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| 1 /* | |
| 2 * Copyright (C) 2014 Google Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions are | |
| 6 * met: | |
| 7 * | |
| 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 | |
| 11 * copyright notice, this list of conditions and the following disclaimer | |
| 12 * in the documentation and/or other materials provided with the | |
| 13 * distribution. | |
| 14 * * Neither the name of Google Inc. nor the names of its | |
| 15 * contributors may be used to endorse or promote products derived from | |
| 16 * this software without specific prior written permission. | |
| 17 * | |
| 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 */ | |
| 30 | |
| 31 | |
| 32 /* | |
| 33 * typedef void (*PushAllRegistersCallback)(SafePointBarrier*, ThreadState*, int
ptr_t*); | |
| 34 * extern "C" void pushAllRegisters(SafePointBarrier*, ThreadState*, PushAllRegi
stersCallback) | |
| 35 */ | |
| 36 | |
| 37 .type pushAllRegisters, %function | |
| 38 .global pushAllRegisters | |
| 39 .hidden pushAllRegisters | |
| 40 pushAllRegisters: | |
| 41 /* Save return address. */ | |
| 42 sub sp, sp, #96 | |
| 43 stp x19, x20, [sp, #80] | |
| 44 stp x21, x22, [sp, #64] | |
| 45 stp x23, x24, [sp, #48] | |
| 46 stp x25, x26, [sp, #32] | |
| 47 stp x27, x28, [sp, #16] | |
| 48 stp x30, x29, [sp, #0] // x30 is lr. | |
| 49 | |
| 50 /* Pass the two first arguments unchanged (x0, x1) | |
| 51 * and pass the stack pointer as third argument to the | |
| 52 * callback function. | |
| 53 */ | |
| 54 mov x3, x2 | |
| 55 mov x2, sp | |
| 56 blr x3 | |
| 57 | |
| 58 /* We don't restore all registers since they are callee saved (so | |
| 59 * the callback didn't clobber them) and we didn't modify them either. | |
| 60 */ | |
| 61 ldr x30, [sp], #96 | |
| 62 ret | |
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Chromium Code Reviews
Issue 206333003:
Rename a64 target arch to arm64 in blink_heap.gypi (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master