[babeltrace.git] / formats / ctf / types / integer.c

/*
 * Common Trace Format
 *
 * Integers read/write functions.
 *
 * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation
 *
 * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#include <babeltrace/ctf/types.h>
#include <babeltrace/bitfield.h>
#include <stdint.h>
#include <glib.h>
#include <babeltrace/endian.h>

/*
 * The aligned read/write functions are expected to be faster than the
 * bitfield variants. They will be enabled eventually as an
 * optimisation.
 */

static
int _aligned_integer_read(struct bt_stream_pos *ppos,
			  struct bt_definition *definition)
{
	struct definition_integer *integer_definition =
		container_of(definition, struct definition_integer, p);
	const struct declaration_integer *integer_declaration =
		integer_definition->declaration;
	struct ctf_stream_pos *pos = ctf_pos(ppos);
	int rbo = (integer_declaration->byte_order != BYTE_ORDER);	/* reverse byte order */

	if (!ctf_align_pos(pos, integer_declaration->p.alignment))
		return -EFAULT;

	if (!ctf_pos_access_ok(pos, integer_declaration->len))
		return -EFAULT;

	assert(!(pos->offset % CHAR_BIT));
	if (!integer_declaration->signedness) {
		switch (integer_declaration->len) {
		case 8:
		{
			uint8_t v;

			memcpy(&v, ctf_get_pos_addr(pos), sizeof(v));
			integer_definition->value._unsigned = v;
			break;
		}
		case 16:
		{
			uint16_t v;

			memcpy(&v, ctf_get_pos_addr(pos), sizeof(v));
			integer_definition->value._unsigned =
				rbo ? GUINT16_SWAP_LE_BE(v) : v;
			break;
		}
		case 32:
		{
			uint32_t v;

			memcpy(&v, ctf_get_pos_addr(pos), sizeof(v));
			integer_definition->value._unsigned =
				rbo ? GUINT32_SWAP_LE_BE(v) : v;
			break;
		}
		case 64:
		{
			uint64_t v;

			memcpy(&v, ctf_get_pos_addr(pos), sizeof(v));
			integer_definition->value._unsigned =
				rbo ? GUINT64_SWAP_LE_BE(v) : v;
			break;
		}
		default:
			assert(0);
		}
	} else {
		switch (integer_declaration->len) {
		case 8:
		{
			int8_t v;

			memcpy(&v, ctf_get_pos_addr(pos), sizeof(v));
			integer_definition->value._signed = v;
			break;
		}
		case 16:
		{
			int16_t v;

			memcpy(&v, ctf_get_pos_addr(pos), sizeof(v));
			integer_definition->value._signed =
				rbo ? (int16_t) GUINT16_SWAP_LE_BE(v) : v;
			break;
		}
		case 32:
		{
			int32_t v;

			memcpy(&v, ctf_get_pos_addr(pos), sizeof(v));
			integer_definition->value._signed =
				rbo ? (int32_t) GUINT32_SWAP_LE_BE(v) : v;
			break;
		}
		case 64:
		{
			int64_t v;

			memcpy(&v, ctf_get_pos_addr(pos), sizeof(v));
			integer_definition->value._signed =
				rbo ? (int64_t) GUINT64_SWAP_LE_BE(v) : v;
			break;
		}
		default:
			assert(0);
		}
	}
	if (!ctf_move_pos(pos, integer_declaration->len))
		return -EFAULT;
	return 0;
}

static
int _aligned_integer_write(struct bt_stream_pos *ppos,
			    struct bt_definition *definition)
{
	struct definition_integer *integer_definition =
		container_of(definition, struct definition_integer, p);
	const struct declaration_integer *integer_declaration =
		integer_definition->declaration;
	struct ctf_stream_pos *pos = ctf_pos(ppos);
	int rbo = (integer_declaration->byte_order != BYTE_ORDER);	/* reverse byte order */

	if (!ctf_align_pos(pos, integer_declaration->p.alignment))
		return -EFAULT;

	if (!ctf_pos_access_ok(pos, integer_declaration->len))
		return -EFAULT;

	assert(!(pos->offset % CHAR_BIT));
	if (pos->dummy)
		goto end;
	if (!integer_declaration->signedness) {
		switch (integer_declaration->len) {
		case 8:
		{
			uint8_t v = integer_definition->value._unsigned;

