_rtld.h revision 5aefb6555731130ca4fd295960123d71f2d21fe8
/*
* 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 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef __RTLD_H
#define __RTLD_H
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* Common header for run-time linker.
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/avl.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 */
/*
* Data structure for file class specific functions and data.
*/
typedef struct fct {
int (*fct_are_u_this)(Rej_desc *); /* determine type of object */
ulong_t (*fct_entry_pt)(void); /* get entry point */
Rt_map *(*fct_map_so)(Lm_list *, Aliste, const char *, const char *,
int); /* map in a shared object */
void (*fct_unmap_so)(Rt_map *); /* unmap a shared object */
int (*fct_needed)(Lm_list *, Aliste, Rt_map *);
/* determine needed objects */
Sym *(*fct_lookup_sym)(Slookup *, Rt_map **, uint_t *);
/* initialize symbol lookup */
int (*fct_reloc)(Rt_map *, uint_t); /* relocate shared object */
Pnode *fct_dflt_dirs; /* list of default dirs to */
/* search */
Pnode *fct_secure_dirs; /* list of secure dirs to */
/* search (set[ug]id) */
Pnode *(*fct_fix_name)(const char *, Rt_map *, uint_t);
/* transpose name */
char *(*fct_get_so)(const char *, const char *);
/* get shared object */
void (*fct_dladdr)(ulong_t, Rt_map *, Dl_info *, void **, int);
/* get symbolic address */
Sym *(*fct_dlsym)(Grp_hdl *, Slookup *, Rt_map **, uint_t *);
/* process dlsym request */
int (*fct_verify_vers)(const char *, Rt_map *, Rt_map *);
/* verify versioning (ELF) */
int (*fct_set_prot)(Rt_map *, int);
/* set protection */
} Fct;
/*
* Return codes for util::anon_map().
*/
typedef enum {
AM_OK, /* mmap(MAP_ANON) succeeded */
AM_NOSUP, /* mmap(MAP_ANON) not supported (old OS) */
AM_ERROR /* mmap(MAP_ANON) failed */
} Am_ret;
/*
* Macros for getting to the file class table.
*/
#define LM_ENTRY_PT(X) ((X)->rt_fct->fct_entry_pt)
#define LM_UNMAP_SO(X) ((X)->rt_fct->fct_unmap_so)
#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_DFLT_DIRS(X) ((X)->rt_fct->fct_dflt_dirs)
#define LM_SECURE_DIRS(X) ((X)->rt_fct->fct_secure_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)
#define LM_VERIFY_VERS(X) ((X)->rt_fct->fct_verify_vers)
#define LM_SET_PROT(X) ((X)->rt_fct->fct_set_prot)
/*
* Define Alist initialization sizes.
*/
#define AL_CNT_ALIAS 2 /* ALIAS() initial alist count */
#define AL_CNT_DEPENDS 10 /* DEPENDS() initial alist count */
#define AL_CNT_CALLERS 10 /* CALLERS() initial alist count */
#define AL_CNT_GROUPS 1 /* GROUPS() initial alist count */
#define AL_CNT_COPYREL 10 /* COPY() initial alist count */
#define AL_CNT_LAZYFIND 10 /* elf_lazy_find_sym() initial alist */
/* count */
#define AL_CNT_GRPCLCT 10 /* gdp_collect() initial alist count */
#define AL_CNT_DEPCLCT 10 /* load_so() initial alist count */
#define AL_CNT_RTLDINFO 1 /* RTLDINFO() initial alist count */
#define AL_CNT_FPNODE 2 /* FPNODE() initial alist count */
#define AL_CNT_LMLISTS 8 /* lm_lists initial alist count */
#define AL_CNT_LMNOW 8 /* lm_now initial alist count */
#define AL_CNT_RELBIND 20 /* relocation binding alist count */
/*
* 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;
/*
* Data structure to hold initial file mapping information. Used to
* communicate during initial object mapping and provide for error recovery.
*/
typedef struct {
char *fm_maddr; /* address of initial mapping */
size_t fm_msize; /* size of initial mapping */
size_t fm_fsize; /* actual file size */
ulong_t fm_etext; /* end of text segment */
int fm_mflags; /* mapping flags */
ulong_t fm_hwptr; /* hardware capabilities pointer */
} Fmap;
/*
* Define a file descriptor, which maintains information regarding a pathname
* that has been opened and minimally inspected.
