[babeltrace.git] / tests / test-bitfield.c

/*
 * test-bitfield.c
 *
 * BabelTrace - bitfield test program
 *
 * Copyright 2010 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; under version 2 of the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#define _GNU_SOURCE
#include <babeltrace/bitfield.h>
#include <time.h>
#include <stdlib.h>
#include <stdio.h>

unsigned int glob;

/*
 * This function is only declared to show the size of a bitfield write in
 * objdump.
 */
void fct(void)
{
	bt_bitfield_write(&glob, unsigned int, 12, 15, 0x12345678);
}

/* Test array size, in bytes */
#define TEST_LEN 128
#define NR_TESTS 10

unsigned int srcrand;

#if defined(__i386) || defined(__x86_64)

static inline int fls(int x)
{
	int r;
	asm("bsrl %1,%0\n\t"
	    "cmovzl %2,%0"
	    : "=&r" (r) : "rm" (x), "rm" (-1));
	return r + 1;
}

#elif defined(__PPC__)

static __inline__ int fls(unsigned int x)
{
	int lz;

	asm ("cntlzw %0,%1" : "=r" (lz) : "r" (x));
	return 32 - lz;
}

#else

static int fls(unsigned int x)
{
	int r = 32;

	if (!x)
		return 0;
	if (!(x & 0xFFFF0000U)) {
		x <<= 16;
		r -= 16;
	}
	if (!(x & 0xFF000000U)) {
		x <<= 8;
		r -= 8;
	}
	if (!(x & 0xF0000000U)) {
		x <<= 4;
		r -= 4;
	}
	if (!(x & 0xC0000000U)) {
		x <<= 2;
		r -= 2;
	}
	if (!(x & 0x80000000U)) {
		x <<= 1;
		r -= 1;
	}
	return r;
}

#endif

#define print_byte_array(c, len)	\
do {					\
	unsigned long i;		\
					\
	for (i = 0; i < (len); i++) {	\
		printf("0x%X", (c)[i]);	\
		if (i != (len) - 1)	\
			printf(" ");	\
	}				\
	printf("\n");			\
} while (0)

#define init_byte_array(c, len, val)	\
do {					\
	unsigned long i;		\
					\
	for (i = 0; i < (len); i++)	\
		(c)[i] = (val);		\
} while (0)

int run_test_unsigned(void)
{
	unsigned int src, nrbits;
	union {
		unsigned char c[TEST_LEN];
		unsigned short s[TEST_LEN/sizeof(unsigned short)];
		unsigned int i[TEST_LEN/sizeof(unsigned int)];
		unsigned long l[TEST_LEN/sizeof(unsigned long)];
		unsigned long long ll[TEST_LEN/sizeof(unsigned long long)];
	} target;
	unsigned long long readval;
	unsigned int s, l;
	int err = 0;

	printf("Running unsigned test with 0x%X\n", srcrand);

	src = srcrand;
	nrbits = fls(src);

	for (s = 0; s < CHAR_BIT * TEST_LEN; s++) {
		for (l = nrbits; l < (CHAR_BIT * TEST_LEN) - s; l++) {
			init_byte_array(target.c, TEST_LEN, 0xFF);
			bt_bitfield_write(target.c, unsigned char, s, l, src);
			bt_bitfield_read(target.c, unsigned char, s, l, &readval);
			if (readval != src) {
				printf("Error (bytewise) src %X read %llX shift %d len %d\n",
				       src, readval, s, l);
				print_byte_array(target.c, TEST_LEN);
				err = 1;
			}

			init_byte_array(target.c, TEST_LEN, 0xFF);
			bt_bitfield_write(target.s, unsigned short, s, l, src);
			bt_bitfield_read(target.c, unsigned char, s, l, &readval);
			if (readval != src) {
				printf("Error (shortwise) src %X read %llX shift %d len %d\n",
				       src, readval, s, l);
				print_byte_array(target.c, TEST_LEN);
				err = 1;
			}

			init_byte_array(target.c, TEST_LEN, 0xFF);
			bt_bitfield_write(target.i, unsigned int, s, l, src);
			bt_bitfield_read(target.c, unsigned char, s, l, &readval);
			if (readval != src) {
				printf("Error (intwise) src %X read %llX shift %d len %d\n",
				       src, readval, s, l);
				print_byte_array(target.c, TEST_LEN);
				err = 1;
			}

