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 */ 21c174926fSrie 227c478bd9Sstevel@tonic-gate /* 237c478bd9Sstevel@tonic-gate * Copyright (c) 1988 AT&T 247c478bd9Sstevel@tonic-gate * All Rights Reserved 257c478bd9Sstevel@tonic-gate * 26e38a713aSrie * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 277c478bd9Sstevel@tonic-gate * Use is subject to license terms. 287c478bd9Sstevel@tonic-gate */ 297c478bd9Sstevel@tonic-gate 307c478bd9Sstevel@tonic-gate #ifndef _LIBLD_H 317c478bd9Sstevel@tonic-gate #define _LIBLD_H 327c478bd9Sstevel@tonic-gate 337c478bd9Sstevel@tonic-gate #include <stdlib.h> 347c478bd9Sstevel@tonic-gate #include <libelf.h> 357c478bd9Sstevel@tonic-gate #include <sgs.h> 36ba2be530Sab196087 #include <_machelf.h> 377c478bd9Sstevel@tonic-gate #include <string_table.h> 387c478bd9Sstevel@tonic-gate #include <sys/avl.h> 397c478bd9Sstevel@tonic-gate #include <alist.h> 407c478bd9Sstevel@tonic-gate 417c478bd9Sstevel@tonic-gate #ifdef __cplusplus 427c478bd9Sstevel@tonic-gate extern "C" { 437c478bd9Sstevel@tonic-gate #endif 447c478bd9Sstevel@tonic-gate 457c478bd9Sstevel@tonic-gate /* 467c478bd9Sstevel@tonic-gate * Default directory search path manipulation for the link-editor. YLDIR 477c478bd9Sstevel@tonic-gate * indicates which directory in LIBPATH is replaced by the -YL option to cc 487c478bd9Sstevel@tonic-gate * and ld. YUDIR indicates which directory is replaced by -YU. 497c478bd9Sstevel@tonic-gate */ 507c478bd9Sstevel@tonic-gate #define YLDIR 1 517c478bd9Sstevel@tonic-gate #define YUDIR 2 527c478bd9Sstevel@tonic-gate 537c478bd9Sstevel@tonic-gate /* 547c478bd9Sstevel@tonic-gate * Define a hash value that can never be returned from elf_hash(). 557c478bd9Sstevel@tonic-gate */ 567c478bd9Sstevel@tonic-gate #define SYM_NOHASH (~(Word)0) 577c478bd9Sstevel@tonic-gate 587c478bd9Sstevel@tonic-gate /* 59240e56feSab196087 * Macro that can be used to represent both ORDER flags 60240e56feSab196087 * in a section header. 617c478bd9Sstevel@tonic-gate */ 627c478bd9Sstevel@tonic-gate #define ALL_SHF_ORDER (SHF_ORDERED | SHF_LINK_ORDER) 63240e56feSab196087 64240e56feSab196087 /* 65240e56feSab196087 * The linker merges (concatenates) sections with the same name and 66240e56feSab196087 * compatible section header flags. When comparing these flags, 67240e56feSab196087 * there are some that should not be included in the decision. 68240e56feSab196087 * The ALL_SHF_IGNORE constant defines these flags. 69240e56feSab196087 * 70240e56feSab196087 * NOTE: SHF_MERGE|SHF_STRINGS: 71240e56feSab196087 * The compiler is allowed to set the SHF_MERGE|SHF_STRINGS flags in 72240e56feSab196087 * order to tell the linker that: 73240e56feSab196087 * 74240e56feSab196087 * 1) There is nothing in the section except null terminated strings. 75cce0e03bSab196087 * 2) Those strings do not contain NULL bytes, except as termination. 76cce0e03bSab196087 * 3) All references to these strings occur via standard relocation 77cce0e03bSab196087 * records. 78cce0e03bSab196087 * 79cce0e03bSab196087 * As a result, if two compatible sections both have these flags set, it is 80cce0e03bSab196087 * OK to combine the strings they contain into a single merged string table 81cce0e03bSab196087 * with duplicates removed and tail strings merged. 82240e56feSab196087 * 83240e56feSab196087 * This is a different meaning than the simple concatenating of sections 84240e56feSab196087 * that the linker always does. It is a hint that an additional optimization 85240e56feSab196087 * is possible, but not required. This means that sections that do not 86cce0e03bSab196087 * share the same SHF_MERGE|SHF_STRINGS values can be concatenated, 87cce0e03bSab196087 * but cannot have their duplicate strings combined. Hence, the 88cce0e03bSab196087 * SHF_MERGE|SHF_STRINGS flags should be ignored when deciding whether 89cce0e03bSab196087 * two sections can be concatenated. 90240e56feSab196087 */ 91240e56feSab196087 #define ALL_SHF_IGNORE (ALL_SHF_ORDER | SHF_GROUP | SHF_MERGE | SHF_STRINGS) 927c478bd9Sstevel@tonic-gate 937c478bd9Sstevel@tonic-gate /* 947c478bd9Sstevel@tonic-gate * Define symbol reference types for use in symbol resolution. 957c478bd9Sstevel@tonic-gate */ 967c478bd9Sstevel@tonic-gate typedef enum { 977c478bd9Sstevel@tonic-gate REF_DYN_SEEN, /* a .so symbol has been seen */ 987c478bd9Sstevel@tonic-gate REF_DYN_NEED, /* a .so symbol satisfies a .o symbol */ 997c478bd9Sstevel@tonic-gate REF_REL_NEED, /* a .o symbol */ 1007c478bd9Sstevel@tonic-gate REF_NUM /* the number of symbol references */ 1017c478bd9Sstevel@tonic-gate } Symref; 1027c478bd9Sstevel@tonic-gate 1037c478bd9Sstevel@tonic-gate 1047c478bd9Sstevel@tonic-gate /* 1057c478bd9Sstevel@tonic-gate * GOT reference models 1067c478bd9Sstevel@tonic-gate */ 1077c478bd9Sstevel@tonic-gate typedef enum { 1087c478bd9Sstevel@tonic-gate GOT_REF_GENERIC, /* generic symbol reference */ 1097c478bd9Sstevel@tonic-gate GOT_REF_TLSIE, /* TLS initial exec (gnu) reference */ 1107c478bd9Sstevel@tonic-gate GOT_REF_TLSLD, /* TLS local dynamic reference */ 1117c478bd9Sstevel@tonic-gate GOT_REF_TLSGD /* TLS general dynamic reference */ 1127c478bd9Sstevel@tonic-gate } Gotref; 1137c478bd9Sstevel@tonic-gate 1147c478bd9Sstevel@tonic-gate typedef struct { 1157c478bd9Sstevel@tonic-gate Xword gn_addend; /* addend associated with GOT entry */ 1167c478bd9Sstevel@tonic-gate Sword gn_gotndx; /* GOT table index */ 1177c478bd9Sstevel@tonic-gate Gotref gn_gotref; 1187c478bd9Sstevel@tonic-gate } Gotndx; 1197c478bd9Sstevel@tonic-gate 1207c478bd9Sstevel@tonic-gate /* 1217c478bd9Sstevel@tonic-gate * Got debugging structure. The got index is defined as a signed value as we 1227c478bd9Sstevel@tonic-gate * do so much mucking around with negative and positive gots on SPARC, and sign 1237c478bd9Sstevel@tonic-gate * extension is necessary when building 64-bit objects. On intel we explicitly 1247c478bd9Sstevel@tonic-gate * cast this variable to an unsigned value. 1257c478bd9Sstevel@tonic-gate */ 1267c478bd9Sstevel@tonic-gate typedef struct { 1277c478bd9Sstevel@tonic-gate Sym_desc * gt_sym; 1287c478bd9Sstevel@tonic-gate Gotndx gt_gndx; 1297c478bd9Sstevel@tonic-gate } Gottable; 1307c478bd9Sstevel@tonic-gate 1311d9df23bSab196087 1327c478bd9Sstevel@tonic-gate /* 1337c478bd9Sstevel@tonic-gate * Output file processing structure 1347c478bd9Sstevel@tonic-gate */ 1351d9df23bSab196087 typedef Lword ofl_flag_t; 1367c478bd9Sstevel@tonic-gate struct ofl_desc { 1377c478bd9Sstevel@tonic-gate char *ofl_sgsid; /* link-editor identification */ 1387c478bd9Sstevel@tonic-gate const char *ofl_name; /* full file name */ 1397c478bd9Sstevel@tonic-gate Elf *ofl_elf; /* elf_memory() elf descriptor */ 1407c478bd9Sstevel@tonic-gate Elf *ofl_welf; /* ELF_C_WRITE elf descriptor */ 1415aefb655Srie Ehdr *ofl_dehdr; /* default elf header, and new elf */ 1425aefb655Srie Ehdr *ofl_nehdr; /* header describing this file */ 1437c478bd9Sstevel@tonic-gate Phdr *ofl_phdr; /* program header descriptor */ 1447c478bd9Sstevel@tonic-gate Phdr *ofl_tlsphdr; /* TLS phdr */ 1457c478bd9Sstevel@tonic-gate int ofl_fd; /* file descriptor */ 1467c478bd9Sstevel@tonic-gate size_t ofl_size; /* image size */ 1477c478bd9Sstevel@tonic-gate List ofl_maps; /* list of input mapfiles */ 1487c478bd9Sstevel@tonic-gate List ofl_segs; /* list of segments */ 1497c478bd9Sstevel@tonic-gate List ofl_ents; /* list of entrance descriptors */ 1507c478bd9Sstevel@tonic-gate List ofl_objs; /* relocatable object file list */ 1517c478bd9Sstevel@tonic-gate Word ofl_objscnt; /* and count */ 1527c478bd9Sstevel@tonic-gate List ofl_ars; /* archive library list */ 1537c478bd9Sstevel@tonic-gate Word ofl_arscnt; /* and count */ 1547c478bd9Sstevel@tonic-gate List ofl_sos; /* shared object list */ 1557c478bd9Sstevel@tonic-gate Word ofl_soscnt; /* and count */ 1567c478bd9Sstevel@tonic-gate List ofl_soneed; /* list of implicitly required .so's */ 1577c478bd9Sstevel@tonic-gate List ofl_socntl; /* list of .so control definitions */ 1587c478bd9Sstevel@tonic-gate List ofl_outrels; /* list of output relocations */ 1597c478bd9Sstevel@tonic-gate Word ofl_outrelscnt; /* and count */ 1607c478bd9Sstevel@tonic-gate List ofl_actrels; /* list of relocations to perform */ 1617c478bd9Sstevel@tonic-gate Word ofl_actrelscnt; /* and count */ 162c174926fSrie Word ofl_entrelscnt; /* no of relocations entered */ 1637c478bd9Sstevel@tonic-gate List ofl_copyrels; /* list of copy relocations */ 1647c478bd9Sstevel@tonic-gate List ofl_ordered; /* list of shf_ordered sections */ 1657c478bd9Sstevel@tonic-gate List ofl_syminfsyms; /* list of interesting syms */ 1667c478bd9Sstevel@tonic-gate /* for syminfo processing */ 1677c478bd9Sstevel@tonic-gate List ofl_ismove; /* list of .SUNW_move sections */ 1687c478bd9Sstevel@tonic-gate List ofl_mvrelisdescs; /* list of relocation input section */ 1697c478bd9Sstevel@tonic-gate /* targeting to expanded area */ 1707c478bd9Sstevel@tonic-gate List ofl_parsym; /* list of Parsym_info */ 1717c478bd9Sstevel@tonic-gate List ofl_extrarels; /* relocation sections which have */ 1727c478bd9Sstevel@tonic-gate /* a NULL sh_info */ 173cc7efc4fSrie avl_tree_t *ofl_groups; /* pointer to head of Groups AVL tree */ 1747c478bd9Sstevel@tonic-gate List ofl_initarray; /* list of init array func names */ 1757c478bd9Sstevel@tonic-gate List ofl_finiarray; /* list of fini array func names */ 1767c478bd9Sstevel@tonic-gate List ofl_preiarray; /* list of preinit array func names */ 1777c478bd9Sstevel@tonic-gate List ofl_rtldinfo; /* list