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 */ 217c478bd9Sstevel@tonic-gate /* 227c478bd9Sstevel@tonic-gate * Copyright (c) 1988 AT&T 237c478bd9Sstevel@tonic-gate * All Rights Reserved 247c478bd9Sstevel@tonic-gate * 257c478bd9Sstevel@tonic-gate * 269a411307Srie * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 277c478bd9Sstevel@tonic-gate * Use is subject to license terms. 287c478bd9Sstevel@tonic-gate */ 297c478bd9Sstevel@tonic-gate 307c478bd9Sstevel@tonic-gate #ifndef __RTLD_H 317c478bd9Sstevel@tonic-gate #define __RTLD_H 327c478bd9Sstevel@tonic-gate 337c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 347c478bd9Sstevel@tonic-gate 357c478bd9Sstevel@tonic-gate /* 367c478bd9Sstevel@tonic-gate * Common header for run-time linker. 377c478bd9Sstevel@tonic-gate */ 387c478bd9Sstevel@tonic-gate #include <sys/types.h> 397c478bd9Sstevel@tonic-gate #include <sys/stat.h> 407c478bd9Sstevel@tonic-gate #include <sys/avl.h> 417c478bd9Sstevel@tonic-gate #include <stdarg.h> 427c478bd9Sstevel@tonic-gate #include <synch.h> 437c478bd9Sstevel@tonic-gate #include <signal.h> 447c478bd9Sstevel@tonic-gate #include <errno.h> 457c478bd9Sstevel@tonic-gate #include <unistd.h> 467c478bd9Sstevel@tonic-gate #include <link.h> 477c478bd9Sstevel@tonic-gate #include <rtld.h> 487c478bd9Sstevel@tonic-gate #include <sgs.h> 497c478bd9Sstevel@tonic-gate #include <machdep.h> 507c478bd9Sstevel@tonic-gate #include <rtc.h> 515aefb655Srie #include <debug.h> 527c478bd9Sstevel@tonic-gate #include <msg.h> 537c478bd9Sstevel@tonic-gate #include <libc_int.h> 547c478bd9Sstevel@tonic-gate 557c478bd9Sstevel@tonic-gate #ifdef __cplusplus 567c478bd9Sstevel@tonic-gate extern "C" { 577c478bd9Sstevel@tonic-gate #endif 587c478bd9Sstevel@tonic-gate 597c478bd9Sstevel@tonic-gate /* 607c478bd9Sstevel@tonic-gate * Dependency search rule order. 617c478bd9Sstevel@tonic-gate */ 627c478bd9Sstevel@tonic-gate #define RPLENV 1 /* replaceable LD_LIBRARY_PATH */ 637c478bd9Sstevel@tonic-gate #define PRMENV 2 /* permanent LD_LIBRARY_PATH */ 647c478bd9Sstevel@tonic-gate #define RUNPATH 3 /* callers runpath */ 657c478bd9Sstevel@tonic-gate #define DEFAULT 4 /* default library path */ 667c478bd9Sstevel@tonic-gate 677c478bd9Sstevel@tonic-gate 687c478bd9Sstevel@tonic-gate /* 697c478bd9Sstevel@tonic-gate * Data structure for file class specific functions and data. 707c478bd9Sstevel@tonic-gate */ 717c478bd9Sstevel@tonic-gate typedef struct fct { 727c478bd9Sstevel@tonic-gate int (*fct_are_u_this)(Rej_desc *); /* determine type of object */ 737c478bd9Sstevel@tonic-gate ulong_t (*fct_entry_pt)(void); /* get entry point */ 747c478bd9Sstevel@tonic-gate Rt_map *(*fct_map_so)(Lm_list *, Aliste, const char *, const char *, 757c478bd9Sstevel@tonic-gate int); /* map in a shared object */ 767c478bd9Sstevel@tonic-gate void (*fct_unmap_so)(Rt_map *); /* unmap a shared object */ 777c478bd9Sstevel@tonic-gate int (*fct_needed)(Lm_list *, Aliste, Rt_map *); 787c478bd9Sstevel@tonic-gate /* determine needed objects */ 797c478bd9Sstevel@tonic-gate Sym *(*fct_lookup_sym)(Slookup *, Rt_map **, uint_t *); 807c478bd9Sstevel@tonic-gate /* initialize symbol lookup */ 817c478bd9Sstevel@tonic-gate int (*fct_reloc)(Rt_map *, uint_t); /* relocate shared object */ 827c478bd9Sstevel@tonic-gate Pnode *fct_dflt_dirs; /* list of default dirs to */ 837c478bd9Sstevel@tonic-gate /* search */ 847c478bd9Sstevel@tonic-gate Pnode *fct_secure_dirs; /* list of secure dirs to */ 857c478bd9Sstevel@tonic-gate /* search (set[ug]id) */ 867c478bd9Sstevel@tonic-gate Pnode *(*fct_fix_name)(const char *, Rt_map *, uint_t); 877c478bd9Sstevel@tonic-gate /* transpose name */ 887c478bd9Sstevel@tonic-gate char *(*fct_get_so)(const char *, const char *); 897c478bd9Sstevel@tonic-gate /* get shared object */ 907c478bd9Sstevel@tonic-gate void (*fct_dladdr)(ulong_t, Rt_map *, Dl_info *, void **, int); 917c478bd9Sstevel@tonic-gate /* get symbolic address */ 927c478bd9Sstevel@tonic-gate Sym *(*fct_dlsym)(Grp_hdl *, Slookup *, Rt_map **, uint_t *); 937c478bd9Sstevel@tonic-gate /* process dlsym request */ 947c478bd9Sstevel@tonic-gate int (*fct_verify_vers)(const char *, Rt_map *, Rt_map *); 957c478bd9Sstevel@tonic-gate /* verify versioning (ELF) */ 967c478bd9Sstevel@tonic-gate int (*fct_set_prot)(Rt_map *, int); 977c478bd9Sstevel@tonic-gate /* set protection */ 987c478bd9Sstevel@tonic-gate } Fct; 997c478bd9Sstevel@tonic-gate 1007c478bd9Sstevel@tonic-gate 1017c478bd9Sstevel@tonic-gate /* 1027c478bd9Sstevel@tonic-gate * Return codes for util::anon_map(). 1037c478bd9Sstevel@tonic-gate */ 1047c478bd9Sstevel@tonic-gate typedef enum { 1057c478bd9Sstevel@tonic-gate AM_OK, /* mmap(MAP_ANON) succeeded */ 1067c478bd9Sstevel@tonic-gate AM_NOSUP, /* mmap(MAP_ANON) not supported (old OS) */ 1077c478bd9Sstevel@tonic-gate AM_ERROR /* mmap(MAP_ANON) failed */ 1087c478bd9Sstevel@tonic-gate } Am_ret; 1097c478bd9Sstevel@tonic-gate 1107c478bd9Sstevel@tonic-gate 1117c478bd9Sstevel@tonic-gate /* 1127c478bd9Sstevel@tonic-gate * Macros for getting to the file class table. 