66 lines
2.2 KiB
ArmAsm
66 lines
2.2 KiB
ArmAsm
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/* setjmp and longjmp
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Copyright (c) 2011, Adapteva, Inc.
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All rights reserved.
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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 are met:
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* Redistributions of source code must retain the above copyright notice,
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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 the
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documentation and/or other materials provided with the distribution.
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* Neither the name of Adapteva nor the names of its contributors may be
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used to endorse or promote products derived from this software without
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specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE. */
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.file "setjmp.S"
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.section .text
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.align 4
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.global _setjmp
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.type _setjmp, %function
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_setjmp:
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strd lr,[r0]
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strd r4,[r0,1]
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strd r6,[r0,2]
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strd r8,[r0,3]
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strd r10,[r0,4]
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strd r32,[r0,5]
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strd r34,[r0,6]
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strd r36,[r0,7]
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strd r38,[r0,8]
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str sp,[r0,18]
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mov r0,#0
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rts
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.size _setjmp, .-_setjmp
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.global _longjmp
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_longjmp:
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ldrd lr,[r0] ; return address / r15
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ldrd r4,[r0,1]
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ldrd r6,[r0,2]
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ldrd r8,[r0,3]
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ldrd r10,[r0,4]
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ldrd r32,[r0,5]
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ldrd r34,[r0,6]
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ldrd r36,[r0,7]
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ldrd r38,[r0,8]
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ldr sp,[r0,18]
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sub r1,r1,0
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mov r0,#1
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movne r0,r1
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jr lr
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.size _longjmp, .-_longjmp
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