1 // two_file_test_2_v1.cc -- a two file test case for gold, file 2 of 2
2
3 // Copyright (C) 2006-2014 Free Software Foundation, Inc.
4 // Written by Ian Lance Taylor <iant@google.com>.
5
6 // This file is part of gold.
7
8 // This program is free software; you can redistribute it and/or modify
9 // it under the terms of the GNU General Public License as published by
10 // the Free Software Foundation; either version 3 of the License, or
11 // (at your option) any later version.
12
13 // This program is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 // GNU General Public License for more details.
17
18 // You should have received a copy of the GNU General Public License
19 // along with this program; if not, write to the Free Software
20 // Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
21 // MA 02110-1301, USA.
22
23 // This is an alternate version of the source file two_file_test_2.cc,
24 // used to test incremental linking. We build a binary first using this
25 // source file, then do an incremental link with the primary version of
26 // the file.
27
28 // This tests references between files. This is file 2, and
29 // two_file_test_1.cc is file 1. See file 1 for details.
30
31 #include "two_file_test.h"
32
33 // 1 Code in file 1 calls code in file 2.
34
35 int
t1_2()36 t1_2()
37 {
38 return 0;
39 }
40
41 bool
t1a()42 t1a()
43 {
44 return t1_2() == 0;
45 }
46
47 // 2 Code in file 1 refers to global data in file 2.
48
49 int v2 = 1;
50
51 // 3 Code in file 1 referes to common symbol in file 2. This is
52 // initialized at runtime to 789.
53
54 int v3;
55
56 // 4 Code in file 1 refers to offset within global data in file 2.
57
58 char v4[] = "World, hello";
59
60 // 5 Code in file 1 refers to offset within common symbol in file 2.
61 // This is initialized at runtime to a copy of v4.
62
63 char v5[13];
64
65 // 6 Data in file 1 refers to global data in file 2. This reuses v2.
66
67 // 7 Data in file 1 refers to common symbol in file 2. This reuses v3.
68
69 // 8 Data in file 1 refers to offset within global data in file 2.
70 // This reuses v4.
71
72 // 9 Data in file 1 refers to offset within common symbol in file 2.
73 // This reuses v5.
74
75 // 10 Data in file 1 refers to function in file 2.
76
77 int
f10()78 f10()
79 {
80 return 0;
81 }
82
83 // 11 Pass function pointer from file 1 to file 2.
84
85 int
f11b(int (* pfn)())86 f11b(int (*pfn)())
87 {
88 return (*pfn)();
89 }
90
91 // 12 Compare address of function for equality in both files.
92
93 bool
f12()94 (*f12())()
95 {
96 return &t12;
97 }
98
99 // 13 Compare address of inline function for equality in both files.
100
101 void
f13()102 (*f13())()
103 {
104 return &f13i;
105 }
106
107 // 14 Compare string constants in file 1 and file 2.
108
109 const char*
f14()110 f14()
111 {
112 return TEST_STRING_CONSTANT;
113 }
114
115 // 15 Compare wide string constants in file 1 and file 2.
116
117 const wchar_t*
f15()118 f15()
119 {
120 return TEST_WIDE_STRING_CONSTANT;
121 }
122
123 // 17 File 1 checks array of string constants defined in file 2.
124
125 const char* t17data[T17_COUNT] =
126 {
127 "0", "1", "2", "3", "4"
128 };
129
130 // 18 File 1 checks string constants referenced directly in file 2.
131
132 const char*
f18(int i)133 f18(int i)
134 {
135 switch (i)
136 {
137 case 0:
138 return "0";
139 case 1:
140 return "1";
141 case 2:
142 return "2";
143 case 3:
144 return "3";
145 case 4:
146 return "4";
147 default:
148 return 0;
149 }
150 }
151