/*-
* Copyright (c) 2012,2013 Kai Wang
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: ld_utils.h 2908 2013-02-03 06:06:01Z kaiwang27 $
*/
#define READ_16(P,V) \
do { \
if (lo->lo_endian == ELFDATA2MSB) \
READ_16BE(P, V); \
else \
READ_16LE(P, V); \
} while (0)
#define READ_32(P,V) \
do { \
if (lo->lo_endian == ELFDATA2MSB) \
READ_32BE(P, V); \
else \
READ_32LE(P, V); \
} while (0)
#define READ_64(P,V) \
do { \
if (lo->lo_endian == ELFDATA2MSB) \
READ_64BE(P, V); \
else \
READ_64LE(P, V); \
} while (0)
#define READ_16BE(P,V) \
do { \
(V) = ((P)[0] << 8) | (P)[1]; \
} while (0)
#define READ_32BE(P,V) \
do { \
(V) = ((unsigned)(P)[0] << 24) | ((P)[1] << 16) | \
((P)[2] << 8) | (P)[3]; \
} while (0)
#define READ_64BE(P,V) \
do { \
(V) = ((uint64_t)(P)[0] << 56) | \
((uint64_t)(P)[1] << 48) | \
((uint64_t)(P)[2] << 40) | \
((uint64_t)(P)[3] << 32) | \
((uint64_t)(P)[4] << 24) | \
((uint64_t)(P)[5] << 16) | \
((uint64_t)(P)[6] << 8) | (P)[7]; \
} while (0)
#define READ_16LE(P,V) \
do { \
(V) = ((P)[1] << 8) | (P)[0]; \
} while (0)
#define READ_32LE(P,V) \
do { \
(V) = ((unsigned)(P)[3] << 24) | ((P)[2] << 16) | \
((P)[1] << 8) | (P)[0]; \
} while (0)
#define READ_64LE(P,V) \
do { \
(V) = ((uint64_t)(P)[7] << 56) | \
((uint64_t)(P)[6] << 48) | \
((uint64_t)(P)[5] << 40) | \
((uint64_t)(P)[4] << 32) | \
((uint64_t)(P)[3] << 24) | \
((uint64_t)(P)[2] << 16) | \
((uint64_t)(P)[1] << 8) | (P)[0]; \
} while (0)
#define WRITE_8(P,V) \
do { \
*(P) = (V) & 0xff; \
} while (0)
#define WRITE_16(P,V) \
do { \
if (lo->lo_endian == ELFDATA2MSB) \
WRITE_16BE(P, V); \
else \
WRITE_16LE(P, V); \
} while (0)
#define WRITE_32(P,V) \
do { \
if (lo->lo_endian == ELFDATA2MSB) \
WRITE_32BE(P, V); \
else \
WRITE_32LE(P, V); \
} while (0)
#define WRITE_64(P,V) \
do { \
if (lo->lo_endian == ELFDATA2MSB) \
WRITE_64BE(P, V); \
else \
WRITE_64LE(P, V); \
} while (0)
#define WRITE_16BE(P,V) \
do { \
(P)[0] = ((V) >> 8) & 0xff; \
(P)[1] = (V) & 0xff; \
} while (0)
#define WRITE_32BE(P,V) \
do { \
(P)[0] = ((V) >> 24) & 0xff; \
(P)[1] = ((V) >> 16) & 0xff; \
(P)[2] = ((V) >> 8) & 0xff; \
(P)[3] = (V) & 0xff; \
} while (0)
#define WRITE_64BE(P,V) \
do { \
WRITE_32BE((P),(V) >> 32); \
WRITE_32BE((P) + 4, (V) & 0xffffffffU); \
} while (0)
#define WRITE_16LE(P,V) \
do { \
(P)[0] = (V) & 0xff; \
(P)[1] = ((V) >> 8) & 0xff; \
} while (0)
#define WRITE_32LE(P,V) \
do { \
(P)[0] = (V) & 0xff; \
(P)[1] = ((V) >> 8) & 0xff; \
(P)[2] = ((V) >> 16) & 0xff; \
(P)[3] = ((V) >> 24) & 0xff; \
} while (0)
#define WRITE_64LE(P,V) \
do { \
WRITE_32LE((P), (V) & 0xffffffffU); \
WRITE_32LE((P) + 4, (V) >> 32); \
} while (0)
