134192Sjdp/*- 255687Sjdp * Copyright 1996, 1997, 1998, 1999, 2000 John D. Polstra. 334192Sjdp * All rights reserved. 434192Sjdp * 534192Sjdp * Redistribution and use in source and binary forms, with or without 634192Sjdp * modification, are permitted provided that the following conditions 734192Sjdp * are met: 834192Sjdp * 1. Redistributions of source code must retain the above copyright 934192Sjdp * notice, this list of conditions and the following disclaimer. 1034192Sjdp * 2. Redistributions in binary form must reproduce the above copyright 1134192Sjdp * notice, this list of conditions and the following disclaimer in the 1234192Sjdp * documentation and/or other materials provided with the distribution. 1334192Sjdp * 1434192Sjdp * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 1534192Sjdp * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 1634192Sjdp * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 1734192Sjdp * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 1834192Sjdp * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 1934192Sjdp * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2034192Sjdp * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2134192Sjdp * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2234192Sjdp * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 2334192Sjdp * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2434192Sjdp * 2550476Speter * $FreeBSD: stable/11/libexec/rtld-elf/rtld.h 361983 2020-06-09 19:16:49Z kib $ 2634192Sjdp */ 2734192Sjdp 2834192Sjdp#ifndef RTLD_H /* { */ 2934192Sjdp#define RTLD_H 1 3034192Sjdp 3176224Sobrien#include <machine/elf.h> 3234192Sjdp#include <sys/types.h> 3350608Sjdp#include <sys/queue.h> 3434192Sjdp 3576224Sobrien#include <elf-hints.h> 3635529Sdfr#include <link.h> 37225152Skib#include <stdarg.h> 38216695Skib#include <setjmp.h> 3934192Sjdp#include <stddef.h> 4034192Sjdp 41115396Skan#include "rtld_lock.h" 4245501Sjdp#include "rtld_machdep.h" 4345501Sjdp 4434192Sjdp#define NEW(type) ((type *) xmalloc(sizeof(type))) 45233307Skib#define CNEW(type) ((type *) xcalloc(1, sizeof(type))) 4634192Sjdp 4734192Sjdp/* We might as well do booleans like C++. */ 4834192Sjdptypedef unsigned char bool; 4934192Sjdp#define false 0 5034192Sjdp#define true 1 5134192Sjdp 52133063Sdfrextern size_t tls_last_offset; 53133063Sdfrextern size_t tls_last_size; 54133063Sdfrextern size_t tls_static_space; 55133063Sdfrextern int tls_dtv_generation; 56133063Sdfrextern int tls_max_index; 57133063Sdfr 58264346Salcextern int npagesizes; 59264346Salcextern size_t *pagesizes; 60264346Salc 61232831Skibextern int main_argc; 62232831Skibextern char **main_argv; 63232831Skibextern char **environ; 64232831Skib 6550609Sjdpstruct stat; 6634192Sjdpstruct Struct_Obj_Entry; 6734192Sjdp 6855687Sjdp/* Lists of shared objects */ 6950608Sjdptypedef struct Struct_Objlist_Entry { 7060938Sjake STAILQ_ENTRY(Struct_Objlist_Entry) link; 7150608Sjdp struct Struct_Obj_Entry *obj; 7250608Sjdp} Objlist_Entry; 7350608Sjdp 7460938Sjaketypedef STAILQ_HEAD(Struct_Objlist, Struct_Objlist_Entry) Objlist; 7550608Sjdp 7663870Sjdp/* Types of init and fini functions */ 7755687Sjdptypedef void (*InitFunc)(void); 78232831Skibtypedef void (*InitArrFunc)(int, char **, char **); 7955687Sjdp 8055687Sjdp/* Lists of shared object dependencies */ 8134192Sjdptypedef struct Struct_Needed_Entry { 8234192Sjdp struct Struct_Needed_Entry *next; 8334192Sjdp struct Struct_Obj_Entry *obj; 8434192Sjdp