Commit | Line | Data |
---|---|---|
252b5132 RH |
1 | /* This is part of the shared library ld test. This file becomes part |
2 | of a shared library. */ | |
3 | ||
4 | /* This variable is supplied by the main program. */ | |
5 | #ifndef XCOFF_TEST | |
6 | extern int mainvar; | |
7 | #endif | |
8 | ||
9 | /* This variable is defined in the shared library, and overridden by | |
10 | the main program. */ | |
11 | #ifndef XCOFF_TEST | |
12 | int overriddenvar = -1; | |
13 | #endif | |
14 | ||
15 | /* This variable is defined in the shared library. */ | |
16 | int shlibvar1 = 3; | |
17 | ||
18 | /* This variable is defined by another object in the shared library. */ | |
19 | extern int shlibvar2; | |
20 | ||
21 | /* These functions return the values of the above variables as seen in | |
22 | the shared library. */ | |
23 | ||
24 | #ifndef XCOFF_TEST | |
25 | int | |
26 | shlib_mainvar () | |
27 | { | |
28 | return mainvar; | |
29 | } | |
30 | #endif | |
31 | ||
32 | #ifndef XCOFF_TEST | |
33 | int | |
34 | shlib_overriddenvar () | |
35 | { | |
36 | return overriddenvar; | |
37 | } | |
38 | #endif | |
39 | ||
40 | int | |
41 | shlib_shlibvar1 () | |
42 | { | |
43 | return shlibvar1; | |
44 | } | |
45 | ||
46 | int | |
47 | shlib_shlibvar2 () | |
48 | { | |
49 | return shlibvar2; | |
50 | } | |
51 | ||
52 | /* This function calls a function defined by another object in the | |
53 | shared library. */ | |
54 | ||
55 | extern int shlib_shlibcalled (); | |
56 | ||
57 | int | |
58 | shlib_shlibcall () | |
59 | { | |
60 | return shlib_shlibcalled (); | |
61 | } | |
62 | ||
63 | #ifndef XCOFF_TEST | |
64 | /* This function calls a function defined in this object in the shared | |
65 | library. The main program will override the called function. */ | |
66 | ||
2bdba6c9 | 67 | extern int shlib_overriddencall2 (); |
252b5132 RH |
68 | |
69 | int | |
70 | shlib_shlibcall2 () | |
71 | { | |
72 | return shlib_overriddencall2 (); | |
73 | } | |
252b5132 RH |
74 | #endif |
75 | ||
76 | /* This function calls a function defined by the main program. */ | |
77 | ||
78 | #ifndef XCOFF_TEST | |
79 | extern int main_called (); | |
80 | ||
81 | int | |
82 | shlib_maincall () | |
83 | { | |
84 | return main_called (); | |
85 | } | |
86 | #endif | |
87 | ||
88 | /* This function is passed a function pointer to shlib_mainvar. It | |
89 | confirms that the pointer compares equally. */ | |
90 | ||
91 | int | |
92 | shlib_checkfunptr1 (p) | |
93 | int (*p) (); | |
94 | { | |
95 | return p == shlib_shlibvar1; | |
96 | } | |
97 | ||
98 | /* This function is passed a function pointer to main_called. It | |
99 | confirms that the pointer compares equally. */ | |
100 | ||
101 | #ifndef XCOFF_TEST | |
102 | int | |
103 | shlib_checkfunptr2 (p) | |
104 | int (*p) (); | |
105 | { | |
106 | return p == main_called; | |
107 | } | |
108 | #endif | |
109 | ||
110 | /* This function returns a pointer to shlib_mainvar. */ | |
111 | ||
112 | int | |
113 | (*shlib_getfunptr1 ()) () | |
114 | { | |
115 | return shlib_shlibvar1; | |
116 | } | |
117 | ||
118 | /* This function returns a pointer to main_called. */ | |
119 | ||
120 | #ifndef XCOFF_TEST | |
121 | int | |
122 | (*shlib_getfunptr2 ()) () | |
123 | { | |
124 | return main_called; | |
125 | } | |
126 | #endif | |
127 | ||
128 | /* This function makes sure that constant data and local functions | |
129 | work. */ | |
130 | ||
131 | #ifndef __STDC__ | |
132 | #define const | |
133 | #endif | |
134 | ||
135 | static int i = 6; | |
136 | static const char *str = "Hello, world\n"; | |
137 | ||
138 | int | |
139 | shlib_check () | |
140 | { | |
141 | const char *s1, *s2; | |
142 | ||
143 | if (i != 6) | |
144 | return 0; | |
145 | ||
146 | /* To isolate the test, don't rely on any external functions, such | |
147 | as strcmp. */ | |
148 | s1 = "Hello, world\n"; | |
149 | s2 = str; | |
150 | while (*s1 != '\0') | |
151 | if (*s1++ != *s2++) | |
152 | return 0; | |
153 | if (*s2 != '\0') | |
154 | return 0; | |
155 | ||
156 | if (shlib_shlibvar1 () != 3) | |
157 | return 0; | |
158 | ||
159 | return 1; | |
160 | } |