[rtems commit] testsuites/libtest/dl11: Add DL test for TLS

Joel Sherrill joel at rtems.org
Fri Jan 20 14:11:25 UTC 2023


Module:    rtems
Branch:    master
Commit:    81085ca9f45ed2407b959d2bb4cb9bcc0aa5c9de
Changeset: http://git.rtems.org/rtems/commit/?id=81085ca9f45ed2407b959d2bb4cb9bcc0aa5c9de

Author:    Kinsey Moore <kinsey.moore at oarcorp.com>
Date:      Thu Jan 12 16:50:35 2023 -0600

testsuites/libtest/dl11: Add DL test for TLS

This adds a test verifying basic TLS functionality in loadable modules
now that at least one architecture supports it.

---

 spec/build/testsuites/libtests/dl11.yml |  38 +++++++++
 spec/build/testsuites/libtests/grp.yml  |   2 +
 testsuites/libtests/dl11/dl-load.c      | 142 ++++++++++++++++++++++++++++++++
 testsuites/libtests/dl11/dl-load.h      |  33 ++++++++
 testsuites/libtests/dl11/dl11-o1.c      |  42 ++++++++++
 testsuites/libtests/dl11/dl11.doc       |  44 ++++++++++
 testsuites/libtests/dl11/dl11.scn       |   6 ++
 testsuites/libtests/dl11/init.c         | 103 +++++++++++++++++++++++
 8 files changed, 410 insertions(+)

