Last change
on this file since 403 was 400, checked in by coas-nagasima, 5 years ago |
ファイルヘッダーの更新
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Property svn:eol-style
set to
native
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Property svn:mime-type
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text/x-csrc;charset=UTF-8
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File size:
802 bytes
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1 | #include <stdlib.h>
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2 | #include <stdint.h>
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3 | #include "libc.h"
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4 |
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5 | static void dummy()
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6 | {
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7 | }
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8 |
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9 | /* atexit.c and __stdio_exit.c override these. the latter is linked
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10 | * as a consequence of linking either __toread.c or __towrite.c. */
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11 | weak_alias(dummy, __funcs_on_exit);
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12 | weak_alias(dummy, __stdio_exit);
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13 | weak_alias(dummy, _fini);
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14 |
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15 | __attribute__((__weak__, __visibility__("hidden")))
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16 | extern void (*const __fini_array_start)(void), (*const __fini_array_end)(void);
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17 |
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18 | static void libc_exit_fini(void)
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19 | {
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20 | uintptr_t a = (uintptr_t)&__fini_array_end;
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21 | for (; a>(uintptr_t)&__fini_array_start; a-=sizeof(void(*)()))
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22 | (*(void (**)())(a-sizeof(void(*)())))();
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23 | _fini();
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24 | }
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25 |
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26 | weak_alias(libc_exit_fini, __libc_exit_fini);
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27 |
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28 | _Noreturn void exit(int code)
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29 | {
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30 | __funcs_on_exit();
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31 | __libc_exit_fini();
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32 | __stdio_exit();
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33 | _Exit(code);
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34 | }
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