1137c478bd9Sstevel@tonic-gate */ 1147c478bd9Sstevel@tonic-gate #define LM_ENTRY_PT(X) ((X)->rt_fct->fct_entry_pt) 1157c478bd9Sstevel@tonic-gate #define LM_UNMAP_SO(X) ((X)->rt_fct->fct_unmap_so) 1167c478bd9Sstevel@tonic-gate #define LM_NEEDED(X) ((X)->rt_fct->fct_needed) 1177c478bd9Sstevel@tonic-gate #define LM_LOOKUP_SYM(X) ((X)->rt_fct->fct_lookup_sym) 1187c478bd9Sstevel@tonic-gate #define LM_RELOC(X) ((X)->rt_fct->fct_reloc) 1197c478bd9Sstevel@tonic-gate #define LM_DFLT_DIRS(X) ((X)->rt_fct->fct_dflt_dirs) 1207c478bd9Sstevel@tonic-gate #define LM_SECURE_DIRS(X) ((X)->rt_fct->fct_secure_dirs) 1217c478bd9Sstevel@tonic-gate #define LM_FIX_NAME(X) ((X)->rt_fct->fct_fix_name) 1227c478bd9Sstevel@tonic-gate #define LM_GET_SO(X) ((X)->rt_fct->fct_get_so) 1237c478bd9Sstevel@tonic-gate #define LM_DLADDR(X) ((X)->rt_fct->fct_dladdr) 1247c478bd9Sstevel@tonic-gate #define LM_DLSYM(X) ((X)->rt_fct->fct_dlsym) 1257c478bd9Sstevel@tonic-gate #define LM_VERIFY_VERS(X) ((X)->rt_fct->fct_verify_vers) 1267c478bd9Sstevel@tonic-gate #define LM_SET_PROT(X) ((X)->rt_fct->fct_set_prot) 1277c478bd9Sstevel@tonic-gate 1287c478bd9Sstevel@tonic-gate 1297c478bd9Sstevel@tonic-gate /* 1307c478bd9Sstevel@tonic-gate * Define Alist initialization sizes. 1317c478bd9Sstevel@tonic-gate */ 1327c478bd9Sstevel@tonic-gate #define AL_CNT_ALIAS 2 /* ALIAS() initial alist count */ 1337c478bd9Sstevel@tonic-gate #define AL_CNT_DEPENDS 10 /* DEPENDS() initial alist count */ 1347c478bd9Sstevel@tonic-gate #define AL_CNT_CALLERS 10 /* CALLERS() initial alist count */ 1357c478bd9Sstevel@tonic-gate #define AL_CNT_GROUPS 1 /* GROUPS() initial alist count */ 1367c478bd9Sstevel@tonic-gate #define AL_CNT_COPYREL 10 /* COPY() initial alist count */ 1377c478bd9Sstevel@tonic-gate #define AL_CNT_LAZYFIND 10 /* elf_lazy_find_sym() initial alist */ 1387c478bd9Sstevel@tonic-gate /* count */ 1397c478bd9Sstevel@tonic-gate #define AL_CNT_GRPCLCT 10 /* gdp_collect() initial alist count */ 1407c478bd9Sstevel@tonic-gate #define AL_CNT_DEPCLCT 10 /* load_so() initial alist count */ 1417c478bd9Sstevel@tonic-gate #define AL_CNT_RTLDINFO 1 /* RTLDINFO() initial alist count */ 1427c478bd9Sstevel@tonic-gate #define AL_CNT_FPNODE 2 /* FPNODE() initial alist count */ 1437c478bd9Sstevel@tonic-gate #define AL_CNT_LMLISTS 8 /* lm_lists initial alist count */ 1447c478bd9Sstevel@tonic-gate #define AL_CNT_LMNOW 8 /* lm_now initial alist count */ 1457c478bd9Sstevel@tonic-gate #define AL_CNT_RELBIND 20 /* relocation binding alist count */ 1467c478bd9Sstevel@tonic-gate 1477c478bd9Sstevel@tonic-gate 1487c478bd9Sstevel@tonic-gate /* 1497c478bd9Sstevel@tonic-gate * Size of buffer for building error messages. 1507c478bd9Sstevel@tonic-gate */ 1517c478bd9Sstevel@tonic-gate #define ERRSIZE 2048 /* MAXPATHLEN * 2 */ 1527c478bd9Sstevel@tonic-gate 1537c478bd9Sstevel@tonic-gate 1547c478bd9Sstevel@tonic-gate /* 1557c478bd9Sstevel@tonic-gate * Configuration file information. 1567c478bd9Sstevel@tonic-gate */ 1577c478bd9Sstevel@tonic-gate typedef struct config { 1587c478bd9Sstevel@tonic-gate const char *c_name; 1597c478bd9Sstevel@tonic-gate Addr c_bgn; 1607c478bd9Sstevel@tonic-gate Addr c_end; 1617c478bd9Sstevel@tonic-gate Word *c_hashtbl; 1627c478bd9Sstevel@tonic-gate Word *c_hashchain; 1637c478bd9Sstevel@tonic-gate const char *c_strtbl; 1647c478bd9Sstevel@tonic-gate Rtc_obj *c_objtbl; 1657c478bd9Sstevel@tonic-gate Rtc_fltr *c_fltr; 1667c478bd9Sstevel@tonic-gate Rtc_flte *c_flte; 1677c478bd9Sstevel@tonic-gate } Config; 1687c478bd9Sstevel@tonic-gate 1697c478bd9Sstevel@tonic-gate /* 1707c478bd9Sstevel@tonic-gate * Register symbol list. 1717c478bd9Sstevel@tonic-gate */ 1727c478bd9Sstevel@tonic-gate typedef struct reglist { 1737c478bd9Sstevel@tonic-gate Rt_map *rl_lmp; /* defining object */ 1747c478bd9Sstevel@tonic-gate Sym *rl_sym; /* regsym */ 1757c478bd9Sstevel@tonic-gate struct reglist *rl_next; /* next entry */ 1767c478bd9Sstevel@tonic-gate } Reglist; 1777c478bd9Sstevel@tonic-gate 1787c478bd9Sstevel@tonic-gate /* 1797c478bd9Sstevel@tonic-gate * Data structure to hold interpreter information. 1807c478bd9Sstevel@tonic-gate */ 1817c478bd9Sstevel@tonic-gate typedef struct interp { 1827c478bd9Sstevel@tonic-gate char *i_name; /* interpreter name */ 1837c478bd9Sstevel@tonic-gate caddr_t i_faddr; /* address interpreter is mapped at */ 1847c478bd9Sstevel@tonic-gate } Interp; 1857c478bd9Sstevel@tonic-gate 1867c478bd9Sstevel@tonic-gate /* 1877c478bd9Sstevel@tonic-gate * Data structure used to keep track of copy relocations. These relocations 1887c478bd9Sstevel@tonic-gate * are collected during initial relocation processing and maintained on the 1897c478bd9Sstevel@tonic-gate * COPY(lmp) list of the defining object. Each copy list is also added to the 1907c478bd9Sstevel@tonic-gate * COPY(lmp) of the head object (normally the application dynamic executable) 1917c478bd9Sstevel@tonic-gate * from which they will be processed after all relocations are done. 1927c478bd9Sstevel@tonic-gate * 1937c478bd9Sstevel@tonic-gate * The use of RTLD_GROUP will also reference individual objects COPY(lmp) lists 1947c478bd9Sstevel@tonic-gate * in case a bound symbol must be assigned to it actual copy relocation. 