diff --git a/spec/build/testsuites/libtests/dl11.yml b/spec/build/testsuites/libtests/dl11.yml
new file mode 100644
index 0000000000..6eaaeaeecc
--- /dev/null
+++ b/spec/build/testsuites/libtests/dl11.yml
@@ -0,0 +1,38 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+build-type: script
+cflags: []
+copyrights:
+- Copyright (C) 2023 On-Line Applications Research (OAR)
+cppflags: []
+do-build: |
+  path = "testsuites/libtests/dl11/"
+  objs = []
+  objs.append(self.cc(bld, bic, path + "dl11-o1.c"))
+  tar = path + "dl11.tar"
+  self.tar(bld, objs, [path], tar)
+  tar_c, tar_h = self.bin2c(bld, tar)
+  objs = []
+  objs.append(self.cc(bld, bic, tar_c))
+  objs.append(self.cc(bld, bic, path + "init.c", deps=[tar_h], cppflags=bld.env.TEST_DL11_CPPFLAGS))
+  objs.append(self.cc(bld, bic, path + "dl-load.c"))
+  dl11_pre = path + "dl11.pre"
+  self.link_cc(bld, bic, objs, dl11_pre)
+  dl11_sym_o = path + "dl11-sym.o"
+  objs.append(dl11_sym_o)
+  self.rtems_syms(bld, dl11_pre, dl11_sym_o)
+  self.link_cc(bld, bic, objs, "testsuites/libtests/dl11.exe")
+do-configure: null
+enabled-by:
+- and:
+  - not: TEST_DL11_EXCLUDE
+  - BUILD_LIBDL
+includes:
+- testsuites/libtests/dl11
+ldflags: []
+links: []
+prepare-build: null
+prepare-configure: null
+stlib: []
+type: build
+use-after: []
+use-before: []
diff --git a/spec/build/testsuites/libtests/grp.yml b/spec/build/testsuites/libtests/grp.yml
index 9d91df75a0..8f2cadb890 100644
--- a/spec/build/testsuites/libtests/grp.yml
+++ b/spec/build/testsuites/libtests/grp.yml
@@ -110,6 +110,8 @@ links:
   uid: dl09
 - role: build-dependency
   uid: dl10
+- role: build-dependency
+  uid: dl11
 - role: build-dependency
   uid: dumpbuf01
 - role: build-dependency
diff --git a/testsuites/libtests/dl11/dl-load.c b/testsuites/libtests/dl11/dl-load.c
new file mode 100644
index 0000000000..aee1517269
--- /dev/null
+++ b/testsuites/libtests/dl11/dl-load.c
@@ -0,0 +1,142 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/*
+ * Copyright (C) 2023 On-Line Applications Research Corporation (OAR).
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <errno.h>
+#include <stdio.h>
+
+#include <dlfcn.h>
+
+#include "dl-load.h"
+
+#include <rtems/rtl/rtl-shell.h>
+#include <rtems/rtl/rtl-trace.h>
+
+#define TEST_TRACE 0
+#if TEST_TRACE
+ #define DEBUG_TRACE (RTEMS_RTL_TRACE_DETAIL | \
+                      RTEMS_RTL_TRACE_WARNING | \
+                      RTEMS_RTL_TRACE_LOAD | \
+                      RTEMS_RTL_TRACE_UNLOAD | \
+                      RTEMS_RTL_TRACE_SYMBOL | \
+                      RTEMS_RTL_TRACE_RELOC | \
+                      RTEMS_RTL_TRACE_ALLOCATOR | \
+                      RTEMS_RTL_TRACE_UNRESOLVED | \
+                      RTEMS_RTL_TRACE_ARCHIVES | \
+                      RTEMS_RTL_TRACE_DEPENDENCY)
+ #define DL_DEBUG_TRACE DEBUG_TRACE /* RTEMS_RTL_TRACE_ALL */
+ #define DL_RTL_CMDS    1
+#else
+ #define DL_DEBUG_TRACE 0
+ #define DL_RTL_CMDS    0
+#endif
+
+static void dl_load_dump (void)
+{
+#if DL_RTL_CMDS
+  char* list[] = { "rtl", "list", NULL };
+  char* sym[] = { "rtl", "sym", NULL };
+  printf ("RTL List:\n");
+  rtems_rtl_shell_command (2, list);
+  printf ("RTL Sym:\n");
+  rtems_rtl_shell_command (2, sym);
+#endif
+}
+
+typedef int (*int_call_t)(void);
+typedef int* (*ptr_call_t)(void);
+
+int dl_load_test(void)
+{
+  void*  handle;
+  int_call_t int_call;
+  ptr_call_t ptr_call;
+  int    int_call_ret;
+  int*   ptr_call_ret;
+  int    unresolved;
+  char*  message = "loaded";
+
+#if DL_DEBUG_TRACE
+  rtems_rtl_trace_set_mask (DL_DEBUG_TRACE);
+#endif
+
+  printf("load: /dl11-o1.o\n");
+
+  handle = dlopen ("/dl11-o1.o", RTLD_NOW | RTLD_GLOBAL);
+  if (!handle)
+  {
+    printf("dlopen failed: %s\n", dlerror());
+    return 1;
+  }
+
+  if (dlinfo (handle, RTLD_DI_UNRESOLVED, &unresolved) < 0)
+    message = "dlinfo error checking unresolved status";
+  else if (unresolved)
+    message = "has unresolved externals";
+
+  printf ("handle: %p %s\n", handle, message);
+
+  dl_load_dump ();
+
+  ptr_call = dlsym (handle, "get_errno_ptr");
+  if (ptr_call == NULL)
+  {
+    printf("dlsym failed: symbol get_errno_ptr not found\n");
+    return 1;
+  }
+
+  int_call = dlsym (handle, "get_errno_val");
+  if (int_call == NULL)
+  {
+    printf("dlsym failed: symbol get_errno_val not found\n");
+    return 1;
+  }
+
+  ptr_call_ret = ptr_call ();
+  if (ptr_call_ret != &errno)
+  {
