diff options
Diffstat (limited to 'arch/um/sys-i386/stub.S')
-rw-r--r-- | arch/um/sys-i386/stub.S | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/arch/um/sys-i386/stub.S b/arch/um/sys-i386/stub.S deleted file mode 100644 index 54a36ec20cb7..000000000000 --- a/arch/um/sys-i386/stub.S +++ /dev/null | |||
@@ -1,51 +0,0 @@ | |||
1 | #include "as-layout.h" | ||
2 | |||
3 | .globl syscall_stub | ||
4 | .section .__syscall_stub, "ax" | ||
5 | |||
6 | .globl batch_syscall_stub | ||
7 | batch_syscall_stub: | ||
8 | /* load pointer to first operation */ | ||
9 | mov $(STUB_DATA+8), %esp | ||
10 | |||
11 | again: | ||
12 | /* load length of additional data */ | ||
13 | mov 0x0(%esp), %eax | ||
14 | |||
15 | /* if(length == 0) : end of list */ | ||
16 | /* write possible 0 to header */ | ||
17 | mov %eax, STUB_DATA+4 | ||
18 | cmpl $0, %eax | ||
19 | jz done | ||
20 | |||
21 | /* save current pointer */ | ||
22 | mov %esp, STUB_DATA+4 | ||
23 | |||
24 | /* skip additional data */ | ||
25 | add %eax, %esp | ||
26 | |||
27 | /* load syscall-# */ | ||
28 | pop %eax | ||
29 | |||
30 | /* load syscall params */ | ||
31 | pop %ebx | ||
32 | pop %ecx | ||
33 | pop %edx | ||
34 | pop %esi | ||
35 | pop %edi | ||
36 | pop %ebp | ||
37 | |||
38 | /* execute syscall */ | ||
39 | int $0x80 | ||
40 | |||
41 | /* check return value */ | ||
42 | pop %ebx | ||
43 | cmp %ebx, %eax | ||
44 | je again | ||
45 | |||
46 | done: | ||
47 | /* save return value */ | ||
48 | mov %eax, STUB_DATA | ||
49 | |||
50 | /* stop */ | ||
51 | int3 | ||