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authorEric Andersen <andersen@codepoet.org>2001-02-21 18:58:30 +0000
committerEric Andersen <andersen@codepoet.org>2001-02-21 18:58:30 +0000
commit36970cc69149ef3a3f32d57663a14adedaebcbb9 (patch)
treea82e8df0bf9a6771c4b27f9f15c5a2844e8f81ea /libc/sysdeps/linux/sh/bits/setjmp.h
parent93ccb0356b10af44f620ec035fb76fa8a1165c22 (diff)
Add an SH port done by Jean-Yves Avenard of Hewlett-Packard - Embedded
and Personal Systems. Thanks! -Erik
Diffstat (limited to 'libc/sysdeps/linux/sh/bits/setjmp.h')
-rw-r--r--libc/sysdeps/linux/sh/bits/setjmp.h45
1 files changed, 45 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/sh/bits/setjmp.h b/libc/sysdeps/linux/sh/bits/setjmp.h
new file mode 100644
index 000000000..f85c3daa0
--- /dev/null
+++ b/libc/sysdeps/linux/sh/bits/setjmp.h
@@ -0,0 +1,45 @@
+/* Copyright (C) 1999, 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 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. */
+
+/* Define the machine-dependent type `jmp_buf'. SH version. */
+
+#ifndef _SETJMP_H
+# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
+#endif
+
+#ifndef _ASM
+typedef struct
+ {
+ /* Callee-saved registers r8 through r15. */
+ int __regs[8];
+
+ /* Program counter. */
+ __ptr_t __pc;
+
+ /* The global pointer. */
+ __ptr_t __gbr;
+
+ } __jmp_buf[1];
+#endif
+
+#define JB_SIZE (4 * 10)
+
+/* Test if longjmp to JMPBUF would unwind the frame
+ containing a local variable at ADDRESS. */
+#define _JMPBUF_UNWINDS(jmpbuf, address) \
+ ((__ptr_t) (address) < &(jmpbuf)[0].__regs[7])