
2594 static void
2595 dump_eflags(struct readelf *re, uint64_t e_flags)
2596 {
2597 	struct eflags_desc *edesc;
2598 	int arm_eabi;
2599 
2600 	edesc = NULL;
2601 	switch (re->ehdr.e_machine) {
2602 	case EM_ARM:
2603 		arm_eabi = (e_flags & EF_ARM_EABIMASK) >> 24;
2604 		if (arm_eabi == 0)
2605 			printf(", GNU EABI");
2606 		else if (arm_eabi <= 5)
2607 			printf(", Version%d EABI", arm_eabi);
2608 		edesc = arm_eflags_desc;
2609 		break;
2610 	case EM_MIPS:
2611 	case EM_MIPS_RS3_LE:
2612 		switch ((e_flags & EF_MIPS_ARCH) >> 28) {
2613 		case 0:	printf(", mips1"); break;
2614 		case 1: printf(", mips2"); break;
2615 		case 2: printf(", mips3"); break;
2616 		case 3: printf(", mips4"); break;
2617 		case 4: printf(", mips5"); break;
2618 		case 5: printf(", mips32"); break;
2619 		case 6: printf(", mips64"); break;
2620 		case 7: printf(", mips32r2"); break;
2621 		case 8: printf(", mips64r2"); break;
2622 		default: break;
2623 		}
2624 		switch ((e_flags & 0x00FF0000) >> 16) {
2625 		case 0x81: printf(", 3900"); break;
2626 		case 0x82: printf(", 4010"); break;
2627 		case 0x83: printf(", 4100"); break;
2628 		case 0x85: printf(", 4650"); break;
2629 		case 0x87: printf(", 4120"); break;
2630 		case 0x88: printf(", 4111"); break;
2631 		case 0x8a: printf(", sb1"); break;
2632 		case 0x8b: printf(", octeon"); break;
2633 		case 0x8c: printf(", xlr"); break;
2634 		case 0x91: printf(", 5400"); break;
2635 		case 0x98: printf(", 5500"); break;
2636 		case 0x99: printf(", 9000"); break;
2637 		case 0xa0: printf(", loongson-2e"); break;
2638 		case 0xa1: printf(", loongson-2f"); break;
2639 		default: break;
2640 		}
2641 		switch ((e_flags & 0x0000F000) >> 12) {
2642 		case 1: printf(", o32"); break;
2643 		case 2: printf(", o64"); break;
2644 		case 3: printf(", eabi32"); break;
2645 		case 4: printf(", eabi64"); break;
2646 		default: break;
2647 		}
2648 		edesc = mips_eflags_desc;
2649 		break;
2650 	case EM_PPC:
2651 	case EM_PPC64:
2652 		edesc = powerpc_eflags_desc;
2653 		break;
2654 	case EM_SPARC:
2655 	case EM_SPARC32PLUS:
2656 	case EM_SPARCV9:
2657 		switch ((e_flags & EF_SPARCV9_MM)) {
2658 		case EF_SPARCV9_TSO: printf(", tso"); break;
2659 		case EF_SPARCV9_PSO: printf(", pso"); break;
2660 		case EF_SPARCV9_MM: printf(", rmo"); break;
2661 		default: break;
2662 		}
2663 		edesc = sparc_eflags_desc;
2664 		break;
2665 	default:
2666 		break;
2667 	}
2668 
2669 	if (edesc != NULL) {
2670 		while (edesc->desc != NULL) {
2671 			if (e_flags & edesc->flag)
2672 				printf(", %s", edesc->desc);
2673 			edesc++;
2674 		}
2675 	}
2676 }
2677 
2678 static void
2679 dump_phdr(struct readelf *re)
2680 {
2681 	const char	*rawfile;
2682 	GElf_Phdr	 phdr;
2683 	size_t		 phnum, size;
2684 	int		 i, j;
2685 
2686 #define	PH_HDR	"Type", "Offset", "VirtAddr", "PhysAddr", "FileSiz",	\
2687 		"MemSiz", "Flg", "Align"
2688 #define	PH_CT	phdr_type(phdr.p_type), (uintmax_t)phdr.p_offset,	\
2689 		(uintmax_t)phdr.p_vaddr, (uintmax_t)phdr.p_paddr,	\
2690 		(uintmax_t)phdr.p_filesz, (uintmax_t)phdr.p_memsz,	\
2691 		phdr.p_flags & PF_R ? 'R' : ' ',			\
2692 		phdr.p_flags & PF_W ? 'W' : ' ',			\
2693 		phdr.p_flags & PF_X ? 'E' : ' ',			\
2694 		(uintmax_t)phdr.p_align
2695 
2696 	if (elf_getphnum(re->elf, &phnum) == 0) {
2697 		warnx("elf_getphnum failed: %s", elf_errmsg(-1));
2698 		return;
2699 	}
2700 	if (phnum == 0) {
2701 		printf("\nThere are no program headers in this file.\n");
2702 		return;
2703 	}
2704 
2705 	printf("\nElf file type is %s", elf_type(re->ehdr.e_type));
2706 	printf("\nEntry point 0x%jx\n", (uintmax_t)re->ehdr.e_entry);
2707 	printf("There are %ju program headers, starting at offset %ju\n",
2708 	    (uintmax_t)phnum, (uintmax_t)re->ehdr.e_phoff);
2709 
2710 	/* Dump program headers. */
2711 	printf("\nProgram Headers:\n");
2712 	if (re->ec == ELFCLASS32)
2713 		printf("  %-15s%-9s%-11s%-11s%-8s%-8s%-4s%s\n", PH_HDR);
2714 	else if (re->options & RE_WW)
2715 		printf("  %-15s%-9s%-19s%-19s%-9s%-9s%-4s%s\n", PH_HDR);
2716 	else
2717 		printf("  %-15s%-19s%-19s%s\n                 %-19s%-20s"
2718 		    "%-7s%s\n", PH_HDR);
2719 	for (i = 0; (size_t) i < phnum; i++) {
2720 		if (gelf_getphdr(re->elf, i, &phdr) != &phdr) {
2721 			warnx("gelf_getphdr failed: %s", elf_errmsg(-1));
2722 			continue;
2723 		}
2724 		/* TODO: Add arch-specific segment type dump. */
2725 		if (re->ec == ELFCLASS32)
2726 			printf("  %-14.14s 0x%6.6jx 0x%8.8jx 0x%8.8jx "
2727 			    "0x%5.5jx 0x%5.5jx %c%c%c %#jx\n", PH_CT);
2728 		else if (re->options & RE_WW)
2729 			printf("  %-14.14s 0x%6.6jx 0x%16.16jx 0x%16.16jx "
2730 			    "0x%6.6jx 0x%6.6jx %c%c%c %#jx\n", PH_CT);
2731 		else
2732 			printf("  %-14.14s 0x%16.16jx 0x%16.16jx 0x%16.16jx\n"
2733 			    "                 0x%16.16jx 0x%16.16jx  %c%c%c"
2734 			    "    %#jx\n", PH_CT);
2735 		if (phdr.p_type == PT_INTERP) {
2736 			if ((rawfile = elf_rawfile(re->elf, &size)) == NULL) {
2737 				warnx("elf_rawfile failed: %s", elf_errmsg(-1));
2738 				continue;
2739 			}
2740 			if (phdr.p_offset >= size) {
2741 				warnx("invalid program header offset");
2742 				continue;
2743 			}
2744 			printf("      [Requesting program interpreter: %s]\n",
2745 				rawfile + phdr.p_offset);
2746 		}
2747 	}
2748 
2749 	/* Dump section to segment mapping. */
2750 	if (re->shnum == 0)
2751 		return;
2752 	printf("\n Section to Segment mapping:\n");
2753 	printf("  Segment Sections...\n");
2754 	for (i = 0; (size_t)i < phnum; i++) {
2755 		if (gelf_getphdr(re->elf, i, &phdr) != &phdr) {
2756 			warnx("gelf_getphdr failed: %s", elf_errmsg(-1));
2757 			continue;
2758 		}
2759 		printf("   %2.2d     ", i);
2760 		/* skip NULL section. */
2761 		for (j = 1; (size_t)j < re->shnum; j++)
2762 			if (re->sl[j].off >= phdr.p_offset &&
2763 			    re->sl[j].off + re->sl[j].sz <=
2764 			    phdr.p_offset + phdr.p_memsz)
2765 				printf("%s ", re->sl[j].name);
2766 		printf("\n");
2767 	}
2768 #undef	PH_HDR
2769 #undef	PH_CT
2770 }
2771 
2772 static char *
2773 section_flags(struct readelf *re, struct section *s)
2774 {
2775 #define BUF_SZ 256
2776 	static char	buf[BUF_SZ];
2777 	int		i, p, nb;
2778 
2779 	p = 0;
2780 	nb = re->ec == ELFCLASS32 ? 8 : 16;
2781 	if (re->options & RE_T) {
2782 		snprintf(buf, BUF_SZ, "[%*.*jx]: ", nb, nb,
2783 		    (uintmax_t)s->flags);
2784 		p += nb + 4;
2785 	}
2786 	for (i = 0; section_flag[i].ln != NULL; i++) {
2787 		if ((s->flags & section_flag[i].value) == 0)
2788 			continue;
2789 		if (re->options & RE_T) {
2790 			snprintf(&buf[p], BUF_SZ - p, "%s, ",
2791 			    section_flag[i].ln);
2792 			p += strlen(section_flag[i].ln) + 2;
2793 		} else
2794 			buf[p++] = section_flag[i].sn;
2795 	}
2796 	if (re->options & RE_T && p > nb + 4)
2797 		p -= 2;
2798 	buf[p] = '\0';
2799 
2800 	return (buf);
2801 }
2802 
2803 static void
2804 dump_shdr(struct readelf *re)
2805 {
2806 	struct section	*s;
2807 	int		 i;
2808 
2809 #define	S_HDR	"[Nr] Name", "Type", "Addr", "Off", "Size", "ES",	\
2810 		"Flg", "Lk", "Inf", "Al"
2811 #define	S_HDRL	"[Nr] Name", "Type", "Address", "Offset", "Size",	\
2812 		"EntSize", "Flags", "Link", "Info", "Align"
2813 #define	ST_HDR	"[Nr] Name", "Type", "Addr", "Off", "Size", "ES",	\
2814 		"Lk", "Inf", "Al", "Flags"
2815 #define	ST_HDRL	"[Nr] Name", "Type", "Address", "Offset", "Link",	\
2816 		"Size", "EntSize", "Info", "Align", "Flags"
2817 #define	S_CT	i, s->name, section_type(re->ehdr.e_machine, s->type),	\
2818 		(uintmax_t)s->addr, (uintmax_t)s->off, (uintmax_t)s->sz,\
2819 		(uintmax_t)s->entsize, section_flags(re, s),		\
2820 		s->link, s->info, (uintmax_t)s->align
2821 #define	ST_CT	i, s->name, section_type(re->ehdr.e_machine, s->type),  \
2822 		(uintmax_t)s->addr, (uintmax_t)s->off, (uintmax_t)s->sz,\
2823 		(uintmax_t)s->entsize, s->link, s->info,		\
2824 		(uintmax_t)s->align, section_flags(re, s)
2825 #define	ST_CTL	i, s->name, section_type(re->ehdr.e_machine, s->type),  \
2826 		(uintmax_t)s->addr, (uintmax_t)s->off, s->link,		\
2827 		(uintmax_t)s->sz, (uintmax_t)s->entsize, s->info,	\
2828 		(uintmax_t)s->align, section_flags(re, s)
2829 
2830 	if (re->shnum == 0) {
2831 		printf("\nThere are no sections in this file.\n");
2832 		return;
2833 	}
2834 	printf("There are %ju section headers, starting at offset 0x%jx:\n",
2835 	    (uintmax_t)re->shnum, (uintmax_t)re->ehdr.e_shoff);
2836 	printf("\nSection Headers:\n");
2837 	if (re->ec == ELFCLASS32) {
2838 		if (re->options & RE_T)
2839 			printf("  %s\n       %-16s%-9s%-7s%-7s%-5s%-3s%-4s%s\n"
2840 			    "%12s\n", ST_HDR);
2841 		else
2842 			printf("  %-23s%-16s%-9s%-7s%-7s%-3s%-4s%-3s%-4s%s\n",
2843 			    S_HDR);
2844 	} else if (re->options & RE_WW) {
2845 		if (re->options & RE_T)
2846 			printf("  %s\n       %-16s%-17s%-7s%-7s%-5s%-3s%-4s%s\n"
2847 			    "%12s\n", ST_HDR);
2848 		else
2849 			printf("  %-23s%-16s%-17s%-7s%-7s%-3s%-4s%-3s%-4s%s\n",
2850 			    S_HDR);
2851 	} else {
2852 		if (re->options & RE_T)
2853 			printf("  %s\n       %-18s%-17s%-18s%s\n       %-18s"
2854 			    "%-17s%-18s%s\n%12s\n", ST_HDRL);
2855 		else
2856 			printf("  %-23s%-17s%-18s%s\n       %-18s%-17s%-7s%"
2857 			    "-6s%-6s%s\n", S_HDRL);
2858 	}
2859 	for (i = 0; (size_t)i < re->shnum; i++) {
2860 		s = &re->sl[i];
2861 		if (re->ec == ELFCLASS32) {
2862 			if (re->options & RE_T)
2863 				printf("  [%2d] %s\n       %-15.15s %8.8jx"
2864 				    " %6.6jx %6.6jx %2.2jx  %2u %3u %2ju\n"
2865 				    "       %s\n", ST_CT);
2866 			else
2867 				printf("  [%2d] %-17.17s %-15.15s %8.8jx"
2868 				    " %6.6jx %6.6jx %2.2jx %3s %2u %3u %2ju\n",
2869 				    S_CT);
2870 		} else if (re->options & RE_WW) {
2871 			if (re->options & RE_T)
2872 				printf("  [%2d] %s\n       %-15.15s %16.16jx"
2873 				    " %6.6jx %6.6jx %2.2jx  %2u %3u %2ju\n"
2874 				    "       %s\n", ST_CT);
2875 			else
2876 				printf("  [%2d] %-17.17s %-15.15s %16.16jx"
2877 				    " %6.6jx %6.6jx %2.2jx %3s %2u %3u %2ju\n",
2878 				    S_CT);
2879 		} else {
2880 			if (re->options & RE_T)
2881 				printf("  [%2d] %s\n       %-15.15s  %16.16jx"
2882 				    "  %16.16jx  %u\n       %16.16jx %16.16jx"
2883 				    "  %-16u  %ju\n       %s\n", ST_CTL);
2884 			else
2885 				printf("  [%2d] %-17.17s %-15.15s  %16.16jx"
2886 				    "  %8.8jx\n       %16.16jx  %16.16jx "
2887 				    "%3s      %2u   %3u     %ju\n", S_CT);
2888 		}
2889 	}
2890 	if ((re->options & RE_T) == 0)
2891 		printf("Key to Flags:\n  W (write), A (alloc),"
2892 		    " X (execute), M (merge), S (strings)\n"
2893 		    "  I (info), L (link order), G (group), x (unknown)\n"
2894 		    "  O (extra OS processing required)"
2895 		    " o (OS specific), p (processor specific)\n");
2896 
2897 #undef	S_HDR
2898 #undef	S_HDRL
2899 #undef	ST_HDR
2900 #undef	ST_HDRL
2901 #undef	S_CT
2902 #undef	ST_CT
2903 #undef	ST_CTL
2904 }
2905 
2906 /*
2907  * Return number of entries in the given section. We'd prefer ent_count be a
2908  * size_t *, but libelf APIs already use int for section indices.
2909  */
2910 static int
2911 get_ent_count(struct section *s, int *ent_count)
2912 {
2913 	if (s->entsize == 0) {
2914 		warnx("section %s has entry size 0", s->name);
2915 		return (0);
2916 	} else if (s->sz / s->entsize > INT_MAX) {
2917 		warnx("section %s has invalid section count", s->name);
2918 		return (0);
2919 	}
2920 	*ent_count = (int)(s->sz / s->entsize);
2921 	return (1);
2922 }
2923 
2924 static void
2925 dump_dynamic(struct readelf *re)
2926 {
2927 	GElf_Dyn	 dyn;
2928 	Elf_Data	*d;
2929 	struct section	*s;
2930 	int		 elferr, i, is_dynamic, j, jmax, nentries;
2931 
2932 	is_dynamic = 0;
2933 
2934 	for (i = 0; (size_t)i < re->shnum; i++) {
2935 		s = &re->sl[i];
2936 		if (s->type != SHT_DYNAMIC)
2937 			continue;
2938 		(void) elf_errno();
2939 		if ((d = elf_getdata(s->scn, NULL)) == NULL) {
2940 			elferr = elf_errno();
2941 			if (elferr != 0)
2942 				warnx("elf_getdata failed: %s", elf_errmsg(-1));
2943 			continue;
2944 		}
2945 		if (d->d_size <= 0)
2946 			continue;
2947 
2948 		is_dynamic = 1;
2949 
2950 		/* Determine the actual number of table entries. */
2951 		nentries = 0;
2952 		if (!get_ent_count(s, &jmax))
2953 			continue;
2954 		for (j = 0; j < jmax; j++) {
2955 			if (gelf_getdyn(d, j, &dyn) != &dyn) {
2956 				warnx("gelf_getdyn failed: %s",
2957 				    elf_errmsg(-1));
2958 				continue;
2959 			}
2960 			nentries ++;
2961 			if (dyn.d_tag == DT_NULL)
2962 				break;
2963                 }
2964 
2965 		printf("\nDynamic section at offset 0x%jx", (uintmax_t)s->off);
2966 		printf(" contains %u entries:\n", nentries);
2967 
2968 		if (re->ec == ELFCLASS32)
2969 			printf("%5s%12s%28s\n", "Tag", "Type", "Name/Value");
2970 		else
2971 			printf("%5s%20s%28s\n", "Tag", "Type", "Name/Value");
2972 
2973 		for (j = 0; j < nentries; j++) {
2974 			if (gelf_getdyn(d, j, &dyn) != &dyn)
2975 				continue;
2976 			/* Dump dynamic entry type. */
2977 			if (re->ec == ELFCLASS32)
2978 				printf(" 0x%8.8jx", (uintmax_t)dyn.d_tag);
2979 			else
2980 				printf(" 0x%16.16jx", (uintmax_t)dyn.d_tag);
2981 			printf(" %-20s", dt_type(re->ehdr.e_machine,
2982 			    dyn.d_tag));
2983 			/* Dump dynamic entry value. */
2984 			dump_dyn_val(re, &dyn, s->link);
2985 		}
2986 	}
2987 
2988 	if (!is_dynamic)
2989 		printf("\nThere is no dynamic section in this file.\n");
2990 }
2991 
2992 static char *
2993 timestamp(time_t ti)
2994 {
2995 	static char ts[32];
2996 	struct tm *t;
2997 
2998 	t = gmtime(&ti);
2999 	snprintf(ts, sizeof(ts), "%04d-%02d-%02dT%02d:%02d:%02d",
3000 	    t->tm_year + 1900, t->tm_mon + 1, t->tm_mday, t->tm_hour,
3001 	    t->tm_min, t->tm_sec);
3002 
3003 	return (ts);
3004 }
3005 
3006 static const char *
3007 dyn_str(struct readelf *re, uint32_t stab, uint64_t d_val)
3008 {
3009 	const char *name;
3010 
3011 	if (stab == SHN_UNDEF)
3012 		name = "ERROR";
3013 	else if ((name = elf_strptr(re->elf, stab, d_val)) == NULL) {
3014 		(void) elf_errno(); /* clear error */
3015 		name = "ERROR";
3016 	}
3017 
3018 	return (name);
3019 }
3020 
3021 static void
3022 dump_arch_dyn_val(struct readelf *re, GElf_Dyn *dyn, uint32_t stab)
3023 {
3024 	const char *name;
3025 
3026 	switch (re->ehdr.e_machine) {
3027 	case EM_MIPS:
3028 	case EM_MIPS_RS3_LE:
3029 		switch (dyn->d_tag) {
3030 		case DT_MIPS_RLD_VERSION:
3031 		case DT_MIPS_LOCAL_GOTNO:
3032 		case DT_MIPS_CONFLICTNO:
3033 		case DT_MIPS_LIBLISTNO:
3034 		case DT_MIPS_SYMTABNO:
3035 		case DT_MIPS_UNREFEXTNO:
3036 		case DT_MIPS_GOTSYM:
3037 		case DT_MIPS_HIPAGENO:
3038 		case DT_MIPS_DELTA_CLASS_NO:
3039 		case DT_MIPS_DELTA_INSTANCE_NO:
3040 		case DT_MIPS_DELTA_RELOC_NO:
3041 		case DT_MIPS_DELTA_SYM_NO:
3042 		case DT_MIPS_DELTA_CLASSSYM_NO:
3043 		case DT_MIPS_LOCALPAGE_GOTIDX:
3044 		case DT_MIPS_LOCAL_GOTIDX:
3045 		case DT_MIPS_HIDDEN_GOTIDX:
3046 		case DT_MIPS_PROTECTED_GOTIDX:
3047 			printf(" %ju\n", (uintmax_t) dyn->d_un.d_val);
3048 			break;
3049 		case DT_MIPS_ICHECKSUM:
3050 		case DT_MIPS_FLAGS:
3051 		case DT_MIPS_BASE_ADDRESS:
3052 		case DT_MIPS_CONFLICT:
3053 		case DT_MIPS_LIBLIST:
3054 		case DT_MIPS_RLD_MAP:
3055 		case DT_MIPS_DELTA_CLASS:
3056 		case DT_MIPS_DELTA_INSTANCE:
3057 		case DT_MIPS_DELTA_RELOC:
3058 		case DT_MIPS_DELTA_SYM:
3059 		case DT_MIPS_DELTA_CLASSSYM:
3060 		case DT_MIPS_CXX_FLAGS:
3061 		case DT_MIPS_PIXIE_INIT:
3062 		case DT_MIPS_SYMBOL_LIB:
3063 		case DT_MIPS_OPTIONS:
3064 		case DT_MIPS_INTERFACE:
3065 		case DT_MIPS_DYNSTR_ALIGN:
3066 		case DT_MIPS_INTERFACE_SIZE:
3067 		case DT_MIPS_RLD_TEXT_RESOLVE_ADDR:
3068 		case DT_MIPS_COMPACT_SIZE:
3069 		case DT_MIPS_GP_VALUE:
3070 		case DT_MIPS_AUX_DYNAMIC:
3071 		case DT_MIPS_PLTGOT:
3072 		case DT_MIPS_RLD_OBJ_UPDATE:
3073 		case DT_MIPS_RWPLT:
3074 			printf(" 0x%jx\n", (uintmax_t) dyn->d_un.d_val);
3075 			break;
3076 		case DT_MIPS_IVERSION:
3077 		case DT_MIPS_PERF_SUFFIX:
3078 		case DT_AUXILIARY:
3079 		case DT_FILTER:
3080 			name = dyn_str(re, stab, dyn->d_un.d_val);
3081 			printf(" %s\n", name);
3082 			break;
3083 		case DT_MIPS_TIME_STAMP:
3084 			printf(" %s\n", timestamp(dyn->d_un.d_val));
3085 			break;
3086 		}
3087 		break;
3088 	default:
3089 		printf("\n");
3090 		break;
3091 	}
3092 }
3093 
3094 static void
3095 dump_dyn_val(struct readelf *re, GElf_Dyn *dyn, uint32_t stab)
3096 {
3097 	const char *name;
3098 
3099 	if (dyn->d_tag >= DT_LOPROC && dyn->d_tag <= DT_HIPROC) {
3100 		dump_arch_dyn_val(re, dyn, stab);
3101 		return;
3102 	}
3103 
3104 	/* These entry values are index into the string table. */
3105 	name = NULL;
3106 	if (dyn->d_tag == DT_NEEDED || dyn->d_tag == DT_SONAME ||
3107 	    dyn->d_tag == DT_RPATH || dyn->d_tag == DT_RUNPATH)
3108 		name = dyn_str(re, stab, dyn->d_un.d_val);
3109 
3110 	switch(dyn->d_tag) {
3111 	case DT_NULL:
3112 	case DT_PLTGOT:
3113 	case DT_HASH:
3114 	case DT_STRTAB:
3115 	case DT_SYMTAB:
3116 	case DT_RELA:
3117 	case DT_INIT:
3118 	case DT_SYMBOLIC:
3119 	case DT_REL:
3120 	case DT_DEBUG:
3121 	case DT_TEXTREL:
3122 	case DT_JMPREL:
3123 	case DT_FINI:
3124 	case DT_VERDEF:
3125 	case DT_VERNEED:
3126 	case DT_VERSYM:
3127 	case DT_GNU_HASH:
3128 	case DT_GNU_LIBLIST:
3129 	case DT_GNU_CONFLICT:
3130 		printf(" 0x%jx\n", (uintmax_t) dyn->d_un.d_val);
3131 		break;
3132 	case DT_PLTRELSZ:
3133 	case DT_RELASZ:
3134 	case DT_RELAENT:
3135 	case DT_STRSZ:
3136 	case DT_SYMENT:
3137 	case DT_RELSZ:
3138 	case DT_RELENT:
3139 	case DT_INIT_ARRAYSZ:
3140 	case DT_FINI_ARRAYSZ:
3141 	case DT_GNU_CONFLICTSZ:
3142 	case DT_GNU_LIBLISTSZ:
3143 		printf(" %ju (bytes)\n", (uintmax_t) dyn->d_un.d_val);
3144 		break;
3145  	case DT_RELACOUNT:
3146 	case DT_RELCOUNT:
3147 	case DT_VERDEFNUM:
3148 	case DT_VERNEEDNUM:
3149 		printf(" %ju\n", (uintmax_t) dyn->d_un.d_val);
3150 		break;
3151 	case DT_NEEDED:
3152 		printf(" Shared library: [%s]\n", name);
3153 		break;
3154 	case DT_SONAME:
3155 		printf(" Library soname: [%s]\n", name);
3156 		break;
3157 	case DT_RPATH:
