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authorUlrich Drepper <drepper@redhat.com>1999-01-20 20:01:17 +0000
committerUlrich Drepper <drepper@redhat.com>1999-01-20 20:01:17 +0000
commit1e2623127469890c7912d12a8ba5bc70d068eb18 (patch)
treef3e9b75f2cd829b6819c2c7e825c6c97366697ad /elf
parentad11b5a745d0aeee42ead08f6cadfe4dcc84ad82 (diff)
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Update.
* elf/Makefile (tests): Add loadfail. Add rules to build failobj.so. * elf/loadfail.c: New file. Test of failing to load object with RTLD_GLOBAL set. * elf/failobj.c: New file. Object which will fail to load.
Diffstat (limited to 'elf')
-rw-r--r--elf/Makefile10
-rw-r--r--elf/failobj.c6
-rw-r--r--elf/loadfail.c30
3 files changed, 44 insertions, 2 deletions
diff --git a/elf/Makefile b/elf/Makefile
index f79a312..05bc446 100644
--- a/elf/Makefile
+++ b/elf/Makefile
@@ -75,7 +75,7 @@ others += ldconfig
install-rootsbin += ldconfig
endif
-tests = loadtest restest1 preloadtest
+tests = loadtest restest1 preloadtest loadfail
include ../Rules
@@ -203,7 +203,7 @@ $(objpfx)sprof: $(objpfx)libdl.a
endif
modules-names = testobj1 testobj2 testobj3 testobj4 testobj5 testobj6 \
- testobj1_1
+ testobj1_1 failobj
test-modules = $(addprefix $(objpfx),$(addsuffix .so,$(modules-names)))
generated += $(test-modules)
@@ -216,6 +216,7 @@ LDLIBS-testobj3.so = -ldl
LDLIBS-testobj4.so = -ldl
LDLIBS-testobj5.so = -ldl
LDLIBS-testobj6.so = -ldl
+LDLIBS-failobj.so = $(objpfx)testobj6.so
$(test-modules): $(objpfx)%.so: %.c
$(build-module)
@@ -233,6 +234,11 @@ $(objpfx)restest1.out: $(test-modules)
$(objpfx)preloadtest.out: $(test-modules)
LDFLAGS-preloadtest = -rdynamic $(objpfx)testobj6.so
preloadtest-ENV = LD_PRELOAD=testobj1.so:testobj2.so:testobj3.so:testobj4.so:testobj5.so
+
+$(objpfx)loadfail: $(objpfx)libdl.so
+LDFLAGS-loadfail = -rdynamic
+
+$(objpfx)loadfile.out: $(objpfx)failobj.so
# muwahaha
diff --git a/elf/failobj.c b/elf/failobj.c
new file mode 100644
index 0000000..16228c7
--- /dev/null
+++ b/elf/failobj.c
@@ -0,0 +1,6 @@
+/* This function is supposed to not exist. */
+int
+foo (int a)
+{
+ return xyzzy (a);
+}
diff --git a/elf/loadfail.c b/elf/loadfail.c
new file mode 100644
index 0000000..60deb77
--- /dev/null
+++ b/elf/loadfail.c
@@ -0,0 +1,30 @@
+#include <dlfcn.h>
+#include <error.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+int
+main (void)
+{
+ void *h;
+
+ if (dlopen ("testobj1.so", RTLD_GLOBAL | RTLD_NOW) == NULL
+ || dlopen ("testobj1.so", RTLD_GLOBAL | RTLD_NOW) == NULL
+ || dlopen ("testobj2.so", RTLD_GLOBAL | RTLD_NOW) == NULL
+ || dlopen ("testobj3.so", RTLD_GLOBAL | RTLD_NOW) == NULL
+ || dlopen ("testobj4.so", RTLD_GLOBAL | RTLD_NOW) == NULL
+ || dlopen ("testobj5.so", RTLD_GLOBAL | RTLD_NOW) == NULL)
+ error (EXIT_FAILURE, 0, "failed to load shared object: %s", dlerror ());
+
+ h = dlopen ("failobj.so", RTLD_GLOBAL | RTLD_NOW);
+
+ printf ("h = %p, %s\n", h, h == NULL ? "ok" : "fail");
+
+ return h != NULL;
+}
+
+int
+foo (int a)
+{
+ return 10;
+}