of rtldinfo syms */ 1787c478bd9Sstevel@tonic-gate List ofl_osgroups; /* list of output GROUP sections */ 1797c478bd9Sstevel@tonic-gate List ofl_ostlsseg; /* pointer to sections in TLS segment */ 180ba2be530Sab196087 #if defined(_ELF64) /* for amd64 target only */ 1817c478bd9Sstevel@tonic-gate List ofl_unwind; /* list of unwind output sections */ 1827c478bd9Sstevel@tonic-gate Os_desc *ofl_unwindhdr; /* Unwind hdr */ 1837c478bd9Sstevel@tonic-gate #endif 1847c478bd9Sstevel@tonic-gate avl_tree_t ofl_symavl; /* pointer to head of Syms AVL tree */ 1857c478bd9Sstevel@tonic-gate Sym_desc **ofl_regsyms; /* array of potential register */ 1867c478bd9Sstevel@tonic-gate Word ofl_regsymsno; /* symbols and array count */ 1877c478bd9Sstevel@tonic-gate Word ofl_regsymcnt; /* no. of output register symbols */ 1887c478bd9Sstevel@tonic-gate Word ofl_lregsymcnt; /* no. of local register symbols */ 1897c478bd9Sstevel@tonic-gate Sym_desc *ofl_dtracesym; /* ld -zdtrace= */ 1901d9df23bSab196087 ofl_flag_t ofl_flags; /* various state bits, args etc. */ 1911d9df23bSab196087 ofl_flag_t ofl_flags1; /* more flags */ 1927c478bd9Sstevel@tonic-gate Xword ofl_segorigin; /* segment origin (start) */ 1937c478bd9Sstevel@tonic-gate void *ofl_entry; /* entry point (-e and Sym_desc *) */ 1947c478bd9Sstevel@tonic-gate char *ofl_filtees; /* shared objects we are a filter for */ 1957c478bd9Sstevel@tonic-gate const char *ofl_soname; /* (-h option) output file name for */ 1967c478bd9Sstevel@tonic-gate /* dynamic structure */ 1977c478bd9Sstevel@tonic-gate const char *ofl_interp; /* interpreter name used by exec() */ 1987c478bd9Sstevel@tonic-gate char *ofl_rpath; /* run path to store in .dynamic */ 1997c478bd9Sstevel@tonic-gate char *ofl_config; /* config path to store in .dynamic */ 2007c478bd9Sstevel@tonic-gate List ofl_ulibdirs; /* user supplied library search list */ 2017c478bd9Sstevel@tonic-gate List ofl_dlibdirs; /* default library search list */ 2027c478bd9Sstevel@tonic-gate Word ofl_vercnt; /* number of versions to generate */ 2037c478bd9Sstevel@tonic-gate List ofl_verdesc; /* list of version descriptors */ 2047c478bd9Sstevel@tonic-gate size_t ofl_verdefsz; /* size of version definition section */ 2057c478bd9Sstevel@tonic-gate size_t ofl_verneedsz; /* size of version needed section */ 2067c478bd9Sstevel@tonic-gate Word ofl_entercnt; /* no. of global symbols entered */ 2077c478bd9Sstevel@tonic-gate Word ofl_globcnt; /* no. of global symbols to output */ 2087c478bd9Sstevel@tonic-gate Word ofl_scopecnt; /* no. of scoped symbols to output */ 2099039eeafSab196087 Word ofl_dynscopecnt; /* no. scoped syms in .SUNW_ldynsym */ 2107c478bd9Sstevel@tonic-gate Word ofl_elimcnt; /* no. of eliminated symbols */ 2119039eeafSab196087 Word ofl_locscnt; /* no. of local symbols in .symtab */ 2129039eeafSab196087 Word ofl_dynlocscnt; /* no. local symbols in .SUNW_ldynsym */ 213d579eb63Sab196087 Word ofl_dynsymsortcnt; /* no. ndx in .SUNW_dynsymsort */ 214d579eb63Sab196087 Word ofl_dyntlssortcnt; /* no. ndx in .SUNW_dyntlssort */ 2157c478bd9Sstevel@tonic-gate Word ofl_dynshdrcnt; /* no. of output section in .dynsym */ 2167c478bd9Sstevel@tonic-gate Word ofl_shdrcnt; /* no. of output sections */ 2177c478bd9Sstevel@tonic-gate Str_tbl *ofl_shdrsttab; /* Str_tbl for shdr strtab */ 2187c478bd9Sstevel@tonic-gate Str_tbl *ofl_strtab; /* Str_tbl for symtab strtab */ 2197c478bd9Sstevel@tonic-gate Str_tbl *ofl_dynstrtab; /* Str_tbl for dymsym strtab */ 2207c478bd9Sstevel@tonic-gate Gotndx *ofl_tlsldgotndx; /* index to LD TLS_index structure */ 2217c478bd9Sstevel@tonic-gate Xword ofl_relocsz; /* size of output relocations */ 2227c478bd9Sstevel@tonic-gate Xword ofl_relocgotsz; /* size of .got relocations */ 2237c478bd9Sstevel@tonic-gate Xword ofl_relocpltsz; /* size of .plt relocations */ 2247c478bd9Sstevel@tonic-gate Xword ofl_relocbsssz; /* size of .bss (copy) relocations */ 2257c478bd9Sstevel@tonic-gate Xword ofl_relocrelsz; /* size of .rel[a] relocations */ 2267c478bd9Sstevel@tonic-gate Word ofl_relocincnt; /* no. of input relocations */ 2277c478bd9Sstevel@tonic-gate Word ofl_reloccnt; /* tot number of output relocations */ 2287c478bd9Sstevel@tonic-gate Word ofl_reloccntsub; /* tot numb of output relocations to */ 2297c478bd9Sstevel@tonic-gate /* skip (-zignore) */ 2307c478bd9Sstevel@tonic-gate Word ofl_relocrelcnt; /* tot number of relative */ 2317c478bd9Sstevel@tonic-gate /* relocations */ 2327c478bd9Sstevel@tonic-gate Word ofl_gotcnt; /* no. of .got entries */ 2337c478bd9Sstevel@tonic-gate Word ofl_pltcnt; /* no. of .plt entries */ 2347c478bd9Sstevel@tonic-gate Word ofl_pltpad; /* no. of .plt padd entries */ 2357c478bd9Sstevel@tonic-gate Word ofl_hashbkts; /* no. of hash buckets required */ 2367c478bd9Sstevel@tonic-gate Is_desc *ofl_isbss; /* .bss input section (globals) */ 23754d82594Sseizo Is_desc *ofl_islbss; /* .lbss input section (globals) */ 2387c478bd9Sstevel@tonic-gate Is_desc *ofl_istlsbss; /* .tlsbss input section (globals) */ 2397c478bd9Sstevel@tonic-gate Is_desc *ofl_issunwdata1; /* .data input section */ 2407c478bd9Sstevel@tonic-gate /* partially expanded. */ 2417c478bd9Sstevel@tonic-gate Is_desc *ofl_issunwbss; /* .SUNW_bss input section (globals) */ 2427c478bd9Sstevel@tonic-gate Os_desc *ofl_osdynamic; /* .dynamic output section */ 2437c478bd9Sstevel@tonic-gate Os_desc *ofl_osdynsym; /* .dynsym output section */ 2449039eeafSab196087 Os_desc *ofl_osldynsym; /* .SUNW_ldynsym output section */ 2457c478bd9Sstevel@tonic-gate Os_desc *ofl_osdynstr; /* .dynstr output section */ 246d579eb63Sab196087 Os_desc *ofl_osdynsymsort; /* .SUNW_dynsymsort output section */ 247d579eb63Sab196087 Os_desc *ofl_osdyntlssort; /* .SUNW_dyntlssort output section */ 2487c478bd9Sstevel@tonic-gate Os_desc *ofl_osgot; /* .got output section */ 2497c478bd9Sstevel@tonic-gate Os_desc *ofl_oshash; /* .hash output section */ 2507c478bd9Sstevel@tonic-gate Os_desc *ofl_osinitarray; /* .initarray output section */ 2517c478bd9Sstevel@tonic-gate Os_desc *ofl_osfiniarray; /* .finiarray output section */ 2527c478bd9Sstevel@tonic-gate Os_desc *ofl_ospreinitarray; /* .preinitarray output section */ 2537c478bd9Sstevel@tonic-gate Os_desc *ofl_osinterp; /* .interp output section */ 2547c478bd9Sstevel@tonic-gate Os_desc *ofl_oscap; /* .SUNW_cap output section */ 2557c478bd9Sstevel@tonic-gate Os_desc *ofl_osplt; /* .plt output section */ 2567c478bd9Sstevel@tonic-gate Os_desc *ofl_osmove; /* .SUNW_move output section */ 2577c478bd9Sstevel@tonic-gate Os_desc *ofl_osrelhead; /* first relocation section */ 2587c478bd9Sstevel@tonic-gate Os_desc *ofl_osrel; /* .rel[a] relocation section */ 2597c478bd9Sstevel@tonic-gate Os_desc *ofl_osshstrtab; /* .shstrtab output section */ 2607c478bd9Sstevel@tonic-gate Os_desc *ofl_osstrtab; /* .strtab output section */ 2617c478bd9Sstevel@tonic-gate Os_desc *ofl_ossymtab; /* .symtab output section */ 2627c478bd9Sstevel@tonic-gate Os_desc *ofl_ossymshndx; /* .symtab_shndx output section */ 2637c478bd9Sstevel@tonic-gate Os_desc *ofl_osdynshndx; /* .dynsym_shndx output section */ 2649039eeafSab196087 Os_desc *ofl_osldynshndx; /* .SUNW_ldynsym_shndx output sec */ 2657c478bd9Sstevel@tonic-gate Os_desc *ofl_osverdef; /* .version definition output section */ 2667c478bd9Sstevel@tonic-gate Os_desc *ofl_osverneed; /* .version needed output section */ 2677c478bd9Sstevel@tonic-gate Os_desc *ofl_osversym; /* .version symbol ndx output section */ 2687c478bd9Sstevel@tonic-gate Word ofl_dtflags_1; /* DT_FLAGS_1 entries */ 2697c478bd9Sstevel@tonic-gate Word ofl_dtflags; /* DT_FLAGS entries */ 2707c478bd9Sstevel@tonic-gate Os_desc *ofl_ossyminfo; /* .SUNW_syminfo output section */ 2717c478bd9Sstevel@tonic-gate Half ofl_sunwdata1ndx; /* section index for sunwdata1 */ 2727c478bd9Sstevel@tonic-gate /* Ref. at perform_outreloc() in */ 2737c478bd9Sstevel@tonic-gate /* libld/{mach}/machrel.c */ 2747c478bd9Sstevel@tonic-gate Xword *ofl_checksum; /* DT_CHECKSUM value address */ 2757c478bd9Sstevel@tonic-gate char *ofl_depaudit; /* dependency auditing required (-P) */ 2767c478bd9Sstevel@tonic-gate char *ofl_audit; /* object auditing required (-p) */ 2777c478bd9Sstevel@tonic-gate Alist *ofl_symfltrs; /* per-symbol filtees and their */ 2787c478bd9Sstevel@tonic-gate Alist *ofl_dtsfltrs; /* associated .dynamic/.dynstrs */ 2797c478bd9Sstevel@tonic-gate Xword ofl_hwcap_1; /* hardware capabilities */ 2807c478bd9Sstevel@tonic-gate Xword ofl_sfcap_1; /* software capabilities */ 2815aefb655Srie Lm_list *ofl_lml; /* runtime link-map list */ 282d326b23bSrie Gottable *ofl_gottable; /* debugging got information */ 2837c478bd9Sstevel@tonic-gate }; 2847c478bd9Sstevel@tonic-gate 2857c478bd9Sstevel@tonic-gate #define FLG_OF_DYNAMIC 0x00000001 /* generate dynamic output module */ 2867c478bd9Sstevel@tonic-gate #define FLG_OF_STATIC 0x00000002 /* generate static output module */ 2877c478bd9Sstevel@tonic-gate #define FLG_OF_EXEC 0x00000004 /* generate an executable */ 2887c478bd9Sstevel@tonic-gate #define FLG_OF_RELOBJ 0x00000008 /* generate a relocatable object */ 2897c478bd9Sstevel@tonic-gate #define FLG_OF_SHAROBJ 0x00000010 /* generate a shared object */ 2907c478bd9Sstevel@tonic-gate #define FLG_OF_BFLAG 0x00000020 /* do no special plt building: -b */ 2917c478bd9Sstevel@tonic-gate #define FLG_OF_IGNENV 0x00000040 /* ignore LD_LIBRARY_PATH: -i */ 2927c478bd9Sstevel@tonic-gate #define FLG_OF_STRIP 0x00000080 /* strip output: -s */ 2937c478bd9Sstevel@tonic-gate #define FLG_OF_NOWARN 0x00000100 /* disable symbol warnings: -t */ 2947c478bd9Sstevel@tonic-gate #define FLG_OF_NOUNDEF 0x00000200 /* allow no undefined symbols: -zdefs */ 2957c478bd9Sstevel@tonic-gate #define FLG_OF_PURETXT 0x00000400 /* allow no text relocations: -ztext */ 2967c478bd9Sstevel@tonic-gate #define FLG_OF_GENMAP 0x00000800 /* generate a memory map: -m */ 2977c478bd9Sstevel@tonic-gate #define FLG_OF_DYNLIBS 0x00001000 /* dynamic input allowed: -Bdynamic */ 2987c478bd9Sstevel@tonic-gate #define FLG_OF_SYMBOLIC 0x00002000 /* bind global symbols: -Bsymbolic */ 2997c478bd9Sstevel@tonic-gate #define FLG_OF_ADDVERS 0x00004000 /* add version stamp: -Qy */ 3009039eeafSab196087 #define FLG_OF_NOLDYNSYM 0x00008000 /* -znoldynsym set */ 3017c478bd9Sstevel@tonic-gate #define FLG_OF_SEGORDER 0x00010000 /* segment ordering is required */ 3027c478bd9Sstevel@tonic-gate #define FLG_OF_SEGSORT 0x00020000 /* segment sorting is required */ 3037c478bd9Sstevel@tonic-gate #define FLG_OF_TEXTREL 0x00040000 /* text relocations have been found */ 3047c478bd9Sstevel@tonic-gate #define FLG_OF_MULDEFS 0x00080000 /* multiple symbols are allowed */ 305dd94ecefSrie #define FLG_OF_TLSPHDR 0x00100000 /* a TLS program header is required */ 3067c478bd9Sstevel@tonic-gate #define FLG_OF_BLDGOT 0x00200000 /* build GOT table */ 3077c478bd9Sstevel@tonic-gate #define FLG_OF_VERDEF 0x00400000 /* record version definitions */ 3087c478bd9Sstevel@tonic-gate #define FLG_OF_VERNEED 0x00800000 /* record version dependencies */ 3097c478bd9Sstevel@tonic-gate #define FLG_OF_NOVERSEC 0x01000000 /* don't record version sections */ 3100e233487SRod Evans #define FLG_OF_KEY 0x02000000 /* file requires sort keys */ 3117c478bd9Sstevel@tonic-gate #define FLG_OF_PROCRED 0x04000000 /* process any symbol reductions by */ 3127c478bd9Sstevel@tonic-gate /* effecting the symbol table */ 3137c478bd9Sstevel@tonic-gate /* output and relocations */ 3147c478bd9Sstevel@tonic-gate #define FLG_OF_SYMINFO 0x08000000 /* create a syminfo section */ 3157c478bd9Sstevel@tonic-gate #define FLG_OF_AUX 0x10000000 /* ofl_filter is an auxiliary filter */ 3167c478bd9Sstevel@tonic-gate #define FLG_OF_FATAL 0x20000000 /* fatal error during input */ 3177c478bd9Sstevel@tonic-gate #define FLG_OF_WARN 0x40000000 /* warning during input processing. */ 3187c478bd9Sstevel@tonic-gate #define FLG_OF_VERBOSE 0x80000000 /* -z verbose flag set */ 3197c478bd9Sstevel@tonic-gate 3209a411307Srie #define FLG_OF_MAPSYMB 0x000100000000 /* symbolic scope definition seen */ 3219a411307Srie #define FLG_OF_MAPGLOB 0x000200000000 /* global scope definition seen */ 322e38a713aSrie #define FLG_OF_COMREL 0x000400000000 /* -z combreloc set, which enables */ 323e38a713aSrie /* DT_RELACNT tracking, */ 324e38a713aSrie #define FLG_OF_NOCOMREL 0x000800000000 /* -z nocombreloc set */ 32544bac77bSrie #define FLG_OF_AUTOLCL 0x001000000000 /* automatically reduce unspecified */ 32644bac77bSrie /* global symbols to locals */ 32744bac77bSrie #define FLG_OF_AUTOELM 0x002000000000 /* automatically eliminate */ 32844bac77bSrie /* unspecified global symbols */ 32944bac77bSrie #define FLG_OF_REDLSYM 0x004000000000 /* reduce local symbols */ 3300e233487SRod Evans #define FLG_OF_SECORDER 0x008000000000 /* section ordering is required */ 3319a411307Srie 3327c478bd9Sstevel@tonic-gate /* 3337c478bd9Sstevel@tonic-gate * In the flags1 arena, establish any options that are applicable to archive 3347c478bd9Sstevel@tonic-gate * extraction first, and associate a mask. These values are recorded with any 3357c478bd9Sstevel@tonic-gate * archive descriptor so that they may be reset should the archive require a 3367c478bd9Sstevel@tonic-gate * rescan to try and resolve undefined symbols. 3377c478bd9Sstevel@tonic-gate */ 3387c478bd9Sstevel@tonic-gate #define FLG_OF1_ALLEXRT 0x00000001 /* extract all members from an */ 3397c478bd9Sstevel@tonic-gate /* archive file */ 3407c478bd9Sstevel@tonic-gate #define FLG_OF1_WEAKEXT 0x00000002 /* allow archive extraction to */ 3417c478bd9Sstevel@tonic-gate /* resolve weak references */ 34270d3e49eSrie #define MSK_OF1_ARCHIVE 0x00000003 /* archive flags mask */ 3437c478bd9Sstevel@tonic-gate 34470d3e49eSrie #define FLG_OF1_NOINTRP 0x00000008 /* -z nointerp flag set */ 3457c478bd9Sstevel@tonic-gate #define FLG_OF1_ZDIRECT 0x00000010 /* -z direct flag set */ 3467c478bd9Sstevel@tonic-gate #define FLG_OF1_NDIRECT 0x00000020 /* no-direct bindings specified */ 3477c478bd9Sstevel@tonic-gate #define FLG_OF1_OVHWCAP 0x00000040 /* override any input hardware or */ 3487c478bd9Sstevel@tonic-gate #define FLG_OF1_OVSFCAP 0x00000080 /* software capabilities */ 3497c478bd9Sstevel@tonic-gate #define FLG_OF1_RELDYN 0x00000100 /* process .dynamic in rel obj */ 3500e233487SRod Evans #define FLG_OF1_NRLXREL 0x00000200 /* -z norelaxreloc flag set */ 3510e233487SRod Evans #define FLG_OF1_RLXREL 0x00000400 /* -z relaxreloc flag set */ 3527c478bd9Sstevel@tonic-gate #define FLG_OF1_IGNORE 0x00000800 /* ignore unused dependencies */ 353e38a713aSrie 3547c478bd9Sstevel@tonic-gate #define FLG_OF1_TEXTOFF 0x00002000 /* text relocations are ok */ 3557c478bd9Sstevel@tonic-gate #define FLG_OF1_ABSEXEC 0x00004000 /* -zabsexec set */ 3567c478bd9Sstevel@tonic-gate #define FLG_OF1_LAZYLD 0x00008000 /* lazy loading of objects enabled */ 3577c478bd9Sstevel@tonic-gate #define FLG_OF1_GRPPRM 0x00010000 /* dependencies are to have */ 3587c478bd9Sstevel@tonic-gate /* GROUPPERM enabled */ 3597c478bd9Sstevel@tonic-gate #define FLG_OF1_OVRFLW 0x00020000 /* size exceeds 32-bit limitation */ 3607c478bd9Sstevel@tonic-gate /* of 32-bit libld */ 3617c478bd9Sstevel@tonic-gate #define FLG_OF1_NOPARTI 0x00040000 /* -znopartial set */ 3627c478bd9Sstevel@tonic-gate #define FLG_OF1_BSSOREL 0x00080000 /* output relocation against bss */ 3637c478bd9Sstevel@tonic-gate /* section */ 3647c478bd9Sstevel@tonic-gate #define FLG_OF1_TLSOREL 0x00100000 /* output relocation against .tlsbss */ 3657c478bd9Sstevel@tonic-gate /* section */ 3669039eeafSab196087 #define FLG_OF1_MEMORY 0x00200000 /* produce a memory model */ 3670e233487SRod Evans 368f3324781Sab196087 #define FLG_OF1_ENCDIFF 0x00800000 /* Host running linker has different */ 369f3324781Sab196087 /* byte order than output object */ 3707c478bd9Sstevel@tonic-gate #define FLG_OF1_VADDR 0x01000000 /* vaddr was explicitly set */ 3717c478bd9Sstevel@tonic-gate #define FLG_OF1_EXTRACT 0x02000000 /* archive member has been extracted */ 3727c478bd9Sstevel@tonic-gate #define FLG_OF1_RESCAN 0x04000000 /* any archives should be rescanned */ 3737c478bd9Sstevel@tonic-gate #define FLG_OF1_IGNPRC 0x08000000 /* ignore processing required */ 3747c478bd9Sstevel@tonic-gate #define FLG_OF1_NCSTTAB 0x10000000 /* -znocompstrtab set */ 3757c478bd9Sstevel@tonic-gate #define FLG_OF1_DONE 0x20000000 /* link-editor processing complete */ 3767c478bd9Sstevel@tonic-gate #define FLG_OF1_NONREG 0x40000000 /* non-regular file specified as */ 3777c478bd9Sstevel@tonic-gate /* the output file */ 3787c478bd9Sstevel@tonic-gate #define FLG_OF1_ALNODIR 0x80000000 /* establish NODIRECT for all */ 3797c478bd9Sstevel@tonic-gate /* exported interfaces. */ 3807c478bd9Sstevel@tonic-gate 3817c478bd9Sstevel@tonic-gate /* 3829039eeafSab196087 * Test to see if the output file would allow the presence of 3839039eeafSab196087 * a .dynsym section. 3849039eeafSab196087 */ 385f3324781Sab196087 #define OFL_ALLOW_DYNSYM(_ofl) (((_ofl)->ofl_flags & \ 3869039eeafSab196087 (FLG_OF_DYNAMIC | FLG_OF_RELOBJ)) == FLG_OF_DYNAMIC) 3879039eeafSab196087 3889039eeafSab196087 /* 3899039eeafSab196087 * Test to see if the output file would allow the presence of 3909039eeafSab196087 * a .SUNW_ldynsym section. The requirements are that a .dynsym 3919039eeafSab196087 * is allowed, and -znoldynsym has not been specified. Note that 3929039eeafSab196087 * even if the answer is True (1), we will only generate one if there 3939039eeafSab196087 * are local symbols that require it. 3949039eeafSab196087 */ 395f3324781Sab196087 #define OFL_ALLOW_LDYNSYM(_ofl) (((_ofl)->ofl_flags & \ 3969039eeafSab196087 (FLG_OF_DYNAMIC | FLG_OF_RELOBJ | FLG_OF_NOLDYNSYM)) == FLG_OF_DYNAMIC) 3979039eeafSab196087 3989039eeafSab196087 /* 399f3324781Sab196087 * Test to see if relocation processing should be done. This is normally 400f3324781Sab196087 * true, but can be disabled via the '-z noreloc' option. Note that 401f3324781Sab196087 * relocatable objects are still relocated even if '-z noreloc' is present. 402f3324781Sab196087 */ 403f3324781Sab196087 #define OFL_DO_RELOC(_ofl) (((_ofl)->ofl_flags & FLG_OF_RELOBJ) || \ 404f3324781Sab196087 !((_ofl)->ofl_dtflags_1 & DF_1_NORELOC)) 405f3324781Sab196087 406f3324781Sab196087 /* 4077c478bd9Sstevel@tonic-gate * Relocation (active & output) processing structure - transparent to common 4087c478bd9Sstevel@tonic-gate * code. 409cce0e03bSab196087 * 410cce0e03bSab196087 * Note that rel_raddend is primarily only of interest to RELA relocations, 411cce0e03bSab196087 * and is set to 0 for REL. However, there is an exception: If FLG_REL_NADDEND 412cce0e03bSab196087 * is set, then rel_raddend contains a replacement value for the implicit 413cce0e03bSab196087 * addend found in the relocation target. 