/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright (c) 1988 AT&T * All Rights Reserved * * Copyright 2009 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #ifndef __RTLD_H #define __RTLD_H /* * Common header for run-time linker. */ #include <sys/types.h> #include <sys/stat.h> #include <sys/avl.h> #include <sys/mman.h> #include <stdarg.h> #include <synch.h> #include <signal.h> #include <errno.h> #include <unistd.h> #include <link.h> #include <rtld.h> #include <sgs.h> #include <machdep.h> #include <rtc.h> #include <debug.h> #include <msg.h> #include <libc_int.h> #ifdef __cplusplus extern "C" { #endif /* * Dependency search rule order. */ #define RPLENV 1 /* replaceable LD_LIBRARY_PATH */ #define PRMENV 2 /* permanent LD_LIBRARY_PATH */ #define RUNPATH 3 /* callers runpath */ #define DEFAULT 4 /* default library path */ typedef struct fdesc Fdesc; typedef struct fct Fct; typedef struct pdesc Pdesc; /* * Data structure for file class specific functions and data. */ struct fct { /* Verify that the object is of this class. */ Fct *(*fct_verify_file)(caddr_t, size_t, Fdesc *, const char *, Rej_desc *); /* Generate a link-map to describe the loaded object. */ Rt_map *(*fct_new_lmp)(Lm_list *, Aliste, Fdesc *, Addr, size_t, void *, int *); /* Retrieve the entry point of the object. */ Addr (*fct_entry_pt)(void); /* Determine the objects dependencies (needed entries). */ int (*fct_needed)(Lm_list *, Aliste, Rt_map *, int *); /* Look up a symbol for the object. */ Sym *(*fct_lookup_sym)(Slookup *, Rt_map **, uint_t *, int *); /* Relocate the object. */ int (*fct_reloc)(Rt_map *, uint_t, int *, APlist **); /* List of default directories to search for dependencies. */ Alist **(*fct_get_def_dirs)(void); /* List of secure directories to search for dependencies. */ Alist **(*fct_get_sec_dirs)(void); /* Transpose the name of the object. */ int (*fct_fix_name)(const char *, Rt_map *, Alist **, Aliste, uint_t); /* Get a shared object name */ char *(*fct_get_so)(const char *, const char *, size_t, size_t); /* Retrieve a symbolic address from the object. */ void (*fct_dladdr)(ulong_t, Rt_map *, Dl_info *, void **, int); /* Process a dlsym(3c) request within the object. */ Sym *(*fct_dlsym)(Grp_hdl *, Slookup *, Rt_map **, uint_t *, int *); }; /* * Macros for getting to the file class table. */ #define LM_ENTRY_PT(X) ((X)->rt_fct->fct_entry_pt) #define LM_NEEDED(X) ((X)->rt_fct->fct_needed) #define LM_LOOKUP_SYM(X) ((X)->rt_fct->fct_lookup_sym) #define LM_RELOC(X) ((X)->rt_fct->fct_reloc) #define LM_DEFAULT_DIRS(X) ((X)->rt_fct->fct_get_def_dirs) #define LM_SECURE_DIRS(X) ((X)->rt_fct->fct_get_sec_dirs) #define LM_FIX_NAME(X) ((X)->rt_fct->fct_fix_name) #define LM_GET_SO(X) ((X)->rt_fct->fct_get_so) #define LM_DLADDR(X) ((X)->rt_fct->fct_dladdr) #define LM_DLSYM(X) ((X)->rt_fct->fct_dlsym) /* * Initial memory map allocation. Typical ELF objects contain a text and data * segment, which can be augmented with a bss mapping. Add a bunch more for * luck. */ #define MMAPFD_NUM 10 /* * Define Alist initialization counts. */ #define AL_CNT_ALIAS 2 /* ALIAS() */ #define AL_CNT_DEPENDS 20 /* DEPENDS() */ #define AL_CNT_CALLERS 20 /* CALLERS() */ #define AL_CNT_GROUPS 4 /* GROUPS() */ #define AL_CNT_COPYREL 10 /* COPY() */ #define AL_CNT_LAZYFIND 10 /* elf_lazy_find_sym() */ #define AL_CNT_GRPCLCT 10 /* gdp_collect() */ #define AL_CNT_DEPCLCT 10 /* load_finish() */ #define AL_CNT_RTLDINFO 1 /* RTLDINFO() */ #define AL_CNT_FPNODE 4 /* FPNODE() */ #define AL_CNT_LMLISTS 20 /* lm_lists */ #define AL_CNT_LMNOW 8 /* lm_now */ #define AL_CNT_RELBIND 20 /* relocation binding */ #define AL_CNT_ACTAUDIT 2 /* lm_actaudit */ #define AL_CNT_MOVES 10 /* move_data */ #define AL_CNT_MPOBJS 4 /* elf_obj_file() */ #define AL_CNT_TEXTREL 2 /* text relocation segment */ #define AL_CNT_NEEDED 1 /* dependency path */ #define AL_CNT_SEARCH 4 /* search path */ #define AL_CNT_FILTEES 2 /* filtee path */ #define AL_CNT_HANDLES 1 /* hdl_list[] */ #define AL_CNT_FREELIST 80 /* free_alp */ #define AL_CNT_HWCAP 10 /* hwcap candidate */ #define AL_CNT_SPATH 4 /* search path */ #define AL_CNT_DYNLIST 2 /* dynlm_list */ #define AL_CNT_PENDING 2 /* pending tsort list (INITFIRST) */ #define AL_CNT_PLTPAD 10 /* plt padding */ #define AL_CNT_AUDITORS 2 /* auditing list */ /* * Size of buffer for building error messages. */ #define ERRSIZE 2048 /* MAXPATHLEN * 2 */ /* * Configuration file information. */ typedef struct config { const char *c_name; Addr c_bgn; Addr c_end; Word *c_hashtbl; Word *c_hashchain; const char *c_strtbl; Rtc_obj *c_objtbl; Rtc_fltr *c_fltr; Rtc_flte *c_flte; } Config; /* * Register symbol list. */ typedef struct reglist { Rt_map *rl_lmp; /* defining object */ Sym *rl_sym; /* regsym */ struct reglist *rl_next; /* next entry */ } Reglist; /* * Data structure to hold interpreter information. */ typedef struct interp { char *i_name; /* interpreter name */ caddr_t i_faddr; /* address interpreter is mapped at */ } Interp; /* * Data structure used to keep track of copy relocations. These relocations * are collected during initial relocation processing and maintained on the * COPY(lmp) list of the defining object. Each copy list is also added to the * COPY(lmp) of the head object (normally the application dynamic executable) * from which they will be processed after all relocations are done. * * The use of RTLD_GROUP will also reference individual objects COPY(lmp) lists * in case a bound symbol must be assigned to it actual copy relocation. */ typedef struct { const char *r_name; /* symbol name */ Sym *r_rsym; /* reference symbol table entry */ Rt_map *r_rlmp; /* reference link map */ Rt_map *r_dlmp; /* definition link map */ Sym *r_dsym; /* definition symbol table entry */ void *r_radd; /* copy to address */ const void *r_dadd; /* copy from address */ ulong_t r_size; /* copy size bytes */ } Rel_copy; /* * Define a file descriptor, which maintains information regarding a pathname * that has been opened and minimally inspected. */ struct fdesc { Rt_map *fd_lmp; /* existing link-map pointer */ Fct *fd_ftp; /* file functions pointer */ const char *fd_oname; /* original file name */ const char *fd_odir; /* original directory name */ const char *fd_nname; /* new file (expanded) name */ const char *fd_pname; /* new path (resolved) name */ dev_t fd_dev; /* file device number */ rtld_ino_t fd_ino; /* file inode number */ uint_t fd_flags; avl_index_t fd_avlwhere; /* avl tree insertion index */ Xword fd_hwcap; /* hardware capabilities value */ mmapobj_result_t *fd_mapp; /* mapping pointer */ uint_t fd_mapn; /* mapping number */ }; #define FLG_FD_ALTER 0x0001 /* file is an alternate */ #define FLG_FD_SLASH 