*/
typedef struct {
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 */
ino_t fd_ino; /* file inode number */
int fd_fd; /* open file descriptor */
uint_t fd_flags;
avl_index_t fd_avlwhere; /* avl tree insertion index */
Fmap fd_fmap; /* file mapping information */
} Fdesc;
#define FLG_FD_ALTER 0x01 /* file is an alternate */
#define FLG_FD_SLASH 0x02 /* file contains a "/" */
/*
* 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 */
#ifdef SIEBEL_DISABLE
#define RT_FL_DISFIX_1 0x00000008 /* disable fix number 1 */
#endif
#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_CONCUR 0x00000100 /* thread concurrency checks required */
#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_AUNOTIF 0x00001000 /* audit activity going on */
#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_NOCONCUR 0x00010000 /* disable thread concurrency checks */
#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_BREADTH 0x00100000 /* use breadth-first for .init/.fini */
#define RT_FL_INITFIRST 0x00200000 /* processing a DT_INITFIRST object */
#define RT_FL_RELATIVE 0x00400000 /* relative path expansion required */
#define RT_FL_EXECNAME 0x00800000 /* AT_SUN_EXECNAME vector is avail */
#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_NOMALIGN 0x00000008 /* mmap MAP_ALIGN isn't available */
#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) */
/*
* 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 */
/*
* Binding flags for the bindguard routines
*/
#define THR_FLG_RTLD 0x00000001 /* rtldlock bind_guard() flag */
#define THR_FLG_MASK THR_FLG_RTLD /* mask for all THR_FLG flags */
#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;
/*
* dlopen() handle list size.
*/
#define HDLIST_SZ 101 /* prime no. for hashing */
#define HDLIST_ORP 102 /* orphan handle list */
/*
* Define expansion path information. Search paths, i.e., LD_LIBRARY_PATH,
* RPATHS, etc. are defined using la_objsearch() information (see LA_SER flags
* in link.h). Definitions here extend the path information to other uses of
* pathname expansion, and are or'd together with any LA_SER_* flags.
*/
#define PN_SER_NEEDED 0x00001000 /* paths define DT_NEEDED entry */
#define PN_SER_FILTEE 0x00002000 /* paths define filtees */
#define PN_SER_EXTLOAD 0x00004000 /* paths define extra loaded objects */
/* (preload, audit etc.) */
#define PN_SER_DLOPEN 0x00008000 /* paths define dlopen() request */
#define PN_SER_MASK 0x000ff000 /* mask for p_orig incorporation */
/*
* Define reserved path tokens. These are used to prevent various expansions
* from occurring, and record those expansions that do. Note that any expansion
* information is also recorded in the p_orig field of a Pnode, and thus is
* or'd together with any LA_SER_* flags.
*/
#define PN_TKN_ORIGIN 0x00100000 /* $ORIGIN expansion has occurred */
#define PN_TKN_PLATFORM 0x00200000 /* $PLATFORM expansion has occurred */
#define PN_TKN_OSNAME 0x00400000 /* $OSNAME expansion has occurred */
#define PN_TKN_OSREL 0x00800000 /* $OSREL expansion has occurred */
#define PN_TKN_ISALIST 0x01000000 /* $ISALIST expansion has occurred */
#define PN_TKN_HWCAP 0x02000000 /* $HWCAP expansion has occurred */
#define PN_TKN_MASK 0xfff00000 /* mask for p_orig incorporation */
#define TKN_NONE 0x00000001 /* no token expansion has occurred */
#define TKN_DOTSLASH 0x00000002 /* path contains a "./" */
/*
* Define alist descriptor addition return values (see hdl_add()).
*/
#define ALE_EXISTS 1 /* alist entry already exists */
#define ALE_CREATE 2 /* alist entry created */
/*
* 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. Note, this is or'ed in with the DBG_BINFO flags to
* convey information regarding symbol bindings.
*/
#define BINFO_DIRECTDIS 0x10000 /* a direct binding has been disabled */
/*
* Data declarations.
*/
extern Rt_lock rtldlock; /* rtld lock */
extern List 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 List hdl_list[]; /* 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 Fmap *fmap; /* Initial file mapping info */
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 Pnode *rpl_libdirs; /* and its associated Pnode 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 Pnode *prm_libdirs; /* and its associated Pnode list */
extern const char *prm_preload; /* permanent LD_PRELOAD string */
extern uint_t env_info; /* information regarding environment */
/* variables */
extern int killsig; /* signal sent on fatal exit */
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[]; /* diagnostic error string headers */
extern const char *nosym_str; /* MSG_GEN_NOSYM message cache */
extern void (*thrinit)(); /* thread initialization */
extern ulong_t hwcap; /* hardware capabilities */
extern ulong_t sfcap; /* software capabilities */
/*
* Function declarations.
