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 * 26*bf994817SAli Bahrami * Copyright (c) 1992, 2010, Oracle and/or its affiliates. All rights reserved. 277c478bd9Sstevel@tonic-gate */ 287c478bd9Sstevel@tonic-gate 297c478bd9Sstevel@tonic-gate #ifndef _LIBLD_H 307c478bd9Sstevel@tonic-gate #define _LIBLD_H 317c478bd9Sstevel@tonic-gate 327c478bd9Sstevel@tonic-gate #include <stdlib.h> 337c478bd9Sstevel@tonic-gate #include <libelf.h> 347c478bd9Sstevel@tonic-gate #include <sgs.h> 35ba2be530Sab196087 #include <_machelf.h> 367c478bd9Sstevel@tonic-gate #include <string_table.h> 377c478bd9Sstevel@tonic-gate #include <sys/avl.h> 387c478bd9Sstevel@tonic-gate #include <alist.h> 3969112eddSAli Bahrami #include <elfcap.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 /* 104*bf994817SAli Bahrami * Relocation descriptor cache 105*bf994817SAli Bahrami */ 106*bf994817SAli Bahrami struct rel_cache { 107*bf994817SAli Bahrami APlist *rc_list; /* list of Rel_cachebuf */ 108*bf994817SAli Bahrami Word rc_cnt; /* and count */ 109*bf994817SAli Bahrami }; 110*bf994817SAli Bahrami 111*bf994817SAli Bahrami /* 1127c478bd9Sstevel@tonic-gate * GOT reference models 1137c478bd9Sstevel@tonic-gate */ 1147c478bd9Sstevel@tonic-gate typedef enum { 1157c478bd9Sstevel@tonic-gate GOT_REF_GENERIC, /* generic symbol reference */ 1167c478bd9Sstevel@tonic-gate GOT_REF_TLSIE, /* TLS initial exec (gnu) reference */ 1177c478bd9Sstevel@tonic-gate GOT_REF_TLSLD, /* TLS local dynamic reference */ 1187c478bd9Sstevel@tonic-gate GOT_REF_TLSGD /* TLS general dynamic reference */ 1197c478bd9Sstevel@tonic-gate } Gotref; 1207c478bd9Sstevel@tonic-gate 1217c478bd9Sstevel@tonic-gate typedef struct { 1227c478bd9Sstevel@tonic-gate Xword gn_addend; /* addend associated with GOT entry */ 1237c478bd9Sstevel@tonic-gate Sword gn_gotndx; /* GOT table index */ 1247c478bd9Sstevel@tonic-gate Gotref gn_gotref; 1257c478bd9Sstevel@tonic-gate } Gotndx; 1267c478bd9Sstevel@tonic-gate 1277c478bd9Sstevel@tonic-gate /* 1287c478bd9Sstevel@tonic-gate * Got debugging structure. The got index is defined as a signed value as we 1297c478bd9Sstevel@tonic-gate * do so much mucking around with negative and positive gots on SPARC, and sign 1307c478bd9Sstevel@tonic-gate * extension is necessary when building 64-bit objects. On intel we explicitly 1317c478bd9Sstevel@tonic-gate * cast this variable to an unsigned value. 1327c478bd9Sstevel@tonic-gate */ 1337c478bd9Sstevel@tonic-gate typedef struct { 1347c478bd9Sstevel@tonic-gate Sym_desc *gt_sym; 1357c478bd9Sstevel@tonic-gate Gotndx gt_gndx; 1367c478bd9Sstevel@tonic-gate } Gottable; 1377c478bd9Sstevel@tonic-gate 1387c478bd9Sstevel@tonic-gate /* 1396b3ba5bdSAli Bahrami * The link-editor caches the results of sloppy relocation processing 14040e53e87SAli Bahrami * in a variable of type Rlxrel_cache. Symbols come for processing in sorted 14140e53e87SAli Bahrami * order, so a single item cache suffices to eliminate duplicate lookups. 14240e53e87SAli Bahrami * 14340e53e87SAli Bahrami * When sloppy relocation processing fails, the Rlxrel_rej enum reports 14440e53e87SAli Bahrami * the underlying reason. 1456b3ba5bdSAli Bahrami */ 14640e53e87SAli Bahrami typedef enum { 14740e53e87SAli Bahrami RLXREL_REJ_NONE = 0, /* Replacement symbol was found */ 14840e53e87SAli Bahrami RLXREL_REJ_TARGET, /* Target sec disallows relaxed relocations */ 14940e53e87SAli Bahrami RLXREL_REJ_SECTION, /* Either there is no replacement section, */ 15040e53e87SAli Bahrami /* or its attributes are incompatible */ 15140e53e87SAli Bahrami RLXREL_REJ_SYMBOL, /* Replacement symbol not found */ 15240e53e87SAli Bahrami } Rlxrel_rej; 15340e53e87SAli Bahrami 1546b3ba5bdSAli Bahrami typedef struct sreloc_cache { 1556b3ba5bdSAli Bahrami Sym_desc *sr_osdp; /* Original symbol */ 1566b3ba5bdSAli Bahrami Sym_desc *sr_rsdp; /* Replacement symbol */ 15740e53e87SAli Bahrami Rlxrel_rej sr_rej; /* Reason for failure if NULL sr_rsdp */ 15840e53e87SAli Bahrami } Rlxrel_cache; 1596b3ba5bdSAli Bahrami 1606b3ba5bdSAli Bahrami /* 161cdcc71c0SAli Bahrami * Nodes in an ofl_wrap AVL tree 162cdcc71c0SAli Bahrami * 163cdcc71c0SAli Bahrami * wsn_name is the name of the symbol to be wrapped. wsn_wrapname is used 164cdcc71c0SAli Bahrami * when we need to refer to the wrap symbol, and consists of the symbol 165cdcc71c0SAli Bahrami * name with a __wrap_ prefix. 166cdcc71c0SAli Bahrami */ 167cdcc71c0SAli Bahrami typedef struct wrap_sym_node { 168cdcc71c0SAli Bahrami avl_node_t wsn_avlnode; /* AVL book-keeping */ 169cdcc71c0SAli Bahrami const char *wsn_name; /* Symbol name: XXX */ 170cdcc71c0SAli Bahrami const char *wsn_wrapname; /* Wrap symbol name: __wrap_XXX */ 171cdcc71c0SAli Bahrami } WrapSymNode; 172cdcc71c0SAli Bahrami 17308278a5eSRod Evans /* 17408278a5eSRod Evans * Capabilities structures, used to maintain a capabilities set. 17508278a5eSRod Evans * 17608278a5eSRod Evans * Capabilities can be defined within input relocatable objects, and can be 17708278a5eSRod Evans * augmented or replaced by mapfile directives. In addition, mapfile directives 17808278a5eSRod Evans * can be used to exclude capabilities that would otherwise be carried over to 17908278a5eSRod Evans * the output object. 18008278a5eSRod Evans * 18108278a5eSRod Evans * CA_SUNW_HW_1, CA_SUNW_SF_1 and CA_SUNW_HW_2 values are bitmasks. A current 18208278a5eSRod Evans * value, and an exclude value are maintained for each capability. 18308278a5eSRod Evans * 18408278a5eSRod Evans * There can be multiple CA_SUNW_PLAT and CA_SUNW_MACH entries and thus Alists 18508278a5eSRod Evans * are used to collect these entries. A current list for each capability is 18608278a5eSRod Evans * maintained as Capstr entries, which provide for maintaining the strings 18708278a5eSRod Evans * eventual index into a string table. An exclude list is maintained as a 18808278a5eSRod Evans * list of string pointers. 18908278a5eSRod Evans */ 19008278a5eSRod Evans typedef struct { 19108278a5eSRod Evans elfcap_mask_t cm_val; /* bitmask value */ 19208278a5eSRod Evans elfcap_mask_t cm_exc; /* bits to exclude from final object */ 19308278a5eSRod Evans } Capmask; 19408278a5eSRod Evans 19508278a5eSRod Evans typedef struct { 19608278a5eSRod Evans Alist *cl_val; /* string (Capstr) value */ 19708278a5eSRod Evans APlist *cl_exc; /* strings to exclude from final */ 19808278a5eSRod Evans } Caplist; /* object */ 19908278a5eSRod Evans 20008278a5eSRod Evans typedef struct { 20108278a5eSRod Evans char *cs_str; /* platform or machine name */ 20208278a5eSRod Evans Word cs_ndx; /* the entries output Cap index */ 20308278a5eSRod Evans } Capstr; 20408278a5eSRod Evans 20508278a5eSRod Evans typedef uint_t oc_flag_t; 20608278a5eSRod Evans typedef struct { 20708278a5eSRod Evans Capmask oc_hw_1; /* CA_SUNW_HW_1 capabilities */ 20808278a5eSRod Evans Capmask oc_sf_1; /* CA_SUNW_SF_1 capabilities */ 20908278a5eSRod Evans Capmask oc_hw_2; /* CA_SUNW_HW_2 capabilities */ 21008278a5eSRod Evans Caplist oc_plat; /* CA_SUNW_PLAT capabilities */ 21108278a5eSRod Evans Caplist oc_mach; /* CA_SUNW_MACH capabilities */ 21208278a5eSRod Evans Capstr oc_id; /* CA_SUNW_ID capability */ 21308278a5eSRod Evans oc_flag_t oc_flags; 21408278a5eSRod Evans } Objcapset; 21508278a5eSRod Evans 21608278a5eSRod Evans #define FLG_OCS_USRDEFID 0x1 /* user defined CA_SUNW_ID */ 217cdcc71c0SAli Bahrami 218cdcc71c0SAli Bahrami /* 21969112eddSAli Bahrami * Bitmasks for a single capability. Capabilities come from input objects, 22069112eddSAli Bahrami * augmented or replaced by mapfile directives. In addition, mapfile directives 22169112eddSAli Bahrami * can be used to exclude bits that would otherwise be set in the output object. 22269112eddSAli Bahrami */ 22369112eddSAli Bahrami typedef struct { 22469112eddSAli Bahrami elfcap_mask_t cm_value; /* Bitmask value */ 22569112eddSAli Bahrami elfcap_mask_t cm_exclude; /* Bits to remove from final object */ 22669112eddSAli Bahrami } CapMask; 22769112eddSAli Bahrami 22869112eddSAli Bahrami /* 22969112eddSAli Bahrami * Combine the bitmask in a CapMask with the exclusion mask and 23069112eddSAli Bahrami * return the resulting final value. 23169112eddSAli Bahrami */ 23269112eddSAli Bahrami #define CAPMASK_VALUE(_cbmp) ((_cbmp)->cm_value & ~(_cbmp)->cm_exclude) 23369112eddSAli Bahrami 23469112eddSAli Bahrami typedef struct { 23569112eddSAli Bahrami CapMask c_hw_1; /* CA_SUNW_HW_1 capabilities */ 23669112eddSAli Bahrami CapMask c_sf_1; /* CA_SUNW_SF_1 capabilities */ 23769112eddSAli Bahrami CapMask c_hw_2; /* CA_SUNW_HW_2 capabilities */ 23869112eddSAli Bahrami } Outcapset; 23969112eddSAli Bahrami 24069112eddSAli Bahrami 24169112eddSAli Bahrami /* 2427c478bd9Sstevel@tonic-gate * Output file processing structure 2437c478bd9Sstevel@tonic-gate */ 2441d9df23bSab196087 typedef Lword ofl_flag_t; 2457c478bd9Sstevel@tonic-gate struct ofl_desc { 2467c478bd9Sstevel@tonic-gate char *ofl_sgsid; /* link-editor identification */ 2477c478bd9Sstevel@tonic-gate const char *ofl_name; /* full file name */ 2487c478bd9Sstevel@tonic-gate Elf *ofl_elf; /* elf_memory() elf descriptor */ 2497c478bd9Sstevel@tonic-gate Elf *ofl_welf; /* ELF_C_WRITE elf descriptor */ 2505aefb655Srie Ehdr *ofl_dehdr; /* default elf header, and new elf */ 2515aefb655Srie Ehdr *ofl_nehdr; /* header describing this file */ 2527c478bd9Sstevel@tonic-gate Phdr *ofl_phdr; /* program header descriptor */ 2537c478bd9Sstevel@tonic-gate Phdr *ofl_tlsphdr; /* TLS phdr */ 2547c478bd9Sstevel@tonic-gate int ofl_fd; /* file descriptor */ 2557c478bd9Sstevel@tonic-gate size_t ofl_size; /* image size */ 25657ef7aa9SRod Evans APlist *ofl_maps; /* list of input mapfiles */ 25757ef7aa9SRod Evans APlist *ofl_segs; /* list of segments */ 25869112eddSAli Bahrami APlist *ofl_segs_order; /* SEGMENT_ORDER segments */ 25969112eddSAli Bahrami avl_tree_t ofl_segs_avl; /* O(log N) access to named segments */ 26069112eddSAli Bahrami APlist *ofl_ents; /* list of entrance descriptors */ 26169112eddSAli Bahrami avl_tree_t ofl_ents_avl; /* O(log N) access to named ent. desc */ 26257ef7aa9SRod Evans APlist *ofl_objs; /* relocatable object file list */ 2637c478bd9Sstevel@tonic-gate Word ofl_objscnt; /* and count */ 26457ef7aa9SRod Evans APlist *ofl_ars; /* archive library list */ 2657c478bd9Sstevel@tonic-gate Word ofl_arscnt; /* and count */ 266551cffe3SAli Bahrami int ofl_ars_gsandx; /* archive group argv index. 