0x0002 /* file contains a "/" */ #define FLG_FD_RESOLVED 0x0004 /* fd_nname has been resolved */ /* * File descriptor availability flag. */ #define FD_UNAVAIL -1 /* * Disabled filter flag. Filter objects are referenced using their .dynamic * index (DT_FILTER or DT_AUXILIARY). This index is saved and used to lookup * the required filter. Note that 0 is a valid .dynamic index. The caller's * OBJFLTRNDX() element is initialized using the following flag, and should * the filter's initialization fail, is reset to this value to indicate the * filter is disabled. UINT_MAX provides a convenient invalid .dynamic index. */ #define FLTR_DISABLED UINT_MAX /* * Status flags for rtld_flags */ #define RT_FL_THREADS 0x00000001 /* threads are enabled */ #define RT_FL_WARNFLTR 0x00000002 /* warn of missing filtees (ldd) */ #define RT_FL_DBNOTIF 0x00000004 /* binding activity going on */ #define RT_FL_NOBIND 0x00000010 /* don't carry out plt binding */ #define RT_FL_NOVERSION 0x00000020 /* disable version checking */ #define RT_FL_SECURE 0x00000040 /* setuid/segid flag */ #define RT_FL_APPLIC 0x00000080 /* are we executing user code */ #define RT_FL_CONFGEN 0x00000200 /* don't relocate initiating object */ /* set by crle(1). */ #define RT_FL_CONFAPP 0x00000400 /* application specific configuration */ /* cache required */ #define RT_FL_DEBUGGER 0x00000800 /* a debugger is monitoring us */ #define RT_FL_OPERATION 0x00001000 /* start recording operations */ #define RT_FL_NEWLOCALE 0x00002000 /* message locale has changed */ #define RT_FL_NOBAPLT 0x00004000 /* sparc: don't use ba plt's */ #define RT_FL_NOAUXFLTR 0x00008000 /* disable auxiliary filters */ #define RT_FL_NOAUDIT 0x00020000 /* disable auditing */ #define RT_FL_ATEXIT 0x00040000 /* we're shutting down */ #define RT_FL_SILENCERR 0x00080000 /* silence error messages */ #define RT_FL_INITFIRST 0x00200000 /* processing a DT_INITFIRST object */ #define RT_FL_DEMANGLE 0x01000000 /* demangle C++ symbol names */ #define RT_FL_NOCFG 0x02000000 /* disable config file use */ #define RT_FL_NODIRCFG 0x04000000 /* disable directory config use */ #define RT_FL_NOOBJALT 0x08000000 /* disable object alternative use */ #define RT_FL_NOENVCFG 0x10000000 /* disable config envars use */ #define RT_FL_DIRCFG 0x20000000 /* directory config info available */ #define RT_FL_OBJALT 0x40000000 /* object alternatives are available */ #define RT_FL_MEMRESV 0x80000000 /* memory reservation established */ /* * Status flags for rtld_flags2 */ #define RT_FL2_HASAUDIT 0x00000001 /* auditing lm_list is present */ #define RT_FL2_RTLDSEEN 0x00000002 /* rtldinfo has been set */ #define RT_FL2_UNIFPROC 0x00000004 /* libc/libthread unified environment */ #define RT_FL2_NOFLTCFG 0x00000010 /* disable config filter use */ #define RT_FL2_FLTCFG 0x00000020 /* filter config info available */ #define RT_FL2_HWCAP 0x00000040 /* hardware capabilities available */ #define RT_FL2_FTL2WARN 0x00000080 /* convert fatal to warning messages */ #define RT_FL2_BINDNOW 0x00000100 /* LD_BIND_NOW in effect */ #define RT_FL2_BINDLAZY 0x00000200 /* disable RTLD_NOW (and LD_BIND_NOW) */ #define RT_FL2_PLMSETUP 0x00000400 /* primary link-map set up complete */ #define RT_FL2_BRANDED 0x00000800 /* process is branded */ #define RT_FL2_NOPLM 0x00001000 /* process has no primary link map */ #define RT_FL2_SETUID 