From fb23eb252f19c0066fdd45b69673a1beb328295f Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Fri, 1 Feb 2002 23:24:05 +0000 Subject: Update. 2002-02-01 Jakub Jelinek * Versions.def (libc): Add GLIBC_PRIVATE. (libdb, libnss_db, libdb1): Remove. (libnss_compat, libnss_dns, libnss_files, libnss_hesiod, libnss_nis, libnss_nisplus): Move all symbols to GLIBC_PRIVATE. (libpthread): Add GLIBC_PRIVATE. (libresolv): Likewise, remove GLIBC_2.1. (ld): Add GLIBC_PRIVATE, remove GLIBC_2.1.1, GLIBC_2.2, GLIBC_2.2.1, GLIBC_2.2.3, GLIBC_2.3. * catgets/Versions (__open_catalog): Move to GLIBC_PRIVATE. * elf/Versions (_dl_open, _dl_close, _dl_addr, _dl_init_first, _dl_sym, _dl_vsym): Likewise. (__libc_enable_secure, __libc_stack_end, _dl_argv, _dl_catch_error, _dl_check_all_versions, _dl_check_map_versions, _dl_debug_initialize, _dl_debug_printf, _dl_debug_state, _dl_dst_count, _dl_dst_substitute, _dl_init, _dl_lookup_symbol, _dl_lookup_symbol_skip, _dl_lookup_versioned_symbol, _dl_lookup_versioned_symbol_skip, _dl_map_object, _dl_map_object_deps, _dl_out_of_memory, _dl_relocate_object, _dl_signal_error, _dl_start_profile, _dl_starting_up, _dl_sysdep_start, _dl_unload_cache, _rtld_global): Likewise. (_dl_object_relocation_scope): Remove. * hesiod/Versions: Move all symbols to GLIBC_PRIVATE. * iconv/Versions (__gconv_alias_db, __gconv_modules_db, __gconv_cache): Move to GLIBC_PRIVATE. * inet/Versions (__internal_endnetgrent, __internal_getnetgrent_r, __internal_setnetgrent): Likewise. * io/Versions (__libc_open, __libc_close, __libc_read, __libc_write, __libc_lseek, __libc_fcntl, __libc_open64, __libc_lseek64): Likewise. * locale/Versions (__collate_element_hash, __collate_element_strings, __collate_symbol_classes, __collate_symbol_hash, __collate_symbol_strings, _nl_current_LC_COLLATE, _nl_current_LC_CTYPE): Likewise. * misc/Versions (__libc_fsync, __libc_msync): Likewise. * nis/Versions (libnss_compat): Move all symbols to GLIBC_PRIVATE. (libnss_nis, libnss_nisplus): Likewise. * nss/Versions (_nss_files_parse_grent, _nss_files_parse_pwent, _nss_files_parse_spent): Move to GLIBC_PRIVATE. (libnss_files): Move all symbols to GLIBC_PRIVATE. * posix/Versions (__libc_wait, __libc_waitpid, __libc_pause, __libc_nanosleep, __libc_fork, __libc_pread, __libc_pread64, __libc_pwrite, __libc_pwrite64): Move to GLIBC_PRIVATE. * resolv/Versions (__gai_sigqueue, __ns_name_unpack, __ns_name_ntop, __ns_get16, __ns_samename): Likewise. (libnss_dns): Move all symbols to GLIBC_PRIVATE. * setjmp/Versions (__libc_longjmp, __libc_siglongjmp): Move to GLIBC_PRIVATE. * socket/Versions (__libc_accept, __libc_send, __libc_recvfrom, __libc_recvmsg, __libc_sendmsg, __libc_recv, __libc_sendto, __libc_connect): Likewise. * stdio-common/Versions (_itoa_lower_digits, _itoa_upper_digits): Likewise. * stdlib/Versions (__libc_system): Likewise. * sunrpc/Versions (__rpc_thread_destroy): Likewise. * sysdeps/hppa/Versions: Move all symbols to GLIBC_PRIVATE. * sysdeps/ia64/fpu/Versions: Likewise. * sysdeps/ia64/Versions: Likewise. * sysdeps/unix/sysv/linux/ia64/Versions: Likewise. * sysdeps/unix/sysv/linux/i386/Versions (__modify_ldt): Move to GLIBC_PRIVATE. * sysdeps/unix/sysv/linux/x86_64/Versions (__modify_ldt): Likewise. * sysdeps/unix/sysv/linux/Versions (__syscall_rt_sigqueueinfo, __libc_sigaction): Likewise. * termios/Versions (__libc_tcdrain): Likewise. * misc/sys/cdefs (__attribute_noinline__): Define. * elf/dl-lookup.c (_dl_do_lookup, _dl_do_lookup_versioned): Add __attribute_noinline__. * elf/Makefile (rtld-routines): Add dl-xstat64, dl-fxstat64. * elf/dl-xstat64.c: New file. * elf/dl-fxstat64.c: New file. * sysdeps/unix/sysv/linux/fxstat64.c: If RTLD_STAT64 is defined, don't export __fxstat64 at multiple versions. * sysdeps/unix/sysv/linux/lxstat64.c: Similarly. * sysdeps/unix/sysv/linux/xstat64.c: Similarly. --- elf/Makefile | 3 ++- elf/Versions | 55 ++++++++++++++++++------------------------------------- elf/dl-fxstat64.c | 25 +++++++++++++++++++++++++ elf/dl-lookup.c | 4 ++-- elf/dl-xstat64.c | 25 +++++++++++++++++++++++++ 5 files changed, 72 insertions(+), 40 deletions(-) create mode 100644 elf/dl-fxstat64.c create mode 100644 elf/dl-xstat64.c (limited to 'elf') diff --git a/elf/Makefile b/elf/Makefile index 05f5c5aeb1..12277741c4 100644 --- a/elf/Makefile +++ b/elf/Makefile @@ -37,7 +37,8 @@ elide-routines.os = $(all-dl-routines) dl-support enbl-secure \ # ld.so uses those routines, plus some special stuff for being the program # interpreter and operating independent of libc. -rtld-routines := rtld $(dl-routines) dl-sysdep dl-environ dl-minimal +rtld-routines := rtld $(dl-routines) dl-sysdep dl-environ dl-minimal \ + dl-xstat64 dl-fxstat64 all-rtld-routines = $(rtld-routines) $(sysdep-rtld-routines) distribute := $(rtld-routines:=.c) dynamic-link.h do-rel.h dl-machine.h \ diff --git a/elf/Versions b/elf/Versions index af4f4b84a8..4c7806d8e6 100644 --- a/elf/Versions +++ b/elf/Versions @@ -1,7 +1,5 @@ libc { GLIBC_2.0 { - # functions used in other libraries - _dl_open; _dl_close; _dl_addr; %ifdef EXPORT_UNWIND_FIND_FDE __register_frame_info; __deregister_frame_info; %endif @@ -10,13 +8,6 @@ libc { # functions used in other libraries _dl_mcount_wrapper; _dl_mcount_wrapper_check; } - GLIBC_2.2 { - # this is defined in ld.so and overridden by libc - _dl_init_first; - - # functions used in other libraries - _dl_sym; _dl_vsym; - } GLIBC_2.2.4 { dl_iterate_phdr; } @@ -26,44 +17,34 @@ libc { __register_frame_info_table_bases; _Unwind_Find_FDE; } %endif + GLIBC_PRIVATE { + # functions used in other libraries + _dl_open; _dl_close; _dl_addr; + _dl_sym; _dl_vsym; _dl_init_first; + } } ld { GLIBC_2.0 { - # Those are in the dynamic linker, but used by libc.so. - __libc_enable_secure; _dl_catch_error; _dl_check_all_versions; - _dl_debug_initialize; _dl_debug_state; - _dl_lookup_symbol; - _dl_map_object; _dl_map_object_deps; _dl_object_relocation_scope; - _dl_relocate_object; _dl_signal_error; _dl_starting_up; - _dl_sysdep_start; _r_debug; - _dl_lookup_symbol_skip; - _dl_lookup_versioned_symbol; _dl_lookup_versioned_symbol_skip; - # Function