* Copyright (C) 2007 by Dominic Rath *
* Dominic.Rath@gmx.de *
* *
- * Copyright (C) 2007,2008 Øyvind Harboe *
+ * Copyright (C) 2007,2008 Øyvind Harboe *
* oyvind.harboe@zylin.com *
* *
* Copyright (C) 2008 by Spencer Oliver *
* spen@spen-soft.co.uk *
* *
+ * Copyright (C) 2009 by Franck Hereson *
+ * franck.hereson@secad.fr *
+ * *
* 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; either version 2 of the License, or *
/* convert ELF header field to host endianness */
#define field16(elf,field)\
- ((elf->endianness==ELFDATA2LSB)? \
+ ((elf->endianness == ELFDATA2LSB)? \
le_to_h_u16((uint8_t*)&field):be_to_h_u16((uint8_t*)&field))
#define field32(elf,field)\
- ((elf->endianness==ELFDATA2LSB)? \
+ ((elf->endianness == ELFDATA2LSB)? \
le_to_h_u32((uint8_t*)&field):be_to_h_u32((uint8_t*)&field))
-static int autodetect_image_type(image_t *image, char *url)
+static int autodetect_image_type(image_t *image, const char *url)
{
int retval;
- fileio_t fileio;
+ struct fileio fileio;
uint32_t read_bytes;
uint8_t buffer[9];
}
retval = fileio_read(&fileio, 9, buffer, &read_bytes);
- if (retval==ERROR_OK)
+ if (retval == ERROR_OK)
{
if (read_bytes != 9)
{
- retval=ERROR_FILEIO_OPERATION_FAILED;
+ retval = ERROR_FILEIO_OPERATION_FAILED;
}
}
fileio_close(&fileio);
return retval;
/* check header against known signatures */
- if (strncmp((char*)buffer,ELFMAG,SELFMAG)==0)
+ if (strncmp((char*)buffer,ELFMAG,SELFMAG) == 0)
{
LOG_DEBUG("ELF image detected.");
image->type = IMAGE_ELF;
return ERROR_OK;
}
-static int identify_image_type(image_t *image, char *type_string, char *url)
+static int identify_image_type(image_t *image, const char *type_string, const char *url)
{
if (type_string)
{
static int image_ihex_buffer_complete(image_t *image)
{
image_ihex_t *ihex = image->type_private;
- fileio_t *fileio = &ihex->fileio;
+ struct fileio *fileio = &ihex->fileio;
uint32_t full_address = 0x0;
uint32_t cooked_bytes;
int i;
if (section[image->num_sections].size != 0)
{
image->num_sections++;
+ if (image->num_sections >= IMAGE_MAX_SECTIONS)
+ {
+ /* too many sections */
+ LOG_ERROR("Too many sections found in IHEX file");
+ return ERROR_IMAGE_FORMAT_ERROR;
+ }
section[image->num_sections].size = 0x0;
section[image->num_sections].flags = 0;
section[image->num_sections].private = &ihex->buffer[cooked_bytes];
if (section[image->num_sections].size != 0)
{
image->num_sections++;
+ if (image->num_sections >= IMAGE_MAX_SECTIONS)
+ {
+ /* too many sections */
+ LOG_ERROR("Too many sections found in IHEX file");
+ return ERROR_IMAGE_FORMAT_ERROR;
+ }
section[image->num_sections].size = 0x0;
section[image->num_sections].flags = 0;
section[image->num_sections].private = &ihex->buffer[cooked_bytes];
if (section[image->num_sections].size != 0)
{
image->num_sections++;
+ if (image->num_sections >= IMAGE_MAX_SECTIONS)
+ {
+ /* too many sections */
+ LOG_ERROR("Too many sections found in IHEX file");
+ return ERROR_IMAGE_FORMAT_ERROR;
+ }
section[image->num_sections].size = 0x0;
section[image->num_sections].flags = 0;
section[image->num_sections].private = &ihex->buffer[cooked_bytes];
}
elf->segment_count = field16(elf,elf->header->e_phnum);
- if (elf->segment_count==0)
+ if (elf->segment_count == 0)
{
LOG_ERROR("invalid ELF file, no program headers");
return ERROR_IMAGE_FORMAT_ERROR;