1957c478bd9Sstevel@tonic-gate */ 1967c478bd9Sstevel@tonic-gate typedef struct { 1977c478bd9Sstevel@tonic-gate const char *r_name; /* symbol name */ 1987c478bd9Sstevel@tonic-gate Sym *r_rsym; /* reference symbol table entry */ 1997c478bd9Sstevel@tonic-gate Rt_map *r_rlmp; /* reference link map */ 2007c478bd9Sstevel@tonic-gate Rt_map *r_dlmp; /* definition link map */ 2017c478bd9Sstevel@tonic-gate Sym *r_dsym; /* definition symbol table entry */ 2027c478bd9Sstevel@tonic-gate void *r_radd; /* copy to address */ 2037c478bd9Sstevel@tonic-gate const void *r_dadd; /* copy from address */ 2047c478bd9Sstevel@tonic-gate ulong_t r_size; /* copy size bytes */ 2057c478bd9Sstevel@tonic-gate } Rel_copy; 2067c478bd9Sstevel@tonic-gate 2077c478bd9Sstevel@tonic-gate /* 2087c478bd9Sstevel@tonic-gate * Data structure to hold initial file mapping information. Used to 2097c478bd9Sstevel@tonic-gate * communicate during initial object mapping and provide for error recovery. 2107c478bd9Sstevel@tonic-gate */ 2117c478bd9Sstevel@tonic-gate typedef struct { 2127c478bd9Sstevel@tonic-gate char *fm_maddr; /* address of initial mapping */ 2137c478bd9Sstevel@tonic-gate size_t fm_msize; /* size of initial mapping */ 2147c478bd9Sstevel@tonic-gate size_t fm_fsize; /* actual file size */ 2157c478bd9Sstevel@tonic-gate ulong_t fm_etext; /* end of text segment */ 2167c478bd9Sstevel@tonic-gate int fm_mflags; /* mapping flags */ 2177c478bd9Sstevel@tonic-gate ulong_t fm_hwptr; /* hardware capabilities pointer */ 2187c478bd9Sstevel@tonic-gate } Fmap; 2197c478bd9Sstevel@tonic-gate 2207c478bd9Sstevel@tonic-gate /* 2217c478bd9Sstevel@tonic-gate * Define a file descriptor, which maintains information regarding a pathname 2227c478bd9Sstevel@tonic-gate * that has been opened and minimally inspected. 2237c478bd9Sstevel@tonic-gate */ 2247c478bd9Sstevel@tonic-gate typedef struct { 2257c478bd9Sstevel@tonic-gate Rt_map *fd_lmp; /* existing link-map pointer */ 2267c478bd9Sstevel@tonic-gate Fct *fd_ftp; /* file functions pointer */ 2277c478bd9Sstevel@tonic-gate const char *fd_oname; /* original file name */ 2287c478bd9Sstevel@tonic-gate const char *fd_odir; /* original directory name */ 2297c478bd9Sstevel@tonic-gate const char *fd_nname; /* new file (expanded) name */ 2307c478bd9Sstevel@tonic-gate const char *fd_pname; /* new path (resolved) name */ 2317c478bd9Sstevel@tonic-gate dev_t fd_dev; /* file device number */ 2327c478bd9Sstevel@tonic-gate ino_t fd_ino; /* file inode number */ 2337c478bd9Sstevel@tonic-gate int fd_fd; /* open file descriptor */ 2347c478bd9Sstevel@tonic-gate uint_t fd_flags; 2357c478bd9Sstevel@tonic-gate avl_index_t fd_avlwhere; /* avl tree insertion index */ 2367c478bd9Sstevel@tonic-gate Fmap fd_fmap; /* file mapping information */ 2377c478bd9Sstevel@tonic-gate } Fdesc; 2387c478bd9Sstevel@tonic-gate 2397c478bd9Sstevel@tonic-gate #define FLG_FD_ALTER 0x01 /* file is an alternate */ 2407c478bd9Sstevel@tonic-gate #define FLG_FD_SLASH 0x02 /* file contains a "/" */ 2417c478bd9Sstevel@tonic-gate 2427c478bd9Sstevel@tonic-gate /* 2437c478bd9Sstevel@tonic-gate * File descriptor availability flag. 2447c478bd9Sstevel@tonic-gate */ 2457c478bd9Sstevel@tonic-gate #define FD_UNAVAIL -1 2467c478bd9Sstevel@tonic-gate 2477c478bd9Sstevel@tonic-gate /* 2487c478bd9Sstevel@tonic-gate * Disabled filter flag. Filter objects are referenced using their .dynamic 2497c478bd9Sstevel@tonic-gate * index (DT_FILTER or DT_AUXILIARY). This index is saved and used to lookup 2507c478bd9Sstevel@tonic-gate * the required filter. Note that 0 is a valid .dynamic index. The caller's 2517c478bd9Sstevel@tonic-gate * OBJFLTRNDX() element is initialized using the following flag, and should 2527c478bd9Sstevel@tonic-gate * the filter's initialization fail, is reset to this value to indicate the 2537c478bd9Sstevel@tonic-gate * filter is disabled. UINT_MAX provides a convenient invalid .dynamic index. 2547c478bd9Sstevel@tonic-gate */ 2557c478bd9Sstevel@tonic-gate #define FLTR_DISABLED UINT_MAX 2567c478bd9Sstevel@tonic-gate 2577c478bd9Sstevel@tonic-gate /* 2587c478bd9Sstevel@tonic-gate * Status flags for rtld_flags 2597c478bd9Sstevel@tonic-gate */ 2607c478bd9Sstevel@tonic-gate #define RT_FL_THREADS 0x00000001 /* threads are enabled */ 2617c478bd9Sstevel@tonic-gate #define RT_FL_WARNFLTR 0x00000002 /* warn of missing filtees (ldd) */ 2627c478bd9Sstevel@tonic-gate #define RT_FL_DBNOTIF 0x00000004 /* binding activity going on */ 2637c478bd9Sstevel@tonic-gate 2647c478bd9Sstevel@tonic-gate #ifdef SIEBEL_DISABLE 2657c478bd9Sstevel@tonic-gate #define RT_FL_DISFIX_1 0x00000008 /* disable fix number 1 */ 2667c478bd9Sstevel@tonic-gate #endif 2677c478bd9Sstevel@tonic-gate 2687c478bd9Sstevel@tonic-gate #define RT_FL_NOBIND 0x00000010 /* don't carry out plt binding */ 2697c478bd9Sstevel@tonic-gate #define RT_FL_NOVERSION 0x00000020 /* disable version checking */ 2707c478bd9Sstevel@tonic-gate #define RT_FL_SECURE 0x00000040 /* setuid/segid flag */ 2717c478bd9Sstevel@tonic-gate #define RT_FL_APPLIC 0x00000080 /* are we executing user code */ 2727c478bd9Sstevel@tonic-gate #define RT_FL_CONCUR 0x00000100 /* thread concurrency checks required */ 2737c478bd9Sstevel@tonic-gate #define RT_FL_CONFGEN 0x00000200 /* don't relocate initiating object */ 2747c478bd9Sstevel@tonic-gate /* set by crle(1). */ 2757c478bd9Sstevel@tonic-gate #define RT_FL_CONFAPP 0x00000400 /* application specific configuration */ 2767c478bd9Sstevel@tonic-gate /* cache required */ 2777c478bd9Sstevel@tonic-gate #define RT_FL_DEBUGGER 0x00000800 /* a debugger is monitoring us */ 2787c478bd9Sstevel@tonic-gate #define RT_FL_AUNOTIF 0x00001000 /* audit activity going on */ 2797c478bd9Sstevel@tonic-gate #define RT_FL_NEWLOCALE 0x00002000 /* message locale has changed */ 2807c478bd9Sstevel@tonic-gate #define RT_FL_NOBAPLT 0x00004000 /* sparc: don't use ba plt's */ 2817c478bd9Sstevel@tonic-gate #define RT_FL_NOAUXFLTR 0x00008000 /* disable auxiliary filters */ 2827c478bd9Sstevel@tonic-gate #define RT_FL_NOCONCUR 0x00010000 /* disable thread concurrency checks */ 2837c478bd9Sstevel@tonic-gate #define RT_FL_NOAUDIT 0x00020000 /* disable auditing */ 2847c478bd9Sstevel@tonic-gate #define RT_FL_ATEXIT 0x00040000 /* we're shutting down */ 2857c478bd9Sstevel@tonic-gate #define RT_FL_SILENCERR 0x00080000 /* silence error messages */ 2867c478bd9Sstevel@tonic-gate #define RT_FL_BREADTH 0x00100000 /* use breadth-first for .init/.fini */ 2877c478bd9Sstevel@tonic-gate #define RT_FL_INITFIRST 0x00200000 /* processing a DT_INITFIRST object */ 2887c478bd9Sstevel@tonic-gate #define RT_FL_RELATIVE 0x00400000 /* relative path expansion required */ 2897c478bd9Sstevel@tonic-gate #define RT_FL_EXECNAME 0x00800000 /* AT_SUN_EXECNAME vector is avail */ 2907c478bd9Sstevel@tonic-gate #define RT_FL_DEMANGLE 0x01000000 /* demangle C++ symbol names */ 2917c478bd9Sstevel@tonic-gate #define RT_FL_NOCFG 0x02000000 /* disable config file use */ 2927c478bd9Sstevel@tonic-gate #define RT_FL_NODIRCFG 0x04000000 /* disable directory config use */ 2937c478bd9Sstevel@tonic-gate #define RT_FL_NOOBJALT 0x08000000 /* disable object alternative use */ 2947c478bd9Sstevel@tonic-gate #define RT_FL_NOENVCFG 0x10000000 /* disable config envars use */ 2957c478bd9Sstevel@tonic-gate #define RT_FL_DIRCFG 0x20000000 /* directory config info available */ 2967c478bd9Sstevel@tonic-gate #define RT_FL_OBJALT 0x40000000 /* object alternatives are available */ 2977c478bd9Sstevel@tonic-gate #define RT_FL_MEMRESV 0x80000000 /* memory reservation established */ 2987c478bd9Sstevel@tonic-gate 2997c478bd9Sstevel@tonic-gate /* 3007c478bd9Sstevel@tonic-gate * Status flags for rtld_flags2 3017c478bd9Sstevel@tonic-gate */ 3025aefb655Srie #define RT_FL2_HASAUDIT 0x00000001 /* auditing lm_list is present */ 3037c478bd9Sstevel@tonic-gate #define RT_FL2_RTLDSEEN 0x00000002 /* rtldinfo has been set */ 3045aefb655Srie #define RT_FL2_UNIFPROC 0x00000004 /* libc/libthread unified environment */ 3057c478bd9Sstevel@tonic-gate #define RT_FL2_NOMALIGN 0x00000008 /* mmap MAP_ALIGN isn't available */ 3067c478bd9Sstevel@tonic-gate #define RT_FL2_NOFLTCFG 0x00000010 /* disable config filter use */ 3077c478bd9Sstevel@tonic-gate #define RT_FL2_FLTCFG 0x00000020 /* filter config info available */ 3087c478bd9Sstevel@tonic-gate #define RT_FL2_HWCAP 0x00000040 /* hardware capabilities available */ 3097c478bd9Sstevel@tonic-gate #define RT_FL2_FTL2WARN 0x00000080 /* convert fatal to warning messages */ 3107c478bd9Sstevel@tonic-gate #define RT_FL2_BINDNOW 0x00000100 /* LD_BIND_NOW in effect */ 311dffec89cSrie #define RT_FL2_BINDLAZY 0x00000200 /* disable RTLD_NOW (and LD_BIND_NOW) */ 31210a4fa49Srie #define RT_FL2_PLMSETUP 0x00000400 /* primary link-map set up complete */ 3139acbbeafSnn #define RT_FL2_BRANDED 0x00000800 /* Process is branded */ 3147c478bd9Sstevel@tonic-gate 3157c478bd9Sstevel@tonic-gate /* 3167c478bd9Sstevel@tonic-gate * Information flags for env_info. 3177c478bd9Sstevel@tonic-gate */ 3187c478bd9Sstevel@tonic-gate #define ENV_INF_PATHCFG 0x00000001 /* replaceable LD_LIBRARY_PATH */ 3197c478bd9Sstevel@tonic-gate /* originates from configuration */ 3207c478bd9Sstevel@tonic-gate /* file */ 3217c478bd9Sstevel@tonic-gate #define ENV_INF_FLAGCFG 0x00000002 /* replaceable LD_FLAGS originates */ 3227c478bd9Sstevel@tonic-gate /* from configuration file */ 3237c478bd9Sstevel@tonic-gate 3247c478bd9Sstevel@tonic-gate /* 32510a4fa49Srie * RTLDINFO descriptor. 32610a4fa49Srie */ 32710a4fa49Srie typedef struct { 32810a4fa49Srie Rt_map *rti_lmp; /* RTLDINFO provider */ 32910a4fa49Srie Lc_interface *rti_info; /* RTLDINFO data */ 33010a4fa49Srie } Rti_desc; 33110a4fa49Srie 33210a4fa49Srie /* 33310a4fa49Srie * Binding flags for the bindguard routines. 3347c478bd9Sstevel@tonic-gate */ 3357c478bd9Sstevel@tonic-gate #define THR_FLG_RTLD 0x00000001 /* rtldlock bind_guard() flag */ 3367c478bd9Sstevel@tonic-gate #define THR_FLG_MASK THR_FLG_RTLD /* mask for all THR_FLG flags */ 3377c478bd9Sstevel@tonic-gate 3387c478bd9Sstevel@tonic-gate #define ROUND(x, a) (((int)(x) + ((int)(a) - 1)) & \ 3397c478bd9Sstevel@tonic-gate ~((int)(a) - 1)) 3407c478bd9Sstevel@tonic-gate 3417c478bd9Sstevel@tonic-gate /* 3427c478bd9Sstevel@tonic-gate * Print buffer. 3437c478bd9Sstevel@tonic-gate */ 3447c478bd9Sstevel@tonic-gate typedef struct { 3457c478bd9Sstevel@tonic-gate char *pr_buf; /* pointer to beginning of buffer */ 3467c478bd9Sstevel@tonic-gate char *pr_cur; /* pointer to next free char in buffer */ 3477c478bd9Sstevel@tonic-gate size_t pr_len; /* buffer size */ 3487c478bd9Sstevel@tonic-gate int pr_fd; /* output fd */ 3497c478bd9Sstevel@tonic-gate } Prfbuf; 3507c478bd9Sstevel@tonic-gate 3517c478bd9Sstevel@tonic-gate /* 3527c478bd9Sstevel@tonic-gate * dlopen() handle list size. 3537c478bd9Sstevel@tonic-gate */ 3547c478bd9Sstevel@tonic-gate #define HDLIST_SZ 101 /* prime no. for hashing */ 3557c478bd9Sstevel@tonic-gate #define HDLIST_ORP 102 /* orphan handle list */ 3567c478bd9Sstevel@tonic-gate 3577c478bd9Sstevel@tonic-gate /* 3587c478bd9Sstevel@tonic-gate * Define expansion path information. Search paths, i.e., LD_LIBRARY_PATH, 3597c478bd9Sstevel@tonic-gate * RPATHS, etc. are defined using la_objsearch() information (see LA_SER flags 3607c478bd9Sstevel@tonic-gate * in link.h). Definitions here extend the path information to other uses of 3617c478bd9Sstevel@tonic-gate * pathname expansion, and are or'd together with any LA_SER_* flags. 