/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright (c) 1988 AT&T * All Rights Reserved * * Copyright 2006 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ /* * Local include file for ld library. */ #ifndef _LIBLD_DOT_H #define _LIBLD_DOT_H #pragma ident "%Z%%M% %I% %E% SMI" #include #include #include #include #ifdef __cplusplus extern "C" { #endif /* * Types of segment index. */ typedef enum { LD_PHDR, LD_INTERP, LD_SUNWCAP, LD_TEXT, LD_DATA, LD_BSS, #if (defined(__i386) || defined(__amd64)) && defined(_ELF64) LD_LRODATA, LD_LDATA, #endif LD_DYN, LD_DTRACE, LD_NOTE, LD_SUNWBSS, LD_TLS, #if defined(__x86) && defined(_ELF64) LD_UNWIND, #endif LD_EXTRA, LD_NUM } Segment_ndx; /* * Types of bss sections */ typedef enum { MAKE_BSS, MAKE_LBSS, MAKE_TLS } Bss_Type; /* * Structure to manage the update of weak symbols from their associated alias. */ typedef struct wk_desc { Sym *wk_symtab; /* the .symtab entry */ Sym *wk_dynsym; /* the .dynsym entry */ Sym_desc *wk_weak; /* the original weak symbol */ Sym_desc *wk_alias; /* the real symbol */ } Wk_desc; /* * Structure to manage the support library interfaces. */ typedef struct func_list { const char *fl_obj; /* name of support object */ /* function is from */ void (*fl_fptr)(); /* function pointer */ uint_t fl_version; /* ld_version() level */ } Func_list; typedef struct support_list { const char *sup_name; /* ld_support function name */ List sup_funcs; /* list of support functions */ } Support_list; /* * Structure to manage a sorted output relocation list. * * rl_key1 -> pointer to needed ndx * rl_key2 -> pointer to symbol relocation is against * rl_key3 -> virtual offset of relocation */ typedef struct reloc_list { Sym_desc *rl_key2; Xword rl_key3; Rel_desc *rl_rsp; Half rl_key1; } Reloc_list; typedef struct sym_s_list { Word sl_hval; Sym_desc * sl_sdp; } Sym_s_list; /* * ld heap management structure */ typedef struct _ld_heap Ld_heap; struct _ld_heap { Ld_heap *lh_next; void *lh_free; void *lh_end; }; #define HEAPBLOCK 0x68000 /* default allocation block size */ #define HEAPALIGN 0x8 /* heap blocks alignment requirement */ /* * Dynamic per-symbol filtee string table descriptor. This associates filtee * strings that will be created in the .dynstr, with .dynamic entries. */ typedef struct { char *dft_str; /* dynstr string */ Word dft_flag; /* auxiliary/filtee type */ Half dft_ndx; /* eventual ndx into .dynamic */ } Dfltr_desc; #define AL_CNT_DFLTR 4 #define AL_CNT_GROUP 20 /* * Per-symbol filtee descriptor. This associates symbol definitions with * their filtees. */ typedef struct { Sym_desc *sft_sdp; /* symbol descriptor */ Aliste sft_off; /* offset into dtstr descriptor */ } Sfltr_desc; #define AL_CNT_SFLTR 20 /* * Return codes for {tls|got}_fixups() routines */ typedef enum { FIX_ERROR, /* fatal error - time to punt */ FIX_DONE, /* relocation done - no further processing required */ FIX_RELOC /* do_reloc() relocation processing required */ } Fixupret; #ifndef FILENAME_MAX #define FILENAME_MAX BUFSIZ /* maximum length of a path name */ #endif /* * Relocation buckets are sized based on the number of input relocations and * the following constants. */ #define REL_HAIDESCNO 1000 /* high water mark active buckets */ #define REL_LAIDESCNO 50 /* low water mark active buckets */ #define REL_HOIDESCNO 500 /* high water mark output buckets */ #define REL_LOIDESCNO 10 /* low water mark output buckets */ extern char *Plibpath; extern char *Llibdir; extern char *Ulibdir; extern Ld_heap *ld_heap; extern List lib_support; extern int demangle_flag; extern