From 4f389d4c51e8eccfaecb8d019e1d881da141625f Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Sat, 21 Jun 1997 02:02:43 +0000 Subject: [PATCH] MIPS specific setjmp buffer. --- sysdeps/mips/bits/setjmp.h | 53 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 sysdeps/mips/bits/setjmp.h diff --git a/sysdeps/mips/bits/setjmp.h b/sysdeps/mips/bits/setjmp.h new file mode 100644 index 0000000000..7e570c6bff --- /dev/null +++ b/sysdeps/mips/bits/setjmp.h @@ -0,0 +1,53 @@ +/* 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)