sysdeps/mips/bits/setjmp.h

   1 /* Define the machine-dependent type `jmp_buf'.  MIPS version.
   2    Copyright (C) 1992, 1993, 1995, 1997, 2000, 2002, 2003, 2004, 2005
   3         Free Software Foundation, Inc.
   4    This file is part of the GNU C Library.
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library; if not, write to the Free
  18    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  19    02111-1307 USA.  */
  20
  21 #ifndef _MIPS_BITS_SETJMP_H
  22 #define _MIPS_BITS_SETJMP_H 1
  23
  24 #if !defined(_SETJMP_H) && !defined(_PTHREAD_H)
  25 # error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
  26 #endif
  27
  28 #include <sgidefs.h>
  29
  30 typedef struct
  31   {
  32 #if _MIPS_SIM == _ABIO32
  33     /* Program counter.  */
  34     __ptr_t __pc;
  35
  36     /* Stack pointer.  */
  37     __ptr_t __sp;
  38
  39     /* Callee-saved registers s0 through s7.  */
  40     int __regs[8];
  41
  42     /* The frame pointer.  */
  43     __ptr_t __fp;
  44
  45     /* The global pointer.  */
  46     __ptr_t __gp;
  47 #else
  48     /* Program counter.  */
  49     __extension__ long long __pc;
  50
  51     /* Stack pointer.  */
  52     __extension__ long long __sp;
  53
  54     /* Callee-saved registers s0 through s7.  */
  55     __extension__ long long __regs[8];
  56
  57     /* The frame pointer.  */
  58     __extension__ long long __fp;
  59
  60     /* The global pointer.  */
  61     __extension__ long long __gp;
  62 #endif
  63
  64     /* Floating point status register.  */
  65     int __fpc_csr;
  66
  67     /* Callee-saved floating point registers.  */
  68 #if _MIPS_SIM == _ABI64
  69     double __fpregs[8];
  70 #else
  71     double __fpregs[6];
  72 #endif
  73   } __jmp_buf[1];
  74
  75 #ifdef __USE_MISC
  76 /* Offset to the program counter in `jmp_buf'.  */
  77 # define JB_PC  0
  78 #endif
  79
  80
  81 /* Test if longjmp to JMPBUF would unwind the frame
  82    containing a local variable at ADDRESS.  */
  83 #define _JMPBUF_UNWINDS(jmpbuf, address, demangle)              \
  84   ((void *) (address) < (void *) demangle ((jmpbuf)[0].__sp))
  85
  86 #endif /* _MIPS_BITS_SETJMP_H */