			init_byte_array(target.c, TEST_LEN, 0xFF);
			bt_bitfield_write(target.l, unsigned long, s, l, src);
			bt_bitfield_read(target.c, unsigned char, s, l, &readval);
			if (readval != src) {
				printf("Error (longwise) src %X read %llX shift %d len %d\n",
				       src, readval, s, l);
				print_byte_array(target.c, TEST_LEN);
				err = 1;
			}

			init_byte_array(target.c, TEST_LEN, 0xFF);
			bt_bitfield_write(target.ll, unsigned long long, s, l, src);
			bt_bitfield_read(target.c, unsigned char, s, l, &readval);
			if (readval != src) {
				printf("Error (longlongwise) src %X read %llX shift %d len %d\n",
				       src, readval, s, l);
				print_byte_array(target.c, TEST_LEN);
				err = 1;
			}
		}
	}
	if (!err)
		printf("Success!\n");
	else
		printf("Failed!\n");
	return err;
}

int run_test_signed(void)
{
	int src, nrbits;
	union {
		signed char c[TEST_LEN];
		short s[TEST_LEN/sizeof(short)];
		int i[TEST_LEN/sizeof(int)];
		long l[TEST_LEN/sizeof(long)];
		long long ll[TEST_LEN/sizeof(long long)];
	} target;
	long long readval;
	unsigned int s, l;
	int err = 0;

	printf("Running signed test with 0x%X\n", srcrand);

	src = srcrand;
	if (src & 0x80000000U)
		nrbits = fls(~src) + 1;	/* Find least significant bit conveying sign */
	else
		nrbits = fls(src) + 1;	/* Keep sign at 0 */

	for (s = 0; s < 8 * TEST_LEN; s++) {
		for (l = nrbits; l < (8 * TEST_LEN) - s; l++) {
			init_byte_array(target.c, TEST_LEN, 0x0);
			bt_bitfield_write(target.c, signed char, s, l, src);
			bt_bitfield_read(target.c, signed char, s, l, &readval);
			if (readval != src) {
				printf("Error (bytewise) src %X read %llX shift %d len %d\n",
				       src, readval, s, l);
				print_byte_array(target.c, TEST_LEN);
				err = 1;
			}

			init_byte_array(target.c, TEST_LEN, 0x0);
			bt_bitfield_write(target.s, short, s, l, src);
			bt_bitfield_read(target.c, signed char, s, l, &readval);
			if (readval != src) {
				printf("Error (shortwise) src %X read %llX shift %d len %d\n",
				       src, readval, s, l);
				print_byte_array(target.c, TEST_LEN);
				err = 1;
			}

			init_byte_array(target.c, TEST_LEN, 0x0);
			bt_bitfield_write(target.i, int, s, l, src);
			bt_bitfield_read(target.c, signed char, s, l, &readval);
			if (readval != src) {
				printf("Error (intwise) src %X read %llX shift %d len %d\n",
				       src, readval, s, l);
				print_byte_array(target.c, TEST_LEN);
				err = 1;
			}

			init_byte_array(target.c, TEST_LEN, 0x0);
			bt_bitfield_write(target.l, long, s, l, src);
			bt_bitfield_read(target.c, signed char, s, l, &readval);
			if (readval != src) {
				printf("Error (longwise) src %X read %llX shift %d len %d\n",
				       src, readval, s, l);
				print_byte_array(target.c, TEST_LEN);
				err = 1;
			}

			init_byte_array(target.c, TEST_LEN, 0x0);
			bt_bitfield_write(target.ll, long long, s, l, src);
			bt_bitfield_read(target.c, signed char, s, l, &readval);
			if (readval != src) {
				printf("Error (longlongwise) src %X read %llX shift %d len %d\n",
				       src, readval, s, l);
				print_byte_array(target.c, TEST_LEN);
				err = 1;
			}
		}
	}
	if (!err)
		printf("Success!\n");
	else
		printf("Failed!\n");
	return err;
}

int run_test(void)
{
	int err = 0;
	int i;

	srand(time(NULL));

	srcrand = 0;
	err |= run_test_unsigned();
	srcrand = 0;
	err |= run_test_signed();
	srcrand = 1;
	err |= run_test_unsigned();
	srcrand = ~0U;
	err |= run_test_unsigned();
	srcrand = -1;
	err |= run_test_signed();
	srcrand = (int)0x80000000U;
	err |= run_test_signed();

