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
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
/* See LICENSE file for copyright and license details. */
#define assert(EXPR)\
do {\
if (EXPR)\
break;\
stderr_real = 1;\
fprintf(stderr, "Failed at %s:%i: %s\n", __FILE__, __LINE__, #EXPR);\
exit_real = 1;\
exit(1);\
} while (0)
#define subassert(EXPR)\
do {\
if (EXPR)\
break;\
stderr_real = 1;\
fprintf(stderr, "Failed at %s:%i: %s\n", __FILE__, __LINE__, #EXPR);\
return 0;\
} while (0)
#define assert_unreached()\
assert(*&(volatile int *){0})
#define assert_exit(EXPR)\
do {\
volatile int old_stderr_ok__ = stderr_ok;\
exit_ok = 1;\
stderr_ok = 1;\
stderr_n = 0;\
if (setjmp(exit_jmp)) {\
exit_ok = 0;\
stderr_ok = old_stderr_ok__;\
break;\
}\
EXPR;\
assert_unreached();\
} while (0)
#define assert_exit_ptr(EXPR)\
do {\
void *volatile ptr__;\
assert_exit((void)(ptr__ = (EXPR)));\
} while (0)
#define assert_stderr(...)\
do {\
char buf__[1024];\
int len__;\
len__ = sprintf(buf__, __VA_ARGS__);\
assert(len__ >= 0);\
assert((size_t)len__ == stderr_n);\
assert(!memcmp(buf__, (char **)(void *)(&stderr_buf), stderr_n)); \
} while (0);
struct allocinfo {
void *real_beginning;
size_t real_size;
size_t size;
size_t extent;
size_t alignment;
size_t zeroed;
size_t refcount;
};
extern char *argv0;
extern volatile size_t alloc_fail_in;
extern volatile int exit_real;
extern volatile int exit_ok;
extern volatile int exit_status;
extern jmp_buf exit_jmp;
extern volatile char stderr_buf[8 << 10];
extern volatile size_t stderr_n;
extern volatile int stderr_real;
extern volatile int stderr_ok;
size_t get_pagesize(void);
size_t round_up(size_t);
int have_custom_malloc(void); /* return 0 if run under valgrind(1) */
struct allocinfo *get_allocinfo(void *);
int test_vfprintf(FILE *restrict stream, const char *restrict format, va_list ap);
static inline int
test_fprintf(FILE *restrict stream, const char *restrict format, ...)
{
va_list ap;
va_start(ap, format);
return test_vfprintf(stream, format, ap);
va_end(ap);
}
static size_t
gcd(size_t u, size_t v)
{
size_t t;
int shift = 0;
/* Not needed because u>0, v>0: if (!(u | v)) return u + v; */
while (!((u | v) & 1)) u >>= 1, v >>= 1, shift++;
while (!(u & 1)) u >>= 1;
do {
while (!(v & 1)) v >>= 1;
if (u > v) t = u, u = v, v = t;
} while (v -= u);
return u << shift;
}
static inline size_t
lcm(size_t u, size_t v)
{
return u / gcd(u, v) * v;
}
#define ASSERT_ALIGNMENT(INFO, ALIGN)\
do {\
assert((INFO)->alignment <= lcm(cacheline, ALIGN));\
assert(!((INFO)->alignment % (ALIGN)));\
if ((cacheline - (ALIGN) % cacheline) % cacheline + (INFO)->size % (ALIGN) > cacheline)\
assert(!((INFO)->alignment % cacheline));\
} while (0)
#define DEFINE_PAGESIZE size_t pagesize = (size_t)sysconf(_SC_PAGESIZE)
#ifdef _SC_LEVEL1_DCACHE_LINESIZ
#define DEFINE_CACHELINE size_t cacheline = (size_t)sysconf(_SC_LEVEL1_DCACHE_LINESIZE)
#else
#define DEFINE_CACHELINE size_t cacheline = 64
#endif
|
