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 * 26bf994817SAli Bahrami * Copyright (c) 1992, 2010, Oracle and/or its affiliates. All rights reserved. 27*a48fdbefSBryan Cantrill * Copyright 2024 Oxide Computer Company 287c478bd9Sstevel@tonic-gate */ 297c478bd9Sstevel@tonic-gate 307c478bd9Sstevel@tonic-gate #ifndef _LIBLD_H 317c478bd9Sstevel@tonic-gate #define _LIBLD_H 327c478bd9Sstevel@tonic-gate 337c478bd9Sstevel@tonic-gate #include <stdlib.h> 347c478bd9Sstevel@tonic-gate #include <libelf.h> 357c478bd9Sstevel@tonic-gate #include <sgs.h> 36ba2be530Sab #include <_machelf.h> 377c478bd9Sstevel@tonic-gate #include <string_table.h> 387c478bd9Sstevel@tonic-gate #include <sys/avl.h> 397c478bd9Sstevel@tonic-gate #include <alist.h> 4069112eddSAli Bahrami #include <elfcap.h> 417c478bd9Sstevel@tonic-gate 427c478bd9Sstevel@tonic-gate #ifdef __cplusplus 437c478bd9Sstevel@tonic-gate extern "C" { 447c478bd9Sstevel@tonic-gate #endif 457c478bd9Sstevel@tonic-gate 467c478bd9Sstevel@tonic-gate /* 477c478bd9Sstevel@tonic-gate * Default directory search path manipulation for the link-editor. YLDIR 487c478bd9Sstevel@tonic-gate * indicates which directory in LIBPATH is replaced by the -YL option to cc 497c478bd9Sstevel@tonic-gate * and ld. YUDIR indicates which directory is replaced by -YU. 507c478bd9Sstevel@tonic-gate */ 517c478bd9Sstevel@tonic-gate #define YLDIR 1 527c478bd9Sstevel@tonic-gate #define YUDIR 2 537c478bd9Sstevel@tonic-gate 547c478bd9Sstevel@tonic-gate /* 557c478bd9Sstevel@tonic-gate * Define a hash value that can never be returned from elf_hash(). 567c478bd9Sstevel@tonic-gate */ 577c478bd9Sstevel@tonic-gate #define SYM_NOHASH (~(Word)0) 587c478bd9Sstevel@tonic-gate 597c478bd9Sstevel@tonic-gate /* 60240e56feSab * Macro that can be used to represent both ORDER flags 61240e56feSab * in a section header. 627c478bd9Sstevel@tonic-gate */ 637c478bd9Sstevel@tonic-gate #define ALL_SHF_ORDER (SHF_ORDERED | SHF_LINK_ORDER) 64240e56feSab 65240e56feSab /* 66240e56feSab * The linker merges (concatenates) sections with the same name and 67240e56feSab * compatible section header flags. When comparing these flags, 68240e56feSab * there are some that should not be included in the decision. 69240e56feSab * The ALL_SHF_IGNORE constant defines these flags. 70240e56feSab * 71240e56feSab * NOTE: SHF_MERGE|SHF_STRINGS: 72240e56feSab * The compiler is allowed to set the SHF_MERGE|SHF_STRINGS flags in 73240e56feSab * order to tell the linker that: 74240e56feSab * 75240e56feSab * 1) There is nothing in the section except null terminated strings. 76cce0e03bSab * 2) Those strings do not contain NULL bytes, except as termination. 77cce0e03bSab * 3) All references to these strings occur via standard relocation 78cce0e03bSab * records. 79cce0e03bSab * 80cce0e03bSab * As a result, if two compatible sections both have these flags set, it is 81cce0e03bSab * OK to combine the strings they contain into a single merged string table 82cce0e03bSab * with duplicates removed and tail strings merged. 83240e56feSab * 84240e56feSab * This is a different meaning than the simple concatenating of sections 85240e56feSab * that the linker always does. It is a hint that an additional optimization 86240e56feSab * is possible, but not required. This means that sections that do not 87cce0e03bSab * share the same SHF_MERGE|SHF_STRINGS values can be concatenated, 88cce0e03bSab * but cannot have their duplicate strings combined. Hence, the 89cce0e03bSab * SHF_MERGE|SHF_STRINGS flags should be ignored when deciding whether 90cce0e03bSab * two sections can be concatenated. 91240e56feSab */ 92240e56feSab #define ALL_SHF_IGNORE (ALL_SHF_ORDER | SHF_GROUP | SHF_MERGE | SHF_STRINGS) 937c478bd9Sstevel@tonic-gate 947c478bd9Sstevel@tonic-gate /* 957c478bd9Sstevel@tonic-gate * Define symbol reference types for use in symbol resolution. 967c478bd9Sstevel@tonic-gate */ 977c478bd9Sstevel@tonic-gate typedef enum { 987c478bd9Sstevel@tonic-gate REF_DYN_SEEN, /* a .so symbol has been seen */ 997c478bd9Sstevel@tonic-gate REF_DYN_NEED, /* a .so symbol satisfies a .o symbol */ 1007c478bd9Sstevel@tonic-gate REF_REL_NEED, /* a .o symbol */ 1017c478bd9Sstevel@tonic-gate REF_NUM /* the number of symbol references */ 1027c478bd9Sstevel@tonic-gate } Symref; 1037c478bd9Sstevel@tonic-gate 104bf994817SAli Bahrami /* 105bf994817SAli Bahrami * Relocation descriptor cache 106bf994817SAli Bahrami */ 107bf994817SAli Bahrami struct rel_cache { 108bf994817SAli Bahrami APlist *rc_list; /* list of Rel_cachebuf */ 109b6a0e2cdSRichard Lowe Word rc_cnt; /* and count */ 110bf994817SAli Bahrami }; 111bf994817SAli Bahrami 1127c478bd9Sstevel@tonic-gate /* 1137c478bd9Sstevel@tonic-gate * GOT reference models 1147c478bd9Sstevel@tonic-gate */ 1157c478bd9Sstevel@tonic-gate typedef enum { 1167c478bd9Sstevel@tonic-gate GOT_REF_GENERIC, /* generic symbol reference */ 1177c478bd9Sstevel@tonic-gate GOT_REF_TLSIE, /* TLS initial exec (gnu) reference */ 1187c478bd9Sstevel@tonic-gate GOT_REF_TLSLD, /* TLS local dynamic reference */ 1197c478bd9Sstevel@tonic-gate GOT_REF_TLSGD /* TLS general dynamic reference */ 1207c478bd9Sstevel@tonic-gate } Gotref; 1217c478bd9Sstevel@tonic-gate 1227c478bd9Sstevel@tonic-gate typedef struct { 1237c478bd9Sstevel@tonic-gate Xword gn_addend; /* addend associated with GOT entry */ 1247c478bd9Sstevel@tonic-gate Sword gn_gotndx; /* GOT table index */ 1257c478bd9Sstevel@tonic-gate Gotref gn_gotref; 1267c478bd9Sstevel@tonic-gate } Gotndx; 1277c478bd9Sstevel@tonic-gate 1287c478bd9Sstevel@tonic-gate /* 1297c478bd9Sstevel@tonic-gate * Got debugging structure. The got index is defined as a signed value as we 1307c478bd9Sstevel@tonic-gate * do so much mucking around with negative and positive gots on SPARC, and sign 1317c478bd9Sstevel@tonic-gate * extension is necessary when building 64-bit objects. On intel we explicitly 1327c478bd9Sstevel@tonic-gate * cast this variable to an unsigned value. 1337c478bd9Sstevel@tonic-gate */ 1347c478bd9Sstevel@tonic-gate typedef struct { 13557ef7aa9SRod Evans Sym_desc *gt_sym; 1367c478bd9Sstevel@tonic-gate Gotndx gt_gndx; 1377c478bd9Sstevel@tonic-gate } Gottable; 1387c478bd9Sstevel@tonic-gate 1396b3ba5bdSAli Bahrami /* 1406b3ba5bdSAli Bahrami * The link-editor caches the results of sloppy relocation processing 14140e53e87SAli Bahrami * in a variable of type Rlxrel_cache. Symbols come for processing in sorted 14240e53e87SAli Bahrami * order, so a single item cache suffices to eliminate duplicate lookups. 14340e53e87SAli Bahrami * 14440e53e87SAli Bahrami * When sloppy relocation processing fails, the Rlxrel_rej enum reports 14540e53e87SAli Bahrami * the underlying reason. 1466b3ba5bdSAli Bahrami */ 14740e53e87SAli Bahrami typedef enum { 14840e53e87SAli Bahrami RLXREL_REJ_NONE = 0, /* Replacement symbol was found */ 14940e53e87SAli Bahrami RLXREL_REJ_TARGET, /* Target sec disallows relaxed relocations */ 15040e53e87SAli Bahrami RLXREL_REJ_SECTION, /* Either there is no replacement section, */ 151b6a0e2cdSRichard Lowe /* or its attributes are incompatible */ 15240e53e87SAli Bahrami RLXREL_REJ_SYMBOL, /* Replacement symbol not found */ 15340e53e87SAli Bahrami } Rlxrel_rej; 15440e53e87SAli Bahrami 1556b3ba5bdSAli Bahrami typedef struct sreloc_cache { 1566b3ba5bdSAli Bahrami Sym_desc *sr_osdp; /* Original symbol */ 1576b3ba5bdSAli Bahrami Sym_desc *sr_rsdp; /* Replacement symbol */ 15840e53e87SAli Bahrami Rlxrel_rej sr_rej; /* Reason for failure if NULL sr_rsdp */ 15940e53e87SAli Bahrami } Rlxrel_cache; 1606b3ba5bdSAli Bahrami 161cdcc71c0SAli Bahrami /* 162cdcc71c0SAli Bahrami * Nodes in an ofl_wrap AVL tree 163cdcc71c0SAli Bahrami * 164cdcc71c0SAli Bahrami * wsn_name is the name of the symbol to be wrapped. wsn_wrapname is used 165cdcc71c0SAli Bahrami * when we need to refer to the wrap symbol, and consists of the symbol 166cdcc71c0SAli Bahrami * name with a __wrap_ prefix. 167cdcc71c0SAli Bahrami */ 168cdcc71c0SAli Bahrami typedef struct wrap_sym_node { 169cdcc71c0SAli Bahrami avl_node_t wsn_avlnode; /* AVL book-keeping */ 170cdcc71c0SAli Bahrami const char *wsn_name; /* Symbol name: XXX */ 171cdcc71c0SAli Bahrami const char *wsn_wrapname; /* Wrap symbol name: __wrap_XXX */ 172cdcc71c0SAli Bahrami } WrapSymNode; 173cdcc71c0SAli Bahrami 17408278a5eSRod Evans /* 17508278a5eSRod Evans * Capabilities structures, used to maintain a capabilities set. 17608278a5eSRod Evans * 17708278a5eSRod Evans * Capabilities can be defined within input relocatable objects, and can be 17808278a5eSRod Evans * augmented or replaced by mapfile directives. In addition, mapfile directives 17908278a5eSRod Evans * can be used to exclude capabilities that would otherwise be carried over to 18008278a5eSRod Evans * the output object. 18108278a5eSRod Evans * 18208278a5eSRod Evans * CA_SUNW_HW_1, CA_SUNW_SF_1 and CA_SUNW_HW_2 values are bitmasks. A current 18308278a5eSRod Evans * value, and an exclude value are maintained for each capability. 18408278a5eSRod Evans * 18508278a5eSRod Evans * There can be multiple CA_SUNW_PLAT and CA_SUNW_MACH entries and thus Alists 18608278a5eSRod Evans * are used to collect these entries. A current list for each capability is 18708278a5eSRod Evans * maintained as Capstr entries, which provide for maintaining the strings 18808278a5eSRod Evans * eventual index into a string table. An exclude list is maintained as a 18908278a5eSRod Evans * list of string pointers. 19008278a5eSRod Evans */ 19108278a5eSRod Evans typedef struct { 19208278a5eSRod Evans elfcap_mask_t cm_val; /* bitmask value */ 19308278a5eSRod Evans elfcap_mask_t cm_exc; /* bits to exclude from final object */ 19408278a5eSRod Evans } Capmask; 19508278a5eSRod Evans 19608278a5eSRod Evans typedef struct { 19708278a5eSRod Evans Alist *cl_val; /* string (Capstr) value */ 19808278a5eSRod Evans APlist *cl_exc; /* strings to exclude from final */ 19908278a5eSRod Evans } Caplist; /* object */ 20008278a5eSRod Evans 20108278a5eSRod Evans typedef struct { 20208278a5eSRod Evans char *cs_str; /* platform or machine name */ 20308278a5eSRod Evans Word cs_ndx; /* the entries output Cap index */ 20408278a5eSRod Evans } Capstr; 20508278a5eSRod Evans 20608278a5eSRod Evans typedef uint_t oc_flag_t; 20708278a5eSRod Evans typedef struct { 20808278a5eSRod Evans Capmask oc_hw_1; /* CA_SUNW_HW_1 capabilities */ 20908278a5eSRod Evans Capmask oc_sf_1; /* CA_SUNW_SF_1 capabilities */ 21008278a5eSRod Evans Capmask oc_hw_2; /* CA_SUNW_HW_2 capabilities */ 21108278a5eSRod Evans Caplist oc_plat; /* CA_SUNW_PLAT capabilities */ 21208278a5eSRod Evans Caplist oc_mach; /* CA_SUNW_MACH capabilities */ 21308278a5eSRod Evans Capstr oc_id; /* CA_SUNW_ID capability */ 21456726c7eSRobert Mustacchi Capmask oc_hw_3; /* CA_SUNW_HW_3 capabilities */ 21508278a5eSRod Evans oc_flag_t oc_flags; 21608278a5eSRod Evans } Objcapset; 21708278a5eSRod Evans 21808278a5eSRod Evans #define FLG_OCS_USRDEFID 0x1 /* user defined CA_SUNW_ID */ 219cdcc71c0SAli Bahrami 22069112eddSAli Bahrami /* 22169112eddSAli Bahrami * Bitmasks for a single capability. Capabilities come from input objects, 22269112eddSAli Bahrami * augmented or replaced by mapfile directives. In addition, mapfile directives 22369112eddSAli Bahrami * can be used to exclude bits that would otherwise be set in the output object. 22469112eddSAli Bahrami */ 22569112eddSAli Bahrami typedef struct { 22669112eddSAli Bahrami elfcap_mask_t cm_value; /* Bitmask value */ 22769112eddSAli Bahrami elfcap_mask_t cm_exclude; /* Bits to remove from final object */ 22869112eddSAli Bahrami } CapMask; 22969112eddSAli Bahrami 23069112eddSAli Bahrami /* 23169112eddSAli Bahrami * Combine the bitmask in a CapMask with the exclusion mask and 23269112eddSAli Bahrami * return the resulting final value. 23369112eddSAli Bahrami */ 23469112eddSAli Bahrami #define CAPMASK_VALUE(_cbmp) ((_cbmp)->cm_value & ~(_cbmp)->cm_exclude) 23569112eddSAli Bahrami 23669112eddSAli Bahrami typedef struct { 23769112eddSAli Bahrami CapMask c_hw_1; /* CA_SUNW_HW_1 capabilities */ 23869112eddSAli Bahrami CapMask c_sf_1; /* CA_SUNW_SF_1 capabilities */ 23969112eddSAli Bahrami CapMask c_hw_2; /* CA_SUNW_HW_2 capabilities */ 24069112eddSAli Bahrami } Outcapset; 24169112eddSAli Bahrami 24269112eddSAli Bahrami 2437c478bd9Sstevel@tonic-gate /* 2447c478bd9Sstevel@tonic-gate * Output file processing structure 2457c478bd9Sstevel@tonic-gate */ 2461007fd6fSAli Bahrami typedef Lword ofl_flag_t; 2471007fd6fSAli Bahrami typedef Word ofl_guideflag_t; 2487c478bd9Sstevel@tonic-gate struct ofl_desc { 2497c478bd9Sstevel@tonic-gate char *ofl_sgsid; /* link-editor identification */ 2507c478bd9Sstevel@tonic-gate const char *ofl_name; /* full file name */ 2517c478bd9Sstevel@tonic-gate Elf *ofl_elf; /* elf_memory() elf descriptor */ 2527c478bd9Sstevel@tonic-gate Elf *ofl_welf; /* ELF_C_WRITE elf descriptor */ 2535aefb655Srie Ehdr *ofl_dehdr; /* default elf header, and new elf */ 2545aefb655Srie Ehdr *ofl_nehdr; /* header describing this file */ 2557c478bd9Sstevel@tonic-gate Phdr *ofl_phdr; /* program header descriptor */ 2567c478bd9Sstevel@tonic-gate Phdr *ofl_tlsphdr; /* TLS phdr */ 2577c478bd9Sstevel@tonic-gate int ofl_fd; /* file descriptor */ 2587c478bd9Sstevel@tonic-gate size_t ofl_size; /* image size */ 25957ef7aa9SRod Evans APlist *ofl_maps; /* list of input mapfiles */ 26057ef7aa9SRod Evans APlist *ofl_segs; /* list of segments */ 26169112eddSAli Bahrami APlist *ofl_segs_order; /* SEGMENT_ORDER segments */ 26269112eddSAli Bahrami avl_tree_t ofl_segs_avl; /* O(log N) access to named segments */ 26369112eddSAli Bahrami APlist *ofl_ents; /* list of entrance descriptors */ 26469112eddSAli Bahrami avl_tree_t ofl_ents_avl; /* O(log N) access to named ent. desc */ 26557ef7aa9SRod Evans APlist *ofl_objs; /* relocatable object file list */ 266b6a0e2cdSRichard Lowe Word ofl_objscnt; /* and count */ 26757ef7aa9SRod Evans APlist *ofl_ars; /* archive library list */ 268b6a0e2cdSRichard Lowe Word ofl_arscnt; /* and count */ 269551cffe3SAli Bahrami int ofl_ars_gsandx; /* archive group argv index. 