from libc.so which must be shared with libc. calloc; free; malloc; realloc; - } - GLIBC_2.1 { - # global variables - __libc_stack_end; - # functions used in other libraries - _dl_start_profile; _dl_mcount; _dl_unload_cache; + _r_debug; } - GLIBC_2.1.1 { + GLIBC_2.1 { # functions used in other libraries - _dl_dst_count; _dl_dst_substitute; + _dl_mcount; } - GLIBC_2.2 { - _dl_init; _dl_argv; _dl_check_map_versions; - - # variables used elsewhere - _dl_out_of_memory; - } - GLIBC_2.2.3 { - _dl_debug_printf; - } - GLIBC_2.3 { + GLIBC_PRIVATE { + # Those are in the dynamic linker, but used by libc.so. + __libc_enable_secure; __libc_stack_end; + _dl_argv; _dl_catch_error; _dl_check_all_versions; _dl_check_map_versions; + _dl_debug_initialize; _dl_debug_printf; _dl_debug_state; _dl_dst_count; + _dl_dst_substitute; _dl_init; _dl_lookup_symbol; _dl_lookup_symbol_skip; + _dl_lookup_versioned_symbol; _dl_lookup_versioned_symbol_skip; + _dl_map_object; _dl_map_object_deps; _dl_out_of_memory; + _dl_relocate_object; _dl_signal_error; _dl_start_profile; _dl_starting_up; + _dl_sysdep_start; _dl_unload_cache; _rtld_global; } } diff --git a/elf/dl-fxstat64.c b/elf/dl-fxstat64.c new file mode 100644 index 0000000000..38d445d4d4 --- /dev/null +++ b/elf/dl-fxstat64.c @@ -0,0 +1,25 @@ +/* Dynamic linker's private version of __fxstat64. + Copyright (C) 2002 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. */ + +/* This special file is needed because some fxstat64.c implementations + use versioning for __fxstat64 and we need to keep it local to + the dynamic linker. */ + +#define RTLD_STAT64 +#include diff --git a/elf/dl-lookup.c b/elf/dl-lookup.c index 695ce54b4e..4f3285fee5 100644 --- a/elf/dl-lookup.c +++ b/elf/dl-lookup.c @@ -661,7 +661,7 @@ _dl_debug_bindings (const char *undef_name, struct link_map *undef_map, /* These are here so that we only inline do_lookup{,_versioned} in the common case, not everywhere. */ -static int +static int __attribute_noinline__ internal_function _dl_do_lookup (const char *undef_name, unsigned long int hash, const ElfW(Sym) *ref, struct sym_val *result, @@ -672,7 +672,7 @@ _dl_do_lookup (const char *undef_name, unsigned long int hash, type_class); } -static int +static int __attribute_noinline__ internal_function _dl_do_lookup_versioned (const char *undef_name, unsigned long int hash, const ElfW(Sym) *ref, struct sym_val *result, diff --git a/elf/dl-xstat64.c b/elf/dl-xstat64.c new file mode 100644 index 0000000000..4484f990e0 --- /dev/null +++ b/elf/dl-xstat64.c @@ -0,0 +1,25 @@ +/* Dynamic linker's private version of __xstat64. + Copyright (C) 2002 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. */ + +/* This special file is needed because some xstat64.c implementations + use versioning for __xstat64 and we need to keep it local to + the dynamic linker. */ + +#define RTLD_STAT64 +#include -- cgit 1.4.1