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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 d7e2c4c67b..34d6686257 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 d6fbcc39eb..67350c2151 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 697329c9e4..8fe610004f 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 e7fab7a1b2..f382db2861 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 */