sysdeps/mips/mips64/setjmp.S

   1 /* Copyright (C) 1996-2014 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library.  If not, see
  16    <http://www.gnu.org/licenses/>.  */
  17
  18 #include <sgidefs.h>
  19 #include <sysdep.h>
  20 #include <sys/asm.h>
  21
  22 /* The function __sigsetjmp_aux saves all the registers, but it can't
  23    reliably access the stack or frame pointers, so we pass them in as
  24    extra arguments.  */
  25 #ifdef __PIC__
  26         .option pic2
  27 #endif
  28 ENTRY (__sigsetjmp)
  29 #ifdef __PIC__
  30         SETUP_GP
  31 #endif
  32         SETUP_GP64_REG (v0, C_SYMBOL_NAME (__sigsetjmp))
  33         move a2, sp
  34         move a3, fp
  35         PTR_LA t9, __sigsetjmp_aux
  36 #if _MIPS_SIM == _ABIO32
  37         nop
  38 #endif
  39         RESTORE_GP64_REG
  40 #if _MIPS_SIM != _ABIO32
  41         move a4, gp
  42 #endif
  43         jr t9
  44 END (__sigsetjmp)