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Diffstat (limited to 'libc/sysdeps/linux/nios2/bits/setjmp.h')
-rw-r--r--libc/sysdeps/linux/nios2/bits/setjmp.h67
1 files changed, 67 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/nios2/bits/setjmp.h b/libc/sysdeps/linux/nios2/bits/setjmp.h
new file mode 100644
index 000000000..ea7699d09
--- /dev/null
+++ b/libc/sysdeps/linux/nios2/bits/setjmp.h
@@ -0,0 +1,67 @@
+/* Define the machine-dependent type `jmp_buf'. Nios2 version.
+ Copyright (C) 1992,93,95,97,2000 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 Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; 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
+
+#ifndef _ASM
+typedef struct
+{
+ /* Callee-saved registers r16 through r23. */
+ unsigned long __regs[8];
+
+ /* Program counter. */
+ unsigned long __pc;
+
+ /* Stack pointer. */
+ unsigned long __sp;
+
+ /* The frame pointer. */
+ unsigned long __fp;
+
+ /* The global pointer. */
+ unsigned long __gp;
+
+ /* floating point regs, if any */
+#if defined __HAVE_FPU__
+ unsigned long __fpregs[64];
+#endif
+} __jmp_buf[1];
+
+#endif
+
+#define JB_REGS 0
+#define JB_PC 32
+#define JB_SP 36
+#define JB_FP 40
+#define JB_GP 44
+#define JB_FPREGS 48
+
+#if defined __HAVE_FPU__
+# define JB_SIZE 304
+#else
+# define JB_SIZE 48
+#endif
+
+
+/* Test if longjmp to JMPBUF would unwind the frame
+ containing a local variable at ADDRESS. */
+#define _JMPBUF_UNWINDS(jmpbuf, address) \
+ ((void *) (address) < (void*)(jmpbuf)->__sp)