diff options
Diffstat (limited to 'libc/sysdeps/linux/nios/bits/setjmp.h')
-rw-r--r-- | libc/sysdeps/linux/nios/bits/setjmp.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/nios/bits/setjmp.h b/libc/sysdeps/linux/nios/bits/setjmp.h new file mode 100644 index 000000000..33467f7d7 --- /dev/null +++ b/libc/sysdeps/linux/nios/bits/setjmp.h @@ -0,0 +1,74 @@ +/* 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'. Nios version. */ + +#ifndef _SETJMP_H +# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead." +#endif + +#ifndef _ASM + +#include <signal.h> + +typedef struct + { + /* There are eight 4-byte local registers saved. */ + long int __lregs[8]; + + /* There are six 4-byte input registers saved. */ + long int __iregs[6]; + + /* The SP, return address to caller (also for longjmp) + and return address of caller are saved. */ + int *__sp; + int *__jmpret; + int *__callersret; + + } __jmp_buf[1]; + +/* 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) + +#else /* _ASM */ + +#define jmpbuf_l0 0x00 +#define jmpbuf_l1 0x01 +#define jmpbuf_l2 0x02 +#define jmpbuf_l3 0x03 +#define jmpbuf_l4 0x04 +#define jmpbuf_l5 0x05 +#define jmpbuf_l6 0x06 +#define jmpbuf_l7 0x07 + +#define jmpbuf_i0 0x08 +#define jmpbuf_i1 0x09 +#define jmpbuf_i2 0x0a +#define jmpbuf_i3 0x0b +#define jmpbuf_i4 0x0c +#define jmpbuf_i5 0x0d + +#define jmpbuf_sp 0x0e +#define jmpbuf_jmpret 0x0f +#define jmpbuf_callersret 0x10 + +#endif /* _ASM */ + + |