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| 1 /* | |
| 2 * Copyright (C) 2013 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 #ifdef __thumb__ | |
| 41 /* In THUMB Mode jump to ARM stub via bx to ensure CPU mode switch. | |
| 42 * FIXME: This trampoline is provided to workaround bugs in | |
| 43 * the THUMB/ARM interworking that appear in the component build. | |
| 44 * When these issues are resolved this stub can be removed. | |
| 45 */ | |
| 46 .align 2 | |
| 47 .code 16 | |
| 48 .thumb_func | |
| 49 pushAllRegisters: | |
| 50 adr r3, pushAllRegistersARM | |
| 51 bx r3 | |
| 52 | |
| 53 .type pushAllRegistersARM, %function | |
| 54 .hidden pushAllRegistersARM | |
| 55 .align 4 | |
| 56 .code 32 | |
| 57 pushAllRegistersARM: | |
| 58 #else | |
| 59 /* ARM Mode */ | |
| 60 .align 4 | |
| 61 .code 32 | |
| 62 pushAllRegisters: | |
| 63 #endif | |
| 64 /* Push all callee-saved registers and save return address. */ | |
| 65 push {r4-r11, lr} | |
| 66 /* Pass the two first arguments unchanged (r0, r1) | |
| 67 * and pass the stack pointer after pushing callee-saved | |
| 68 * registers to the callback function. | |
| 69 */ | |
| 70 mov r3, r2 | |
| 71 mov r2, sp | |
| 72 blx r3 | |
| 73 /* Discard all the registers, and pop lr into pc which returns | |
| 74 * and switches mode if needed. | |
| 75 */ | |
| 76 add sp, sp, #32 | |
| 77 pop {pc} | |
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Chromium Code Reviews
Issue 686783002:
Remove almost all of Oilpan (Closed)
Base URL: git@github.com:domokit/mojo.git@master