17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate * CDDL HEADER START
37c478bd9Sstevel@tonic-gate *
47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
55aefb655Srie * Common Development and Distribution License (the "License").
65aefb655Srie * You may not use this file except in compliance with the License.
77c478bd9Sstevel@tonic-gate *
87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
117c478bd9Sstevel@tonic-gate * and limitations under the License.
127c478bd9Sstevel@tonic-gate *
137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
187c478bd9Sstevel@tonic-gate *
197c478bd9Sstevel@tonic-gate * CDDL HEADER END
207c478bd9Sstevel@tonic-gate */
215aefb655Srie
227c478bd9Sstevel@tonic-gate /*
237c478bd9Sstevel@tonic-gate * Copyright (c) 1988 AT&T
247c478bd9Sstevel@tonic-gate * All Rights Reserved
257c478bd9Sstevel@tonic-gate *
26f441771bSRod Evans * Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
277c478bd9Sstevel@tonic-gate */
287c478bd9Sstevel@tonic-gate
297c478bd9Sstevel@tonic-gate /*
307c478bd9Sstevel@tonic-gate * Update the new output file image, perform virtual address, offset and
317c478bd9Sstevel@tonic-gate * displacement calculations on the program headers and sections headers,
327c478bd9Sstevel@tonic-gate * and generate any new output section information.
337c478bd9Sstevel@tonic-gate */
34ba2be530Sab196087
35ba2be530Sab196087 #define ELF_TARGET_AMD64
36ba2be530Sab196087
377c478bd9Sstevel@tonic-gate #include <stdio.h>
387c478bd9Sstevel@tonic-gate #include <string.h>
39fdf855a7Sseizo #include <unistd.h>
405aefb655Srie #include <debug.h>
417c478bd9Sstevel@tonic-gate #include "msg.h"
427c478bd9Sstevel@tonic-gate #include "_libld.h"
437c478bd9Sstevel@tonic-gate
447c478bd9Sstevel@tonic-gate /*
459039eeafSab196087 * Comparison routine used by qsort() for sorting of the global symbol list
467c478bd9Sstevel@tonic-gate * based off of the hashbuckets the symbol will eventually be deposited in.
477c478bd9Sstevel@tonic-gate */
487c478bd9Sstevel@tonic-gate static int
sym_hash_compare(Sym_s_list * s1,Sym_s_list * s2)497c478bd9Sstevel@tonic-gate sym_hash_compare(Sym_s_list * s1, Sym_s_list * s2)
507c478bd9Sstevel@tonic-gate {
517c478bd9Sstevel@tonic-gate return (s1->sl_hval - s2->sl_hval);
527c478bd9Sstevel@tonic-gate }
537c478bd9Sstevel@tonic-gate
547c478bd9Sstevel@tonic-gate /*
55d579eb63Sab196087 * Comparison routine used by qsort() for sorting of dyn[sym|tls]sort section
56d579eb63Sab196087 * indices based on the address of the symbols they reference. The
57d579eb63Sab196087 * use of the global dynsort_compare_syms variable is needed because
58d579eb63Sab196087 * we need to examine the symbols the indices reference. It is safe, because
59d579eb63Sab196087 * the linker is single threaded.
60d579eb63Sab196087 */
61d579eb63Sab196087 Sym *dynsort_compare_syms;
62d579eb63Sab196087
63d579eb63Sab196087 static int
dynsort_compare(const void * idx1,const void * idx2)64d579eb63Sab196087 dynsort_compare(const void *idx1, const void *idx2)
65d579eb63Sab196087 {
66d579eb63Sab196087 Sym *s1 = dynsort_compare_syms + *((const Word *) idx1);
67d579eb63Sab196087 Sym *s2 = dynsort_compare_syms + *((const Word *) idx2);
68d579eb63Sab196087
69d579eb63Sab196087 /*
70d579eb63Sab196087 * Note: the logical computation for this is
71d579eb63Sab196087 * (st_value1 - st_value2)
72d579eb63Sab196087 * However, that is only correct if the address type is smaller
73d579eb63Sab196087 * than a pointer. Writing it this way makes it immune to the
74d579eb63Sab196087 * class (32 or 64-bit) of the linker.
75d579eb63Sab196087 */
76d579eb63Sab196087 return ((s1->st_value < s2->st_value) ? -1 :
77d579eb63Sab196087 (s1->st_value > s2->st_value));
78d579eb63Sab196087 }
79d579eb63Sab196087
80d579eb63Sab196087 /*
81d579eb63Sab196087 * Scan the sorted symbols, and issue warnings if there are any duplicate
82d579eb63Sab196087 * values in the list. We only do this if -zverbose is set, or we are
83d579eb63Sab196087 * running with LD_DEBUG defined
84d579eb63Sab196087 *
85d579eb63Sab196087 * entry:
86d579eb63Sab196087 * ofl - Output file descriptor
87d579eb63Sab196087 * ldynsym - Pointer to start of .SUNW_ldynsym section that the
88d579eb63Sab196087 * sort section indexes reference.
89d579eb63Sab196087 * symsort - Pointer to start of .SUNW_dynsymsort or .SUNW_dyntlssort
90d579eb63Sab196087 * section.
91d579eb63Sab196087 * n - # of indices in symsort array
92d579eb63Sab196087 * secname - Name of the symsort section.
93d579eb63Sab196087 *
94d579eb63Sab196087 * exit:
95d579eb63Sab196087 * If the symsort section contains indexes to more than one
96d579eb63Sab196087 * symbol with the same address value, a warning is issued.
97d579eb63Sab196087 */
98d579eb63Sab196087 static void
dynsort_dupwarn(Ofl_desc * ofl,Sym * ldynsym,const char * str,Word * symsort,Word n,const char * secname)99d579eb63Sab196087 dynsort_dupwarn(Ofl_desc *ofl, Sym *ldynsym, const char *str,
100d579eb63Sab196087 Word *symsort, Word n, const char *secname)
101d579eb63Sab196087 {
102d579eb63Sab196087 int zverbose = (ofl->ofl_flags & FLG_OF_VERBOSE) != 0;
103d579eb63Sab196087 Word ndx, cmp_ndx;
104d579eb63Sab196087 Addr addr, cmp_addr;
105d579eb63Sab196087
106d579eb63Sab196087 /* Nothing to do if -zverbose or LD_DEBUG are not active */
107d579eb63Sab196087 if (!(zverbose || DBG_ENABLED))
108d579eb63Sab196087 return;
109d579eb63Sab196087
110d579eb63Sab196087 cmp_ndx = 0;
111d579eb63Sab196087 cmp_addr = ldynsym[symsort[cmp_ndx]].st_value;
112d579eb63Sab196087 for (ndx = 1; ndx < n; ndx++) {
113d579eb63Sab196087 addr = ldynsym[symsort[ndx]].st_value;
114d579eb63Sab196087 if (cmp_addr == addr) {
115d579eb63Sab196087 if (zverbose)
116*1007fd6fSAli Bahrami ld_eprintf(ofl, ERR_WARNING,
117d579eb63Sab196087 MSG_INTL(MSG_SYM_DUPSORTADDR), secname,
118d579eb63Sab196087 str + ldynsym[symsort[cmp_ndx]].st_name,
119d579eb63Sab196087 str + ldynsym[symsort[ndx]].st_name,
120d579eb63Sab196087 EC_ADDR(addr));
121d579eb63Sab196087 DBG_CALL(Dbg_syms_dup_sort_addr(ofl->ofl_lml, secname,
122d579eb63Sab196087 str + ldynsym[symsort[cmp_ndx]].st_name,
123d579eb63Sab196087 str + ldynsym[symsort[ndx]].st_name,
124d579eb63Sab196087 EC_ADDR(addr)));
125d579eb63Sab196087 } else { /* Not a dup. Move reference up */
126d579eb63Sab196087 cmp_ndx = ndx;
127d579eb63Sab196087 cmp_addr = addr;
128d579eb63Sab196087 }
129d579eb63Sab196087 }
130d579eb63Sab196087 }
131d579eb63Sab196087
132d579eb63Sab196087 /*
1337c478bd9Sstevel@tonic-gate * Build and update any output symbol tables. Here we work on all the symbol
1347c478bd9Sstevel@tonic-gate * tables at once to reduce the duplication of symbol and string manipulation.
1357c478bd9Sstevel@tonic-gate * Symbols and their associated strings are copied from the read-only input
1367c478bd9Sstevel@tonic-gate * file images to the output image and their values and index's updated in the
1377c478bd9Sstevel@tonic-gate * output image.
1387c478bd9Sstevel@tonic-gate */
1395aefb655Srie static Addr
update_osym(Ofl_desc * ofl)1407c478bd9Sstevel@tonic-gate update_osym(Ofl_desc *ofl)
1417c478bd9Sstevel@tonic-gate {
142d579eb63Sab196087 /*
143d579eb63Sab196087 * There are several places in this function where we wish
144d579eb63Sab196087 * to insert a symbol index to the combined .SUNW_ldynsym/.dynsym
145d579eb63Sab196087 * symbol table into one of the two sort sections (.SUNW_dynsymsort
146d579eb63Sab196087 * or .SUNW_dyntlssort), if that symbol has the right attributes.
147d579eb63Sab196087 * This macro is used to generate the necessary code from a single
148d579eb63Sab196087 * specification.
149d579eb63Sab196087 *
150d579eb63Sab196087 * entry:
151d579eb63Sab196087 * _sdp, _sym, _type - As per DYNSORT_COUNT. See _libld.h
152d579eb63Sab196087 * _sym_ndx - Index that _sym will have in the combined
153d579eb63Sab196087 * .SUNW_ldynsym/.dynsym symbol table.
154d579eb63Sab196087 */
155d579eb63Sab196087 #define ADD_TO_DYNSORT(_sdp, _sym, _type, _sym_ndx) \
156d579eb63Sab196087 { \
157d579eb63Sab196087 Word *_dynsort_arr, *_dynsort_ndx; \
158d579eb63Sab196087 \
159d579eb63Sab196087 if (dynsymsort_symtype[_type]) { \
160d579eb63Sab196087 _dynsort_arr = dynsymsort; \
161d579eb63Sab196087 _dynsort_ndx = &dynsymsort_ndx; \
162d579eb63Sab196087 } else if (_type == STT_TLS) { \
163d579eb63Sab196087 _dynsort_arr = dyntlssort; \
164d579eb63Sab196087 _dynsort_ndx = &dyntlssort_ndx; \
165d579eb63Sab196087 } else { \
166d579eb63Sab196087 _dynsort_arr = NULL; \
167d579eb63Sab196087 } \
168d579eb63Sab196087 if ((_dynsort_arr != NULL) && DYNSORT_TEST_ATTR(_sdp, _sym)) \
169d579eb63Sab196087 _dynsort_arr[(*_dynsort_ndx)++] = _sym_ndx; \
170d579eb63Sab196087 }
171d579eb63Sab196087
1727c478bd9Sstevel@tonic-gate Sym_desc *sdp;
1737c478bd9Sstevel@tonic-gate Sym_avlnode *sav;
17457ef7aa9SRod Evans Sg_desc *sgp, *tsgp = NULL, *dsgp = NULL, *esgp = NULL;
17557ef7aa9SRod Evans Os_desc *osp, *iosp = NULL, *fosp = NULL;
17657ef7aa9SRod Evans Is_desc *isc;
1777c478bd9Sstevel@tonic-gate Ifl_desc *ifl;
1787c478bd9Sstevel@tonic-gate Word bssndx, etext_ndx, edata_ndx = 0, end_ndx, start_ndx;
1797c478bd9Sstevel@tonic-gate Word end_abs = 0, etext_abs = 0, edata_abs;
18035450702SAli Bahrami Word tlsbssndx = 0, parexpnndx;
181ba2be530Sab196087 #if defined(_ELF64)
18254d82594Sseizo Word lbssndx = 0;
18354d82594Sseizo Addr lbssaddr = 0;
18454d82594Sseizo #endif
1857c478bd9Sstevel@tonic-gate Addr bssaddr, etext = 0, edata = 0, end = 0, start = 0;
1867c478bd9Sstevel@tonic-gate Addr tlsbssaddr = 0;
187b26cc8daSAli Bahrami Addr parexpnbase, parexpnaddr;
1887c478bd9Sstevel@tonic-gate int start_set = 0;
18957ef7aa9SRod Evans Sym _sym = {0}, *sym, *symtab = NULL;
19057ef7aa9SRod Evans Sym *dynsym = NULL, *ldynsym = NULL;
1917c478bd9Sstevel@tonic-gate Word symtab_ndx = 0; /* index into .symtab */
192ca4eed8bSAli Bahrami Word symtab_gbl_bndx; /* .symtab ndx 1st global */
1939039eeafSab196087 Word ldynsym_ndx = 0; /* index into .SUNW_ldynsym */
1947c478bd9Sstevel@tonic-gate Word dynsym_ndx = 0; /* index into .dynsym */
1957c478bd9Sstevel@tonic-gate Word scopesym_ndx = 0; /* index into scoped symbols */
196ca4eed8bSAli Bahrami Word scopesym_bndx = 0; /* .symtab ndx 1st scoped sym */
197635216b6SRod Evans Word ldynscopesym_ndx = 0; /* index to ldynsym scoped */
198635216b6SRod Evans /* symbols */
199635216b6SRod Evans Word *dynsymsort = NULL; /* SUNW_dynsymsort index */
200635216b6SRod Evans /* vector */
201635216b6SRod Evans Word *dyntlssort = NULL; /* SUNW_dyntlssort index */
202635216b6SRod Evans /* vector */
203d579eb63Sab196087 Word dynsymsort_ndx; /* index dynsymsort array */
204d579eb63Sab196087 Word dyntlssort_ndx; /* index dyntlssort array */
205635216b6SRod Evans Word *symndx; /* symbol index (for */
206635216b6SRod Evans /* relocation use) */
20757ef7aa9SRod Evans Word *symshndx = NULL; /* .symtab_shndx table */
20857ef7aa9SRod Evans Word *dynshndx = NULL; /* .dynsym_shndx table */
20957ef7aa9SRod Evans Word *ldynshndx = NULL; /* .SUNW_ldynsym_shndx table */
210635216b6SRod Evans Word ldynsym_cnt = NULL; /* number of items in */
211635216b6SRod Evans /* .SUNW_ldynsym */
2127c478bd9Sstevel@tonic-gate Str_tbl *shstrtab;
2137c478bd9Sstevel@tonic-gate Str_tbl *strtab;
2147c478bd9Sstevel@tonic-gate Str_tbl *dynstr;
2157c478bd9Sstevel@tonic-gate Word *hashtab; /* hash table pointer */
2167c478bd9Sstevel@tonic-gate Word *hashbkt; /* hash table bucket pointer */
2177c478bd9Sstevel@tonic-gate Word *hashchain; /* hash table chain pointer */
2187c478bd9Sstevel@tonic-gate Wk_desc *wkp;
21957ef7aa9SRod Evans Alist *weak = NULL;
2201d9df23bSab196087 ofl_flag_t flags = ofl->ofl_flags;
2217c478bd9Sstevel@tonic-gate Versym *versym;
2227c478bd9Sstevel@tonic-gate Gottable *gottable; /* used for display got debugging */
2237c478bd9Sstevel@tonic-gate /* information */
2247c478bd9Sstevel@tonic-gate Syminfo *syminfo;
2257c478bd9Sstevel@tonic-gate Sym_s_list *sorted_syms; /* table to hold sorted symbols */
2267c478bd9Sstevel@tonic-gate Word ssndx; /* global index into sorted_syms */
2277c478bd9Sstevel@tonic-gate Word scndx; /* scoped index into sorted_syms */
228cce0e03bSab196087 size_t stoff; /* string offset */
22957ef7aa9SRod Evans Aliste idx1;
2307c478bd9Sstevel@tonic-gate
2317c478bd9Sstevel@tonic-gate /*
2327c478bd9Sstevel@tonic-gate * Initialize pointers to the symbol table entries and the symbol
2337c478bd9Sstevel@tonic-gate * table strings. Skip the first symbol entry and the first string
2347c478bd9Sstevel@tonic-gate * table byte. Note that if we are not generating any output symbol
235e64d0ff9SAli Bahrami * tables we must still generate and update internal copies so
2367c478bd9Sstevel@tonic-gate * that the relocation phase has the correct information.
2377c478bd9Sstevel@tonic-gate */
2387c478bd9Sstevel@tonic-gate if (!(flags & FLG_OF_STRIP) || (flags & FLG_OF_RELOBJ) ||
2397c478bd9Sstevel@tonic-gate ((flags & FLG_OF_STATIC) && ofl->ofl_osversym)) {
2407c478bd9Sstevel@tonic-gate symtab = (Sym *)ofl->ofl_ossymtab->os_outdata->d_buf;
2417c478bd9Sstevel@tonic-gate symtab[symtab_ndx++] = _sym;
2427c478bd9Sstevel@tonic-gate if (ofl->ofl_ossymshndx)
243d840867fSab196087 symshndx =
244d840867fSab196087 (Word *)ofl->ofl_ossymshndx->os_outdata->d_buf;
2457c478bd9Sstevel@tonic-gate }
2469039eeafSab196087 if (OFL_ALLOW_DYNSYM(ofl)) {
2477c478bd9Sstevel@tonic-gate dynsym = (Sym *)ofl->ofl_osdynsym->os_outdata->d_buf;
2487c478bd9Sstevel@tonic-gate dynsym[dynsym_ndx++] = _sym;
2497c478bd9Sstevel@tonic-gate /*
2509039eeafSab196087 * If we are also constructing a .SUNW_ldynsym section
2519039eeafSab196087 * to contain local function symbols, then set it up too.
2529039eeafSab196087 */
2539039eeafSab196087 if (ofl->ofl_osldynsym) {
2549039eeafSab196087 ldynsym = (Sym *)ofl->ofl_osldynsym->os_outdata->d_buf;
2559039eeafSab196087 ldynsym[ldynsym_ndx++] = _sym;
256d579eb63Sab196087 ldynsym_cnt = 1 + ofl->ofl_dynlocscnt +
257d579eb63Sab196087 ofl->ofl_dynscopecnt;
258d579eb63Sab196087
259d579eb63Sab196087 /*
260d579eb63Sab196087 * If there is a SUNW_ldynsym, then there may also
261d579eb63Sab196087 * be a .SUNW_dynsymsort and/or .SUNW_dyntlssort
262d579eb63Sab196087 * sections, used to collect indices of function
263d579eb63Sab196087 * and data symbols sorted by address order.
264d579eb63Sab196087 */
265d579eb63Sab196087 if (ofl->ofl_osdynsymsort) { /* .SUNW_dynsymsort */
266d579eb63Sab196087 dynsymsort = (Word *)
267d579eb63Sab196087 ofl->ofl_osdynsymsort->os_outdata->d_buf;
268d579eb63Sab196087 dynsymsort_ndx = 0;
269d579eb63Sab196087 }
270d579eb63Sab196087 if (ofl->ofl_osdyntlssort) { /* .SUNW_dyntlssort */
271d579eb63Sab196087 dyntlssort = (Word *)
272d579eb63Sab196087 ofl->ofl_osdyntlssort->os_outdata->d_buf;
273d579eb63Sab196087 dyntlssort_ndx = 0;
274d579eb63Sab196087 }
2759039eeafSab196087 }
2769039eeafSab196087
2779039eeafSab196087 /*
2787c478bd9Sstevel@tonic-gate * Initialize the hash table.
2797c478bd9Sstevel@tonic-gate */
2807c478bd9Sstevel@tonic-gate hashtab = (Word *)(ofl->ofl_oshash->os_outdata->d_buf);
2817c478bd9Sstevel@tonic-gate hashbkt = &hashtab[2];
2827c478bd9Sstevel@tonic-gate hashchain = &hashtab[2 + ofl->ofl_hashbkts];
2837c478bd9Sstevel@tonic-gate hashtab[0] = ofl->ofl_hashbkts;
284635216b6SRod Evans hashtab[1] = DYNSYM_ALL_CNT(ofl);
2857c478bd9Sstevel@tonic-gate if (ofl->ofl_osdynshndx)
286d840867fSab196087 dynshndx =
287d840867fSab196087 (Word *)ofl->ofl_osdynshndx->os_outdata->d_buf;
2889039eeafSab196087 if (ofl->ofl_osldynshndx)
289d840867fSab196087 ldynshndx =
290d840867fSab196087 (Word *)ofl->ofl_osldynshndx->os_outdata->d_buf;
2917c478bd9Sstevel@tonic-gate }
2927c478bd9Sstevel@tonic-gate
2937c478bd9Sstevel@tonic-gate /*
2947c478bd9Sstevel@tonic-gate * symndx is the symbol index to be used for relocation processing. It
2957c478bd9Sstevel@tonic-gate * points to the relevant symtab's (.dynsym or .symtab) symbol ndx.
2967c478bd9Sstevel@tonic-gate */
2977c478bd9Sstevel@tonic-gate if (dynsym)
2987c478bd9Sstevel@tonic-gate symndx = &dynsym_ndx;
2997c478bd9Sstevel@tonic-gate else
3007c478bd9Sstevel@tonic-gate symndx = &symtab_ndx;
3017c478bd9Sstevel@tonic-gate
3027c478bd9Sstevel@tonic-gate /*
3037c478bd9Sstevel@tonic-gate * If we have version definitions initialize the version symbol index
3047c478bd9Sstevel@tonic-gate * table. There is one entry for each symbol which contains the symbols
3057c478bd9Sstevel@tonic-gate * version index.
3067c478bd9Sstevel@tonic-gate */
307090a8d9eSAli Bahrami if (!(flags & FLG_OF_NOVERSEC) &&
308090a8d9eSAli Bahrami (flags & (FLG_OF_VERNEED | FLG_OF_VERDEF))) {
3097c478bd9Sstevel@tonic-gate versym = (Versym *)ofl->ofl_osversym->os_outdata->d_buf;
31028bda19cSRod Evans versym[0] = NULL;
3117c478bd9Sstevel@tonic-gate } else
31228bda19cSRod Evans versym = NULL;
3137c478bd9Sstevel@tonic-gate
3147c478bd9Sstevel@tonic-gate /*
3157c478bd9Sstevel@tonic-gate * If syminfo section exists be prepared to fill it in.
3167c478bd9Sstevel@tonic-gate */
3177c478bd9Sstevel@tonic-gate if (ofl->ofl_ossyminfo) {
3187c478bd9Sstevel@tonic-gate syminfo = ofl->ofl_ossyminfo->os_outdata->d_buf;
3197c478bd9Sstevel@tonic-gate syminfo[0].si_flags = SYMINFO_CURRENT;
3207c478bd9Sstevel@tonic-gate } else
32128bda19cSRod Evans syminfo = NULL;
3227c478bd9Sstevel@tonic-gate
3237c478bd9Sstevel@tonic-gate /*
3247c478bd9Sstevel@tonic-gate * Setup our string tables.
3257c478bd9Sstevel@tonic-gate */
3267c478bd9Sstevel@tonic-gate shstrtab = ofl->ofl_shdrsttab;
3277c478bd9Sstevel@tonic-gate strtab = ofl->ofl_strtab;
3287c478bd9Sstevel@tonic-gate dynstr = ofl->ofl_dynstrtab;
3297c478bd9Sstevel@tonic-gate
3305aefb655Srie DBG_CALL(Dbg_syms_sec_title(ofl->ofl_lml));
3317c478bd9Sstevel@tonic-gate
3327c478bd9Sstevel@tonic-gate /*
3339039eeafSab196087 * Put output file name to the first .symtab and .SUNW_ldynsym symbol.
3347c478bd9Sstevel@tonic-gate */
3357c478bd9Sstevel@tonic-gate if (symtab) {
3367c478bd9Sstevel@tonic-gate (void) st_setstring(strtab, ofl->ofl_name, &stoff);
3377c478bd9Sstevel@tonic-gate sym = &symtab[symtab_ndx++];
3387c478bd9Sstevel@tonic-gate /* LINTED */
3397c478bd9Sstevel@tonic-gate sym->st_name = stoff;
3407c478bd9Sstevel@tonic-gate sym->st_value = 0;
3417c478bd9Sstevel@tonic-gate sym->st_size = 0;
3427c478bd9Sstevel@tonic-gate sym->st_info = ELF_ST_INFO(STB_LOCAL, STT_FILE);
3437c478bd9Sstevel@tonic-gate sym->st_other = 0;
3447c478bd9Sstevel@tonic-gate sym->st_shndx = SHN_ABS;
3457c478bd9Sstevel@tonic-gate
3467c478bd9Sstevel@tonic-gate if (versym && !dynsym)
3477c478bd9Sstevel@tonic-gate versym[1] = 0;
3487c478bd9Sstevel@tonic-gate }
349d579eb63Sab196087 if (ldynsym) {
3509039eeafSab196087 (void) st_setstring(dynstr, ofl->ofl_name, &stoff);
3519039eeafSab196087 sym = &ldynsym[ldynsym_ndx];
3529039eeafSab196087 /* LINTED */
3539039eeafSab196087 sym->st_name = stoff;
3549039eeafSab196087 sym->st_value = 0;
3559039eeafSab196087 sym->st_size = 0;
3569039eeafSab196087 sym->st_info = ELF_ST_INFO(STB_LOCAL, STT_FILE);
3579039eeafSab196087 sym->st_other = 0;
3589039eeafSab196087 sym->st_shndx = SHN_ABS;
3599039eeafSab196087
3609039eeafSab196087 /* Scoped symbols get filled in global loop below */
3619039eeafSab196087 ldynscopesym_ndx = ldynsym_ndx + 1;
3629039eeafSab196087 ldynsym_ndx += ofl->ofl_dynscopecnt;
3639039eeafSab196087 }
3647c478bd9Sstevel@tonic-gate
3657c478bd9Sstevel@tonic-gate /*
3667c478bd9Sstevel@tonic-gate * If we are to display GOT summary information, then allocate
3677c478bd9Sstevel@tonic-gate * the buffer to 'cache' the GOT symbols into now.
3687c478bd9Sstevel@tonic-gate */
3695aefb655Srie if (DBG_ENABLED) {
370d326b23bSrie if ((ofl->ofl_gottable = gottable =
37157ef7aa9SRod Evans libld_calloc(ofl->ofl_gotcnt, sizeof (Gottable))) == NULL)
3727c478bd9Sstevel@tonic-gate return ((Addr)S_ERROR);
3737c478bd9Sstevel@tonic-gate }
3747c478bd9Sstevel@tonic-gate
3757c478bd9Sstevel@tonic-gate /*
3767c478bd9Sstevel@tonic-gate * Traverse the program headers. Determine the last executable segment
3777c478bd9Sstevel@tonic-gate * and the last data segment so that we can update etext and edata. If
3787c478bd9Sstevel@tonic-gate * we have empty segments (reservations) record them for setting _end.
3797c478bd9Sstevel@tonic-gate */
38057ef7aa9SRod Evans for (APLIST_TRAVERSE(ofl->ofl_segs, idx1, sgp)) {
3817c478bd9Sstevel@tonic-gate Phdr *phd = &(sgp->sg_phdr);
382cce0e03bSab196087 Os_desc *osp;
38357ef7aa9SRod Evans Aliste idx2;
3847c478bd9Sstevel@tonic-gate
3857c478bd9Sstevel@tonic-gate if (phd->p_type == PT_LOAD) {
3860bc07c75Srie if (sgp->sg_osdescs != NULL) {
3877c478bd9Sstevel@tonic-gate Word _flags = phd->p_flags & (PF_W | PF_R);
3880bc07c75Srie
389fdf855a7Sseizo if (_flags == PF_R)
3907c478bd9Sstevel@tonic-gate tsgp = sgp;
391fdf855a7Sseizo else if (_flags == (PF_W | PF_R))
3927c478bd9Sstevel@tonic-gate dsgp = sgp;
3937c478bd9Sstevel@tonic-gate } else if (sgp->sg_flags & FLG_SG_EMPTY)
3947c478bd9Sstevel@tonic-gate esgp = sgp;
3957c478bd9Sstevel@tonic-gate }
3967c478bd9Sstevel@tonic-gate
3977c478bd9Sstevel@tonic-gate /*
3987c478bd9Sstevel@tonic-gate * Generate a section symbol for each output section.
3997c478bd9Sstevel@tonic-gate */
40057ef7aa9SRod Evans for (APLIST_TRAVERSE(sgp->sg_osdescs, idx2, osp)) {
4017c478bd9Sstevel@tonic-gate Word sectndx;
4027c478bd9Sstevel@tonic-gate
4037c478bd9Sstevel@tonic-gate sym = &_sym;
4047c478bd9Sstevel@tonic-gate sym->st_value = osp->os_shdr->sh_addr;
4057c478bd9Sstevel@tonic-gate sym->st_info = ELF_ST_INFO(STB_LOCAL, STT_SECTION);
4067c478bd9Sstevel@tonic-gate /* LINTED */
4077c478bd9Sstevel@tonic-gate sectndx = elf_ndxscn(osp->os_scn);
4087c478bd9Sstevel@tonic-gate
4097c478bd9Sstevel@tonic-gate if (symtab) {
4107c478bd9Sstevel@tonic-gate if (sectndx >= SHN_LORESERVE) {
4117c478bd9Sstevel@tonic-gate symshndx[symtab_ndx] = sectndx;
4127c478bd9Sstevel@tonic-gate sym->st_shndx = SHN_XINDEX;
4137c478bd9Sstevel@tonic-gate } else {
4147c478bd9Sstevel@tonic-gate /* LINTED */
4157c478bd9Sstevel@tonic-gate sym->st_shndx = (Half)sectndx;
4167c478bd9Sstevel@tonic-gate }
4177c478bd9Sstevel@tonic-gate symtab[symtab_ndx++] = *sym;
4187c478bd9Sstevel@tonic-gate }
4197c478bd9Sstevel@tonic-gate
4207c478bd9Sstevel@tonic-gate if (dynsym && (osp->os_flags & FLG_OS_OUTREL))
4217c478bd9Sstevel@tonic-gate dynsym[dynsym_ndx++] = *sym;
4227c478bd9Sstevel@tonic-gate
42357ef7aa9SRod Evans if ((dynsym == NULL) ||
42457ef7aa9SRod Evans (osp->os_flags & FLG_OS_OUTREL)) {
4257c478bd9Sstevel@tonic-gate if (versym)
4267c478bd9Sstevel@tonic-gate versym[*symndx - 1] = 0;
42757ef7aa9SRod Evans osp->os_identndx = *symndx - 1;
4285aefb655Srie DBG_CALL(Dbg_syms_sec_entry(ofl->ofl_lml,
42957ef7aa9SRod Evans osp->os_identndx, sgp, osp));
4307c478bd9Sstevel@tonic-gate }
4317c478bd9Sstevel@tonic-gate
4327c478bd9Sstevel@tonic-gate /*
4337c478bd9Sstevel@tonic-gate * Generate the .shstrtab for this section.
4347c478bd9Sstevel@tonic-gate */
4357c478bd9Sstevel@tonic-gate (void) st_setstring(shstrtab, osp->os_name, &stoff);
4367c478bd9Sstevel@tonic-gate osp->os_shdr->sh_name = (Word)stoff;
4377c478bd9Sstevel@tonic-gate
4387c478bd9Sstevel@tonic-gate /*
4397c478bd9Sstevel@tonic-gate * Find the section index for our special symbols.
4407c478bd9Sstevel@tonic-gate */
4417c478bd9Sstevel@tonic-gate if (sgp == tsgp) {
4427c478bd9Sstevel@tonic-gate /* LINTED */
4437c478bd9Sstevel@tonic-gate etext_ndx = elf_ndxscn(osp->os_scn);
4447c478bd9Sstevel@tonic-gate } else if (dsgp == sgp) {
4457c478bd9Sstevel@tonic-gate if (osp->os_shdr->sh_type != SHT_NOBITS) {
4467c478bd9Sstevel@tonic-gate /* LINTED */
4477c478bd9Sstevel@tonic-gate edata_ndx = elf_ndxscn(osp->os_scn);
4487c478bd9Sstevel@tonic-gate }
4497c478bd9Sstevel@tonic-gate }
4507c478bd9Sstevel@tonic-gate
4517c478bd9Sstevel@tonic-gate if (start_set == 0) {
4527c478bd9Sstevel@tonic-gate start = sgp->sg_phdr.p_vaddr;
4537c478bd9Sstevel@tonic-gate /* LINTED */
4547c478bd9Sstevel@tonic-gate start_ndx = elf_ndxscn(osp->os_scn);
4557c478bd9Sstevel@tonic-gate start_set++;
4567c478bd9Sstevel@tonic-gate }
457c1c6f601Srie
458c1c6f601Srie /*
459c1c6f601Srie * While we're here, determine whether a .init or .fini
460c1c6f601Srie * section exist.
461c1c6f601Srie */
46257ef7aa9SRod Evans if ((iosp == NULL) && (strcmp(osp->os_name,
463c1c6f601Srie MSG_ORIG(MSG_SCN_INIT)) == 0))
464c1c6f601Srie iosp = osp;
46557ef7aa9SRod Evans if ((fosp == NULL) && (strcmp(osp->os_name,
466c1c6f601Srie MSG_ORIG(MSG_SCN_FINI)) == 0))
467c1c6f601Srie fosp = osp;
4687c478bd9Sstevel@tonic-gate }
4697c478bd9Sstevel@tonic-gate }
4707c478bd9Sstevel@tonic-gate
4717c478bd9Sstevel@tonic-gate /*
4727c478bd9Sstevel@tonic-gate * Add local register symbols to the .dynsym. These are required as
4737c478bd9Sstevel@tonic-gate * DT_REGISTER .dynamic entries must have a symbol to reference.
4747c478bd9Sstevel@tonic-gate */
4757c478bd9Sstevel@tonic-gate if (ofl->ofl_regsyms && dynsym) {
4767c478bd9Sstevel@tonic-gate int ndx;
4777c478bd9Sstevel@tonic-gate
4787c478bd9Sstevel@tonic-gate for (ndx = 0; ndx < ofl->ofl_regsymsno; ndx++) {
4797c478bd9Sstevel@tonic-gate Sym_desc *rsdp;
4807c478bd9Sstevel@tonic-gate
48157ef7aa9SRod Evans if ((rsdp = ofl->ofl_regsyms[ndx]) == NULL)
4827c478bd9Sstevel@tonic-gate continue;
4837c478bd9Sstevel@tonic-gate
48408278a5eSRod Evans if (!SYM_IS_HIDDEN(rsdp) &&
4857c478bd9Sstevel@tonic-gate (ELF_ST_BIND(rsdp->sd_sym->st_info) != STB_LOCAL))
4867c478bd9Sstevel@tonic-gate continue;
4877c478bd9Sstevel@tonic-gate
4887c478bd9Sstevel@tonic-gate dynsym[dynsym_ndx] = *(rsdp->sd_sym);
4897c478bd9Sstevel@tonic-gate rsdp->sd_symndx = *symndx;
4907c478bd9Sstevel@tonic-gate
4917c478bd9Sstevel@tonic-gate if (dynsym[dynsym_ndx].st_name) {
4927c478bd9Sstevel@tonic-gate (void) st_setstring(dynstr, rsdp->sd_name,
4937c478bd9Sstevel@tonic-gate &stoff);
4947c478bd9Sstevel@tonic-gate dynsym[dynsym_ndx].st_name = stoff;
4957c478bd9Sstevel@tonic-gate }
4967c478bd9Sstevel@tonic-gate dynsym_ndx++;
4977c478bd9Sstevel@tonic-gate }
4987c478bd9Sstevel@tonic-gate }
4997c478bd9Sstevel@tonic-gate
5007c478bd9Sstevel@tonic-gate /*
5017c478bd9Sstevel@tonic-gate * Having traversed all the output segments, warn the user if the
5027c478bd9Sstevel@tonic-gate * traditional text or data segments don't exist. Otherwise from these
5037c478bd9Sstevel@tonic-gate * segments establish the values for `etext', `edata', `end', `END',
5047c478bd9Sstevel@tonic-gate * and `START'.
5057c478bd9Sstevel@tonic-gate */
5067c478bd9Sstevel@tonic-gate if (!(flags & FLG_OF_RELOBJ)) {
5077c478bd9Sstevel@tonic-gate Sg_desc *sgp;
5087c478bd9Sstevel@tonic-gate
5097c478bd9Sstevel@tonic-gate if (tsgp)
5107c478bd9Sstevel@tonic-gate etext = tsgp->sg_phdr.p_vaddr + tsgp->sg_phdr.p_filesz;
5117c478bd9Sstevel@tonic-gate else {
5127c478bd9Sstevel@tonic-gate etext = (Addr)0;
5137c478bd9Sstevel@tonic-gate etext_ndx = SHN_ABS;
5147c478bd9Sstevel@tonic-gate etext_abs = 1;
5151d9df23bSab196087 if (flags & FLG_OF_VERBOSE)
516*1007fd6fSAli Bahrami ld_eprintf(ofl, ERR_WARNING,
5177c478bd9Sstevel@tonic-gate MSG_INTL(MSG_UPD_NOREADSEG));
5187c478bd9Sstevel@tonic-gate }
5197c478bd9Sstevel@tonic-gate if (dsgp) {
5207c478bd9Sstevel@tonic-gate edata = dsgp->sg_phdr.p_vaddr + dsgp->sg_phdr.p_filesz;
5217c478bd9Sstevel@tonic-gate } else {
5227c478bd9Sstevel@tonic-gate edata = (Addr)0;
5237c478bd9Sstevel@tonic-gate edata_ndx = SHN_ABS;
5247c478bd9Sstevel@tonic-gate edata_abs = 1;
5251d9df23bSab196087 if (flags & FLG_OF_VERBOSE)
526*1007fd6fSAli Bahrami ld_eprintf(ofl, ERR_WARNING,
5277c478bd9Sstevel@tonic-gate MSG_INTL(MSG_UPD_NORDWRSEG));
5287c478bd9Sstevel@tonic-gate }
5297c478bd9Sstevel@tonic-gate
53057ef7aa9SRod Evans if (dsgp == NULL) {
5317c478bd9Sstevel@tonic-gate if (tsgp)
5327c478bd9Sstevel@tonic-gate sgp = tsgp;
5337c478bd9Sstevel@tonic-gate else
5347c478bd9Sstevel@tonic-gate sgp = 0;
53557ef7aa9SRod Evans } else if (tsgp == NULL)
5367c478bd9Sstevel@tonic-gate sgp = dsgp;
5377c478bd9Sstevel@tonic-gate else if (dsgp->sg_phdr.p_vaddr > tsgp->sg_phdr.p_vaddr)
5387c478bd9Sstevel@tonic-gate sgp = dsgp;
5397c478bd9Sstevel@tonic-gate else if (dsgp->sg_phdr.p_vaddr < tsgp->sg_phdr.p_vaddr)
5407c478bd9Sstevel@tonic-gate sgp = tsgp;
5417c478bd9Sstevel@tonic-gate else {
5427c478bd9Sstevel@tonic-gate /*
5437c478bd9Sstevel@tonic-gate * One of the segments must be of zero size.
