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@@ -2,38 +2,44 @@
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#include <stdlib.h>
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#include <stdio.h>
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#include <dlfcn.h>
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-
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-extern void _dlinfo();
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-
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-int main(int argc, char **argv) {
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- void *handle;
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- int (*myhowdy)(const char *s);
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- char *error;
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+#include <stdint.h>
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#ifdef __UCLIBC__
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- _dlinfo(); /* not supported by ld.so.2 */
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+extern void _dlinfo(void);
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#endif
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- handle = dlopen ("./libhowdy.so", RTLD_LAZY);
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+int main(int argc, char **argv)
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+{
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+ int ret = EXIT_SUCCESS;
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+ void *handle;
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+ void (*mydltest)(void *value1, void *value2);
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+ char *error;
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+ uint32_t *value1, *value2;
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+ handle = dlopen (LIBNAME, RTLD_LAZY);
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if (!handle) {
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- fputs (dlerror(), stderr);
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+ fprintf(stderr, "Could not open ./libtest.so: %s\n", dlerror());
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exit(1);
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}
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- myhowdy = dlsym(handle, "howdy");
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+ mydltest = dlsym(handle, "dltest");
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if ((error = dlerror()) != NULL) {
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- fputs(error, stderr);
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+ fprintf(stderr, "Could not locate symbol 'dltest': %s\n", error);
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exit(1);
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}
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- myhowdy("hello world!\n");
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-
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-#ifdef __UCLIBC__
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- _dlinfo(); /* not supported by ld.so.2 */
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-#endif
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+ mydltest(&value1, &value2);
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+ printf("dltest: __pthread_return_0=%p\n", value1);
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+ printf("dltest: pthread_self=%p\n", value2);
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+ if (value1 == value2) {
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+ ret = EXIT_FAILURE;
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+ printf("dltest: values should NOT be equal Weak values resolved incorrectly!\n");
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+ } else {
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+ printf("dltest: weak symbols resoved correctly.\n");
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+ }
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dlclose(handle);
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- return EXIT_SUCCESS;
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+ return ret;
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}
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+
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