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Diffstat (limited to 'sysdeps/hppa/bits/setjmp.h')
| -rw-r--r-- | sysdeps/hppa/bits/setjmp.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/sysdeps/hppa/bits/setjmp.h b/sysdeps/hppa/bits/setjmp.h new file mode 100644 index 0000000000..7fb2af77d0 --- /dev/null +++ b/sysdeps/hppa/bits/setjmp.h @@ -0,0 +1,41 @@ +/* Copyright (C) 2000 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 Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; 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'. HPPA version. */ + +#ifndef _SETJMP_H +# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead." +#endif + +/* The previous bits/setjmp.h had __jmp_buf defined as a structure. + We use an array of 'double' instead, to make writing the assembler + easier, and to ensure proper alignment. Naturally, user code should + not depend on either representation. */ + +#if defined __USE_MISC || defined _ASM +#define JB_SP (76/4) +#endif + +#ifndef _ASM +typedef double __jmp_buf[21]; +#endif + +/* Test if longjmp to JMPBUF would unwind the frame containing a local + variable at ADDRESS. */ +#define _JMPBUF_UNWINDS(_jmpbuf, _address) \ + ((void *)(_address) > (void *)(((unsigned long *) _jmpbuf)[JB_SP])) |