0 means */ 267551cffe3SAli Bahrami /* no current group, < 0 means */ 268551cffe3SAli Bahrami /* error reported. >0 is cur ndx */ 269551cffe3SAli Bahrami Word ofl_ars_gsndx; /* current -zrescan-start ofl_ars ndx */ 27057ef7aa9SRod Evans APlist *ofl_sos; /* shared object list */ 2717c478bd9Sstevel@tonic-gate Word ofl_soscnt; /* and count */ 27257ef7aa9SRod Evans APlist *ofl_soneed; /* list of implicitly required .so's */ 27357ef7aa9SRod Evans APlist *ofl_socntl; /* list of .so control definitions */ 274*bf994817SAli Bahrami Rel_cache ofl_outrels; /* list of output relocations */ 275*bf994817SAli Bahrami Rel_cache ofl_actrels; /* list of relocations to perform */ 276*bf994817SAli Bahrami APlist *ofl_relaux; /* Rel_aux cache for outrels/actrels */ 277c174926fSrie Word ofl_entrelscnt; /* no of relocations entered */ 27857ef7aa9SRod Evans Alist *ofl_copyrels; /* list of copy relocations */ 27957ef7aa9SRod Evans APlist *ofl_ordered; /* list of shf_ordered sections */ 280635216b6SRod Evans APlist *ofl_symdtent; /* list of syminfo symbols that need */ 281635216b6SRod Evans /* to reference .dynamic entries */ 28257ef7aa9SRod Evans APlist *ofl_ismove; /* list of .SUNW_move sections */ 28357ef7aa9SRod Evans APlist *ofl_ismoverel; /* list of relocation input section */ 2847c478bd9Sstevel@tonic-gate /* targeting to expanded area */ 28557ef7aa9SRod Evans APlist *ofl_parsyms; /* list of partially initialized */ 28657ef7aa9SRod Evans /* symbols (ie. move symbols) */ 28757ef7aa9SRod Evans APlist *ofl_extrarels; /* relocation sections which have */ 2887c478bd9Sstevel@tonic-gate /* a NULL sh_info */ 289cc7efc4fSrie avl_tree_t *ofl_groups; /* pointer to head of Groups AVL tree */ 29057ef7aa9SRod Evans APlist *ofl_initarray; /* list of init array func names */ 29157ef7aa9SRod Evans APlist *ofl_finiarray; /* list of fini array func names */ 29257ef7aa9SRod Evans APlist *ofl_preiarray; /* list of preinit array func names */ 29357ef7aa9SRod Evans APlist *ofl_rtldinfo; /* list of rtldinfo syms */ 29457ef7aa9SRod Evans APlist *ofl_osgroups; /* list of output GROUP sections */ 29557ef7aa9SRod Evans APlist *ofl_ostlsseg; /* pointer to sections in TLS segment */ 2967e16fca0SAli Bahrami APlist *ofl_unwind; /* list of unwind output sections */ 2977c478bd9Sstevel@tonic-gate Os_desc *ofl_unwindhdr; /* Unwind hdr */ 2987c478bd9Sstevel@tonic-gate avl_tree_t ofl_symavl; /* pointer to head of Syms AVL tree */ 2997c478bd9Sstevel@tonic-gate Sym_desc **ofl_regsyms; /* array of potential register */ 3007c478bd9Sstevel@tonic-gate Word ofl_regsymsno; /* symbols and array count */ 3017c478bd9Sstevel@tonic-gate Word ofl_regsymcnt; /* no. of output register symbols */ 3027c478bd9Sstevel@tonic-gate Word ofl_lregsymcnt; /* no. of local register symbols */ 3037c478bd9Sstevel@tonic-gate Sym_desc *ofl_dtracesym; /* ld -zdtrace= */ 3041d9df23bSab196087 ofl_flag_t ofl_flags; /* various state bits, args etc. */ 3051d9df23bSab196087 ofl_flag_t ofl_flags1; /* more flags */ 3067c478bd9Sstevel@tonic-gate void *ofl_entry; /* entry point (-e and Sym_desc *) */ 3077c478bd9Sstevel@tonic-gate char *ofl_filtees; /* shared objects we are a filter for */ 3087c478bd9Sstevel@tonic-gate const char *ofl_soname; /* (-h option) output file name for */ 3097c478bd9Sstevel@tonic-gate /* dynamic structure */ 3107c478bd9Sstevel@tonic-gate const char *ofl_interp; /* interpreter name used by exec() */ 3117c478bd9Sstevel@tonic-gate char *ofl_rpath; /* run path to store in .dynamic */ 3127c478bd9Sstevel@tonic-gate char *ofl_config; /* config path to store in .dynamic */ 31357ef7aa9SRod Evans APlist *ofl_ulibdirs; /* user supplied library search list */ 31457ef7aa9SRod Evans APlist *ofl_dlibdirs; /* default library search list */ 3157c478bd9Sstevel@tonic-gate Word ofl_vercnt; /* number of versions to generate */ 31657ef7aa9SRod Evans APlist *ofl_verdesc; /* list of version descriptors */ 3177c478bd9Sstevel@tonic-gate size_t ofl_verdefsz; /* size of version definition section */ 3187c478bd9Sstevel@tonic-gate size_t ofl_verneedsz; /* size of version needed section */ 3197c478bd9Sstevel@tonic-gate Word ofl_entercnt; /* no. of global symbols entered */ 3207c478bd9Sstevel@tonic-gate Word ofl_globcnt; /* no. of global symbols to output */ 3217c478bd9Sstevel@tonic-gate Word ofl_scopecnt; /* no. of scoped symbols to output */ 3229039eeafSab196087 Word ofl_dynscopecnt; /* no. scoped syms in .SUNW_ldynsym */ 3237c478bd9Sstevel@tonic-gate Word ofl_elimcnt; /* no. of eliminated symbols */ 3249039eeafSab196087 Word ofl_locscnt; /* no. of local symbols in .symtab */ 3259039eeafSab196087 Word ofl_dynlocscnt; /* no. local symbols in .SUNW_ldynsym */ 326d579eb63Sab196087 Word ofl_dynsymsortcnt; /* no. ndx in .SUNW_dynsymsort */ 327d579eb63Sab196087 Word ofl_dyntlssortcnt; /* no. ndx in .SUNW_dyntlssort */ 3287c478bd9Sstevel@tonic-gate Word ofl_dynshdrcnt; /* no. of output section in .dynsym */ 3297c478bd9Sstevel@tonic-gate Word ofl_shdrcnt; /* no. of output sections */ 33008278a5eSRod Evans Word ofl_caploclcnt; /* no. of local capabilities symbols */ 33108278a5eSRod Evans Word ofl_capsymcnt; /* no. of symbol capabilities entries */ 33208278a5eSRod Evans /* required */ 33308278a5eSRod Evans Word ofl_capchaincnt; /* no. of Capchain symbols */ 33408278a5eSRod Evans APlist *ofl_capgroups; /* list of capabilities groups */ 33508278a5eSRod Evans avl_tree_t *ofl_capfamilies; /* capability family AVL tree */ 3367c478bd9Sstevel@tonic-gate Str_tbl *ofl_shdrsttab; /* Str_tbl for shdr strtab */ 3377c478bd9Sstevel@tonic-gate Str_tbl *ofl_strtab; /* Str_tbl for symtab strtab */ 3387c478bd9Sstevel@tonic-gate Str_tbl *ofl_dynstrtab; /* Str_tbl for dymsym strtab */ 3397c478bd9Sstevel@tonic-gate Gotndx *ofl_tlsldgotndx; /* index to LD TLS_index structure */ 3407c478bd9Sstevel@tonic-gate Xword ofl_relocsz; /* size of output relocations */ 3417c478bd9Sstevel@tonic-gate Xword ofl_relocgotsz; /* size of .got relocations */ 3427c478bd9Sstevel@tonic-gate Xword ofl_relocpltsz; /* size of .plt relocations */ 3437c478bd9Sstevel@tonic-gate Xword ofl_relocbsssz; /* size of .bss (copy) relocations */ 3447c478bd9Sstevel@tonic-gate Xword ofl_relocrelsz; /* size of .rel[a] relocations */ 3457c478bd9Sstevel@tonic-gate Word ofl_relocincnt; /* no. of input relocations */ 3467c478bd9Sstevel@tonic-gate Word ofl_reloccnt; /* tot number of output relocations */ 3477c478bd9Sstevel@tonic-gate Word ofl_reloccntsub; /* tot numb of output relocations to */ 3487c478bd9Sstevel@tonic-gate /* skip (-zignore) */ 3497c478bd9Sstevel@tonic-gate Word ofl_relocrelcnt; /* tot number of relative */ 3507c478bd9Sstevel@tonic-gate /* relocations */ 3517c478bd9Sstevel@tonic-gate Word ofl_gotcnt; /* no. of .got entries */ 3527c478bd9Sstevel@tonic-gate Word ofl_pltcnt; /* no. of .plt entries */ 3537c478bd9Sstevel@tonic-gate Word ofl_pltpad; /* no. of .plt padd entries */ 3547c478bd9Sstevel@tonic-gate Word ofl_hashbkts; /* no. of hash buckets required */ 3557c478bd9Sstevel@tonic-gate Is_desc *ofl_isbss; /* .bss input section (globals) */ 35654d82594Sseizo Is_desc *ofl_islbss; /* .lbss input section (globals) */ 3577c478bd9Sstevel@tonic-gate Is_desc *ofl_istlsbss; /* .tlsbss input section (globals) */ 35835450702SAli Bahrami Is_desc *ofl_isparexpn; /* -z nopartial .data input section */ 3597c478bd9Sstevel@tonic-gate Os_desc *ofl_osdynamic; /* .dynamic output section */ 3607c478bd9Sstevel@tonic-gate Os_desc *ofl_osdynsym; /* .dynsym output section */ 3619039eeafSab196087 Os_desc *ofl_osldynsym; /* .SUNW_ldynsym output section */ 3627c478bd9Sstevel@tonic-gate Os_desc *ofl_osdynstr; /* .dynstr output section */ 363d579eb63Sab196087 Os_desc *ofl_osdynsymsort; /* .SUNW_dynsymsort output section */ 364d579eb63Sab196087 Os_desc *ofl_osdyntlssort; /* .SUNW_dyntlssort output section */ 3657c478bd9Sstevel@tonic-gate Os_desc *ofl_osgot; /* .got output section */ 3667c478bd9Sstevel@tonic-gate Os_desc *ofl_oshash; /* .hash output section */ 3677c478bd9Sstevel@tonic-gate Os_desc *ofl_osinitarray; /* .initarray output section */ 3687c478bd9Sstevel@tonic-gate Os_desc *ofl_osfiniarray; /* .finiarray output section */ 3697c478bd9Sstevel@tonic-gate Os_desc *ofl_ospreinitarray; /* .preinitarray output section */ 3707c478bd9Sstevel@tonic-gate Os_desc *ofl_osinterp; /* .interp output section */ 3717c478bd9Sstevel@tonic-gate Os_desc *ofl_oscap; /* .SUNW_cap output section */ 37208278a5eSRod Evans Os_desc *ofl_oscapinfo; /* .SUNW_capinfo output section */ 37308278a5eSRod Evans Os_desc *ofl_oscapchain; /* .SUNW_capchain output section */ 3747c478bd9Sstevel@tonic-gate Os_desc *ofl_osplt; /* .plt output section */ 3757c478bd9Sstevel@tonic-gate Os_desc *ofl_osmove; /* .SUNW_move output section */ 3767c478bd9Sstevel@tonic-gate Os_desc *ofl_osrelhead; /* first relocation section */ 3777c478bd9Sstevel@tonic-gate Os_desc *ofl_osrel; /* .rel[a] relocation section */ 3787c478bd9Sstevel@tonic-gate Os_desc *ofl_osshstrtab; /* .shstrtab output section */ 3797c478bd9Sstevel@tonic-gate Os_desc *ofl_osstrtab; /* .strtab output section */ 3807c478bd9Sstevel@tonic-gate Os_desc *ofl_ossymtab; /* .symtab output section */ 3817c478bd9Sstevel@tonic-gate Os_desc *ofl_ossymshndx; /* .symtab_shndx output section */ 3827c478bd9Sstevel@tonic-gate Os_desc *ofl_osdynshndx; /* .dynsym_shndx output section */ 3839039eeafSab196087 Os_desc *ofl_osldynshndx; /* .SUNW_ldynsym_shndx output sec */ 3847c478bd9Sstevel@tonic-gate Os_desc *ofl_osverdef; /* .version definition output section */ 3857c478bd9Sstevel@tonic-gate Os_desc *ofl_osverneed; /* .version needed output section */ 3867c478bd9Sstevel@tonic-gate Os_desc *ofl_osversym; /* .version symbol ndx output section */ 3877c478bd9Sstevel@tonic-gate Word ofl_dtflags_1; /* DT_FLAGS_1 entries */ 3887c478bd9Sstevel@tonic-gate Word ofl_dtflags; /* DT_FLAGS entries */ 3897c478bd9Sstevel@tonic-gate Os_desc *ofl_ossyminfo; /* .SUNW_syminfo output section */ 39035450702SAli Bahrami Half ofl_parexpnndx; /* -z nopartial section index */ 3917c478bd9Sstevel@tonic-gate /* Ref. at perform_outreloc() in */ 3927c478bd9Sstevel@tonic-gate /* libld/{mach}/machrel.c */ 3937c478bd9Sstevel@tonic-gate Xword *ofl_checksum; /* DT_CHECKSUM value address */ 3947c478bd9Sstevel@tonic-gate char *ofl_depaudit; /* dependency auditing required (-P) */ 3957c478bd9Sstevel@tonic-gate char *ofl_audit; /* object auditing required (-p) */ 3967c478bd9Sstevel@tonic-gate Alist *ofl_symfltrs; /* per-symbol filtees and their */ 3977c478bd9Sstevel@tonic-gate Alist *ofl_dtsfltrs; /* associated .dynamic/.dynstrs */ 39808278a5eSRod Evans Objcapset ofl_ocapset; /* object capabilities */ 3995aefb655Srie Lm_list *ofl_lml; /* runtime link-map list */ 400d326b23bSrie Gottable *ofl_gottable; /* debugging got information */ 40140e53e87SAli Bahrami Rlxrel_cache ofl_sr_cache; /* Cache last result from */ 4026b3ba5bdSAli Bahrami /* sloppy_comdat_reloc() */ 40357ef7aa9SRod Evans APlist *ofl_maptext; /* mapfile added text sections */ 40457ef7aa9SRod Evans APlist *ofl_mapdata; /* mapfile added data sections */ 405cdcc71c0SAli Bahrami avl_tree_t *ofl_wrap; /* -z wrap symbols */ 4067c478bd9Sstevel@tonic-gate }; 4077c478bd9Sstevel@tonic-gate 4087c478bd9Sstevel@tonic-gate #define FLG_OF_DYNAMIC 0x00000001 /* generate dynamic output module */ 4097c478bd9Sstevel@tonic-gate #define FLG_OF_STATIC 0x00000002 /* generate static output module */ 4107c478bd9Sstevel@tonic-gate #define FLG_OF_EXEC 0x00000004 /* generate an executable */ 4117c478bd9Sstevel@tonic-gate #define FLG_OF_RELOBJ 0x00000008 /* generate a relocatable object */ 4127c478bd9Sstevel@tonic-gate #define FLG_OF_SHAROBJ 0x00000010 /* generate a shared object */ 4137c478bd9Sstevel@tonic-gate #define FLG_OF_BFLAG 0x00000020 /* do no special plt building: -b */ 4147c478bd9Sstevel@tonic-gate #define FLG_OF_IGNENV 0x00000040 /* ignore LD_LIBRARY_PATH: -i */ 4157c478bd9Sstevel@tonic-gate #define FLG_OF_STRIP 0x00000080 /* strip output: -s */ 4167c478bd9Sstevel@tonic-gate #define FLG_OF_NOWARN 0x00000100 /* disable symbol warnings: -t */ 4177c478bd9Sstevel@tonic-gate #define FLG_OF_NOUNDEF 0x00000200 /* allow no undefined symbols: -zdefs */ 4187c478bd9Sstevel@tonic-gate #define FLG_OF_PURETXT 0x00000400 /* allow no text relocations: -ztext */ 4197c478bd9Sstevel@tonic-gate #define FLG_OF_GENMAP 0x00000800 /* generate a memory map: -m */ 4207c478bd9Sstevel@tonic-gate #define FLG_OF_DYNLIBS 0x00001000 /* dynamic input allowed: -Bdynamic */ 4217c478bd9Sstevel@tonic-gate #define FLG_OF_SYMBOLIC 0x00002000 /* bind global symbols: -Bsymbolic */ 4227c478bd9Sstevel@tonic-gate #define FLG_OF_ADDVERS 0x00004000 /* add version stamp: -Qy */ 4239039eeafSab196087 #define FLG_OF_NOLDYNSYM 0x00008000 /* -znoldynsym set */ 42469112eddSAli Bahrami #define FLG_OF_IS_ORDER 0x00010000 /* input section ordering within a */ 42569112eddSAli Bahrami /* segment is required */ 42669112eddSAli Bahrami #define FLG_OF_EC_FILES 0x00020000 /* Ent_desc exist w/non-NULL ec_files */ 4277c478bd9Sstevel@tonic-gate #define FLG_OF_TEXTREL 0x00040000 /* text relocations have been found */ 4287c478bd9Sstevel@tonic-gate #define FLG_OF_MULDEFS 0x00080000 /* multiple symbols are allowed */ 429dd94ecefSrie #define FLG_OF_TLSPHDR 0x00100000 /* a TLS program header is required */ 4307c478bd9Sstevel@tonic-gate #define FLG_OF_BLDGOT 0x00200000 /* build GOT table */ 4317c478bd9Sstevel@tonic-gate #define FLG_OF_VERDEF 0x00400000 /* record version definitions */ 4327c478bd9Sstevel@tonic-gate #define FLG_OF_VERNEED 0x00800000 /* record version dependencies */ 4337c478bd9Sstevel@tonic-gate #define FLG_OF_NOVERSEC 0x01000000 /* don't record version sections */ 4340e233487SRod Evans #define FLG_OF_KEY 0x02000000 /* file requires sort keys */ 4357c478bd9Sstevel@tonic-gate #define FLG_OF_PROCRED 0x04000000 /* process any symbol reductions by */ 4367c478bd9Sstevel@tonic-gate /* effecting the symbol table */ 4377c478bd9Sstevel@tonic-gate /* output and relocations */ 4387c478bd9Sstevel@tonic-gate #define FLG_OF_SYMINFO 