3158 		printf(" Library rpath: [%s]\n", name);
3159 		break;
3160 	case DT_RUNPATH:
3161 		printf(" Library runpath: [%s]\n", name);
3162 		break;
3163 	case DT_PLTREL:
3164 		printf(" %s\n", dt_type(re->ehdr.e_machine, dyn->d_un.d_val));
3165 		break;
3166 	case DT_GNU_PRELINKED:
3167 		printf(" %s\n", timestamp(dyn->d_un.d_val));
3168 		break;
3169 	default:
3170 		printf("\n");
3171 	}
3172 }
3173 
3174 static void
3175 dump_rel(struct readelf *re, struct section *s, Elf_Data *d)
3176 {
3177 	GElf_Rel r;
3178 	const char *symname;
3179 	uint64_t symval;
3180 	int i, len;
3181 
3182 #define	REL_HDR "r_offset", "r_info", "r_type", "st_value", "st_name"
3183 #define	REL_CT32 (uintmax_t)r.r_offset, (uintmax_t)r.r_info,	    \
3184 		r_type(re->ehdr.e_machine, ELF32_R_TYPE(r.r_info)), \
3185 		(uintmax_t)symval, symname
3186 #define	REL_CT64 (uintmax_t)r.r_offset, (uintmax_t)r.r_info,	    \
3187 		r_type(re->ehdr.e_machine, ELF64_R_TYPE(r.r_info)), \
3188 		(uintmax_t)symval, symname
3189 
3190 	printf("\nRelocation section (%s):\n", s->name);
3191 	if (re->ec == ELFCLASS32)
3192 		printf("%-8s %-8s %-19s %-8s %s\n", REL_HDR);
3193 	else {
3194 		if (re->options & RE_WW)
3195 			printf("%-16s %-16s %-24s %-16s %s\n", REL_HDR);
3196 		else
3197 			printf("%-12s %-12s %-19s %-16s %s\n", REL_HDR);
3198 	}
3199 	assert(d->d_size == s->sz);
3200 	if (!get_ent_count(s, &len))
3201 		return;
3202 	for (i = 0; i < len; i++) {
3203 		if (gelf_getrel(d, i, &r) != &r) {
3204 			warnx("gelf_getrel failed: %s", elf_errmsg(-1));
3205 			continue;
3206 		}
3207 		if (s->link >= re->shnum) {
3208 			warnx("invalid section link index %u", s->link);
3209 			continue;
3210 		}
3211 		symname = get_symbol_name(re, s->link, GELF_R_SYM(r.r_info));
3212 		symval = get_symbol_value(re, s->link, GELF_R_SYM(r.r_info));
3213 		if (re->ec == ELFCLASS32) {
3214 			r.r_info = ELF32_R_INFO(ELF64_R_SYM(r.r_info),
3215 			    ELF64_R_TYPE(r.r_info));
3216 			printf("%8.8jx %8.8jx %-19.19s %8.8jx %s\n", REL_CT32);
3217 		} else {
3218 			if (re->options & RE_WW)
3219 				printf("%16.16jx %16.16jx %-24.24s"
3220 				    " %16.16jx %s\n", REL_CT64);
3221 			else
3222 				printf("%12.12jx %12.12jx %-19.19s"
3223 				    " %16.16jx %s\n", REL_CT64);
3224 		}
3225 	}
3226 
3227 #undef	REL_HDR
3228 #undef	REL_CT
3229 }
3230 
3231 static void
3232 dump_rela(struct readelf *re, struct section *s, Elf_Data *d)
3233 {
3234 	GElf_Rela r;
3235 	const char *symname;
3236 	uint64_t symval;
3237 	int i, len;
3238 
3239 #define	RELA_HDR "r_offset", "r_info", "r_type", "st_value", \
3240 		"st_name + r_addend"
3241 #define	RELA_CT32 (uintmax_t)r.r_offset, (uintmax_t)r.r_info,	    \
3242 		r_type(re->ehdr.e_machine, ELF32_R_TYPE(r.r_info)), \
3243 		(uintmax_t)symval, symname
3244 #define	RELA_CT64 (uintmax_t)r.r_offset, (uintmax_t)r.r_info,	    \
3245 		r_type(re->ehdr.e_machine, ELF64_R_TYPE(r.r_info)), \
3246 		(uintmax_t)symval, symname
3247 
3248 	printf("\nRelocation section with addend (%s):\n", s->name);
3249 	if (re->ec == ELFCLASS32)
3250 		printf("%-8s %-8s %-19s %-8s %s\n", RELA_HDR);
3251 	else {
3252 		if (re->options & RE_WW)
3253 			printf("%-16s %-16s %-24s %-16s %s\n", RELA_HDR);
3254 		else
3255 			printf("%-12s %-12s %-19s %-16s %s\n", RELA_HDR);
3256 	}
3257 	assert(d->d_size == s->sz);
3258 	if (!get_ent_count(s, &len))
3259 		return;
3260 	for (i = 0; i < len; i++) {
3261 		if (gelf_getrela(d, i, &r) != &r) {
3262 			warnx("gelf_getrel failed: %s", elf_errmsg(-1));
3263 			continue;
3264 		}
3265 		if (s->link >= re->shnum) {
3266 			warnx("invalid section link index %u", s->link);
3267 			continue;
3268 		}
3269 		symname = get_symbol_name(re, s->link, GELF_R_SYM(r.r_info));
3270 		symval = get_symbol_value(re, s->link, GELF_R_SYM(r.r_info));
3271 		if (re->ec == ELFCLASS32) {
3272 			r.r_info = ELF32_R_INFO(ELF64_R_SYM(r.r_info),
3273 			    ELF64_R_TYPE(r.r_info));
3274 			printf("%8.8jx %8.8jx %-19.19s %8.8jx %s", RELA_CT32);
3275 			printf(" + %x\n", (uint32_t) r.r_addend);
3276 		} else {
3277 			if (re->options & RE_WW)
3278 				printf("%16.16jx %16.16jx %-24.24s"
3279 				    " %16.16jx %s", RELA_CT64);
3280 			else
3281 				printf("%12.12jx %12.12jx %-19.19s"
3282 				    " %16.16jx %s", RELA_CT64);
3283 			printf(" + %jx\n", (uintmax_t) r.r_addend);
3284 		}
3285 	}
3286 
3287 #undef	RELA_HDR
3288 #undef	RELA_CT
3289 }
3290 
3291 static void
3292 dump_reloc(struct readelf *re)
3293 {
3294 	struct section *s;
3295 	Elf_Data *d;
3296 	int i, elferr;
3297 
3298 	for (i = 0; (size_t)i < re->shnum; i++) {
3299 		s = &re->sl[i];
3300 		if (s->type == SHT_REL || s->type == SHT_RELA) {
3301 			(void) elf_errno();
3302 			if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3303 				elferr = elf_errno();
3304 				if (elferr != 0)
3305 					warnx("elf_getdata failed: %s",
3306 					    elf_errmsg(elferr));
3307 				continue;
3308 			}
3309 			if (s->type == SHT_REL)
3310 				dump_rel(re, s, d);
3311 			else
3312 				dump_rela(re, s, d);
3313 		}
3314 	}
3315 }
3316 
3317 static void
3318 dump_symtab(struct readelf *re, int i)
3319 {
3320 	struct section *s;
3321 	Elf_Data *d;
3322 	GElf_Sym sym;
3323 	const char *name;
3324 	int elferr, stab, j, len;
3325 
3326 	s = &re->sl[i];
3327 	stab = s->link;
3328 	(void) elf_errno();
3329 	if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3330 		elferr = elf_errno();
3331 		if (elferr != 0)
3332 			warnx("elf_getdata failed: %s", elf_errmsg(elferr));
3333 		return;
3334 	}
3335 	if (d->d_size <= 0)
3336 		return;
3337 	if (!get_ent_count(s, &len))
3338 		return;
3339 	printf("Symbol table (%s)", s->name);
3340 	printf(" contains %d entries:\n", len);
3341 	printf("%7s%9s%14s%5s%8s%6s%9s%5s\n", "Num:", "Value", "Size", "Type",
3342 	    "Bind", "Vis", "Ndx", "Name");
3343 
3344 	for (j = 0; j < len; j++) {
3345 		if (gelf_getsym(d, j, &sym) != &sym) {
3346 			warnx("gelf_getsym failed: %s", elf_errmsg(-1));
3347 			continue;
3348 		}
3349 		printf("%6d:", j);
3350 		printf(" %16.16jx", (uintmax_t)sym.st_value);
3351 		printf(" %5ju", sym.st_size);
3352 		printf(" %-7s", st_type(GELF_ST_TYPE(sym.st_info)));
3353 		printf(" %-6s", st_bind(GELF_ST_BIND(sym.st_info)));
3354 		printf(" %-8s", st_vis(GELF_ST_VISIBILITY(sym.st_other)));
3355 		printf(" %3s", st_shndx(sym.st_shndx));
3356 		if ((name = elf_strptr(re->elf, stab, sym.st_name)) != NULL)
3357 			printf(" %s", name);
3358 		/* Append symbol version string for SHT_DYNSYM symbol table. */
3359 		if (s->type == SHT_DYNSYM && re->ver != NULL &&
3360 		    re->vs != NULL && re->vs[j] > 1) {
3361 			if (re->vs[j] & 0x8000 ||
3362 			    re->ver[re->vs[j] & 0x7fff].type == 0)
3363 				printf("@%s (%d)",
3364 				    re->ver[re->vs[j] & 0x7fff].name,
3365 				    re->vs[j] & 0x7fff);
3366 			else
3367 				printf("@@%s (%d)", re->ver[re->vs[j]].name,
3368 				    re->vs[j]);
3369 		}
3370 		putchar('\n');
3371 	}
3372 
3373 }
3374 
3375 static void
3376 dump_symtabs(struct readelf *re)
3377 {
3378 	GElf_Dyn dyn;
3379 	Elf_Data *d;
3380 	struct section *s;
3381 	uint64_t dyn_off;
3382 	int elferr, i, len;
3383 
3384 	/*
3385 	 * If -D is specified, only dump the symbol table specified by
3386 	 * the DT_SYMTAB entry in the .dynamic section.
3387 	 */
3388 	dyn_off = 0;
3389 	if (re->options & RE_DD) {
3390 		s = NULL;
3391 		for (i = 0; (size_t)i < re->shnum; i++)
3392 			if (re->sl[i].type == SHT_DYNAMIC) {
3393 				s = &re->sl[i];
3394 				break;
3395 			}
3396 		if (s == NULL)
3397 			return;
3398 		(void) elf_errno();
3399 		if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3400 			elferr = elf_errno();
3401 			if (elferr != 0)
3402 				warnx("elf_getdata failed: %s", elf_errmsg(-1));
3403 			return;
3404 		}
3405 		if (d->d_size <= 0)
3406 			return;
3407 		if (!get_ent_count(s, &len))
3408 			return;
3409 
3410 		for (i = 0; i < len; i++) {
3411 			if (gelf_getdyn(d, i, &dyn) != &dyn) {
3412 				warnx("gelf_getdyn failed: %s", elf_errmsg(-1));
3413 				continue;
3414 			}
3415 			if (dyn.d_tag == DT_SYMTAB) {
3416 				dyn_off = dyn.d_un.d_val;
3417 				break;
3418 			}
3419 		}
3420 	}
3421 
3422 	/* Find and dump symbol tables. */
3423 	for (i = 0; (size_t)i < re->shnum; i++) {
3424 		s = &re->sl[i];
3425 		if (s->type == SHT_SYMTAB || s->type == SHT_DYNSYM) {
3426 			if (re->options & RE_DD) {
3427 				if (dyn_off == s->addr) {
3428 					dump_symtab(re, i);
3429 					break;
3430 				}
3431 			} else
3432 				dump_symtab(re, i);
3433 		}
3434 	}
3435 }
3436 
3437 static void
3438 dump_svr4_hash(struct section *s)
3439 {
3440 	Elf_Data	*d;
3441 	uint32_t	*buf;
3442 	uint32_t	 nbucket, nchain;
3443 	uint32_t	*bucket, *chain;
3444 	uint32_t	*bl, *c, maxl, total;
3445 	int		 elferr, i, j;
3446 
3447 	/* Read and parse the content of .hash section. */
3448 	(void) elf_errno();
3449 	if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3450 		elferr = elf_errno();
3451 		if (elferr != 0)
3452 			warnx("elf_getdata failed: %s", elf_errmsg(elferr));
3453 		return;
3454 	}
3455 	if (d->d_size < 2 * sizeof(uint32_t)) {
3456 		warnx(".hash section too small");
3457 		return;
3458 	}
3459 	buf = d->d_buf;
3460 	nbucket = buf[0];
3461 	nchain = buf[1];
3462 	if (nbucket <= 0 || nchain <= 0) {
3463 		warnx("Malformed .hash section");
3464 		return;
3465 	}
3466 	if (d->d_size != (nbucket + nchain + 2) * sizeof(uint32_t)) {
3467 		warnx("Malformed .hash section");
3468 		return;
3469 	}
3470 	bucket = &buf[2];
3471 	chain = &buf[2 + nbucket];
3472 
3473 	maxl = 0;
3474 	if ((bl = calloc(nbucket, sizeof(*bl))) == NULL)
3475 		errx(EXIT_FAILURE, "calloc failed");
3476 	for (i = 0; (uint32_t)i < nbucket; i++)
3477 		for (j = bucket[i]; j > 0 && (uint32_t)j < nchain; j = chain[j])
3478 			if (++bl[i] > maxl)
3479 				maxl = bl[i];
3480 	if ((c = calloc(maxl + 1, sizeof(*c))) == NULL)
3481 		errx(EXIT_FAILURE, "calloc failed");
3482 	for (i = 0; (uint32_t)i < nbucket; i++)
3483 		c[bl[i]]++;
3484 	printf("\nHistogram for bucket list length (total of %u buckets):\n",
3485 	    nbucket);
3486 	printf(" Length\tNumber\t\t%% of total\tCoverage\n");
3487 	total = 0;
3488 	for (i = 0; (uint32_t)i <= maxl; i++) {
3489 		total += c[i] * i;
3490 		printf("%7u\t%-10u\t(%5.1f%%)\t%5.1f%%\n", i, c[i],
3491 		    c[i] * 100.0 / nbucket, total * 100.0 / (nchain - 1));
3492 	}
3493 	free(c);
3494 	free(bl);
3495 }
3496 
3497 static void
3498 dump_svr4_hash64(struct readelf *re, struct section *s)
3499 {
3500 	Elf_Data	*d, dst;
3501 	uint64_t	*buf;
3502 	uint64_t	 nbucket, nchain;
3503 	uint64_t	*bucket, *chain;
3504 	uint64_t	*bl, *c, maxl, total;
3505 	int		 elferr, i, j;
3506 
3507 	/*
3508 	 * ALPHA uses 64-bit hash entries. Since libelf assumes that
3509 	 * .hash section contains only 32-bit entry, an explicit
3510 	 * gelf_xlatetom is needed here.
3511 	 */
3512 	(void) elf_errno();
3513 	if ((d = elf_rawdata(s->scn, NULL)) == NULL) {
3514 		elferr = elf_errno();
3515 		if (elferr != 0)
3516 			warnx("elf_rawdata failed: %s",
3517 			    elf_errmsg(elferr));
3518 		return;
3519 	}
3520 	d->d_type = ELF_T_XWORD;
3521 	memcpy(&dst, d, sizeof(Elf_Data));
3522 	if (gelf_xlatetom(re->elf, &dst, d,
3523 		re->ehdr.e_ident[EI_DATA]) != &dst) {
3524 		warnx("gelf_xlatetom failed: %s", elf_errmsg(-1));
3525 		return;
3526 	}
3527 	if (dst.d_size < 2 * sizeof(uint64_t)) {
3528 		warnx(".hash section too small");
3529 		return;
3530 	}
3531 	buf = dst.d_buf;
3532 	nbucket = buf[0];
3533 	nchain = buf[1];
3534 	if (nbucket <= 0 || nchain <= 0) {
3535 		warnx("Malformed .hash section");
3536 		return;
3537 	}
3538 	if (d->d_size != (nbucket + nchain + 2) * sizeof(uint32_t)) {
3539 		warnx("Malformed .hash section");
3540 		return;
3541 	}
3542 	bucket = &buf[2];
3543 	chain = &buf[2 + nbucket];
3544 
3545 	maxl = 0;
3546 	if ((bl = calloc(nbucket, sizeof(*bl))) == NULL)
3547 		errx(EXIT_FAILURE, "calloc failed");
3548 	for (i = 0; (uint32_t)i < nbucket; i++)
3549 		for (j = bucket[i]; j > 0 && (uint32_t)j < nchain; j = chain[j])
3550 			if (++bl[i] > maxl)
3551 				maxl = bl[i];
3552 	if ((c = calloc(maxl + 1, sizeof(*c))) == NULL)
3553 		errx(EXIT_FAILURE, "calloc failed");
3554 	for (i = 0; (uint64_t)i < nbucket; i++)
3555 		c[bl[i]]++;
3556 	printf("Histogram for bucket list length (total of %ju buckets):\n",
3557 	    (uintmax_t)nbucket);
3558 	printf(" Length\tNumber\t\t%% of total\tCoverage\n");
3559 	total = 0;
3560 	for (i = 0; (uint64_t)i <= maxl; i++) {
3561 		total += c[i] * i;
3562 		printf("%7u\t%-10ju\t(%5.1f%%)\t%5.1f%%\n", i, (uintmax_t)c[i],
3563 		    c[i] * 100.0 / nbucket, total * 100.0 / (nchain - 1));
3564 	}
3565 	free(c);
3566 	free(bl);
3567 }
3568 
3569 static void
3570 dump_gnu_hash(struct readelf *re, struct section *s)
3571 {
3572 	struct section	*ds;
3573 	Elf_Data	*d;
3574 	uint32_t	*buf;
3575 	uint32_t	*bucket, *chain;
3576 	uint32_t	 nbucket, nchain, symndx, maskwords;
3577 	uint32_t	*bl, *c, maxl, total;
3578 	int		 elferr, dynsymcount, i, j;
3579 
3580 	(void) elf_errno();
3581 	if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3582 		elferr = elf_errno();
3583 		if (elferr != 0)
3584 			warnx("elf_getdata failed: %s",
3585 			    elf_errmsg(elferr));
3586 		return;
3587 	}
3588 	if (d->d_size < 4 * sizeof(uint32_t)) {
3589 		warnx(".gnu.hash section too small");
3590 		return;
3591 	}
3592 	buf = d->d_buf;
3593 	nbucket = buf[0];
3594 	symndx = buf[1];
3595 	maskwords = buf[2];
3596 	buf += 4;
3597 	ds = &re->sl[s->link];
3598 	if (!get_ent_count(ds, &dynsymcount))
3599 		return;
3600 	nchain = dynsymcount - symndx;
3601 	if (d->d_size != 4 * sizeof(uint32_t) + maskwords *
3602 	    (re->ec == ELFCLASS32 ? sizeof(uint32_t) : sizeof(uint64_t)) +
3603 	    (nbucket + nchain) * sizeof(uint32_t)) {
3604 		warnx("Malformed .gnu.hash section");
3605 		return;
3606 	}
3607 	bucket = buf + (re->ec == ELFCLASS32 ? maskwords : maskwords * 2);
3608 	chain = bucket + nbucket;
3609 
3610 	maxl = 0;
3611 	if ((bl = calloc(nbucket, sizeof(*bl))) == NULL)
3612 		errx(EXIT_FAILURE, "calloc failed");
3613 	for (i = 0; (uint32_t)i < nbucket; i++)
3614 		for (j = bucket[i]; j > 0 && (uint32_t)j - symndx < nchain;
3615 		     j++) {
3616 			if (++bl[i] > maxl)
3617 				maxl = bl[i];
3618 			if (chain[j - symndx] & 1)
3619 				break;
3620 		}
3621 	if ((c = calloc(maxl + 1, sizeof(*c))) == NULL)
3622 		errx(EXIT_FAILURE, "calloc failed");
3623 	for (i = 0; (uint32_t)i < nbucket; i++)
3624 		c[bl[i]]++;
3625 	printf("Histogram for bucket list length (total of %u buckets):\n",
3626 	    nbucket);
3627 	printf(" Length\tNumber\t\t%% of total\tCoverage\n");
3628 	total = 0;
3629 	for (i = 0; (uint32_t)i <= maxl; i++) {
3630 		total += c[i] * i;
3631 		printf("%7u\t%-10u\t(%5.1f%%)\t%5.1f%%\n", i, c[i],
3632 		    c[i] * 100.0 / nbucket, total * 100.0 / (nchain - 1));
3633 	}
3634 	free(c);
3635 	free(bl);
3636 }
3637 
3638 static void
3639 dump_hash(struct readelf *re)
3640 {
3641 	struct section	*s;
3642 	int		 i;
3643 
3644 	for (i = 0; (size_t) i < re->shnum; i++) {
3645 		s = &re->sl[i];
3646 		if (s->type == SHT_HASH || s->type == SHT_GNU_HASH) {
3647 			if (s->type == SHT_GNU_HASH)
3648 				dump_gnu_hash(re, s);
3649 			else if (re->ehdr.e_machine == EM_ALPHA &&
3650 			    s->entsize == 8)
3651 				dump_svr4_hash64(re, s);
3652 			else
3653 				dump_svr4_hash(s);
3654 		}
3655 	}
3656 }
3657 
3658 static void
3659 dump_notes(struct readelf *re)
3660 {
3661 	struct section *s;
3662 	const char *rawfile;
3663 	GElf_Phdr phdr;
3664 	Elf_Data *d;
3665 	size_t phnum;
3666 	int i, elferr;
3667 
3668 	if (re->ehdr.e_type == ET_CORE) {
3669 		/*
3670 		 * Search program headers in the core file for
3671 		 * PT_NOTE entry.
3672 		 */
3673 		if (elf_getphnum(re->elf, &phnum) == 0) {
3674 			warnx("elf_getphnum failed: %s", elf_errmsg(-1));
3675 			return;
3676 		}
3677 		if (phnum == 0)
3678 			return;
3679 		if ((rawfile = elf_rawfile(re->elf, NULL)) == NULL) {
3680 			warnx("elf_rawfile failed: %s", elf_errmsg(-1));
3681 			return;
3682 		}
3683 		for (i = 0; (size_t) i < phnum; i++) {
3684 			if (gelf_getphdr(re->elf, i, &phdr) != &phdr) {
3685 				warnx("gelf_getphdr failed: %s",
3686 				    elf_errmsg(-1));
3687 				continue;
3688 			}
3689 			if (phdr.p_type == PT_NOTE)
3690 				dump_notes_content(re, rawfile + phdr.p_offset,
3691 				    phdr.p_filesz, phdr.p_offset);
3692 		}
3693 
3694 	} else {
3695 		/*
3696 		 * For objects other than core files, Search for
3697 		 * SHT_NOTE sections.
3698 		 */
3699 		for (i = 0; (size_t) i < re->shnum; i++) {
3700 			s = &re->sl[i];
3701 			if (s->type == SHT_NOTE) {
3702 				(void) elf_errno();
3703 				if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3704 					elferr = elf_errno();
3705 					if (elferr != 0)
3706 						warnx("elf_getdata failed: %s",
3707 						    elf_errmsg(elferr));
3708 					continue;
3709 				}
3710 				dump_notes_content(re, d->d_buf, d->d_size,
3711 				    s->off);
3712 			}
3713 		}
3714 	}
3715 }
3716 
3717 static void
3718 dump_notes_content(struct readelf *re, const char *buf, size_t sz, off_t off)
3719 {
3720 	Elf_Note *note;
3721 	const char *end, *name;
3722 
3723 	printf("\nNotes at offset %#010jx with length %#010jx:\n",
3724 	    (uintmax_t) off, (uintmax_t) sz);
3725 	printf("  %-13s %-15s %s\n", "Owner", "Data size", "Description");
3726 	end = buf + sz;
3727 	while (buf < end) {
3728 		if (buf + sizeof(*note) > end) {
3729 			warnx("invalid note header");
3730 			return;
3731 		}
3732 		note = (Elf_Note *)(uintptr_t) buf;
3733 		name = (char *)(uintptr_t)(note + 1);
3734 		/*
3735 		 * The name field is required to be nul-terminated, and
3736 		 * n_namesz includes the terminating nul in observed
3737 		 * implementations (contrary to the ELF-64 spec). A special
3738 		 * case is needed for cores generated by some older Linux
3739 		 * versions, which write a note named "CORE" without a nul
3740 		 * terminator and n_namesz = 4.
