1 /* Copyright (C) 1997,1998,2005,2006 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <http://www.gnu.org/licenses/>. */
18 /* Define the machine-dependent type `jmp_buf'. ARM version. */
20 #ifndef _BITS_SETJMP_H
21 #define _BITS_SETJMP_H 1
23 #if !defined _SETJMP_H && !defined _PTHREAD_H
24 # error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
27 /* Jump buffer contains v1-v6, sl, fp, sp and pc. Other registers are not
30 /* The exact set of registers saved may depend on the particular core
31 in use, as some coprocessor registers may need to be saved. The C
32 Library ABI requires that the buffer be 8-byte aligned, and
33 recommends that the buffer contain 64 words. The first 28 words
34 are occupied by v1-v6, sl, fp, sp, pc, d8-d15, and fpscr. (Note
35 that d8-15 require 17 words, due to the use of fstmx.) */
36 typedef int __jmp_buf[64] __attribute__((aligned (8)));
37 #elif defined __MAVERICK__ || defined __IWMMXT__
38 typedef int __jmp_buf[34];
40 # ifdef __UCLIBC_HAS_FPU__
41 typedef int __jmp_buf[22];
43 typedef int __jmp_buf[10];