diff options
Diffstat (limited to 'elf')
| -rw-r--r-- | elf/Makefile | 3 | ||||
| -rw-r--r-- | elf/Versions | 55 | ||||
| -rw-r--r-- | elf/dl-fxstat64.c | 25 | ||||
| -rw-r--r-- | elf/dl-lookup.c | 4 | ||||
| -rw-r--r-- | elf/dl-xstat64.c | 25 |
5 files changed, 72 insertions, 40 deletions
diff --git a/elf/Makefile b/elf/Makefile index 05f5c5a..1227774 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 af4f4b8..4c7806d 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 0000000..38d445d --- /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 <fxstat64.c> diff --git a/elf/dl-lookup.c b/elf/dl-lookup.c index 695ce54..4f3285f 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 0000000..4484f99 --- /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 <xstat64.c> |