	for (i = 0; i < NR_TESTS; i++) {
		srcrand = rand();
		err |= run_test_unsigned();
		err |= run_test_signed();
	}
	return err;
}

int main(int argc, char **argv)
{
	unsigned long src;
	unsigned int shift, len;
	int ret;
	union {
		unsigned char c[8];
		unsigned short s[4];
		unsigned int i[2];
		unsigned long l[2];
		unsigned long long ll[1];
	} target;
	unsigned long long readval;

	if (argc > 1)
		src = atoi(argv[1]);
	else
		src = 0x12345678;
	if (argc > 2)
		shift = atoi(argv[2]);
	else
		shift = 12;
	if (argc > 3)
		len = atoi(argv[3]);
	else
		len = 40;

	target.i[0] = 0xFFFFFFFF;
	target.i[1] = 0xFFFFFFFF;
	bt_bitfield_write(target.c, unsigned char, shift, len, src);
	printf("bytewise\n");
	print_byte_array(target.c, 8);

	target.i[0] = 0xFFFFFFFF;
	target.i[1] = 0xFFFFFFFF;
	bt_bitfield_write(target.s, unsigned short, shift, len, src);
	printf("shortwise\n");
	print_byte_array(target.c, 8);

	target.i[0] = 0xFFFFFFFF;
	target.i[1] = 0xFFFFFFFF;
	bt_bitfield_write(target.i, unsigned int, shift, len, src);
	printf("intwise\n");
	print_byte_array(target.c, 8);

	target.i[0] = 0xFFFFFFFF;
	target.i[1] = 0xFFFFFFFF;
	bt_bitfield_write(target.l, unsigned long, shift, len, src);
	printf("longwise\n");
	print_byte_array(target.c, 8);

	target.i[0] = 0xFFFFFFFF;
	target.i[1] = 0xFFFFFFFF;
	bt_bitfield_write(target.ll, unsigned long long, shift, len, src);
	printf("lluwise\n");
	print_byte_array(target.c, 8);

	bt_bitfield_read(target.c, unsigned char, shift, len, &readval);
	printf("read: %llX\n", readval);

	ret = run_test();

