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| author | H.J. Lu <hjl.tools@gmail.com> | 2014-05-02 08:27:16 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2014-05-02 08:27:16 -0700 |
| commit | 8df14d78dc753a5286bb6461a14d8baa1e13e3cd (patch) | |
| tree | 1a32494aa203d9064ba8df8f0880265222904a0a /opcodes/sysdep.h | |
| parent | 2f67d686330300d4d27ff99ec47a970d744df8bb (diff) | |
| download | gdb-8df14d78dc753a5286bb6461a14d8baa1e13e3cd.zip gdb-8df14d78dc753a5286bb6461a14d8baa1e13e3cd.tar.gz gdb-8df14d78dc753a5286bb6461a14d8baa1e13e3cd.tar.bz2 | |
Use sigsetjmp/siglongjmp in opcodes
sigsetjmp/siglongjmp without saving the signal mask is faster than
setjmp/longjmp on systems where the signal mask is saved. This patch
uses sigsetjmp/siglongjmp without saving the signal mask if possible.
PR binutils/16886
* config.in: Regenerated.
* configure: Likewise.
* configure.in: Check if sigsetjmp is available.
* h8500-dis.c (private): Replace jmp_buf with OPCODES_SIGJMP_BUF.
(fetch_data): Replace longjmp with OPCODES_SIGLONGJMP.
(print_insn_h8500): Replace setjmp with OPCODES_SIGSETJMP.
* i386-dis.c (dis_private): Replace jmp_buf with OPCODES_SIGJMP_BUF.
(fetch_data): Replace longjmp with OPCODES_SIGLONGJMP.
(print_insn): Replace setjmp with OPCODES_SIGSETJMP.
* ns32k-dis.c (private): Replace jmp_buf with OPCODES_SIGJMP_BUF.
(fetch_data): Replace longjmp with OPCODES_SIGLONGJMP.
(print_insn_ns32k): Replace setjmp with OPCODES_SIGSETJMP.
* sysdep.h (OPCODES_SIGJMP_BUF): New macro.
(OPCODES_SIGSETJMP): Likewise.
(OPCODES_SIGLONGJMP): Likewise.
* vax-dis.c (private): Replace jmp_buf with OPCODES_SIGJMP_BUF.
(fetch_data): Replace longjmp with OPCODES_SIGLONGJMP.
(print_insn_vax): Replace setjmp with OPCODES_SIGSETJMP.
* xtensa-dis.c (dis_private): Replace jmp_buf with
OPCODES_SIGJMP_BUF.
(fetch_data): Replace longjmp with OPCODES_SIGLONGJMP.
(print_insn_xtensa): Replace setjmp with OPCODES_SIGSETJMP.
* z8k-dis.c(instr_data_s): Replace jmp_buf with OPCODES_SIGJMP_BUF.
(fetch_data): Replace longjmp with OPCODES_SIGLONGJMP.
(print_insn_z8k): Replace setjmp with OPCODES_SIGSETJMP.
Diffstat (limited to 'opcodes/sysdep.h')
| -rw-r--r-- | opcodes/sysdep.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/opcodes/sysdep.h b/opcodes/sysdep.h index cdd0fc0..84811f1 100644 --- a/opcodes/sysdep.h +++ b/opcodes/sysdep.h @@ -55,3 +55,17 @@ #if !HAVE_DECL_STPCPY extern char *stpcpy (char *__dest, const char *__src); #endif + +/* Use sigsetjmp/siglongjmp without saving the signal mask if possible. + It is faster than setjmp/longjmp on systems where the signal mask is + saved. */ + +#if defined(HAVE_SIGSETJMP) +#define OPCODES_SIGJMP_BUF sigjmp_buf +#define OPCODES_SIGSETJMP(buf) sigsetjmp((buf), 0) +#define OPCODES_SIGLONGJMP(buf,val) siglongjmp((buf), (val)) +#else +#define OPCODES_SIGJMP_BUF jmp_buf +#define OPCODES_SIGSETJMP(buf) setjmp(buf) +#define OPCODES_SIGLONGJMP(buf,val) longjmp((buf), (val)) +#endif |