setjmp: optimize longjmp prologues

[musl] / src / thread / x32 / clone.s

diff --git a/src/thread/x32/clone.s b/src/thread/x32/clone.s
index ee59903..b870880 100644 (file)
--- a/src/thread/x32/clone.s
+++ b/src/thread/x32/clone.s
@@ -1,9 +1,9 @@
 .text
 .global __clone
+.hidden __clone
 .type   __clone,@function
 __clone:
-       xor %eax,%eax
-       mov $56,%al
+       movl $0x40000038,%eax /* SYS_clone */
        mov %rdi,%r11
        mov %rdx,%rdi
        mov %r8,%rdx
@@ -20,8 +20,7 @@ __clone:
        pop %rdi
        call *%r9
        mov %eax,%edi
-       xor %eax,%eax
-       mov $60,%al
+       movl $0x4000003c,%eax /* SYS_exit */
        syscall
        hlt
 1:     ret