1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
|
//===-- tsan_platform_test.cc ---------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file is a part of ThreadSanitizer (TSan), a race detector.
//
//===----------------------------------------------------------------------===//
#include "sanitizer_common/sanitizer_libc.h"
#include "tsan_platform.h"
#include "gtest/gtest.h"
namespace __tsan {
static void TestThreadInfo(bool main) {
ScopedInRtl in_rtl;
uptr stk_addr = 0;
uptr stk_size = 0;
uptr tls_addr = 0;
uptr tls_size = 0;
GetThreadStackAndTls(main, &stk_addr, &stk_size, &tls_addr, &tls_size);
// Printf("stk=%zx-%zx(%zu)\n", stk_addr, stk_addr + stk_size, stk_size);
// Printf("tls=%zx-%zx(%zu)\n", tls_addr, tls_addr + tls_size, tls_size);
int stack_var;
EXPECT_NE(stk_addr, (uptr)0);
EXPECT_NE(stk_size, (uptr)0);
EXPECT_GT((uptr)&stack_var, stk_addr);
EXPECT_LT((uptr)&stack_var, stk_addr + stk_size);
static __thread int thread_var;
EXPECT_NE(tls_addr, (uptr)0);
EXPECT_NE(tls_size, (uptr)0);
EXPECT_GT((uptr)&thread_var, tls_addr);
EXPECT_LT((uptr)&thread_var, tls_addr + tls_size);
// Ensure that tls and stack do not intersect.
uptr tls_end = tls_addr + tls_size;
EXPECT_TRUE(tls_addr < stk_addr || tls_addr >= stk_addr + stk_size);
EXPECT_TRUE(tls_end < stk_addr || tls_end >= stk_addr + stk_size);
EXPECT_TRUE((tls_addr < stk_addr) == (tls_end < stk_addr));
}
static void *WorkerThread(void *arg) {
TestThreadInfo(false);
return 0;
}
TEST(Platform, ThreadInfoMain) {
TestThreadInfo(true);
}
TEST(Platform, ThreadInfoWorker) {
pthread_t t;
pthread_create(&t, 0, WorkerThread, 0);
pthread_join(t, 0);
}
TEST(Platform, FileOps) {
const char *str1 = "qwerty";
uptr len1 = internal_strlen(str1);
const char *str2 = "zxcv";
uptr len2 = internal_strlen(str2);
fd_t fd = internal_open("./tsan_test.tmp", true);
EXPECT_NE(fd, kInvalidFd);
EXPECT_EQ(len1, internal_write(fd, str1, len1));
EXPECT_EQ(len2, internal_write(fd, str2, len2));
internal_close(fd);
fd = internal_open("./tsan_test.tmp", false);
EXPECT_NE(fd, kInvalidFd);
EXPECT_EQ(len1 + len2, internal_filesize(fd));
char buf[64] = {};
EXPECT_EQ(len1, internal_read(fd, buf, len1));
EXPECT_EQ(0, internal_memcmp(buf, str1, len1));
EXPECT_EQ((char)0, buf[len1 + 1]);
real_memset(buf, 0, len1);
EXPECT_EQ(len2, internal_read(fd, buf, len2));
EXPECT_EQ(0, internal_memcmp(buf, str2, len2));
internal_close(fd);
}
} // namespace __tsan
|