4147c478bd9Sstevel@tonic-gate */ 4157c478bd9Sstevel@tonic-gate struct rel_desc { 4167c478bd9Sstevel@tonic-gate Os_desc *rel_osdesc; /* output section reloc is against */ 4177c478bd9Sstevel@tonic-gate Is_desc *rel_isdesc; /* input section reloc is against */ 4187c478bd9Sstevel@tonic-gate const char *rel_sname; /* symbol name (may be "unknown") */ 4197c478bd9Sstevel@tonic-gate Sym_desc *rel_sym; /* sym relocation is against */ 4207c478bd9Sstevel@tonic-gate Sym_desc *rel_usym; /* strong sym if this is a weak pair */ 4217c478bd9Sstevel@tonic-gate Mv_desc *rel_move; /* move table information */ 4227c478bd9Sstevel@tonic-gate Word rel_flags; /* misc. flags for relocations */ 4237c478bd9Sstevel@tonic-gate Word rel_rtype; /* relocation type */ 4247c478bd9Sstevel@tonic-gate Xword rel_roffset; /* relocation offset */ 4257c478bd9Sstevel@tonic-gate Sxword rel_raddend; /* addend from input relocation */ 4267c478bd9Sstevel@tonic-gate Word rel_typedata; /* ELF_R_TYPE_DATA(info) */ 4277c478bd9Sstevel@tonic-gate }; 4287c478bd9Sstevel@tonic-gate 4297c478bd9Sstevel@tonic-gate /* 4307c478bd9Sstevel@tonic-gate * common flags used on the Rel_desc structure (defined in machrel.h). 4317c478bd9Sstevel@tonic-gate */ 4327c478bd9Sstevel@tonic-gate #define FLG_REL_GOT 0x00000001 /* relocation against GOT */ 4337c478bd9Sstevel@tonic-gate #define FLG_REL_PLT 0x00000002 /* relocation against PLT */ 4347c478bd9Sstevel@tonic-gate #define FLG_REL_BSS 0x00000004 /* relocation against BSS */ 4357c478bd9Sstevel@tonic-gate #define FLG_REL_LOAD 0x00000008 /* section loadable */ 4367c478bd9Sstevel@tonic-gate #define FLG_REL_SCNNDX 0x00000010 /* use section index for symbol ndx */ 4377c478bd9Sstevel@tonic-gate #define FLG_REL_CLVAL 0x00000020 /* clear VALUE for active relocation */ 4387c478bd9Sstevel@tonic-gate #define FLG_REL_ADVAL 0x00000040 /* add VALUE for output relocation, */ 43963360950Smp204432 /* only relevant to SPARC and */ 4407c478bd9Sstevel@tonic-gate /* R_SPARC_RELATIVE */ 4417c478bd9Sstevel@tonic-gate #define FLG_REL_GOTCL 0x00000080 /* clear the GOT entry. This is */ 4427c478bd9Sstevel@tonic-gate /* relevant to RELA relocations, */ 4437c478bd9Sstevel@tonic-gate /* not REL (i386) relocations */ 4447c478bd9Sstevel@tonic-gate #define FLG_REL_MOVETAB 0x00000100 /* Relocation against .SUNW_move */ 4457c478bd9Sstevel@tonic-gate /* adjustments required before */ 4467c478bd9Sstevel@tonic-gate /* actual relocation */ 4477c478bd9Sstevel@tonic-gate #define FLG_REL_NOINFO 0x00000200 /* Relocation comes from a section */ 4487c478bd9Sstevel@tonic-gate /* with a null sh_info field */ 4497c478bd9Sstevel@tonic-gate #define FLG_REL_REG 0x00000400 /* Relocation target is reg sym */ 4507c478bd9Sstevel@tonic-gate #define FLG_REL_FPTR 0x00000800 /* relocation against func. desc. */ 4517c478bd9Sstevel@tonic-gate #define FLG_REL_RFPTR1 0x00001000 /* Relative relocation against */ 4527c478bd9Sstevel@tonic-gate /* 1st part of FD */ 4537c478bd9Sstevel@tonic-gate #define FLG_REL_RFPTR2 0x00002000 /* Relative relocation against */ 4547c478bd9Sstevel@tonic-gate /* 2nd part of FD */ 4557c478bd9Sstevel@tonic-gate #define FLG_REL_DISP 0x00004000 /* *disp* relocation */ 4567c478bd9Sstevel@tonic-gate #define FLG_REL_STLS 0x00008000 /* IE TLS reference to */ 4577c478bd9Sstevel@tonic-gate /* static TLS GOT index */ 4587c478bd9Sstevel@tonic-gate #define FLG_REL_DTLS 0x00010000 /* GD TLS reference relative to */ 4597c478bd9Sstevel@tonic-gate /* dynamic TLS GOT index */ 4607c478bd9Sstevel@tonic-gate #define FLG_REL_MTLS 0x00020000 /* LD TLS reference against GOT */ 4617c478bd9Sstevel@tonic-gate #define FLG_REL_STTLS 0x00040000 /* LE TLS reference directly */ 4627c478bd9Sstevel@tonic-gate /* to static tls index */ 4637c478bd9Sstevel@tonic-gate #define FLG_REL_TLSFIX 0x00080000 /* relocation points to TLS instr. */ 4647c478bd9Sstevel@tonic-gate /* which needs updating */ 4657c478bd9Sstevel@tonic-gate #define FLG_REL_RELA 0x00100000 /* descripter captures a Rela */ 4667c478bd9Sstevel@tonic-gate #define FLG_REL_GOTFIX 0x00200000 /* relocation points to GOTOP instr. */ 4677c478bd9Sstevel@tonic-gate /* which needs updating */ 468cce0e03bSab196087 #define FLG_REL_NADDEND 0x00400000 /* Replace implicit addend in dest */ 469cce0e03bSab196087 /* with value in rel_raddend */ 470cce0e03bSab196087 /* Relevant to REL (i386) */ 471cce0e03bSab196087 /* relocations, not to RELA. */ 4727c478bd9Sstevel@tonic-gate 4737c478bd9Sstevel@tonic-gate /* 4747c478bd9Sstevel@tonic-gate * Structure to hold a cache of Relocations. 4757c478bd9Sstevel@tonic-gate */ 4767c478bd9Sstevel@tonic-gate struct rel_cache { 4777c478bd9Sstevel@tonic-gate Rel_desc *rc_end; 4787c478bd9Sstevel@tonic-gate Rel_desc *rc_free; 4797c478bd9Sstevel@tonic-gate }; 4807c478bd9Sstevel@tonic-gate 4817c478bd9Sstevel@tonic-gate /* 4827c478bd9Sstevel@tonic-gate * Symbol value descriptor. For relocatable objects, each symbols value is 4837c478bd9Sstevel@tonic-gate * its offset within its associated section. Therefore, to uniquely define 4847c478bd9Sstevel@tonic-gate * each symbol within a reloctable object, record and sort the sh_offset and 4857c478bd9Sstevel@tonic-gate * symbol value. This information is used to seach for displacement 4867c478bd9Sstevel@tonic-gate * relocations as part of copy relocation validation. 4877c478bd9Sstevel@tonic-gate */ 4887c478bd9Sstevel@tonic-gate typedef struct { 4897c478bd9Sstevel@tonic-gate Addr ssv_value; 4907c478bd9Sstevel@tonic-gate Sym_desc *ssv_sdp; 4917c478bd9Sstevel@tonic-gate } Ssv_desc; 4927c478bd9Sstevel@tonic-gate 4937c478bd9Sstevel@tonic-gate /* 4947c478bd9Sstevel@tonic-gate * Input file processing structures. 4957c478bd9Sstevel@tonic-gate */ 4967c478bd9Sstevel@tonic-gate struct ifl_desc { /* input file descriptor */ 4977c478bd9Sstevel@tonic-gate const char *ifl_name; /* full file name */ 4987c478bd9Sstevel@tonic-gate const char *ifl_soname; /* shared object name */ 4997c478bd9Sstevel@tonic-gate dev_t ifl_stdev; /* device id and inode number for .so */ 5007c478bd9Sstevel@tonic-gate ino_t ifl_stino; /* multiple inclusion checks */ 5017c478bd9Sstevel@tonic-gate Ehdr *ifl_ehdr; /* elf header describing this file */ 5027c478bd9Sstevel@tonic-gate Elf *ifl_elf; /* elf descriptor for this file */ 5037c478bd9Sstevel@tonic-gate Sym_desc **ifl_oldndx; /* original symbol table indices */ 5047c478bd9Sstevel@tonic-gate Sym_desc *ifl_locs; /* symbol desc version of locals */ 5057c478bd9Sstevel@tonic-gate Ssv_desc *ifl_sortsyms; /* sorted list of symbols by value */ 5067c478bd9Sstevel@tonic-gate Word ifl_locscnt; /* no. of local symbols to process */ 5077c478bd9Sstevel@tonic-gate Word ifl_symscnt; /* total no. of symbols to process */ 5087c478bd9Sstevel@tonic-gate Word ifl_sortcnt; /* no. of sorted symbols to process */ 5097c478bd9Sstevel@tonic-gate Word ifl_shnum; /* number of sections in file */ 5107c478bd9Sstevel@tonic-gate Word ifl_shstrndx; /* index to .shstrtab */ 5117c478bd9Sstevel@tonic-gate Word ifl_vercnt; /* number of versions in file */ 5127c478bd9Sstevel@tonic-gate Is_desc **ifl_isdesc; /* isdesc[scn ndx] = Is_desc ptr */ 5137c478bd9Sstevel@tonic-gate Sdf_desc *ifl_sdfdesc; /* control definition */ 5147c478bd9Sstevel@tonic-gate Versym *ifl_versym; /* version symbol table array */ 5157c478bd9Sstevel@tonic-gate Ver_index *ifl_verndx; /* verndx[ver ndx] = Ver_index */ 5167c478bd9Sstevel@tonic-gate List ifl_verdesc; /* version descriptor list */ 5177c478bd9Sstevel@tonic-gate List ifl_relsect; /* relocation section list */ 518cc7efc4fSrie Alist *ifl_groups; /* SHT_GROUP section list */ 5197c478bd9Sstevel@tonic-gate Half ifl_neededndx; /* index to NEEDED in .dyn section */ 520d840867fSab196087 Word ifl_flags; /* Explicit/implicit reference */ 5217c478bd9Sstevel@tonic-gate }; 5227c478bd9Sstevel@tonic-gate 523d840867fSab196087 #define FLG_IF_CMDLINE 0x00000001 /* full filename specified from the */ 5247c478bd9Sstevel@tonic-gate /* command line (no -l) */ 525d840867fSab196087 #define FLG_IF_NEEDED 0x00000002 /* shared object should be recorded */ 526d840867fSab196087 #define FLG_IF_DIRECT 0x00000004 /* establish direct bindings to this */ 5277c478bd9Sstevel@tonic-gate /* object */ 528d840867fSab196087 #define FLG_IF_EXTRACT 0x00000008 /* file extracted from an archive */ 529d840867fSab196087 #define FLG_IF_VERNEED 0x00000010 /* version dependency information is */ 5307c478bd9Sstevel@tonic-gate /* required */ 531d840867fSab196087 #define FLG_IF_DEPREQD 0x00000020 /* dependency is required to satisfy */ 5327c478bd9Sstevel@tonic-gate /* symbol references */ 533d840867fSab196087 #define FLG_IF_NEEDSTR 0x00000040 /* dependency specified by -Nn */ 5347c478bd9Sstevel@tonic-gate /* flag */ 535d840867fSab196087 #define FLG_IF_IGNORE 0x00000080 /* ignore unused dependencies */ 536d840867fSab196087 #define FLG_IF_NODIRECT 0x00000100 /* object contains symbols that */ 5377c478bd9Sstevel@tonic-gate /* cannot be directly bound to. */ 538d840867fSab196087 #define FLG_IF_LAZYLD 0x00000200 /* bindings to this object should be */ 5397c478bd9Sstevel@tonic-gate /* lazy loaded */ 540d840867fSab196087 #define FLG_IF_GRPPRM 0x00000400 /* this dependency should have the */ 5417c478bd9Sstevel@tonic-gate /* DF_P1_GROUPPERM flag set */ 542d840867fSab196087 #define FLG_IF_DISPPEND 0x00000800 /* displacement relocation done */ 5437c478bd9Sstevel@tonic-gate /* in the ld time. */ 544d840867fSab196087 #define FLG_IF_DISPDONE 0x00001000 /* displacement relocation done */ 5457c478bd9Sstevel@tonic-gate /* at the run time */ 546d840867fSab196087 #define FLG_IF_MAPFILE 0x00002000 /* file is a mapfile */ 547d840867fSab196087 #define FLG_IF_HSTRTAB 0x00004000 /* file has a string section */ 548d840867fSab196087 #define FLG_IF_FILEREF 0x00008000 /* file contains a section which */ 