/* Copyright (C) 1997, 1998 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 the machine-dependent type `jmp_buf'. ARM version. */ #ifndef _BITS_SETJMP_H #define _BITS_SETJMP_H 1 #if !defined _SETJMP_H && !defined _PTHREAD_H # error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead." #endif #ifndef _ASM /* Jump buffer contains v1-v6, sl, fp, sp and pc. Other registers are not saved. */ #ifdef __ARM_EABI__ /* The exact set of registers saved may depend on the particular core in use, as some coprocessor registers may need to be saved. The C Library ABI requires that the buffer be 8-byte aligned, and recommends that the buffer contain 64 words. The first 28 words are occupied by v1-v6, sl, fp, sp, pc, d8-d15, and fpscr. (Note that d8-15 require 17 words, due to the use of fstmx.) */ typedef int __jmp_buf[64] __attribute__((aligned (8))); #elif defined __MAVERICK__ || defined __IWMMXT__ typedef int __jmp_buf[34]; #else typedef int __jmp_buf[22]; #endif #endif #define __JMP_BUF_SP 8 /* Test if longjmp to JMPBUF would unwind the frame containing a local variable at ADDRESS. */ #define _JMPBUF_UNWINDS(jmpbuf, address) \ ((void *) (address) < (void *) (jmpbuf[__JMP_BUF_SP])) #endif /* bits/setjmp.h */