Commit | Line | Data |
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8acc9f48 | 1 | /* Copyright (C) 2010-2013 Free Software Foundation, Inc. |
afd74c5f TT |
2 | |
3 | This file is part of GDB. | |
4 | ||
5 | This program is free software; you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License as published by | |
7 | the Free Software Foundation; either version 3 of the License, or | |
8 | (at your option) any later version. | |
9 | ||
10 | This program is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
16 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
17 | ||
18 | /* The original program corresponding to pieces.S. | |
19 | This came from https://bugzilla.redhat.com/show_bug.cgi?id=589467 | |
20 | Note that it is not ever compiled, pieces.S is used instead. | |
21 | However, it is used to extract breakpoint line numbers. */ | |
22 | ||
23 | struct A { int i; int j; }; | |
d3b1e874 | 24 | struct B { int i : 12; int j : 12; int : 4; }; |
cb826367 | 25 | struct C { int i; int j; int q; }; |
afd74c5f TT |
26 | |
27 | __attribute__((noinline)) void | |
28 | bar (int x) | |
29 | { | |
30 | asm volatile ("" : : "r" (x) : "memory"); | |
31 | } | |
32 | ||
33 | __attribute__((noinline)) int | |
34 | f1 (int k) | |
35 | { | |
36 | struct A a = { 4, k + 6 }; | |
37 | asm ("" : "+r" (a.i)); | |
38 | a.j++; | |
39 | bar (a.i); /* { dg-final { gdb-test 20 "a.i" "4" } } */ | |
40 | bar (a.j); /* { dg-final { gdb-test 20 "a.j" "14" } } */ | |
41 | return a.i + a.j; /* f1 breakpoint */ | |
42 | } | |
43 | ||
44 | __attribute__((noinline)) int | |
45 | f2 (int k) | |
46 | { | |
47 | int a[2] = { 4, k + 6 }; | |
48 | asm ("" : "+r" (a[0])); | |
49 | a[1]++; | |
50 | bar (a[0]); /* { dg-final { gdb-test 31 "a\[0\]" "4" } } */ | |
51 | bar (a[1]); /* { dg-final { gdb-test 31 "a\[1\]" "14" } } */ | |
52 | return a[0] + a[1]; /* f2 breakpoint */ | |
53 | } | |
54 | ||
55 | __attribute__((noinline)) int | |
56 | f3 (int k) | |
57 | { | |
58 | struct B a = { 4, k + 6 }; | |
59 | asm ("" : "+r" (a.i)); | |
60 | a.j++; | |
61 | bar (a.i); /* { dg-final { gdb-test 42 "a.i" "4" } } */ | |
62 | bar (a.j); /* { dg-final { gdb-test 42 "a.j" "14" } } */ | |
63 | return a.i + a.j; /* f3 breakpoint */ | |
64 | } | |
65 | ||
66 | __attribute__((noinline)) int | |
67 | f4 (int k) | |
68 | { | |
69 | int a[2] = { k, k }; | |
70 | asm ("" : "+r" (a[0])); | |
71 | a[1]++; | |
72 | bar (a[0]); | |
73 | bar (a[1]); | |
74 | return a[0] + a[1]; /* f4 breakpoint */ | |
75 | } | |
76 | ||
77 | __attribute__((noinline)) int | |
78 | f5 (int k) | |
79 | { | |
80 | struct A a = { k, k }; | |
81 | asm ("" : "+r" (a.i)); | |
82 | a.j++; | |
83 | bar (a.i); | |
84 | bar (a.j); | |
85 | return a.i + a.j; /* f5 breakpoint */ | |
86 | } | |
87 | ||
cb826367 TT |
88 | __attribute__((noinline)) int |
89 | f6 (int k) | |
90 | { | |
91 | int z = 23; | |
d3b1e874 | 92 | struct C a = { k, k, z }; |
cb826367 TT |
93 | asm ("" : "+r" (a.i)); |
94 | a.j++; | |
95 | bar (a.i); | |
96 | bar (a.j); | |
97 | return a.i + a.j; /* f6 breakpoint */ | |
98 | } | |
99 | ||
afd74c5f TT |
100 | int |
101 | main (void) | |
102 | { | |
103 | int k; | |
104 | asm ("" : "=r" (k) : "0" (7)); | |
105 | f1 (k); | |
106 | f2 (k); | |
107 | f3 (k); | |
108 | f4 (k); | |
109 | f5 (k); | |
cb826367 | 110 | f6 (k); |
afd74c5f TT |
111 | return 0; |
112 | } |