x86_64 vfork implementation

untested; should work.

x86_64 vfork implementation
untested; should work.
4cf667c9 · Rich Felker · ce4d97e3 · 4cf667c9
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src/process/x86_64/vfork.s src/process/x86_64/vfork.s +12 -0

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--- a/src/process/x86_64/vfork.s
+++ b/src/process/x86_64/vfork.s
+.global __vfork
+.weak vfork
+.type __vfork,@function
+.type vfork,@function
+__vfork:
+vfork:
+	pop %rdx
+	mov $58,%eax
+	syscall
+	push %rdx
+	mov %rax,%rdi
+	jmp __syscall_ret