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>

10 files changed, 127 insertions, 33 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
 
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])
+
+
diff --git a/libc/sysdeps/linux/xtensa/bits/setjmp.h b/libc/sysdeps/linux/xtensa/bits/setjmp.h
index 1bc4896c8..5672943b8 100644
--- a/libc/sysdeps/linux/xtensa/bits/setjmp.h
+++ b/libc/sysdeps/linux/xtensa/bits/setjmp.h
@@ -30,17 +30,6 @@
    subsequent alloca in proc moves $sp), and the return address within
    proc.  Everything else is saved on the stack in the normal save areas.  */
 
-#ifndef	_ASM
 typedef int __jmp_buf[17];
-#endif
-
-#define JB_SP	1
-#define JB_PC	16
-
-/* Test if longjmp to JMPBUF would unwind the frame containing a local
-   variable at ADDRESS.  */
-
-#define _JMPBUF_UNWINDS(jmpbuf, address) \
-  ((void *) (address) < (void *) (jmpbuf)[JB_SP])
 
 #endif	/* bits/setjmp.h */
diff --git a/libc/sysdeps/linux/xtensa/jmpbuf-offsets.h b/libc/sysdeps/linux/xtensa/jmpbuf-offsets.h
new file mode 100644
index 000000000..b2876eff9
--- /dev/null
+++ b/libc/sysdeps/linux/xtensa/jmpbuf-offsets.h
@@ -0,0 +1,21 @@
+/* Private macros for accessing __jmp_buf contents.  Xtensa version.
+   Copyright (C) 2006 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#define JB_SP	1
+#define JB_PC	16
diff --git a/libc/sysdeps/linux/xtensa/jmpbuf-unwind.h b/libc/sysdeps/linux/xtensa/jmpbuf-unwind.h
new file mode 100644
index 000000000..160a70cf2
--- /dev/null
+++ b/libc/sysdeps/linux/xtensa/jmpbuf-unwind.h
@@ -0,0 +1,26 @@
+/* Copyright (C) 1997, 1998, 2007 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
+   Boston, MA 02110-1301, USA.  */
+
+/* Test if longjmp to JMPBUF would unwind the frame containing a local
+   variable at ADDRESS.  */
+
+#include <setjmp.h>
+#include <jmpbuf-offsets.h>
+
+#define _JMPBUF_UNWINDS(jmpbuf, address) \
+  ((void *) (address) < (void *) (jmpbuf)[JB_SP])