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 */ 2156deab07SRod Evans 227c478bd9Sstevel@tonic-gate /* 237c478bd9Sstevel@tonic-gate * Copyright (c) 1988 AT&T 247c478bd9Sstevel@tonic-gate * All Rights Reserved 257c478bd9Sstevel@tonic-gate * 2656deab07SRod Evans * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 277c478bd9Sstevel@tonic-gate * Use is subject to license terms. 287c478bd9Sstevel@tonic-gate */ 297c478bd9Sstevel@tonic-gate #ifndef __RTLD_H 307c478bd9Sstevel@tonic-gate #define __RTLD_H 317c478bd9Sstevel@tonic-gate 327c478bd9Sstevel@tonic-gate /* 337c478bd9Sstevel@tonic-gate * Common header for run-time linker. 347c478bd9Sstevel@tonic-gate */ 357c478bd9Sstevel@tonic-gate #include <sys/types.h> 367c478bd9Sstevel@tonic-gate #include <sys/stat.h> 377c478bd9Sstevel@tonic-gate #include <sys/avl.h> 3856deab07SRod Evans #include <sys/mman.h> 397c478bd9Sstevel@tonic-gate #include <stdarg.h> 407c478bd9Sstevel@tonic-gate #include <synch.h> 417c478bd9Sstevel@tonic-gate #include <signal.h> 427c478bd9Sstevel@tonic-gate #include <errno.h> 437c478bd9Sstevel@tonic-gate #include <unistd.h> 447c478bd9Sstevel@tonic-gate #include <link.h> 457c478bd9Sstevel@tonic-gate #include <rtld.h> 467c478bd9Sstevel@tonic-gate #include <sgs.h> 477c478bd9Sstevel@tonic-gate #include <machdep.h> 487c478bd9Sstevel@tonic-gate #include <rtc.h> 495aefb655Srie #include <debug.h> 507c478bd9Sstevel@tonic-gate #include <msg.h> 517c478bd9Sstevel@tonic-gate #include <libc_int.h> 527c478bd9Sstevel@tonic-gate 537c478bd9Sstevel@tonic-gate #ifdef __cplusplus 547c478bd9Sstevel@tonic-gate extern "C" { 557c478bd9Sstevel@tonic-gate #endif 567c478bd9Sstevel@tonic-gate 577c478bd9Sstevel@tonic-gate /* 587c478bd9Sstevel@tonic-gate * Dependency search rule order. 597c478bd9Sstevel@tonic-gate */ 607c478bd9Sstevel@tonic-gate #define RPLENV 1 /* replaceable LD_LIBRARY_PATH */ 617c478bd9Sstevel@tonic-gate #define PRMENV 2 /* permanent LD_LIBRARY_PATH */ 627c478bd9Sstevel@tonic-gate #define RUNPATH 3 /* callers runpath */ 637c478bd9Sstevel@tonic-gate #define DEFAULT 4 /* default library path */ 647c478bd9Sstevel@tonic-gate 6556deab07SRod Evans typedef struct fdesc Fdesc; 6656deab07SRod Evans typedef struct fct Fct; 6756deab07SRod Evans typedef struct pdesc Pdesc; 687c478bd9Sstevel@tonic-gate 697c478bd9Sstevel@tonic-gate /* 707c478bd9Sstevel@tonic-gate * Data structure for file class specific functions and data. 717c478bd9Sstevel@tonic-gate */ 7256deab07SRod Evans struct fct { 7356deab07SRod Evans /* Verify that the object is of this class. */ 7456deab07SRod Evans Fct *(*fct_verify_file)(caddr_t, size_t, Fdesc *, const char *, 7556deab07SRod Evans Rej_desc *); 7656deab07SRod Evans 7756deab07SRod Evans /* Generate a link-map to describe the loaded object. */ 7856deab07SRod Evans Rt_map *(*fct_new_lmp)(Lm_list *, Aliste, Fdesc *, Addr, size_t, 7956deab07SRod Evans void *, int *); 8056deab07SRod Evans 8156deab07SRod Evans /* Retrieve the entry point of the object. */ 8256deab07SRod Evans Addr (*fct_entry_pt)(void); 8356deab07SRod Evans 8456deab07SRod Evans /* Determine the objects dependencies (needed entries). */ 859aa23310Srie int (*fct_needed)(Lm_list *, Aliste, Rt_map *, int *); 8656deab07SRod Evans 8756deab07SRod Evans /* Look up a symbol for the object. */ 889aa23310Srie Sym *(*fct_lookup_sym)(Slookup *, Rt_map **, uint_t *, int *); 897c478bd9Sstevel@tonic-gate 9056deab07SRod Evans /* Relocate the object. */ 9156deab07SRod Evans int (*fct_reloc)(Rt_map *, uint_t, int *, APlist **); 927c478bd9Sstevel@tonic-gate 9356deab07SRod Evans /* List of default directories to search for dependencies. */ 9456deab07SRod Evans Alist **(*fct_get_def_dirs)(void); 9556deab07SRod Evans 9656deab07SRod Evans /* List of secure directories to search for dependencies. */ 9756deab07SRod Evans Alist **(*fct_get_sec_dirs)(void); 987c478bd9Sstevel@tonic-gate 9956deab07SRod Evans /* Transpose the name of the object. */ 10056deab07SRod Evans int (*fct_fix_name)(const char *, Rt_map *, Alist **, Aliste, 10156deab07SRod Evans uint_t); 10256deab07SRod Evans 10356deab07SRod Evans /* Get a shared object name */ 10456deab07SRod Evans char *(*fct_get_so)(const char *, const char *, size_t, size_t); 10556deab07SRod Evans 10656deab07SRod Evans /* Retrieve a symbolic address from the object. */ 10756deab07SRod Evans void (*fct_dladdr)(ulong_t, Rt_map *, Dl_info *, void **, int); 10856deab07SRod Evans 10956deab07SRod Evans /* Process a dlsym(3c) request within the object. */ 11056deab07SRod Evans Sym *(*fct_dlsym)(Grp_hdl *, Slookup *, Rt_map **, uint_t *, 11156deab07SRod Evans int *); 11256deab07SRod Evans }; 1137c478bd9Sstevel@tonic-gate 1147c478bd9Sstevel@tonic-gate /* 1157c478bd9Sstevel@tonic-gate * Macros for getting to the file class table. 1167c478bd9Sstevel@tonic-gate */ 1177c478bd9Sstevel@tonic-gate #define LM_ENTRY_PT(X) ((X)->rt_fct->fct_entry_pt) 1187c478bd9Sstevel@tonic-gate #define LM_NEEDED(X) ((X)->rt_fct->fct_needed) 1197c478bd9Sstevel@tonic-gate #define LM_LOOKUP_SYM(X) ((X)->rt_fct->fct_lookup_sym) 1207c478bd9Sstevel@tonic-gate #define LM_RELOC(X) ((X)->rt_fct->fct_reloc) 12156deab07SRod Evans #define LM_DEFAULT_DIRS(X) ((X)->rt_fct->fct_get_def_dirs) 12256deab07SRod Evans #define LM_SECURE_DIRS(X) ((X)->rt_fct->fct_get_sec_dirs) 1237c478bd9Sstevel@tonic-gate #define LM_FIX_NAME(X) ((X)->rt_fct->fct_fix_name) 1247c478bd9Sstevel@tonic-gate #define LM_GET_SO(X) ((X)->rt_fct->fct_get_so) 1257c478bd9Sstevel@tonic-gate #define LM_DLADDR(X) ((X)->rt_fct->fct_dladdr) 1267c478bd9Sstevel@tonic-gate #define LM_DLSYM(X) ((X)->rt_fct->fct_dlsym) 1277c478bd9Sstevel@tonic-gate 12856deab07SRod Evans /* 12956deab07SRod Evans * Initial memory map allocation. Typical ELF objects contain a text and data 13056deab07SRod Evans * segment, which can be augmented with a bss mapping. Add a bunch more for 13156deab07SRod Evans * luck. 13256deab07SRod Evans */ 13356deab07SRod Evans #define MMAPFD_NUM 10 1347c478bd9Sstevel@tonic-gate 1357c478bd9Sstevel@tonic-gate /* 13656deab07SRod Evans * Define Alist initialization counts. 