glibc/sysdeps/generic/libc-start.c

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/* Copyright (C) 1998-2003, 2004, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
Update. 2000-03-23 Andreas Jaeger <aj@suse.de> * elf/dl-addr.c: Adjust include paths for ldsodefs location change. * elf/dl-debug.c: Likewise. * elf/dl-deps.c: Likewise. * elf/dl-error.c: Likewise. * elf/dl-fini.c: Likewise. * elf/dl-init.c: Likewise. * elf/dl-load.c: Likewise. * elf/dl-lookup.c: Likewise. * elf/dl-minimal.c: Likewise. * elf/dl-object.c: Likewise. * elf/dl-open.c: Likewise. * elf/dl-preinit.c: Likewise. * elf/dl-profile.c: Likewise. * elf/dl-profstub.c: Likewise. * elf/dl-reloc.c: Likewise. * elf/dl-runtime.c: Likewise. * elf/dl-support.c: Likewise. * elf/dl-symbol.c: Likewise. * elf/dl-version.c: Likewise. * elf/rtld.c: Likewise. * elf/sprof.c: Likewise. * sysdeps/generic/dl-cache.c: Likewise. * sysdeps/generic/dl-origin.c: Likewise. * sysdeps/generic/dl-sysdep.c: Likewise. * sysdeps/generic/elf/backtracesyms.c: Likewise. * sysdeps/generic/elf/backtracesymsfd.c: Likewise. * sysdeps/generic/libc-start.c: Likewise. * sysdeps/mach/hurd/dl-sysdep.c: Likewise. * sysdeps/powerpc/dl-machine.c: Likewise. * sysdeps/powerpc/elf/libc-start.c: Likewise. * sysdeps/sparc/sparc32/dl-machine.h: Likewise. * sysdeps/sparc/sparc64/dl-machine.h: Likewise. * sysdeps/unix/sysv/linux/dl-origin.c: Likewise. * elf/ldsodefs.h: Move file to ... * sysdeps/generic/ldsodefs.h: ... here. * sysdeps/generic/ldsodefs.h: Add definition for D_PTR. * sysdeps/mips/elf/ldsodefs.h: New file. * elf/dl-version.c (match_symbol): Use D_PTR to access relocated entries in l_info. (_dl_check_map_versions): Likewise. * elf/dl-reloc.c (_dl_relocate_object): Likewise. * elf/dl-load.c (_dl_init_paths): Likewise. (_dl_map_object): Likewise. * elf/dynamic-link.h (_ELF_DYNAMIC_DO_RELOC): Likewise. (elf_get_dynamic_info): Likewise. * elf/do-lookup.h (FCT): Likewise. * elf/do-rel.h (elf_dynamic_do_rel): Likewise. * elf/dl-deps.c (_dl_map_object_deps): Likewise. * elf/dl-addr.c (_dl_addr): Likewise. * elf/dl-runtime.c (profile_fixup): Likewise. (fixup): Likewise. * elf/dl-init.c (_dl_init_next): Likewise. * sysdeps/generic/dl-machine.h (elf_machine_runtime_setup): Likewise. * sysdeps/unix/sysv/linux/i386/dl-librecon.h (DISTINGUISH_LIB_VERSIONS): Likewise. * sysdeps/i386/dl-machine.h (elf_machine_runtime_setup): Likewise. (elf_machine_rel): Likewise. * elf/dynamic-link.h (elf_get_dynamic_info): Only change l_info for writable dynamic section.
2000-03-23 20:31:46 +00:00
#include <ldsodefs.h>
#include <bp-start.h>
#include <bp-sym.h>
Update. 1998-03-18 14:25 Ulrich Drepper <drepper@cygnus.com> * string/bits/string2.h: Add optimization for strdup. Always define __strsep and __strtok_r and make real names available when feature select macros are defined. 1998-03-18 Andreas Jaeger <aj@arthur.rhein-neckar.de> * manual/install.texi (Installation): Use i486-linux as example instead of the unsupported sunos4. (Reporting Bugs): Mention glibcbug script. (Tools for Installation): gcc 2.8.1/egcs 1.0.2 is required. 1998-03-16 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * posix/wordexp-tst.sh: Make portable. Add more tests. * posix/Makefile (do-globtest do-wordexp-test): New targets. 1998-03-18 13:38 Ulrich Drepper <drepper@cygnus.com> * sysdeps/unix/sysv/linux/libc-start.c: Moved to ... * sysdeps/generic/libc-start.c: ...here, replacing former content. * sysdeps/unix/sysv/linux/Dist: Add netash/ash.h and netpacket/packet.h. * sysdeps/unix/sysv/linux/bits/socket.h: Pretty print. 1998-03-17 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/unix/sysv/linux/bits/resource.h: Remove trailing comma in enumerator for strict standard compliance. * sysdeps/generic/bits/resource.h: Likewise. 1998-03-18 10:04 Philip Blundell <pb@nexus.co.uk> * sysdeps/arm/sysdep.h (__ARM_USES_FP): Deleted. (PLTJMP): New macro. * sysdeps/arm/fpu/__longjmp.S: New file, implementation of longjmp() when floating point enabled. * sysdeps/arm/fpu/setjmp.S: Likewise for setjmp(). * sysdeps/arm/__longjmp.S: Remove floating point code. * sysdeps/arm/setjmp.S: Likewise. * sysdeps/arm/bsd-setjmp.S: Call __sigsetjmp by correct name. * sysdeps/arm/bsd-_setjmp.S: Likewise. * sysdeps/arm/memset.S: New file; optimised ARM implementation of memset(). * sysdeps/generic/setsockopt.c (setsockopt): Keep in step with prototype. 1998-03-17 16:16 Philip Blundell <pb@nexus.co.uk> Based on patches from Pat Beirne and Scott Bambrough: * sysdeps/arm/__longjmp.S: Use ip, not r2, as temporary. * sysdeps/arm/bits/fenv.h: New file. * sysdeps/arm/dl-machine.h: New file. Add ELF support. * sysdeps/arm/elf/setjmp.S: Likewise. * sysdeps/arm/elf/start.S: Likewise. * sysdeps/arm/init-first.c: Likewise. * sysdeps/arm/setjmp.S: Call __sigjmp_save through PLT * sysdeps/arm/sysdep.h: Change format of .type directive. Correct comment about floating point to reflect current reality. * sysdeps/unix/arm/brk.S: Support PIC. * sysdeps/unix/arm/sysdep.S (syscall_error): Support PIC and re-entrant code. * sysdeps/unix/sysv/linux/arm/socket.S: Check correctly for error return; call syscall_error through PLT. * sysdeps/unix/sysv/linux/arm/sysdep.h (ENTRY): Correct error jump. 1998-03-04 12:01 Philip Blundell <pb@nexus.co.uk> * sysdeps/unix/sysv/linux/netpacket/packet.h: New file. * sysdeps/unix/sysv/linux/netash/ash.h: Likewise. * sysdeps/unix/sysv/linux/Makefile (sysdep_headers): Install them.
1998-03-18 14:42:25 +00:00
extern void __libc_init_first (int argc, char **argv, char **envp);
extern int __libc_multiple_libcs;
#include <tls.h>
#ifndef SHARED
# include <dl-osinfo.h>
extern void __pthread_initialize_minimal (void)
# if !(USE_TLS - 0) && !defined NONTLS_INIT_TP
__attribute__ ((weak))
# endif
;
# ifndef THREAD_SET_STACK_GUARD
/* Only exported for architectures that don't store the stack guard canary
in thread local area. */
uintptr_t __stack_chk_guard attribute_relro;
# endif
#endif
#ifdef HAVE_PTR_NTHREADS
/* We need atomic operations. */
# include <atomic.h>
#endif
Update. 2000-11-20 Ulrich Drepper <drepper@redhat.com> * csu/gmon-start.c: Always have prototype for __gmon_start. * csu/version.c: Add prototypes for __libc_print_version and __libc_main. * iconv/gconv.c: Include gconv_int.h and gconv.h. * iconv/gconv.h (struct __gconv_step): Remove const from __from_name and __to_name. * iconv/gconv_builtin.h: Add ASCII module definitions. * iconv/gconv_conf.c (__gconv_path_elem): Remove const. (add_module): Add cast to avoid warning. Rework construction of strings for new module. * iconv/gconv_db.c (__gconv_alias_compare): Make s1 and s2 const. (derivation_compare): Likewise. * iconv/gconv_dl.c (do_release_shlib): Remove const from nodep. (__gconv_release_shlib): Cast do_release_shlib as parameter for twalk. * iconv/gconv_int.h (__gconv_path_elem): Remove const. (struct gconv_alias): Remove const from fromname and toname. * iconv/gconv_simple.c: Include gconv_builtin.h to get prototypes for loop functions. (internal_ucs4_loop): Use correct const-ness. (ucs4_internal_loop): Likewise. (internal_ucs4le_loop): Likewise. (ucs4le_internal_loop_single): Likewise. * iconv/gconv_trans.c (__gconv_transliterate): Make from_idx, from_tbl, to_idx, to_tbl, winbuf, winbufend const. Change casts in assignments appropriately. (struct known_trans): Remove const from fname. (trans_compare): Make s1 and s2 const. * iconv/loop.c (LOOPFC): Make outend parameter const. Add cast to avoid warning. * iconv/skeleton.c: Remove cast in calls of loop functions. * iconvdata/gconv-modules: Remove US-ASCII definitions. * iconvdata/iso646.c: Remove US_ASCII support. * include/set-hooks.h (DEFINE_HOOK): Also generate prototype. * include/unistd.h: Add __libc_check_standard_fds prototype. * string/bits/string2.h (__mempcpy_args): Add const to casts. * sysdeps/generic/initfini.c: Add prototypes for dummy, _init, and _fini. * sysdeps/generic/libc-start.c: Add prototype for __libc_start_main. * sysdeps/i386/i486/bits/string.h (strcmp): Add const to casts. * sysdeps/unix/sysv/linux/dl-osinfo.h (dl_fatal): Add cast to avoid warning. * sysdeps/unix/sysv/linux/init-first.c: Add prototypes for __libc_init_first and _dl_start. * sysdeps/unix/sysv/linux/mips/clone.S: Fix comments.