5497c478bd9Sstevel@tonic-gate /* is included in the output */ 5507c478bd9Sstevel@tonic-gate /* allocatable image */ 551d840867fSab196087 #define FLG_IF_GNUVER 0x00010000 /* file used GNU-style versioning */ 5520e233487SRod Evans #define FLG_IF_ORDERED 0x00020000 /* ordered section processing */ 5530e233487SRod Evans /* required */ 5547c478bd9Sstevel@tonic-gate 5557c478bd9Sstevel@tonic-gate struct is_desc { /* input section descriptor */ 5560e233487SRod Evans const char *is_name; /* original section name */ 5577c478bd9Sstevel@tonic-gate Shdr *is_shdr; /* the elf section header */ 5587c478bd9Sstevel@tonic-gate Ifl_desc *is_file; /* infile desc for this section */ 5597c478bd9Sstevel@tonic-gate Os_desc *is_osdesc; /* new output section for this */ 5607c478bd9Sstevel@tonic-gate /* input section */ 5617c478bd9Sstevel@tonic-gate Elf_Data *is_indata; /* input sections raw data */ 5627c478bd9Sstevel@tonic-gate Is_desc *is_symshndx; /* related SHT_SYM_SHNDX section */ 5637c478bd9Sstevel@tonic-gate Word is_scnndx; /* original section index in file */ 5647c478bd9Sstevel@tonic-gate Word is_txtndx; /* Index for section. Used to decide */ 5657c478bd9Sstevel@tonic-gate /* where to insert section when */ 5667c478bd9Sstevel@tonic-gate /* reordering sections */ 5670e233487SRod Evans Word is_keyident; /* key for SHF_ORDERED processing */ 5680e233487SRod Evans /* and identifier used for */ 5690e233487SRod Evans /* placing/ordering sections */ 5700e233487SRod Evans Word is_flags; /* Various flags */ 5717c478bd9Sstevel@tonic-gate }; 5727c478bd9Sstevel@tonic-gate 5730e233487SRod Evans #define FLG_IS_ORDERED 0x0001 /* this is a SHF_ORDERED section */ 5740e233487SRod Evans #define FLG_IS_KEY 0x0002 /* section requires sort keys */ 5757c478bd9Sstevel@tonic-gate #define FLG_IS_DISCARD 0x0004 /* section is to be discarded */ 5767c478bd9Sstevel@tonic-gate #define FLG_IS_RELUPD 0x0008 /* symbol defined here may have moved */ 5777c478bd9Sstevel@tonic-gate #define FLG_IS_SECTREF 0x0010 /* section has been referenced */ 5787c478bd9Sstevel@tonic-gate #define FLG_IS_GDATADEF 0x0020 /* section contains global data sym */ 57954d82594Sseizo #define FLG_IS_EXTERNAL 0x0040 /* isp from an user file */ 580cce0e03bSab196087 #define FLG_IS_INSTRMRG 0x0080 /* Usable SHF_MERGE|SHF_STRINGS sec */ 581cce0e03bSab196087 #define FLG_IS_GNSTRMRG 0x0100 /* Generated mergeable string section */ 5820e233487SRod Evans #define FLG_IS_GROUPS 0x0200 /* section has groups to process */ 5830e233487SRod Evans #define FLG_IS_PLACE 0x0400 /* section requires to be placed */ 5840e233487SRod Evans #define FLG_IS_COMDAT 0x0800 /* section is COMDAT */ 5857c478bd9Sstevel@tonic-gate 5867c478bd9Sstevel@tonic-gate /* 5877c478bd9Sstevel@tonic-gate * Map file and output file processing structures 5887c478bd9Sstevel@tonic-gate */ 5897c478bd9Sstevel@tonic-gate struct os_desc { /* Output section descriptor */ 5907c478bd9Sstevel@tonic-gate const char *os_name; /* the section name */ 5917c478bd9Sstevel@tonic-gate Elf_Scn *os_scn; /* the elf section descriptor */ 5927c478bd9Sstevel@tonic-gate Shdr *os_shdr; /* the elf section header */ 5937c478bd9Sstevel@tonic-gate Os_desc *os_relosdesc; /* the output relocation section */ 5947c478bd9Sstevel@tonic-gate List os_relisdescs; /* reloc input section descriptors */ 5957c478bd9Sstevel@tonic-gate /* for this output section */ 5967c478bd9Sstevel@tonic-gate List os_isdescs; /* list of input sections in output */ 597cce0e03bSab196087 APlist *os_mstrisdescs; /* FLG_IS_INSTRMRG input sections */ 5987c478bd9Sstevel@tonic-gate Sort_desc *os_sort; /* used for sorting sections */ 5997c478bd9Sstevel@tonic-gate Sg_desc *os_sgdesc; /* segment os_desc is placed on */ 6007c478bd9Sstevel@tonic-gate Elf_Data *os_outdata; /* output sections raw data */ 6010e233487SRod Evans APlist *os_comdats; /* list of COMDAT sections present */ 6027c478bd9Sstevel@tonic-gate /* in current output section */ 6037c478bd9Sstevel@tonic-gate Word os_scnsymndx; /* index in output symtab of section */ 6047c478bd9Sstevel@tonic-gate /* symbol for this section */ 6057c478bd9Sstevel@tonic-gate Word os_txtndx; /* Index for section. Used to decide */ 6067c478bd9Sstevel@tonic-gate /* where to insert section when */ 6077c478bd9Sstevel@tonic-gate /* reordering sections */ 6087c478bd9Sstevel@tonic-gate Xword os_szoutrels; /* size of output relocation section */ 6097c478bd9Sstevel@tonic-gate uint_t os_namehash; /* hash on section name */ 6107c478bd9Sstevel@tonic-gate uchar_t os_flags; /* various flags */ 6117c478bd9Sstevel@tonic-gate }; 6127c478bd9Sstevel@tonic-gate 6130e233487SRod Evans #define FLG_OS_KEY 0x01 /* section requires sort keys */ 6147c478bd9Sstevel@tonic-gate #define FLG_OS_OUTREL 0x02 /* output rel against this section */ 615dd94ecefSrie #define FLG_OS_SECTREF 0x04 /* isps are not affected by -zignore */ 6167c478bd9Sstevel@tonic-gate 6177c478bd9Sstevel@tonic-gate /* 6187c478bd9Sstevel@tonic-gate * For sorting sections. 6197c478bd9Sstevel@tonic-gate */ 6207c478bd9Sstevel@tonic-gate struct sort_desc { 6217c478bd9Sstevel@tonic-gate Is_desc **st_order; 6227c478bd9Sstevel@tonic-gate Word st_ordercnt; 6237c478bd9Sstevel@tonic-gate Is_desc **st_before; 6247c478bd9Sstevel@tonic-gate Word st_beforecnt; 6257c478bd9Sstevel@tonic-gate Is_desc **st_after; 6267c478bd9Sstevel@tonic-gate Word st_aftercnt; 6277c478bd9Sstevel@tonic-gate }; 6287c478bd9Sstevel@tonic-gate 6297c478bd9Sstevel@tonic-gate struct sg_desc { /* output segment descriptor */ 6307c478bd9Sstevel@tonic-gate Phdr sg_phdr; /* segment header for output file */ 6317c478bd9Sstevel@tonic-gate const char *sg_name; /* segment name */ 6327c478bd9Sstevel@tonic-gate Xword sg_round; /* data rounding required (mapfile) */ 6337c478bd9Sstevel@tonic-gate Xword sg_length; /* maximum segment length; if 0 */ 6347c478bd9Sstevel@tonic-gate /* segment is not specified */ 635cce0e03bSab196087 APlist *sg_osdescs; /* list of output section descriptors */ 636cce0e03bSab196087 APlist *sg_secorder; /* list specifying section ordering */ 6370bc07c75Srie /* for the segment */ 6387c478bd9Sstevel@tonic-gate Half sg_flags; 6397c478bd9Sstevel@tonic-gate Sym_desc *sg_sizesym; /* size symbol for this segment */ 6407c478bd9Sstevel@tonic-gate Xword sg_addralign; /* LCM of sh_addralign */ 6417c478bd9Sstevel@tonic-gate Elf_Scn *sg_fscn; /* the SCN of the first section. */ 6427c478bd9Sstevel@tonic-gate }; 6437c478bd9Sstevel@tonic-gate 6447c478bd9Sstevel@tonic-gate 6457c478bd9Sstevel@tonic-gate #define FLG_SG_VADDR 0x0001 /* vaddr segment attribute set */ 6467c478bd9Sstevel@tonic-gate #define FLG_SG_PADDR 0x0002 /* paddr segment attribute set */ 6477c478bd9Sstevel@tonic-gate #define FLG_SG_LENGTH 0x0004 /* length segment attribute set */ 6487c478bd9Sstevel@tonic-gate #define FLG_SG_ALIGN 0x0008 /* align segment attribute set */ 6497c478bd9Sstevel@tonic-gate #define FLG_SG_ROUND 0x0010 /* round segment attribute set */ 6507c478bd9Sstevel@tonic-gate #define FLG_SG_FLAGS 0x0020 /* flags segment attribute set */ 6517c478bd9Sstevel@tonic-gate #define FLG_SG_TYPE 0x0040 /* type segment attribute set */ 6527c478bd9Sstevel@tonic-gate #define FLG_SG_ORDER 0x0080 /* has ordering been turned on for */ 6537c478bd9Sstevel@tonic-gate /* this segment. */ 6547c478bd9Sstevel@tonic-gate /* i.e. ?[O] option in mapfile */ 6557c478bd9Sstevel@tonic-gate #define FLG_SG_NOHDR 0x0100 /* don't map ELF or phdrs into */ 6567c478bd9Sstevel@tonic-gate /* this segment */ 6577c478bd9Sstevel@tonic-gate #define FLG_SG_EMPTY 0x0200 /* an empty segment specification */ 6587c478bd9Sstevel@tonic-gate /* no input sections will be */ 6597c478bd9Sstevel@tonic-gate /* associated to this section */ 6600e233487SRod Evans #define FLG_SG_KEY 0x0400 /* segment requires sort keys */ 6617c478bd9Sstevel@tonic-gate #define FLG_SG_DISABLED 0x0800 /* this segment is disabled */ 66254d82594Sseizo #define FLG_SG_PHREQ 0x1000 /* this segment requires a program */ 66354d82594Sseizo /* header */ 6647c478bd9Sstevel@tonic-gate 6657c478bd9Sstevel@tonic-gate struct sec_order { 6667c478bd9Sstevel@tonic-gate const char *sco_secname; /* section name to be ordered */ 6677c478bd9Sstevel@tonic-gate Word sco_index; /* ordering index for section */ 6687c478bd9Sstevel@tonic-gate Half sco_flags; 6697c478bd9Sstevel@tonic-gate }; 6707c478bd9Sstevel@tonic-gate 6717c478bd9Sstevel@tonic-gate #define FLG_SGO_USED 0x0001 /* was ordering used? */ 6727c478bd9Sstevel@tonic-gate 6737c478bd9Sstevel@tonic-gate struct ent_desc { /* input section entrance criteria */ 6747c478bd9Sstevel@tonic-gate List ec_files; /* files from which to accept */ 6757c478bd9Sstevel@tonic-gate /* sections */ 6767c478bd9Sstevel@tonic-gate const char *ec_name; /* name to match (NULL if none) */ 6777c478bd9Sstevel@tonic-gate Word ec_type; /* section type */ 67854d82594Sseizo Word ec_attrmask; /* section attribute mask (AWX) */ 67954d82594Sseizo Word ec_attrbits; /* sections attribute bits */ 6807c478bd9Sstevel@tonic-gate Sg_desc *ec_segment; /* output segment to enter if matched */ 6817c478bd9Sstevel@tonic-gate Word ec_ndx; /* index to determine where section */ 6827c478bd9Sstevel@tonic-gate /* meeting this criteria should */ 6837c478bd9Sstevel@tonic-gate /* inserted. Used for reordering */ 6847c478bd9Sstevel@tonic-gate /* of sections. */ 6857c478bd9Sstevel@tonic-gate Half ec_flags; 6867c478bd9Sstevel@tonic-gate }; 6877c478bd9Sstevel@tonic-gate 6887c478bd9Sstevel@tonic-gate #define FLG_EC_USED 0x0001 /* entrance criteria met? */ 6897c478bd9Sstevel@tonic-gate 6907c478bd9Sstevel@tonic-gate /* 6917c478bd9Sstevel@tonic-gate * Move supplementary structures 6927c478bd9Sstevel@tonic-gate * Sorted by symbol local/global and then by name. 6937c478bd9Sstevel@tonic-gate */ 6947c478bd9Sstevel@tonic-gate typedef struct psym_info { 6957c478bd9Sstevel@tonic-gate Sym_desc *psym_symd; /* partially initialized symbol */ 6967c478bd9Sstevel@tonic-gate Word psym_num; /* number of move entires */ 6977c478bd9Sstevel@tonic-gate Half psym_flag; /* various flag */ 6987c478bd9Sstevel@tonic-gate List psym_mvs; /* the list of move entries */ 6997c478bd9Sstevel@tonic-gate } Psym_info; 7007c478bd9Sstevel@tonic-gate 7017c478bd9Sstevel@tonic-gate #define FLG_PSYM_OVERLAP 0x01 /* Overlapping */ 7027c478bd9Sstevel@tonic-gate 7037c478bd9Sstevel@tonic-gate /* 7047c478bd9Sstevel@tonic-gate * One structure is allocated for a move entry. 