0x08000000 /* create a syminfo section */ 4397c478bd9Sstevel@tonic-gate #define FLG_OF_AUX 0x10000000 /* ofl_filter is an auxiliary filter */ 4407c478bd9Sstevel@tonic-gate #define FLG_OF_FATAL 0x20000000 /* fatal error during input */ 4417c478bd9Sstevel@tonic-gate #define FLG_OF_WARN 0x40000000 /* warning during input processing. */ 4427c478bd9Sstevel@tonic-gate #define FLG_OF_VERBOSE 0x80000000 /* -z verbose flag set */ 4437c478bd9Sstevel@tonic-gate 4449a411307Srie #define FLG_OF_MAPSYMB 0x000100000000 /* symbolic scope definition seen */ 4459a411307Srie #define FLG_OF_MAPGLOB 0x000200000000 /* global scope definition seen */ 446e38a713aSrie #define FLG_OF_COMREL 0x000400000000 /* -z combreloc set, which enables */ 447e38a713aSrie /* DT_RELACNT tracking, */ 448e38a713aSrie #define FLG_OF_NOCOMREL 0x000800000000 /* -z nocombreloc set */ 44944bac77bSrie #define FLG_OF_AUTOLCL 0x001000000000 /* automatically reduce unspecified */ 45044bac77bSrie /* global symbols to locals */ 45144bac77bSrie #define FLG_OF_AUTOELM 0x002000000000 /* automatically eliminate */ 45244bac77bSrie /* unspecified global symbols */ 45344bac77bSrie #define FLG_OF_REDLSYM 0x004000000000 /* reduce local symbols */ 45469112eddSAli Bahrami #define FLG_OF_OS_ORDER 0x008000000000 /* output section ordering required */ 455635216b6SRod Evans #define FLG_OF_OSABI 0x010000000000 /* tag object as ELFOSABI_SOLARIS */ 45608278a5eSRod Evans #define FLG_OF_ADJOSCNT 0x020000000000 /* adjust ofl_shdrcnt to accommodate */ 457e64d0ff9SAli Bahrami /* discarded sections */ 45808278a5eSRod Evans #define FLG_OF_OTOSCAP 0x040000000000 /* convert object capabilities to */ 45908278a5eSRod Evans /* symbol capabilities */ 46008278a5eSRod Evans #define FLG_OF_PTCAP 0x080000000000 /* PT_SUNWCAP required */ 46108278a5eSRod Evans #define FLG_OF_CAPSTRS 0x100000000000 /* capability strings are required */ 462d444b03eSAli Bahrami #define FLG_OF_EHFRAME 0x200000000000 /* output contains .eh_frame section */ 4639a411307Srie 4647c478bd9Sstevel@tonic-gate /* 4657c478bd9Sstevel@tonic-gate * In the flags1 arena, establish any options that are applicable to archive 4667c478bd9Sstevel@tonic-gate * extraction first, and associate a mask. These values are recorded with any 4677c478bd9Sstevel@tonic-gate * archive descriptor so that they may be reset should the archive require a 4687c478bd9Sstevel@tonic-gate * rescan to try and resolve undefined symbols. 4697c478bd9Sstevel@tonic-gate */ 47069112eddSAli Bahrami #define FLG_OF1_ALLEXRT 0x0000000001 /* extract all members from an */ 4717c478bd9Sstevel@tonic-gate /* archive file */ 47269112eddSAli Bahrami #define FLG_OF1_WEAKEXT 0x0000000002 /* allow archive extraction to */ 4737c478bd9Sstevel@tonic-gate /* resolve weak references */ 47469112eddSAli Bahrami #define MSK_OF1_ARCHIVE 0x0000000003 /* archive flags mask */ 4757c478bd9Sstevel@tonic-gate 47669112eddSAli Bahrami #define FLG_OF1_NOINTRP 0x0000000008 /* -z nointerp flag set */ 47769112eddSAli Bahrami #define FLG_OF1_ZDIRECT 0x0000000010 /* -z direct flag set */ 47869112eddSAli Bahrami #define FLG_OF1_NDIRECT 0x0000000020 /* no-direct bindings specified */ 479e38a713aSrie 48069112eddSAli Bahrami #define FLG_OF1_RELDYN 0x0000000100 /* process .dynamic in rel obj */ 48169112eddSAli Bahrami #define FLG_OF1_NRLXREL 0x0000000200 /* -z norelaxreloc flag set */ 48269112eddSAli Bahrami #define FLG_OF1_RLXREL 0x0000000400 /* -z relaxreloc flag set */ 48369112eddSAli Bahrami #define FLG_OF1_IGNORE 0x0000000800 /* ignore unused dependencies */ 48469112eddSAli Bahrami #define FLG_OF1_NOSGHND 0x0000001000 /* -z nosighandler flag set */ 48569112eddSAli Bahrami #define FLG_OF1_TEXTOFF 0x0000002000 /* text relocations are ok */ 48669112eddSAli Bahrami #define FLG_OF1_ABSEXEC 0x0000004000 /* -zabsexec set */ 48769112eddSAli Bahrami #define FLG_OF1_LAZYLD 0x0000008000 /* lazy loading of objects enabled */ 48869112eddSAli Bahrami #define FLG_OF1_GRPPRM 0x0000010000 /* dependencies are to have */ 4897c478bd9Sstevel@tonic-gate /* GROUPPERM enabled */ 49069112eddSAli Bahrami #define FLG_OF1_OVRFLW 0x0000020000 /* size exceeds 32-bit limitation */ 4917c478bd9Sstevel@tonic-gate /* of 32-bit libld */ 49269112eddSAli Bahrami #define FLG_OF1_NOPARTI 0x0000040000 /* -znopartial set */ 49369112eddSAli Bahrami #define FLG_OF1_BSSOREL 0x0000080000 /* output relocation against bss */ 4947c478bd9Sstevel@tonic-gate /* section */ 49569112eddSAli Bahrami #define FLG_OF1_TLSOREL 0x0000100000 /* output relocation against .tlsbss */ 4967c478bd9Sstevel@tonic-gate /* section */ 49769112eddSAli Bahrami #define FLG_OF1_MEMORY 0x0000200000 /* produce a memory model */ 49869112eddSAli Bahrami #define FLG_OF1_NGLBDIR 0x0000400000 /* no DT_1_DIRECT flag allowed */ 49908278a5eSRod Evans #define FLG_OF1_ENCDIFF 0x0000800000 /* host running linker has different */ 500f3324781Sab196087 /* byte order than output object */ 50169112eddSAli Bahrami #define FLG_OF1_VADDR 0x0001000000 /* a segment defines explicit vaddr */ 50269112eddSAli Bahrami #define FLG_OF1_EXTRACT 0x0002000000 /* archive member has been extracted */ 50369112eddSAli Bahrami #define FLG_OF1_RESCAN 0x0004000000 /* any archives should be rescanned */ 50469112eddSAli Bahrami #define FLG_OF1_IGNPRC 0x0008000000 /* ignore processing required */ 50569112eddSAli Bahrami #define FLG_OF1_NCSTTAB 0x0010000000 /* -znocompstrtab set */ 50669112eddSAli Bahrami #define FLG_OF1_DONE 0x0020000000 /* link-editor processing complete */ 50769112eddSAli Bahrami #define FLG_OF1_NONREG 0x0040000000 /* non-regular file specified as */ 5087c478bd9Sstevel@tonic-gate /* the output file */ 50969112eddSAli Bahrami #define FLG_OF1_ALNODIR 0x0080000000 /* establish NODIRECT for all */ 5107c478bd9Sstevel@tonic-gate /* exported interfaces. */ 51169112eddSAli Bahrami #define FLG_OF1_OVHWCAP1 0x0100000000 /* override CA_SUNW_HW_1 capabilities */ 51269112eddSAli Bahrami #define FLG_OF1_OVSFCAP1 0x0200000000 /* override CA_SUNW_SF_1 capabilities */ 51369112eddSAli Bahrami #define FLG_OF1_OVHWCAP2 0x0400000000 /* override CA_SUNW_HW_2 capabilities */ 51408278a5eSRod Evans #define FLG_OF1_OVMACHCAP 0x0800000000 /* override CA_SUNW_MACH capability */ 51508278a5eSRod Evans #define FLG_OF1_OVPLATCAP 0x1000000000 /* override CA_SUNW_PLAT capability */ 51608278a5eSRod Evans #define FLG_OF1_OVIDCAP 0x2000000000 /* override CA_SUNW_ID capability */ 5177c478bd9Sstevel@tonic-gate 5187c478bd9Sstevel@tonic-gate /* 5199039eeafSab196087 * Test to see if the output file would allow the presence of 5209039eeafSab196087 * a .dynsym section. 5219039eeafSab196087 */ 522f3324781Sab196087 #define OFL_ALLOW_DYNSYM(_ofl) (((_ofl)->ofl_flags & \ 5239039eeafSab196087 (FLG_OF_DYNAMIC | FLG_OF_RELOBJ)) == FLG_OF_DYNAMIC) 5249039eeafSab196087 5259039eeafSab196087 /* 5269039eeafSab196087 * Test to see if the output file would allow the presence of 5279039eeafSab196087 * a .SUNW_ldynsym section. The requirements are that a .dynsym 5289039eeafSab196087 * is allowed, and -znoldynsym has not been specified. Note that 5299039eeafSab196087 * even if the answer is True (1), we will only generate one if there 5309039eeafSab196087 * are local symbols that require it. 5319039eeafSab196087 */ 532f3324781Sab196087 #define OFL_ALLOW_LDYNSYM(_ofl) (((_ofl)->ofl_flags & \ 5339039eeafSab196087 (FLG_OF_DYNAMIC | FLG_OF_RELOBJ | FLG_OF_NOLDYNSYM)) == FLG_OF_DYNAMIC) 5349039eeafSab196087 5359039eeafSab196087 /* 536f3324781Sab196087 * Test to see if relocation processing should be done. This is normally 537f3324781Sab196087 * true, but can be disabled via the '-z noreloc' option. Note that 538f3324781Sab196087 * relocatable objects are still relocated even if '-z noreloc' is present. 539f3324781Sab196087 */ 540f3324781Sab196087 #define OFL_DO_RELOC(_ofl) (((_ofl)->ofl_flags & FLG_OF_RELOBJ) || \ 541f3324781Sab196087 !((_ofl)->ofl_dtflags_1 & DF_1_NORELOC)) 542f3324781Sab196087 543f3324781Sab196087 /* 544635216b6SRod Evans * Determine whether a static executable is being built. 545635216b6SRod Evans */ 546635216b6SRod Evans #define OFL_IS_STATIC_EXEC(_ofl) (((_ofl)->ofl_flags & \ 547635216b6SRod Evans (FLG_OF_STATIC | FLG_OF_EXEC)) == (FLG_OF_STATIC | FLG_OF_EXEC)) 548635216b6SRod Evans 549635216b6SRod Evans /* 550635216b6SRod Evans * Determine whether a static object is being built. This macro is used 551635216b6SRod Evans * to select the appropriate string table, and symbol table that other 552635216b6SRod Evans * sections need to reference. 553635216b6SRod Evans */ 554635216b6SRod Evans #define OFL_IS_STATIC_OBJ(_ofl) ((_ofl)->ofl_flags & \ 555635216b6SRod Evans (FLG_OF_RELOBJ | FLG_OF_STATIC)) 556635216b6SRod Evans 557635216b6SRod Evans /* 558635216b6SRod Evans * Macros for counting symbol table entries. These are used to size symbol 559635216b6SRod Evans * tables and associated sections (.syminfo, SUNW_capinfo, .hash, etc.) and 560635216b6SRod Evans * set required sh_info entries (the offset to the first global symbol). 561635216b6SRod Evans */ 562635216b6SRod Evans #define SYMTAB_LOC_CNT(_ofl) /* local .symtab entries */ \ 563635216b6SRod Evans (2 + /* NULL and STT_FILE */ \ 564635216b6SRod Evans (_ofl)->ofl_shdrcnt + /* section symbol */ \ 56508278a5eSRod Evans (_ofl)->ofl_caploclcnt + /* local capabilities */ \ 566635216b6SRod Evans (_ofl)->ofl_scopecnt + /* scoped symbols */ \ 567635216b6SRod Evans (_ofl)->ofl_locscnt) /* standard locals */ 568635216b6SRod Evans #define SYMTAB_ALL_CNT(_ofl) /* all .symtab entries */ \ 569635216b6SRod Evans (SYMTAB_LOC_CNT(_ofl) + /* .symtab locals */ \ 570635216b6SRod Evans (_ofl)->ofl_globcnt) /* standard globals */ 571635216b6SRod Evans 572635216b6SRod Evans #define DYNSYM_LOC_CNT(_ofl) /* local .dynsym entries */ \ 573635216b6SRod Evans (1 + /* NULL */ \ 574635216b6SRod Evans (_ofl)->ofl_dynshdrcnt + /* section symbols */ \ 57508278a5eSRod Evans (_ofl)->ofl_caploclcnt + /* local capabilities */ \ 576635216b6SRod Evans (_ofl)->ofl_lregsymcnt) /* local register symbols */ 577635216b6SRod Evans #define DYNSYM_ALL_CNT(_ofl) /* all .dynsym entries */ \ 578635216b6SRod Evans (DYNSYM_LOC_CNT(_ofl) + /* .dynsym locals */ \ 579635216b6SRod Evans (_ofl)->ofl_globcnt) /* standard globals */ 580635216b6SRod Evans 581635216b6SRod Evans /* 58257ef7aa9SRod Evans * Define a move descriptor used within relocation structures. 58357ef7aa9SRod Evans */ 58457ef7aa9SRod Evans typedef struct { 58557ef7aa9SRod Evans Move *mr_move; 58657ef7aa9SRod Evans Sym_desc *mr_sym; 58757ef7aa9SRod Evans } Mv_reloc; 58857ef7aa9SRod Evans 58957ef7aa9SRod Evans /* 5907c478bd9Sstevel@tonic-gate * Relocation (active & output) processing structure - transparent to common 591*bf994817SAli Bahrami * code. There can be millions of these structures in a large link, so it 592*bf994817SAli Bahrami * is important to keep it small. You should only add new items to Rel_desc 593*bf994817SAli Bahrami * if they are critical, apply to most relocations, and cannot be easily 594*bf994817SAli Bahrami * computed from the other information. 595*bf994817SAli Bahrami * 596*bf994817SAli Bahrami * Items that can be derived should be implemented as a function that accepts 597*bf994817SAli Bahrami * a Rel_desc argument, and returns the desired data. ld_reloc_sym_name() is 598*bf994817SAli Bahrami * an example of this. 599*bf994817SAli Bahrami * 600*bf994817SAli Bahrami * Lesser used relocation data is kept in an auxiliary block, Rel_aux, 601*bf994817SAli Bahrami * that is only allocated as necessary. In exchange for adding one pointer 602*bf994817SAli Bahrami * of overhead to Rel_desc (rel_aux), most relocations are reduced in size 603*bf994817SAli Bahrami * by the size of Rel_aux. This strategy relies on the data in Rel_aux 604*bf994817SAli Bahrami * being rarely needed --- otherwise it will backfire badly. 605cce0e03bSab196087 * 606cce0e03bSab196087 * Note that rel_raddend is primarily only of interest to RELA relocations, 607cce0e03bSab196087 * and is set to 0 for REL. However, there is an exception: If FLG_REL_NADDEND 608cce0e03bSab196087 * is set, then rel_raddend contains a replacement value for the implicit 609cce0e03bSab196087 * addend found in the relocation target. 