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09d65ff393
2003-04-11 Ulrich Drepper <drepper@redhat.com> * sysdeps/generic/libc-start.c: Cleanup MAIN_AUXVEC_ARG handling. Remove HAVE_CANCELBUF code. Replace with code using the new initializers for unwind-based cleanup handling. * sysdeps/generic/unwind.h: Update from latest gcc version. * sysdeps/unix/sysv/linux/i386/sysdep.h: Define labels in a few places to allow unwind data generation. * sysdeps/i386/bits/setjmp.h: Allow file to be included multiple times. * sysdeps/x86_64/bits/setjmp.h: Likewise. * sysdeps/sh/bits/setjmp.h: Likewise. * sysdeps/powerpc/bits/setjmp.h: Likewise. * sysdeps/unix/sysv/linux/ia64/bits/setjmp.h: Likewise. * sysdeps/alpha/bits/setjmp.h: Likewise.
65 lines
2.4 KiB
C
65 lines
2.4 KiB
C
/* Copyright (C) 1997, 1998, 2000, 2003 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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/* Define the machine-dependent type `jmp_buf'. PowerPC version. */
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#ifndef _BITS_SETJMP_H
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#define _BITS_SETJMP_H 1
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#if !defined _SETJMP_H && !defined _PTHREAD_H
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# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
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#endif
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/* The previous bits/setjmp.h had __jmp_buf defined as a structure.
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We use an array of 'long int' instead, to make writing the
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assembler easier. Naturally, user code should not depend on
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either representation. */
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#include <bits/wordsize.h>
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#if defined __USE_MISC || defined _ASM
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# define JB_GPR1 0 /* Also known as the stack pointer */
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# define JB_GPR2 1
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# define JB_LR 2 /* The address we will return to */
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# if __WORDSIZE == 64
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# define JB_GPRS 3 /* GPRs 14 through 31 are saved, 18*2 words total. */
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# define JB_CR 21 /* Condition code registers. */
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# define JB_FPRS 22 /* FPRs 14 through 31 are saved, 18*2 words total. */
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# define JB_SIZE (40*8)
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# else
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# define JB_GPRS 3 /* GPRs 14 through 31 are saved, 18 in total. */
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# define JB_CR 21 /* Condition code registers. */
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# define JB_FPRS 22 /* FPRs 14 through 31 are saved, 18*2 words total. */
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# define JB_SIZE (58*4)
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# endif
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#endif
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#ifndef _ASM
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# if __WORDSIZE == 64
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typedef long int __jmp_buf[40];
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# else
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typedef long int __jmp_buf[58];
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# endif
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#endif
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/* Test if longjmp to JMPBUF would unwind the frame
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containing a local variable at ADDRESS. */
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#define _JMPBUF_UNWINDS(jmpbuf, address) \
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((void *) (address) < (void *) (jmpbuf)[JB_GPR1])
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#endif /* bits/setjmp.h */
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