xref: /aosp_15_r20/system/unwinding/libunwindstack/AsmGetRegsX86_64.S (revision eb293b8f56ee8303637c5595cfcdeef8039e85c6)
1*eb293b8fSAndroid Build Coastguard Worker/*
2*eb293b8fSAndroid Build Coastguard Worker * Copyright (C) 2016 The Android Open Source Project
3*eb293b8fSAndroid Build Coastguard Worker * All rights reserved.
4*eb293b8fSAndroid Build Coastguard Worker *
5*eb293b8fSAndroid Build Coastguard Worker * Redistribution and use in source and binary forms, with or without
6*eb293b8fSAndroid Build Coastguard Worker * modification, are permitted provided that the following conditions
7*eb293b8fSAndroid Build Coastguard Worker * are met:
8*eb293b8fSAndroid Build Coastguard Worker *  * Redistributions of source code must retain the above copyright
9*eb293b8fSAndroid Build Coastguard Worker *    notice, this list of conditions and the following disclaimer.
10*eb293b8fSAndroid Build Coastguard Worker *  * Redistributions in binary form must reproduce the above copyright
11*eb293b8fSAndroid Build Coastguard Worker *    notice, this list of conditions and the following disclaimer in
12*eb293b8fSAndroid Build Coastguard Worker *    the documentation and/or other materials provided with the
13*eb293b8fSAndroid Build Coastguard Worker *    distribution.
14*eb293b8fSAndroid Build Coastguard Worker *
15*eb293b8fSAndroid Build Coastguard Worker * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16*eb293b8fSAndroid Build Coastguard Worker * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17*eb293b8fSAndroid Build Coastguard Worker * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
18*eb293b8fSAndroid Build Coastguard Worker * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
19*eb293b8fSAndroid Build Coastguard Worker * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20*eb293b8fSAndroid Build Coastguard Worker * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21*eb293b8fSAndroid Build Coastguard Worker * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22*eb293b8fSAndroid Build Coastguard Worker * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23*eb293b8fSAndroid Build Coastguard Worker * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24*eb293b8fSAndroid Build Coastguard Worker * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
25*eb293b8fSAndroid Build Coastguard Worker * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26*eb293b8fSAndroid Build Coastguard Worker * SUCH DAMAGE.
27*eb293b8fSAndroid Build Coastguard Worker */
28*eb293b8fSAndroid Build Coastguard Worker
29*eb293b8fSAndroid Build Coastguard Worker  .text
30*eb293b8fSAndroid Build Coastguard Worker  .global AsmGetRegs
31*eb293b8fSAndroid Build Coastguard Worker  .balign 16
32*eb293b8fSAndroid Build Coastguard Worker  .type AsmGetRegs, @function
33*eb293b8fSAndroid Build Coastguard WorkerAsmGetRegs:
34*eb293b8fSAndroid Build Coastguard Worker  .cfi_startproc
35*eb293b8fSAndroid Build Coastguard Worker  movq %rax, (%rdi)
36*eb293b8fSAndroid Build Coastguard Worker  movq %rdx, 8(%rdi)
37*eb293b8fSAndroid Build Coastguard Worker  movq %rcx, 16(%rdi)
38*eb293b8fSAndroid Build Coastguard Worker  movq %rbx, 24(%rdi)
39*eb293b8fSAndroid Build Coastguard Worker  movq %rsi, 32(%rdi)
40*eb293b8fSAndroid Build Coastguard Worker  movq %rdi, 40(%rdi)
41*eb293b8fSAndroid Build Coastguard Worker  movq %rbp, 48(%rdi)
42*eb293b8fSAndroid Build Coastguard Worker
43*eb293b8fSAndroid Build Coastguard Worker  /* RSP */
44*eb293b8fSAndroid Build Coastguard Worker  lea 8(%rsp), %rax
45*eb293b8fSAndroid Build Coastguard Worker  movq %rax, 56(%rdi)
46*eb293b8fSAndroid Build Coastguard Worker
47*eb293b8fSAndroid Build Coastguard Worker  movq %r8, 64(%rdi)
48*eb293b8fSAndroid Build Coastguard Worker  movq %r9, 72(%rdi)
49*eb293b8fSAndroid Build Coastguard Worker  movq %r10, 80(%rdi)
50*eb293b8fSAndroid Build Coastguard Worker  movq %r11, 88(%rdi)
51*eb293b8fSAndroid Build Coastguard Worker  movq %r12, 96(%rdi)
52*eb293b8fSAndroid Build Coastguard Worker  movq %r13, 104(%rdi)
53*eb293b8fSAndroid Build Coastguard Worker  movq %r14, 112(%rdi)
54*eb293b8fSAndroid Build Coastguard Worker  movq %r15, 120(%rdi)
55*eb293b8fSAndroid Build Coastguard Worker
56*eb293b8fSAndroid Build Coastguard Worker  /* RIP */
57*eb293b8fSAndroid Build Coastguard Worker  movq (%rsp), %rax
58*eb293b8fSAndroid Build Coastguard Worker  movq %rax, 128(%rdi)
59*eb293b8fSAndroid Build Coastguard Worker  ret
60*eb293b8fSAndroid Build Coastguard Worker
61*eb293b8fSAndroid Build Coastguard Worker  .cfi_endproc
62*eb293b8fSAndroid Build Coastguard Worker  .size AsmGetRegs, .-AsmGetRegs
63