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
|
/* Copyright (C) 2010, 2011 Free Software Foundation, Inc.
This file is part of GDB.
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/>. */
/* The original program corresponding to implptr.S.
This came from Jakub's gcc-patches email implementing
DW_OP_GNU_implicit_pointer.
Note that it is not ever compiled, implptr.S is used instead.
However, it is used to extract breakpoint line numbers. */
struct S
{
int *x, y;
};
int u[6];
static inline void
add (struct S *a, struct S *b, int c)
{
*a->x += *b->x;
a->y += b->y;
u[c + 0]++;
a = (struct S *) 0;
u[c + 1]++;
a = b;
u[c + 2]++;
}
int
foo (int i)
{
int j = i;
struct S p[2] = { {&i, i * 2}, {&j, j * 2} };
add (&p[0], &p[1], 0);
p[0].x = &j;
p[1].x = &i;
add (&p[0], &p[1], 3);
return i + j; /* foo breakpoint */
}
typedef int *intp;
typedef intp *intpp;
typedef intpp *intppp;
int __attribute__ ((noinline, used, noclone))
bar (int i)
{
intp j = &i;
intpp k = &j;
intppp l = &k;
i++; /* bar breakpoint */
return i;
}
int main ()
{
return bar(5) + foo (23);
}
|
