Updated to fedora-glibc-20051219T1003
[glibc.git] / sysdeps / m68k / bits / setjmp.h
blob193eec3509450ac6291cefbae7efba939c9930c1
1 /* Copyright (C) 1997, 1998 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, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17 02111-1307 USA. */
19 /* Define the machine-dependent type `jmp_buf'. m68k 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."
25 #endif
27 typedef struct
29 /* There are eight 4-byte data registers, but D0 is not saved. */
30 long int __dregs[7];
32 /* There are six 4-byte address registers, plus the FP and SP. */
33 int *__aregs[6];
34 int *__fp;
35 int *__sp;
37 #if defined __HAVE_68881__ || defined __HAVE_FPU__
38 /* There are eight floating point registers which
39 are saved in IEEE 96-bit extended format. */
40 char __fpregs[8 * (96 / 8)];
41 #endif
43 } __jmp_buf[1];
45 /* Test if longjmp to JMPBUF would unwind the frame
46 containing a local variable at ADDRESS. */
47 #define _JMPBUF_UNWINDS(jmpbuf, address) \
48 ((void *) (address) < (void *) (jmpbuf)->__sp)
50 #endif /* bits/setjmp.h */