overhaul syscall interface

[musl] / src / internal / x86_64 / syscall.s

diff --git a/src/internal/x86_64/syscall.s b/src/internal/x86_64/syscall.s
new file mode 100644 (file)
index 0000000..7bec729
--- /dev/null
+++ b/src/internal/x86_64/syscall.s
@@ -0,0 +1,14 @@
+.global __syscall
+.type __syscall,%function
+__syscall:
+di,si,dx,cx,r8,r9
+       movq %rdi,%rax
+       movq %rsi,%rdi
+       movq %rdx,%rsi
+       movq %rcx,%rdx
+       movq %r8,%r10
+       movq %r9,%r8
+       movq 8(%rsp),%r9
+       syscall
+       ret
+.size __syscall,.-__syscall