610*bf994817SAli Bahrami * 611*bf994817SAli Bahrami * Fields should be ordered from largest to smallest, to minimize packing 612*bf994817SAli Bahrami * holes in the struct layout. 6137c478bd9Sstevel@tonic-gate */ 6147c478bd9Sstevel@tonic-gate struct rel_desc { 6157c478bd9Sstevel@tonic-gate Is_desc *rel_isdesc; /* input section reloc is against */ 6167c478bd9Sstevel@tonic-gate Sym_desc *rel_sym; /* sym relocation is against */ 617*bf994817SAli Bahrami Rel_aux *rel_aux; /* NULL, or auxiliary data */ 6187c478bd9Sstevel@tonic-gate Xword rel_roffset; /* relocation offset */ 6197c478bd9Sstevel@tonic-gate Sxword rel_raddend; /* addend from input relocation */ 620*bf994817SAli Bahrami Word rel_flags; /* misc. flags for relocations */ 621*bf994817SAli Bahrami Word rel_rtype; /* relocation type */ 6227c478bd9Sstevel@tonic-gate }; 6237c478bd9Sstevel@tonic-gate 6247c478bd9Sstevel@tonic-gate /* 625*bf994817SAli Bahrami * Data that would be kept in Rel_desc if the size of that structure was 626*bf994817SAli Bahrami * not an issue. This auxiliary block is only allocated as needed, 627*bf994817SAli Bahrami * and must only contain rarely needed items. The goal is for the vast 628*bf994817SAli Bahrami * majority of Rel_desc structs to not have an auxiliary block. 629*bf994817SAli Bahrami * 630*bf994817SAli Bahrami * When a Rel_desc does not have an auxiliary block, a default value 631*bf994817SAli Bahrami * is assumed for each auxiliary item: 632*bf994817SAli Bahrami * 633*bf994817SAli Bahrami * - ra_osdesc: 634*bf994817SAli Bahrami * Output section to which relocation applies. The default 635*bf994817SAli Bahrami * value for this is the output section associated with the 636*bf994817SAli Bahrami * input section (rel_isdesc->is_osdesc), or NULL if there 637*bf994817SAli Bahrami * is no associated input section. 638*bf994817SAli Bahrami * 639*bf994817SAli Bahrami * - ra_usym: 640*bf994817SAli Bahrami * If the symbol associated with a relocation is part of a weak/strong 641*bf994817SAli Bahrami * pair, then ra_usym contains the strong symbol and rel_sym the weak. 642*bf994817SAli Bahrami * Otherwise, the default value is the same value as rel_sym. 643*bf994817SAli Bahrami * 644*bf994817SAli Bahrami * - ra_move: 645*bf994817SAli Bahrami * Move table data. The default value is NULL. 646*bf994817SAli Bahrami * 647*bf994817SAli Bahrami * - ra_typedata: 648*bf994817SAli Bahrami * ELF_R_TYPE_DATA(info). This value applies only to a small 649*bf994817SAli Bahrami * subset of 64-bit sparc relocations, and is otherwise 0. The 650*bf994817SAli Bahrami * default value is 0. 651*bf994817SAli Bahrami * 652*bf994817SAli Bahrami * If any value in Rel_aux is non-default, then an auxiliary block is 653*bf994817SAli Bahrami * necessary, and each field contains its actual value. If all the auxiliary 654*bf994817SAli Bahrami * values are default, no Rel_aux is needed, and the RELAUX_GET_xxx() 655*bf994817SAli Bahrami * macros below are able to supply the proper default. 656*bf994817SAli Bahrami * 657*bf994817SAli Bahrami * To set a Rel_aux value, use the ld_reloc_set_aux_XXX() functions. 658*bf994817SAli Bahrami * These functions are written to avoid unnecessary auxiliary allocations, 659*bf994817SAli Bahrami * and know the rules for each item. 660*bf994817SAli Bahrami */ 661*bf994817SAli Bahrami struct rel_aux { 662*bf994817SAli Bahrami Os_desc *ra_osdesc; /* output section reloc is against */ 663*bf994817SAli Bahrami Sym_desc *ra_usym; /* strong sym if this is a weak pair */ 664*bf994817SAli Bahrami Mv_reloc *ra_move; /* move table information */ 665*bf994817SAli Bahrami Word ra_typedata; /* ELF_R_TYPE_DATA(info) */ 666*bf994817SAli Bahrami }; 667*bf994817SAli Bahrami 668*bf994817SAli Bahrami /* 669*bf994817SAli Bahrami * Test a given auxiliary value to determine if it has the default value 670*bf994817SAli Bahrami * for that item, as described above. If all the auxiliary items have 671*bf994817SAli Bahrami * their default values, no auxiliary place is necessary to represent them. 672*bf994817SAli Bahrami * If any one of them is non-default, the auxiliary block is needed. 673*bf994817SAli Bahrami */ 674*bf994817SAli Bahrami #define RELAUX_ISDEFAULT_MOVE(_rdesc, _mv) (_mv == NULL) 675*bf994817SAli Bahrami #define RELAUX_ISDEFAULT_USYM(_rdesc, _usym) ((_rdesc)->rel_sym == _usym) 676*bf994817SAli Bahrami #define RELAUX_ISDEFAULT_OSDESC(_rdesc, _osdesc) \ 677*bf994817SAli Bahrami ((((_rdesc)->rel_isdesc == NULL) && (_osdesc == NULL)) || \ 678*bf994817SAli Bahrami ((_rdesc)->rel_isdesc && ((_rdesc)->rel_isdesc->is_osdesc == _osdesc))) 679*bf994817SAli Bahrami #define RELAUX_ISDEFAULT_TYPEDATA(_rdesc, _typedata) (_typedata == 0) 680*bf994817SAli Bahrami 681*bf994817SAli Bahrami /* 682*bf994817SAli Bahrami * Retrieve the value of an auxiliary relocation item, preserving the illusion 683*bf994817SAli Bahrami * that every relocation descriptor has an auxiliary block attached. The 684*bf994817SAli Bahrami * real implementation is that an auxiliary block is only present if one or 685*bf994817SAli Bahrami * more auxiliary items have non-default values. These macros return the true 686*bf994817SAli Bahrami * value if an auxiliary block is present, and the default value for the 687*bf994817SAli Bahrami * item otherwise. 688*bf994817SAli Bahrami */ 689*bf994817SAli Bahrami #define RELAUX_GET_MOVE(_rdesc) \ 690*bf994817SAli Bahrami ((_rdesc)->rel_aux ? (_rdesc)->rel_aux->ra_move : NULL) 691*bf994817SAli Bahrami #define RELAUX_GET_USYM(_rdesc) \ 692*bf994817SAli Bahrami ((_rdesc)->rel_aux ? (_rdesc)->rel_aux->ra_usym : (_rdesc)->rel_sym) 693*bf994817SAli Bahrami #define RELAUX_GET_OSDESC(_rdesc) \ 694*bf994817SAli Bahrami ((_rdesc)->rel_aux ? (_rdesc)->rel_aux->ra_osdesc : \ 695*bf994817SAli Bahrami ((_rdesc)->rel_isdesc ? (_rdesc)->rel_isdesc->is_osdesc : NULL)) 696*bf994817SAli Bahrami #define RELAUX_GET_TYPEDATA(_rdesc) \ 697*bf994817SAli Bahrami ((_rdesc)->rel_aux ? (_rdesc)->rel_aux->ra_typedata : 0) 698*bf994817SAli Bahrami 699*bf994817SAli Bahrami /* 7007c478bd9Sstevel@tonic-gate * common flags used on the Rel_desc structure (defined in machrel.h). 7017c478bd9Sstevel@tonic-gate */ 7027c478bd9Sstevel@tonic-gate #define FLG_REL_GOT 0x00000001 /* relocation against GOT */ 7037c478bd9Sstevel@tonic-gate #define FLG_REL_PLT 0x00000002 /* relocation against PLT */ 7047c478bd9Sstevel@tonic-gate #define FLG_REL_BSS 0x00000004 /* relocation against BSS */ 7057c478bd9Sstevel@tonic-gate #define FLG_REL_LOAD 0x00000008 /* section loadable */ 7067c478bd9Sstevel@tonic-gate #define FLG_REL_SCNNDX 0x00000010 /* use section index for symbol ndx */ 7077c478bd9Sstevel@tonic-gate #define FLG_REL_CLVAL 0x00000020 /* clear VALUE for active relocation */ 7087c478bd9Sstevel@tonic-gate #define FLG_REL_ADVAL 0x00000040 /* add VALUE for output relocation, */ 70963360950Smp204432 /* only relevant to SPARC and */ 7107c478bd9Sstevel@tonic-gate /* R_SPARC_RELATIVE */ 7117c478bd9Sstevel@tonic-gate #define FLG_REL_GOTCL 0x00000080 /* clear the GOT entry. This is */ 7127c478bd9Sstevel@tonic-gate /* relevant to RELA relocations, */ 7137c478bd9Sstevel@tonic-gate /* not REL (i386) relocations */ 7147c478bd9Sstevel@tonic-gate #define FLG_REL_MOVETAB 0x00000100 /* Relocation against .SUNW_move */ 7157c478bd9Sstevel@tonic-gate /* adjustments required before */ 7167c478bd9Sstevel@tonic-gate /* actual relocation */ 7177c478bd9Sstevel@tonic-gate #define FLG_REL_NOINFO 0x00000200 /* Relocation comes from a section */ 7187c478bd9Sstevel@tonic-gate /* with a null sh_info field */ 7197c478bd9Sstevel@tonic-gate #define FLG_REL_REG 0x00000400 /* Relocation target is reg sym */ 7207c478bd9Sstevel@tonic-gate #define FLG_REL_FPTR 0x00000800 /* relocation against func. desc. */ 7217c478bd9Sstevel@tonic-gate #define FLG_REL_RFPTR1 0x00001000 /* Relative relocation against */ 7227c478bd9Sstevel@tonic-gate /* 1st part of FD */ 7237c478bd9Sstevel@tonic-gate #define FLG_REL_RFPTR2 0x00002000 /* Relative relocation against */ 7247c478bd9Sstevel@tonic-gate /* 2nd part of FD */ 7257c478bd9Sstevel@tonic-gate #define FLG_REL_DISP 0x00004000 /* *disp* relocation */ 7267c478bd9Sstevel@tonic-gate #define FLG_REL_STLS 0x00008000 /* IE TLS reference to */ 7277c478bd9Sstevel@tonic-gate /* static TLS GOT index */ 7287c478bd9Sstevel@tonic-gate #define FLG_REL_DTLS 0x00010000 /* GD TLS reference relative to */ 7297c478bd9Sstevel@tonic-gate /* dynamic TLS GOT index */ 7307c478bd9Sstevel@tonic-gate #define FLG_REL_MTLS 0x00020000 /* LD TLS reference against GOT */ 7317c478bd9Sstevel@tonic-gate #define FLG_REL_STTLS 0x00040000 /* LE TLS reference directly */ 7327c478bd9Sstevel@tonic-gate /* to static tls index */ 7337c478bd9Sstevel@tonic-gate #define FLG_REL_TLSFIX 0x00080000 /* relocation points to TLS instr. */ 7347c478bd9Sstevel@tonic-gate /* which needs updating */ 73557ef7aa9SRod Evans #define FLG_REL_RELA 0x00100000 /* descriptor captures a Rela */ 7367c478bd9Sstevel@tonic-gate #define FLG_REL_GOTFIX 0x00200000 /* relocation points to GOTOP instr. */ 7377c478bd9Sstevel@tonic-gate /* which needs updating */ 738cce0e03bSab196087 #define FLG_REL_NADDEND 0x00400000 /* Replace implicit addend in dest */ 739cce0e03bSab196087 /* with value in rel_raddend */ 740cce0e03bSab196087 /* Relevant to REL (i386) */ 741cce0e03bSab196087 /* relocations, not to RELA. */ 7427c478bd9Sstevel@tonic-gate 7437c478bd9Sstevel@tonic-gate /* 744*bf994817SAli Bahrami * We often need the name of the symbol contained in a relocation descriptor 745*bf994817SAli Bahrami * for diagnostic or error output. This is usually the symbol name, but 746*bf994817SAli Bahrami * we substitute a constructed name in some cases. Hence, the name is 747*bf994817SAli Bahrami * generated on the fly by a private function within libld. This is the 748*bf994817SAli Bahrami * prototype for that function. 7497c478bd9Sstevel@tonic-gate */ 750*bf994817SAli Bahrami typedef const char *(* rel_desc_sname_func_t)(Rel_desc *); 751*bf994817SAli Bahrami 752*bf994817SAli Bahrami /* 753*bf994817SAli Bahrami * Header for a relocation descriptor cache buffer. 754*bf994817SAli Bahrami */ 755*bf994817SAli Bahrami struct rel_cachebuf { 7567c478bd9Sstevel@tonic-gate Rel_desc *rc_end; 7577c478bd9Sstevel@tonic-gate Rel_desc *rc_free; 758*bf994817SAli Bahrami Rel_desc rc_arr[1]; 7597c478bd9Sstevel@tonic-gate }; 7607c478bd9Sstevel@tonic-gate 7617c478bd9Sstevel@tonic-gate /* 762*bf994817SAli Bahrami * Header for a relocation auxiliary descriptor cache buffer. 763*bf994817SAli Bahrami */ 764*bf994817SAli Bahrami struct rel_aux_cachebuf { 765*bf994817SAli Bahrami Rel_aux *rac_end; 766*bf994817SAli Bahrami Rel_aux *rac_free; 767*bf994817SAli Bahrami Rel_aux rac_arr[1]; 768*bf994817SAli Bahrami }; 769*bf994817SAli Bahrami 770*bf994817SAli Bahrami /* 771*bf994817SAli Bahrami * Convenience macro for traversing every relocation descriptor found within 772*bf994817SAli Bahrami * a given relocation cache, transparently handling the cache buffers and 773*bf994817SAli Bahrami * skipping any unallocated descriptors within the buffers. 774*bf994817SAli Bahrami * 775*bf994817SAli Bahrami * entry: 776*bf994817SAli Bahrami * _rel_cache - Relocate descriptor cache (Rel_cache) to traverse 777*bf994817SAli Bahrami * _idx - Aliste index variable for use by the macro 778*bf994817SAli Bahrami * _rcbp - Cache buffer pointer, for use by the macro 779*bf994817SAli Bahrami * _orsp - Rel_desc pointer, which will take on the value of a different 780*bf994817SAli Bahrami * relocation descriptor in the cache in each iteration. 781*bf994817SAli Bahrami * 782*bf994817SAli Bahrami * The caller must not assign new values to _idx, _rcbp, or _orsp within 783*bf994817SAli Bahrami * the scope of REL_CACHE_TRAVERSE. 