fix crash in x32 sigsetjmp

[musl] / src / signal / x32 / sigsetjmp.s

diff --git a/src/signal/x32/sigsetjmp.s b/src/signal/x32/sigsetjmp.s
index 17436f0..1f02b0e 100644 (file)
--- a/src/signal/x32/sigsetjmp.s
+++ b/src/signal/x32/sigsetjmp.s
@@ -1,17 +1,25 @@
-/* Copyright 2011-2012 Nicholas J. Kain, licensed under standard MIT license */
 .global sigsetjmp
 .global __sigsetjmp
 .type sigsetjmp,@function
 .type __sigsetjmp,@function
 sigsetjmp:
 __sigsetjmp:
-       andl %esi,%esi
-       movq %rsi,64(%rdi)
+       test %esi,%esi
        jz 1f
-       pushq %rdi
-       leaq 72(%rdi),%rdx
-       xorl %esi,%esi
-       movl $2,%edi
-       call sigprocmask
-       popq %rdi
-1:     jmp setjmp
+
+       popq 64(%rdi)
+       mov %rbx,72+8(%rdi)
+       mov %rdi,%rbx
+
+       call setjmp@PLT
+
+       pushq 64(%rbx)
+       movl $0, 4(%rsp)
+       mov %rbx,%rdi
+       mov %eax,%esi
+       mov 72+8(%rbx),%rbx
+
+.hidden __sigsetjmp_tail
+       jmp __sigsetjmp_tail
+
+1:     jmp setjmp@PLT