ports/sysdeps/mips/mips64/setjmp.S

   1 /* Copyright (C) 1996, 1997, 2000, 2002, 2003, 2004
   2         Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library.  If not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <sgidefs.h>
  20 #include <sysdep.h>
  21 #include <sys/asm.h>
  22
  23 /* The function __sigsetjmp_aux saves all the registers, but it can't
  24    reliably access the stack or frame pointers, so we pass them in as
  25    extra arguments.  */
  26 #ifdef __PIC__
  27         .option pic2
  28 #endif
  29 ENTRY (__sigsetjmp)
  30 #ifdef __PIC__
  31         SETUP_GP
  32 #endif
  33         SETUP_GP64 (v0, C_SYMBOL_NAME (__sigsetjmp))
  34         move a2, sp
  35         move a3, fp
  36         PTR_LA t9, __sigsetjmp_aux
  37 #if _MIPS_SIM == _ABIO32
  38         nop
  39 #endif
  40         RESTORE_GP64
  41 #if _MIPS_SIM != _ABIO32
  42         move a4, gp
  43 #endif
  44         jr t9
  45         .end __sigsetjmp