2000-11-20 09:16:41 +00:00
#ifdef LIBC_START_MAIN
# ifdef LIBC_START_DISABLE_INLINE
# define STATIC static
# else
# define STATIC static inline __attribute__ ((always_inline))
# endif
#else
# define STATIC
# define LIBC_START_MAIN BP_SYM (__libc_start_main)
#endif
#ifdef MAIN_AUXVEC_ARG
/* main gets passed a pointer to the auxiliary. */
# define MAIN_AUXVEC_DECL , void *
# define MAIN_AUXVEC_PARAM , auxvec
#else
# define MAIN_AUXVEC_DECL
# define MAIN_AUXVEC_PARAM
#endif
STATIC int LIBC_START_MAIN (int (*main) (int, char **, char **
MAIN_AUXVEC_DECL),
int argc,
char *__unbounded *__unbounded ubp_av,
#ifdef LIBC_START_MAIN_AUXVEC_ARG
ElfW(auxv_t) *__unbounded auxvec,
#endif
__typeof (main) init,
void (*fini) (void),
void (*rtld_fini) (void),
void *__unbounded stack_end)
Update. 2000-11-20 Ulrich Drepper <drepper@redhat.com> * csu/gmon-start.c: Always have prototype for __gmon_start. * csu/version.c: Add prototypes for __libc_print_version and __libc_main. * iconv/gconv.c: Include gconv_int.h and gconv.h. * iconv/gconv.h (struct __gconv_step): Remove const from __from_name and __to_name. * iconv/gconv_builtin.h: Add ASCII module definitions. * iconv/gconv_conf.c (__gconv_path_elem): Remove const. (add_module): Add cast to avoid warning. Rework construction of strings for new module. * iconv/gconv_db.c (__gconv_alias_compare): Make s1 and s2 const. (derivation_compare): Likewise. * iconv/gconv_dl.c (do_release_shlib): Remove const from nodep. (__gconv_release_shlib): Cast do_release_shlib as parameter for twalk. * iconv/gconv_int.h (__gconv_path_elem): Remove const. (struct gconv_alias): Remove const from fromname and toname. * iconv/gconv_simple.c: Include gconv_builtin.h to get prototypes for loop functions. (internal_ucs4_loop): Use correct const-ness. (ucs4_internal_loop): Likewise. (internal_ucs4le_loop): Likewise. (ucs4le_internal_loop_single): Likewise. * iconv/gconv_trans.c (__gconv_transliterate): Make from_idx, from_tbl, to_idx, to_tbl, winbuf, winbufend const. Change casts in assignments appropriately. (struct known_trans): Remove const from fname. (trans_compare): Make s1 and s2 const. * iconv/loop.c (LOOPFC): Make outend parameter const. Add cast to avoid warning. * iconv/skeleton.c: Remove cast in calls of loop functions. * iconvdata/gconv-modules: Remove US-ASCII definitions. * iconvdata/iso646.c: Remove US_ASCII support. * include/set-hooks.h (DEFINE_HOOK): Also generate prototype. * include/unistd.h: Add __libc_check_standard_fds prototype. * string/bits/string2.h (__mempcpy_args): Add const to casts. * sysdeps/generic/initfini.c: Add prototypes for dummy, _init, and _fini. * sysdeps/generic/libc-start.c: Add prototype for __libc_start_main. * sysdeps/i386/i486/bits/string.h (strcmp): Add const to casts. * sysdeps/unix/sysv/linux/dl-osinfo.h (dl_fatal): Add cast to avoid warning. * sysdeps/unix/sysv/linux/init-first.c: Add prototypes for __libc_init_first and _dl_start. * sysdeps/unix/sysv/linux/mips/clone.S: Fix comments.
2000-11-20 09:16:41 +00:00
__attribute__ ((noreturn));
* csu/elf-init.c (__libc_csu_fini): Don't do anything here. * sysdeps/generic/libc-start.c: Don't register program destructor here. * dlfcn/Makefile: Add rules to build dlfcn.c. (LDFLAGS-dl.so): Removed. * dlfcn/dlclose.c: _dl_close is now in ld.so, use function pointer table. * dlfcn/dlmopen.c: Likewise for _dl_open. * dlfcn/dlopen.c: Likewise. * dlfcn/dlopenold.c: Likewise. * elf/dl-libc.c: Likewise for _dl_open and _dl_close. * elf/Makefile (routines): Remove dl-open and dl-close. (dl-routines): Add dl-open, dl-close, and dl-trampoline. Add rules to build and run tst-audit1. * elf/tst-audit1.c: New file. * elf/tst-auditmod1.c: New file. * elf/Versions [libc]: Remove _dl_open and _dl_close. * elf/dl-close.c: Change for use inside ld.so instead of libc.so. * elf/dl-open.c: Likewise. * elf/dl-debug.c (_dl_debug_initialize): Allow reinitialization, signaled by nonzero parameter. * elf/dl-init.c: Fix use of r_state. * elf/dl-load.c: Likewise. * elf/dl-close.c: Add auditing checkpoints. * elf/dl-open.c: Likewise. * elf/dl-fini.c: Likewise. * elf/dl-load.c: Likewise. * elf/dl-sym.c: Likewise. * sysdeps/generic/libc-start.c: Likewise. * elf/dl-object.c: Allocate memory for auditing information. * elf/dl-reloc.c: Remove RESOLV. We now always need the map. Correctly initialize slotinfo. * elf/dynamic-link.h: Adjust after removal of RESOLV. * sysdeps/hppa/dl-lookupcfg.h: Likewise. * sysdeps/ia64/dl-lookupcfg.h: Likewise. * sysdeps/powerpc/powerpc64/dl-lookupcfg.h: Removed. * elf/dl-runtime.c (_dl_fixup): Little cleanup. (_dl_profile_fixup): New parameters to point to register struct and variable for frame size. Add auditing checkpoints. (_dl_call_pltexit): New function. Don't define trampoline code here. * elf/rtld.c: Recognize LD_AUDIT. Load modules on startup. Remove all the functions from _rtld_global_ro which only _dl_open and _dl_close needed. Add auditing checkpoints. * elf/link.h: Define symbols for auditing interfaces. * include/link.h: Likewise. * include/dlfcn.h: Define __RTLD_AUDIT. Remove prototypes for _dl_open and _dl_close. Adjust access to argc and argv in libdl. * dlfcn/dlfcn.c: New file. * sysdeps/generic/dl-lookupcfg.h: Remove all content now that RESOLVE is gone. * sysdeps/generic/ldsodefs.h: Add definitions for auditing interfaces. * sysdeps/generic/unsecvars.h: Add LD_AUDIT. * sysdeps/i386/dl-machine.h: Remove trampoline code here. Adjust for removal of RESOLVE. * sysdeps/x86_64/dl-machine.h: Likewise. * sysdeps/generic/dl-trampoline.c: New file. * sysdeps/i386/dl-trampoline.c: New file. * sysdeps/x86_64/dl-trampoline.c: New file. * sysdeps/generic/dl-tls.c: Cleanups. Fixup for dtv_t change. Fix updating of DTV. * sysdeps/generic/libc-tls.c: Likewise. * sysdeps/arm/bits/link.h: Renamed to ... * sysdeps/arm/buts/linkmap.h: ...this. * sysdeps/generic/bits/link.h: Renamed to... * sysdeps/generic/bits/linkmap.h: ...this. * sysdeps/hppa/bits/link.h: Renamed to... * sysdeps/hppa/bits/linkmap.h: ...this. * sysdeps/hppa/i386/link.h: Renamed to... * sysdeps/hppa/i386/linkmap.h: ...this. * sysdeps/hppa/ia64/link.h: Renamed to... * sysdeps/hppa/ia64/linkmap.h: ...this. * sysdeps/hppa/s390/link.h: Renamed to... * sysdeps/hppa/s390/linkmap.h: ...this. * sysdeps/hppa/sh/link.h: Renamed to... * sysdeps/hppa/sh/linkmap.h: ...this. * sysdeps/hppa/x86_64/link.h: Renamed to... * sysdeps/hppa/x86_64/linkmap.h: ...this. 2005-01-06 Ulrich Drepper <drepper@redhat.com> * allocatestack.c (init_one_static_tls): Adjust initialization of DTV entry for static tls deallocation fix. * sysdeps/alpha/tls.h (dtv_t): Change pointer type to be struct which also contains information whether the memory pointed to is static TLS or not. * sysdeps/i386/tls.h: Likewise. * sysdeps/ia64/tls.h: Likewise. * sysdeps/powerpc/tls.h: Likewise. * sysdeps/s390/tls.h: Likewise. * sysdeps/sh/tls.h: Likewise. * sysdeps/sparc/tls.h: Likewise. * sysdeps/x86_64/tls.h: Likewise.
