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
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
|
// two_file_test_2_v1.cc -- a two file test case for gold, file 2 of 2
// Copyright (C) 2006-2015 Free Software Foundation, Inc.
// Written by Ian Lance Taylor <iant@google.com>.
// This file is part of gold.
// 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, write to the Free Software
// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
// MA 02110-1301, USA.
// This is an alternate version of the source file two_file_test_2.cc,
// used to test incremental linking. We build a binary first using this
// source file, then do an incremental link with the primary version of
// the file.
// This tests references between files. This is file 2, and
// two_file_test_1.cc is file 1. See file 1 for details.
#include "two_file_test.h"
// 1 Code in file 1 calls code in file 2.
int
t1_2()
{
return 0;
}
bool
t1a()
{
return t1_2() == 0;
}
// 2 Code in file 1 refers to global data in file 2.
int v2 = 1;
// 3 Code in file 1 referes to common symbol in file 2. This is
// initialized at runtime to 789.
int v3;
// 4 Code in file 1 refers to offset within global data in file 2.
char v4[] = "World, hello";
// 5 Code in file 1 refers to offset within common symbol in file 2.
// This is initialized at runtime to a copy of v4.
char v5[13];
// 6 Data in file 1 refers to global data in file 2. This reuses v2.
// 7 Data in file 1 refers to common symbol in file 2. This reuses v3.
// 8 Data in file 1 refers to offset within global data in file 2.
// This reuses v4.
// 9 Data in file 1 refers to offset within common symbol in file 2.
// This reuses v5.
// 10 Data in file 1 refers to function in file 2.
int
f10()
{
return 0;
}
// 11 Pass function pointer from file 1 to file 2.
int
f11b(int (*pfn)())
{
return (*pfn)();
}
// 12 Compare address of function for equality in both files.
bool
(*f12())()
{
return &t12;
}
// 13 Compare address of inline function for equality in both files.
void
(*f13())()
{
return &f13i;
}
// 14 Compare string constants in file 1 and file 2.
const char*
f14()
{
return TEST_STRING_CONSTANT;
}
// 15 Compare wide string constants in file 1 and file 2.
const wchar_t*
f15()
{
return TEST_WIDE_STRING_CONSTANT;
}
// 17 File 1 checks array of string constants defined in file 2.
const char* t17data[T17_COUNT] =
{
"0", "1", "2", "3", "4"
};
// 18 File 1 checks string constants referenced directly in file 2.
const char*
f18(int i)
{
switch (i)
{
case 0:
return "0";
case 1:
return "1";
case 2:
return "2";
case 3:
return "3";
case 4:
return "4";
default:
return 0;
}
}
|