diff options
Diffstat (limited to '')
| -rw-r--r-- | testsuites/libtests/dl11/dl-load.c | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/testsuites/libtests/dl11/dl-load.c b/testsuites/libtests/dl11/dl-load.c new file mode 100644 index 0000000000..b09128acdf --- /dev/null +++ b/testsuites/libtests/dl11/dl-load.c @@ -0,0 +1,207 @@ +/* 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 "tmacros.h" +#include <pthread.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 SHOW_GLOBAL_SYMS 1 + #if SHOW_GLOBAL_SYMS + #define TRACE_GLOBAL_SYMBOL RTEMS_RTL_TRACE_GLOBAL_SYM + #else + #define TRACE_GLOBAL_SYMBOL 0 + #endif + #define DEBUG_TRACE (RTEMS_RTL_TRACE_DETAIL | \ + RTEMS_RTL_TRACE_WARNING | \ + RTEMS_RTL_TRACE_LOAD | \ + RTEMS_RTL_TRACE_UNLOAD | \ + TRACE_GLOBAL_SYMBOL | \ + 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); + +void* get_errno_ptr(void); +int get_errno(void); + +int_call_t int_call; +ptr_call_t ptr_call; +static int perform_test(void) +{ + int int_call_ret; + int* ptr_call_ret; + ptr_call_ret = ptr_call (); + if (ptr_call_ret != get_errno_ptr()) + { + printf("dlsym ptr_call failed: ret value bad\n"); + return 1; + } + + errno = 12345; + int_call_ret = int_call (); + if (int_call_ret != get_errno()) + { + printf("dlsym int_call failed: ret value bad\n"); + return 1; + } + errno = 0; + + return 0; +} + +static void *secondary_thread(void *arg) +{ + printf("Running test on secondary thread\n"); + if (perform_test()) { + printf("Test failed on secondary task\n"); + return (void *) 1; + } + + return NULL; +} + +static void start_secondary(void) +{ + /* Run the test on a secondary thread */ + pthread_t threadId; + int status; + void *ret; + status = pthread_create( &threadId, NULL, secondary_thread, NULL ); + rtems_test_assert( !status ); + + /* Wait on thread to exit */ + status = pthread_join(threadId, &ret); + rtems_test_assert( !status ); + rtems_test_assert( ret == NULL ); +} + +int dl_load_test(void) +{ + void* handle; + 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; + } + + /* Run the test on the init thread */ + printf("Running test on init task\n"); + if (perform_test()) { + return 1; + } + + start_secondary(); + + if (dlclose (handle) < 0) + { + printf("dlclose failed: %s\n", dlerror()); + return 1; + } + + printf ("handle: %p closed\n", handle); + + return 0; +} + +/* + * Disasseble these to see how the platform accesses TLS + */ +void* get_errno_ptr(void) +{ + return &errno; +} + +int get_errno(void) +{ + return errno; +} |