2005-01-06 22:40:27 +00:00
/* Note: the fini parameter is ignored here for shared library. It
is registered with __cxa_atexit. This had the disadvantage that
finalizers were called in more than one place. */
STATIC int
LIBC_START_MAIN (int (*main) (int, char **, char ** MAIN_AUXVEC_DECL),
int argc, char *__unbounded *__unbounded ubp_av,
#ifdef LIBC_START_MAIN_AUXVEC_ARG
ElfW(auxv_t) *__unbounded auxvec,
#endif
__typeof (main) init,
void (*fini) (void),
void (*rtld_fini) (void), void *__unbounded stack_end)
{
#if __BOUNDED_POINTERS__
char **argv;
#else
# define argv ubp_av
#endif
/* Result of the 'main' function. */
int result;
__libc_multiple_libcs = &_dl_starting_up && !_dl_starting_up;
Update. 1998-06-07 13:32 Ulrich Drepper <drepper@cygnus.com> * libc.map: Add _dl_profile. * elf/dl-reloc.c (_dl_relocate_object): Take extra argument, pass this to ELF_DYNAMIC_RELOCATE. Always allocate array for relocation result if LD_PROFILE is defined. * elf/ldsodefs.h: Adjust prototypes. * elf/dl-open.c (_dl_open): Call relocation function with extra argument. * elf/rtld.c: Likewise. * elf/dl-profile.c (_dl_mcount): Don't mark as internal function. Correct loop condition. * elf/dynamic-link.h: Don't examine _dl_profile variable, pass consider_profile to runtime setup function. * sysdeps/i386/dl-machine.h (elf_machine_runtime_setup): Use _dl_runtime_profile for all shared objects if LD_PROFILE is defined. * elf/dl-support.c: Define __libc_stack_end. * elf/rtld.c: Likewise. * sysdeps/generic/libc-start.c: Store last stack address in __libc_stack_end. * sysdeps/i386/dl-machine.h (_dl_start_user): Store stack address. * sysdeps/i386/elf/start.s: Call __libc_start_main with extra argument. * elf/elf.h: Include <features.h>, not <sys/cdefs.h>. Include <stdint.h>, not <inttypes.h>. * elf/sprof.c: Implement flat profiling. * libio/fgetc.c: Call _IO_cleanup_region_end with 0 and call _IO_funlockfile explicitly. * libio/fileops.c: Likewise. * libio/fputc.c: Likewise. * libio/freopen.c: Likewise. * libio/freopen64.c: Likewise. * libio/fseek.c: Likewise. * libio/fseeko.c: Likewise. * libio/fseeko64.c: Likewise. * libio/ftello.c: Likewise. * libio/ftello64.c: Likewise. * libio/getc.c: Likewise. * libio/getchar.c: Likewise. * libio/iofclose.c: Likewise. * libio/iofflush.c: Likewise. * libio/iofgetpos.c: Likewise. * libio/iofgetpos64.c: Likewise. * libio/iofgets.c: Likewise. * libio/iofputs.c: Likewise. * libio/iofread.c: Likewise. * libio/iofsetpos.c: Likewise. * libio/iofsetpos64.c: Likewise. * libio/ioftell.c: Likewise. * libio/iofwrite.c: Likewise. * libio/iogetdelim.c: Likewise. * libio/iogets.c: Likewise. * libio/ioputs.c: Likewise. * libio/ioseekoff.c: Likewise. * libio/ioseekpos.c: Likewise. * libio/iosetbuffer.c: Likewise. * libio/iosetvbuf.c: Likewise. * libio/ioungetc.c: Likewise. * libio/iovsprintf.c: Likewise. * libio/iovsscanf.c: Likewise. * libio/oldfileops.c: Likewise. * libio/oldiofclose.c: Likewise. * libio/peekc.c: Likewise. * libio/putc.c: Likewise. * libio/putchar.c: Likewise. * libio/rewind.c: Likewise. * malloc/mtrace.c: Pretty print. * misc/mntent.h (struct mentent): Make string elements const char *. * nis/nis_printf.c: Optimize I/O a little bit. * signal/Makefile (distribute): Add sigset-cvt-mask.h. * sysdeps/generic/sigset-cvt-mask.h: New file. * sysdeps/unix/sysv/linux/sigset-cvt-mask.h: New file. * sysdeps/unix/sysv/sysv4/sigset-cvt-mask.h: New file. * sysdeps/posix/sigvec.c: Rewrite the use definitions from sigset-cvt-mask.h to do the dirty work. Patches by Joe Keane. * sysdeps/posix/mkstemp.c: Save one precious byte of rodata. * sysdeps/unix/sysv/linux/i386/sysdep.h: Rewrite PSEUDO etc to make syscall_error label in case of PIC anonymous. * sysdeps/unix/sysv/linux/i386/i686/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/i386/clone.S: Adapt for this change. * sysdeps/unix/sysv/linux/i386/mmap.S: Adapt for this change. * sysdeps/unix/sysv/linux/i386/s_pread64.S: Adapt for this change. * sysdeps/unix/sysv/linux/i386/s_pwrite64.S: Adapt for this change. * sysdeps/unix/sysv/linux/i386/socket.S: Adapt for this change. * sysdeps/unix/sysv/linux/i386/syscall.S: Adapt for this change.
