From ae0c1de530bc3b27069008b8b247171d08dbe80b Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Mon, 22 Apr 2013 10:17:56 -0400 Subject: [PATCH] fix reversed argument order x86_64 sigsetjmp's call to sigprocmask this caused sigsetjmp not to save the signal mask but instead to clobber it with whatever happened to be in the sigjmb_buf prior to the call. --- src/signal/x86_64/sigsetjmp.s | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/signal/x86_64/sigsetjmp.s b/src/signal/x86_64/sigsetjmp.s index 94d7148d..dc38f032 100644 --- a/src/signal/x86_64/sigsetjmp.s +++ b/src/signal/x86_64/sigsetjmp.s @@ -6,8 +6,8 @@ sigsetjmp: movq %rsi,64(%rdi) jz 1f pushq %rdi - leaq 72(%rdi),%rsi - xorl %edx,%edx + leaq 72(%rdi),%rdx + xorl %esi,%esi movl $2,%edi call sigprocmask popq %rdi -- 2.25.1