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-rw-r--r--libc-top-half/musl/src/thread/aarch64/syscall_cp.s32
1 files changed, 32 insertions, 0 deletions
diff --git a/libc-top-half/musl/src/thread/aarch64/syscall_cp.s b/libc-top-half/musl/src/thread/aarch64/syscall_cp.s
new file mode 100644
index 0000000..41db68a
--- /dev/null
+++ b/libc-top-half/musl/src/thread/aarch64/syscall_cp.s
@@ -0,0 +1,32 @@
+// __syscall_cp_asm(&self->cancel, nr, u, v, w, x, y, z)
+// x0 x1 x2 x3 x4 x5 x6 x7
+
+// syscall(nr, u, v, w, x, y, z)
+// x8 x0 x1 x2 x3 x4 x5
+
+.global __cp_begin
+.hidden __cp_begin
+.global __cp_end
+.hidden __cp_end
+.global __cp_cancel
+.hidden __cp_cancel
+.hidden __cancel
+.global __syscall_cp_asm
+.hidden __syscall_cp_asm
+.type __syscall_cp_asm,%function
+__syscall_cp_asm:
+__cp_begin:
+ ldr w0,[x0]
+ cbnz w0,__cp_cancel
+ mov x8,x1
+ mov x0,x2
+ mov x1,x3
+ mov x2,x4
+ mov x3,x5
+ mov x4,x6
+ mov x5,x7
+ svc 0
+__cp_end:
+ ret
+__cp_cancel:
+ b __cancel