			memcpy(ctf_get_pos_addr(pos), &v, sizeof(v));
			break;
		}
		case 16:
		{
			uint16_t v = integer_definition->value._unsigned;

			if (rbo)
				v = GUINT16_SWAP_LE_BE(v);
			memcpy(ctf_get_pos_addr(pos), &v, sizeof(v));
			break;
		}
		case 32:
		{
			uint32_t v = integer_definition->value._unsigned;

			if (rbo)
				v = GUINT32_SWAP_LE_BE(v);
			memcpy(ctf_get_pos_addr(pos), &v, sizeof(v));
			break;
		}
		case 64:
		{
			uint64_t v = integer_definition->value._unsigned;

			if (rbo)
				v = GUINT64_SWAP_LE_BE(v);
			memcpy(ctf_get_pos_addr(pos), &v, sizeof(v));
			break;
		}
		default:
			assert(0);
		}
	} else {
		switch (integer_declaration->len) {
		case 8:
		{
			uint8_t v = integer_definition->value._signed;

			memcpy(ctf_get_pos_addr(pos), &v, sizeof(v));
			break;
		}
		case 16:
		{
			int16_t v = integer_definition->value._signed;

			if (rbo)
				v = GUINT16_SWAP_LE_BE(v);
			memcpy(ctf_get_pos_addr(pos), &v, sizeof(v));
			break;
		}
		case 32:
		{
			int32_t v = integer_definition->value._signed;

			if (rbo)
				v = GUINT32_SWAP_LE_BE(v);
			memcpy(ctf_get_pos_addr(pos), &v, sizeof(v));
			break;
		}
		case 64:
		{
			int64_t v = integer_definition->value._signed;

			if (rbo)
				v = GUINT64_SWAP_LE_BE(v);
			memcpy(ctf_get_pos_addr(pos), &v, sizeof(v));
			break;
		}
		default:
			assert(0);
		}
	}
end:
	if (!ctf_move_pos(pos, integer_declaration->len))
		return -EFAULT;
	return 0;
}

int ctf_integer_read(struct bt_stream_pos *ppos, struct bt_definition *definition)
{
	struct definition_integer *integer_definition =
		container_of(definition, struct definition_integer, p);
	const struct declaration_integer *integer_declaration =
		integer_definition->declaration;
	struct ctf_stream_pos *pos = ctf_pos(ppos);

	if (!(integer_declaration->p.alignment % CHAR_BIT)
	    && !(integer_declaration->len % CHAR_BIT)) {
		return _aligned_integer_read(ppos, definition);
	}

	if (!ctf_align_pos(pos, integer_declaration->p.alignment))
		return -EFAULT;

	if (!ctf_pos_access_ok(pos, integer_declaration->len))
		return -EFAULT;

	if (!integer_declaration->signedness) {
		if (integer_declaration->byte_order == LITTLE_ENDIAN)
			bt_bitfield_read_le(mmap_align_addr(pos->base_mma) +
					pos->mmap_base_offset, unsigned char,
				pos->offset, integer_declaration->len,
				&integer_definition->value._unsigned);
		else
			bt_bitfield_read_be(mmap_align_addr(pos->base_mma) +
					pos->mmap_base_offset, unsigned char,
				pos->offset, integer_declaration->len,
				&integer_definition->value._unsigned);
	} else {
		if (integer_declaration->byte_order == LITTLE_ENDIAN)
			bt_bitfield_read_le(mmap_align_addr(pos->base_mma) +
					pos->mmap_base_offset, unsigned char,
				pos->offset, integer_declaration->len,
				&integer_definition->value._signed);
		else
			bt_bitfield_read_be(mmap_align_addr(pos->base_mma) +
					pos->mmap_base_offset, unsigned char,
				pos->offset, integer_declaration->len,
				&integer_definition->value._signed);
	}
	if (!ctf_move_pos(pos, integer_declaration->len))
		return -EFAULT;
	return 0;
}

int ctf_integer_write(struct bt_stream_pos *ppos, struct bt_definition *definition)
{
	struct definition_integer *integer_definition =
		container_of(definition, struct definition_integer, p);
	const struct declaration_integer *integer_declaration =
		integer_definition->declaration;
	struct ctf_stream_pos *pos = ctf_pos(ppos);