5447c478bd9Sstevel@tonic-gate */
5457c478bd9Sstevel@tonic-gate if (tsgp->sg_phdr.p_memsz)
5467c478bd9Sstevel@tonic-gate sgp = tsgp;
5477c478bd9Sstevel@tonic-gate else
5487c478bd9Sstevel@tonic-gate sgp = dsgp;
5497c478bd9Sstevel@tonic-gate }
5507c478bd9Sstevel@tonic-gate
5517c478bd9Sstevel@tonic-gate if (esgp && (esgp->sg_phdr.p_vaddr > sgp->sg_phdr.p_vaddr))
5527c478bd9Sstevel@tonic-gate sgp = esgp;
5537c478bd9Sstevel@tonic-gate
5547c478bd9Sstevel@tonic-gate if (sgp) {
5557c478bd9Sstevel@tonic-gate end = sgp->sg_phdr.p_vaddr + sgp->sg_phdr.p_memsz;
5567c478bd9Sstevel@tonic-gate
5577c478bd9Sstevel@tonic-gate /*
558fdf855a7Sseizo * If the last loadable segment is a read-only segment,
559fdf855a7Sseizo * then the application which uses the symbol _end to
560fdf855a7Sseizo * find the beginning of writable heap area may cause
561fdf855a7Sseizo * segmentation violation. We adjust the value of the
562fdf855a7Sseizo * _end to skip to the next page boundary.
563fdf855a7Sseizo *
564fdf855a7Sseizo * 6401812 System interface which returs beginning
565fdf855a7Sseizo * heap would be nice.
566fdf855a7Sseizo * When the above RFE is implemented, the changes below
567fdf855a7Sseizo * could be changed in a better way.
568fdf855a7Sseizo */
569fdf855a7Sseizo if ((sgp->sg_phdr.p_flags & PF_W) == 0)
57060758829Srie end = (Addr)S_ROUND(end, sysconf(_SC_PAGESIZE));
571fdf855a7Sseizo
572fdf855a7Sseizo /*
5737c478bd9Sstevel@tonic-gate * If we're dealing with a memory reservation there are
5747c478bd9Sstevel@tonic-gate * no sections to establish an index for _end, so assign
5757c478bd9Sstevel@tonic-gate * it as an absolute.
5767c478bd9Sstevel@tonic-gate */
5770bc07c75Srie if (sgp->sg_osdescs != NULL) {
5780bc07c75Srie /*
5790bc07c75Srie * Determine the last section for this segment.
5800bc07c75Srie */
581cce0e03bSab196087 Os_desc *osp = sgp->sg_osdescs->apl_data
582cce0e03bSab196087 [sgp->sg_osdescs->apl_nitems - 1];
583cce0e03bSab196087
5847c478bd9Sstevel@tonic-gate /* LINTED */
585cce0e03bSab196087 end_ndx = elf_ndxscn(osp->os_scn);
5867c478bd9Sstevel@tonic-gate } else {
5877c478bd9Sstevel@tonic-gate end_ndx = SHN_ABS;
5887c478bd9Sstevel@tonic-gate end_abs = 1;
5897c478bd9Sstevel@tonic-gate }
5907c478bd9Sstevel@tonic-gate } else {
5917c478bd9Sstevel@tonic-gate end = (Addr) 0;
5927c478bd9Sstevel@tonic-gate end_ndx = SHN_ABS;
5937c478bd9Sstevel@tonic-gate end_abs = 1;
594*1007fd6fSAli Bahrami ld_eprintf(ofl, ERR_WARNING, MSG_INTL(MSG_UPD_NOSEG));
5957c478bd9Sstevel@tonic-gate }
5967c478bd9Sstevel@tonic-gate }
5977c478bd9Sstevel@tonic-gate
5987c478bd9Sstevel@tonic-gate /*
5997c478bd9Sstevel@tonic-gate * Initialize the scoped symbol table entry point. This is for all
6007c478bd9Sstevel@tonic-gate * the global symbols that have been scoped to locals and will be
6017c478bd9Sstevel@tonic-gate * filled in during global symbol processing so that we don't have
6027c478bd9Sstevel@tonic-gate * to traverse the globals symbol hash array more than once.
6037c478bd9Sstevel@tonic-gate */
6047c478bd9Sstevel@tonic-gate if (symtab) {
605ca4eed8bSAli Bahrami scopesym_bndx = symtab_ndx;
606ca4eed8bSAli Bahrami scopesym_ndx = scopesym_bndx;
6077c478bd9Sstevel@tonic-gate symtab_ndx += ofl->ofl_scopecnt;
6087c478bd9Sstevel@tonic-gate }
6097c478bd9Sstevel@tonic-gate
6107c478bd9Sstevel@tonic-gate /*
61135450702SAli Bahrami * If expanding partially expanded symbols under '-z nopartial',
61235450702SAli Bahrami * prepare to do that.
6137c478bd9Sstevel@tonic-gate */
61435450702SAli Bahrami if (ofl->ofl_isparexpn) {
61535450702SAli Bahrami osp = ofl->ofl_isparexpn->is_osdesc;
616b26cc8daSAli Bahrami parexpnbase = parexpnaddr = (Addr)(osp->os_shdr->sh_addr +
61735450702SAli Bahrami ofl->ofl_isparexpn->is_indata->d_off);
6187c478bd9Sstevel@tonic-gate /* LINTED */
61935450702SAli Bahrami parexpnndx = elf_ndxscn(osp->os_scn);
62057ef7aa9SRod Evans ofl->ofl_parexpnndx = osp->os_identndx;
6217c478bd9Sstevel@tonic-gate }
6227c478bd9Sstevel@tonic-gate
6237c478bd9Sstevel@tonic-gate /*
6247c478bd9Sstevel@tonic-gate * If we are generating a .symtab collect all the local symbols,
6257c478bd9Sstevel@tonic-gate * assigning a new virtual address or displacement (value).
6267c478bd9Sstevel@tonic-gate */
62757ef7aa9SRod Evans for (APLIST_TRAVERSE(ofl->ofl_objs, idx1, ifl)) {
628635216b6SRod Evans Xword lndx, local = ifl->ifl_locscnt;
62908278a5eSRod Evans Cap_desc *cdp = ifl->ifl_caps;
6307c478bd9Sstevel@tonic-gate
6317c478bd9Sstevel@tonic-gate for (lndx = 1; lndx < local; lndx++) {
6327c478bd9Sstevel@tonic-gate Gotndx *gnp;
633d579eb63Sab196087 uchar_t type;
6347c478bd9Sstevel@tonic-gate Word *_symshndx;
6359039eeafSab196087 int enter_in_symtab, enter_in_ldynsym;
6369039eeafSab196087 int update_done;
6377c478bd9Sstevel@tonic-gate
6387c478bd9Sstevel@tonic-gate sdp = ifl->ifl_oldndx[lndx];
6397c478bd9Sstevel@tonic-gate sym = sdp->sd_sym;
6407c478bd9Sstevel@tonic-gate
6417c478bd9Sstevel@tonic-gate /*
6427c478bd9Sstevel@tonic-gate * Assign a got offset if necessary.
6437c478bd9Sstevel@tonic-gate */
644ba2be530Sab196087 if ((ld_targ.t_mr.mr_assign_got != NULL) &&
645ba2be530Sab196087 (*ld_targ.t_mr.mr_assign_got)(ofl, sdp) == S_ERROR)
6467c478bd9Sstevel@tonic-gate return ((Addr)S_ERROR);
647ba2be530Sab196087
6485aefb655Srie if (DBG_ENABLED) {
64957ef7aa9SRod Evans Aliste idx2;
65057ef7aa9SRod Evans
65157ef7aa9SRod Evans for (ALIST_TRAVERSE(sdp->sd_GOTndxs,
65257ef7aa9SRod Evans idx2, gnp)) {
653d326b23bSrie gottable->gt_sym = sdp;
654d840867fSab196087 gottable->gt_gndx.gn_gotndx =
655d840867fSab196087 gnp->gn_gotndx;
656d840867fSab196087 gottable->gt_gndx.gn_addend =
657d840867fSab196087 gnp->gn_addend;
658d326b23bSrie gottable++;
6597c478bd9Sstevel@tonic-gate }
6607c478bd9Sstevel@tonic-gate }
6617c478bd9Sstevel@tonic-gate
6627c478bd9Sstevel@tonic-gate if ((type = ELF_ST_TYPE(sym->st_info)) == STT_SECTION)
6637c478bd9Sstevel@tonic-gate continue;
6647c478bd9Sstevel@tonic-gate
6657c478bd9Sstevel@tonic-gate /*
6667c478bd9Sstevel@tonic-gate * Ignore any symbols that have been marked as invalid
6677c478bd9Sstevel@tonic-gate * during input processing. Providing these aren't used
6687c478bd9Sstevel@tonic-gate * for relocation they'll just be dropped from the
6697c478bd9Sstevel@tonic-gate * output image.
6707c478bd9Sstevel@tonic-gate */
6717c478bd9Sstevel@tonic-gate if (sdp->sd_flags & FLG_SY_INVALID)
6727c478bd9Sstevel@tonic-gate continue;
6737c478bd9Sstevel@tonic-gate
6747c478bd9Sstevel@tonic-gate /*
6757c478bd9Sstevel@tonic-gate * If the section that this symbol was associated
6767c478bd9Sstevel@tonic-gate * with has been discarded - then we discard
6777c478bd9Sstevel@tonic-gate * the local symbol along with it.
6787c478bd9Sstevel@tonic-gate */
6797c478bd9Sstevel@tonic-gate if (sdp->sd_flags & FLG_SY_ISDISC)
6807c478bd9Sstevel@tonic-gate continue;
6817c478bd9Sstevel@tonic-gate
6827c478bd9Sstevel@tonic-gate /*
683ca4eed8bSAli Bahrami * If this symbol is from a different file
684ca4eed8bSAli Bahrami * than the input descriptor we are processing,
685ca4eed8bSAli Bahrami * treat it as if it has FLG_SY_ISDISC set.
686ca4eed8bSAli Bahrami * This happens when sloppy_comdat_reloc()
687ca4eed8bSAli Bahrami * replaces a symbol to a discarded comdat section
688ca4eed8bSAli Bahrami * with an equivalent symbol from a different
689ca4eed8bSAli Bahrami * file. We only want to enter such a symbol
690ca4eed8bSAli Bahrami * once --- as part of the file that actually
691ca4eed8bSAli Bahrami * supplies it.
692ca4eed8bSAli Bahrami */
693ca4eed8bSAli Bahrami if (ifl != sdp->sd_file)
694ca4eed8bSAli Bahrami continue;
695ca4eed8bSAli Bahrami
696ca4eed8bSAli Bahrami /*
6977c478bd9Sstevel@tonic-gate * Generate an output symbol to represent this input
6987c478bd9Sstevel@tonic-gate * symbol. Even if the symbol table is to be stripped
6997c478bd9Sstevel@tonic-gate * we still need to update any local symbols that are
7007c478bd9Sstevel@tonic-gate * used during relocation.
7017c478bd9Sstevel@tonic-gate */
7029039eeafSab196087 enter_in_symtab = symtab &&
70344bac77bSrie (!(ofl->ofl_flags & FLG_OF_REDLSYM) ||
70457ef7aa9SRod Evans sdp->sd_move);
7059039eeafSab196087 enter_in_ldynsym = ldynsym && sdp->sd_name &&
706d579eb63Sab196087 ldynsym_symtype[type] &&
70744bac77bSrie !(ofl->ofl_flags & FLG_OF_REDLSYM);
70857ef7aa9SRod Evans _symshndx = NULL;
70957ef7aa9SRod Evans
7109039eeafSab196087 if (enter_in_symtab) {
7117c478bd9Sstevel@tonic-gate if (!dynsym)
7127c478bd9Sstevel@tonic-gate sdp->sd_symndx = *symndx;
7137c478bd9Sstevel@tonic-gate symtab[symtab_ndx] = *sym;
71408278a5eSRod Evans
7157c478bd9Sstevel@tonic-gate /*
7167c478bd9Sstevel@tonic-gate * Provided this isn't an unnamed register
7177c478bd9Sstevel@tonic-gate * symbol, update its name.
7187c478bd9Sstevel@tonic-gate */
7197c478bd9Sstevel@tonic-gate if (((sdp->sd_flags & FLG_SY_REGSYM) == 0) ||
7207c478bd9Sstevel@tonic-gate symtab[symtab_ndx].st_name) {
7217c478bd9Sstevel@tonic-gate (void) st_setstring(strtab,
7227c478bd9Sstevel@tonic-gate sdp->sd_name, &stoff);
7237c478bd9Sstevel@tonic-gate symtab[symtab_ndx].st_name = stoff;
7247c478bd9Sstevel@tonic-gate }
7257c478bd9Sstevel@tonic-gate sdp->sd_flags &= ~FLG_SY_CLEAN;
7267c478bd9Sstevel@tonic-gate if (symshndx)
7277c478bd9Sstevel@tonic-gate _symshndx = &symshndx[symtab_ndx];
7287c478bd9Sstevel@tonic-gate sdp->sd_sym = sym = &symtab[symtab_ndx++];
7297c478bd9Sstevel@tonic-gate
7307c478bd9Sstevel@tonic-gate if ((sdp->sd_flags & FLG_SY_SPECSEC) &&
7319039eeafSab196087 (sym->st_shndx == SHN_ABS) &&
7329039eeafSab196087 !enter_in_ldynsym)
7337c478bd9Sstevel@tonic-gate continue;
7349039eeafSab196087 } else if (enter_in_ldynsym) {
7359039eeafSab196087 /*
7369039eeafSab196087 * Not using symtab, but we do have ldynsym
7379039eeafSab196087 * available.
7389039eeafSab196087 */
7399039eeafSab196087 ldynsym[ldynsym_ndx] = *sym;
7409039eeafSab196087 (void) st_setstring(dynstr, sdp->sd_name,
7419039eeafSab196087 &stoff);
7429039eeafSab196087 ldynsym[ldynsym_ndx].st_name = stoff;
7439039eeafSab196087
7449039eeafSab196087 sdp->sd_flags &= ~FLG_SY_CLEAN;
7459039eeafSab196087 if (ldynshndx)
7469039eeafSab196087 _symshndx = &ldynshndx[ldynsym_ndx];
747d579eb63Sab196087 sdp->sd_sym = sym = &ldynsym[ldynsym_ndx];
748d579eb63Sab196087 /* Add it to sort section if it qualifies */
749d579eb63Sab196087 ADD_TO_DYNSORT(sdp, sym, type, ldynsym_ndx);
750d579eb63Sab196087 ldynsym_ndx++;
7519039eeafSab196087 } else { /* Not using symtab or ldynsym */
7527c478bd9Sstevel@tonic-gate /*
7537c478bd9Sstevel@tonic-gate * If this symbol requires modifying to provide
7547c478bd9Sstevel@tonic-gate * for a relocation or move table update, make
7557c478bd9Sstevel@tonic-gate * a copy of it.
7567c478bd9Sstevel@tonic-gate */
7577c478bd9Sstevel@tonic-gate if (!(sdp->sd_flags & FLG_SY_UPREQD) &&
75857ef7aa9SRod Evans !(sdp->sd_move))
7597c478bd9Sstevel@tonic-gate continue;
7607c478bd9Sstevel@tonic-gate if ((sdp->sd_flags & FLG_SY_SPECSEC) &&
7617c478bd9Sstevel@tonic-gate (sym->st_shndx == SHN_ABS))
7627c478bd9Sstevel@tonic-gate continue;
7637c478bd9Sstevel@tonic-gate
7645aefb655Srie if (ld_sym_copy(sdp) == S_ERROR)
7657c478bd9Sstevel@tonic-gate return ((Addr)S_ERROR);
7667c478bd9Sstevel@tonic-gate sym = sdp->sd_sym;
7677c478bd9Sstevel@tonic-gate }
7687c478bd9Sstevel@tonic-gate
7697c478bd9Sstevel@tonic-gate /*
7707c478bd9Sstevel@tonic-gate * Update the symbols contents if necessary.
7717c478bd9Sstevel@tonic-gate */
7729039eeafSab196087 update_done = 0;
7737c478bd9Sstevel@tonic-gate if (type == STT_FILE) {
7747c478bd9Sstevel@tonic-gate sdp->sd_shndx = sym->st_shndx = SHN_ABS;
7757c478bd9Sstevel@tonic-gate sdp->sd_flags |= FLG_SY_SPECSEC;
7769039eeafSab196087 update_done = 1;
7777c478bd9Sstevel@tonic-gate }
7787c478bd9Sstevel@tonic-gate
7797c478bd9Sstevel@tonic-gate /*
7807c478bd9Sstevel@tonic-gate * If we are expanding the locally bound partially
7817c478bd9Sstevel@tonic-gate * initialized symbols, then update the address here.
7827c478bd9Sstevel@tonic-gate */
78335450702SAli Bahrami if (ofl->ofl_isparexpn &&
7849039eeafSab196087 (sdp->sd_flags & FLG_SY_PAREXPN) && !update_done) {
78535450702SAli Bahrami sym->st_shndx = parexpnndx;
78635450702SAli Bahrami sdp->sd_isc = ofl->ofl_isparexpn;
78735450702SAli Bahrami sym->st_value = parexpnaddr;
78835450702SAli Bahrami parexpnaddr += sym->st_size;
789b26cc8daSAli Bahrami if ((flags & FLG_OF_RELOBJ) == 0)
790b26cc8daSAli Bahrami sym->st_value -= parexpnbase;
7917c478bd9Sstevel@tonic-gate }
7927c478bd9Sstevel@tonic-gate
7937c478bd9Sstevel@tonic-gate /*
7947c478bd9Sstevel@tonic-gate * If this isn't an UNDEF symbol (ie. an input section
7957c478bd9Sstevel@tonic-gate * is associated), update the symbols value and index.
7967c478bd9Sstevel@tonic-gate */
79708278a5eSRod Evans if (((isc = sdp->sd_isc) != NULL) && !update_done) {
7987c478bd9Sstevel@tonic-gate Word sectndx;
7997c478bd9Sstevel@tonic-gate
8007c478bd9Sstevel@tonic-gate osp = isc->is_osdesc;
8017c478bd9Sstevel@tonic-gate /* LINTED */
8027c478bd9Sstevel@tonic-gate sym->st_value +=
8037c478bd9Sstevel@tonic-gate (Off)_elf_getxoff(isc->is_indata);
804635216b6SRod Evans if ((flags & FLG_OF_RELOBJ) == 0) {
8057c478bd9Sstevel@tonic-gate sym->st_value += osp->os_shdr->sh_addr;
8067c478bd9Sstevel@tonic-gate /*
8077c478bd9Sstevel@tonic-gate * TLS symbols are relative to
8087c478bd9Sstevel@tonic-gate * the TLS segment.
8097c478bd9Sstevel@tonic-gate */
810d579eb63Sab196087 if ((type == STT_TLS) &&
811d579eb63Sab196087 (ofl->ofl_tlsphdr)) {
8127c478bd9Sstevel@tonic-gate sym->st_value -=
8137c478bd9Sstevel@tonic-gate ofl->ofl_tlsphdr->p_vaddr;
8147c478bd9Sstevel@tonic-gate }
8159039eeafSab196087 }
8167c478bd9Sstevel@tonic-gate /* LINTED */
8177c478bd9Sstevel@tonic-gate if ((sdp->sd_shndx = sectndx =
8187c478bd9Sstevel@tonic-gate elf_ndxscn(osp->os_scn)) >= SHN_LORESERVE) {
8197c478bd9Sstevel@tonic-gate if (_symshndx) {
8207c478bd9Sstevel@tonic-gate *_symshndx = sectndx;
8217c478bd9Sstevel@tonic-gate }
8227c478bd9Sstevel@tonic-gate sym->st_shndx = SHN_XINDEX;
8237c478bd9Sstevel@tonic-gate } else {
8247c478bd9Sstevel@tonic-gate /* LINTED */
8257c478bd9Sstevel@tonic-gate sym->st_shndx = sectndx;
8267c478bd9Sstevel@tonic-gate }
8277c478bd9Sstevel@tonic-gate }
8289039eeafSab196087
8299039eeafSab196087 /*
8309039eeafSab196087 * If entering the symbol in both the symtab and the
8319039eeafSab196087 * ldynsym, then the one in symtab needs to be
8329039eeafSab196087 * copied to ldynsym. If it is only in the ldynsym,
8339039eeafSab196087 * then the code above already set it up and we have
8349039eeafSab196087 * nothing more to do here.
8359039eeafSab196087 */
8369039eeafSab196087 if (enter_in_symtab && enter_in_ldynsym) {
8379039eeafSab196087 ldynsym[ldynsym_ndx] = *sym;
8389039eeafSab196087 (void) st_setstring(dynstr, sdp->sd_name,
8399039eeafSab196087 &stoff);
8409039eeafSab196087 ldynsym[ldynsym_ndx].st_name = stoff;
8419039eeafSab196087
8429039eeafSab196087 if (_symshndx && ldynshndx)
8439039eeafSab196087 ldynshndx[ldynsym_ndx] = *_symshndx;
8449039eeafSab196087
845d579eb63Sab196087 /* Add it to sort section if it qualifies */
846d579eb63Sab196087 ADD_TO_DYNSORT(sdp, sym, type, ldynsym_ndx);
847d579eb63Sab196087
8489039eeafSab196087 ldynsym_ndx++;
8499039eeafSab196087 }
8507c478bd9Sstevel@tonic-gate }
85108278a5eSRod Evans
85208278a5eSRod Evans /*
85308278a5eSRod Evans * If this input file has undergone object to symbol
85408278a5eSRod Evans * capabilities conversion, supply any new capabilities symbols.
85508278a5eSRod Evans * These symbols are copies of the original global symbols, and
85608278a5eSRod Evans * follow the existing local symbols that are supplied from this
85708278a5eSRod Evans * input file (which are identified with a preceding STT_FILE).
85808278a5eSRod Evans */
85908278a5eSRod Evans if (symtab && cdp && cdp->ca_syms) {
86008278a5eSRod Evans Aliste idx2;
86108278a5eSRod Evans Cap_sym *csp;
86208278a5eSRod Evans
86308278a5eSRod Evans for (APLIST_TRAVERSE(cdp->ca_syms, idx2, csp)) {
86408278a5eSRod Evans Is_desc *isp;
86508278a5eSRod Evans
86608278a5eSRod Evans sdp = csp->cs_sdp;
86708278a5eSRod Evans sym = sdp->sd_sym;
86808278a5eSRod Evans
86908278a5eSRod Evans if ((isp = sdp->sd_isc) != NULL) {
87008278a5eSRod Evans Os_desc *osp = isp->is_osdesc;
87108278a5eSRod Evans
87208278a5eSRod Evans /*
87308278a5eSRod Evans * Update the symbols value.
87408278a5eSRod Evans */
87508278a5eSRod Evans /* LINTED */
87608278a5eSRod Evans sym->st_value +=
87708278a5eSRod Evans (Off)_elf_getxoff(isp->is_indata);
87808278a5eSRod Evans if ((flags & FLG_OF_RELOBJ) == 0)
87908278a5eSRod Evans sym->st_value +=
88008278a5eSRod Evans osp->os_shdr->sh_addr;
88108278a5eSRod Evans
88208278a5eSRod Evans /*
88308278a5eSRod Evans * Update the symbols section index.
88408278a5eSRod Evans */
88508278a5eSRod Evans sdp->sd_shndx = sym->st_shndx =
88608278a5eSRod Evans elf_ndxscn(osp->os_scn);
8877c478bd9Sstevel@tonic-gate }
88808278a5eSRod Evans
88908278a5eSRod Evans symtab[symtab_ndx] = *sym;
89008278a5eSRod Evans (void) st_setstring(strtab, sdp->sd_name,
89108278a5eSRod Evans &stoff);
89208278a5eSRod Evans symtab[symtab_ndx].st_name = stoff;
89308278a5eSRod Evans sdp->sd_symndx = symtab_ndx++;
89408278a5eSRod Evans }
89508278a5eSRod Evans }
89608278a5eSRod Evans }
89708278a5eSRod Evans
898ca4eed8bSAli Bahrami symtab_gbl_bndx = symtab_ndx; /* .symtab index of 1st global entry */
8997c478bd9Sstevel@tonic-gate
9007c478bd9Sstevel@tonic-gate /*
9017c478bd9Sstevel@tonic-gate * Two special symbols are `_init' and `_fini'. If these are supplied
9027c478bd9Sstevel@tonic-gate * by crti.o then they are used to represent the total concatenation of
903c1c6f601Srie * the `.init' and `.fini' sections.
904c1c6f601Srie *
905635216b6SRod Evans * Determine whether any .init or .fini sections exist. If these
906635216b6SRod Evans * sections exist and a dynamic object is being built, but no `_init'
907635216b6SRod Evans * or `_fini' symbols are found, then the user is probably building
908635216b6SRod Evans * this object directly from ld(1) rather than using a compiler driver
909635216b6SRod Evans * that provides the symbols via crt's.
910c1c6f601Srie *
911c1c6f601Srie * If the .init or .fini section exist, and their associated symbols,
912c1c6f601Srie * determine the size of the sections and updated the symbols value
913c1c6f601Srie * accordingly.
9147c478bd9Sstevel@tonic-gate */
9155aefb655Srie if (((sdp = ld_sym_find(MSG_ORIG(MSG_SYM_INIT_U), SYM_NOHASH, 0,
9167c478bd9Sstevel@tonic-gate ofl)) != NULL) && (sdp->sd_ref == REF_REL_NEED) && sdp->sd_isc &&
917c1c6f601Srie (sdp->sd_isc->is_osdesc == iosp)) {
9185aefb655Srie if (ld_sym_copy(sdp) == S_ERROR)
9197c478bd9Sstevel@tonic-gate return ((Addr)S_ERROR);
92060758829Srie sdp->sd_sym->st_size = sdp->sd_isc->is_osdesc->os_shdr->sh_size;
92160758829Srie
922c1c6f601Srie } else if (iosp && !(flags & FLG_OF_RELOBJ)) {
923*1007fd6fSAli Bahrami ld_eprintf(ofl, ERR_WARNING, MSG_INTL(MSG_SYM_NOCRT),
924c1c6f601Srie MSG_ORIG(MSG_SYM_INIT_U), MSG_ORIG(MSG_SCN_INIT));
9257c478bd9Sstevel@tonic-gate }
926c1c6f601Srie
9275aefb655Srie if (((sdp = ld_sym_find(MSG_ORIG(MSG_SYM_FINI_U), SYM_NOHASH, 0,
9287c478bd9Sstevel@tonic-gate ofl)) != NULL) && (sdp->sd_ref == REF_REL_NEED) && sdp->sd_isc &&
929c1c6f601Srie (sdp->sd_isc->is_osdesc == fosp)) {
9305aefb655Srie if (ld_sym_copy(sdp) == S_ERROR)
9317c478bd9Sstevel@tonic-gate return ((Addr)S_ERROR);
93260758829Srie sdp->sd_sym->st_size = sdp->sd_isc->is_osdesc->os_shdr->sh_size;
93360758829Srie
934c1c6f601Srie } else if (fosp && !(flags & FLG_OF_RELOBJ)) {
935*1007fd6fSAli Bahrami ld_eprintf(ofl, ERR_WARNING, MSG_INTL(MSG_SYM_NOCRT),
936c1c6f601Srie MSG_ORIG(MSG_SYM_FINI_U), MSG_ORIG(MSG_SCN_FINI));
9377c478bd9Sstevel@tonic-gate }
9387c478bd9Sstevel@tonic-gate
9397c478bd9Sstevel@tonic-gate /*
9407c478bd9Sstevel@tonic-gate * Assign .bss information for use with updating COMMON symbols.
9417c478bd9Sstevel@tonic-gate */
9427c478bd9Sstevel@tonic-gate if (ofl->ofl_isbss) {
94357ef7aa9SRod Evans isc = ofl->ofl_isbss;
94457ef7aa9SRod Evans osp = isc->is_osdesc;
9457c478bd9Sstevel@tonic-gate
9467c478bd9Sstevel@tonic-gate bssaddr = osp->os_shdr->sh_addr +
94757ef7aa9SRod Evans (Off)_elf_getxoff(isc->is_indata);
9487c478bd9Sstevel@tonic-gate /* LINTED */
9497c478bd9Sstevel@tonic-gate bssndx = elf_ndxscn(osp->os_scn);
9507c478bd9Sstevel@tonic-gate }
9517c478bd9Sstevel@tonic-gate
952ba2be530Sab196087 #if defined(_ELF64)
95354d82594Sseizo /*
954ba2be530Sab196087 * For amd64 target, assign .lbss information for use
955ba2be530Sab196087 * with updating LCOMMON symbols.
95654d82594Sseizo */
957ba2be530Sab196087 if ((ld_targ.t_m.m_mach == EM_AMD64) && ofl->ofl_islbss) {
95854d82594Sseizo osp = ofl->ofl_islbss->is_osdesc;
95954d82594Sseizo
96054d82594Sseizo lbssaddr = osp->os_shdr->sh_addr +
96154d82594Sseizo (Off)_elf_getxoff(ofl->ofl_islbss->is_indata);
96254d82594Sseizo /* LINTED */
96354d82594Sseizo lbssndx = elf_ndxscn(osp->os_scn);
96454d82594Sseizo }
96554d82594Sseizo #endif
9667c478bd9Sstevel@tonic-gate /*
9677c478bd9Sstevel@tonic-gate * Assign .tlsbss information for use with updating COMMON symbols.
9687c478bd9Sstevel@tonic-gate */
9697c478bd9Sstevel@tonic-gate if (ofl->ofl_istlsbss) {
9707c478bd9Sstevel@tonic-gate osp = ofl->ofl_istlsbss->is_osdesc;
9717c478bd9Sstevel@tonic-gate tlsbssaddr = osp->os_shdr->sh_addr +
9727c478bd9Sstevel@tonic-gate (Off)_elf_getxoff(ofl->ofl_istlsbss->is_indata);
9737c478bd9Sstevel@tonic-gate /* LINTED */
9747c478bd9Sstevel@tonic-gate tlsbssndx = elf_ndxscn(osp->os_scn);
9757c478bd9Sstevel@tonic-gate }
9767c478bd9Sstevel@tonic-gate
9777c478bd9Sstevel@tonic-gate if ((sorted_syms = libld_calloc(ofl->ofl_globcnt +
97857ef7aa9SRod Evans ofl->ofl_elimcnt + ofl->ofl_scopecnt,
97957ef7aa9SRod Evans sizeof (*sorted_syms))) == NULL)
9807c478bd9Sstevel@tonic-gate return ((Addr)S_ERROR);
9817c478bd9Sstevel@tonic-gate
9827c478bd9Sstevel@tonic-gate scndx = 0;
9837c478bd9Sstevel@tonic-gate ssndx = ofl->ofl_scopecnt + ofl->ofl_elimcnt;
9847c478bd9Sstevel@tonic-gate
985635216b6SRod Evans DBG_CALL(Dbg_syms_up_title(ofl->ofl_lml));
986635216b6SRod Evans
9877c478bd9Sstevel@tonic-gate /*
98828bda19cSRod Evans * Traverse the internal symbol table updating global symbol information
98928bda19cSRod Evans * and allocating common.
9907c478bd9Sstevel@tonic-gate */
9917c478bd9Sstevel@tonic-gate for (sav = avl_first(&ofl->ofl_symavl); sav;
9927c478bd9Sstevel@tonic-gate sav = AVL_NEXT(&ofl->ofl_symavl, sav)) {
9937c478bd9Sstevel@tonic-gate Sym *symptr;
9947c478bd9Sstevel@tonic-gate int local;
99554d82594Sseizo int restore;
9967c478bd9Sstevel@tonic-gate
997635216b6SRod Evans sdp = sav->sav_sdp;
9987c478bd9Sstevel@tonic-gate
9997c478bd9Sstevel@tonic-gate /*
100060758829Srie * Ignore any symbols that have been marked as invalid during
100160758829Srie * input processing. Providing these aren't used for
100260758829Srie * relocation, they will be dropped from the output image.
10037c478bd9Sstevel@tonic-gate */
10047c478bd9Sstevel@tonic-gate if (sdp->sd_flags & FLG_SY_INVALID) {
10055aefb655Srie DBG_CALL(Dbg_syms_old(ofl, sdp));
10065aefb655Srie DBG_CALL(Dbg_syms_ignore(ofl, sdp));
10077c478bd9Sstevel@tonic-gate continue;
10087c478bd9Sstevel@tonic-gate }
10097c478bd9Sstevel@tonic-gate
10107c478bd9Sstevel@tonic-gate /*
101160758829Srie * Only needed symbols are copied to the output symbol table.
10127c478bd9Sstevel@tonic-gate */
10137c478bd9Sstevel@tonic-gate if (sdp->sd_ref == REF_DYN_SEEN)
10147c478bd9Sstevel@tonic-gate continue;
10157c478bd9Sstevel@tonic-gate
101608278a5eSRod Evans if (SYM_IS_HIDDEN(sdp) && (flags & FLG_OF_PROCRED))
10177c478bd9Sstevel@tonic-gate local = 1;
10187c478bd9Sstevel@tonic-gate else
10197c478bd9Sstevel@tonic-gate local = 0;
10207c478bd9Sstevel@tonic-gate
10217c478bd9Sstevel@tonic-gate if (local || (ofl->ofl_hashbkts == 0)) {
10227c478bd9Sstevel@tonic-gate sorted_syms[scndx++].sl_sdp = sdp;
10237c478bd9Sstevel@tonic-gate } else {
10247c478bd9Sstevel@tonic-gate sorted_syms[ssndx].sl_hval = sdp->sd_aux->sa_hash %
10257c478bd9Sstevel@tonic-gate ofl->ofl_hashbkts;
10267c478bd9Sstevel@tonic-gate sorted_syms[ssndx].sl_sdp = sdp;
10277c478bd9Sstevel@tonic-gate ssndx++;
10287c478bd9Sstevel@tonic-gate }
10297c478bd9Sstevel@tonic-gate
10307c478bd9Sstevel@tonic-gate /*
1031c1c6f601Srie * Note - expand the COMMON symbols here because an address
1032c1c6f601Srie * must be assigned to them in the same order that space was
1033c1c6f601Srie * calculated in sym_validate(). If this ordering isn't
1034c1c6f601Srie * followed differing alignment requirements can throw us all
1035c1c6f601Srie * out of whack.
10367c478bd9Sstevel@tonic-gate *
1037c1c6f601Srie * The expanded .bss global symbol is handled here as well.
10387c478bd9Sstevel@tonic-gate *
1039c1c6f601Srie * The actual adding entries into the symbol table still occurs
1040c1c6f601Srie * below in hashbucket order.
10417c478bd9Sstevel@tonic-gate */
10427c478bd9Sstevel@tonic-gate symptr = sdp->sd_sym;
104354d82594Sseizo restore = 0;
10447c478bd9Sstevel@tonic-gate if ((sdp->sd_flags & FLG_SY_PAREXPN) ||
10457c478bd9Sstevel@tonic-gate ((sdp->sd_flags & FLG_SY_SPECSEC) &&
10467c478bd9Sstevel@tonic-gate (sdp->sd_shndx = symptr->st_shndx) == SHN_COMMON)) {
10477c478bd9Sstevel@tonic-gate
10487c478bd9Sstevel@tonic-gate /*
104935450702SAli Bahrami * An expanded symbol goes to a special .data section
105035450702SAli Bahrami * prepared for that purpose (ofl->ofl_isparexpn).
1051c1c6f601Srie * Assign COMMON allocations to .bss.
10527c478bd9Sstevel@tonic-gate * Otherwise leave it as is.
10537c478bd9Sstevel@tonic-gate */
10547c478bd9Sstevel@tonic-gate if (sdp->sd_flags & FLG_SY_PAREXPN) {
10557c478bd9Sstevel@tonic-gate restore = 1;
105635450702SAli Bahrami sdp->sd_shndx = parexpnndx;
10577c478bd9Sstevel@tonic-gate sdp->sd_flags &= ~FLG_SY_SPECSEC;
10587c478bd9Sstevel@tonic-gate symptr->st_value = (Xword) S_ROUND(
105935450702SAli Bahrami parexpnaddr, symptr->st_value);
106035450702SAli Bahrami parexpnaddr = symptr->st_value +
10617c478bd9Sstevel@tonic-gate symptr->st_size;
106235450702SAli Bahrami sdp->sd_isc = ofl->ofl_isparexpn;
10637c478bd9Sstevel@tonic-gate sdp->sd_flags |= FLG_SY_COMMEXP;
1064c1c6f601Srie
10657c478bd9Sstevel@tonic-gate } else if (ELF_ST_TYPE(symptr->st_info) != STT_TLS &&
10667c478bd9Sstevel@tonic-gate (local || !(flags & FLG_OF_RELOBJ))) {
10677c478bd9Sstevel@tonic-gate restore = 1;
10687c478bd9Sstevel@tonic-gate sdp->sd_shndx = bssndx;
10697c478bd9Sstevel@tonic-gate sdp->sd_flags &= ~FLG_SY_SPECSEC;
10707c478bd9Sstevel@tonic-gate symptr->st_value = (Xword)S_ROUND(bssaddr,
10717c478bd9Sstevel@tonic-gate symptr->st_value);
10727c478bd9Sstevel@tonic-gate bssaddr = symptr->st_value + symptr->st_size;
10737c478bd9Sstevel@tonic-gate sdp->sd_isc = ofl->ofl_isbss;
10747c478bd9Sstevel@tonic-gate sdp->sd_flags |= FLG_SY_COMMEXP;
1075c1c6f601Srie
10767c478bd9Sstevel@tonic-gate } else if (ELF_ST_TYPE(symptr->st_info) == STT_TLS &&
10777c478bd9Sstevel@tonic-gate (local || !(flags & FLG_OF_RELOBJ))) {
10787c478bd9Sstevel@tonic-gate restore = 1;
10797c478bd9Sstevel@tonic-gate sdp->sd_shndx = tlsbssndx;
10807c478bd9Sstevel@tonic-gate sdp->sd_flags &= ~FLG_SY_SPECSEC;
10817c478bd9Sstevel@tonic-gate symptr->st_value = (Xword)S_ROUND(tlsbssaddr,
10827c478bd9Sstevel@tonic-gate symptr->st_value);
10837c478bd9Sstevel@tonic-gate tlsbssaddr = symptr->st_value + symptr->st_size;
10847c478bd9Sstevel@tonic-gate sdp->sd_isc = ofl->ofl_istlsbss;
10857c478bd9Sstevel@tonic-gate sdp->sd_flags |= FLG_SY_COMMEXP;
10867c478bd9Sstevel@tonic-gate /*
1087dd94ecefSrie * TLS symbols are relative to the TLS segment.
