glibc/sysdeps/powerpc/jmpbuf-offsets.h

40 lines
1.9 KiB
C
Raw Normal View History

/* Private macros for accessing __jmp_buf contents. PowerPC version.
Copyright (C) 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#define JB_GPR1 0 /* Also known as the stack pointer */
#define JB_GPR2 1
#define JB_LR 2 /* The address we will return to */
#if __WORDSIZE == 64
# define JB_GPRS 3 /* GPRs 14 through 31 are saved, 18*2 words total. */
# define JB_CR 21 /* Condition code registers with the VRSAVE at */
/* offset 172 (low half of the double word. */
# define JB_FPRS 22 /* FPRs 14 through 31 are saved, 18*2 words total. */
# define JB_SIZE (64 * 8) /* As per PPC64-VMX ABI. */
# define JB_VRSAVE 21 /* VRSAVE shares a double word with the CR at offset */
/* 168 (high half of the double word). */
# define JB_VRS 40 /* VRs 20 through 31 are saved, 12*4 words total. */
#else
# define JB_GPRS 3 /* GPRs 14 through 31 are saved, 18 in total. */
# define JB_CR 21 /* Condition code registers. */
# define JB_FPRS 22 /* FPRs 14 through 31 are saved, 18*2 words total. */
# define JB_SIZE ((64 + (12 * 4)) * 4)
# define JB_VRSAVE 62
# define JB_VRS 64
#endif