+    printf("dlsym ptr_call failed: ret value bad\n");
+    return 1;
+  }
+
+  errno = 12345;
+  int_call_ret = int_call ();
+  if (int_call_ret != 12345)
+  {
+    printf("dlsym int_call failed: ret value bad\n");
+    return 1;
+  }
+
+  if (dlclose (handle) < 0)
+  {
+    printf("dlclose failed: %s\n", dlerror());
+    return 1;
+  }
+
+  printf ("handle: %p closed\n", handle);
+
+  return 0;
+}
diff --git a/testsuites/libtests/dl11/dl-load.h b/testsuites/libtests/dl11/dl-load.h
new file mode 100644
index 0000000000..142b195626
--- /dev/null
+++ b/testsuites/libtests/dl11/dl-load.h
@@ -0,0 +1,33 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/*
+ * Copyright (c) 2014 Chris Johns <chrisj at rtems.org>.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#if !defined(_DL_LOAD_H_)
+#define _DL_LOAD_H_
+
+int dl_load_test(void);
+
+#endif
diff --git a/testsuites/libtests/dl11/dl11-o1.c b/testsuites/libtests/dl11/dl11-o1.c
new file mode 100644
index 0000000000..21aa9bfc43
--- /dev/null
+++ b/testsuites/libtests/dl11/dl11-o1.c
@@ -0,0 +1,42 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/*
+ * Copyright (C) 2023 On-Line Applications Research Corporation (OAR).
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <rtems/test-info.h>
+#include <errno.h>
+
+int get_errno_val (void);
+int *get_errno_ptr (void);
+
+int get_errno_val (void)
+{
+  return errno;
+}
+
+int *get_errno_ptr (void)
+{
+  return &errno;
+}
diff --git a/testsuites/libtests/dl11/dl11.doc b/testsuites/libtests/dl11/dl11.doc
new file mode 100644
index 0000000000..0fffe1cfd3
--- /dev/null
+++ b/testsuites/libtests/dl11/dl11.doc
@@ -0,0 +1,44 @@
+# SPDX-License-Identifier: BSD-2-Clause
+
+# Copyright (C) 2023 On-Line Applications Research Corporation (OAR).
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+
+This file describes the directives and concepts tested by this test set.
+
+test set name: dl11
+
+directives:
+
+  dlopen
+  dlinfo
+  dlsym
+  dlclose
+
+concepts:
+
++ Load a single ELF object file.
++ Check there are no unreolved externals.
++ Locate the get_errno_val and get_errno_ptr symbols.
++ Call the functions that use TLS variables and verify relocated symbols.
++ Unload the ELF file.
diff --git a/testsuites/libtests/dl11/dl11.scn b/testsuites/libtests/dl11/dl11.scn
new file mode 100644
index 0000000000..43048c91d2
--- /dev/null
+++ b/testsuites/libtests/dl11/dl11.scn
@@ -0,0 +1,6 @@
+*** BEGIN OF TEST libdl (RTL) 11 ***
+load: /dl11-o1.o
+handle: 0x40118e60 loaded
+handle: 0x40118e60 closed
+
+*** END OF TEST libdl (RTL) 11 ***
diff --git a/testsuites/libtests/dl11/init.c b/testsuites/libtests/dl11/init.c
new file mode 100644
index 0000000000..91f529b055
--- /dev/null
+++ b/testsuites/libtests/dl11/init.c
@@ -0,0 +1,103 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/*
+ * Copyright (c) 2014 Chris Johns <chrisj at rtems.org>.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "tmacros.h"
+
+#include <errno.h>
+#include <string.h>
+#include <stdint.h>
+#include <unistd.h>
+
+#include <rtems/rtl/rtl.h>
+#include <rtems/imfs.h>
+
+#include "dl-load.h"
+
+const char rtems_test_name[] = "libdl (RTL) 11";
+
+/* forward declarations to avoid warnings */
+static rtems_task Init(rtems_task_argument argument);
+
+#include "dl11-tar.h"
+
+#define TARFILE_START dl11_tar
+#define TARFILE_SIZE  dl11_tar_size
+
+static int test(void)
+{
+  int ret;
+  ret = dl_load_test();
+  if (ret)
+    rtems_test_exit(ret);
+  return 0;
+}
+
+static void Init(rtems_task_argument arg)
+{
+  int te;
+
+  TEST_BEGIN();
+
+  te = rtems_tarfs_load("/", (void *)TARFILE_START, (size_t)TARFILE_SIZE);
+  if (te != 0)
+  {
+    printf("untar failed: %d\n", te);
+    rtems_test_exit(1);
+    exit (1);
+  }
+
+  test();
+
+  TEST_END();
+
+  rtems_test_exit(0);
+}
+
+#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
+#define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER
+
+#define CONFIGURE_MAXIMUM_FILE_DESCRIPTORS 4
+
+#define CONFIGURE_MAXIMUM_TASKS 1
+
+#define CONFIGURE_MAXIMUM_SEMAPHORES 1
+
+#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
+
+#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
+
+#define CONFIGURE_INIT_TASK_STACK_SIZE (CONFIGURE_MINIMUM_TASK_STACK_SIZE + (4U * 1024U))
+
+#define CONFIGURE_INIT_TASK_ATTRIBUTES RTEMS_FLOATING_POINT
+
+#define CONFIGURE_INIT
+
+#include <rtems/confdefs.h>



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