unsigned long name; /* Offset of name in string table */ 8534192Sjdp} Needed_Entry; 8634192Sjdp 87153515Skantypedef struct Struct_Name_Entry { 88153515Skan STAILQ_ENTRY(Struct_Name_Entry) link; 89153515Skan char name[1]; 90153515Skan} Name_Entry; 91153515Skan 9262801Sjdp/* Lock object */ 9362801Sjdptypedef struct Struct_LockInfo { 9462801Sjdp void *context; /* Client context for creating locks */ 9562801Sjdp void *thelock; /* The one big lock */ 9662801Sjdp /* Debugging aids. */ 9762801Sjdp volatile int rcount; /* Number of readers holding lock */ 9862801Sjdp volatile int wcount; /* Number of writers holding lock */ 9962801Sjdp /* Methods */ 10062801Sjdp void *(*lock_create)(void *context); 10162801Sjdp void (*rlock_acquire)(void *lock); 10262801Sjdp void (*wlock_acquire)(void *lock); 10362801Sjdp void (*rlock_release)(void *lock); 10462801Sjdp void (*wlock_release)(void *lock); 10562801Sjdp void (*lock_destroy)(void *lock); 10662801Sjdp void (*context_destroy)(void *context); 10762801Sjdp} LockInfo; 10862801Sjdp 109153515Skantypedef struct Struct_Ver_Entry { 110153515Skan Elf_Word hash; 111153515Skan unsigned int flags; 112153515Skan const char *name; 113153515Skan const char *file; 114153515Skan} Ver_Entry; 115153515Skan 116234840Skibtypedef struct Struct_Sym_Match_Result { 117234840Skib const Elf_Sym *sym_out; 118234840Skib const Elf_Sym *vsymp; 119234840Skib int vcount; 120234840Skib} Sym_Match_Result; 121234840Skib 122153515Skan#define VER_INFO_HIDDEN 0x01 123153515Skan 12434192Sjdp/* 12534192Sjdp * Shared object descriptor. 12634192Sjdp * 12734192Sjdp * Items marked with "(%)" are dynamically allocated, and must be freed 12834192Sjdp * when the structure is destroyed. 12950977Sjdp * 13050977Sjdp * CAUTION: It appears that the JDK port peeks into these structures. 13150977Sjdp * It looks at "next" and "mapbase" at least. Don't add new members 13250977Sjdp * near the front, until this can be straightened out. 13334192Sjdp */ 13434192Sjdptypedef struct Struct_Obj_Entry { 13534192Sjdp /* 13634192Sjdp * These two items have to be set right for compatibility with the 13734192Sjdp * original ElfKit crt1.o. 13834192Sjdp */ 139153504Smarcel Elf_Size magic; /* Magic number (sanity check) */ 140153504Smarcel Elf_Size version; /* Version number of struct format */ 14134192Sjdp 142294373Skib TAILQ_ENTRY(Struct_Obj_Entry) next; 14334192Sjdp char *path; /* Pathname of underlying file (%) */ 144116511Smdodd char *origin_path; /* Directory path of origin file */ 145313124Smarkj int refcount; /* DAG references */ 146313124Smarkj int holdcount; /* Count of transient references */ 14734192Sjdp int dl_refcount; /* Number of times loaded by dlopen */ 14834192Sjdp 14934192Sjdp /* These items are computed by map_object() or by digest_phdr(). */ 15034192Sjdp caddr_t mapbase; /* Base address of mapped region */ 15134192Sjdp size_t mapsize; /* Size of mapped region in bytes */ 15234192Sjdp size_t textsize; /* Size of text segment in bytes */ 15338467Sjb Elf_Addr vaddrbase; /* Base address in shared object file */ 15434192Sjdp caddr_t relocbase; /* Relocation constant = mapbase - vaddrbase */ 15538467Sjb const Elf_Dyn *dynamic; /* Dynamic section */ 15634192Sjdp caddr_t entry; /* Entry point */ 15738467Sjb const Elf_Phdr *phdr; /* Program header if it is mapped, else NULL */ 15834192Sjdp size_t phsize; /* Size of program header in bytes */ 15950610Sjdp const char *interp; /* Pathname of the interpreter, if any */ 160217153Skib Elf_Word