Last change
on this file since 328 was 279, checked in by coas-nagasima, 7 years ago |
ファイルを追加、更新。
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Property svn:eol-style
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Property svn:keywords
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Id
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File size:
612 bytes
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1 | /* ---------------------------------------------- */
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2 | /* alloca86.S */
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3 |
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4 | .globl alloca
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5 |
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6 | alloca:
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7 | pop %edx
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8 | pop %eax
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9 | add $3,%eax
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10 | and $-4,%eax
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11 | jz p3
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12 |
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13 | #ifdef TCC_TARGET_PE
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14 | p1:
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15 | cmp $4096,%eax
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16 | jle p2
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17 | sub $4096,%esp
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18 | sub $4096,%eax
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19 | test %eax,(%esp)
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20 | jmp p1
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21 | p2:
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22 | #endif
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23 |
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24 | sub %eax,%esp
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25 | mov %esp,%eax
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26 | p3:
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27 | push %edx
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28 | push %edx
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29 | ret
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30 |
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31 | /* mark stack as nonexecutable */
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32 | #if defined __ELF__ && defined __linux__
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33 | .section .note.GNU-stack,"",@progbits
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34 | #endif
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35 | /* ---------------------------------------------- */
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