0x00002000 /* ld.so.1 is setuid root */ #define RT_FL2_ADDR32 0x00004000 /* 32-bit address space requirement */ /* * Information flags for env_info. */ #define ENV_INF_PATHCFG 0x00000001 /* replaceable LD_LIBRARY_PATH */ /* originates from configuration */ /* file */ #define ENV_INF_FLAGCFG 0x00000002 /* replaceable LD_FLAGS originates */ /* from configuration file */ /* * RTLDINFO descriptor. */ typedef struct { Rt_map *rti_lmp; /* RTLDINFO provider */ Lc_interface *rti_info; /* RTLDINFO data */ } Rti_desc; /* * Binding flags for the rt_bind_guard()/rt_bind_clear() routines. * These are defined in usr/src/lib/libc/inc/libc_int.h in the * latest version of the libc/rtld runtime interface (CI_V_FIVE). */ #if !defined(CI_V_FIVE) #define THR_FLG_RTLD 0x00000001 /* rtldlock bind guard flag */ #define THR_FLG_NOLOCK 0x00000000 /* no-op before CI_V_FIVE */ #define THR_FLG_REENTER 0x00000000 /* no-op before CI_V_FIVE */ #endif #define ROUND(x, a) (((int)(x) + ((int)(a) - 1)) & ~((int)(a) - 1)) /* * Print buffer. */ typedef struct { char *pr_buf; /* pointer to beginning of buffer */ char *pr_cur; /* pointer to next free char in buffer */ size_t pr_len; /* buffer size */ int pr_fd; /* output fd */ } Prfbuf; /* * Path name descriptor. Used to construct various path names such as search * paths, dependency paths, filter paths etc. The pd_info element can be used * to hold various pointers, like Grp_hdl, Rtc_obj, etc. */ struct pdesc { const char *pd_pname; /* path name - may be expanded */ const char *pd_oname; /* original name - unexpanded */ void *pd_info; /* possible auxiliary information */ size_t pd_plen; /* path name length */ uint_t pd_flags; /* descriptor specific flags */ }; /* * Path name descriptors are passed to expand_path() and expand(). These * routines break down possible multiple path strings (separated with ":"), * and perform any reserved token expansion. These routines are passed * information that indicates the use of the path, for example, search paths, * i.e., LD_LIBRARY_PATH, RPATHS, etc. are defined using la_objsearch() * information (see LA_SER flags in link.h). This information is recorded in * the pd_flags field for later use. * * Define expansion path tokens. These are used to prevent various expansions * from occurring, and record those expansions that do. Any expansion * information is also recorded in the pd_flags field, and thus is or'd * together with any LA_SER flags. */ #define PD_TKN_ORIGIN 0x00001000 /* $ORIGIN expansion has occurred */ #define PD_TKN_PLATFORM 0x00002000 /* $PLATFORM expansion has occurred */ #define PD_TKN_OSNAME 0x00004000 /* $OSNAME expansion has occurred */ #define PD_TKN_OSREL 0x00008000 /* $OSREL expansion has occurred */ #define PD_TKN_ISALIST 0x00010000 /* $ISALIST expansion has occurred */ #define PD_TKN_HWCAP 0x00020000 /* $HWCAP expansion has occurred */ #define PD_TKN_RESOLVED 0x00040000 /* resolvepath() expansion has */ /* occurred */ #define PD_MSK_EXPAND 0x000ff000 /* mask for all expansions */ /* * Define additional path information. These definitions extend the path * information, and may be passed into expand_path(), or set internally, or * inherited from expand(). These definitions are or'd together with any * LA_SER_ flags and PD_TKN_ flags. */ #define PD_FLG_PNSLASH 0x00100000 /* pd_pname contains a slash */ #define PD_FLG_DUPLICAT 0x00200000 /* path is a duplicate */ #define PD_FLG_EXTLOAD 0x00400000 /* path defines extra loaded objects */ /* (preload, audit etc.) */ #define PD_FLG_UNIQUE 0x00800000 /* ensure path is unique */ #define PD_FLG_USED 0x01000000 /* indicate that path is used */ #define PD_FLG_FULLPATH 0x02000000 /* ensure path is a full path */ #define PD_MSK_INHERIT 0x0ffff000 /* mask for pd_flags incorporation */ /* * Additional token expansion information. Although these flags may be set * within a token data item return from expand(), they are masked off with * PD_MSK_INHERIT prior to any expansion information being recorded in a path * name descriptor for later diagnostics. */ #define TKN_NONE 0x00000001 /* no token expansion has occurred */ #define TKN_DOTSLASH 0x00000002 /* path contains a "./" */ /* * dlopen() handle list size. */ #define HDLIST_SZ 101 /* prime no. for hashing */ #define HDLIST_ORP 102 /* orphan handle list */ /* * Define a path name search descriptor. This "cookie" maintains state as * search paths are processed with get_next_dir(). Note, the path list is an * indirect pointer, as search paths can be reevaluated for secure applications * to provide better error diagnostics. */ typedef struct { uchar_t *sp_rule; /* present search rule */ Alist **sp_dalpp; /* present path list within rule */ Aliste sp_idx; /* present index within path list */ } Spath_desc; /* * Define a path name definition descriptor. Used to maintain initial ELF and * AOUT path name definitions. */ typedef struct { const char *sd_name; /* path name */ size_t sd_len; /* path name size */ } Spath_defn; /* * Define _caller flags. */ #define CL_NONE 0 #define CL_EXECDEF 1 /* supply the executable as a default */ /* if the caller can't be determined */ /* * Binding information flags. These flags are passed up from low level binding * routines to indicate "additional" information, such as why a binding has been * rejected. These flags use the same data element as is used to record any * DBG_BINFO flags. The DBG_BINFO flags are used to define the final bindings * information and are used to provide better binding diagnostics. */ #define BINFO_REJDIRECT 0x010000 /* reject a direct binding */ #define BINFO_REJSINGLE 0x100000 /* reject a singleton binding */ #define BINFO_REJGROUP 0x200000 /* reject a group binding */ #define BINFO_MSK_TRYAGAIN 0xf00000 /* a mask of bindings that */ /* should be retried */ #define BINFO_MSK_REJECTED 0xff0000 /* a mask of bindings that */ /* have been rejected */ /* * The 32-bit version of rtld uses special stat() wrapper functions * that preserve the non-largefile semantics of stat()/fstat() while * allowing for large inode values. The 64-bit rtld uses stat() directly. */ #ifdef _LP64 #define rtld_fstat fstat #define rtld_stat stat typedef struct stat rtld_stat_t; #else typedef struct { dev_t st_dev; rtld_ino_t st_ino; mode_t st_mode; uid_t st_uid; off_t st_size; timestruc_t st_mtim; #ifdef sparc blksize_t st_blksize; #endif } rtld_stat_t; #endif /* * Data declarations. */ extern Lc_desc glcs[]; /* global external interfaces */ extern Rt_lock rtldlock; /* rtld lock */ extern int thr_flg_nolock; extern int thr_flg_reenter; extern APlist *dynlm_list; /* dynamic list of link-maps */ extern char **environ; /* environ pointer */ extern int dyn_plt_ent_size; /* Size