10887c478bd9Sstevel@tonic-gate */
10897c478bd9Sstevel@tonic-gate symptr->st_value -= ofl->ofl_tlsphdr->p_vaddr;
10907c478bd9Sstevel@tonic-gate }
1091ba2be530Sab196087 #if defined(_ELF64)
1092ba2be530Sab196087 } else if ((ld_targ.t_m.m_mach == EM_AMD64) &&
1093ba2be530Sab196087 (sdp->sd_flags & FLG_SY_SPECSEC) &&
109454d82594Sseizo ((sdp->sd_shndx = symptr->st_shndx) ==
109554d82594Sseizo SHN_X86_64_LCOMMON) &&
109654d82594Sseizo ((local || !(flags & FLG_OF_RELOBJ)))) {
109754d82594Sseizo restore = 1;
109854d82594Sseizo sdp->sd_shndx = lbssndx;
109954d82594Sseizo sdp->sd_flags &= ~FLG_SY_SPECSEC;
110054d82594Sseizo symptr->st_value = (Xword)S_ROUND(lbssaddr,
110154d82594Sseizo symptr->st_value);
110254d82594Sseizo lbssaddr = symptr->st_value + symptr->st_size;
110354d82594Sseizo sdp->sd_isc = ofl->ofl_islbss;
110454d82594Sseizo sdp->sd_flags |= FLG_SY_COMMEXP;
110554d82594Sseizo #endif
110654d82594Sseizo }
11077c478bd9Sstevel@tonic-gate
11087c478bd9Sstevel@tonic-gate if (restore != 0) {
1109d579eb63Sab196087 uchar_t type, bind;
1110c1c6f601Srie
11117c478bd9Sstevel@tonic-gate /*
1112c1c6f601Srie * Make sure this COMMON symbol is returned to the same
1113c1c6f601Srie * binding as was defined in the original relocatable
11147c478bd9Sstevel@tonic-gate * object reference.
11157c478bd9Sstevel@tonic-gate */
11167c478bd9Sstevel@tonic-gate type = ELF_ST_TYPE(symptr->st_info);
11177c478bd9Sstevel@tonic-gate if (sdp->sd_flags & FLG_SY_GLOBREF)
11187c478bd9Sstevel@tonic-gate bind = STB_GLOBAL;
11197c478bd9Sstevel@tonic-gate else
11207c478bd9Sstevel@tonic-gate bind = STB_WEAK;
11217c478bd9Sstevel@tonic-gate
11227c478bd9Sstevel@tonic-gate symptr->st_info = ELF_ST_INFO(bind, type);
11237c478bd9Sstevel@tonic-gate }
11247c478bd9Sstevel@tonic-gate }
11257c478bd9Sstevel@tonic-gate
112608278a5eSRod Evans /*
112708278a5eSRod Evans * If this is a dynamic object then add any local capabilities symbols.
112808278a5eSRod Evans */
112908278a5eSRod Evans if (dynsym && ofl->ofl_capfamilies) {
113008278a5eSRod Evans Cap_avlnode *cav;
113108278a5eSRod Evans
113208278a5eSRod Evans for (cav = avl_first(ofl->ofl_capfamilies); cav;
113308278a5eSRod Evans cav = AVL_NEXT(ofl->ofl_capfamilies, cav)) {
113408278a5eSRod Evans Cap_sym *csp;
113508278a5eSRod Evans Aliste idx;
113608278a5eSRod Evans
113708278a5eSRod Evans for (APLIST_TRAVERSE(cav->cn_members, idx, csp)) {
113808278a5eSRod Evans sdp = csp->cs_sdp;
113908278a5eSRod Evans
114008278a5eSRod Evans DBG_CALL(Dbg_syms_created(ofl->ofl_lml,
114108278a5eSRod Evans sdp->sd_name));
114208278a5eSRod Evans DBG_CALL(Dbg_syms_entered(ofl, sdp->sd_sym,
114308278a5eSRod Evans sdp));
114408278a5eSRod Evans
114508278a5eSRod Evans dynsym[dynsym_ndx] = *sdp->sd_sym;
114608278a5eSRod Evans
114708278a5eSRod Evans (void) st_setstring(dynstr, sdp->sd_name,
114808278a5eSRod Evans &stoff);
114908278a5eSRod Evans dynsym[dynsym_ndx].st_name = stoff;
115008278a5eSRod Evans
115108278a5eSRod Evans sdp->sd_sym = &dynsym[dynsym_ndx];
115208278a5eSRod Evans sdp->sd_symndx = dynsym_ndx;
115308278a5eSRod Evans
115408278a5eSRod Evans /*
115508278a5eSRod Evans * Indicate that this is a capabilities symbol.
115608278a5eSRod Evans * Note, that this identification only provides
115708278a5eSRod Evans * information regarding the symbol that is
115808278a5eSRod Evans * visible from elfdump(1) -y. The association
115908278a5eSRod Evans * of a symbol to its capabilities is derived
116008278a5eSRod Evans * from a .SUNW_capinfo entry.
116108278a5eSRod Evans */
116208278a5eSRod Evans if (syminfo) {
116308278a5eSRod Evans syminfo[dynsym_ndx].si_flags |=
116408278a5eSRod Evans SYMINFO_FLG_CAP;
116508278a5eSRod Evans }
116608278a5eSRod Evans
116708278a5eSRod Evans dynsym_ndx++;
116808278a5eSRod Evans }
116908278a5eSRod Evans }
117008278a5eSRod Evans }
117108278a5eSRod Evans
11727c478bd9Sstevel@tonic-gate if (ofl->ofl_hashbkts) {
11737c478bd9Sstevel@tonic-gate qsort(sorted_syms + ofl->ofl_scopecnt + ofl->ofl_elimcnt,
11747c478bd9Sstevel@tonic-gate ofl->ofl_globcnt, sizeof (Sym_s_list),
11757c478bd9Sstevel@tonic-gate (int (*)(const void *, const void *))sym_hash_compare);
11767c478bd9Sstevel@tonic-gate }
11777c478bd9Sstevel@tonic-gate
11787c478bd9Sstevel@tonic-gate for (ssndx = 0; ssndx < (ofl->ofl_elimcnt + ofl->ofl_scopecnt +
11797c478bd9Sstevel@tonic-gate ofl->ofl_globcnt); ssndx++) {
11807c478bd9Sstevel@tonic-gate const char *name;
11817c478bd9Sstevel@tonic-gate Sym *sym;
11827c478bd9Sstevel@tonic-gate Sym_aux *sap;
11837c478bd9Sstevel@tonic-gate Half spec;
11849039eeafSab196087 int local = 0, dynlocal = 0, enter_in_symtab;
11857c478bd9Sstevel@tonic-gate Gotndx *gnp;
11867c478bd9Sstevel@tonic-gate Word sectndx;
11877c478bd9Sstevel@tonic-gate
11887c478bd9Sstevel@tonic-gate sdp = sorted_syms[ssndx].sl_sdp;
11897c478bd9Sstevel@tonic-gate sectndx = 0;
11907c478bd9Sstevel@tonic-gate
11917c478bd9Sstevel@tonic-gate if (symtab)
11927c478bd9Sstevel@tonic-gate enter_in_symtab = 1;
11937c478bd9Sstevel@tonic-gate else
11947c478bd9Sstevel@tonic-gate enter_in_symtab = 0;
11957c478bd9Sstevel@tonic-gate
11967c478bd9Sstevel@tonic-gate /*
11977c478bd9Sstevel@tonic-gate * Assign a got offset if necessary.
11987c478bd9Sstevel@tonic-gate */
1199ba2be530Sab196087 if ((ld_targ.t_mr.mr_assign_got != NULL) &&
1200ba2be530Sab196087 (*ld_targ.t_mr.mr_assign_got)(ofl, sdp) == S_ERROR)
12017c478bd9Sstevel@tonic-gate return ((Addr)S_ERROR);
1202c1c6f601Srie
12035aefb655Srie if (DBG_ENABLED) {
120457ef7aa9SRod Evans Aliste idx2;
120557ef7aa9SRod Evans
120657ef7aa9SRod Evans for (ALIST_TRAVERSE(sdp->sd_GOTndxs, idx2, gnp)) {
1207d326b23bSrie gottable->gt_sym = sdp;
1208d326b23bSrie gottable->gt_gndx.gn_gotndx = gnp->gn_gotndx;
1209d326b23bSrie gottable->gt_gndx.gn_addend = gnp->gn_addend;
1210d326b23bSrie gottable++;
12117c478bd9Sstevel@tonic-gate }
12127c478bd9Sstevel@tonic-gate
12137c478bd9Sstevel@tonic-gate if (sdp->sd_aux && sdp->sd_aux->sa_PLTGOTndx) {
1214d326b23bSrie gottable->gt_sym = sdp;
1215d326b23bSrie gottable->gt_gndx.gn_gotndx =
12167c478bd9Sstevel@tonic-gate sdp->sd_aux->sa_PLTGOTndx;
1217d326b23bSrie gottable++;
12187c478bd9Sstevel@tonic-gate }
12197c478bd9Sstevel@tonic-gate }
12207c478bd9Sstevel@tonic-gate
12217c478bd9Sstevel@tonic-gate /*
12227c478bd9Sstevel@tonic-gate * If this symbol has been marked as being reduced to local
12237c478bd9Sstevel@tonic-gate * scope then it will have to be placed in the scoped portion
12247c478bd9Sstevel@tonic-gate * of the .symtab. Retain the appropriate index for use in
12257c478bd9Sstevel@tonic-gate * version symbol indexing and relocation.
12267c478bd9Sstevel@tonic-gate */
122708278a5eSRod Evans if (SYM_IS_HIDDEN(sdp) && (flags & FLG_OF_PROCRED)) {
12287c478bd9Sstevel@tonic-gate local = 1;
1229635216b6SRod Evans if (!(sdp->sd_flags & FLG_SY_ELIM) && !dynsym)
12307c478bd9Sstevel@tonic-gate sdp->sd_symndx = scopesym_ndx;
12317c478bd9Sstevel@tonic-gate else
12327c478bd9Sstevel@tonic-gate sdp->sd_symndx = 0;
12337c478bd9Sstevel@tonic-gate
1234635216b6SRod Evans if (sdp->sd_flags & FLG_SY_ELIM) {
12357c478bd9Sstevel@tonic-gate enter_in_symtab = 0;
12369039eeafSab196087 } else if (ldynsym && sdp->sd_sym->st_name &&
1237d579eb63Sab196087 ldynsym_symtype[
1238d579eb63Sab196087 ELF_ST_TYPE(sdp->sd_sym->st_info)]) {
12399039eeafSab196087 dynlocal = 1;
12409039eeafSab196087 }
12419039eeafSab196087 } else {
12427c478bd9Sstevel@tonic-gate sdp->sd_symndx = *symndx;
12439039eeafSab196087 }
12447c478bd9Sstevel@tonic-gate
12457c478bd9Sstevel@tonic-gate /*
12467c478bd9Sstevel@tonic-gate * Copy basic symbol and string information.
12477c478bd9Sstevel@tonic-gate */
12487c478bd9Sstevel@tonic-gate name = sdp->sd_name;
12497c478bd9Sstevel@tonic-gate sap = sdp->sd_aux;
12507c478bd9Sstevel@tonic-gate
12517c478bd9Sstevel@tonic-gate /*
12527c478bd9Sstevel@tonic-gate * If we require to record version symbol indexes, update the
12537c478bd9Sstevel@tonic-gate * associated version symbol information for all defined
12547c478bd9Sstevel@tonic-gate * symbols. If a version definition is required any zero value
12557c478bd9Sstevel@tonic-gate * symbol indexes would have been flagged as undefined symbol
12567c478bd9Sstevel@tonic-gate * errors, however if we're just scoping these need to fall into
12577c478bd9Sstevel@tonic-gate * the base of global symbols.
12587c478bd9Sstevel@tonic-gate */
12597c478bd9Sstevel@tonic-gate if (sdp->sd_symndx && versym) {
12607c478bd9Sstevel@tonic-gate Half vndx = 0;
12617c478bd9Sstevel@tonic-gate
1262090a8d9eSAli Bahrami if (sdp->sd_flags & FLG_SY_MVTOCOMM) {
12637c478bd9Sstevel@tonic-gate vndx = VER_NDX_GLOBAL;
1264090a8d9eSAli Bahrami } else if (sdp->sd_ref == REF_REL_NEED) {
12657c478bd9Sstevel@tonic-gate vndx = sap->sa_overndx;
126608278a5eSRod Evans
12677c478bd9Sstevel@tonic-gate if ((vndx == 0) &&
12687c478bd9Sstevel@tonic-gate (sdp->sd_sym->st_shndx != SHN_UNDEF)) {
126908278a5eSRod Evans if (SYM_IS_HIDDEN(sdp))
12707c478bd9Sstevel@tonic-gate vndx = VER_NDX_LOCAL;
12717c478bd9Sstevel@tonic-gate else
12727c478bd9Sstevel@tonic-gate vndx = VER_NDX_GLOBAL;
12737c478bd9Sstevel@tonic-gate }
1274090a8d9eSAli Bahrami } else if ((sdp->sd_ref == REF_DYN_NEED) &&
1275090a8d9eSAli Bahrami (sap->sa_dverndx > 0) &&
1276090a8d9eSAli Bahrami (sap->sa_dverndx <= sdp->sd_file->ifl_vercnt) &&
1277090a8d9eSAli Bahrami (sdp->sd_file->ifl_verndx != NULL)) {
1278090a8d9eSAli Bahrami /* Use index of verneed record */
1279090a8d9eSAli Bahrami vndx = sdp->sd_file->ifl_verndx
1280090a8d9eSAli Bahrami [sap->sa_dverndx].vi_overndx;
12817c478bd9Sstevel@tonic-gate }
12827c478bd9Sstevel@tonic-gate versym[sdp->sd_symndx] = vndx;
12837c478bd9Sstevel@tonic-gate }
12847c478bd9Sstevel@tonic-gate
12857c478bd9Sstevel@tonic-gate /*
12867c478bd9Sstevel@tonic-gate * If we are creating the .syminfo section then set per symbol
12877c478bd9Sstevel@tonic-gate * flags here.
12887c478bd9Sstevel@tonic-gate */
12897c478bd9Sstevel@tonic-gate if (sdp->sd_symndx && syminfo &&
12907c478bd9Sstevel@tonic-gate !(sdp->sd_flags & FLG_SY_NOTAVAIL)) {
12917c478bd9Sstevel@tonic-gate int ndx = sdp->sd_symndx;
1292635216b6SRod Evans APlist **alpp = &(ofl->ofl_symdtent);
12937c478bd9Sstevel@tonic-gate
12947c478bd9Sstevel@tonic-gate if (sdp->sd_flags & FLG_SY_MVTOCOMM)
12957c478bd9Sstevel@tonic-gate /*
12967c478bd9Sstevel@tonic-gate * Identify a copy relocation symbol.
12977c478bd9Sstevel@tonic-gate */
12987c478bd9Sstevel@tonic-gate syminfo[ndx].si_flags |= SYMINFO_FLG_COPY;
12997c478bd9Sstevel@tonic-gate
13007c478bd9Sstevel@tonic-gate if (sdp->sd_ref == REF_DYN_NEED) {
13017c478bd9Sstevel@tonic-gate /*
13027c478bd9Sstevel@tonic-gate * A reference is bound to a needed dependency.
130328bda19cSRod Evans * Save the syminfo entry, so that when the
130428bda19cSRod Evans * .dynamic section has been updated, a
130528bda19cSRod Evans * DT_NEEDED entry can be associated
130628bda19cSRod Evans * (see update_osyminfo()).
13077c478bd9Sstevel@tonic-gate */
130857ef7aa9SRod Evans if (aplist_append(alpp, sdp,
130957ef7aa9SRod Evans AL_CNT_OFL_SYMINFOSYMS) == NULL)
13107c478bd9Sstevel@tonic-gate return (0);
13117c478bd9Sstevel@tonic-gate
131228bda19cSRod Evans /*
131328bda19cSRod Evans * Flag that the symbol has a direct association
131428bda19cSRod Evans * with the external reference (this is an old
131528bda19cSRod Evans * tagging, that has no real effect by itself).
131628bda19cSRod Evans */
13177c478bd9Sstevel@tonic-gate syminfo[ndx].si_flags |= SYMINFO_FLG_DIRECT;
1318f441771bSRod Evans
1319f441771bSRod Evans /*
1320f441771bSRod Evans * Flag any lazy or deferred reference.
1321f441771bSRod Evans */
13227c478bd9Sstevel@tonic-gate if (sdp->sd_flags & FLG_SY_LAZYLD)
13237c478bd9Sstevel@tonic-gate syminfo[ndx].si_flags |=
13247c478bd9Sstevel@tonic-gate SYMINFO_FLG_LAZYLOAD;
1325f441771bSRod Evans if (sdp->sd_flags & FLG_SY_DEFERRED)
1326f441771bSRod Evans syminfo[ndx].si_flags |=
1327f441771bSRod Evans SYMINFO_FLG_DEFERRED;
13287c478bd9Sstevel@tonic-gate
13297c478bd9Sstevel@tonic-gate /*
13307c478bd9Sstevel@tonic-gate * Enable direct symbol bindings if:
13317c478bd9Sstevel@tonic-gate *
133257ef7aa9SRod Evans * - Symbol was identified with the DIRECT
13337c478bd9Sstevel@tonic-gate * keyword in a mapfile.
13347c478bd9Sstevel@tonic-gate *
133557ef7aa9SRod Evans * - Symbol reference has been bound to a
13367c478bd9Sstevel@tonic-gate * dependency which was specified as
13377c478bd9Sstevel@tonic-gate * requiring direct bindings with -zdirect.
13387c478bd9Sstevel@tonic-gate *
133957ef7aa9SRod Evans * - All symbol references are required to
13407c478bd9Sstevel@tonic-gate * use direct bindings via -Bdirect.
13417c478bd9Sstevel@tonic-gate */
1342635216b6SRod Evans if (sdp->sd_flags & FLG_SY_DIR)
13437c478bd9Sstevel@tonic-gate syminfo[ndx].si_flags |=
13447c478bd9Sstevel@tonic-gate SYMINFO_FLG_DIRECTBIND;
13457c478bd9Sstevel@tonic-gate
13467c478bd9Sstevel@tonic-gate } else if ((sdp->sd_flags & FLG_SY_EXTERN) &&
13477c478bd9Sstevel@tonic-gate (sdp->sd_sym->st_shndx == SHN_UNDEF)) {
13487c478bd9Sstevel@tonic-gate /*
13497c478bd9Sstevel@tonic-gate * If this symbol has been explicitly defined
13507c478bd9Sstevel@tonic-gate * as external, and remains unresolved, mark
13517c478bd9Sstevel@tonic-gate * it as external.
13527c478bd9Sstevel@tonic-gate */
13537c478bd9Sstevel@tonic-gate syminfo[ndx].si_boundto = SYMINFO_BT_EXTERN;
13547c478bd9Sstevel@tonic-gate
13559a411307Srie } else if ((sdp->sd_flags & FLG_SY_PARENT) &&
13569a411307Srie (sdp->sd_sym->st_shndx == SHN_UNDEF)) {
13577c478bd9Sstevel@tonic-gate /*
13589a411307Srie * If this symbol has been explicitly defined
13599a411307Srie * to be a reference to a parent object,
13609a411307Srie * indicate whether a direct binding should be
13617c478bd9Sstevel@tonic-gate * established.
13627c478bd9Sstevel@tonic-gate */
13637c478bd9Sstevel@tonic-gate syminfo[ndx].si_flags |= SYMINFO_FLG_DIRECT;
13647c478bd9Sstevel@tonic-gate syminfo[ndx].si_boundto = SYMINFO_BT_PARENT;
1365635216b6SRod Evans if (sdp->sd_flags & FLG_SY_DIR)
13667c478bd9Sstevel@tonic-gate syminfo[ndx].si_flags |=
13677c478bd9Sstevel@tonic-gate SYMINFO_FLG_DIRECTBIND;
13687c478bd9Sstevel@tonic-gate
13697c478bd9Sstevel@tonic-gate } else if (sdp->sd_flags & FLG_SY_STDFLTR) {
13707c478bd9Sstevel@tonic-gate /*
13717c478bd9Sstevel@tonic-gate * A filter definition. Although this symbol
13727c478bd9Sstevel@tonic-gate * can only be a stub, it might be necessary to
13737c478bd9Sstevel@tonic-gate * prevent external direct bindings.
13747c478bd9Sstevel@tonic-gate */
13757c478bd9Sstevel@tonic-gate syminfo[ndx].si_flags |= SYMINFO_FLG_FILTER;
1376635216b6SRod Evans if (sdp->sd_flags & FLG_SY_NDIR)
13777c478bd9Sstevel@tonic-gate syminfo[ndx].si_flags |=
13787c478bd9Sstevel@tonic-gate SYMINFO_FLG_NOEXTDIRECT;
13797c478bd9Sstevel@tonic-gate
13807c478bd9Sstevel@tonic-gate } else if (sdp->sd_flags & FLG_SY_AUXFLTR) {
13817c478bd9Sstevel@tonic-gate /*
13827c478bd9Sstevel@tonic-gate * An auxiliary filter definition. By nature,
13837c478bd9Sstevel@tonic-gate * this definition is direct, in that should the
13847c478bd9Sstevel@tonic-gate * filtee lookup fail, we'll fall back to this
138508278a5eSRod Evans * object. It may still be necessary to
13867c478bd9Sstevel@tonic-gate * prevent external direct bindings.
13877c478bd9Sstevel@tonic-gate */
13887c478bd9Sstevel@tonic-gate syminfo[ndx].si_flags |= SYMINFO_FLG_AUXILIARY;
1389635216b6SRod Evans if (sdp->sd_flags & FLG_SY_NDIR)
13907c478bd9Sstevel@tonic-gate syminfo[ndx].si_flags |=
13917c478bd9Sstevel@tonic-gate SYMINFO_FLG_NOEXTDIRECT;
13927c478bd9Sstevel@tonic-gate
13937c478bd9Sstevel@tonic-gate } else if ((sdp->sd_ref == REF_REL_NEED) &&
13947c478bd9Sstevel@tonic-gate (sdp->sd_sym->st_shndx != SHN_UNDEF)) {
13957c478bd9Sstevel@tonic-gate /*
13967c478bd9Sstevel@tonic-gate * This definition exists within the object
1397635216b6SRod Evans * being created. Provide a default boundto
1398635216b6SRod Evans * definition, which may be overridden later.
13997c478bd9Sstevel@tonic-gate */
1400635216b6SRod Evans syminfo[ndx].si_boundto = SYMINFO_BT_NONE;
1401635216b6SRod Evans
1402635216b6SRod Evans /*
1403635216b6SRod Evans * Indicate whether it is necessary to prevent
1404635216b6SRod Evans * external direct bindings.
1405635216b6SRod Evans */
1406635216b6SRod Evans if (sdp->sd_flags & FLG_SY_NDIR) {
14077c478bd9Sstevel@tonic-gate syminfo[ndx].si_flags |=
14087c478bd9Sstevel@tonic-gate SYMINFO_FLG_NOEXTDIRECT;
14097c478bd9Sstevel@tonic-gate }
14107c478bd9Sstevel@tonic-gate
14117c478bd9Sstevel@tonic-gate /*
14129a411307Srie * Indicate that this symbol is acting as an
14139a411307Srie * individual interposer.
14149a411307Srie */
14159a411307Srie if (sdp->sd_flags & FLG_SY_INTPOSE) {
14169a411307Srie syminfo[ndx].si_flags |=
14179a411307Srie SYMINFO_FLG_INTERPOSE;
14189a411307Srie }
14199a411307Srie
14209a411307Srie /*
1421f441771bSRod Evans * Indicate that this symbol is deferred, and
1422f441771bSRod Evans * hence should not be bound to during BIND_NOW
1423f441771bSRod Evans * relocations.
1424f441771bSRod Evans */
1425f441771bSRod Evans if (sdp->sd_flags & FLG_SY_DEFERRED) {
1426f441771bSRod Evans syminfo[ndx].si_flags |=
1427f441771bSRod Evans SYMINFO_FLG_DEFERRED;
1428f441771bSRod Evans }
1429f441771bSRod Evans
1430f441771bSRod Evans /*
1431635216b6SRod Evans * If external bindings are allowed, indicate
1432635216b6SRod Evans * the binding, and a direct binding if
1433635216b6SRod Evans * necessary.
14347c478bd9Sstevel@tonic-gate */
1435635216b6SRod Evans if ((sdp->sd_flags & FLG_SY_NDIR) == 0) {
14367c478bd9Sstevel@tonic-gate syminfo[ndx].si_flags |=
14377c478bd9Sstevel@tonic-gate SYMINFO_FLG_DIRECT;
14387c478bd9Sstevel@tonic-gate
1439635216b6SRod Evans if (sdp->sd_flags & FLG_SY_DIR)
14407c478bd9Sstevel@tonic-gate syminfo[ndx].si_flags |=
14417c478bd9Sstevel@tonic-gate SYMINFO_FLG_DIRECTBIND;
14427c478bd9Sstevel@tonic-gate
14437c478bd9Sstevel@tonic-gate /*
1444635216b6SRod Evans * Provide a default boundto definition,
1445635216b6SRod Evans * which may be overridden later.
14467c478bd9Sstevel@tonic-gate */
14477c478bd9Sstevel@tonic-gate syminfo[ndx].si_boundto =
14487c478bd9Sstevel@tonic-gate SYMINFO_BT_SELF;
14497c478bd9Sstevel@tonic-gate }
145008278a5eSRod Evans
145108278a5eSRod Evans /*
145208278a5eSRod Evans * Indicate that this is a capabilities symbol.
145308278a5eSRod Evans * Note, that this identification only provides
145408278a5eSRod Evans * information regarding the symbol that is
145508278a5eSRod Evans * visible from elfdump(1) -y. The association
145608278a5eSRod Evans * of a symbol to its capabilities is derived
145708278a5eSRod Evans * from a .SUNW_capinfo entry.
145808278a5eSRod Evans */
145908278a5eSRod Evans if ((sdp->sd_flags & FLG_SY_CAP) &&
146008278a5eSRod Evans ofl->ofl_oscapinfo) {
146108278a5eSRod Evans syminfo[ndx].si_flags |=
146208278a5eSRod Evans SYMINFO_FLG_CAP;
146308278a5eSRod Evans }
14647c478bd9Sstevel@tonic-gate }
14657c478bd9Sstevel@tonic-gate }
14667c478bd9Sstevel@tonic-gate
14677c478bd9Sstevel@tonic-gate /*
14687c478bd9Sstevel@tonic-gate * Note that the `sym' value is reset to be one of the new
14697c478bd9Sstevel@tonic-gate * symbol table entries. This symbol will be updated further
14707c478bd9Sstevel@tonic-gate * depending on the type of the symbol. Process the .symtab
14717c478bd9Sstevel@tonic-gate * first, followed by the .dynsym, thus the `sym' value will
14727c478bd9Sstevel@tonic-gate * remain as the .dynsym value when the .dynsym is present.
1473c1c6f601Srie * This ensures that any versioning symbols st_name value will
14749039eeafSab196087 * be appropriate for the string table used by version
14757c478bd9Sstevel@tonic-gate * entries.
14767c478bd9Sstevel@tonic-gate */
14777c478bd9Sstevel@tonic-gate if (enter_in_symtab) {
14787c478bd9Sstevel@tonic-gate Word _symndx;
14797c478bd9Sstevel@tonic-gate
14807c478bd9Sstevel@tonic-gate if (local)
14817c478bd9Sstevel@tonic-gate _symndx = scopesym_ndx;
14827c478bd9Sstevel@tonic-gate else
14837c478bd9Sstevel@tonic-gate _symndx = symtab_ndx;
14849039eeafSab196087
14857c478bd9Sstevel@tonic-gate symtab[_symndx] = *sdp->sd_sym;
14867c478bd9Sstevel@tonic-gate sdp->sd_sym = sym = &symtab[_symndx];
14877c478bd9Sstevel@tonic-gate (void) st_setstring(strtab, name, &stoff);
14887c478bd9Sstevel@tonic-gate sym->st_name = stoff;
14897c478bd9Sstevel@tonic-gate }
14909039eeafSab196087 if (dynlocal) {
14919039eeafSab196087 ldynsym[ldynscopesym_ndx] = *sdp->sd_sym;
14929039eeafSab196087 sdp->sd_sym = sym = &ldynsym[ldynscopesym_ndx];
14939039eeafSab196087 (void) st_setstring(dynstr, name, &stoff);
14949039eeafSab196087 ldynsym[ldynscopesym_ndx].st_name = stoff;
1495d579eb63Sab196087 /* Add it to sort section if it qualifies */
1496d579eb63Sab196087 ADD_TO_DYNSORT(sdp, sym, ELF_ST_TYPE(sym->st_info),
1497d579eb63Sab196087 ldynscopesym_ndx);
14989039eeafSab196087 }
14997c478bd9Sstevel@tonic-gate
15007c478bd9Sstevel@tonic-gate if (dynsym && !local) {
15017c478bd9Sstevel@tonic-gate dynsym[dynsym_ndx] = *sdp->sd_sym;
150260758829Srie
15037c478bd9Sstevel@tonic-gate /*
15047c478bd9Sstevel@tonic-gate * Provided this isn't an unnamed register symbol,
150560758829Srie * update the symbols name and hash value.
15067c478bd9Sstevel@tonic-gate */
15077c478bd9Sstevel@tonic-gate if (((sdp->sd_flags & FLG_SY_REGSYM) == 0) ||
15087c478bd9Sstevel@tonic-gate dynsym[dynsym_ndx].st_name) {
15097c478bd9Sstevel@tonic-gate (void) st_setstring(dynstr, name, &stoff);
15107c478bd9Sstevel@tonic-gate dynsym[dynsym_ndx].st_name = stoff;
151160758829Srie
15127c478bd9Sstevel@tonic-gate if (stoff) {
151308278a5eSRod Evans Word hashval, _hashndx;
151460758829Srie
151560758829Srie hashval =
151660758829Srie sap->sa_hash % ofl->ofl_hashbkts;
151760758829Srie
15187c478bd9Sstevel@tonic-gate /* LINTED */
15197c478bd9Sstevel@tonic-gate if (_hashndx = hashbkt[hashval]) {
152060758829Srie while (hashchain[_hashndx]) {
1521d840867fSab196087 _hashndx =
1522d840867fSab196087 hashchain[_hashndx];
152360758829Srie }
1524d840867fSab196087 hashchain[_hashndx] =
1525d840867fSab196087 sdp->sd_symndx;
15269039eeafSab196087 } else {
1527d840867fSab196087 hashbkt[hashval] =
1528d840867fSab196087 sdp->sd_symndx;
15299039eeafSab196087 }
15307c478bd9Sstevel@tonic-gate }
15317c478bd9Sstevel@tonic-gate }
15327c478bd9Sstevel@tonic-gate sdp->sd_sym = sym = &dynsym[dynsym_ndx];
153360758829Srie
1534d579eb63Sab196087 /*
1535d579eb63Sab196087 * Add it to sort section if it qualifies.
1536d579eb63Sab196087 * The indexes in that section are relative to the
1537d579eb63Sab196087 * the adjacent SUNW_ldynsym/dymsym pair, so we
1538d579eb63Sab196087 * add the number of items in SUNW_ldynsym to the
1539d579eb63Sab196087 * dynsym index.
1540d579eb63Sab196087 */
1541d579eb63Sab196087 ADD_TO_DYNSORT(sdp, sym, ELF_ST_TYPE(sym->st_info),
1542d579eb63Sab196087 ldynsym_cnt + dynsym_ndx);
15437c478bd9Sstevel@tonic-gate }
154408278a5eSRod Evans
15459039eeafSab196087 if (!enter_in_symtab && (!dynsym || (local && !dynlocal))) {
15467c478bd9Sstevel@tonic-gate if (!(sdp->sd_flags & FLG_SY_UPREQD))
15477c478bd9Sstevel@tonic-gate continue;
15487c478bd9Sstevel@tonic-gate sym = sdp->sd_sym;
15497c478bd9Sstevel@tonic-gate } else
15507c478bd9Sstevel@tonic-gate sdp->sd_flags &= ~FLG_SY_CLEAN;
15517c478bd9Sstevel@tonic-gate
15527c478bd9Sstevel@tonic-gate /*
15537c478bd9Sstevel@tonic-gate * If we have a weak data symbol for which we need the real
15547c478bd9Sstevel@tonic-gate * symbol also, save this processing until later.
15557c478bd9Sstevel@tonic-gate *
15567c478bd9Sstevel@tonic-gate * The exception to this is if the weak/strong have PLT's
15577c478bd9Sstevel@tonic-gate * assigned to them. In that case we don't do the post-weak
15587c478bd9Sstevel@tonic-gate * processing because the PLT's must be maintained so that we
15597c478bd9Sstevel@tonic-gate * can do 'interpositioning' on both of the symbols.
15607c478bd9Sstevel@tonic-gate */
15617c478bd9Sstevel@tonic-gate if ((sap->sa_linkndx) &&
15627c478bd9Sstevel@tonic-gate (ELF_ST_BIND(sym->st_info) == STB_WEAK) &&
15637c478bd9Sstevel@tonic-gate (!sap->sa_PLTndx)) {
156457ef7aa9SRod Evans Sym_desc *_sdp;
156557ef7aa9SRod Evans
156657ef7aa9SRod Evans _sdp = sdp->sd_file->ifl_oldndx[sap->sa_linkndx];
15677c478bd9Sstevel@tonic-gate
15687c478bd9Sstevel@tonic-gate if (_sdp->sd_ref != REF_DYN_SEEN) {
156957ef7aa9SRod Evans Wk_desc wk;
15707c478bd9Sstevel@tonic-gate
15719039eeafSab196087 if (enter_in_symtab) {
157257ef7aa9SRod Evans if (local) {
157357ef7aa9SRod Evans wk.wk_symtab =
15747c478bd9Sstevel@tonic-gate &symtab[scopesym_ndx];
15757c478bd9Sstevel@tonic-gate scopesym_ndx++;
157657ef7aa9SRod Evans } else {
157757ef7aa9SRod Evans wk.wk_symtab =
157857ef7aa9SRod Evans &symtab[symtab_ndx];
15797c478bd9Sstevel@tonic-gate symtab_ndx++;
158057ef7aa9SRod Evans }
15813e831575SAli Bahrami } else {
15823e831575SAli Bahrami wk.wk_symtab = NULL;
158357ef7aa9SRod Evans }
15849039eeafSab196087 if (dynsym) {
15859039eeafSab196087 if (!local) {
158657ef7aa9SRod Evans wk.wk_dynsym =
158757ef7aa9SRod Evans &dynsym[dynsym_ndx];
15887c478bd9Sstevel@tonic-gate dynsym_ndx++;
15899039eeafSab196087 } else if (dynlocal) {
159057ef7aa9SRod Evans wk.wk_dynsym =
159157ef7aa9SRod Evans &ldynsym[ldynscopesym_ndx];
15929039eeafSab196087 ldynscopesym_ndx++;
15939039eeafSab196087 }
15943e831575SAli Bahrami } else {
15953e831575SAli Bahrami wk.wk_dynsym = NULL;
15969039eeafSab196087 }
159757ef7aa9SRod Evans wk.wk_weak = sdp;
159857ef7aa9SRod Evans wk.wk_alias = _sdp;
159957ef7aa9SRod Evans
160057ef7aa9SRod Evans if (alist_append(&weak, &wk,
160157ef7aa9SRod Evans sizeof (Wk_desc), AL_CNT_WEAK) == NULL)
160257ef7aa9SRod Evans return ((Addr)S_ERROR);
160357ef7aa9SRod Evans
16047c478bd9Sstevel@tonic-gate continue;
16057c478bd9Sstevel@tonic-gate }
16067c478bd9Sstevel@tonic-gate }
16077c478bd9Sstevel@tonic-gate
16085aefb655Srie DBG_CALL(Dbg_syms_old(ofl, sdp));
16097c478bd9Sstevel@tonic-gate
16107c478bd9Sstevel@tonic-gate spec = NULL;
16117c478bd9Sstevel@tonic-gate /*
16127c478bd9Sstevel@tonic-gate * assign new symbol value.
16137c478bd9Sstevel@tonic-gate */
16147c478bd9Sstevel@tonic-gate sectndx = sdp->sd_shndx;
16157c478bd9Sstevel@tonic-gate if (sectndx == SHN_UNDEF) {
16167c478bd9Sstevel@tonic-gate if (((sdp->sd_flags & FLG_SY_REGSYM) == 0) &&
16177c478bd9Sstevel@tonic-gate (sym->st_value != 0)) {
1618*1007fd6fSAli Bahrami ld_eprintf(ofl, ERR_WARNING,
16195aefb655Srie MSG_INTL(MSG_SYM_NOTNULL),
16207c478bd9Sstevel@tonic-gate demangle(name), sdp->sd_file->ifl_name);
16217c478bd9Sstevel@tonic-gate }
16227c478bd9Sstevel@tonic-gate
16237c478bd9Sstevel@tonic-gate /*
16247c478bd9Sstevel@tonic-gate * Undefined weak global, if we are generating a static
16257c478bd9Sstevel@tonic-gate * executable, output as an absolute zero. Otherwise
16267c478bd9Sstevel@tonic-gate * leave it as is, ld.so.1 will skip symbols of this
16277c478bd9Sstevel@tonic-gate * type (this technique allows applications and
16287c478bd9Sstevel@tonic-gate * libraries to test for the existence of a symbol as an
16297c478bd9Sstevel@tonic-gate * indication of the presence or absence of certain
16307c478bd9Sstevel@tonic-gate * functionality).
