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authorNicholas J. Kain <njkain@gmail.com>2011-02-15 07:32:09 -0500
committerNicholas J. Kain <njkain@gmail.com>2011-02-15 07:32:09 -0500
commit1e12632591ab98a6ea3af8680716c28282552981 (patch)
tree5b79bd9a0b950d6ab414fef8cbb5dfcd1a6d2e83 /src/signal/x86_64/sigsetjmp.s
parentc2afb747b0296f23cd1903e82ccbdee3fc2978fd (diff)
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Port musl to x86-64. One giant commit!
Diffstat (limited to 'src/signal/x86_64/sigsetjmp.s')
-rw-r--r--src/signal/x86_64/sigsetjmp.s11
1 files changed, 11 insertions, 0 deletions
diff --git a/src/signal/x86_64/sigsetjmp.s b/src/signal/x86_64/sigsetjmp.s
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+++ b/src/signal/x86_64/sigsetjmp.s
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+/* Copyright 2011 Nicholas J. Kain, licensed GNU LGPL 2.1 or later */
+.global sigsetjmp
+sigsetjmp:
+	test %rsi,%rsi
+	jz 1f              /* if save == 0, just goto setjmp */
+	movq %rsi,64(%rdi) /* move save -> jmp_buf[8] */
+	addq $72,%rdi      /* add sizeof(jmp_buf) to rdi */
+	movl $0,%esi       /* arg2 = 0 */
+	movl $2,%edx       /* arg3 = 2 */
+	call sigprocmask   /* sigprocmask(jmp_buf, 0, 2) */
+1:	jmp setjmp