stack_flags; 16134192Sjdp 162133063Sdfr /* TLS information */ 163133063Sdfr int tlsindex; /* Index in DTV for this module */ 164133063Sdfr void *tlsinit; /* Base address of TLS init block */ 165133063Sdfr size_t tlsinitsize; /* Size of TLS init block for this module */ 166133063Sdfr size_t tlssize; /* Size of TLS block for this module */ 167133063Sdfr size_t tlsoffset; /* Offset of static TLS block for this module */ 168133063Sdfr size_t tlsalign; /* Alignment of static TLS block */ 169133063Sdfr 170230784Skib caddr_t relro_page; 171230784Skib size_t relro_size; 172230784Skib 17334192Sjdp /* Items from the dynamic section. */ 17445501Sjdp Elf_Addr *pltgot; /* PLT or GOT, depending on architecture */ 17538467Sjb const Elf_Rel *rel; /* Relocation entries */ 17634192Sjdp unsigned long relsize; /* Size in bytes of relocation info */ 17738816Sdfr const Elf_Rela *rela; /* Relocation entries with addend */ 17838816Sdfr unsigned long relasize; /* Size in bytes of addend relocation info */ 17938467Sjb const Elf_Rel *pltrel; /* PLT relocation entries */ 18034192Sjdp unsigned long pltrelsize; /* Size in bytes of PLT relocation info */ 18138816Sdfr const Elf_Rela *pltrela; /* PLT relocation entries with addend */ 18238816Sdfr unsigned long pltrelasize; /* Size in bytes of PLT addend reloc info */ 18338467Sjb const Elf_Sym *symtab; /* Symbol table */ 18434192Sjdp const char *strtab; /* String table */ 18534192Sjdp unsigned long strsize; /* Size in bytes of string table */ 186177924Simp#ifdef __mips__ 187177924Simp Elf_Word local_gotno; /* Number of local GOT entries */ 188177924Simp Elf_Word symtabno; /* Number of dynamic symbols */ 189177924Simp Elf_Word gotsym; /* First dynamic symbol in GOT */ 190177924Simp#endif 191291668Snwhitehorn#ifdef __powerpc64__ 192291668Snwhitehorn Elf_Addr glink; /* GLINK PLT call stub section */ 193291668Snwhitehorn#endif 19434192Sjdp 195153515Skan const Elf_Verneed *verneed; /* Required versions. */ 196153515Skan Elf_Word verneednum; /* Number of entries in verneed table */ 197153515Skan const Elf_Verdef *verdef; /* Provided versions. */ 198153515Skan Elf_Word verdefnum; /* Number of entries in verdef table */ 199153515Skan const Elf_Versym *versyms; /* Symbol versions table */ 200153515Skan 20185004Sdfr const Elf_Hashelt *buckets; /* Hash table buckets array */ 20234192Sjdp unsigned long nbuckets; /* Number of buckets */ 20385004Sdfr const Elf_Hashelt *chains; /* Hash table chain array */ 204234841Skib unsigned long nchains; /* Number of entries in chain array */ 20534192Sjdp 206234841Skib Elf32_Word nbuckets_gnu; /* Number of GNU hash buckets*/ 207234841Skib Elf32_Word symndx_gnu; /* 1st accessible symbol on dynsym table */ 208234841Skib Elf32_Word maskwords_bm_gnu; /* Bloom filter words - 1 (bitmask) */ 209234841Skib Elf32_Word shift2_gnu; /* Bloom filter shift count */ 210234841Skib Elf32_Word dynsymcount; /* Total entries in dynsym table */ 211234841Skib Elf_Addr *bloom_gnu; /* Bloom filter used by GNU hash func */ 212234841Skib const Elf_Hashelt *buckets_gnu; /* GNU hash table bucket array */ 213234841Skib const Elf_Hashelt *chain_zero_gnu; /* GNU hash table value array (Zeroed) */ 214234841Skib 215189959Skib char *rpath; /* Search path specified in object */ 216238471Skib char *runpath; /* Search path with different priority */ 21734192Sjdp Needed_Entry *needed; /* Shared objects needed by this one (%) */ 218216695Skib Needed_Entry *needed_filtees; 219216695Skib Needed_Entry *needed_aux_filtees; 22034192Sjdp 221153515Skan STAILQ_HEAD(, Struct_Name_Entry) names; /* List of names for this object we 222153515Skan know about. */ 223153515Skan Ver_Entry *vertab; /* Versions required /defined by this object */ 224153515Skan int vernum; /* Number of entries in vertab */ 225153515Skan 22685677Speter Elf_Addr init; /* Initialization function to call */ 22785677Speter Elf_Addr fini; /* Termination function to call */ 228232831Skib Elf_Addr preinit_array; /* Pre-initialization array of functions */ 229232831Skib Elf_Addr init_array; /* Initialization array of functions */ 230232831Skib Elf_Addr fini_array; /* Termination array of functions */ 231232831Skib int preinit_array_num; /* Number of entries in preinit_array */ 232232831Skib int init_array_num; /* Number of entries in init_array */ 233232831Skib int fini_array_num; /* Number of entries in fini_array */ 23434192Sjdp 235232831Skib int32_t osrel; /* OSREL note value */ 236232831Skib 237168312Skan bool mainprog : 1; /* True if this is the main program */ 238168312Skan bool rtld : 1; /* True if this is the dynamic linker */ 239233231Skib bool relocated : 1; /* True if processed by relocate_objects() */ 240233546Skib bool ver_checked : 1; /* True if processed by rtld_verify_object_versions */ 241168312Skan bool textrel : 1; /* True if there are relocations to text seg */ 242168312Skan bool symbolic : 1; /* True if generated with "-Bsymbolic" */ 243168312Skan bool bind_now : 1; /* True if all relocations should be made first */ 244168312Skan bool traced : 1; /* Already printed in ldd trace output */ 245168312Skan bool jmpslots_done : 1; /* Already have relocated the jump slots */ 246168312Skan bool init_done : 1; /* Already have added object to init list */ 247168312Skan bool tls_done : 1; /* Already allocated offset for static TLS */ 248168312Skan bool phdr_alloc : 1; /* Phdr is allocated and needs to be freed. */ 249189959Skib bool z_origin : 1; /* Process rpath and soname tokens */ 250190543Skib bool z_nodelete : 1; /* Do not unload the object and dependencies */ 251199829Skib bool z_noopen : 1; /* Do not load on dlopen */ 252216695Skib bool z_loadfltr : 1; /* Immediately load filtees */ 253256101Skib bool z_interpose : 1; /* Interpose all objects but main */ 254238471Skib bool z_nodeflib : 1; /* Don't search default library path */ 255281549Skib bool z_global : 1; /* Make the object global */ 256361983Skib bool z_pie : 1; /* Object proclaimed itself PIE executable */ 257346156Skib bool static_tls : 1; /* Needs static TLS allocation */ 258346156Skib bool static_tls_copied : 1; /* Needs static TLS copying */ 259194531Skan bool ref_nodel : 1; /* Refcount increased to prevent dlclose */ 260194531Skan bool init_scanned: 1; /* Object is already on init list. */ 261194531Skan bool on_fini_list: 1; /* Object is already on fini list. */ 262214728Skib bool dag_inited : 1; /* Object has its DAG initialized. */ 263216695Skib bool filtees_loaded : 1; /* Filtees loaded */ 264228435Skib bool irelative : 1; /* Object has R_MACHDEP_IRELATIVE relocs */ 265228435Skib bool gnu_ifunc : 1; /* Object has references to STT_GNU_IFUNC */ 266270802Skib bool non_plt_gnu_ifunc : 1; /* Object has non-plt IFUNC references */ 267341774Skib bool ifuncs_resolved : 1; /* Object ifuncs were already resolved */ 268232831Skib bool crt_no_init : 1; /* Object' crt does not call _init/_fini */ 269234841Skib bool valid_hash_sysv : 1; /* A valid System V hash hash tag is available */ 270234841Skib bool valid_hash_gnu : 1; /* A valid GNU hash tag is available */ 271276627Skib bool dlopened : 1; /* dlopen()-ed (vs. load statically) */ 272294373Skib bool marker : 1; /* marker on the global obj list */ 273313124Smarkj bool unholdfree : 1; /* unmap upon last unhold */ 274313124Smarkj bool doomed : 1; /* Object cannot be referenced */ 27535529Sdfr 276194531Skan struct link_map linkmap; /* For GDB and dlinfo() */ 27750977Sjdp Objlist dldags; /* Object belongs to these dlopened DAGs (%) */ 27850977Sjdp Objlist dagmembers; /* DAG has these members (%) */ 27950977Sjdp dev_t dev; /* Object's filesystem's device */ 28050977Sjdp ino_t ino; /* Object's inode number */ 281229780Suqs void *priv; /* Platform-dependent */ 28234192Sjdp} Obj_Entry; 28334192Sjdp 28434192Sjdp#define RTLD_MAGIC 0xd550b87a 28534192Sjdp#define RTLD_VERSION 1 28634192Sjdp 287294373SkibTAILQ_HEAD(obj_entry_q, Struct_Obj_Entry); 288294373Skib 289192922Sdfr#define RTLD_STATIC_TLS_EXTRA 128 290133063Sdfr 291153515Skan/* Flags to be passed into symlook_ family of functions. */ 292153515Skan#define SYMLOOK_IN_PLT 0x01 /* Lookup for PLT symbol */ 293228375Skib#define SYMLOOK_DLSYM 0x02 /* Return newest versioned symbol. Used by 294153515Skan dlsym. */ 295233231Skib#define SYMLOOK_EARLY 0x04 /* Symlook is done during initialization. */ 296270798Skib#define SYMLOOK_IFUNC 0x08 /* Allow IFUNC processing in 297270798Skib reloc_non_plt(). */ 298153515Skan 299199829Skib/* Flags for load_object(). */ 300199877Skib#define RTLD_LO_NOLOAD 0x01 /* dlopen() specified RTLD_NOLOAD. */ 301199877Skib#define RTLD_LO_DLOPEN 0x02 /* Load_object() called from dlopen(). */ 302199877Skib#define RTLD_LO_TRACE 0x04 /* Only tracing. */ 303216695Skib#define RTLD_LO_NODELETE 0x08 /* Loaded object cannot be closed. */ 304216695Skib#define RTLD_LO_FILTEES 0x10 /* Loading filtee. */ 305233231Skib#define RTLD_LO_EARLY 0x20 /* Do not call ctors, postpone it to the 306233231Skib initialization during the image start. */ 307361889Skib#define RTLD_LO_IGNSTLS 0x40 /* Do not allocate static TLS */ 308361382Skib#define RTLD_LO_DEEPBIND 0x80 /* Force symbolic for this object */ 309199829Skib 31076296Sjdp/* 31176296Sjdp * Symbol cache entry used during relocation to avoid multiple lookups 31276296Sjdp * of the same symbol. 31376296Sjdp */ 31476296Sjdptypedef struct Struct_SymCache { 31576296Sjdp const Elf_Sym *sym; /* Symbol table entry */ 31676296Sjdp const Obj_Entry *obj; /* Shared object which defines it */ 31776296Sjdp} SymCache; 31876296Sjdp 319216695Skib/* 320216695Skib * This structure provides a reentrant way to keep a list of objects and 321216695Skib * check which ones have already been processed in some way. 322216695Skib */ 323216695Skibtypedef struct Struct_DoneList { 324216695Skib const Obj_Entry **objs; /* Array of object pointers */ 325216695Skib unsigned int num_alloc; /* Allocated size of the array */ 326216695Skib unsigned int num_used; /* Number of array slots used */ 327216695Skib} DoneList; 328216695Skib 329216695Skibstruct Struct_RtldLockState { 330216695Skib int lockstate; 331218476Skib sigjmp_buf env; 332216695Skib}; 333216695Skib 334238471Skibstruct fill_search_info_args { 335238471Skib int request; 336238471Skib unsigned int flags; 337238471Skib struct dl_serinfo *serinfo; 338238471Skib struct dl_serpath *serpath; 339238471Skib char *strspace; 340238471Skib}; 341238471Skib 342216695Skib/* 343216695Skib * The pack of arguments and results for the symbol lookup functions. 