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>

3 files changed, 57 insertions, 10 deletions

diff --git a/libc/sysdeps/linux/c6x/bits/setjmp.h b/libc/sysdeps/linux/c6x/bits/setjmp.h
index 259e23b34..3f0a19f52 100644
--- a/libc/sysdeps/linux/c6x/bits/setjmp.h
+++ b/libc/sysdeps/linux/c6x/bits/setjmp.h
@@ -19,7 +19,10 @@
  *
  */
 
-#ifndef _SETJMP_H
+#ifndef _BITS_SETJMP_H
+#define _BITS_SETJMP_H 1
+
+#if !defined _SETJMP_H && !defined _PTHREAD_H
 # error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
 #endif
 
@@ -28,12 +31,4 @@ typedef struct {
 	unsigned long __pc;       /* the return address */
 } __jmp_buf[1];
 
-/* the stack pointer (B15) */
-#define JP_SP 11 
-
-/* Test if longjmp to JMPBUF would unwind the frame
-   containing a local variable at ADDRESS.  */
-#define _JMPBUF_UNWINDS(jmpbuf, address) \
-  ((void *) (address) < (void *) (jmpbuf)->__regs[JP_SP])
-
-
+#endif
diff --git a/libc/sysdeps/linux/c6x/jmpbuf-offsets.h b/libc/sysdeps/linux/c6x/jmpbuf-offsets.h
new file mode 100644
index 000000000..be10f1eee
--- /dev/null
+++ b/libc/sysdeps/linux/c6x/jmpbuf-offsets.h
@@ -0,0 +1,23 @@
+/* Private macros for accessing __jmp_buf contents.  c6x version.
+ * Port of uClibc for TMS320C6000 DSP architecture 
+ * Copyright (C) 2004 Texas Instruments Incorporated
+ * Author of TMS320C6000 port: Aurelien Jacquiot 
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Library General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program 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 Library General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+/* the stack pointer (B15) */
+#define JP_SP 11 
diff --git a/libc/sysdeps/linux/c6x/jmpbuf-unwind.h b/libc/sysdeps/linux/c6x/jmpbuf-unwind.h
new file mode 100644
index 000000000..faa809518
--- /dev/null
+++ b/libc/sysdeps/linux/c6x/jmpbuf-unwind.h
@@ -0,0 +1,29 @@
+/*
+ * Port of uClibc for TMS320C6000 DSP architecture 
+ * Copyright (C) 2004 Texas Instruments Incorporated
+ * Author of TMS320C6000 port: Aurelien Jacquiot 
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Library General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program 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 Library General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+#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)->__regs[JP_SP])
+
+