0 means */ 270551cffe3SAli Bahrami /* no current group, < 0 means */ 271551cffe3SAli Bahrami /* error reported. >0 is cur ndx */ 272551cffe3SAli Bahrami Word ofl_ars_gsndx; /* current -zrescan-start ofl_ars ndx */ 27357ef7aa9SRod Evans APlist *ofl_sos; /* shared object list */ 274b6a0e2cdSRichard Lowe Word ofl_soscnt; /* and count */ 27557ef7aa9SRod Evans APlist *ofl_soneed; /* list of implicitly required .so's */ 27657ef7aa9SRod Evans APlist *ofl_socntl; /* list of .so control definitions */ 277bf994817SAli Bahrami Rel_cache ofl_outrels; /* list of output relocations */ 278bf994817SAli Bahrami Rel_cache ofl_actrels; /* list of relocations to perform */ 279bf994817SAli Bahrami APlist *ofl_relaux; /* Rel_aux cache for outrels/actrels */ 280c174926fSrie Word ofl_entrelscnt; /* no of relocations entered */ 28157ef7aa9SRod Evans Alist *ofl_copyrels; /* list of copy relocations */ 28257ef7aa9SRod Evans APlist *ofl_ordered; /* list of shf_ordered sections */ 283635216b6SRod Evans APlist *ofl_symdtent; /* list of syminfo symbols that need */ 284635216b6SRod Evans /* to reference .dynamic entries */ 28557ef7aa9SRod Evans APlist *ofl_ismove; /* list of .SUNW_move sections */ 28657ef7aa9SRod Evans APlist *ofl_ismoverel; /* list of relocation input section */ 2877c478bd9Sstevel@tonic-gate /* targeting to expanded area */ 288b6a0e2cdSRichard Lowe APlist *ofl_parsyms; /* list of partially initialized */ 28957ef7aa9SRod Evans /* symbols (ie. move symbols) */ 29057ef7aa9SRod Evans APlist *ofl_extrarels; /* relocation sections which have */ 2917c478bd9Sstevel@tonic-gate /* a NULL sh_info */ 292cc7efc4fSrie avl_tree_t *ofl_groups; /* pointer to head of Groups AVL tree */ 29357ef7aa9SRod Evans APlist *ofl_initarray; /* list of init array func names */ 29457ef7aa9SRod Evans APlist *ofl_finiarray; /* list of fini array func names */ 29557ef7aa9SRod Evans APlist *ofl_preiarray; /* list of preinit array func names */ 29657ef7aa9SRod Evans APlist *ofl_rtldinfo; /* list of rtldinfo syms */ 29757ef7aa9SRod Evans APlist *ofl_osgroups; /* list of output GROUP sections */ 29857ef7aa9SRod Evans APlist *ofl_ostlsseg; /* pointer to sections in TLS segment */ 2997e16fca0SAli Bahrami APlist *ofl_unwind; /* list of unwind output sections */ 3007c478bd9Sstevel@tonic-gate Os_desc *ofl_unwindhdr; /* Unwind hdr */ 3017c478bd9Sstevel@tonic-gate avl_tree_t ofl_symavl; /* pointer to head of Syms AVL tree */ 3027c478bd9Sstevel@tonic-gate Sym_desc **ofl_regsyms; /* array of potential register */ 3037c478bd9Sstevel@tonic-gate Word ofl_regsymsno; /* symbols and array count */ 3047c478bd9Sstevel@tonic-gate Word ofl_regsymcnt; /* no. of output register symbols */ 3057c478bd9Sstevel@tonic-gate Word ofl_lregsymcnt; /* no. of local register symbols */ 3067c478bd9Sstevel@tonic-gate Sym_desc *ofl_dtracesym; /* ld -zdtrace= */ 3071d9df23bSab ofl_flag_t ofl_flags; /* various state bits, args etc. */ 3081d9df23bSab ofl_flag_t ofl_flags1; /* more flags */ 3097c478bd9Sstevel@tonic-gate void *ofl_entry; /* entry point (-e and Sym_desc *) */ 3107c478bd9Sstevel@tonic-gate char *ofl_filtees; /* shared objects we are a filter for */ 3117c478bd9Sstevel@tonic-gate const char *ofl_soname; /* (-h option) output file name for */ 3127c478bd9Sstevel@tonic-gate /* dynamic structure */ 3137c478bd9Sstevel@tonic-gate const char *ofl_interp; /* interpreter name used by exec() */ 3147c478bd9Sstevel@tonic-gate char *ofl_rpath; /* run path to store in .dynamic */ 3157c478bd9Sstevel@tonic-gate char *ofl_config; /* config path to store in .dynamic */ 31657ef7aa9SRod Evans APlist *ofl_ulibdirs; /* user supplied library search list */ 31757ef7aa9SRod Evans APlist *ofl_dlibdirs; /* default library search list */ 3187c478bd9Sstevel@tonic-gate Word ofl_vercnt; /* number of versions to generate */ 31957ef7aa9SRod Evans APlist *ofl_verdesc; /* list of version descriptors */ 3207c478bd9Sstevel@tonic-gate size_t ofl_verdefsz; /* size of version definition section */ 3217c478bd9Sstevel@tonic-gate size_t ofl_verneedsz; /* size of version needed section */ 3227c478bd9Sstevel@tonic-gate Word ofl_entercnt; /* no. of global symbols entered */ 3237c478bd9Sstevel@tonic-gate Word ofl_globcnt; /* no. of global symbols to output */ 3247c478bd9Sstevel@tonic-gate Word ofl_scopecnt; /* no. of scoped symbols to output */ 3259039eeafSab Word ofl_dynscopecnt; /* no. scoped syms in .SUNW_ldynsym */ 3267c478bd9Sstevel@tonic-gate Word ofl_elimcnt; /* no. of eliminated symbols */ 3279039eeafSab Word ofl_locscnt; /* no. of local symbols in .symtab */ 3289039eeafSab Word ofl_dynlocscnt; /* no. local symbols in .SUNW_ldynsym */ 329d579eb63Sab Word ofl_dynsymsortcnt; /* no. ndx in .SUNW_dynsymsort */ 330d579eb63Sab Word ofl_dyntlssortcnt; /* no. ndx in .SUNW_dyntlssort */ 3317c478bd9Sstevel@tonic-gate Word ofl_dynshdrcnt; /* no. of output section in .dynsym */ 3327c478bd9Sstevel@tonic-gate Word ofl_shdrcnt; /* no. of output sections */ 33308278a5eSRod Evans Word ofl_caploclcnt; /* no. of local capabilities symbols */ 33408278a5eSRod Evans Word ofl_capsymcnt; /* no. of symbol capabilities entries */ 33508278a5eSRod Evans /* required */ 33608278a5eSRod Evans Word ofl_capchaincnt; /* no. of Capchain symbols */ 33708278a5eSRod Evans APlist *ofl_capgroups; /* list of capabilities groups */ 33808278a5eSRod Evans avl_tree_t *ofl_capfamilies; /* capability family AVL tree */ 3397c478bd9Sstevel@tonic-gate Str_tbl *ofl_shdrsttab; /* Str_tbl for shdr strtab */ 3407c478bd9Sstevel@tonic-gate Str_tbl *ofl_strtab; /* Str_tbl for symtab strtab */ 3417c478bd9Sstevel@tonic-gate Str_tbl *ofl_dynstrtab; /* Str_tbl for dymsym strtab */ 3427c478bd9Sstevel@tonic-gate Gotndx *ofl_tlsldgotndx; /* index to LD TLS_index structure */ 3437c478bd9Sstevel@tonic-gate Xword ofl_relocsz; /* size of output relocations */ 3447c478bd9Sstevel@tonic-gate Xword ofl_relocgotsz; /* size of .got relocations */ 3457c478bd9Sstevel@tonic-gate Xword ofl_relocpltsz; /* size of .plt relocations */ 3467c478bd9Sstevel@tonic-gate Xword ofl_relocbsssz; /* size of .bss (copy) relocations */ 3477c478bd9Sstevel@tonic-gate Xword ofl_relocrelsz; /* size of .rel[a] relocations */ 3487c478bd9Sstevel@tonic-gate Word ofl_relocincnt; /* no. of input relocations */ 3497c478bd9Sstevel@tonic-gate Word ofl_reloccnt; /* tot number of output relocations */ 3507c478bd9Sstevel@tonic-gate Word ofl_reloccntsub; /* tot numb of output relocations to */ 3517c478bd9Sstevel@tonic-gate /* skip (-zignore) */ 3527c478bd9Sstevel@tonic-gate Word ofl_relocrelcnt; /* tot number of relative */ 3537c478bd9Sstevel@tonic-gate /* relocations */ 3547c478bd9Sstevel@tonic-gate Word ofl_gotcnt; /* no. of .got entries */ 3557c478bd9Sstevel@tonic-gate Word ofl_pltcnt; /* no. of .plt entries */ 3567c478bd9Sstevel@tonic-gate Word ofl_pltpad; /* no. of .plt padd entries */ 3577c478bd9Sstevel@tonic-gate Word ofl_hashbkts; /* no. of hash buckets required */ 3587c478bd9Sstevel@tonic-gate Is_desc *ofl_isbss; /* .bss input section (globals) */ 35954d82594Sseizo Is_desc *ofl_islbss; /* .lbss input section (globals) */ 3607c478bd9Sstevel@tonic-gate Is_desc *ofl_istlsbss; /* .tlsbss input section (globals) */ 36135450702SAli Bahrami Is_desc *ofl_isparexpn; /* -z nopartial .data input section */ 3627c478bd9Sstevel@tonic-gate Os_desc *ofl_osdynamic; /* .dynamic output section */ 3637c478bd9Sstevel@tonic-gate Os_desc *ofl_osdynsym; /* .dynsym output section */ 3649039eeafSab Os_desc *ofl_osldynsym; /* .SUNW_ldynsym output section */ 3657c478bd9Sstevel@tonic-gate Os_desc *ofl_osdynstr; /* .dynstr output section */ 366d579eb63Sab Os_desc *ofl_osdynsymsort; /* .SUNW_dynsymsort output section */ 367d579eb63Sab Os_desc *ofl_osdyntlssort; /* .SUNW_dyntlssort output section */ 3687c478bd9Sstevel@tonic-gate Os_desc *ofl_osgot; /* .got output section */ 3697c478bd9Sstevel@tonic-gate Os_desc *ofl_oshash; /* .hash output section */ 370b23a7923SAli Bahrami Os_desc *ofl_osinitarray; /* .init_array output section */ 371b23a7923SAli Bahrami Os_desc *ofl_osfiniarray; /* .fini_array output section */ 372b23a7923SAli Bahrami Os_desc *ofl_ospreinitarray; /* .preinit_array output section */ 3737c478bd9Sstevel@tonic-gate Os_desc *ofl_osinterp; /* .interp output section */ 3747c478bd9Sstevel@tonic-gate Os_desc *ofl_oscap; /* .SUNW_cap output section */ 37508278a5eSRod Evans Os_desc *ofl_oscapinfo; /* .SUNW_capinfo output section */ 37608278a5eSRod Evans Os_desc *ofl_oscapchain; /* .SUNW_capchain output section */ 3777c478bd9Sstevel@tonic-gate Os_desc *ofl_osplt; /* .plt output section */ 3787c478bd9Sstevel@tonic-gate Os_desc *ofl_osmove; /* .SUNW_move output section */ 3797c478bd9Sstevel@tonic-gate Os_desc *ofl_osrelhead; /* first relocation section */ 3807c478bd9Sstevel@tonic-gate Os_desc *ofl_osrel; /* .rel[a] relocation section */ 3817c478bd9Sstevel@tonic-gate Os_desc *ofl_osshstrtab; /* .shstrtab output section */ 3827c478bd9Sstevel@tonic-gate Os_desc *ofl_osstrtab; /* .strtab output section */ 3837c478bd9Sstevel@tonic-gate Os_desc *ofl_ossymtab; /* .symtab output section */ 3847c478bd9Sstevel@tonic-gate Os_desc *ofl_ossymshndx; /* .symtab_shndx output section */ 3857c478bd9Sstevel@tonic-gate Os_desc *ofl_osdynshndx; /* .dynsym_shndx output section */ 3869039eeafSab Os_desc *ofl_osldynshndx; /* .SUNW_ldynsym_shndx output sec */ 3877c478bd9Sstevel@tonic-gate Os_desc *ofl_osverdef; /* .version definition output section */ 3887c478bd9Sstevel@tonic-gate Os_desc *ofl_osverneed; /* .version needed output section */ 3897c478bd9Sstevel@tonic-gate Os_desc *ofl_osversym; /* .version symbol ndx output section */ 3907c478bd9Sstevel@tonic-gate Word ofl_dtflags_1; /* DT_FLAGS_1 entries */ 3917c478bd9Sstevel@tonic-gate Word ofl_dtflags; /* DT_FLAGS entries */ 3927c478bd9Sstevel@tonic-gate Os_desc *ofl_ossyminfo; /* .SUNW_syminfo output section */ 39335450702SAli Bahrami Half ofl_parexpnndx; /* -z nopartial section index */ 3947c478bd9Sstevel@tonic-gate /* Ref. at perform_outreloc() in */ 3957c478bd9Sstevel@tonic-gate /* libld/{mach}/machrel.c */ 3967c478bd9Sstevel@tonic-gate Xword *ofl_checksum; /* DT_CHECKSUM value address */ 3977c478bd9Sstevel@tonic-gate char *ofl_depaudit; /* dependency auditing required (-P) */ 3987c478bd9Sstevel@tonic-gate char *ofl_audit; /* object auditing required (-p) */ 3997c478bd9Sstevel@tonic-gate Alist *ofl_symfltrs; /* per-symbol filtees and their */ 4007c478bd9Sstevel@tonic-gate Alist *ofl_dtsfltrs; /* associated .dynamic/.dynstrs */ 40108278a5eSRod Evans Objcapset ofl_ocapset; /* object capabilities */ 4025aefb655Srie Lm_list *ofl_lml; /* runtime link-map list */ 403d326b23bSrie Gottable *ofl_gottable; /* debugging got information */ 40440e53e87SAli Bahrami Rlxrel_cache ofl_sr_cache; /* Cache last result from */ 4056b3ba5bdSAli Bahrami /* sloppy_comdat_reloc() */ 40657ef7aa9SRod Evans APlist *ofl_maptext; /* mapfile added text sections */ 40757ef7aa9SRod Evans APlist *ofl_mapdata; /* mapfile added data sections */ 408635216b6SRod Evans avl_tree_t *ofl_wrap; /* -z wrap symbols */ 4091007fd6fSAli Bahrami ofl_guideflag_t ofl_guideflags; /* -z guide flags */ 410b533f56bSRobert Mustacchi APlist *ofl_assdeflib; /* -z assert-deflib exceptions */ 411d2a70789SRichard Lowe int ofl_aslr; /* -z aslr, -1 disable, 1 enable */ 4128222814eSRichard Lowe APlist *ofl_symasserts; /* assertions about symbols */ 4138222814eSRichard Lowe /* from mapfiles */ 4147c478bd9Sstevel@tonic-gate }; 4157c478bd9Sstevel@tonic-gate 4167c478bd9Sstevel@tonic-gate #define FLG_OF_DYNAMIC 0x00000001 /* generate dynamic output module */ 4177c478bd9Sstevel@tonic-gate #define FLG_OF_STATIC 0x00000002 /* generate static output module */ 4187c478bd9Sstevel@tonic-gate #define FLG_OF_EXEC 0x00000004 /* generate an executable */ 4197c478bd9Sstevel@tonic-gate #define FLG_OF_RELOBJ 0x00000008 /* generate a relocatable object */ 4207c478bd9Sstevel@tonic-gate #define FLG_OF_SHAROBJ 0x00000010 /* generate a shared object */ 4217c478bd9Sstevel@tonic-gate #define FLG_OF_BFLAG 0x00000020 /* do no special plt building: -b */ 4227c478bd9Sstevel@tonic-gate #define FLG_OF_IGNENV 0x00000040 /* ignore LD_LIBRARY_PATH: -i */ 4237c478bd9Sstevel@tonic-gate #define FLG_OF_STRIP 0x00000080 /* strip output: -s */ 4247c478bd9Sstevel@tonic-gate #define FLG_OF_NOWARN 0x00000100 /* disable symbol warnings: -t */ 4257c478bd9Sstevel@tonic-gate #define FLG_OF_NOUNDEF 0x00000200 /* allow no undefined symbols: -zdefs */ 426635216b6SRod Evans #define FLG_OF_PURETXT 0x00000400 /* allow no text relocations: -ztext */ 4277c478bd9Sstevel@tonic-gate #define FLG_OF_GENMAP 0x00000800 /* generate a memory map: -m */ 4287c478bd9Sstevel@tonic-gate #define FLG_OF_DYNLIBS 0x00001000 /* dynamic input allowed: -Bdynamic */ 4297c478bd9Sstevel@tonic-gate #define FLG_OF_SYMBOLIC 0x00002000 /* bind global symbols: -Bsymbolic */ 4307c478bd9Sstevel@tonic-gate #define FLG_OF_ADDVERS 0x00004000 /* add version stamp: -Qy */ 4319039eeafSab #define FLG_OF_NOLDYNSYM 0x00008000 /* -znoldynsym set */ 43269112eddSAli Bahrami #define FLG_OF_IS_ORDER 0x00010000 /* input section ordering within a */ 43369112eddSAli Bahrami /* segment is required */ 43469112eddSAli Bahrami #define FLG_OF_EC_FILES 0x00020000 /* Ent_desc exist w/non-NULL ec_files */ 4357c478bd9Sstevel@tonic-gate #define FLG_OF_TEXTREL 0x00040000 /* text relocations have been found */ 4367c478bd9Sstevel@tonic-gate #define FLG_OF_MULDEFS 0x00080000 /* multiple symbols are allowed */ 437dd94ecefSrie #define FLG_OF_TLSPHDR 0x00100000 /* a TLS program header is required */ 4387c478bd9Sstevel@tonic-gate #define FLG_OF_BLDGOT 0x00200000 /* build GOT table */ 4397c478bd9Sstevel@tonic-gate #define FLG_OF_VERDEF 0x00400000 /* record version definitions */ 4407c478bd9Sstevel@tonic-gate #define FLG_OF_VERNEED 0x00800000 /* record version dependencies */ 4417c478bd9Sstevel@tonic-gate #define FLG_OF_NOVERSEC 0x01000000 /* don't record version sections */ 4420e233487SRod Evans #define FLG_OF_KEY 0x02000000 /* file requires sort keys */ 4437c478bd9Sstevel@tonic-gate #define FLG_OF_PROCRED 0x04000000 /* process any symbol reductions by */ 4447c478bd9Sstevel@tonic-gate /* effecting the symbol table */ 4457c478bd9Sstevel@tonic-gate /* output and relocations */ 4467c478bd9Sstevel@tonic-gate #define FLG_OF_SYMINFO 0x08000000 /* create a syminfo section */ 4477c478bd9Sstevel@tonic-gate #define FLG_OF_AUX 0x10000000 /* ofl_filter is an auxiliary filter */ 4487c478bd9Sstevel@tonic-gate #define FLG_OF_FATAL 0x20000000 /* fatal error during input */ 4497c478bd9Sstevel@tonic-gate #define FLG_OF_WARN 0x40000000 /* warning during input processing. */ 4507c478bd9Sstevel@tonic-gate #define FLG_OF_VERBOSE 0x80000000 /* -z verbose flag set */ 4517c478bd9Sstevel@tonic-gate 4529a411307Srie #define FLG_OF_MAPSYMB 0x000100000000 /* symbolic scope definition seen */ 4539a411307Srie #define FLG_OF_MAPGLOB 0x000200000000 /* global scope definition seen */ 454e38a713aSrie #define FLG_OF_COMREL 0x000400000000 /* -z combreloc set, which enables */ 455e38a713aSrie /* DT_RELACNT tracking, */ 456e38a713aSrie #define FLG_OF_NOCOMREL 0x000800000000 /* -z nocombreloc set */ 45744bac77bSrie #define FLG_OF_AUTOLCL 0x001000000000 /* automatically reduce unspecified */ 45844bac77bSrie /* global symbols to locals */ 459635216b6SRod Evans #define FLG_OF_AUTOELM 0x002000000000 /* automatically eliminate */ 46044bac77bSrie /* unspecified global symbols */ 46144bac77bSrie #define FLG_OF_REDLSYM 0x004000000000 /* reduce local symbols */ 46269112eddSAli Bahrami #define FLG_OF_OS_ORDER 0x008000000000 /* output section ordering required */ 463635216b6SRod Evans #define FLG_OF_OSABI 0x010000000000 /* tag object as ELFOSABI_SOLARIS */ 46408278a5eSRod Evans #define FLG_OF_ADJOSCNT 0x020000000000 /* adjust ofl_shdrcnt to accommodate */ 465e64d0ff9SAli Bahrami /* discarded sections */ 46608278a5eSRod Evans #define FLG_OF_OTOSCAP 0x040000000000 /* convert object capabilities to */ 46708278a5eSRod Evans /* symbol capabilities */ 46808278a5eSRod Evans #define FLG_OF_PTCAP 0x080000000000 /* PT_SUNWCAP required */ 46908278a5eSRod Evans #define FLG_OF_CAPSTRS 0x100000000000 /* capability strings are required */ 470d444b03eSAli Bahrami #define FLG_OF_EHFRAME 0x200000000000 /* output contains .eh_frame section */ 4711007fd6fSAli Bahrami #define FLG_OF_FATWARN 0x400000000000 /* make warnings fatal */ 472b533f56bSRobert Mustacchi #define FLG_OF_ADEFLIB 0x800000000000 /* no libraries in default path */ 4739a411307Srie 474b6a0e2cdSRichard Lowe #define FLG_OF_KMOD 0x1000000000000 /* output is a kernel module */ 475b6a0e2cdSRichard Lowe 4767c478bd9Sstevel@tonic-gate /* 4777c478bd9Sstevel@tonic-gate * In the flags1 arena, establish any options that are applicable to archive 4787c478bd9Sstevel@tonic-gate * extraction first, and associate a mask. These values are recorded with any 4797c478bd9Sstevel@tonic-gate * archive descriptor so that they may be reset should the archive require a 4807c478bd9Sstevel@tonic-gate * rescan to try and resolve undefined symbols. 4817c478bd9Sstevel@tonic-gate */ 48269112eddSAli Bahrami #define FLG_OF1_ALLEXRT 0x0000000001 /* extract all members from an */ 4837c478bd9Sstevel@tonic-gate /* archive file */ 48469112eddSAli Bahrami #define FLG_OF1_WEAKEXT 0x0000000002 /* allow archive extraction to */ 4857c478bd9Sstevel@tonic-gate /* resolve weak references */ 48669112eddSAli Bahrami #define MSK_OF1_ARCHIVE 0x0000000003 /* archive flags mask */ 48769112eddSAli Bahrami 48869112eddSAli Bahrami #define FLG_OF1_NOINTRP 0x0000000008 /* -z nointerp flag set */ 48969112eddSAli Bahrami #define FLG_OF1_ZDIRECT 0x0000000010 /* -z direct flag set */ 49069112eddSAli Bahrami #define FLG_OF1_NDIRECT 0x0000000020 /* no-direct bindings specified */ 491f441771bSRod Evans #define FLG_OF1_DEFERRED 0x0000000040 /* deferred dependency recording */ 49269112eddSAli Bahrami 49369112eddSAli Bahrami #define FLG_OF1_RELDYN 0x0000000100 /* process .dynamic in rel obj */ 49469112eddSAli Bahrami #define FLG_OF1_NRLXREL 0x0000000200 /* -z norelaxreloc flag set */ 49569112eddSAli Bahrami #define FLG_OF1_RLXREL 0x0000000400 /* -z relaxreloc flag set */ 49669112eddSAli Bahrami #define FLG_OF1_IGNORE 0x0000000800 /* ignore unused dependencies */ 49769112eddSAli Bahrami #define FLG_OF1_NOSGHND 0x0000001000 /* -z nosighandler flag set */ 49869112eddSAli Bahrami #define FLG_OF1_TEXTOFF 0x0000002000 /* text relocations are ok */ 49969112eddSAli Bahrami #define FLG_OF1_ABSEXEC 0x0000004000 /* -zabsexec set */ 50069112eddSAli Bahrami #define FLG_OF1_LAZYLD 0x0000008000 /* lazy loading of objects enabled */ 50169112eddSAli Bahrami #define FLG_OF1_GRPPRM 0x0000010000 /* dependencies are to have */ 5027c478bd9Sstevel@tonic-gate /* GROUPPERM enabled */ 5031007fd6fSAli Bahrami 50469112eddSAli Bahrami #define FLG_OF1_NOPARTI 0x0000040000 /* -znopartial set */ 50569112eddSAli Bahrami #define FLG_OF1_BSSOREL 0x0000080000 /* output relocation against bss */ 5067c478bd9Sstevel@tonic-gate /* section */ 50769112eddSAli Bahrami #define FLG_OF1_TLSOREL 0x0000100000 /* output relocation against .tlsbss */ 5087c478bd9Sstevel@tonic-gate /* section */ 50969112eddSAli Bahrami #define FLG_OF1_MEMORY 0x0000200000 /* produce a memory model */ 51069112eddSAli Bahrami #define FLG_OF1_NGLBDIR 0x0000400000 /* no DT_1_DIRECT flag allowed */ 51108278a5eSRod Evans #define FLG_OF1_ENCDIFF 0x0000800000 /* host running linker has different */ 512f3324781Sab /* byte order than output object */ 51369112eddSAli Bahrami #define FLG_OF1_VADDR 0x0001000000 /* a segment defines explicit vaddr */ 51469112eddSAli Bahrami #define FLG_OF1_EXTRACT 0x0002000000 /* archive member has been extracted */ 51569112eddSAli Bahrami #define FLG_OF1_RESCAN 0x0004000000 /* any archives should be rescanned */ 51669112eddSAli Bahrami #define FLG_OF1_IGNPRC 0x0008000000 /* ignore processing required */ 51769112eddSAli Bahrami #define FLG_OF1_NCSTTAB 0x0010000000 /* -znocompstrtab set */ 51869112eddSAli Bahrami #define FLG_OF1_DONE 0x0020000000 /* link-editor processing complete */ 51969112eddSAli Bahrami #define FLG_OF1_NONREG 0x0040000000 /* non-regular file specified as */ 5207c478bd9Sstevel@tonic-gate /* the output file */ 52169112eddSAli Bahrami #define FLG_OF1_ALNODIR 0x0080000000 /* establish NODIRECT for all */ 5227c478bd9Sstevel@tonic-gate /* exported interfaces. */ 52369112eddSAli Bahrami #define FLG_OF1_OVHWCAP1 0x0100000000 /* override CA_SUNW_HW_1 capabilities */ 52469112eddSAli Bahrami #define FLG_OF1_OVSFCAP1 0x0200000000 /* override CA_SUNW_SF_1 capabilities */ 52569112eddSAli Bahrami #define FLG_OF1_OVHWCAP2 0x0400000000 /* override CA_SUNW_HW_2 capabilities */ 52608278a5eSRod Evans #define FLG_OF1_OVMACHCAP 0x0800000000 /* override CA_SUNW_MACH capability */ 52708278a5eSRod Evans #define FLG_OF1_OVPLATCAP 0x1000000000 /* override CA_SUNW_PLAT capability */ 52808278a5eSRod Evans #define FLG_OF1_OVIDCAP 0x2000000000 /* override CA_SUNW_ID capability */ 52956726c7eSRobert Mustacchi #define FLG_OF1_OVHWCAP3 0x4000000000 /* override CA_SUNW_HW_3 capabilities */ 5307c478bd9Sstevel@tonic-gate 5311007fd6fSAli Bahrami /* 5321007fd6fSAli Bahrami * Guidance flags. The flags with the FLG_OFG_NO_ prefix are used to suppress 5331007fd6fSAli Bahrami * messages for a given category, and use the lower 28 bits of the word, 5341007fd6fSAli Bahrami * The upper nibble is reserved for other guidance status. 5351007fd6fSAli Bahrami */ 5361007fd6fSAli Bahrami #define FLG_OFG_ENABLE 0x10000000 /* -z guidance option active */ 5371007fd6fSAli Bahrami #define FLG_OFG_ISSUED 0x20000000 /* -z guidance message issued */ 5381007fd6fSAli Bahrami 5391007fd6fSAli Bahrami #define FLG_OFG_NO_ALL 0x0fffffff /* disable all guidance */ 5401007fd6fSAli Bahrami #define FLG_OFG_NO_DEFS 0x00000001 /* specify all dependencies */ 5411007fd6fSAli Bahrami #define FLG_OFG_NO_DB 0x00000002 /* use direct bindings */ 5421007fd6fSAli Bahrami #define FLG_OFG_NO_LAZY 0x00000004 /* be explicit about lazyload */ 5431007fd6fSAli Bahrami #define FLG_OFG_NO_MF 0x00000008 /* use v2 mapfile syntax */ 5441007fd6fSAli Bahrami #define FLG_OFG_NO_TEXT 0x00000010 /* verify pure text segment */ 5451007fd6fSAli Bahrami #define FLG_OFG_NO_UNUSED 0x00000020 /* remove unused dependency */ 5468222814eSRichard Lowe #define FLG_OFG_NO_ASSERTS 0x00000040 /* suggest mapfile assertions */ 5471007fd6fSAli Bahrami 5481007fd6fSAli Bahrami /* 5491007fd6fSAli Bahrami * Test to see if a guidance should be given for a given category 5501007fd6fSAli Bahrami * or not. _no_flag is one of the FLG_OFG_NO_xxx flags. Returns TRUE 5511007fd6fSAli Bahrami * if the guidance should be issued, and FALSE to remain silent. 5521007fd6fSAli Bahrami */ 5531007fd6fSAli Bahrami #define OFL_GUIDANCE(_ofl, _no_flag) (((_ofl)->ofl_guideflags & \ 5541007fd6fSAli Bahrami (FLG_OFG_ENABLE | (_no_flag))) == FLG_OFG_ENABLE) 5551007fd6fSAli Bahrami 5569039eeafSab /* 5579039eeafSab * Test to see if the output file would allow the presence of 5589039eeafSab * a .dynsym section. 5599039eeafSab */ 560f3324781Sab #define OFL_ALLOW_DYNSYM(_ofl) (((_ofl)->ofl_flags & \ 5619039eeafSab (FLG_OF_DYNAMIC | FLG_OF_RELOBJ)) == FLG_OF_DYNAMIC) 5629039eeafSab 5639039eeafSab /* 5649039eeafSab * Test to see if the output file would allow the presence of 5659039eeafSab * a .SUNW_ldynsym section. The requirements are that a .dynsym 5669039eeafSab * is allowed, and -znoldynsym has not been specified. Note that 5679039eeafSab * even if the answer is True (1), we will only generate one if there 5689039eeafSab * are local symbols that require it. 5699039eeafSab */ 570f3324781Sab #define OFL_ALLOW_LDYNSYM(_ofl) (((_ofl)->ofl_flags & \ 5719039eeafSab (FLG_OF_DYNAMIC | FLG_OF_RELOBJ | FLG_OF_NOLDYNSYM)) == FLG_OF_DYNAMIC) 5729039eeafSab 573f3324781Sab /* 574f3324781Sab * Test to see if relocation processing should be done. This is normally 575f3324781Sab * true, but can be disabled via the '-z noreloc' option. Note that 576f3324781Sab * relocatable objects are still relocated even if '-z noreloc' is present. 577f3324781Sab */ 578f3324781Sab #define OFL_DO_RELOC(_ofl) (((_ofl)->ofl_flags & FLG_OF_RELOBJ) || \ 579f3324781Sab !((_ofl)->ofl_dtflags_1 & DF_1_NORELOC)) 580f3324781Sab 581635216b6SRod Evans /* 582635216b6SRod Evans * Determine whether a static executable is being built. 583635216b6SRod Evans */ 584635216b6SRod Evans #define OFL_IS_STATIC_EXEC(_ofl) (((_ofl)->ofl_flags & \ 585635216b6SRod Evans (FLG_OF_STATIC | FLG_OF_EXEC)) == (FLG_OF_STATIC | FLG_OF_EXEC)) 586635216b6SRod Evans 587635216b6SRod Evans /* 588635216b6SRod Evans * Determine whether a static object is being built. This macro is used 589635216b6SRod Evans * to select the appropriate string table, and symbol table that other 590635216b6SRod Evans * sections need to reference. 591635216b6SRod Evans */ 592635216b6SRod Evans #define OFL_IS_STATIC_OBJ(_ofl) ((_ofl)->ofl_flags & \ 593635216b6SRod Evans (FLG_OF_RELOBJ | FLG_OF_STATIC)) 594635216b6SRod Evans 595635216b6SRod Evans /* 596635216b6SRod Evans * Macros for counting symbol table entries. These are used to size symbol 597635216b6SRod Evans * tables and associated sections (.syminfo, SUNW_capinfo, .hash, etc.) and 598635216b6SRod Evans * set required sh_info entries (the offset to the first global symbol). 