1998-06-07 14:06:56 +00:00
#ifndef SHARED
char *__unbounded *__unbounded ubp_ev = &ubp_av[argc + 1];
INIT_ARGV_and_ENVIRON;
/* Store the lowest stack address. This is done in ld.so if this is
the code for the DSO. */
Update. 1998-06-07 13:32 Ulrich Drepper <drepper@cygnus.com> * libc.map: Add _dl_profile. * elf/dl-reloc.c (_dl_relocate_object): Take extra argument, pass this to ELF_DYNAMIC_RELOCATE. Always allocate array for relocation result if LD_PROFILE is defined. * elf/ldsodefs.h: Adjust prototypes. * elf/dl-open.c (_dl_open): Call relocation function with extra argument. * elf/rtld.c: Likewise. * elf/dl-profile.c (_dl_mcount): Don't mark as internal function. Correct loop condition. * elf/dynamic-link.h: Don't examine _dl_profile variable, pass consider_profile to runtime setup function. * sysdeps/i386/dl-machine.h (elf_machine_runtime_setup): Use _dl_runtime_profile for all shared objects if LD_PROFILE is defined. * elf/dl-support.c: Define __libc_stack_end. * elf/rtld.c: Likewise. * sysdeps/generic/libc-start.c: Store last stack address in __libc_stack_end. * sysdeps/i386/dl-machine.h (_dl_start_user): Store stack address. * sysdeps/i386/elf/start.s: Call __libc_start_main with extra argument. * elf/elf.h: Include <features.h>, not <sys/cdefs.h>. Include <stdint.h>, not <inttypes.h>. * elf/sprof.c: Implement flat profiling. * libio/fgetc.c: Call _IO_cleanup_region_end with 0 and call _IO_funlockfile explicitly. * libio/fileops.c: Likewise. * libio/fputc.c: Likewise. * libio/freopen.c: Likewise. * libio/freopen64.c: Likewise. * libio/fseek.c: Likewise. * libio/fseeko.c: Likewise. * libio/fseeko64.c: Likewise. * libio/ftello.c: Likewise. * libio/ftello64.c: Likewise. * libio/getc.c: Likewise. * libio/getchar.c: Likewise. * libio/iofclose.c: Likewise. * libio/iofflush.c: Likewise. * libio/iofgetpos.c: Likewise. * libio/iofgetpos64.c: Likewise. * libio/iofgets.c: Likewise. * libio/iofputs.c: Likewise. * libio/iofread.c: Likewise. * libio/iofsetpos.c: Likewise. * libio/iofsetpos64.c: Likewise. * libio/ioftell.c: Likewise. * libio/iofwrite.c: Likewise. * libio/iogetdelim.c: Likewise. * libio/iogets.c: Likewise. * libio/ioputs.c: Likewise. * libio/ioseekoff.c: Likewise. * libio/ioseekpos.c: Likewise. * libio/iosetbuffer.c: Likewise. * libio/iosetvbuf.c: Likewise. * libio/ioungetc.c: Likewise. * libio/iovsprintf.c: Likewise. * libio/iovsscanf.c: Likewise. * libio/oldfileops.c: Likewise. * libio/oldiofclose.c: Likewise. * libio/peekc.c: Likewise. * libio/putc.c: Likewise. * libio/putchar.c: Likewise. * libio/rewind.c: Likewise. * malloc/mtrace.c: Pretty print. * misc/mntent.h (struct mentent): Make string elements const char *. * nis/nis_printf.c: Optimize I/O a little bit. * signal/Makefile (distribute): Add sigset-cvt-mask.h. * sysdeps/generic/sigset-cvt-mask.h: New file. * sysdeps/unix/sysv/linux/sigset-cvt-mask.h: New file. * sysdeps/unix/sysv/sysv4/sigset-cvt-mask.h: New file. * sysdeps/posix/sigvec.c: Rewrite the use definitions from sigset-cvt-mask.h to do the dirty work. Patches by Joe Keane. * sysdeps/posix/mkstemp.c: Save one precious byte of rodata. * sysdeps/unix/sysv/linux/i386/sysdep.h: Rewrite PSEUDO etc to make syscall_error label in case of PIC anonymous. * sysdeps/unix/sysv/linux/i386/i686/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/i386/clone.S: Adapt for this change. * sysdeps/unix/sysv/linux/i386/mmap.S: Adapt for this change. * sysdeps/unix/sysv/linux/i386/s_pread64.S: Adapt for this change. * sysdeps/unix/sysv/linux/i386/s_pwrite64.S: Adapt for this change. * sysdeps/unix/sysv/linux/i386/socket.S: Adapt for this change. * sysdeps/unix/sysv/linux/i386/syscall.S: Adapt for this change.
1998-06-07 14:06:56 +00:00
__libc_stack_end = stack_end;
Update. 1998-03-18 14:25 Ulrich Drepper <drepper@cygnus.com> * string/bits/string2.h: Add optimization for strdup. Always define __strsep and __strtok_r and make real names available when feature select macros are defined. 1998-03-18 Andreas Jaeger <aj@arthur.rhein-neckar.de> * manual/install.texi (Installation): Use i486-linux as example instead of the unsupported sunos4. (Reporting Bugs): Mention glibcbug script. (Tools for Installation): gcc 2.8.1/egcs 1.0.2 is required. 1998-03-16 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * posix/wordexp-tst.sh: Make portable. Add more tests. * posix/Makefile (do-globtest do-wordexp-test): New targets. 1998-03-18 13:38 Ulrich Drepper <drepper@cygnus.com> * sysdeps/unix/sysv/linux/libc-start.c: Moved to ... * sysdeps/generic/libc-start.c: ...here, replacing former content. * sysdeps/unix/sysv/linux/Dist: Add netash/ash.h and netpacket/packet.h. * sysdeps/unix/sysv/linux/bits/socket.h: Pretty print. 1998-03-17 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/unix/sysv/linux/bits/resource.h: Remove trailing comma in enumerator for strict standard compliance. * sysdeps/generic/bits/resource.h: Likewise. 1998-03-18 10:04 Philip Blundell <pb@nexus.co.uk> * sysdeps/arm/sysdep.h (__ARM_USES_FP): Deleted. (PLTJMP): New macro. * sysdeps/arm/fpu/__longjmp.S: New file, implementation of longjmp() when floating point enabled. * sysdeps/arm/fpu/setjmp.S: Likewise for setjmp(). * sysdeps/arm/__longjmp.S: Remove floating point code. * sysdeps/arm/setjmp.S: Likewise. * sysdeps/arm/bsd-setjmp.S: Call __sigsetjmp by correct name. * sysdeps/arm/bsd-_setjmp.S: Likewise. * sysdeps/arm/memset.S: New file; optimised ARM implementation of memset(). * sysdeps/generic/setsockopt.c (setsockopt): Keep in step with prototype. 1998-03-17 16:16 Philip Blundell <pb@nexus.co.uk> Based on patches from Pat Beirne and Scott Bambrough: * sysdeps/arm/__longjmp.S: Use ip, not r2, as temporary. * sysdeps/arm/bits/fenv.h: New file. * sysdeps/arm/dl-machine.h: New file. Add ELF support. * sysdeps/arm/elf/setjmp.S: Likewise. * sysdeps/arm/elf/start.S: Likewise. * sysdeps/arm/init-first.c: Likewise. * sysdeps/arm/setjmp.S: Call __sigjmp_save through PLT * sysdeps/arm/sysdep.h: Change format of .type directive. Correct comment about floating point to reflect current reality. * sysdeps/unix/arm/brk.S: Support PIC. * sysdeps/unix/arm/sysdep.S (syscall_error): Support PIC and re-entrant code. * sysdeps/unix/sysv/linux/arm/socket.S: Check correctly for error return; call syscall_error through PLT. * sysdeps/unix/sysv/linux/arm/sysdep.h (ENTRY): Correct error jump. 1998-03-04 12:01 Philip Blundell <pb@nexus.co.uk> * sysdeps/unix/sysv/linux/netpacket/packet.h: New file. * sysdeps/unix/sysv/linux/netash/ash.h: Likewise. * sysdeps/unix/sysv/linux/Makefile (sysdep_headers): Install them.
