sysdeps/powerpc/powerpc32/setjmp-common.S

   1 /* setjmp for PowerPC.
   2    Copyright (C) 1995-1997,1999-2001,2003,2004,2005, 2006
   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 #include <sysdep.h>
  22 #define _ASM
  23 #ifdef __NO_VMX__
  24 # include <novmxsetjmp.h>
  25 #else
  26 # include <jmpbuf-offsets.h>
  27 #endif
  28 #include <bp-sym.h>
  29 #include <bp-asm.h>
  30
  31
  32 ENTRY (BP_SYM (__sigsetjmp))
  33         CHECK_BOUNDS_BOTH_WIDE_LIT (r3, r8, r9, JB_SIZE)
  34
  35 #ifdef PTR_MANGLE
  36         mr   r5,r1
  37         PTR_MANGLE(r5, r10)
  38         stw  r5,(JB_GPR1*4)(3)
  39 #else
  40         stw  r1,(JB_GPR1*4)(3)
  41 #endif
  42         mflr r0
  43         stw  r14,((JB_GPRS+0)*4)(3)
  44 #ifdef PTR_MANGLE
  45         PTR_MANGLE2 (r0, r10)
  46         li   r10,0
  47 #endif
  48         stw  r0,(JB_LR*4)(3)
  49         stw  r15,((JB_GPRS+1)*4)(3)
  50         mfcr r0
  51         stw  r16,((JB_GPRS+2)*4)(3)
  52         stw  r0,(JB_CR*4)(3)
  53         stw  r17,((JB_GPRS+3)*4)(3)
  54         stw  r18,((JB_GPRS+4)*4)(3)
  55         stw  r19,((JB_GPRS+5)*4)(3)
  56         stw  r20,((JB_GPRS+6)*4)(3)
  57         stw  r21,((JB_GPRS+7)*4)(3)
  58         stw  r22,((JB_GPRS+8)*4)(3)
  59         stw  r23,((JB_GPRS+9)*4)(3)
  60         stw  r24,((JB_GPRS+10)*4)(3)
  61         stw  r25,((JB_GPRS+11)*4)(3)
  62         stw  r26,((JB_GPRS+12)*4)(3)
  63         stw  r27,((JB_GPRS+13)*4)(3)
  64         stw  r28,((JB_GPRS+14)*4)(3)
  65         stw  r29,((JB_GPRS+15)*4)(3)
  66         stw  r30,((JB_GPRS+16)*4)(3)
  67         stw  r31,((JB_GPRS+17)*4)(3)
  68 #if defined NOT_IN_libc && defined IS_IN_rtld
  69         li   r3,0
  70         blr
  71 #else
  72         b BP_SYM (__sigjmp_save@local)
  73 #endif
  74 END (BP_SYM (__sigsetjmp))