blob: a7674b2eec7bb37f49eed0405faa09bb878e5fe3 (
plain)
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
|
/* { dg-skip-if "" { powerpc*-*-aix* } } */
/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
#include <stdlib.h>
#include "../../gcc.dg/analyzer/analyzer-decls.h"
typedef unsigned __INT32_TYPE__ u32;
void
test_1 (void)
{
char buf[16];
__analyzer_dump_capacity (buf); /* { dg-warning "capacity: '\\(sizetype\\)16'" } */
}
void
test_2 (void)
{
char ch;
__analyzer_dump_capacity (&ch); /* { dg-warning "capacity: '\\(sizetype\\)1'" } */
}
struct s3 { char buf[100]; };
void
test_3 (void)
{
struct s3 s;
__analyzer_dump_capacity (&s); /* { dg-warning "capacity: '\\(sizetype\\)100'" } */
}
/* Capacity refers to the base region, not any offset within it. */
void
test_4 (void)
{
char buf[1024];
__analyzer_dump_capacity (buf + 100); /* { dg-warning "capacity: '\\(sizetype\\)1024'" } */
}
void
test_5 (void *p)
{
__analyzer_dump_capacity (p); /* { dg-warning "capacity: 'UNKNOWN\\(sizetype\\)'" } */
}
void
test_malloc (void)
{
void *p = malloc (1024);
__analyzer_dump_capacity (p); /* { dg-warning "capacity: '\\(size_t\\)1024'" } */
free (p);
}
void
test_alloca (size_t sz)
{
void *p = __builtin_alloca (sz);
__analyzer_dump_capacity (p); /* { dg-warning "capacity: 'INIT_VAL\\(sz_\[^\n\r\]*\\)'" } */
}
void
test_vla (size_t sz)
{
char buf[sz];
__analyzer_dump_capacity (buf); /* { dg-warning "capacity: 'INIT_VAL\\(sz_\[^\n\r\]*\\)'" } */
}
static void * __attribute__((noinline))
called_by_test_interproc_malloc (size_t a)
{
return malloc (a);
}
void *
test_interproc_malloc (size_t sz)
{
void *p = called_by_test_interproc_malloc (sz);
__analyzer_dump_capacity (p); /* { dg-warning "capacity: 'INIT_VAL\\(sz_\[^\n\r\]*\\)'" } */
return p;
}
struct s
{
u32 f1;
char arr[];
};
static struct s * __attribute__((noinline))
alloc_s (size_t num)
{
struct s *p = (struct s *) malloc (sizeof(struct s) + num);
return p;
}
struct s *
test_trailing_array (void)
{
struct s *p = alloc_s (5);
__analyzer_dump_capacity (p); /* { dg-warning "capacity: '\\(\[^\n\r\]*\\)9'" } */
return p;
}
void
test_unknown_arr (int p[])
{
__analyzer_dump_capacity (p); /* { dg-warning "capacity: 'UNKNOWN\\(sizetype\\)'" } */
}
|