16317c478bd9Sstevel@tonic-gate */
1632635216b6SRod Evans if (OFL_IS_STATIC_EXEC(ofl) &&
16337c478bd9Sstevel@tonic-gate (ELF_ST_BIND(sym->st_info) == STB_WEAK)) {
16347c478bd9Sstevel@tonic-gate sdp->sd_flags |= FLG_SY_SPECSEC;
16357c478bd9Sstevel@tonic-gate sdp->sd_shndx = sectndx = SHN_ABS;
16367c478bd9Sstevel@tonic-gate }
16377c478bd9Sstevel@tonic-gate } else if ((sdp->sd_flags & FLG_SY_SPECSEC) &&
16387c478bd9Sstevel@tonic-gate (sectndx == SHN_COMMON)) {
16397c478bd9Sstevel@tonic-gate /* COMMONs have already been processed */
16407c478bd9Sstevel@tonic-gate /* EMPTY */
16417c478bd9Sstevel@tonic-gate ;
16427c478bd9Sstevel@tonic-gate } else {
16437c478bd9Sstevel@tonic-gate if ((sdp->sd_flags & FLG_SY_SPECSEC) &&
16447c478bd9Sstevel@tonic-gate (sectndx == SHN_ABS))
16457c478bd9Sstevel@tonic-gate spec = sdp->sd_aux->sa_symspec;
16467c478bd9Sstevel@tonic-gate
16477c478bd9Sstevel@tonic-gate /* LINTED */
16487c478bd9Sstevel@tonic-gate if (sdp->sd_flags & FLG_SY_COMMEXP) {
16497c478bd9Sstevel@tonic-gate /*
16507c478bd9Sstevel@tonic-gate * This is (or was) a COMMON symbol which was
16517c478bd9Sstevel@tonic-gate * processed above - no processing
16527c478bd9Sstevel@tonic-gate * required here.
16537c478bd9Sstevel@tonic-gate */
16547c478bd9Sstevel@tonic-gate ;
16557c478bd9Sstevel@tonic-gate } else if (sdp->sd_ref == REF_DYN_NEED) {
1656d579eb63Sab196087 uchar_t type, bind;
16577c478bd9Sstevel@tonic-gate
16587c478bd9Sstevel@tonic-gate sectndx = SHN_UNDEF;
16597c478bd9Sstevel@tonic-gate sym->st_value = 0;
16607c478bd9Sstevel@tonic-gate sym->st_size = 0;
16617c478bd9Sstevel@tonic-gate
16627c478bd9Sstevel@tonic-gate /*
16637c478bd9Sstevel@tonic-gate * Make sure this undefined symbol is returned
16647c478bd9Sstevel@tonic-gate * to the same binding as was defined in the
16657c478bd9Sstevel@tonic-gate * original relocatable object reference.
16667c478bd9Sstevel@tonic-gate */
16677c478bd9Sstevel@tonic-gate type = ELF_ST_TYPE(sym-> st_info);
16687c478bd9Sstevel@tonic-gate if (sdp->sd_flags & FLG_SY_GLOBREF)
16697c478bd9Sstevel@tonic-gate bind = STB_GLOBAL;
16707c478bd9Sstevel@tonic-gate else
16717c478bd9Sstevel@tonic-gate bind = STB_WEAK;
16727c478bd9Sstevel@tonic-gate
16737c478bd9Sstevel@tonic-gate sym->st_info = ELF_ST_INFO(bind, type);
16747c478bd9Sstevel@tonic-gate
16757c478bd9Sstevel@tonic-gate } else if (((sdp->sd_flags & FLG_SY_SPECSEC) == 0) &&
16767c478bd9Sstevel@tonic-gate (sdp->sd_ref == REF_REL_NEED)) {
16777c478bd9Sstevel@tonic-gate osp = sdp->sd_isc->is_osdesc;
16787c478bd9Sstevel@tonic-gate /* LINTED */
16797c478bd9Sstevel@tonic-gate sectndx = elf_ndxscn(osp->os_scn);
16807c478bd9Sstevel@tonic-gate
16817c478bd9Sstevel@tonic-gate /*
16827c478bd9Sstevel@tonic-gate * In an executable, the new symbol value is the
16837c478bd9Sstevel@tonic-gate * old value (offset into defining section) plus
16847c478bd9Sstevel@tonic-gate * virtual address of defining section. In a
16857c478bd9Sstevel@tonic-gate * relocatable, the new value is the old value
16867c478bd9Sstevel@tonic-gate * plus the displacement of the section within
16877c478bd9Sstevel@tonic-gate * the file.
16887c478bd9Sstevel@tonic-gate */
16897c478bd9Sstevel@tonic-gate /* LINTED */
16907c478bd9Sstevel@tonic-gate sym->st_value +=
16917c478bd9Sstevel@tonic-gate (Off)_elf_getxoff(sdp->sd_isc->is_indata);
16927c478bd9Sstevel@tonic-gate
16937c478bd9Sstevel@tonic-gate if (!(flags & FLG_OF_RELOBJ)) {
16947c478bd9Sstevel@tonic-gate sym->st_value += osp->os_shdr->sh_addr;
16957c478bd9Sstevel@tonic-gate /*
16967c478bd9Sstevel@tonic-gate * TLS symbols are relative to
16977c478bd9Sstevel@tonic-gate * the TLS segment.
16987c478bd9Sstevel@tonic-gate */
16997c478bd9Sstevel@tonic-gate if ((ELF_ST_TYPE(sym->st_info) ==
17007c478bd9Sstevel@tonic-gate STT_TLS) && (ofl->ofl_tlsphdr))
17017c478bd9Sstevel@tonic-gate sym->st_value -=
17027c478bd9Sstevel@tonic-gate ofl->ofl_tlsphdr->p_vaddr;
17037c478bd9Sstevel@tonic-gate }
17047c478bd9Sstevel@tonic-gate }
17057c478bd9Sstevel@tonic-gate }
17067c478bd9Sstevel@tonic-gate
17077c478bd9Sstevel@tonic-gate if (spec) {
17087c478bd9Sstevel@tonic-gate switch (spec) {
17097c478bd9Sstevel@tonic-gate case SDAUX_ID_ETEXT:
17107c478bd9Sstevel@tonic-gate sym->st_value = etext;
17117c478bd9Sstevel@tonic-gate sectndx = etext_ndx;
17127c478bd9Sstevel@tonic-gate if (etext_abs)
17137c478bd9Sstevel@tonic-gate sdp->sd_flags |= FLG_SY_SPECSEC;
17147c478bd9Sstevel@tonic-gate else
17157c478bd9Sstevel@tonic-gate sdp->sd_flags &= ~FLG_SY_SPECSEC;
17167c478bd9Sstevel@tonic-gate break;
17177c478bd9Sstevel@tonic-gate case SDAUX_ID_EDATA:
17187c478bd9Sstevel@tonic-gate sym->st_value = edata;
17197c478bd9Sstevel@tonic-gate sectndx = edata_ndx;
17207c478bd9Sstevel@tonic-gate if (edata_abs)
17217c478bd9Sstevel@tonic-gate sdp->sd_flags |= FLG_SY_SPECSEC;
17227c478bd9Sstevel@tonic-gate else
17237c478bd9Sstevel@tonic-gate sdp->sd_flags &= ~FLG_SY_SPECSEC;
17247c478bd9Sstevel@tonic-gate break;
17257c478bd9Sstevel@tonic-gate case SDAUX_ID_END:
17267c478bd9Sstevel@tonic-gate sym->st_value = end;
17277c478bd9Sstevel@tonic-gate sectndx = end_ndx;
17287c478bd9Sstevel@tonic-gate if (end_abs)
17297c478bd9Sstevel@tonic-gate sdp->sd_flags |= FLG_SY_SPECSEC;
17307c478bd9Sstevel@tonic-gate else
17317c478bd9Sstevel@tonic-gate sdp->sd_flags &= ~FLG_SY_SPECSEC;
17327c478bd9Sstevel@tonic-gate break;
17337c478bd9Sstevel@tonic-gate case SDAUX_ID_START:
17347c478bd9Sstevel@tonic-gate sym->st_value = start;
17357c478bd9Sstevel@tonic-gate sectndx = start_ndx;
17367c478bd9Sstevel@tonic-gate sdp->sd_flags &= ~FLG_SY_SPECSEC;
17377c478bd9Sstevel@tonic-gate break;
17387c478bd9Sstevel@tonic-gate case SDAUX_ID_DYN:
17397c478bd9Sstevel@tonic-gate if (flags & FLG_OF_DYNAMIC) {
17407c478bd9Sstevel@tonic-gate sym->st_value = ofl->
17417c478bd9Sstevel@tonic-gate ofl_osdynamic->os_shdr->sh_addr;
17427c478bd9Sstevel@tonic-gate /* LINTED */
17437c478bd9Sstevel@tonic-gate sectndx = elf_ndxscn(
17447c478bd9Sstevel@tonic-gate ofl->ofl_osdynamic->os_scn);
17457c478bd9Sstevel@tonic-gate sdp->sd_flags &= ~FLG_SY_SPECSEC;
17467c478bd9Sstevel@tonic-gate }
17477c478bd9Sstevel@tonic-gate break;
17487c478bd9Sstevel@tonic-gate case SDAUX_ID_PLT:
17497c478bd9Sstevel@tonic-gate if (ofl->ofl_osplt) {
17507c478bd9Sstevel@tonic-gate sym->st_value = ofl->
17517c478bd9Sstevel@tonic-gate ofl_osplt->os_shdr->sh_addr;
17527c478bd9Sstevel@tonic-gate /* LINTED */
17537c478bd9Sstevel@tonic-gate sectndx = elf_ndxscn(
17547c478bd9Sstevel@tonic-gate ofl->ofl_osplt->os_scn);
17557c478bd9Sstevel@tonic-gate sdp->sd_flags &= ~FLG_SY_SPECSEC;
17567c478bd9Sstevel@tonic-gate }
17577c478bd9Sstevel@tonic-gate break;
17587c478bd9Sstevel@tonic-gate case SDAUX_ID_GOT:
17597c478bd9Sstevel@tonic-gate /*
17607c478bd9Sstevel@tonic-gate * Symbol bias for negative growing tables is
17617c478bd9Sstevel@tonic-gate * stored in symbol's value during
17627c478bd9Sstevel@tonic-gate * allocate_got().
17637c478bd9Sstevel@tonic-gate */
17647c478bd9Sstevel@tonic-gate sym->st_value += ofl->
17657c478bd9Sstevel@tonic-gate ofl_osgot->os_shdr->sh_addr;
17667c478bd9Sstevel@tonic-gate /* LINTED */
17677c478bd9Sstevel@tonic-gate sectndx = elf_ndxscn(ofl->
17687c478bd9Sstevel@tonic-gate ofl_osgot->os_scn);
17697c478bd9Sstevel@tonic-gate sdp->sd_flags &= ~FLG_SY_SPECSEC;
17707c478bd9Sstevel@tonic-gate break;
17717c478bd9Sstevel@tonic-gate default:
17727c478bd9Sstevel@tonic-gate /* NOTHING */
17737c478bd9Sstevel@tonic-gate ;
17747c478bd9Sstevel@tonic-gate }
17757c478bd9Sstevel@tonic-gate }
17767c478bd9Sstevel@tonic-gate
17777c478bd9Sstevel@tonic-gate /*
17787c478bd9Sstevel@tonic-gate * If a plt index has been assigned to an undefined function,
17797c478bd9Sstevel@tonic-gate * update the symbols value to the appropriate .plt address.
17807c478bd9Sstevel@tonic-gate */
17817c478bd9Sstevel@tonic-gate if ((flags & FLG_OF_DYNAMIC) && (flags & FLG_OF_EXEC) &&
17827c478bd9Sstevel@tonic-gate (sdp->sd_file) &&
17837c478bd9Sstevel@tonic-gate (sdp->sd_file->ifl_ehdr->e_type == ET_DYN) &&
17847c478bd9Sstevel@tonic-gate (ELF_ST_TYPE(sym->st_info) == STT_FUNC) &&
17857c478bd9Sstevel@tonic-gate !(flags & FLG_OF_BFLAG)) {
17867c478bd9Sstevel@tonic-gate if (sap->sa_PLTndx)
1787ba2be530Sab196087 sym->st_value =
1788ba2be530Sab196087 (*ld_targ.t_mr.mr_calc_plt_addr)(sdp, ofl);
17897c478bd9Sstevel@tonic-gate }
17907c478bd9Sstevel@tonic-gate
17917c478bd9Sstevel@tonic-gate /*
17927c478bd9Sstevel@tonic-gate * Finish updating the symbols.
17937c478bd9Sstevel@tonic-gate */
17947c478bd9Sstevel@tonic-gate
17957c478bd9Sstevel@tonic-gate /*
17967c478bd9Sstevel@tonic-gate * Sym Update: if scoped local - set local binding
17977c478bd9Sstevel@tonic-gate */
17987c478bd9Sstevel@tonic-gate if (local)
17997c478bd9Sstevel@tonic-gate sym->st_info = ELF_ST_INFO(STB_LOCAL,
18007c478bd9Sstevel@tonic-gate ELF_ST_TYPE(sym->st_info));
18017c478bd9Sstevel@tonic-gate
18027c478bd9Sstevel@tonic-gate /*
18037c478bd9Sstevel@tonic-gate * Sym Updated: If both the .symtab and .dynsym
18047c478bd9Sstevel@tonic-gate * are present then we've actually updated the information in
18057c478bd9Sstevel@tonic-gate * the .dynsym, therefore copy this same information to the
18067c478bd9Sstevel@tonic-gate * .symtab entry.
18077c478bd9Sstevel@tonic-gate */
18087c478bd9Sstevel@tonic-gate sdp->sd_shndx = sectndx;
18099039eeafSab196087 if (enter_in_symtab && dynsym && (!local || dynlocal)) {
18109039eeafSab196087 Word _symndx = dynlocal ? scopesym_ndx : symtab_ndx;
18119039eeafSab196087
18129039eeafSab196087 symtab[_symndx].st_value = sym->st_value;
18139039eeafSab196087 symtab[_symndx].st_size = sym->st_size;
18149039eeafSab196087 symtab[_symndx].st_info = sym->st_info;
18159039eeafSab196087 symtab[_symndx].st_other = sym->st_other;
18167c478bd9Sstevel@tonic-gate }
18177c478bd9Sstevel@tonic-gate
18187c478bd9Sstevel@tonic-gate if (enter_in_symtab) {
18197c478bd9Sstevel@tonic-gate Word _symndx;
18207c478bd9Sstevel@tonic-gate
18217c478bd9Sstevel@tonic-gate if (local)
18227c478bd9Sstevel@tonic-gate _symndx = scopesym_ndx++;
18237c478bd9Sstevel@tonic-gate else
18247c478bd9Sstevel@tonic-gate _symndx = symtab_ndx++;
18257c478bd9Sstevel@tonic-gate if (((sdp->sd_flags & FLG_SY_SPECSEC) == 0) &&
18267c478bd9Sstevel@tonic-gate (sectndx >= SHN_LORESERVE)) {
182757ef7aa9SRod Evans assert(symshndx != NULL);
18287c478bd9Sstevel@tonic-gate symshndx[_symndx] = sectndx;
18297c478bd9Sstevel@tonic-gate symtab[_symndx].st_shndx = SHN_XINDEX;
18307c478bd9Sstevel@tonic-gate } else {
18317c478bd9Sstevel@tonic-gate /* LINTED */
18327c478bd9Sstevel@tonic-gate symtab[_symndx].st_shndx = (Half)sectndx;
18337c478bd9Sstevel@tonic-gate }
18347c478bd9Sstevel@tonic-gate }
18357c478bd9Sstevel@tonic-gate
18369039eeafSab196087 if (dynsym && (!local || dynlocal)) {
18379039eeafSab196087 /*
18389039eeafSab196087 * dynsym and ldynsym are distinct tables, so
18399039eeafSab196087 * we use indirection to access the right one
18409039eeafSab196087 * and the related extended section index array.
18419039eeafSab196087 */
18429039eeafSab196087 Word _symndx;
18439039eeafSab196087 Sym *_dynsym;
18449039eeafSab196087 Word *_dynshndx;
18459039eeafSab196087
18469039eeafSab196087 if (!local) {
18479039eeafSab196087 _symndx = dynsym_ndx++;
18489039eeafSab196087 _dynsym = dynsym;
18499039eeafSab196087 _dynshndx = dynshndx;
18509039eeafSab196087 } else {
18519039eeafSab196087 _symndx = ldynscopesym_ndx++;
18529039eeafSab196087 _dynsym = ldynsym;
18539039eeafSab196087 _dynshndx = ldynshndx;
18549039eeafSab196087 }
18557c478bd9Sstevel@tonic-gate if (((sdp->sd_flags & FLG_SY_SPECSEC) == 0) &&
18567c478bd9Sstevel@tonic-gate (sectndx >= SHN_LORESERVE)) {
185757ef7aa9SRod Evans assert(_dynshndx != NULL);
18589039eeafSab196087 _dynshndx[_symndx] = sectndx;
18599039eeafSab196087 _dynsym[_symndx].st_shndx = SHN_XINDEX;
18607c478bd9Sstevel@tonic-gate } else {
18617c478bd9Sstevel@tonic-gate /* LINTED */
18629039eeafSab196087 _dynsym[_symndx].st_shndx = (Half)sectndx;
18637c478bd9Sstevel@tonic-gate }
18647c478bd9Sstevel@tonic-gate }
18657c478bd9Sstevel@tonic-gate
18665aefb655Srie DBG_CALL(Dbg_syms_new(ofl, sym, sdp));
18677c478bd9Sstevel@tonic-gate }
18687c478bd9Sstevel@tonic-gate
18697c478bd9Sstevel@tonic-gate /*
18707c478bd9Sstevel@tonic-gate * Now that all the symbols have been processed update any weak symbols
18717c478bd9Sstevel@tonic-gate * information (ie. copy all information except `st_name'). As both
18727c478bd9Sstevel@tonic-gate * symbols will be represented in the output, return the weak symbol to
18737c478bd9Sstevel@tonic-gate * its correct type.
18747c478bd9Sstevel@tonic-gate */
187557ef7aa9SRod Evans for (ALIST_TRAVERSE(weak, idx1, wkp)) {
18767c478bd9Sstevel@tonic-gate Sym_desc *sdp, *_sdp;
18777c478bd9Sstevel@tonic-gate Sym *sym, *_sym, *__sym;
1878d579eb63Sab196087 uchar_t bind;
18797c478bd9Sstevel@tonic-gate
18807c478bd9Sstevel@tonic-gate sdp = wkp->wk_weak;
18817c478bd9Sstevel@tonic-gate _sdp = wkp->wk_alias;
18823e831575SAli Bahrami _sym = __sym = _sdp->sd_sym;
18837c478bd9Sstevel@tonic-gate
18847c478bd9Sstevel@tonic-gate sdp->sd_flags |= FLG_SY_WEAKDEF;
18857c478bd9Sstevel@tonic-gate
18867c478bd9Sstevel@tonic-gate /*
18877c478bd9Sstevel@tonic-gate * If the symbol definition has been scoped then assign it to
18887c478bd9Sstevel@tonic-gate * be local, otherwise if it's from a shared object then we need
18897c478bd9Sstevel@tonic-gate * to maintain the binding of the original reference.
18907c478bd9Sstevel@tonic-gate */
189108278a5eSRod Evans if (SYM_IS_HIDDEN(sdp)) {
18927c478bd9Sstevel@tonic-gate if (flags & FLG_OF_PROCRED)
18937c478bd9Sstevel@tonic-gate bind = STB_LOCAL;
18947c478bd9Sstevel@tonic-gate else
18957c478bd9Sstevel@tonic-gate bind = STB_WEAK;
18967c478bd9Sstevel@tonic-gate } else if ((sdp->sd_ref == REF_DYN_NEED) &&
18977c478bd9Sstevel@tonic-gate (sdp->sd_flags & FLG_SY_GLOBREF))
18987c478bd9Sstevel@tonic-gate bind = STB_GLOBAL;
18997c478bd9Sstevel@tonic-gate else
19007c478bd9Sstevel@tonic-gate bind = STB_WEAK;
19017c478bd9Sstevel@tonic-gate
19025aefb655Srie DBG_CALL(Dbg_syms_old(ofl, sdp));
19033e831575SAli Bahrami if ((sym = wkp->wk_symtab) != NULL) {
19047c478bd9Sstevel@tonic-gate sym->st_value = _sym->st_value;
19057c478bd9Sstevel@tonic-gate sym->st_size = _sym->st_size;
19067c478bd9Sstevel@tonic-gate sym->st_other = _sym->st_other;
19077c478bd9Sstevel@tonic-gate sym->st_shndx = _sym->st_shndx;
19087c478bd9Sstevel@tonic-gate sym->st_info = ELF_ST_INFO(bind,
19097c478bd9Sstevel@tonic-gate ELF_ST_TYPE(sym->st_info));
19107c478bd9Sstevel@tonic-gate __sym = sym;
19117c478bd9Sstevel@tonic-gate }
19123e831575SAli Bahrami if ((sym = wkp->wk_dynsym) != NULL) {
19137c478bd9Sstevel@tonic-gate sym->st_value = _sym->st_value;
19147c478bd9Sstevel@tonic-gate sym->st_size = _sym->st_size;
19157c478bd9Sstevel@tonic-gate sym->st_other = _sym->st_other;
19167c478bd9Sstevel@tonic-gate sym->st_shndx = _sym->st_shndx;
19177c478bd9Sstevel@tonic-gate sym->st_info = ELF_ST_INFO(bind,
19187c478bd9Sstevel@tonic-gate ELF_ST_TYPE(sym->st_info));
19197c478bd9Sstevel@tonic-gate __sym = sym;
19207c478bd9Sstevel@tonic-gate }
19215aefb655Srie DBG_CALL(Dbg_syms_new(ofl, __sym, sdp));
19227c478bd9Sstevel@tonic-gate }
19237c478bd9Sstevel@tonic-gate
19247c478bd9Sstevel@tonic-gate /*
19255aefb655Srie * Now display GOT debugging information if required.
19267c478bd9Sstevel@tonic-gate */
1927ba2be530Sab196087 DBG_CALL(Dbg_got_display(ofl, 0, 0,
1928ba2be530Sab196087 ld_targ.t_m.m_got_xnumber, ld_targ.t_m.m_got_entsize));
19297c478bd9Sstevel@tonic-gate
19307c478bd9Sstevel@tonic-gate /*
19319039eeafSab196087 * Update the section headers information. sh_info is
19329039eeafSab196087 * supposed to contain the offset at which the first
19339039eeafSab196087 * global symbol resides in the symbol table, while
19349039eeafSab196087 * sh_link contains the section index of the associated
19359039eeafSab196087 * string table.
19367c478bd9Sstevel@tonic-gate */
19377c478bd9Sstevel@tonic-gate if (symtab) {
19387c478bd9Sstevel@tonic-gate Shdr *shdr = ofl->ofl_ossymtab->os_shdr;
19397c478bd9Sstevel@tonic-gate
1940ca4eed8bSAli Bahrami shdr->sh_info = symtab_gbl_bndx;
19417c478bd9Sstevel@tonic-gate /* LINTED */
19427c478bd9Sstevel@tonic-gate shdr->sh_link = (Word)elf_ndxscn(ofl->ofl_osstrtab->os_scn);
1943e64d0ff9SAli Bahrami if (symshndx)
1944e64d0ff9SAli Bahrami ofl->ofl_ossymshndx->os_shdr->sh_link =
19457c478bd9Sstevel@tonic-gate (Word)elf_ndxscn(ofl->ofl_ossymtab->os_scn);
1946ca4eed8bSAli Bahrami
1947ca4eed8bSAli Bahrami /*
1948ca4eed8bSAli Bahrami * Ensure that the expected number of symbols
1949ca4eed8bSAli Bahrami * were entered into the right spots:
1950ca4eed8bSAli Bahrami * - Scoped symbols in the right range
1951ca4eed8bSAli Bahrami * - Globals start at the right spot
1952ca4eed8bSAli Bahrami * (correct number of locals entered)
1953ca4eed8bSAli Bahrami * - The table is exactly filled
1954ca4eed8bSAli Bahrami * (correct number of globals entered)
1955ca4eed8bSAli Bahrami */
1956ca4eed8bSAli Bahrami assert((scopesym_bndx + ofl->ofl_scopecnt) == scopesym_ndx);
1957635216b6SRod Evans assert(shdr->sh_info == SYMTAB_LOC_CNT(ofl));
1958ca4eed8bSAli Bahrami assert((shdr->sh_info + ofl->ofl_globcnt) == symtab_ndx);
19597c478bd9Sstevel@tonic-gate }
19607c478bd9Sstevel@tonic-gate if (dynsym) {
19617c478bd9Sstevel@tonic-gate Shdr *shdr = ofl->ofl_osdynsym->os_shdr;
19627c478bd9Sstevel@tonic-gate
1963635216b6SRod Evans shdr->sh_info = DYNSYM_LOC_CNT(ofl);
19647c478bd9Sstevel@tonic-gate /* LINTED */
19657c478bd9Sstevel@tonic-gate shdr->sh_link = (Word)elf_ndxscn(ofl->ofl_osdynstr->os_scn);
19667c478bd9Sstevel@tonic-gate
19677c478bd9Sstevel@tonic-gate ofl->ofl_oshash->os_shdr->sh_link =
19687c478bd9Sstevel@tonic-gate /* LINTED */
19697c478bd9Sstevel@tonic-gate (Word)elf_ndxscn(ofl->ofl_osdynsym->os_scn);
19707c478bd9Sstevel@tonic-gate if (dynshndx) {
19717c478bd9Sstevel@tonic-gate shdr = ofl->ofl_osdynshndx->os_shdr;
19727c478bd9Sstevel@tonic-gate shdr->sh_link =
19737c478bd9Sstevel@tonic-gate (Word)elf_ndxscn(ofl->ofl_osdynsym->os_scn);
19747c478bd9Sstevel@tonic-gate }
19757c478bd9Sstevel@tonic-gate }
19769039eeafSab196087 if (ldynsym) {
19779039eeafSab196087 Shdr *shdr = ofl->ofl_osldynsym->os_shdr;
19789039eeafSab196087
19799039eeafSab196087 /* ldynsym has no globals, so give index one past the end */
19809039eeafSab196087 shdr->sh_info = ldynsym_ndx;
19819039eeafSab196087
19829039eeafSab196087 /*
19839039eeafSab196087 * The ldynsym and dynsym must be adjacent. The
19849039eeafSab196087 * idea is that rtld should be able to start with
19859039eeafSab196087 * the ldynsym and march straight through the end
19869039eeafSab196087 * of dynsym, seeing them as a single symbol table,
19879039eeafSab196087 * despite the fact that they are in distinct sections.
19889039eeafSab196087 * Ensure that this happened correctly.
19899039eeafSab196087 *
19909039eeafSab196087 * Note that I use ldynsym_ndx here instead of the
19919039eeafSab196087 * computation I used to set the section size
1992d579eb63Sab196087 * (found in ldynsym_cnt). The two will agree, unless
1993d579eb63Sab196087 * we somehow miscounted symbols or failed to insert them
1994d579eb63Sab196087 * all. Using ldynsym_ndx here catches that error in
1995d579eb63Sab196087 * addition to checking for adjacency.
19969039eeafSab196087 */
19979039eeafSab196087 assert(dynsym == (ldynsym + ldynsym_ndx));
19989039eeafSab196087
19999039eeafSab196087
20009039eeafSab196087 /* LINTED */
20019039eeafSab196087 shdr->sh_link = (Word)elf_ndxscn(ofl->ofl_osdynstr->os_scn);
20029039eeafSab196087
20039039eeafSab196087 if (ldynshndx) {
20049039eeafSab196087 shdr = ofl->ofl_osldynshndx->os_shdr;
20059039eeafSab196087 shdr->sh_link =
20069039eeafSab196087 (Word)elf_ndxscn(ofl->ofl_osldynsym->os_scn);
20079039eeafSab196087 }
2008d579eb63Sab196087
2009d579eb63Sab196087 /*
2010d579eb63Sab196087 * The presence of .SUNW_ldynsym means that there may be
2011d579eb63Sab196087 * associated sort sections, one for regular symbols
2012d579eb63Sab196087 * and the other for TLS. Each sort section needs the
2013d579eb63Sab196087 * following done:
2014d579eb63Sab196087 * - Section header link references .SUNW_ldynsym
2015d579eb63Sab196087 * - Should have received the expected # of items
2016d579eb63Sab196087 * - Sorted by increasing address
2017d579eb63Sab196087 */
2018d579eb63Sab196087 if (ofl->ofl_osdynsymsort) { /* .SUNW_dynsymsort */
2019d579eb63Sab196087 ofl->ofl_osdynsymsort->os_shdr->sh_link =
2020d579eb63Sab196087 (Word)elf_ndxscn(ofl->ofl_osldynsym->os_scn);
2021d579eb63Sab196087 assert(ofl->ofl_dynsymsortcnt == dynsymsort_ndx);
202260758829Srie
2023d579eb63Sab196087 if (dynsymsort_ndx > 1) {
2024d579eb63Sab196087 dynsort_compare_syms = ldynsym;
2025d579eb63Sab196087 qsort(dynsymsort, dynsymsort_ndx,
2026d579eb63Sab196087 sizeof (*dynsymsort), dynsort_compare);
2027a194faf8Srie dynsort_dupwarn(ofl, ldynsym,
2028a194faf8Srie st_getstrbuf(dynstr),
2029d579eb63Sab196087 dynsymsort, dynsymsort_ndx,
2030d579eb63Sab196087 MSG_ORIG(MSG_SCN_DYNSYMSORT));
2031d579eb63Sab196087 }
2032d579eb63Sab196087 }
2033d579eb63Sab196087 if (ofl->ofl_osdyntlssort) { /* .SUNW_dyntlssort */
2034d579eb63Sab196087 ofl->ofl_osdyntlssort->os_shdr->sh_link =
2035d579eb63Sab196087 (Word)elf_ndxscn(ofl->ofl_osldynsym->os_scn);
2036d579eb63Sab196087 assert(ofl->ofl_dyntlssortcnt == dyntlssort_ndx);
203760758829Srie
2038d579eb63Sab196087 if (dyntlssort_ndx > 1) {
2039d579eb63Sab196087 dynsort_compare_syms = ldynsym;
2040d579eb63Sab196087 qsort(dyntlssort, dyntlssort_ndx,
2041d579eb63Sab196087 sizeof (*dyntlssort), dynsort_compare);
2042a194faf8Srie dynsort_dupwarn(ofl, ldynsym,
2043a194faf8Srie st_getstrbuf(dynstr),
2044d579eb63Sab196087 dyntlssort, dyntlssort_ndx,
2045d579eb63Sab196087 MSG_ORIG(MSG_SCN_DYNTLSSORT));
2046d579eb63Sab196087 }
2047d579eb63Sab196087 }
20489039eeafSab196087 }
20497c478bd9Sstevel@tonic-gate
20507c478bd9Sstevel@tonic-gate /*
20517c478bd9Sstevel@tonic-gate * Used by ld.so.1 only.
20527c478bd9Sstevel@tonic-gate */
20537c478bd9Sstevel@tonic-gate return (etext);
2054d579eb63Sab196087
2055d579eb63Sab196087 #undef ADD_TO_DYNSORT
20567c478bd9Sstevel@tonic-gate }
20577c478bd9Sstevel@tonic-gate
20587c478bd9Sstevel@tonic-gate /*
20597c478bd9Sstevel@tonic-gate * Build the dynamic section.
20601d9df23bSab196087 *
20611d9df23bSab196087 * This routine must be maintained in parallel with make_dynamic()
20621d9df23bSab196087 * in sections.c
20637c478bd9Sstevel@tonic-gate */
20645aefb655Srie static int
update_odynamic(Ofl_desc * ofl)20657c478bd9Sstevel@tonic-gate update_odynamic(Ofl_desc *ofl)
20667c478bd9Sstevel@tonic-gate {
206757ef7aa9SRod Evans Aliste idx;
20687c478bd9Sstevel@tonic-gate Ifl_desc *ifl;
20697c478bd9Sstevel@tonic-gate Sym_desc *sdp;
20707c478bd9Sstevel@tonic-gate Shdr *shdr;
20717c478bd9Sstevel@tonic-gate Dyn *_dyn = (Dyn *)ofl->ofl_osdynamic->os_outdata->d_buf;
20727c478bd9Sstevel@tonic-gate Dyn *dyn;
2073635216b6SRod Evans Os_desc *symosp, *strosp;
2074635216b6SRod Evans Str_tbl *strtbl;
2075cce0e03bSab196087 size_t stoff;
20761d9df23bSab196087 ofl_flag_t flags = ofl->ofl_flags;
20771d9df23bSab196087 int not_relobj = !(flags & FLG_OF_RELOBJ);
20783244bcaaSab196087 Word cnt;
20797c478bd9Sstevel@tonic-gate
20801d9df23bSab196087 /*
2081635216b6SRod Evans * Relocatable objects can be built with -r and -dy to trigger the
2082635216b6SRod Evans * creation of a .dynamic section. This model is used to create kernel
2083635216b6SRod Evans * device drivers. The .dynamic section provides a subset of userland
2084635216b6SRod Evans * .dynamic entries, typically entries such as DT_NEEDED and DT_RUNPATH.
20851d9df23bSab196087 *
2086635216b6SRod Evans * Within a dynamic object, any .dynamic string references are to the
2087635216b6SRod Evans * .dynstr table. Within a relocatable object, these strings can reside
2088635216b6SRod Evans * within the .strtab.
20891d9df23bSab196087 */
2090635216b6SRod Evans if (OFL_IS_STATIC_OBJ(ofl)) {
2091635216b6SRod Evans symosp = ofl->ofl_ossymtab;
2092635216b6SRod Evans strosp = ofl->ofl_osstrtab;
2093635216b6SRod Evans strtbl = ofl->ofl_strtab;
2094635216b6SRod Evans } else {
2095635216b6SRod Evans symosp = ofl->ofl_osdynsym;
2096635216b6SRod Evans strosp = ofl->ofl_osdynstr;
2097635216b6SRod Evans strtbl = ofl->ofl_dynstrtab;
2098635216b6SRod Evans }
2099635216b6SRod Evans
21007c478bd9Sstevel@tonic-gate /* LINTED */
2101635216b6SRod Evans ofl->ofl_osdynamic->os_shdr->sh_link = (Word)elf_ndxscn(strosp->os_scn);
21027c478bd9Sstevel@tonic-gate
21037c478bd9Sstevel@tonic-gate dyn = _dyn;
21047c478bd9Sstevel@tonic-gate
210557ef7aa9SRod Evans for (APLIST_TRAVERSE(ofl->ofl_sos, idx, ifl)) {
21067c478bd9Sstevel@tonic-gate if ((ifl->ifl_flags &
21077c478bd9Sstevel@tonic-gate (FLG_IF_IGNORE | FLG_IF_DEPREQD)) == FLG_IF_IGNORE)
21087c478bd9Sstevel@tonic-gate continue;
21097c478bd9Sstevel@tonic-gate
21107c478bd9Sstevel@tonic-gate /*
21117c478bd9Sstevel@tonic-gate * Create and set up the DT_POSFLAG_1 entry here if required.