const Msg reject[]; extern int Verbose; /* * For backward compatibility provide a /dev/zero file descriptor. */ extern int dz_fd; /* * Local functions. */ extern char *add_string(char *, char *); extern const char *demangle(const char *); extern void lds_atexit(Ofl_desc *, int); extern void libld_free(void *); extern void *libld_malloc(size_t); extern void *libld_realloc(void *, size_t); extern Listnode *list_appendc(List *, const void *); extern Listnode *list_insertc(List *, const void *, Listnode *); extern Listnode *list_prependc(List *, const void *); extern Listnode *list_where(List *, Word num); extern Sdf_desc *sdf_add(const char *, List *); extern Sdf_desc *sdf_find(const char *, List *); #if defined(_ELF64) #define ld_add_actrel ld64_add_actrel #define ld_add_libdir ld64_add_libdir #define ld_add_outrel ld64_add_outrel #define ld_adj_movereloc ld64_adj_movereloc #define ld_am_I_partial ld64_am_I_partial #define ld_ar_member ld64_ar_member #define ld_ar_setup ld64_ar_setup #if defined(sparc) #define ld_allocate_got ld64_allocate_got #endif #define ld_assign_got ld64_assign_got #define ld_assign_gotndx ld64_assign_gotndx #define ld_assign_plt_ndx ld64_assign_plt_ndx #define ld_calc_got_offset ld64_calc_got_offset #define ld_calc_plt_addr ld64_calc_plt_addr #define ld_disp_errmsg ld64_disp_errmsg #define ld_do_activerelocs ld64_do_activerelocs #define ld_ent_check ld64_ent_check #define ld_exit ld64_exit #define ld_fillin_gotplt ld64_fillin_gotplt #define ld_find_gotndx ld64_find_gotndx #define ld_find_library ld64_find_library #define ld_finish_libs ld64_finish_libs #define ld_get_group ld64_get_group #define ld_lib_setup ld64_lib_setup #define ld_init ld64_init #define ld_init_rel ld64_init_rel #define ld_is_regsym ld64_is_regsym #define ld_lcm ld64_lcm #define ld_mach_update_odynamic ld64_mach_update_odynamic #define ld_mach_eflags ld64_mach_eflags #define ld_mach_make_dynamic ld64_mach_make_dynamic #define ld_mach_sym_typecheck ld64_mach_sym_typecheck #define ld_make_bss ld64_make_bss #define ld_make_got ld64_make_got #define ld_map_out ld64_map_out #define ld_map_parse ld64_map_parse #define ld_make_sunwbss ld64_make_sunwbss #define ld_make_sunwdata ld64_make_sunwdata #define ld_make_sunwmove ld64_make_sunmove #define ld_open_outfile ld64_open_outfile #define ld_perform_outreloc ld64_perform_outreloc #define ld_place_section ld64_place_section #define ld_process_archive ld64_process_archive #define ld_process_files ld64_process_files #define ld_process_flags ld64_process_flags #define ld_process_ifl ld64_process_ifl #define ld_process_open ld64_process_open #define ld_process_ordered ld64_process_ordered #define ld_process_sym_reloc ld64_process_sym_reloc #define ld_reloc_local ld64_reloc_local #define ld_reloc_GOT_relative ld64_reloc_GOT_relative #define ld_reloc_GOTOP ld64_reloc_GOTOP #define ld_reloc_plt ld64_reloc_plt #define ld_reloc_register ld64_reloc_register #define ld_reloc_remain_entry ld64_reloc_remain_entry #define ld_reloc_TLS ld64_reloc_TLS #define ld_reg_check ld64_reg_check #define ld_reg_enter ld64_reg_enter #define ld_reg_find ld64_reg_find #define ld_sec_validate ld64_sec_validate #define ld_sort_ordered ld64_sort_ordered #define ld_sort_seg_list ld64_sort_seg_list #define ld_sunwmove_preprocess ld64_sunwmove_preprocess #define ld_sup_atexit ld64_sup_atexit #define ld_sup_file ld64_sup_file #define ld_sup_loadso ld64_sup_loadso #define ld_sup_input_done ld64_sup_input_done #define ld_sup_input_section ld64_sup_input_section #define ld_sup_section ld64_sup_section #define ld_sup_start ld64_sup_start #define ld_sym_add_u ld64_sym_add_u #define ld_sym_adjust_vis ld64_sym_adjust_vis #define ld_sym_avl_comp ld64_sym_avl_comp #define ld_sym_copy ld64_sym_copy #define ld_sym_enter ld64_sym_enter #define ld_sym_find ld64_sym_find #define ld_sym_nodirect ld64_sym_nodirect #define ld_sym_process ld64_sym_process #define ld_sym_resolve ld64_sym_resolve #define ld_sym_spec ld64_sym_spec #define ld_vers_base ld64_vers_base #define ld_vers_check_defs ld64_vers_check_defs #define ld_vers_check_need ld64_vers_check_need #define ld_vers_def_process ld64_vers_def_process #define ld_vers_desc ld64_vers_desc #define ld_vers_find ld64_vers_find #define ld_vers_need_process ld64_vers_need_process #define ld_vers_promote ld64_vers_promote #define ld_vers_sym_process ld64_vers_sym_process #define ld_vers_verify ld64_vers_verify #else #define ld_add_actrel ld32_add_actrel #define ld_add_libdir ld32_add_libdir #define ld_add_outrel ld32_add_outrel #define ld_adj_movereloc ld32_adj_movereloc #define ld_am_I_partial ld32_am_I_partial #define ld_ar_member ld32_ar_member #define ld_ar_setup ld32_ar_setup #if defined(sparc) #define ld_allocate_got ld32_allocate_got #endif #define ld_assign_got ld32_assign_got #define ld_assign_gotndx ld32_assign_gotndx #define ld_assign_plt_ndx ld32_assign_plt_ndx #define ld_calc_got_offset ld32_calc_got_offset #define ld_calc_plt_addr ld32_calc_plt_addr #define ld_disp_errmsg ld32_disp_errmsg #define ld_do_activerelocs ld32_do_activerelocs #define ld_ent_check ld32_ent_check #define ld_exit ld32_exit #define ld_fillin_gotplt ld32_fillin_gotplt #define ld_find_gotndx ld32_find_gotndx #define ld_find_library ld32_find_library #define ld_finish_libs ld32_finish_libs #define ld_get_group ld32_get_group #define ld_lib_setup ld32_lib_setup #define ld_init ld32_init #define ld_init_rel ld32_init_rel #define ld_is_regsym ld32_is_regsym #define ld_lcm ld32_lcm #define ld_mach_update_odynamic ld32_mach_update_odynamic #define ld_mach_eflags ld32_mach_eflags #define ld_mach_make_dynamic ld32_mach_make_dynamic #define ld_mach_sym_typecheck ld32_mach_sym_typecheck #define ld_make_bss ld32_make_bss #define ld_make_got ld32_make_got #define ld_map_out ld32_map_out #define ld_map_parse ld32_map_parse #define ld_make_sunwbss ld32_make_sunwbss #define ld_make_sunwdata ld32_make_sunwdata #define ld_make_sunwmove ld32_make_sunmove #define ld_open_outfile ld32_open_outfile #define ld_perform_outreloc ld32_perform_outreloc #define ld_place_section ld32_place_section #define ld_process_archive ld32_process_archive #define ld_process_files ld32_process_files #define ld_process_flags ld32_process_flags #define ld_process_ifl ld32_process_ifl #define ld_process_open ld32_process_open #define ld_process_ordered ld32_process_ordered #define ld_process_sym_reloc ld32_process_sym_reloc #define ld_reloc_local ld32_reloc_local #define ld_reloc_GOT_relative ld32_reloc_GOT_relative #define ld_reloc_GOTOP ld32_reloc_GOTOP #define ld_reloc_plt ld32_reloc_plt #define ld_reloc_register ld32_reloc_register #define ld_reloc_remain_entry ld32_reloc_remain_entry #define ld_reloc_TLS ld32_reloc_TLS #define ld_reg_check ld32_reg_check #define ld_reg_enter ld32_reg_enter #define ld_reg_find ld32_reg_find #define ld_sec_validate ld32_sec_validate #define ld_sort_ordered ld32_sort_ordered #define ld_sort_seg_list ld32_sort_seg_list #define ld_sunwmove_preprocess ld32_sunwmove_preprocess #define ld_sup_atexit ld32_sup_atexit #define ld_sup_file ld32_sup_file #define ld_sup_loadso