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/*
* Copyright (c) 2014 Chris Johns <chrisj@rtems.org>. All rights reserved.
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#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 (*call_t)(int argc, const char* argv[]);
static const char* call_1[] = { "Line 1", "Line 2" };
static const char* call_2[] = { "Call 2, line 1",
"Call 2, line 2",
"Call 2, line 3" };
int dl_load_test(void)
{
void* handle;
call_t call;
int call_ret;
int unresolved;
char* message = "loaded";
#if DL_DEBUG_TRACE
rtems_rtl_trace_set_mask (DL_DEBUG_TRACE);
#endif
printf("load: /dl01-o1.o\n");
handle = dlopen ("/dl01-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 ();
call = dlsym (handle, "rtems_main");
if (call == NULL)
{
printf("dlsym failed: symbol not found\n");
return 1;
}
call_ret = call (2, call_1);
if (call_ret != 2)
{
printf("dlsym call failed: ret value bad\n");
return 1;
}
call_ret = call (3, call_2);
if (call_ret != 3)
{
printf("dlsym 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;
}
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