	return ret;
}
Commit	Line	Data
6dc2ca62 MD	1	/*
	2	* test-bitfield.c
	3	*
d79865b9	4	* BabelTrace - bitfield test program
6dc2ca62	5	*
de0ba614	6	* Copyright 2010 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
6dc2ca62 MD	7	*
	8	* This program is free software; you can redistribute it and/or modify
	9	* it under the terms of the GNU General Public License as published by
9cb421e5	10	* the Free Software Foundation; under version 2 of the License.
6dc2ca62 MD	11	*
	12	* This program is distributed in the hope that it will be useful,
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	* GNU General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License along
	18	* with this program; if not, write to the Free Software Foundation, Inc.,
	19	* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
	20	*/
	21
	22	#define _GNU_SOURCE
d79865b9	23	#include <babeltrace/bitfield.h>
47e0f2e2 MD	24	#include <time.h>
47e0f2e2 MD	25	#include <stdlib.h>
6dc2ca62 MD	26	#include <stdio.h>
	27
	28	unsigned int glob;
	29
	30	/*
	31	* This function is only declared to show the size of a bitfield write in
	32	* objdump.
	33	*/
	34	void fct(void)
	35	{
47e0f2e2	36	bt_bitfield_write(&glob, unsigned int, 12, 15, 0x12345678);
6dc2ca62 MD	37	}
	38
	39	/* Test array size, in bytes */
	40	#define TEST_LEN 128
	41	#define NR_TESTS 10
	42
	43	unsigned int srcrand;
	44
	45	#if defined(__i386) \|\| defined(__x86_64)
	46
	47	static inline int fls(int x)
	48	{
	49	int r;
	50	asm("bsrl %1,%0\n\t"
	51	"cmovzl %2,%0"
	52	: "=&r" (r) : "rm" (x), "rm" (-1));
	53	return r + 1;
	54	}
	55
	56	#elif defined(__PPC__)
	57
	58	static __inline__ int fls(unsigned int x)
	59	{
	60	int lz;
	61
	62	asm ("cntlzw %0,%1" : "=r" (lz) : "r" (x));
	63	return 32 - lz;
	64	}
	65
	66	#else
	67
	68	static int fls(unsigned int x)
	69	{
	70	int r = 32;
	71
	72	if (!x)
	73	return 0;
	74	if (!(x & 0xFFFF0000U)) {
	75	x <<= 16;
	76	r -= 16;
	77	}
	78	if (!(x & 0xFF000000U)) {
	79	x <<= 8;
	80	r -= 8;
	81	}
	82	if (!(x & 0xF0000000U)) {
	83	x <<= 4;
	84	r -= 4;
	85	}
	86	if (!(x & 0xC0000000U)) {
	87	x <<= 2;
	88	r -= 2;
	89	}
	90	if (!(x & 0x80000000U)) {
	91	x <<= 1;
	92	r -= 1;
	93	}
	94	return r;
	95	}
	96
	97	#endif
	98
47e0f2e2 MD	99	#define print_byte_array(c, len) \
	100	do { \
	101	unsigned long i; \
	102	\
	103	for (i = 0; i < (len); i++) { \
	104	printf("0x%X", (c)[i]); \
	105	if (i != (len) - 1) \
	106	printf(" "); \
	107	} \
	108	printf("\n"); \
	109	} while (0)
	110
	111	#define init_byte_array(c, len, val) \
	112	do { \
	113	unsigned long i; \
	114	\
	115	for (i = 0; i < (len); i++) \
	116	(c)[i] = (val); \
	117	} while (0)
6dc2ca62 MD	118
	119	int run_test_unsigned(void)
	120	{
e6c404d1	121	unsigned int src, nrbits;
6dc2ca62 MD	122	union {
	123	unsigned char c[TEST_LEN];
	124	unsigned short s[TEST_LEN/sizeof(unsigned short)];
	125	unsigned int i[TEST_LEN/sizeof(unsigned int)];
	126	unsigned long l[TEST_LEN/sizeof(unsigned long)];
	127	unsigned long long ll[TEST_LEN/sizeof(unsigned long long)];
	128	} target;
380d60b1	129	unsigned long long readval;
6dc2ca62 MD	130	unsigned int s, l;
	131	int err = 0;
	132
	133	printf("Running unsigned test with 0x%X\n", srcrand);
	134
	135	src = srcrand;
	136	nrbits = fls(src);
	137
	138	for (s = 0; s < CHAR_BIT * TEST_LEN; s++) {
	139	for (l = nrbits; l < (CHAR_BIT * TEST_LEN) - s; l++) {
	140	init_byte_array(target.c, TEST_LEN, 0xFF);
47e0f2e2 MD	141	bt_bitfield_write(target.c, unsigned char, s, l, src);
47e0f2e2 MD	142	bt_bitfield_read(target.c, unsigned char, s, l, &readval);
6dc2ca62	143	if (readval != src) {