1377c478bd9Sstevel@tonic-gate */ 13856deab07SRod Evans #define AL_CNT_ALIAS 2 /* ALIAS() */ 139a4bc8592SRod Evans #define AL_CNT_DEPENDS 20 /* DEPENDS() */ 140a4bc8592SRod Evans #define AL_CNT_CALLERS 20 /* CALLERS() */ 14156deab07SRod Evans #define AL_CNT_GROUPS 4 /* GROUPS() */ 14256deab07SRod Evans #define AL_CNT_COPYREL 10 /* COPY() */ 14356deab07SRod Evans #define AL_CNT_LAZYFIND 10 /* elf_lazy_find_sym() */ 14456deab07SRod Evans #define AL_CNT_GRPCLCT 10 /* gdp_collect() */ 14556deab07SRod Evans #define AL_CNT_DEPCLCT 10 /* load_finish() */ 14656deab07SRod Evans #define AL_CNT_RTLDINFO 1 /* RTLDINFO() */ 14756deab07SRod Evans #define AL_CNT_FPNODE 4 /* FPNODE() */ 148*481bba9eSRod Evans #define AL_CNT_LMLISTS 20 /* lm_lists */ 14956deab07SRod Evans #define AL_CNT_LMNOW 8 /* lm_now */ 15056deab07SRod Evans #define AL_CNT_RELBIND 20 /* relocation binding */ 15156deab07SRod Evans #define AL_CNT_ACTAUDIT 2 /* lm_actaudit */ 15256deab07SRod Evans #define AL_CNT_MOVES 10 /* move_data */ 15356deab07SRod Evans #define AL_CNT_MPOBJS 4 /* elf_obj_file() */ 15456deab07SRod Evans #define AL_CNT_TEXTREL 2 /* text relocation segment */ 15556deab07SRod Evans #define AL_CNT_NEEDED 1 /* dependency path */ 15656deab07SRod Evans #define AL_CNT_SEARCH 4 /* search path */ 15756deab07SRod Evans #define AL_CNT_FILTEES 2 /* filtee path */ 15856deab07SRod Evans #define AL_CNT_HANDLES 1 /* hdl_list[] */ 159a4bc8592SRod Evans #define AL_CNT_FREELIST 80 /* free_alp */ 16056deab07SRod Evans #define AL_CNT_HWCAP 10 /* hwcap candidate */ 16156deab07SRod Evans #define AL_CNT_SPATH 4 /* search path */ 1627c478bd9Sstevel@tonic-gate 1637c478bd9Sstevel@tonic-gate /* 1647c478bd9Sstevel@tonic-gate * Size of buffer for building error messages. 1657c478bd9Sstevel@tonic-gate */ 1667c478bd9Sstevel@tonic-gate #define ERRSIZE 2048 /* MAXPATHLEN * 2 */ 1677c478bd9Sstevel@tonic-gate 1687c478bd9Sstevel@tonic-gate /* 1697c478bd9Sstevel@tonic-gate * Configuration file information. 1707c478bd9Sstevel@tonic-gate */ 1717c478bd9Sstevel@tonic-gate typedef struct config { 1727c478bd9Sstevel@tonic-gate const char *c_name; 1737c478bd9Sstevel@tonic-gate Addr c_bgn; 1747c478bd9Sstevel@tonic-gate Addr c_end; 1757c478bd9Sstevel@tonic-gate Word *c_hashtbl; 1767c478bd9Sstevel@tonic-gate Word *c_hashchain; 1777c478bd9Sstevel@tonic-gate const char *c_strtbl; 1787c478bd9Sstevel@tonic-gate Rtc_obj *c_objtbl; 1797c478bd9Sstevel@tonic-gate Rtc_fltr *c_fltr; 1807c478bd9Sstevel@tonic-gate Rtc_flte *c_flte; 1817c478bd9Sstevel@tonic-gate } Config; 1827c478bd9Sstevel@tonic-gate 1837c478bd9Sstevel@tonic-gate /* 1847c478bd9Sstevel@tonic-gate * Register symbol list. 1857c478bd9Sstevel@tonic-gate */ 1867c478bd9Sstevel@tonic-gate typedef struct reglist { 1877c478bd9Sstevel@tonic-gate Rt_map *rl_lmp; /* defining object */ 1887c478bd9Sstevel@tonic-gate Sym *rl_sym; /* regsym */ 1897c478bd9Sstevel@tonic-gate struct reglist *rl_next; /* next entry */ 1907c478bd9Sstevel@tonic-gate } Reglist; 1917c478bd9Sstevel@tonic-gate 1927c478bd9Sstevel@tonic-gate /* 1937c478bd9Sstevel@tonic-gate * Data structure to hold interpreter information. 1947c478bd9Sstevel@tonic-gate */ 1957c478bd9Sstevel@tonic-gate typedef struct interp { 1967c478bd9Sstevel@tonic-gate char *i_name; /* interpreter name */ 1977c478bd9Sstevel@tonic-gate caddr_t i_faddr; /* address interpreter is mapped at */ 1987c478bd9Sstevel@tonic-gate } Interp; 1997c478bd9Sstevel@tonic-gate 2007c478bd9Sstevel@tonic-gate /* 2017c478bd9Sstevel@tonic-gate * Data structure used to keep track of copy relocations. These relocations 2027c478bd9Sstevel@tonic-gate * are collected during initial relocation processing and maintained on the 2037c478bd9Sstevel@tonic-gate * COPY(lmp) list of the defining object. Each copy list is also added to the 2047c478bd9Sstevel@tonic-gate * COPY(lmp) of the head object (normally the application dynamic executable) 2057c478bd9Sstevel@tonic-gate * from which they will be processed after all relocations are done. 2067c478bd9Sstevel@tonic-gate * 2077c478bd9Sstevel@tonic-gate * The use of RTLD_GROUP will also reference individual objects COPY(lmp) lists 2087c478bd9Sstevel@tonic-gate * in case a bound symbol must be assigned to it actual copy relocation. 2097c478bd9Sstevel@tonic-gate */ 2107c478bd9Sstevel@tonic-gate typedef struct { 2117c478bd9Sstevel@tonic-gate const char *r_name; /* symbol name */ 2127c478bd9Sstevel@tonic-gate Sym *r_rsym; /* reference symbol table entry */ 2137c478bd9Sstevel@tonic-gate Rt_map *r_rlmp; /* reference link map */ 2147c478bd9Sstevel@tonic-gate Rt_map *r_dlmp; /* definition link map */ 2157c478bd9Sstevel@tonic-gate Sym *r_dsym; /* definition symbol table entry */ 2167c478bd9Sstevel@tonic-gate void *r_radd; /* copy to address */ 2177c478bd9Sstevel@tonic-gate const void *r_dadd; /* copy from address */ 2187c478bd9Sstevel@tonic-gate ulong_t r_size; /* copy size bytes */ 2197c478bd9Sstevel@tonic-gate } Rel_copy; 2207c478bd9Sstevel@tonic-gate 2217c478bd9Sstevel@tonic-gate /* 2227c478bd9Sstevel@tonic-gate * Define a file descriptor, which maintains information regarding a pathname 2237c478bd9Sstevel@tonic-gate * that has been opened and minimally inspected. 