784*bf994817SAli Bahrami */ 785*bf994817SAli Bahrami #define REL_CACHE_TRAVERSE(_rel_cache, _idx, _rcbp, _orsp) \ 786*bf994817SAli Bahrami for (APLIST_TRAVERSE((_rel_cache)->rc_list, _idx, _rcbp)) \ 787*bf994817SAli Bahrami for (_orsp = _rcbp->rc_arr; _orsp < _rcbp->rc_free; _orsp++) 788*bf994817SAli Bahrami 789*bf994817SAli Bahrami /* 7907c478bd9Sstevel@tonic-gate * Symbol value descriptor. For relocatable objects, each symbols value is 7917c478bd9Sstevel@tonic-gate * its offset within its associated section. Therefore, to uniquely define 792*bf994817SAli Bahrami * each symbol within a relocatable object, record and sort the sh_offset and 79308278a5eSRod Evans * symbol value. This information is used to search for displacement 7947c478bd9Sstevel@tonic-gate * relocations as part of copy relocation validation. 7957c478bd9Sstevel@tonic-gate */ 7967c478bd9Sstevel@tonic-gate typedef struct { 7977c478bd9Sstevel@tonic-gate Addr ssv_value; 7987c478bd9Sstevel@tonic-gate Sym_desc *ssv_sdp; 7997c478bd9Sstevel@tonic-gate } Ssv_desc; 8007c478bd9Sstevel@tonic-gate 8017c478bd9Sstevel@tonic-gate /* 8027c478bd9Sstevel@tonic-gate * Input file processing structures. 8037c478bd9Sstevel@tonic-gate */ 8047c478bd9Sstevel@tonic-gate struct ifl_desc { /* input file descriptor */ 8057c478bd9Sstevel@tonic-gate const char *ifl_name; /* full file name */ 8067c478bd9Sstevel@tonic-gate const char *ifl_soname; /* shared object name */ 8077c478bd9Sstevel@tonic-gate dev_t ifl_stdev; /* device id and inode number for .so */ 8087c478bd9Sstevel@tonic-gate ino_t ifl_stino; /* multiple inclusion checks */ 8097c478bd9Sstevel@tonic-gate Ehdr *ifl_ehdr; /* elf header describing this file */ 8107c478bd9Sstevel@tonic-gate Elf *ifl_elf; /* elf descriptor for this file */ 8117c478bd9Sstevel@tonic-gate Sym_desc **ifl_oldndx; /* original symbol table indices */ 8127c478bd9Sstevel@tonic-gate Sym_desc *ifl_locs; /* symbol desc version of locals */ 8137c478bd9Sstevel@tonic-gate Ssv_desc *ifl_sortsyms; /* sorted list of symbols by value */ 8147c478bd9Sstevel@tonic-gate Word ifl_locscnt; /* no. of local symbols to process */ 8157c478bd9Sstevel@tonic-gate Word ifl_symscnt; /* total no. of symbols to process */ 8167c478bd9Sstevel@tonic-gate Word ifl_sortcnt; /* no. of sorted symbols to process */ 8177c478bd9Sstevel@tonic-gate Word ifl_shnum; /* number of sections in file */ 8187c478bd9Sstevel@tonic-gate Word ifl_shstrndx; /* index to .shstrtab */ 8197c478bd9Sstevel@tonic-gate Word ifl_vercnt; /* number of versions in file */ 82057ef7aa9SRod Evans Half ifl_neededndx; /* index to NEEDED in .dyn section */ 82128bda19cSRod Evans Word ifl_flags; /* explicit/implicit reference */ 8227c478bd9Sstevel@tonic-gate Is_desc **ifl_isdesc; /* isdesc[scn ndx] = Is_desc ptr */ 8237c478bd9Sstevel@tonic-gate Sdf_desc *ifl_sdfdesc; /* control definition */ 8247c478bd9Sstevel@tonic-gate Versym *ifl_versym; /* version symbol table array */ 8257c478bd9Sstevel@tonic-gate Ver_index *ifl_verndx; /* verndx[ver ndx] = Ver_index */ 82657ef7aa9SRod Evans APlist *ifl_verdesc; /* version descriptor list */ 82757ef7aa9SRod Evans APlist *ifl_relsect; /* relocation section list */ 828cc7efc4fSrie Alist *ifl_groups; /* SHT_GROUP section list */ 82908278a5eSRod Evans Cap_desc *ifl_caps; /* capabilities descriptor */ 8307c478bd9Sstevel@tonic-gate }; 8317c478bd9Sstevel@tonic-gate 832d840867fSab196087 #define FLG_IF_CMDLINE 0x00000001 /* full filename specified from the */ 8337c478bd9Sstevel@tonic-gate /* command line (no -l) */ 834d840867fSab196087 #define FLG_IF_NEEDED 0x00000002 /* shared object should be recorded */ 835d840867fSab196087 #define FLG_IF_DIRECT 0x00000004 /* establish direct bindings to this */ 8367c478bd9Sstevel@tonic-gate /* object */ 837d840867fSab196087 #define FLG_IF_EXTRACT 0x00000008 /* file extracted from an archive */ 838d840867fSab196087 #define FLG_IF_VERNEED 0x00000010 /* version dependency information is */ 8397c478bd9Sstevel@tonic-gate /* required */ 840d840867fSab196087 #define FLG_IF_DEPREQD 0x00000020 /* dependency is required to satisfy */ 8417c478bd9Sstevel@tonic-gate /* symbol references */ 842d840867fSab196087 #define FLG_IF_NEEDSTR 0x00000040 /* dependency specified by -Nn */ 8437c478bd9Sstevel@tonic-gate /* flag */ 844d840867fSab196087 #define FLG_IF_IGNORE 0x00000080 /* ignore unused dependencies */ 845d840867fSab196087 #define FLG_IF_NODIRECT 0x00000100 /* object contains symbols that */ 846635216b6SRod Evans /* cannot be directly bound to */ 847d840867fSab196087 #define FLG_IF_LAZYLD 0x00000200 /* bindings to this object should be */ 8487c478bd9Sstevel@tonic-gate /* lazy loaded */ 849d840867fSab196087 #define FLG_IF_GRPPRM 0x00000400 /* this dependency should have the */ 8507c478bd9Sstevel@tonic-gate /* DF_P1_GROUPPERM flag set */ 851d840867fSab196087 #define FLG_IF_DISPPEND 0x00000800 /* displacement relocation done */ 8527c478bd9Sstevel@tonic-gate /* in the ld time. */ 853d840867fSab196087 #define FLG_IF_DISPDONE 0x00001000 /* displacement relocation done */ 8547c478bd9Sstevel@tonic-gate /* at the run time */ 855d840867fSab196087 #define FLG_IF_MAPFILE 0x00002000 /* file is a mapfile */ 856d840867fSab196087 #define FLG_IF_HSTRTAB 0x00004000 /* file has a string section */ 857d840867fSab196087 #define FLG_IF_FILEREF 0x00008000 /* file contains a section which */ 8587c478bd9Sstevel@tonic-gate /* is included in the output */ 8597c478bd9Sstevel@tonic-gate /* allocatable image */ 860d840867fSab196087 #define FLG_IF_GNUVER 0x00010000 /* file used GNU-style versioning */ 8610e233487SRod Evans #define FLG_IF_ORDERED 0x00020000 /* ordered section processing */ 8620e233487SRod Evans /* required */ 86308278a5eSRod Evans #define FLG_IF_OTOSCAP 0x00040000 /* convert object capabilities to */ 86408278a5eSRod Evans /* symbol capabilities */ 8657c478bd9Sstevel@tonic-gate 8667c478bd9Sstevel@tonic-gate struct is_desc { /* input section descriptor */ 8670e233487SRod Evans const char *is_name; /* original section name */ 868*bf994817SAli Bahrami const char *is_sym_name; /* NULL, or name string to use for */ 869*bf994817SAli Bahrami /* related STT_SECTION symbols */ 8707c478bd9Sstevel@tonic-gate Shdr *is_shdr; /* the elf section header */ 8717c478bd9Sstevel@tonic-gate Ifl_desc *is_file; /* infile desc for this section */ 8727c478bd9Sstevel@tonic-gate Os_desc *is_osdesc; /* new output section for this */ 8737c478bd9Sstevel@tonic-gate /* input section */ 8747c478bd9Sstevel@tonic-gate Elf_Data *is_indata; /* input sections raw data */ 8757c478bd9Sstevel@tonic-gate Is_desc *is_symshndx; /* related SHT_SYM_SHNDX section */ 8766b3ba5bdSAli Bahrami Is_desc *is_comdatkeep; /* If COMDAT section is discarded, */ 8776b3ba5bdSAli Bahrami /* this is section that was kept */ 8787c478bd9Sstevel@tonic-gate Word is_scnndx; /* original section index in file */ 87908278a5eSRod Evans Word is_ordndx; /* index for section. Used to decide */ 8807c478bd9Sstevel@tonic-gate /* where to insert section when */ 8817c478bd9Sstevel@tonic-gate /* reordering sections */ 8821dd9d86fSAli Bahrami Word is_keyident; /* key for SHF_{ORDERED|LINK_ORDER} */ 8831dd9d86fSAli Bahrami /* processing and ident used for */ 8840e233487SRod Evans /* placing/ordering sections */ 8850e233487SRod Evans Word is_flags; /* Various flags */ 8867c478bd9Sstevel@tonic-gate }; 8877c478bd9Sstevel@tonic-gate 8880e233487SRod Evans #define FLG_IS_ORDERED 0x0001 /* this is a SHF_ORDERED section */ 8890e233487SRod Evans #define FLG_IS_KEY 0x0002 /* section requires sort keys */ 8907c478bd9Sstevel@tonic-gate #define FLG_IS_DISCARD 0x0004 /* section is to be discarded */ 8917c478bd9Sstevel@tonic-gate #define FLG_IS_RELUPD 0x0008 /* symbol defined here may have moved */ 8927c478bd9Sstevel@tonic-gate #define FLG_IS_SECTREF 0x0010 /* section has been referenced */ 8937c478bd9Sstevel@tonic-gate #define FLG_IS_GDATADEF 0x0020 /* section contains global data sym */ 89469112eddSAli Bahrami #define FLG_IS_EXTERNAL 0x0040 /* isp from a user file */ 895cce0e03bSab196087 #define FLG_IS_INSTRMRG 0x0080 /* Usable SHF_MERGE|SHF_STRINGS sec */ 896cce0e03bSab196087 #define FLG_IS_GNSTRMRG 0x0100 /* Generated mergeable string section */ 8970e233487SRod Evans #define FLG_IS_GROUPS 0x0200 /* section has groups to process */ 8980e233487SRod Evans #define FLG_IS_PLACE 0x0400 /* section requires to be placed */ 8990e233487SRod Evans #define FLG_IS_COMDAT 0x0800 /* section is COMDAT */ 9007e16fca0SAli Bahrami #define FLG_IS_EHFRAME 0x1000 /* section is .eh_frame */ 9017c478bd9Sstevel@tonic-gate 9027c478bd9Sstevel@tonic-gate /* 9031dd9d86fSAli Bahrami * Output sections contain lists of input sections that are assigned to them. 9041dd9d86fSAli Bahrami * These items fall into 4 categories: 9051dd9d86fSAli Bahrami * BEFORE - Ordered sections that specify SHN_BEFORE, in input order. 9061dd9d86fSAli Bahrami * ORDERED - Ordered sections that are sorted using unsorted sections 9071dd9d86fSAli Bahrami * as the sort key. 9081dd9d86fSAli Bahrami * DEFAULT - Sections that are placed into the output section 9091dd9d86fSAli Bahrami * in input order. 9101dd9d86fSAli Bahrami * AFTER - Ordered sections that specify SHN_AFTER, in input order. 9111dd9d86fSAli Bahrami */ 9121dd9d86fSAli Bahrami #define OS_ISD_BEFORE 0 9131dd9d86fSAli Bahrami #define OS_ISD_ORDERED 1 9141dd9d86fSAli Bahrami #define OS_ISD_DEFAULT 2 9151dd9d86fSAli Bahrami #define OS_ISD_AFTER 3 9161dd9d86fSAli Bahrami #define OS_ISD_NUM 4 9171dd9d86fSAli Bahrami typedef APlist *os_isdecs_arr[OS_ISD_NUM]; 9181dd9d86fSAli Bahrami 9191dd9d86fSAli Bahrami /* 9201dd9d86fSAli Bahrami * Convenience macro for traversing every input section associated 9211dd9d86fSAli Bahrami * with a given output section. The primary benefit of this macro 9221dd9d86fSAli Bahrami * is that it preserves a precious level of code indentation in the 9231dd9d86fSAli Bahrami * code that uses it. 9241dd9d86fSAli Bahrami */ 9251dd9d86fSAli Bahrami #define OS_ISDESCS_TRAVERSE(_list_idx, _osp, _idx, _isp) \ 9261dd9d86fSAli Bahrami for (_list_idx = 0; _list_idx < OS_ISD_NUM; _list_idx++) \ 9271dd9d86fSAli Bahrami for (APLIST_TRAVERSE(_osp->os_isdescs[_list_idx], _idx, _isp)) 9281dd9d86fSAli Bahrami 9291dd9d86fSAli Bahrami 9301dd9d86fSAli Bahrami /* 9317c478bd9Sstevel@tonic-gate * Map file and output file processing structures 9327c478bd9Sstevel@tonic-gate */ 9337c478bd9Sstevel@tonic-gate struct os_desc { /* Output section descriptor */ 9347c478bd9Sstevel@tonic-gate const char *os_name; /* the section name */ 9357c478bd9Sstevel@tonic-gate Elf_Scn *os_scn; /* the elf section descriptor */ 9367c478bd9Sstevel@tonic-gate Shdr *os_shdr; /* the elf section header */ 9377c478bd9Sstevel@tonic-gate Os_desc *os_relosdesc; /* the output relocation section */ 9386b3ba5bdSAli Bahrami APlist *os_relisdescs; /* reloc input section descriptors */ 9397c478bd9Sstevel@tonic-gate /* for this output section */ 9401dd9d86fSAli Bahrami os_isdecs_arr os_isdescs; /* lists of input sections in output */ 941cce0e03bSab196087 APlist *os_mstrisdescs; /* FLG_IS_INSTRMRG input sections */ 9427c478bd9Sstevel@tonic-gate Sg_desc *os_sgdesc; /* segment os_desc is placed on */ 9437c478bd9Sstevel@tonic-gate Elf_Data *os_outdata; /* output sections raw data */ 9446b3ba5bdSAli Bahrami avl_tree_t *os_comdats; /* AVL tree of COMDAT input sections */ 9456b3ba5bdSAli Bahrami /* associated to output section */ 94657ef7aa9SRod Evans Word os_identndx; /* section identifier for input */ 94757ef7aa9SRod Evans /* section processing, followed */ 94857ef7aa9SRod Evans /* by section symbol index */ 94957ef7aa9SRod Evans Word os_ordndx; /* index for section. Used to decide */ 9507c478bd9Sstevel@tonic-gate /* where to insert section when */ 9517c478bd9Sstevel@tonic-gate /* reordering sections */ 9527c478bd9Sstevel@tonic-gate Xword os_szoutrels; /* size of output relocation section */ 9537c478bd9Sstevel@tonic-gate uint_t os_namehash; /* hash on section name */ 9547c478bd9Sstevel@tonic-gate uchar_t os_flags; /* various flags */ 9557c478bd9Sstevel@tonic-gate }; 9567c478bd9Sstevel@tonic-gate 9570e233487SRod Evans #define FLG_OS_KEY 0x01 /* section requires sort keys */ 9587c478bd9Sstevel@tonic-gate #define FLG_OS_OUTREL 0x02 /* output rel against this section */ 959dd94ecefSrie #define FLG_OS_SECTREF 0x04 /* isps are not affected by -zignore */ 960d444b03eSAli Bahrami #define FLG_OS_EHFRAME 0x08 /* section is .eh_frame */ 9617c478bd9Sstevel@tonic-gate 9627c478bd9Sstevel@tonic-gate /* 96369112eddSAli Bahrami * The sg_id field of the segment descriptor is used to establish the default 96469112eddSAli Bahrami * order for program headers and segments in the output object. Segments are 96569112eddSAli Bahrami * ordered according to the following SGID values that classify them based on 96669112eddSAli Bahrami * their attributes. The initial set of built in segments are in this order, 96769112eddSAli Bahrami * and new mapfile defined segments are inserted into these groups. Within a 96869112eddSAli Bahrami * given SGID group, the position of new segments depends on the syntax 96969112eddSAli Bahrami * version of the mapfile that creates them. Version 1 (original sysv) 97069112eddSAli Bahrami * mapfiles place the new segment at the head of their group (reverse creation 97169112eddSAli Bahrami * order). The newer syntax places them at the end, following the others 97269112eddSAli Bahrami * (creation order). 