21127c478bd9Sstevel@tonic-gate */
2113f441771bSRod Evans if ((ifl->ifl_flags & MSK_IF_POSFLAG1) &&
2114f441771bSRod Evans (ifl->ifl_flags & FLG_IF_NEEDED) && not_relobj) {
21157c478bd9Sstevel@tonic-gate dyn->d_tag = DT_POSFLAG_1;
21167c478bd9Sstevel@tonic-gate if (ifl->ifl_flags & FLG_IF_LAZYLD)
21177c478bd9Sstevel@tonic-gate dyn->d_un.d_val = DF_P1_LAZYLOAD;
21187c478bd9Sstevel@tonic-gate if (ifl->ifl_flags & FLG_IF_GRPPRM)
21197c478bd9Sstevel@tonic-gate dyn->d_un.d_val |= DF_P1_GROUPPERM;
2120f441771bSRod Evans if (ifl->ifl_flags & FLG_IF_DEFERRED)
2121f441771bSRod Evans dyn->d_un.d_val |= DF_P1_DEFERRED;
21227c478bd9Sstevel@tonic-gate dyn++;
21237c478bd9Sstevel@tonic-gate }
21247c478bd9Sstevel@tonic-gate
21257c478bd9Sstevel@tonic-gate if (ifl->ifl_flags & (FLG_IF_NEEDED | FLG_IF_NEEDSTR))
21267c478bd9Sstevel@tonic-gate dyn->d_tag = DT_NEEDED;
21277c478bd9Sstevel@tonic-gate else
21287c478bd9Sstevel@tonic-gate continue;
21297c478bd9Sstevel@tonic-gate
2130635216b6SRod Evans (void) st_setstring(strtbl, ifl->ifl_soname, &stoff);
21317c478bd9Sstevel@tonic-gate dyn->d_un.d_val = stoff;
21327c478bd9Sstevel@tonic-gate /* LINTED */
21337c478bd9Sstevel@tonic-gate ifl->ifl_neededndx = (Half)(((uintptr_t)dyn - (uintptr_t)_dyn) /
21347c478bd9Sstevel@tonic-gate sizeof (Dyn));
21357c478bd9Sstevel@tonic-gate dyn++;
21367c478bd9Sstevel@tonic-gate }
21377c478bd9Sstevel@tonic-gate
21381d9df23bSab196087 if (not_relobj) {
2139cce0e03bSab196087 if (ofl->ofl_dtsfltrs != NULL) {
21407c478bd9Sstevel@tonic-gate Dfltr_desc *dftp;
21417c478bd9Sstevel@tonic-gate
2142cce0e03bSab196087 for (ALIST_TRAVERSE(ofl->ofl_dtsfltrs, idx, dftp)) {
21437c478bd9Sstevel@tonic-gate if (dftp->dft_flag == FLG_SY_AUXFLTR)
21447c478bd9Sstevel@tonic-gate dyn->d_tag = DT_SUNW_AUXILIARY;
21457c478bd9Sstevel@tonic-gate else
21467c478bd9Sstevel@tonic-gate dyn->d_tag = DT_SUNW_FILTER;
21477c478bd9Sstevel@tonic-gate
2148635216b6SRod Evans (void) st_setstring(strtbl, dftp->dft_str,
21491d9df23bSab196087 &stoff);
21507c478bd9Sstevel@tonic-gate dyn->d_un.d_val = stoff;
21517c478bd9Sstevel@tonic-gate dftp->dft_ndx = (Half)(((uintptr_t)dyn -
21527c478bd9Sstevel@tonic-gate (uintptr_t)_dyn) / sizeof (Dyn));
21537c478bd9Sstevel@tonic-gate dyn++;
21547c478bd9Sstevel@tonic-gate }
21557c478bd9Sstevel@tonic-gate }
21565aefb655Srie if (((sdp = ld_sym_find(MSG_ORIG(MSG_SYM_INIT_U),
21571d9df23bSab196087 SYM_NOHASH, 0, ofl)) != NULL) &&
21581d9df23bSab196087 (sdp->sd_ref == REF_REL_NEED) &&
21595b59e4caSab196087 (sdp->sd_sym->st_shndx != SHN_UNDEF)) {
21607c478bd9Sstevel@tonic-gate dyn->d_tag = DT_INIT;
21617c478bd9Sstevel@tonic-gate dyn->d_un.d_ptr = sdp->sd_sym->st_value;
21627c478bd9Sstevel@tonic-gate dyn++;
21637c478bd9Sstevel@tonic-gate }
21645aefb655Srie if (((sdp = ld_sym_find(MSG_ORIG(MSG_SYM_FINI_U),
21651d9df23bSab196087 SYM_NOHASH, 0, ofl)) != NULL) &&
21661d9df23bSab196087 (sdp->sd_ref == REF_REL_NEED) &&
21675b59e4caSab196087 (sdp->sd_sym->st_shndx != SHN_UNDEF)) {
21687c478bd9Sstevel@tonic-gate dyn->d_tag = DT_FINI;
21697c478bd9Sstevel@tonic-gate dyn->d_un.d_ptr = sdp->sd_sym->st_value;
21707c478bd9Sstevel@tonic-gate dyn++;
21717c478bd9Sstevel@tonic-gate }
21727c478bd9Sstevel@tonic-gate if (ofl->ofl_soname) {
21737c478bd9Sstevel@tonic-gate dyn->d_tag = DT_SONAME;
2174635216b6SRod Evans (void) st_setstring(strtbl, ofl->ofl_soname, &stoff);
21757c478bd9Sstevel@tonic-gate dyn->d_un.d_val = stoff;
21767c478bd9Sstevel@tonic-gate dyn++;
21777c478bd9Sstevel@tonic-gate }
21787c478bd9Sstevel@tonic-gate if (ofl->ofl_filtees) {
21797c478bd9Sstevel@tonic-gate if (flags & FLG_OF_AUX) {
21807c478bd9Sstevel@tonic-gate dyn->d_tag = DT_AUXILIARY;
21817c478bd9Sstevel@tonic-gate } else {
21827c478bd9Sstevel@tonic-gate dyn->d_tag = DT_FILTER;
21837c478bd9Sstevel@tonic-gate }
2184635216b6SRod Evans (void) st_setstring(strtbl, ofl->ofl_filtees, &stoff);
21857c478bd9Sstevel@tonic-gate dyn->d_un.d_val = stoff;
21867c478bd9Sstevel@tonic-gate dyn++;
21877c478bd9Sstevel@tonic-gate }
21881d9df23bSab196087 }
21891d9df23bSab196087
21907c478bd9Sstevel@tonic-gate if (ofl->ofl_rpath) {
2191635216b6SRod Evans (void) st_setstring(strtbl, ofl->ofl_rpath, &stoff);
21927c478bd9Sstevel@tonic-gate dyn->d_tag = DT_RUNPATH;
21937c478bd9Sstevel@tonic-gate dyn->d_un.d_val = stoff;
21947c478bd9Sstevel@tonic-gate dyn++;
21957c478bd9Sstevel@tonic-gate dyn->d_tag = DT_RPATH;
21967c478bd9Sstevel@tonic-gate dyn->d_un.d_val = stoff;
21977c478bd9Sstevel@tonic-gate dyn++;
21987c478bd9Sstevel@tonic-gate }
21991d9df23bSab196087
22001d9df23bSab196087 if (not_relobj) {
220157ef7aa9SRod Evans Aliste idx;
220294c044f4SRod Evans Sg_desc *sgp;
220357ef7aa9SRod Evans
22047c478bd9Sstevel@tonic-gate if (ofl->ofl_config) {
22057c478bd9Sstevel@tonic-gate dyn->d_tag = DT_CONFIG;
2206635216b6SRod Evans (void) st_setstring(strtbl, ofl->ofl_config, &stoff);
22077c478bd9Sstevel@tonic-gate dyn->d_un.d_val = stoff;
22087c478bd9Sstevel@tonic-gate dyn++;
22097c478bd9Sstevel@tonic-gate }
22107c478bd9Sstevel@tonic-gate if (ofl->ofl_depaudit) {
22117c478bd9Sstevel@tonic-gate dyn->d_tag = DT_DEPAUDIT;
2212635216b6SRod Evans (void) st_setstring(strtbl, ofl->ofl_depaudit, &stoff);
22137c478bd9Sstevel@tonic-gate dyn->d_un.d_val = stoff;
22147c478bd9Sstevel@tonic-gate dyn++;
22157c478bd9Sstevel@tonic-gate }
22167c478bd9Sstevel@tonic-gate if (ofl->ofl_audit) {
22177c478bd9Sstevel@tonic-gate dyn->d_tag = DT_AUDIT;
2218635216b6SRod Evans (void) st_setstring(strtbl, ofl->ofl_audit, &stoff);
22197c478bd9Sstevel@tonic-gate dyn->d_un.d_val = stoff;
22207c478bd9Sstevel@tonic-gate dyn++;
22217c478bd9Sstevel@tonic-gate }
22227c478bd9Sstevel@tonic-gate
22237c478bd9Sstevel@tonic-gate dyn->d_tag = DT_HASH;
22247c478bd9Sstevel@tonic-gate dyn->d_un.d_ptr = ofl->ofl_oshash->os_shdr->sh_addr;
22257c478bd9Sstevel@tonic-gate dyn++;
22267c478bd9Sstevel@tonic-gate
2227635216b6SRod Evans shdr = strosp->os_shdr;
22287c478bd9Sstevel@tonic-gate dyn->d_tag = DT_STRTAB;
22297c478bd9Sstevel@tonic-gate dyn->d_un.d_ptr = shdr->sh_addr;
22307c478bd9Sstevel@tonic-gate dyn++;
22317c478bd9Sstevel@tonic-gate
22327c478bd9Sstevel@tonic-gate dyn->d_tag = DT_STRSZ;
22337c478bd9Sstevel@tonic-gate dyn->d_un.d_ptr = shdr->sh_size;
22347c478bd9Sstevel@tonic-gate dyn++;
22357c478bd9Sstevel@tonic-gate
2236635216b6SRod Evans /*
2237635216b6SRod Evans * Note, the shdr is set and used in the ofl->ofl_osldynsym case
2238635216b6SRod Evans * that follows.
2239635216b6SRod Evans */
2240635216b6SRod Evans shdr = symosp->os_shdr;
22417c478bd9Sstevel@tonic-gate dyn->d_tag = DT_SYMTAB;
22427c478bd9Sstevel@tonic-gate dyn->d_un.d_ptr = shdr->sh_addr;
22437c478bd9Sstevel@tonic-gate dyn++;
22447c478bd9Sstevel@tonic-gate
22457c478bd9Sstevel@tonic-gate dyn->d_tag = DT_SYMENT;
22467c478bd9Sstevel@tonic-gate dyn->d_un.d_ptr = shdr->sh_entsize;
22477c478bd9Sstevel@tonic-gate dyn++;
22487c478bd9Sstevel@tonic-gate
22499039eeafSab196087 if (ofl->ofl_osldynsym) {
2250635216b6SRod Evans Shdr *lshdr = ofl->ofl_osldynsym->os_shdr;
2251635216b6SRod Evans
22529039eeafSab196087 /*
22539039eeafSab196087 * We have arranged for the .SUNW_ldynsym data to be
22549039eeafSab196087 * immediately in front of the .dynsym data.
22559039eeafSab196087 * This means that you could start at the top
22569039eeafSab196087 * of .SUNW_ldynsym and see the data for both tables
22579039eeafSab196087 * without a break. This is the view we want to
22589039eeafSab196087 * provide for DT_SUNW_SYMTAB, which is why we
22599039eeafSab196087 * add the lengths together.
22609039eeafSab196087 */
22619039eeafSab196087 dyn->d_tag = DT_SUNW_SYMTAB;
22629039eeafSab196087 dyn->d_un.d_ptr = lshdr->sh_addr;
22639039eeafSab196087 dyn++;
22649039eeafSab196087
22659039eeafSab196087 dyn->d_tag = DT_SUNW_SYMSZ;
22669039eeafSab196087 dyn->d_un.d_val = lshdr->sh_size + shdr->sh_size;
22679039eeafSab196087 dyn++;
22689039eeafSab196087 }
22699039eeafSab196087
2270d579eb63Sab196087 if (ofl->ofl_osdynsymsort || ofl->ofl_osdyntlssort) {
2271d579eb63Sab196087 dyn->d_tag = DT_SUNW_SORTENT;
2272d579eb63Sab196087 dyn->d_un.d_val = sizeof (Word);
2273d579eb63Sab196087 dyn++;
2274d579eb63Sab196087 }
2275d579eb63Sab196087
2276d579eb63Sab196087 if (ofl->ofl_osdynsymsort) {
2277635216b6SRod Evans shdr = ofl->ofl_osdynsymsort->os_shdr;
2278635216b6SRod Evans
2279d579eb63Sab196087 dyn->d_tag = DT_SUNW_SYMSORT;
2280635216b6SRod Evans dyn->d_un.d_ptr = shdr->sh_addr;
2281d579eb63Sab196087 dyn++;
2282d579eb63Sab196087
2283d579eb63Sab196087 dyn->d_tag = DT_SUNW_SYMSORTSZ;
2284635216b6SRod Evans dyn->d_un.d_val = shdr->sh_size;
2285d579eb63Sab196087 dyn++;
2286d579eb63Sab196087 }
2287d579eb63Sab196087
2288d579eb63Sab196087 if (ofl->ofl_osdyntlssort) {
2289635216b6SRod Evans shdr = ofl->ofl_osdyntlssort->os_shdr;
2290635216b6SRod Evans
2291d579eb63Sab196087 dyn->d_tag = DT_SUNW_TLSSORT;
2292635216b6SRod Evans dyn->d_un.d_ptr = shdr->sh_addr;
2293d579eb63Sab196087 dyn++;
2294d579eb63Sab196087
2295d579eb63Sab196087 dyn->d_tag = DT_SUNW_TLSSORTSZ;
2296635216b6SRod Evans dyn->d_un.d_val = shdr->sh_size;
2297d579eb63Sab196087 dyn++;
2298d579eb63Sab196087 }
2299d579eb63Sab196087
23007c478bd9Sstevel@tonic-gate /*
23017c478bd9Sstevel@tonic-gate * Reserve the DT_CHECKSUM entry. Its value will be filled in
23027c478bd9Sstevel@tonic-gate * after the complete image is built.
23037c478bd9Sstevel@tonic-gate */
23047c478bd9Sstevel@tonic-gate dyn->d_tag = DT_CHECKSUM;
23057c478bd9Sstevel@tonic-gate ofl->ofl_checksum = &dyn->d_un.d_val;
23067c478bd9Sstevel@tonic-gate dyn++;
23077c478bd9Sstevel@tonic-gate
2308d840867fSab196087 /*
2309d840867fSab196087 * Versioning sections: DT_VERDEF and DT_VERNEED.
2310d840867fSab196087 *
2311d840867fSab196087 * The Solaris ld does not produce DT_VERSYM, but the GNU ld
2312d840867fSab196087 * does, in order to support their style of versioning, which
2313d840867fSab196087 * differs from ours:
2314d840867fSab196087 *
2315d840867fSab196087 * - The top bit of the 16-bit Versym index is
2316d840867fSab196087 * not part of the version, but is interpreted
2317d840867fSab196087 * as a "hidden bit".
2318d840867fSab196087 *
2319d840867fSab196087 * - External (SHN_UNDEF) symbols can have non-zero
2320d840867fSab196087 * Versym values, which specify versions in
2321d840867fSab196087 * referenced objects, via the Verneed section.
2322d840867fSab196087 *
2323d840867fSab196087 * - The vna_other field of the Vernaux structures
2324d840867fSab196087 * found in the Verneed section are not zero as
2325d840867fSab196087 * with Solaris, but instead contain the version
2326d840867fSab196087 * index to be used by Versym indices to reference
2327d840867fSab196087 * the given external version.
2328d840867fSab196087 *
2329d840867fSab196087 * The Solaris ld, rtld, and elfdump programs all interpret the
2330d840867fSab196087 * presence of DT_VERSYM as meaning that GNU versioning rules
2331d840867fSab196087 * apply to the given file. If DT_VERSYM is not present,
2332d840867fSab196087 * then Solaris versioning rules apply. If we should ever need
2333d840867fSab196087 * to change our ld so that it does issue DT_VERSYM, then
2334d840867fSab196087 * this rule for detecting GNU versioning will no longer work.
2335d840867fSab196087 * In that case, we will have to invent a way to explicitly
2336d840867fSab196087 * specify the style of versioning in use, perhaps via a
2337d840867fSab196087 * new dynamic entry named something like DT_SUNW_VERSIONSTYLE,
2338d840867fSab196087 * where the d_un.d_val value specifies which style is to be
2339d840867fSab196087 * used.
2340d840867fSab196087 */
23417c478bd9Sstevel@tonic-gate if ((flags & (FLG_OF_VERDEF | FLG_OF_NOVERSEC)) ==
23427c478bd9Sstevel@tonic-gate FLG_OF_VERDEF) {
23437c478bd9Sstevel@tonic-gate shdr = ofl->ofl_osverdef->os_shdr;
2344635216b6SRod Evans
23457c478bd9Sstevel@tonic-gate dyn->d_tag = DT_VERDEF;
23467c478bd9Sstevel@tonic-gate dyn->d_un.d_ptr = shdr->sh_addr;
23477c478bd9Sstevel@tonic-gate dyn++;
23487c478bd9Sstevel@tonic-gate dyn->d_tag = DT_VERDEFNUM;
23497c478bd9Sstevel@tonic-gate dyn->d_un.d_ptr = shdr->sh_info;
23507c478bd9Sstevel@tonic-gate dyn++;
23517c478bd9Sstevel@tonic-gate }
23527c478bd9Sstevel@tonic-gate if ((flags & (FLG_OF_VERNEED | FLG_OF_NOVERSEC)) ==
23537c478bd9Sstevel@tonic-gate FLG_OF_VERNEED) {
23547c478bd9Sstevel@tonic-gate shdr = ofl->ofl_osverneed->os_shdr;
2355635216b6SRod Evans
23567c478bd9Sstevel@tonic-gate dyn->d_tag = DT_VERNEED;
23577c478bd9Sstevel@tonic-gate dyn->d_un.d_ptr = shdr->sh_addr;
23587c478bd9Sstevel@tonic-gate dyn++;
23597c478bd9Sstevel@tonic-gate dyn->d_tag = DT_VERNEEDNUM;
23607c478bd9Sstevel@tonic-gate dyn->d_un.d_ptr = shdr->sh_info;
23617c478bd9Sstevel@tonic-gate dyn++;
23627c478bd9Sstevel@tonic-gate }
2363d840867fSab196087
23641d9df23bSab196087 if ((flags & FLG_OF_COMREL) && ofl->ofl_relocrelcnt) {
2365ba2be530Sab196087 dyn->d_tag = ld_targ.t_m.m_rel_dt_count;
23667c478bd9Sstevel@tonic-gate dyn->d_un.d_val = ofl->ofl_relocrelcnt;
23677c478bd9Sstevel@tonic-gate dyn++;
23687c478bd9Sstevel@tonic-gate }
23697c478bd9Sstevel@tonic-gate if (flags & FLG_OF_TEXTREL) {
23707c478bd9Sstevel@tonic-gate /*
23717c478bd9Sstevel@tonic-gate * Only the presence of this entry is used in this
23727c478bd9Sstevel@tonic-gate * implementation, not the value stored.
23737c478bd9Sstevel@tonic-gate */
23747c478bd9Sstevel@tonic-gate dyn->d_tag = DT_TEXTREL;
23757c478bd9Sstevel@tonic-gate dyn->d_un.d_val = 0;
23767c478bd9Sstevel@tonic-gate dyn++;
23777c478bd9Sstevel@tonic-gate }
23787c478bd9Sstevel@tonic-gate
23797c478bd9Sstevel@tonic-gate if (ofl->ofl_osfiniarray) {
23807c478bd9Sstevel@tonic-gate shdr = ofl->ofl_osfiniarray->os_shdr;
23817c478bd9Sstevel@tonic-gate
23827c478bd9Sstevel@tonic-gate dyn->d_tag = DT_FINI_ARRAY;
23837c478bd9Sstevel@tonic-gate dyn->d_un.d_ptr = shdr->sh_addr;
23847c478bd9Sstevel@tonic-gate dyn++;
23857c478bd9Sstevel@tonic-gate
23867c478bd9Sstevel@tonic-gate dyn->d_tag = DT_FINI_ARRAYSZ;
23877c478bd9Sstevel@tonic-gate dyn->d_un.d_val = shdr->sh_size;
23887c478bd9Sstevel@tonic-gate dyn++;
23897c478bd9Sstevel@tonic-gate }
23907c478bd9Sstevel@tonic-gate
23917c478bd9Sstevel@tonic-gate if (ofl->ofl_osinitarray) {
23927c478bd9Sstevel@tonic-gate shdr = ofl->ofl_osinitarray->os_shdr;
23937c478bd9Sstevel@tonic-gate
23947c478bd9Sstevel@tonic-gate dyn->d_tag = DT_INIT_ARRAY;
23957c478bd9Sstevel@tonic-gate dyn->d_un.d_ptr = shdr->sh_addr;
23967c478bd9Sstevel@tonic-gate dyn++;
23977c478bd9Sstevel@tonic-gate
23987c478bd9Sstevel@tonic-gate dyn->d_tag = DT_INIT_ARRAYSZ;
23997c478bd9Sstevel@tonic-gate dyn->d_un.d_val = shdr->sh_size;
24007c478bd9Sstevel@tonic-gate dyn++;
24017c478bd9Sstevel@tonic-gate }
24027c478bd9Sstevel@tonic-gate
24037c478bd9Sstevel@tonic-gate if (ofl->ofl_ospreinitarray) {
24047c478bd9Sstevel@tonic-gate shdr = ofl->ofl_ospreinitarray->os_shdr;
24057c478bd9Sstevel@tonic-gate
24067c478bd9Sstevel@tonic-gate dyn->d_tag = DT_PREINIT_ARRAY;
24077c478bd9Sstevel@tonic-gate dyn->d_un.d_ptr = shdr->sh_addr;
24087c478bd9Sstevel@tonic-gate dyn++;
24097c478bd9Sstevel@tonic-gate
24107c478bd9Sstevel@tonic-gate dyn->d_tag = DT_PREINIT_ARRAYSZ;
24117c478bd9Sstevel@tonic-gate dyn->d_un.d_val = shdr->sh_size;
24127c478bd9Sstevel@tonic-gate dyn++;
24137c478bd9Sstevel@tonic-gate }
24147c478bd9Sstevel@tonic-gate
24157c478bd9Sstevel@tonic-gate if (ofl->ofl_pltcnt) {
24167c478bd9Sstevel@tonic-gate shdr = ofl->ofl_osplt->os_relosdesc->os_shdr;
24177c478bd9Sstevel@tonic-gate
24187c478bd9Sstevel@tonic-gate dyn->d_tag = DT_PLTRELSZ;
24197c478bd9Sstevel@tonic-gate dyn->d_un.d_ptr = shdr->sh_size;
24207c478bd9Sstevel@tonic-gate dyn++;
24217c478bd9Sstevel@tonic-gate dyn->d_tag = DT_PLTREL;
2422ba2be530Sab196087 dyn->d_un.d_ptr = ld_targ.t_m.m_rel_dt_type;
24237c478bd9Sstevel@tonic-gate dyn++;
24247c478bd9Sstevel@tonic-gate dyn->d_tag = DT_JMPREL;
24257c478bd9Sstevel@tonic-gate dyn->d_un.d_ptr = shdr->sh_addr;
24267c478bd9Sstevel@tonic-gate dyn++;
24277c478bd9Sstevel@tonic-gate }
24287c478bd9Sstevel@tonic-gate if (ofl->ofl_pltpad) {
24297c478bd9Sstevel@tonic-gate shdr = ofl->ofl_osplt->os_shdr;
24307c478bd9Sstevel@tonic-gate
24317c478bd9Sstevel@tonic-gate dyn->d_tag = DT_PLTPAD;
243260758829Srie if (ofl->ofl_pltcnt) {
24337c478bd9Sstevel@tonic-gate dyn->d_un.d_ptr = shdr->sh_addr +
2434ba2be530Sab196087 ld_targ.t_m.m_plt_reservsz +
2435ba2be530Sab196087 ofl->ofl_pltcnt * ld_targ.t_m.m_plt_entsize;
243660758829Srie } else
24377c478bd9Sstevel@tonic-gate dyn->d_un.d_ptr = shdr->sh_addr;
24387c478bd9Sstevel@tonic-gate dyn++;
24397c478bd9Sstevel@tonic-gate dyn->d_tag = DT_PLTPADSZ;
2440ba2be530Sab196087 dyn->d_un.d_val = ofl->ofl_pltpad *
2441ba2be530Sab196087 ld_targ.t_m.m_plt_entsize;
24427c478bd9Sstevel@tonic-gate dyn++;
24437c478bd9Sstevel@tonic-gate }
24447c478bd9Sstevel@tonic-gate if (ofl->ofl_relocsz) {
2445635216b6SRod Evans shdr = ofl->ofl_osrelhead->os_shdr;
2446635216b6SRod Evans
2447ba2be530Sab196087 dyn->d_tag = ld_targ.t_m.m_rel_dt_type;
2448635216b6SRod Evans dyn->d_un.d_ptr = shdr->sh_addr;
24497c478bd9Sstevel@tonic-gate dyn++;
2450ba2be530Sab196087 dyn->d_tag = ld_targ.t_m.m_rel_dt_size;
24517c478bd9Sstevel@tonic-gate dyn->d_un.d_ptr = ofl->ofl_relocsz;
24527c478bd9Sstevel@tonic-gate dyn++;
2453ba2be530Sab196087 dyn->d_tag = ld_targ.t_m.m_rel_dt_ent;
2454635216b6SRod Evans if (shdr->sh_type == SHT_REL)
24557c478bd9Sstevel@tonic-gate dyn->d_un.d_ptr = sizeof (Rel);
24567c478bd9Sstevel@tonic-gate else
24577c478bd9Sstevel@tonic-gate dyn->d_un.d_ptr = sizeof (Rela);
24587c478bd9Sstevel@tonic-gate dyn++;
24597c478bd9Sstevel@tonic-gate }
24607c478bd9Sstevel@tonic-gate if (ofl->ofl_ossyminfo) {
24617c478bd9Sstevel@tonic-gate shdr = ofl->ofl_ossyminfo->os_shdr;
2462635216b6SRod Evans
24637c478bd9Sstevel@tonic-gate dyn->d_tag = DT_SYMINFO;
24647c478bd9Sstevel@tonic-gate dyn->d_un.d_ptr = shdr->sh_addr;
24657c478bd9Sstevel@tonic-gate dyn++;
24667c478bd9Sstevel@tonic-gate dyn->d_tag = DT_SYMINSZ;
24677c478bd9Sstevel@tonic-gate dyn->d_un.d_val = shdr->sh_size;
24687c478bd9Sstevel@tonic-gate dyn++;
24697c478bd9Sstevel@tonic-gate dyn->d_tag = DT_SYMINENT;
24707c478bd9Sstevel@tonic-gate dyn->d_un.d_val = sizeof (Syminfo);
24717c478bd9Sstevel@tonic-gate dyn++;
24727c478bd9Sstevel@tonic-gate }
24737c478bd9Sstevel@tonic-gate if (ofl->ofl_osmove) {
2474635216b6SRod Evans shdr = ofl->ofl_osmove->os_shdr;
24757c478bd9Sstevel@tonic-gate
247608278a5eSRod Evans dyn->d_tag = DT_MOVETAB;
247708278a5eSRod Evans dyn->d_un.d_val = shdr->sh_addr;
24787c478bd9Sstevel@tonic-gate dyn++;
24797c478bd9Sstevel@tonic-gate dyn->d_tag = DT_MOVESZ;
2480635216b6SRod Evans dyn->d_un.d_val = shdr->sh_size;
24817c478bd9Sstevel@tonic-gate dyn++;
248208278a5eSRod Evans dyn->d_tag = DT_MOVEENT;
248308278a5eSRod Evans dyn->d_un.d_val = shdr->sh_entsize;
24847c478bd9Sstevel@tonic-gate dyn++;
24857c478bd9Sstevel@tonic-gate }
24867c478bd9Sstevel@tonic-gate if (ofl->ofl_regsymcnt) {
24877c478bd9Sstevel@tonic-gate int ndx;
24887c478bd9Sstevel@tonic-gate
24897c478bd9Sstevel@tonic-gate for (ndx = 0; ndx < ofl->ofl_regsymsno; ndx++) {
249057ef7aa9SRod Evans if ((sdp = ofl->ofl_regsyms[ndx]) == NULL)
24917c478bd9Sstevel@tonic-gate continue;
24927c478bd9Sstevel@tonic-gate
2493ba2be530Sab196087 dyn->d_tag = ld_targ.t_m.m_dt_register;
24947c478bd9Sstevel@tonic-gate dyn->d_un.d_val = sdp->sd_symndx;
24957c478bd9Sstevel@tonic-gate dyn++;
24967c478bd9Sstevel@tonic-gate }
24977c478bd9Sstevel@tonic-gate }
24987c478bd9Sstevel@tonic-gate
249957ef7aa9SRod Evans for (APLIST_TRAVERSE(ofl->ofl_rtldinfo, idx, sdp)) {
25007c478bd9Sstevel@tonic-gate dyn->d_tag = DT_SUNW_RTLDINF;
25017c478bd9Sstevel@tonic-gate dyn->d_un.d_ptr = sdp->sd_sym->st_value;
25027c478bd9Sstevel@tonic-gate dyn++;
25037c478bd9Sstevel@tonic-gate }
25047c478bd9Sstevel@tonic-gate
250594c044f4SRod Evans if (((sgp = ofl->ofl_osdynamic->os_sgdesc) != NULL) &&
250694c044f4SRod Evans (sgp->sg_phdr.p_flags & PF_W) && ofl->ofl_osinterp) {
25077c478bd9Sstevel@tonic-gate dyn->d_tag = DT_DEBUG;
25087c478bd9Sstevel@tonic-gate dyn->d_un.d_ptr = 0;
25097c478bd9Sstevel@tonic-gate dyn++;
25107c478bd9Sstevel@tonic-gate }
25117c478bd9Sstevel@tonic-gate
25127c478bd9Sstevel@tonic-gate if (ofl->ofl_oscap) {
25137c478bd9Sstevel@tonic-gate dyn->d_tag = DT_SUNW_CAP;
25147c478bd9Sstevel@tonic-gate dyn->d_un.d_val = ofl->ofl_oscap->os_shdr->sh_addr;
25157c478bd9Sstevel@tonic-gate dyn++;
25167c478bd9Sstevel@tonic-gate }
251708278a5eSRod Evans if (ofl->ofl_oscapinfo) {
251808278a5eSRod Evans dyn->d_tag = DT_SUNW_CAPINFO;
251908278a5eSRod Evans dyn->d_un.d_val = ofl->ofl_oscapinfo->os_shdr->sh_addr;
252008278a5eSRod Evans dyn++;
252108278a5eSRod Evans }
252208278a5eSRod Evans if (ofl->ofl_oscapchain) {
252308278a5eSRod Evans shdr = ofl->ofl_oscapchain->os_shdr;
25247c478bd9Sstevel@tonic-gate
252508278a5eSRod Evans dyn->d_tag = DT_SUNW_CAPCHAIN;
252608278a5eSRod Evans dyn->d_un.d_val = shdr->sh_addr;
252708278a5eSRod Evans dyn++;
252808278a5eSRod Evans dyn->d_tag = DT_SUNW_CAPCHAINSZ;
252908278a5eSRod Evans dyn->d_un.d_val = shdr->sh_size;
253008278a5eSRod Evans dyn++;
253108278a5eSRod Evans dyn->d_tag = DT_SUNW_CAPCHAINENT;
253208278a5eSRod Evans dyn->d_un.d_val = shdr->sh_entsize;
253308278a5eSRod Evans dyn++;
253408278a5eSRod Evans }
25357c478bd9Sstevel@tonic-gate if (flags & FLG_OF_SYMBOLIC) {
25367c478bd9Sstevel@tonic-gate dyn->d_tag = DT_SYMBOLIC;
25377c478bd9Sstevel@tonic-gate dyn->d_un.d_val = 0;
25387c478bd9Sstevel@tonic-gate dyn++;
25397c478bd9Sstevel@tonic-gate }
25401d9df23bSab196087 }
25411d9df23bSab196087
25427c478bd9Sstevel@tonic-gate dyn->d_tag = DT_FLAGS;
25437c478bd9Sstevel@tonic-gate dyn->d_un.d_val = ofl->ofl_dtflags;
25447c478bd9Sstevel@tonic-gate dyn++;
25457c478bd9Sstevel@tonic-gate
25467c478bd9Sstevel@tonic-gate /*
25477c478bd9Sstevel@tonic-gate * If -Bdirect was specified, but some NODIRECT symbols were specified
25487c478bd9Sstevel@tonic-gate * via a mapfile, or -znodirect was used on the command line, then
25497c478bd9Sstevel@tonic-gate * clear the DF_1_DIRECT flag. The resultant object will use per-symbol
25507c478bd9Sstevel@tonic-gate * direct bindings rather than be enabled for global direct bindings.
255128bda19cSRod Evans *
255228bda19cSRod Evans * If any no-direct bindings exist within this object, set the
255328bda19cSRod Evans * DF_1_NODIRECT flag. ld(1) recognizes this flag when processing
255428bda19cSRod Evans * dependencies, and performs extra work to ensure that no direct
255528bda19cSRod Evans * bindings are established to the no-direct symbols that exist
255628bda19cSRod Evans * within these dependencies.
25577c478bd9Sstevel@tonic-gate */
255828bda19cSRod Evans if (ofl->ofl_flags1 & FLG_OF1_NGLBDIR)
25597c478bd9Sstevel@tonic-gate ofl->ofl_dtflags_1 &= ~DF_1_DIRECT;
256028bda19cSRod Evans if (ofl->ofl_flags1 & FLG_OF1_NDIRECT)
256160758829Srie ofl->ofl_dtflags_1 |= DF_1_NODIRECT;
25627c478bd9Sstevel@tonic-gate
25637c478bd9Sstevel@tonic-gate dyn->d_tag = DT_FLAGS_1;
25647c478bd9Sstevel@tonic-gate dyn->d_un.d_val = ofl->ofl_dtflags_1;
25657c478bd9Sstevel@tonic-gate dyn++;
25667c478bd9Sstevel@tonic-gate
25673244bcaaSab196087 dyn->d_tag = DT_SUNW_STRPAD;
25683244bcaaSab196087 dyn->d_un.d_val = DYNSTR_EXTRA_PAD;
25693244bcaaSab196087 dyn++;
25703244bcaaSab196087
2571ba2be530Sab196087 dyn->d_tag = DT_SUNW_LDMACH;
2572ba2be530Sab196087 dyn->d_un.d_val = ld_sunw_ldmach();
2573ba2be530Sab196087 dyn++;
2574ba2be530Sab196087
2575ba2be530Sab196087 (*ld_targ.t_mr.mr_mach_update_odynamic)(ofl, &dyn);
25767c478bd9Sstevel@tonic-gate
25773244bcaaSab196087 for (cnt = 1 + DYNAMIC_EXTRA_ELTS; cnt--; dyn++) {
25787c478bd9Sstevel@tonic-gate dyn->d_tag = DT_NULL;
25797c478bd9Sstevel@tonic-gate dyn->d_un.d_val = 0;
25803244bcaaSab196087 }
25817c478bd9Sstevel@tonic-gate
25825b59e4caSab196087 /*
2583635216b6SRod Evans * Ensure that we wrote the right number of entries. If not, we either
2584635216b6SRod Evans * miscounted in make_dynamic(), or we did something wrong in this
2585635216b6SRod Evans * function.
25865b59e4caSab196087 */
25875b59e4caSab196087 assert((ofl->ofl_osdynamic->os_shdr->sh_size /
25885b59e4caSab196087 ofl->ofl_osdynamic->os_shdr->sh_entsize) ==
25893244bcaaSab196087 ((uintptr_t)dyn - (uintptr_t)_dyn) / sizeof (*dyn));
25905b59e4caSab196087
25917c478bd9Sstevel@tonic-gate return (1);
25927c478bd9Sstevel@tonic-gate }
25937c478bd9Sstevel@tonic-gate
25947c478bd9Sstevel@tonic-gate /*
25957c478bd9Sstevel@tonic-gate * Build the version definition section
25967c478bd9Sstevel@tonic-gate */
25975aefb655Srie static int
update_overdef(Ofl_desc * ofl)25987c478bd9Sstevel@tonic-gate update_overdef(Ofl_desc *ofl)
25997c478bd9Sstevel@tonic-gate {
260057ef7aa9SRod Evans Aliste idx1;
26017c478bd9Sstevel@tonic-gate Ver_desc *vdp, *_vdp;
26027c478bd9Sstevel@tonic-gate Verdef *vdf, *_vdf;
26037c478bd9Sstevel@tonic-gate int num = 0;
2604090a8d9eSAli Bahrami Os_desc *strosp;
2605635216b6SRod Evans Str_tbl *strtbl;
2606635216b6SRod Evans
2607635216b6SRod Evans /*
2608635216b6SRod Evans * Determine which string table to use.
2609635216b6SRod Evans */
2610635216b6SRod Evans if (OFL_IS_STATIC_OBJ(ofl)) {
2611635216b6SRod Evans strtbl = ofl->ofl_strtab;
2612635216b6SRod Evans strosp = ofl->ofl_osstrtab;
2613635216b6SRod Evans } else {
2614635216b6SRod Evans strtbl = ofl->ofl_dynstrtab;
2615635216b6SRod Evans strosp = ofl->ofl_osdynstr;
2616635216b6SRod Evans }
26177c478bd9Sstevel@tonic-gate
26187c478bd9Sstevel@tonic-gate /*
26197c478bd9Sstevel@tonic-gate * Traverse the version descriptors and update the version structures
26207c478bd9Sstevel@tonic-gate * to point to the dynstr name in preparation for building the version
26217c478bd9Sstevel@tonic-gate * section structure.
26227c478bd9Sstevel@tonic-gate */
262357ef7aa9SRod Evans for (APLIST_TRAVERSE(ofl->ofl_verdesc, idx1, vdp)) {
26247c478bd9Sstevel@tonic-gate Sym_desc *sdp;
26257c478bd9Sstevel@tonic-gate
26267c478bd9Sstevel@tonic-gate if (vdp->vd_flags & VER_FLG_BASE) {
26277c478bd9Sstevel@tonic-gate const char *name = vdp->vd_name;
2628cce0e03bSab196087 size_t stoff;
26297c478bd9Sstevel@tonic-gate
26307c478bd9Sstevel@tonic-gate /*
26317c478bd9Sstevel@tonic-gate * Create a new string table entry to represent the base
26327c478bd9Sstevel@tonic-gate * version name (there is no corresponding symbol for
26337c478bd9Sstevel@tonic-gate * this).
26347c478bd9Sstevel@tonic-gate */
2635635216b6SRod Evans (void) st_setstring(strtbl, name, &stoff);
26367c478bd9Sstevel@tonic-gate /* LINTED */
2637cce0e03bSab196087 vdp->vd_name = (const char *)stoff;
26387c478bd9Sstevel@tonic-gate } else {
26395aefb655Srie sdp = ld_sym_find(vdp->vd_name, vdp->vd_hash, 0, ofl);
26407c478bd9Sstevel@tonic-gate /* LINTED */
26417c478bd9Sstevel@tonic-gate vdp->vd_name = (const char *)
26427c478bd9Sstevel@tonic-gate (uintptr_t)sdp->sd_sym->st_name;
26437c478bd9Sstevel@tonic-gate }
26447c478bd9Sstevel@tonic-gate }
26457c478bd9Sstevel@tonic-gate
26467c478bd9Sstevel@tonic-gate _vdf = vdf = (Verdef *)ofl->ofl_osverdef->os_outdata->d_buf;
26477c478bd9Sstevel@tonic-gate
26487c478bd9Sstevel@tonic-gate /*
26497c478bd9Sstevel@tonic-gate * Traverse the version descriptors and update the version section to
26507c478bd9Sstevel@tonic-gate * reflect each version and its associated dependencies.
26517c478bd9Sstevel@tonic-gate */
265257ef7aa9SRod Evans for (APLIST_TRAVERSE(ofl->ofl_verdesc, idx1, vdp)) {
265357ef7aa9SRod Evans Aliste idx2;
26547c478bd9Sstevel@tonic-gate Half cnt = 1;
26557c478bd9Sstevel@tonic-gate Verdaux *vdap, *_vdap;
26567c478bd9Sstevel@tonic-gate
26577c478bd9Sstevel@tonic-gate _vdap = vdap = (Verdaux *)(vdf + 1);
26587c478bd9Sstevel@tonic-gate
26597c478bd9Sstevel@tonic-gate vdf->vd_version = VER_DEF_CURRENT;
26607c478bd9Sstevel@tonic-gate vdf->vd_flags = vdp->vd_flags & MSK_VER_USER;
26617c478bd9Sstevel@tonic-gate vdf->vd_ndx = vdp->vd_ndx;
26627c478bd9Sstevel@tonic-gate vdf->vd_hash = vdp->vd_hash;
26637c478bd9Sstevel@tonic-gate
26647c478bd9Sstevel@tonic-gate /* LINTED */
26657c478bd9Sstevel@tonic-gate vdap->vda_name = (uintptr_t)vdp->vd_name;
26667c478bd9Sstevel@tonic-gate vdap++;
26677c478bd9Sstevel@tonic-gate /* LINTED */
26687c478bd9Sstevel@tonic-gate _vdap->vda_next = (Word)((uintptr_t)vdap - (uintptr_t)_vdap);
26697c478bd9Sstevel@tonic-gate
26707c478bd9Sstevel@tonic-gate /*
26717c478bd9Sstevel@tonic-gate * Traverse this versions dependency list generating the
26727c478bd9Sstevel@tonic-gate * appropriate version dependency entries.
