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
|
/* This testcase is part of GDB, the GNU debugger.
Copyright 2008-2019 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
struct s
{
int a;
int b;
};
union u
{
int a;
float b;
};
enum e
{
ONE = 1,
TWO = 2
};
typedef struct s *PTR;
enum e evalue = TWO;
struct str
{
int length;
/* Variable length. */
char text[1];
};
#ifdef __cplusplus
struct Base {
virtual int x() { return 5; }
};
struct Derived : public Base {
};
Base *base = new Derived ();
Derived derived;
Base &base_ref = derived;
void ptr_ref(int*& rptr_int)
{
return; /* break to inspect pointer by reference. */
}
#endif
void func1 ()
{
printf ("void function called\n");
}
int func2 (int arg1, int arg2)
{
return arg1 + arg2;
}
char **save_argv;
int
main (int argc, char *argv[])
{
char *cp;
struct s s;
union u u;
PTR x = &s;
char st[17] = "divide et impera";
char nullst[17] = "divide\0et\0impera";
void (*fp1) (void) = &func1;
int (*fp2) (int, int) = &func2;
const char *embed = "embedded x\201\202\203\204";
int a[3] = {1,2,3};
int *p = a;
int i = 2;
int *ptr_i = &i;
struct str *xstr;
/* Prevent gcc from optimizing argv[] out. */
/* We also check for a NULL argv in case we are dealing with a target
executing in a freestanding environment, therefore there are no
guarantees about argc or argv. */
if (argv != NULL)
cp = argv[0];
s.a = 3;
s.b = 5;
u.a = 7;
(*fp1) ();
(*fp2) (10,20);
#ifdef __cplusplus
ptr_ref(ptr_i);
#endif
#define STR_LENGTH 100
xstr = (struct str *) malloc (sizeof (*xstr) + STR_LENGTH);
xstr->length = STR_LENGTH;
memset (xstr->text, 'x', STR_LENGTH);
#undef STR_LENGTH
save_argv = argv; /* break to inspect struct and union */
return 0;
}
|
GitWeb