3741 		 */
3742 		if (note->n_namesz == 0)
3743 			name = "";
3744 		else if (note->n_namesz == 4 && strncmp(name, "CORE", 4) == 0)
3745 			name = "CORE";
3746 		else if (strnlen(name, note->n_namesz) >= note->n_namesz)
3747 			name = "<invalid>";
3748 		printf("  %-13s %#010jx", name, (uintmax_t) note->n_descsz);
3749 		printf("      %s\n", note_type(name, re->ehdr.e_type,
3750 		    note->n_type));
3751 		buf += sizeof(Elf_Note) + roundup2(note->n_namesz, 4) +
3752 		    roundup2(note->n_descsz, 4);
3753 	}
3754 }
3755 
3756 /*
3757  * Symbol versioning sections are the same for 32bit and 64bit
3758  * ELF objects.
3759  */
3760 #define Elf_Verdef	Elf32_Verdef
3761 #define	Elf_Verdaux	Elf32_Verdaux
3762 #define	Elf_Verneed	Elf32_Verneed
3763 #define	Elf_Vernaux	Elf32_Vernaux
3764 
3765 #define	SAVE_VERSION_NAME(x, n, t)					\
3766 	do {								\
3767 		while (x >= re->ver_sz) {				\
3768 			nv = realloc(re->ver,				\
3769 			    sizeof(*re->ver) * re->ver_sz * 2);		\
3770 			if (nv == NULL) {				\
3771 				warn("realloc failed");			\
3772 				free(re->ver);				\
3773 				return;					\
3774 			}						\
3775 			re->ver = nv;					\
3776 			for (i = re->ver_sz; i < re->ver_sz * 2; i++) {	\
3777 				re->ver[i].name = NULL;			\
3778 				re->ver[i].type = 0;			\
3779 			}						\
3780 			re->ver_sz *= 2;				\
3781 		}							\
3782 		if (x > 1) {						\
3783 			re->ver[x].name = n;				\
3784 			re->ver[x].type = t;				\
3785 		}							\
3786 	} while (0)
3787 
3788 
3789 static void
3790 dump_verdef(struct readelf *re, int dump)
3791 {
3792 	struct section *s;
3793 	struct symver *nv;
3794 	Elf_Data *d;
3795 	Elf_Verdef *vd;
3796 	Elf_Verdaux *vda;
3797 	uint8_t *buf, *end, *buf2;
3798 	const char *name;
3799 	int elferr, i, j;
3800 
3801 	if ((s = re->vd_s) == NULL)
3802 		return;
3803 
3804 	if (re->ver == NULL) {
3805 		re->ver_sz = 16;
3806 		if ((re->ver = calloc(re->ver_sz, sizeof(*re->ver))) ==
3807 		    NULL) {
3808 			warn("calloc failed");
3809 			return;
3810 		}
3811 		re->ver[0].name = "*local*";
3812 		re->ver[1].name = "*global*";
3813 	}
3814 
3815 	if (dump)
3816 		printf("\nVersion definition section (%s):\n", s->name);
3817 	(void) elf_errno();
3818 	if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3819 		elferr = elf_errno();
3820 		if (elferr != 0)
3821 			warnx("elf_getdata failed: %s", elf_errmsg(elferr));
3822 		return;
3823 	}
3824 	if (d->d_size == 0)
3825 		return;
3826 
3827 	buf = d->d_buf;
3828 	end = buf + d->d_size;
3829 	while (buf + sizeof(Elf_Verdef) <= end) {
3830 		vd = (Elf_Verdef *) (uintptr_t) buf;
3831 		if (dump) {
3832 			printf("  0x%4.4lx", (unsigned long)
3833 			    (buf - (uint8_t *)d->d_buf));
3834 			printf(" vd_version: %u vd_flags: %d"
3835 			    " vd_ndx: %u vd_cnt: %u", vd->vd_version,
3836 			    vd->vd_flags, vd->vd_ndx, vd->vd_cnt);
3837 		}
3838 		buf2 = buf + vd->vd_aux;
3839 		j = 0;
3840 		while (buf2 + sizeof(Elf_Verdaux) <= end && j < vd->vd_cnt) {
3841 			vda = (Elf_Verdaux *) (uintptr_t) buf2;
3842 			name = get_string(re, s->link, vda->vda_name);
3843 			if (j == 0) {
3844 				if (dump)
3845 					printf(" vda_name: %s\n", name);
3846 				SAVE_VERSION_NAME((int)vd->vd_ndx, name, 1);
3847 			} else if (dump)
3848 				printf("  0x%4.4lx parent: %s\n",
3849 				    (unsigned long) (buf2 -
3850 				    (uint8_t *)d->d_buf), name);
3851 			if (vda->vda_next == 0)
3852 				break;
3853 			buf2 += vda->vda_next;
3854 			j++;
3855 		}
3856 		if (vd->vd_next == 0)
3857 			break;
3858 		buf += vd->vd_next;
3859 	}
3860 }
3861 
3862 static void
3863 dump_verneed(struct readelf *re, int dump)
3864 {
3865 	struct section *s;
3866 	struct symver *nv;
3867 	Elf_Data *d;
3868 	Elf_Verneed *vn;
3869 	Elf_Vernaux *vna;
3870 	uint8_t *buf, *end, *buf2;
3871 	const char *name;
3872 	int elferr, i, j;
3873 
3874 	if ((s = re->vn_s) == NULL)
3875 		return;
3876 
3877 	if (re->ver == NULL) {
3878 		re->ver_sz = 16;
3879 		if ((re->ver = calloc(re->ver_sz, sizeof(*re->ver))) ==
3880 		    NULL) {
3881 			warn("calloc failed");
3882 			return;
3883 		}
3884 		re->ver[0].name = "*local*";
3885 		re->ver[1].name = "*global*";
3886 	}
3887 
3888 	if (dump)
3889 		printf("\nVersion needed section (%s):\n", s->name);
3890 	(void) elf_errno();
3891 	if ((d = elf_getdata(s->scn, NULL)) == NULL) {
3892 		elferr = elf_errno();
3893 		if (elferr != 0)
3894 			warnx("elf_getdata failed: %s", elf_errmsg(elferr));
3895 		return;
3896 	}
3897 	if (d->d_size == 0)
3898 		return;
3899 
3900 	buf = d->d_buf;
3901 	end = buf + d->d_size;
3902 	while (buf + sizeof(Elf_Verneed) <= end) {
3903 		vn = (Elf_Verneed *) (uintptr_t) buf;
3904 		if (dump) {
3905 			printf("  0x%4.4lx", (unsigned long)
3906 			    (buf - (uint8_t *)d->d_buf));
3907 			printf(" vn_version: %u vn_file: %s vn_cnt: %u\n",
3908 			    vn->vn_version,
3909 			    get_string(re, s->link, vn->vn_file),
3910 			    vn->vn_cnt);
3911 		}
3912 		buf2 = buf + vn->vn_aux;
3913 		j = 0;
3914 		while (buf2 + sizeof(Elf_Vernaux) <= end && j < vn->vn_cnt) {
3915 			vna = (Elf32_Vernaux *) (uintptr_t) buf2;
3916 			if (dump)
3917 				printf("  0x%4.4lx", (unsigned long)
3918 				    (buf2 - (uint8_t *)d->d_buf));
3919 			name = get_string(re, s->link, vna->vna_name);
3920 			if (dump)
3921 				printf("   vna_name: %s vna_flags: %u"
3922 				    " vna_other: %u\n", name,
3923 				    vna->vna_flags, vna->vna_other);
3924 			SAVE_VERSION_NAME((int)vna->vna_other, name, 0);
3925 			if (vna->vna_next == 0)
3926 				break;
3927 			buf2 += vna->vna_next;
3928 			j++;
3929 		}
3930 		if (vn->vn_next == 0)
3931 			break;
3932 		buf += vn->vn_next;
3933 	}
3934 }
3935 
3936 static void
3937 dump_versym(struct readelf *re)
3938 {
3939 	int i;
3940 
3941 	if (re->vs_s == NULL || re->ver == NULL || re->vs == NULL)
3942 		return;
3943 	printf("\nVersion symbol section (%s):\n", re->vs_s->name);
3944 	for (i = 0; i < re->vs_sz; i++) {
3945 		if ((i & 3) == 0) {
3946 			if (i > 0)
3947 				putchar('\n');
3948 			printf("  %03x:", i);
3949 		}
3950 		if (re->vs[i] & 0x8000)
3951 			printf(" %3xh %-12s ", re->vs[i] & 0x7fff,
3952 			    re->ver[re->vs[i] & 0x7fff].name);
3953 		else
3954 			printf(" %3x %-12s ", re->vs[i],
3955 			    re->ver[re->vs[i]].name);
3956 	}
3957 	putchar('\n');
3958 }
3959 
3960 static void
3961 dump_ver(struct readelf *re)
3962 {
3963 
3964 	if (re->vs_s && re->ver && re->vs)
3965 		dump_versym(re);
3966 	if (re->vd_s)
3967 		dump_verdef(re, 1);
3968 	if (re->vn_s)
3969 		dump_verneed(re, 1);
3970 }
3971 
3972 static void
3973 search_ver(struct readelf *re)
3974 {
3975 	struct section *s;
3976 	Elf_Data *d;
3977 	int elferr, i;
3978 
3979 	for (i = 0; (size_t) i < re->shnum; i++) {
3980 		s = &re->sl[i];
3981 		if (s->type == SHT_SUNW_versym)
3982 			re->vs_s = s;
3983 		if (s->type == SHT_SUNW_verneed)
3984 			re->vn_s = s;
3985 		if (s->type == SHT_SUNW_verdef)
3986 			re->vd_s = s;
3987 	}
3988 	if (re->vd_s)
3989 		dump_verdef(re, 0);
3990 	if (re->vn_s)
3991 		dump_verneed(re, 0);
3992 	if (re->vs_s && re->ver != NULL) {
3993 		(void) elf_errno();
3994 		if ((d = elf_getdata(re->vs_s->scn, NULL)) == NULL) {
3995 			elferr = elf_errno();
3996 			if (elferr != 0)
3997 				warnx("elf_getdata failed: %s",
3998 				    elf_errmsg(elferr));
3999 			return;
4000 		}
4001 		if (d->d_size == 0)
4002 			return;
4003 		re->vs = d->d_buf;
4004 		re->vs_sz = d->d_size / sizeof(Elf32_Half);
4005 	}
4006 }
4007 
4008 #undef	Elf_Verdef
4009 #undef	Elf_Verdaux
4010 #undef	Elf_Verneed
4011 #undef	Elf_Vernaux
4012 #undef	SAVE_VERSION_NAME
4013 
4014 /*
4015  * Elf32_Lib and Elf64_Lib are identical.
4016  */
4017 #define	Elf_Lib		Elf32_Lib
4018 
4019 static void
4020 dump_liblist(struct readelf *re)
4021 {
4022 	struct section *s;
4023 	struct tm *t;
4024 	time_t ti;
4025 	char tbuf[20];
4026 	Elf_Data *d;
4027 	Elf_Lib *lib;
4028 	int i, j, k, elferr, first, len;
4029 
4030 	for (i = 0; (size_t) i < re->shnum; i++) {
4031 		s = &re->sl[i];
4032 		if (s->type != SHT_GNU_LIBLIST)
4033 			continue;
4034 		(void) elf_errno();
4035 		if ((d = elf_getdata(s->scn, NULL)) == NULL) {
4036 			elferr = elf_errno();
4037 			if (elferr != 0)
4038 				warnx("elf_getdata failed: %s",
4039 				    elf_errmsg(elferr));
4040 			continue;
4041 		}
4042 		if (d->d_size <= 0)
4043 			continue;
4044 		lib = d->d_buf;
4045 		if (!get_ent_count(s, &len))
4046 			continue;
4047 		printf("\nLibrary list section '%s' ", s->name);
4048 		printf("contains %d entries:\n", len);
4049 		printf("%12s%24s%18s%10s%6s\n", "Library", "Time Stamp",
4050 		    "Checksum", "Version", "Flags");
4051 		for (j = 0; (uint64_t) j < s->sz / s->entsize; j++) {
4052 			printf("%3d: ", j);
4053 			printf("%-20.20s ",
4054 			    get_string(re, s->link, lib->l_name));
4055 			ti = lib->l_time_stamp;
4056 			t = gmtime(&ti);
4057 			snprintf(tbuf, sizeof(tbuf), "%04d-%02d-%02dT%02d:%02d"
4058 			    ":%2d", t->tm_year + 1900, t->tm_mon + 1,
4059 			    t->tm_mday, t->tm_hour, t->tm_min, t->tm_sec);
4060 			printf("%-19.19s ", tbuf);
4061 			printf("0x%08x ", lib->l_checksum);
4062 			printf("%-7d %#x", lib->l_version, lib->l_flags);
4063 			if (lib->l_flags != 0) {
4064 				first = 1;
4065 				putchar('(');
4066 				for (k = 0; l_flag[k].name != NULL; k++) {
4067 					if ((l_flag[k].value & lib->l_flags) ==
4068 					    0)
4069 						continue;
4070 					if (!first)
4071 						putchar(',');
4072 					else
4073 						first = 0;
4074 					printf("%s", l_flag[k].name);
4075 				}
4076 				putchar(')');
4077 			}
4078 			putchar('\n');
4079 			lib++;
4080 		}
4081 	}
4082 }
4083 
4084 #undef Elf_Lib
4085 
4086 static void
4087 dump_section_groups(struct readelf *re)
4088 {
4089 	struct section *s;
4090 	const char *symname;
4091 	Elf_Data *d;
4092 	uint32_t *w;
4093 	int i, j, elferr;
4094 	size_t n;
4095 
4096 	for (i = 0; (size_t) i < re->shnum; i++) {
4097 		s = &re->sl[i];
4098 		if (s->type != SHT_GROUP)
4099 			continue;
4100 		(void) elf_errno();
4101 		if ((d = elf_getdata(s->scn, NULL)) == NULL) {
4102 			elferr = elf_errno();
4103 			if (elferr != 0)
4104 				warnx("elf_getdata failed: %s",
4105 				    elf_errmsg(elferr));
4106 			continue;
4107 		}
4108 		if (d->d_size <= 0)
4109 			continue;
4110 
4111 		w = d->d_buf;
4112 
4113 		/* We only support COMDAT section. */
4114 #ifndef GRP_COMDAT
4115 #define	GRP_COMDAT 0x1
4116 #endif
4117 		if ((*w++ & GRP_COMDAT) == 0)
4118 			return;
4119 
4120 		if (s->entsize == 0)
4121 			s->entsize = 4;
4122 
4123 		symname = get_symbol_name(re, s->link, s->info);
4124 		n = s->sz / s->entsize;
4125 		if (n-- < 1)
4126 			return;
4127 
4128 		printf("\nCOMDAT group section [%5d] `%s' [%s] contains %ju"
4129 		    " sections:\n", i, s->name, symname, (uintmax_t)n);
4130 		printf("   %-10.10s %s\n", "[Index]", "Name");
4131 		for (j = 0; (size_t) j < n; j++, w++) {
4132 			if (*w >= re->shnum) {
4133 				warnx("invalid section index: %u", *w);
4134 				continue;
4135 			}
4136 			printf("   [%5u]   %s\n", *w, re->sl[*w].name);
4137 		}
4138 	}
4139 }
4140 
4141 static uint8_t *
4142 dump_unknown_tag(uint64_t tag, uint8_t *p)
4143 {
4144 	uint64_t val;
4145 
4146 	/*
4147 	 * According to ARM EABI: For tags > 32, even numbered tags have
4148 	 * a ULEB128 param and odd numbered ones have NUL-terminated
4149 	 * string param. This rule probably also applies for tags <= 32
4150 	 * if the object arch is not ARM.
4151 	 */
4152 
4153 	printf("  Tag_unknown_%ju: ", (uintmax_t) tag);
4154 
4155 	if (tag & 1) {
4156 		printf("%s\n", (char *) p);
4157 		p += strlen((char *) p) + 1;
4158 	} else {
4159 		val = _decode_uleb128(&p);
4160 		printf("%ju\n", (uintmax_t) val);
4161 	}
4162 
4163 	return (p);
4164 }
4165 
4166 static uint8_t *
4167 dump_compatibility_tag(uint8_t *p)
4168 {
4169 	uint64_t val;
4170 
4171 	val = _decode_uleb128(&p);
4172 	printf("flag = %ju, vendor = %s\n", val, p);
4173 	p += strlen((char *) p) + 1;
4174 
4175 	return (p);
4176 }
4177 
4178 static void
4179 dump_arm_attributes(struct readelf *re, uint8_t *p, uint8_t *pe)
4180 {
4181 	uint64_t tag, val;
4182 	size_t i;
4183 	int found, desc;
4184 
4185 	(void) re;
4186 
4187 	while (p < pe) {
4188 		tag = _decode_uleb128(&p);
4189 		found = desc = 0;
4190 		for (i = 0; i < sizeof(aeabi_tags) / sizeof(aeabi_tags[0]);
4191 		     i++) {
4192 			if (tag == aeabi_tags[i].tag) {
4193 				found = 1;
4194 				printf("  %s: ", aeabi_tags[i].s_tag);
4195 				if (aeabi_tags[i].get_desc) {
4196 					desc = 1;
4197 					val = _decode_uleb128(&p);
4198 					printf("%s\n",
4199 					    aeabi_tags[i].get_desc(val));
4200 				}
4201 				break;
4202 			}
4203 			if (tag < aeabi_tags[i].tag)
4204 				break;
4205 		}
4206 		if (!found) {
4207 			p = dump_unknown_tag(tag, p);
4208 			continue;
4209 		}
4210 		if (desc)
4211 			continue;
4212 
4213 		switch (tag) {
4214 		case 4:		/* Tag_CPU_raw_name */
4215 		case 5:		/* Tag_CPU_name */
4216 		case 67:	/* Tag_conformance */
4217 			printf("%s\n", (char *) p);
4218 			p += strlen((char *) p) + 1;
4219 			break;
4220 		case 32:	/* Tag_compatibility */
4221 			p = dump_compatibility_tag(p);
4222 			break;
4223 		case 64:	/* Tag_nodefaults */
4224 			/* ignored, written as 0. */
4225 			(void) _decode_uleb128(&p);
4226 			printf("True\n");
4227 			break;
4228 		case 65:	/* Tag_also_compatible_with */
4229 			val = _decode_uleb128(&p);
4230 			/* Must be Tag_CPU_arch */
4231 			if (val != 6) {
4232 				printf("unknown\n");
4233 				break;
4234 			}
4235 			val = _decode_uleb128(&p);
4236 			printf("%s\n", aeabi_cpu_arch(val));
4237 			/* Skip NUL terminator. */
4238 			p++;
4239 			break;
4240 		default:
4241 			putchar('\n');
4242 			break;
4243 		}
4244 	}
4245 }
4246 
4247 #ifndef	Tag_GNU_MIPS_ABI_FP
4248 #define	Tag_GNU_MIPS_ABI_FP	4
4249 #endif
4250 
4251 static void
4252 dump_mips_attributes(struct readelf *re, uint8_t *p, uint8_t *pe)
4253 {
4254 	uint64_t tag, val;
4255 
4256 	(void) re;
4257 
4258 	while (p < pe) {
4259 		tag = _decode_uleb128(&p);
4260 		switch (tag) {
4261 		case Tag_GNU_MIPS_ABI_FP:
4262 			val = _decode_uleb128(&p);
4263 			printf("  Tag_GNU_MIPS_ABI_FP: %s\n", mips_abi_fp(val));
4264 			break;
4265 		case 32:	/* Tag_compatibility */
4266 			p = dump_compatibility_tag(p);
4267 			break;
4268 		default:
4269 			p = dump_unknown_tag(tag, p);
4270 			break;
4271 		}
4272 	}
4273 }
4274 
4275 #ifndef Tag_GNU_Power_ABI_FP
4276 #define	Tag_GNU_Power_ABI_FP	4
4277 #endif
4278 
4279 #ifndef Tag_GNU_Power_ABI_Vector
4280 #define	Tag_GNU_Power_ABI_Vector	8
4281 #endif
4282 
4283 static void
4284 dump_ppc_attributes(uint8_t *p, uint8_t *pe)
4285 {
4286 	uint64_t tag, val;
4287 
4288 	while (p < pe) {
4289 		tag = _decode_uleb128(&p);
4290 		switch (tag) {
4291 		case Tag_GNU_Power_ABI_FP:
4292 			val = _decode_uleb128(&p);
4293 			printf("  Tag_GNU_Power_ABI_FP: %s\n", ppc_abi_fp(val));
4294 			break;
4295 		case Tag_GNU_Power_ABI_Vector:
4296 			val = _decode_uleb128(&p);
4297 			printf("  Tag_GNU_Power_ABI_Vector: %s\n",
4298 			    ppc_abi_vector(val));
4299 			break;
4300 		case 32:	/* Tag_compatibility */
4301 			p = dump_compatibility_tag(p);
4302 			break;
4303 		default:
4304 			p = dump_unknown_tag(tag, p);
4305 			break;
4306 		}
4307 	}
4308 }
4309 
4310 static void
4311 dump_attributes(struct readelf *re)
4312 {
4313 	struct section *s;
4314 	Elf_Data *d;
4315 	uint8_t *p, *sp;
4316 	size_t len, seclen, nlen, sublen;
4317 	uint64_t val;
4318 	int tag, i, elferr;
4319 
4320 	for (i = 0; (size_t) i < re->shnum; i++) {
4321 		s = &re->sl[i];
4322 		if (s->type != SHT_GNU_ATTRIBUTES &&
4323 		    (re->ehdr.e_machine != EM_ARM || s->type != SHT_LOPROC + 3))
4324 			continue;
4325 		(void) elf_errno();
4326 		if ((d = elf_rawdata(s->scn, NULL)) == NULL) {
4327 			elferr = elf_errno();
4328 			if (elferr != 0)
4329 				warnx("elf_rawdata failed: %s",
4330 				    elf_errmsg(elferr));
4331 			continue;
4332 		}
4333 		if (d->d_size <= 0)
4334 			continue;
4335 		p = d->d_buf;
4336 		if (*p != 'A') {
4337 			printf("Unknown Attribute Section Format: %c\n",
4338 			    (char) *p);
4339 			continue;
4340 		}
4341 		len = d->d_size - 1;
4342 		p++;
4343 		while (len > 0) {
4344 			if (len < 4) {
4345 				warnx("truncated attribute section length");
4346 				break;
4347 			}
4348 			seclen = re->dw_decode(&p, 4);
4349 			if (seclen > len) {
4350 				warnx("invalid attribute section length");
4351 				break;
4352 			}
4353 			len -= seclen;
4354 			nlen = strlen((char *) p) + 1;
4355 			if (nlen + 4 > seclen) {
4356 				warnx("invalid attribute section name");
4357 				break;
4358 			}
4359 			printf("Attribute Section: %s\n", (char *) p);
4360 			p += nlen;
4361 			seclen -= nlen + 4;
4362 			while (seclen > 0) {
4363 				sp = p;
4364 				tag = *p++;
4365 				sublen = re->dw_decode(&p, 4);
4366 				if (sublen > seclen) {
4367 					warnx("invalid attribute sub-section"
4368 					    " length");
4369 					break;
4370 				}
4371 				seclen -= sublen;
4372 				printf("%s", top_tag(tag));
4373 				if (tag == 2 || tag == 3) {
4374 					putchar(':');
4375 					for (;;) {
4376 						val = _decode_uleb128(&p);
4377 						if (val == 0)
4378 							break;
4379 						printf(" %ju", (uintmax_t) val);
4380 					}
4381 				}
4382 				putchar('\n');
4383 				if (re->ehdr.e_machine == EM_ARM &&
4384 				    s->type == SHT_LOPROC + 3)
4385 					dump_arm_attributes(re, p, sp + sublen);
4386 				else if (re->ehdr.e_machine == EM_MIPS ||
4387 				    re->ehdr.e_machine == EM_MIPS_RS3_LE)
4388 					dump_mips_attributes(re, p,
4389 					    sp + sublen);
4390 				else if (re->ehdr.e_machine == EM_PPC)
4391 					dump_ppc_attributes(p, sp + sublen);
4392 				p = sp + sublen;
4393 			}
4394 		}
4395 	}
4396 }
4397 
4398 static void
4399 dump_mips_specific_info(struct readelf *re)
4400 {
4401 	struct section *s;
4402 	int i, options_found;
4403 
4404 	options_found = 0;
4405 	s = NULL;
4406 	for (i = 0; (size_t) i < re->shnum; i++) {
4407 		s = &re->sl[i];
4408 		if (s->name != NULL && (!strcmp(s->name, ".MIPS.options") ||
4409 		    (s->type == SHT_MIPS_OPTIONS))) {
4410 			dump_mips_options(re, s);
4411 			options_found = 1;
4412 		}
4413 	}
4414 
4415 	/*
4416 	 * According to SGI mips64 spec, .reginfo should be ignored if
4417 	 * .MIPS.options section is present.