26737c478bd9Sstevel@tonic-gate */
267457ef7aa9SRod Evans for (APLIST_TRAVERSE(vdp->vd_deps, idx2, _vdp)) {
26757c478bd9Sstevel@tonic-gate /* LINTED */
26767c478bd9Sstevel@tonic-gate vdap->vda_name = (uintptr_t)_vdp->vd_name;
26777c478bd9Sstevel@tonic-gate _vdap = vdap;
26787c478bd9Sstevel@tonic-gate vdap++, cnt++;
26797c478bd9Sstevel@tonic-gate /* LINTED */
26807c478bd9Sstevel@tonic-gate _vdap->vda_next = (Word)((uintptr_t)vdap -
26817c478bd9Sstevel@tonic-gate (uintptr_t)_vdap);
26827c478bd9Sstevel@tonic-gate }
26837c478bd9Sstevel@tonic-gate _vdap->vda_next = 0;
26847c478bd9Sstevel@tonic-gate
26857c478bd9Sstevel@tonic-gate /*
26867c478bd9Sstevel@tonic-gate * Record the versions auxiliary array offset and the associated
26877c478bd9Sstevel@tonic-gate * dependency count.
26887c478bd9Sstevel@tonic-gate */
26897c478bd9Sstevel@tonic-gate /* LINTED */
26907c478bd9Sstevel@tonic-gate vdf->vd_aux = (Word)((uintptr_t)(vdf + 1) - (uintptr_t)vdf);
26917c478bd9Sstevel@tonic-gate vdf->vd_cnt = cnt;
26927c478bd9Sstevel@tonic-gate
26937c478bd9Sstevel@tonic-gate /*
26947c478bd9Sstevel@tonic-gate * Record the next versions offset and update the version
26957c478bd9Sstevel@tonic-gate * pointer. Remember the previous version offset as the very
26967c478bd9Sstevel@tonic-gate * last structures next pointer should be null.
26977c478bd9Sstevel@tonic-gate */
26987c478bd9Sstevel@tonic-gate _vdf = vdf;
26997c478bd9Sstevel@tonic-gate vdf = (Verdef *)vdap, num++;
27007c478bd9Sstevel@tonic-gate /* LINTED */
27017c478bd9Sstevel@tonic-gate _vdf->vd_next = (Word)((uintptr_t)vdf - (uintptr_t)_vdf);
27027c478bd9Sstevel@tonic-gate }
27037c478bd9Sstevel@tonic-gate _vdf->vd_next = 0;
27047c478bd9Sstevel@tonic-gate
27057c478bd9Sstevel@tonic-gate /*
27067c478bd9Sstevel@tonic-gate * Record the string table association with the version definition
27077c478bd9Sstevel@tonic-gate * section, and the symbol table associated with the version symbol
27087c478bd9Sstevel@tonic-gate * table (the actual contents of the version symbol table are filled
27097c478bd9Sstevel@tonic-gate * in during symbol update).
27107c478bd9Sstevel@tonic-gate */
27117c478bd9Sstevel@tonic-gate /* LINTED */
27127c478bd9Sstevel@tonic-gate ofl->ofl_osverdef->os_shdr->sh_link = (Word)elf_ndxscn(strosp->os_scn);
27137c478bd9Sstevel@tonic-gate
27147c478bd9Sstevel@tonic-gate /*
27157c478bd9Sstevel@tonic-gate * The version definition sections `info' field is used to indicate the
27167c478bd9Sstevel@tonic-gate * number of entries in this section.
27177c478bd9Sstevel@tonic-gate */
27187c478bd9Sstevel@tonic-gate ofl->ofl_osverdef->os_shdr->sh_info = num;
27197c478bd9Sstevel@tonic-gate
27207c478bd9Sstevel@tonic-gate return (1);
27217c478bd9Sstevel@tonic-gate }
27227c478bd9Sstevel@tonic-gate
27237c478bd9Sstevel@tonic-gate /*
2724090a8d9eSAli Bahrami * Finish the version symbol index section
2725090a8d9eSAli Bahrami */
2726635216b6SRod Evans static void
update_oversym(Ofl_desc * ofl)2727090a8d9eSAli Bahrami update_oversym(Ofl_desc *ofl)
2728090a8d9eSAli Bahrami {
2729635216b6SRod Evans Os_desc *osp;
2730090a8d9eSAli Bahrami
2731090a8d9eSAli Bahrami /*
2732635216b6SRod Evans * Record the symbol table associated with the version symbol table.
2733635216b6SRod Evans * The contents of the version symbol table are filled in during
2734635216b6SRod Evans * symbol update.
2735090a8d9eSAli Bahrami */
2736635216b6SRod Evans if (OFL_IS_STATIC_OBJ(ofl))
2737635216b6SRod Evans osp = ofl->ofl_ossymtab;
2738635216b6SRod Evans else
2739635216b6SRod Evans osp = ofl->ofl_osdynsym;
2740090a8d9eSAli Bahrami
2741090a8d9eSAli Bahrami /* LINTED */
2742635216b6SRod Evans ofl->ofl_osversym->os_shdr->sh_link = (Word)elf_ndxscn(osp->os_scn);
2743090a8d9eSAli Bahrami }
2744090a8d9eSAli Bahrami
2745090a8d9eSAli Bahrami /*
27467c478bd9Sstevel@tonic-gate * Build the version needed section
27477c478bd9Sstevel@tonic-gate */
27485aefb655Srie static int
update_overneed(Ofl_desc * ofl)27497c478bd9Sstevel@tonic-gate update_overneed(Ofl_desc *ofl)
27507c478bd9Sstevel@tonic-gate {
275157ef7aa9SRod Evans Aliste idx1;
27527c478bd9Sstevel@tonic-gate Ifl_desc *ifl;
27537c478bd9Sstevel@tonic-gate Verneed *vnd, *_vnd;
2754635216b6SRod Evans Os_desc *strosp;
2755635216b6SRod Evans Str_tbl *strtbl;
2756090a8d9eSAli Bahrami Word num = 0;
27577c478bd9Sstevel@tonic-gate
27587c478bd9Sstevel@tonic-gate _vnd = vnd = (Verneed *)ofl->ofl_osverneed->os_outdata->d_buf;
27597c478bd9Sstevel@tonic-gate
27607c478bd9Sstevel@tonic-gate /*
2761635216b6SRod Evans * Determine which string table is appropriate.
2762635216b6SRod Evans */
2763635216b6SRod Evans if (OFL_IS_STATIC_OBJ(ofl)) {
2764635216b6SRod Evans strosp = ofl->ofl_osstrtab;
2765635216b6SRod Evans strtbl = ofl->ofl_strtab;
2766635216b6SRod Evans } else {
2767635216b6SRod Evans strosp = ofl->ofl_osdynstr;
2768635216b6SRod Evans strtbl = ofl->ofl_dynstrtab;
2769635216b6SRod Evans }
2770635216b6SRod Evans
2771635216b6SRod Evans /*
27727c478bd9Sstevel@tonic-gate * Traverse the shared object list looking for dependencies that have
27737c478bd9Sstevel@tonic-gate * versions defined within them.
27747c478bd9Sstevel@tonic-gate */
277557ef7aa9SRod Evans for (APLIST_TRAVERSE(ofl->ofl_sos, idx1, ifl)) {
27767c478bd9Sstevel@tonic-gate Half _cnt;
2777090a8d9eSAli Bahrami Word cnt = 0;
27787c478bd9Sstevel@tonic-gate Vernaux *_vnap, *vnap;
2779cce0e03bSab196087 size_t stoff;
27807c478bd9Sstevel@tonic-gate
27817c478bd9Sstevel@tonic-gate if (!(ifl->ifl_flags & FLG_IF_VERNEED))
27827c478bd9Sstevel@tonic-gate continue;
27837c478bd9Sstevel@tonic-gate
27847c478bd9Sstevel@tonic-gate vnd->vn_version = VER_NEED_CURRENT;
27857c478bd9Sstevel@tonic-gate
2786635216b6SRod Evans (void) st_setstring(strtbl, ifl->ifl_soname, &stoff);
27877c478bd9Sstevel@tonic-gate vnd->vn_file = stoff;
27887c478bd9Sstevel@tonic-gate
27897c478bd9Sstevel@tonic-gate _vnap = vnap = (Vernaux *)(vnd + 1);
27907c478bd9Sstevel@tonic-gate
27917c478bd9Sstevel@tonic-gate /*
27927c478bd9Sstevel@tonic-gate * Traverse the version index list recording
27937c478bd9Sstevel@tonic-gate * each version as a needed dependency.
27947c478bd9Sstevel@tonic-gate */
2795090a8d9eSAli Bahrami for (_cnt = 0; _cnt <= ifl->ifl_vercnt; _cnt++) {
27967c478bd9Sstevel@tonic-gate Ver_index *vip = &ifl->ifl_verndx[_cnt];
27977c478bd9Sstevel@tonic-gate
27987c478bd9Sstevel@tonic-gate if (vip->vi_flags & FLG_VER_REFER) {
2799635216b6SRod Evans (void) st_setstring(strtbl, vip->vi_name,
2800090a8d9eSAli Bahrami &stoff);
28017c478bd9Sstevel@tonic-gate vnap->vna_name = stoff;
280260758829Srie
28037c478bd9Sstevel@tonic-gate if (vip->vi_desc) {
2804090a8d9eSAli Bahrami vnap->vna_hash = vip->vi_desc->vd_hash;
28057c478bd9Sstevel@tonic-gate vnap->vna_flags =
28067c478bd9Sstevel@tonic-gate vip->vi_desc->vd_flags;
28077c478bd9Sstevel@tonic-gate } else {
28087c478bd9Sstevel@tonic-gate vnap->vna_hash = 0;
28097c478bd9Sstevel@tonic-gate vnap->vna_flags = 0;
28107c478bd9Sstevel@tonic-gate }
2811090a8d9eSAli Bahrami vnap->vna_other = vip->vi_overndx;
2812090a8d9eSAli Bahrami
2813090a8d9eSAli Bahrami /*
2814090a8d9eSAli Bahrami * If version A inherits version B, then
2815090a8d9eSAli Bahrami * B is implicit in A. It suffices for ld.so.1
2816090a8d9eSAli Bahrami * to verify A at runtime and skip B. The
2817090a8d9eSAli Bahrami * version normalization process sets the INFO
2818090a8d9eSAli Bahrami * flag for the versions we want ld.so.1 to
28194a8d0ea7SAli Bahrami * skip.
2820090a8d9eSAli Bahrami */
28214a8d0ea7SAli Bahrami if (vip->vi_flags & VER_FLG_INFO)
2822090a8d9eSAli Bahrami vnap->vna_flags |= VER_FLG_INFO;
28237c478bd9Sstevel@tonic-gate
28247c478bd9Sstevel@tonic-gate _vnap = vnap;
28257c478bd9Sstevel@tonic-gate vnap++, cnt++;
28267c478bd9Sstevel@tonic-gate _vnap->vna_next =
28277c478bd9Sstevel@tonic-gate /* LINTED */
2828090a8d9eSAli Bahrami (Word)((uintptr_t)vnap - (uintptr_t)_vnap);
28297c478bd9Sstevel@tonic-gate }
28307c478bd9Sstevel@tonic-gate }
2831090a8d9eSAli Bahrami
28327c478bd9Sstevel@tonic-gate _vnap->vna_next = 0;
28337c478bd9Sstevel@tonic-gate
28347c478bd9Sstevel@tonic-gate /*
28357c478bd9Sstevel@tonic-gate * Record the versions auxiliary array offset and
28367c478bd9Sstevel@tonic-gate * the associated dependency count.
28377c478bd9Sstevel@tonic-gate */
28387c478bd9Sstevel@tonic-gate /* LINTED */
28397c478bd9Sstevel@tonic-gate vnd->vn_aux = (Word)((uintptr_t)(vnd + 1) - (uintptr_t)vnd);
28407c478bd9Sstevel@tonic-gate /* LINTED */
28417c478bd9Sstevel@tonic-gate vnd->vn_cnt = (Half)cnt;
28427c478bd9Sstevel@tonic-gate
28437c478bd9Sstevel@tonic-gate /*
28447c478bd9Sstevel@tonic-gate * Record the next versions offset and update the version
28457c478bd9Sstevel@tonic-gate * pointer. Remember the previous version offset as the very
28467c478bd9Sstevel@tonic-gate * last structures next pointer should be null.
28477c478bd9Sstevel@tonic-gate */
28487c478bd9Sstevel@tonic-gate _vnd = vnd;
28497c478bd9Sstevel@tonic-gate vnd = (Verneed *)vnap, num++;
28507c478bd9Sstevel@tonic-gate /* LINTED */
28517c478bd9Sstevel@tonic-gate _vnd->vn_next = (Word)((uintptr_t)vnd - (uintptr_t)_vnd);
28527c478bd9Sstevel@tonic-gate }
28537c478bd9Sstevel@tonic-gate _vnd->vn_next = 0;
28547c478bd9Sstevel@tonic-gate
28557c478bd9Sstevel@tonic-gate /*
2856635216b6SRod Evans * Use sh_link to record the associated string table section, and
2857635216b6SRod Evans * sh_info to indicate the number of entries contained in the section.
28587c478bd9Sstevel@tonic-gate */
28597c478bd9Sstevel@tonic-gate /* LINTED */
2860635216b6SRod Evans ofl->ofl_osverneed->os_shdr->sh_link = (Word)elf_ndxscn(strosp->os_scn);
28617c478bd9Sstevel@tonic-gate ofl->ofl_osverneed->os_shdr->sh_info = num;
28627c478bd9Sstevel@tonic-gate
28637c478bd9Sstevel@tonic-gate return (1);
28647c478bd9Sstevel@tonic-gate }
28657c478bd9Sstevel@tonic-gate
28667c478bd9Sstevel@tonic-gate /*
28677c478bd9Sstevel@tonic-gate * Update syminfo section.
28687c478bd9Sstevel@tonic-gate */
28695aefb655Srie static uintptr_t
update_osyminfo(Ofl_desc * ofl)28707c478bd9Sstevel@tonic-gate update_osyminfo(Ofl_desc *ofl)
28717c478bd9Sstevel@tonic-gate {
28727c478bd9Sstevel@tonic-gate Os_desc *symosp, *infosp = ofl->ofl_ossyminfo;
28737c478bd9Sstevel@tonic-gate Syminfo *sip = infosp->os_outdata->d_buf;
28747c478bd9Sstevel@tonic-gate Shdr *shdr = infosp->os_shdr;
28757c478bd9Sstevel@tonic-gate char *strtab;
2876cce0e03bSab196087 Aliste idx;
287757ef7aa9SRod Evans Sym_desc *sdp;
28787c478bd9Sstevel@tonic-gate Sfltr_desc *sftp;
28797c478bd9Sstevel@tonic-gate
28807c478bd9Sstevel@tonic-gate if (ofl->ofl_flags & FLG_OF_RELOBJ) {
28817c478bd9Sstevel@tonic-gate symosp = ofl->ofl_ossymtab;
28827c478bd9Sstevel@tonic-gate strtab = ofl->ofl_osstrtab->os_outdata->d_buf;
28837c478bd9Sstevel@tonic-gate } else {
28847c478bd9Sstevel@tonic-gate symosp = ofl->ofl_osdynsym;
28857c478bd9Sstevel@tonic-gate strtab = ofl->ofl_osdynstr->os_outdata->d_buf;
28867c478bd9Sstevel@tonic-gate }
28877c478bd9Sstevel@tonic-gate
28887c478bd9Sstevel@tonic-gate /* LINTED */
28897c478bd9Sstevel@tonic-gate infosp->os_shdr->sh_link = (Word)elf_ndxscn(symosp->os_scn);
28907c478bd9Sstevel@tonic-gate if (ofl->ofl_osdynamic)
28917c478bd9Sstevel@tonic-gate infosp->os_shdr->sh_info =
28927c478bd9Sstevel@tonic-gate /* LINTED */
28937c478bd9Sstevel@tonic-gate (Word)elf_ndxscn(ofl->ofl_osdynamic->os_scn);
28947c478bd9Sstevel@tonic-gate
28957c478bd9Sstevel@tonic-gate /*
28967c478bd9Sstevel@tonic-gate * Update any references with the index into the dynamic table.
28977c478bd9Sstevel@tonic-gate */
2898635216b6SRod Evans for (APLIST_TRAVERSE(ofl->ofl_symdtent, idx, sdp))
2899635216b6SRod Evans sip[sdp->sd_symndx].si_boundto = sdp->sd_file->ifl_neededndx;
29007c478bd9Sstevel@tonic-gate
29017c478bd9Sstevel@tonic-gate /*
29027c478bd9Sstevel@tonic-gate * Update any filtee references with the index into the dynamic table.
29037c478bd9Sstevel@tonic-gate */
2904cce0e03bSab196087 for (ALIST_TRAVERSE(ofl->ofl_symfltrs, idx, sftp)) {
29057c478bd9Sstevel@tonic-gate Dfltr_desc *dftp;
29067c478bd9Sstevel@tonic-gate
2907cce0e03bSab196087 dftp = alist_item(ofl->ofl_dtsfltrs, sftp->sft_idx);
29087c478bd9Sstevel@tonic-gate sip[sftp->sft_sdp->sd_symndx].si_boundto = dftp->dft_ndx;
29097c478bd9Sstevel@tonic-gate }
29107c478bd9Sstevel@tonic-gate
29117c478bd9Sstevel@tonic-gate /*
29127c478bd9Sstevel@tonic-gate * Display debugging information about section.
29137c478bd9Sstevel@tonic-gate */
29145aefb655Srie DBG_CALL(Dbg_syminfo_title(ofl->ofl_lml));
29155aefb655Srie if (DBG_ENABLED) {
29165aefb655Srie Word _cnt, cnt = shdr->sh_size / shdr->sh_entsize;
29177c478bd9Sstevel@tonic-gate Sym *symtab = symosp->os_outdata->d_buf;
29187c478bd9Sstevel@tonic-gate Dyn *dyn;
29197c478bd9Sstevel@tonic-gate
29207c478bd9Sstevel@tonic-gate if (ofl->ofl_osdynamic)
29217c478bd9Sstevel@tonic-gate dyn = ofl->ofl_osdynamic->os_outdata->d_buf;
29227c478bd9Sstevel@tonic-gate else
292357ef7aa9SRod Evans dyn = NULL;
29247c478bd9Sstevel@tonic-gate
29257c478bd9Sstevel@tonic-gate for (_cnt = 1; _cnt < cnt; _cnt++) {
29267c478bd9Sstevel@tonic-gate if (sip[_cnt].si_flags || sip[_cnt].si_boundto)
29277c478bd9Sstevel@tonic-gate /* LINTED */
29285aefb655Srie DBG_CALL(Dbg_syminfo_entry(ofl->ofl_lml, _cnt,
29297c478bd9Sstevel@tonic-gate &sip[_cnt], &symtab[_cnt], strtab, dyn));
29307c478bd9Sstevel@tonic-gate }
29317c478bd9Sstevel@tonic-gate }
29327c478bd9Sstevel@tonic-gate return (1);
29337c478bd9Sstevel@tonic-gate }
29347c478bd9Sstevel@tonic-gate
29357c478bd9Sstevel@tonic-gate /*
29367c478bd9Sstevel@tonic-gate * Build the output elf header.
29377c478bd9Sstevel@tonic-gate */
29385aefb655Srie static uintptr_t
update_oehdr(Ofl_desc * ofl)29397c478bd9Sstevel@tonic-gate update_oehdr(Ofl_desc * ofl)
29407c478bd9Sstevel@tonic-gate {
29415aefb655Srie Ehdr *ehdr = ofl->ofl_nehdr;
29427c478bd9Sstevel@tonic-gate
29437c478bd9Sstevel@tonic-gate /*
29447c478bd9Sstevel@tonic-gate * If an entry point symbol has already been established (refer
29457c478bd9Sstevel@tonic-gate * sym_validate()) simply update the elf header entry point with the
29467c478bd9Sstevel@tonic-gate * symbols value. If no entry point is defined it will have been filled
29477c478bd9Sstevel@tonic-gate * with the start address of the first section within the text segment
29487c478bd9Sstevel@tonic-gate * (refer update_outfile()).
29497c478bd9Sstevel@tonic-gate */
29507c478bd9Sstevel@tonic-gate if (ofl->ofl_entry)
29517c478bd9Sstevel@tonic-gate ehdr->e_entry =
29527c478bd9Sstevel@tonic-gate ((Sym_desc *)(ofl->ofl_entry))->sd_sym->st_value;
29537c478bd9Sstevel@tonic-gate
295498c080d5SRod Evans ehdr->e_ident[EI_DATA] = ld_targ.t_m.m_data;
295598c080d5SRod Evans ehdr->e_version = ofl->ofl_dehdr->e_version;
295698c080d5SRod Evans
29577c478bd9Sstevel@tonic-gate /*
295898c080d5SRod Evans * When generating a relocatable object under -z symbolcap, set the
295998c080d5SRod Evans * e_machine to be generic, and remove any e_flags. Input relocatable
296098c080d5SRod Evans * objects may identify alternative e_machine (m.machplus) and e_flags
296198c080d5SRod Evans * values. However, the functions within the created output object
296298c080d5SRod Evans * are selected at runtime using the capabilities mechanism, which
296398c080d5SRod Evans * supersedes the e-machine and e_flags information. Therefore,
296498c080d5SRod Evans * e_machine and e_flag values are not propagated to the output object,
296598c080d5SRod Evans * as these values might prevent the kernel from loading the object
296698c080d5SRod Evans * before the runtime linker gets control.
296798c080d5SRod Evans */
296898c080d5SRod Evans if (ofl->ofl_flags & FLG_OF_OTOSCAP) {
296998c080d5SRod Evans ehdr->e_machine = ld_targ.t_m.m_mach;
297098c080d5SRod Evans ehdr->e_flags = 0;
297198c080d5SRod Evans } else {
297298c080d5SRod Evans /*
297398c080d5SRod Evans * Note. it may be necessary to update the e_flags field in the
29747c478bd9Sstevel@tonic-gate * machine dependent section.
29757c478bd9Sstevel@tonic-gate */
29765aefb655Srie ehdr->e_machine = ofl->ofl_dehdr->e_machine;
29775aefb655Srie ehdr->e_flags = ofl->ofl_dehdr->e_flags;
29785aefb655Srie
2979ba2be530Sab196087 if (ehdr->e_machine != ld_targ.t_m.m_mach) {
2980ba2be530Sab196087 if (ehdr->e_machine != ld_targ.t_m.m_machplus)
29817c478bd9Sstevel@tonic-gate return (S_ERROR);
2982ba2be530Sab196087 if ((ehdr->e_flags & ld_targ.t_m.m_flagsplus) == 0)
29837c478bd9Sstevel@tonic-gate return (S_ERROR);
29847c478bd9Sstevel@tonic-gate }
298598c080d5SRod Evans }
29867c478bd9Sstevel@tonic-gate
29877c478bd9Sstevel@tonic-gate if (ofl->ofl_flags & FLG_OF_SHAROBJ)
29887c478bd9Sstevel@tonic-gate ehdr->e_type = ET_DYN;
29897c478bd9Sstevel@tonic-gate else if (ofl->ofl_flags & FLG_OF_RELOBJ)
29907c478bd9Sstevel@tonic-gate ehdr->e_type = ET_REL;
29917c478bd9Sstevel@tonic-gate else
29927c478bd9Sstevel@tonic-gate ehdr->e_type = ET_EXEC;
29937c478bd9Sstevel@tonic-gate
29947c478bd9Sstevel@tonic-gate return (1);
29957c478bd9Sstevel@tonic-gate }
29967c478bd9Sstevel@tonic-gate
29977c478bd9Sstevel@tonic-gate /*
29987c478bd9Sstevel@tonic-gate * Perform move table expansion.
29997c478bd9Sstevel@tonic-gate */
300057ef7aa9SRod Evans static void
expand_move(Ofl_desc * ofl,Sym_desc * sdp,Move * mvp)300157ef7aa9SRod Evans expand_move(Ofl_desc *ofl, Sym_desc *sdp, Move *mvp)
30027c478bd9Sstevel@tonic-gate {
30037c478bd9Sstevel@tonic-gate Os_desc *osp;
300457ef7aa9SRod Evans uchar_t *taddr, *taddr0;
30057c478bd9Sstevel@tonic-gate Sxword offset;
300657ef7aa9SRod Evans Half cnt;
300757ef7aa9SRod Evans uint_t stride;
30087c478bd9Sstevel@tonic-gate
300935450702SAli Bahrami osp = ofl->ofl_isparexpn->is_osdesc;
3010b26cc8daSAli Bahrami offset = sdp->sd_sym->st_value - osp->os_shdr->sh_addr;
301157ef7aa9SRod Evans
301257ef7aa9SRod Evans taddr0 = taddr = osp->os_outdata->d_buf;
30137c478bd9Sstevel@tonic-gate taddr += offset;
301457ef7aa9SRod Evans taddr = taddr + mvp->m_poffset;
301557ef7aa9SRod Evans
301657ef7aa9SRod Evans for (cnt = 0; cnt < mvp->m_repeat; cnt++) {
30177c478bd9Sstevel@tonic-gate /* LINTED */
301857ef7aa9SRod Evans DBG_CALL(Dbg_move_expand(ofl->ofl_lml, mvp,
30195aefb655Srie (Addr)(taddr - taddr0)));
302057ef7aa9SRod Evans stride = (uint_t)mvp->m_stride + 1;
302157ef7aa9SRod Evans
302257ef7aa9SRod Evans /*
302357ef7aa9SRod Evans * Update the target address based upon the move entry size.
302457ef7aa9SRod Evans * This size was validated in ld_process_move().
302557ef7aa9SRod Evans */
30267c478bd9Sstevel@tonic-gate /* LINTED */
302757ef7aa9SRod Evans switch (ELF_M_SIZE(mvp->m_info)) {
30287c478bd9Sstevel@tonic-gate case 1:
30297c478bd9Sstevel@tonic-gate /* LINTED */
303057ef7aa9SRod Evans *taddr = (uchar_t)mvp->m_value;
30317c478bd9Sstevel@tonic-gate taddr += stride;
30327c478bd9Sstevel@tonic-gate break;
30337c478bd9Sstevel@tonic-gate case 2:
30347c478bd9Sstevel@tonic-gate /* LINTED */
303557ef7aa9SRod Evans *((Half *)taddr) = (Half)mvp->m_value;
30367c478bd9Sstevel@tonic-gate taddr += 2 * stride;
30377c478bd9Sstevel@tonic-gate break;
30387c478bd9Sstevel@tonic-gate case 4:
30397c478bd9Sstevel@tonic-gate /* LINTED */
304057ef7aa9SRod Evans *((Word *)taddr) = (Word)mvp->m_value;
30417c478bd9Sstevel@tonic-gate taddr += 4 * stride;
30427c478bd9Sstevel@tonic-gate break;
30437c478bd9Sstevel@tonic-gate case 8:
30447c478bd9Sstevel@tonic-gate /* LINTED */
304557ef7aa9SRod Evans *((u_longlong_t *)taddr) = mvp->m_value;
30467c478bd9Sstevel@tonic-gate taddr += 8 * stride;
30477c478bd9Sstevel@tonic-gate break;
30487c478bd9Sstevel@tonic-gate }
30497c478bd9Sstevel@tonic-gate }
30507c478bd9Sstevel@tonic-gate }
30517c478bd9Sstevel@tonic-gate
30527c478bd9Sstevel@tonic-gate /*
30537c478bd9Sstevel@tonic-gate * Update Move sections.
30547c478bd9Sstevel@tonic-gate */
305557ef7aa9SRod Evans static void
update_move(Ofl_desc * ofl)30567c478bd9Sstevel@tonic-gate update_move(Ofl_desc *ofl)
30577c478bd9Sstevel@tonic-gate {
30587c478bd9Sstevel@tonic-gate Word ndx = 0;
30591d9df23bSab196087 ofl_flag_t flags = ofl->ofl_flags;
306057ef7aa9SRod Evans Move *omvp;
306157ef7aa9SRod Evans Aliste idx1;
306257ef7aa9SRod Evans Sym_desc *sdp;
30637c478bd9Sstevel@tonic-gate
30647c478bd9Sstevel@tonic-gate /*
30657c478bd9Sstevel@tonic-gate * Determine the index of the symbol table that will be referenced by
306657ef7aa9SRod Evans * the Move section.
30677c478bd9Sstevel@tonic-gate */
30689039eeafSab196087 if (OFL_ALLOW_DYNSYM(ofl))
30697c478bd9Sstevel@tonic-gate /* LINTED */
30707c478bd9Sstevel@tonic-gate ndx = (Word) elf_ndxscn(ofl->ofl_osdynsym->os_scn);
30717c478bd9Sstevel@tonic-gate else if (!(flags & FLG_OF_STRIP) || (flags & FLG_OF_RELOBJ))
30727c478bd9Sstevel@tonic-gate /* LINTED */
30737c478bd9Sstevel@tonic-gate ndx = (Word) elf_ndxscn(ofl->ofl_ossymtab->os_scn);
30747c478bd9Sstevel@tonic-gate
30757c478bd9Sstevel@tonic-gate /*
307657ef7aa9SRod Evans * Update sh_link of the Move section, and point to the new Move data.
30777c478bd9Sstevel@tonic-gate */
30787c478bd9Sstevel@tonic-gate if (ofl->ofl_osmove) {
30797c478bd9Sstevel@tonic-gate ofl->ofl_osmove->os_shdr->sh_link = ndx;
308057ef7aa9SRod Evans omvp = (Move *)ofl->ofl_osmove->os_outdata->d_buf;
30817c478bd9Sstevel@tonic-gate }
30827c478bd9Sstevel@tonic-gate
30837c478bd9Sstevel@tonic-gate /*
30847c478bd9Sstevel@tonic-gate * Update symbol entry index
30857c478bd9Sstevel@tonic-gate */
308657ef7aa9SRod Evans for (APLIST_TRAVERSE(ofl->ofl_parsyms, idx1, sdp)) {
308757ef7aa9SRod Evans Aliste idx2;
308857ef7aa9SRod Evans Mv_desc *mdp;
30897c478bd9Sstevel@tonic-gate
30907c478bd9Sstevel@tonic-gate /*
30917c478bd9Sstevel@tonic-gate * Expand move table
30927c478bd9Sstevel@tonic-gate */
309357ef7aa9SRod Evans if (sdp->sd_flags & FLG_SY_PAREXPN) {
309457ef7aa9SRod Evans const char *str;
30957c478bd9Sstevel@tonic-gate
30961d9df23bSab196087 if (flags & FLG_OF_STATIC)
309757ef7aa9SRod Evans str = MSG_INTL(MSG_PSYM_EXPREASON1);
30987c478bd9Sstevel@tonic-gate else if (ofl->ofl_flags1 & FLG_OF1_NOPARTI)
309957ef7aa9SRod Evans str = MSG_INTL(MSG_PSYM_EXPREASON2);
31007c478bd9Sstevel@tonic-gate else
310157ef7aa9SRod Evans str = MSG_INTL(MSG_PSYM_EXPREASON3);
310257ef7aa9SRod Evans
31035aefb655Srie DBG_CALL(Dbg_move_parexpn(ofl->ofl_lml,
310457ef7aa9SRod Evans sdp->sd_name, str));
310557ef7aa9SRod Evans
310657ef7aa9SRod Evans for (ALIST_TRAVERSE(sdp->sd_move, idx2, mdp)) {
31075aefb655Srie DBG_CALL(Dbg_move_entry1(ofl->ofl_lml, 0,
310857ef7aa9SRod Evans mdp->md_move, sdp));
310957ef7aa9SRod Evans expand_move(ofl, sdp, mdp->md_move);
31107c478bd9Sstevel@tonic-gate }
31117c478bd9Sstevel@tonic-gate continue;
31127c478bd9Sstevel@tonic-gate }
31137c478bd9Sstevel@tonic-gate
31147c478bd9Sstevel@tonic-gate /*
31157c478bd9Sstevel@tonic-gate * Process move table
31167c478bd9Sstevel@tonic-gate */
311757ef7aa9SRod Evans DBG_CALL(Dbg_move_outmove(ofl->ofl_lml, sdp->sd_name));
311857ef7aa9SRod Evans
311957ef7aa9SRod Evans for (ALIST_TRAVERSE(sdp->sd_move, idx2, mdp)) {
312057ef7aa9SRod Evans Move *imvp;
31217c478bd9Sstevel@tonic-gate int idx = 1;
312260758829Srie Sym *sym;
312360758829Srie
312457ef7aa9SRod Evans imvp = mdp->md_move;
312560758829Srie sym = sdp->sd_sym;
31267c478bd9Sstevel@tonic-gate
312757ef7aa9SRod Evans DBG_CALL(Dbg_move_entry1(ofl->ofl_lml, 1, imvp, sdp));
312860758829Srie
312957ef7aa9SRod Evans *omvp = *imvp;
31301d9df23bSab196087 if ((flags & FLG_OF_RELOBJ) == 0) {
313160758829Srie if (ELF_ST_BIND(sym->st_info) == STB_LOCAL) {
313257ef7aa9SRod Evans Os_desc *osp = sdp->sd_isc->is_osdesc;
313357ef7aa9SRod Evans Word ndx = osp->os_identndx;
313460758829Srie
313557ef7aa9SRod Evans omvp->m_info =
31367c478bd9Sstevel@tonic-gate /* LINTED */
313757ef7aa9SRod Evans ELF_M_INFO(ndx, imvp->m_info);
313860758829Srie
313960758829Srie if (ELF_ST_TYPE(sym->st_info) !=
31407c478bd9Sstevel@tonic-gate STT_SECTION) {
314157ef7aa9SRod Evans omvp->m_poffset =
314257ef7aa9SRod Evans sym->st_value -
314357ef7aa9SRod Evans osp->os_shdr->sh_addr +
314457ef7aa9SRod Evans imvp->m_poffset;
31457c478bd9Sstevel@tonic-gate }
31467c478bd9Sstevel@tonic-gate } else {
314757ef7aa9SRod Evans omvp->m_info =
31487c478bd9Sstevel@tonic-gate /* LINTED */
3149d840867fSab196087 ELF_M_INFO(sdp->sd_symndx,
315057ef7aa9SRod Evans imvp->m_info);
31517c478bd9Sstevel@tonic-gate }
31527c478bd9Sstevel@tonic-gate } else {
31537c478bd9Sstevel@tonic-gate Boolean isredloc = FALSE;
31547c478bd9Sstevel@tonic-gate
315560758829Srie if ((ELF_ST_BIND(sym->st_info) == STB_LOCAL) &&
315644bac77bSrie (ofl->ofl_flags & FLG_OF_REDLSYM))
31577c478bd9Sstevel@tonic-gate isredloc = TRUE;
31587c478bd9Sstevel@tonic-gate
315957ef7aa9SRod Evans if (isredloc && !(sdp->sd_move)) {
316057ef7aa9SRod Evans Os_desc *osp = sdp->sd_isc->is_osdesc;
316157ef7aa9SRod Evans Word ndx = osp->os_identndx;
316260758829Srie
316357ef7aa9SRod Evans omvp->m_info =
31647c478bd9Sstevel@tonic-gate /* LINTED */
316557ef7aa9SRod Evans ELF_M_INFO(ndx, imvp->m_info);
316657ef7aa9SRod Evans
316757ef7aa9SRod Evans omvp->m_poffset += sym->st_value;
31687c478bd9Sstevel@tonic-gate } else {
31697c478bd9Sstevel@tonic-gate if (isredloc)
31705aefb655Srie DBG_CALL(Dbg_syms_reduce(ofl,
317157ef7aa9SRod Evans DBG_SYM_REDUCE_RETAIN,
317257ef7aa9SRod Evans sdp, idx,
3173d840867fSab196087 ofl->ofl_osmove->os_name));
31747c478bd9Sstevel@tonic-gate
317557ef7aa9SRod Evans omvp->m_info =
31767c478bd9Sstevel@tonic-gate /* LINTED */
3177d840867fSab196087 ELF_M_INFO(sdp->sd_symndx,
317857ef7aa9SRod Evans imvp->m_info);
31797c478bd9Sstevel@tonic-gate }
31807c478bd9Sstevel@tonic-gate }
318157ef7aa9SRod Evans
318257ef7aa9SRod Evans DBG_CALL(Dbg_move_entry1(ofl->ofl_lml, 0, omvp, sdp));
318357ef7aa9SRod Evans omvp++;
31847c478bd9Sstevel@tonic-gate idx++;
31857c478bd9Sstevel@tonic-gate }
31867c478bd9Sstevel@tonic-gate }
31877c478bd9Sstevel@tonic-gate }
31887c478bd9Sstevel@tonic-gate
31897c478bd9Sstevel@tonic-gate /*
319057ef7aa9SRod Evans * Scan through the SHT_GROUP output sections. Update their sh_link/sh_info
319157ef7aa9SRod Evans * fields as well as the section contents.
31927c478bd9Sstevel@tonic-gate */
31935aefb655Srie static uintptr_t
update_ogroup(Ofl_desc * ofl)31947c478bd9Sstevel@tonic-gate update_ogroup(Ofl_desc *ofl)
31957c478bd9Sstevel@tonic-gate {
319657ef7aa9SRod Evans Aliste idx;
31977c478bd9Sstevel@tonic-gate Os_desc *osp;
31987c478bd9Sstevel@tonic-gate uintptr_t error = 0;
31997c478bd9Sstevel@tonic-gate
320057ef7aa9SRod Evans for (APLIST_TRAVERSE(ofl->ofl_osgroups, idx, osp)) {
32017c478bd9Sstevel@tonic-gate Is_desc *isp;
32027c478bd9Sstevel@tonic-gate Ifl_desc *ifl;
32037c478bd9Sstevel@tonic-gate Shdr *shdr = osp->os_shdr;
32047c478bd9Sstevel@tonic-gate Sym_desc *sdp;
32057c478bd9Sstevel@tonic-gate Xword i, grpcnt;
32067c478bd9Sstevel@tonic-gate Word *gdata;
32077c478bd9Sstevel@tonic-gate
32087c478bd9Sstevel@tonic-gate /*
32097c478bd9Sstevel@tonic-gate * Since input GROUP sections always create unique
32107c478bd9Sstevel@tonic-gate * output GROUP sections - we know there is only one
32117c478bd9Sstevel@tonic-gate * item on the list.
32127c478bd9Sstevel@tonic-gate */
32131dd9d86fSAli Bahrami isp = ld_os_first_isdesc(osp);
32147c478bd9Sstevel@tonic-gate
32157c478bd9Sstevel@tonic-gate ifl = isp->is_file;
32167c478bd9Sstevel@tonic-gate sdp = ifl->ifl_oldndx[isp->is_shdr->sh_info];
32177c478bd9Sstevel@tonic-gate shdr->sh_link = (Word)elf_ndxscn(ofl->ofl_ossymtab->os_scn);
32187c478bd9Sstevel@tonic-gate shdr->sh_info = sdp->sd_symndx;
32197c478bd9Sstevel@tonic-gate
32207c478bd9Sstevel@tonic-gate /*
32217c478bd9Sstevel@tonic-gate * Scan through the group data section and update
32227c478bd9Sstevel@tonic-gate * all of the links to new values.
