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/*
* 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
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