3627c478bd9Sstevel@tonic-gate */ 3637c478bd9Sstevel@tonic-gate #define PN_SER_NEEDED 0x00001000 /* paths define DT_NEEDED entry */ 3647c478bd9Sstevel@tonic-gate #define PN_SER_FILTEE 0x00002000 /* paths define filtees */ 3657c478bd9Sstevel@tonic-gate #define PN_SER_EXTLOAD 0x00004000 /* paths define extra loaded objects */ 3667c478bd9Sstevel@tonic-gate /* (preload, audit etc.) */ 3677c478bd9Sstevel@tonic-gate #define PN_SER_DLOPEN 0x00008000 /* paths define dlopen() request */ 3687c478bd9Sstevel@tonic-gate 3697c478bd9Sstevel@tonic-gate #define PN_SER_MASK 0x000ff000 /* mask for p_orig incorporation */ 3707c478bd9Sstevel@tonic-gate 3717c478bd9Sstevel@tonic-gate /* 3727c478bd9Sstevel@tonic-gate * Define reserved path tokens. These are used to prevent various expansions 3737c478bd9Sstevel@tonic-gate * from occurring, and record those expansions that do. Note that any expansion 3747c478bd9Sstevel@tonic-gate * information is also recorded in the p_orig field of a Pnode, and thus is 3757c478bd9Sstevel@tonic-gate * or'd together with any LA_SER_* flags. 3767c478bd9Sstevel@tonic-gate */ 3777c478bd9Sstevel@tonic-gate #define PN_TKN_ORIGIN 0x00100000 /* $ORIGIN expansion has occurred */ 3787c478bd9Sstevel@tonic-gate #define PN_TKN_PLATFORM 0x00200000 /* $PLATFORM expansion has occurred */ 3797c478bd9Sstevel@tonic-gate #define PN_TKN_OSNAME 0x00400000 /* $OSNAME expansion has occurred */ 3807c478bd9Sstevel@tonic-gate #define PN_TKN_OSREL 0x00800000 /* $OSREL expansion has occurred */ 3817c478bd9Sstevel@tonic-gate #define PN_TKN_ISALIST 0x01000000 /* $ISALIST expansion has occurred */ 3827c478bd9Sstevel@tonic-gate #define PN_TKN_HWCAP 0x02000000 /* $HWCAP expansion has occurred */ 3837c478bd9Sstevel@tonic-gate 3847c478bd9Sstevel@tonic-gate #define PN_TKN_MASK 0xfff00000 /* mask for p_orig incorporation */ 3857c478bd9Sstevel@tonic-gate 3867c478bd9Sstevel@tonic-gate #define TKN_NONE 0x00000001 /* no token expansion has occurred */ 3877c478bd9Sstevel@tonic-gate #define TKN_DOTSLASH 0x00000002 /* path contains a "./" */ 3887c478bd9Sstevel@tonic-gate 3897c478bd9Sstevel@tonic-gate /* 3907c478bd9Sstevel@tonic-gate * Define alist descriptor addition return values (see hdl_add()). 3917c478bd9Sstevel@tonic-gate */ 3927c478bd9Sstevel@tonic-gate #define ALE_EXISTS 1 /* alist entry already exists */ 3937c478bd9Sstevel@tonic-gate #define ALE_CREATE 2 /* alist entry created */ 3947c478bd9Sstevel@tonic-gate 3957c478bd9Sstevel@tonic-gate /* 3967c478bd9Sstevel@tonic-gate * Define _caller flags. 3977c478bd9Sstevel@tonic-gate */ 3987c478bd9Sstevel@tonic-gate #define CL_NONE 0 3997c478bd9Sstevel@tonic-gate #define CL_EXECDEF 1 /* supply the executable as a default */ 4007c478bd9Sstevel@tonic-gate /* if the caller can't be determined */ 4017c478bd9Sstevel@tonic-gate 4027c478bd9Sstevel@tonic-gate /* 4037c478bd9Sstevel@tonic-gate * Binding information. Note, this is or'ed in with the DBG_BINFO flags to 4047c478bd9Sstevel@tonic-gate * convey information regarding symbol bindings. 4057c478bd9Sstevel@tonic-gate */ 4067c478bd9Sstevel@tonic-gate #define BINFO_DIRECTDIS 0x10000 /* a direct binding has been disabled */ 4077c478bd9Sstevel@tonic-gate 4087c478bd9Sstevel@tonic-gate /* 4097c478bd9Sstevel@tonic-gate * Data declarations. 4107c478bd9Sstevel@tonic-gate */ 41110a4fa49Srie extern Lc_desc glcs[]; /* global external interfaces */ 41210a4fa49Srie 4137c478bd9Sstevel@tonic-gate extern Rt_lock rtldlock; /* rtld lock */ 4147c478bd9Sstevel@tonic-gate 4157c478bd9Sstevel@tonic-gate extern List dynlm_list; /* dynamic list of link-maps */ 4167c478bd9Sstevel@tonic-gate extern char **environ; /* environ pointer */ 4177c478bd9Sstevel@tonic-gate 4187c478bd9Sstevel@tonic-gate extern int dyn_plt_ent_size; /* Size of dynamic plt's */ 4197c478bd9Sstevel@tonic-gate extern ulong_t at_flags; /* machine specific file flags */ 42041072f3cSrie extern const char *procname; /* file name of executing process */ 4217c478bd9Sstevel@tonic-gate extern Rtld_db_priv r_debug; /* debugging information */ 4227c478bd9Sstevel@tonic-gate extern char *lasterr; /* string describing last error */ 4237c478bd9Sstevel@tonic-gate extern Interp *interp; /* ELF executable interpreter info */ 42441072f3cSrie extern const char *rtldname; /* name of the dynamic linker */ 4257c478bd9Sstevel@tonic-gate extern List hdl_list[]; /* dlopen() handle list */ 4267c478bd9Sstevel@tonic-gate extern size_t syspagsz; /* system page size */ 4277c478bd9Sstevel@tonic-gate extern char *platform; /* platform name */ 4287c478bd9Sstevel@tonic-gate extern size_t platform_sz; /* platform name string size */ 4297c478bd9Sstevel@tonic-gate extern Isa_desc *isa; /* isalist descriptor */ 4307c478bd9Sstevel@tonic-gate extern Uts_desc *uts; /* utsname descriptor */ 4317c478bd9Sstevel@tonic-gate extern uint_t rtld_flags; /* status