599635216b6SRod Evans */ 600635216b6SRod Evans #define SYMTAB_LOC_CNT(_ofl) /* local .symtab entries */ \ 601635216b6SRod Evans (2 + /* NULL and STT_FILE */ \ 602635216b6SRod Evans (_ofl)->ofl_shdrcnt + /* section symbol */ \ 60308278a5eSRod Evans (_ofl)->ofl_caploclcnt + /* local capabilities */ \ 604635216b6SRod Evans (_ofl)->ofl_scopecnt + /* scoped symbols */ \ 605635216b6SRod Evans (_ofl)->ofl_locscnt) /* standard locals */ 606635216b6SRod Evans #define SYMTAB_ALL_CNT(_ofl) /* all .symtab entries */ \ 607635216b6SRod Evans (SYMTAB_LOC_CNT(_ofl) + /* .symtab locals */ \ 608635216b6SRod Evans (_ofl)->ofl_globcnt) /* standard globals */ 609635216b6SRod Evans 610635216b6SRod Evans #define DYNSYM_LOC_CNT(_ofl) /* local .dynsym entries */ \ 611635216b6SRod Evans (1 + /* NULL */ \ 612635216b6SRod Evans (_ofl)->ofl_dynshdrcnt + /* section symbols */ \ 61308278a5eSRod Evans (_ofl)->ofl_caploclcnt + /* local capabilities */ \ 614635216b6SRod Evans (_ofl)->ofl_lregsymcnt) /* local register symbols */ 615635216b6SRod Evans #define DYNSYM_ALL_CNT(_ofl) /* all .dynsym entries */ \ 616635216b6SRod Evans (DYNSYM_LOC_CNT(_ofl) + /* .dynsym locals */ \ 617635216b6SRod Evans (_ofl)->ofl_globcnt) /* standard globals */ 618635216b6SRod Evans 61957ef7aa9SRod Evans /* 62057ef7aa9SRod Evans * Define a move descriptor used within relocation structures. 62157ef7aa9SRod Evans */ 62257ef7aa9SRod Evans typedef struct { 62357ef7aa9SRod Evans Move *mr_move; 62457ef7aa9SRod Evans Sym_desc *mr_sym; 62557ef7aa9SRod Evans } Mv_reloc; 62657ef7aa9SRod Evans 6277c478bd9Sstevel@tonic-gate /* 6287c478bd9Sstevel@tonic-gate * Relocation (active & output) processing structure - transparent to common 629bf994817SAli Bahrami * code. There can be millions of these structures in a large link, so it 630bf994817SAli Bahrami * is important to keep it small. You should only add new items to Rel_desc 631bf994817SAli Bahrami * if they are critical, apply to most relocations, and cannot be easily 632bf994817SAli Bahrami * computed from the other information. 633bf994817SAli Bahrami * 634bf994817SAli Bahrami * Items that can be derived should be implemented as a function that accepts 635bf994817SAli Bahrami * a Rel_desc argument, and returns the desired data. ld_reloc_sym_name() is 636bf994817SAli Bahrami * an example of this. 637bf994817SAli Bahrami * 638bf994817SAli Bahrami * Lesser used relocation data is kept in an auxiliary block, Rel_aux, 639bf994817SAli Bahrami * that is only allocated as necessary. In exchange for adding one pointer 640bf994817SAli Bahrami * of overhead to Rel_desc (rel_aux), most relocations are reduced in size 641bf994817SAli Bahrami * by the size of Rel_aux. This strategy relies on the data in Rel_aux 642bf994817SAli Bahrami * being rarely needed --- otherwise it will backfire badly. 643cce0e03bSab * 644cce0e03bSab * Note that rel_raddend is primarily only of interest to RELA relocations, 645cce0e03bSab * and is set to 0 for REL. However, there is an exception: If FLG_REL_NADDEND 646cce0e03bSab * is set, then rel_raddend contains a replacement value for the implicit 647cce0e03bSab * addend found in the relocation target. 648bf994817SAli Bahrami * 649bf994817SAli Bahrami * Fields should be ordered from largest to smallest, to minimize packing 650bf994817SAli Bahrami * holes in the struct layout. 6517c478bd9Sstevel@tonic-gate */ 6527c478bd9Sstevel@tonic-gate struct rel_desc { 6537c478bd9Sstevel@tonic-gate Is_desc *rel_isdesc; /* input section reloc is against */ 6547c478bd9Sstevel@tonic-gate Sym_desc *rel_sym; /* sym relocation is against */ 655bf994817SAli Bahrami Rel_aux *rel_aux; /* NULL, or auxiliary data */ 6567c478bd9Sstevel@tonic-gate Xword rel_roffset; /* relocation offset */ 6577c478bd9Sstevel@tonic-gate Sxword rel_raddend; /* addend from input relocation */ 658bf994817SAli Bahrami Word rel_flags; /* misc. flags for relocations */ 659bf994817SAli Bahrami Word rel_rtype; /* relocation type */ 660bf994817SAli Bahrami }; 661bf994817SAli Bahrami 662bf994817SAli Bahrami /* 663bf994817SAli Bahrami * Data that would be kept in Rel_desc if the size of that structure was 664bf994817SAli Bahrami * not an issue. This auxiliary block is only allocated as needed, 665bf994817SAli Bahrami * and must only contain rarely needed items. The goal is for the vast 666bf994817SAli Bahrami * majority of Rel_desc structs to not have an auxiliary block. 667bf994817SAli Bahrami * 668bf994817SAli Bahrami * When a Rel_desc does not have an auxiliary block, a default value 669bf994817SAli Bahrami * is assumed for each auxiliary item: 670bf994817SAli Bahrami * 671bf994817SAli Bahrami * - ra_osdesc: 672bf994817SAli Bahrami * Output section to which relocation applies. The default 673bf994817SAli Bahrami * value for this is the output section associated with the 674bf994817SAli Bahrami * input section (rel_isdesc->is_osdesc), or NULL if there 675bf994817SAli Bahrami * is no associated input section. 676bf994817SAli Bahrami * 677bf994817SAli Bahrami * - ra_usym: 678bf994817SAli Bahrami * If the symbol associated with a relocation is part of a weak/strong 679bf994817SAli Bahrami * pair, then ra_usym contains the strong symbol and rel_sym the weak. 680bf994817SAli Bahrami * Otherwise, the default value is the same value as rel_sym. 681bf994817SAli Bahrami * 682bf994817SAli Bahrami * - ra_move: 683bf994817SAli Bahrami * Move table data. The default value is NULL. 684bf994817SAli Bahrami * 685bf994817SAli Bahrami * - ra_typedata: 686bf994817SAli Bahrami * ELF_R_TYPE_DATA(info). This value applies only to a small 687bf994817SAli Bahrami * subset of 64-bit sparc relocations, and is otherwise 0. The 688bf994817SAli Bahrami * default value is 0. 689bf994817SAli Bahrami * 690bf994817SAli Bahrami * If any value in Rel_aux is non-default, then an auxiliary block is 691bf994817SAli Bahrami * necessary, and each field contains its actual value. If all the auxiliary 692bf994817SAli Bahrami * values are default, no Rel_aux is needed, and the RELAUX_GET_xxx() 693bf994817SAli Bahrami * macros below are able to supply the proper default. 694bf994817SAli Bahrami * 695bf994817SAli Bahrami * To set a Rel_aux value, use the ld_reloc_set_aux_XXX() functions. 696bf994817SAli Bahrami * These functions are written to avoid unnecessary auxiliary allocations, 697bf994817SAli Bahrami * and know the rules for each item. 698bf994817SAli Bahrami */ 699bf994817SAli Bahrami struct rel_aux { 700bf994817SAli Bahrami Os_desc *ra_osdesc; /* output section reloc is against */ 701bf994817SAli Bahrami Sym_desc *ra_usym; /* strong sym if this is a weak pair */ 702bf994817SAli Bahrami Mv_reloc *ra_move; /* move table information */ 703bf994817SAli Bahrami Word ra_typedata; /* ELF_R_TYPE_DATA(info) */ 7047c478bd9Sstevel@tonic-gate }; 7057c478bd9Sstevel@tonic-gate 706bf994817SAli Bahrami /* 707bf994817SAli Bahrami * Test a given auxiliary value to determine if it has the default value 708bf994817SAli Bahrami * for that item, as described above. If all the auxiliary items have 709bf994817SAli Bahrami * their default values, no auxiliary place is necessary to represent them. 710bf994817SAli Bahrami * If any one of them is non-default, the auxiliary block is needed. 711bf994817SAli Bahrami */ 712bf994817SAli Bahrami #define RELAUX_ISDEFAULT_MOVE(_rdesc, _mv) (_mv == NULL) 713bf994817SAli Bahrami #define RELAUX_ISDEFAULT_USYM(_rdesc, _usym) ((_rdesc)->rel_sym == _usym) 714bf994817SAli Bahrami #define RELAUX_ISDEFAULT_OSDESC(_rdesc, _osdesc) \ 715bf994817SAli Bahrami ((((_rdesc)->rel_isdesc == NULL) && (_osdesc == NULL)) || \ 716bf994817SAli Bahrami ((_rdesc)->rel_isdesc && ((_rdesc)->rel_isdesc->is_osdesc == _osdesc))) 717bf994817SAli Bahrami #define RELAUX_ISDEFAULT_TYPEDATA(_rdesc, _typedata) (_typedata == 0) 718bf994817SAli Bahrami 719bf994817SAli Bahrami /* 720bf994817SAli Bahrami * Retrieve the value of an auxiliary relocation item, preserving the illusion 721bf994817SAli Bahrami * that every relocation descriptor has an auxiliary block attached. The 722bf994817SAli Bahrami * real implementation is that an auxiliary block is only present if one or 723bf994817SAli Bahrami * more auxiliary items have non-default values. These macros return the true 724bf994817SAli Bahrami * value if an auxiliary block is present, and the default value for the 725bf994817SAli Bahrami * item otherwise. 726bf994817SAli Bahrami */ 727bf994817SAli Bahrami #define RELAUX_GET_MOVE(_rdesc) \ 728bf994817SAli Bahrami ((_rdesc)->rel_aux ? (_rdesc)->rel_aux->ra_move : NULL) 729bf994817SAli Bahrami #define RELAUX_GET_USYM(_rdesc) \ 730bf994817SAli Bahrami ((_rdesc)->rel_aux ? (_rdesc)->rel_aux->ra_usym : (_rdesc)->rel_sym) 731bf994817SAli Bahrami #define RELAUX_GET_OSDESC(_rdesc) \ 732bf994817SAli Bahrami ((_rdesc)->rel_aux ? (_rdesc)->rel_aux->ra_osdesc : \ 733bf994817SAli Bahrami ((_rdesc)->rel_isdesc ? (_rdesc)->rel_isdesc->is_osdesc : NULL)) 734bf994817SAli Bahrami #define RELAUX_GET_TYPEDATA(_rdesc) \ 735bf994817SAli Bahrami ((_rdesc)->rel_aux ? (_rdesc)->rel_aux->ra_typedata : 0) 736bf994817SAli Bahrami 7377c478bd9Sstevel@tonic-gate /* 7387c478bd9Sstevel@tonic-gate * common flags used on the Rel_desc structure (defined in machrel.h). 7397c478bd9Sstevel@tonic-gate */ 7407c478bd9Sstevel@tonic-gate #define FLG_REL_GOT 0x00000001 /* relocation against GOT */ 7417c478bd9Sstevel@tonic-gate #define FLG_REL_PLT 0x00000002 /* relocation against PLT */ 7427c478bd9Sstevel@tonic-gate #define FLG_REL_BSS 0x00000004 /* relocation against BSS */ 7437c478bd9Sstevel@tonic-gate #define FLG_REL_LOAD 0x00000008 /* section loadable */ 7447c478bd9Sstevel@tonic-gate #define FLG_REL_SCNNDX 0x00000010 /* use section index for symbol ndx */ 7457c478bd9Sstevel@tonic-gate #define FLG_REL_CLVAL 0x00000020 /* clear VALUE for active relocation */ 7467c478bd9Sstevel@tonic-gate #define FLG_REL_ADVAL 0x00000040 /* add VALUE for output relocation, */ 74763360950Smp /* only relevant to SPARC and */ 7487c478bd9Sstevel@tonic-gate /* R_SPARC_RELATIVE */ 7497c478bd9Sstevel@tonic-gate #define FLG_REL_GOTCL 0x00000080 /* clear the GOT entry. This is */ 7507c478bd9Sstevel@tonic-gate /* relevant to RELA relocations, */ 7517c478bd9Sstevel@tonic-gate /* not REL (i386) relocations */ 7527c478bd9Sstevel@tonic-gate #define FLG_REL_MOVETAB 0x00000100 /* Relocation against .SUNW_move */ 7537c478bd9Sstevel@tonic-gate /* adjustments required before */ 7547c478bd9Sstevel@tonic-gate /* actual relocation */ 7557c478bd9Sstevel@tonic-gate #define FLG_REL_NOINFO 0x00000200 /* Relocation comes from a section */ 7567c478bd9Sstevel@tonic-gate /* with a null sh_info field */ 7577c478bd9Sstevel@tonic-gate #define FLG_REL_REG 0x00000400 /* Relocation target is reg sym */ 7587c478bd9Sstevel@tonic-gate #define FLG_REL_FPTR 0x00000800 /* relocation against func. desc. */ 7597c478bd9Sstevel@tonic-gate #define FLG_REL_RFPTR1 0x00001000 /* Relative relocation against */ 7607c478bd9Sstevel@tonic-gate /* 1st part of FD */ 7617c478bd9Sstevel@tonic-gate #define FLG_REL_RFPTR2 0x00002000 /* Relative relocation against */ 7627c478bd9Sstevel@tonic-gate /* 2nd part of FD */ 7637c478bd9Sstevel@tonic-gate #define FLG_REL_DISP 0x00004000 /* *disp* relocation */ 7647c478bd9Sstevel@tonic-gate #define FLG_REL_STLS 0x00008000 /* IE TLS reference to */ 7657c478bd9Sstevel@tonic-gate /* static TLS GOT index */ 7667c478bd9Sstevel@tonic-gate #define FLG_REL_DTLS 0x00010000 /* GD TLS reference relative to */ 7677c478bd9Sstevel@tonic-gate /* dynamic TLS GOT index */ 7687c478bd9Sstevel@tonic-gate #define FLG_REL_MTLS 0x00020000 /* LD TLS reference against GOT */ 7697c478bd9Sstevel@tonic-gate #define FLG_REL_STTLS 0x00040000 /* LE TLS reference directly */ 7707c478bd9Sstevel@tonic-gate /* to static tls index */ 7717c478bd9Sstevel@tonic-gate #define FLG_REL_TLSFIX 0x00080000 /* relocation points to TLS instr. */ 7727c478bd9Sstevel@tonic-gate /* which needs updating */ 77357ef7aa9SRod Evans #define FLG_REL_RELA 0x00100000 /* descriptor captures a Rela */ 7747c478bd9Sstevel@tonic-gate #define FLG_REL_GOTFIX 0x00200000 /* relocation points to GOTOP instr. */ 7757c478bd9Sstevel@tonic-gate /* which needs updating */ 776cce0e03bSab #define FLG_REL_NADDEND 0x00400000 /* Replace implicit addend in dest */ 777cce0e03bSab /* with value in rel_raddend */ 778cce0e03bSab /* Relevant to REL (i386) */ 779cce0e03bSab /* relocations, not to RELA. */ 7807c478bd9Sstevel@tonic-gate 7817c478bd9Sstevel@tonic-gate /* 782bf994817SAli Bahrami * We often need the name of the symbol contained in a relocation descriptor 783bf994817SAli Bahrami * for diagnostic or error output. This is usually the symbol name, but 784bf994817SAli Bahrami * we substitute a constructed name in some cases. Hence, the name is 785bf994817SAli Bahrami * generated on the fly by a private function within libld. This is the 786bf994817SAli Bahrami * prototype for that function. 7877c478bd9Sstevel@tonic-gate */ 788bf994817SAli Bahrami typedef const char *(* rel_desc_sname_func_t)(Rel_desc *); 789bf994817SAli Bahrami 790bf994817SAli Bahrami /* 791bf994817SAli Bahrami * Header for a relocation descriptor cache buffer. 792bf994817SAli Bahrami */ 793bf994817SAli Bahrami struct rel_cachebuf { 7947c478bd9Sstevel@tonic-gate Rel_desc *rc_end; 7957c478bd9Sstevel@tonic-gate Rel_desc *rc_free; 796bf994817SAli Bahrami Rel_desc rc_arr[1]; 797bf994817SAli Bahrami }; 798bf994817SAli Bahrami 799bf994817SAli Bahrami /* 800bf994817SAli Bahrami * Header for a relocation auxiliary descriptor cache buffer. 