add jmpbuf-unwind.h and jmpbuf-offsets.h to avr32,c6x and xtensa

cleanup bits/setjmp.h and avr32's setjmp.S

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

4 files changed, 23 insertions, 12 deletions

diff --git a/libc/sysdeps/linux/avr32/bits/setjmp.h b/libc/sysdeps/linux/avr32/bits/setjmp.h
index 78348a329..3f8f14f2d 100644
--- a/libc/sysdeps/linux/avr32/bits/setjmp.h
+++ b/libc/sysdeps/linux/avr32/bits/setjmp.h
@@ -12,19 +12,10 @@
 # error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
 #endif
 
-#ifndef _ASM
 /*
  * The jump buffer contains r0-r7, sr, sp and lr. Other registers are
  * not saved.
  */
 typedef int __jmp_buf[11];
-#endif
-
-#define __JMP_BUF_SP	4
-
-/* Test if longjmp to JMPBUF would unwind the frame containing a local
-   variable at ADDRESS.  */
-#define _JMPBUF_UNWINDS(jmpbuf, address) \
-  ((void *)(address) < (void *)(jmpbuf[__JMP_BUF_SP]))
 
 #endif /* _BITS_SETJMP_H */
diff --git a/libc/sysdeps/linux/avr32/jmpbuf-offsets.h b/libc/sysdeps/linux/avr32/jmpbuf-offsets.h
new file mode 100644
index 000000000..70b8113e3
--- /dev/null
+++ b/libc/sysdeps/linux/avr32/jmpbuf-offsets.h
@@ -0,0 +1,9 @@
+/* Private macros for accessing __jmp_buf contents.  avr32 version.
+ * Copyright (C) 2004-2005 Atmel Corporation
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser General
+ * Public License.  See the file "COPYING.LIB" in the main directory of this
+ * archive for more details.
+ */
+
+#define __JMP_BUF_SP	4
diff --git a/libc/sysdeps/linux/avr32/jmpbuf-unwind.h b/libc/sysdeps/linux/avr32/jmpbuf-unwind.h
new file mode 100644
index 000000000..5caa2ee44
--- /dev/null
+++ b/libc/sysdeps/linux/avr32/jmpbuf-unwind.h
@@ -0,0 +1,14 @@
+/*
+ * Copyright (C) 2004-2005 Atmel Corporation
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser General
+ * Public License.  See the file "COPYING.LIB" in the main directory of this
+ * archive for more details.
+ */
+#include <setjmp.h>
+#include <jmpbuf-offsets.h>
+
+/* Test if longjmp to JMPBUF would unwind the frame containing a local
+   variable at ADDRESS.  */
+#define _JMPBUF_UNWINDS(jmpbuf, address) \
+  ((void *)(address) < (void *)(jmpbuf[__JMP_BUF_SP]))
diff --git a/libc/sysdeps/linux/avr32/setjmp.S b/libc/sysdeps/linux/avr32/setjmp.S
index 7d0354be9..f6e619b90 100644
--- a/libc/sysdeps/linux/avr32/setjmp.S
+++ b/libc/sysdeps/linux/avr32/setjmp.S
@@ -5,9 +5,6 @@
  * Public License.  See the file "COPYING.LIB" in the main directory of this
  * archive for more details.
  */
-#define _SETJMP_H
-#define _ASM
-#include <bits/setjmp.h>
 
 	.text