diff options
Diffstat (limited to 'libc/sysdeps/linux/m68k/bits/setjmp.h')
-rw-r--r-- | libc/sysdeps/linux/m68k/bits/setjmp.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/m68k/bits/setjmp.h b/libc/sysdeps/linux/m68k/bits/setjmp.h new file mode 100644 index 000000000..aa376a092 --- /dev/null +++ b/libc/sysdeps/linux/m68k/bits/setjmp.h @@ -0,0 +1,46 @@ +/* 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 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'. m68k version. */ + +#ifndef _SETJMP_H +# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead." +#endif + +typedef struct + { + /* There are eight 4-byte data registers, but D0 is not saved. */ + long int __dregs[7]; + + /* There are six 4-byte address registers, plus the FP and SP. */ + int *__aregs[6]; + int *__fp; + int *__sp; + +#if defined __HAVE_68881__ || defined __HAVE_FPU__ + /* There are eight floating point registers which + are saved in IEEE 96-bit extended format. */ + char __fpregs[8 * (96 / 8)]; +#endif + + } __jmp_buf[1]; + +/* Test if longjmp to JMPBUF would unwind the frame + containing a local variable at ADDRESS. */ +#define _JMPBUF_UNWINDS(jmpbuf, address) \ + ((void *) (address) < (void *) (jmpbuf)->__sp) |