flags for RTLD */ 4327c478bd9Sstevel@tonic-gate extern uint_t rtld_flags2; /* additional status flags for RTLD */ 4337c478bd9Sstevel@tonic-gate extern Fmap *fmap; /* Initial file mapping info */ 4347c478bd9Sstevel@tonic-gate extern uint32_t pltcnt21d; /* cnt of 21d PLTs */ 4357c478bd9Sstevel@tonic-gate extern uint32_t pltcnt24d; /* cnt of 24d PLTs */ 4367c478bd9Sstevel@tonic-gate extern uint32_t pltcntu32; /* cnt of u32 PLTs */ 4377c478bd9Sstevel@tonic-gate extern uint32_t pltcntu44; /* cnt of u44 PLTs */ 4387c478bd9Sstevel@tonic-gate extern uint32_t pltcntfull; /* cnt of full PLTs */ 4397c478bd9Sstevel@tonic-gate extern uint32_t pltcntfar; /* cnt of far PLTs */ 4407c478bd9Sstevel@tonic-gate extern uchar_t search_rules[]; /* dependency search rules */ 4417c478bd9Sstevel@tonic-gate 4427c478bd9Sstevel@tonic-gate extern Fct elf_fct; /* ELF file class dependent data */ 4437c478bd9Sstevel@tonic-gate 444*02ca3e02Srie #if defined(__sparc) && !defined(__sparcv9) 4457c478bd9Sstevel@tonic-gate extern Fct aout_fct; /* a.out (4.x) file class dependent */ 4467c478bd9Sstevel@tonic-gate /* data */ 4477c478bd9Sstevel@tonic-gate #endif 4487c478bd9Sstevel@tonic-gate 4497c478bd9Sstevel@tonic-gate extern const char *locale; /* locale environment setting */ 4507c478bd9Sstevel@tonic-gate 4517c478bd9Sstevel@tonic-gate extern Config *config; /* configuration structure */ 4527c478bd9Sstevel@tonic-gate extern const char *locale; /* locale environment setting */ 4537c478bd9Sstevel@tonic-gate 4547c478bd9Sstevel@tonic-gate extern const char *rpl_audit; /* replaceable LD_AUDIT string */ 4557c478bd9Sstevel@tonic-gate extern const char *rpl_debug; /* replaceable LD_DEBUG string */ 4567c478bd9Sstevel@tonic-gate extern const char *rpl_ldflags; /* replaceable LD_FLAGS string */ 4577c478bd9Sstevel@tonic-gate extern const char *rpl_libpath; /* replaceable LD_LIBRARY string */ 4587c478bd9Sstevel@tonic-gate extern Pnode *rpl_libdirs; /* and its associated Pnode list */ 4597c478bd9Sstevel@tonic-gate extern const char *rpl_preload; /* replaceable LD_PRELOAD string */ 4607c478bd9Sstevel@tonic-gate 4617c478bd9Sstevel@tonic-gate extern const char *prm_audit; /* permanent LD_AUDIT string */ 4627c478bd9Sstevel@tonic-gate extern const char *prm_debug; /* permanent LD_DEBUG string */ 4637c478bd9Sstevel@tonic-gate extern const char *prm_ldflags; /* permanent LD_FLAGS string */ 4647c478bd9Sstevel@tonic-gate extern const char *prm_libpath; /* permanent LD_LIBRARY string */ 4657c478bd9Sstevel@tonic-gate extern Pnode *prm_libdirs; /* and its associated Pnode list */ 4667c478bd9Sstevel@tonic-gate extern const char *prm_preload; /* permanent LD_PRELOAD string */ 4677c478bd9Sstevel@tonic-gate 4687c478bd9Sstevel@tonic-gate extern uint_t env_info; /* information regarding environment */ 4697c478bd9Sstevel@tonic-gate /* variables */ 4707c478bd9Sstevel@tonic-gate extern int killsig; /* signal sent on fatal exit */ 4717c478bd9Sstevel@tonic-gate 4727c478bd9Sstevel@tonic-gate extern uint_t audit_argcnt; /* no. of stack args to copy */ 4737c478bd9Sstevel@tonic-gate extern Audit_desc *auditors; /* global auditors */ 4747c478bd9Sstevel@tonic-gate 4757c478bd9Sstevel@tonic-gate extern char **_environ; 4767c478bd9Sstevel@tonic-gate 4777c478bd9Sstevel@tonic-gate extern const char *dbg_file; /* debugging directed to a file */ 4787c478bd9Sstevel@tonic-gate 4797c478bd9Sstevel@tonic-gate extern Reglist *reglist; /* list of register symbols */ 4807c478bd9Sstevel@tonic-gate 4817c478bd9Sstevel@tonic-gate extern const Msg err_reject[]; /* rejection error message tables */ 4827c478bd9Sstevel@tonic-gate extern const Msg ldd_reject[]; 4837c478bd9Sstevel@tonic-gate 4847c478bd9Sstevel@tonic-gate extern const char *profile_name; /* object being profiled */ 4857c478bd9Sstevel@tonic-gate extern const char *profile_out; /* profile output file */ 4867c478bd9Sstevel@tonic-gate extern const char *profile_lib; /* audit library to perform profile */ 4877c478bd9Sstevel@tonic-gate 48841072f3cSrie extern Dl_argsinfo argsinfo; /* process argument, environment and */ 48941072f3cSrie /* auxv information */ 49041072f3cSrie 4917c478bd9Sstevel@tonic-gate extern const char *err_strs[]; /* diagnostic error string headers */ 4927c478bd9Sstevel@tonic-gate extern const char *nosym_str; /* MSG_GEN_NOSYM message cache */ 4937c478bd9Sstevel@tonic-gate 4947c478bd9Sstevel@tonic-gate extern ulong_t hwcap; /* hardware capabilities */ 4957c478bd9Sstevel@tonic-gate extern ulong_t sfcap; /* software capabilities */ 4967c478bd9Sstevel@tonic-gate 4977c478bd9Sstevel@tonic-gate /* 4987c478bd9Sstevel@tonic-gate * Function declarations. 