	if (!(integer_declaration->p.alignment % CHAR_BIT)
	    && !(integer_declaration->len % CHAR_BIT)) {
		return _aligned_integer_write(ppos, definition);
	}

	if (!ctf_align_pos(pos, integer_declaration->p.alignment))
		return -EFAULT;

	if (!ctf_pos_access_ok(pos, integer_declaration->len))
		return -EFAULT;

	if (pos->dummy)
		goto end;
	if (!integer_declaration->signedness) {
		if (integer_declaration->byte_order == LITTLE_ENDIAN)
			bt_bitfield_write_le(mmap_align_addr(pos->base_mma) +
					pos->mmap_base_offset, unsigned char,
				pos->offset, integer_declaration->len,
				integer_definition->value._unsigned);
		else
			bt_bitfield_write_be(mmap_align_addr(pos->base_mma) +
					pos->mmap_base_offset, unsigned char,
				pos->offset, integer_declaration->len,
				integer_definition->value._unsigned);
	} else {
		if (integer_declaration->byte_order == LITTLE_ENDIAN)
			bt_bitfield_write_le(mmap_align_addr(pos->base_mma) +
					pos->mmap_base_offset, unsigned char,
				pos->offset, integer_declaration->len,
				integer_definition->value._signed);
		else
			bt_bitfield_write_be(mmap_align_addr(pos->base_mma) +
					pos->mmap_base_offset, unsigned char,
				pos->offset, integer_declaration->len,
				integer_definition->value._signed);
	}
end:
	if (!ctf_move_pos(pos, integer_declaration->len))
		return -EFAULT;
	return 0;
}
Commit	Line	Data
6dc2ca62 MD	1	/*
	2	* Common Trace Format
	3	*
	4	* Integers read/write functions.
	5	*
64fa3fec MD	6	* Copyright 2010-2011 EfficiOS Inc. and Linux Foundation
	7	*
	8	* Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
6dc2ca62	9	*
ccd7e1c8 MD	10	* Permission is hereby granted, free of charge, to any person obtaining a copy
	11	* of this software and associated documentation files (the "Software"), to deal
	12	* in the Software without restriction, including without limitation the rights
	13	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	14	* copies of the Software, and to permit persons to whom the Software is
	15	* furnished to do so, subject to the following conditions:
de0ba614	16	*
ccd7e1c8 MD	17	* The above copyright notice and this permission notice shall be included in
ccd7e1c8 MD	18	* all copies or substantial portions of the Software.
c462e188 MD	19	*
	20	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	21	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	22	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
	23	* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	24	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	25	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	26	* SOFTWARE.
6dc2ca62 MD	27	*/
6dc2ca62 MD	28
4c8bfb7e MD	29	#include <babeltrace/ctf/types.h>
4c8bfb7e MD	30	#include <babeltrace/bitfield.h>
6dc2ca62 MD	31	#include <stdint.h>
6dc2ca62 MD	32	#include <glib.h>
9b0422a0	33	#include <babeltrace/endian.h>
6dc2ca62	34
5385cf15 MD	35	/*
	36	* The aligned read/write functions are expected to be faster than the
	37	* bitfield variants. They will be enabled eventually as an
	38	* optimisation.
	39	*/
	40
7fe00194	41	static
1cf393f6	42	int _aligned_integer_read(struct bt_stream_pos *ppos,
0d69b916	43	struct bt_definition *definition)
6dc2ca62	44	{
d11e9c49 MD	45	struct definition_integer *integer_definition =
	46	container_of(definition, struct definition_integer, p);
