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Diffstat (limited to 'nptl/sysdeps/pthread/unwind-forcedunwind.c')
-rw-r--r--nptl/sysdeps/pthread/unwind-forcedunwind.c17
1 files changed, 2 insertions, 15 deletions
diff --git a/nptl/sysdeps/pthread/unwind-forcedunwind.c b/nptl/sysdeps/pthread/unwind-forcedunwind.c
index 6792d719d3..b0f8487086 100644
--- a/nptl/sysdeps/pthread/unwind-forcedunwind.c
+++ b/nptl/sysdeps/pthread/unwind-forcedunwind.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003, 2005, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>.
@@ -31,18 +31,13 @@ static _Unwind_Reason_Code (*libgcc_s_forcedunwind)
static _Unwind_Word (*libgcc_s_getcfa) (struct _Unwind_Context *);
void
-__attribute_noinline__
pthread_cancel_init (void)
{
void *resume, *personality, *forcedunwind, *getcfa;
void *handle;
if (__builtin_expect (libgcc_s_getcfa != NULL, 1))
- {
- /* Force gcc to reload all values. */
- asm volatile ("" ::: "memory");
- return;
- }
+ return;
handle = __libc_dlopen ("libgcc_s.so.1");
@@ -61,10 +56,6 @@ pthread_cancel_init (void)
libgcc_s_resume = resume;
libgcc_s_personality = personality;
libgcc_s_forcedunwind = forcedunwind;
- /* Make sure libgcc_s_getcfa is written last. Otherwise,
- pthread_cancel_init might return early even when the pointer the
- caller is interested in is not initialized yet. */
- atomic_write_barrier ();
libgcc_s_getcfa = getcfa;
}
@@ -73,7 +64,6 @@ _Unwind_Resume (struct _Unwind_Exception *exc)
{
if (__builtin_expect (libgcc_s_resume == NULL, 0))
pthread_cancel_init ();
-
libgcc_s_resume (exc);
}
@@ -85,7 +75,6 @@ __gcc_personality_v0 (int version, _Unwind_Action actions,
{
if (__builtin_expect (libgcc_s_personality == NULL, 0))
pthread_cancel_init ();
-
return libgcc_s_personality (version, actions, exception_class,
ue_header, context);
}
@@ -96,7 +85,6 @@ _Unwind_ForcedUnwind (struct _Unwind_Exception *exc, _Unwind_Stop_Fn stop,
{
if (__builtin_expect (libgcc_s_forcedunwind == NULL, 0))
pthread_cancel_init ();
-
return libgcc_s_forcedunwind (exc, stop, stop_argument);
}
@@ -105,6 +93,5 @@ _Unwind_GetCFA (struct _Unwind_Context *context)
{
if (__builtin_expect (libgcc_s_getcfa == NULL, 0))
pthread_cancel_init ();
-
return libgcc_s_getcfa (context);
}