4418 	 */
4419 	if (!options_found) {
4420 		for (i = 0; (size_t) i < re->shnum; i++) {
4421 			s = &re->sl[i];
4422 			if (s->name != NULL && (!strcmp(s->name, ".reginfo") ||
4423 			    (s->type == SHT_MIPS_REGINFO)))
4424 				dump_mips_reginfo(re, s);
4425 		}
4426 	}
4427 }
4428 
4429 static void
4430 dump_mips_reginfo(struct readelf *re, struct section *s)
4431 {
4432 	Elf_Data *d;
4433 	int elferr, len;
4434 
4435 	(void) elf_errno();
4436 	if ((d = elf_rawdata(s->scn, NULL)) == NULL) {
4437 		elferr = elf_errno();
4438 		if (elferr != 0)
4439 			warnx("elf_rawdata failed: %s",
4440 			    elf_errmsg(elferr));
4441 		return;
4442 	}
4443 	if (d->d_size <= 0)
4444 		return;
4445 	if (!get_ent_count(s, &len))
4446 		return;
4447 
4448 	printf("\nSection '%s' contains %d entries:\n", s->name, len);
4449 	dump_mips_odk_reginfo(re, d->d_buf, d->d_size);
4450 }
4451 
4452 static void
4453 dump_mips_options(struct readelf *re, struct section *s)
4454 {
4455 	Elf_Data *d;
4456 	uint32_t info;
4457 	uint16_t sndx;
4458 	uint8_t *p, *pe;
4459 	uint8_t kind, size;
4460 	int elferr;
4461 
4462 	(void) elf_errno();
4463 	if ((d = elf_rawdata(s->scn, NULL)) == NULL) {
4464 		elferr = elf_errno();
4465 		if (elferr != 0)
4466 			warnx("elf_rawdata failed: %s",
4467 			    elf_errmsg(elferr));
4468 		return;
4469 	}
4470 	if (d->d_size == 0)
4471 		return;
4472 
4473 	printf("\nSection %s contains:\n", s->name);
4474 	p = d->d_buf;
4475 	pe = p + d->d_size;
4476 	while (p < pe) {
4477 		if (pe - p < 8) {
4478 			warnx("Truncated MIPS option header");
4479 			return;
4480 		}
4481 		kind = re->dw_decode(&p, 1);
4482 		size = re->dw_decode(&p, 1);
4483 		sndx = re->dw_decode(&p, 2);
4484 		info = re->dw_decode(&p, 4);
4485 		if (size < 8 || size - 8 > pe - p) {
4486 			warnx("Malformed MIPS option header");
4487 			return;
4488 		}
4489 		size -= 8;
4490 		switch (kind) {
4491 		case ODK_REGINFO:
4492 			dump_mips_odk_reginfo(re, p, size);
4493 			break;
4494 		case ODK_EXCEPTIONS:
4495 			printf(" EXCEPTIONS FPU_MIN: %#x\n",
4496 			    info & OEX_FPU_MIN);
4497 			printf("%11.11s FPU_MAX: %#x\n", "",
4498 			    info & OEX_FPU_MAX);
4499 			dump_mips_option_flags("", mips_exceptions_option,
4500 			    info);
4501 			break;
4502 		case ODK_PAD:
4503 			printf(" %-10.10s section: %ju\n", "OPAD",
4504 			    (uintmax_t) sndx);
4505 			dump_mips_option_flags("", mips_pad_option, info);
4506 			break;
4507 		case ODK_HWPATCH:
4508 			dump_mips_option_flags("HWPATCH", mips_hwpatch_option,
4509 			    info);
4510 			break;
4511 		case ODK_HWAND:
4512 			dump_mips_option_flags("HWAND", mips_hwa_option, info);
4513 			break;
4514 		case ODK_HWOR:
4515 			dump_mips_option_flags("HWOR", mips_hwo_option, info);
4516 			break;
4517 		case ODK_FILL:
4518 			printf(" %-10.10s %#jx\n", "FILL", (uintmax_t) info);
4519 			break;
4520 		case ODK_TAGS:
4521 			printf(" %-10.10s\n", "TAGS");
4522 			break;
4523 		case ODK_GP_GROUP:
4524 			printf(" %-10.10s GP group number: %#x\n", "GP_GROUP",
4525 			    info & 0xFFFF);
4526 			if (info & 0x10000)
4527 				printf(" %-10.10s GP group is "
4528 				    "self-contained\n", "");
4529 			break;
4530 		case ODK_IDENT:
4531 			printf(" %-10.10s default GP group number: %#x\n",
4532 			    "IDENT", info & 0xFFFF);
4533 			if (info & 0x10000)
4534 				printf(" %-10.10s default GP group is "
4535 				    "self-contained\n", "");
4536 			break;
4537 		case ODK_PAGESIZE:
4538 			printf(" %-10.10s\n", "PAGESIZE");
4539 			break;
4540 		default:
4541 			break;
4542 		}
4543 		p += size;
4544 	}
4545 }
4546 
4547 static void
4548 dump_mips_option_flags(const char *name, struct mips_option *opt, uint64_t info)
4549 {
4550 	int first;
4551 
4552 	first = 1;
4553 	for (; opt->desc != NULL; opt++) {
4554 		if (info & opt->flag) {
4555 			printf(" %-10.10s %s\n", first ? name : "",
4556 			    opt->desc);
4557 			first = 0;
4558 		}
4559 	}
4560 }
4561 
4562 static void
4563 dump_mips_odk_reginfo(struct readelf *re, uint8_t *p, size_t sz)
4564 {
4565 	uint32_t ri_gprmask;
4566 	uint32_t ri_cprmask[4];
4567 	uint64_t ri_gp_value;
4568 	uint8_t *pe;
4569 	int i;
4570 
4571 	pe = p + sz;
4572 	while (p < pe) {
4573 		ri_gprmask = re->dw_decode(&p, 4);
4574 		/* Skip ri_pad padding field for mips64. */
4575 		if (re->ec == ELFCLASS64)
4576 			re->dw_decode(&p, 4);
4577 		for (i = 0; i < 4; i++)
4578 			ri_cprmask[i] = re->dw_decode(&p, 4);
4579 		if (re->ec == ELFCLASS32)
4580 			ri_gp_value = re->dw_decode(&p, 4);
4581 		else
4582 			ri_gp_value = re->dw_decode(&p, 8);
4583 		printf(" %s    ", option_kind(ODK_REGINFO));
4584 		printf("ri_gprmask:    0x%08jx\n", (uintmax_t) ri_gprmask);
4585 		for (i = 0; i < 4; i++)
4586 			printf("%11.11s ri_cprmask[%d]: 0x%08jx\n", "", i,
4587 			    (uintmax_t) ri_cprmask[i]);
4588 		printf("%12.12s", "");
4589 		printf("ri_gp_value:   %#jx\n", (uintmax_t) ri_gp_value);
4590 	}
4591 }
4592 
4593 static void
4594 dump_arch_specific_info(struct readelf *re)
4595 {
4596 
4597 	dump_liblist(re);
4598 	dump_attributes(re);
4599 
4600 	switch (re->ehdr.e_machine) {
4601 	case EM_MIPS:
4602 	case EM_MIPS_RS3_LE:
4603 		dump_mips_specific_info(re);
4604 	default:
4605 		break;
4606 	}
4607 }
4608 
4609 static const char *
4610 dwarf_regname(struct readelf *re, unsigned int num)
4611 {
4612 	static char rx[32];
4613 	const char *rn;
4614 
4615 	if ((rn = dwarf_reg(re->ehdr.e_machine, num)) != NULL)
4616 		return (rn);
4617 
4618 	snprintf(rx, sizeof(rx), "r%u", num);
4619 
4620 	return (rx);
4621 }
4622 
4623 static void
4624 dump_dwarf_line(struct readelf *re)
4625 {
4626 	struct section *s;
4627 	Dwarf_Die die;
4628 	Dwarf_Error de;
4629 	Dwarf_Half tag, version, pointer_size;
4630 	Dwarf_Unsigned offset, endoff, length, hdrlen, dirndx, mtime, fsize;
4631 	Dwarf_Small minlen, defstmt, lrange, opbase, oplen;
4632 	Elf_Data *d;
4633 	char *pn;
4634 	uint64_t address, file, line, column, isa, opsize, udelta;
4635 	int64_t sdelta;
4636 	uint8_t *p, *pe;
4637 	int8_t lbase;
4638 	int i, is_stmt, dwarf_size, elferr, ret;
4639 
4640 	printf("\nDump of debug contents of section .debug_line:\n");
4641 
4642 	s = NULL;
4643 	for (i = 0; (size_t) i < re->shnum; i++) {
4644 		s = &re->sl[i];
4645 		if (s->name != NULL && !strcmp(s->name, ".debug_line"))
4646 			break;
4647 	}
4648 	if ((size_t) i >= re->shnum)
4649 		return;
4650 
4651 	(void) elf_errno();
4652 	if ((d = elf_getdata(s->scn, NULL)) == NULL) {
4653 		elferr = elf_errno();
4654 		if (elferr != 0)
4655 			warnx("elf_getdata failed: %s", elf_errmsg(-1));
4656 		return;
4657 	}
4658 	if (d->d_size <= 0)
4659 		return;
4660 
4661 	while ((ret = dwarf_next_cu_header(re->dbg, NULL, NULL, NULL, NULL,
4662 	    NULL, &de)) ==  DW_DLV_OK) {
4663 		die = NULL;
4664 		while (dwarf_siblingof(re->dbg, die, &die, &de) == DW_DLV_OK) {
4665 			if (dwarf_tag(die, &tag, &de) != DW_DLV_OK) {
4666 				warnx("dwarf_tag failed: %s",
4667 				    dwarf_errmsg(de));
4668 				return;
4669 			}
4670 			/* XXX: What about DW_TAG_partial_unit? */
4671 			if (tag == DW_TAG_compile_unit)
4672 				break;
4673 		}
4674 		if (die == NULL) {
4675 			warnx("could not find DW_TAG_compile_unit die");
4676 			return;
4677 		}
4678 		if (dwarf_attrval_unsigned(die, DW_AT_stmt_list, &offset,
4679 		    &de) != DW_DLV_OK)
4680 			continue;
4681 
4682 		length = re->dw_read(d, &offset, 4);
4683 		if (length == 0xffffffff) {
4684 			dwarf_size = 8;
4685 			length = re->dw_read(d, &offset, 8);
4686 		} else
4687 			dwarf_size = 4;
4688 
4689 		if (length > d->d_size - offset) {
4690 			warnx("invalid .dwarf_line section");
4691 			continue;
4692 		}
4693 
4694 		endoff = offset + length;
4695 		version = re->dw_read(d, &offset, 2);
4696 		hdrlen = re->dw_read(d, &offset, dwarf_size);
4697 		minlen = re->dw_read(d, &offset, 1);
4698 		defstmt = re->dw_read(d, &offset, 1);
4699 		lbase = re->dw_read(d, &offset, 1);
4700 		lrange = re->dw_read(d, &offset, 1);
4701 		opbase = re->dw_read(d, &offset, 1);
4702 
4703 		printf("\n");
4704 		printf("  Length:\t\t\t%ju\n", (uintmax_t) length);
4705 		printf("  DWARF version:\t\t%u\n", version);
4706 		printf("  Prologue Length:\t\t%ju\n", (uintmax_t) hdrlen);
4707 		printf("  Minimum Instruction Length:\t%u\n", minlen);
4708 		printf("  Initial value of 'is_stmt':\t%u\n", defstmt);
4709 		printf("  Line Base:\t\t\t%d\n", lbase);
4710 		printf("  Line Range:\t\t\t%u\n", lrange);
4711 		printf("  Opcode Base:\t\t\t%u\n", opbase);
4712 		(void) dwarf_get_address_size(re->dbg, &pointer_size, &de);
4713 		printf("  (Pointer size:\t\t%u)\n", pointer_size);
4714 
4715 		printf("\n");
4716 		printf(" Opcodes:\n");
4717 		for (i = 1; i < opbase; i++) {
4718 			oplen = re->dw_read(d, &offset, 1);
4719 			printf("  Opcode %d has %u args\n", i, oplen);
4720 		}
4721 
4722 		printf("\n");
4723 		printf(" The Directory Table:\n");
4724 		p = (uint8_t *) d->d_buf + offset;
4725 		while (*p != '\0') {
4726 			printf("  %s\n", (char *) p);
4727 			p += strlen((char *) p) + 1;
4728 		}
4729 
4730 		p++;
4731 		printf("\n");
4732 		printf(" The File Name Table:\n");
4733 		printf("  Entry\tDir\tTime\tSize\tName\n");
4734 		i = 0;
4735 		while (*p != '\0') {
4736 			i++;
4737 			pn = (char *) p;
4738 			p += strlen(pn) + 1;
4739 			dirndx = _decode_uleb128(&p);
4740 			mtime = _decode_uleb128(&p);
4741 			fsize = _decode_uleb128(&p);
4742 			printf("  %d\t%ju\t%ju\t%ju\t%s\n", i,
4743 			    (uintmax_t) dirndx, (uintmax_t) mtime,
4744 			    (uintmax_t) fsize, pn);
4745 		}
4746 
4747 #define	RESET_REGISTERS						\
4748 	do {							\
4749 		address	       = 0;				\
4750 		file	       = 1;				\
4751 		line	       = 1;				\
4752 		column	       = 0;				\
4753 		is_stmt	       = defstmt;			\
4754 	} while(0)
4755 
4756 #define	LINE(x) (lbase + (((x) - opbase) % lrange))
4757 #define	ADDRESS(x) ((((x) - opbase) / lrange) * minlen)
4758 
4759 		p++;
4760 		pe = (uint8_t *) d->d_buf + endoff;
4761 		printf("\n");
4762 		printf(" Line Number Statements:\n");
4763 
4764 		RESET_REGISTERS;
4765 
4766 		while (p < pe) {
4767 
4768 			if (*p == 0) {
4769 				/*
4770 				 * Extended Opcodes.
4771 				 */
4772 				p++;
4773 				opsize = _decode_uleb128(&p);
4774 				printf("  Extended opcode %u: ", *p);
4775 				switch (*p) {
4776 				case DW_LNE_end_sequence:
4777 					p++;
4778 					RESET_REGISTERS;
4779 					printf("End of Sequence\n");
4780 					break;
4781 				case DW_LNE_set_address:
4782 					p++;
4783 					address = re->dw_decode(&p,
4784 					    pointer_size);
4785 					printf("set Address to %#jx\n",
4786 					    (uintmax_t) address);
4787 					break;
4788 				case DW_LNE_define_file:
4789 					p++;
4790 					pn = (char *) p;
4791 					p += strlen(pn) + 1;
4792 					dirndx = _decode_uleb128(&p);
4793 					mtime = _decode_uleb128(&p);
4794 					fsize = _decode_uleb128(&p);
4795 					printf("define new file: %s\n", pn);
4796 					break;
4797 				default:
4798 					/* Unrecognized extened opcodes. */
4799 					p += opsize;
4800 					printf("unknown opcode\n");
4801 				}
4802 			} else if (*p > 0 && *p < opbase) {
4803 				/*
4804 				 * Standard Opcodes.
4805 				 */
4806 				switch(*p++) {
4807 				case DW_LNS_copy:
4808 					printf("  Copy\n");
4809 					break;
4810 				case DW_LNS_advance_pc:
4811 					udelta = _decode_uleb128(&p) *
4812 					    minlen;
4813 					address += udelta;
4814 					printf("  Advance PC by %ju to %#jx\n",
4815 					    (uintmax_t) udelta,
4816 					    (uintmax_t) address);
4817 					break;
4818 				case DW_LNS_advance_line:
4819 					sdelta = _decode_sleb128(&p);
4820 					line += sdelta;
4821 					printf("  Advance Line by %jd to %ju\n",
4822 					    (intmax_t) sdelta,
4823 					    (uintmax_t) line);
4824 					break;
4825 				case DW_LNS_set_file:
4826 					file = _decode_uleb128(&p);
4827 					printf("  Set File to %ju\n",
4828 					    (uintmax_t) file);
4829 					break;
4830 				case DW_LNS_set_column:
4831 					column = _decode_uleb128(&p);
4832 					printf("  Set Column to %ju\n",
4833 					    (uintmax_t) column);
4834 					break;
4835 				case DW_LNS_negate_stmt:
4836 					is_stmt = !is_stmt;
4837 					printf("  Set is_stmt to %d\n", is_stmt);
4838 					break;
4839 				case DW_LNS_set_basic_block:
4840 					printf("  Set basic block flag\n");
4841 					break;
4842 				case DW_LNS_const_add_pc:
4843 					address += ADDRESS(255);
4844 					printf("  Advance PC by constant %ju"
4845 					    " to %#jx\n",
4846 					    (uintmax_t) ADDRESS(255),
4847 					    (uintmax_t) address);
4848 					break;
4849 				case DW_LNS_fixed_advance_pc:
4850 					udelta = re->dw_decode(&p, 2);
4851 					address += udelta;
4852 					printf("  Advance PC by fixed value "
4853 					    "%ju to %#jx\n",
4854 					    (uintmax_t) udelta,
4855 					    (uintmax_t) address);
4856 					break;
4857 				case DW_LNS_set_prologue_end:
4858 					printf("  Set prologue end flag\n");
4859 					break;
4860 				case DW_LNS_set_epilogue_begin:
4861 					printf("  Set epilogue begin flag\n");
4862 					break;
4863 				case DW_LNS_set_isa:
4864 					isa = _decode_uleb128(&p);
4865 					printf("  Set isa to %ju\n", isa);
4866 					break;
4867 				default:
4868 					/* Unrecognized extended opcodes. */
4869 					printf("  Unknown extended opcode %u\n",
4870 					    *(p - 1));
4871 					break;
4872 				}
4873 
4874 			} else {
4875 				/*
4876 				 * Special Opcodes.
4877 				 */
4878 				line += LINE(*p);
4879 				address += ADDRESS(*p);
4880 				printf("  Special opcode %u: advance Address "
4881 				    "by %ju to %#jx and Line by %jd to %ju\n",
4882 				    *p - opbase, (uintmax_t) ADDRESS(*p),
4883 				    (uintmax_t) address, (intmax_t) LINE(*p),
4884 				    (uintmax_t) line);
4885 				p++;
4886 			}
4887 
4888 
4889 		}
4890 	}
4891 	if (ret == DW_DLV_ERROR)
4892 		warnx("dwarf_next_cu_header: %s", dwarf_errmsg(de));
4893 
4894 #undef	RESET_REGISTERS
4895 #undef	LINE
4896 #undef	ADDRESS
4897 }
4898 
4899 static void
4900 dump_dwarf_line_decoded(struct readelf *re)
4901 {
4902 	Dwarf_Die die;
4903 	Dwarf_Line *linebuf, ln;
4904 	Dwarf_Addr lineaddr;
4905 	Dwarf_Signed linecount, srccount;
4906 	Dwarf_Unsigned lineno, fn;
4907 	Dwarf_Error de;
4908 	const char *dir, *file;
4909 	char **srcfiles;
4910 	int i, ret;
4911 
4912 	printf("Decoded dump of debug contents of section .debug_line:\n\n");
4913 	while ((ret = dwarf_next_cu_header(re->dbg, NULL, NULL, NULL, NULL,
4914 	    NULL, &de)) == DW_DLV_OK) {
4915 		if (dwarf_siblingof(re->dbg, NULL, &die, &de) != DW_DLV_OK)
4916 			continue;
4917 		if (dwarf_attrval_string(die, DW_AT_name, &file, &de) !=
4918 		    DW_DLV_OK)
4919 			file = NULL;
4920 		if (dwarf_attrval_string(die, DW_AT_comp_dir, &dir, &de) !=
4921 		    DW_DLV_OK)
4922 			dir = NULL;
4923 		printf("CU: ");
4924 		if (dir && file)
4925 			printf("%s/", dir);
4926 		if (file)
4927 			printf("%s", file);
4928 		putchar('\n');
4929 		printf("%-37s %11s   %s\n", "Filename", "Line Number",
4930 		    "Starting Address");
4931 		if (dwarf_srclines(die, &linebuf, &linecount, &de) != DW_DLV_OK)
4932 			continue;
4933 		if (dwarf_srcfiles(die, &srcfiles, &srccount, &de) != DW_DLV_OK)
4934 			continue;
4935 		for (i = 0; i < linecount; i++) {
4936 			ln = linebuf[i];
4937 			if (dwarf_line_srcfileno(ln, &fn, &de) != DW_DLV_OK)
4938 				continue;
4939 			if (dwarf_lineno(ln, &lineno, &de) != DW_DLV_OK)
4940 				continue;
4941 			if (dwarf_lineaddr(ln, &lineaddr, &de) != DW_DLV_OK)
4942 				continue;
4943 			printf("%-37s %11ju %#18jx\n",
4944 			    basename(srcfiles[fn - 1]), (uintmax_t) lineno,
4945 			    (uintmax_t) lineaddr);
4946 		}
4947 		putchar('\n');
4948 	}
4949 }
4950 
4951 static void
4952 dump_dwarf_die(struct readelf *re, Dwarf_Die die, int level)
4953 {
4954 	Dwarf_Attribute *attr_list;
4955 	Dwarf_Die ret_die;
4956 	Dwarf_Off dieoff, cuoff, culen, attroff;
4957 	Dwarf_Unsigned ate, lang, v_udata, v_sig;
4958 	Dwarf_Signed attr_count, v_sdata;
4959 	Dwarf_Off v_off;
4960 	Dwarf_Addr v_addr;
4961 	Dwarf_Half tag, attr, form;
4962 	Dwarf_Block *v_block;
4963 	Dwarf_Bool v_bool, is_info;
4964 	Dwarf_Sig8 v_sig8;
4965 	Dwarf_Error de;
4966 	Dwarf_Ptr v_expr;
4967 	const char *tag_str, *attr_str, *ate_str, *lang_str;
4968 	char unk_tag[32], unk_attr[32];
4969 	char *v_str;
4970 	uint8_t *b, *p;
4971 	int i, j, abc, ret;
4972 
4973 	if (dwarf_dieoffset(die, &dieoff, &de) != DW_DLV_OK) {
4974 		warnx("dwarf_dieoffset failed: %s", dwarf_errmsg(de));
4975 		goto cont_search;
4976 	}
4977 
4978 	printf(" <%d><%jx>: ", level, (uintmax_t) dieoff);
4979 
4980 	if (dwarf_die_CU_offset_range(die, &cuoff, &culen, &de) != DW_DLV_OK) {
4981 		warnx("dwarf_die_CU_offset_range failed: %s",
4982 		      dwarf_errmsg(de));
4983 		cuoff = 0;
4984 	}
4985 
4986 	abc = dwarf_die_abbrev_code(die);
4987 	if (dwarf_tag(die, &tag, &de) != DW_DLV_OK) {
4988 		warnx("dwarf_tag failed: %s", dwarf_errmsg(de));
4989 		goto cont_search;
4990 	}
4991 	if (dwarf_get_TAG_name(tag, &tag_str) != DW_DLV_OK) {
4992 		snprintf(unk_tag, sizeof(unk_tag), "[Unknown Tag: %#x]", tag);
4993 		tag_str = unk_tag;
4994 	}
4995 
4996 	printf("Abbrev Number: %d (%s)\n", abc, tag_str);
4997 
4998 	if ((ret = dwarf_attrlist(die, &attr_list, &attr_count, &de)) !=
4999 	    DW_DLV_OK) {
5000 		if (ret == DW_DLV_ERROR)
5001 			warnx("dwarf_attrlist failed: %s", dwarf_errmsg(de));
5002 		goto cont_search;
5003 	}
5004 
5005 	for (i = 0; i < attr_count; i++) {
5006 		if (dwarf_whatform(attr_list[i], &form, &de) != DW_DLV_OK) {
5007 			warnx("dwarf_whatform failed: %s", dwarf_errmsg(de));
5008 			continue;
5009 		}
5010 		if (dwarf_whatattr(attr_list[i], &attr, &de) != DW_DLV_OK) {
5011 			warnx("dwarf_whatattr failed: %s", dwarf_errmsg(de));
5012 			continue;
5013 		}
5014 		if (dwarf_get_AT_name(attr, &attr_str) != DW_DLV_OK) {
5015 			snprintf(unk_attr, sizeof(unk_attr),
5016 			    "[Unknown AT: %#x]", attr);
5017 			attr_str = unk_attr;
5018 		}
5019 		if (dwarf_attroffset(attr_list[i], &attroff, &de) !=
5020 		    DW_DLV_OK) {
5021 			warnx("dwarf_attroffset failed: %s", dwarf_errmsg(de));
5022 			attroff = 0;
5023 		}
5024 		printf("    <%jx>   %-18s: ", (uintmax_t) attroff, attr_str);
5025 		switch (form) {
5026 		case DW_FORM_ref_addr:
5027 		case DW_FORM_sec_offset:
5028 			if (dwarf_global_formref(attr_list[i], &v_off, &de) !=