32237c478bd9Sstevel@tonic-gate */
32247c478bd9Sstevel@tonic-gate grpcnt = shdr->sh_size / shdr->sh_entsize;
32257c478bd9Sstevel@tonic-gate gdata = (Word *)osp->os_outdata->d_buf;
32260e233487SRod Evans
32277c478bd9Sstevel@tonic-gate for (i = 1; i < grpcnt; i++) {
32287c478bd9Sstevel@tonic-gate Os_desc *_osp;
32290e233487SRod Evans Is_desc *_isp = ifl->ifl_isdesc[gdata[i]];
32307c478bd9Sstevel@tonic-gate
32317c478bd9Sstevel@tonic-gate /*
32327c478bd9Sstevel@tonic-gate * If the referenced section didn't make it to the
32337c478bd9Sstevel@tonic-gate * output file - just zero out the entry.
32347c478bd9Sstevel@tonic-gate */
32350e233487SRod Evans if ((_osp = _isp->is_osdesc) == NULL)
32367c478bd9Sstevel@tonic-gate gdata[i] = 0;
32377c478bd9Sstevel@tonic-gate else
32387c478bd9Sstevel@tonic-gate gdata[i] = (Word)elf_ndxscn(_osp->os_scn);
32397c478bd9Sstevel@tonic-gate }
32407c478bd9Sstevel@tonic-gate }
32417c478bd9Sstevel@tonic-gate return (error);
32427c478bd9Sstevel@tonic-gate }
32437c478bd9Sstevel@tonic-gate
32445aefb655Srie static void
update_ostrtab(Os_desc * osp,Str_tbl * stp,uint_t extra)32453244bcaaSab196087 update_ostrtab(Os_desc *osp, Str_tbl *stp, uint_t extra)
32467c478bd9Sstevel@tonic-gate {
32477c478bd9Sstevel@tonic-gate Elf_Data *data;
32483244bcaaSab196087
324957ef7aa9SRod Evans if (osp == NULL)
32507c478bd9Sstevel@tonic-gate return;
32517c478bd9Sstevel@tonic-gate
32527c478bd9Sstevel@tonic-gate data = osp->os_outdata;
32533244bcaaSab196087 assert(data->d_size == (st_getstrtab_sz(stp) + extra));
3254cce0e03bSab196087 (void) st_setstrbuf(stp, data->d_buf, data->d_size - extra);
32553244bcaaSab196087 /* If leaving an extra hole at the end, zero it */
32563244bcaaSab196087 if (extra > 0)
32573244bcaaSab196087 (void) memset((char *)data->d_buf + data->d_size - extra,
32583244bcaaSab196087 0x0, extra);
32597c478bd9Sstevel@tonic-gate }
32607c478bd9Sstevel@tonic-gate
32617c478bd9Sstevel@tonic-gate /*
326208278a5eSRod Evans * Update capabilities information.
326308278a5eSRod Evans *
326408278a5eSRod Evans * If string table capabilities exist, then the associated string must be
326508278a5eSRod Evans * translated into an offset into the string table.
326608278a5eSRod Evans */
326708278a5eSRod Evans static void
update_oscap(Ofl_desc * ofl)326808278a5eSRod Evans update_oscap(Ofl_desc *ofl)
326908278a5eSRod Evans {
327008278a5eSRod Evans Os_desc *strosp, *cosp;
327108278a5eSRod Evans Cap *cap;
327208278a5eSRod Evans Str_tbl *strtbl;
327308278a5eSRod Evans Capstr *capstr;
327408278a5eSRod Evans size_t stoff;
327508278a5eSRod Evans Aliste idx1;
327608278a5eSRod Evans
327708278a5eSRod Evans /*
327808278a5eSRod Evans * Determine which symbol table or string table is appropriate.
327908278a5eSRod Evans */
328008278a5eSRod Evans if (OFL_IS_STATIC_OBJ(ofl)) {
328108278a5eSRod Evans strosp = ofl->ofl_osstrtab;
328208278a5eSRod Evans strtbl = ofl->ofl_strtab;
328308278a5eSRod Evans } else {
328408278a5eSRod Evans strosp = ofl->ofl_osdynstr;
328508278a5eSRod Evans strtbl = ofl->ofl_dynstrtab;
328608278a5eSRod Evans }
328708278a5eSRod Evans
328808278a5eSRod Evans /*
328908278a5eSRod Evans * If symbol capabilities exist, set the sh_link field of the .SUNW_cap
329008278a5eSRod Evans * section to the .SUNW_capinfo section.
329108278a5eSRod Evans */
329208278a5eSRod Evans if (ofl->ofl_oscapinfo) {
329308278a5eSRod Evans cosp = ofl->ofl_oscap;
329408278a5eSRod Evans cosp->os_shdr->sh_link =
329508278a5eSRod Evans (Word)elf_ndxscn(ofl->ofl_oscapinfo->os_scn);
329608278a5eSRod Evans }
329708278a5eSRod Evans
329808278a5eSRod Evans /*
329908278a5eSRod Evans * If there are capability strings to process, set the sh_info
330008278a5eSRod Evans * field of the .SUNW_cap section to the associated string table, and
330108278a5eSRod Evans * proceed to process any CA_SUNW_PLAT entries.
330208278a5eSRod Evans */
330308278a5eSRod Evans if ((ofl->ofl_flags & FLG_OF_CAPSTRS) == 0)
330408278a5eSRod Evans return;
330508278a5eSRod Evans
330608278a5eSRod Evans cosp = ofl->ofl_oscap;
330708278a5eSRod Evans cosp->os_shdr->sh_info = (Word)elf_ndxscn(strosp->os_scn);
330808278a5eSRod Evans
330908278a5eSRod Evans cap = ofl->ofl_oscap->os_outdata->d_buf;
331008278a5eSRod Evans
331108278a5eSRod Evans /*
331208278a5eSRod Evans * Determine whether an object capability identifier, or object
331308278a5eSRod Evans * machine/platform capabilities exists.
331408278a5eSRod Evans */
331508278a5eSRod Evans capstr = &ofl->ofl_ocapset.oc_id;
331608278a5eSRod Evans if (capstr->cs_str) {
331708278a5eSRod Evans (void) st_setstring(strtbl, capstr->cs_str, &stoff);
331808278a5eSRod Evans cap[capstr->cs_ndx].c_un.c_ptr = stoff;
331908278a5eSRod Evans }
332008278a5eSRod Evans for (ALIST_TRAVERSE(ofl->ofl_ocapset.oc_plat.cl_val, idx1, capstr)) {
332108278a5eSRod Evans (void) st_setstring(strtbl, capstr->cs_str, &stoff);
332208278a5eSRod Evans cap[capstr->cs_ndx].c_un.c_ptr = stoff;
332308278a5eSRod Evans }
332408278a5eSRod Evans for (ALIST_TRAVERSE(ofl->ofl_ocapset.oc_mach.cl_val, idx1, capstr)) {
332508278a5eSRod Evans (void) st_setstring(strtbl, capstr->cs_str, &stoff);
332608278a5eSRod Evans cap[capstr->cs_ndx].c_un.c_ptr = stoff;
332708278a5eSRod Evans }
332808278a5eSRod Evans
332908278a5eSRod Evans /*
333008278a5eSRod Evans * Determine any symbol capability identifiers, or machine/platform
333108278a5eSRod Evans * capabilities.
333208278a5eSRod Evans */
333308278a5eSRod Evans if (ofl->ofl_capgroups) {
333408278a5eSRod Evans Cap_group *cgp;
333508278a5eSRod Evans
333608278a5eSRod Evans for (APLIST_TRAVERSE(ofl->ofl_capgroups, idx1, cgp)) {
333708278a5eSRod Evans Objcapset *ocapset = &cgp->cg_set;
333808278a5eSRod Evans Aliste idx2;
333908278a5eSRod Evans
334008278a5eSRod Evans capstr = &ocapset->oc_id;
334108278a5eSRod Evans if (capstr->cs_str) {
334208278a5eSRod Evans (void) st_setstring(strtbl, capstr->cs_str,
334308278a5eSRod Evans &stoff);
334408278a5eSRod Evans cap[capstr->cs_ndx].c_un.c_ptr = stoff;
334508278a5eSRod Evans }
334608278a5eSRod Evans for (ALIST_TRAVERSE(ocapset->oc_plat.cl_val, idx2,
334708278a5eSRod Evans capstr)) {
334808278a5eSRod Evans (void) st_setstring(strtbl, capstr->cs_str,
334908278a5eSRod Evans &stoff);
335008278a5eSRod Evans cap[capstr->cs_ndx].c_un.c_ptr = stoff;
335108278a5eSRod Evans }
335208278a5eSRod Evans for (ALIST_TRAVERSE(ocapset->oc_mach.cl_val, idx2,
335308278a5eSRod Evans capstr)) {
335408278a5eSRod Evans (void) st_setstring(strtbl, capstr->cs_str,
335508278a5eSRod Evans &stoff);
335608278a5eSRod Evans cap[capstr->cs_ndx].c_un.c_ptr = stoff;
335708278a5eSRod Evans }
335808278a5eSRod Evans }
335908278a5eSRod Evans }
336008278a5eSRod Evans }
336108278a5eSRod Evans
336208278a5eSRod Evans /*
336308278a5eSRod Evans * Update the .SUNW_capinfo, and possibly the .SUNW_capchain sections.
336408278a5eSRod Evans */
336508278a5eSRod Evans static void
update_oscapinfo(Ofl_desc * ofl)336608278a5eSRod Evans update_oscapinfo(Ofl_desc *ofl)
336708278a5eSRod Evans {
336808278a5eSRod Evans Os_desc *symosp, *ciosp, *ccosp = NULL;
336908278a5eSRod Evans Capinfo *ocapinfo;
337008278a5eSRod Evans Capchain *ocapchain;
337108278a5eSRod Evans Cap_avlnode *cav;
337208278a5eSRod Evans Word chainndx = 0;
337308278a5eSRod Evans
337408278a5eSRod Evans /*
337508278a5eSRod Evans * Determine which symbol table is appropriate.
337608278a5eSRod Evans */
337708278a5eSRod Evans if (OFL_IS_STATIC_OBJ(ofl))
337808278a5eSRod Evans symosp = ofl->ofl_ossymtab;
337908278a5eSRod Evans else
338008278a5eSRod Evans symosp = ofl->ofl_osdynsym;
338108278a5eSRod Evans
338208278a5eSRod Evans /*
338308278a5eSRod Evans * Update the .SUNW_capinfo sh_link to point to the appropriate symbol
338408278a5eSRod Evans * table section. If we're creating a dynamic object, the
338508278a5eSRod Evans * .SUNW_capinfo sh_info is updated to point to the .SUNW_capchain
338608278a5eSRod Evans * section.
338708278a5eSRod Evans */
338808278a5eSRod Evans ciosp = ofl->ofl_oscapinfo;
338908278a5eSRod Evans ciosp->os_shdr->sh_link = (Word)elf_ndxscn(symosp->os_scn);
339008278a5eSRod Evans
339108278a5eSRod Evans if (OFL_IS_STATIC_OBJ(ofl) == 0) {
339208278a5eSRod Evans ccosp = ofl->ofl_oscapchain;
339308278a5eSRod Evans ciosp->os_shdr->sh_info = (Word)elf_ndxscn(ccosp->os_scn);
339408278a5eSRod Evans }
339508278a5eSRod Evans
339608278a5eSRod Evans /*
339708278a5eSRod Evans * Establish the data for each section. The first element of each
339808278a5eSRod Evans * section defines the section's version number.
339908278a5eSRod Evans */
340008278a5eSRod Evans ocapinfo = ciosp->os_outdata->d_buf;
340108278a5eSRod Evans ocapinfo[0] = CAPINFO_CURRENT;
340208278a5eSRod Evans if (ccosp) {
340308278a5eSRod Evans ocapchain = ccosp->os_outdata->d_buf;
340408278a5eSRod Evans ocapchain[chainndx++] = CAPCHAIN_CURRENT;
340508278a5eSRod Evans }
340608278a5eSRod Evans
340708278a5eSRod Evans /*
340808278a5eSRod Evans * Traverse all capabilities families. Each member has a .SUNW_capinfo
340908278a5eSRod Evans * assignment. The .SUNW_capinfo entry differs for relocatable objects
341008278a5eSRod Evans * and dynamic objects.
341108278a5eSRod Evans *
341208278a5eSRod Evans * Relocatable objects:
341308278a5eSRod Evans * ELF_C_GROUP ELF_C_SYM
341408278a5eSRod Evans *
341508278a5eSRod Evans * Family lead: CAPINFO_SUNW_GLOB lead symbol index
341608278a5eSRod Evans * Family lead alias: CAPINFO_SUNW_GLOB lead symbol index
341708278a5eSRod Evans * Family member: .SUNW_cap index lead symbol index
341808278a5eSRod Evans *
341908278a5eSRod Evans * Dynamic objects:
342008278a5eSRod Evans * ELF_C_GROUP ELF_C_SYM
342108278a5eSRod Evans *
342208278a5eSRod Evans * Family lead: CAPINFO_SUNW_GLOB .SUNW_capchain index
342308278a5eSRod Evans * Family lead alias: CAPINFO_SUNW_GLOB .SUNW_capchain index
342408278a5eSRod Evans * Family member: .SUNW_cap index lead symbol index
342508278a5eSRod Evans *
342608278a5eSRod Evans * The ELF_C_GROUP field identifies a capabilities symbol. Lead
342708278a5eSRod Evans * capability symbols, and lead capability aliases are identified by
342808278a5eSRod Evans * a CAPINFO_SUNW_GLOB group identifier. For family members, the
342908278a5eSRod Evans * ELF_C_GROUP provides an index to the associate capabilities group
343008278a5eSRod Evans * (i.e, an index into the SUNW_cap section that defines a group).
343108278a5eSRod Evans *
343208278a5eSRod Evans * For relocatable objects, the ELF_C_SYM field identifies the lead
343308278a5eSRod Evans * capability symbol. For the lead symbol itself, the .SUNW_capinfo
343408278a5eSRod Evans * index is the same as the ELF_C_SYM value. For lead alias symbols,
343508278a5eSRod Evans * the .SUNW_capinfo index differs from the ELF_C_SYM value. This
343608278a5eSRod Evans * differentiation of CAPINFO_SUNW_GLOB symbols allows ld(1) to
343708278a5eSRod Evans * identify, and propagate lead alias symbols. For example, the lead
343808278a5eSRod Evans * capability symbol memcpy() would have the ELF_C_SYM for memcpy(),
343908278a5eSRod Evans * and the lead alias _memcpy() would also have the ELF_C_SYM for
344008278a5eSRod Evans * memcpy().
344108278a5eSRod Evans *
344208278a5eSRod Evans * For dynamic objects, both a lead capability symbol, and alias symbol
344308278a5eSRod Evans * would have a ELF_C_SYM value that represents the same capability
344408278a5eSRod Evans * chain index. The capability chain allows ld.so.1 to traverse a
344508278a5eSRod Evans * family chain for a given lead symbol, and select the most appropriate
344608278a5eSRod Evans * family member. The .SUNW_capchain array contains a series of symbol
344708278a5eSRod Evans * indexes for each family member:
344808278a5eSRod Evans *
344908278a5eSRod Evans * chaincap[n] chaincap[n + 1] chaincap[n + 2] chaincap[n + x]
345008278a5eSRod Evans * foo() ndx foo%x() ndx foo%y() ndx 0
345108278a5eSRod Evans *
345208278a5eSRod Evans * For family members, the ELF_C_SYM value associates the capability
345308278a5eSRod Evans * members with their family lead symbol. This association, although
345408278a5eSRod Evans * unused within a dynamic object, allows ld(1) to identify, and
345508278a5eSRod Evans * propagate family members when processing relocatable objects.
345608278a5eSRod Evans */
345708278a5eSRod Evans for (cav = avl_first(ofl->ofl_capfamilies); cav;
345808278a5eSRod Evans cav = AVL_NEXT(ofl->ofl_capfamilies, cav)) {
345908278a5eSRod Evans Cap_sym *csp;
346008278a5eSRod Evans Aliste idx;
346108278a5eSRod Evans Sym_desc *asdp, *lsdp = cav->cn_symavlnode.sav_sdp;
346208278a5eSRod Evans
346308278a5eSRod Evans if (ccosp) {
346408278a5eSRod Evans /*
346508278a5eSRod Evans * For a dynamic object, identify this lead symbol, and
346608278a5eSRod Evans * point it to the head of a capability chain. Set the
346708278a5eSRod Evans * head of the capability chain to the same lead symbol.
346808278a5eSRod Evans */
346908278a5eSRod Evans ocapinfo[lsdp->sd_symndx] =
347008278a5eSRod Evans ELF_C_INFO(chainndx, CAPINFO_SUNW_GLOB);
347108278a5eSRod Evans ocapchain[chainndx] = lsdp->sd_symndx;
347208278a5eSRod Evans } else {
347308278a5eSRod Evans /*
347408278a5eSRod Evans * For a relocatable object, identify this lead symbol,
347508278a5eSRod Evans * and set the lead symbol index to itself.
347608278a5eSRod Evans */
347708278a5eSRod Evans ocapinfo[lsdp->sd_symndx] =
347808278a5eSRod Evans ELF_C_INFO(lsdp->sd_symndx, CAPINFO_SUNW_GLOB);
347908278a5eSRod Evans }
348008278a5eSRod Evans
348108278a5eSRod Evans /*
348208278a5eSRod Evans * Gather any lead symbol aliases.
348308278a5eSRod Evans */
348408278a5eSRod Evans for (APLIST_TRAVERSE(cav->cn_aliases, idx, asdp)) {
348508278a5eSRod Evans if (ccosp) {
348608278a5eSRod Evans /*
348708278a5eSRod Evans * For a dynamic object, identify this lead
348808278a5eSRod Evans * alias symbol, and point it to the same
348908278a5eSRod Evans * capability chain index as the lead symbol.
349008278a5eSRod Evans */
349108278a5eSRod Evans ocapinfo[asdp->sd_symndx] =
349208278a5eSRod Evans ELF_C_INFO(chainndx, CAPINFO_SUNW_GLOB);
349308278a5eSRod Evans } else {
349408278a5eSRod Evans /*
349508278a5eSRod Evans * For a relocatable object, identify this lead
349608278a5eSRod Evans * alias symbol, and set the lead symbol index
349708278a5eSRod Evans * to the lead symbol.
349808278a5eSRod Evans */
349908278a5eSRod Evans ocapinfo[asdp->sd_symndx] =
350008278a5eSRod Evans ELF_C_INFO(lsdp->sd_symndx,
350108278a5eSRod Evans CAPINFO_SUNW_GLOB);
350208278a5eSRod Evans }
350308278a5eSRod Evans }
350408278a5eSRod Evans
350508278a5eSRod Evans chainndx++;
350608278a5eSRod Evans
350708278a5eSRod Evans /*
350808278a5eSRod Evans * Gather the family members.
350908278a5eSRod Evans */
351008278a5eSRod Evans for (APLIST_TRAVERSE(cav->cn_members, idx, csp)) {
351108278a5eSRod Evans Sym_desc *msdp = csp->cs_sdp;
351208278a5eSRod Evans
351308278a5eSRod Evans /*
351408278a5eSRod Evans * Identify the members capability group, and the lead
351508278a5eSRod Evans * symbol of the family this symbol is a member of.
351608278a5eSRod Evans */
351708278a5eSRod Evans ocapinfo[msdp->sd_symndx] =
351808278a5eSRod Evans ELF_C_INFO(lsdp->sd_symndx, csp->cs_group->cg_ndx);
351908278a5eSRod Evans if (ccosp) {
352008278a5eSRod Evans /*
352108278a5eSRod Evans * For a dynamic object, set the next capability
352208278a5eSRod Evans * chain to point to this family member.
352308278a5eSRod Evans */
352408278a5eSRod Evans ocapchain[chainndx++] = msdp->sd_symndx;
352508278a5eSRod Evans }
352608278a5eSRod Evans }
352708278a5eSRod Evans
352808278a5eSRod Evans /*
352908278a5eSRod Evans * Any chain of family members is terminated with a 0 element.
353008278a5eSRod Evans */
353108278a5eSRod Evans if (ccosp)
353208278a5eSRod Evans ocapchain[chainndx++] = 0;
353308278a5eSRod Evans }
353408278a5eSRod Evans }
353508278a5eSRod Evans
353608278a5eSRod Evans /*
35377c478bd9Sstevel@tonic-gate * Translate the shdr->sh_{link, info} from its input section value to that
35387c478bd9Sstevel@tonic-gate * of the corresponding shdr->sh_{link, info} output section value.
35397c478bd9Sstevel@tonic-gate */
35405aefb655Srie static Word
translate_link(Ofl_desc * ofl,Os_desc * osp,Word link,const char * msg)35415aefb655Srie translate_link(Ofl_desc *ofl, Os_desc *osp, Word link, const char *msg)
35427c478bd9Sstevel@tonic-gate {
35437c478bd9Sstevel@tonic-gate Is_desc *isp;
35447c478bd9Sstevel@tonic-gate Ifl_desc *ifl;
35457c478bd9Sstevel@tonic-gate
35467c478bd9Sstevel@tonic-gate /*
35477c478bd9Sstevel@tonic-gate * Don't translate the special section numbers.
35487c478bd9Sstevel@tonic-gate */
35497c478bd9Sstevel@tonic-gate if (link >= SHN_LORESERVE)
35507c478bd9Sstevel@tonic-gate return (link);
35517c478bd9Sstevel@tonic-gate
35527c478bd9Sstevel@tonic-gate /*
35537c478bd9Sstevel@tonic-gate * Does this output section translate back to an input file. If not
35547c478bd9Sstevel@tonic-gate * then there is no translation to do. In this case we will assume that
35557c478bd9Sstevel@tonic-gate * if sh_link has a value, it's the right value.
35567c478bd9Sstevel@tonic-gate */
35571dd9d86fSAli Bahrami isp = ld_os_first_isdesc(osp);
35587c478bd9Sstevel@tonic-gate if ((ifl = isp->is_file) == NULL)
35597c478bd9Sstevel@tonic-gate return (link);
35607c478bd9Sstevel@tonic-gate
35617c478bd9Sstevel@tonic-gate /*
35627c478bd9Sstevel@tonic-gate * Sanity check to make sure that the sh_{link, info} value
35637c478bd9Sstevel@tonic-gate * is within range for the input file.
35647c478bd9Sstevel@tonic-gate */
35657c478bd9Sstevel@tonic-gate if (link >= ifl->ifl_shnum) {
3566*1007fd6fSAli Bahrami ld_eprintf(ofl, ERR_WARNING, msg, ifl->ifl_name,
35674a8d0ea7SAli Bahrami EC_WORD(isp->is_scnndx), isp->is_name, EC_XWORD(link));
35687c478bd9Sstevel@tonic-gate return (link);
35697c478bd9Sstevel@tonic-gate }
35707c478bd9Sstevel@tonic-gate
35717c478bd9Sstevel@tonic-gate /*
35727c478bd9Sstevel@tonic-gate * Follow the link to the input section.
35737c478bd9Sstevel@tonic-gate */
357457ef7aa9SRod Evans if ((isp = ifl->ifl_isdesc[link]) == NULL)
35757c478bd9Sstevel@tonic-gate return (0);
357657ef7aa9SRod Evans if ((osp = isp->is_osdesc) == NULL)
35777c478bd9Sstevel@tonic-gate return (0);
35787c478bd9Sstevel@tonic-gate
35797c478bd9Sstevel@tonic-gate /* LINTED */
35807c478bd9Sstevel@tonic-gate return ((Word)elf_ndxscn(osp->os_scn));
35817c478bd9Sstevel@tonic-gate }
35827c478bd9Sstevel@tonic-gate
35837c478bd9Sstevel@tonic-gate /*
35847c478bd9Sstevel@tonic-gate * Having created all of the necessary sections, segments, and associated
35857c478bd9Sstevel@tonic-gate * headers, fill in the program headers and update any other data in the
35867c478bd9Sstevel@tonic-gate * output image. Some general rules:
35877c478bd9Sstevel@tonic-gate *
358857ef7aa9SRod Evans * - If an interpreter is required always generate a PT_PHDR entry as
35897c478bd9Sstevel@tonic-gate * well. It is this entry that triggers the kernel into passing the
359070d3e49eSrie * interpreter an aux vector instead of just a file descriptor.
35917c478bd9Sstevel@tonic-gate *
359257ef7aa9SRod Evans * - When generating an image that will be interpreted (ie. a dynamic
35937c478bd9Sstevel@tonic-gate * executable, a shared object, or a static executable that has been
359470d3e49eSrie * provided with an interpreter - weird, but possible), make the initial
35957c478bd9Sstevel@tonic-gate * loadable segment include both the ehdr and phdr[]. Both of these
359670d3e49eSrie * tables are used by the interpreter therefore it seems more intuitive
35977c478bd9Sstevel@tonic-gate * to explicitly defined them as part of the mapped image rather than
359870d3e49eSrie * relying on page rounding by the interpreter to allow their access.
35997c478bd9Sstevel@tonic-gate *
360057ef7aa9SRod Evans * - When generating a static image that does not require an interpreter
36017c478bd9Sstevel@tonic-gate * have the first loadable segment indicate the address of the first
36027c478bd9Sstevel@tonic-gate * .section as the start address (things like /kernel/unix and ufsboot
36037c478bd9Sstevel@tonic-gate * expect this behavior).
36047c478bd9Sstevel@tonic-gate */
36057c478bd9Sstevel@tonic-gate uintptr_t
ld_update_outfile(Ofl_desc * ofl)36065aefb655Srie ld_update_outfile(Ofl_desc *ofl)
36077c478bd9Sstevel@tonic-gate {
3608bb3b4f6cSRod Evans Addr size, etext, vaddr;
360957ef7aa9SRod Evans Sg_desc *sgp;
361057ef7aa9SRod Evans Sg_desc *dtracesgp = NULL, *capsgp = NULL, *intpsgp = NULL;
3611cce0e03bSab196087 Os_desc *osp;
361257ef7aa9SRod Evans int phdrndx = 0, segndx = -1, secndx, intppndx, intpsndx;
3613d1827f25Srie int dtracepndx, dtracesndx, cappndx, capsndx;
36145aefb655Srie Ehdr *ehdr = ofl->ofl_nehdr;
36157c478bd9Sstevel@tonic-gate Shdr *hshdr;
361657ef7aa9SRod Evans Phdr *_phdr = NULL;
3617d1827f25Srie Word phdrsz = (ehdr->e_phnum * ehdr->e_phentsize), shscnndx;
36181d9df23bSab196087 ofl_flag_t flags = ofl->ofl_flags;
36191d9df23bSab196087 Word ehdrsz = ehdr->e_ehsize;
36207c478bd9Sstevel@tonic-gate Boolean nobits;
36217c478bd9Sstevel@tonic-gate Off offset;
362257ef7aa9SRod Evans Aliste idx1;
36237c478bd9Sstevel@tonic-gate
36247c478bd9Sstevel@tonic-gate /*
3625bb3b4f6cSRod Evans * Initialize the starting address for the first segment. Executables
3626bb3b4f6cSRod Evans * have different starting addresses depending upon the target ABI,
3627bb3b4f6cSRod Evans * where as shared objects have a starting address of 0. If this is
3628bb3b4f6cSRod Evans * a 64-bit executable that is being constructed to run in a restricted
3629bb3b4f6cSRod Evans * address space, use an alternative origin that will provide more free
3630bb3b4f6cSRod Evans * address space for the the eventual process.
3631bb3b4f6cSRod Evans */
3632bb3b4f6cSRod Evans if (ofl->ofl_flags & FLG_OF_EXEC) {
3633bb3b4f6cSRod Evans #if defined(_ELF64)
363408278a5eSRod Evans if (ofl->ofl_ocapset.oc_sf_1.cm_val & SF1_SUNW_ADDR32)
3635bb3b4f6cSRod Evans vaddr = ld_targ.t_m.m_segm_aorigin;
3636bb3b4f6cSRod Evans else
3637bb3b4f6cSRod Evans #endif
3638bb3b4f6cSRod Evans vaddr = ld_targ.t_m.m_segm_origin;
3639bb3b4f6cSRod Evans } else
3640bb3b4f6cSRod Evans vaddr = 0;
3641bb3b4f6cSRod Evans
3642bb3b4f6cSRod Evans /*
36437c478bd9Sstevel@tonic-gate * Loop through the segment descriptors and pick out what we need.
36447c478bd9Sstevel@tonic-gate */
36455aefb655Srie DBG_CALL(Dbg_seg_title(ofl->ofl_lml));
364657ef7aa9SRod Evans for (APLIST_TRAVERSE(ofl->ofl_segs, idx1, sgp)) {
36477c478bd9Sstevel@tonic-gate Phdr *phdr = &(sgp->sg_phdr);
36487c478bd9Sstevel@tonic-gate Xword p_align;
364957ef7aa9SRod Evans Aliste idx2;
365069112eddSAli Bahrami Sym_desc *sdp;
36517c478bd9Sstevel@tonic-gate
36527c478bd9Sstevel@tonic-gate segndx++;
36537c478bd9Sstevel@tonic-gate
36547c478bd9Sstevel@tonic-gate /*
36557c478bd9Sstevel@tonic-gate * If an interpreter is required generate a PT_INTERP and
36567c478bd9Sstevel@tonic-gate * PT_PHDR program header entry. The PT_PHDR entry describes
36577c478bd9Sstevel@tonic-gate * the program header table itself. This information will be
36587c478bd9Sstevel@tonic-gate * passed via the aux vector to the interpreter (ld.so.1).
36597c478bd9Sstevel@tonic-gate * The program header array is actually part of the first
36607c478bd9Sstevel@tonic-gate * loadable segment (and the PT_PHDR entry is the first entry),
36617c478bd9Sstevel@tonic-gate * therefore its virtual address isn't known until the first
36627c478bd9Sstevel@tonic-gate * loadable segment is processed.
36637c478bd9Sstevel@tonic-gate */
36647c478bd9Sstevel@tonic-gate if (phdr->p_type == PT_PHDR) {
36657c478bd9Sstevel@tonic-gate if (ofl->ofl_osinterp) {
36667c478bd9Sstevel@tonic-gate phdr->p_offset = ehdr->e_phoff;
36677c478bd9Sstevel@tonic-gate phdr->p_filesz = phdr->p_memsz = phdrsz;
3668d1827f25Srie
36695aefb655Srie DBG_CALL(Dbg_seg_entry(ofl, segndx, sgp));
36707c478bd9Sstevel@tonic-gate ofl->ofl_phdr[phdrndx++] = *phdr;
36717c478bd9Sstevel@tonic-gate }
36727c478bd9Sstevel@tonic-gate continue;
36737c478bd9Sstevel@tonic-gate }
36747c478bd9Sstevel@tonic-gate if (phdr->p_type == PT_INTERP) {
36757c478bd9Sstevel@tonic-gate if (ofl->ofl_osinterp) {
367657ef7aa9SRod Evans intpsgp = sgp;
367757ef7aa9SRod Evans intpsndx = segndx;
367857ef7aa9SRod Evans intppndx = phdrndx++;
36797c478bd9Sstevel@tonic-gate }
36807c478bd9Sstevel@tonic-gate continue;
36817c478bd9Sstevel@tonic-gate }
36827c478bd9Sstevel@tonic-gate
36837c478bd9Sstevel@tonic-gate /*
3684d1827f25Srie * If we are creating a PT_SUNWDTRACE segment, remember where
3685d1827f25Srie * the program header is. The header values are assigned after
3686d1827f25Srie * update_osym() has completed and the symbol table addresses
368728bda19cSRod Evans * have been updated.
36887c478bd9Sstevel@tonic-gate */
36897c478bd9Sstevel@tonic-gate if (phdr->p_type == PT_SUNWDTRACE) {
369028bda19cSRod Evans if (ofl->ofl_dtracesym &&
36917c478bd9Sstevel@tonic-gate ((flags & FLG_OF_RELOBJ) == 0)) {
3692d1827f25Srie dtracesgp = sgp;
3693d1827f25Srie dtracesndx = segndx;
3694d1827f25Srie dtracepndx = phdrndx++;
36957c478bd9Sstevel@tonic-gate }
36967c478bd9Sstevel@tonic-gate continue;
36977c478bd9Sstevel@tonic-gate }
36987c478bd9Sstevel@tonic-gate
36997c478bd9Sstevel@tonic-gate /*
37007c478bd9Sstevel@tonic-gate * If a hardware/software capabilities section is required,
37017c478bd9Sstevel@tonic-gate * generate the PT_SUNWCAP header. Note, as this comes before
37027c478bd9Sstevel@tonic-gate * the first loadable segment, we don't yet know its real
37037c478bd9Sstevel@tonic-gate * virtual address. This is updated later.
37047c478bd9Sstevel@tonic-gate */
37057c478bd9Sstevel@tonic-gate if (phdr->p_type == PT_SUNWCAP) {
370608278a5eSRod Evans if (ofl->ofl_oscap && (ofl->ofl_flags & FLG_OF_PTCAP) &&
370708278a5eSRod Evans ((flags & FLG_OF_RELOBJ) == 0)) {
3708d1827f25Srie capsgp = sgp;
3709d1827f25Srie capsndx = segndx;
3710d1827f25Srie cappndx = phdrndx++;
37117c478bd9Sstevel@tonic-gate }
37127c478bd9Sstevel@tonic-gate continue;
37137c478bd9Sstevel@tonic-gate }
37147c478bd9Sstevel@tonic-gate
37157c478bd9Sstevel@tonic-gate /*
37167c478bd9Sstevel@tonic-gate * As the dynamic program header occurs after the loadable
37177c478bd9Sstevel@tonic-gate * headers in the segment descriptor table, all the address
37187c478bd9Sstevel@tonic-gate * information for the .dynamic output section will have been
37197c478bd9Sstevel@tonic-gate * figured out by now.
37207c478bd9Sstevel@tonic-gate */
37217c478bd9Sstevel@tonic-gate if (phdr->p_type == PT_DYNAMIC) {
37229039eeafSab196087 if (OFL_ALLOW_DYNSYM(ofl)) {
37237c478bd9Sstevel@tonic-gate Shdr *shdr = ofl->ofl_osdynamic->os_shdr;
37247c478bd9Sstevel@tonic-gate
37257c478bd9Sstevel@tonic-gate phdr->p_vaddr = shdr->sh_addr;
37267c478bd9Sstevel@tonic-gate phdr->p_offset = shdr->sh_offset;
37277c478bd9Sstevel@tonic-gate phdr->p_filesz = shdr->sh_size;
3728ba2be530Sab196087 phdr->p_flags = ld_targ.t_m.m_dataseg_perm;
3729d1827f25Srie
37305aefb655Srie DBG_CALL(Dbg_seg_entry(ofl, segndx, sgp));
37317c478bd9Sstevel@tonic-gate ofl->ofl_phdr[phdrndx++] = *phdr;
37327c478bd9Sstevel@tonic-gate }
37337c478bd9Sstevel@tonic-gate continue;
37347c478bd9Sstevel@tonic-gate }
3735d1827f25Srie
3736d1827f25Srie /*
37377e16fca0SAli Bahrami * As the unwind (.eh_frame_hdr) program header occurs after
37387e16fca0SAli Bahrami * the loadable headers in the segment descriptor table, all
37397e16fca0SAli Bahrami * the address information for the .eh_frame output section
37407e16fca0SAli Bahrami * will have been figured out by now.
3741d1827f25Srie */
37427e16fca0SAli Bahrami if (phdr->p_type == PT_SUNW_UNWIND) {
37437c478bd9Sstevel@tonic-gate Shdr *shdr;
3744d1827f25Srie
37457e16fca0SAli Bahrami if (ofl->ofl_unwindhdr == NULL)
37467c478bd9Sstevel@tonic-gate continue;
3747d1827f25Srie
37487c478bd9Sstevel@tonic-gate shdr = ofl->ofl_unwindhdr->os_shdr;
37497c478bd9Sstevel@tonic-gate
37507c478bd9Sstevel@tonic-gate phdr->p_flags = PF_R;
37517c478bd9Sstevel@tonic-gate phdr->p_vaddr = shdr->sh_addr;
37527c478bd9Sstevel@tonic-gate phdr->p_memsz = shdr->sh_size;
37537c478bd9Sstevel@tonic-gate phdr->p_filesz = shdr->sh_size;
37547c478bd9Sstevel@tonic-gate phdr->p_offset = shdr->sh_offset;
37557c478bd9Sstevel@tonic-gate phdr->p_align = shdr->sh_addralign;
37567c478bd9Sstevel@tonic-gate phdr->p_paddr = 0;
37577c478bd9Sstevel@tonic-gate ofl->ofl_phdr[phdrndx++] = *phdr;
37587c478bd9Sstevel@tonic-gate continue;
37597c478bd9Sstevel@tonic-gate }
37607e16fca0SAli Bahrami
3761d1827f25Srie /*
376269112eddSAli Bahrami * The sunwstack program is used to convey non-default
376369112eddSAli Bahrami * flags for the process stack. Only emit it if it would
376469112eddSAli Bahrami * change the default.
376569112eddSAli Bahrami */
376669112eddSAli Bahrami if (phdr->p_type == PT_SUNWSTACK) {
3767a1926ac7SAli Bahrami if (((flags & FLG_OF_RELOBJ) == 0) &&
3768a1926ac7SAli Bahrami ((sgp->sg_flags & FLG_SG_DISABLED) == 0))
376969112eddSAli Bahrami ofl->ofl_phdr[phdrndx++] = *phdr;
377069112eddSAli Bahrami continue;
377169112eddSAli Bahrami }
377269112eddSAli Bahrami
377369112eddSAli Bahrami /*
3774d1827f25Srie * As the TLS program header occurs after the loadable
3775d1827f25Srie * headers in the segment descriptor table, all the address
3776d1827f25Srie * information for the .tls output section will have been
3777d1827f25Srie * figured out by now.
3778d1827f25Srie */
37797c478bd9Sstevel@tonic-gate if (phdr->p_type == PT_TLS) {
3780dd94ecefSrie Os_desc *tlsosp;
378108278a5eSRod Evans Shdr *lastfileshdr = NULL;
378208278a5eSRod Evans Shdr *firstshdr = NULL, *lastshdr;
378357ef7aa9SRod Evans Aliste idx;
37847c478bd9Sstevel@tonic-gate
378557ef7aa9SRod Evans if (ofl->ofl_ostlsseg == NULL)
37867c478bd9Sstevel@tonic-gate continue;
3787dd94ecefSrie
3788f79d60b6Srie /*
378908278a5eSRod Evans * Scan the output sections that have contributed TLS.