801bf994817SAli Bahrami */ 802bf994817SAli Bahrami struct rel_aux_cachebuf { 803bf994817SAli Bahrami Rel_aux *rac_end; 804bf994817SAli Bahrami Rel_aux *rac_free; 805bf994817SAli Bahrami Rel_aux rac_arr[1]; 8067c478bd9Sstevel@tonic-gate }; 8077c478bd9Sstevel@tonic-gate 808bf994817SAli Bahrami /* 809bf994817SAli Bahrami * Convenience macro for traversing every relocation descriptor found within 810bf994817SAli Bahrami * a given relocation cache, transparently handling the cache buffers and 811bf994817SAli Bahrami * skipping any unallocated descriptors within the buffers. 812bf994817SAli Bahrami * 813bf994817SAli Bahrami * entry: 814bf994817SAli Bahrami * _rel_cache - Relocate descriptor cache (Rel_cache) to traverse 815bf994817SAli Bahrami * _idx - Aliste index variable for use by the macro 816bf994817SAli Bahrami * _rcbp - Cache buffer pointer, for use by the macro 817bf994817SAli Bahrami * _orsp - Rel_desc pointer, which will take on the value of a different 818bf994817SAli Bahrami * relocation descriptor in the cache in each iteration. 819bf994817SAli Bahrami * 820bf994817SAli Bahrami * The caller must not assign new values to _idx, _rcbp, or _orsp within 821bf994817SAli Bahrami * the scope of REL_CACHE_TRAVERSE. 822bf994817SAli Bahrami */ 823bf994817SAli Bahrami #define REL_CACHE_TRAVERSE(_rel_cache, _idx, _rcbp, _orsp) \ 824bf994817SAli Bahrami for (APLIST_TRAVERSE((_rel_cache)->rc_list, _idx, _rcbp)) \ 825bf994817SAli Bahrami for (_orsp = _rcbp->rc_arr; _orsp < _rcbp->rc_free; _orsp++) 826bf994817SAli Bahrami 8277c478bd9Sstevel@tonic-gate /* 8287c478bd9Sstevel@tonic-gate * Symbol value descriptor. For relocatable objects, each symbols value is 8297c478bd9Sstevel@tonic-gate * its offset within its associated section. Therefore, to uniquely define 830bf994817SAli Bahrami * each symbol within a relocatable object, record and sort the sh_offset and 83108278a5eSRod Evans * symbol value. This information is used to search for displacement 8327c478bd9Sstevel@tonic-gate * relocations as part of copy relocation validation. 8337c478bd9Sstevel@tonic-gate */ 8347c478bd9Sstevel@tonic-gate typedef struct { 8357c478bd9Sstevel@tonic-gate Addr ssv_value; 8367c478bd9Sstevel@tonic-gate Sym_desc *ssv_sdp; 8377c478bd9Sstevel@tonic-gate } Ssv_desc; 8387c478bd9Sstevel@tonic-gate 8397c478bd9Sstevel@tonic-gate /* 8407c478bd9Sstevel@tonic-gate * Input file processing structures. 8417c478bd9Sstevel@tonic-gate */ 8427c478bd9Sstevel@tonic-gate struct ifl_desc { /* input file descriptor */ 8437c478bd9Sstevel@tonic-gate const char *ifl_name; /* full file name */ 8447c478bd9Sstevel@tonic-gate const char *ifl_soname; /* shared object name */ 8457c478bd9Sstevel@tonic-gate dev_t ifl_stdev; /* device id and inode number for .so */ 8467c478bd9Sstevel@tonic-gate ino_t ifl_stino; /* multiple inclusion checks */ 8477c478bd9Sstevel@tonic-gate Ehdr *ifl_ehdr; /* elf header describing this file */ 8487c478bd9Sstevel@tonic-gate Elf *ifl_elf; /* elf descriptor for this file */ 8497c478bd9Sstevel@tonic-gate Sym_desc **ifl_oldndx; /* original symbol table indices */ 8507c478bd9Sstevel@tonic-gate Sym_desc *ifl_locs; /* symbol desc version of locals */ 8517c478bd9Sstevel@tonic-gate Ssv_desc *ifl_sortsyms; /* sorted list of symbols by value */ 8527c478bd9Sstevel@tonic-gate Word ifl_locscnt; /* no. of local symbols to process */ 8537c478bd9Sstevel@tonic-gate Word ifl_symscnt; /* total no. of symbols to process */ 8547c478bd9Sstevel@tonic-gate Word ifl_sortcnt; /* no. of sorted symbols to process */ 8557c478bd9Sstevel@tonic-gate Word ifl_shnum; /* number of sections in file */ 8567c478bd9Sstevel@tonic-gate Word ifl_shstrndx; /* index to .shstrtab */ 8577c478bd9Sstevel@tonic-gate Word ifl_vercnt; /* number of versions in file */ 85857ef7aa9SRod Evans Half ifl_neededndx; /* index to NEEDED in .dyn section */ 85928bda19cSRod Evans Word ifl_flags; /* explicit/implicit reference */ 8607c478bd9Sstevel@tonic-gate Is_desc **ifl_isdesc; /* isdesc[scn ndx] = Is_desc ptr */ 8617c478bd9Sstevel@tonic-gate Sdf_desc *ifl_sdfdesc; /* control definition */ 8627c478bd9Sstevel@tonic-gate Versym *ifl_versym; /* version symbol table array */ 8637c478bd9Sstevel@tonic-gate Ver_index *ifl_verndx; /* verndx[ver ndx] = Ver_index */ 86457ef7aa9SRod Evans APlist *ifl_verdesc; /* version descriptor list */ 86557ef7aa9SRod Evans APlist *ifl_relsect; /* relocation section list */ 866cc7efc4fSrie Alist *ifl_groups; /* SHT_GROUP section list */ 86708278a5eSRod Evans Cap_desc *ifl_caps; /* capabilities descriptor */ 8687c478bd9Sstevel@tonic-gate }; 8697c478bd9Sstevel@tonic-gate 870d840867fSab #define FLG_IF_CMDLINE 0x00000001 /* full filename specified from the */ 8717c478bd9Sstevel@tonic-gate /* command line (no -l) */ 872d840867fSab #define FLG_IF_NEEDED 0x00000002 /* shared object should be recorded */ 873d840867fSab #define FLG_IF_DIRECT 0x00000004 /* establish direct bindings to this */ 8747c478bd9Sstevel@tonic-gate /* object */ 875d840867fSab #define FLG_IF_EXTRACT 0x00000008 /* file extracted from an archive */ 876d840867fSab #define FLG_IF_VERNEED 0x00000010 /* version dependency information is */ 8777c478bd9Sstevel@tonic-gate /* required */ 878d840867fSab #define FLG_IF_DEPREQD 0x00000020 /* dependency is required to satisfy */ 8797c478bd9Sstevel@tonic-gate /* symbol references */ 880d840867fSab #define FLG_IF_NEEDSTR 0x00000040 /* dependency specified by -Nn */ 8817c478bd9Sstevel@tonic-gate /* flag */ 882d840867fSab #define FLG_IF_IGNORE 0x00000080 /* ignore unused dependencies */ 883d840867fSab #define FLG_IF_NODIRECT 0x00000100 /* object contains symbols that */ 884635216b6SRod Evans /* cannot be directly bound to */ 885f441771bSRod Evans #define FLG_IF_LAZYLD 0x00000200 /* dependency should be lazy loaded */ 886f441771bSRod Evans #define FLG_IF_GRPPRM 0x00000400 /* dependency establishes a group */ 887d840867fSab #define FLG_IF_DISPPEND 0x00000800 /* displacement relocation done */ 8887c478bd9Sstevel@tonic-gate /* in the ld time. */ 889d840867fSab #define FLG_IF_DISPDONE 0x00001000 /* displacement relocation done */ 890b6a0e2cdSRichard Lowe /* at the run time */ 891d840867fSab #define FLG_IF_MAPFILE 0x00002000 /* file is a mapfile */ 892d840867fSab #define FLG_IF_HSTRTAB 0x00004000 /* file has a string section */ 893d840867fSab #define FLG_IF_FILEREF 0x00008000 /* file contains a section which */ 8947c478bd9Sstevel@tonic-gate /* is included in the output */ 8957c478bd9Sstevel@tonic-gate /* allocatable image */ 896d840867fSab #define FLG_IF_GNUVER 0x00010000 /* file used GNU-style versioning */ 8970e233487SRod Evans #define FLG_IF_ORDERED 0x00020000 /* ordered section processing */ 8980e233487SRod Evans /* required */ 89908278a5eSRod Evans #define FLG_IF_OTOSCAP 0x00040000 /* convert object capabilities to */ 90008278a5eSRod Evans /* symbol capabilities */ 901f441771bSRod Evans #define FLG_IF_DEFERRED 0x00080000 /* dependency is deferred */ 9021007fd6fSAli Bahrami #define FLG_IF_RTLDINF 0x00100000 /* dependency has DT_SUNW_RTLTINF set */ 903a8c23f9dSRichard Lowe #define FLG_IF_GROUPS 0x00200000 /* input file has groups to process */ 904f441771bSRod Evans 905f441771bSRod Evans /* 906f441771bSRod Evans * Symbol states that require the generation of a DT_POSFLAG_1 .dynamic entry. 907f441771bSRod Evans */ 908f441771bSRod Evans #define MSK_IF_POSFLAG1 (FLG_IF_LAZYLD | FLG_IF_GRPPRM | FLG_IF_DEFERRED) 909f441771bSRod Evans 910f441771bSRod Evans /* 911f441771bSRod Evans * Symbol states that require an associated Syminfo entry. 912f441771bSRod Evans */ 913f441771bSRod Evans #define MSK_IF_SYMINFO (FLG_IF_LAZYLD | FLG_IF_DIRECT | FLG_IF_DEFERRED) 914f441771bSRod Evans 9157c478bd9Sstevel@tonic-gate 9167c478bd9Sstevel@tonic-gate struct is_desc { /* input section descriptor */ 9170e233487SRod Evans const char *is_name; /* original section name */ 918bf994817SAli Bahrami const char *is_sym_name; /* NULL, or name string to use for */ 919bf994817SAli Bahrami /* related STT_SECTION symbols */ 9207c478bd9Sstevel@tonic-gate Shdr *is_shdr; /* the elf section header */ 9217c478bd9Sstevel@tonic-gate Ifl_desc *is_file; /* infile desc for this section */ 9227c478bd9Sstevel@tonic-gate Os_desc *is_osdesc; /* new output section for this */ 9237c478bd9Sstevel@tonic-gate /* input section */ 9247c478bd9Sstevel@tonic-gate Elf_Data *is_indata; /* input sections raw data */ 9257c478bd9Sstevel@tonic-gate Is_desc *is_symshndx; /* related SHT_SYM_SHNDX section */ 9266b3ba5bdSAli Bahrami Is_desc *is_comdatkeep; /* If COMDAT section is discarded, */ 927b6a0e2cdSRichard Lowe /* this is section that was kept */ 9287c478bd9Sstevel@tonic-gate Word is_scnndx; /* original section index in file */ 92908278a5eSRod Evans Word is_ordndx; /* index for section. Used to decide */ 9307c478bd9Sstevel@tonic-gate /* where to insert section when */ 931b6a0e2cdSRichard Lowe /* reordering sections */ 9321dd9d86fSAli Bahrami Word is_keyident; /* key for SHF_{ORDERED|LINK_ORDER} */ 9331dd9d86fSAli Bahrami /* processing and ident used for */ 9341dd9d86fSAli Bahrami /* placing/ordering sections */ 9350e233487SRod Evans Word is_flags; /* Various flags */ 9367c478bd9Sstevel@tonic-gate }; 9377c478bd9Sstevel@tonic-gate 9380e233487SRod Evans #define FLG_IS_ORDERED 0x0001 /* this is a SHF_ORDERED section */ 9390e233487SRod Evans #define FLG_IS_KEY 0x0002 /* section requires sort keys */ 9407c478bd9Sstevel@tonic-gate #define FLG_IS_DISCARD 0x0004 /* section is to be discarded */ 9417c478bd9Sstevel@tonic-gate #define FLG_IS_RELUPD 0x0008 /* symbol defined here may have moved */ 9427c478bd9Sstevel@tonic-gate #define FLG_IS_SECTREF 0x0010 /* section has been referenced */ 9437c478bd9Sstevel@tonic-gate #define FLG_IS_GDATADEF 0x0020 /* section contains global data sym */ 94469112eddSAli Bahrami #define FLG_IS_EXTERNAL 0x0040 /* isp from a user file */ 945cce0e03bSab #define FLG_IS_INSTRMRG 0x0080 /* Usable SHF_MERGE|SHF_STRINGS sec */ 946cce0e03bSab #define FLG_IS_GNSTRMRG 0x0100 /* Generated mergeable string section */ 947a8c23f9dSRichard Lowe 9480e233487SRod Evans #define FLG_IS_PLACE 0x0400 /* section requires to be placed */ 9490e233487SRod Evans #define FLG_IS_COMDAT 0x0800 /* section is COMDAT */ 9507e16fca0SAli Bahrami #define FLG_IS_EHFRAME 0x1000 /* section is .eh_frame */ 9517c478bd9Sstevel@tonic-gate 9521dd9d86fSAli Bahrami /* 9531dd9d86fSAli Bahrami * Output sections contain lists of input sections that are assigned to them. 9541dd9d86fSAli Bahrami * These items fall into 4 categories: 9551dd9d86fSAli Bahrami * BEFORE - Ordered sections that specify SHN_BEFORE, in input order. 9561dd9d86fSAli Bahrami * ORDERED - Ordered sections that are sorted using unsorted sections 9571dd9d86fSAli Bahrami * as the sort key. 9581dd9d86fSAli Bahrami * DEFAULT - Sections that are placed into the output section 9591dd9d86fSAli Bahrami * in input order. 9601dd9d86fSAli Bahrami * AFTER - Ordered sections that specify SHN_AFTER, in input order. 9611dd9d86fSAli Bahrami */ 9621dd9d86fSAli Bahrami #define OS_ISD_BEFORE 0 9631dd9d86fSAli Bahrami #define OS_ISD_ORDERED 1 9641dd9d86fSAli Bahrami #define OS_ISD_DEFAULT 2 9651dd9d86fSAli Bahrami #define OS_ISD_AFTER 3 9661dd9d86fSAli Bahrami #define OS_ISD_NUM 4 9671dd9d86fSAli Bahrami typedef APlist *os_isdecs_arr[OS_ISD_NUM]; 9681dd9d86fSAli Bahrami 9691dd9d86fSAli Bahrami /* 9701dd9d86fSAli Bahrami * Convenience macro for traversing every input section associated 9711dd9d86fSAli Bahrami * with a given output section. The primary benefit of this macro 9721dd9d86fSAli Bahrami * is that it preserves a precious level of code indentation in the 9731dd9d86fSAli Bahrami * code that uses it. 9741dd9d86fSAli Bahrami */ 9751dd9d86fSAli Bahrami #define OS_ISDESCS_TRAVERSE(_list_idx, _osp, _idx, _isp) \ 9761dd9d86fSAli Bahrami for (_list_idx = 0; _list_idx < OS_ISD_NUM; _list_idx++) \ 9771dd9d86fSAli Bahrami for (APLIST_TRAVERSE(_osp->os_isdescs[_list_idx], _idx, _isp)) 9781dd9d86fSAli Bahrami 9791dd9d86fSAli Bahrami 9807c478bd9Sstevel@tonic-gate /* 9817c478bd9Sstevel@tonic-gate * Map file and output file processing structures 9827c478bd9Sstevel@tonic-gate */ 9837c478bd9Sstevel@tonic-gate struct os_desc { /* Output section descriptor */ 9847c478bd9Sstevel@tonic-gate const char *os_name; /* the section name */ 9857c478bd9Sstevel@tonic-gate Elf_Scn *os_scn; /* the elf section descriptor */ 9867c478bd9Sstevel@tonic-gate Shdr *os_shdr; /* the elf section header */ 9877c478bd9Sstevel@tonic-gate Os_desc *os_relosdesc; /* the output relocation section */ 9886b3ba5bdSAli Bahrami APlist *os_relisdescs; /* reloc input section descriptors */ 9897c478bd9Sstevel@tonic-gate /* for this output section */ 9901dd9d86fSAli Bahrami os_isdecs_arr os_isdescs; /* lists of input sections in output */ 991cce0e03bSab APlist *os_mstrisdescs; /* FLG_IS_INSTRMRG input sections */ 9927c478bd9Sstevel@tonic-gate Sg_desc *os_sgdesc; /* segment os_desc is placed on */ 9937c478bd9Sstevel@tonic-gate Elf_Data *os_outdata; /* output sections raw data */ 9946b3ba5bdSAli Bahrami avl_tree_t *os_comdats; /* AVL tree of COMDAT input sections */ 9956b3ba5bdSAli Bahrami /* associated to output section */ 99657ef7aa9SRod Evans Word os_identndx; /* section identifier for input */ 99757ef7aa9SRod Evans /* section processing, followed */ 99857ef7aa9SRod Evans /* by section symbol index */ 99957ef7aa9SRod Evans Word os_ordndx; /* index for section. Used to decide */ 10007c478bd9Sstevel@tonic-gate /* where to insert section when */ 1001b6a0e2cdSRichard Lowe /* reordering sections */ 10027c478bd9Sstevel@tonic-gate Xword os_szoutrels; /* size of output relocation section */ 10037c478bd9Sstevel@tonic-gate uint_t os_namehash; /* hash on section name */ 10047c478bd9Sstevel@tonic-gate uchar_t os_flags; /* various flags */ 1005252adeb3SRichard Lowe APlist *os_mstrsyms; /* symbols affected by string merge */ 1006252adeb3SRichard Lowe APlist *os_mstrrels; /* section relocs affected by... */ 1007252adeb3SRichard Lowe Str_tbl *os_mstrtab; /* merged string table */ 1008*a48fdbefSBryan Cantrill Os_desc *os_hashnext; /* next hashed */ 10097c478bd9Sstevel@tonic-gate }; 10107c478bd9Sstevel@tonic-gate 1011*a48fdbefSBryan Cantrill /* 1012*a48fdbefSBryan Cantrill * Hash of output section descriptors, by namehash. 