7057c478bd9Sstevel@tonic-gate */ 7067c478bd9Sstevel@tonic-gate typedef struct mv_itm { 7077c478bd9Sstevel@tonic-gate Xword mv_start; /* start position */ 7087c478bd9Sstevel@tonic-gate Xword mv_length; /* The length of initialization */ 7097c478bd9Sstevel@tonic-gate Half mv_flag; /* various flags */ 7107c478bd9Sstevel@tonic-gate Is_desc *mv_isp; /* input desc. this entry is from */ 7117c478bd9Sstevel@tonic-gate Move *mv_ientry; /* Input Move_entry */ 7127c478bd9Sstevel@tonic-gate Word mv_oidx; /* Output Move_entry index */ 7137c478bd9Sstevel@tonic-gate } Mv_itm; 7147c478bd9Sstevel@tonic-gate 7157c478bd9Sstevel@tonic-gate #define FLG_MV_OUTSECT 0x01 /* Will be in move section */ 7167c478bd9Sstevel@tonic-gate 7177c478bd9Sstevel@tonic-gate /* 7187c478bd9Sstevel@tonic-gate * Define a move descripter used within relocation structures. 7197c478bd9Sstevel@tonic-gate */ 7207c478bd9Sstevel@tonic-gate struct mv_desc { 7217c478bd9Sstevel@tonic-gate Move *mvd_move; 7227c478bd9Sstevel@tonic-gate Sym_desc *mvd_sym; 7237c478bd9Sstevel@tonic-gate }; 7247c478bd9Sstevel@tonic-gate 7257c478bd9Sstevel@tonic-gate struct sym_desc { 7267c478bd9Sstevel@tonic-gate List sd_GOTndxs; /* list of associated GOT entries */ 7277c478bd9Sstevel@tonic-gate Sym *sd_sym; /* pointer to symbol table entry */ 7287c478bd9Sstevel@tonic-gate Sym *sd_osym; /* copy of the original symbol entry */ 729d326b23bSrie /* used only for local partial */ 730d326b23bSrie Psym_info *sd_psyminfo; /* for partial symbols, maintain a */ 731d326b23bSrie /* pointer to parsym_info */ 7327c478bd9Sstevel@tonic-gate const char *sd_name; /* symbols name */ 7337c478bd9Sstevel@tonic-gate Ifl_desc *sd_file; /* file where symbol is taken */ 7347c478bd9Sstevel@tonic-gate Is_desc *sd_isc; /* input section of symbol definition */ 7357c478bd9Sstevel@tonic-gate Sym_aux *sd_aux; /* auxiliary global symbol info. */ 7367c478bd9Sstevel@tonic-gate Word sd_symndx; /* index in output symbol table */ 7377c478bd9Sstevel@tonic-gate Word sd_shndx; /* sect. index sym is associated w/ */ 7387c478bd9Sstevel@tonic-gate Word sd_flags; /* state flags */ 7397c478bd9Sstevel@tonic-gate Half sd_flags1; /* more symbol flags */ 7407c478bd9Sstevel@tonic-gate Half sd_ref; /* reference definition of symbol */ 7417c478bd9Sstevel@tonic-gate }; 7427c478bd9Sstevel@tonic-gate 7437c478bd9Sstevel@tonic-gate /* 7447c478bd9Sstevel@tonic-gate * The auxiliary symbol descriptor contains the additional information (beyond 7457c478bd9Sstevel@tonic-gate * the symbol descriptor) required to process global symbols. These symbols are 7467c478bd9Sstevel@tonic-gate * accessed via an internal symbol hash table where locality of reference is 7477c478bd9Sstevel@tonic-gate * important for performance. 7487c478bd9Sstevel@tonic-gate */ 7497c478bd9Sstevel@tonic-gate struct sym_aux { 7507c478bd9Sstevel@tonic-gate List sa_dfiles; /* files where symbol is defined */ 7517c478bd9Sstevel@tonic-gate Sym sa_sym; /* copy of symtab entry */ 7527c478bd9Sstevel@tonic-gate const char *sa_vfile; /* first unavailable definition */ 7537c478bd9Sstevel@tonic-gate Ifl_desc *sa_bindto; /* symbol to bind to - for translator */ 7547c478bd9Sstevel@tonic-gate const char *sa_rfile; /* file with first symbol referenced */ 7557c478bd9Sstevel@tonic-gate Word sa_hash; /* the pure hash value of symbol */ 7567c478bd9Sstevel@tonic-gate Word sa_PLTndx; /* index into PLT for symbol */ 7577c478bd9Sstevel@tonic-gate Word sa_PLTGOTndx; /* GOT entry indx for PLT indirection */ 758d579eb63Sab196087 Word sa_linkndx; /* index of associated symbol from */ 759d579eb63Sab196087 /* ET_DYN file */ 7607c478bd9Sstevel@tonic-gate Half sa_symspec; /* special symbol ids */ 7617c478bd9Sstevel@tonic-gate Half sa_overndx; /* output file versioning index */ 7627c478bd9Sstevel@tonic-gate Half sa_dverndx; /* dependency versioning index */ 7637c478bd9Sstevel@tonic-gate }; 7647c478bd9Sstevel@tonic-gate 7657c478bd9Sstevel@tonic-gate 7667c478bd9Sstevel@tonic-gate /* 7677c478bd9Sstevel@tonic-gate * Nodes used to track symbols in the global AVL symbol dictionary. 7687c478bd9Sstevel@tonic-gate */ 7697c478bd9Sstevel@tonic-gate struct sym_avlnode { 7707c478bd9Sstevel@tonic-gate avl_node_t sav_node; /* AVL node */ 7717c478bd9Sstevel@tonic-gate Word sav_hash; /* symbol hash value */ 7727c478bd9Sstevel@tonic-gate const char *sav_name; /* symbol name */ 7737c478bd9Sstevel@tonic-gate Sym_desc *sav_symdesc; /* SymDesc entry */ 7747c478bd9Sstevel@tonic-gate }; 7757c478bd9Sstevel@tonic-gate 7767c478bd9Sstevel@tonic-gate /* 7777c478bd9Sstevel@tonic-gate * These are the ids for processing of `Special symbols'. They are used 7787c478bd9Sstevel@tonic-gate * to set the sym->sd_aux->sa_symspec field. 7797c478bd9Sstevel@tonic-gate */ 7807c478bd9Sstevel@tonic-gate #define SDAUX_ID_ETEXT 1 /* etext && _etext symbol */ 7817c478bd9Sstevel@tonic-gate #define SDAUX_ID_EDATA 2 /* edata && _edata symbol */ 7827c478bd9Sstevel@tonic-gate #define SDAUX_ID_END 3 /* end, _end, && _END_ symbol */ 7837c478bd9Sstevel@tonic-gate #define SDAUX_ID_DYN 4 /* DYNAMIC && _DYNAMIC symbol */ 7847c478bd9Sstevel@tonic-gate #define SDAUX_ID_PLT 5 /* _PROCEDURE_LINKAGE_TABLE_ symbol */ 7857c478bd9Sstevel@tonic-gate #define SDAUX_ID_GOT 6 /* _GLOBAL_OFFSET_TABLE_ symbol */ 7867c478bd9Sstevel@tonic-gate #define SDAUX_ID_START 7 /* START_ && _START_ symbol */ 7877c478bd9Sstevel@tonic-gate 7887c478bd9Sstevel@tonic-gate /* 7897c478bd9Sstevel@tonic-gate * Flags for sym_desc.sd_flags 7907c478bd9Sstevel@tonic-gate */ 7917c478bd9Sstevel@tonic-gate #define FLG_SY_MVTOCOMM 0x00000001 /* assign symbol to common (.bss) */ 7927c478bd9Sstevel@tonic-gate /* this is a result of a */ 7937c478bd9Sstevel@tonic-gate /* copy reloc against sym */ 7947c478bd9Sstevel@tonic-gate #define FLG_SY_GLOBREF 0x00000002 /* a global reference has been seen */ 7957c478bd9Sstevel@tonic-gate #define FLG_SY_WEAKDEF 0x00000004 /* a weak definition has been used */ 7967c478bd9Sstevel@tonic-gate #define FLG_SY_CLEAN 0x00000008 /* `Sym' entry points to original */ 7977c478bd9Sstevel@tonic-gate /* input file (read-only). */ 7987c478bd9Sstevel@tonic-gate #define FLG_SY_UPREQD 0x00000010 /* symbol value update is required, */ 7997c478bd9Sstevel@tonic-gate /* either it's used as an entry */ 8007c478bd9Sstevel@tonic-gate /* point or for relocation, but */ 8017c478bd9Sstevel@tonic-gate /* it must be updated even if */ 8027c478bd9Sstevel@tonic-gate /* the -s flag is in effect */ 8037c478bd9Sstevel@tonic-gate #define FLG_SY_NOTAVAIL 0x00000020 /* symbol is not available to the */ 8047c478bd9Sstevel@tonic-gate /* application either because it */ 8057c478bd9Sstevel@tonic-gate /* originates from an implicitly */ 8067c478bd9Sstevel@tonic-gate /* referenced shared object, or */ 8077c478bd9Sstevel@tonic-gate /* because it is not part of a */ 8087c478bd9Sstevel@tonic-gate /* specified version. */ 8097c478bd9Sstevel@tonic-gate #define FLG_SY_REDUCED 0x00000040 /* a global is reduced to local */ 8107c478bd9Sstevel@tonic-gate #define FLG_SY_VERSPROM 0x00000080 /* version definition has been */ 8117c478bd9Sstevel@tonic-gate /* promoted to output file */ 8127c478bd9Sstevel@tonic-gate #define FLG_SY_PROT 0x00000100 /* stv_protected visibility seen */ 8137c478bd9Sstevel@tonic-gate 8147c478bd9Sstevel@tonic-gate #define FLG_SY_MAPREF 0x00000200 /* symbol reference generated by user */ 8157c478bd9Sstevel@tonic-gate /* from mapfile */ 8167c478bd9Sstevel@tonic-gate #define FLG_SY_REFRSD 0x00000400 /* symbols sd_ref has been raised */ 8177c478bd9Sstevel@tonic-gate /* due to a copy-relocs */ 8187c478bd9Sstevel@tonic-gate /* weak-strong pairing */ 8199a411307Srie #define FLG_SY_INTPOSE 0x00000800 /* symbol defines an interposer */ 8207c478bd9Sstevel@tonic-gate #define FLG_SY_INVALID 0x00001000 /* unwanted/erroneous symbol */ 8217c478bd9Sstevel@tonic-gate #define FLG_SY_SMGOT 0x00002000 /* small got index assigned to symbol */ 8227c478bd9Sstevel@tonic-gate /* sparc only */ 8237c478bd9Sstevel@tonic-gate #define FLG_SY_PARENT 0x00004000 /* symbol to be found in parent */ 8247c478bd9Sstevel@tonic-gate /* only used with direct bindings */ 8257c478bd9Sstevel@tonic-gate #define FLG_SY_LAZYLD 0x00008000 /* symbol to cause lazyloading of */ 8267c478bd9Sstevel@tonic-gate /* parent object */ 8277c478bd9Sstevel@tonic-gate #define FLG_SY_ISDISC 0x00010000 /* symbol is a member of a DISCARDED */ 8287c478bd9Sstevel@tonic-gate /* section (COMDAT) */ 8297c478bd9Sstevel@tonic-gate #define FLG_SY_PAREXPN 0x00020000 /* partially init. symbol to be */ 8307c478bd9Sstevel@tonic-gate /* expanded */ 8317c478bd9Sstevel@tonic-gate #define FLG_SY_PLTPAD 