97369112eddSAli Bahrami * 97469112eddSAli Bahrami * Note that any new segments must always be added after PT_PHDR and 97569112eddSAli Bahrami * PT_INTERP (refer Generic ABI, Page 5-4). 97657ef7aa9SRod Evans */ 97769112eddSAli Bahrami #define SGID_PHDR 0 /* PT_PHDR */ 97869112eddSAli Bahrami #define SGID_INTERP 1 /* PT_INTERP */ 97969112eddSAli Bahrami #define SGID_SUNWCAP 2 /* PT_SUNWCAP */ 98069112eddSAli Bahrami #define SGID_TEXT 3 /* PT_LOAD */ 98169112eddSAli Bahrami #define SGID_DATA 4 /* PT_LOAD */ 98269112eddSAli Bahrami #define SGID_BSS 5 /* PT_LOAD */ 98357ef7aa9SRod Evans #if defined(_ELF64) 98469112eddSAli Bahrami #define SGID_LRODATA 6 /* PT_LOAD (amd64-only) */ 98569112eddSAli Bahrami #define SGID_LDATA 7 /* PT_LOAD (amd64-only) */ 98657ef7aa9SRod Evans #endif 98769112eddSAli Bahrami #define SGID_TEXT_EMPTY 8 /* PT_LOAD, reserved (?E in version 1 syntax) */ 98869112eddSAli Bahrami #define SGID_NULL_EMPTY 9 /* PT_NULL, reserved (?E in version 1 syntax) */ 98969112eddSAli Bahrami #define SGID_DYN 10 /* PT_DYNAMIC */ 99069112eddSAli Bahrami #define SGID_DTRACE 11 /* PT_SUNWDTRACE */ 99169112eddSAli Bahrami #define SGID_TLS 12 /* PT_TLS */ 99269112eddSAli Bahrami #define SGID_UNWIND 13 /* PT_SUNW_UNWIND */ 99369112eddSAli Bahrami #define SGID_SUNWSTACK 14 /* PT_SUNWSTACK */ 99469112eddSAli Bahrami #define SGID_NOTE 15 /* PT_NOTE */ 99569112eddSAli Bahrami #define SGID_NULL 16 /* PT_NULL, mapfile defined empty phdr slots */ 99669112eddSAli Bahrami /* for use by post processors */ 99769112eddSAli Bahrami #define SGID_EXTRA 17 /* PT_NULL (final catchall) */ 99857ef7aa9SRod Evans 99969112eddSAli Bahrami typedef Half sg_flags_t; 10007c478bd9Sstevel@tonic-gate struct sg_desc { /* output segment descriptor */ 100169112eddSAli Bahrami Word sg_id; /* segment identifier (for sorting) */ 10027c478bd9Sstevel@tonic-gate Phdr sg_phdr; /* segment header for output file */ 100369112eddSAli Bahrami const char *sg_name; /* segment name for PT_LOAD, PT_NOTE, */ 100469112eddSAli Bahrami /* and PT_NULL, otherwise NULL */ 10057c478bd9Sstevel@tonic-gate Xword sg_round; /* data rounding required (mapfile) */ 10067c478bd9Sstevel@tonic-gate Xword sg_length; /* maximum segment length; if 0 */ 10077c478bd9Sstevel@tonic-gate /* segment is not specified */ 1008cce0e03bSab196087 APlist *sg_osdescs; /* list of output section descriptors */ 100969112eddSAli Bahrami APlist *sg_is_order; /* list of entry criteria */ 101069112eddSAli Bahrami /* giving input section order */ 101169112eddSAli Bahrami Alist *sg_os_order; /* list specifying output section */ 101269112eddSAli Bahrami /* ordering for the segment */ 101369112eddSAli Bahrami sg_flags_t sg_flags; 101469112eddSAli Bahrami APlist *sg_sizesym; /* size symbols for this segment */ 101569112eddSAli Bahrami Xword sg_align; /* LCM of sh_addralign */ 10167c478bd9Sstevel@tonic-gate Elf_Scn *sg_fscn; /* the SCN of the first section. */ 101769112eddSAli Bahrami avl_node_t sg_avlnode; /* AVL book-keeping */ 10187c478bd9Sstevel@tonic-gate }; 10197c478bd9Sstevel@tonic-gate 102069112eddSAli Bahrami #define FLG_SG_P_VADDR 0x0001 /* p_vaddr segment attribute set */ 102169112eddSAli Bahrami #define FLG_SG_P_PADDR 0x0002 /* p_paddr segment attribute set */ 10227c478bd9Sstevel@tonic-gate #define FLG_SG_LENGTH 0x0004 /* length segment attribute set */ 102369112eddSAli Bahrami #define FLG_SG_P_ALIGN 0x0008 /* p_align segment attribute set */ 10247c478bd9Sstevel@tonic-gate #define FLG_SG_ROUND 0x0010 /* round segment attribute set */ 102569112eddSAli Bahrami #define FLG_SG_P_FLAGS 0x0020 /* p_flags segment attribute set */ 102669112eddSAli Bahrami #define FLG_SG_P_TYPE 0x0040 /* p_type segment attribute set */ 102769112eddSAli Bahrami #define FLG_SG_IS_ORDER 0x0080 /* input section ordering is required */ 102869112eddSAli Bahrami /* for this segment. */ 10297c478bd9Sstevel@tonic-gate #define FLG_SG_NOHDR 0x0100 /* don't map ELF or phdrs into */ 10307c478bd9Sstevel@tonic-gate /* this segment */ 10317c478bd9Sstevel@tonic-gate #define FLG_SG_EMPTY 0x0200 /* an empty segment specification */ 10327c478bd9Sstevel@tonic-gate /* no input sections will be */ 10337c478bd9Sstevel@tonic-gate /* associated to this section */ 10340e233487SRod Evans #define FLG_SG_KEY 0x0400 /* segment requires sort keys */ 103569112eddSAli Bahrami #define FLG_SG_NODISABLE 0x0800 /* FLG_SG_DISABLED is not allowed on */ 103669112eddSAli Bahrami /* this segment */ 103769112eddSAli Bahrami #define FLG_SG_DISABLED 0x1000 /* this segment is disabled */ 103869112eddSAli Bahrami #define FLG_SG_PHREQ 0x2000 /* this segment requires a program */ 103954d82594Sseizo /* header */ 104069112eddSAli Bahrami #define FLG_SG_ORDERED 0x4000 /* SEGMENT_ORDER segment */ 10417c478bd9Sstevel@tonic-gate 10427c478bd9Sstevel@tonic-gate struct sec_order { 10437c478bd9Sstevel@tonic-gate const char *sco_secname; /* section name to be ordered */ 10447c478bd9Sstevel@tonic-gate Half sco_flags; 10457c478bd9Sstevel@tonic-gate }; 10467c478bd9Sstevel@tonic-gate 10477c478bd9Sstevel@tonic-gate #define FLG_SGO_USED 0x0001 /* was ordering used? */ 10487c478bd9Sstevel@tonic-gate 104969112eddSAli Bahrami typedef Half ec_flags_t; 10507c478bd9Sstevel@tonic-gate struct ent_desc { /* input section entrance criteria */ 105169112eddSAli Bahrami const char *ec_name; /* entrace criteria name, or NULL */ 105269112eddSAli Bahrami Alist *ec_files; /* files from which to accept */ 10537c478bd9Sstevel@tonic-gate /* sections */ 105469112eddSAli Bahrami const char *ec_is_name; /* input section name to match */ 105569112eddSAli Bahrami /* (NULL if none) */ 10567c478bd9Sstevel@tonic-gate Word ec_type; /* section type */ 105754d82594Sseizo Word ec_attrmask; /* section attribute mask (AWX) */ 105854d82594Sseizo Word ec_attrbits; /* sections attribute bits */ 10597c478bd9Sstevel@tonic-gate Sg_desc *ec_segment; /* output segment to enter if matched */ 106057ef7aa9SRod Evans Word ec_ordndx; /* index to determine where section */ 10617c478bd9Sstevel@tonic-gate /* meeting this criteria should */ 10627c478bd9Sstevel@tonic-gate /* inserted. Used for reordering */ 10637c478bd9Sstevel@tonic-gate /* of sections. */ 106469112eddSAli Bahrami ec_flags_t ec_flags; 106569112eddSAli Bahrami avl_node_t ec_avlnode; /* AVL book-keeping */ 10667c478bd9Sstevel@tonic-gate }; 10677c478bd9Sstevel@tonic-gate 1068e23c41c9SAli Bahrami #define FLG_EC_BUILTIN 0x0001 /* built in descriptor */ 1069e23c41c9SAli Bahrami #define FLG_EC_USED 0x0002 /* entrance criteria met? */ 107069112eddSAli Bahrami #define FLG_EC_CATCHALL 0x0004 /* Catches any section */ 107169112eddSAli Bahrami 107269112eddSAli Bahrami /* 107369112eddSAli Bahrami * Ent_desc_file is the type of element maintained in the ec_files Alist 107469112eddSAli Bahrami * of an entrance criteria descriptor. Each item maintains one file 107569112eddSAli Bahrami * path, and a set of flags that specify the type of comparison it implies, 107669112eddSAli Bahrami * and other information about it. The comparison type is maintained in 107769112eddSAli Bahrami * the bottom byte of the flags. 107869112eddSAli Bahrami */ 107969112eddSAli Bahrami #define TYP_ECF_MASK 0x00ff /* Comparison type mask */ 108069112eddSAli Bahrami #define TYP_ECF_PATH 0 /* Compare to file path */ 108169112eddSAli Bahrami #define TYP_ECF_BASENAME 1 /* Compare to file basename */ 108269112eddSAli Bahrami #define TYP_ECF_OBJNAME 2 /* Compare to regular file basename, */ 108369112eddSAli Bahrami /* or to archive member name */ 108469112eddSAli Bahrami #define TYP_ECF_NUM 3 108569112eddSAli Bahrami 108669112eddSAli Bahrami #define FLG_ECF_ARMEMBER 0x0100 /* name includes archive member */ 108769112eddSAli Bahrami 108869112eddSAli Bahrami typedef struct { 108969112eddSAli Bahrami Word edf_flags; /* Type of comparison */ 109069112eddSAli Bahrami const char *edf_name; /* String to compare to */ 109169112eddSAli Bahrami size_t edf_name_len; /* strlen(edf_name) */ 109269112eddSAli Bahrami } Ent_desc_file; 10937c478bd9Sstevel@tonic-gate 10947c478bd9Sstevel@tonic-gate /* 109557ef7aa9SRod Evans * One structure is allocated for a move entry, and associated to the symbol 109657ef7aa9SRod Evans * against which a move is targeted. 10977c478bd9Sstevel@tonic-gate */ 109857ef7aa9SRod Evans typedef struct { 109957ef7aa9SRod Evans Move *md_move; /* original Move entry */ 110057ef7aa9SRod Evans Xword md_start; /* start position */ 110157ef7aa9SRod Evans Xword md_len; /* length of initialization */ 110257ef7aa9SRod Evans Word md_oidx; /* output Move entry index */ 110357ef7aa9SRod Evans } Mv_desc; 11047c478bd9Sstevel@tonic-gate 11057c478bd9Sstevel@tonic-gate /* 110657ef7aa9SRod Evans * Symbol descriptor. 11077c478bd9Sstevel@tonic-gate */ 1108635216b6SRod Evans typedef Lword sd_flag_t; 11097c478bd9Sstevel@tonic-gate struct sym_desc { 111057ef7aa9SRod Evans Alist *sd_GOTndxs; /* list of associated GOT entries */ 11117c478bd9Sstevel@tonic-gate Sym *sd_sym; /* pointer to symbol table entry */ 11127c478bd9Sstevel@tonic-gate Sym *sd_osym; /* copy of the original symbol entry */ 1113d326b23bSrie /* used only for local partial */ 111457ef7aa9SRod Evans Alist *sd_move; /* move information associated with a */ 111557ef7aa9SRod Evans /* partially initialized symbol */ 11167c478bd9Sstevel@tonic-gate const char *sd_name; /* symbols name */ 11177c478bd9Sstevel@tonic-gate Ifl_desc *sd_file; /* file where symbol is taken */ 11187c478bd9Sstevel@tonic-gate Is_desc *sd_isc; /* input section of symbol definition */ 11197c478bd9Sstevel@tonic-gate Sym_aux *sd_aux; /* auxiliary global symbol info. */ 11207c478bd9Sstevel@tonic-gate Word sd_symndx; /* index in output symbol table */ 11217c478bd9Sstevel@tonic-gate Word sd_shndx; /* sect. index sym is associated w/ */ 1122635216b6SRod Evans sd_flag_t sd_flags; /* state flags */ 11237c478bd9Sstevel@tonic-gate Half sd_ref; /* reference definition of symbol */ 11247c478bd9Sstevel@tonic-gate }; 11257c478bd9Sstevel@tonic-gate 11267c478bd9Sstevel@tonic-gate /* 11277c478bd9Sstevel@tonic-gate * The auxiliary symbol descriptor contains the additional information (beyond 11287c478bd9Sstevel@tonic-gate * the symbol descriptor) required to process global symbols. These symbols are 11297c478bd9Sstevel@tonic-gate * accessed via an internal symbol hash table where locality of reference is 11307c478bd9Sstevel@tonic-gate * important for performance. 11317c478bd9Sstevel@tonic-gate */ 11327c478bd9Sstevel@tonic-gate struct sym_aux { 113357ef7aa9SRod Evans APlist *sa_dfiles; /* files where symbol is defined */ 11347c478bd9Sstevel@tonic-gate Sym sa_sym; /* copy of symtab entry */ 11357c478bd9Sstevel@tonic-gate const char *sa_vfile; /* first unavailable definition */ 11367c478bd9Sstevel@tonic-gate const char *sa_rfile; /* file with first symbol referenced */ 11377c478bd9Sstevel@tonic-gate Word sa_hash; /* the pure hash value of symbol */ 11387c478bd9Sstevel@tonic-gate Word sa_PLTndx; /* index into PLT for symbol */ 11397c478bd9Sstevel@tonic-gate Word sa_PLTGOTndx; /* GOT entry indx for PLT indirection */ 1140d579eb63Sab196087 Word sa_linkndx; /* index of associated symbol from */ 1141d579eb63Sab196087 /* ET_DYN file */ 11427c478bd9Sstevel@tonic-gate Half sa_symspec; /* special symbol ids */ 11437c478bd9Sstevel@tonic-gate Half sa_overndx; /* output file versioning index */ 11447c478bd9Sstevel@tonic-gate Half sa_dverndx; /* dependency versioning index */ 11457c478bd9Sstevel@tonic-gate }; 11467c478bd9Sstevel@tonic-gate 11477c478bd9Sstevel@tonic-gate /* 11487c478bd9Sstevel@tonic-gate * Nodes used to track symbols in the global AVL symbol dictionary. 