of dynamic plt's */ extern ulong_t at_flags; /* machine specific file flags */ extern const char *procname; /* file name of executing process */ extern Rtld_db_priv r_debug; /* debugging information */ extern char *lasterr; /* string describing last error */ extern Interp *interp; /* ELF executable interpreter info */ extern const char *rtldname; /* name of the dynamic linker */ extern APlist *hdl_alp[]; /* dlopen() handle list */ extern size_t syspagsz; /* system page size */ extern char *platform; /* platform name */ extern size_t platform_sz; /* platform name string size */ extern Isa_desc *isa; /* isalist descriptor */ extern Uts_desc *uts; /* utsname descriptor */ extern uint_t rtld_flags; /* status flags for RTLD */ extern uint_t rtld_flags2; /* additional status flags for RTLD */ extern uint32_t pltcnt21d; /* cnt of 21d PLTs */ extern uint32_t pltcnt24d; /* cnt of 24d PLTs */ extern uint32_t pltcntu32; /* cnt of u32 PLTs */ extern uint32_t pltcntu44; /* cnt of u44 PLTs */ extern uint32_t pltcntfull; /* cnt of full PLTs */ extern uint32_t pltcntfar; /* cnt of far PLTs */ extern uchar_t search_rules[]; /* dependency search rules */ extern Fct elf_fct; /* ELF file class dependent data */ #if defined(__sparc) && !defined(__sparcv9) extern Fct aout_fct; /* a.out (4.x) file class dependent */ /* data */ #endif extern const char *locale; /* locale environment setting */ extern Config *config; /* configuration structure */ extern const char *locale; /* locale environment setting */ extern const char *rpl_audit; /* replaceable LD_AUDIT string */ extern const char *rpl_debug; /* replaceable LD_DEBUG string */ extern const char *rpl_ldflags; /* replaceable LD_FLAGS string */ extern const char *rpl_libpath; /* replaceable LD_LIBRARY string */ extern Alist *rpl_libdirs; /* and its associated Pdesc list */ extern const char *rpl_preload; /* replaceable LD_PRELOAD string */ extern const char *prm_audit; /* permanent LD_AUDIT string */ extern const char *prm_debug; /* permanent LD_DEBUG string */ extern const char *prm_ldflags; /* permanent LD_FLAGS string */ extern const char *prm_libpath; /* permanent LD_LIBRARY string */ extern Alist *prm_libdirs; /* and its associated Pdesc list */ extern const char *prm_preload; /* permanent LD_PRELOAD string */ extern Alist *elf_def_dirs; /* ELF default directory seach paths */ extern Alist *elf_sec_dirs; /* ELF secure directory seach paths */ extern Alist *aout_def_dirs; /* AOUT default directory seach paths */ extern Alist *aout_sec_dirs; /* AOUT secure directory seach paths */ extern uint_t env_info; /* information regarding environment */ /* variables */ extern int killsig; /* signal sent on fatal exit */ extern APlist *free_alp; /* defragmentation list */ extern uint_t audit_argcnt; /* no. of stack args to copy */ extern Audit_desc *auditors; /* global auditors */ extern char **_environ; extern const char *dbg_file; /* debugging directed to a file */ extern Reglist *reglist; /* list of register symbols */ extern const Msg err_reject[]; /* rejection error message tables */ extern const Msg ldd_reject[]; extern const char *profile_name; /* object being profiled */ extern const char *profile_out; /* profile output file */ extern const char *profile_lib; /* audit library to perform profile */ extern Dl_argsinfo argsinfo; /* process argument, environment