Last change
on this file since 398 was 331, checked in by coas-nagasima, 6 years ago |
prototoolに関連するプロジェクトをnewlibからmuslを使うよう変更・更新
ntshellをnewlibの下位の実装から、muslのsyscallの実装に変更・更新
以下のOSSをアップデート
・mruby-1.3.0
・musl-1.1.18
・onigmo-6.1.3
・tcc-0.9.27
以下のOSSを追加
・openssl-1.1.0e
・curl-7.57.0
・zlib-1.2.11
以下のmrbgemsを追加
・iij/mruby-digest
・iij/mruby-env
・iij/mruby-errno
・iij/mruby-iijson
・iij/mruby-ipaddr
・iij/mruby-mock
・iij/mruby-require
・iij/mruby-tls-openssl
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Property svn:eol-style
set to
native
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Property svn:mime-type
set to
text/x-csrc
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File size:
1.3 KB
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Rev | Line | |
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[331] | 1 | /* Check some way in where code suppression caused various
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| 2 | miscompilations. */
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| 3 | extern int printf (const char *, ...);
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| 4 | typedef unsigned long size_t;
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| 5 |
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| 6 | size_t _brk_start, _brk_end;
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| 7 | void * extend_brk(size_t size, size_t align)
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| 8 | {
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| 9 | size_t mask = align - 1;
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| 10 | void *ret = 0;
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| 11 |
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| 12 | do {
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| 13 | if (__builtin_expect(!!(_brk_start == 0), 0))
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| 14 | do {
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| 15 | printf("wrong1\n");
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| 16 | } while (0);
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| 17 | } while (0);
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| 18 | _brk_end = (_brk_end + mask) & ~mask;
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| 19 | ret = (void *)_brk_end;
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| 20 | _brk_end += size;
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| 21 |
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| 22 | return ret;
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| 23 | }
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| 24 |
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| 25 | static void get_args (int a, int b)
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| 26 | {
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| 27 | if (a != 1)
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| 28 | printf("wrong2\n");
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| 29 | else
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| 30 | printf("okay\n");
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| 31 | }
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| 32 |
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| 33 | void bla(void)
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| 34 | {
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| 35 | int __ret = 42;
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| 36 | ({
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| 37 | if (__builtin_expect(!!(0), 0)) {
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| 38 | if (__builtin_expect(!!__ret, 0))
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| 39 | printf("wrong3\n");
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| 40 | int x = !!(__ret);
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| 41 | }
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| 42 | __ret;
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| 43 | });
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| 44 | get_args(!!__ret, sizeof(__ret));
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| 45 | }
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| 46 |
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| 47 | _Bool chk(unsigned long addr, unsigned long limit, unsigned long size)
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| 48 | {
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| 49 | _Bool ret;
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| 50 | /* This just needs to compile, no runtime test. (And it doesn't compile
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| 51 | only with certain internal checking added that's not committed). */
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| 52 | if (0)
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| 53 | ret = 0 != (!!(addr > limit - size));
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| 54 | }
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| 55 |
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| 56 | int main()
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| 57 | {
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| 58 | void *r;
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| 59 | _brk_start = 1024;
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| 60 | _brk_end = 1024;
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| 61 | r = extend_brk (4096, 16);
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| 62 | if (!r)
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| 63 | printf("wrong4\n");
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| 64 | else
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| 65 | printf("okay\n");
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| 66 | bla();
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| 67 | return 0;
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| 68 | }
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