11497c478bd9Sstevel@tonic-gate */ 11507c478bd9Sstevel@tonic-gate struct sym_avlnode { 11517c478bd9Sstevel@tonic-gate avl_node_t sav_node; /* AVL node */ 11527c478bd9Sstevel@tonic-gate Word sav_hash; /* symbol hash value */ 11537c478bd9Sstevel@tonic-gate const char *sav_name; /* symbol name */ 1154635216b6SRod Evans Sym_desc *sav_sdp; /* symbol descriptor */ 11557c478bd9Sstevel@tonic-gate }; 11567c478bd9Sstevel@tonic-gate 11577c478bd9Sstevel@tonic-gate /* 11587c478bd9Sstevel@tonic-gate * These are the ids for processing of `Special symbols'. They are used 11597c478bd9Sstevel@tonic-gate * to set the sym->sd_aux->sa_symspec field. 11607c478bd9Sstevel@tonic-gate */ 11617c478bd9Sstevel@tonic-gate #define SDAUX_ID_ETEXT 1 /* etext && _etext symbol */ 11627c478bd9Sstevel@tonic-gate #define SDAUX_ID_EDATA 2 /* edata && _edata symbol */ 11637c478bd9Sstevel@tonic-gate #define SDAUX_ID_END 3 /* end, _end, && _END_ symbol */ 11647c478bd9Sstevel@tonic-gate #define SDAUX_ID_DYN 4 /* DYNAMIC && _DYNAMIC symbol */ 11657c478bd9Sstevel@tonic-gate #define SDAUX_ID_PLT 5 /* _PROCEDURE_LINKAGE_TABLE_ symbol */ 11667c478bd9Sstevel@tonic-gate #define SDAUX_ID_GOT 6 /* _GLOBAL_OFFSET_TABLE_ symbol */ 11677c478bd9Sstevel@tonic-gate #define SDAUX_ID_START 7 /* START_ && _START_ symbol */ 11687c478bd9Sstevel@tonic-gate 11697c478bd9Sstevel@tonic-gate /* 11707c478bd9Sstevel@tonic-gate * Flags for sym_desc.sd_flags 11717c478bd9Sstevel@tonic-gate */ 11727c478bd9Sstevel@tonic-gate #define FLG_SY_MVTOCOMM 0x00000001 /* assign symbol to common (.bss) */ 11737c478bd9Sstevel@tonic-gate /* this is a result of a */ 11747c478bd9Sstevel@tonic-gate /* copy reloc against sym */ 11757c478bd9Sstevel@tonic-gate #define FLG_SY_GLOBREF 0x00000002 /* a global reference has been seen */ 11767c478bd9Sstevel@tonic-gate #define FLG_SY_WEAKDEF 0x00000004 /* a weak definition has been used */ 11777c478bd9Sstevel@tonic-gate #define FLG_SY_CLEAN 0x00000008 /* `Sym' entry points to original */ 11787c478bd9Sstevel@tonic-gate /* input file (read-only). */ 11797c478bd9Sstevel@tonic-gate #define FLG_SY_UPREQD 0x00000010 /* symbol value update is required, */ 11807c478bd9Sstevel@tonic-gate /* either it's used as an entry */ 11817c478bd9Sstevel@tonic-gate /* point or for relocation, but */ 11827c478bd9Sstevel@tonic-gate /* it must be updated even if */ 11837c478bd9Sstevel@tonic-gate /* the -s flag is in effect */ 11847c478bd9Sstevel@tonic-gate #define FLG_SY_NOTAVAIL 0x00000020 /* symbol is not available to the */ 11857c478bd9Sstevel@tonic-gate /* application either because it */ 11867c478bd9Sstevel@tonic-gate /* originates from an implicitly */ 11877c478bd9Sstevel@tonic-gate /* referenced shared object, or */ 11887c478bd9Sstevel@tonic-gate /* because it is not part of a */ 11897c478bd9Sstevel@tonic-gate /* specified version. */ 11907c478bd9Sstevel@tonic-gate #define FLG_SY_REDUCED 0x00000040 /* a global is reduced to local */ 11917c478bd9Sstevel@tonic-gate #define FLG_SY_VERSPROM 0x00000080 /* version definition has been */ 11927c478bd9Sstevel@tonic-gate /* promoted to output file */ 11937c478bd9Sstevel@tonic-gate #define FLG_SY_PROT 0x00000100 /* stv_protected visibility seen */ 11947c478bd9Sstevel@tonic-gate #define FLG_SY_MAPREF 0x00000200 /* symbol reference generated by user */ 11957c478bd9Sstevel@tonic-gate /* from mapfile */ 11967c478bd9Sstevel@tonic-gate #define FLG_SY_REFRSD 0x00000400 /* symbols sd_ref has been raised */ 11977c478bd9Sstevel@tonic-gate /* due to a copy-relocs */ 11987c478bd9Sstevel@tonic-gate /* weak-strong pairing */ 11999a411307Srie #define FLG_SY_INTPOSE 0x00000800 /* symbol defines an interposer */ 12007c478bd9Sstevel@tonic-gate #define FLG_SY_INVALID 0x00001000 /* unwanted/erroneous symbol */ 12017c478bd9Sstevel@tonic-gate #define FLG_SY_SMGOT 0x00002000 /* small got index assigned to symbol */ 12027c478bd9Sstevel@tonic-gate /* sparc only */ 12037c478bd9Sstevel@tonic-gate #define FLG_SY_PARENT 0x00004000 /* symbol to be found in parent */ 12047c478bd9Sstevel@tonic-gate /* only used with direct bindings */ 12057c478bd9Sstevel@tonic-gate #define FLG_SY_LAZYLD 0x00008000 /* symbol to cause lazyloading of */ 12067c478bd9Sstevel@tonic-gate /* parent object */ 12077c478bd9Sstevel@tonic-gate #define FLG_SY_ISDISC 0x00010000 /* symbol is a member of a DISCARDED */ 12087c478bd9Sstevel@tonic-gate /* section (COMDAT) */ 12097c478bd9Sstevel@tonic-gate #define FLG_SY_PAREXPN 0x00020000 /* partially init. symbol to be */ 12107c478bd9Sstevel@tonic-gate /* expanded */ 12117c478bd9Sstevel@tonic-gate #define FLG_SY_PLTPAD 0x00040000 /* pltpadding has been allocated for */ 12127c478bd9Sstevel@tonic-gate /* this symbol */ 12137c478bd9Sstevel@tonic-gate #define FLG_SY_REGSYM 0x00080000 /* REGISTER symbol (sparc only) */ 12147c478bd9Sstevel@tonic-gate #define FLG_SY_SOFOUND 0x00100000 /* compared against an SO definition */ 12157c478bd9Sstevel@tonic-gate #define FLG_SY_EXTERN 0x00200000 /* symbol is external, allows -zdefs */ 12167c478bd9Sstevel@tonic-gate /* error suppression */ 12177c478bd9Sstevel@tonic-gate #define FLG_SY_MAPUSED 0x00400000 /* mapfile symbol used (occurred */ 12187c478bd9Sstevel@tonic-gate /* within a relocatable object) */ 12197c478bd9Sstevel@tonic-gate #define FLG_SY_COMMEXP 0x00800000 /* COMMON symbol which has been */ 12207c478bd9Sstevel@tonic-gate /* allocated */ 12217c478bd9Sstevel@tonic-gate #define FLG_SY_CMDREF 0x01000000 /* symbol was referenced from the */ 12227c478bd9Sstevel@tonic-gate /* command line. (ld -u <>, */ 12237c478bd9Sstevel@tonic-gate /* ld -zrtldinfo=<>, ...) */ 12247c478bd9Sstevel@tonic-gate #define FLG_SY_SPECSEC 0x02000000 /* section index is reserved value */ 12257c478bd9Sstevel@tonic-gate /* ABS, COMMON, ... */ 12267c478bd9Sstevel@tonic-gate #define FLG_SY_TENTSYM 0x04000000 /* tentative symbol */ 12277c478bd9Sstevel@tonic-gate #define FLG_SY_VISIBLE 0x08000000 /* symbols visibility determined */ 12287c478bd9Sstevel@tonic-gate #define FLG_SY_STDFLTR 0x10000000 /* symbol is a standard filter */ 12297c478bd9Sstevel@tonic-gate #define FLG_SY_AUXFLTR 0x20000000 /* symbol is an auxiliary filter */ 1230d579eb63Sab196087 #define FLG_SY_DYNSORT 0x40000000 /* req. in dyn[sym|tls]sort section */ 1231d579eb63Sab196087 #define FLG_SY_NODYNSORT 0x80000000 /* excluded from dyn[sym_tls]sort sec */ 12327c478bd9Sstevel@tonic-gate 1233635216b6SRod Evans #define FLG_SY_DEFAULT 0x0000100000000 /* global symbol, default */ 1234635216b6SRod Evans #define FLG_SY_SINGLE 0x0000200000000 /* global symbol, singleton defined */ 1235635216b6SRod Evans #define FLG_SY_PROTECT 0x0000400000000 /* global symbol, protected defined */ 1236635216b6SRod Evans #define FLG_SY_EXPORT 0x0000800000000 /* global symbol, exported defined */ 12377c478bd9Sstevel@tonic-gate 1238635216b6SRod Evans #define MSK_SY_GLOBAL \ 1239635216b6SRod Evans (FLG_SY_DEFAULT | FLG_SY_SINGLE | FLG_SY_PROTECT | FLG_SY_EXPORT) 124060758829Srie /* this mask indicates that the */ 124160758829Srie /* symbol has been explicitly */ 124260758829Srie /* defined within a mapfile */ 124360758829Srie /* definition, and is a candidate */ 124460758829Srie /* for versioning */ 124560758829Srie 1246635216b6SRod Evans #define FLG_SY_HIDDEN 0x0001000000000 /* global symbol, reduce to local */ 1247635216b6SRod Evans #define FLG_SY_ELIM 0x0002000000000 /* global symbol, eliminate */ 1248635216b6SRod Evans #define FLG_SY_IGNORE 0x0004000000000 /* global symbol, ignored */ 124960758829Srie 1250635216b6SRod Evans #define MSK_SY_LOCAL (FLG_SY_HIDDEN | FLG_SY_ELIM | FLG_SY_IGNORE) 125160758829Srie /* this mask allows all local state */ 125260758829Srie /* flags to be removed when the */ 125360758829Srie /* symbol is copy relocated */ 125460758829Srie 1255635216b6SRod Evans #define FLG_SY_EXPDEF 0x0008000000000 /* symbol visibility defined */ 125660758829Srie /* explicitly */ 125760758829Srie 1258635216b6SRod Evans #define MSK_SY_NOAUTO (FLG_SY_SINGLE | FLG_SY_EXPORT | FLG_SY_EXPDEF) 125960758829Srie /* this mask indicates that the */ 126060758829Srie /* symbol is not a candidate for */ 126160758829Srie /* auto-reduction/elimination */ 126260758829Srie 1263635216b6SRod Evans #define FLG_SY_MAPFILE 0x0010000000000 /* symbol attribute defined in a */ 126460758829Srie /* mapfile */ 1265635216b6SRod Evans #define FLG_SY_DIR 0x0020000000000 /* global symbol, direct bindings */ 1266635216b6SRod Evans #define FLG_SY_NDIR 0x0040000000000 /* global symbol, nondirect bindings */ 1267635216b6SRod Evans #define FLG_SY_OVERLAP 0x0080000000000 /* move entry overlap detected */ 126808278a5eSRod Evans #define FLG_SY_CAP 0x0100000000000 /* symbol is associated with */ 126908278a5eSRod Evans /* capabilities */ 127008278a5eSRod Evans 127108278a5eSRod Evans /* 127208278a5eSRod Evans * A symbol can only be truly hidden if it is not a capabilities symbol. 127308278a5eSRod Evans */ 127408278a5eSRod Evans #define SYM_IS_HIDDEN(_sdp) \ 127508278a5eSRod Evans (((_sdp)->sd_flags & (FLG_SY_HIDDEN | FLG_SY_CAP)) == FLG_SY_HIDDEN) 12767c478bd9Sstevel@tonic-gate 12777c478bd9Sstevel@tonic-gate /* 127860758829Srie * Create a mask for (sym.st_other & visibility) since the gABI does not yet 127960758829Srie * define a ELF*_ST_OTHER macro. 12807c478bd9Sstevel@tonic-gate */ 128160758829Srie #define MSK_SYM_VISIBILITY 0x7 12827c478bd9Sstevel@tonic-gate 12837c478bd9Sstevel@tonic-gate /* 12847c478bd9Sstevel@tonic-gate * Structure to manage the shared object definition lists. There are two lists 12857c478bd9Sstevel@tonic-gate * that use this structure: 12867c478bd9Sstevel@tonic-gate * 128728bda19cSRod Evans * - ofl_soneed; maintain the list of implicitly required dependencies 12887c478bd9Sstevel@tonic-gate * (ie. shared objects needed by other shared objects). These definitions 12897c478bd9Sstevel@tonic-gate * may include RPATH's required to locate the dependencies, and any 12907c478bd9Sstevel@tonic-gate * version requirements. 12917c478bd9Sstevel@tonic-gate * 129228bda19cSRod Evans * - ofl_socntl; maintains the shared object control definitions. These are 12937c478bd9Sstevel@tonic-gate * provided by the user (via a mapfile) and are used to indicate any 129428bda19cSRod Evans * version control requirements. 12957c478bd9Sstevel@tonic-gate */ 12967c478bd9Sstevel@tonic-gate struct sdf_desc { 12977c478bd9Sstevel@tonic-gate const char *sdf_name; /* the shared objects file name */ 12987c478bd9Sstevel@tonic-gate char *sdf_rpath; /* library search path DT_RPATH */ 12997c478bd9Sstevel@tonic-gate const char *sdf_rfile; /* referencing file for diagnostics */ 13007c478bd9Sstevel@tonic-gate Ifl_desc *sdf_file; /* the final input file descriptor */ 130157ef7aa9SRod Evans Alist *sdf_vers; /* list of versions that are required */ 13027c478bd9Sstevel@tonic-gate /* from this object */ 130357ef7aa9SRod Evans Alist *sdf_verneed; /* list of VERNEEDS to create for */ 13044a8d0ea7SAli Bahrami /* object via mapfile ADDVERS */ 13057c478bd9Sstevel@tonic-gate Word sdf_flags; 13067c478bd9Sstevel@tonic-gate }; 13077c478bd9Sstevel@tonic-gate 13084a8d0ea7SAli Bahrami #define FLG_SDF_SELECT 0x01 /* version control selection required */ 13094a8d0ea7SAli Bahrami #define FLG_SDF_VERIFY 0x02 /* version definition verification */ 13107c478bd9Sstevel@tonic-gate /* required */ 13114a8d0ea7SAli Bahrami #define FLG_SDF_ADDVER 0x04 /* add VERNEED references */ 13127c478bd9Sstevel@tonic-gate 13137c478bd9Sstevel@tonic-gate /* 13147c478bd9Sstevel@tonic-gate * Structure to manage shared object version usage requirements. 