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.