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:
809 bytes
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1 | /* ---------------------------------------------- */
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2 | /* alloca86-bt.S */
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3 |
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4 | .globl __bound_alloca
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5 |
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6 | __bound_alloca:
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7 | pop %edx
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8 | pop %eax
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9 | mov %eax, %ecx
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10 | add $3,%eax
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11 | and $-4,%eax
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12 | jz p6
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13 |
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14 | #ifdef TCC_TARGET_PE
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15 | p4:
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16 | cmp $4096,%eax
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17 | jle p5
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18 | sub $4096,%esp
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19 | sub $4096,%eax
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20 | test %eax,(%esp)
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21 | jmp p4
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22 |
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23 | p5:
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24 | #endif
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25 |
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26 | sub %eax,%esp
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27 | mov %esp,%eax
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28 |
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29 | push %edx
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30 | push %eax
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31 | push %ecx
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32 | push %eax
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33 | call __bound_new_region
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34 | add $8, %esp
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35 | pop %eax
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36 | pop %edx
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37 |
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38 | p6:
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39 | push %edx
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40 | push %edx
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41 | ret
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42 |
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43 | /* mark stack as nonexecutable */
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44 | #if defined __ELF__ && defined __linux__
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45 | .section .note.GNU-stack,"",@progbits
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46 | #endif
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47 | /* ---------------------------------------------- */
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