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authorEric Andersen <andersen@codepoet.org>2004-12-21 08:35:58 +0000
committerEric Andersen <andersen@codepoet.org>2004-12-21 08:35:58 +0000
commit05d9958f685e3f0c51be4f1128348645451e51fb (patch)
treeb28c486ae60ad9065ba6d061b494c253fdc73ef5 /libc/sysdeps/linux/bfin/bits/setjmp.h
parentf6cc7543c5530106123f1fa7958d1c594ddff3d8 (diff)
Add support for the Analog Devices Blackfin mmuless processor
Diffstat (limited to 'libc/sysdeps/linux/bfin/bits/setjmp.h')
-rw-r--r--libc/sysdeps/linux/bfin/bits/setjmp.h53
1 files changed, 53 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/bfin/bits/setjmp.h b/libc/sysdeps/linux/bfin/bits/setjmp.h
new file mode 100644
index 000000000..abb7db6a0
--- /dev/null
+++ b/libc/sysdeps/linux/bfin/bits/setjmp.h
@@ -0,0 +1,53 @@
+/* Copyright (C) 1997, 1998 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'. bfin version. Lineo, Inc. 2001*/
+
+#ifndef _SETJMP_H
+# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
+#endif
+
+#ifndef _ASM
+/* Jump buffer contains r7-r4, p5-p3, fp, sp and pc. Other registers are not saved. */
+typedef struct
+{
+ unsigned long __pregs[6];
+ unsigned long fp;
+ unsigned long sp;
+ unsigned long __rregs[8];
+ unsigned long astat;
+ unsigned long __lcregs[2];
+ unsigned long a0w;
+ unsigned long a0x;
+ unsigned long a1w;
+ unsigned long a1x;
+ unsigned long __iregs[4];
+ unsigned long __mregs[4];
+ unsigned long __lregs[4];
+ unsigned long __bregs[4];
+ unsigned long pc;
+}__jmp_buf[1];
+
+#endif
+
+#define __JMP_BUF_SP 8
+
+/* Test if longjmp to JMPBUF would unwind the frame
+ containing a local variable at ADDRESS. */
+#define _JMPBUF_UNWINDS(jmpbuf, address) \
+ ((void *) (address) < (void *) (jmpbuf)->__pregs[6])