1/*
2 * Copyright (C) 2016 The Android Open Source Project
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *  * Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 *  * Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in
12 *    the documentation and/or other materials provided with the
13 *    distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29  .text
30  .global AsmGetRegs
31  .balign 16
32  .type AsmGetRegs, @function
33AsmGetRegs:
34  .cfi_startproc
35  mov 4(%esp), %eax
36  movl $0, (%eax)
37  movl %ecx, 4(%eax)
38  movl %edx, 8(%eax)
39  movl %ebx, 12(%eax)
40
41  /* ESP */
42  leal 4(%esp), %ecx
43  movl %ecx, 16(%eax)
44
45  movl %ebp, 20(%eax)
46  movl %esi, 24(%eax)
47  movl %edi, 28(%eax)
48
49  /* EIP */
50  movl (%esp), %ecx
51  movl %ecx, 32(%eax)
52
53  mov  %cs, 36(%eax)
54  mov  %ss, 40(%eax)
55  mov  %ds, 44(%eax)
56  mov  %es, 48(%eax)
57  mov  %fs, 52(%eax)
58  mov  %gs, 56(%eax)
59  ret
60
61  .cfi_endproc
62  .size AsmGetRegs, .-AsmGetRegs
63