| 1 | /* setjmp and longjmp |
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| 2 | |
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| 3 | Copyright (c) 2011, Adapteva, Inc. |
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| 4 | All rights reserved. |
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| 5 | |
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| 6 | Redistribution and use in source and binary forms, with or without |
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| 7 | modification, are permitted provided that the following conditions are met: |
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| 8 | * Redistributions of source code must retain the above copyright notice, |
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| 9 | this list of conditions and the following disclaimer. |
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| 10 | * Redistributions in binary form must reproduce the above copyright |
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| 11 | notice, this list of conditions and the following disclaimer in the |
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| 12 | documentation and/or other materials provided with the distribution. |
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| 13 | * Neither the name of Adapteva nor the names of its contributors may be |
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| 14 | used to endorse or promote products derived from this software without |
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| 15 | specific prior written permission. |
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| 16 | |
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| 17 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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| 18 | AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 19 | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 20 | ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
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| 21 | LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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| 22 | CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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| 23 | SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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| 24 | INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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| 25 | CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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| 26 | ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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| 27 | POSSIBILITY OF SUCH DAMAGE. */ |
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| 28 | |
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| 29 | .file "setjmp.S" |
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| 30 | .section .text |
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| 31 | .align 4 |
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| 32 | .global _setjmp |
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| 33 | .type _setjmp, %function |
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| 34 | _setjmp: |
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| 35 | strd lr,[r0] |
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| 36 | strd r4,[r0,1] |
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| 37 | strd r6,[r0,2] |
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| 38 | strd r8,[r0,3] |
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| 39 | strd r10,[r0,4] |
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| 40 | strd r32,[r0,5] |
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| 41 | strd r34,[r0,6] |
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| 42 | strd r36,[r0,7] |
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| 43 | strd r38,[r0,8] |
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| 44 | str sp,[r0,18] |
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| 45 | mov r0,#0 |
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| 46 | rts |
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| 47 | .size _setjmp, .-_setjmp |
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| 48 | |
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| 49 | .global _longjmp |
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| 50 | _longjmp: |
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| 51 | ldrd lr,[r0] ; return address / r15 |
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| 52 | ldrd r4,[r0,1] |
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| 53 | ldrd r6,[r0,2] |
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| 54 | ldrd r8,[r0,3] |
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| 55 | ldrd r10,[r0,4] |
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| 56 | ldrd r32,[r0,5] |
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| 57 | ldrd r34,[r0,6] |
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| 58 | ldrd r36,[r0,7] |
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| 59 | ldrd r38,[r0,8] |
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| 60 | ldr sp,[r0,18] |
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| 61 | sub r1,r1,0 |
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| 62 | mov r0,#1 |
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| 63 | movne r0,r1 |
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| 64 | jr lr |
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| 65 | .size _longjmp, .-_longjmp |
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