diff options
| author | David McCullough <davidm@snapgear.com> | 2003-10-14 11:52:32 +0000 |
|---|---|---|
| committer | David McCullough <davidm@snapgear.com> | 2003-10-14 11:52:32 +0000 |
| commit | 94b92c2fab333403aa43fd55ec858fdbf666f8c3 (patch) | |
| tree | 10e30871a37756c010dbbb26326bf934ba434552 /libc/sysdeps/linux/microblaze/bits/setjmp.h | |
| parent | 34c5a8290b32d93beca6ae8f9c346bbadf408591 (diff) | |
Microblaze port from the uClinux-dist,
contributed by John Williams <jwilliams@itee.uq.edu.au>
Diffstat (limited to 'libc/sysdeps/linux/microblaze/bits/setjmp.h')
| -rw-r--r-- | libc/sysdeps/linux/microblaze/bits/setjmp.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/microblaze/bits/setjmp.h b/libc/sysdeps/linux/microblaze/bits/setjmp.h new file mode 100644 index 000000000..80cddb05d --- /dev/null +++ b/libc/sysdeps/linux/microblaze/bits/setjmp.h @@ -0,0 +1,38 @@ +/* + * libc/sysdeps/linux/microblaze/bits/setjmp.h -- microblaze version of `jmp_buf' type + * + * Copyright (C) 2003 John Williams <jwilliams@itee.uq.edu.au> + * Copyright (C) 2001 NEC Corporation + * Copyright (C) 2001 Miles Bader <miles@gnu.org> + * + * This file is subject to the terms and conditions of the GNU Lesser + * General Public License. See the file COPYING.LIB in the main + * directory of this archive for more details. + * + * Written by Miles Bader <miles@gnu.org> + */ + +#ifndef _SETJMP_H +# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead." +#endif + +#ifndef _ASM +typedef struct + { + /* Stack pointer. */ + void *__sp; + + /* Link pointer. */ + void *__lp; + + /* Callee-saved registers r18-r30. */ + int __regs[13]; + } __jmp_buf[1]; +#endif + +#define JB_SIZE (4 * 15) + +/* Test if longjmp to JMPBUF would unwind the frame + containing a local variable at ADDRESS. */ +#define _JMPBUF_UNWINDS(jmpbuf, address) \ + ((__ptr_t) (address) < &(jmpbuf)[0].__sp) |