1998-03-18 14:42:25 +00:00
# ifdef HAVE_AUX_VECTOR
/* First process the auxiliary vector since we need to find the
program header to locate an eventually present PT_TLS entry. */
# ifndef LIBC_START_MAIN_AUXVEC_ARG
ElfW(auxv_t) *__unbounded auxvec;
{
char *__unbounded *__unbounded evp = ubp_ev;
while (*evp++ != NULL)
;
auxvec = (ElfW(auxv_t) *__unbounded) evp;
}
# endif
_dl_aux_init (auxvec);
# endif
# ifdef DL_SYSDEP_OSCHECK
if (!__libc_multiple_libcs)
{
/* This needs to run to initiliaze _dl_osversion before TLS
setup might check it. */
DL_SYSDEP_OSCHECK (__libc_fatal);
}
# endif
/* Initialize the thread library at least a bit since the libgcc
functions are using thread functions if these are available and
we need to setup errno. If there is no thread library and we
handle TLS the function is defined in the libc to initialized the
TLS handling. */
# if !(USE_TLS - 0) && !defined NONTLS_INIT_TP
if (__pthread_initialize_minimal)
# endif
__pthread_initialize_minimal ();
#endif
# ifndef SHARED
/* Set up the stack checker's canary. */
uintptr_t stack_chk_guard = _dl_setup_stack_chk_guard ();
# ifdef THREAD_SET_STACK_GUARD
THREAD_SET_STACK_GUARD (stack_chk_guard);
# else
__stack_chk_guard = stack_chk_guard;
# endif
#endif
/* Register the destructor of the dynamic linker if there is any. */
if (__builtin_expect (rtld_fini != NULL, 1))
__cxa_atexit ((void (*) (void *)) rtld_fini, NULL, NULL);
#ifndef SHARED
Update. 2000-03-30 Ulrich Drepper <drepper@redhat.com> Implement dynamic determination of constructor/destructor order in the dynamic linker. * elf/Versions [ld.so] (GLIBC_2.0): Remove _dl_init_next. (GLIBC_2.2): Add _dl_init. * elf/dl-close.c: Also call all destructors in FINI_ARRAY. r_duplist is not anymore allocated separately. l_initfini is and therefore free it if necessary. * elf/dl-deps.c: If a searchlist has to be allocated, put all in one malloc block. Otherwise allocate l_initfini list only. Put dependencies for the object in l_initfini list. Sort dependencies for the object to be loaded topologically. * elf/dl-fini.c: Before running the destructors sort the topologically. * elf/dl-init.c (_dl_init): Renamed from _dl_init_next. Rewrite to call constructors instead of iterating over the pointers. Get list of objects for which to run constructors from l_initfini element. Accept argc, argv, and env as parameters and pass them to the constructors. * elf/ld-load.c (_dl_map_object_from_fd): Initialize l_ldnum member with size of dynamic section. * elf/dl-open.c (dl_open_worker): Only call _dl_init instead of _dl_init_next and calling constructors ourself. * elf/dl-preinit.c (_dl_preinit): Renamed from _dl_preinit_next. Take argc, argv, and env as parameters and pass them to the constructors. Rewrite to call all constructors and not iterate over the pointers. * elf/dynamic-link.h: Don't relocate DT_FINI_ARRAY entry. Don't precompute l_initcount and l_preinitcount. * elf/link.h (struct link_map): Add l_ldnum member. Make l_phdr_allocated part of the bitfield. Remove l_runcount, l_initcount, and l_preinitcount. Add l_initfini. * sysdeps/generic/ldsodefs.h: Replace _dl_init_next prototype with one for _dl_init. * sysdeps/i386/dl-machine (RTLD_START): Rewrite to match new init function interface. * sysdeps/unix/sysv/linux/init-first.h: Removed. * sysdeps/unix/sysv/linux/Dist: Delete file here as well. * sysdeps/unix/sysv/linux/init-first.c [PIC]: Don't use SYSDEP_CALL_INIT. Make _init a strong alias of init. The calling conventions now match. * sysdeps/generic/libc-start.c: Calling __libc_init_first has no effect for shared objects. Don't emit message and call only for static library.
2000-03-30 16:30:49 +00:00
/* Call the initializer of the libc. This is only needed here if we
are compiling for the static library in which case we haven't
run the constructors in `_dl_start_user'. */
Update. 1998-03-18 14:25 Ulrich Drepper <drepper@cygnus.com> * string/bits/string2.h: Add optimization for strdup. Always define __strsep and __strtok_r and make real names available when feature select macros are defined. 1998-03-18 Andreas Jaeger <aj@arthur.rhein-neckar.de> * manual/install.texi (Installation): Use i486-linux as example instead of the unsupported sunos4. (Reporting Bugs): Mention glibcbug script. (Tools for Installation): gcc 2.8.1/egcs 1.0.2 is required. 1998-03-16 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * posix/wordexp-tst.sh: Make portable. Add more tests. * posix/Makefile (do-globtest do-wordexp-test): New targets. 1998-03-18 13:38 Ulrich Drepper <drepper@cygnus.com> * sysdeps/unix/sysv/linux/libc-start.c: Moved to ... * sysdeps/generic/libc-start.c: ...here, replacing former content. * sysdeps/unix/sysv/linux/Dist: Add netash/ash.h and netpacket/packet.h. * sysdeps/unix/sysv/linux/bits/socket.h: Pretty print. 1998-03-17 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/unix/sysv/linux/bits/resource.h: Remove trailing comma in enumerator for strict standard compliance. * sysdeps/generic/bits/resource.h: Likewise. 1998-03-18 10:04 Philip Blundell <pb@nexus.co.uk> * sysdeps/arm/sysdep.h (__ARM_USES_FP): Deleted. (PLTJMP): New macro. * sysdeps/arm/fpu/__longjmp.S: New file, implementation of longjmp() when floating point enabled. * sysdeps/arm/fpu/setjmp.S: Likewise for setjmp(). * sysdeps/arm/__longjmp.S: Remove floating point code. * sysdeps/arm/setjmp.S: Likewise. * sysdeps/arm/bsd-setjmp.S: Call __sigsetjmp by correct name. * sysdeps/arm/bsd-_setjmp.S: Likewise. * sysdeps/arm/memset.S: New file; optimised ARM implementation of memset(). * sysdeps/generic/setsockopt.c (setsockopt): Keep in step with prototype. 1998-03-17 16:16 Philip Blundell <pb@nexus.co.uk> Based on patches from Pat Beirne and Scott Bambrough: * sysdeps/arm/__longjmp.S: Use ip, not r2, as temporary. * sysdeps/arm/bits/fenv.h: New file. * sysdeps/arm/dl-machine.h: New file. Add ELF support. * sysdeps/arm/elf/setjmp.S: Likewise. * sysdeps/arm/elf/start.S: Likewise. * sysdeps/arm/init-first.c: Likewise. * sysdeps/arm/setjmp.S: Call __sigjmp_save through PLT * sysdeps/arm/sysdep.h: Change format of .type directive. Correct comment about floating point to reflect current reality. * sysdeps/unix/arm/brk.S: Support PIC. * sysdeps/unix/arm/sysdep.S (syscall_error): Support PIC and re-entrant code. * sysdeps/unix/sysv/linux/arm/socket.S: Check correctly for error return; call syscall_error through PLT. * sysdeps/unix/sysv/linux/arm/sysdep.h (ENTRY): Correct error jump. 1998-03-04 12:01 Philip Blundell <pb@nexus.co.uk> * sysdeps/unix/sysv/linux/netpacket/packet.h: New file. * sysdeps/unix/sysv/linux/netash/ash.h: Likewise. * sysdeps/unix/sysv/linux/Makefile (sysdep_headers): Install them.
1998-03-18 14:42:25 +00:00
__libc_init_first (argc, argv, __environ);
/* Register the destructor of the program, if any. */
if (fini)
__cxa_atexit ((void (*) (void *)) fini, NULL, NULL);
/* Some security at this point. Prevent starting a SUID binary where
the standard file descriptors are not opened. We have to do this
only for statically linked applications since otherwise the dynamic
loader did the work already. */
if (__builtin_expect (__libc_enable_secure, 0))
__libc_check_standard_fds ();
#endif
* elf/dl-runtime.c (fixup, profile_fixup): The final arg to _dl_lookup_*symbol is DL_LOOKUP_NOPLT not ELF_MACHINE_JMP_SLOT. * elf/elf.h (EM_SPARC64): Remove. (EM_SPARC32PLUS, EM_SPARCV9): Add. (HWCAP_SPARC_V9): Add. * elf/ldsodefs.h (_dl_hwcap): Declare. * sysdeps/sparc/sparc32/dl-machine.h (_dl_hwcap, _dl_hwcap_mask): Weaken so dlopen from static progies works. (WEAKADDR): New macro. (elf_machine_matches_host): Accept EM_SPARC32PLUS on a v9 cpu. (LD_SO_PRELOAD): New macro. (elf_machine_fixup_plt): Cope with weak _dl_hwcap. (elf_machine_rela): Weaken _dl_rtld_map. * sysdeps/unix/sysv/linux/sparc/sparc32/clone.S: Rename __libc_clone to __clone, and remove the later's alias. * sysdeps/unix/sysv/linux/sparc/sparc64/clone.S: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c: Copy to/from the kernel's structure. 1998-04-06 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz> * elf/dl-runtime.c (fixup, profile_fixup): The final arg to _dl_lookup_*symbol is DL_LOOKUP_NOPLT not ELF_MACHINE_JMP_SLOT. * elf/elf.h (EM_SPARC64): Remove. (EM_SPARC32PLUS, EM_SPARCV9): Add. (HWCAP_SPARC_V9): Add. * elf/ldsodefs.h (_dl_hwcap): Declare. * sysdeps/sparc/sparc32/dl-machine.h (_dl_hwcap, _dl_hwcap_mask): Weaken so dlopen from static progies works. (WEAKADDR): New macro. (elf_machine_matches_host): Accept EM_SPARC32PLUS on a v9 cpu. (LD_SO_PRELOAD): New macro. (elf_machine_fixup_plt): Cope with weak _dl_hwcap. (elf_machine_rela): Weaken _dl_rtld_map. * sysdeps/unix/sysv/linux/sparc/sparc32/clone.S: Rename __libc_clone to __clone, and remove the later's alias. * sysdeps/unix/sysv/linux/sparc/sparc64/clone.S: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c: Copy to/from the kernel's structure. * sysdeps/generic/libc-start.c: Allow init and fini to be null.
