prepare cancellation syscall asm for possibility of __cancel returning

[musl] / src / thread / i386 / syscall_cp.s

diff --git a/src/thread/i386/syscall_cp.s b/src/thread/i386/syscall_cp.s
index 3bf52c1..71ce63f 100644 (file)
--- a/src/thread/i386/syscall_cp.s
+++ b/src/thread/i386/syscall_cp.s
@@ -11,7 +11,7 @@ __syscall_cp_asm:
 __cp_begin:
        movl (%ecx),%eax
        testl %eax,%eax
-       jnz __cancel
+       jnz __cp_cancel
        movl 24(%esp),%eax
        movl 28(%esp),%ebx
        movl 32(%esp),%ecx
@@ -27,3 +27,10 @@ __cp_end:
        popl %esi
        popl %ebx
        ret
+.global __cp_cancel
+__cp_cancel:
+       popl %ebp
+       popl %edi
+       popl %esi
+       popl %ebx
+       jmp __cancel