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authorMike Frysinger <vapier@gentoo.org>2005-11-12 01:10:24 +0000
committerMike Frysinger <vapier@gentoo.org>2005-11-12 01:10:24 +0000
commit38545a368ca50c8c24e5adae349bcbcae2065132 (patch)
tree81eaac7b3d99330be800ab8ae97dee28f2c9b49b /libc/sysdeps/linux/hppa/bits/setjmp.h
parent63f4057c6726e42960439780675ad165cecc9f75 (diff)
initial port to hppa
Diffstat (limited to 'libc/sysdeps/linux/hppa/bits/setjmp.h')
-rw-r--r--libc/sysdeps/linux/hppa/bits/setjmp.h46
1 files changed, 46 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/hppa/bits/setjmp.h b/libc/sysdeps/linux/hppa/bits/setjmp.h
new file mode 100644
index 000000000..53ca4be87
--- /dev/null
+++ b/libc/sysdeps/linux/hppa/bits/setjmp.h
@@ -0,0 +1,46 @@
+/* Copyright (C) 2000 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 the machine-dependent type `jmp_buf'. HPPA version. */
+#ifndef _BITS_SETJMP_H_
+#define _BITS_SETJMP_H_
+
+#if !defined _SETJMP_H && !defined _PTHREAD_H
+# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
+#endif
+
+/* The previous bits/setjmp.h had __jmp_buf defined as a structure.
+ We use an array of 'double' instead, to make writing the assembler
+ easier, and to ensure proper alignment. Naturally, user code should
+ not depend on either representation. */
+
+#if defined __USE_MISC || defined _ASM
+#define JB_SP (76/4)
+#endif
+
+#ifndef _ASM
+typedef double __jmp_buf[21];
+#endif
+
+/* Test if longjmp to JMPBUF would unwind the frame containing a local
+ variable at ADDRESS. */
+#define _JMPBUF_UNWINDS(_jmpbuf, _address) \
+ ((void *)(_address) > (void *)(((unsigned long *) _jmpbuf)[JB_SP]))
+
+#endif
+