1/*
2 * Copyright (C) 2020 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17    .globl berberis_RawSyscallImpl
18    .balign 16
19
20berberis_RawSyscallImpl:
21
22    .cfi_startproc
23    push %ebx
24    .cfi_adjust_cfa_offset 4
25    .cfi_rel_offset ebx, 0
26    push %esi
27    .cfi_adjust_cfa_offset 4
28    .cfi_rel_offset esi, 0
29    push %edi
30    .cfi_adjust_cfa_offset 4
31    .cfi_rel_offset edi, 0
32    push %ebp
33    .cfi_adjust_cfa_offset 4
34    .cfi_rel_offset ebp, 0
35
36    // The params are shifted 16 bytes after the saved regs
37    mov 20(%esp), %eax
38    mov 24(%esp), %ebx
39    mov 28(%esp), %ecx
40    mov 32(%esp), %edx
41    mov 36(%esp), %esi
42    mov 40(%esp), %edi
43    mov 44(%esp), %ebp
44
45    int $0x80
46
47    pop %ebp
48    .cfi_adjust_cfa_offset -4
49    .cfi_restore ebp
50    pop %edi
51    .cfi_adjust_cfa_offset -4
52    .cfi_restore edi
53    pop %esi
54    .cfi_adjust_cfa_offset -4
55    .cfi_restore esi
56    pop %ebx
57    .cfi_adjust_cfa_offset -4
58    .cfi_restore ebx
59
60    ret
61    .cfi_endproc
62