[lttng-ust.git] / tests / gcc-weak-hidden / main.c

/*
 * Copyright (C) 2016 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
 *
 * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
 * OR IMPLIED. ANY USE IS AT YOUR OWN RISK.
 *
 * Permission is hereby granted to use or copy this program for any
 * purpose, provided the above notices are retained on all copies.
 * Permission to modify the code and to distribute modified code is
 * granted, provided the above notices are retained, and a notice that
 * the code was modified is included with the above copyright notice.
 */
#include "tap.h"

#define NUM_TESTS 2

char testsym[9] __attribute__((weak, visibility("hidden")));

void *fct1(void);
void *fctlib1(void);
void *fctlib2(void);

int main()
{
	plan_tests(NUM_TESTS);
	ok(fct1() == testsym,
		"Address of weak symbol with hidden visibility match between compile units within same module for main program");
	ok(fctlib1() == fctlib2(),
		"Address of weak symbol with hidden visibility match between compile units within same module for shared library");
	return 0;
}
Commit	Line	Data
5a673446 MD	1	/*
	2	* Copyright (C) 2016 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
	3	*
	4	* THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
	5	* OR IMPLIED. ANY USE IS AT YOUR OWN RISK.
	6	*
	7	* Permission is hereby granted to use or copy this program for any
	8	* purpose, provided the above notices are retained on all copies.
	9	* Permission to modify the code and to distribute modified code is
	10	* granted, provided the above notices are retained, and a notice that
	11	* the code was modified is included with the above copyright notice.
	12	*/
	13	#include "tap.h"
	14
	15	#define NUM_TESTS 2
	16
	17	char testsym[9] __attribute__((weak, visibility("hidden")));
	18
	19	void *fct1(void);
	20	void *fctlib1(void);
	21	void *fctlib2(void);
	22
	23	int main()
	24	{
	25	plan_tests(NUM_TESTS);
	26	ok(fct1() == testsym,
	27	"Address of weak symbol with hidden visibility match between compile units within same module for main program");
	28	ok(fctlib1() == fctlib2(),
	29	"Address of weak symbol with hidden visibility match between compile units within same module for shared library");
	30	return 0;
	31	}