1998-04-06 19:08:46 +00:00
/* Call the initializer of the program, if any. */
#ifdef SHARED
if (__builtin_expect (GLRO(dl_debug_mask) & DL_DEBUG_IMPCALLS, 0))
2004-03-06 08:19:29 +00:00
GLRO(dl_debug_printf) ("\ninitialize program: %s\n\n", argv[0]);
Update. 1998-03-18 14:25 Ulrich Drepper <drepper@cygnus.com> * string/bits/string2.h: Add optimization for strdup. Always define __strsep and __strtok_r and make real names available when feature select macros are defined. 1998-03-18 Andreas Jaeger <aj@arthur.rhein-neckar.de> * manual/install.texi (Installation): Use i486-linux as example instead of the unsupported sunos4. (Reporting Bugs): Mention glibcbug script. (Tools for Installation): gcc 2.8.1/egcs 1.0.2 is required. 1998-03-16 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * posix/wordexp-tst.sh: Make portable. Add more tests. * posix/Makefile (do-globtest do-wordexp-test): New targets. 1998-03-18 13:38 Ulrich Drepper <drepper@cygnus.com> * sysdeps/unix/sysv/linux/libc-start.c: Moved to ... * sysdeps/generic/libc-start.c: ...here, replacing former content. * sysdeps/unix/sysv/linux/Dist: Add netash/ash.h and netpacket/packet.h. * sysdeps/unix/sysv/linux/bits/socket.h: Pretty print. 1998-03-17 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/unix/sysv/linux/bits/resource.h: Remove trailing comma in enumerator for strict standard compliance. * sysdeps/generic/bits/resource.h: Likewise. 1998-03-18 10:04 Philip Blundell <pb@nexus.co.uk> * sysdeps/arm/sysdep.h (__ARM_USES_FP): Deleted. (PLTJMP): New macro. * sysdeps/arm/fpu/__longjmp.S: New file, implementation of longjmp() when floating point enabled. * sysdeps/arm/fpu/setjmp.S: Likewise for setjmp(). * sysdeps/arm/__longjmp.S: Remove floating point code. * sysdeps/arm/setjmp.S: Likewise. * sysdeps/arm/bsd-setjmp.S: Call __sigsetjmp by correct name. * sysdeps/arm/bsd-_setjmp.S: Likewise. * sysdeps/arm/memset.S: New file; optimised ARM implementation of memset(). * sysdeps/generic/setsockopt.c (setsockopt): Keep in step with prototype. 1998-03-17 16:16 Philip Blundell <pb@nexus.co.uk> Based on patches from Pat Beirne and Scott Bambrough: * sysdeps/arm/__longjmp.S: Use ip, not r2, as temporary. * sysdeps/arm/bits/fenv.h: New file. * sysdeps/arm/dl-machine.h: New file. Add ELF support. * sysdeps/arm/elf/setjmp.S: Likewise. * sysdeps/arm/elf/start.S: Likewise. * sysdeps/arm/init-first.c: Likewise. * sysdeps/arm/setjmp.S: Call __sigjmp_save through PLT * sysdeps/arm/sysdep.h: Change format of .type directive. Correct comment about floating point to reflect current reality. * sysdeps/unix/arm/brk.S: Support PIC. * sysdeps/unix/arm/sysdep.S (syscall_error): Support PIC and re-entrant code. * sysdeps/unix/sysv/linux/arm/socket.S: Check correctly for error return; call syscall_error through PLT. * sysdeps/unix/sysv/linux/arm/sysdep.h (ENTRY): Correct error jump. 1998-03-04 12:01 Philip Blundell <pb@nexus.co.uk> * sysdeps/unix/sysv/linux/netpacket/packet.h: New file. * sysdeps/unix/sysv/linux/netash/ash.h: Likewise. * sysdeps/unix/sysv/linux/Makefile (sysdep_headers): Install them.
1998-03-18 14:42:25 +00:00
#endif
* elf/dl-runtime.c (fixup, profile_fixup): The final arg to _dl_lookup_*symbol is DL_LOOKUP_NOPLT not ELF_MACHINE_JMP_SLOT. * elf/elf.h (EM_SPARC64): Remove. (EM_SPARC32PLUS, EM_SPARCV9): Add. (HWCAP_SPARC_V9): Add. * elf/ldsodefs.h (_dl_hwcap): Declare. * sysdeps/sparc/sparc32/dl-machine.h (_dl_hwcap, _dl_hwcap_mask): Weaken so dlopen from static progies works. (WEAKADDR): New macro. (elf_machine_matches_host): Accept EM_SPARC32PLUS on a v9 cpu. (LD_SO_PRELOAD): New macro. (elf_machine_fixup_plt): Cope with weak _dl_hwcap. (elf_machine_rela): Weaken _dl_rtld_map. * sysdeps/unix/sysv/linux/sparc/sparc32/clone.S: Rename __libc_clone to __clone, and remove the later's alias. * sysdeps/unix/sysv/linux/sparc/sparc64/clone.S: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c: Copy to/from the kernel's structure. 1998-04-06 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz> * elf/dl-runtime.c (fixup, profile_fixup): The final arg to _dl_lookup_*symbol is DL_LOOKUP_NOPLT not ELF_MACHINE_JMP_SLOT. * elf/elf.h (EM_SPARC64): Remove. (EM_SPARC32PLUS, EM_SPARCV9): Add. (HWCAP_SPARC_V9): Add. * elf/ldsodefs.h (_dl_hwcap): Declare. * sysdeps/sparc/sparc32/dl-machine.h (_dl_hwcap, _dl_hwcap_mask): Weaken so dlopen from static progies works. (WEAKADDR): New macro. (elf_machine_matches_host): Accept EM_SPARC32PLUS on a v9 cpu. (LD_SO_PRELOAD): New macro. (elf_machine_fixup_plt): Cope with weak _dl_hwcap. (elf_machine_rela): Weaken _dl_rtld_map. * sysdeps/unix/sysv/linux/sparc/sparc32/clone.S: Rename __libc_clone to __clone, and remove the later's alias. * sysdeps/unix/sysv/linux/sparc/sparc64/clone.S: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c: Copy to/from the kernel's structure. * sysdeps/generic/libc-start.c: Allow init and fini to be null.