	47	const struct declaration_integer *integer_declaration =
	48	integer_definition->declaration;
46322b33	49	struct ctf_stream_pos *pos = ctf_pos(ppos);
f6625916	50	int rbo = (integer_declaration->byte_order != BYTE_ORDER); /* reverse byte order */
6dc2ca62	51
70fd5a51 MD	52	if (!ctf_align_pos(pos, integer_declaration->p.alignment))
70fd5a51 MD	53	return -EFAULT;
6dc2ca62	54
c5e74408 MD	55	if (!ctf_pos_access_ok(pos, integer_declaration->len))
	56	return -EFAULT;
	57
670977d3	58	assert(!(pos->offset % CHAR_BIT));
d11e9c49 MD	59	if (!integer_declaration->signedness) {
	60	switch (integer_declaration->len) {
	61	case 8:
	62	{
	63	uint8_t v;
	64
190e4503	65	memcpy(&v, ctf_get_pos_addr(pos), sizeof(v));
d11e9c49 MD	66	integer_definition->value._unsigned = v;
	67	break;
	68	}
	69	case 16:
	70	{
	71	uint16_t v;
	72
190e4503	73	memcpy(&v, ctf_get_pos_addr(pos), sizeof(v));
d11e9c49 MD	74	integer_definition->value._unsigned =
	75	rbo ? GUINT16_SWAP_LE_BE(v) : v;
	76	break;
	77	}
	78	case 32:
	79	{
	80	uint32_t v;
	81
190e4503	82	memcpy(&v, ctf_get_pos_addr(pos), sizeof(v));
d11e9c49 MD	83	integer_definition->value._unsigned =
	84	rbo ? GUINT32_SWAP_LE_BE(v) : v;
	85	break;
	86	}
	87	case 64:
	88	{
	89	uint64_t v;
	90
190e4503	91	memcpy(&v, ctf_get_pos_addr(pos), sizeof(v));
d11e9c49 MD	92	integer_definition->value._unsigned =
	93	rbo ? GUINT64_SWAP_LE_BE(v) : v;
	94	break;
	95	}
	96	default:
	97	assert(0);
	98	}
	99	} else {
	100	switch (integer_declaration->len) {
	101	case 8:
	102	{
	103	int8_t v;
	104
190e4503	105	memcpy(&v, ctf_get_pos_addr(pos), sizeof(v));
d11e9c49 MD	106	integer_definition->value._signed = v;
	107	break;
	108	}
	109	case 16:
	110	{
	111	int16_t v;
	112
190e4503	113	memcpy(&v, ctf_get_pos_addr(pos), sizeof(v));
d11e9c49	114	integer_definition->value._signed =
27265cb3	115	rbo ? (int16_t) GUINT16_SWAP_LE_BE(v) : v;
d11e9c49 MD	116	break;
	117	}
	118	case 32:
	119	{
	120	int32_t v;
	121
190e4503	122	memcpy(&v, ctf_get_pos_addr(pos), sizeof(v));
d11e9c49	123	integer_definition->value._signed =
27265cb3	124	rbo ? (int32_t) GUINT32_SWAP_LE_BE(v) : v;
d11e9c49 MD	125	break;
	126	}
	127	case 64:
	128	{
	129	int64_t v;
	130
190e4503	131	memcpy(&v, ctf_get_pos_addr(pos), sizeof(v));
d11e9c49	132	integer_definition->value._signed =
27265cb3	133	rbo ? (int64_t) GUINT64_SWAP_LE_BE(v) : v;
d11e9c49 MD	134	break;
	135	}
	136	default:
	137	assert(0);
	138	}
6dc2ca62	139	}
70fd5a51 MD	140	if (!ctf_move_pos(pos, integer_declaration->len))
70fd5a51 MD	141	return -EFAULT;
c5e74408	142	return 0;
6dc2ca62 MD	143	}
6dc2ca62 MD	144
7fe00194	145	static
1cf393f6	146	int _aligned_integer_write(struct bt_stream_pos *ppos,
0d69b916	147	struct bt_definition *definition)
6dc2ca62	148	{
d11e9c49 MD	149	struct definition_integer *integer_definition =
	150	container_of(definition, struct definition_integer, p);
	151	const struct declaration_integer *integer_declaration =
	152	integer_definition->declaration;
46322b33	153	struct ctf_stream_pos *pos = ctf_pos(ppos);
f6625916	154	int rbo = (integer_declaration->byte_order != BYTE_ORDER); /* reverse byte order */
6dc2ca62	155
70fd5a51 MD	156	if (!ctf_align_pos(pos, integer_declaration->p.alignment))
70fd5a51 MD	157	return -EFAULT;
6dc2ca62	158
c5e74408 MD	159	if (!ctf_pos_access_ok(pos, integer_declaration->len))