4997c478bd9Sstevel@tonic-gate */ 5007c478bd9Sstevel@tonic-gate extern void addfree(void *, size_t); 5017c478bd9Sstevel@tonic-gate extern void * alist_append(Alist **, const void *, size_t, int); 5027c478bd9Sstevel@tonic-gate extern int alist_delete(Alist *, const void *, Aliste *); 5037c478bd9Sstevel@tonic-gate extern int alist_test(Alist **, void *, size_t, int); 5047c478bd9Sstevel@tonic-gate extern int append_alias(Rt_map *, const char *, int *); 5057c478bd9Sstevel@tonic-gate extern int analyze_lmc(Lm_list *, Aliste, Rt_map *); 5065aefb655Srie extern Am_ret anon_map(Lm_list *, caddr_t *, size_t, int, int); 5077c478bd9Sstevel@tonic-gate extern Fct *are_u_this(Rej_desc *, int, struct stat *, 5087c478bd9Sstevel@tonic-gate const char *); 5097c478bd9Sstevel@tonic-gate extern void atexit_fini(void); 5107c478bd9Sstevel@tonic-gate extern int bind_one(Rt_map *, Rt_map *, uint_t); 5117c478bd9Sstevel@tonic-gate extern int bufprint(Prfbuf *, const char *, ...); 5125aefb655Srie extern void call_array(Addr *, uint_t, Rt_map *, Word); 5137c478bd9Sstevel@tonic-gate extern void call_fini(Lm_list *, Rt_map **); 5147c478bd9Sstevel@tonic-gate extern void call_init(Rt_map **, int); 5157c478bd9Sstevel@tonic-gate extern int callable(Rt_map *, Rt_map *, Grp_hdl *); 5167c478bd9Sstevel@tonic-gate extern Rt_map *_caller(caddr_t, int); 5177c478bd9Sstevel@tonic-gate extern caddr_t caller(void); 5187c478bd9Sstevel@tonic-gate extern void *calloc(size_t, size_t); 5197c478bd9Sstevel@tonic-gate extern void cap_assign(Cap *, Rt_map *); 5205aefb655Srie extern const char *_conv_reloc_type(uint_t rel); 5215aefb655Srie extern uintptr_t dbg_setup(const char *, Dbg_desc *); 5227c478bd9Sstevel@tonic-gate extern const char *demangle(const char *); 5237c478bd9Sstevel@tonic-gate extern int dlclose_intn(Grp_hdl *, Rt_map *); 524*02ca3e02Srie extern int dlclose_core(Grp_hdl *, Rt_map *, Lm_list *); 5257c478bd9Sstevel@tonic-gate extern Sym *dlsym_handle(Grp_hdl *, Slookup *, Rt_map **, 5267c478bd9Sstevel@tonic-gate uint_t *); 5277c478bd9Sstevel@tonic-gate extern void *dlsym_intn(void *, const char *, Rt_map *, Rt_map **); 5287c478bd9Sstevel@tonic-gate extern Grp_hdl *dlmopen_intn(Lm_list *, const char *, int, Rt_map *, 52956d7adc6Srie uint_t, uint_t, int *); 5307c478bd9Sstevel@tonic-gate extern size_t doprf(const char *, va_list, Prfbuf *); 5317c478bd9Sstevel@tonic-gate extern int dowrite(Prfbuf *); 5327c478bd9Sstevel@tonic-gate extern void dz_init(int); 5335aefb655Srie extern caddr_t dz_map(Lm_list *, caddr_t, size_t, int, int); 5347c478bd9Sstevel@tonic-gate extern int elf_config(Rt_map *, int); 5357c478bd9Sstevel@tonic-gate extern int elf_mach_flags_check(Rej_desc *, Ehdr *); 5367c478bd9Sstevel@tonic-gate extern Rtc_obj *elf_config_ent(const char *, Word, int, const char **); 5375aefb655Srie extern Pnode *elf_config_flt(Lm_list *, const char *, const char *); 5387c478bd9Sstevel@tonic-gate extern ulong_t elf_hash(const char *); 5397c478bd9Sstevel@tonic-gate extern void elf_reloc_bad(Rt_map *, void *, uchar_t, ulong_t, 5407c478bd9Sstevel@tonic-gate ulong_t); 5417c478bd9Sstevel@tonic-gate extern ulong_t elf_reloc_relative(ulong_t, ulong_t, ulong_t, 5427c478bd9Sstevel@tonic-gate ulong_t, ulong_t, ulong_t); 5437c478bd9Sstevel@tonic-gate extern ulong_t elf_reloc_relacount(ulong_t, ulong_t, 5447c478bd9Sstevel@tonic-gate ulong_t, ulong_t); 545*02ca3e02Srie extern long elf_static_tls(Rt_map *, Sym *, void *, uchar_t, char *, 546d326b23bSrie ulong_t, long); 5477c478bd9Sstevel@tonic-gate extern int enter(void); 5487c478bd9Sstevel@tonic-gate extern uint_t expand(char **, size_t *, char **, uint_t, uint_t, 5497c478bd9Sstevel@tonic-gate Rt_map *); 5507c478bd9Sstevel@tonic-gate extern Pnode *expand_paths(Rt_map *, const char *, uint_t, uint_t); 5517c478bd9Sstevel@tonic-gate extern void free_hdl(Grp_hdl *); 5527c478bd9Sstevel@tonic-gate extern void file_notfound(Lm_list *, const char *, Rt_map *, 5537c478bd9Sstevel@tonic-gate uint_t, Rej_desc *); 5547c478bd9Sstevel@tonic-gate extern int find_path(Lm_list *, const char *, Rt_map *, uint_t, 5557c478bd9Sstevel@tonic-gate Fdesc *, Rej_desc *); 5567c478bd9Sstevel@tonic-gate extern int fpavl_insert(Lm_list *, Rt_map *, const char *, 5577c478bd9Sstevel@tonic-gate avl_index_t); 5587c478bd9Sstevel@tonic-gate extern Rt_map *fpavl_loaded(Lm_list *, const char *, avl_index_t *); 5597c478bd9Sstevel@tonic-gate extern void fpavl_remove(Rt_map *); 5607c478bd9Sstevel@tonic-gate extern size_t fullpath(Rt_map *, const char *); 5617c478bd9Sstevel@tonic-gate extern void fmap_setup(); 5627c478bd9Sstevel@tonic-gate extern void get_lcinterface(Rt_map *, Lc_interface *); 5637c478bd9Sstevel@tonic-gate extern Lmid_t get_linkmap_id(Lm_list *); 5647c478bd9Sstevel@tonic-gate extern Pnode *get_next_dir(Pnode **, Rt_map *, uint_t); 5659a411307Srie extern int hdl_add(Grp_hdl *, Rt_map *, uint_t); 5669a411307Srie extern Grp_hdl *hdl_create(Lm_list *, Rt_map *, Rt_map *, uint_t); 567*02ca3e02Srie extern int hdl_initialize(Grp_hdl *, Rt_map *, int, int); 5687c478bd9Sstevel@tonic-gate extern int hwcap_check(Rej_desc *, Ehdr *); 569*02ca3e02Srie extern Pnode *hwcap_filtees(Pnode **, Aliste, Lm_cntl *, Dyninfo *, 570*02ca3e02Srie Rt_map *, const char *, int, uint_t); 5719a411307Srie extern void is_dep_ready(Rt_map *, Rt_map *, int); 5729a411307Srie extern void is_dep_init(Rt_map *, Rt_map *); 5739a411307Srie extern int is_sym_interposer(Rt_map *, Sym *); 5749a411307Srie extern void ldso_plt_init(Rt_map *); 5757c478bd9Sstevel@tonic-gate extern Listnode *list_append(List *, const void *); 5767c478bd9Sstevel@tonic-gate extern Listnode *list_insert(List *, const void *, Listnode *); 5777c478bd9Sstevel@tonic-gate extern Listnode *list_prepend(List *, const void *); 5787c478bd9Sstevel@tonic-gate extern void list_delete(List *, void *); 5797c478bd9Sstevel@tonic-gate extern void leave(Lm_list *); 5807c478bd9Sstevel@tonic-gate extern void lm_append(Lm_list *, Aliste, Rt_map *); 