platform_system_core/libunwindstack/AsmGetRegsMips64.S
Douglas Leung 61b1a1ae77 Add libunwindstack support for Mips and Mips64
This patch requires v3.18 kernel or above, because v3.10 kernel
has a bug (as of 8/1/2017) in the ptrace(GETREGSET) function for mips
and mips64.

Change-Id: I004c1fa190193eebe1c84440b366289122a6bd8a
Signed-off-by: Douglas Leung <douglas.leung@mips.com>
Signed-off-by: Dejan Jovicevic <dejan.jovicevic@mips.com>
2017-12-11 15:44:40 +01:00

80 lines
2.4 KiB
ArmAsm

/*
* Copyright (C) 2017 The Android Open Source Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
.text
.type AsmGetRegs, %function
.globl AsmGetRegs
.ent AsmGetRegs
.balign 16
AsmGetRegs:
.cfi_startproc
.cfi_def_cfa $sp, 0
.set push
.set noreorder
.cpload $t9
sd $zero, 0($a0)
.set noat
sd $at, 8($a0)
.set at
sd $v0, 16($a0)
sd $v1, 24($a0)
sd $a0, 32($a0)
sd $a1, 40($a0)
sd $a2, 48($a0)
sd $a3, 56($a0)
sd $a4, 64($a0)
sd $a5, 72($a0)
sd $a6, 80($a0)
sd $a7, 88($a0)
sd $t0, 96($a0)
sd $t1, 104($a0)
sd $t2, 112($a0)
sd $t3, 120($a0)
sd $s0, 128($a0)
sd $s1, 136($a0)
sd $s2, 144($a0)
sd $s3, 152($a0)
sd $s4, 160($a0)
sd $s5, 168($a0)
sd $s6, 176($a0)
sd $s7, 184($a0)
sd $t8, 192($a0)
sd $t9, 200($a0)
sd $k0, 208($a0)
sd $k1, 216($a0)
sd $gp, 224($a0)
sd $sp, 232($a0)
sd $s8, 240($a0)
sd $ra, 248($a0)
jalr $zero, $ra
sd $ra, 256($a0) // set PC to the calling function
.set pop
.cfi_endproc
.size AsmGetRegs, .-AsmGetRegs
.end AsmGetRegs