2247c478bd9Sstevel@tonic-gate */ 22556deab07SRod Evans struct fdesc { 2267c478bd9Sstevel@tonic-gate Rt_map *fd_lmp; /* existing link-map pointer */ 2277c478bd9Sstevel@tonic-gate Fct *fd_ftp; /* file functions pointer */ 2287c478bd9Sstevel@tonic-gate const char *fd_oname; /* original file name */ 2297c478bd9Sstevel@tonic-gate const char *fd_odir; /* original directory name */ 2307c478bd9Sstevel@tonic-gate const char *fd_nname; /* new file (expanded) name */ 2317c478bd9Sstevel@tonic-gate const char *fd_pname; /* new path (resolved) name */ 2327c478bd9Sstevel@tonic-gate dev_t fd_dev; /* file device number */ 233cb511613SAli Bahrami rtld_ino_t fd_ino; /* file inode number */ 2347c478bd9Sstevel@tonic-gate uint_t fd_flags; 2357c478bd9Sstevel@tonic-gate avl_index_t fd_avlwhere; /* avl tree insertion index */ 23656deab07SRod Evans Xword fd_hwcap; /* hardware capabilities value */ 23756deab07SRod Evans mmapobj_result_t *fd_mapp; /* mapping pointer */ 23856deab07SRod Evans uint_t fd_mapn; /* mapping number */ 23956deab07SRod Evans }; 2407c478bd9Sstevel@tonic-gate 24156deab07SRod Evans #define FLG_FD_ALTER 0x0001 /* file is an alternate */ 24256deab07SRod Evans #define FLG_FD_SLASH 0x0002 /* file contains a "/" */ 24356deab07SRod Evans #define FLG_FD_RESOLVED 0x0004 /* fd_nname has been resolved */ 2447c478bd9Sstevel@tonic-gate 2457c478bd9Sstevel@tonic-gate /* 2467c478bd9Sstevel@tonic-gate * File descriptor availability flag. 2477c478bd9Sstevel@tonic-gate */ 2487c478bd9Sstevel@tonic-gate #define FD_UNAVAIL -1 2497c478bd9Sstevel@tonic-gate 2507c478bd9Sstevel@tonic-gate /* 2517c478bd9Sstevel@tonic-gate * Disabled filter flag. Filter objects are referenced using their .dynamic 2527c478bd9Sstevel@tonic-gate * index (DT_FILTER or DT_AUXILIARY). This index is saved and used to lookup 2537c478bd9Sstevel@tonic-gate * the required filter. Note that 0 is a valid .dynamic index. The caller's 2547c478bd9Sstevel@tonic-gate * OBJFLTRNDX() element is initialized using the following flag, and should 2557c478bd9Sstevel@tonic-gate * the filter's initialization fail, is reset to this value to indicate the 2567c478bd9Sstevel@tonic-gate * filter is disabled. UINT_MAX provides a convenient invalid .dynamic index. 2577c478bd9Sstevel@tonic-gate */ 2587c478bd9Sstevel@tonic-gate #define FLTR_DISABLED UINT_MAX 2597c478bd9Sstevel@tonic-gate 2607c478bd9Sstevel@tonic-gate /* 2617c478bd9Sstevel@tonic-gate * Status flags for rtld_flags 2627c478bd9Sstevel@tonic-gate */ 2637c478bd9Sstevel@tonic-gate #define RT_FL_THREADS 0x00000001 /* threads are enabled */ 2647c478bd9Sstevel@tonic-gate #define RT_FL_WARNFLTR 0x00000002 /* warn of missing filtees (ldd) */ 2657c478bd9Sstevel@tonic-gate #define RT_FL_DBNOTIF 0x00000004 /* binding activity going on */ 2667c478bd9Sstevel@tonic-gate 2677c478bd9Sstevel@tonic-gate #define RT_FL_NOBIND 0x00000010 /* don't carry out plt binding */ 2687c478bd9Sstevel@tonic-gate #define RT_FL_NOVERSION 0x00000020 /* disable version checking */ 2697c478bd9Sstevel@tonic-gate #define RT_FL_SECURE 0x00000040 /* setuid/segid flag */ 2707c478bd9Sstevel@tonic-gate #define RT_FL_APPLIC 0x00000080 /* are we executing user code */ 27156deab07SRod Evans 2727c478bd9Sstevel@tonic-gate #define RT_FL_CONFGEN 0x00000200 /* don't relocate initiating object */ 2737c478bd9Sstevel@tonic-gate /* set by crle(1). */ 2747c478bd9Sstevel@tonic-gate #define RT_FL_CONFAPP 0x00000400 /* application specific configuration */ 2757c478bd9Sstevel@tonic-gate /* cache required */ 2767c478bd9Sstevel@tonic-gate #define RT_FL_DEBUGGER 0x00000800 /* a debugger is monitoring us */ 2779aa23310Srie #define RT_FL_OPERATION 0x00001000 /* start recording operations */ 2787c478bd9Sstevel@tonic-gate #define RT_FL_NEWLOCALE 0x00002000 /* message locale has changed */ 2797c478bd9Sstevel@tonic-gate #define RT_FL_NOBAPLT 0x00004000 /* sparc: don't use ba plt's */ 2807c478bd9Sstevel@tonic-gate #define RT_FL_NOAUXFLTR 0x00008000 /* disable auxiliary filters */ 28156deab07SRod Evans 2827c478bd9Sstevel@tonic-gate #define RT_FL_NOAUDIT 0x00020000 /* disable auditing */ 2837c478bd9Sstevel@tonic-gate #define RT_FL_ATEXIT 0x00040000 /* we're shutting down */ 2847c478bd9Sstevel@tonic-gate #define RT_FL_SILENCERR 0x00080000 /* silence error messages */ 28556deab07SRod Evans 2867c478bd9Sstevel@tonic-gate #define RT_FL_INITFIRST 0x00200000 /* processing a DT_INITFIRST object */ 28756deab07SRod Evans 2887c478bd9Sstevel@tonic-gate #define RT_FL_DEMANGLE 0x01000000 /* demangle C++ symbol names */ 2897c478bd9Sstevel@tonic-gate #define RT_FL_NOCFG 0x02000000 /* disable config file use */ 2907c478bd9Sstevel@tonic-gate #define RT_FL_NODIRCFG 0x04000000 /* disable directory config use */ 2917c478bd9Sstevel@tonic-gate #define RT_FL_NOOBJALT 0x08000000 /* disable object alternative use */ 2927c478bd9Sstevel@tonic-gate #define RT_FL_NOENVCFG 0x10000000 /* disable config envars use */ 2937c478bd9Sstevel@tonic-gate #define RT_FL_DIRCFG 0x20000000 /* directory config info available */ 2947c478bd9Sstevel@tonic-gate #define RT_FL_OBJALT 0x40000000 /* object alternatives are available */ 2957c478bd9Sstevel@tonic-gate #define RT_FL_MEMRESV 0x80000000 /* memory reservation established */ 2967c478bd9Sstevel@tonic-gate 2977c478bd9Sstevel@tonic-gate /* 2987c478bd9Sstevel@tonic-gate * Status flags for rtld_flags2 2997c478bd9Sstevel@tonic-gate */ 3005aefb655Srie #define RT_FL2_HASAUDIT 0x00000001 /* auditing lm_list is present */ 3017c478bd9Sstevel@tonic-gate #define RT_FL2_RTLDSEEN 0x00000002 /* rtldinfo has been set */ 3025aefb655Srie #define RT_FL2_UNIFPROC 0x00000004 /* libc/libthread unified environment */ 30356deab07SRod Evans 3047c478bd9Sstevel@tonic-gate #define RT_FL2_NOFLTCFG 0x00000010 /* disable config filter use */ 3057c478bd9Sstevel@tonic-gate #define RT_FL2_FLTCFG 0x00000020 /* filter config info available */ 3067c478bd9Sstevel@tonic-gate #define RT_FL2_HWCAP 0x00000040 /* hardware capabilities available */ 3077c478bd9Sstevel@tonic-gate #define RT_FL2_FTL2WARN 0x00000080 /* convert fatal to warning messages */ 3087c478bd9Sstevel@tonic-gate #define RT_FL2_BINDNOW 0x00000100 /* LD_BIND_NOW in effect */ 309dffec89cSrie #define RT_FL2_BINDLAZY 0x00000200 /* disable RTLD_NOW (and LD_BIND_NOW) */ 31010a4fa49Srie #define RT_FL2_PLMSETUP 0x00000400 /* primary link-map set up complete */ 3119aa23310Srie #define RT_FL2_BRANDED 0x00000800 /* process is branded */ 3129aa23310Srie #define RT_FL2_NOPLM 0x00001000 /* process has no primary link map */ 3133dbfc803SRod Evans #define RT_FL2_SETUID 0x00002000 /* ld.so.1 is setuid root */ 314bebb829dSRod Evans #define RT_FL2_ADDR32 0x00004000 /* 32-bit address space requirement */ 3157c478bd9Sstevel@tonic-gate 3167c478bd9Sstevel@tonic-gate /* 3177c478bd9Sstevel@tonic-gate * Information flags for env_info. 3187c478bd9Sstevel@tonic-gate */ 3197c478bd9Sstevel@tonic-gate #define ENV_INF_PATHCFG 0x00000001 /* replaceable LD_LIBRARY_PATH */ 3207c478bd9Sstevel@tonic-gate /* originates from configuration */ 3217c478bd9Sstevel@tonic-gate /* file */ 3227c478bd9Sstevel@tonic-gate #define ENV_INF_FLAGCFG 0x00000002 /* replaceable LD_FLAGS originates */ 3237c478bd9Sstevel@tonic-gate /* from configuration file */ 3247c478bd9Sstevel@tonic-gate 3257c478bd9Sstevel@tonic-gate /* 32610a4fa49Srie * RTLDINFO descriptor. 32710a4fa49Srie */ 32810a4fa49Srie typedef struct { 32910a4fa49Srie Rt_map *rti_lmp; /* RTLDINFO provider */ 33010a4fa49Srie Lc_interface *rti_info; /* RTLDINFO data */ 33110a4fa49Srie } Rti_desc; 33210a4fa49Srie 33310a4fa49Srie /* 33456deab07SRod Evans * Binding flags for the rt_bind_guard()/rt_bind_clear() routines. 3358cd45542Sraf * These are defined in usr/src/lib/libc/inc/libc_int.h in the 3368cd45542Sraf * latest version of the libc/rtld runtime interface (CI_V_FIVE). 3377c478bd9Sstevel@tonic-gate */ 3388cd45542Sraf #if !defined(CI_V_FIVE) 33956deab07SRod Evans #define THR_FLG_RTLD 0x00000001 /* rtldlock bind guard flag */ 3408cd45542Sraf #define THR_FLG_NOLOCK 0x00000000 /* no-op before CI_V_FIVE */ 3418cd45542Sraf #define THR_FLG_REENTER 0x00000000 /* no-op before CI_V_FIVE */ 3428cd45542Sraf #endif 3437c478bd9Sstevel@tonic-gate 3449aa23310Srie #define ROUND(x, a) (((int)(x) + ((int)(a) - 1)) & ~((int)(a) - 1)) 3457c478bd9Sstevel@tonic-gate 3467c478bd9Sstevel@tonic-gate /* 3477c478bd9Sstevel@tonic-gate * Print buffer. 3487c478bd9Sstevel@tonic-gate */ 3497c478bd9Sstevel@tonic-gate typedef struct { 3507c478bd9Sstevel@tonic-gate char *pr_buf; /* pointer to beginning of buffer */ 3517c478bd9Sstevel@tonic-gate char *pr_cur; /* pointer to next free char in buffer */ 3527c478bd9Sstevel@tonic-gate size_t pr_len; /* buffer size */ 3537c478bd9Sstevel@tonic-gate int pr_fd; /* output fd */ 3547c478bd9Sstevel@tonic-gate } Prfbuf; 3557c478bd9Sstevel@tonic-gate 3567c478bd9Sstevel@tonic-gate /* 35756deab07SRod Evans * Path name descriptor. Used to construct various path names such as search 35856deab07SRod Evans * paths, dependency paths, filter paths etc. The pd_info element can be used 35956deab07SRod Evans * to hold various pointers, like Grp_hdl, Rtc_obj, etc. 3607c478bd9Sstevel@tonic-gate */ 36156deab07SRod Evans struct pdesc { 36256deab07SRod Evans const char *pd_pname; /* path name - may be expanded */ 36356deab07SRod Evans const char *pd_oname; /* original name - unexpanded */ 36456deab07SRod Evans void *pd_info; /* possible auxiliary information */ 36556deab07SRod Evans size_t pd_plen; /* path name length */ 36656deab07SRod Evans uint_t pd_flags; /* descriptor specific flags */ 36756deab07SRod Evans }; 3687c478bd9Sstevel@tonic-gate 3697c478bd9Sstevel@tonic-gate /* 37056deab07SRod Evans * Path name descriptors are passed to expand_path() and expand(). These 37156deab07SRod Evans * routines break down possible multiple path strings (separated with ":"), 37256deab07SRod Evans * and perform any reserved token expansion. These routines are passed 37356deab07SRod Evans * information that indicates the use of the path, for example, search paths, 37456deab07SRod Evans * i.e., LD_LIBRARY_PATH, RPATHS, etc. are defined using la_objsearch() 37556deab07SRod Evans * information (see LA_SER flags in link.h). This information is recorded in 37656deab07SRod Evans * the pd_flags field for later use. 37756deab07SRod Evans * 37856deab07SRod Evans * Define expansion path tokens. These are used to prevent various expansions 37956deab07SRod Evans * from occurring, and record those expansions that do. Any expansion 38056deab07SRod Evans * information is also recorded in the pd_flags field, and thus is or'd 38156deab07SRod Evans * together with any LA_SER flags. 38256deab07SRod Evans */ 38356deab07SRod Evans #define PD_TKN_ORIGIN 0x00001000 /* $ORIGIN expansion has occurred */ 38456deab07SRod Evans #define PD_TKN_PLATFORM 0x00002000 /* $PLATFORM expansion has occurred */ 38556deab07SRod Evans #define PD_TKN_OSNAME 0x00004000 /* $OSNAME expansion has occurred */ 38656deab07SRod Evans #define PD_TKN_OSREL 0x00008000 /* $OSREL expansion has occurred */ 38756deab07SRod Evans #define PD_TKN_ISALIST 0x00010000 /* $ISALIST expansion has occurred */ 38856deab07SRod Evans #define PD_TKN_HWCAP 0x00020000 /* $HWCAP expansion has occurred */ 38956deab07SRod Evans #define PD_TKN_RESOLVED 0x00040000 /* resolvepath() expansion has */ 39056deab07SRod Evans /* occurred */ 39156deab07SRod Evans #define PD_MSK_EXPAND 0x000ff000 /* mask for all expansions */ 39256deab07SRod Evans 39356deab07SRod Evans /* 39456deab07SRod Evans * Define additional path information. These definitions extend the path 39556deab07SRod Evans * information, and may be passed into expand_path(), or set internally, or 39656deab07SRod Evans * inherited from expand(). These definitions are or'd together with any 39756deab07SRod Evans * LA_SER_ flags and PD_TKN_ flags. 