13157c478bd9Sstevel@tonic-gate */ 13167c478bd9Sstevel@tonic-gate struct sdv_desc { 13177c478bd9Sstevel@tonic-gate const char *sdv_name; /* version name */ 13187c478bd9Sstevel@tonic-gate const char *sdv_ref; /* versions reference */ 13197c478bd9Sstevel@tonic-gate Word sdv_flags; /* flags */ 13207c478bd9Sstevel@tonic-gate }; 13217c478bd9Sstevel@tonic-gate 13227c478bd9Sstevel@tonic-gate #define FLG_SDV_MATCHED 0x01 /* VERDEF found and matched */ 13237c478bd9Sstevel@tonic-gate 13247c478bd9Sstevel@tonic-gate /* 13257c478bd9Sstevel@tonic-gate * Structures to manage versioning information. Two versioning structures are 13267c478bd9Sstevel@tonic-gate * defined: 13277c478bd9Sstevel@tonic-gate * 132828bda19cSRod Evans * - a version descriptor maintains a linked list of versions and their 13297c478bd9Sstevel@tonic-gate * associated dependencies. This is used to build the version definitions 13307c478bd9Sstevel@tonic-gate * for an image being created (see map_symbol), and to determine the 13317c478bd9Sstevel@tonic-gate * version dependency graph for any input files that are versioned. 13327c478bd9Sstevel@tonic-gate * 133328bda19cSRod Evans * - a version index array contains each version of an input file that is 13347c478bd9Sstevel@tonic-gate * being processed. It informs us which versions are available for 13357c478bd9Sstevel@tonic-gate * binding, and is used to generate any version dependency information. 13367c478bd9Sstevel@tonic-gate */ 13377c478bd9Sstevel@tonic-gate struct ver_desc { 13387c478bd9Sstevel@tonic-gate const char *vd_name; /* version name */ 13397c478bd9Sstevel@tonic-gate Ifl_desc *vd_file; /* file that defined version */ 134057ef7aa9SRod Evans Word vd_hash; /* hash value of name */ 13417c478bd9Sstevel@tonic-gate Half vd_ndx; /* coordinates with symbol index */ 13427c478bd9Sstevel@tonic-gate Half vd_flags; /* version information */ 134357ef7aa9SRod Evans APlist *vd_deps; /* version dependencies */ 13447c478bd9Sstevel@tonic-gate Ver_desc *vd_ref; /* dependency's first reference */ 13457c478bd9Sstevel@tonic-gate }; 13467c478bd9Sstevel@tonic-gate 13477c478bd9Sstevel@tonic-gate struct ver_index { 13487c478bd9Sstevel@tonic-gate const char *vi_name; /* dependency version name */ 13497c478bd9Sstevel@tonic-gate Half vi_flags; /* communicates availability */ 135008278a5eSRod Evans Half vi_overndx; /* index assigned to this version in */ 1351090a8d9eSAli Bahrami /* output object Verneed section */ 13527c478bd9Sstevel@tonic-gate Ver_desc *vi_desc; /* cross reference to descriptor */ 13537c478bd9Sstevel@tonic-gate }; 13547c478bd9Sstevel@tonic-gate 13557c478bd9Sstevel@tonic-gate /* 13567c478bd9Sstevel@tonic-gate * Define any internal version descriptor flags ([vd|vi]_flags). Note that the 13577c478bd9Sstevel@tonic-gate * first byte is reserved for user visible flags (refer VER_FLG's in link.h). 13587c478bd9Sstevel@tonic-gate */ 13597c478bd9Sstevel@tonic-gate #define MSK_VER_USER 0x0f /* mask for user visible flags */ 13607c478bd9Sstevel@tonic-gate 13617c478bd9Sstevel@tonic-gate #define FLG_VER_AVAIL 0x10 /* version is available for binding */ 13627c478bd9Sstevel@tonic-gate #define FLG_VER_REFER 0x20 /* version has been referenced */ 13634a8d0ea7SAli Bahrami #define FLG_VER_CYCLIC 0x40 /* a member of cyclic dependency */ 13647c478bd9Sstevel@tonic-gate 13657c478bd9Sstevel@tonic-gate /* 13667c478bd9Sstevel@tonic-gate * isalist(1) descriptor - used to break an isalist string into its component 13677c478bd9Sstevel@tonic-gate * options. 13687c478bd9Sstevel@tonic-gate */ 13697c478bd9Sstevel@tonic-gate struct isa_opt { 13707c478bd9Sstevel@tonic-gate char *isa_name; /* individual isa option name */ 13717c478bd9Sstevel@tonic-gate size_t isa_namesz; /* and associated size */ 13727c478bd9Sstevel@tonic-gate }; 13737c478bd9Sstevel@tonic-gate 13747c478bd9Sstevel@tonic-gate struct isa_desc { 13757c478bd9Sstevel@tonic-gate char *isa_list; /* sysinfo(SI_ISALIST) list */ 13767c478bd9Sstevel@tonic-gate size_t isa_listsz; /* and associated size */ 13777c478bd9Sstevel@tonic-gate Isa_opt *isa_opt; /* table of individual isa options */ 13787c478bd9Sstevel@tonic-gate size_t isa_optno; /* and associated number */ 13797c478bd9Sstevel@tonic-gate }; 13807c478bd9Sstevel@tonic-gate 13817c478bd9Sstevel@tonic-gate /* 13827c478bd9Sstevel@tonic-gate * uname(2) descriptor - used to break a utsname structure into its component 13837c478bd9Sstevel@tonic-gate * options (at least those that we're interested in). 13847c478bd9Sstevel@tonic-gate */ 13857c478bd9Sstevel@tonic-gate struct uts_desc { 13867c478bd9Sstevel@tonic-gate char *uts_osname; /* operating system name */ 13877c478bd9Sstevel@tonic-gate size_t uts_osnamesz; /* and associated size */ 13887c478bd9Sstevel@tonic-gate char *uts_osrel; /* operating system release */ 13897c478bd9Sstevel@tonic-gate size_t uts_osrelsz; /* and associated size */ 13907c478bd9Sstevel@tonic-gate }; 13917c478bd9Sstevel@tonic-gate 13927c478bd9Sstevel@tonic-gate /* 13937c478bd9Sstevel@tonic-gate * SHT_GROUP descriptor - used to track group sections at the global 13940e233487SRod Evans * level to resolve conflicts and determine which to keep. 13957c478bd9Sstevel@tonic-gate */ 13967c478bd9Sstevel@tonic-gate struct group_desc { 13970e233487SRod Evans Is_desc *gd_isc; /* input section descriptor */ 13980e233487SRod Evans Is_desc *gd_oisc; /* overriding input section */ 13990e233487SRod Evans /* descriptor when discarded */ 14000e233487SRod Evans const char *gd_name; /* group name (signature symbol) */ 1401cc7efc4fSrie Word *gd_data; /* data for group section */ 1402cc7efc4fSrie size_t gd_cnt; /* number of entries in group data */ 14037c478bd9Sstevel@tonic-gate }; 14047c478bd9Sstevel@tonic-gate 14057c478bd9Sstevel@tonic-gate /* 14067c478bd9Sstevel@tonic-gate * Indexes into the ld_support_funcs[] table. 14077c478bd9Sstevel@tonic-gate */ 14087c478bd9Sstevel@tonic-gate typedef enum { 1409d2d5cf7cSAli Bahrami LDS_VERSION = 0, /* Must be first and have value 0 */ 14107c478bd9Sstevel@tonic-gate LDS_INPUT_DONE, 14117c478bd9Sstevel@tonic-gate LDS_START, 14127c478bd9Sstevel@tonic-gate LDS_ATEXIT, 14133906e0c2Srie LDS_OPEN, 14147c478bd9Sstevel@tonic-gate LDS_FILE, 14152926dd2eSrie LDS_INSEC, 14162926dd2eSrie LDS_SEC, 14177c478bd9Sstevel@tonic-gate LDS_NUM 14187c478bd9Sstevel@tonic-gate } Support_ndx; 14197c478bd9Sstevel@tonic-gate 14207c478bd9Sstevel@tonic-gate /* 14217c478bd9Sstevel@tonic-gate * Structure to manage archive member caching. Each archive has an archive 14227c478bd9Sstevel@tonic-gate * descriptor (Ar_desc) associated with it. This contains pointers to the 14237c478bd9Sstevel@tonic-gate * archive symbol table (obtained by elf_getarsyms(3e)) and an auxiliary 14247c478bd9Sstevel@tonic-gate * structure (Ar_uax[]) that parallels this symbol table. The member element 14257c478bd9Sstevel@tonic-gate * of this auxiliary table indicates whether the archive member associated with 14267c478bd9Sstevel@tonic-gate * the symbol offset has already been extracted (AREXTRACTED) or partially 14277c478bd9Sstevel@tonic-gate * processed (refer process_member()). 14287c478bd9Sstevel@tonic-gate */ 14297c478bd9Sstevel@tonic-gate typedef struct ar_mem { 14307c478bd9Sstevel@tonic-gate Elf *am_elf; /* elf descriptor for this member */ 14317c478bd9Sstevel@tonic-gate char *am_name; /* members name */ 14327c478bd9Sstevel@tonic-gate char *am_path; /* path (ie. lib(foo.o)) */ 14337c478bd9Sstevel@tonic-gate Sym *am_syms; /* start of global symbols */ 14347c478bd9Sstevel@tonic-gate char *am_strs; /* associated string table start */ 14357c478bd9Sstevel@tonic-gate Xword am_symn; /* no. of global symbols */ 14367c478bd9Sstevel@tonic-gate } Ar_mem; 14377c478bd9Sstevel@tonic-gate 14387c478bd9Sstevel@tonic-gate typedef struct ar_aux { 14397c478bd9Sstevel@tonic-gate Sym_desc *au_syms; /* internal symbol descriptor */ 14407c478bd9Sstevel@tonic-gate Ar_mem *au_mem; /* associated member */ 14417c478bd9Sstevel@tonic-gate } Ar_aux; 14427c478bd9Sstevel@tonic-gate 14437c478bd9Sstevel@tonic-gate #define FLG_ARMEM_PROC (Ar_mem *)-1 14447c478bd9Sstevel@tonic-gate 14457c478bd9Sstevel@tonic-gate typedef struct ar_desc { 14467c478bd9Sstevel@tonic-gate const char *ad_name; /* archive file name */ 14477c478bd9Sstevel@tonic-gate Elf *ad_elf; /* elf descriptor for the archive */ 14487c478bd9Sstevel@tonic-gate Elf_Arsym *ad_start; /* archive symbol table start */ 14497c478bd9Sstevel@tonic-gate Ar_aux *ad_aux; /* auxiliary symbol information */ 14507c478bd9Sstevel@tonic-gate dev_t ad_stdev; /* device id and inode number for */ 14517c478bd9Sstevel@tonic-gate ino_t ad_stino; /* multiple inclusion checks */ 14521d9df23bSab196087 ofl_flag_t ad_flags; /* archive specific cmd line flags */ 14537c478bd9Sstevel@tonic-gate } Ar_desc; 14547c478bd9Sstevel@tonic-gate 14557c478bd9Sstevel@tonic-gate /* 14567c478bd9Sstevel@tonic-gate * Define any archive descriptor flags. NOTE, make sure they do not clash with 14577c478bd9Sstevel@tonic-gate * any output file descriptor archive extraction flags, as these are saved in 14587c478bd9Sstevel@tonic-gate * the same entry (see MSK_OF1_ARCHIVE). 14597c478bd9Sstevel@tonic-gate */ 14607c478bd9Sstevel@tonic-gate #define FLG_ARD_EXTRACT 0x00010000 /* archive member has been extracted */ 14617c478bd9Sstevel@tonic-gate 146269112eddSAli Bahrami /* Mapfile versions supported by libld */ 146369112eddSAli Bahrami #define MFV_NONE 0 /* Not a valid version */ 146469112eddSAli Bahrami #define MFV_SYSV 1 /* Original System V syntax */ 146569112eddSAli Bahrami #define MFV_SOLARIS 2 /* Solaris mapfile syntax */ 146669112eddSAli Bahrami #define MFV_NUM 3 /* # of mapfile versions */ 146769112eddSAli Bahrami 146869112eddSAli Bahrami 14697c478bd9Sstevel@tonic-gate /* 14705aefb655Srie * Function Declarations. 14717c478bd9Sstevel@tonic-gate */ 14725aefb655Srie #if defined(_ELF64) 14735aefb655Srie 14745aefb655Srie #define ld_create_outfile ld64_create_outfile 14755aefb655Srie #define ld_ent_setup ld64_ent_setup 1476c1c6f601Srie #define ld_init_strings ld64_init_strings 1477ba2be530Sab196087 #define ld_init_target ld64_init_target 14785aefb655Srie #define ld_make_sections ld64_make_sections 14795aefb655Srie #define ld_main ld64_main 14802926dd2eSrie #define ld_ofl_cleanup ld64_ofl_cleanup 148156deab07SRod Evans #define ld_process_mem ld64_process_mem 14825aefb655Srie #define ld_reloc_init ld64_reloc_init 14835aefb655Srie #define ld_reloc_process ld64_reloc_process 14845aefb655Srie #define ld_sym_validate ld64_sym_validate 14855aefb655Srie #define ld_update_outfile ld64_update_outfile 14865aefb655Srie 14875aefb655Srie #else 14885aefb655Srie 14895aefb655Srie #define ld_create_outfile ld32_create_outfile 14905aefb655Srie #define ld_ent_setup ld32_ent_setup 1491c1c6f601Srie #define ld_init_strings ld32_init_strings 1492ba2be530Sab196087 #define ld_init_target ld32_init_target 14935aefb655Srie #define ld_make_sections ld32_make_sections 14945aefb655Srie #define ld_main ld32_main 14952926dd2eSrie #define ld_ofl_cleanup ld32_ofl_cleanup 149656deab07SRod Evans #define ld_process_mem ld32_process_mem 14975aefb655Srie #define ld_reloc_init ld32_reloc_init 14985aefb655Srie #define ld_reloc_process ld32_reloc_process 14995aefb655Srie #define ld_sym_validate ld32_sym_validate 15005aefb655Srie #define ld_update_outfile ld32_update_outfile 15015aefb655Srie 15025aefb655Srie #endif 15035aefb655Srie 150492a02081SRod Evans extern int ld_getopt(Lm_list *, int, int, char **); 150592a02081SRod Evans 1506ba2be530Sab196087 extern int ld32_main(int, char **, Half); 1507ba2be530Sab196087 extern int ld64_main(int, char **, Half); 15085aefb655Srie 15095aefb655Srie extern uintptr_t ld_create_outfile(Ofl_desc *); 15105aefb655Srie extern uintptr_t ld_ent_setup(Ofl_desc *, Xword); 1511c1c6f601Srie extern uintptr_t ld_init_strings(Ofl_desc *); 1512ba2be530Sab196087 extern int ld_init_target(Lm_list *, Half mach); 15135aefb655Srie extern uintptr_t ld_make_sections(Ofl_desc *); 15142926dd2eSrie extern void ld_ofl_cleanup(Ofl_desc *); 151556deab07SRod Evans extern Ifl_desc *ld_process_mem(const char *, const char *, char *, 151656deab07SRod Evans size_t, Ofl_desc *, Rej_desc *); 15175aefb655Srie extern uintptr_t ld_reloc_init(Ofl_desc *); 15185aefb655Srie extern uintptr_t ld_reloc_process(Ofl_desc *); 15195aefb655Srie extern uintptr_t ld_sym_validate(Ofl_desc *); 15205aefb655Srie extern uintptr_t ld_update_outfile(Ofl_desc *); 15215aefb655Srie 15227c478bd9Sstevel@tonic-gate #ifdef __cplusplus 15237c478bd9Sstevel@tonic-gate } 15247c478bd9Sstevel@tonic-gate #endif 15257c478bd9Sstevel@tonic-gate 15267c478bd9Sstevel@tonic-gate #endif /* _LIBLD_H */ 1527