diff options
Diffstat (limited to 'libc/sysdeps/linux/bfin/bits/setjmp.h')
| -rw-r--r-- | libc/sysdeps/linux/bfin/bits/setjmp.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/bfin/bits/setjmp.h b/libc/sysdeps/linux/bfin/bits/setjmp.h new file mode 100644 index 000000000..abb7db6a0 --- /dev/null +++ b/libc/sysdeps/linux/bfin/bits/setjmp.h @@ -0,0 +1,53 @@ +/* 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'. bfin version. Lineo, Inc. 2001*/ + +#ifndef _SETJMP_H +# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead." +#endif + +#ifndef _ASM +/* Jump buffer contains r7-r4, p5-p3, fp, sp and pc. Other registers are not saved. */ +typedef struct +{ + unsigned long __pregs[6]; + unsigned long fp; + unsigned long sp; + unsigned long __rregs[8]; + unsigned long astat; + unsigned long __lcregs[2]; + unsigned long a0w; + unsigned long a0x; + unsigned long a1w; + unsigned long a1x; + unsigned long __iregs[4]; + unsigned long __mregs[4]; + unsigned long __lregs[4]; + unsigned long __bregs[4]; + unsigned long pc; +}__jmp_buf[1]; + +#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)->__pregs[6]) |