344216695Skib */ 345216695Skibtypedef struct Struct_SymLook { 346216695Skib const char *name; 347216695Skib unsigned long hash; 348234841Skib uint32_t hash_gnu; 349216695Skib const Ver_Entry *ventry; 350216695Skib int flags; 351216695Skib const Obj_Entry *defobj_out; 352216695Skib const Elf_Sym *sym_out; 353216695Skib struct Struct_RtldLockState *lockstate; 354216695Skib} SymLook; 355216695Skib 356280816Skibvoid _rtld_error(const char *, ...) __printflike(1, 2) __exported; 357281005Semastevoid rtld_die(void) __dead2; 358233361Skibconst char *rtld_strerror(int); 359233361SkibObj_Entry *map_object(int, const char *, const struct stat *); 360233361Skibvoid *xcalloc(size_t, size_t); 361233361Skibvoid *xmalloc(size_t); 362233361Skibchar *xstrdup(const char *); 363259043Skibvoid *malloc_aligned(size_t size, size_t align); 364259043Skibvoid free_aligned(void *ptr); 36538816Sdfrextern Elf_Addr _GLOBAL_OFFSET_TABLE_[]; 366212497Snwhitehornextern Elf_Sym sym_zero; /* For resolving undefined weak refs. */ 367316135Skibextern bool ld_bind_not; 36834192Sjdp 369233361Skibvoid dump_relocations(Obj_Entry *); 370233361Skibvoid dump_obj_relocations(Obj_Entry *); 371233361Skibvoid dump_Elf_Rel(Obj_Entry *, const Elf_Rel *, u_long); 372233361Skibvoid dump_Elf_Rela(Obj_Entry *, const Elf_Rela *, u_long); 373116563Smdodd 37438816Sdfr/* 37538816Sdfr * Function declarations. 37638816Sdfr */ 37738816Sdfrunsigned long elf_hash(const char *); 37866056Sjdpconst Elf_Sym *find_symdef(unsigned long, const Obj_Entry *, 379216695Skib const Obj_Entry **, int, SymCache *, struct Struct_RtldLockState *); 380116557Smdoddvoid lockdflt_init(void); 381232831Skibvoid digest_notes(Obj_Entry *, Elf_Addr, Elf_Addr); 382294373SkibObj_Entry *globallist_curr(const Obj_Entry *obj); 383294373SkibObj_Entry *globallist_next(const Obj_Entry *obj); 38450608Sjdpvoid obj_free(Obj_Entry *); 38550608SjdpObj_Entry *obj_new(void); 38645501Sjdpvoid _rtld_bind_start(void); 387228435Skibvoid *rtld_resolve_ifunc(const Obj_Entry *obj, const Elf_Sym *def); 388216695Skibvoid symlook_init(SymLook *, const char *); 389216695Skibint symlook_obj(SymLook *, const Obj_Entry *); 390133063Sdfrvoid *tls_get_addr_common(Elf_Addr** dtvp, int index, size_t offset); 391133063Sdfrvoid *allocate_tls(Obj_Entry *, void *, size_t, size_t); 392133063Sdfrvoid free_tls(void *, size_t, size_t); 393133063Sdfrvoid *allocate_module_tls(int index); 394133063Sdfrbool allocate_tls_offset(Obj_Entry *obj); 395142645Sdfrvoid free_tls_offset(Obj_Entry *obj); 396153515Skanconst Ver_Entry *fetch_ventry(const Obj_Entry *obj, unsigned long); 397296319Skibint convert_prot(int elfflags); 39838816Sdfr 399116558Smdodd/* 400116558Smdodd * MD function declarations. 401116558Smdodd */ 402116558Smdoddint do_copy_relocations(Obj_Entry *); 403233231Skibint reloc_non_plt(Obj_Entry *, Obj_Entry *, int flags, 404233231Skib struct Struct_RtldLockState *); 405116558Smdoddint reloc_plt(Obj_Entry *); 406233231Skibint reloc_jmpslots(Obj_Entry *, int flags, struct Struct_RtldLockState *); 407228435Skibint reloc_iresolve(Obj_Entry *, struct Struct_RtldLockState *); 408233231Skibint reloc_gnu_ifunc(Obj_Entry *, int flags, struct Struct_RtldLockState *); 409331205Smariusvoid ifunc_init(Elf_Auxinfo[__min_size(AT_COUNT)]); 410331205Smariusvoid pre_init(void); 411331205Smariusvoid init_pltgot(Obj_Entry *); 412133063Sdfrvoid allocate_initial_tls(Obj_Entry *); 413116558Smdodd 41434192Sjdp#endif /* } */ 415