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authorDavid McCullough <davidm@snapgear.com>2003-10-14 11:52:32 +0000
committerDavid McCullough <davidm@snapgear.com>2003-10-14 11:52:32 +0000
commit94b92c2fab333403aa43fd55ec858fdbf666f8c3 (patch)
tree10e30871a37756c010dbbb26326bf934ba434552 /libc/sysdeps/linux/microblaze/bits/setjmp.h
parent34c5a8290b32d93beca6ae8f9c346bbadf408591 (diff)
Microblaze port from the uClinux-dist,
contributed by John Williams <jwilliams@itee.uq.edu.au>
Diffstat (limited to 'libc/sysdeps/linux/microblaze/bits/setjmp.h')
-rw-r--r--libc/sysdeps/linux/microblaze/bits/setjmp.h38
1 files changed, 38 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/microblaze/bits/setjmp.h b/libc/sysdeps/linux/microblaze/bits/setjmp.h
new file mode 100644
index 000000000..80cddb05d
--- /dev/null
+++ b/libc/sysdeps/linux/microblaze/bits/setjmp.h
@@ -0,0 +1,38 @@
+/*
+ * libc/sysdeps/linux/microblaze/bits/setjmp.h -- microblaze version of `jmp_buf' type
+ *
+ * Copyright (C) 2003 John Williams <jwilliams@itee.uq.edu.au>
+ * Copyright (C) 2001 NEC Corporation
+ * Copyright (C) 2001 Miles Bader <miles@gnu.org>
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser
+ * General Public License. See the file COPYING.LIB in the main
+ * directory of this archive for more details.
+ *
+ * Written by Miles Bader <miles@gnu.org>
+ */
+
+#ifndef _SETJMP_H
+# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
+#endif
+
+#ifndef _ASM
+typedef struct
+ {
+ /* Stack pointer. */
+ void *__sp;
+
+ /* Link pointer. */
+ void *__lp;
+
+ /* Callee-saved registers r18-r30. */
+ int __regs[13];
+ } __jmp_buf[1];
+#endif
+
+#define JB_SIZE (4 * 15)
+
+/* 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].__sp)