5029 			    DW_DLV_OK) {
5030 				warnx("dwarf_global_formref failed: %s",
5031 				    dwarf_errmsg(de));
5032 				continue;
5033 			}
5034 			if (form == DW_FORM_ref_addr)
5035 				printf("<0x%jx>", (uintmax_t) v_off);
5036 			else
5037 				printf("0x%jx", (uintmax_t) v_off);
5038 			break;
5039 
5040 		case DW_FORM_ref1:
5041 		case DW_FORM_ref2:
5042 		case DW_FORM_ref4:
5043 		case DW_FORM_ref8:
5044 		case DW_FORM_ref_udata:
5045 			if (dwarf_formref(attr_list[i], &v_off, &de) !=
5046 			    DW_DLV_OK) {
5047 				warnx("dwarf_formref failed: %s",
5048 				    dwarf_errmsg(de));
5049 				continue;
5050 			}
5051 			v_off += cuoff;
5052 			printf("<0x%jx>", (uintmax_t) v_off);
5053 			break;
5054 
5055 		case DW_FORM_addr:
5056 			if (dwarf_formaddr(attr_list[i], &v_addr, &de) !=
5057 			    DW_DLV_OK) {
5058 				warnx("dwarf_formaddr failed: %s",
5059 				    dwarf_errmsg(de));
5060 				continue;
5061 			}
5062 			printf("%#jx", (uintmax_t) v_addr);
5063 			break;
5064 
5065 		case DW_FORM_data1:
5066 		case DW_FORM_data2:
5067 		case DW_FORM_data4:
5068 		case DW_FORM_data8:
5069 		case DW_FORM_udata:
5070 			if (dwarf_formudata(attr_list[i], &v_udata, &de) !=
5071 			    DW_DLV_OK) {
5072 				warnx("dwarf_formudata failed: %s",
5073 				    dwarf_errmsg(de));
5074 				continue;
5075 			}
5076 			if (attr == DW_AT_high_pc)
5077 				printf("0x%jx", (uintmax_t) v_udata);
5078 			else
5079 				printf("%ju", (uintmax_t) v_udata);
5080 			break;
5081 
5082 		case DW_FORM_sdata:
5083 			if (dwarf_formsdata(attr_list[i], &v_sdata, &de) !=
5084 			    DW_DLV_OK) {
5085 				warnx("dwarf_formudata failed: %s",
5086 				    dwarf_errmsg(de));
5087 				continue;
5088 			}
5089 			printf("%jd", (intmax_t) v_sdata);
5090 			break;
5091 
5092 		case DW_FORM_flag:
5093 			if (dwarf_formflag(attr_list[i], &v_bool, &de) !=
5094 			    DW_DLV_OK) {
5095 				warnx("dwarf_formflag failed: %s",
5096 				    dwarf_errmsg(de));
5097 				continue;
5098 			}
5099 			printf("%jd", (intmax_t) v_bool);
5100 			break;
5101 
5102 		case DW_FORM_flag_present:
5103 			putchar('1');
5104 			break;
5105 
5106 		case DW_FORM_string:
5107 		case DW_FORM_strp:
5108 			if (dwarf_formstring(attr_list[i], &v_str, &de) !=
5109 			    DW_DLV_OK) {
5110 				warnx("dwarf_formstring failed: %s",
5111 				    dwarf_errmsg(de));
5112 				continue;
5113 			}
5114 			if (form == DW_FORM_string)
5115 				printf("%s", v_str);
5116 			else
5117 				printf("(indirect string) %s", v_str);
5118 			break;
5119 
5120 		case DW_FORM_block:
5121 		case DW_FORM_block1:
5122 		case DW_FORM_block2:
5123 		case DW_FORM_block4:
5124 			if (dwarf_formblock(attr_list[i], &v_block, &de) !=
5125 			    DW_DLV_OK) {
5126 				warnx("dwarf_formblock failed: %s",
5127 				    dwarf_errmsg(de));
5128 				continue;
5129 			}
5130 			printf("%ju byte block:", (uintmax_t) v_block->bl_len);
5131 			b = v_block->bl_data;
5132 			for (j = 0; (Dwarf_Unsigned) j < v_block->bl_len; j++)
5133 				printf(" %x", b[j]);
5134 			printf("\t(");
5135 			dump_dwarf_block(re, v_block->bl_data, v_block->bl_len);
5136 			putchar(')');
5137 			break;
5138 
5139 		case DW_FORM_exprloc:
5140 			if (dwarf_formexprloc(attr_list[i], &v_udata, &v_expr,
5141 			    &de) != DW_DLV_OK) {
5142 				warnx("dwarf_formexprloc failed: %s",
5143 				    dwarf_errmsg(de));
5144 				continue;
5145 			}
5146 			printf("%ju byte block:", (uintmax_t) v_udata);
5147 			b = v_expr;
5148 			for (j = 0; (Dwarf_Unsigned) j < v_udata; j++)
5149 				printf(" %x", b[j]);
5150 			printf("\t(");
5151 			dump_dwarf_block(re, v_expr, v_udata);
5152 			putchar(')');
5153 			break;
5154 
5155 		case DW_FORM_ref_sig8:
5156 			if (dwarf_formsig8(attr_list[i], &v_sig8, &de) !=
5157 			    DW_DLV_OK) {
5158 				warnx("dwarf_formsig8 failed: %s",
5159 				    dwarf_errmsg(de));
5160 				continue;
5161 			}
5162 			p = (uint8_t *)(uintptr_t) &v_sig8.signature[0];
5163 			v_sig = re->dw_decode(&p, 8);
5164 			printf("signature: 0x%jx", (uintmax_t) v_sig);
5165 		}
5166 		switch (attr) {
5167 		case DW_AT_encoding:
5168 			if (dwarf_attrval_unsigned(die, attr, &ate, &de) !=
5169 			    DW_DLV_OK)
5170 				break;
5171 			if (dwarf_get_ATE_name(ate, &ate_str) != DW_DLV_OK)
5172 				ate_str = "DW_ATE_UNKNOWN";
5173 			printf("\t(%s)", &ate_str[strlen("DW_ATE_")]);
5174 			break;
5175 
5176 		case DW_AT_language:
5177 			if (dwarf_attrval_unsigned(die, attr, &lang, &de) !=
5178 			    DW_DLV_OK)
5179 				break;
5180 			if (dwarf_get_LANG_name(lang, &lang_str) != DW_DLV_OK)
5181 				break;
5182 			printf("\t(%s)", &lang_str[strlen("DW_LANG_")]);
5183 			break;
5184 
5185 		case DW_AT_location:
5186 		case DW_AT_string_length:
5187 		case DW_AT_return_addr:
5188 		case DW_AT_data_member_location:
5189 		case DW_AT_frame_base:
5190 		case DW_AT_segment:
5191 		case DW_AT_static_link:
5192 		case DW_AT_use_location:
5193 		case DW_AT_vtable_elem_location:
5194 			switch (form) {
5195 			case DW_FORM_data4:
5196 			case DW_FORM_data8:
5197 			case DW_FORM_sec_offset:
5198 				printf("\t(location list)");
5199 				break;
5200 			default:
5201 				break;
5202 			}
5203 
5204 		default:
5205 			break;
5206 		}
5207 		putchar('\n');
5208 	}
5209 
5210 
5211 cont_search:
5212 	/* Search children. */
5213 	ret = dwarf_child(die, &ret_die, &de);
5214 	if (ret == DW_DLV_ERROR)
5215 		warnx("dwarf_child: %s", dwarf_errmsg(de));
5216 	else if (ret == DW_DLV_OK)
5217 		dump_dwarf_die(re, ret_die, level + 1);
5218 
5219 	/* Search sibling. */
5220 	is_info = dwarf_get_die_infotypes_flag(die);
5221 	ret = dwarf_siblingof_b(re->dbg, die, &ret_die, is_info, &de);
5222 	if (ret == DW_DLV_ERROR)
5223 		warnx("dwarf_siblingof: %s", dwarf_errmsg(de));
5224 	else if (ret == DW_DLV_OK)
5225 		dump_dwarf_die(re, ret_die, level);
5226 
5227 	dwarf_dealloc(re->dbg, die, DW_DLA_DIE);
5228 }
5229 
5230 static void
5231 set_cu_context(struct readelf *re, Dwarf_Half psize, Dwarf_Half osize,
5232     Dwarf_Half ver)
5233 {
5234 
5235 	re->cu_psize = psize;
5236 	re->cu_osize = osize;
5237 	re->cu_ver = ver;
5238 }
5239 
5240 static void
5241 dump_dwarf_info(struct readelf *re, Dwarf_Bool is_info)
5242 {
5243 	struct section *s;
5244 	Dwarf_Die die;
5245 	Dwarf_Error de;
5246 	Dwarf_Half tag, version, pointer_size, off_size;
5247 	Dwarf_Off cu_offset, cu_length;
5248 	Dwarf_Off aboff;
5249 	Dwarf_Unsigned typeoff;
5250 	Dwarf_Sig8 sig8;
5251 	Dwarf_Unsigned sig;
5252 	uint8_t *p;
5253 	const char *sn;
5254 	int i, ret;
5255 
5256 	sn = is_info ? ".debug_info" : ".debug_types";
5257 
5258 	s = NULL;
5259 	for (i = 0; (size_t) i < re->shnum; i++) {
5260 		s = &re->sl[i];
5261 		if (s->name != NULL && !strcmp(s->name, sn))
5262 			break;
5263 	}
5264 	if ((size_t) i >= re->shnum)
5265 		return;
5266 
5267 	do {
5268 		printf("\nDump of debug contents of section %s:\n", sn);
5269 
5270 		while ((ret = dwarf_next_cu_header_c(re->dbg, is_info, NULL,
5271 		    &version, &aboff, &pointer_size, &off_size, NULL, &sig8,
5272 		    &typeoff, NULL, &de)) == DW_DLV_OK) {
5273 			set_cu_context(re, pointer_size, off_size, version);
5274 			die = NULL;
5275 			while (dwarf_siblingof_b(re->dbg, die, &die, is_info,
5276 			    &de) == DW_DLV_OK) {
5277 				if (dwarf_tag(die, &tag, &de) != DW_DLV_OK) {
5278 					warnx("dwarf_tag failed: %s",
5279 					    dwarf_errmsg(de));
5280 					continue;
5281 				}
5282 				/* XXX: What about DW_TAG_partial_unit? */
5283 				if ((is_info && tag == DW_TAG_compile_unit) ||
5284 				    (!is_info && tag == DW_TAG_type_unit))
5285 					break;
5286 			}
5287 			if (die == NULL && is_info) {
5288 				warnx("could not find DW_TAG_compile_unit "
5289 				    "die");
5290 				continue;
5291 			} else if (die == NULL && !is_info) {
5292 				warnx("could not find DW_TAG_type_unit die");
5293 				continue;
5294 			}
5295 
5296 			if (dwarf_die_CU_offset_range(die, &cu_offset,
5297 			    &cu_length, &de) != DW_DLV_OK) {
5298 				warnx("dwarf_die_CU_offset failed: %s",
5299 				    dwarf_errmsg(de));
5300 				continue;
5301 			}
5302 
5303 			cu_length -= off_size == 4 ? 4 : 12;
5304 
5305 			sig = 0;
5306 			if (!is_info) {
5307 				p = (uint8_t *)(uintptr_t) &sig8.signature[0];
5308 				sig = re->dw_decode(&p, 8);
5309 			}
5310 
5311 			printf("\n  Type Unit @ offset 0x%jx:\n",
5312 			    (uintmax_t) cu_offset);
5313 			printf("    Length:\t\t%#jx (%d-bit)\n",
5314 			    (uintmax_t) cu_length, off_size == 4 ? 32 : 64);
5315 			printf("    Version:\t\t%u\n", version);
5316 			printf("    Abbrev Offset:\t0x%jx\n",
5317 			    (uintmax_t) aboff);
5318 			printf("    Pointer Size:\t%u\n", pointer_size);
5319 			if (!is_info) {
5320 				printf("    Signature:\t\t0x%016jx\n",
5321 				    (uintmax_t) sig);
5322 				printf("    Type Offset:\t0x%jx\n",
5323 				    (uintmax_t) typeoff);
5324 			}
5325 
5326 			dump_dwarf_die(re, die, 0);
5327 		}
5328 		if (ret == DW_DLV_ERROR)
5329 			warnx("dwarf_next_cu_header: %s", dwarf_errmsg(de));
5330 		if (is_info)
5331 			break;
5332 	} while (dwarf_next_types_section(re->dbg, &de) == DW_DLV_OK);
5333 }
5334 
5335 static void
5336 dump_dwarf_abbrev(struct readelf *re)
5337 {
5338 	Dwarf_Abbrev ab;
5339 	Dwarf_Off aboff, atoff;
5340 	Dwarf_Unsigned length, attr_count;
5341 	Dwarf_Signed flag, form;
5342 	Dwarf_Half tag, attr;
5343 	Dwarf_Error de;
5344 	const char *tag_str, *attr_str, *form_str;
5345 	char unk_tag[32], unk_attr[32], unk_form[32];
5346 	int i, j, ret;
5347 
5348 	printf("\nContents of section .debug_abbrev:\n\n");
5349 
5350 	while ((ret = dwarf_next_cu_header(re->dbg, NULL, NULL, &aboff,
5351 	    NULL, NULL, &de)) ==  DW_DLV_OK) {
5352 		printf("  Number TAG\n");
5353 		i = 0;
5354 		while ((ret = dwarf_get_abbrev(re->dbg, aboff, &ab, &length,
5355 		    &attr_count, &de)) == DW_DLV_OK) {
5356 			if (length == 1) {
5357 				dwarf_dealloc(re->dbg, ab, DW_DLA_ABBREV);
5358 				break;
5359 			}
5360 			aboff += length;
5361 			printf("%4d", ++i);
5362 			if (dwarf_get_abbrev_tag(ab, &tag, &de) != DW_DLV_OK) {
5363 				warnx("dwarf_get_abbrev_tag failed: %s",
5364 				    dwarf_errmsg(de));
5365 				goto next_abbrev;
5366 			}
5367 			if (dwarf_get_TAG_name(tag, &tag_str) != DW_DLV_OK) {
5368 				snprintf(unk_tag, sizeof(unk_tag),
5369 				    "[Unknown Tag: %#x]", tag);
5370 				tag_str = unk_tag;
5371 			}
5372 			if (dwarf_get_abbrev_children_flag(ab, &flag, &de) !=
5373 			    DW_DLV_OK) {
5374 				warnx("dwarf_get_abbrev_children_flag failed:"
5375 				    " %s", dwarf_errmsg(de));
5376 				goto next_abbrev;
5377 			}
5378 			printf("      %s    %s\n", tag_str,
5379 			    flag ? "[has children]" : "[no children]");
5380 			for (j = 0; (Dwarf_Unsigned) j < attr_count; j++) {
5381 				if (dwarf_get_abbrev_entry(ab, (Dwarf_Signed) j,
5382 				    &attr, &form, &atoff, &de) != DW_DLV_OK) {
5383 					warnx("dwarf_get_abbrev_entry failed:"
5384 					    " %s", dwarf_errmsg(de));
5385 					continue;
5386 				}
5387 				if (dwarf_get_AT_name(attr, &attr_str) !=
5388 				    DW_DLV_OK) {
5389 					snprintf(unk_attr, sizeof(unk_attr),
5390 					    "[Unknown AT: %#x]", attr);
5391 					attr_str = unk_attr;
5392 				}
5393 				if (dwarf_get_FORM_name(form, &form_str) !=
5394 				    DW_DLV_OK) {
5395 					snprintf(unk_form, sizeof(unk_form),
5396 					    "[Unknown Form: %#x]",
5397 					    (Dwarf_Half) form);
5398 					form_str = unk_form;
5399 				}
5400 				printf("    %-18s %s\n", attr_str, form_str);
5401 			}
5402 		next_abbrev:
5403 			dwarf_dealloc(re->dbg, ab, DW_DLA_ABBREV);
5404 		}
5405 		if (ret != DW_DLV_OK)
5406 			warnx("dwarf_get_abbrev: %s", dwarf_errmsg(de));
5407 	}
5408 	if (ret == DW_DLV_ERROR)
5409 		warnx("dwarf_next_cu_header: %s", dwarf_errmsg(de));
5410 }
5411 
5412 static void
5413 dump_dwarf_pubnames(struct readelf *re)
5414 {
5415 	struct section *s;
5416 	Dwarf_Off die_off;
5417 	Dwarf_Unsigned offset, length, nt_cu_offset, nt_cu_length;
5418 	Dwarf_Signed cnt;
5419 	Dwarf_Global *globs;
5420 	Dwarf_Half nt_version;
5421 	Dwarf_Error de;
5422 	Elf_Data *d;
5423 	char *glob_name;
5424 	int i, dwarf_size, elferr;
5425 
5426 	printf("\nContents of the .debug_pubnames section:\n");
5427 
5428 	s = NULL;
5429 	for (i = 0; (size_t) i < re->shnum; i++) {
5430 		s = &re->sl[i];
5431 		if (s->name != NULL && !strcmp(s->name, ".debug_pubnames"))
5432 			break;
5433 	}
5434 	if ((size_t) i >= re->shnum)
5435 		return;
5436 
5437 	(void) elf_errno();
5438 	if ((d = elf_getdata(s->scn, NULL)) == NULL) {
5439 		elferr = elf_errno();
5440 		if (elferr != 0)
5441 			warnx("elf_getdata failed: %s", elf_errmsg(-1));
5442 		return;
5443 	}
5444 	if (d->d_size <= 0)
5445 		return;
5446 
5447 	/* Read in .debug_pubnames section table header. */
5448 	offset = 0;
5449 	length = re->dw_read(d, &offset, 4);
5450 	if (length == 0xffffffff) {
5451 		dwarf_size = 8;
5452 		length = re->dw_read(d, &offset, 8);
5453 	} else
5454 		dwarf_size = 4;
5455 
5456 	if (length > d->d_size - offset) {
5457 		warnx("invalid .dwarf_pubnames section");
5458 		return;
5459 	}
5460 
5461 	nt_version = re->dw_read(d, &offset, 2);
5462 	nt_cu_offset = re->dw_read(d, &offset, dwarf_size);
5463 	nt_cu_length = re->dw_read(d, &offset, dwarf_size);
5464 	printf("  Length:\t\t\t\t%ju\n", (uintmax_t) length);
5465 	printf("  Version:\t\t\t\t%u\n", nt_version);
5466 	printf("  Offset into .debug_info section:\t%ju\n",
5467 	    (uintmax_t) nt_cu_offset);
5468 	printf("  Size of area in .debug_info section:\t%ju\n",
5469 	    (uintmax_t) nt_cu_length);
5470 
5471 	if (dwarf_get_globals(re->dbg, &globs, &cnt, &de) != DW_DLV_OK) {
5472 		warnx("dwarf_get_globals failed: %s", dwarf_errmsg(de));
5473 		return;
5474 	}
5475 
5476 	printf("\n    Offset      Name\n");
5477 	for (i = 0; i < cnt; i++) {
5478 		if (dwarf_globname(globs[i], &glob_name, &de) != DW_DLV_OK) {
5479 			warnx("dwarf_globname failed: %s", dwarf_errmsg(de));
5480 			continue;
5481 		}
5482 		if (dwarf_global_die_offset(globs[i], &die_off, &de) !=
5483 		    DW_DLV_OK) {
5484 			warnx("dwarf_global_die_offset failed: %s",
5485 			    dwarf_errmsg(de));
5486 			continue;
5487 		}
5488 		printf("    %-11ju %s\n", (uintmax_t) die_off, glob_name);
5489 	}
5490 }
5491 
5492 static void
5493 dump_dwarf_aranges(struct readelf *re)
5494 {
5495 	struct section *s;
5496 	Dwarf_Arange *aranges;
5497 	Dwarf_Addr start;
5498 	Dwarf_Unsigned offset, length, as_cu_offset;
5499 	Dwarf_Off die_off;
5500 	Dwarf_Signed cnt;
5501 	Dwarf_Half as_version, as_addrsz, as_segsz;
5502 	Dwarf_Error de;
5503 	Elf_Data *d;
5504 	int i, dwarf_size, elferr;
5505 
5506 	printf("\nContents of section .debug_aranges:\n");
5507 
5508 	s = NULL;
5509 	for (i = 0; (size_t) i < re->shnum; i++) {
5510 		s = &re->sl[i];
5511 		if (s->name != NULL && !strcmp(s->name, ".debug_aranges"))
5512 			break;
5513 	}
5514 	if ((size_t) i >= re->shnum)
5515 		return;
5516 
5517 	(void) elf_errno();
5518 	if ((d = elf_getdata(s->scn, NULL)) == NULL) {
5519 		elferr = elf_errno();
5520 		if (elferr != 0)
5521 			warnx("elf_getdata failed: %s", elf_errmsg(-1));
5522 		return;
5523 	}
5524 	if (d->d_size <= 0)
5525 		return;
5526 
5527 	/* Read in the .debug_aranges section table header. */
5528 	offset = 0;
5529 	length = re->dw_read(d, &offset, 4);
5530 	if (length == 0xffffffff) {
5531 		dwarf_size = 8;
5532 		length = re->dw_read(d, &offset, 8);
5533 	} else
5534 		dwarf_size = 4;
5535 
5536 	if (length > d->d_size - offset) {
5537 		warnx("invalid .dwarf_aranges section");
5538 		return;
5539 	}
5540 
5541 	as_version = re->dw_read(d, &offset, 2);
5542 	as_cu_offset = re->dw_read(d, &offset, dwarf_size);
5543 	as_addrsz = re->dw_read(d, &offset, 1);
5544 	as_segsz = re->dw_read(d, &offset, 1);
5545 
5546 	printf("  Length:\t\t\t%ju\n", (uintmax_t) length);
5547 	printf("  Version:\t\t\t%u\n", as_version);
5548 	printf("  Offset into .debug_info:\t%ju\n", (uintmax_t) as_cu_offset);
5549 	printf("  Pointer Size:\t\t\t%u\n", as_addrsz);
5550 	printf("  Segment Size:\t\t\t%u\n", as_segsz);
5551 
5552 	if (dwarf_get_aranges(re->dbg, &aranges, &cnt, &de) != DW_DLV_OK) {
5553 		warnx("dwarf_get_aranges failed: %s", dwarf_errmsg(de));
5554 		return;
5555 	}
5556 
5557 	printf("\n    Address  Length\n");
5558 	for (i = 0; i < cnt; i++) {
5559 		if (dwarf_get_arange_info(aranges[i], &start, &length,
5560 		    &die_off, &de) != DW_DLV_OK) {
5561 			warnx("dwarf_get_arange_info failed: %s",
5562 			    dwarf_errmsg(de));
5563 			continue;
5564 		}
5565 		printf("    %08jx %ju\n", (uintmax_t) start,
5566 		    (uintmax_t) length);
5567 	}
5568 }
5569 
5570 static void
5571 dump_dwarf_ranges_foreach(struct readelf *re, Dwarf_Die die, Dwarf_Addr base)
5572 {
5573 	Dwarf_Attribute *attr_list;
5574 	Dwarf_Ranges *ranges;
5575 	Dwarf_Die ret_die;
5576 	Dwarf_Error de;
5577 	Dwarf_Addr base0;
5578 	Dwarf_Half attr;
5579 	Dwarf_Signed attr_count, cnt;
5580 	Dwarf_Unsigned off, bytecnt;
5581 	int i, j, ret;
5582 
5583 	if ((ret = dwarf_attrlist(die, &attr_list, &attr_count, &de)) !=
5584 	    DW_DLV_OK) {
5585 		if (ret == DW_DLV_ERROR)
5586 			warnx("dwarf_attrlist failed: %s", dwarf_errmsg(de));
5587 		goto cont_search;
5588 	}
5589 
5590 	for (i = 0; i < attr_count; i++) {
5591 		if (dwarf_whatattr(attr_list[i], &attr, &de) != DW_DLV_OK) {
5592 			warnx("dwarf_whatattr failed: %s", dwarf_errmsg(de));
5593 			continue;
5594 		}
5595 		if (attr != DW_AT_ranges)
5596 			continue;
5597 		if (dwarf_formudata(attr_list[i], &off, &de) != DW_DLV_OK) {
5598 			warnx("dwarf_formudata failed: %s", dwarf_errmsg(de));
5599 			continue;
5600 		}
5601 		if (dwarf_get_ranges(re->dbg, (Dwarf_Off) off, &ranges, &cnt,
5602 		    &bytecnt, &de) != DW_DLV_OK)
5603 			continue;
5604 		base0 = base;
5605 		for (j = 0; j < cnt; j++) {
5606 			printf("    %08jx ", (uintmax_t) off);
5607 			if (ranges[j].dwr_type == DW_RANGES_END) {
5608 				printf("%s\n", "<End of list>");
5609 				continue;
5610 			} else if (ranges[j].dwr_type ==
5611 			    DW_RANGES_ADDRESS_SELECTION) {
5612 				base0 = ranges[j].dwr_addr2;
5613 				continue;
5614 			}
5615 			if (re->ec == ELFCLASS32)
5616 				printf("%08jx %08jx\n",
5617 				    ranges[j].dwr_addr1 + base0,
5618 				    ranges[j].dwr_addr2 + base0);
5619 			else
5620 				printf("%016jx %016jx\n",
5621 				    ranges[j].dwr_addr1 + base0,
5622 				    ranges[j].dwr_addr2 + base0);
5623 		}
