sysdeps/powerpc/powerpc32/__longjmp-common.S

   1 /* longjmp for PowerPC.
   2    Copyright (C) 1995-1997,1999-2001,2003,2004 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, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #include <sysdep.h>
  21 #define _ASM
  22 #define _SETJMP_H
  23 #ifdef __NO_VMX__
  24 # include <novmxsetjmp.h>
  25 #else
  26 # include <bits/setjmp.h>
  27 #endif
  28 #include <bp-sym.h>
  29 #include <bp-asm.h>
  30
  31 ENTRY (BP_SYM (__longjmp))
  32         CHECK_BOUNDS_BOTH_WIDE_LIT (r3, r8, r9, JB_SIZE)
  33
  34         lwz r1,(JB_GPR1*4)(r3)
  35         lwz r0,(JB_LR*4)(r3)
  36         lwz r14,((JB_GPRS+0)*4)(r3)
  37         lwz r15,((JB_GPRS+1)*4)(r3)
  38         lwz r16,((JB_GPRS+2)*4)(r3)
  39         lwz r17,((JB_GPRS+3)*4)(r3)
  40         lwz r18,((JB_GPRS+4)*4)(r3)
  41         lwz r19,((JB_GPRS+5)*4)(r3)
  42         lwz r20,((JB_GPRS+6)*4)(r3)
  43         mtlr r0
  44         lwz r21,((JB_GPRS+7)*4)(r3)
  45         lwz r22,((JB_GPRS+8)*4)(r3)
  46         lwz r0,(JB_CR*4)(r3)
  47         lwz r23,((JB_GPRS+9)*4)(r3)
  48         lwz r24,((JB_GPRS+10)*4)(r3)
  49         lwz r25,((JB_GPRS+11)*4)(r3)
  50         mtcrf 0xFF,r0
  51         lwz r26,((JB_GPRS+12)*4)(r3)
  52         lwz r27,((JB_GPRS+13)*4)(r3)
  53         lwz r28,((JB_GPRS+14)*4)(r3)
  54         lwz r29,((JB_GPRS+15)*4)(r3)
  55         lwz r30,((JB_GPRS+16)*4)(r3)
  56         lwz r31,((JB_GPRS+17)*4)(r3)
  57         mr r3,r4
  58         blr
  59 END (BP_SYM (__longjmp))