0x00040000 /* pltpadding has been allocated for */ 8327c478bd9Sstevel@tonic-gate /* this symbol */ 8337c478bd9Sstevel@tonic-gate #define FLG_SY_REGSYM 0x00080000 /* REGISTER symbol (sparc only) */ 8347c478bd9Sstevel@tonic-gate #define FLG_SY_SOFOUND 0x00100000 /* compared against an SO definition */ 8357c478bd9Sstevel@tonic-gate #define FLG_SY_EXTERN 0x00200000 /* symbol is external, allows -zdefs */ 8367c478bd9Sstevel@tonic-gate /* error suppression */ 8377c478bd9Sstevel@tonic-gate #define FLG_SY_MAPUSED 0x00400000 /* mapfile symbol used (occurred */ 8387c478bd9Sstevel@tonic-gate /* within a relocatable object) */ 8397c478bd9Sstevel@tonic-gate #define FLG_SY_COMMEXP 0x00800000 /* COMMON symbol which has been */ 8407c478bd9Sstevel@tonic-gate /* allocated */ 8417c478bd9Sstevel@tonic-gate #define FLG_SY_CMDREF 0x01000000 /* symbol was referenced from the */ 8427c478bd9Sstevel@tonic-gate /* command line. (ld -u <>, */ 8437c478bd9Sstevel@tonic-gate /* ld -zrtldinfo=<>, ...) */ 8447c478bd9Sstevel@tonic-gate #define FLG_SY_SPECSEC 0x02000000 /* section index is reserved value */ 8457c478bd9Sstevel@tonic-gate /* ABS, COMMON, ... */ 8467c478bd9Sstevel@tonic-gate #define FLG_SY_TENTSYM 0x04000000 /* tentative symbol */ 8477c478bd9Sstevel@tonic-gate #define FLG_SY_VISIBLE 0x08000000 /* symbols visibility determined */ 8487c478bd9Sstevel@tonic-gate #define FLG_SY_STDFLTR 0x10000000 /* symbol is a standard filter */ 8497c478bd9Sstevel@tonic-gate #define FLG_SY_AUXFLTR 0x20000000 /* symbol is an auxiliary filter */ 850d579eb63Sab196087 #define FLG_SY_DYNSORT 0x40000000 /* req. in dyn[sym|tls]sort section */ 851d579eb63Sab196087 #define FLG_SY_NODYNSORT 0x80000000 /* excluded from dyn[sym_tls]sort sec */ 8527c478bd9Sstevel@tonic-gate 8537c478bd9Sstevel@tonic-gate /* 8547c478bd9Sstevel@tonic-gate * Sym_desc.sd_flags1 8557c478bd9Sstevel@tonic-gate */ 85660758829Srie #define FLG_SY1_DEFAULT 0x00000001 /* global symbol, default */ 85760758829Srie #define FLG_SY1_SINGLE 0x00000002 /* global symbol, singleton defined */ 85860758829Srie #define FLG_SY1_PROTECT 0x00000004 /* global symbol, protected defined */ 85960758829Srie #define FLG_SY1_EXPORT 0x00000008 /* global symbol, exported defined */ 8607c478bd9Sstevel@tonic-gate 86160758829Srie #define MSK_SY1_GLOBAL \ 86260758829Srie (FLG_SY1_DEFAULT | FLG_SY1_SINGLE | FLG_SY1_PROTECT | FLG_SY1_EXPORT) 86360758829Srie /* this mask indicates that the */ 86460758829Srie /* symbol has been explicitly */ 86560758829Srie /* defined within a mapfile */ 86660758829Srie /* definition, and is a candidate */ 86760758829Srie /* for versioning */ 86860758829Srie 86960758829Srie #define FLG_SY1_HIDDEN 0x00000010 /* global symbol, reduce to local */ 87060758829Srie #define FLG_SY1_ELIM 0x00000020 /* global symbol, eliminate */ 87160758829Srie #define FLG_SY1_IGNORE 0x00000040 /* global symbol, ignored */ 87260758829Srie 87360758829Srie #define MSK_SY1_LOCAL (FLG_SY1_HIDDEN | FLG_SY1_ELIM | FLG_SY1_IGNORE) 87460758829Srie /* this mask allows all local state */ 87560758829Srie /* flags to be removed when the */ 87660758829Srie /* symbol is copy relocated */ 87760758829Srie 87860758829Srie #define FLG_SY1_EXPDEF 0x00000100 /* symbol visibility defined */ 87960758829Srie /* explicitly */ 88060758829Srie 88160758829Srie #define MSK_SY1_NOAUTO (FLG_SY1_SINGLE | FLG_SY1_EXPORT | FLG_SY1_EXPDEF) 88260758829Srie /* this mask indicates that the */ 88360758829Srie /* symbol is not a candidate for */ 88460758829Srie /* auto-reduction/elimination */ 88560758829Srie 88660758829Srie #define FLG_SY1_MAPFILE 0x00000200 /* symbol attribute defined in a */ 88760758829Srie /* mapfile */ 88860758829Srie #define FLG_SY1_DIR 0x00000400 /* global symbol, direct bindings */ 88960758829Srie #define FLG_SY1_NDIR 0x00000800 /* global symbol, nondirect bindings */ 8907c478bd9Sstevel@tonic-gate 8917c478bd9Sstevel@tonic-gate /* 89260758829Srie * Create a mask for (sym.st_other & visibility) since the gABI does not yet 89360758829Srie * define a ELF*_ST_OTHER macro. 8947c478bd9Sstevel@tonic-gate */ 89560758829Srie #define MSK_SYM_VISIBILITY 0x7 8967c478bd9Sstevel@tonic-gate 8977c478bd9Sstevel@tonic-gate /* 8987c478bd9Sstevel@tonic-gate * Structure to manage the shared object definition lists. There are two lists 8997c478bd9Sstevel@tonic-gate * that use this structure: 9007c478bd9Sstevel@tonic-gate * 9017c478bd9Sstevel@tonic-gate * o ofl_soneed; maintain the list of implicitly required dependencies 9027c478bd9Sstevel@tonic-gate * (ie. shared objects needed by other shared objects). These definitions 9037c478bd9Sstevel@tonic-gate * may include RPATH's required to locate the dependencies, and any 9047c478bd9Sstevel@tonic-gate * version requirements. 9057c478bd9Sstevel@tonic-gate * 9067c478bd9Sstevel@tonic-gate * o ofl_socntl; maintains the shared object control definitions. These are 9077c478bd9Sstevel@tonic-gate * provided by the user (via a mapfile) and are used to indicate any 9087c478bd9Sstevel@tonic-gate * SONAME translations and verion control requirements. 9097c478bd9Sstevel@tonic-gate */ 9107c478bd9Sstevel@tonic-gate struct sdf_desc { 9117c478bd9Sstevel@tonic-gate const char *sdf_name; /* the shared objects file name */ 9127c478bd9Sstevel@tonic-gate const char *sdf_soname; /* the shared objects SONAME */ 9137c478bd9Sstevel@tonic-gate char *sdf_rpath; /* library search path DT_RPATH */ 9147c478bd9Sstevel@tonic-gate const char *sdf_rfile; /* referencing file for diagnostics */ 9157c478bd9Sstevel@tonic-gate Ifl_desc *sdf_file; /* the final input file descriptor */ 9167c478bd9Sstevel@tonic-gate List sdf_vers; /* list of versions that are required */ 9177c478bd9Sstevel@tonic-gate /* from this object */ 9187c478bd9Sstevel@tonic-gate List sdf_verneed; /* list of VERNEEDS to create for */ 9197c478bd9Sstevel@tonic-gate /* this object (via SPECVERS or */ 9207c478bd9Sstevel@tonic-gate /* ADDVERS) */ 9217c478bd9Sstevel@tonic-gate Word sdf_flags; 9227c478bd9Sstevel@tonic-gate }; 9237c478bd9Sstevel@tonic-gate 9247c478bd9Sstevel@tonic-gate #define FLG_SDF_SONAME 0x02 /* An alternative SONAME is supplied */ 9257c478bd9Sstevel@tonic-gate #define FLG_SDF_SELECT 0x04 /* version control selection required */ 9267c478bd9Sstevel@tonic-gate #define FLG_SDF_VERIFY 0x08 /* version definition verification */ 9277c478bd9Sstevel@tonic-gate /* required */ 9287c478bd9Sstevel@tonic-gate #define FLG_SDF_SPECVER 0x10 /* specify VERNEEDS */ 9297c478bd9Sstevel@tonic-gate #define FLG_SDF_ADDVER 0x20 /* add VERNEED references */ 9307c478bd9Sstevel@tonic-gate 9317c478bd9Sstevel@tonic-gate /* 9327c478bd9Sstevel@tonic-gate * Structure to manage shared object version usage requirements. 9337c478bd9Sstevel@tonic-gate */ 9347c478bd9Sstevel@tonic-gate struct sdv_desc { 9357c478bd9Sstevel@tonic-gate const char *sdv_name; /* version name */ 9367c478bd9Sstevel@tonic-gate const char *sdv_ref; /* versions reference */ 9377c478bd9Sstevel@tonic-gate Word sdv_flags; /* flags */ 9387c478bd9Sstevel@tonic-gate }; 9397c478bd9Sstevel@tonic-gate 9407c478bd9Sstevel@tonic-gate #define FLG_SDV_MATCHED 0x01 /* VERDEF found and matched */ 9417c478bd9Sstevel@tonic-gate 9427c478bd9Sstevel@tonic-gate /* 9437c478bd9Sstevel@tonic-gate * Structures to manage versioning information. Two versioning structures are 9447c478bd9Sstevel@tonic-gate * defined: 9457c478bd9Sstevel@tonic-gate * 9467c478bd9Sstevel@tonic-gate * o a version descriptor maintains a linked list of versions and their 9477c478bd9Sstevel@tonic-gate * associated dependencies. This is used to build the version definitions 9487c478bd9Sstevel@tonic-gate * for an image being created (see map_symbol), and to determine the 9497c478bd9Sstevel@tonic-gate * version dependency graph for any input files that are versioned. 9507c478bd9Sstevel@tonic-gate * 9517c478bd9Sstevel@tonic-gate * o a version index array contains each version of an input file that is 9527c478bd9Sstevel@tonic-gate * being processed. It informs us which versions are available for 9537c478bd9Sstevel@tonic-gate * binding, and is used to generate any version dependency information. 9547c478bd9Sstevel@tonic-gate */ 9557c478bd9Sstevel@tonic-gate struct ver_desc { 9567c478bd9Sstevel@tonic-gate const char *vd_name; /* version name */ 9577c478bd9Sstevel@tonic-gate Word vd_hash; /* hash value of name */ 9587c478bd9Sstevel@tonic-gate Ifl_desc *vd_file; /* file that defined version */ 9597c478bd9Sstevel@tonic-gate Half vd_ndx; /* coordinates with symbol index */ 9607c478bd9Sstevel@tonic-gate Half vd_flags; /* version information */ 9617c478bd9Sstevel@tonic-gate List vd_deps; /* version dependencies */ 9627c478bd9Sstevel@tonic-gate Ver_desc *vd_ref; /* dependency's first reference */ 9637c478bd9Sstevel@tonic-gate }; 9647c478bd9Sstevel@tonic-gate 9657c478bd9Sstevel@tonic-gate struct ver_index { 9667c478bd9Sstevel@tonic-gate const char *vi_name; /* dependency version name */ 9677c478bd9Sstevel@tonic-gate Half vi_flags; /* communicates availability */ 968*090a8d9eSAli Bahrami Half vi_overndx; /* Index asssigned to this version in */ 969*090a8d9eSAli Bahrami /* output object Verneed section */ 9707c478bd9Sstevel@tonic-gate Ver_desc *vi_desc; /* cross reference to descriptor */ 9717c478bd9Sstevel@tonic-gate }; 9727c478bd9Sstevel@tonic-gate 9737c478bd9Sstevel@tonic-gate /* 9747c478bd9Sstevel@tonic-gate * Define any internal version descriptor flags ([vd|vi]_flags). Note that the 9757c478bd9Sstevel@tonic-gate * first byte is reserved for user visible flags (refer VER_FLG's in link.h). 