5624 	}
5625 
5626 cont_search:
5627 	/* Search children. */
5628 	ret = dwarf_child(die, &ret_die, &de);
5629 	if (ret == DW_DLV_ERROR)
5630 		warnx("dwarf_child: %s", dwarf_errmsg(de));
5631 	else if (ret == DW_DLV_OK)
5632 		dump_dwarf_ranges_foreach(re, ret_die, base);
5633 
5634 	/* Search sibling. */
5635 	ret = dwarf_siblingof(re->dbg, die, &ret_die, &de);
5636 	if (ret == DW_DLV_ERROR)
5637 		warnx("dwarf_siblingof: %s", dwarf_errmsg(de));
5638 	else if (ret == DW_DLV_OK)
5639 		dump_dwarf_ranges_foreach(re, ret_die, base);
5640 }
5641 
5642 static void
5643 dump_dwarf_ranges(struct readelf *re)
5644 {
5645 	Dwarf_Ranges *ranges;
5646 	Dwarf_Die die;
5647 	Dwarf_Signed cnt;
5648 	Dwarf_Unsigned bytecnt;
5649 	Dwarf_Half tag;
5650 	Dwarf_Error de;
5651 	Dwarf_Unsigned lowpc;
5652 	int ret;
5653 
5654 	if (dwarf_get_ranges(re->dbg, 0, &ranges, &cnt, &bytecnt, &de) !=
5655 	    DW_DLV_OK)
5656 		return;
5657 
5658 	printf("Contents of the .debug_ranges section:\n\n");
5659 	if (re->ec == ELFCLASS32)
5660 		printf("    %-8s %-8s %s\n", "Offset", "Begin", "End");
5661 	else
5662 		printf("    %-8s %-16s %s\n", "Offset", "Begin", "End");
5663 
5664 	while ((ret = dwarf_next_cu_header(re->dbg, NULL, NULL, NULL, NULL,
5665 	    NULL, &de)) == DW_DLV_OK) {
5666 		die = NULL;
5667 		if (dwarf_siblingof(re->dbg, die, &die, &de) != DW_DLV_OK)
5668 			continue;
5669 		if (dwarf_tag(die, &tag, &de) != DW_DLV_OK) {
5670 			warnx("dwarf_tag failed: %s", dwarf_errmsg(de));
5671 			continue;
5672 		}
5673 		/* XXX: What about DW_TAG_partial_unit? */
5674 		lowpc = 0;
5675 		if (tag == DW_TAG_compile_unit) {
5676 			if (dwarf_attrval_unsigned(die, DW_AT_low_pc, &lowpc,
5677 			    &de) != DW_DLV_OK)
5678 				lowpc = 0;
5679 		}
5680 
5681 		dump_dwarf_ranges_foreach(re, die, (Dwarf_Addr) lowpc);
5682 	}
5683 	putchar('\n');
5684 }
5685 
5686 static void
5687 dump_dwarf_macinfo(struct readelf *re)
5688 {
5689 	Dwarf_Unsigned offset;
5690 	Dwarf_Signed cnt;
5691 	Dwarf_Macro_Details *md;
5692 	Dwarf_Error de;
5693 	const char *mi_str;
5694 	char unk_mi[32];
5695 	int i;
5696 
5697 #define	_MAX_MACINFO_ENTRY	65535
5698 
5699 	printf("\nContents of section .debug_macinfo:\n\n");
5700 
5701 	offset = 0;
5702 	while (dwarf_get_macro_details(re->dbg, offset, _MAX_MACINFO_ENTRY,
5703 	    &cnt, &md, &de) == DW_DLV_OK) {
5704 		for (i = 0; i < cnt; i++) {
5705 			offset = md[i].dmd_offset + 1;
5706 			if (md[i].dmd_type == 0)
5707 				break;
5708 			if (dwarf_get_MACINFO_name(md[i].dmd_type, &mi_str) !=
5709 			    DW_DLV_OK) {
5710 				snprintf(unk_mi, sizeof(unk_mi),
5711 				    "[Unknown MACINFO: %#x]", md[i].dmd_type);
5712 				mi_str = unk_mi;
5713 			}
5714 			printf(" %s", mi_str);
5715 			switch (md[i].dmd_type) {
5716 			case DW_MACINFO_define:
5717 			case DW_MACINFO_undef:
5718 				printf(" - lineno : %jd macro : %s\n",
5719 				    (intmax_t) md[i].dmd_lineno,
5720 				    md[i].dmd_macro);
5721 				break;
5722 			case DW_MACINFO_start_file:
5723 				printf(" - lineno : %jd filenum : %jd\n",
5724 				    (intmax_t) md[i].dmd_lineno,
5725 				    (intmax_t) md[i].dmd_fileindex);
5726 				break;
5727 			default:
5728 				putchar('\n');
5729 				break;
5730 			}
5731 		}
5732 	}
5733 
5734 #undef	_MAX_MACINFO_ENTRY
5735 }
5736 
5737 static void
5738 dump_dwarf_frame_inst(struct readelf *re, Dwarf_Cie cie, uint8_t *insts,
5739     Dwarf_Unsigned len, Dwarf_Unsigned caf, Dwarf_Signed daf, Dwarf_Addr pc,
5740     Dwarf_Debug dbg)
5741 {
5742 	Dwarf_Frame_Op *oplist;
5743 	Dwarf_Signed opcnt, delta;
5744 	Dwarf_Small op;
5745 	Dwarf_Error de;
5746 	const char *op_str;
5747 	char unk_op[32];
5748 	int i;
5749 
5750 	if (dwarf_expand_frame_instructions(cie, insts, len, &oplist,
5751 	    &opcnt, &de) != DW_DLV_OK) {
5752 		warnx("dwarf_expand_frame_instructions failed: %s",
5753 		    dwarf_errmsg(de));
5754 		return;
5755 	}
5756 
5757 	for (i = 0; i < opcnt; i++) {
5758 		if (oplist[i].fp_base_op != 0)
5759 			op = oplist[i].fp_base_op << 6;
5760 		else
5761 			op = oplist[i].fp_extended_op;
5762 		if (dwarf_get_CFA_name(op, &op_str) != DW_DLV_OK) {
5763 			snprintf(unk_op, sizeof(unk_op), "[Unknown CFA: %#x]",
5764 			    op);
5765 			op_str = unk_op;
5766 		}
5767 		printf("  %s", op_str);
5768 		switch (op) {
5769 		case DW_CFA_advance_loc:
5770 			delta = oplist[i].fp_offset * caf;
5771 			pc += delta;
5772 			printf(": %ju to %08jx", (uintmax_t) delta,
5773 			    (uintmax_t) pc);
5774 			break;
5775 		case DW_CFA_offset:
5776 		case DW_CFA_offset_extended:
5777 		case DW_CFA_offset_extended_sf:
5778 			delta = oplist[i].fp_offset * daf;
5779 			printf(": r%u (%s) at cfa%+jd", oplist[i].fp_register,
5780 			    dwarf_regname(re, oplist[i].fp_register),
5781 			    (intmax_t) delta);
5782 			break;
5783 		case DW_CFA_restore:
5784 			printf(": r%u (%s)", oplist[i].fp_register,
5785 			    dwarf_regname(re, oplist[i].fp_register));
5786 			break;
5787 		case DW_CFA_set_loc:
5788 			pc = oplist[i].fp_offset;
5789 			printf(": to %08jx", (uintmax_t) pc);
5790 			break;
5791 		case DW_CFA_advance_loc1:
5792 		case DW_CFA_advance_loc2:
5793 		case DW_CFA_advance_loc4:
5794 			pc += oplist[i].fp_offset;
5795 			printf(": %jd to %08jx", (intmax_t) oplist[i].fp_offset,
5796 			    (uintmax_t) pc);
5797 			break;
5798 		case DW_CFA_def_cfa:
5799 			printf(": r%u (%s) ofs %ju", oplist[i].fp_register,
5800 			    dwarf_regname(re, oplist[i].fp_register),
5801 			    (uintmax_t) oplist[i].fp_offset);
5802 			break;
5803 		case DW_CFA_def_cfa_sf:
5804 			printf(": r%u (%s) ofs %jd", oplist[i].fp_register,
5805 			    dwarf_regname(re, oplist[i].fp_register),
5806 			    (intmax_t) (oplist[i].fp_offset * daf));
5807 			break;
5808 		case DW_CFA_def_cfa_register:
5809 			printf(": r%u (%s)", oplist[i].fp_register,
5810 			    dwarf_regname(re, oplist[i].fp_register));
5811 			break;
5812 		case DW_CFA_def_cfa_offset:
5813 			printf(": %ju", (uintmax_t) oplist[i].fp_offset);
5814 			break;
5815 		case DW_CFA_def_cfa_offset_sf:
5816 			printf(": %jd", (intmax_t) (oplist[i].fp_offset * daf));
5817 			break;
5818 		default:
5819 			break;
5820 		}
5821 		putchar('\n');
5822 	}
5823 
5824 	dwarf_dealloc(dbg, oplist, DW_DLA_FRAME_BLOCK);
5825 }
5826 
5827 static char *
5828 get_regoff_str(struct readelf *re, Dwarf_Half reg, Dwarf_Addr off)
5829 {
5830 	static char rs[16];
5831 
5832 	if (reg == DW_FRAME_UNDEFINED_VAL || reg == DW_FRAME_REG_INITIAL_VALUE)
5833 		snprintf(rs, sizeof(rs), "%c", 'u');
5834 	else if (reg == DW_FRAME_CFA_COL)
5835 		snprintf(rs, sizeof(rs), "c%+jd", (intmax_t) off);
5836 	else
5837 		snprintf(rs, sizeof(rs), "%s%+jd", dwarf_regname(re, reg),
5838 		    (intmax_t) off);
5839 
5840 	return (rs);
5841 }
5842 
5843 static int
5844 dump_dwarf_frame_regtable(struct readelf *re, Dwarf_Fde fde, Dwarf_Addr pc,
5845     Dwarf_Unsigned func_len, Dwarf_Half cie_ra)
5846 {
5847 	Dwarf_Regtable rt;
5848 	Dwarf_Addr row_pc, end_pc, pre_pc, cur_pc;
5849 	Dwarf_Error de;
5850 	char *vec;
5851 	int i;
5852 
5853 #define BIT_SET(v, n) (v[(n)>>3] |= 1U << ((n) & 7))
5854 #define BIT_CLR(v, n) (v[(n)>>3] &= ~(1U << ((n) & 7)))
5855 #define BIT_ISSET(v, n) (v[(n)>>3] & (1U << ((n) & 7)))
5856 #define	RT(x) rt.rules[(x)]
5857 
5858 	vec = calloc((DW_REG_TABLE_SIZE + 7) / 8, 1);
5859 	if (vec == NULL)
5860 		err(EXIT_FAILURE, "calloc failed");
5861 
5862 	pre_pc = ~((Dwarf_Addr) 0);
5863 	cur_pc = pc;
5864 	end_pc = pc + func_len;
5865 	for (; cur_pc < end_pc; cur_pc++) {
5866 		if (dwarf_get_fde_info_for_all_regs(fde, cur_pc, &rt, &row_pc,
5867 		    &de) != DW_DLV_OK) {
5868 			warnx("dwarf_get_fde_info_for_all_regs failed: %s\n",
5869 			    dwarf_errmsg(de));
5870 			return (-1);
5871 		}
5872 		if (row_pc == pre_pc)
5873 			continue;
5874 		pre_pc = row_pc;
5875 		for (i = 1; i < DW_REG_TABLE_SIZE; i++) {
5876 			if (rt.rules[i].dw_regnum != DW_FRAME_REG_INITIAL_VALUE)
5877 				BIT_SET(vec, i);
5878 		}
5879 	}
5880 
5881 	printf("   LOC   CFA      ");
5882 	for (i = 1; i < DW_REG_TABLE_SIZE; i++) {
5883 		if (BIT_ISSET(vec, i)) {
5884 			if ((Dwarf_Half) i == cie_ra)
5885 				printf("ra   ");
5886 			else
5887 				printf("%-5s",
5888 				    dwarf_regname(re, (unsigned int) i));
5889 		}
5890 	}
5891 	putchar('\n');
5892 
5893 	pre_pc = ~((Dwarf_Addr) 0);
5894 	cur_pc = pc;
5895 	end_pc = pc + func_len;
5896 	for (; cur_pc < end_pc; cur_pc++) {
5897 		if (dwarf_get_fde_info_for_all_regs(fde, cur_pc, &rt, &row_pc,
5898 		    &de) != DW_DLV_OK) {
5899 			warnx("dwarf_get_fde_info_for_all_regs failed: %s\n",
5900 			    dwarf_errmsg(de));
5901 			return (-1);
5902 		}
5903 		if (row_pc == pre_pc)
5904 			continue;
5905 		pre_pc = row_pc;
5906 		printf("%08jx ", (uintmax_t) row_pc);
5907 		printf("%-8s ", get_regoff_str(re, RT(0).dw_regnum,
5908 		    RT(0).dw_offset));
5909 		for (i = 1; i < DW_REG_TABLE_SIZE; i++) {
5910 			if (BIT_ISSET(vec, i)) {
5911 				printf("%-5s", get_regoff_str(re,
5912 				    RT(i).dw_regnum, RT(i).dw_offset));
5913 			}
5914 		}
5915 		putchar('\n');
5916 	}
5917 
5918 	free(vec);
5919 
5920 	return (0);
5921 
5922 #undef	BIT_SET
5923 #undef	BIT_CLR
5924 #undef	BIT_ISSET
5925 #undef	RT
5926 }
5927 
5928 static void
5929 dump_dwarf_frame_section(struct readelf *re, struct section *s, int alt)
5930 {
5931 	Dwarf_Cie *cie_list, cie, pre_cie;
5932 	Dwarf_Fde *fde_list, fde;
5933 	Dwarf_Off cie_offset, fde_offset;
5934 	Dwarf_Unsigned cie_length, fde_instlen;
5935 	Dwarf_Unsigned cie_caf, cie_daf, cie_instlen, func_len, fde_length;
5936 	Dwarf_Signed cie_count, fde_count, cie_index;
5937 	Dwarf_Addr low_pc;
5938 	Dwarf_Half cie_ra;
5939 	Dwarf_Small cie_version;
5940 	Dwarf_Ptr fde_addr, fde_inst, cie_inst;
5941 	char *cie_aug, c;
5942 	int i, eh_frame;
5943 	Dwarf_Error de;
5944 
5945 	printf("\nThe section %s contains:\n\n", s->name);
5946 
5947 	if (!strcmp(s->name, ".debug_frame")) {
5948 		eh_frame = 0;
5949 		if (dwarf_get_fde_list(re->dbg, &cie_list, &cie_count,
5950 		    &fde_list, &fde_count, &de) != DW_DLV_OK) {
5951 			warnx("dwarf_get_fde_list failed: %s",
5952 			    dwarf_errmsg(de));
5953 			return;
5954 		}
5955 	} else if (!strcmp(s->name, ".eh_frame")) {
5956 		eh_frame = 1;
5957 		if (dwarf_get_fde_list_eh(re->dbg, &cie_list, &cie_count,
5958 		    &fde_list, &fde_count, &de) != DW_DLV_OK) {
5959 			warnx("dwarf_get_fde_list_eh failed: %s",
5960 			    dwarf_errmsg(de));
5961 			return;
5962 		}
5963 	} else
5964 		return;
5965 
5966 	pre_cie = NULL;
5967 	for (i = 0; i < fde_count; i++) {
5968 		if (dwarf_get_fde_n(fde_list, i, &fde, &de) != DW_DLV_OK) {
5969 			warnx("dwarf_get_fde_n failed: %s", dwarf_errmsg(de));
5970 			continue;
5971 		}
5972 		if (dwarf_get_cie_of_fde(fde, &cie, &de) != DW_DLV_OK) {
5973 			warnx("dwarf_get_fde_n failed: %s", dwarf_errmsg(de));
5974 			continue;
5975 		}
5976 		if (dwarf_get_fde_range(fde, &low_pc, &func_len, &fde_addr,
5977 		    &fde_length, &cie_offset, &cie_index, &fde_offset,
5978 		    &de) != DW_DLV_OK) {
5979 			warnx("dwarf_get_fde_range failed: %s",
5980 			    dwarf_errmsg(de));
5981 			continue;
5982 		}
5983 		if (dwarf_get_fde_instr_bytes(fde, &fde_inst, &fde_instlen,
5984 		    &de) != DW_DLV_OK) {
5985 			warnx("dwarf_get_fde_instr_bytes failed: %s",
5986 			    dwarf_errmsg(de));
5987 			continue;
5988 		}
5989 		if (pre_cie == NULL || cie != pre_cie) {
5990 			pre_cie = cie;
5991 			if (dwarf_get_cie_info(cie, &cie_length, &cie_version,
5992 			    &cie_aug, &cie_caf, &cie_daf, &cie_ra,
5993 			    &cie_inst, &cie_instlen, &de) != DW_DLV_OK) {
5994 				warnx("dwarf_get_cie_info failed: %s",
5995 				    dwarf_errmsg(de));
5996 				continue;
5997 			}
5998 			printf("%08jx %08jx %8.8jx CIE",
5999 			    (uintmax_t) cie_offset,
6000 			    (uintmax_t) cie_length,
6001 			    (uintmax_t) (eh_frame ? 0 : ~0U));
6002 			if (!alt) {
6003 				putchar('\n');
6004 				printf("  Version:\t\t\t%u\n", cie_version);
6005 				printf("  Augmentation:\t\t\t\"");
6006 				while ((c = *cie_aug++) != '\0')
6007 					putchar(c);
6008 				printf("\"\n");
6009 				printf("  Code alignment factor:\t%ju\n",
6010 				    (uintmax_t) cie_caf);
6011 				printf("  Data alignment factor:\t%jd\n",
6012 				    (intmax_t) cie_daf);
6013 				printf("  Return address column:\t%ju\n",
6014 				    (uintmax_t) cie_ra);
6015 				putchar('\n');
6016 				dump_dwarf_frame_inst(re, cie, cie_inst,
6017 				    cie_instlen, cie_caf, cie_daf, 0,
6018 				    re->dbg);
6019 				putchar('\n');
6020 			} else {
6021 				printf(" \"");
6022 				while ((c = *cie_aug++) != '\0')
6023 					putchar(c);
6024 				putchar('"');
6025 				printf(" cf=%ju df=%jd ra=%ju\n",
6026 				    (uintmax_t) cie_caf,
6027 				    (uintmax_t) cie_daf,
6028 				    (uintmax_t) cie_ra);
6029 				dump_dwarf_frame_regtable(re, fde, low_pc, 1,
6030 				    cie_ra);
6031 				putchar('\n');
6032 			}
6033 		}
6034 		printf("%08jx %08jx %08jx FDE cie=%08jx pc=%08jx..%08jx\n",
6035 		    (uintmax_t) fde_offset, (uintmax_t) fde_length,
6036 		    (uintmax_t) cie_offset,
6037 		    (uintmax_t) (eh_frame ? fde_offset + 4 - cie_offset :
6038 			cie_offset),
6039 		    (uintmax_t) low_pc, (uintmax_t) (low_pc + func_len));
6040 		if (!alt)
6041 			dump_dwarf_frame_inst(re, cie, fde_inst, fde_instlen,
6042 			    cie_caf, cie_daf, low_pc, re->dbg);
6043 		else
6044 			dump_dwarf_frame_regtable(re, fde, low_pc, func_len,
6045 			    cie_ra);
6046 		putchar('\n');
6047 	}
6048 }
6049 
6050 static void
6051 dump_dwarf_frame(struct readelf *re, int alt)
6052 {
6053 	struct section *s;
6054 	int i;
6055 
6056 	(void) dwarf_set_frame_cfa_value(re->dbg, DW_FRAME_CFA_COL);
6057 
6058 	for (i = 0; (size_t) i < re->shnum; i++) {
6059 		s = &re->sl[i];
6060 		if (s->name != NULL && (!strcmp(s->name, ".debug_frame") ||
6061 		    !strcmp(s->name, ".eh_frame")))
6062 			dump_dwarf_frame_section(re, s, alt);
6063 	}
6064 }
6065 
6066 static void
6067 dump_dwarf_str(struct readelf *re)
6068 {
6069 	struct section *s;
6070 	Elf_Data *d;
6071 	unsigned char *p;
6072 	int elferr, end, i, j;
6073 
6074 	printf("\nContents of section .debug_str:\n");
6075 
6076 	s = NULL;
6077 	for (i = 0; (size_t) i < re->shnum; i++) {
6078 		s = &re->sl[i];
6079 		if (s->name != NULL && !strcmp(s->name, ".debug_str"))
6080 			break;
6081 	}
6082 	if ((size_t) i >= re->shnum)
6083 		return;
6084 
6085 	(void) elf_errno();
6086 	if ((d = elf_getdata(s->scn, NULL)) == NULL) {
6087 		elferr = elf_errno();
6088 		if (elferr != 0)
6089 			warnx("elf_getdata failed: %s", elf_errmsg(-1));
6090 		return;
6091 	}
6092 	if (d->d_size <= 0)
6093 		return;
6094 
6095 	for (i = 0, p = d->d_buf; (size_t) i < d->d_size; i += 16) {
6096 		printf("  0x%08x", (unsigned int) i);
6097 		if ((size_t) i + 16 > d->d_size)
6098 			end = d->d_size;
6099 		else
6100 			end = i + 16;
6101 		for (j = i; j < i + 16; j++) {
6102 			if ((j - i) % 4 == 0)
6103 				putchar(' ');
6104 			if (j >= end) {
6105 				printf("  ");
6106 				continue;
6107 			}
6108 			printf("%02x", (uint8_t) p[j]);
6109 		}
6110 		putchar(' ');
6111 		for (j = i; j < end; j++) {
6112 			if (isprint(p[j]))
6113 				putchar(p[j]);
6114 			else if (p[j] == 0)
6115 				putchar('.');
6116 			else
6117 				putchar(' ');
6118 		}
6119 		putchar('\n');
6120 	}
6121 }
6122 
6123 struct loc_at {
6124 	Dwarf_Attribute la_at;
6125 	Dwarf_Unsigned la_off;
6126 	Dwarf_Unsigned la_lowpc;
6127 	Dwarf_Half la_cu_psize;
6128 	Dwarf_Half la_cu_osize;
6129 	Dwarf_Half la_cu_ver;
6130 	TAILQ_ENTRY(loc_at) la_next;
6131 };
6132 
6133 static TAILQ_HEAD(, loc_at) lalist = TAILQ_HEAD_INITIALIZER(lalist);
6134 
6135 static void
6136 search_loclist_at(struct readelf *re, Dwarf_Die die, Dwarf_Unsigned lowpc)
6137 {
6138 	Dwarf_Attribute *attr_list;
6139 	Dwarf_Die ret_die;
6140 	Dwarf_Unsigned off;
6141 	Dwarf_Off ref;
6142 	Dwarf_Signed attr_count;
6143 	Dwarf_Half attr, form;
6144 	Dwarf_Bool is_info;
6145 	Dwarf_Error de;
6146 	struct loc_at *la, *nla;
6147 	int i, ret;
6148 
6149 	is_info = dwarf_get_die_infotypes_flag(die);
6150 
6151 	if ((ret = dwarf_attrlist(die, &attr_list, &attr_count, &de)) !=
6152 	    DW_DLV_OK) {
6153 		if (ret == DW_DLV_ERROR)
6154 			warnx("dwarf_attrlist failed: %s", dwarf_errmsg(de));
6155 		goto cont_search;
6156 	}
6157 	for (i = 0; i < attr_count; i++) {
6158 		if (dwarf_whatattr(attr_list[i], &attr, &de) != DW_DLV_OK) {
6159 			warnx("dwarf_whatattr failed: %s", dwarf_errmsg(de));
6160 			continue;
6161 		}
6162 		if (attr != DW_AT_location &&
6163 		    attr != DW_AT_string_length &&
6164 		    attr != DW_AT_return_addr &&
6165 		    attr != DW_AT_data_member_location &&
6166 		    attr != DW_AT_frame_base &&
6167 		    attr != DW_AT_segment &&
6168 		    attr != DW_AT_static_link &&
6169 		    attr != DW_AT_use_location &&
6170 		    attr != DW_AT_vtable_elem_location)
6171 			continue;
6172 		if (dwarf_whatform(attr_list[i], &form, &de) != DW_DLV_OK) {
6173 			warnx("dwarf_whatform failed: %s", dwarf_errmsg(de));
6174 			continue;
6175 		}
6176 		if (form == DW_FORM_data4 || form == DW_FORM_data8) {
6177 			if (dwarf_formudata(attr_list[i], &off, &de) !=
6178 			    DW_DLV_OK) {
6179 				warnx("dwarf_formudata failed: %s",
6180 				    dwarf_errmsg(de));
6181 				continue;
6182 			}
6183 		} else if (form == DW_FORM_sec_offset) {
6184 			if (dwarf_global_formref(attr_list[i], &ref, &de) !=
6185 			    DW_DLV_OK) {
6186 				warnx("dwarf_global_formref failed: %s",
6187 				    dwarf_errmsg(de));
6188 				continue;
6189 			}
6190 			off = ref;
6191 		} else
6192 			continue;
6193 
6194 		TAILQ_FOREACH(la, &lalist, la_next) {
6195 			if (off == la->la_off)
6196 				break;
6197 			if (off < la->la_off) {
6198 				if ((nla = malloc(sizeof(*nla))) == NULL)
6199 					err(EXIT_FAILURE, "malloc failed");
6200 				nla->la_at = attr_list[i];
6201 				nla->la_off = off;
6202 				nla->la_lowpc = lowpc;
6203 				nla->la_cu_psize = re->cu_psize;
6204 				nla->la_cu_osize = re->cu_osize;
6205 				nla->la_cu_ver = re->cu_ver;
6206 				TAILQ_INSERT_BEFORE(la, nla, la_next);
6207 				break;
6208 			}
6209 		}
6210 		if (la == NULL) {
6211 			if ((nla = malloc(sizeof(*nla))) == NULL)
6212 				err(EXIT_FAILURE, "malloc failed");
6213 			nla->la_at = attr_list[i];
6214 			nla->la_off = off;
6215 			nla->la_lowpc = lowpc;
6216 			nla->la_cu_psize = re->cu_psize;