ld32_sup_loadso #define ld_sup_input_done ld32_sup_input_done #define ld_sup_input_section ld32_sup_input_section #define ld_sup_section ld32_sup_section #define ld_sup_start ld32_sup_start #define ld_sym_add_u ld32_sym_add_u #define ld_sym_adjust_vis ld32_sym_adjust_vis #define ld_sym_avl_comp ld32_sym_avl_comp #define ld_sym_copy ld32_sym_copy #define ld_sym_enter ld32_sym_enter #define ld_sym_find ld32_sym_find #define ld_sym_nodirect ld32_sym_nodirect #define ld_sym_process ld32_sym_process #define ld_sym_resolve ld32_sym_resolve #define ld_sym_spec ld32_sym_spec #define ld_vers_base ld32_vers_base #define ld_vers_check_defs ld32_vers_check_defs #define ld_vers_check_need ld32_vers_check_need #define ld_vers_def_process ld32_vers_def_process #define ld_vers_desc ld32_vers_desc #define ld_vers_find ld32_vers_find #define ld_vers_need_process ld32_vers_need_process #define ld_vers_promote ld32_vers_promote #define ld_vers_sym_process ld32_vers_sym_process #define ld_vers_verify ld32_vers_verify #endif extern uintptr_t dbg_setup(const char *, Dbg_desc *, const char **, int); extern uintptr_t ld_add_actrel(Word, Rel_desc *, Ofl_desc *); extern uintptr_t ld_add_libdir(Ofl_desc *, const char *); extern uintptr_t ld_add_outrel(Word, Rel_desc *, Ofl_desc *); extern void ld_adj_movereloc(Ofl_desc *, Rel_desc *); extern Sym_desc * ld_am_I_partial(Rel_desc *, Xword); extern void ld_ar_member(Ar_desc *, Elf_Arsym *, Ar_aux *, Ar_mem *); extern Ar_desc *ld_ar_setup(const char *, Elf *, Ofl_desc *); #if defined(sparc) extern uintptr_t ld_allocate_got(Ofl_desc *); #endif extern uintptr_t ld_assign_got(Ofl_desc *, Sym_desc *); extern uintptr_t ld_assign_gotndx(List *, Gotndx *, Gotref, Ofl_desc *, Rel_desc *, Sym_desc *); extern void ld_assign_plt_ndx(Sym_desc *, Ofl_desc *); extern Xword ld_calc_got_offset(Rel_desc *, Ofl_desc *); extern Xword ld_calc_plt_addr(Sym_desc *, Ofl_desc *); extern void ld_disp_errmsg(const char *, Rel_desc *, Ofl_desc *); extern uintptr_t ld_do_activerelocs(Ofl_desc *); extern void ld_ent_check(Ofl_desc *); extern int ld_exit(Ofl_desc *); extern uintptr_t ld_fillin_gotplt(Ofl_desc *); extern Gotndx * ld_find_gotndx(List *, Gotref, Ofl_desc *, Rel_desc *); extern uintptr_t ld_find_library(const char *, Ofl_desc *); extern uintptr_t ld_finish_libs(Ofl_desc *); extern Group_desc * ld_get_group(Ofl_desc *, Is_desc *); extern uintptr_t ld_lib_setup(Ofl_desc *); extern void ld_init(Ofl_desc *); extern Word ld_init_rel(Rel_desc *, void *); extern const char *ld_is_regsym(Ofl_desc *, Ifl_desc *, Sym *, const char *, int, Word, const char *, Word *); extern Xword ld_lcm(Xword, Xword); extern void ld_mach_update_odynamic(Ofl_desc *, Dyn **); extern void ld_mach_eflags(Ehdr *, Ofl_desc *); extern void ld_mach_make_dynamic(Ofl_desc *, size_t *); extern int ld_mach_sym_typecheck(Sym_desc *, Sym *, Ifl_desc *, Ofl_desc *); extern uintptr_t ld_make_bss(Ofl_desc *, Xword, Xword, Bss_Type); extern uintptr_t ld_make_got(Ofl_desc *); extern void ld_map_out(Ofl_desc *); extern uintptr_t ld_map_parse(const char *, Ofl_desc *); extern uintptr_t ld_make_sunwbss(Ofl_desc *, size_t, Xword); extern uintptr_t ld_make_sunwdata(Ofl_desc *, size_t, Xword); extern uintptr_t ld_make_sunwmove(Ofl_desc *, int); extern uintptr_t ld_open_outfile(Ofl_desc *); extern uintptr_t ld_perform_outreloc(Rel_desc *, Ofl_desc *); extern Os_desc * ld_place_section(Ofl_desc *, Is_desc *, int, Word); extern uintptr_t ld_process_archive(const char *, int, Ar_desc *, Ofl_desc *); extern uintptr_t ld_process_files(Ofl_desc *, int, char **); extern uintptr_t ld_process_flags(Ofl_desc *, int, char **); extern Ifl_desc *ld_process_ifl(const char *, const char *, int, Elf *, Half, Ofl_desc *, Rej_desc *); extern Ifl_desc *ld_process_open(const char *, size_t, int, Ofl_desc *, Half, Rej_desc *); extern uintptr_t ld_process_ordered(Ifl_desc *, Ofl_desc *, Word, Word); extern uintptr_t ld_process_sym_reloc(Ofl_desc *, Rel_desc *, Rel *, Is_desc *, const char *); extern uintptr_t ld_reloc_local(Rel_desc *, Ofl_desc *); extern uintptr_t ld_reloc_GOT_relative(Boolean, Rel_desc *, Ofl_desc *); extern uintptr_t ld_reloc_GOTOP(Boolean, Rel_desc *, Ofl_desc *); extern uintptr_t ld_reloc_plt(Rel_desc *, Ofl_desc *); extern uintptr_t ld_reloc_register(Rel_desc *, Is_desc *, Ofl_desc *); extern void ld_reloc_remain_entry(Rel_desc *, Os_desc *, Ofl_desc *); extern uintptr_t ld_reloc_TLS(Boolean, Rel_desc *, Ofl_desc *); extern int ld_reg_check(Sym_desc *, Sym *, const char *, Ifl_desc *, Ofl_desc *); extern int ld_reg_enter(Sym_desc *, Ofl_desc *); extern Sym_desc * ld_reg_find(Sym *, Ofl_desc *); extern void ld_sec_validate(Ofl_desc *); extern uintptr_t ld_sort_ordered(Ofl_desc *); extern uintptr_t ld_sort_seg_list(Ofl_desc *); extern uintptr_t ld_sunwmove_preprocess(Ofl_desc *); extern void ld_sup_atexit(Ofl_desc *, int); extern void ld_sup_file(Ofl_desc *, const char *, const Elf_Kind, int flags, Elf *); extern uintptr_t ld_sup_loadso(Ofl_desc *, const char *); extern void ld_sup_input_done(Ofl_desc *); extern void ld_sup_section(Ofl_desc *, const char *, Shdr *, Word, Elf_Data *, Elf *); extern uintptr_t ld_sup_input_section(Ofl_desc*, const char *, Shdr **, Word, const char *, Elf_Scn *, Elf *); extern void ld_sup_start(Ofl_desc *, const Half, const char *); extern Sym_desc *ld_sym_add_u(const char *, Ofl_desc *); extern void ld_sym_adjust_vis(Sym_desc *, Ofl_desc *); extern int ld_sym_avl_comp(const void *, const void *); extern uintptr_t ld_sym_copy(Sym_desc *); extern Sym_desc *ld_sym_enter(const char *, Sym *, Word, Ifl_desc *, Ofl_desc *, Word, Word, Word, Half, avl_index_t *); extern Sym_desc *ld_sym_find(const char *, Word, avl_index_t *, Ofl_desc *); extern uintptr_t ld_sym_nodirect(Is_desc *, Ifl_desc *, Ofl_desc *); extern uintptr_t ld_sym_process(Is_desc *, Ifl_desc *, Ofl_desc *); extern uintptr_t ld_sym_resolve(Sym_desc *, Sym *, Ifl_desc *, Ofl_desc *, int, Word, Word); extern uintptr_t ld_sym_spec(Ofl_desc *); extern Ver_desc *ld_vers_base(Ofl_desc *); extern uintptr_t ld_vers_check_defs(Ofl_desc *); extern uintptr_t ld_vers_check_need(Ofl_desc *); extern uintptr_t ld_vers_def_process(Is_desc *, Ifl_desc *, Ofl_desc *); extern Ver_desc *ld_vers_desc(const char *, Word, List *); extern Ver_desc *ld_vers_find(const char *, Word, List *); extern uintptr_t ld_vers_need_process(Is_desc *, Ifl_desc *, Ofl_desc *); extern void ld_vers_promote(Sym_desc *, Word, Ifl_desc *, Ofl_desc *); extern int ld_vers_sym_process(Lm_list *, Is_desc *, Ifl_desc *); extern int ld_vers_verify(Ofl_desc *); extern uintptr_t add_regsym(Sym_desc *, Ofl_desc *); extern void *alist_append(Alist **, const void *, size_t, int); extern Word hashbkts(Word); extern Xword lcm(Xword, Xword); extern Listnode * list_where(List *, Word); /* * AMD64 - 64-bit specific functions */ #if (defined(__i386) || defined(__amd64)) && defined(_ELF64) extern uintptr_t append_amd64_unwind(Os_desc *, Ofl_desc *); extern uintptr_t make_amd64_unwindhdr(Ofl_desc *); extern uintptr_t populate_amd64_unwindhdr(Ofl_desc *); #endif #ifdef __cplusplus } #endif #endif /* _LIBLD_DOT_H */