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-rw-r--r--ld/testsuite/ld-shared/sh1.c160
1 files changed, 160 insertions, 0 deletions
diff --git a/ld/testsuite/ld-shared/sh1.c b/ld/testsuite/ld-shared/sh1.c
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+++ b/ld/testsuite/ld-shared/sh1.c
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+/* This is part of the shared library ld test. This file becomes part
+ of a shared library. */
+
+/* This variable is supplied by the main program. */
+#ifndef XCOFF_TEST
+extern int mainvar;
+#endif
+
+/* This variable is defined in the shared library, and overridden by
+ the main program. */
+#ifndef XCOFF_TEST
+int overriddenvar = -1;
+#endif
+
+/* This variable is defined in the shared library. */
+int shlibvar1 = 3;
+
+/* This variable is defined by another object in the shared library. */
+extern int shlibvar2;
+
+/* These functions return the values of the above variables as seen in
+ the shared library. */
+
+#ifndef XCOFF_TEST
+int
+shlib_mainvar ()
+{
+ return mainvar;
+}
+#endif
+
+#ifndef XCOFF_TEST
+int
+shlib_overriddenvar ()
+{
+ return overriddenvar;
+}
+#endif
+
+int
+shlib_shlibvar1 ()
+{
+ return shlibvar1;
+}
+
+int
+shlib_shlibvar2 ()
+{
+ return shlibvar2;
+}
+
+/* This function calls a function defined by another object in the
+ shared library. */
+
+extern int shlib_shlibcalled ();
+
+int
+shlib_shlibcall ()
+{
+ return shlib_shlibcalled ();
+}
+
+#ifndef XCOFF_TEST
+/* This function calls a function defined in this object in the shared
+ library. The main program will override the called function. */
+
+extern int shlib_overriddencall2 ();
+
+int
+shlib_shlibcall2 ()
+{
+ return shlib_overriddencall2 ();
+}
+#endif
+
+/* This function calls a function defined by the main program. */
+
+#ifndef XCOFF_TEST
+extern int main_called ();
+
+int
+shlib_maincall ()
+{
+ return main_called ();
+}
+#endif
+
+/* This function is passed a function pointer to shlib_mainvar. It
+ confirms that the pointer compares equally. */
+
+int
+shlib_checkfunptr1 (p)
+ int (*p) ();
+{
+ return p == shlib_shlibvar1;
+}
+
+/* This function is passed a function pointer to main_called. It
+ confirms that the pointer compares equally. */
+
+#ifndef XCOFF_TEST
+int
+shlib_checkfunptr2 (p)
+ int (*p) ();
+{
+ return p == main_called;
+}
+#endif
+
+/* This function returns a pointer to shlib_mainvar. */
+
+int
+(*shlib_getfunptr1 ()) ()
+{
+ return shlib_shlibvar1;
+}
+
+/* This function returns a pointer to main_called. */
+
+#ifndef XCOFF_TEST
+int
+(*shlib_getfunptr2 ()) ()
+{
+ return main_called;
+}
+#endif
+
+/* This function makes sure that constant data and local functions
+ work. */
+
+#ifndef __STDC__
+#define const
+#endif
+
+static int i = 6;
+static const char *str = "Hello, world\n";
+
+int
+shlib_check ()
+{
+ const char *s1, *s2;
+
+ if (i != 6)
+ return 0;
+
+ /* To isolate the test, don't rely on any external functions, such
+ as strcmp. */
+ s1 = "Hello, world\n";
+ s2 = str;
+ while (*s1 != '\0')
+ if (*s1++ != *s2++)
+ return 0;
+ if (*s2 != '\0')
+ return 0;
+
+ if (shlib_shlibvar1 () != 3)
+ return 0;
+
+ return 1;
+}