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-rw-r--r--elf/Makefile3
-rw-r--r--elf/Versions55
-rw-r--r--elf/dl-fxstat64.c25
-rw-r--r--elf/dl-lookup.c4
-rw-r--r--elf/dl-xstat64.c25
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>