forked from Imagelibrary/rtems
78 lines
1.6 KiB
C
78 lines
1.6 KiB
C
/*
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* Copyright (c) 2014 Chris Johns <chrisj@rtems.org>. All rights reserved.
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.org/license/LICENSE.
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*/
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#include <stdio.h>
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#include <dlfcn.h>
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#include "dl-load.h"
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typedef int (*call_t)(int argc, const char* argv[]);
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static const char* call_1[] = { "Line 1", "Line 2" };
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static const char* call_2[] = { "Call 2, line 1",
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"Call 2, line 2",
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"Call 2, line 3" };
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int dl_load_test(void)
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{
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void* handle;
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call_t call;
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int call_ret;
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int unresolved;
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char* message = "loaded";
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printf("load: /dl-o1.o\n");
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handle = dlopen ("/dl-o1.o", RTLD_NOW | RTLD_GLOBAL);
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if (!handle)
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{
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printf("dlopen failed: %s\n", dlerror());
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return 1;
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}
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if (dlinfo (handle, RTLD_DI_UNRESOLVED, &unresolved) < 0)
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message = "dlinfo error checking unresolved status";
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else if (unresolved)
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message = "has unresolved externals";
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printf ("handle: %p %s\n", handle, message);
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call = dlsym (handle, "rtems_main");
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if (call == NULL)
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{
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printf("dlsym failed: symbol not found\n");
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return 1;
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}
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call_ret = call (2, call_1);
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if (call_ret != 2)
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{
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printf("dlsym call failed: ret value bad\n");
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return 1;
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}
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call_ret = call (3, call_2);
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if (call_ret != 3)
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{
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printf("dlsym call failed: ret value bad\n");
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return 1;
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}
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if (dlclose (handle) < 0)
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{
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printf("dlclose failed: %s\n", dlerror());
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return 1;
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}
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printf ("handle: %p closed\n", handle);
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return 0;
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}
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