1013*a48fdbefSBryan Cantrill */ 1014*a48fdbefSBryan Cantrill typedef struct os_desc_hash { 1015*a48fdbefSBryan Cantrill Os_desc **osh_hashtab; /* hash table itself */ 1016*a48fdbefSBryan Cantrill size_t osh_size; /* number of elements in hash table */ 1017*a48fdbefSBryan Cantrill } os_desc_hash_t; 1018*a48fdbefSBryan Cantrill 10190e233487SRod Evans #define FLG_OS_KEY 0x01 /* section requires sort keys */ 10207c478bd9Sstevel@tonic-gate #define FLG_OS_OUTREL 0x02 /* output rel against this section */ 1021dd94ecefSrie #define FLG_OS_SECTREF 0x04 /* isps are not affected by -zignore */ 1022d444b03eSAli Bahrami #define FLG_OS_EHFRAME 0x08 /* section is .eh_frame */ 10237c478bd9Sstevel@tonic-gate 102457ef7aa9SRod Evans /* 102569112eddSAli Bahrami * The sg_id field of the segment descriptor is used to establish the default 102669112eddSAli Bahrami * order for program headers and segments in the output object. Segments are 102769112eddSAli Bahrami * ordered according to the following SGID values that classify them based on 102869112eddSAli Bahrami * their attributes. The initial set of built in segments are in this order, 102969112eddSAli Bahrami * and new mapfile defined segments are inserted into these groups. Within a 103069112eddSAli Bahrami * given SGID group, the position of new segments depends on the syntax 103169112eddSAli Bahrami * version of the mapfile that creates them. Version 1 (original sysv) 103269112eddSAli Bahrami * mapfiles place the new segment at the head of their group (reverse creation 103369112eddSAli Bahrami * order). The newer syntax places them at the end, following the others 103469112eddSAli Bahrami * (creation order). 103569112eddSAli Bahrami * 103669112eddSAli Bahrami * Note that any new segments must always be added after PT_PHDR and 103769112eddSAli Bahrami * PT_INTERP (refer Generic ABI, Page 5-4). 103857ef7aa9SRod Evans */ 103969112eddSAli Bahrami #define SGID_PHDR 0 /* PT_PHDR */ 104069112eddSAli Bahrami #define SGID_INTERP 1 /* PT_INTERP */ 104169112eddSAli Bahrami #define SGID_SUNWCAP 2 /* PT_SUNWCAP */ 104269112eddSAli Bahrami #define SGID_TEXT 3 /* PT_LOAD */ 104369112eddSAli Bahrami #define SGID_DATA 4 /* PT_LOAD */ 104469112eddSAli Bahrami #define SGID_BSS 5 /* PT_LOAD */ 104557ef7aa9SRod Evans #if defined(_ELF64) 104669112eddSAli Bahrami #define SGID_LRODATA 6 /* PT_LOAD (amd64-only) */ 104769112eddSAli Bahrami #define SGID_LDATA 7 /* PT_LOAD (amd64-only) */ 104857ef7aa9SRod Evans #endif 104969112eddSAli Bahrami #define SGID_TEXT_EMPTY 8 /* PT_LOAD, reserved (?E in version 1 syntax) */ 105069112eddSAli Bahrami #define SGID_NULL_EMPTY 9 /* PT_NULL, reserved (?E in version 1 syntax) */ 105169112eddSAli Bahrami #define SGID_DYN 10 /* PT_DYNAMIC */ 105269112eddSAli Bahrami #define SGID_DTRACE 11 /* PT_SUNWDTRACE */ 105369112eddSAli Bahrami #define SGID_TLS 12 /* PT_TLS */ 105469112eddSAli Bahrami #define SGID_UNWIND 13 /* PT_SUNW_UNWIND */ 105569112eddSAli Bahrami #define SGID_SUNWSTACK 14 /* PT_SUNWSTACK */ 105669112eddSAli Bahrami #define SGID_NOTE 15 /* PT_NOTE */ 105769112eddSAli Bahrami #define SGID_NULL 16 /* PT_NULL, mapfile defined empty phdr slots */ 105869112eddSAli Bahrami /* for use by post processors */ 105969112eddSAli Bahrami #define SGID_EXTRA 17 /* PT_NULL (final catchall) */ 106069112eddSAli Bahrami 106169112eddSAli Bahrami typedef Half sg_flags_t; 10627c478bd9Sstevel@tonic-gate struct sg_desc { /* output segment descriptor */ 106369112eddSAli Bahrami Word sg_id; /* segment identifier (for sorting) */ 10647c478bd9Sstevel@tonic-gate Phdr sg_phdr; /* segment header for output file */ 106569112eddSAli Bahrami const char *sg_name; /* segment name for PT_LOAD, PT_NOTE, */ 106669112eddSAli Bahrami /* and PT_NULL, otherwise NULL */ 10677c478bd9Sstevel@tonic-gate Xword sg_round; /* data rounding required (mapfile) */ 10687c478bd9Sstevel@tonic-gate Xword sg_length; /* maximum segment length; if 0 */ 10697c478bd9Sstevel@tonic-gate /* segment is not specified */ 1070cce0e03bSab APlist *sg_osdescs; /* list of output section descriptors */ 107169112eddSAli Bahrami APlist *sg_is_order; /* list of entry criteria */ 107269112eddSAli Bahrami /* giving input section order */ 107369112eddSAli Bahrami Alist *sg_os_order; /* list specifying output section */ 107469112eddSAli Bahrami /* ordering for the segment */ 107569112eddSAli Bahrami sg_flags_t sg_flags; 107669112eddSAli Bahrami APlist *sg_sizesym; /* size symbols for this segment */ 107769112eddSAli Bahrami Xword sg_align; /* LCM of sh_addralign */ 10787c478bd9Sstevel@tonic-gate Elf_Scn *sg_fscn; /* the SCN of the first section. */ 107969112eddSAli Bahrami avl_node_t sg_avlnode; /* AVL book-keeping */ 1080*a48fdbefSBryan Cantrill os_desc_hash_t *sg_hashtab; /* hash table of output descriptors */ 10817c478bd9Sstevel@tonic-gate }; 10827c478bd9Sstevel@tonic-gate 108369112eddSAli Bahrami #define FLG_SG_P_VADDR 0x0001 /* p_vaddr segment attribute set */ 108469112eddSAli Bahrami #define FLG_SG_P_PADDR 0x0002 /* p_paddr segment attribute set */ 108569112eddSAli Bahrami #define FLG_SG_LENGTH 0x0004 /* length segment attribute set */ 108669112eddSAli Bahrami #define FLG_SG_P_ALIGN 0x0008 /* p_align segment attribute set */ 108769112eddSAli Bahrami #define FLG_SG_ROUND 0x0010 /* round segment attribute set */ 108869112eddSAli Bahrami #define FLG_SG_P_FLAGS 0x0020 /* p_flags segment attribute set */ 108969112eddSAli Bahrami #define FLG_SG_P_TYPE 0x0040 /* p_type segment attribute set */ 109069112eddSAli Bahrami #define FLG_SG_IS_ORDER 0x0080 /* input section ordering is required */ 1091b6a0e2cdSRichard Lowe /* for this segment. */ 109269112eddSAli Bahrami #define FLG_SG_NOHDR 0x0100 /* don't map ELF or phdrs into */ 109369112eddSAli Bahrami /* this segment */ 109469112eddSAli Bahrami #define FLG_SG_EMPTY 0x0200 /* an empty segment specification */ 10957c478bd9Sstevel@tonic-gate /* no input sections will be */ 10967c478bd9Sstevel@tonic-gate /* associated to this section */ 109769112eddSAli Bahrami #define FLG_SG_KEY 0x0400 /* segment requires sort keys */ 109869112eddSAli Bahrami #define FLG_SG_NODISABLE 0x0800 /* FLG_SG_DISABLED is not allowed on */ 109969112eddSAli Bahrami /* this segment */ 110069112eddSAli Bahrami #define FLG_SG_DISABLED 0x1000 /* this segment is disabled */ 110169112eddSAli Bahrami #define FLG_SG_PHREQ 0x2000 /* this segment requires a program */ 110254d82594Sseizo /* header */ 110369112eddSAli Bahrami #define FLG_SG_ORDERED 0x4000 /* SEGMENT_ORDER segment */ 11047c478bd9Sstevel@tonic-gate 11057c478bd9Sstevel@tonic-gate struct sec_order { 11067c478bd9Sstevel@tonic-gate const char *sco_secname; /* section name to be ordered */ 11077c478bd9Sstevel@tonic-gate Half sco_flags; 11087c478bd9Sstevel@tonic-gate }; 11097c478bd9Sstevel@tonic-gate 11107c478bd9Sstevel@tonic-gate #define FLG_SGO_USED 0x0001 /* was ordering used? */ 11117c478bd9Sstevel@tonic-gate 111269112eddSAli Bahrami typedef Half ec_flags_t; 11137c478bd9Sstevel@tonic-gate struct ent_desc { /* input section entrance criteria */ 111469112eddSAli Bahrami const char *ec_name; /* entrace criteria name, or NULL */ 111569112eddSAli Bahrami Alist *ec_files; /* files from which to accept */ 11167c478bd9Sstevel@tonic-gate /* sections */ 111769112eddSAli Bahrami const char *ec_is_name; /* input section name to match */ 111869112eddSAli Bahrami /* (NULL if none) */ 11197c478bd9Sstevel@tonic-gate Word ec_type; /* section type */ 112054d82594Sseizo Word ec_attrmask; /* section attribute mask (AWX) */ 112154d82594Sseizo Word ec_attrbits; /* sections attribute bits */ 11227c478bd9Sstevel@tonic-gate Sg_desc *ec_segment; /* output segment to enter if matched */ 112357ef7aa9SRod Evans Word ec_ordndx; /* index to determine where section */ 11247c478bd9Sstevel@tonic-gate /* meeting this criteria should */ 11257c478bd9Sstevel@tonic-gate /* inserted. Used for reordering */ 11267c478bd9Sstevel@tonic-gate /* of sections. */ 112769112eddSAli Bahrami ec_flags_t ec_flags; 112869112eddSAli Bahrami avl_node_t ec_avlnode; /* AVL book-keeping */ 11297c478bd9Sstevel@tonic-gate }; 11307c478bd9Sstevel@tonic-gate 1131e23c41c9SAli Bahrami #define FLG_EC_BUILTIN 0x0001 /* built in descriptor */ 1132e23c41c9SAli Bahrami #define FLG_EC_USED 0x0002 /* entrance criteria met? */ 113369112eddSAli Bahrami #define FLG_EC_CATCHALL 0x0004 /* Catches any section */ 113469112eddSAli Bahrami 113569112eddSAli Bahrami /* 113669112eddSAli Bahrami * Ent_desc_file is the type of element maintained in the ec_files Alist 113769112eddSAli Bahrami * of an entrance criteria descriptor. Each item maintains one file 113869112eddSAli Bahrami * path, and a set of flags that specify the type of comparison it implies, 113969112eddSAli Bahrami * and other information about it. The comparison type is maintained in 114069112eddSAli Bahrami * the bottom byte of the flags. 114169112eddSAli Bahrami */ 114269112eddSAli Bahrami #define TYP_ECF_MASK 0x00ff /* Comparison type mask */ 114369112eddSAli Bahrami #define TYP_ECF_PATH 0 /* Compare to file path */ 114469112eddSAli Bahrami #define TYP_ECF_BASENAME 1 /* Compare to file basename */ 114569112eddSAli Bahrami #define TYP_ECF_OBJNAME 2 /* Compare to regular file basename, */ 114669112eddSAli Bahrami /* or to archive member name */ 114769112eddSAli Bahrami #define TYP_ECF_NUM 3 114869112eddSAli Bahrami 114969112eddSAli Bahrami #define FLG_ECF_ARMEMBER 0x0100 /* name includes archive member */ 115069112eddSAli Bahrami 115169112eddSAli Bahrami typedef struct { 115269112eddSAli Bahrami Word edf_flags; /* Type of comparison */ 115369112eddSAli Bahrami const char *edf_name; /* String to compare to */ 115469112eddSAli Bahrami size_t edf_name_len; /* strlen(edf_name) */ 115569112eddSAli Bahrami } Ent_desc_file; 11567c478bd9Sstevel@tonic-gate 11577c478bd9Sstevel@tonic-gate /* 115857ef7aa9SRod Evans * One structure is allocated for a move entry, and associated to the symbol 115957ef7aa9SRod Evans * against which a move is targeted. 11607c478bd9Sstevel@tonic-gate */ 116157ef7aa9SRod Evans typedef struct { 116257ef7aa9SRod Evans Move *md_move; /* original Move entry */ 116357ef7aa9SRod Evans Xword md_start; /* start position */ 116457ef7aa9SRod Evans Xword md_len; /* length of initialization */ 1165b6a0e2cdSRichard Lowe Word md_oidx; /* output Move entry index */ 116657ef7aa9SRod Evans } Mv_desc; 11677c478bd9Sstevel@tonic-gate 11688222814eSRichard Lowe #define SYM_ASSERT_SIZE 0x01 11698222814eSRichard Lowe #define SYM_ASSERT_BIND 0x02 11708222814eSRichard Lowe #define SYM_ASSERT_TYPE 0x04 11718222814eSRichard Lowe #define SYM_ASSERT_BITS 0x08 11728222814eSRichard Lowe #define SYM_ASSERT_ALIAS 0x10 11738222814eSRichard Lowe 11748222814eSRichard Lowe typedef struct { 11758222814eSRichard Lowe Sym_desc *ass_sdp; 11768222814eSRichard Lowe char *ass_file; 11778222814eSRichard Lowe Lineno ass_lineno; 11788222814eSRichard Lowe uchar_t ass_type; 11798222814eSRichard Lowe uchar_t ass_bind; 11808222814eSRichard Lowe Lword ass_size; 11818222814eSRichard Lowe Boolean ass_bits; 11828222814eSRichard Lowe const char *ass_alias; 11838222814eSRichard Lowe /* Assertions explicitly enabled by user */ 11848222814eSRichard Lowe uint_t ass_enabled; 11858222814eSRichard Lowe } Ass_desc; 11868222814eSRichard Lowe 11877c478bd9Sstevel@tonic-gate /* 118857ef7aa9SRod Evans * Symbol descriptor. 11897c478bd9Sstevel@tonic-gate */ 1190635216b6SRod Evans typedef Lword sd_flag_t; 11917c478bd9Sstevel@tonic-gate struct sym_desc { 119257ef7aa9SRod Evans Alist *sd_GOTndxs; /* list of associated GOT entries */ 11937c478bd9Sstevel@tonic-gate Sym *sd_sym; /* pointer to symbol table entry */ 11947c478bd9Sstevel@tonic-gate Sym *sd_osym; /* copy of the original symbol entry */ 1195d326b23bSrie /* used only for local partial */ 119657ef7aa9SRod Evans Alist *sd_move; /* move information associated with a */ 119757ef7aa9SRod Evans /* partially initialized symbol */ 11987c478bd9Sstevel@tonic-gate const char *sd_name; /* symbols name */ 11997c478bd9Sstevel@tonic-gate Ifl_desc *sd_file; /* file where symbol is taken */ 12007c478bd9Sstevel@tonic-gate Is_desc *sd_isc; /* input section of symbol definition */ 12017c478bd9Sstevel@tonic-gate Sym_aux *sd_aux; /* auxiliary global symbol info. */ 12027c478bd9Sstevel@tonic-gate Word sd_symndx; /* index in output symbol table */ 12037c478bd9Sstevel@tonic-gate Word sd_shndx; /* sect. index sym is associated w/ */ 1204635216b6SRod Evans sd_flag_t sd_flags; /* state flags */ 12057c478bd9Sstevel@tonic-gate Half sd_ref; /* reference definition of symbol */ 12068222814eSRichard Lowe Ass_desc *sd_ass; /* pointer back to symbol assertions */ 12077c478bd9Sstevel@tonic-gate }; 12087c478bd9Sstevel@tonic-gate 12097c478bd9Sstevel@tonic-gate /* 12107c478bd9Sstevel@tonic-gate * The auxiliary symbol descriptor contains the additional information (beyond 12117c478bd9Sstevel@tonic-gate * the symbol descriptor) required to process global symbols. These symbols are 12127c478bd9Sstevel@tonic-gate * accessed via an internal symbol hash table where locality of reference is 12137c478bd9Sstevel@tonic-gate * important for performance. 