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Diffstat (limited to 'libc/sysdeps/linux/frv/bits/setjmp.h')
-rw-r--r--libc/sysdeps/linux/frv/bits/setjmp.h53
1 files changed, 53 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/frv/bits/setjmp.h b/libc/sysdeps/linux/frv/bits/setjmp.h
new file mode 100644
index 000000000..5c20c4f54
--- /dev/null
+++ b/libc/sysdeps/linux/frv/bits/setjmp.h
@@ -0,0 +1,53 @@
+/* Copyright (C) 1999, 2000, 2003, 2004 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'. FRV version. */
+
+#ifndef _SETJMP_H
+# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
+#endif
+
+#define __SETJMP_NUM_INT 32 /* number of integer registers to save */
+#define __SETJMP_NUM_DBL 32 /* number of double registers to save */
+
+#define __SETJMP_INT(x) (x)
+#define __SETJMP_DBL(x) (__SETJMP_NUM_INT+(x))
+#define __SETJMP_LR (__SETJMP_NUM_INT+__SETJMP_NUM_DBL)
+#define __SETJMP_SP (__SETJMP_LR+1)
+#define __SETJMP_FP (__SETJMP_SP+1)
+
+
+#ifndef _ASM
+typedef struct
+/* Demand 64-bit alignment such that we can use std/ldd in
+ setjmp/longjmp. */
+__attribute__((__aligned__(8)))
+ {
+ /* Callee-saved registers. */
+ unsigned long __ints[__SETJMP_NUM_INT]; /* integer registers */
+ unsigned long __dbls[__SETJMP_NUM_DBL]; /* double registers */
+ unsigned long __lr; /* linkage register */
+ unsigned long __sp; /* stack pointer */
+ unsigned long __fp; /* frame pointer */
+ } __jmp_buf[1];
+#endif
+
+/* Test if longjmp to JMPBUF would unwind the frame
+ containing a local variable at ADDRESS. */
+#define _JMPBUF_UNWINDS(jmpbuf, address) \
+ ((unsigned long) (address) < (jmpbuf)->__sp)