dyld-353.2.1.tar.gz

[apple/dyld.git] / unit-tests / test-cases / symbol-resolver-pointer / foo.c

/*
 * Copyright (c) 2010 Apple 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 <stdlib.h>

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

int resolverCallCount = 0;
int realTestCallCount = 0;


void test$FOO();
void test$FOO() {
    //printf("test\n");
	++realTestCallCount;
}

void* test_chooser() __asm__("_test");
void* test_chooser() {
    __asm__(".symbol_resolver _test");
    //printf("resolver\n");
	++resolverCallCount;
    return test$FOO;
}

void test();
static void (*t)(void) = test;

void check() {
    t();        // call through initialized pointer
    t = test;	// re-assign pointer via non-lazy-poitner
    t();        // call agin through pointer
    test();     // call through stub
	if ( resolverCallCount != 1 )
		FAIL("symbol-resolver-pointer: resolved called %d times", resolverCallCount);
	else if ( realTestCallCount != 3 )
		FAIL("symbol-resolver-pointer: real test function called %d times", realTestCallCount);
	else
		PASS("symbol-resolver-pointer");
}