12147c478bd9Sstevel@tonic-gate */ 12157c478bd9Sstevel@tonic-gate struct sym_aux { 1216b6a0e2cdSRichard Lowe APlist *sa_dfiles; /* files where symbol is defined */ 12177c478bd9Sstevel@tonic-gate Sym sa_sym; /* copy of symtab entry */ 12187c478bd9Sstevel@tonic-gate const char *sa_vfile; /* first unavailable definition */ 12197c478bd9Sstevel@tonic-gate const char *sa_rfile; /* file with first symbol referenced */ 12207c478bd9Sstevel@tonic-gate Word sa_hash; /* the pure hash value of symbol */ 12217c478bd9Sstevel@tonic-gate Word sa_PLTndx; /* index into PLT for symbol */ 12227c478bd9Sstevel@tonic-gate Word sa_PLTGOTndx; /* GOT entry indx for PLT indirection */ 1223d579eb63Sab Word sa_linkndx; /* index of associated symbol from */ 1224d579eb63Sab /* ET_DYN file */ 12257c478bd9Sstevel@tonic-gate Half sa_symspec; /* special symbol ids */ 12267c478bd9Sstevel@tonic-gate Half sa_overndx; /* output file versioning index */ 12277c478bd9Sstevel@tonic-gate Half sa_dverndx; /* dependency versioning index */ 1228b6a0e2cdSRichard Lowe Os_desc *sa_boundsec; /* output section of SECBOUND_ syms */ 12297c478bd9Sstevel@tonic-gate }; 12307c478bd9Sstevel@tonic-gate 12317c478bd9Sstevel@tonic-gate /* 12327c478bd9Sstevel@tonic-gate * Nodes used to track symbols in the global AVL symbol dictionary. 12337c478bd9Sstevel@tonic-gate */ 12347c478bd9Sstevel@tonic-gate struct sym_avlnode { 12357c478bd9Sstevel@tonic-gate avl_node_t sav_node; /* AVL node */ 12367c478bd9Sstevel@tonic-gate Word sav_hash; /* symbol hash value */ 12377c478bd9Sstevel@tonic-gate const char *sav_name; /* symbol name */ 1238635216b6SRod Evans Sym_desc *sav_sdp; /* symbol descriptor */ 12397c478bd9Sstevel@tonic-gate }; 12407c478bd9Sstevel@tonic-gate 12417c478bd9Sstevel@tonic-gate /* 12427c478bd9Sstevel@tonic-gate * These are the ids for processing of `Special symbols'. They are used 12437c478bd9Sstevel@tonic-gate * to set the sym->sd_aux->sa_symspec field. 12447c478bd9Sstevel@tonic-gate */ 1245b6a0e2cdSRichard Lowe #define SDAUX_ID_ETEXT 1 /* etext && _etext symbol */ 1246b6a0e2cdSRichard Lowe #define SDAUX_ID_EDATA 2 /* edata && _edata symbol */ 1247b6a0e2cdSRichard Lowe #define SDAUX_ID_END 3 /* end, _end, && _END_ symbol */ 1248b6a0e2cdSRichard Lowe #define SDAUX_ID_DYN 4 /* DYNAMIC && _DYNAMIC symbol */ 1249b6a0e2cdSRichard Lowe #define SDAUX_ID_PLT 5 /* _PROCEDURE_LINKAGE_TABLE_ symbol */ 1250b6a0e2cdSRichard Lowe #define SDAUX_ID_GOT 6 /* _GLOBAL_OFFSET_TABLE_ symbol */ 1251b6a0e2cdSRichard Lowe #define SDAUX_ID_START 7 /* START_ && _START_ symbol */ 1252b6a0e2cdSRichard Lowe #define SDAUX_ID_SECBOUND_START 8 /* __start_<section> symbols */ 1253b6a0e2cdSRichard Lowe #define SDAUX_ID_SECBOUND_STOP 9 /* __stop_<section> symbols */ 12547c478bd9Sstevel@tonic-gate 12557c478bd9Sstevel@tonic-gate /* 12567c478bd9Sstevel@tonic-gate * Flags for sym_desc.sd_flags 12577c478bd9Sstevel@tonic-gate */ 12587c478bd9Sstevel@tonic-gate #define FLG_SY_MVTOCOMM 0x00000001 /* assign symbol to common (.bss) */ 12597c478bd9Sstevel@tonic-gate /* this is a result of a */ 12607c478bd9Sstevel@tonic-gate /* copy reloc against sym */ 12617c478bd9Sstevel@tonic-gate #define FLG_SY_GLOBREF 0x00000002 /* a global reference has been seen */ 12627c478bd9Sstevel@tonic-gate #define FLG_SY_WEAKDEF 0x00000004 /* a weak definition has been used */ 12637c478bd9Sstevel@tonic-gate #define FLG_SY_CLEAN 0x00000008 /* `Sym' entry points to original */ 12647c478bd9Sstevel@tonic-gate /* input file (read-only). */ 12657c478bd9Sstevel@tonic-gate #define FLG_SY_UPREQD 0x00000010 /* symbol value update is required, */ 12667c478bd9Sstevel@tonic-gate /* either it's used as an entry */ 12677c478bd9Sstevel@tonic-gate /* point or for relocation, but */ 12687c478bd9Sstevel@tonic-gate /* it must be updated even if */ 12697c478bd9Sstevel@tonic-gate /* the -s flag is in effect */ 12707c478bd9Sstevel@tonic-gate #define FLG_SY_NOTAVAIL 0x00000020 /* symbol is not available to the */ 12717c478bd9Sstevel@tonic-gate /* application either because it */ 12727c478bd9Sstevel@tonic-gate /* originates from an implicitly */ 1273b6a0e2cdSRichard Lowe /* referenced shared object, or */ 12747c478bd9Sstevel@tonic-gate /* because it is not part of a */ 12757c478bd9Sstevel@tonic-gate /* specified version. */ 12767c478bd9Sstevel@tonic-gate #define FLG_SY_REDUCED 0x00000040 /* a global is reduced to local */ 12777c478bd9Sstevel@tonic-gate #define FLG_SY_VERSPROM 0x00000080 /* version definition has been */ 12787c478bd9Sstevel@tonic-gate /* promoted to output file */ 12797c478bd9Sstevel@tonic-gate #define FLG_SY_PROT 0x00000100 /* stv_protected visibility seen */ 12807c478bd9Sstevel@tonic-gate #define FLG_SY_MAPREF 0x00000200 /* symbol reference generated by user */ 12817c478bd9Sstevel@tonic-gate /* from mapfile */ 12827c478bd9Sstevel@tonic-gate #define FLG_SY_REFRSD 0x00000400 /* symbols sd_ref has been raised */ 1283b6a0e2cdSRichard Lowe /* due to a copy-relocs */ 12847c478bd9Sstevel@tonic-gate /* weak-strong pairing */ 12859a411307Srie #define FLG_SY_INTPOSE 0x00000800 /* symbol defines an interposer */ 12867c478bd9Sstevel@tonic-gate #define FLG_SY_INVALID 0x00001000 /* unwanted/erroneous symbol */ 12877c478bd9Sstevel@tonic-gate #define FLG_SY_SMGOT 0x00002000 /* small got index assigned to symbol */ 12887c478bd9Sstevel@tonic-gate /* sparc only */ 12897c478bd9Sstevel@tonic-gate #define FLG_SY_PARENT 0x00004000 /* symbol to be found in parent */ 12907c478bd9Sstevel@tonic-gate /* only used with direct bindings */ 12917c478bd9Sstevel@tonic-gate #define FLG_SY_LAZYLD 0x00008000 /* symbol to cause lazyloading of */ 12927c478bd9Sstevel@tonic-gate /* parent object */ 12937c478bd9Sstevel@tonic-gate #define FLG_SY_ISDISC 0x00010000 /* symbol is a member of a DISCARDED */ 12947c478bd9Sstevel@tonic-gate /* section (COMDAT) */ 12957c478bd9Sstevel@tonic-gate #define FLG_SY_PAREXPN 0x00020000 /* partially init. symbol to be */ 12967c478bd9Sstevel@tonic-gate /* expanded */ 12977c478bd9Sstevel@tonic-gate #define FLG_SY_PLTPAD 0x00040000 /* pltpadding has been allocated for */ 12987c478bd9Sstevel@tonic-gate /* this symbol */ 12997c478bd9Sstevel@tonic-gate #define FLG_SY_REGSYM 0x00080000 /* REGISTER symbol (sparc only) */ 13007c478bd9Sstevel@tonic-gate #define FLG_SY_SOFOUND 0x00100000 /* compared against an SO definition */ 13017c478bd9Sstevel@tonic-gate #define FLG_SY_EXTERN 0x00200000 /* symbol is external, allows -zdefs */ 13027c478bd9Sstevel@tonic-gate /* error suppression */ 13037c478bd9Sstevel@tonic-gate #define FLG_SY_MAPUSED 0x00400000 /* mapfile symbol used (occurred */ 13047c478bd9Sstevel@tonic-gate /* within a relocatable object) */ 13057c478bd9Sstevel@tonic-gate #define FLG_SY_COMMEXP 0x00800000 /* COMMON symbol which has been */ 13067c478bd9Sstevel@tonic-gate /* allocated */ 13077c478bd9Sstevel@tonic-gate #define FLG_SY_CMDREF 0x01000000 /* symbol was referenced from the */ 13087c478bd9Sstevel@tonic-gate /* command line. (ld -u <>, */ 13097c478bd9Sstevel@tonic-gate /* ld -zrtldinfo=<>, ...) */ 13107c478bd9Sstevel@tonic-gate #define FLG_SY_SPECSEC 0x02000000 /* section index is reserved value */ 13117c478bd9Sstevel@tonic-gate /* ABS, COMMON, ... */ 13127c478bd9Sstevel@tonic-gate #define FLG_SY_TENTSYM 0x04000000 /* tentative symbol */ 13137c478bd9Sstevel@tonic-gate #define FLG_SY_VISIBLE 0x08000000 /* symbols visibility determined */ 13147c478bd9Sstevel@tonic-gate #define FLG_SY_STDFLTR 0x10000000 /* symbol is a standard filter */ 13157c478bd9Sstevel@tonic-gate #define FLG_SY_AUXFLTR 0x20000000 /* symbol is an auxiliary filter */ 1316d579eb63Sab #define FLG_SY_DYNSORT 0x40000000 /* req. in dyn[sym|tls]sort section */ 1317d579eb63Sab #define FLG_SY_NODYNSORT 0x80000000 /* excluded from dyn[sym_tls]sort sec */ 13187c478bd9Sstevel@tonic-gate 1319635216b6SRod Evans #define FLG_SY_DEFAULT 0x0000100000000 /* global symbol, default */ 1320635216b6SRod Evans #define FLG_SY_SINGLE 0x0000200000000 /* global symbol, singleton defined */ 1321635216b6SRod Evans #define FLG_SY_PROTECT 0x0000400000000 /* global symbol, protected defined */ 1322635216b6SRod Evans #define FLG_SY_EXPORT 0x0000800000000 /* global symbol, exported defined */ 132360758829Srie 1324635216b6SRod Evans #define MSK_SY_GLOBAL \ 1325635216b6SRod Evans (FLG_SY_DEFAULT | FLG_SY_SINGLE | FLG_SY_PROTECT | FLG_SY_EXPORT) 132660758829Srie /* this mask indicates that the */ 132760758829Srie /* symbol has been explicitly */ 132860758829Srie /* defined within a mapfile */ 132960758829Srie /* definition, and is a candidate */ 133060758829Srie /* for versioning */ 133160758829Srie 1332635216b6SRod Evans #define FLG_SY_HIDDEN 0x0001000000000 /* global symbol, reduce to local */ 1333635216b6SRod Evans #define FLG_SY_ELIM 0x0002000000000 /* global symbol, eliminate */ 1334635216b6SRod Evans #define FLG_SY_IGNORE 0x0004000000000 /* global symbol, ignored */ 13357c478bd9Sstevel@tonic-gate 1336635216b6SRod Evans #define MSK_SY_LOCAL (FLG_SY_HIDDEN | FLG_SY_ELIM | FLG_SY_IGNORE) 133760758829Srie /* this mask allows all local state */ 133860758829Srie /* flags to be removed when the */ 133960758829Srie /* symbol is copy relocated */ 134060758829Srie 1341635216b6SRod Evans #define FLG_SY_EXPDEF 0x0008000000000 /* symbol visibility defined */ 134260758829Srie /* explicitly */ 134360758829Srie 1344635216b6SRod Evans #define MSK_SY_NOAUTO (FLG_SY_SINGLE | FLG_SY_EXPORT | FLG_SY_EXPDEF) 134560758829Srie /* this mask indicates that the */ 1346635216b6SRod Evans /* symbol is not a candidate for */ 134760758829Srie /* auto-reduction/elimination */ 134860758829Srie 1349635216b6SRod Evans #define FLG_SY_MAPFILE 0x0010000000000 /* symbol attribute defined in a */ 135060758829Srie /* mapfile */ 1351635216b6SRod Evans #define FLG_SY_DIR 0x0020000000000 /* global symbol, direct bindings */ 1352635216b6SRod Evans #define FLG_SY_NDIR 0x0040000000000 /* global symbol, nondirect bindings */ 1353635216b6SRod Evans #define FLG_SY_OVERLAP 0x0080000000000 /* move entry overlap detected */ 135408278a5eSRod Evans #define FLG_SY_CAP 0x0100000000000 /* symbol is associated with */ 135508278a5eSRod Evans /* capabilities */ 1356f441771bSRod Evans #define FLG_SY_DEFERRED 0x0200000000000 /* symbol should not be bound to */ 1357f441771bSRod Evans /* during BIND_NOW relocations */ 135808278a5eSRod Evans 13598222814eSRichard Lowe #define FLG_SY_MAPASSRT 0x0400000000000 /* Symbol has attribute assertions */ 13608222814eSRichard Lowe 136108278a5eSRod Evans /* 136208278a5eSRod Evans * A symbol can only be truly hidden if it is not a capabilities symbol. 136308278a5eSRod Evans */ 136408278a5eSRod Evans #define SYM_IS_HIDDEN(_sdp) \ 136508278a5eSRod Evans (((_sdp)->sd_flags & (FLG_SY_HIDDEN | FLG_SY_CAP)) == FLG_SY_HIDDEN) 13667c478bd9Sstevel@tonic-gate 13677c478bd9Sstevel@tonic-gate /* 136860758829Srie * Create a mask for (sym.st_other & visibility) since the gABI does not yet 136960758829Srie * define a ELF*_ST_OTHER macro. 13707c478bd9Sstevel@tonic-gate */ 137160758829Srie #define MSK_SYM_VISIBILITY 0x7 13727c478bd9Sstevel@tonic-gate 13737c478bd9Sstevel@tonic-gate /* 13747c478bd9Sstevel@tonic-gate * Structure to manage the shared object definition lists. There are two lists 13757c478bd9Sstevel@tonic-gate * that use this structure: 13767c478bd9Sstevel@tonic-gate * 137728bda19cSRod Evans * - ofl_soneed; maintain the list of implicitly required dependencies 13787c478bd9Sstevel@tonic-gate * (ie. shared objects needed by other shared objects). These definitions 13797c478bd9Sstevel@tonic-gate * may include RPATH's required to locate the dependencies, and any 13807c478bd9Sstevel@tonic-gate * version requirements. 13817c478bd9Sstevel@tonic-gate * 138228bda19cSRod Evans * - ofl_socntl; maintains the shared object control definitions. These are 13837c478bd9Sstevel@tonic-gate * provided by the user (via a mapfile) and are used to indicate any 138428bda19cSRod Evans * version control requirements. 13857c478bd9Sstevel@tonic-gate */ 13867c478bd9Sstevel@tonic-gate struct sdf_desc { 13877c478bd9Sstevel@tonic-gate const char *sdf_name; /* the shared objects file name */ 13887c478bd9Sstevel@tonic-gate char *sdf_rpath; /* library search path DT_RPATH */ 13897c478bd9Sstevel@tonic-gate const char *sdf_rfile; /* referencing file for diagnostics */ 13907c478bd9Sstevel@tonic-gate Ifl_desc *sdf_file; /* the final input file descriptor */ 139157ef7aa9SRod Evans Alist *sdf_vers; /* list of versions that are required */ 13927c478bd9Sstevel@tonic-gate /* from this object */ 139357ef7aa9SRod Evans Alist *sdf_verneed; /* list of VERNEEDS to create for */ 13944a8d0ea7SAli Bahrami /* object via mapfile ADDVERS */ 13957c478bd9Sstevel@tonic-gate Word sdf_flags; 13967c478bd9Sstevel@tonic-gate }; 13977c478bd9Sstevel@tonic-gate 13984a8d0ea7SAli Bahrami #define FLG_SDF_SELECT 0x01 /* version control selection required */ 13994a8d0ea7SAli Bahrami #define FLG_SDF_VERIFY 0x02 /* version definition verification */ 14007c478bd9Sstevel@tonic-gate /* required */ 14014a8d0ea7SAli Bahrami #define FLG_SDF_ADDVER 0x04 /* add VERNEED references */ 14027c478bd9Sstevel@tonic-gate 14037c478bd9Sstevel@tonic-gate /* 14047c478bd9Sstevel@tonic-gate * Structure to manage shared object version usage requirements. 