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authorUlrich Drepper <drepper@redhat.com>2005-03-18 10:54:53 +0000
committerUlrich Drepper <drepper@redhat.com>2005-03-18 10:54:53 +0000
commit193af754dc157708224817fb8ff8914f2fc5e6e1 (patch)
treedf6917c0f8e9c11e18697fcc79937712538cb3a3
parent61995d3ed957937f013807529db63ddf29815053 (diff)
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Test cases for correct unloading.
-rw-r--r--elf/unload4.c48
-rw-r--r--elf/unload4mod1.c10
-rw-r--r--elf/unload4mod2.c8
-rw-r--r--elf/unload4mod3.c16
-rw-r--r--elf/unload4mod4.c16
-rw-r--r--elf/unload5.c42
6 files changed, 140 insertions, 0 deletions
diff --git a/elf/unload4.c b/elf/unload4.c
new file mode 100644
index 0000000..6e171a2
--- /dev/null
+++ b/elf/unload4.c
@@ -0,0 +1,48 @@
+#include <dlfcn.h>
+#include <stdio.h>
+#include <malloc.h>
+
+int
+main (void)
+{
+#ifdef M_PERTURB
+ mallopt (M_PERTURB, 0xaa);
+#endif
+
+ void *h;
+ int (*fn) (int);
+ h = dlopen ("unload4mod1.so", RTLD_LAZY);
+ if (h == NULL)
+ {
+ puts ("1st dlopen failed");
+ return 1;
+ }
+ fn = dlsym (h, "foo");
+ if (fn == NULL)
+ {
+ puts ("dlsym failed");
+ return 1;
+ }
+ int n = fn (10);
+ if (n != 28)
+ {
+ printf ("foo (10) returned %d != 28\n", n);
+ return 1;
+ }
+ dlclose (h);
+ h = dlopen ("unload4mod3.so", RTLD_LAZY);
+ fn = dlsym (h, "mod3fn2");
+ if (fn == NULL)
+ {
+ puts ("second dlsym failed");
+ return 1;
+ }
+ n = fn (10);
+ if (n != 22)
+ {
+ printf ("mod3fn2 (10) returned %d != 22\n", n);
+ return 1;
+ }
+ dlclose (h);
+ return 0;
+}
diff --git a/elf/unload4mod1.c b/elf/unload4mod1.c
new file mode 100644
index 0000000..38c5b01
--- /dev/null
+++ b/elf/unload4mod1.c
@@ -0,0 +1,10 @@
+#include <stdio.h>
+
+extern int bar (int);
+
+int
+foo (int x)
+{
+ puts ("in foo");
+ return bar (x / 2) + 2;
+}
diff --git a/elf/unload4mod2.c b/elf/unload4mod2.c
new file mode 100644
index 0000000..497ef5d
--- /dev/null
+++ b/elf/unload4mod2.c
@@ -0,0 +1,8 @@
+#include <stdio.h>
+
+int
+baz (int x)
+{
+ puts ("in baz");
+ return x * 4;
+}
diff --git a/elf/unload4mod3.c b/elf/unload4mod3.c
new file mode 100644
index 0000000..4b280bc
--- /dev/null
+++ b/elf/unload4mod3.c
@@ -0,0 +1,16 @@
+#include <stdio.h>
+
+int
+__attribute__((noinline))
+mod3fn1 (int x)
+{
+ puts ("in mod3fn1");
+ return x + 6;
+}
+
+int
+mod3fn2 (int x)
+{
+ puts ("in mod3fn2");
+ return mod3fn1 (x / 2) * 2;
+}
diff --git a/elf/unload4mod4.c b/elf/unload4mod4.c
new file mode 100644
index 0000000..ba5a144
--- /dev/null
+++ b/elf/unload4mod4.c
@@ -0,0 +1,16 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int
+__attribute__((noinline))
+baz (int x)
+{
+ abort ();
+}
+
+int
+bar (int x)
+{
+ puts ("in bar");
+ return baz (x + 1) + 2;
+}
diff --git a/elf/unload5.c b/elf/unload5.c
new file mode 100644
index 0000000..0555052
--- /dev/null
+++ b/elf/unload5.c
@@ -0,0 +1,42 @@
+#include <dlfcn.h>
+#include <stdio.h>
+
+int
+main (void)
+{
+ void *g = dlopen ("unload3mod1.so", RTLD_GLOBAL | RTLD_NOW);
+ void *h = dlopen ("unload3mod2.so", RTLD_GLOBAL | RTLD_NOW);
+ if (g == NULL || h == NULL)
+ {
+ printf ("dlopen unload3mod{1,2}.so failed: %p %p\n", g, h);
+ return 1;
+ }
+ dlopen ("unload3mod4.so", RTLD_GLOBAL | RTLD_NOW);
+ dlclose (h);
+ dlclose (g);
+
+ g = dlopen ("unload3mod3.so", RTLD_GLOBAL | RTLD_NOW);
+ h = dlopen ("unload3mod4.so", RTLD_GLOBAL | RTLD_NOW);
+ if (g == NULL || h == NULL)
+ {
+ printf ("dlopen unload3mod{3,4}.so failed: %p %p\n", g, h);
+ return 1;
+ }
+
+ int (*fn) (int);
+ fn = dlsym (h, "bar");
+ if (fn == NULL)
+ {
+ puts ("dlsym failed");
+ return 1;
+ }
+
+ int val = fn (16);
+ if (val != 24)
+ {
+ printf ("bar returned %d != 24\n", val);
+ return 1;
+ }
+
+ return 0;
+}