*/
extern void addfree(void *, size_t);
extern void * alist_append(Alist **, const void *, size_t, int);
extern int alist_delete(Alist *, const void *, Aliste *);
extern int alist_test(Alist **, void *, size_t, int);
extern int append_alias(Rt_map *, const char *, int *);
extern int analyze_lmc(Lm_list *, Aliste, Rt_map *);
extern Am_ret anon_map(Lm_list *, caddr_t *, size_t, int, int);
extern Fct *are_u_this(Rej_desc *, int, struct stat *,
const char *);
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 *);
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 uintptr_t 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 *);
extern Sym *dlsym_handle(Grp_hdl *, Slookup *, Rt_map **,
uint_t *);
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, int *);
extern size_t doprf(const char *, va_list, Prfbuf *);
extern int dowrite(Prfbuf *);
extern void dz_init(int);
extern caddr_t dz_map(Lm_list *, caddr_t, size_t, int, int);
extern int elf_config(Rt_map *, int);
extern int elf_mach_flags_check(Rej_desc *, Ehdr *);
extern Rtc_obj *elf_config_ent(const char *, Word, int, const char **);
extern Pnode *elf_config_flt(Lm_list *, const char *, const char *);
extern ulong_t elf_hash(const char *);
extern void elf_reloc_bad(Rt_map *, void *, uchar_t, ulong_t,
ulong_t);
extern ulong_t elf_reloc_relative(ulong_t, ulong_t, ulong_t,
ulong_t, ulong_t, ulong_t);
extern ulong_t elf_reloc_relacount(ulong_t, ulong_t,
ulong_t, ulong_t);
extern int enter(void);
extern uint_t expand(char **, size_t *, char **, uint_t, uint_t,
Rt_map *);
extern Pnode *expand_paths(Rt_map *, const char *, uint_t, uint_t);
extern void free_hdl(Grp_hdl *);
extern void file_notfound(Lm_list *, const char *, Rt_map *,
uint_t, Rej_desc *);
extern int find_path(Lm_list *, const char *, Rt_map *, uint_t,
Fdesc *, Rej_desc *);
extern int fpavl_insert(Lm_list *, Rt_map *, const char *,
avl_index_t);
extern Rt_map *fpavl_loaded(Lm_list *, const char *, avl_index_t *);
extern void fpavl_remove(Rt_map *);
extern size_t fullpath(Rt_map *, const char *);
extern void fmap_setup();
extern void get_lcinterface(Rt_map *, Lc_interface *);
extern Lmid_t get_linkmap_id(Lm_list *);
extern Pnode *get_next_dir(Pnode **, Rt_map *, uint_t);
int hdl_add(Grp_hdl *, Rt_map *, uint_t);
Grp_hdl *hdl_create(Lm_list *, Rt_map *, Rt_map *, uint_t);
int hdl_initialize(Grp_hdl *, Rt_map *, Rt_map *, int, int);
extern int hwcap_check(Rej_desc *, Ehdr *);
extern Pnode *hwcap_filtees(Pnode **, Aliste, Dyninfo *, Rt_map *,
const char *, int, uint_t);
void is_dep_ready(Rt_map *, Rt_map *, int);
void is_dep_init(Rt_map *, Rt_map *);
void ldso_plt_init(Rt_map *);
extern Listnode *list_append(List *, const void *);
extern Listnode *list_insert(List *, const void *, Listnode *);
extern Listnode *list_prepend(List *, const void *);
extern void list_delete(List *, void *);
extern void leave(Lm_list *);
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 int lm_salvage(Lm_list *, int, Aliste);
extern void load_completion(Rt_map *, Rt_map *);
extern Rt_map *load_hwcap(Lm_list *, Aliste, const char *, Rt_map *,
uint_t, uint_t, Grp_hdl **, Rej_desc *);
extern Rt_map *load_path(Lm_list *, Aliste, const char *, Rt_map *,
int, uint_t, Grp_hdl **, Fdesc *, Rej_desc *);
extern Rt_map *load_one(Lm_list *, Aliste, Pnode *, Rt_map *, int,
uint_t, Grp_hdl **);
extern const char *load_trace(Lm_list *, const char *, Rt_map *);
extern caddr_t nu_map(Lm_list *, caddr_t, size_t, int, int);
extern void *malloc(size_t);
extern void move_data(Rt_map *);
extern int pr_open(Lm_list *);
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 *, Fdesc *);
extern int relocate_lmc(Lm_list *, Aliste, Rt_map *);
extern int relocate_finish(Rt_map *, Alist *, int, int);
extern void remove_caller(Grp_hdl *, Rt_map *);
extern void remove_cntl(Lm_list *, Aliste);
extern int remove_hdl(Grp_hdl *, Rt_map *, int *);
extern void remove_incomplete(Lm_list *, Aliste);
extern void remove_lists(Rt_map *, int);
extern void remove_lml(Lm_list *);
extern void remove_pnode(Pnode *);
extern void remove_rej(Rej_desc *);
extern void remove_so(Lm_list *, Rt_map *);
extern int rt_cond_broadcast(Rt_cond *);
extern Rt_cond *rt_cond_create(void);
extern int rt_cond_wait(Rt_cond *, Rt_lock *);
extern int rt_bind_guard(int);
extern int rt_bind_clear(int);
extern int rt_mutex_lock(Rt_lock *);
extern int rt_mutex_unlock(Rt_lock *);
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);
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 Rt_map *setup(char **, auxv_t *, Word, char *, int, char *,
Dyn *, ulong_t, ulong_t, int fd, Phdr *, char *,
char **, int, uid_t, uid_t, gid_t, gid_t, void *,
int, uint_t);
extern void tls_assign_soffset(Rt_map *);
extern void tls_setroutines(Lm_list *, void *, void *, void *);
extern void tls_modactivity(Rt_map *, uint_t);
extern int tls_report_modules();
extern Rt_map **tsort(Rt_map *, int, int);
extern void unused(Lm_list *);
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 /* defined(sparc) */
extern long _sysconfig(int);
#ifdef __cplusplus
}
#endif
#endif /* __RTLD_H */