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authorUlrich Drepper <drepper@redhat.com>2003-03-15 09:51:22 +0000
committerUlrich Drepper <drepper@redhat.com>2003-03-15 09:51:22 +0000
commita87731e262c909f2127a57f42563ece410789abe (patch)
treec8c9f79d3c582b3d23b7d9b55723bd5e836efe80
parent92ed3daf013788e18a1bb339721aa76389039863 (diff)
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Update.
2003-03-15 Ulrich Drepper <drepper@redhat.com> * sysdeps/x86_64/pthreaddef.h (CURRENT_STACK_FRAME): Don't use __builtin_frame_address, use stack pointer. * sysdeps/unix/sysv/linux/jmp-unwind.c: Use CURRENT_STACK_FRAME instead of __builtin_frame_pointer.
-rw-r--r--nptl/ChangeLog8
-rw-r--r--nptl/sysdeps/unix/sysv/linux/jmp-unwind.c3
-rw-r--r--nptl/sysdeps/x86_64/pthreaddef.h7
-rw-r--r--nptl/sysdeps/x86_64/tls.h12
4 files changed, 26 insertions, 4 deletions
diff --git a/nptl/ChangeLog b/nptl/ChangeLog
index d7e2c4c..34d6686 100644
--- a/nptl/ChangeLog
+++ b/nptl/ChangeLog
@@ -1,3 +1,11 @@
+2003-03-15 Ulrich Drepper <drepper@redhat.com>
+
+ * sysdeps/x86_64/pthreaddef.h (CURRENT_STACK_FRAME): Don't use
+ __builtin_frame_address, use stack pointer.
+
+ * sysdeps/unix/sysv/linux/jmp-unwind.c: Use CURRENT_STACK_FRAME
+ instead of __builtin_frame_pointer.
+
2003-03-14 Ulrich Drepper <drepper@redhat.com>
* tst-basic1.c (do_test): Add cast to avoid warning.
diff --git a/nptl/sysdeps/unix/sysv/linux/jmp-unwind.c b/nptl/sysdeps/unix/sysv/linux/jmp-unwind.c
index d6fbcc3..67350c2 100644
--- a/nptl/sysdeps/unix/sysv/linux/jmp-unwind.c
+++ b/nptl/sysdeps/unix/sysv/linux/jmp-unwind.c
@@ -20,6 +20,7 @@
#include <setjmp.h>
#include <stddef.h>
#include <pthread-functions.h>
+#include <pthreaddef.h>
extern void __pthread_cleanup_upto (__jmp_buf env, char *targetframe);
#pragma weak __pthread_cleanup_upto
@@ -35,5 +36,5 @@ _longjmp_unwind (jmp_buf env, int val)
#endif
if (fptr != NULL)
- fptr (env->__jmpbuf, __builtin_frame_address (0));
+ fptr (env->__jmpbuf, CURRENT_STACK_FRAME);
}
diff --git a/nptl/sysdeps/x86_64/pthreaddef.h b/nptl/sysdeps/x86_64/pthreaddef.h
index 697329c..8fe6100 100644
--- a/nptl/sysdeps/x86_64/pthreaddef.h
+++ b/nptl/sysdeps/x86_64/pthreaddef.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -34,8 +34,9 @@
#define SIGCANCEL __SIGRTMIN
-/* Location of current stack frame. */
-#define CURRENT_STACK_FRAME __builtin_frame_address (0)
+/* Location of current stack frame. The frame pointer is not usable. */
+#define CURRENT_STACK_FRAME \
+ ({ char *frame; asm ("movq %%rsp, %0" : "=r" (frame)); frame; })
/* XXX Until we have a better place keep the definitions here. */
diff --git a/nptl/sysdeps/x86_64/tls.h b/nptl/sysdeps/x86_64/tls.h
index e7fab7a..f382db2 100644
--- a/nptl/sysdeps/x86_64/tls.h
+++ b/nptl/sysdeps/x86_64/tls.h
@@ -253,6 +253,18 @@ typedef struct
}})
+#define CALL_THREAD_FCT(descr) \
+ ({ void *__res; \
+ asm volatile ("movq %%fs:%P2, %%rdi\n\t" \
+ "callq *%%fs:%P1" \
+ : "=a" (__res) \
+ : "i" (offsetof (struct pthread, start_routine)), \
+ "i" (offsetof (struct pthread, arg)) \
+ : "di", "si", "cx", "dx", "r8", "r9", "r10", "r11", \
+ "memory", "cc"); \
+ __res; })
+
+
#endif /* __ASSEMBLER__ */
#endif /* tls.h */