mirror of
https://github.com/oliverschmidt/contiki.git
synced 2024-12-22 10:30:13 +00:00
116 lines
3.6 KiB
C
116 lines
3.6 KiB
C
/*
|
|
* Copyright (c) 2006, Swedish Institute of Computer Science
|
|
* 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.
|
|
* 3. Neither the name of the Institute nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE 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 INSTITUTE 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.
|
|
*
|
|
*/
|
|
|
|
#ifndef CLE_H
|
|
#define CLE_H
|
|
|
|
/*
|
|
* The Contiki dynamic Link Editor (CLE) for small systems.
|
|
*/
|
|
|
|
/* These typedefs limits object file size! */
|
|
typedef uint16_t cle_off; /* Offset from start of file. */
|
|
typedef uint16_t cle_word;
|
|
typedef uint16_t cle_half;
|
|
|
|
/* Also used for address arithmetic (can't be void *). */
|
|
#ifdef __AVR__
|
|
typedef uint32_t cle_addr;
|
|
#else
|
|
typedef uintptr_t cle_addr;
|
|
#endif
|
|
|
|
typedef char cle_scratch[32];
|
|
|
|
struct cle_info {
|
|
cle_addr text;
|
|
void *data, *bss;
|
|
|
|
cle_off textrelaoff, datarelaoff;
|
|
cle_word textrelasize, datarelasize;
|
|
|
|
cle_off textoff, dataoff;
|
|
cle_word textsize, datasize, bsssize;
|
|
|
|
cle_off symtaboff, strtaboff;
|
|
cle_word symtabsize;
|
|
|
|
unsigned char text_shndx;
|
|
unsigned char data_shndx;
|
|
unsigned char bss_shndx;
|
|
unsigned char unused_shndx;
|
|
|
|
cle_scratch name; /* Scratch and errmsg buffer. */
|
|
};
|
|
|
|
int
|
|
cle_read_info(struct cle_info *info,
|
|
int (*read)(void *, int, off_t),
|
|
off_t hdr); /* Offset to start of file. */
|
|
|
|
int
|
|
cle_relocate(struct cle_info *info,
|
|
int (*read)(void *, int, off_t),
|
|
off_t hdr, /* Offset to start of file. */
|
|
void *segmem, /* Where segment is stored in memory. */
|
|
cle_off reloff, /* .rela.<segment> start */
|
|
cle_word relsize); /* .rela.<segment> size */
|
|
|
|
void *
|
|
cle_lookup(struct cle_info *info,
|
|
int (*read)(void *, int, off_t),
|
|
off_t hdr, /* Offset to start of file. */
|
|
const char *symbol);
|
|
|
|
struct elf32_rela; /* Struct forward decl. */
|
|
|
|
int cle_write_reloc(void *,
|
|
const struct elf32_rela *,
|
|
cle_addr,
|
|
const struct cle_info *);
|
|
|
|
/*
|
|
* Error codes that apply in general to linking and loading.
|
|
*/
|
|
#define CLE_OK 0
|
|
#define CLE_BAD_HEADER 1
|
|
#define CLE_NO_SYMTAB 2
|
|
#define CLE_NO_STRTAB 3
|
|
#define CLE_NO_TEXT 4
|
|
#define CLE_UNDEFINED 5
|
|
#define CLE_UNKNOWN_SEGMENT 6
|
|
#define CLE_NO_STARTPOINT 7
|
|
#define CLE_TEXT_TO_LARGE 8
|
|
#define CLE_DATA_TO_LARGE 9
|
|
#define CLE_UNKNOWN_RELOC 10
|
|
#define CLE_MULTIPLY_DEFINED 11
|
|
|
|
#endif /* CLE_H */
|