3790f79d60b6Srie * Remember the first and last so as to determine the
3791f79d60b6Srie * TLS memory size requirement. Remember the last
379208278a5eSRod Evans * progbits section to determine the TLS data
379308278a5eSRod Evans * contribution, which determines the TLS program
379408278a5eSRod Evans * header filesz.
3795f79d60b6Srie */
379657ef7aa9SRod Evans for (APLIST_TRAVERSE(ofl->ofl_ostlsseg, idx, tlsosp)) {
3797dd94ecefSrie Shdr *tlsshdr = tlsosp->os_shdr;
3798dd94ecefSrie
379957ef7aa9SRod Evans if (firstshdr == NULL)
3800f79d60b6Srie firstshdr = tlsshdr;
3801f79d60b6Srie if (tlsshdr->sh_type != SHT_NOBITS)
3802f79d60b6Srie lastfileshdr = tlsshdr;
3803f79d60b6Srie lastshdr = tlsshdr;
3804dd94ecefSrie }
3805dd94ecefSrie
38067c478bd9Sstevel@tonic-gate phdr->p_flags = PF_R | PF_W;
38077c478bd9Sstevel@tonic-gate phdr->p_vaddr = firstshdr->sh_addr;
38087c478bd9Sstevel@tonic-gate phdr->p_offset = firstshdr->sh_offset;
3809dd94ecefSrie phdr->p_align = firstshdr->sh_addralign;
3810f79d60b6Srie
381108278a5eSRod Evans /*
381208278a5eSRod Evans * Determine the initialized TLS data size. This
381308278a5eSRod Evans * address range is from the start of the TLS segment
381408278a5eSRod Evans * to the end of the last piece of initialized data.
381508278a5eSRod Evans */
3816f79d60b6Srie if (lastfileshdr)
3817f79d60b6Srie phdr->p_filesz = lastfileshdr->sh_offset +
3818f79d60b6Srie lastfileshdr->sh_size - phdr->p_offset;
3819f79d60b6Srie else
3820f79d60b6Srie phdr->p_filesz = 0;
3821f79d60b6Srie
382208278a5eSRod Evans /*
382308278a5eSRod Evans * Determine the total TLS memory size. This includes
382408278a5eSRod Evans * all TLS data and TLS uninitialized data. This
382508278a5eSRod Evans * address range is from the start of the TLS segment
382608278a5eSRod Evans * to the memory address of the last piece of
382708278a5eSRod Evans * uninitialized data.
382808278a5eSRod Evans */
382908278a5eSRod Evans phdr->p_memsz = lastshdr->sh_addr +
383008278a5eSRod Evans lastshdr->sh_size - phdr->p_vaddr;
3831dd94ecefSrie
38325aefb655Srie DBG_CALL(Dbg_seg_entry(ofl, segndx, sgp));
3833d1827f25Srie ofl->ofl_phdr[phdrndx] = *phdr;
3834d1827f25Srie ofl->ofl_tlsphdr = &ofl->ofl_phdr[phdrndx++];
38357c478bd9Sstevel@tonic-gate continue;
38367c478bd9Sstevel@tonic-gate }
38377c478bd9Sstevel@tonic-gate
38387c478bd9Sstevel@tonic-gate /*
38397c478bd9Sstevel@tonic-gate * If this is an empty segment declaration, it will occur after
3840d1827f25Srie * all other loadable segments. As empty segments can be
384108278a5eSRod Evans * defined with fixed addresses, make sure that no loadable
3842d1827f25Srie * segments overlap. This might occur as the object evolves
3843d1827f25Srie * and the loadable segments grow, thus encroaching upon an
3844d1827f25Srie * existing segment reservation.
3845d1827f25Srie *
3846d1827f25Srie * Segments are only created for dynamic objects, thus this
3847d1827f25Srie * checking can be skipped when building a relocatable object.
38487c478bd9Sstevel@tonic-gate */
38491d9df23bSab196087 if (!(flags & FLG_OF_RELOBJ) &&
38507c478bd9Sstevel@tonic-gate (sgp->sg_flags & FLG_SG_EMPTY)) {
38517c478bd9Sstevel@tonic-gate int i;
38527c478bd9Sstevel@tonic-gate Addr v_e;
38537c478bd9Sstevel@tonic-gate
38547c478bd9Sstevel@tonic-gate vaddr = phdr->p_vaddr;
38557c478bd9Sstevel@tonic-gate phdr->p_memsz = sgp->sg_length;
38565aefb655Srie DBG_CALL(Dbg_seg_entry(ofl, segndx, sgp));
38577c478bd9Sstevel@tonic-gate ofl->ofl_phdr[phdrndx++] = *phdr;
38587c478bd9Sstevel@tonic-gate
38597c478bd9Sstevel@tonic-gate if (phdr->p_type != PT_LOAD)
38607c478bd9Sstevel@tonic-gate continue;
38617c478bd9Sstevel@tonic-gate
38627c478bd9Sstevel@tonic-gate v_e = vaddr + phdr->p_memsz;
3863d1827f25Srie
38647c478bd9Sstevel@tonic-gate /*
38657c478bd9Sstevel@tonic-gate * Check overlaps
38667c478bd9Sstevel@tonic-gate */
38677c478bd9Sstevel@tonic-gate for (i = 0; i < phdrndx - 1; i++) {
38687c478bd9Sstevel@tonic-gate Addr p_s = (ofl->ofl_phdr[i]).p_vaddr;
38697c478bd9Sstevel@tonic-gate Addr p_e;
38707c478bd9Sstevel@tonic-gate
38717c478bd9Sstevel@tonic-gate if ((ofl->ofl_phdr[i]).p_type != PT_LOAD)
38727c478bd9Sstevel@tonic-gate continue;
38737c478bd9Sstevel@tonic-gate
38747c478bd9Sstevel@tonic-gate p_e = p_s + (ofl->ofl_phdr[i]).p_memsz;
38757c478bd9Sstevel@tonic-gate if (((p_s <= vaddr) && (p_e > vaddr)) ||
38767c478bd9Sstevel@tonic-gate ((vaddr <= p_s) && (v_e > p_s)))
3877*1007fd6fSAli Bahrami ld_eprintf(ofl, ERR_WARNING,
38787c478bd9Sstevel@tonic-gate MSG_INTL(MSG_UPD_SEGOVERLAP),
38795aefb655Srie ofl->ofl_name, EC_ADDR(p_e),
38805aefb655Srie sgp->sg_name, EC_ADDR(vaddr));
38817c478bd9Sstevel@tonic-gate }
38827c478bd9Sstevel@tonic-gate continue;
38837c478bd9Sstevel@tonic-gate }
38847c478bd9Sstevel@tonic-gate
38857c478bd9Sstevel@tonic-gate /*
38867c478bd9Sstevel@tonic-gate * Having processed any of the special program headers any
38877c478bd9Sstevel@tonic-gate * remaining headers will be built to express individual
38887c478bd9Sstevel@tonic-gate * segments. Segments are only built if they have output
38897c478bd9Sstevel@tonic-gate * section descriptors associated with them (ie. some form of
38907c478bd9Sstevel@tonic-gate * input section has been matched to this segment).
38917c478bd9Sstevel@tonic-gate */
38920bc07c75Srie if (sgp->sg_osdescs == NULL)
38937c478bd9Sstevel@tonic-gate continue;
38947c478bd9Sstevel@tonic-gate
38957c478bd9Sstevel@tonic-gate /*
38967c478bd9Sstevel@tonic-gate * Determine the segments offset and size from the section
38977c478bd9Sstevel@tonic-gate * information provided from elf_update().
38987c478bd9Sstevel@tonic-gate * Allow for multiple NOBITS sections.
38997c478bd9Sstevel@tonic-gate */
3900cce0e03bSab196087 osp = sgp->sg_osdescs->apl_data[0];
390154d82594Sseizo hshdr = osp->os_shdr;
39027c478bd9Sstevel@tonic-gate
39037c478bd9Sstevel@tonic-gate phdr->p_filesz = 0;
39047c478bd9Sstevel@tonic-gate phdr->p_memsz = 0;
39057c478bd9Sstevel@tonic-gate phdr->p_offset = offset = hshdr->sh_offset;
39060bc07c75Srie
390754d82594Sseizo nobits = ((hshdr->sh_type == SHT_NOBITS) &&
390854d82594Sseizo ((sgp->sg_flags & FLG_SG_PHREQ) == 0));
39090bc07c75Srie
391057ef7aa9SRod Evans for (APLIST_TRAVERSE(sgp->sg_osdescs, idx2, osp)) {
3911cce0e03bSab196087 Shdr *shdr = osp->os_shdr;
39127c478bd9Sstevel@tonic-gate
39137c478bd9Sstevel@tonic-gate p_align = 0;
39147c478bd9Sstevel@tonic-gate if (shdr->sh_addralign > p_align)
39157c478bd9Sstevel@tonic-gate p_align = shdr->sh_addralign;
39160bc07c75Srie
39177c478bd9Sstevel@tonic-gate offset = (Off)S_ROUND(offset, shdr->sh_addralign);
39187c478bd9Sstevel@tonic-gate offset += shdr->sh_size;
39190bc07c75Srie
39207c478bd9Sstevel@tonic-gate if (shdr->sh_type != SHT_NOBITS) {
39217c478bd9Sstevel@tonic-gate if (nobits) {
3922*1007fd6fSAli Bahrami ld_eprintf(ofl, ERR_FATAL,
39237c478bd9Sstevel@tonic-gate MSG_INTL(MSG_UPD_NOBITS));
39247c478bd9Sstevel@tonic-gate return (S_ERROR);
39257c478bd9Sstevel@tonic-gate }
39267c478bd9Sstevel@tonic-gate phdr->p_filesz = offset - phdr->p_offset;
392754d82594Sseizo } else if ((sgp->sg_flags & FLG_SG_PHREQ) == 0)
39287c478bd9Sstevel@tonic-gate nobits = TRUE;
39297c478bd9Sstevel@tonic-gate }
39307c478bd9Sstevel@tonic-gate phdr->p_memsz = offset - hshdr->sh_offset;
39317c478bd9Sstevel@tonic-gate
39327c478bd9Sstevel@tonic-gate /*
39337c478bd9Sstevel@tonic-gate * If this is the first loadable segment of a dynamic object,
393470d3e49eSrie * or an interpreter has been specified (a static object built
393570d3e49eSrie * with an interpreter will still be given a PT_HDR entry), then
39367c478bd9Sstevel@tonic-gate * compensate for the elf header and program header array. Both
39377c478bd9Sstevel@tonic-gate * of these are actually part of the loadable segment as they
393870d3e49eSrie * may be inspected by the interpreter. Adjust the segments
39397c478bd9Sstevel@tonic-gate * size and offset accordingly.
39407c478bd9Sstevel@tonic-gate */
394157ef7aa9SRod Evans if ((_phdr == NULL) && (phdr->p_type == PT_LOAD) &&
39427c478bd9Sstevel@tonic-gate ((ofl->ofl_osinterp) || (flags & FLG_OF_DYNAMIC)) &&
39434899432aSab196087 (!(ofl->ofl_dtflags_1 & DF_1_NOHDR))) {
39447c478bd9Sstevel@tonic-gate size = (Addr)S_ROUND((phdrsz + ehdrsz),
39457c478bd9Sstevel@tonic-gate hshdr->sh_addralign);
39467c478bd9Sstevel@tonic-gate phdr->p_offset -= size;
39477c478bd9Sstevel@tonic-gate phdr->p_filesz += size;
39487c478bd9Sstevel@tonic-gate phdr->p_memsz += size;
39497c478bd9Sstevel@tonic-gate }
39507c478bd9Sstevel@tonic-gate
39517c478bd9Sstevel@tonic-gate /*
395269112eddSAli Bahrami * If segment size symbols are required (specified via a
395369112eddSAli Bahrami * mapfile) update their value.
39547c478bd9Sstevel@tonic-gate */
395569112eddSAli Bahrami for (APLIST_TRAVERSE(sgp->sg_sizesym, idx2, sdp))
395669112eddSAli Bahrami sdp->sd_sym->st_value = phdr->p_memsz;
39577c478bd9Sstevel@tonic-gate
39587c478bd9Sstevel@tonic-gate /*
39597c478bd9Sstevel@tonic-gate * If no file content has been assigned to this segment (it
39607c478bd9Sstevel@tonic-gate * only contains no-bits sections), then reset the offset for
39617c478bd9Sstevel@tonic-gate * consistency.
39627c478bd9Sstevel@tonic-gate */
39637c478bd9Sstevel@tonic-gate if (phdr->p_filesz == 0)
39647c478bd9Sstevel@tonic-gate phdr->p_offset = 0;
39657c478bd9Sstevel@tonic-gate
39667c478bd9Sstevel@tonic-gate /*
39677c478bd9Sstevel@tonic-gate * If a virtual address has been specified for this segment
396869112eddSAli Bahrami * from a mapfile use it and make sure the previous segment
396969112eddSAli Bahrami * does not run into this segment.
39707c478bd9Sstevel@tonic-gate */
397135450702SAli Bahrami if (phdr->p_type == PT_LOAD) {
397269112eddSAli Bahrami if ((sgp->sg_flags & FLG_SG_P_VADDR)) {
39737c478bd9Sstevel@tonic-gate if (_phdr && (vaddr > phdr->p_vaddr) &&
39747c478bd9Sstevel@tonic-gate (phdr->p_type == PT_LOAD))
3975*1007fd6fSAli Bahrami ld_eprintf(ofl, ERR_WARNING,
39767c478bd9Sstevel@tonic-gate MSG_INTL(MSG_UPD_SEGOVERLAP),
39777c478bd9Sstevel@tonic-gate ofl->ofl_name, EC_ADDR(vaddr),
39787c478bd9Sstevel@tonic-gate sgp->sg_name,
39797c478bd9Sstevel@tonic-gate EC_ADDR(phdr->p_vaddr));
39807c478bd9Sstevel@tonic-gate vaddr = phdr->p_vaddr;
39817c478bd9Sstevel@tonic-gate phdr->p_align = 0;
39827c478bd9Sstevel@tonic-gate } else {
39837c478bd9Sstevel@tonic-gate vaddr = phdr->p_vaddr =
39847c478bd9Sstevel@tonic-gate (Addr)S_ROUND(vaddr, phdr->p_align);
39857c478bd9Sstevel@tonic-gate }
39867c478bd9Sstevel@tonic-gate }
39877c478bd9Sstevel@tonic-gate
39887c478bd9Sstevel@tonic-gate /*
39897c478bd9Sstevel@tonic-gate * Adjust the address offset and p_align if needed.
39907c478bd9Sstevel@tonic-gate */
399169112eddSAli Bahrami if (((sgp->sg_flags & FLG_SG_P_VADDR) == 0) &&
39923906e0c2Srie ((ofl->ofl_dtflags_1 & DF_1_NOHDR) == 0)) {
39937c478bd9Sstevel@tonic-gate if (phdr->p_align != 0)
39947c478bd9Sstevel@tonic-gate vaddr += phdr->p_offset % phdr->p_align;
39957c478bd9Sstevel@tonic-gate else
39967c478bd9Sstevel@tonic-gate vaddr += phdr->p_offset;
39977c478bd9Sstevel@tonic-gate phdr->p_vaddr = vaddr;
39987c478bd9Sstevel@tonic-gate }
39997c478bd9Sstevel@tonic-gate
40007c478bd9Sstevel@tonic-gate /*
40017c478bd9Sstevel@tonic-gate * If an interpreter is required set the virtual address of the
40027c478bd9Sstevel@tonic-gate * PT_PHDR program header now that we know the virtual address
40037c478bd9Sstevel@tonic-gate * of the loadable segment that contains it. Update the
40047c478bd9Sstevel@tonic-gate * PT_SUNWCAP header similarly.
40057c478bd9Sstevel@tonic-gate */
400657ef7aa9SRod Evans if ((_phdr == NULL) && (phdr->p_type == PT_LOAD)) {
40077c478bd9Sstevel@tonic-gate _phdr = phdr;
40087c478bd9Sstevel@tonic-gate
4009d1827f25Srie if ((ofl->ofl_dtflags_1 & DF_1_NOHDR) == 0) {
40107c478bd9Sstevel@tonic-gate if (ofl->ofl_osinterp)
40117c478bd9Sstevel@tonic-gate ofl->ofl_phdr[0].p_vaddr =
40127c478bd9Sstevel@tonic-gate vaddr + ehdrsz;
40137c478bd9Sstevel@tonic-gate
40147c478bd9Sstevel@tonic-gate /*
40157c478bd9Sstevel@tonic-gate * Finally, if we're creating a dynamic object
401670d3e49eSrie * (or a static object in which an interpreter
40177c478bd9Sstevel@tonic-gate * is specified) update the vaddr to reflect
40187c478bd9Sstevel@tonic-gate * the address of the first section within this
40197c478bd9Sstevel@tonic-gate * segment.
40207c478bd9Sstevel@tonic-gate */
40217c478bd9Sstevel@tonic-gate if ((ofl->ofl_osinterp) ||
40227c478bd9Sstevel@tonic-gate (flags & FLG_OF_DYNAMIC))
40237c478bd9Sstevel@tonic-gate vaddr += size;
40247c478bd9Sstevel@tonic-gate } else {
40257c478bd9Sstevel@tonic-gate /*
4026d1827f25Srie * If the DF_1_NOHDR flag was set, and an
4027d1827f25Srie * interpreter is being generated, the PT_PHDR
40287c478bd9Sstevel@tonic-gate * will not be part of any loadable segment.
40297c478bd9Sstevel@tonic-gate */
4030d1827f25Srie if (ofl->ofl_osinterp) {
40317c478bd9Sstevel@tonic-gate ofl->ofl_phdr[0].p_vaddr = 0;
40327c478bd9Sstevel@tonic-gate ofl->ofl_phdr[0].p_memsz = 0;
40337c478bd9Sstevel@tonic-gate ofl->ofl_phdr[0].p_flags = 0;
40347c478bd9Sstevel@tonic-gate }
40357c478bd9Sstevel@tonic-gate }
4036d1827f25Srie }
40377c478bd9Sstevel@tonic-gate
40387c478bd9Sstevel@tonic-gate /*
4039c1c6f601Srie * Ensure the ELF entry point defaults to zero. Typically, this
4040c1c6f601Srie * value is overridden in update_oehdr() to one of the standard
4041c1c6f601Srie * entry points. Historically, this default was set to the
4042c1c6f601Srie * address of first executable section, but this has since been
4043c1c6f601Srie * found to be more confusing than it is helpful.
40447c478bd9Sstevel@tonic-gate */
4045c1c6f601Srie ehdr->e_entry = 0;
40467c478bd9Sstevel@tonic-gate
40475aefb655Srie DBG_CALL(Dbg_seg_entry(ofl, segndx, sgp));
40487c478bd9Sstevel@tonic-gate
40497c478bd9Sstevel@tonic-gate /*
40507c478bd9Sstevel@tonic-gate * Traverse the output section descriptors for this segment so
40517c478bd9Sstevel@tonic-gate * that we can update the section headers addresses. We've
40527c478bd9Sstevel@tonic-gate * calculated the virtual address of the initial section within
40537c478bd9Sstevel@tonic-gate * this segment, so each successive section can be calculated
40547c478bd9Sstevel@tonic-gate * based on their offsets from each other.
40557c478bd9Sstevel@tonic-gate */
40567c478bd9Sstevel@tonic-gate secndx = 0;
40577c478bd9Sstevel@tonic-gate hshdr = 0;
405857ef7aa9SRod Evans for (APLIST_TRAVERSE(sgp->sg_osdescs, idx2, osp)) {
4059cce0e03bSab196087 Shdr *shdr = osp->os_shdr;
40607c478bd9Sstevel@tonic-gate
40617c478bd9Sstevel@tonic-gate if (shdr->sh_link)
406260758829Srie shdr->sh_link = translate_link(ofl, osp,
406360758829Srie shdr->sh_link, MSG_INTL(MSG_FIL_INVSHLINK));
40647c478bd9Sstevel@tonic-gate
40657c478bd9Sstevel@tonic-gate if (shdr->sh_info && (shdr->sh_flags & SHF_INFO_LINK))
406660758829Srie shdr->sh_info = translate_link(ofl, osp,
406760758829Srie shdr->sh_info, MSG_INTL(MSG_FIL_INVSHINFO));
40687c478bd9Sstevel@tonic-gate
40697c478bd9Sstevel@tonic-gate if (!(flags & FLG_OF_RELOBJ) &&
407035450702SAli Bahrami (phdr->p_type == PT_LOAD)) {
40717c478bd9Sstevel@tonic-gate if (hshdr)
40727c478bd9Sstevel@tonic-gate vaddr += (shdr->sh_offset -
40737c478bd9Sstevel@tonic-gate hshdr->sh_offset);
40747c478bd9Sstevel@tonic-gate
40757c478bd9Sstevel@tonic-gate shdr->sh_addr = vaddr;
40767c478bd9Sstevel@tonic-gate hshdr = shdr;
40777c478bd9Sstevel@tonic-gate }
40787c478bd9Sstevel@tonic-gate
40797c478bd9Sstevel@tonic-gate DBG_CALL(Dbg_seg_os(ofl, osp, secndx));
40807c478bd9Sstevel@tonic-gate secndx++;
40817c478bd9Sstevel@tonic-gate }
40827c478bd9Sstevel@tonic-gate
40837c478bd9Sstevel@tonic-gate /*
40847c478bd9Sstevel@tonic-gate * Establish the virtual address of the end of the last section
40857c478bd9Sstevel@tonic-gate * in this segment so that the next segments offset can be
40867c478bd9Sstevel@tonic-gate * calculated from this.
40877c478bd9Sstevel@tonic-gate */
40887c478bd9Sstevel@tonic-gate if (hshdr)
40897c478bd9Sstevel@tonic-gate vaddr += hshdr->sh_size;
40907c478bd9Sstevel@tonic-gate
40917c478bd9Sstevel@tonic-gate /*
40927c478bd9Sstevel@tonic-gate * Output sections for this segment complete. Adjust the
40937c478bd9Sstevel@tonic-gate * virtual offset for the last sections size, and make sure we
40947c478bd9Sstevel@tonic-gate * haven't exceeded any maximum segment length specification.
40957c478bd9Sstevel@tonic-gate */
40967c478bd9Sstevel@tonic-gate if ((sgp->sg_length != 0) && (sgp->sg_length < phdr->p_memsz)) {
4097*1007fd6fSAli Bahrami ld_eprintf(ofl, ERR_FATAL, MSG_INTL(MSG_UPD_LARGSIZE),
4098*1007fd6fSAli Bahrami ofl->ofl_name, sgp->sg_name,
4099*1007fd6fSAli Bahrami EC_XWORD(phdr->p_memsz), EC_XWORD(sgp->sg_length));
41007c478bd9Sstevel@tonic-gate return (S_ERROR);
41017c478bd9Sstevel@tonic-gate }
41027c478bd9Sstevel@tonic-gate
41037c478bd9Sstevel@tonic-gate if (phdr->p_type == PT_NOTE) {
41047c478bd9Sstevel@tonic-gate phdr->p_vaddr = 0;
41057c478bd9Sstevel@tonic-gate phdr->p_paddr = 0;
41067c478bd9Sstevel@tonic-gate phdr->p_align = 0;
41077c478bd9Sstevel@tonic-gate phdr->p_memsz = 0;
41087c478bd9Sstevel@tonic-gate }
4109d1827f25Srie
41107c478bd9Sstevel@tonic-gate if ((phdr->p_type != PT_NULL) && !(flags & FLG_OF_RELOBJ))
41117c478bd9Sstevel@tonic-gate ofl->ofl_phdr[phdrndx++] = *phdr;
41127c478bd9Sstevel@tonic-gate }
41137c478bd9Sstevel@tonic-gate
41147c478bd9Sstevel@tonic-gate /*
41157c478bd9Sstevel@tonic-gate * Update any new output sections. When building the initial output
41167c478bd9Sstevel@tonic-gate * image, a number of sections were created but left uninitialized (eg.
41177c478bd9Sstevel@tonic-gate * .dynsym, .dynstr, .symtab, .symtab, etc.). Here we update these
41187c478bd9Sstevel@tonic-gate * sections with the appropriate data. Other sections may still be
41197c478bd9Sstevel@tonic-gate * modified via reloc_process().
41207c478bd9Sstevel@tonic-gate *
412170d3e49eSrie * Copy the interpreter name into the .interp section.
41227c478bd9Sstevel@tonic-gate */
41237c478bd9Sstevel@tonic-gate if (ofl->ofl_interp)
41247c478bd9Sstevel@tonic-gate (void) strcpy((char *)ofl->ofl_osinterp->os_outdata->d_buf,
41257c478bd9Sstevel@tonic-gate ofl->ofl_interp);
41267c478bd9Sstevel@tonic-gate
41277c478bd9Sstevel@tonic-gate /*
41287c478bd9Sstevel@tonic-gate * Update the .shstrtab, .strtab and .dynstr sections.
41297c478bd9Sstevel@tonic-gate */
41303244bcaaSab196087 update_ostrtab(ofl->ofl_osshstrtab, ofl->ofl_shdrsttab, 0);
41313244bcaaSab196087 update_ostrtab(ofl->ofl_osstrtab, ofl->ofl_strtab, 0);
41323244bcaaSab196087 update_ostrtab(ofl->ofl_osdynstr, ofl->ofl_dynstrtab, DYNSTR_EXTRA_PAD);
41337c478bd9Sstevel@tonic-gate
41347c478bd9Sstevel@tonic-gate /*
41357c478bd9Sstevel@tonic-gate * Build any output symbol tables, the symbols information is copied
41367c478bd9Sstevel@tonic-gate * and updated into the new output image.
41377c478bd9Sstevel@tonic-gate */
41387c478bd9Sstevel@tonic-gate if ((etext = update_osym(ofl)) == (Addr)S_ERROR)
41397c478bd9Sstevel@tonic-gate return (S_ERROR);
41407c478bd9Sstevel@tonic-gate
41417c478bd9Sstevel@tonic-gate /*
414257ef7aa9SRod Evans * If we have an PT_INTERP phdr, update it now from the associated
414357ef7aa9SRod Evans * section information.
414457ef7aa9SRod Evans */
414557ef7aa9SRod Evans if (intpsgp) {
414657ef7aa9SRod Evans Phdr *phdr = &(intpsgp->sg_phdr);
414757ef7aa9SRod Evans Shdr *shdr = ofl->ofl_osinterp->os_shdr;
414857ef7aa9SRod Evans
414957ef7aa9SRod Evans phdr->p_vaddr = shdr->sh_addr;
415057ef7aa9SRod Evans phdr->p_offset = shdr->sh_offset;
415157ef7aa9SRod Evans phdr->p_memsz = phdr->p_filesz = shdr->sh_size;
415257ef7aa9SRod Evans phdr->p_flags = PF_R;
415357ef7aa9SRod Evans
415457ef7aa9SRod Evans DBG_CALL(Dbg_seg_entry(ofl, intpsndx, intpsgp));
415557ef7aa9SRod Evans ofl->ofl_phdr[intppndx] = *phdr;
415657ef7aa9SRod Evans }
415757ef7aa9SRod Evans
415857ef7aa9SRod Evans /*
41597c478bd9Sstevel@tonic-gate * If we have a PT_SUNWDTRACE phdr, update it now with the address of
41607c478bd9Sstevel@tonic-gate * the symbol. It's only now been updated via update_sym().
41617c478bd9Sstevel@tonic-gate */
4162635216b6SRod Evans if (dtracesgp) {
4163d1827f25Srie Phdr *aphdr, *phdr = &(dtracesgp->sg_phdr);
41647c478bd9Sstevel@tonic-gate Sym_desc *sdp = ofl->ofl_dtracesym;
41657c478bd9Sstevel@tonic-gate
4166d1827f25Srie phdr->p_vaddr = sdp->sd_sym->st_value;
4167d1827f25Srie phdr->p_memsz = sdp->sd_sym->st_size;
41687c478bd9Sstevel@tonic-gate
41697c478bd9Sstevel@tonic-gate /*
417008278a5eSRod Evans * Take permissions from the segment that the symbol is
417108278a5eSRod Evans * associated with.
41727c478bd9Sstevel@tonic-gate */
4173d1827f25Srie aphdr = &sdp->sd_isc->is_osdesc->os_sgdesc->sg_phdr;
4174d1827f25Srie assert(aphdr);
4175d1827f25Srie phdr->p_flags = aphdr->p_flags;
4176d1827f25Srie
4177d1827f25Srie DBG_CALL(Dbg_seg_entry(ofl, dtracesndx, dtracesgp));
4178d1827f25Srie ofl->ofl_phdr[dtracepndx] = *phdr;
4179d1827f25Srie }
4180d1827f25Srie
4181d1827f25Srie /*
4182d1827f25Srie * If we have a PT_SUNWCAP phdr, update it now from the associated
4183d1827f25Srie * section information.
4184d1827f25Srie */
4185635216b6SRod Evans if (capsgp) {
4186d1827f25Srie Phdr *phdr = &(capsgp->sg_phdr);
4187d1827f25Srie Shdr *shdr = ofl->ofl_oscap->os_shdr;
4188d1827f25Srie
4189d1827f25Srie phdr->p_vaddr = shdr->sh_addr;
4190d1827f25Srie phdr->p_offset = shdr->sh_offset;
419157ef7aa9SRod Evans phdr->p_memsz = phdr->p_filesz = shdr->sh_size;
4192d1827f25Srie phdr->p_flags = PF_R;
4193d1827f25Srie
4194d1827f25Srie DBG_CALL(Dbg_seg_entry(ofl, capsndx, capsgp));
4195d1827f25Srie ofl->ofl_phdr[cappndx] = *phdr;
41967c478bd9Sstevel@tonic-gate }
41977c478bd9Sstevel@tonic-gate
41987c478bd9Sstevel@tonic-gate /*
41997c478bd9Sstevel@tonic-gate * Update the GROUP sections.
42007c478bd9Sstevel@tonic-gate */
42017c478bd9Sstevel@tonic-gate if (update_ogroup(ofl) == S_ERROR)
42027c478bd9Sstevel@tonic-gate return (S_ERROR);
42037c478bd9Sstevel@tonic-gate
42047c478bd9Sstevel@tonic-gate /*
42057c478bd9Sstevel@tonic-gate * Update Move Table.
42067c478bd9Sstevel@tonic-gate */
420757ef7aa9SRod Evans if (ofl->ofl_osmove || ofl->ofl_isparexpn)
420857ef7aa9SRod Evans update_move(ofl);
42097c478bd9Sstevel@tonic-gate
42107c478bd9Sstevel@tonic-gate /*
42117c478bd9Sstevel@tonic-gate * Build any output headers, version information, dynamic structure and
42127c478bd9Sstevel@tonic-gate * syminfo structure.
42137c478bd9Sstevel@tonic-gate */
42147c478bd9Sstevel@tonic-gate if (update_oehdr(ofl) == S_ERROR)
42157c478bd9Sstevel@tonic-gate return (S_ERROR);
4216090a8d9eSAli Bahrami if (!(flags & FLG_OF_NOVERSEC)) {
4217090a8d9eSAli Bahrami if ((flags & FLG_OF_VERDEF) &&
4218090a8d9eSAli Bahrami (update_overdef(ofl) == S_ERROR))
42197c478bd9Sstevel@tonic-gate return (S_ERROR);
4220090a8d9eSAli Bahrami if ((flags & FLG_OF_VERNEED) &&
4221090a8d9eSAli Bahrami (update_overneed(ofl) == S_ERROR))
42227c478bd9Sstevel@tonic-gate return (S_ERROR);
4223635216b6SRod Evans if (flags & (FLG_OF_VERNEED | FLG_OF_VERDEF))
4224635216b6SRod Evans update_oversym(ofl);
4225090a8d9eSAli Bahrami }
42267c478bd9Sstevel@tonic-gate if (flags & FLG_OF_DYNAMIC) {
42277c478bd9Sstevel@tonic-gate if (update_odynamic(ofl) == S_ERROR)
42287c478bd9Sstevel@tonic-gate return (S_ERROR);
4229635216b6SRod Evans }
4230635216b6SRod Evans if (ofl->ofl_ossyminfo) {
42317c478bd9Sstevel@tonic-gate if (update_osyminfo(ofl) == S_ERROR)
42327c478bd9Sstevel@tonic-gate return (S_ERROR);
42337c478bd9Sstevel@tonic-gate }
42347c478bd9Sstevel@tonic-gate
42357c478bd9Sstevel@tonic-gate /*
423608278a5eSRod Evans * Update capabilities information if required.
423708278a5eSRod Evans */
423808278a5eSRod Evans if (ofl->ofl_oscap)
423908278a5eSRod Evans update_oscap(ofl);
424008278a5eSRod Evans if (ofl->ofl_oscapinfo)
424108278a5eSRod Evans update_oscapinfo(ofl);
424208278a5eSRod Evans
424308278a5eSRod Evans /*
4244635216b6SRod Evans * Sanity test: the first and last data byte of a string table
42451da7e599SAli Bahrami * must be NULL.
42461da7e599SAli Bahrami */
42471da7e599SAli Bahrami assert((ofl->ofl_osshstrtab == NULL) ||
42481da7e599SAli Bahrami (*((char *)ofl->ofl_osshstrtab->os_outdata->d_buf) == '\0'));
42491da7e599SAli Bahrami assert((ofl->ofl_osshstrtab == NULL) ||
42501da7e599SAli Bahrami (*(((char *)ofl->ofl_osshstrtab->os_outdata->d_buf) +
42511da7e599SAli Bahrami ofl->ofl_osshstrtab->os_outdata->d_size - 1) == '\0'));
42521da7e599SAli Bahrami
42531da7e599SAli Bahrami assert((ofl->ofl_osstrtab == NULL) ||
42541da7e599SAli Bahrami (*((char *)ofl->ofl_osstrtab->os_outdata->d_buf) == '\0'));
42551da7e599SAli Bahrami assert((ofl->ofl_osstrtab == NULL) ||
42561da7e599SAli Bahrami (*(((char *)ofl->ofl_osstrtab->os_outdata->d_buf) +
42571da7e599SAli Bahrami ofl->ofl_osstrtab->os_outdata->d_size - 1) == '\0'));
42581da7e599SAli Bahrami
42591da7e599SAli Bahrami assert((ofl->ofl_osdynstr == NULL) ||
42601da7e599SAli Bahrami (*((char *)ofl->ofl_osdynstr->os_outdata->d_buf) == '\0'));
42611da7e599SAli Bahrami assert((ofl->ofl_osdynstr == NULL) ||
42621da7e599SAli Bahrami (*(((char *)ofl->ofl_osdynstr->os_outdata->d_buf) +
42631da7e599SAli Bahrami ofl->ofl_osdynstr->os_outdata->d_size - DYNSTR_EXTRA_PAD - 1) ==
42641da7e599SAli Bahrami '\0'));
42651da7e599SAli Bahrami
42661da7e599SAli Bahrami /*
42677c478bd9Sstevel@tonic-gate * Emit Strtab diagnostics.
42687c478bd9Sstevel@tonic-gate */
42695aefb655Srie DBG_CALL(Dbg_sec_strtab(ofl->ofl_lml, ofl->ofl_osshstrtab,
42705aefb655Srie ofl->ofl_shdrsttab));
42715aefb655Srie DBG_CALL(Dbg_sec_strtab(ofl->ofl_lml, ofl->ofl_osstrtab,
42725aefb655Srie ofl->ofl_strtab));
42735aefb655Srie DBG_CALL(Dbg_sec_strtab(ofl->ofl_lml, ofl->ofl_osdynstr,
42745aefb655Srie ofl->ofl_dynstrtab));
42757c478bd9Sstevel@tonic-gate
42767c478bd9Sstevel@tonic-gate /*
42777c478bd9Sstevel@tonic-gate * Initialize the section headers string table index within the elf
42787c478bd9Sstevel@tonic-gate * header.
42797c478bd9Sstevel@tonic-gate */
42807c478bd9Sstevel@tonic-gate /* LINTED */
42817c478bd9Sstevel@tonic-gate if ((shscnndx = elf_ndxscn(ofl->ofl_osshstrtab->os_scn)) <
42827c478bd9Sstevel@tonic-gate SHN_LORESERVE) {
42835aefb655Srie ofl->ofl_nehdr->e_shstrndx =
42847c478bd9Sstevel@tonic-gate /* LINTED */
42857c478bd9Sstevel@tonic-gate (Half)shscnndx;
42867c478bd9Sstevel@tonic-gate } else {
42877c478bd9Sstevel@tonic-gate /*
42887c478bd9Sstevel@tonic-gate * If the STRTAB section index doesn't fit into
42897c478bd9Sstevel@tonic-gate * e_shstrndx, then we store it in 'shdr[0].st_link'.
42907c478bd9Sstevel@tonic-gate */
42917c478bd9Sstevel@tonic-gate Elf_Scn *scn;
42927c478bd9Sstevel@tonic-gate Shdr *shdr0;
42935aefb655Srie
42947c478bd9Sstevel@tonic-gate if ((scn = elf_getscn(ofl->ofl_elf, 0)) == NULL) {
4295*1007fd6fSAli Bahrami ld_eprintf(ofl, ERR_ELF, MSG_INTL(MSG_ELF_GETSCN),
4296*1007fd6fSAli Bahrami ofl->ofl_name);
42977c478bd9Sstevel@tonic-gate return (S_ERROR);
42987c478bd9Sstevel@tonic-gate }
42997c478bd9Sstevel@tonic-gate if ((shdr0 = elf_getshdr(scn)) == NULL) {
4300*1007fd6fSAli Bahrami ld_eprintf(ofl, ERR_ELF, MSG_INTL(MSG_ELF_GETSHDR),
4301*1007fd6fSAli Bahrami ofl->ofl_name);
43027c478bd9Sstevel@tonic-gate return (S_ERROR);
43037c478bd9Sstevel@tonic-gate }
43045aefb655Srie ofl->ofl_nehdr->e_shstrndx = SHN_XINDEX;
43057c478bd9Sstevel@tonic-gate shdr0->sh_link = shscnndx;
43067c478bd9Sstevel@tonic-gate }
43077c478bd9Sstevel@tonic-gate
43087c478bd9Sstevel@tonic-gate return ((uintptr_t)etext);
43097c478bd9Sstevel@tonic-gate }
4310