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Diffstat (limited to 'libc/sysdeps/linux/sparc/bits/setjmp.h')
-rw-r--r--libc/sysdeps/linux/sparc/bits/setjmp.h54
1 files changed, 54 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/sparc/bits/setjmp.h b/libc/sysdeps/linux/sparc/bits/setjmp.h
new file mode 100644
index 000000000..6f61e358a
--- /dev/null
+++ b/libc/sysdeps/linux/sparc/bits/setjmp.h
@@ -0,0 +1,54 @@
+/* Copyright (C) 1997,1999 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 Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+
+#ifndef _SETJMP_H
+# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
+#endif
+
+#include <bits/wordsize.h>
+
+#if __WORDSIZE == 64
+
+#include <sys/ucontext.h>
+
+typedef ucontext_t __jmp_buf[1];
+
+/* Test if longjmp to JMPBUF would unwind the frame
+ containing a local variable at ADDRESS. */
+#define _JMPBUF_UNWINDS(jmpbuf, address) \
+ ((unsigned long int) (address) < (jmpbuf)->uc_mcontext.mc_fp)
+
+#else
+
+#if defined __USE_MISC || defined _ASM
+# define JB_SP 0
+# define JB_FP 1
+# define JB_PC 2
+#endif
+
+#ifndef _ASM
+typedef int __jmp_buf[3];
+#endif
+
+/* Test if longjmp to JMPBUF would unwind the frame
+ containing a local variable at ADDRESS. */
+#define _JMPBUF_UNWINDS(jmpbuf, address) \
+ ((int) (address) < (jmpbuf)[JB_SP])
+
+#endif