about summary refs log tree commit diff
path: root/sysdeps/hppa/bits/setjmp.h
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/hppa/bits/setjmp.h')
-rw-r--r--sysdeps/hppa/bits/setjmp.h41
1 files changed, 41 insertions, 0 deletions
diff --git a/sysdeps/hppa/bits/setjmp.h b/sysdeps/hppa/bits/setjmp.h
new file mode 100644
index 0000000000..7fb2af77d0
--- /dev/null
+++ b/sysdeps/hppa/bits/setjmp.h
@@ -0,0 +1,41 @@
+/* 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 _SETJMP_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]))