14057c478bd9Sstevel@tonic-gate */ 14067c478bd9Sstevel@tonic-gate struct sdv_desc { 14077c478bd9Sstevel@tonic-gate const char *sdv_name; /* version name */ 14087c478bd9Sstevel@tonic-gate const char *sdv_ref; /* versions reference */ 14097c478bd9Sstevel@tonic-gate Word sdv_flags; /* flags */ 14107c478bd9Sstevel@tonic-gate }; 14117c478bd9Sstevel@tonic-gate 14127c478bd9Sstevel@tonic-gate #define FLG_SDV_MATCHED 0x01 /* VERDEF found and matched */ 14137c478bd9Sstevel@tonic-gate 14147c478bd9Sstevel@tonic-gate /* 14157c478bd9Sstevel@tonic-gate * Structures to manage versioning information. Two versioning structures are 14167c478bd9Sstevel@tonic-gate * defined: 14177c478bd9Sstevel@tonic-gate * 141828bda19cSRod Evans * - a version descriptor maintains a linked list of versions and their 14197c478bd9Sstevel@tonic-gate * associated dependencies. This is used to build the version definitions 14207c478bd9Sstevel@tonic-gate * for an image being created (see map_symbol), and to determine the 14217c478bd9Sstevel@tonic-gate * version dependency graph for any input files that are versioned. 14227c478bd9Sstevel@tonic-gate * 142328bda19cSRod Evans * - a version index array contains each version of an input file that is 14247c478bd9Sstevel@tonic-gate * being processed. It informs us which versions are available for 14257c478bd9Sstevel@tonic-gate * binding, and is used to generate any version dependency information. 14267c478bd9Sstevel@tonic-gate */ 14277c478bd9Sstevel@tonic-gate struct ver_desc { 14287c478bd9Sstevel@tonic-gate const char *vd_name; /* version name */ 14297c478bd9Sstevel@tonic-gate Ifl_desc *vd_file; /* file that defined version */ 143057ef7aa9SRod Evans Word vd_hash; /* hash value of name */ 14317c478bd9Sstevel@tonic-gate Half vd_ndx; /* coordinates with symbol index */ 14327c478bd9Sstevel@tonic-gate Half vd_flags; /* version information */ 143357ef7aa9SRod Evans APlist *vd_deps; /* version dependencies */ 14347c478bd9Sstevel@tonic-gate Ver_desc *vd_ref; /* dependency's first reference */ 14357c478bd9Sstevel@tonic-gate }; 14367c478bd9Sstevel@tonic-gate 14377c478bd9Sstevel@tonic-gate struct ver_index { 14387c478bd9Sstevel@tonic-gate const char *vi_name; /* dependency version name */ 14397c478bd9Sstevel@tonic-gate Half vi_flags; /* communicates availability */ 144008278a5eSRod Evans Half vi_overndx; /* index assigned to this version in */ 1441090a8d9eSAli Bahrami /* output object Verneed section */ 14427c478bd9Sstevel@tonic-gate Ver_desc *vi_desc; /* cross reference to descriptor */ 14437c478bd9Sstevel@tonic-gate }; 14447c478bd9Sstevel@tonic-gate 14457c478bd9Sstevel@tonic-gate /* 14467c478bd9Sstevel@tonic-gate * Define any internal version descriptor flags ([vd|vi]_flags). Note that the 14477c478bd9Sstevel@tonic-gate * first byte is reserved for user visible flags (refer VER_FLG's in link.h). 14487c478bd9Sstevel@tonic-gate */ 14497c478bd9Sstevel@tonic-gate #define MSK_VER_USER 0x0f /* mask for user visible flags */ 14507c478bd9Sstevel@tonic-gate 14517c478bd9Sstevel@tonic-gate #define FLG_VER_AVAIL 0x10 /* version is available for binding */ 14527c478bd9Sstevel@tonic-gate #define FLG_VER_REFER 0x20 /* version has been referenced */ 14534a8d0ea7SAli Bahrami #define FLG_VER_CYCLIC 0x40 /* a member of cyclic dependency */ 14547c478bd9Sstevel@tonic-gate 14557c478bd9Sstevel@tonic-gate /* 14567c478bd9Sstevel@tonic-gate * isalist(1) descriptor - used to break an isalist string into its component 14577c478bd9Sstevel@tonic-gate * options. 14587c478bd9Sstevel@tonic-gate */ 14597c478bd9Sstevel@tonic-gate struct isa_opt { 14607c478bd9Sstevel@tonic-gate char *isa_name; /* individual isa option name */ 14617c478bd9Sstevel@tonic-gate size_t isa_namesz; /* and associated size */ 14627c478bd9Sstevel@tonic-gate }; 14637c478bd9Sstevel@tonic-gate 14647c478bd9Sstevel@tonic-gate struct isa_desc { 14657c478bd9Sstevel@tonic-gate char *isa_list; /* sysinfo(SI_ISALIST) list */ 14667c478bd9Sstevel@tonic-gate size_t isa_listsz; /* and associated size */ 14677c478bd9Sstevel@tonic-gate Isa_opt *isa_opt; /* table of individual isa options */ 14687c478bd9Sstevel@tonic-gate size_t isa_optno; /* and associated number */ 14697c478bd9Sstevel@tonic-gate }; 14707c478bd9Sstevel@tonic-gate 14717c478bd9Sstevel@tonic-gate /* 14727c478bd9Sstevel@tonic-gate * uname(2) descriptor - used to break a utsname structure into its component 14737c478bd9Sstevel@tonic-gate * options (at least those that we're interested in). 14747c478bd9Sstevel@tonic-gate */ 14757c478bd9Sstevel@tonic-gate struct uts_desc { 14767c478bd9Sstevel@tonic-gate char *uts_osname; /* operating system name */ 14777c478bd9Sstevel@tonic-gate size_t uts_osnamesz; /* and associated size */ 14787c478bd9Sstevel@tonic-gate char *uts_osrel; /* operating system release */ 14797c478bd9Sstevel@tonic-gate size_t uts_osrelsz; /* and associated size */ 14807c478bd9Sstevel@tonic-gate }; 14817c478bd9Sstevel@tonic-gate 14827c478bd9Sstevel@tonic-gate /* 14837c478bd9Sstevel@tonic-gate * SHT_GROUP descriptor - used to track group sections at the global 14840e233487SRod Evans * level to resolve conflicts and determine which to keep. 14857c478bd9Sstevel@tonic-gate */ 14867c478bd9Sstevel@tonic-gate struct group_desc { 14870e233487SRod Evans Is_desc *gd_isc; /* input section descriptor */ 14880e233487SRod Evans Is_desc *gd_oisc; /* overriding input section */ 14890e233487SRod Evans /* descriptor when discarded */ 14900e233487SRod Evans const char *gd_name; /* group name (signature symbol) */ 1491cc7efc4fSrie Word *gd_data; /* data for group section */ 1492cc7efc4fSrie size_t gd_cnt; /* number of entries in group data */ 14937c478bd9Sstevel@tonic-gate }; 14947c478bd9Sstevel@tonic-gate 14957c478bd9Sstevel@tonic-gate /* 14967c478bd9Sstevel@tonic-gate * Indexes into the ld_support_funcs[] table. 14977c478bd9Sstevel@tonic-gate */ 14987c478bd9Sstevel@tonic-gate typedef enum { 1499d2d5cf7cSAli Bahrami LDS_VERSION = 0, /* Must be first and have value 0 */ 15007c478bd9Sstevel@tonic-gate LDS_INPUT_DONE, 15017c478bd9Sstevel@tonic-gate LDS_START, 15027c478bd9Sstevel@tonic-gate LDS_ATEXIT, 15033906e0c2Srie LDS_OPEN, 15047c478bd9Sstevel@tonic-gate LDS_FILE, 15052926dd2eSrie LDS_INSEC, 15062926dd2eSrie LDS_SEC, 15077c478bd9Sstevel@tonic-gate LDS_NUM 15087c478bd9Sstevel@tonic-gate } Support_ndx; 15097c478bd9Sstevel@tonic-gate 15107c478bd9Sstevel@tonic-gate /* 15117c478bd9Sstevel@tonic-gate * Structure to manage archive member caching. Each archive has an archive 15127c478bd9Sstevel@tonic-gate * descriptor (Ar_desc) associated with it. This contains pointers to the 1513bbf21555SRichard Lowe * archive symbol table (obtained by elf_getarsyms(3ELF)) and an auxiliary 15147c478bd9Sstevel@tonic-gate * structure (Ar_uax[]) that parallels this symbol table. The member element 15157c478bd9Sstevel@tonic-gate * of this auxiliary table indicates whether the archive member associated with 15167c478bd9Sstevel@tonic-gate * the symbol offset has already been extracted (AREXTRACTED) or partially 15177c478bd9Sstevel@tonic-gate * processed (refer process_member()). 15187c478bd9Sstevel@tonic-gate */ 15197c478bd9Sstevel@tonic-gate typedef struct ar_mem { 15207c478bd9Sstevel@tonic-gate Elf *am_elf; /* elf descriptor for this member */ 1521dc0f59e5SAli Bahrami const char *am_name; /* members name */ 1522dc0f59e5SAli Bahrami const char *am_path; /* path (ie. lib(foo.o)) */ 15237c478bd9Sstevel@tonic-gate Sym *am_syms; /* start of global symbols */ 15247c478bd9Sstevel@tonic-gate char *am_strs; /* associated string table start */ 15257c478bd9Sstevel@tonic-gate Xword am_symn; /* no. of global symbols */ 15267c478bd9Sstevel@tonic-gate } Ar_mem; 15277c478bd9Sstevel@tonic-gate 15287c478bd9Sstevel@tonic-gate typedef struct ar_aux { 15297c478bd9Sstevel@tonic-gate Sym_desc *au_syms; /* internal symbol descriptor */ 15307c478bd9Sstevel@tonic-gate Ar_mem *au_mem; /* associated member */ 15317c478bd9Sstevel@tonic-gate } Ar_aux; 15327c478bd9Sstevel@tonic-gate 15337c478bd9Sstevel@tonic-gate #define FLG_ARMEM_PROC (Ar_mem *)-1 15347c478bd9Sstevel@tonic-gate 15357c478bd9Sstevel@tonic-gate typedef struct ar_desc { 15367c478bd9Sstevel@tonic-gate const char *ad_name; /* archive file name */ 15377c478bd9Sstevel@tonic-gate Elf *ad_elf; /* elf descriptor for the archive */ 15387c478bd9Sstevel@tonic-gate Elf_Arsym *ad_start; /* archive symbol table start */ 15397c478bd9Sstevel@tonic-gate Ar_aux *ad_aux; /* auxiliary symbol information */ 15407c478bd9Sstevel@tonic-gate dev_t ad_stdev; /* device id and inode number for */ 15417c478bd9Sstevel@tonic-gate ino_t ad_stino; /* multiple inclusion checks */ 15421d9df23bSab ofl_flag_t ad_flags; /* archive specific cmd line flags */ 1543b3403853SRichard Lowe Boolean ad_allextract; /* archive has been allextract'ed */ 15447c478bd9Sstevel@tonic-gate } Ar_desc; 15457c478bd9Sstevel@tonic-gate 15467c478bd9Sstevel@tonic-gate /* 15477c478bd9Sstevel@tonic-gate * Define any archive descriptor flags. NOTE, make sure they do not clash with 15487c478bd9Sstevel@tonic-gate * any output file descriptor archive extraction flags, as these are saved in 15497c478bd9Sstevel@tonic-gate * the same entry (see MSK_OF1_ARCHIVE). 15507c478bd9Sstevel@tonic-gate */ 15517c478bd9Sstevel@tonic-gate #define FLG_ARD_EXTRACT 0x00010000 /* archive member has been extracted */ 15527c478bd9Sstevel@tonic-gate 155369112eddSAli Bahrami /* Mapfile versions supported by libld */ 155469112eddSAli Bahrami #define MFV_NONE 0 /* Not a valid version */ 155569112eddSAli Bahrami #define MFV_SYSV 1 /* Original System V syntax */ 155669112eddSAli Bahrami #define MFV_SOLARIS 2 /* Solaris mapfile syntax */ 155769112eddSAli Bahrami #define MFV_NUM 3 /* # of mapfile versions */ 155869112eddSAli Bahrami 155969112eddSAli Bahrami 15607c478bd9Sstevel@tonic-gate /* 15615aefb655Srie * Function Declarations. 15627c478bd9Sstevel@tonic-gate */ 15635aefb655Srie #if defined(_ELF64) 15645aefb655Srie 15655aefb655Srie #define ld_create_outfile ld64_create_outfile 15665aefb655Srie #define ld_ent_setup ld64_ent_setup 1567c1c6f601Srie #define ld_init_strings ld64_init_strings 1568ba2be530Sab #define ld_init_target ld64_init_target 15695aefb655Srie #define ld_make_sections ld64_make_sections 15705aefb655Srie #define ld_main ld64_main 15712926dd2eSrie #define ld_ofl_cleanup ld64_ofl_cleanup 157256deab07SRod Evans #define ld_process_mem ld64_process_mem 15735aefb655Srie #define ld_reloc_init ld64_reloc_init 15745aefb655Srie #define ld_reloc_process ld64_reloc_process 15755aefb655Srie #define ld_sym_validate ld64_sym_validate 15765aefb655Srie #define ld_update_outfile ld64_update_outfile 15775aefb655Srie 15785aefb655Srie #else 15795aefb655Srie 15805aefb655Srie #define ld_create_outfile ld32_create_outfile 15815aefb655Srie #define ld_ent_setup ld32_ent_setup 1582c1c6f601Srie #define ld_init_strings ld32_init_strings 1583ba2be530Sab #define ld_init_target ld32_init_target 15845aefb655Srie #define ld_make_sections ld32_make_sections 15855aefb655Srie #define ld_main ld32_main 15862926dd2eSrie #define ld_ofl_cleanup ld32_ofl_cleanup 158756deab07SRod Evans #define ld_process_mem ld32_process_mem 15885aefb655Srie #define ld_reloc_init ld32_reloc_init 15895aefb655Srie #define ld_reloc_process ld32_reloc_process 15905aefb655Srie #define ld_sym_validate ld32_sym_validate 15915aefb655Srie #define ld_update_outfile ld32_update_outfile 15925aefb655Srie 15935aefb655Srie #endif 15945aefb655Srie 159592a02081SRod Evans extern int ld_getopt(Lm_list *, int, int, char **); 159692a02081SRod Evans 1597ba2be530Sab extern int ld32_main(int, char **, Half); 1598ba2be530Sab extern int ld64_main(int, char **, Half); 15995aefb655Srie 16005aefb655Srie extern uintptr_t ld_create_outfile(Ofl_desc *); 16015aefb655Srie extern uintptr_t ld_ent_setup(Ofl_desc *, Xword); 1602c1c6f601Srie extern uintptr_t ld_init_strings(Ofl_desc *); 1603ba2be530Sab extern int ld_init_target(Lm_list *, Half mach); 16045aefb655Srie extern uintptr_t ld_make_sections(Ofl_desc *); 16052926dd2eSrie extern void ld_ofl_cleanup(Ofl_desc *); 160656deab07SRod Evans extern Ifl_desc *ld_process_mem(const char *, const char *, char *, 160756deab07SRod Evans size_t, Ofl_desc *, Rej_desc *); 16085aefb655Srie extern uintptr_t ld_reloc_init(Ofl_desc *); 16095aefb655Srie extern uintptr_t ld_reloc_process(Ofl_desc *); 16105aefb655Srie extern uintptr_t ld_sym_validate(Ofl_desc *); 16115aefb655Srie extern uintptr_t ld_update_outfile(Ofl_desc *); 16125aefb655Srie 16137c478bd9Sstevel@tonic-gate #ifdef __cplusplus 16147c478bd9Sstevel@tonic-gate } 16157c478bd9Sstevel@tonic-gate #endif 16167c478bd9Sstevel@tonic-gate 16177c478bd9Sstevel@tonic-gate #endif /* _LIBLD_H */ 1618