	160	return -EFAULT;
	161
670977d3	162	assert(!(pos->offset % CHAR_BIT));
bed864a7	163	if (pos->dummy)
6dc2ca62	164	goto end;
d11e9c49	165	if (!integer_declaration->signedness) {
d11e9c49	166	switch (integer_declaration->len) {
190e4503 MD	167	case 8:
	168	{
	169	uint8_t v = integer_definition->value._unsigned;
	170
	171	memcpy(ctf_get_pos_addr(pos), &v, sizeof(v));
d11e9c49	172	break;
190e4503	173	}
d11e9c49	174	case 16:
190e4503 MD	175	{
	176	uint16_t v = integer_definition->value._unsigned;
	177
	178	if (rbo)
	179	v = GUINT16_SWAP_LE_BE(v);
	180	memcpy(ctf_get_pos_addr(pos), &v, sizeof(v));
d11e9c49	181	break;
190e4503	182	}
d11e9c49	183	case 32:
190e4503 MD	184	{
	185	uint32_t v = integer_definition->value._unsigned;
	186
	187	if (rbo)
	188	v = GUINT32_SWAP_LE_BE(v);
	189	memcpy(ctf_get_pos_addr(pos), &v, sizeof(v));
d11e9c49	190	break;
190e4503	191	}
d11e9c49	192	case 64:
190e4503 MD	193	{
	194	uint64_t v = integer_definition->value._unsigned;
	195
	196	if (rbo)
	197	v = GUINT64_SWAP_LE_BE(v);
	198	memcpy(ctf_get_pos_addr(pos), &v, sizeof(v));
d11e9c49	199	break;
190e4503	200	}
d11e9c49 MD	201	default:
	202	assert(0);
	203	}
	204	} else {
d11e9c49	205	switch (integer_declaration->len) {
190e4503 MD	206	case 8:
	207	{
	208	uint8_t v = integer_definition->value._signed;
	209
	210	memcpy(ctf_get_pos_addr(pos), &v, sizeof(v));
d11e9c49	211	break;
190e4503	212	}
d11e9c49	213	case 16:
190e4503 MD	214	{
	215	int16_t v = integer_definition->value._signed;
	216
	217	if (rbo)
	218	v = GUINT16_SWAP_LE_BE(v);
	219	memcpy(ctf_get_pos_addr(pos), &v, sizeof(v));
d11e9c49	220	break;
190e4503	221	}
d11e9c49	222	case 32:
190e4503 MD	223	{
	224	int32_t v = integer_definition->value._signed;
	225
	226	if (rbo)
	227	v = GUINT32_SWAP_LE_BE(v);
	228	memcpy(ctf_get_pos_addr(pos), &v, sizeof(v));
d11e9c49	229	break;
190e4503	230	}
d11e9c49	231	case 64:
190e4503 MD	232	{
	233	int64_t v = integer_definition->value._signed;
	234
	235	if (rbo)
	236	v = GUINT64_SWAP_LE_BE(v);
	237	memcpy(ctf_get_pos_addr(pos), &v, sizeof(v));
d11e9c49	238	break;
190e4503	239	}
d11e9c49 MD	240	default:
	241	assert(0);
	242	}
6dc2ca62 MD	243	}
6dc2ca62 MD	244	end:
70fd5a51 MD	245	if (!ctf_move_pos(pos, integer_declaration->len))
70fd5a51 MD	246	return -EFAULT;
c5e74408	247	return 0;
6dc2ca62 MD	248	}
6dc2ca62 MD	249
0d69b916	250	int ctf_integer_read(struct bt_stream_pos ppos, struct bt_definition definition)
6dc2ca62	251	{
d11e9c49 MD	252	struct definition_integer *integer_definition =
	253	container_of(definition, struct definition_integer, p);
	254	const struct declaration_integer *integer_declaration =
	255	integer_definition->declaration;
46322b33	256	struct ctf_stream_pos *pos = ctf_pos(ppos);
6dc2ca62	257
5385cf15 MD	258	if (!(integer_declaration->p.alignment % CHAR_BIT)
5385cf15 MD	259	&& !(integer_declaration->len % CHAR_BIT)) {
c5e74408	260	return _aligned_integer_read(ppos, definition);
5385cf15 MD	261	}
5385cf15 MD	262
70fd5a51 MD	263	if (!ctf_align_pos(pos, integer_declaration->p.alignment))
70fd5a51 MD	264	return -EFAULT;
c5e74408 MD	265
	266	if (!ctf_pos_access_ok(pos, integer_declaration->len))
	267	return -EFAULT;
	268
d11e9c49 MD	269	if (!integer_declaration->signedness) {
d11e9c49 MD	270	if (integer_declaration->byte_order == LITTLE_ENDIAN)
