Last change
on this file since 339 was 337, checked in by coas-nagasima, 6 years ago |
ASP3版ECNLを追加
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Property svn:eol-style
set to
native
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Property svn:mime-type
set to
text/x-csrc;charset=UTF-8
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File size:
700 bytes
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1 | #define _GNU_SOURCE
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2 | #include <unistd.h>
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3 | #include <sys/mman.h>
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4 | #include <errno.h>
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5 | #include <stdint.h>
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6 | #include <stdarg.h>
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7 | #include "syscall.h"
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8 | #include "libc.h"
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9 |
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10 | #ifndef __c2__
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11 | static void dummy(void) { }
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12 | weak_alias(dummy, __vm_wait);
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13 | #else
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14 | extern void __vm_wait(void);
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15 | #endif
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16 |
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17 | void *__mremap(void *old_addr, size_t old_len, size_t new_len, int flags, ...)
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18 | {
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19 | va_list ap;
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20 | void *new_addr = 0;
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21 |
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22 | if (new_len >= PTRDIFF_MAX) {
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23 | errno = ENOMEM;
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24 | return MAP_FAILED;
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25 | }
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26 |
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27 | if (flags & MREMAP_FIXED) {
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28 | __vm_wait();
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29 | va_start(ap, flags);
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30 | new_addr = va_arg(ap, void *);
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31 | va_end(ap);
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32 | }
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33 |
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34 | return (void *)syscall(SYS_mremap, old_addr, old_len, new_len, flags, new_addr);
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35 | }
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36 |
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37 | weak_alias(__mremap, mremap);
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