/* count useful segments (loadable), ignore BSS section */
image->num_sections = 0;
- for (i=0;i<elf->segment_count;i++)
+ for (i = 0;i < elf->segment_count;i++)
if ((field32(elf, elf->segments[i].p_type) == PT_LOAD) && (field32(elf, elf->segments[i].p_filesz) != 0))
image->num_sections++;
/* alloc and fill sections array with loadable segments */
image->sections = malloc(image->num_sections * sizeof(image_section_t));
- for (i=0,j=0;i<elf->segment_count;i++)
+ for (i = 0,j = 0;i < elf->segment_count;i++)
{
if ((field32(elf, elf->segments[i].p_type) == PT_LOAD) && (field32(elf, elf->segments[i].p_filesz) != 0))
{
*size_read = 0;
- LOG_DEBUG("load segment %d at 0x%" PRIx32 " (sz=0x%" PRIx32 ")",section,offset,size);
+ LOG_DEBUG("load segment %d at 0x%" PRIx32 " (sz = 0x%" PRIx32 ")",section,offset,size);
/* read initialized data in current segment if any */
- if (offset<field32(elf,segment->p_filesz))
+ if (offset < field32(elf,segment->p_filesz))
{
/* maximal size present in file for the current segment */
read_size = MIN(size, field32(elf,segment->p_filesz)-offset);
LOG_DEBUG("read elf: size = 0x%" PRIx32 " at 0x%" PRIx32 "",read_size,
- field32(elf,segment->p_offset)+offset);
+ field32(elf,segment->p_offset) + offset);
/* read initialized area of the segment */
- if ((retval = fileio_seek(&elf->fileio, field32(elf,segment->p_offset)+offset)) != ERROR_OK)
+ if ((retval = fileio_seek(&elf->fileio, field32(elf,segment->p_offset) + offset)) != ERROR_OK)
{
LOG_ERROR("cannot find ELF segment content, seek failed");
return retval;
static int image_mot_buffer_complete(image_t *image)
{
image_mot_t *mot = image->type_private;
- fileio_t *fileio = &mot->fileio;
+ struct fileio *fileio = &mot->fileio;
uint32_t full_address = 0x0;
uint32_t cooked_bytes;
int i;
}
else if (record_type >= 1 && record_type <= 3)
{
- switch ( record_type )
+ switch (record_type)
{
case 1:
/* S1 - 16 bit address data record */
cal_checksum += (uint8_t)checksum;
bytes_read += 2;
- if ( cal_checksum != 0xFF )
+ if (cal_checksum != 0xFF)
{
/* checksum failed */
LOG_ERROR("incorrect record checksum found in S19 file");
return ERROR_IMAGE_FORMAT_ERROR;
}
-int image_open(image_t *image, char *url, char *type_string)
+int image_open(image_t *image, const char *url, const char *type_string)
{
int retval = ERROR_OK;
{
/* relocate */
int section;
- for (section=0; section < image->num_sections; section++)
+ for (section = 0; section < image->num_sections; section++)
{
image->sections[section].base_address += image->base_address;
}
/* we're done relocating. The two statements below are mainly
* for documenation purposes: stop anyone from empirically
* thinking they should use these values henceforth. */
- image->base_address=0;
- image->base_address_set=0;
+ image->base_address = 0;
+ image->base_address_set = 0;
}
return retval;
memcpy(buffer + *size_read,
image_memory->cache + (address - image_memory->cache_address),
(size_in_cache > size) ? size : size_in_cache
- );
+);
*size_read += (size_in_cache > size) ? size : size_in_cache;
address += (size_in_cache > size) ? size : size_in_cache;
crc32_table[i] = c;
}
- while (nbytes>0)
+ while (nbytes > 0)
{
- int run=nbytes;
- if (run>32768)
+ int run = nbytes;
+ if (run > 32768)
{
- run=32768;
+ run = 32768;
}
nbytes -= run;
while (run--)