9767c478bd9Sstevel@tonic-gate */ 9777c478bd9Sstevel@tonic-gate #define MSK_VER_USER 0x0f /* mask for user visible flags */ 9787c478bd9Sstevel@tonic-gate 9797c478bd9Sstevel@tonic-gate #define FLG_VER_AVAIL 0x10 /* version is available for binding */ 9807c478bd9Sstevel@tonic-gate #define FLG_VER_REFER 0x20 /* version has been referenced */ 981*090a8d9eSAli Bahrami #define FLG_VER_SPECVER 0x40 /* via $SPECVERS in mapfile. */ 982*090a8d9eSAli Bahrami /* Cannot be normalized away */ 9837c478bd9Sstevel@tonic-gate #define FLG_VER_CYCLIC 0x80 /* a member of cyclic dependency */ 9847c478bd9Sstevel@tonic-gate 9857c478bd9Sstevel@tonic-gate /* 9867c478bd9Sstevel@tonic-gate * isalist(1) descriptor - used to break an isalist string into its component 9877c478bd9Sstevel@tonic-gate * options. 9887c478bd9Sstevel@tonic-gate */ 9897c478bd9Sstevel@tonic-gate struct isa_opt { 9907c478bd9Sstevel@tonic-gate char *isa_name; /* individual isa option name */ 9917c478bd9Sstevel@tonic-gate size_t isa_namesz; /* and associated size */ 9927c478bd9Sstevel@tonic-gate }; 9937c478bd9Sstevel@tonic-gate 9947c478bd9Sstevel@tonic-gate struct isa_desc { 9957c478bd9Sstevel@tonic-gate char *isa_list; /* sysinfo(SI_ISALIST) list */ 9967c478bd9Sstevel@tonic-gate size_t isa_listsz; /* and associated size */ 9977c478bd9Sstevel@tonic-gate Isa_opt *isa_opt; /* table of individual isa options */ 9987c478bd9Sstevel@tonic-gate size_t isa_optno; /* and associated number */ 9997c478bd9Sstevel@tonic-gate }; 10007c478bd9Sstevel@tonic-gate 10017c478bd9Sstevel@tonic-gate /* 10027c478bd9Sstevel@tonic-gate * uname(2) descriptor - used to break a utsname structure into its component 10037c478bd9Sstevel@tonic-gate * options (at least those that we're interested in). 10047c478bd9Sstevel@tonic-gate */ 10057c478bd9Sstevel@tonic-gate struct uts_desc { 10067c478bd9Sstevel@tonic-gate char *uts_osname; /* operating system name */ 10077c478bd9Sstevel@tonic-gate size_t uts_osnamesz; /* and associated size */ 10087c478bd9Sstevel@tonic-gate char *uts_osrel; /* operating system release */ 10097c478bd9Sstevel@tonic-gate size_t uts_osrelsz; /* and associated size */ 10107c478bd9Sstevel@tonic-gate }; 10117c478bd9Sstevel@tonic-gate 10127c478bd9Sstevel@tonic-gate /* 10137c478bd9Sstevel@tonic-gate * SHT_GROUP descriptor - used to track group sections at the global 10140e233487SRod Evans * level to resolve conflicts and determine which to keep. 10157c478bd9Sstevel@tonic-gate */ 10167c478bd9Sstevel@tonic-gate struct group_desc { 10170e233487SRod Evans Is_desc *gd_isc; /* input section descriptor */ 10180e233487SRod Evans Is_desc *gd_oisc; /* overriding input section */ 10190e233487SRod Evans /* descriptor when discarded */ 10200e233487SRod Evans const char *gd_name; /* group name (signature symbol) */ 1021cc7efc4fSrie Word *gd_data; /* data for group section */ 1022cc7efc4fSrie size_t gd_cnt; /* number of entries in group data */ 10237c478bd9Sstevel@tonic-gate }; 10247c478bd9Sstevel@tonic-gate 10257c478bd9Sstevel@tonic-gate /* 10267c478bd9Sstevel@tonic-gate * Indexes into the ld_support_funcs[] table. 10277c478bd9Sstevel@tonic-gate */ 10287c478bd9Sstevel@tonic-gate typedef enum { 10297c478bd9Sstevel@tonic-gate LDS_VERSION = 0, 10307c478bd9Sstevel@tonic-gate LDS_INPUT_DONE, 10317c478bd9Sstevel@tonic-gate LDS_START, 10327c478bd9Sstevel@tonic-gate LDS_ATEXIT, 10333906e0c2Srie LDS_OPEN, 10347c478bd9Sstevel@tonic-gate LDS_FILE, 10352926dd2eSrie LDS_INSEC, 10362926dd2eSrie LDS_SEC, 10377c478bd9Sstevel@tonic-gate LDS_NUM 10387c478bd9Sstevel@tonic-gate } Support_ndx; 10397c478bd9Sstevel@tonic-gate 10407c478bd9Sstevel@tonic-gate /* 10417c478bd9Sstevel@tonic-gate * Structure to manage archive member caching. Each archive has an archive 10427c478bd9Sstevel@tonic-gate * descriptor (Ar_desc) associated with it. This contains pointers to the 10437c478bd9Sstevel@tonic-gate * archive symbol table (obtained by elf_getarsyms(3e)) and an auxiliary 10447c478bd9Sstevel@tonic-gate * structure (Ar_uax[]) that parallels this symbol table. The member element 10457c478bd9Sstevel@tonic-gate * of this auxiliary table indicates whether the archive member associated with 10467c478bd9Sstevel@tonic-gate * the symbol offset has already been extracted (AREXTRACTED) or partially 10477c478bd9Sstevel@tonic-gate * processed (refer process_member()). 10487c478bd9Sstevel@tonic-gate */ 10497c478bd9Sstevel@tonic-gate typedef struct ar_mem { 10507c478bd9Sstevel@tonic-gate Elf *am_elf; /* elf descriptor for this member */ 10517c478bd9Sstevel@tonic-gate char *am_name; /* members name */ 10527c478bd9Sstevel@tonic-gate char *am_path; /* path (ie. lib(foo.o)) */ 10537c478bd9Sstevel@tonic-gate Sym *am_syms; /* start of global symbols */ 10547c478bd9Sstevel@tonic-gate char *am_strs; /* associated string table start */ 10557c478bd9Sstevel@tonic-gate Xword am_symn; /* no. of global symbols */ 10567c478bd9Sstevel@tonic-gate } Ar_mem; 10577c478bd9Sstevel@tonic-gate 10587c478bd9Sstevel@tonic-gate typedef struct ar_aux { 10597c478bd9Sstevel@tonic-gate Sym_desc *au_syms; /* internal symbol descriptor */ 10607c478bd9Sstevel@tonic-gate Ar_mem *au_mem; /* associated member */ 10617c478bd9Sstevel@tonic-gate } Ar_aux; 10627c478bd9Sstevel@tonic-gate 10637c478bd9Sstevel@tonic-gate #define FLG_ARMEM_PROC (Ar_mem *)-1 10647c478bd9Sstevel@tonic-gate 10657c478bd9Sstevel@tonic-gate typedef struct ar_desc { 10667c478bd9Sstevel@tonic-gate const char *ad_name; /* archive file name */ 10677c478bd9Sstevel@tonic-gate Elf *ad_elf; /* elf descriptor for the archive */ 10687c478bd9Sstevel@tonic-gate Elf_Arsym *ad_start; /* archive symbol table start */ 10697c478bd9Sstevel@tonic-gate Ar_aux *ad_aux; /* auxiliary symbol information */ 10707c478bd9Sstevel@tonic-gate dev_t ad_stdev; /* device id and inode number for */ 10717c478bd9Sstevel@tonic-gate ino_t ad_stino; /* multiple inclusion checks */ 10721d9df23bSab196087 ofl_flag_t ad_flags; /* archive specific cmd line flags */ 10737c478bd9Sstevel@tonic-gate } Ar_desc; 10747c478bd9Sstevel@tonic-gate 10757c478bd9Sstevel@tonic-gate /* 10767c478bd9Sstevel@tonic-gate * Define any archive descriptor flags. NOTE, make sure they do not clash with 10777c478bd9Sstevel@tonic-gate * any output file descriptor archive extraction flags, as these are saved in 10787c478bd9Sstevel@tonic-gate * the same entry (see MSK_OF1_ARCHIVE). 10797c478bd9Sstevel@tonic-gate */ 10807c478bd9Sstevel@tonic-gate #define FLG_ARD_EXTRACT 0x00010000 /* archive member has been extracted */ 10817c478bd9Sstevel@tonic-gate 10827c478bd9Sstevel@tonic-gate /* 10835aefb655Srie * Function Declarations. 10847c478bd9Sstevel@tonic-gate */ 10855aefb655Srie #if defined(_ELF64) 10865aefb655Srie 10875aefb655Srie #define ld_create_outfile ld64_create_outfile 10885aefb655Srie #define ld_ent_setup ld64_ent_setup 1089c1c6f601Srie #define ld_init_strings ld64_init_strings 1090ba2be530Sab196087 #define ld_init_target ld64_init_target 10915aefb655Srie #define ld_make_sections ld64_make_sections 10925aefb655Srie #define ld_main ld64_main 10932926dd2eSrie #define ld_ofl_cleanup ld64_ofl_cleanup 10945aefb655Srie #define ld_process_open ld64_process_open 10955aefb655Srie #define ld_reloc_init ld64_reloc_init 10965aefb655Srie #define ld_reloc_process ld64_reloc_process 10975aefb655Srie #define ld_sym_validate ld64_sym_validate 10985aefb655Srie #define ld_update_outfile ld64_update_outfile 10995aefb655Srie 11005aefb655Srie #else 11015aefb655Srie 11025aefb655Srie #define ld_create_outfile ld32_create_outfile 11035aefb655Srie #define ld_ent_setup ld32_ent_setup 1104c1c6f601Srie #define ld_init_strings ld32_init_strings 1105ba2be530Sab196087 #define ld_init_target ld32_init_target 11065aefb655Srie #define ld_make_sections ld32_make_sections 11075aefb655Srie #define ld_main ld32_main 11082926dd2eSrie #define ld_ofl_cleanup ld32_ofl_cleanup 11095aefb655Srie #define ld_process_open ld32_process_open 11105aefb655Srie #define ld_reloc_init ld32_reloc_init 11115aefb655Srie #define ld_reloc_process ld32_reloc_process 11125aefb655Srie #define ld_sym_validate ld32_sym_validate 11135aefb655Srie #define ld_update_outfile ld32_update_outfile 11145aefb655Srie 11155aefb655Srie #endif 11165aefb655Srie 111792a02081SRod Evans extern int ld_getopt(Lm_list *, int, int, char **); 111892a02081SRod Evans 1119ba2be530Sab196087 extern int ld32_main(int, char **, Half); 1120ba2be530Sab196087 extern int ld64_main(int, char **, Half); 11215aefb655Srie 11225aefb655Srie extern uintptr_t ld_create_outfile(Ofl_desc *); 11235aefb655Srie extern uintptr_t ld_ent_setup(Ofl_desc *, Xword); 1124c1c6f601Srie extern uintptr_t ld_init_strings(Ofl_desc *); 1125ba2be530Sab196087 extern int ld_init_target(Lm_list *, Half mach); 11265aefb655Srie extern uintptr_t ld_make_sections(Ofl_desc *); 11272926dd2eSrie extern void ld_ofl_cleanup(Ofl_desc *); 11283906e0c2Srie extern Ifl_desc *ld_process_open(const char *, const char *, int *, 1129d840867fSab196087 Ofl_desc *, Word, Rej_desc *); 11305aefb655Srie extern uintptr_t ld_reloc_init(Ofl_desc *); 11315aefb655Srie extern uintptr_t ld_reloc_process(Ofl_desc *); 11325aefb655Srie extern uintptr_t ld_sym_validate(Ofl_desc *); 11335aefb655Srie extern uintptr_t ld_update_outfile(Ofl_desc *); 11345aefb655Srie 11357c478bd9Sstevel@tonic-gate #ifdef __cplusplus 11367c478bd9Sstevel@tonic-gate } 11377c478bd9Sstevel@tonic-gate #endif 11387c478bd9Sstevel@tonic-gate 11397c478bd9Sstevel@tonic-gate #endif /* _LIBLD_H */ 1140