6217 			nla->la_cu_osize = re->cu_osize;
6218 			nla->la_cu_ver = re->cu_ver;
6219 			TAILQ_INSERT_TAIL(&lalist, nla, la_next);
6220 		}
6221 	}
6222 
6223 cont_search:
6224 	/* Search children. */
6225 	ret = dwarf_child(die, &ret_die, &de);
6226 	if (ret == DW_DLV_ERROR)
6227 		warnx("dwarf_child: %s", dwarf_errmsg(de));
6228 	else if (ret == DW_DLV_OK)
6229 		search_loclist_at(re, ret_die, lowpc);
6230 
6231 	/* Search sibling. */
6232 	ret = dwarf_siblingof_b(re->dbg, die, &ret_die, is_info, &de);
6233 	if (ret == DW_DLV_ERROR)
6234 		warnx("dwarf_siblingof: %s", dwarf_errmsg(de));
6235 	else if (ret == DW_DLV_OK)
6236 		search_loclist_at(re, ret_die, lowpc);
6237 }
6238 
6239 static void
6240 dump_dwarf_loc(struct readelf *re, Dwarf_Loc *lr)
6241 {
6242 	const char *op_str;
6243 	char unk_op[32];
6244 	uint8_t *b, n;
6245 	int i;
6246 
6247 	if (dwarf_get_OP_name(lr->lr_atom, &op_str) !=
6248 	    DW_DLV_OK) {
6249 		snprintf(unk_op, sizeof(unk_op),
6250 		    "[Unknown OP: %#x]", lr->lr_atom);
6251 		op_str = unk_op;
6252 	}
6253 
6254 	printf("%s", op_str);
6255 
6256 	switch (lr->lr_atom) {
6257 	case DW_OP_reg0:
6258 	case DW_OP_reg1:
6259 	case DW_OP_reg2:
6260 	case DW_OP_reg3:
6261 	case DW_OP_reg4:
6262 	case DW_OP_reg5:
6263 	case DW_OP_reg6:
6264 	case DW_OP_reg7:
6265 	case DW_OP_reg8:
6266 	case DW_OP_reg9:
6267 	case DW_OP_reg10:
6268 	case DW_OP_reg11:
6269 	case DW_OP_reg12:
6270 	case DW_OP_reg13:
6271 	case DW_OP_reg14:
6272 	case DW_OP_reg15:
6273 	case DW_OP_reg16:
6274 	case DW_OP_reg17:
6275 	case DW_OP_reg18:
6276 	case DW_OP_reg19:
6277 	case DW_OP_reg20:
6278 	case DW_OP_reg21:
6279 	case DW_OP_reg22:
6280 	case DW_OP_reg23:
6281 	case DW_OP_reg24:
6282 	case DW_OP_reg25:
6283 	case DW_OP_reg26:
6284 	case DW_OP_reg27:
6285 	case DW_OP_reg28:
6286 	case DW_OP_reg29:
6287 	case DW_OP_reg30:
6288 	case DW_OP_reg31:
6289 		printf(" (%s)", dwarf_regname(re, lr->lr_atom - DW_OP_reg0));
6290 		break;
6291 
6292 	case DW_OP_deref:
6293 	case DW_OP_lit0:
6294 	case DW_OP_lit1:
6295 	case DW_OP_lit2:
6296 	case DW_OP_lit3:
6297 	case DW_OP_lit4:
6298 	case DW_OP_lit5:
6299 	case DW_OP_lit6:
6300 	case DW_OP_lit7:
6301 	case DW_OP_lit8:
6302 	case DW_OP_lit9:
6303 	case DW_OP_lit10:
6304 	case DW_OP_lit11:
6305 	case DW_OP_lit12:
6306 	case DW_OP_lit13:
6307 	case DW_OP_lit14:
6308 	case DW_OP_lit15:
6309 	case DW_OP_lit16:
6310 	case DW_OP_lit17:
6311 	case DW_OP_lit18:
6312 	case DW_OP_lit19:
6313 	case DW_OP_lit20:
6314 	case DW_OP_lit21:
6315 	case DW_OP_lit22:
6316 	case DW_OP_lit23:
6317 	case DW_OP_lit24:
6318 	case DW_OP_lit25:
6319 	case DW_OP_lit26:
6320 	case DW_OP_lit27:
6321 	case DW_OP_lit28:
6322 	case DW_OP_lit29:
6323 	case DW_OP_lit30:
6324 	case DW_OP_lit31:
6325 	case DW_OP_dup:
6326 	case DW_OP_drop:
6327 	case DW_OP_over:
6328 	case DW_OP_swap:
6329 	case DW_OP_rot:
6330 	case DW_OP_xderef:
6331 	case DW_OP_abs:
6332 	case DW_OP_and:
6333 	case DW_OP_div:
6334 	case DW_OP_minus:
6335 	case DW_OP_mod:
6336 	case DW_OP_mul:
6337 	case DW_OP_neg:
6338 	case DW_OP_not:
6339 	case DW_OP_or:
6340 	case DW_OP_plus:
6341 	case DW_OP_shl:
6342 	case DW_OP_shr:
6343 	case DW_OP_shra:
6344 	case DW_OP_xor:
6345 	case DW_OP_eq:
6346 	case DW_OP_ge:
6347 	case DW_OP_gt:
6348 	case DW_OP_le:
6349 	case DW_OP_lt:
6350 	case DW_OP_ne:
6351 	case DW_OP_nop:
6352 	case DW_OP_push_object_address:
6353 	case DW_OP_form_tls_address:
6354 	case DW_OP_call_frame_cfa:
6355 	case DW_OP_stack_value:
6356 	case DW_OP_GNU_push_tls_address:
6357 	case DW_OP_GNU_uninit:
6358 		break;
6359 
6360 	case DW_OP_const1u:
6361 	case DW_OP_pick:
6362 	case DW_OP_deref_size:
6363 	case DW_OP_xderef_size:
6364 	case DW_OP_const2u:
6365 	case DW_OP_bra:
6366 	case DW_OP_skip:
6367 	case DW_OP_const4u:
6368 	case DW_OP_const8u:
6369 	case DW_OP_constu:
6370 	case DW_OP_plus_uconst:
6371 	case DW_OP_regx:
6372 	case DW_OP_piece:
6373 		printf(": %ju", (uintmax_t)
6374 		    lr->lr_number);
6375 		break;
6376 
6377 	case DW_OP_const1s:
6378 	case DW_OP_const2s:
6379 	case DW_OP_const4s:
6380 	case DW_OP_const8s:
6381 	case DW_OP_consts:
6382 		printf(": %jd", (intmax_t)
6383 		    lr->lr_number);
6384 		break;
6385 
6386 	case DW_OP_breg0:
6387 	case DW_OP_breg1:
6388 	case DW_OP_breg2:
6389 	case DW_OP_breg3:
6390 	case DW_OP_breg4:
6391 	case DW_OP_breg5:
6392 	case DW_OP_breg6:
6393 	case DW_OP_breg7:
6394 	case DW_OP_breg8:
6395 	case DW_OP_breg9:
6396 	case DW_OP_breg10:
6397 	case DW_OP_breg11:
6398 	case DW_OP_breg12:
6399 	case DW_OP_breg13:
6400 	case DW_OP_breg14:
6401 	case DW_OP_breg15:
6402 	case DW_OP_breg16:
6403 	case DW_OP_breg17:
6404 	case DW_OP_breg18:
6405 	case DW_OP_breg19:
6406 	case DW_OP_breg20:
6407 	case DW_OP_breg21:
6408 	case DW_OP_breg22:
6409 	case DW_OP_breg23:
6410 	case DW_OP_breg24:
6411 	case DW_OP_breg25:
6412 	case DW_OP_breg26:
6413 	case DW_OP_breg27:
6414 	case DW_OP_breg28:
6415 	case DW_OP_breg29:
6416 	case DW_OP_breg30:
6417 	case DW_OP_breg31:
6418 		printf(" (%s): %jd",
6419 		    dwarf_regname(re, lr->lr_atom - DW_OP_breg0),
6420 		    (intmax_t) lr->lr_number);
6421 		break;
6422 
6423 	case DW_OP_fbreg:
6424 		printf(": %jd", (intmax_t)
6425 		    lr->lr_number);
6426 		break;
6427 
6428 	case DW_OP_bregx:
6429 		printf(": %ju (%s) %jd",
6430 		    (uintmax_t) lr->lr_number,
6431 		    dwarf_regname(re, (unsigned int) lr->lr_number),
6432 		    (intmax_t) lr->lr_number2);
6433 		break;
6434 
6435 	case DW_OP_addr:
6436 	case DW_OP_GNU_encoded_addr:
6437 		printf(": %#jx", (uintmax_t)
6438 		    lr->lr_number);
6439 		break;
6440 
6441 	case DW_OP_GNU_implicit_pointer:
6442 		printf(": <0x%jx> %jd", (uintmax_t) lr->lr_number,
6443 		    (intmax_t) lr->lr_number2);
6444 		break;
6445 
6446 	case DW_OP_implicit_value:
6447 		printf(": %ju byte block:", (uintmax_t) lr->lr_number);
6448 		b = (uint8_t *)(uintptr_t) lr->lr_number2;
6449 		for (i = 0; (Dwarf_Unsigned) i < lr->lr_number; i++)
6450 			printf(" %x", b[i]);
6451 		break;
6452 
6453 	case DW_OP_GNU_entry_value:
6454 		printf(": (");
6455 		dump_dwarf_block(re, (uint8_t *)(uintptr_t) lr->lr_number2,
6456 		    lr->lr_number);
6457 		putchar(')');
6458 		break;
6459 
6460 	case DW_OP_GNU_const_type:
6461 		printf(": <0x%jx> ", (uintmax_t) lr->lr_number);
6462 		b = (uint8_t *)(uintptr_t) lr->lr_number2;
6463 		n = *b;
6464 		for (i = 1; (uint8_t) i < n; i++)
6465 			printf(" %x", b[i]);
6466 		break;
6467 
6468 	case DW_OP_GNU_regval_type:
6469 		printf(": %ju (%s) <0x%jx>", (uintmax_t) lr->lr_number,
6470 		    dwarf_regname(re, (unsigned int) lr->lr_number),
6471 		    (uintmax_t) lr->lr_number2);
6472 		break;
6473 
6474 	case DW_OP_GNU_convert:
6475 	case DW_OP_GNU_deref_type:
6476 	case DW_OP_GNU_parameter_ref:
6477 	case DW_OP_GNU_reinterpret:
6478 		printf(": <0x%jx>", (uintmax_t) lr->lr_number);
6479 		break;
6480 
6481 	default:
6482 		break;
6483 	}
6484 }
6485 
6486 static void
6487 dump_dwarf_block(struct readelf *re, uint8_t *b, Dwarf_Unsigned len)
6488 {
6489 	Dwarf_Locdesc *llbuf;
6490 	Dwarf_Signed lcnt;
6491 	Dwarf_Error de;
6492 	int i;
6493 
6494 	if (dwarf_loclist_from_expr_b(re->dbg, b, len, re->cu_psize,
6495 	    re->cu_osize, re->cu_ver, &llbuf, &lcnt, &de) != DW_DLV_OK) {
6496 		warnx("dwarf_loclist_form_expr_b: %s", dwarf_errmsg(de));
6497 		return;
6498 	}
6499 
6500 	for (i = 0; (Dwarf_Half) i < llbuf->ld_cents; i++) {
6501 		dump_dwarf_loc(re, &llbuf->ld_s[i]);
6502 		if (i < llbuf->ld_cents - 1)
6503 			printf("; ");
6504 	}
6505 
6506 	dwarf_dealloc(re->dbg, llbuf->ld_s, DW_DLA_LOC_BLOCK);
6507 	dwarf_dealloc(re->dbg, llbuf, DW_DLA_LOCDESC);
6508 }
6509 
6510 static void
6511 dump_dwarf_loclist(struct readelf *re)
6512 {
6513 	Dwarf_Die die;
6514 	Dwarf_Locdesc **llbuf;
6515 	Dwarf_Unsigned lowpc;
6516 	Dwarf_Signed lcnt;
6517 	Dwarf_Half tag, version, pointer_size, off_size;
6518 	Dwarf_Error de;
6519 	struct loc_at *la;
6520 	int i, j, ret;
6521 
6522 	printf("\nContents of section .debug_loc:\n");
6523 
6524 	/* Search .debug_info section. */
6525 	while ((ret = dwarf_next_cu_header_b(re->dbg, NULL, &version, NULL,
6526 	    &pointer_size, &off_size, NULL, NULL, &de)) == DW_DLV_OK) {
6527 		set_cu_context(re, pointer_size, off_size, version);
6528 		die = NULL;
6529 		if (dwarf_siblingof(re->dbg, die, &die, &de) != DW_DLV_OK)
6530 			continue;
6531 		if (dwarf_tag(die, &tag, &de) != DW_DLV_OK) {
6532 			warnx("dwarf_tag failed: %s", dwarf_errmsg(de));
6533 			continue;
6534 		}
6535 		/* XXX: What about DW_TAG_partial_unit? */
6536 		lowpc = 0;
6537 		if (tag == DW_TAG_compile_unit) {
6538 			if (dwarf_attrval_unsigned(die, DW_AT_low_pc,
6539 				&lowpc, &de) != DW_DLV_OK)
6540 				lowpc = 0;
6541 		}
6542 
6543 		/* Search attributes for reference to .debug_loc section. */
6544 		search_loclist_at(re, die, lowpc);
6545 	}
6546 	if (ret == DW_DLV_ERROR)
6547 		warnx("dwarf_next_cu_header: %s", dwarf_errmsg(de));
6548 
6549 	/* Search .debug_types section. */
6550 	do {
6551 		while ((ret = dwarf_next_cu_header_c(re->dbg, 0, NULL,
6552 		    &version, NULL, &pointer_size, &off_size, NULL, NULL,
6553 		    NULL, NULL, &de)) == DW_DLV_OK) {
6554 			set_cu_context(re, pointer_size, off_size, version);
6555 			die = NULL;
6556 			if (dwarf_siblingof(re->dbg, die, &die, &de) !=
6557 			    DW_DLV_OK)
6558 				continue;
6559 			if (dwarf_tag(die, &tag, &de) != DW_DLV_OK) {
6560 				warnx("dwarf_tag failed: %s",
6561 				    dwarf_errmsg(de));
6562 				continue;
6563 			}
6564 
6565 			lowpc = 0;
6566 			if (tag == DW_TAG_type_unit) {
6567 				if (dwarf_attrval_unsigned(die, DW_AT_low_pc,
6568 				    &lowpc, &de) != DW_DLV_OK)
6569 					lowpc = 0;
6570 			}
6571 
6572 			/*
6573 			 * Search attributes for reference to .debug_loc
6574 			 * section.
6575 			 */
6576 			search_loclist_at(re, die, lowpc);
6577 		}
6578 		if (ret == DW_DLV_ERROR)
6579 			warnx("dwarf_next_cu_header: %s", dwarf_errmsg(de));
6580 	} while (dwarf_next_types_section(re->dbg, &de) == DW_DLV_OK);
6581 
6582 	if (TAILQ_EMPTY(&lalist))
6583 		return;
6584 
6585 	printf("    Offset   Begin    End      Expression\n");
6586 
6587 	TAILQ_FOREACH(la, &lalist, la_next) {
6588 		if (dwarf_loclist_n(la->la_at, &llbuf, &lcnt, &de) !=
6589 		    DW_DLV_OK) {
6590 			warnx("dwarf_loclist_n failed: %s", dwarf_errmsg(de));
6591 			continue;
6592 		}
6593 		set_cu_context(re, la->la_cu_psize, la->la_cu_osize,
6594 		    la->la_cu_ver);
6595 		for (i = 0; i < lcnt; i++) {
6596 			printf("    %8.8jx ", la->la_off);
6597 			if (llbuf[i]->ld_lopc == 0 && llbuf[i]->ld_hipc == 0) {
6598 				printf("<End of list>\n");
6599 				continue;
6600 			}
6601 
6602 			/* TODO: handle base selection entry. */
6603 
6604 			printf("%8.8jx %8.8jx ",
6605 			    (uintmax_t) (la->la_lowpc + llbuf[i]->ld_lopc),
6606 			    (uintmax_t) (la->la_lowpc + llbuf[i]->ld_hipc));
6607 
6608 			putchar('(');
6609 			for (j = 0; (Dwarf_Half) j < llbuf[i]->ld_cents; j++) {
6610 				dump_dwarf_loc(re, &llbuf[i]->ld_s[j]);
6611 				if (j < llbuf[i]->ld_cents - 1)
6612 					printf("; ");
6613 			}
6614 			putchar(')');
6615 
6616 			if (llbuf[i]->ld_lopc == llbuf[i]->ld_hipc)
6617 				printf(" (start == end)");
6618 			putchar('\n');
6619 		}
6620 		for (i = 0; i < lcnt; i++) {
6621 			dwarf_dealloc(re->dbg, llbuf[i]->ld_s,
6622 			    DW_DLA_LOC_BLOCK);
6623 			dwarf_dealloc(re->dbg, llbuf[i], DW_DLA_LOCDESC);
6624 		}
6625 		dwarf_dealloc(re->dbg, llbuf, DW_DLA_LIST);
6626 	}
6627 }
6628 
6629 /*
6630  * Retrieve a string using string table section index and the string offset.
6631  */
6632 static const char*
6633 get_string(struct readelf *re, int strtab, size_t off)
6634 {
6635 	const char *name;
6636 
6637 	if ((name = elf_strptr(re->elf, strtab, off)) == NULL)
6638 		return ("");
6639 
6640 	return (name);
6641 }
6642 
6643 /*
6644  * Retrieve the name of a symbol using the section index of the symbol
6645  * table and the index of the symbol within that table.
6646  */
6647 static const char *
6648 get_symbol_name(struct readelf *re, int symtab, int i)
6649 {
6650 	struct section	*s;
6651 	const char	*name;
6652 	GElf_Sym	 sym;
6653 	Elf_Data	*data;
6654 	int		 elferr;
6655 
6656 	s = &re->sl[symtab];
6657 	if (s->type != SHT_SYMTAB && s->type != SHT_DYNSYM)
6658 		return ("");
6659 	(void) elf_errno();
6660 	if ((data = elf_getdata(s->scn, NULL)) == NULL) {
6661 		elferr = elf_errno();
6662 		if (elferr != 0)
6663 			warnx("elf_getdata failed: %s", elf_errmsg(elferr));
6664 		return ("");
6665 	}
6666 	if (gelf_getsym(data, i, &sym) != &sym)
6667 		return ("");
6668 	/* Return section name for STT_SECTION symbol. */
6669 	if (GELF_ST_TYPE(sym.st_info) == STT_SECTION &&
6670 	    re->sl[sym.st_shndx].name != NULL)
6671 		return (re->sl[sym.st_shndx].name);
6672 	if ((name = elf_strptr(re->elf, s->link, sym.st_name)) == NULL)
6673 		return ("");
6674 
6675 	return (name);
6676 }
6677 
6678 static uint64_t
6679 get_symbol_value(struct readelf *re, int symtab, int i)
6680 {
6681 	struct section	*s;
6682 	GElf_Sym	 sym;
6683 	Elf_Data	*data;
6684 	int		 elferr;
6685 
6686 	s = &re->sl[symtab];
6687 	if (s->type != SHT_SYMTAB && s->type != SHT_DYNSYM)
6688 		return (0);
6689 	(void) elf_errno();
6690 	if ((data = elf_getdata(s->scn, NULL)) == NULL) {
6691 		elferr = elf_errno();
6692 		if (elferr != 0)
6693 			warnx("elf_getdata failed: %s", elf_errmsg(elferr));
6694 		return (0);
6695 	}
6696 	if (gelf_getsym(data, i, &sym) != &sym)
6697 		return (0);
6698 
6699 	return (sym.st_value);
6700 }
6701 
6702 static void
6703 hex_dump(struct readelf *re)
6704 {
6705 	struct section *s;
6706 	Elf_Data *d;
6707 	uint8_t *buf;
6708 	size_t sz, nbytes;
6709 	uint64_t addr;
6710 	int elferr, i, j;
6711 
6712 	for (i = 1; (size_t) i < re->shnum; i++) {
6713 		s = &re->sl[i];
6714 		if (find_dumpop(re, (size_t) i, s->name, HEX_DUMP, -1) == NULL)
6715 			continue;
6716 		(void) elf_errno();
6717 		if ((d = elf_getdata(s->scn, NULL)) == NULL) {
6718 			elferr = elf_errno();
6719 			if (elferr != 0)
6720 				warnx("elf_getdata failed: %s",
6721 				    elf_errmsg(elferr));
6722 			continue;
6723 		}
6724 		if (d->d_size <= 0 || d->d_buf == NULL) {
6725 			printf("\nSection '%s' has no data to dump.\n",
6726 			    s->name);
6727 			continue;
6728 		}
6729 		buf = d->d_buf;
6730 		sz = d->d_size;
6731 		addr = s->addr;
6732 		printf("\nHex dump of section '%s':\n", s->name);
6733 		while (sz > 0) {
6734 			printf("  0x%8.8jx ", (uintmax_t)addr);
6735 			nbytes = sz > 16? 16 : sz;
6736 			for (j = 0; j < 16; j++) {
6737 				if ((size_t)j < nbytes)
6738 					printf("%2.2x", buf[j]);
6739 				else
6740 					printf("  ");
6741 				if ((j & 3) == 3)
6742 					printf(" ");
6743 			}
6744 			for (j = 0; (size_t)j < nbytes; j++) {
6745 				if (isprint(buf[j]))
6746 					printf("%c", buf[j]);
6747 				else
6748 					printf(".");
6749 			}
6750 			printf("\n");
6751 			buf += nbytes;
6752 			addr += nbytes;
6753 			sz -= nbytes;
6754 		}
6755 	}
6756 }
6757 
6758 static void
6759 str_dump(struct readelf *re)
6760 {
6761 	struct section *s;
6762 	Elf_Data *d;
6763 	unsigned char *start, *end, *buf_end;
6764 	unsigned int len;
6765 	int i, j, elferr, found;
6766 
6767 	for (i = 1; (size_t) i < re->shnum; i++) {
6768 		s = &re->sl[i];
6769 		if (find_dumpop(re, (size_t) i, s->name, STR_DUMP, -1) == NULL)
6770 			continue;
6771 		(void) elf_errno();
6772 		if ((d = elf_getdata(s->scn, NULL)) == NULL) {
6773 			elferr = elf_errno();
6774 			if (elferr != 0)
6775 				warnx("elf_getdata failed: %s",
6776 				    elf_errmsg(elferr));
6777 			continue;
6778 		}
6779 		if (d->d_size <= 0 || d->d_buf == NULL) {
6780 			printf("\nSection '%s' has no data to dump.\n",
6781 			    s->name);
6782 			continue;
6783 		}
6784 		buf_end = (unsigned char *) d->d_buf + d->d_size;
6785 		start = (unsigned char *) d->d_buf;
6786 		found = 0;
6787 		printf("\nString dump of section '%s':\n", s->name);
6788 		for (;;) {
6789 			while (start < buf_end && !isprint(*start))
6790 				start++;
6791 			if (start >= buf_end)
6792 				break;
6793 			end = start + 1;
6794 			while (end < buf_end && isprint(*end))
6795 				end++;
6796 			printf("  [%6lx]  ",
6797 			    (long) (start - (unsigned char *) d->d_buf));
6798 			len = end - start;
6799 			for (j = 0; (unsigned int) j < len; j++)
6800 				putchar(start[j]);
6801 			putchar('\n');
6802 			found = 1;
6803 			if (end >= buf_end)
6804 				break;
6805 			start = end + 1;
6806 		}
6807 		if (!found)
6808 			printf("  No strings found in this section.");
6809 		putchar('\n');
6810 	}
6811 }
6812 
6813 static void
6814 load_sections(struct readelf *re)
6815 {
6816 	struct section	*s;
6817 	const char	*name;
6818 	Elf_Scn		*scn;
6819 	GElf_Shdr	 sh;
6820 	size_t		 shstrndx, ndx;
6821 	int		 elferr;
6822 
6823 	/* Allocate storage for internal section list. */
6824 	if (!elf_getshnum(re->elf, &re->shnum)) {
6825 		warnx("elf_getshnum failed: %s", elf_errmsg(-1));
6826 		return;
6827 	}
6828 	if (re->sl != NULL)
6829 		free(re->sl);
6830 	if ((re->sl = calloc(re->shnum, sizeof(*re->sl))) == NULL)
6831 		err(EXIT_FAILURE, "calloc failed");
6832 
6833 	/* Get the index of .shstrtab section. */
6834 	if (!elf_getshstrndx(re->elf, &shstrndx)) {
6835 		warnx("elf_getshstrndx failed: %s", elf_errmsg(-1));
6836 		return;
6837 	}
6838 
6839 	if ((scn = elf_getscn(re->elf, 0)) == NULL)
6840 		return;
6841 
6842 	(void) elf_errno();
6843 	do {
6844 		if (gelf_getshdr(scn, &sh) == NULL) {
6845 			warnx("gelf_getshdr failed: %s", elf_errmsg(-1));
6846 			(void) elf_errno();
6847 			continue;
6848 		}
6849 		if ((name = elf_strptr(re->elf, shstrndx, sh.sh_name)) == NULL) {
6850 			(void) elf_errno();
6851 			name = "ERROR";
6852 		}
6853 		if ((ndx = elf_ndxscn(scn)) == SHN_UNDEF) {
6854 			if ((elferr = elf_errno()) != 0)
6855 				warnx("elf_ndxscn failed: %s",
6856 				    elf_errmsg(elferr));
6857 			continue;
6858 		}
6859 		if (ndx >= re->shnum) {
6860 			warnx("section index of '%s' out of range", name);
6861 			continue;
6862 		}
6863 		s = &re->sl[ndx];
6864 		s->name = name;
6865 		s->scn = scn;
6866 		s->off = sh.sh_offset;
6867 		s->sz = sh.sh_size;
6868 		s->entsize = sh.sh_entsize;
6869 		s->align = sh.sh_addralign;
6870 		s->type = sh.sh_type;
6871 		s->flags = sh.sh_flags;
6872 		s->addr = sh.sh_addr;
6873 		s->link = sh.sh_link;
