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authorUlrich Drepper <drepper@redhat.com>2002-02-14 10:34:55 +0000
committerUlrich Drepper <drepper@redhat.com>2002-02-14 10:34:55 +0000
commitebda6173fc0fa6b91fa30f1ea83ddb89baec66b9 (patch)
tree73a802e1784ddd85c340d37f506dd1d186759e33 /elf/tst-tls8.c
parent425838aa4b78c3fa9d43d75d85ebdc15f96f52d7 (diff)
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Update.
	* elf/Makefile: Add rules to build and run tst-tls8.
	* elf/tst-tls8.c: New file.
	* elf/tst-tlsmod4.c: New file.
Diffstat (limited to 'elf/tst-tls8.c')
-rw-r--r--elf/tst-tls8.c174
1 files changed, 174 insertions, 0 deletions
diff --git a/elf/tst-tls8.c b/elf/tst-tls8.c
new file mode 100644
index 0000000000..971ee565cb
--- /dev/null
+++ b/elf/tst-tls8.c
@@ -0,0 +1,174 @@
+#include <dlfcn.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <link.h>
+#include <tls.h>
+
+
+#define TEST_FUNCTION do_test ()
+static int
+do_test (void)
+{
+#ifdef USE_TLS
+  static const char modname1[] = "tst-tlsmod3.so";
+  static const char modname2[] = "tst-tlsmod4.so";
+  int result = 0;
+  int (*fp1) (void);
+  int (*fp2) (int, int *);
+  void *h1;
+  void *h2;
+  int i;
+  int modid1 = -1;
+  int modid2 = -1;
+  int *bazp;
+
+  for (i = 0; i < 10; ++i)
+    {
+      h1 = dlopen (modname1, RTLD_LAZY);
+      if (h1 == NULL)
+	{
+	  printf ("cannot open '%s': %s\n", modname1, dlerror ());
+	  exit (1);
+	}
+
+      /* Dirty test code here: we peek into a private data structure.
+	 We make sure that the module gets assigned the same ID every
+	 time.  The value of the first round is used.  */
+      if (modid1 == -1)
+	modid1 = ((struct link_map *) h1)->l_tls_modid;
+      else if (((struct link_map *) h1)->l_tls_modid != modid1)
+	{
+	  printf ("round %d: modid now %d, initially %d\n",
+		  i, ((struct link_map *) h1)->l_tls_modid, modid1);
+	  result = 1;
+	}
+
+      fp1 = dlsym (h1, "in_dso2");
+      if (fp1 == NULL)
+	{
+	  printf ("cannot get symbol 'in_dso2' in %s\n", modname1);
+	  exit (1);
+	}
+
+      result |= fp1 ();
+
+
+
+      h2 = dlopen (modname2, RTLD_LAZY);
+      if (h2 == NULL)
+	{
+	  printf ("cannot open '%s': %s\n", modname2, dlerror ());
+	  exit (1);
+	}
+
+      /* Dirty test code here: we peek into a private data structure.
+	 We make sure that the module gets assigned the same ID every
+	 time.  The value of the first round is used.  */
+      if (modid2 == -1)
+	modid2 = ((struct link_map *) h1)->l_tls_modid;
+      else if (((struct link_map *) h1)->l_tls_modid != modid2)
+	{
+	  printf ("round %d: modid now %d, initially %d\n",
+		  i, ((struct link_map *) h1)->l_tls_modid, modid2);
+	  result = 1;
+	}
+
+      bazp = dlsym (h2, "baz");
+      if (bazp == NULL)
+	{
+	  printf ("cannot get symbol 'baz' in %s\n", modname2);
+	  exit (1);
+	}
+
+      *bazp = 42 + i;
+
+      fp2 = dlsym (h2, "in_dso");
+      if (fp2 == NULL)
+	{
+	  printf ("cannot get symbol 'in_dso' in %s\n", modname2);
+	  exit (1);
+	}
+
+      result |= fp2 (42 + i, bazp);
+
+      dlclose (h1);
+      dlclose (h2);
+
+
+      h1 = dlopen (modname1, RTLD_LAZY);
+      if (h1 == NULL)
+	{
+	  printf ("cannot open '%s': %s\n", modname1, dlerror ());
+	  exit (1);
+	}
+
+      /* Dirty test code here: we peek into a private data structure.
+	 We make sure that the module gets assigned the same ID every
+	 time.  The value of the first round is used.  */
+      if (((struct link_map *) h1)->l_tls_modid != modid1)
+	{
+	  printf ("round %d: modid now %d, initially %d\n",
+		  i, ((struct link_map *) h1)->l_tls_modid, modid1);
+	  result = 1;
+	}
+
+      fp1 = dlsym (h1, "in_dso2");
+      if (fp1 == NULL)
+	{
+	  printf ("cannot get symbol 'in_dso2' in %s\n", modname1);
+	  exit (1);
+	}
+
+      result |= fp1 ();
+
+
+
+      h2 = dlopen (modname2, RTLD_LAZY);
+      if (h2 == NULL)
+	{
+	  printf ("cannot open '%s': %s\n", modname2, dlerror ());
+	  exit (1);
+	}
+
+      /* Dirty test code here: we peek into a private data structure.
+	 We make sure that the module gets assigned the same ID every
+	 time.  The value of the first round is used.  */
+      if (((struct link_map *) h1)->l_tls_modid != modid2)
+	{
+	  printf ("round %d: modid now %d, initially %d\n",
+		  i, ((struct link_map *) h1)->l_tls_modid, modid2);
+	  result = 1;
+	}
+
+      bazp = dlsym (h2, "baz");
+      if (bazp == NULL)
+	{
+	  printf ("cannot get symbol 'baz' in %s\n", modname2);
+	  exit (1);
+	}
+
+      *bazp = 62 + i;
+
+      fp2 = dlsym (h2, "in_dso");
+      if (fp2 == NULL)
+	{
+	  printf ("cannot get symbol 'in_dso' in %s\n", modname2);
+	  exit (1);
+	}
+
+      result |= fp2 (62 + i, bazp);
+
+      /* This time the dlclose calls are in reverse order.  */
+      dlclose (h2);
+      dlclose (h1);
+    }
+
+  return result;
+#else
+  return 0;
+#endif
+}
+
+
+#include "../test-skeleton.c"