39856deab07SRod Evans */ 39956deab07SRod Evans #define PD_FLG_PNSLASH 0x00100000 /* pd_pname contains a slash */ 40056deab07SRod Evans #define PD_FLG_DUPLICAT 0x00200000 /* path is a duplicate */ 40156deab07SRod Evans #define PD_FLG_EXTLOAD 0x00400000 /* path defines extra loaded objects */ 4027c478bd9Sstevel@tonic-gate /* (preload, audit etc.) */ 40356deab07SRod Evans #define PD_FLG_UNIQUE 0x00800000 /* ensure path is unique */ 40456deab07SRod Evans #define PD_FLG_USED 0x01000000 /* indicate that path is used */ 40556deab07SRod Evans #define PD_FLG_FULLPATH 0x02000000 /* ensure path is a full path */ 4067c478bd9Sstevel@tonic-gate 40756deab07SRod Evans #define PD_MSK_INHERIT 0x0ffff000 /* mask for pd_flags incorporation */ 4087c478bd9Sstevel@tonic-gate 4097c478bd9Sstevel@tonic-gate /* 41056deab07SRod Evans * Additional token expansion information. Although these flags may be set 41156deab07SRod Evans * within a token data item return from expand(), they are masked off with 41256deab07SRod Evans * PD_MSK_INHERIT prior to any expansion information being recorded in a path 41356deab07SRod Evans * name descriptor for later diagnostics. 41456deab07SRod Evans */ 41556deab07SRod Evans #define TKN_NONE 0x00000001 /* no token expansion has occurred */ 41656deab07SRod Evans #define TKN_DOTSLASH 0x00000002 /* path contains a "./" */ 41756deab07SRod Evans 41856deab07SRod Evans /* 41956deab07SRod Evans * dlopen() handle list size. 4207c478bd9Sstevel@tonic-gate */ 42156deab07SRod Evans #define HDLIST_SZ 101 /* prime no. for hashing */ 42256deab07SRod Evans #define HDLIST_ORP 102 /* orphan handle list */ 4237c478bd9Sstevel@tonic-gate 42456deab07SRod Evans /* 42556deab07SRod Evans * Define a path name search descriptor. This "cookie" maintains state as 42656deab07SRod Evans * search paths are processed with get_next_dir(). Note, the path list is an 42756deab07SRod Evans * indirect pointer, as search paths can be reevaluated for secure applications 42856deab07SRod Evans * to provide better error diagnostics. 42956deab07SRod Evans */ 43056deab07SRod Evans typedef struct { 43156deab07SRod Evans uchar_t *sp_rule; /* present search rule */ 43256deab07SRod Evans Alist **sp_dalpp; /* present path list within rule */ 43356deab07SRod Evans Aliste sp_idx; /* present index within path list */ 43456deab07SRod Evans } Spath_desc; 4357c478bd9Sstevel@tonic-gate 4369aa23310Srie /* 43756deab07SRod Evans * Define a path name definition descriptor. Used to maintain initial ELF and 43856deab07SRod Evans * AOUT path name definitions. 4399aa23310Srie */ 44056deab07SRod Evans typedef struct { 44156deab07SRod Evans const char *sd_name; /* path name */ 44256deab07SRod Evans size_t sd_len; /* path name size */ 44356deab07SRod Evans } Spath_defn; 4447c478bd9Sstevel@tonic-gate 4457c478bd9Sstevel@tonic-gate /* 4467c478bd9Sstevel@tonic-gate * Define _caller flags. 4477c478bd9Sstevel@tonic-gate */ 4487c478bd9Sstevel@tonic-gate #define CL_NONE 0 4497c478bd9Sstevel@tonic-gate #define CL_EXECDEF 1 /* supply the executable as a default */ 4507c478bd9Sstevel@tonic-gate /* if the caller can't be determined */ 4517c478bd9Sstevel@tonic-gate 4527c478bd9Sstevel@tonic-gate /* 45337ffaf83SRod Evans * Binding information flags. These flags are passed up from low level binding 45437ffaf83SRod Evans * routines to indicate "additional" information, such as why a binding has been 45537ffaf83SRod Evans * rejected. These flags use the same data element as is used to record any 45637ffaf83SRod Evans * DBG_BINFO flags. The DBG_BINFO flags are used to define the final bindings 45737ffaf83SRod Evans * information and are used to provide better binding diagnostics. 4587c478bd9Sstevel@tonic-gate */ 45937ffaf83SRod Evans #define BINFO_REJDIRECT 0x010000 /* reject a direct binding */ 46037ffaf83SRod Evans #define BINFO_REJSINGLE 0x100000 /* reject a singleton binding */ 46137ffaf83SRod Evans #define BINFO_REJGROUP 0x200000 /* reject a group binding */ 46237ffaf83SRod Evans 46337ffaf83SRod Evans #define BINFO_MSK_TRYAGAIN 0xf00000 /* a mask of bindings that */ 46437ffaf83SRod Evans /* should be retried */ 46537ffaf83SRod Evans #define BINFO_MSK_REJECTED 0xff0000 /* a mask of bindings that */ 46637ffaf83SRod Evans /* have been rejected */ 467cb511613SAli Bahrami 468cb511613SAli Bahrami /* 469cb511613SAli Bahrami * The 32-bit version of rtld uses special stat() wrapper functions 470cb511613SAli Bahrami * that preserve the non-largefile semantics of stat()/fstat() while 471cb511613SAli Bahrami * allowing for large inode values. The 64-bit rtld uses stat() directly. 472cb511613SAli Bahrami */ 473cb511613SAli Bahrami #ifdef _LP64 474cb511613SAli Bahrami #define rtld_fstat fstat 475cb511613SAli Bahrami #define rtld_stat stat 476cb511613SAli Bahrami typedef struct stat rtld_stat_t; 477cb511613SAli Bahrami #else 478cb511613SAli Bahrami typedef struct { 479cb511613SAli Bahrami dev_t st_dev; 480cb511613SAli Bahrami rtld_ino_t st_ino; 481cb511613SAli Bahrami mode_t st_mode; 482cb511613SAli Bahrami uid_t st_uid; 483cb511613SAli Bahrami off_t st_size; 484cb511613SAli Bahrami timestruc_t st_mtim; 485cb511613SAli Bahrami #ifdef sparc 486cb511613SAli Bahrami blksize_t st_blksize; 487cb511613SAli Bahrami #endif 488cb511613SAli Bahrami } rtld_stat_t; 489cb511613SAli Bahrami #endif 490cb511613SAli Bahrami 491cb511613SAli Bahrami 4927c478bd9Sstevel@tonic-gate /* 4937c478bd9Sstevel@tonic-gate * Data declarations. 