e6c404d1	144	printf("Error (bytewise) src %X read %llX shift %d len %d\n",
6dc2ca62 MD	145	src, readval, s, l);
	146	print_byte_array(target.c, TEST_LEN);
	147	err = 1;
	148	}
	149
	150	init_byte_array(target.c, TEST_LEN, 0xFF);
47e0f2e2 MD	151	bt_bitfield_write(target.s, unsigned short, s, l, src);
47e0f2e2 MD	152	bt_bitfield_read(target.c, unsigned char, s, l, &readval);
6dc2ca62	153	if (readval != src) {
e6c404d1	154	printf("Error (shortwise) src %X read %llX shift %d len %d\n",
6dc2ca62 MD	155	src, readval, s, l);
	156	print_byte_array(target.c, TEST_LEN);
	157	err = 1;
	158	}
	159
	160	init_byte_array(target.c, TEST_LEN, 0xFF);
47e0f2e2 MD	161	bt_bitfield_write(target.i, unsigned int, s, l, src);
47e0f2e2 MD	162	bt_bitfield_read(target.c, unsigned char, s, l, &readval);
6dc2ca62	163	if (readval != src) {
e6c404d1	164	printf("Error (intwise) src %X read %llX shift %d len %d\n",
6dc2ca62 MD	165	src, readval, s, l);
	166	print_byte_array(target.c, TEST_LEN);
	167	err = 1;
	168	}
	169
	170	init_byte_array(target.c, TEST_LEN, 0xFF);
47e0f2e2 MD	171	bt_bitfield_write(target.l, unsigned long, s, l, src);
47e0f2e2 MD	172	bt_bitfield_read(target.c, unsigned char, s, l, &readval);
6dc2ca62	173	if (readval != src) {
e6c404d1	174	printf("Error (longwise) src %X read %llX shift %d len %d\n",
6dc2ca62 MD	175	src, readval, s, l);
	176	print_byte_array(target.c, TEST_LEN);
	177	err = 1;
	178	}
	179
	180	init_byte_array(target.c, TEST_LEN, 0xFF);
47e0f2e2 MD	181	bt_bitfield_write(target.ll, unsigned long long, s, l, src);
47e0f2e2 MD	182	bt_bitfield_read(target.c, unsigned char, s, l, &readval);
6dc2ca62	183	if (readval != src) {
e6c404d1	184	printf("Error (longlongwise) src %X read %llX shift %d len %d\n",
6dc2ca62 MD	185	src, readval, s, l);
	186	print_byte_array(target.c, TEST_LEN);
	187	err = 1;
	188	}
	189	}
	190	}
	191	if (!err)
	192	printf("Success!\n");
	193	else
	194	printf("Failed!\n");
	195	return err;
	196	}
	197
	198	int run_test_signed(void)
	199	{
e6c404d1	200	int src, nrbits;
6dc2ca62	201	union {
47e0f2e2	202	signed char c[TEST_LEN];
6dc2ca62 MD	203	short s[TEST_LEN/sizeof(short)];
	204	int i[TEST_LEN/sizeof(int)];
	205	long l[TEST_LEN/sizeof(long)];
	206	long long ll[TEST_LEN/sizeof(long long)];
	207	} target;
380d60b1	208	long long readval;
6dc2ca62 MD	209	unsigned int s, l;
	210	int err = 0;
	211
	212	printf("Running signed test with 0x%X\n", srcrand);
	213
	214	src = srcrand;
	215	if (src & 0x80000000U)
	216	nrbits = fls(~src) + 1; /* Find least significant bit conveying sign */
	217	else
	218	nrbits = fls(src) + 1; /* Keep sign at 0 */
	219
	220	for (s = 0; s < 8 * TEST_LEN; s++) {
	221	for (l = nrbits; l < (8 * TEST_LEN) - s; l++) {
	222	init_byte_array(target.c, TEST_LEN, 0x0);
47e0f2e2 MD	223	bt_bitfield_write(target.c, signed char, s, l, src);
47e0f2e2 MD	224	bt_bitfield_read(target.c, signed char, s, l, &readval);
6dc2ca62	225	if (readval != src) {
e6c404d1	226	printf("Error (bytewise) src %X read %llX shift %d len %d\n",
6dc2ca62 MD	227	src, readval, s, l);
	228	print_byte_array(target.c, TEST_LEN);
	229	err = 1;
	230	}
	231
	232	init_byte_array(target.c, TEST_LEN, 0x0);
47e0f2e2 MD	233	bt_bitfield_write(target.s, short, s, l, src);
47e0f2e2 MD	234	bt_bitfield_read(target.c, signed char, s, l, &readval);
6dc2ca62	235	if (readval != src) {
e6c404d1	236	printf("Error (shortwise) src %X read %llX shift %d len %d\n",
6dc2ca62 MD	237	src, readval, s, l);
	238	print_byte_array(target.c, TEST_LEN);
	239	err = 1;
	240	}
	241
	242	init_byte_array(target.c, TEST_LEN, 0x0);
47e0f2e2 MD	243	bt_bitfield_write(target.i, int, s, l, src);
