1 // dwp_test_2.cc -- a test case for dwp
2 
3 // Copyright (C) 2012-2016 Free Software Foundation, Inc.
4 // Written by Cary Coutant <ccoutant@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 // Adapted from two_file_test_2.cc.
24 
25 #include "dwp_test.h"
26 
27 // 1  Code in file 1 calls code in file 2.
28 
29 int
t1_2()30 C1::t1_2()
31 {
32   return 123;
33 }
34 
35 bool
t1a()36 C1::t1a()
37 {
38   return t1_2() == 123;
39 }
40 
41 // 2  Code in file 1 refers to global data in file 2.
42 
43 int v2 = 456;
44 
45 // 3 Code in file 1 referes to common symbol in file 2.  This is
46 // initialized at runtime to 789.
47 
48 int v3;
49 
50 // 4  Code in file 1 refers to offset within global data in file 2.
51 
52 char v4[] = "Hello, world";
53 
54 // 5 Code in file 1 refers to offset within common symbol in file 2.
55 // This is initialized at runtime to a copy of v4.
56 
57 char v5[13];
58 
59 // 6  Data in file 1 refers to global data in file 2.  This reuses v2.
60 
61 // 7  Data in file 1 refers to common symbol in file 2.  This reuses v3.
62 
63 // 8 Data in file 1 refers to offset within global data in file 2.
64 // This reuses v4.
65 
66 // 9 Data in file 1 refers to offset within common symbol in file 2.
67 // This reuses v5.
68 
69 // 10 Data in file 1 refers to function in file 2.
70 
71 int
f10()72 f10()
73 {
74   return 135;
75 }
76 
77 // 11 Pass function pointer from file 1 to file 2.
78 
79 int
f11b(int (* pfn)())80 f11b(int (*pfn)())
81 {
82   return (*pfn)();
83 }
84 
85 // 12 Compare address of function for equality in both files.
86 
87 bool
f4()88 (*C3::f4())()
89 {
90   return &t12;
91 }
92 
93 // 13 Compare address of inline function for equality in both files.
94 
95 void
f13()96 (*f13())()
97 {
98   return &f13i;
99 }
100 
101 // 14 Compare string constants in file 1 and file 2.
102 
103 const char*
f14()104 f14()
105 {
106   return TEST_STRING_CONSTANT;
107 }
108 
109 // 15 Compare wide string constants in file 1 and file 2.
110 
111 const wchar_t*
f15()112 f15()
113 {
114   return TEST_WIDE_STRING_CONSTANT;
115 }
116 
117 // 17 File 1 checks array of string constants defined in file 2.
118 
119 const char* t17data[T17_COUNT] =
120 {
121   "a", "b", "c", "d", "e"
122 };
123 
124 // 18 File 1 checks string constants referenced directly in file 2.
125 
126 const char*
f18(int i)127 f18(int i)
128 {
129   switch (i)
130     {
131     case 0:
132       return "a";
133     case 1:
134       return "b";
135     case 2:
136       return "c";
137     case 3:
138       return "d";
139     case 4:
140       return "e";
141     default:
142       return 0;
143     }
144 }
145