4947c478bd9Sstevel@tonic-gate */ 49510a4fa49Srie extern Lc_desc glcs[]; /* global external interfaces */ 49610a4fa49Srie 4978cd45542Sraf extern Rt_lock rtldlock; /* rtld lock */ 4988cd45542Sraf extern int thr_flg_nolock; 4998cd45542Sraf extern int thr_flg_reenter; 5007c478bd9Sstevel@tonic-gate 5017c478bd9Sstevel@tonic-gate extern List dynlm_list; /* dynamic list of link-maps */ 5027c478bd9Sstevel@tonic-gate extern char **environ; /* environ pointer */ 5037c478bd9Sstevel@tonic-gate 5047c478bd9Sstevel@tonic-gate extern int dyn_plt_ent_size; /* Size of dynamic plt's */ 5057c478bd9Sstevel@tonic-gate extern ulong_t at_flags; /* machine specific file flags */ 50641072f3cSrie extern const char *procname; /* file name of executing process */ 5077c478bd9Sstevel@tonic-gate extern Rtld_db_priv r_debug; /* debugging information */ 5087c478bd9Sstevel@tonic-gate extern char *lasterr; /* string describing last error */ 5097c478bd9Sstevel@tonic-gate extern Interp *interp; /* ELF executable interpreter info */ 51041072f3cSrie extern const char *rtldname; /* name of the dynamic linker */ 51156deab07SRod Evans extern APlist *hdl_alp[]; /* dlopen() handle list */ 5127c478bd9Sstevel@tonic-gate extern size_t syspagsz; /* system page size */ 5137c478bd9Sstevel@tonic-gate extern char *platform; /* platform name */ 5147c478bd9Sstevel@tonic-gate extern size_t platform_sz; /* platform name string size */ 5157c478bd9Sstevel@tonic-gate extern Isa_desc *isa; /* isalist descriptor */ 5167c478bd9Sstevel@tonic-gate extern Uts_desc *uts; /* utsname descriptor */ 5177c478bd9Sstevel@tonic-gate extern uint_t rtld_flags; /* status flags for RTLD */ 5187c478bd9Sstevel@tonic-gate extern uint_t rtld_flags2; /* additional status flags for RTLD */ 5197c478bd9Sstevel@tonic-gate extern uint32_t pltcnt21d; /* cnt of 21d PLTs */ 5207c478bd9Sstevel@tonic-gate extern uint32_t pltcnt24d; /* cnt of 24d PLTs */ 5217c478bd9Sstevel@tonic-gate extern uint32_t pltcntu32; /* cnt of u32 PLTs */ 5227c478bd9Sstevel@tonic-gate extern uint32_t pltcntu44; /* cnt of u44 PLTs */ 5237c478bd9Sstevel@tonic-gate extern uint32_t pltcntfull; /* cnt of full PLTs */ 5247c478bd9Sstevel@tonic-gate extern uint32_t pltcntfar; /* cnt of far PLTs */ 5257c478bd9Sstevel@tonic-gate extern uchar_t search_rules[]; /* dependency search rules */ 5267c478bd9Sstevel@tonic-gate 5277c478bd9Sstevel@tonic-gate extern Fct elf_fct; /* ELF file class dependent data */ 5287c478bd9Sstevel@tonic-gate 52902ca3e02Srie #if defined(__sparc) && !defined(__sparcv9) 5307c478bd9Sstevel@tonic-gate extern Fct aout_fct; /* a.out (4.x) file class dependent */ 5317c478bd9Sstevel@tonic-gate /* data */ 5327c478bd9Sstevel@tonic-gate #endif 5337c478bd9Sstevel@tonic-gate 5347c478bd9Sstevel@tonic-gate extern const char *locale; /* locale environment setting */ 5357c478bd9Sstevel@tonic-gate 5367c478bd9Sstevel@tonic-gate extern Config *config; /* configuration structure */ 5377c478bd9Sstevel@tonic-gate extern const char *locale; /* locale environment setting */ 5387c478bd9Sstevel@tonic-gate 5397c478bd9Sstevel@tonic-gate extern const char *rpl_audit; /* replaceable LD_AUDIT string */ 5407c478bd9Sstevel@tonic-gate extern const char *rpl_debug; /* replaceable LD_DEBUG string */ 5417c478bd9Sstevel@tonic-gate extern const char *rpl_ldflags; /* replaceable LD_FLAGS string */ 5427c478bd9Sstevel@tonic-gate extern const char *rpl_libpath; /* replaceable LD_LIBRARY string */ 54356deab07SRod Evans extern Alist *rpl_libdirs; /* and its associated Pdesc list */ 5447c478bd9Sstevel@tonic-gate extern const char *rpl_preload; /* replaceable LD_PRELOAD string */ 5457c478bd9Sstevel@tonic-gate 5467c478bd9Sstevel@tonic-gate extern const char *prm_audit; /* permanent LD_AUDIT string */ 5477c478bd9Sstevel@tonic-gate extern const char *prm_debug; /* permanent LD_DEBUG string */ 5487c478bd9Sstevel@tonic-gate extern const char *prm_ldflags; /* permanent LD_FLAGS string */ 5497c478bd9Sstevel@tonic-gate extern const char *prm_libpath; /* permanent LD_LIBRARY string */ 55056deab07SRod Evans extern Alist *prm_libdirs; /* and its associated Pdesc list */ 5517c478bd9Sstevel@tonic-gate extern const char *prm_preload; /* permanent LD_PRELOAD string */ 5527c478bd9Sstevel@tonic-gate 55356deab07SRod Evans extern Alist *elf_def_dirs; /* ELF default directory seach paths */ 55456deab07SRod Evans extern Alist *elf_sec_dirs; /* ELF secure directory seach paths */ 55556deab07SRod Evans extern Alist *aout_def_dirs; /* AOUT default directory seach paths */ 55656deab07SRod Evans extern Alist *aout_sec_dirs; /* AOUT secure directory seach paths */ 55756deab07SRod Evans 5587c478bd9Sstevel@tonic-gate extern uint_t env_info; /* information regarding environment */ 5597c478bd9Sstevel@tonic-gate /* variables */ 5607c478bd9Sstevel@tonic-gate extern int killsig; /* signal sent on fatal exit */ 56156deab07SRod Evans extern APlist *free_alp; /* defragmentation list */ 5627c478bd9Sstevel@tonic-gate 5637c478bd9Sstevel@tonic-gate extern uint_t audit_argcnt; /* no. of stack args to copy */ 5647c478bd9Sstevel@tonic-gate extern Audit_desc *auditors; /* global auditors */ 5657c478bd9Sstevel@tonic-gate 5667c478bd9Sstevel@tonic-gate extern char **_environ; 5677c478bd9Sstevel@tonic-gate 5687c478bd9Sstevel@tonic-gate extern const char *dbg_file; /* debugging directed to a file */ 5697c478bd9Sstevel@tonic-gate 5707c478bd9Sstevel@tonic-gate extern Reglist *reglist; /* list of register symbols */ 5717c478bd9Sstevel@tonic-gate 5727c478bd9Sstevel@tonic-gate extern const Msg err_reject[]; /* rejection error message tables */ 5737c478bd9Sstevel@tonic-gate extern const Msg ldd_reject[]; 5747c478bd9Sstevel@tonic-gate 5757c478bd9Sstevel@tonic-gate extern const char *profile_name; /* object being profiled */ 