Last change
on this file since 440 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
|
-
Property svn:eol-style
set to
native
-
Property svn:mime-type
set to
text/x-csrc
|
File size:
1.3 KB
|
Line | |
---|
1 | /* Check some way in where code suppression caused various
|
---|
2 | miscompilations. */
|
---|
3 | extern int printf (const char *, ...);
|
---|
4 | typedef unsigned long size_t;
|
---|
5 |
|
---|
6 | size_t _brk_start, _brk_end;
|
---|
7 | void * extend_brk(size_t size, size_t align)
|
---|
8 | {
|
---|
9 | size_t mask = align - 1;
|
---|
10 | void *ret = 0;
|
---|
11 |
|
---|
12 | do {
|
---|
13 | if (__builtin_expect(!!(_brk_start == 0), 0))
|
---|
14 | do {
|
---|
15 | printf("wrong1\n");
|
---|
16 | } while (0);
|
---|
17 | } while (0);
|
---|
18 | _brk_end = (_brk_end + mask) & ~mask;
|
---|
19 | ret = (void *)_brk_end;
|
---|
20 | _brk_end += size;
|
---|
21 |
|
---|
22 | return ret;
|
---|
23 | }
|
---|
24 |
|
---|
25 | static void get_args (int a, int b)
|
---|
26 | {
|
---|
27 | if (a != 1)
|
---|
28 | printf("wrong2\n");
|
---|
29 | else
|
---|
30 | printf("okay\n");
|
---|
31 | }
|
---|
32 |
|
---|
33 | void bla(void)
|
---|
34 | {
|
---|
35 | int __ret = 42;
|
---|
36 | ({
|
---|
37 | if (__builtin_expect(!!(0), 0)) {
|
---|
38 | if (__builtin_expect(!!__ret, 0))
|
---|
39 | printf("wrong3\n");
|
---|
40 | int x = !!(__ret);
|
---|
41 | }
|
---|
42 | __ret;
|
---|
43 | });
|
---|
44 | get_args(!!__ret, sizeof(__ret));
|
---|
45 | }
|
---|
46 |
|
---|
47 | _Bool chk(unsigned long addr, unsigned long limit, unsigned long size)
|
---|
48 | {
|
---|
49 | _Bool ret;
|
---|
50 | /* This just needs to compile, no runtime test. (And it doesn't compile
|
---|
51 | only with certain internal checking added that's not committed). */
|
---|
52 | if (0)
|
---|
53 | ret = 0 != (!!(addr > limit - size));
|
---|
54 | }
|
---|
55 |
|
---|
56 | int main()
|
---|
57 | {
|
---|
58 | void *r;
|
---|
59 | _brk_start = 1024;
|
---|
60 | _brk_end = 1024;
|
---|
61 | r = extend_brk (4096, 16);
|
---|
62 | if (!r)
|
---|
63 | printf("wrong4\n");
|
---|
64 | else
|
---|
65 | printf("okay\n");
|
---|
66 | bla();
|
---|
67 | return 0;
|
---|
68 | }
|
---|
Note:
See
TracBrowser
for help on using the repository browser.