scc

simple c99 compiler
git clone git://git.simple-cc.org/scc
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_sigaction2.s (137B)

      1 	.file	"_sigaction2.s"
      2 
      3 	.globl	_sigaction2
      4 _sigaction2:
      5 	movq	$46,%rax
      6 	syscall
      7 	jb	1f
      8 	retq
      9 
     10 1:	movq	%rax,(errno)
     11 	movq	$-1,%rax
     12 	retq