1998-04-06 19:08:46 +00:00
if (init)
(*init) (argc, argv, __environ MAIN_AUXVEC_PARAM);
* csu/elf-init.c (__libc_csu_fini): Don't do anything here. * sysdeps/generic/libc-start.c: Don't register program destructor here. * dlfcn/Makefile: Add rules to build dlfcn.c. (LDFLAGS-dl.so): Removed. * dlfcn/dlclose.c: _dl_close is now in ld.so, use function pointer table. * dlfcn/dlmopen.c: Likewise for _dl_open. * dlfcn/dlopen.c: Likewise. * dlfcn/dlopenold.c: Likewise. * elf/dl-libc.c: Likewise for _dl_open and _dl_close. * elf/Makefile (routines): Remove dl-open and dl-close. (dl-routines): Add dl-open, dl-close, and dl-trampoline. Add rules to build and run tst-audit1. * elf/tst-audit1.c: New file. * elf/tst-auditmod1.c: New file. * elf/Versions [libc]: Remove _dl_open and _dl_close. * elf/dl-close.c: Change for use inside ld.so instead of libc.so. * elf/dl-open.c: Likewise. * elf/dl-debug.c (_dl_debug_initialize): Allow reinitialization, signaled by nonzero parameter. * elf/dl-init.c: Fix use of r_state. * elf/dl-load.c: Likewise. * elf/dl-close.c: Add auditing checkpoints. * elf/dl-open.c: Likewise. * elf/dl-fini.c: Likewise. * elf/dl-load.c: Likewise. * elf/dl-sym.c: Likewise. * sysdeps/generic/libc-start.c: Likewise. * elf/dl-object.c: Allocate memory for auditing information. * elf/dl-reloc.c: Remove RESOLV. We now always need the map. Correctly initialize slotinfo. * elf/dynamic-link.h: Adjust after removal of RESOLV. * sysdeps/hppa/dl-lookupcfg.h: Likewise. * sysdeps/ia64/dl-lookupcfg.h: Likewise. * sysdeps/powerpc/powerpc64/dl-lookupcfg.h: Removed. * elf/dl-runtime.c (_dl_fixup): Little cleanup. (_dl_profile_fixup): New parameters to point to register struct and variable for frame size. Add auditing checkpoints. (_dl_call_pltexit): New function. Don't define trampoline code here. * elf/rtld.c: Recognize LD_AUDIT. Load modules on startup. Remove all the functions from _rtld_global_ro which only _dl_open and _dl_close needed. Add auditing checkpoints. * elf/link.h: Define symbols for auditing interfaces. * include/link.h: Likewise. * include/dlfcn.h: Define __RTLD_AUDIT. Remove prototypes for _dl_open and _dl_close. Adjust access to argc and argv in libdl. * dlfcn/dlfcn.c: New file. * sysdeps/generic/dl-lookupcfg.h: Remove all content now that RESOLVE is gone. * sysdeps/generic/ldsodefs.h: Add definitions for auditing interfaces. * sysdeps/generic/unsecvars.h: Add LD_AUDIT. * sysdeps/i386/dl-machine.h: Remove trampoline code here. Adjust for removal of RESOLVE. * sysdeps/x86_64/dl-machine.h: Likewise. * sysdeps/generic/dl-trampoline.c: New file. * sysdeps/i386/dl-trampoline.c: New file. * sysdeps/x86_64/dl-trampoline.c: New file. * sysdeps/generic/dl-tls.c: Cleanups. Fixup for dtv_t change. Fix updating of DTV. * sysdeps/generic/libc-tls.c: Likewise. * sysdeps/arm/bits/link.h: Renamed to ... * sysdeps/arm/buts/linkmap.h: ...this. * sysdeps/generic/bits/link.h: Renamed to... * sysdeps/generic/bits/linkmap.h: ...this. * sysdeps/hppa/bits/link.h: Renamed to... * sysdeps/hppa/bits/linkmap.h: ...this. * sysdeps/hppa/i386/link.h: Renamed to... * sysdeps/hppa/i386/linkmap.h: ...this. * sysdeps/hppa/ia64/link.h: Renamed to... * sysdeps/hppa/ia64/linkmap.h: ...this. * sysdeps/hppa/s390/link.h: Renamed to... * sysdeps/hppa/s390/linkmap.h: ...this. * sysdeps/hppa/sh/link.h: Renamed to... * sysdeps/hppa/sh/linkmap.h: ...this. * sysdeps/hppa/x86_64/link.h: Renamed to... * sysdeps/hppa/x86_64/linkmap.h: ...this. 2005-01-06 Ulrich Drepper <drepper@redhat.com> * allocatestack.c (init_one_static_tls): Adjust initialization of DTV entry for static tls deallocation fix. * sysdeps/alpha/tls.h (dtv_t): Change pointer type to be struct which also contains information whether the memory pointed to is static TLS or not. * sysdeps/i386/tls.h: Likewise. * sysdeps/ia64/tls.h: Likewise. * sysdeps/powerpc/tls.h: Likewise. * sysdeps/s390/tls.h: Likewise. * sysdeps/sh/tls.h: Likewise. * sysdeps/sparc/tls.h: Likewise. * sysdeps/x86_64/tls.h: Likewise.
2005-01-06 22:40:27 +00:00
#ifdef SHARED
/* Auditing checkpoint: we have a new object. */
if (__builtin_expect (GLRO(dl_naudit) > 0, 0))
{
struct audit_ifaces *afct = GLRO(dl_audit);
struct link_map *head = GL(dl_ns)[LM_ID_BASE]._ns_loaded;
for (unsigned int cnt = 0; cnt < GLRO(dl_naudit); ++cnt)
{
if (afct->preinit != NULL)
afct->preinit (&head->l_audit[cnt].cookie);
afct = afct->next;
}
}
#endif
#ifdef SHARED
if (__builtin_expect (GLRO(dl_debug_mask) & DL_DEBUG_IMPCALLS, 0))
2004-03-06 08:19:29 +00:00
GLRO(dl_debug_printf) ("\ntransferring control: %s\n\n", argv[0]);
Update. 1998-03-18 14:25 Ulrich Drepper <drepper@cygnus.com> * string/bits/string2.h: Add optimization for strdup. Always define __strsep and __strtok_r and make real names available when feature select macros are defined. 1998-03-18 Andreas Jaeger <aj@arthur.rhein-neckar.de> * manual/install.texi (Installation): Use i486-linux as example instead of the unsupported sunos4. (Reporting Bugs): Mention glibcbug script. (Tools for Installation): gcc 2.8.1/egcs 1.0.2 is required. 1998-03-16 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * posix/wordexp-tst.sh: Make portable. Add more tests. * posix/Makefile (do-globtest do-wordexp-test): New targets. 1998-03-18 13:38 Ulrich Drepper <drepper@cygnus.com> * sysdeps/unix/sysv/linux/libc-start.c: Moved to ... * sysdeps/generic/libc-start.c: ...here, replacing former content. * sysdeps/unix/sysv/linux/Dist: Add netash/ash.h and netpacket/packet.h. * sysdeps/unix/sysv/linux/bits/socket.h: Pretty print. 1998-03-17 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/unix/sysv/linux/bits/resource.h: Remove trailing comma in enumerator for strict standard compliance. * sysdeps/generic/bits/resource.h: Likewise. 1998-03-18 10:04 Philip Blundell <pb@nexus.co.uk> * sysdeps/arm/sysdep.h (__ARM_USES_FP): Deleted. (PLTJMP): New macro. * sysdeps/arm/fpu/__longjmp.S: New file, implementation of longjmp() when floating point enabled. * sysdeps/arm/fpu/setjmp.S: Likewise for setjmp(). * sysdeps/arm/__longjmp.S: Remove floating point code. * sysdeps/arm/setjmp.S: Likewise. * sysdeps/arm/bsd-setjmp.S: Call __sigsetjmp by correct name. * sysdeps/arm/bsd-_setjmp.S: Likewise. * sysdeps/arm/memset.S: New file; optimised ARM implementation of memset(). * sysdeps/generic/setsockopt.c (setsockopt): Keep in step with prototype. 1998-03-17 16:16 Philip Blundell <pb@nexus.co.uk> Based on patches from Pat Beirne and Scott Bambrough: * sysdeps/arm/__longjmp.S: Use ip, not r2, as temporary. * sysdeps/arm/bits/fenv.h: New file. * sysdeps/arm/dl-machine.h: New file. Add ELF support. * sysdeps/arm/elf/setjmp.S: Likewise. * sysdeps/arm/elf/start.S: Likewise. * sysdeps/arm/init-first.c: Likewise. * sysdeps/arm/setjmp.S: Call __sigjmp_save through PLT * sysdeps/arm/sysdep.h: Change format of .type directive. Correct comment about floating point to reflect current reality. * sysdeps/unix/arm/brk.S: Support PIC. * sysdeps/unix/arm/sysdep.S (syscall_error): Support PIC and re-entrant code. * sysdeps/unix/sysv/linux/arm/socket.S: Check correctly for error return; call syscall_error through PLT. * sysdeps/unix/sysv/linux/arm/sysdep.h (ENTRY): Correct error jump. 1998-03-04 12:01 Philip Blundell <pb@nexus.co.uk> * sysdeps/unix/sysv/linux/netpacket/packet.h: New file. * sysdeps/unix/sysv/linux/netash/ash.h: Likewise. * sysdeps/unix/sysv/linux/Makefile (sysdep_headers): Install them.
