From 2a272e8265d3109faedcb4ee6b8b93f49c52b228 Mon Sep 17 00:00:00 2001
From: Eric Andersen <andersen@codepoet.org>
Date: Fri, 16 Aug 2002 08:02:17 +0000
Subject: Demonstrate that dlopen() RTLD_NOW is currently broken. -Erik
---
test/ldso/.cvsignore | 1 +
test/ldso/Makefile | 8 ++++++--
test/ldso/dltest2.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 57 insertions(+), 2 deletions(-)
create mode 100644 test/ldso/dltest2.c
(limited to 'test')
diff --git a/test/ldso/.cvsignore b/test/ldso/.cvsignore
index e144aa0db..d837b46a4 100644
--- a/test/ldso/.cvsignore
+++ b/test/ldso/.cvsignore
@@ -1,2 +1,3 @@
dltest
libhowdy.so
+dltest2
diff --git a/test/ldso/Makefile b/test/ldso/Makefile
index 57b4a1fa6..3d2a47ad9 100644
--- a/test/ldso/Makefile
+++ b/test/ldso/Makefile
@@ -20,7 +20,11 @@ TESTDIR=../
include $(TESTDIR)/Rules.mak
CFLAGS+=--uclibc-ctors
-all: dltest libhowdy.so run
+all: dltest2 dltest libhowdy.so run
+
+dltest2: dltest.c
+ $(CC) $(CFLAGS) dltest2.c -o dltest2 -ldl
+ ./dltest2
dltest.o: dltest.c
$(CC) $(CFLAGS) -c dltest.c -o dltest.o
@@ -39,4 +43,4 @@ run: dltest libhowdy.so
./dltest
clean:
- rm -f *.o *.so dltest core libhowdy.so
+ rm -f *.o *.so dltest2 dltest core libhowdy.so
diff --git a/test/ldso/dltest2.c b/test/ldso/dltest2.c
new file mode 100644
index 000000000..066c37202
--- /dev/null
+++ b/test/ldso/dltest2.c
@@ -0,0 +1,50 @@
+#include <fcntl.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <dlfcn.h>
+#include "thread_db.h"
+
+extern void _dlinfo();
+
+int main(int argc, char **argv) {
+ void *handle;
+ td_err_e (*td_init_p) (void);
+
+ fprintf(stderr, "Attempting to dlopen() libthread_db.so with RTLD_NOW\n");
+ handle = dlopen ("libthread_db.so", RTLD_NOW);
+ if (!handle) {
+ fputs (dlerror(), stderr);
+ exit(1);
+ }
+
+ td_init_p = dlsym (handle, "td_init");
+ if (td_init_p == NULL) {
+ fprintf(stderr, "yipe! td_init() failed!\n");
+ return EXIT_FAILURE;
+ }
+#if 0 //def __UCLIBC__
+ _dlinfo(); /* not supported by ld.so.2 */
+#endif
+ dlclose(handle);
+
+
+ fprintf(stderr, "Attempting to dlopen() libthread_db.so with RTLD_LAZY\n");
+ handle = dlopen ("libthread_db.so", RTLD_LAZY);
+ if (!handle) {
+ fputs (dlerror(), stderr);
+ exit(1);
+ }
+
+ td_init_p = dlsym (handle, "td_init");
+ if (td_init_p == NULL) {
+ fprintf(stderr, "yipe! td_init() failed!");
+ return EXIT_FAILURE;
+ }
+#if 0 //def __UCLIBC__
+ _dlinfo(); /* not supported by ld.so.2 */
+#endif
+ dlclose(handle);
+
+ fprintf(stderr, "Everything worked as expected.\n");
+ return EXIT_SUCCESS;
+}
--
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