5767c478bd9Sstevel@tonic-gate extern const char *profile_out; /* profile output file */ 5777c478bd9Sstevel@tonic-gate extern const char *profile_lib; /* audit library to perform profile */ 5787c478bd9Sstevel@tonic-gate 57941072f3cSrie extern Dl_argsinfo argsinfo; /* process argument, environment and */ 58041072f3cSrie /* auxv information */ 58141072f3cSrie 5827c478bd9Sstevel@tonic-gate extern const char *err_strs[]; /* diagnostic error string headers */ 5837c478bd9Sstevel@tonic-gate extern const char *nosym_str; /* MSG_GEN_NOSYM message cache */ 5847c478bd9Sstevel@tonic-gate 5857c478bd9Sstevel@tonic-gate extern ulong_t hwcap; /* hardware capabilities */ 5867c478bd9Sstevel@tonic-gate extern ulong_t sfcap; /* software capabilities */ 5877c478bd9Sstevel@tonic-gate 5889aa23310Srie extern avl_tree_t *nfavl; /* not-found AVL path name tree */ 5899aa23310Srie 5907c478bd9Sstevel@tonic-gate /* 5917c478bd9Sstevel@tonic-gate * Function declarations. 5927c478bd9Sstevel@tonic-gate */ 5937c478bd9Sstevel@tonic-gate extern void addfree(void *, size_t); 5947c478bd9Sstevel@tonic-gate extern int append_alias(Rt_map *, const char *, int *); 59556deab07SRod Evans extern Rt_map *analyze_lmc(Lm_list *, Aliste, Rt_map *, int *); 5967c478bd9Sstevel@tonic-gate extern void atexit_fini(void); 5977c478bd9Sstevel@tonic-gate extern int bind_one(Rt_map *, Rt_map *, uint_t); 5987c478bd9Sstevel@tonic-gate extern int bufprint(Prfbuf *, const char *, ...); 5995aefb655Srie extern void call_array(Addr *, uint_t, Rt_map *, Word); 6007c478bd9Sstevel@tonic-gate extern void call_fini(Lm_list *, Rt_map **); 6017c478bd9Sstevel@tonic-gate extern void call_init(Rt_map **, int); 60260758829Srie extern int callable(Rt_map *, Rt_map *, Grp_hdl *, uint_t); 6037c478bd9Sstevel@tonic-gate extern Rt_map *_caller(caddr_t, int); 6047c478bd9Sstevel@tonic-gate extern caddr_t caller(void); 6057c478bd9Sstevel@tonic-gate extern void *calloc(size_t, size_t); 6067c478bd9Sstevel@tonic-gate extern void cap_assign(Cap *, Rt_map *); 6075aefb655Srie extern const char *_conv_reloc_type(uint_t rel); 60856deab07SRod Evans extern void defrag(void); 6095aefb655Srie extern uintptr_t dbg_setup(const char *, Dbg_desc *); 6107c478bd9Sstevel@tonic-gate extern const char *demangle(const char *); 6117c478bd9Sstevel@tonic-gate extern int dlclose_intn(Grp_hdl *, Rt_map *); 61202ca3e02Srie extern int dlclose_core(Grp_hdl *, Rt_map *, Lm_list *); 6137c478bd9Sstevel@tonic-gate extern Sym *dlsym_handle(Grp_hdl *, Slookup *, Rt_map **, 6149aa23310Srie uint_t *, int *); 6157c478bd9Sstevel@tonic-gate extern void *dlsym_intn(void *, const char *, Rt_map *, Rt_map **); 6167c478bd9Sstevel@tonic-gate extern Grp_hdl *dlmopen_intn(Lm_list *, const char *, int, Rt_map *, 6179aa23310Srie uint_t, uint_t); 6187c478bd9Sstevel@tonic-gate extern size_t doprf(const char *, va_list, Prfbuf *); 6197c478bd9Sstevel@tonic-gate extern int dowrite(Prfbuf *); 62056deab07SRod Evans extern void *dz_map(Lm_list *, caddr_t, size_t, int, int); 6218cd45542Sraf extern int enter(int); 6227c478bd9Sstevel@tonic-gate extern uint_t expand(char **, size_t *, char **, uint_t, uint_t, 6237c478bd9Sstevel@tonic-gate Rt_map *); 62456deab07SRod Evans extern int expand_paths(Rt_map *, const char *, Alist **, Aliste, 62556deab07SRod Evans uint_t, uint_t); 6268af2c5b9Srie extern void free_hdl(Grp_hdl *, Rt_map *, uint_t); 6277c478bd9Sstevel@tonic-gate extern void file_notfound(Lm_list *, const char *, Rt_map *, 6287c478bd9Sstevel@tonic-gate uint_t, Rej_desc *); 62956deab07SRod Evans extern int find_path(Lm_list *, Rt_map *, uint_t, Fdesc *, 63056deab07SRod Evans Rej_desc *, int *); 6317c478bd9Sstevel@tonic-gate extern int fpavl_insert(Lm_list *, Rt_map *, const char *, 6327c478bd9Sstevel@tonic-gate avl_index_t); 63356deab07SRod Evans extern Rt_map *fpavl_recorded(Lm_list *, const char *, uint_t, 63456deab07SRod Evans avl_index_t *); 6357c478bd9Sstevel@tonic-gate extern void fpavl_remove(Rt_map *); 63656deab07SRod Evans extern size_t fullpath(Rt_map *, Fdesc *); 6377c478bd9Sstevel@tonic-gate extern void get_lcinterface(Rt_map *, Lc_interface *); 6387c478bd9Sstevel@tonic-gate extern Lmid_t get_linkmap_id(Lm_list *); 63956deab07SRod Evans extern Pdesc *get_next_dir(Spath_desc *, Rt_map *, uint_t); 6409a411307Srie extern int hdl_add(Grp_hdl *, Rt_map *, uint_t); 6418af2c5b9Srie extern Grp_hdl *hdl_create(Lm_list *, Rt_map *, Rt_map *, uint_t, 6428af2c5b9Srie uint_t, uint_t); 64302ca3e02Srie extern int hdl_initialize(Grp_hdl *, Rt_map *, int, int); 64456deab07SRod Evans extern int hwcap_check(Xword, Rej_desc *); 64556deab07SRod Evans extern int hwcap_filtees(Alist **, Aliste, const char *, Aliste, 646*481bba9eSRod Evans Rt_map *, const char *, int, uint_t, int *); 6479a411307Srie extern void is_dep_init(Rt_map *, Rt_map *); 648466e2a62Srie extern int is_move_data(caddr_t); 649247b82a1SRod Evans extern int is_path_secure(char *, Rt_map *, uint_t, uint_t); 6503dbfc803SRod Evans extern int is_rtld_setuid(); 6519a411307Srie extern int is_sym_interposer(Rt_map *, Sym *); 6529a411307Srie extern void ldso_plt_init(Rt_map *); 6537c478bd9Sstevel@tonic-gate extern Listnode *list_append(List *, const void *); 6547c478bd9Sstevel@tonic-gate extern Listnode *list_insert(List *, const void *, Listnode *); 6557c478bd9Sstevel@tonic-gate extern Listnode *list_prepend(List *, const void *); 6567c478bd9Sstevel@tonic-gate extern void list_delete(List *, void *); 6578cd45542Sraf extern void leave(Lm_list *, int); 6587c478bd9Sstevel@tonic-gate extern void lm_append(Lm_list *, Aliste, Rt_map *); 6597c478bd9Sstevel@tonic-gate extern void lm_delete(Lm_list *, Rt_map *); 6607c478bd9Sstevel@tonic-gate extern void lm_move(Lm_list *, Aliste, Aliste, Lm_cntl *, 6617c478bd9Sstevel@tonic-gate Lm_cntl *); 6627247f888Srie extern void load_completion(Rt_map *); 66356deab07SRod Evans extern Rt_map *load_file(Lm_list *, Aliste, Fdesc *, int *); 6647c478bd9Sstevel@tonic-gate extern Rt_map *load_hwcap(Lm_list *, Aliste, const char *, Rt_map *, 6659aa23310Srie uint_t, uint_t, Grp_hdl **, Rej_desc *, int *); 66656deab07SRod Evans extern Rt_map *load_path(Lm_list *, Aliste, Rt_map *, int, uint_t, 66756deab07SRod Evans Grp_hdl **, Fdesc *, Rej_desc *, int *); 66856deab07SRod Evans extern Rt_map *load_one(Lm_list *, Aliste, Alist *, Rt_map *, int, 6699aa23310Srie uint_t, Grp_hdl **, int *); 67056deab07SRod Evans extern const char *load_trace(Lm_list *, Pdesc *, Rt_map *, Fdesc *); 6719aa23310Srie extern void nfavl_insert(const char *, avl_index_t); 67256deab07SRod Evans extern int nfavl_recorded(const char *, uint_t, avl_index_t *); 67356deab07SRod Evans extern void *nu_map(Lm_list *, caddr_t, size_t, int, int); 67456deab07SRod Evans extern Fct *map_obj(Lm_list *, Fdesc *, size_t, const char *, int, 67556deab07SRod Evans Rej_desc *); 6767c478bd9Sstevel@tonic-gate extern void *malloc(size_t); 67756deab07SRod Evans extern int move_data(Rt_map *, APlist **); 6787c478bd9Sstevel@tonic-gate extern void rd_event(Lm_list *, rd_event_e, r_state_e); 6797c478bd9Sstevel@tonic-gate extern int readenv_user(const char **, Word *, Word *, int); 6807c478bd9Sstevel@tonic-gate extern int readenv_config(Rtc_env *, Addr, int); 68131fdd7caSab extern void rejection_inherit(Rej_desc *, Rej_desc *); 6829aa23310Srie extern int relocate_lmc(Lm_list *, Aliste, Rt_map *, Rt_map *, 6839aa23310Srie int *); 68456deab07SRod Evans extern int relocate_finish(Rt_map *, APlist *, int); 6857c478bd9Sstevel@tonic-gate extern void remove_cntl(Lm_list *, Aliste); 6867c478bd9Sstevel@tonic-gate extern int remove_hdl(Grp_hdl *, Rt_map *, int *); 687*481bba9eSRod Evans extern void remove_lmc(Lm_list *, Rt_map *, Aliste, const char *); 6887c478bd9Sstevel@tonic-gate extern void remove_lml(Lm_list *); 68956deab07SRod Evans extern void remove_plist(Alist **, int); 6907c478bd9Sstevel@tonic-gate extern void remove_so(Lm_list *, Rt_map *); 6917c478bd9Sstevel@tonic-gate extern int rt_cond_wait(Rt_cond *, Rt_lock *); 6927c478bd9Sstevel@tonic-gate extern int rt_bind_guard(int); 6937c478bd9Sstevel@tonic-gate extern int rt_bind_clear(int); 69410a4fa49Srie extern int rt_get_extern(Lm_list *, Rt_map *); 6957c478bd9Sstevel@tonic-gate extern int rt_mutex_lock(Rt_lock *); 6967c478bd9Sstevel@tonic-gate extern int rt_mutex_unlock(Rt_lock *); 69710a4fa49Srie extern void rt_thr_init(Lm_list *); 6987c478bd9Sstevel@tonic-gate extern thread_t rt_thr_self(void); 6995aefb655Srie extern void rtld_db_dlactivity(Lm_list *); 7005aefb655Srie extern void rtld_db_preinit(Lm_list *); 7015aefb655Srie extern void rtld_db_postinit(Lm_list *); 7027c478bd9Sstevel@tonic-gate extern void rtldexit(Lm_list *, int); 703cb511613SAli Bahrami #ifndef _LP64 704cb511613SAli Bahrami extern int rtld_fstat(int, rtld_stat_t *restrict); 705cb511613SAli Bahrami extern int rtld_stat(const char *restrict, rtld_stat_t *restrict); 706cb511613SAli Bahrami #endif 70741072f3cSrie extern int rtld_getopt(char **, char ***, auxv_t **, Word *, 70841072f3cSrie Word *, int); 7097c478bd9Sstevel@tonic-gate extern void security(uid_t, uid_t, gid_t, gid_t, int); 7107c478bd9Sstevel@tonic-gate extern void set_environ(Lm_list *); 71156deab07SRod Evans extern void set_dirs(Alist **, Spath_defn *, uint_t); 71256deab07SRod Evans extern int set_prot(Rt_map *, mmapobj_result_t *, int); 71341072f3cSrie extern Rt_map *setup(char **, auxv_t *, Word, char *, int, char *, 71456deab07SRod Evans ulong_t, ulong_t, int fd, Phdr *, char *, char **, 71556deab07SRod Evans uid_t, uid_t, gid_t, gid_t, void *, int, uint_t); 71656deab07SRod Evans extern const char *stravl_insert(const char *, uint_t, size_t, int); 7173dbfc803SRod Evans extern void spavl_insert(const char *); 7183dbfc803SRod Evans extern int spavl_recorded(const char *, avl_index_t *); 71956deab07SRod Evans extern int sfcap_check(Xword, Rej_desc *); 720d326b23bSrie extern int tls_assign(Lm_list *, Rt_map *, Phdr *); 72110a4fa49Srie extern void tls_modaddrem(Rt_map *, uint_t); 72210a4fa49Srie extern int tls_statmod(Lm_list *, Rt_map *); 7237c478bd9Sstevel@tonic-gate extern Rt_map **tsort(Rt_map *, int, int); 7247c478bd9Sstevel@tonic-gate extern void unused(Lm_list *); 72556deab07SRod Evans extern void unmap_obj(mmapobj_result_t *, uint_t); 7267c478bd9Sstevel@tonic-gate extern int update_mode(Rt_map *, int, int); 7277c478bd9Sstevel@tonic-gate extern void zero(caddr_t, size_t); 7287c478bd9Sstevel@tonic-gate 72902ca3e02Srie #if defined(__sparc) 7307c478bd9Sstevel@tonic-gate /* 7317c478bd9Sstevel@tonic-gate * SPARC Register symbol support. 7327c478bd9Sstevel@tonic-gate */ 7337c478bd9Sstevel@tonic-gate extern int elf_regsyms(Rt_map *); 7347c478bd9Sstevel@tonic-gate extern void set_sparc_g1(ulong_t); 7357c478bd9Sstevel@tonic-gate extern void set_sparc_g2(ulong_t); 7367c478bd9Sstevel@tonic-gate extern void set_sparc_g3(ulong_t); 7377c478bd9Sstevel@tonic-gate extern void set_sparc_g4(ulong_t); 7387c478bd9Sstevel@tonic-gate extern void set_sparc_g5(ulong_t); 7397c478bd9Sstevel@tonic-gate extern void set_sparc_g6(ulong_t); 7407c478bd9Sstevel@tonic-gate extern void set_sparc_g7(ulong_t); 74102ca3e02Srie #endif 7427c478bd9Sstevel@tonic-gate 7437c478bd9Sstevel@tonic-gate extern long _sysconfig(int); 7447c478bd9Sstevel@tonic-gate 7457c478bd9Sstevel@tonic-gate #ifdef __cplusplus 7467c478bd9Sstevel@tonic-gate } 7477c478bd9Sstevel@tonic-gate #endif 7487c478bd9Sstevel@tonic-gate 7497c478bd9Sstevel@tonic-gate #endif /* __RTLD_H */ 750