47e0f2e2 MD	244	bt_bitfield_read(target.c, signed char, s, l, &readval);
6dc2ca62	245	if (readval != src) {
e6c404d1	246	printf("Error (intwise) src %X read %llX shift %d len %d\n",
6dc2ca62 MD	247	src, readval, s, l);
	248	print_byte_array(target.c, TEST_LEN);
	249	err = 1;
	250	}
	251
	252	init_byte_array(target.c, TEST_LEN, 0x0);
47e0f2e2 MD	253	bt_bitfield_write(target.l, long, s, l, src);
47e0f2e2 MD	254	bt_bitfield_read(target.c, signed char, s, l, &readval);
6dc2ca62	255	if (readval != src) {
e6c404d1	256	printf("Error (longwise) src %X read %llX shift %d len %d\n",
6dc2ca62 MD	257	src, readval, s, l);
	258	print_byte_array(target.c, TEST_LEN);
	259	err = 1;
	260	}
	261
	262	init_byte_array(target.c, TEST_LEN, 0x0);
47e0f2e2 MD	263	bt_bitfield_write(target.ll, long long, s, l, src);
47e0f2e2 MD	264	bt_bitfield_read(target.c, signed char, s, l, &readval);
6dc2ca62	265	if (readval != src) {
e6c404d1	266	printf("Error (longlongwise) src %X read %llX shift %d len %d\n",
6dc2ca62 MD	267	src, readval, s, l);
	268	print_byte_array(target.c, TEST_LEN);
	269	err = 1;
	270	}
	271	}
	272	}
	273	if (!err)
	274	printf("Success!\n");
	275	else
	276	printf("Failed!\n");
	277	return err;
	278	}
	279
	280	int run_test(void)
	281	{
	282	int err = 0;
	283	int i;
	284
	285	srand(time(NULL));
	286
	287	srcrand = 0;
	288	err \|= run_test_unsigned();
	289	srcrand = 0;
	290	err \|= run_test_signed();
	291	srcrand = 1;
	292	err \|= run_test_unsigned();
	293	srcrand = ~0U;
	294	err \|= run_test_unsigned();
	295	srcrand = -1;
	296	err \|= run_test_signed();
	297	srcrand = (int)0x80000000U;
	298	err \|= run_test_signed();
	299
	300	for (i = 0; i < NR_TESTS; i++) {
	301	srcrand = rand();
	302	err \|= run_test_unsigned();
	303	err \|= run_test_signed();
	304	}
	305	return err;
	306	}
	307
	308	int main(int argc, char **argv)
	309	{
	310	unsigned long src;
	311	unsigned int shift, len;
	312	int ret;
	313	union {
	314	unsigned char c[8];
	315	unsigned short s[4];
	316	unsigned int i[2];
	317	unsigned long l[2];
	318	unsigned long long ll[1];
	319	} target;
380d60b1	320	unsigned long long readval;
6dc2ca62 MD	321
	322	if (argc > 1)
	323	src = atoi(argv[1]);
	324	else
	325	src = 0x12345678;
	326	if (argc > 2)
	327	shift = atoi(argv[2]);
	328	else
	329	shift = 12;
	330	if (argc > 3)
	331	len = atoi(argv[3]);
	332	else
	333	len = 40;
	334
	335	target.i[0] = 0xFFFFFFFF;
	336	target.i[1] = 0xFFFFFFFF;
47e0f2e2	337	bt_bitfield_write(target.c, unsigned char, shift, len, src);
6dc2ca62 MD	338	printf("bytewise\n");
	339	print_byte_array(target.c, 8);
	340
	341	target.i[0] = 0xFFFFFFFF;
	342	target.i[1] = 0xFFFFFFFF;
47e0f2e2	343	bt_bitfield_write(target.s, unsigned short, shift, len, src);
6dc2ca62 MD	344	printf("shortwise\n");
	345	print_byte_array(target.c, 8);
	346
	347	target.i[0] = 0xFFFFFFFF;
	348	target.i[1] = 0xFFFFFFFF;
47e0f2e2	349	bt_bitfield_write(target.i, unsigned int, shift, len, src);
6dc2ca62 MD	350	printf("intwise\n");
	351	print_byte_array(target.c, 8);
	352
	353	target.i[0] = 0xFFFFFFFF;
	354	target.i[1] = 0xFFFFFFFF;
47e0f2e2	355	bt_bitfield_write(target.l, unsigned long, shift, len, src);
6dc2ca62 MD	356	printf("longwise\n");
	357	print_byte_array(target.c, 8);
	358
	359	target.i[0] = 0xFFFFFFFF;
	360	target.i[1] = 0xFFFFFFFF;
47e0f2e2	361	bt_bitfield_write(target.ll, unsigned long long, shift, len, src);
6dc2ca62 MD	362	printf("lluwise\n");
	363	print_byte_array(target.c, 8);
	364
47e0f2e2	365	bt_bitfield_read(target.c, unsigned char, shift, len, &readval);
6dc2ca62 MD	366	printf("read: %llX\n", readval);
	367
	368	ret = run_test();
	369
	370	return ret;
	371	}