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
|
/*****************************************************************************/
/* test 'nodata_wanted' data output suppression */
#if defined test_static_data_error
void foo() {
if (1) {
static short w = (int)&foo; /* initializer not computable */
}
}
#elif defined test_static_nodata_error
void foo() {
if (0) {
static short w = (int)&foo; /* initializer not computable */
}
}
#elif defined test_global_data_error
void foo();
static short w = (int)&foo; /* initializer not computable */
#elif defined test_local_data_noerror
void foo() {
short w = &foo; /* 2 cast warnings */
}
#elif defined test_data_suppression
#include <stdio.h>
#define ASMLABELS(s) \
__asm__(".global d"#s",t"#s"\n.data\nd"#s":\n.text\nt"#s":\n")
#define PROG \
static void *p = (void*)&main;\
static char cc[] = "static string";\
static double d = 8.0;\
static struct __attribute__((packed)) {\
unsigned x : 12;\
unsigned char y : 7;\
unsigned z : 28, a: 4, b: 5;\
} s = { 0x333,0x44,0x555555,6,7 };\
printf(" static data: %d - %.1f - %.1f - %s - %s\n",\
sizeof 8.0, 8.0, d, __FUNCTION__, cc);\
printf(" static bitfields: %x %x %x %x %x\n", s.x, s.y, s.z, s.a, s.b);
int main()
{
extern char ds1[],ts1[];
extern char ds2[],ts2[];
extern char de1[],te1[];
extern char de2[],te2[];
printf("suppression off\n");
if (1) {
ASMLABELS(s1);
PROG
ASMLABELS(e1);
}
printf(" data length is %s\n", de1 - ds1 ? "not 0":"0");
printf(" text length is %s\n", te1 - ts1 ? "not 0":"0");
printf("suppression on\n");
if (0) {
ASMLABELS(s2);
PROG
ASMLABELS(e2);
}
printf(" data length is %x\n", de2 - ds2);
printf(" text length is %X\n", te2 - ts2);
return 0;
}
#endif
|
