diff options
Diffstat (limited to 'src/thread/x86_64/syscall_cp.s')
| -rw-r--r-- | src/thread/x86_64/syscall_cp.s | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/src/thread/x86_64/syscall_cp.s b/src/thread/x86_64/syscall_cp.s index a36e8d1d..8b250488 100644 --- a/src/thread/x86_64/syscall_cp.s +++ b/src/thread/x86_64/syscall_cp.s @@ -8,6 +8,7 @@ __syscall_cp_asm: mov 16(%rdi),%eax test %eax,%eax jnz 2f + mov %rdi,%r11 mov %rsi,%rax mov %rdx,%rdi mov %rcx,%rsi @@ -15,10 +16,10 @@ __syscall_cp_asm: mov %r9,%r10 mov 8(%rsp),%r8 mov 16(%rsp),%r9 + mov %r11,8(%rsp) 1: syscall + xor %ecx,%ecx + mov 8(%rsp),%edi + mov %rcx,(%rdi) ret -2: xor %edi,%edi - mov %rdi,8(%r10) - mov %rdi,(%r10) - dec %rdi - jmp __cancel +2: call __cancel |