5817c478bd9Sstevel@tonic-gate extern void lm_delete(Lm_list *, Rt_map *); 5827c478bd9Sstevel@tonic-gate extern void lm_move(Lm_list *, Aliste, Aliste, Lm_cntl *, 5837c478bd9Sstevel@tonic-gate Lm_cntl *); 5847c478bd9Sstevel@tonic-gate extern void load_completion(Rt_map *, Rt_map *); 5857c478bd9Sstevel@tonic-gate extern Rt_map *load_hwcap(Lm_list *, Aliste, const char *, Rt_map *, 5867c478bd9Sstevel@tonic-gate uint_t, uint_t, Grp_hdl **, Rej_desc *); 5877c478bd9Sstevel@tonic-gate extern Rt_map *load_path(Lm_list *, Aliste, const char *, Rt_map *, 5887c478bd9Sstevel@tonic-gate int, uint_t, Grp_hdl **, Fdesc *, Rej_desc *); 5897c478bd9Sstevel@tonic-gate extern Rt_map *load_one(Lm_list *, Aliste, Pnode *, Rt_map *, int, 5907c478bd9Sstevel@tonic-gate uint_t, Grp_hdl **); 5917c478bd9Sstevel@tonic-gate extern const char *load_trace(Lm_list *, const char *, Rt_map *); 5925aefb655Srie extern caddr_t nu_map(Lm_list *, caddr_t, size_t, int, int); 5937c478bd9Sstevel@tonic-gate extern void *malloc(size_t); 5947c478bd9Sstevel@tonic-gate extern void move_data(Rt_map *); 5955aefb655Srie extern int pr_open(Lm_list *); 5967c478bd9Sstevel@tonic-gate extern void rd_event(Lm_list *, rd_event_e, r_state_e); 5977c478bd9Sstevel@tonic-gate extern int readenv_user(const char **, Word *, Word *, int); 5987c478bd9Sstevel@tonic-gate extern int readenv_config(Rtc_env *, Addr, int); 5997c478bd9Sstevel@tonic-gate extern void rejection_inherit(Rej_desc *, Rej_desc *, Fdesc *); 600*02ca3e02Srie extern int relocate_lmc(Lm_list *, Aliste, Rt_map *, Rt_map *); 6017c478bd9Sstevel@tonic-gate extern int relocate_finish(Rt_map *, Alist *, int, int); 6027c478bd9Sstevel@tonic-gate extern void remove_cntl(Lm_list *, Aliste); 6037c478bd9Sstevel@tonic-gate extern int remove_hdl(Grp_hdl *, Rt_map *, int *); 604*02ca3e02Srie extern void remove_lmc(Lm_list *, Rt_map *, Lm_cntl *, Aliste, 605*02ca3e02Srie const char *); 6067c478bd9Sstevel@tonic-gate extern void remove_incomplete(Lm_list *, Aliste); 6077c478bd9Sstevel@tonic-gate extern void remove_lists(Rt_map *, int); 6087c478bd9Sstevel@tonic-gate extern void remove_lml(Lm_list *); 6097c478bd9Sstevel@tonic-gate extern void remove_pnode(Pnode *); 6107c478bd9Sstevel@tonic-gate extern void remove_rej(Rej_desc *); 6117c478bd9Sstevel@tonic-gate extern void remove_so(Lm_list *, Rt_map *); 6127c478bd9Sstevel@tonic-gate extern int rt_cond_broadcast(Rt_cond *); 6137c478bd9Sstevel@tonic-gate extern Rt_cond *rt_cond_create(void); 6147c478bd9Sstevel@tonic-gate extern int rt_cond_wait(Rt_cond *, Rt_lock *); 6157c478bd9Sstevel@tonic-gate extern int rt_bind_guard(int); 6167c478bd9Sstevel@tonic-gate extern int rt_bind_clear(int); 61710a4fa49Srie extern int rt_get_extern(Lm_list *, Rt_map *); 6187c478bd9Sstevel@tonic-gate extern int rt_mutex_lock(Rt_lock *); 6197c478bd9Sstevel@tonic-gate extern int rt_mutex_unlock(Rt_lock *); 62010a4fa49Srie extern void rt_thr_init(Lm_list *); 6217c478bd9Sstevel@tonic-gate extern thread_t rt_thr_self(void); 6225aefb655Srie extern void rtld_db_dlactivity(Lm_list *); 6235aefb655Srie extern void rtld_db_preinit(Lm_list *); 6245aefb655Srie extern void rtld_db_postinit(Lm_list *); 6257c478bd9Sstevel@tonic-gate extern void rtldexit(Lm_list *, int); 62641072f3cSrie extern int rtld_getopt(char **, char ***, auxv_t **, Word *, 62741072f3cSrie Word *, int); 6287c478bd9Sstevel@tonic-gate extern void security(uid_t, uid_t, gid_t, gid_t, int); 6297c478bd9Sstevel@tonic-gate extern void set_environ(Lm_list *); 63041072f3cSrie extern Rt_map *setup(char **, auxv_t *, Word, char *, int, char *, 6317c478bd9Sstevel@tonic-gate Dyn *, ulong_t, ulong_t, int fd, Phdr *, char *, 6327c478bd9Sstevel@tonic-gate char **, int, uid_t, uid_t, gid_t, gid_t, void *, 6337c478bd9Sstevel@tonic-gate int, uint_t); 634d326b23bSrie extern int tls_assign(Lm_list *, Rt_map *, Phdr *); 63510a4fa49Srie extern void tls_modaddrem(Rt_map *, uint_t); 63610a4fa49Srie extern int tls_statmod(Lm_list *, Rt_map *); 6377c478bd9Sstevel@tonic-gate extern Rt_map **tsort(Rt_map *, int, int); 6387c478bd9Sstevel@tonic-gate extern void unused(Lm_list *); 6397c478bd9Sstevel@tonic-gate extern int update_mode(Rt_map *, int, int); 6407c478bd9Sstevel@tonic-gate extern void zero(caddr_t, size_t); 6417c478bd9Sstevel@tonic-gate 642*02ca3e02Srie #if defined(__sparc) 6437c478bd9Sstevel@tonic-gate /* 6447c478bd9Sstevel@tonic-gate * SPARC Register symbol support. 6457c478bd9Sstevel@tonic-gate */ 6467c478bd9Sstevel@tonic-gate extern int elf_regsyms(Rt_map *); 6477c478bd9Sstevel@tonic-gate extern void set_sparc_g1(ulong_t); 6487c478bd9Sstevel@tonic-gate extern void set_sparc_g2(ulong_t); 6497c478bd9Sstevel@tonic-gate extern void set_sparc_g3(ulong_t); 6507c478bd9Sstevel@tonic-gate extern void set_sparc_g4(ulong_t); 6517c478bd9Sstevel@tonic-gate extern void set_sparc_g5(ulong_t); 6527c478bd9Sstevel@tonic-gate extern void set_sparc_g6(ulong_t); 6537c478bd9Sstevel@tonic-gate extern void set_sparc_g7(ulong_t); 654*02ca3e02Srie #endif 6557c478bd9Sstevel@tonic-gate 6567c478bd9Sstevel@tonic-gate extern long _sysconfig(int); 6577c478bd9Sstevel@tonic-gate 6587c478bd9Sstevel@tonic-gate #ifdef __cplusplus 6597c478bd9Sstevel@tonic-gate } 6607c478bd9Sstevel@tonic-gate #endif 6617c478bd9Sstevel@tonic-gate 6627c478bd9Sstevel@tonic-gate #endif /* __RTLD_H */ 663