47415068	271	bt_bitfield_read_le(mmap_align_addr(pos->base_mma) +
190e4503	272	pos->mmap_base_offset, unsigned char,
d11e9c49 MD	273	pos->offset, integer_declaration->len,
	274	&integer_definition->value._unsigned);
	275	else
47415068	276	bt_bitfield_read_be(mmap_align_addr(pos->base_mma) +
190e4503	277	pos->mmap_base_offset, unsigned char,
d11e9c49 MD	278	pos->offset, integer_declaration->len,
	279	&integer_definition->value._unsigned);
	280	} else {
	281	if (integer_declaration->byte_order == LITTLE_ENDIAN)
47415068	282	bt_bitfield_read_le(mmap_align_addr(pos->base_mma) +
190e4503	283	pos->mmap_base_offset, unsigned char,
d11e9c49 MD	284	pos->offset, integer_declaration->len,
	285	&integer_definition->value._signed);
	286	else
47415068	287	bt_bitfield_read_be(mmap_align_addr(pos->base_mma) +
190e4503	288	pos->mmap_base_offset, unsigned char,
d11e9c49 MD	289	pos->offset, integer_declaration->len,
d11e9c49 MD	290	&integer_definition->value._signed);
6dc2ca62	291	}
70fd5a51 MD	292	if (!ctf_move_pos(pos, integer_declaration->len))
70fd5a51 MD	293	return -EFAULT;
c5e74408	294	return 0;
6dc2ca62	295	}
7fe00194	296
0d69b916	297	int ctf_integer_write(struct bt_stream_pos ppos, struct bt_definition definition)
7fe00194	298	{
d11e9c49 MD	299	struct definition_integer *integer_definition =
	300	container_of(definition, struct definition_integer, p);
	301	const struct declaration_integer *integer_declaration =
	302	integer_definition->declaration;
46322b33 MD	303	struct ctf_stream_pos *pos = ctf_pos(ppos);
46322b33 MD	304
5385cf15 MD	305	if (!(integer_declaration->p.alignment % CHAR_BIT)
5385cf15 MD	306	&& !(integer_declaration->len % CHAR_BIT)) {
c5e74408	307	return _aligned_integer_write(ppos, definition);
5385cf15 MD	308	}
5385cf15 MD	309
70fd5a51 MD	310	if (!ctf_align_pos(pos, integer_declaration->p.alignment))
70fd5a51 MD	311	return -EFAULT;
c5e74408 MD	312
	313	if (!ctf_pos_access_ok(pos, integer_declaration->len))
	314	return -EFAULT;
	315
7fe00194 MD	316	if (pos->dummy)
7fe00194 MD	317	goto end;
d11e9c49 MD	318	if (!integer_declaration->signedness) {
d11e9c49 MD	319	if (integer_declaration->byte_order == LITTLE_ENDIAN)
47415068	320	bt_bitfield_write_le(mmap_align_addr(pos->base_mma) +
190e4503	321	pos->mmap_base_offset, unsigned char,
d11e9c49 MD	322	pos->offset, integer_declaration->len,
	323	integer_definition->value._unsigned);
	324	else
47415068	325	bt_bitfield_write_be(mmap_align_addr(pos->base_mma) +
190e4503	326	pos->mmap_base_offset, unsigned char,
d11e9c49 MD	327	pos->offset, integer_declaration->len,
	328	integer_definition->value._unsigned);
	329	} else {
	330	if (integer_declaration->byte_order == LITTLE_ENDIAN)
47415068	331	bt_bitfield_write_le(mmap_align_addr(pos->base_mma) +
190e4503	332	pos->mmap_base_offset, unsigned char,
d11e9c49 MD	333	pos->offset, integer_declaration->len,
	334	integer_definition->value._signed);
	335	else
47415068	336	bt_bitfield_write_be(mmap_align_addr(pos->base_mma) +
190e4503	337	pos->mmap_base_offset, unsigned char,
d11e9c49 MD	338	pos->offset, integer_declaration->len,
	339	integer_definition->value._signed);
	340	}
7fe00194	341	end:
70fd5a51 MD	342	if (!ctf_move_pos(pos, integer_declaration->len))
70fd5a51 MD	343	return -EFAULT;
c5e74408	344	return 0;
7fe00194	345	}