sysdeps/powerpc/jmpbuf-offsets.h

   1 /* Private macros for accessing __jmp_buf contents.  PowerPC version.
   2    Copyright (C) 2006-2018 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 #define JB_GPR1   0  /* Also known as the stack pointer */
  20 #define JB_GPR2   1
  21 #define JB_LR     2  /* The address we will return to */
  22 #if __WORDSIZE == 64
  23 # define JB_GPRS   3  /* GPRs 14 through 31 are saved, 18*2 words total.  */
  24 # define JB_CR     21 /* Shared dword with VRSAVE.  CR word at offset 172.  */
  25 # define JB_FPRS   22 /* FPRs 14 through 31 are saved, 18*2 words total.  */
  26 # define JB_SIZE   (64 * 8) /* As per PPC64-VMX ABI.  */
  27 # define JB_VRSAVE 21 /* Shared dword with CR.  VRSAVE word at offset 168.  */
  28 # define JB_VRS    40 /* VRs 20 through 31 are saved, 12*4 words total.  */
  29 #else
  30 # define JB_GPRS   3  /* GPRs 14 through 31 are saved, 18 in total.  */
  31 # define JB_CR     21 /* Condition code registers.  */
  32 # define JB_FPRS   22 /* FPRs 14 through 31 are saved, 18*2 words total.  */
  33 # define JB_SIZE   ((64 + (12 * 4)) * 4)
  34 # define JB_VRSAVE 62
  35 # define JB_VRS    64
  36 #endif