and */ /* auxv information */ extern const char *err_strs[ERR_NUM]; /* diagnostic error string headers */ extern const char *nosym_str; /* MSG_GEN_NOSYM message cache */ extern ulong_t hwcap; /* hardware capabilities */ extern ulong_t sfcap; /* software capabilities */ extern avl_tree_t *nfavl; /* not-found AVL path name tree */ /* * Function declarations. */ extern void addfree(void *, size_t); extern int append_alias(Rt_map *, const char *, int *); extern Rt_map *analyze_lmc(Lm_list *, Aliste, Rt_map *, int *); extern void atexit_fini(void); extern int bind_one(Rt_map *, Rt_map *, uint_t); extern int bufprint(Prfbuf *, const char *, ...); extern void call_array(Addr *, uint_t, Rt_map *, Word); extern void call_fini(Lm_list *, Rt_map **); extern void call_init(Rt_map **, int); extern int callable(Rt_map *, Rt_map *, Grp_hdl *, uint_t); extern Rt_map *_caller(caddr_t, int); extern caddr_t caller(void); extern void *calloc(size_t, size_t); extern void cap_assign(Cap *, Rt_map *); extern const char *_conv_reloc_type(uint_t rel); extern Aliste create_cntl(Lm_list *, int); extern void defrag(void); extern int dbg_setup(const char *, Dbg_desc *); extern const char *demangle(const char *); extern int dlclose_intn(Grp_hdl *, Rt_map *); extern int dlclose_core(Grp_hdl *, Rt_map *, Lm_list *); extern Sym *dlsym_handle(Grp_hdl *, Slookup *, Rt_map **, uint_t *, int *); extern void *dlsym_intn(void *, const char *, Rt_map *, Rt_map **); extern Grp_hdl *dlmopen_intn(Lm_list *, const char *, int, Rt_map *, uint_t, uint_t); extern size_t doprf(const char *, va_list, Prfbuf *); extern int dowrite(Prfbuf *); extern void *dz_map(Lm_list *, caddr_t, size_t, int, int); extern int enter(int); extern uint_t expand(char **, size_t *, char **, uint_t, uint_t, Rt_map *); extern int expand_paths(Rt_map *, const char *, Alist **, Aliste, uint_t, uint_t); extern void free_hdl(Grp_hdl *, Rt_map *, uint_t); extern void file_notfound(Lm_list *, const char *, Rt_map *, uint_t, Rej_desc *); extern int find_path(Lm_list *, Rt_map *, uint_t, Fdesc *, Rej_desc *, int *); extern int fpavl_insert(Lm_list *, Rt_map *, const char *, avl_index_t); extern Rt_map *fpavl_recorded(Lm_list *, const char *, uint_t, avl_index_t *); extern void fpavl_remove(Rt_map *); extern size_t fullpath(Rt_map *, Fdesc *); extern Lmid_t get_linkmap_id(Lm_list *); extern Pdesc *get_next_dir(Spath_desc *, Rt_map *, uint_t); extern int hdl_add(Grp_hdl *, Rt_map *, uint_t); extern Grp_hdl *hdl_create(Lm_list *, Rt_map *, Rt_map *, uint_t, uint_t, uint_t); extern int hdl_initialize(Grp_hdl *, Rt_map *, int, int); extern int hwcap_check(Xword, Rej_desc *); extern int hwcap_filtees(Alist **, Aliste, const char *, Aliste, Rt_map *, const char *, int, uint_t, int *); extern void is_dep_init(Rt_map *, Rt_map *); extern int is_move_data(caddr_t); extern int is_path_secure(char *, Rt_map *, uint_t, uint_t); extern int is_rtld_setuid(); extern int is_sym_interposer(Rt_map *, Sym *); extern void ldso_plt_init(Rt_map *); extern void leave(Lm_list *, int); extern void lm_append(Lm_list *, Aliste, Rt_map *); extern void lm_delete(Lm_list *, Rt_map *); extern void lm_move(Lm_list *, Aliste, Aliste, Lm_cntl *, Lm_cntl *); extern void load_completion(Rt_map *); extern Rt_map *load_file(Lm_list *, Aliste, Fdesc *, int *); extern Rt_map *load_hwcap(Lm_list *, Aliste, const char *, Rt_map *, uint_t, uint_t, Grp_hdl **, Rej_desc *, int *); extern Rt_map *load_path(Lm_list *, Aliste, Rt_map *, int, uint_t, Grp_hdl **, Fdesc *, Rej_desc *, int *); extern Rt_map *load_one(Lm_list *, Aliste, Alist *, Rt_map *, int, uint_t, Grp_hdl **, int *); extern const char *load_trace(Lm_list *, Pdesc *, Rt_map *, Fdesc *); extern void nfavl_insert(const char *, avl_index_t); extern int nfavl_recorded(const char *, uint_t, avl_index_t *); extern void *nu_map(Lm_list *, caddr_t, size_t, int, int); extern Fct *map_obj(Lm_list *, Fdesc *, size_t, const char *, int, Rej_desc *); extern void *malloc(size_t); extern int move_data(Rt_map *, APlist **); extern void rd_event(Lm_list *, rd_event_e, r_state_e); extern int readenv_user(const char **, Word *, Word *, int); extern int readenv_config(Rtc_env *, Addr, int); extern void rejection_inherit(Rej_desc *, Rej_desc *); extern int relocate_lmc(Lm_list *, Aliste, Rt_map *, Rt_map *, int *); extern int relocate_finish(Rt_map *, APlist *, int); extern void remove_cntl(Lm_list *, Aliste); extern int remove_hdl(Grp_hdl *, Rt_map *, int *); extern void remove_lmc(Lm_list *, Rt_map *, Aliste, const char *); extern void remove_lml(Lm_list *); extern void remove_plist(Alist **, int); extern void remove_so(Lm_list *, Rt_map *); extern int rt_cond_wait(Rt_cond *, Rt_lock *); extern int rt_bind_guard(int); extern int rt_bind_clear(int); extern int rt_get_extern(Lm_list *, Rt_map *); extern int rt_mutex_lock(Rt_lock *); extern int rt_mutex_unlock(Rt_lock *); extern void rt_thr_init(Lm_list *); extern thread_t rt_thr_self(void); extern void rtld_db_dlactivity(Lm_list *); extern void rtld_db_preinit(Lm_list *); extern void rtld_db_postinit(Lm_list *); extern void rtldexit(Lm_list *, int); #ifndef _LP64 extern int rtld_fstat(int, rtld_stat_t *restrict); extern int rtld_stat(const char *restrict, rtld_stat_t *restrict); #endif extern int rtld_getopt(char **, char ***, auxv_t **, Word *, Word *, int); extern void security(uid_t, uid_t, gid_t, gid_t, int); extern void set_environ(Lm_list *); extern void set_dirs(Alist **, Spath_defn *, uint_t); extern int set_prot(Rt_map *, mmapobj_result_t *, int); extern Rt_map *setup(char **, auxv_t *, Word, char *, int, char *, ulong_t, ulong_t, int fd, Phdr *, char *, char **, uid_t, uid_t, gid_t, gid_t, void *, int, uint_t); extern const char *stravl_insert(const char *, uint_t, size_t, int); extern void spavl_insert(const char *); extern int spavl_recorded(const char *, avl_index_t *); extern int sfcap_check(Xword, Rej_desc *); extern int tls_assign(Lm_list *, Rt_map *, Phdr *); extern void tls_modaddrem(Rt_map *, uint_t); extern int tls_statmod(Lm_list *, Rt_map *); extern Rt_map **tsort(Rt_map *, int, int); extern void unused(Lm_list *); extern void unmap_obj(mmapobj_result_t *, uint_t); extern int update_mode(Rt_map *, int, int); extern void zero(caddr_t, size_t); #if defined(__sparc) /* * SPARC Register symbol support. */ extern int elf_regsyms(Rt_map *); extern void set_sparc_g1(ulong_t); extern void set_sparc_g2(ulong_t); extern void set_sparc_g3(ulong_t); extern void set_sparc_g4(ulong_t); extern void set_sparc_g5(ulong_t); extern void set_sparc_g6(ulong_t); extern void set_sparc_g7(ulong_t); #endif extern long _sysconfig(int); #ifdef __cplusplus } #endif #endif /* __RTLD_H */