6874 		s->info = sh.sh_info;
6875 	} while ((scn = elf_nextscn(re->elf, scn)) != NULL);
6876 	elferr = elf_errno();
6877 	if (elferr != 0)
6878 		warnx("elf_nextscn failed: %s", elf_errmsg(elferr));
6879 }
6880 
6881 static void
6882 unload_sections(struct readelf *re)
6883 {
6884 
6885 	if (re->sl != NULL) {
6886 		free(re->sl);
6887 		re->sl = NULL;
6888 	}
6889 	re->shnum = 0;
6890 	re->vd_s = NULL;
6891 	re->vn_s = NULL;
6892 	re->vs_s = NULL;
6893 	re->vs = NULL;
6894 	re->vs_sz = 0;
6895 	if (re->ver != NULL) {
6896 		free(re->ver);
6897 		re->ver = NULL;
6898 		re->ver_sz = 0;
6899 	}
6900 }
6901 
6902 static void
6903 dump_elf(struct readelf *re)
6904 {
6905 
6906 	/* Fetch ELF header. No need to continue if it fails. */
6907 	if (gelf_getehdr(re->elf, &re->ehdr) == NULL) {
6908 		warnx("gelf_getehdr failed: %s", elf_errmsg(-1));
6909 		return;
6910 	}
6911 	if ((re->ec = gelf_getclass(re->elf)) == ELFCLASSNONE) {
6912 		warnx("gelf_getclass failed: %s", elf_errmsg(-1));
6913 		return;
6914 	}
6915 	if (re->ehdr.e_ident[EI_DATA] == ELFDATA2MSB) {
6916 		re->dw_read = _read_msb;
6917 		re->dw_decode = _decode_msb;
6918 	} else {
6919 		re->dw_read = _read_lsb;
6920 		re->dw_decode = _decode_lsb;
6921 	}
6922 
6923 	if (re->options & ~RE_H)
6924 		load_sections(re);
6925 	if ((re->options & RE_VV) || (re->options & RE_S))
6926 		search_ver(re);
6927 	if (re->options & RE_H)
6928 		dump_ehdr(re);
6929 	if (re->options & RE_L)
6930 		dump_phdr(re);
6931 	if (re->options & RE_SS)
6932 		dump_shdr(re);
6933 	if (re->options & RE_G)
6934 		dump_section_groups(re);
6935 	if (re->options & RE_D)
6936 		dump_dynamic(re);
6937 	if (re->options & RE_R)
6938 		dump_reloc(re);
6939 	if (re->options & RE_S)
6940 		dump_symtabs(re);
6941 	if (re->options & RE_N)
6942 		dump_notes(re);
6943 	if (re->options & RE_II)
6944 		dump_hash(re);
6945 	if (re->options & RE_X)
6946 		hex_dump(re);
6947 	if (re->options & RE_P)
6948 		str_dump(re);
6949 	if (re->options & RE_VV)
6950 		dump_ver(re);
6951 	if (re->options & RE_AA)
6952 		dump_arch_specific_info(re);
6953 	if (re->options & RE_W)
6954 		dump_dwarf(re);
6955 	if (re->options & ~RE_H)
6956 		unload_sections(re);
6957 }
6958 
6959 static void
6960 dump_dwarf(struct readelf *re)
6961 {
6962 	int error;
6963 	Dwarf_Error de;
6964 
6965 	if (dwarf_elf_init(re->elf, DW_DLC_READ, NULL, NULL, &re->dbg, &de)) {
6966 		if ((error = dwarf_errno(de)) != DW_DLE_DEBUG_INFO_NULL)
6967 			errx(EXIT_FAILURE, "dwarf_elf_init failed: %s",
6968 			    dwarf_errmsg(de));
6969 		return;
6970 	}
6971 
6972 	if (re->dop & DW_A)
6973 		dump_dwarf_abbrev(re);
6974 	if (re->dop & DW_L)
6975 		dump_dwarf_line(re);
6976 	if (re->dop & DW_LL)
6977 		dump_dwarf_line_decoded(re);
6978 	if (re->dop & DW_I) {
6979 		dump_dwarf_info(re, 0);
6980 		dump_dwarf_info(re, 1);
6981 	}
6982 	if (re->dop & DW_P)
6983 		dump_dwarf_pubnames(re);
6984 	if (re->dop & DW_R)
6985 		dump_dwarf_aranges(re);
6986 	if (re->dop & DW_RR)
6987 		dump_dwarf_ranges(re);
6988 	if (re->dop & DW_M)
6989 		dump_dwarf_macinfo(re);
6990 	if (re->dop & DW_F)
6991 		dump_dwarf_frame(re, 0);
6992 	else if (re->dop & DW_FF)
6993 		dump_dwarf_frame(re, 1);
6994 	if (re->dop & DW_S)
6995 		dump_dwarf_str(re);
6996 	if (re->dop & DW_O)
6997 		dump_dwarf_loclist(re);
6998 
6999 	dwarf_finish(re->dbg, &de);
7000 }
7001 
7002 static void
7003 dump_ar(struct readelf *re, int fd)
7004 {
7005 	Elf_Arsym *arsym;
7006 	Elf_Arhdr *arhdr;
7007 	Elf_Cmd cmd;
7008 	Elf *e;
7009 	size_t sz;
7010 	off_t off;
7011 	int i;
7012 
7013 	re->ar = re->elf;
7014 
7015 	if (re->options & RE_C) {
7016 		if ((arsym = elf_getarsym(re->ar, &sz)) == NULL) {
7017 			warnx("elf_getarsym() failed: %s", elf_errmsg(-1));
7018 			goto process_members;
7019 		}
7020 		printf("Index of archive %s: (%ju entries)\n", re->filename,
7021 		    (uintmax_t) sz - 1);
7022 		off = 0;
7023 		for (i = 0; (size_t) i < sz; i++) {
7024 			if (arsym[i].as_name == NULL)
7025 				break;
7026 			if (arsym[i].as_off != off) {
7027 				off = arsym[i].as_off;
7028 				if (elf_rand(re->ar, off) != off) {
7029 					warnx("elf_rand() failed: %s",
7030 					    elf_errmsg(-1));
7031 					continue;
7032 				}
7033 				if ((e = elf_begin(fd, ELF_C_READ, re->ar)) ==
7034 				    NULL) {
7035 					warnx("elf_begin() failed: %s",
7036 					    elf_errmsg(-1));
7037 					continue;
7038 				}
7039 				if ((arhdr = elf_getarhdr(e)) == NULL) {
7040 					warnx("elf_getarhdr() failed: %s",
7041 					    elf_errmsg(-1));
7042 					elf_end(e);
7043 					continue;
7044 				}
7045 				printf("Binary %s(%s) contains:\n",
7046 				    re->filename, arhdr->ar_name);
7047 			}
7048 			printf("\t%s\n", arsym[i].as_name);
7049 		}
7050 		if (elf_rand(re->ar, SARMAG) != SARMAG) {
7051 			warnx("elf_rand() failed: %s", elf_errmsg(-1));
7052 			return;
7053 		}
7054 	}
7055 
7056 process_members:
7057 
7058 	if ((re->options & ~RE_C) == 0)
7059 		return;
7060 
7061 	cmd = ELF_C_READ;
7062 	while ((re->elf = elf_begin(fd, cmd, re->ar)) != NULL) {
7063 		if ((arhdr = elf_getarhdr(re->elf)) == NULL) {
7064 			warnx("elf_getarhdr() failed: %s", elf_errmsg(-1));
7065 			goto next_member;
7066 		}
7067 		if (strcmp(arhdr->ar_name, "/") == 0 ||
7068 		    strcmp(arhdr->ar_name, "//") == 0 ||
7069 		    strcmp(arhdr->ar_name, "__.SYMDEF") == 0)
7070 			goto next_member;
7071 		printf("\nFile: %s(%s)\n", re->filename, arhdr->ar_name);
7072 		dump_elf(re);
7073 
7074 	next_member:
7075 		cmd = elf_next(re->elf);
7076 		elf_end(re->elf);
7077 	}
7078 	re->elf = re->ar;
7079 }
7080 
7081 static void
7082 dump_object(struct readelf *re)
7083 {
7084 	int fd;
7085 
7086 	if ((fd = open(re->filename, O_RDONLY)) == -1) {
7087 		warn("open %s failed", re->filename);
7088 		return;
7089 	}
7090 
7091 	if ((re->flags & DISPLAY_FILENAME) != 0)
7092 		printf("\nFile: %s\n", re->filename);
7093 
7094 	if ((re->elf = elf_begin(fd, ELF_C_READ, NULL)) == NULL) {
7095 		warnx("elf_begin() failed: %s", elf_errmsg(-1));
7096 		return;
7097 	}
7098 
7099 	switch (elf_kind(re->elf)) {
7100 	case ELF_K_NONE:
7101 		warnx("Not an ELF file.");
7102 		return;
7103 	case ELF_K_ELF:
7104 		dump_elf(re);
7105 		break;
7106 	case ELF_K_AR:
7107 		dump_ar(re, fd);
7108 		break;
7109 	default:
7110 		warnx("Internal: libelf returned unknown elf kind.");
7111 		return;
7112 	}
7113 
7114 	elf_end(re->elf);
7115 }
7116 
7117 static void
7118 add_dumpop(struct readelf *re, size_t si, const char *sn, int op, int t)
7119 {
7120 	struct dumpop *d;
7121 
7122 	if ((d = find_dumpop(re, si, sn, -1, t)) == NULL) {
7123 		if ((d = calloc(1, sizeof(*d))) == NULL)
7124 			err(EXIT_FAILURE, "calloc failed");
7125 		if (t == DUMP_BY_INDEX)
7126 			d->u.si = si;
7127 		else
7128 			d->u.sn = sn;
7129 		d->type = t;
7130 		d->op = op;
7131 		STAILQ_INSERT_TAIL(&re->v_dumpop, d, dumpop_list);
7132 	} else
7133 		d->op |= op;
7134 }
7135 
7136 static struct dumpop *
7137 find_dumpop(struct readelf *re, size_t si, const char *sn, int op, int t)
7138 {
7139 	struct dumpop *d;
7140 
7141 	STAILQ_FOREACH(d, &re->v_dumpop, dumpop_list) {
7142 		if ((op == -1 || op & d->op) &&
7143 		    (t == -1 || (unsigned) t == d->type)) {
7144 			if ((d->type == DUMP_BY_INDEX && d->u.si == si) ||
7145 			    (d->type == DUMP_BY_NAME && !strcmp(d->u.sn, sn)))
7146 				return (d);
7147 		}
7148 	}
7149 
7150 	return (NULL);
7151 }
7152 
7153 static struct {
7154 	const char *ln;
7155 	char sn;
7156 	int value;
7157 } dwarf_op[] = {
7158 	{"rawline", 'l', DW_L},
7159 	{"decodedline", 'L', DW_LL},
7160 	{"info", 'i', DW_I},
7161 	{"abbrev", 'a', DW_A},
7162 	{"pubnames", 'p', DW_P},
7163 	{"aranges", 'r', DW_R},
7164 	{"ranges", 'r', DW_R},
7165 	{"Ranges", 'R', DW_RR},
7166 	{"macro", 'm', DW_M},
7167 	{"frames", 'f', DW_F},
7168 	{"frames-interp", 'F', DW_FF},
7169 	{"str", 's', DW_S},
7170 	{"loc", 'o', DW_O},
7171 	{NULL, 0, 0}
7172 };
7173 
7174 static void
7175 parse_dwarf_op_short(struct readelf *re, const char *op)
7176 {
7177 	int i;
7178 
7179 	if (op == NULL) {
7180 		re->dop |= DW_DEFAULT_OPTIONS;
7181 		return;
7182 	}
7183 
7184 	for (; *op != '\0'; op++) {
7185 		for (i = 0; dwarf_op[i].ln != NULL; i++) {
7186 			if (dwarf_op[i].sn == *op) {
7187 				re->dop |= dwarf_op[i].value;
7188 				break;
7189 			}
7190 		}
7191 	}
7192 }
7193 
7194 static void
7195 parse_dwarf_op_long(struct readelf *re, const char *op)
7196 {
7197 	char *p, *token, *bp;
7198 	int i;
7199 
7200 	if (op == NULL) {
7201 		re->dop |= DW_DEFAULT_OPTIONS;
7202 		return;
7203 	}
7204 
7205 	if ((p = strdup(op)) == NULL)
7206 		err(EXIT_FAILURE, "strdup failed");
7207 	bp = p;
7208 
7209 	while ((token = strsep(&p, ",")) != NULL) {
7210 		for (i = 0; dwarf_op[i].ln != NULL; i++) {
7211 			if (!strcmp(token, dwarf_op[i].ln)) {
7212 				re->dop |= dwarf_op[i].value;
7213 				break;
7214 			}
7215 		}
7216 	}
7217 
7218 	free(bp);
7219 }
7220 
7221 static uint64_t
7222 _read_lsb(Elf_Data *d, uint64_t *offsetp, int bytes_to_read)
7223 {
7224 	uint64_t ret;
7225 	uint8_t *src;
7226 
7227 	src = (uint8_t *) d->d_buf + *offsetp;
7228 
7229 	ret = 0;
7230 	switch (bytes_to_read) {
7231 	case 8:
7232 		ret |= ((uint64_t) src[4]) << 32 | ((uint64_t) src[5]) << 40;
7233 		ret |= ((uint64_t) src[6]) << 48 | ((uint64_t) src[7]) << 56;
7234 	case 4:
7235 		ret |= ((uint64_t) src[2]) << 16 | ((uint64_t) src[3]) << 24;
7236 	case 2:
7237 		ret |= ((uint64_t) src[1]) << 8;
7238 	case 1:
7239 		ret |= src[0];
7240 		break;
7241 	default:
7242 		return (0);
7243 	}
7244 
7245 	*offsetp += bytes_to_read;
7246 
7247 	return (ret);
7248 }
7249 
7250 static uint64_t
7251 _read_msb(Elf_Data *d, uint64_t *offsetp, int bytes_to_read)
7252 {
7253 	uint64_t ret;
7254 	uint8_t *src;
7255 
7256 	src = (uint8_t *) d->d_buf + *offsetp;
7257 
7258 	switch (bytes_to_read) {
7259 	case 1:
7260 		ret = src[0];
7261 		break;
7262 	case 2:
7263 		ret = src[1] | ((uint64_t) src[0]) << 8;
7264 		break;
7265 	case 4:
7266 		ret = src[3] | ((uint64_t) src[2]) << 8;
7267 		ret |= ((uint64_t) src[1]) << 16 | ((uint64_t) src[0]) << 24;
7268 		break;
7269 	case 8:
7270 		ret = src[7] | ((uint64_t) src[6]) << 8;
7271 		ret |= ((uint64_t) src[5]) << 16 | ((uint64_t) src[4]) << 24;
7272 		ret |= ((uint64_t) src[3]) << 32 | ((uint64_t) src[2]) << 40;
7273 		ret |= ((uint64_t) src[1]) << 48 | ((uint64_t) src[0]) << 56;
7274 		break;
7275 	default:
7276 		return (0);
7277 	}
7278 
7279 	*offsetp += bytes_to_read;
7280 
7281 	return (ret);
7282 }
7283 
7284 static uint64_t
7285 _decode_lsb(uint8_t **data, int bytes_to_read)
7286 {
7287 	uint64_t ret;
7288 	uint8_t *src;
7289 
7290 	src = *data;
7291 
7292 	ret = 0;
7293 	switch (bytes_to_read) {
7294 	case 8:
7295 		ret |= ((uint64_t) src[4]) << 32 | ((uint64_t) src[5]) << 40;
7296 		ret |= ((uint64_t) src[6]) << 48 | ((uint64_t) src[7]) << 56;
7297 	case 4:
7298 		ret |= ((uint64_t) src[2]) << 16 | ((uint64_t) src[3]) << 24;
7299 	case 2:
7300 		ret |= ((uint64_t) src[1]) << 8;
7301 	case 1:
7302 		ret |= src[0];
7303 		break;
7304 	default:
7305 		return (0);
7306 	}
7307 
7308 	*data += bytes_to_read;
7309 
7310 	return (ret);
7311 }
7312 
7313 static uint64_t
7314 _decode_msb(uint8_t **data, int bytes_to_read)
7315 {
7316 	uint64_t ret;
7317 	uint8_t *src;
7318 
7319 	src = *data;
7320 
7321 	ret = 0;
7322 	switch (bytes_to_read) {
7323 	case 1:
7324 		ret = src[0];
7325 		break;
7326 	case 2:
7327 		ret = src[1] | ((uint64_t) src[0]) << 8;
7328 		break;
7329 	case 4:
7330 		ret = src[3] | ((uint64_t) src[2]) << 8;
7331 		ret |= ((uint64_t) src[1]) << 16 | ((uint64_t) src[0]) << 24;
7332 		break;
7333 	case 8:
7334 		ret = src[7] | ((uint64_t) src[6]) << 8;
7335 		ret |= ((uint64_t) src[5]) << 16 | ((uint64_t) src[4]) << 24;
7336 		ret |= ((uint64_t) src[3]) << 32 | ((uint64_t) src[2]) << 40;
7337 		ret |= ((uint64_t) src[1]) << 48 | ((uint64_t) src[0]) << 56;
7338 		break;
7339 	default:
7340 		return (0);
7341 		break;
7342 	}
7343 
7344 	*data += bytes_to_read;
7345 
7346 	return (ret);
7347 }
7348 
7349 static int64_t
7350 _decode_sleb128(uint8_t **dp)
7351 {
7352 	int64_t ret = 0;
7353 	uint8_t b;
7354 	int shift = 0;
7355 
7356 	uint8_t *src = *dp;
7357 
7358 	do {
7359 		b = *src++;
7360 		ret |= ((b & 0x7f) << shift);
7361 		shift += 7;
7362 	} while ((b & 0x80) != 0);
7363 
7364 	if (shift < 32 && (b & 0x40) != 0)
7365 		ret |= (-1 << shift);
7366 
7367 	*dp = src;
7368 
7369 	return (ret);
7370 }
7371 
7372 static uint64_t
7373 _decode_uleb128(uint8_t **dp)
7374 {
7375 	uint64_t ret = 0;
7376 	uint8_t b;
7377 	int shift = 0;
7378 
7379 	uint8_t *src = *dp;
7380 
7381 	do {
7382 		b = *src++;
7383 		ret |= ((b & 0x7f) << shift);
7384 		shift += 7;
7385 	} while ((b & 0x80) != 0);
7386 
7387 	*dp = src;
7388 
7389 	return (ret);
7390 }
7391 
7392 static void
7393 readelf_version(void)
7394 {
7395 	(void) printf("%s (%s)\n", ELFTC_GETPROGNAME(),
7396 	    elftc_version());
7397 	exit(EXIT_SUCCESS);
7398 }
7399 
7400 #define	USAGE_MESSAGE	"\
7401 Usage: %s [options] file...\n\
7402   Display information about ELF objects and ar(1) archives.\n\n\
7403   Options:\n\
7404   -a | --all               Equivalent to specifying options '-dhIlrsASV'.\n\
7405   -c | --archive-index     Print the archive symbol table for archives.\n\
7406   -d | --dynamic           Print the contents of SHT_DYNAMIC sections.\n\
7407   -e | --headers           Print all headers in the object.\n\
7408   -g | --section-groups    Print the contents of the section groups.\n\
7409   -h | --file-header       Print the file header for the object.\n\
7410   -l | --program-headers   Print the PHDR table for the object.\n\
7411   -n | --notes             Print the contents of SHT_NOTE sections.\n\
7412   -p INDEX | --string-dump=INDEX\n\
7413                            Print the contents of section at index INDEX.\n\
7414   -r | --relocs            Print relocation information.\n\
7415   -s | --syms | --symbols  Print symbol tables.\n\
7416   -t | --section-details   Print additional information about sections.\n\
7417   -v | --version           Print a version identifier and exit.\n\
7418   -x INDEX | --hex-dump=INDEX\n\
7419                            Display contents of a section as hexadecimal.\n\
7420   -A | --arch-specific     (accepted, but ignored)\n\
7421   -D | --use-dynamic       Print the symbol table specified by the DT_SYMTAB\n\
7422                            entry in the \".dynamic\" section.\n\
7423   -H | --help              Print a help message.\n\
7424   -I | --histogram         Print information on bucket list lengths for \n\
7425                            hash sections.\n\
7426   -N | --full-section-name (accepted, but ignored)\n\
7427   -S | --sections | --section-headers\n\
7428                            Print information about section headers.\n\
7429   -V | --version-info      Print symbol versoning information.\n\
7430   -W | --wide              Print information without wrapping long lines.\n"
7431 
7432 
7433 static void
7434 readelf_usage(void)
7435 {
7436 	fprintf(stderr, USAGE_MESSAGE, ELFTC_GETPROGNAME());
7437 	exit(EXIT_FAILURE);
7438 }
7439 
7440 int
7441 main(int argc, char **argv)
7442 {
7443 	struct readelf	*re, re_storage;
7444 	unsigned long	 si;
7445 	int		 opt, i;
7446 	char		*ep;
7447 
7448 	re = &re_storage;
7449 	memset(re, 0, sizeof(*re));
7450 	STAILQ_INIT(&re->v_dumpop);
7451 
7452 	while ((opt = getopt_long(argc, argv, "AacDdegHhIi:lNnp:rSstuVvWw::x:",
7453 	    longopts, NULL)) != -1) {
7454 		switch(opt) {
7455 		case '?':
7456 			readelf_usage();
7457 			break;
7458 		case 'A':
7459 			re->options |= RE_AA;
7460 			break;
7461 		case 'a':
7462 			re->options |= RE_AA | RE_D | RE_G | RE_H | RE_II |
7463 			    RE_L | RE_R | RE_SS | RE_S | RE_VV;
7464 			break;
7465 		case 'c':
7466 			re->options |= RE_C;
7467 			break;
7468 		case 'D':
7469 			re->options |= RE_DD;
7470 			break;
7471 		case 'd':
7472 			re->options |= RE_D;
7473 			break;
7474 		case 'e':
7475 			re->options |= RE_H | RE_L | RE_SS;
7476 			break;
7477 		case 'g':
7478 			re->options |= RE_G;
7479 			break;
7480 		case 'H':
7481 			readelf_usage();
7482 			break;
7483 		case 'h':
7484 			re->options |= RE_H;
7485 			break;
7486 		case 'I':
7487 			re->options |= RE_II;
7488 			break;
7489 		case 'i':
7490 			/* Not implemented yet. */
7491 			break;
7492 		case 'l':
7493 			re->options |= RE_L;
7494 			break;
7495 		case 'N':
7496 			re->options |= RE_NN;
7497 			break;
7498 		case 'n':
7499 			re->options |= RE_N;
7500 			break;
7501 		case 'p':
7502 			re->options |= RE_P;
7503 			si = strtoul(optarg, &ep, 10);
7504 			if (*ep == '\0')
7505 				add_dumpop(re, (size_t) si, NULL, STR_DUMP,
7506 				    DUMP_BY_INDEX);
7507 			else
7508 				add_dumpop(re, 0, optarg, STR_DUMP,
7509 				    DUMP_BY_NAME);
7510 			break;
7511 		case 'r':
7512 			re->options |= RE_R;
7513 			break;
7514 		case 'S':
7515 			re->options |= RE_SS;
7516 			break;
7517 		case 's':
7518 			re->options |= RE_S;
7519 			break;
7520 		case 't':
7521 			re->options |= RE_T;
7522 			break;
7523 		case 'u':
7524 			re->options |= RE_U;
7525 			break;
7526 		case 'V':
7527 			re->options |= RE_VV;
7528 			break;
7529 		case 'v':
7530 			readelf_version();
7531 			break;
7532 		case 'W':
7533 			re->options |= RE_WW;
7534 			break;
7535 		case 'w':
7536 			re->options |= RE_W;
7537 			parse_dwarf_op_short(re, optarg);
7538 			break;
7539 		case 'x':
7540 			re->options |= RE_X;
7541 			si = strtoul(optarg, &ep, 10);
7542 			if (*ep == '\0')
7543 				add_dumpop(re, (size_t) si, NULL, HEX_DUMP,
7544 				    DUMP_BY_INDEX);
7545 			else
7546 				add_dumpop(re, 0, optarg, HEX_DUMP,
7547 				    DUMP_BY_NAME);
7548 			break;
7549 		case OPTION_DEBUG_DUMP:
7550 			re->options |= RE_W;
7551 			parse_dwarf_op_long(re, optarg);
7552 		}
7553 	}
7554 
7555 	argv += optind;
7556 	argc -= optind;
7557 
7558 	if (argc == 0 || re->options == 0)
7559 		readelf_usage();
7560 
7561 	if (argc > 1)
7562 		re->flags |= DISPLAY_FILENAME;
7563 
7564 	if (elf_version(EV_CURRENT) == EV_NONE)
7565 		errx(EXIT_FAILURE, "ELF library initialization failed: %s",
7566 		    elf_errmsg(-1));
7567 
7568 	for (i = 0; i < argc; i++) {
7569 		re->filename = argv[i];
7570 		dump_object(re);
7571 	}
7572 
7573 	exit(EXIT_SUCCESS);
7574 }
7575