From: Ulrich Drepper Date: Tue, 21 Mar 2000 01:25:30 +0000 (+0000) Subject: AIX definitions for setjmp.h. X-Git-Tag: upstream/2.30~10627^2~2547 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6b4c331660b7e1ec846b9ebb5af4137e5b97c38d;p=external%2Fglibc.git AIX definitions for setjmp.h. --- diff --git a/sysdeps/unix/sysv/aix/bits/setjmp.h b/sysdeps/unix/sysv/aix/bits/setjmp.h new file mode 100644 index 0000000..675ed62 --- /dev/null +++ b/sysdeps/unix/sysv/aix/bits/setjmp.h @@ -0,0 +1,46 @@ +/* Copyright (C) 1997, 1998, 1999 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +/* Define the machine-dependent type `jmp_buf'. PowerPC version. */ + +#ifndef _SETJMP_H +# error "Never include directly; use instead." +#endif + +/* The previous bits/setjmp.h had __jmp_buf defined as a structure. + We use an array of 'long int' instead, to make writing the + assembler easier. Naturally, user code should not depend on + either representation. */ + +#if defined __USE_MISC || defined _ASM +# define JB_GPR1 0 /* Also known as the stack pointer */ +# define JB_GPR2 1 +# define JB_LR 2 /* The address we will return to */ +# 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 */ +#endif + +#ifndef _ASM +typedef long int __jmp_buf[64]; +#endif + +/* Test if longjmp to JMPBUF would unwind the frame + containing a local variable at ADDRESS. */ +#define _JMPBUF_UNWINDS(jmpbuf, address) \ + ((void *) (address) < (void *) (jmpbuf)[JB_GPR1])