405b8029a6
Change-Id: I2864dea04b3faf2d919165dcaa600af5b16c41c8 Signed-off-by: Chris Dearman <chris@mips.com> Signed-off-by: Raghu Gandham <raghu@mips.com>
52 lines
1.9 KiB
ArmAsm
52 lines
1.9 KiB
ArmAsm
/*
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* Copyright (C) 2008 The Android Open Source Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <asm/unistd.h>
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.text
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/* void _exit_with_stack_teardown(void * stackBase, int stackSize, int retCode) */
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.type _exit_with_stack_teardown, @function
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.global _exit_with_stack_teardown
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.align 4
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.ent _exit_with_stack_teardown
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_exit_with_stack_teardown:
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move $s0,$a2 /* preserve retCode for exit() call */
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li $v0,__NR_munmap
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syscall /* the stack is destroyed by this call */
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move $a0,$s0
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li $v0,__NR_exit
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syscall
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/* exit() should never return, cause a crash if it does */
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move $a0,$0
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lw $a0,($a0)
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.end _exit_with_stack_teardown
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