prepare cancellation syscall asm for possibility of __cancel returning

[musl] / src / thread / arm / syscall_cp.s

diff --git a/src/thread/arm/syscall_cp.s b/src/thread/arm/syscall_cp.s
index 5a2d6c3..66c5ecb 100644 (file)
--- a/src/thread/arm/syscall_cp.s
+++ b/src/thread/arm/syscall_cp.s
@@ -7,7 +7,7 @@ __syscall_cp_asm:
 __cp_begin:
        ldr r0,[r0]
        cmp r0,#0
-       blne __cancel
+       blne __cp_cancel
        mov r7,r1
        mov r0,r2
        mov r1,r3
@@ -19,3 +19,7 @@ __cp_end:
        tst lr,#1
        moveq pc,lr
        bx lr
+.global __cp_cancel
+__cp_cancel:
+       ldmfd sp!,{r4,r5,r6,r7,lr}
+       b __cancel