diff options
Diffstat (limited to 'sysdeps/nios2/jmpbuf-offsets.h')
| -rw-r--r-- | sysdeps/nios2/jmpbuf-offsets.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/sysdeps/nios2/jmpbuf-offsets.h b/sysdeps/nios2/jmpbuf-offsets.h new file mode 100644 index 0000000000..7bbdcb6db8 --- /dev/null +++ b/sysdeps/nios2/jmpbuf-offsets.h @@ -0,0 +1,48 @@ +/* Private macros for accessing __jmp_buf contents. Nios II version. + Copyright (C) 2006-2015 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, see + <http://www.gnu.org/licenses/>. */ + +/* Save offsets within __jmp_buf. */ +#define JB_R16 0 +#define JB_R17 1 +#define JB_R18 2 +#define JB_R19 3 +#define JB_R20 4 +#define JB_R21 5 +#define JB_R22 6 +#define JB_FP 7 +#define JB_RA 8 +#define JB_SP 9 + +#ifndef __ASSEMBLER__ +#include <setjmp.h> +#include <stdint.h> +#include <sysdep.h> + +static inline uintptr_t __attribute__ ((unused)) +_jmpbuf_sp (__jmp_buf jmpbuf) +{ + uintptr_t sp = jmpbuf[JB_SP]; +#ifdef PTR_DEMANGLE + PTR_DEMANGLE (sp); +#endif + return sp; +} +#endif + +/* Helper for generic ____longjmp_chk(). */ +#define JB_FRAME_ADDRESS(buf) ((void *) _jmpbuf_sp (buf)) |