glibc/sysdeps/mips/bits/setjmp.h
1997-06-21 02:02:43 +00:00

54 lines
1.6 KiB
C

/* Define the machine-dependent type `jmp_buf'. MIPS version.
Copyright (C) 1992, 1993, 1995, 1997 Free Software Foundation, Inc.
Contributed by Brendan Kehoe (brendan@zen.org).
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. */
typedef struct
{
/* Program counter. */
__ptr_t __pc;
/* Stack pointer. */
__ptr_t __sp;
/* Callee-saved registers s0 through s7. */
int __regs[8];
/* The frame pointer. */
__ptr_t __fp;
/* The global pointer. */
__ptr_t __gp;
/* Floating point status register. */
int __fpc_csr;
/* Callee-saved floating point registers. */
double __fpregs[6];
} __jmp_buf[1];
#ifdef __USE_MISC
/* Offset to the program counter in `jmp_buf'. */
# define JB_PC 0
#endif
/* 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)