1998-03-18 14:42:25 +00:00
#endif
#ifdef HAVE_CLEANUP_JMP_BUF
/* Memory for the cancellation buffer. */
struct pthread_unwind_buf unwind_buf;
int not_first_call;
not_first_call = setjmp ((struct __jmp_buf_tag *) unwind_buf.cancel_jmp_buf);
if (__builtin_expect (! not_first_call, 1))
{
struct pthread *self = THREAD_SELF;
/* Store old info. */
unwind_buf.priv.data.prev = THREAD_GETMEM (self, cleanup_jmp_buf);
unwind_buf.priv.data.cleanup = THREAD_GETMEM (self, cleanup);
/* Store the new cleanup handler info. */
THREAD_SETMEM (self, cleanup_jmp_buf, &unwind_buf);
/* Run the program. */
result = main (argc, argv, __environ MAIN_AUXVEC_PARAM);
}
else
{
/* Remove the thread-local data. */
# ifdef SHARED
__libc_pthread_functions.ptr__nptl_deallocate_tsd ();
# else
extern void __nptl_deallocate_tsd (void) __attribute ((weak));
__nptl_deallocate_tsd ();
# endif
/* One less thread. Decrement the counter. If it is zero we
terminate the entire process. */
result = 0;
# ifdef SHARED
[BZ #284, BZ #721] * intl/dcigettext.c (_nl_find_msg): Add a cast. * nis/nis_clone_dir.c (nis_clone_directory): Use char * for ADDR. * nis/nis_clone_obj.c (nis_clone_object): Likewise. * nis/nis_clone_res.c (nis_clone_result): Likewise. * resolv/nss_dns/dns-network.c (getanswer_r): Use const unsigned char * for END_OF_MESSAGE and CP. * resolv/res_send.c (send_dg): Add else branch for case impossible unless `poll' is buggy. * crypt/crypt_util.c (__setkey_r): Add a cast. * locale/programs/linereader.c (get_toplvl_escape): Use size_t for NBYTES, and unsigned char * for BYTES. * locale/programs/charmap.c (charmap_new_char): Use size_t and unsighed char * for NBYTES, BYTES parameters. * sysdeps/generic/dl-hash.h (_dl_elf_hash): Take const char * argument and cast it. * sysdeps/i386/i686/dl-hash.h (_dl_elf_hash): Likewise. * sunrpc/create_xid.c (_create_xid): Don't use unsigned long for RES. * sunrpc/svcauth_des.c (_svcauth_des): Fix cast type. * sunrpc/auth_des.c (authdes_create): Don't use u_char for PKEY_DATA. (authdes_marshal): Don't use unsigned int for LEN. * sunrpc/xdr.c (xdr_hyper): Don't use unsigned long for T2. (xdr_u_hyper): Likewise. (xdr_u_short): Don't use u_long for L. * sunrpc/xdr_intXX_t.c (xdr_int64_t): Don't use uint32_t for T2. * inet/rexec.c (rexec_af): Use socklen_t. * sunrpc/key_call.c (getkeyserv_handle): Likewise. * sunrpc/rtime.c (rtime): Likewise. * resolv/res_send.c (send_vc, send_dg): Likewise. * nis/nis_callback.c (__nis_create_callback): Likewise. * sysdeps/generic/libc-start.c: Use unsigned int for nthreads ptr. * sysdeps/posix/getaddrinfo.c (gaih_inet): Fix type of ADDR local. * libio/libio.h (_IO_BE): Add parenthesis around EXPR. * intl/dcigettext.c (INTVARDEF, INTUSE): Macros removed. (_nl_default_dirname): Use libc_hidden_data_def instead of INTVARDEF. (libc_freeres_fn, DCIGETTEXT): Don't use INTUSE. * intl/bindtextdom.c (INTUSE): Macro removed. (_nl_default_dirname): Use libc_hidden_proto. (set_binding_values): Don't use INTUSE. * include/libintl.h (_libc_intl_domainname_internal): Decl removed. (_libc_intl_domainname): Use libc_hidden_proto. * posix/regex_internal.h (gettext): Remove INTUSE on it. * locale/SYS_libc.c (_libc_intl_domainname): Use libc_hidden_data_def rather than INTDEF. * include/libintl.h (_): Don't use *_internal name. * ctype/ctype-extn.c (__ctype_tolower, __ctype_toupper): Use int32_t, not uint32_t. * locale/lc-ctype.c (_nl_postload_ctype): Likewise for assignments. * iconv/gconv_open.c (__gconv_open): Remove useless cast. [BZ #721] * sysdeps/i386/dl-machine.h (ELF_MACHINE_NO_RELA): Define this outside of [RESOLVE_MAP]. * sysdeps/sh/dl-machine.h (ELF_MACHINE_NO_REL): Likewise. * sysdeps/powerpc/powerpc32/dl-machine.h (elf_machine_rel, elf_machine_rel_relative): Removed. * sysdeps/powerpc/powerpc64/dl-machine.h (elf_machine_rel, elf_machine_rel_relative): Removed. 2005-02-03 Alexandre Oliva <aoliva@redhat.com> [BZ #721] * elf/dynamic-link.h: Don't declare nested auto functions that are not going to be defined. 2004-07-23 Jakub Jelinek <jakub@redhat.com> [BZ #284] * include/features.h (_POSIX_SOURCE, _POSIX_C_SOURCE): Define if _XOPEN_SOURCE >= 500 even if __STRICT_ANSI__ is defined. 2005-02-16 Roland McGrath <roland@redhat.com>
2005-02-17 01:19:55 +00:00
unsigned int *const ptr = __libc_pthread_functions.ptr_nthreads;
# else
[BZ #284, BZ #721] * intl/dcigettext.c (_nl_find_msg): Add a cast. * nis/nis_clone_dir.c (nis_clone_directory): Use char * for ADDR. * nis/nis_clone_obj.c (nis_clone_object): Likewise. * nis/nis_clone_res.c (nis_clone_result): Likewise. * resolv/nss_dns/dns-network.c (getanswer_r): Use const unsigned char * for END_OF_MESSAGE and CP. * resolv/res_send.c (send_dg): Add else branch for case impossible unless `poll' is buggy. * crypt/crypt_util.c (__setkey_r): Add a cast. * locale/programs/linereader.c (get_toplvl_escape): Use size_t for NBYTES, and unsigned char * for BYTES. * locale/programs/charmap.c (charmap_new_char): Use size_t and unsighed char * for NBYTES, BYTES parameters. * sysdeps/generic/dl-hash.h (_dl_elf_hash): Take const char * argument and cast it. * sysdeps/i386/i686/dl-hash.h (_dl_elf_hash): Likewise. * sunrpc/create_xid.c (_create_xid): Don't use unsigned long for RES. * sunrpc/svcauth_des.c (_svcauth_des): Fix cast type. * sunrpc/auth_des.c (authdes_create): Don't use u_char for PKEY_DATA. (authdes_marshal): Don't use unsigned int for LEN. * sunrpc/xdr.c (xdr_hyper): Don't use unsigned long for T2. (xdr_u_hyper): Likewise. (xdr_u_short): Don't use u_long for L. * sunrpc/xdr_intXX_t.c (xdr_int64_t): Don't use uint32_t for T2. * inet/rexec.c (rexec_af): Use socklen_t. * sunrpc/key_call.c (getkeyserv_handle): Likewise. * sunrpc/rtime.c (rtime): Likewise. * resolv/res_send.c (send_vc, send_dg): Likewise. * nis/nis_callback.c (__nis_create_callback): Likewise. * sysdeps/generic/libc-start.c: Use unsigned int for nthreads ptr. * sysdeps/posix/getaddrinfo.c (gaih_inet): Fix type of ADDR local. * libio/libio.h (_IO_BE): Add parenthesis around EXPR. * intl/dcigettext.c (INTVARDEF, INTUSE): Macros removed. (_nl_default_dirname): Use libc_hidden_data_def instead of INTVARDEF. (libc_freeres_fn, DCIGETTEXT): Don't use INTUSE. * intl/bindtextdom.c (INTUSE): Macro removed. (_nl_default_dirname): Use libc_hidden_proto. (set_binding_values): Don't use INTUSE. * include/libintl.h (_libc_intl_domainname_internal): Decl removed. (_libc_intl_domainname): Use libc_hidden_proto. * posix/regex_internal.h (gettext): Remove INTUSE on it. * locale/SYS_libc.c (_libc_intl_domainname): Use libc_hidden_data_def rather than INTDEF. * include/libintl.h (_): Don't use *_internal name. * ctype/ctype-extn.c (__ctype_tolower, __ctype_toupper): Use int32_t, not uint32_t. * locale/lc-ctype.c (_nl_postload_ctype): Likewise for assignments. * iconv/gconv_open.c (__gconv_open): Remove useless cast. [BZ #721] * sysdeps/i386/dl-machine.h (ELF_MACHINE_NO_RELA): Define this outside of [RESOLVE_MAP]. * sysdeps/sh/dl-machine.h (ELF_MACHINE_NO_REL): Likewise. * sysdeps/powerpc/powerpc32/dl-machine.h (elf_machine_rel, elf_machine_rel_relative): Removed. * sysdeps/powerpc/powerpc64/dl-machine.h (elf_machine_rel, elf_machine_rel_relative): Removed. 2005-02-03 Alexandre Oliva <aoliva@redhat.com> [BZ #721] * elf/dynamic-link.h: Don't declare nested auto functions that are not going to be defined. 2004-07-23 Jakub Jelinek <jakub@redhat.com> [BZ #284] * include/features.h (_POSIX_SOURCE, _POSIX_C_SOURCE): Define if _XOPEN_SOURCE >= 500 even if __STRICT_ANSI__ is defined. 2005-02-16 Roland McGrath <roland@redhat.com>
2005-02-17 01:19:55 +00:00
extern unsigned int __nptl_nthreads __attribute ((weak));
unsigned int *const ptr = &__nptl_nthreads;
# endif
if (! atomic_decrement_and_test (ptr))
/* Not much left to do but to exit the thread, not the process. */
__exit_thread (0);
}
#else
/* Nothing fancy, just call the function. */
result = main (argc, argv, __environ MAIN_AUXVEC_PARAM);
#endif
exit (result);
}