blob: baf3f37a9e1d205f63f957f53bd6a37700a6ad29 (
plain) (
blame)
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
|
/*first line intentionally left blank.*/
/*********************************************************************************************************************/
int crappyint;
/*********************************************************************************************************************/
/*inclusion directives*/
#include "testFuncs3.h"
#include <complex.h>
#include <string.h>
/*********************************************************************************************************************/
/*globals*/
int intarray3[3][2] = MACRO1;
int intarray4[3][2] = MACRO2;
int answer = ANSWER;
float floatbitaccess;
/*********************************************************************************************************************/
void tddfunc1 (void)
{
double complex z1 = 10.0 + 10.0 * I;
double complex z2 = 1.0 - 4.0 * I;
float complex z3;
int complex iz1;
long int complex iz2;
unsigned int complex iz3;
signed int complex iz4;
signed int n1;
unsigned int n2;
z3 = z2;
z2 = z3;
iz1 = iz2;
iz2 = iz1;
iz3 = iz4;
iz2 = iz3;
n1 = n2;
}
void tddfunc2(void)
{
static int staticint1;
unsigned short int port = 0x5aU;
unsigned short int result_8;
//uint16_t result_16;
//uint16_t mode;
result_8 = (~port) >> 4;
}
void tddfunc3(void)
{
int a = 1;
READ_TIME_32();
READ_TIME_33();
READ_TIME_34();
}
int* tddfunc4(void)
{
int localauto;
return (&localauto);
}
void tddfunc5(void)
{
int arrint[4];
arrint[0] = 052;
arrint[1] = 067;
arrint[2] = 100;
arrint[3] = 786;
}
/*12.12 tdd*/
void tddfunc6(void)
{
float floatbitaccess;
int* pointertofloat;
int apartoffloat;
/*@DEVI-you cannot get away with this since c90 and c99 both specify that operands to & need to both be of integral types.*/
/*embedded compilers might not necessarily be ISO-C-complete so apparently this might be actually viable in some cases but
if the clang parser won't let this through, i can't analyze it so we can't check for this.*/
#if 0
apartoffloat = floatbitaccess & 0x000000FF;
#endif
/*this results in a bticast castexpr which we are already tagging,clang does too, so im not overly concerned with this one
though its fairly east to implement.*/
pointertofloat = &floatbitaccess;
/*we could literally just tag all unions having float members as possible violations.*/
union aunion
{
float member1;
union member2
{
unsigned char member3;
unsigned char member4;
unsigned char member5;
unsigned char member6;
} member22;
} aunionproto;
aunionproto.member1 = floatbitaccess;
apartoffloat = aunionproto.member22.member5 & 0x000000FF;
}
int externfunc(int arg)
{
return arg;
}
void testfunc7(void)
{
unsigned char chararroct[7U];
chararroct[0U] = '\100';
chararroct[1U] = '\109';
chararroct[2U] = 010;
chararroct[3U] = 055;
chararroct[4U] = 125;
chararroct[5U] = '\x12';
}
/*********************************************************************************************************************/
/*last line intnetionally left blank.*/
|
