| /* |
| * Copyright (C) 2013 Google Inc. 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. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * 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. |
| */ |
| |
| |
| /* |
| * typedef void (*PushAllRegistersCallback)(SafePointBarrier*, ThreadState*, intptr_t*); |
| * extern "C" void pushAllRegisters(SafePointBarrier*, ThreadState*, PushAllRegistersCallback) |
| */ |
| |
| .type pushAllRegisters, %function |
| .global pushAllRegisters |
| .hidden pushAllRegisters |
| pushAllRegisters: |
| // Reserve space for callee-saved registers, return address, |
| // as well as for the callee arguments. |
| addiu $sp,$sp,-56 |
| // Save the callee-saved registers and the return address. |
| sw $s0,16($sp) |
| sw $s1,20($sp) |
| sw $s2,24($sp) |
| sw $s3,28($sp) |
| sw $s4,32($sp) |
| sw $s5,36($sp) |
| sw $s6,40($sp) |
| sw $s7,44($sp) |
| sw $ra,48($sp) |
| // Pass the two first arguments untouched in a0 and a1 and the |
| // stack pointer to the callback. |
| move $t9,$a2 |
| move $a2,$sp |
| jal $t9 |
| // Restore return address, adjust stack and return. No |
| // callee-saved register was changed so we do not have to |
| // restore callee-saved registers. |
| lw $ra,48($sp) |
| addiu $sp,$sp,56 |
| jr $ra |
