[apple/dyld.git] / unit-tests / test-cases / dlsym-RTLD_SELF / main.c

/*
 * Copyright (c) 2005 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this
 * file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
#include <stdio.h>  // fprintf(), NULL
#include <stdlib.h> // exit(), EXIT_SUCCESS
#include <dlfcn.h>

#include "test.h" // PASS(), FAIL(), XPASS(), XFAIL()


///
/// This process has five foo functions.  They are in:
///		main, test.bundle, test.dylib, foo1.dylib, foo2.dylib
///
/// Both test.bundle and test.dylib call dlsym(RTLD_SELF, "foo");
/// They should find the ones in their own linkage unit and
/// call FAIL() otherwise.
/// We also check that this works in the main executable.
///


int foo()
{
	return 0;
}

typedef void (*TestProc)(void);

static void trySO(const char* pathToLoad)
{
	void* handle = dlopen(pathToLoad, RTLD_LAZY);
	if ( handle == NULL ) {
		FAIL("dlopen(\"%s\") failed", pathToLoad);
		exit(0);
	}
	
	TestProc sym = (TestProc)dlsym(handle, "test");
	if ( sym == NULL ) {
		FAIL("dlsym(handle, \"test\") failed");
		exit(0);
	}
	
	(*sym)();	
}


int main()
{
	trySO("test.bundle");
	trySO("test.dylib");

 	if ( dlsym(RTLD_SELF, "foo") != &foo ) {
		FAIL("dlsym(RTLD_SELF, \"foo\") returned wrong value");
	}
	
	PASS("dlsym-RTLD_SELF bundle and dylib");
	return EXIT_SUCCESS;
}
Commit	Line	Data
0959b6d4 A	1	/*
	2	* Copyright (c) 2005 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. Please obtain a copy of the License at
	10	* http://www.opensource.apple.com/apsl/ and read it before using this
	11	* file.
	12	*
	13	* The Original Code and all software distributed under the License are
	14	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	15	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	16	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	17	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	18	* Please see the License for the specific language governing rights and
	19	* limitations under the License.
	20	*
	21	* @APPLE_LICENSE_HEADER_END@
	22	*/
	23	#include <stdio.h> // fprintf(), NULL
	24	#include <stdlib.h> // exit(), EXIT_SUCCESS
	25	#include <dlfcn.h>
	26
	27	#include "test.h" // PASS(), FAIL(), XPASS(), XFAIL()
	28
	29
	30	///
	31	/// This process has five foo functions. They are in:
	32	/// main, test.bundle, test.dylib, foo1.dylib, foo2.dylib
	33	///
	34	/// Both test.bundle and test.dylib call dlsym(RTLD_SELF, "foo");
	35	/// They should find the ones in their own linkage unit and
	36	/// call FAIL() otherwise.
	37	/// We also check that this works in the main executable.
	38	///
	39
0959b6d4 A	40
	41	int foo()
	42	{
	43	return 0;
	44	}
	45
	46	typedef void (*TestProc)(void);
	47
	48	static void trySO(const char* pathToLoad)
	49	{
	50	void* handle = dlopen(pathToLoad, RTLD_LAZY);
	51	if ( handle == NULL ) {
	52	FAIL("dlopen(\"%s\") failed", pathToLoad);
	53	exit(0);
	54	}
	55
	56	TestProc sym = (TestProc)dlsym(handle, "test");
	57	if ( sym == NULL ) {
	58	FAIL("dlsym(handle, \"test\") failed");
	59	exit(0);
	60	}
	61
	62	(*sym)();
	63	}
	64
0959b6d4 A	65
	66
	67	int main()
	68	{
0959b6d4 A	69	trySO("test.bundle");
	70	trySO("test.dylib");
	71
	72	if ( dlsym(RTLD_SELF, "foo") != &foo ) {
	73	FAIL("dlsym(RTLD_SELF, \"foo\") returned wrong value");
	74	}
	75
	76	PASS("dlsym-RTLD_SELF bundle and dylib");
0959b6d4 A	77	return EXIT_SUCCESS;
0959b6d4 A	78	}