* 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)
}
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);
- if (retval!=ERROR_OK)
+ if (retval != ERROR_OK)
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;
&&(isxdigit(buffer[5]))
&&(isxdigit(buffer[6]))
&&(buffer[7]=='0') /* record type : 00 -> 05 */
- &&(buffer[8]>='0')&&(buffer[8]<'6'))
+ &&(buffer[8]>='0') && (buffer[8]<'6'))
{
LOG_DEBUG("IHEX image detected.");
image->type = IMAGE_IHEX;
uint8_t cal_checksum = 0;
uint32_t bytes_read = 0;
- if (sscanf(&lpszLine[bytes_read], ":%2x%4x%2x", &count, &address, &record_type) != 3)
+ if (sscanf(&lpszLine[bytes_read], ":%2" SCNx32 "%4" SCNx32 "%2" SCNx32 , &count, &address, &record_type) != 3)
{
return ERROR_IMAGE_FORMAT_ERROR;
}
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];
/* but we must consume it, and do not create an error. */
while (count-- > 0)
{
- sscanf(&lpszLine[bytes_read], "%2x", &dummy);
+ sscanf(&lpszLine[bytes_read], "%2" SCNx32 , &dummy);
cal_checksum += (uint8_t)dummy;
bytes_read += 2;
}
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];
{
uint32_t start_address;
- sscanf(&lpszLine[bytes_read], "%8x", &start_address);
+ sscanf(&lpszLine[bytes_read], "%8" SCNx32, &start_address);
cal_checksum += (uint8_t)(start_address >> 24);
cal_checksum += (uint8_t)(start_address >> 16);
cal_checksum += (uint8_t)(start_address >> 8);
}
else
{
- LOG_ERROR("unhandled IHEX record type: %i", record_type);
+ LOG_ERROR("unhandled IHEX record type: %i", (int)record_type);
return ERROR_IMAGE_FORMAT_ERROR;
}
- sscanf(&lpszLine[bytes_read], "%2x", &checksum);
+ sscanf(&lpszLine[bytes_read], "%2" SCNx32 , &checksum);
bytes_read += 2;
if ((uint8_t)checksum != (uint8_t)(~cal_checksum + 1))
elf->header = malloc(sizeof(Elf32_Ehdr));
- if(elf->header == NULL)
+ if (elf->header == NULL)
{
LOG_ERROR("insufficient memory to perform operation ");
return ERROR_FILEIO_OPERATION_FAILED;
return ERROR_FILEIO_OPERATION_FAILED;
}
- if (strncmp((char*)elf->header->e_ident,ELFMAG,SELFMAG)!=0)
+ if (strncmp((char*)elf->header->e_ident,ELFMAG,SELFMAG) != 0)
{
LOG_ERROR("invalid ELF file, bad magic number");
return ERROR_IMAGE_FORMAT_ERROR;
}
elf->endianness = elf->header->e_ident[EI_DATA];
- if ((elf->endianness!=ELFDATA2LSB)
- &&(elf->endianness!=ELFDATA2MSB))
+ if ((elf->endianness != ELFDATA2LSB)
+ &&(elf->endianness != ELFDATA2MSB))
{
LOG_ERROR("invalid ELF file, unknown endianess setting");
return ERROR_IMAGE_FORMAT_ERROR;
}
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;
}
elf->segments = malloc(elf->segment_count*sizeof(Elf32_Phdr));
- if(elf->segments == NULL)
+ if (elf->segments == NULL)
{
LOG_ERROR("insufficient memory to perform operation ");
return ERROR_FILEIO_OPERATION_FAILED;
/* 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%x (sz=0x%x)",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%x at 0x%x",read_size,
- field32(elf,segment->p_offset)+offset);
+ LOG_DEBUG("read elf: size = 0x%" PRIx32 " at 0x%" PRIx32 "",read_size,
+ 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;
uint32_t bytes_read = 0;
/* get record type and record length */
- if (sscanf(&lpszLine[bytes_read], "S%1x%2x", &record_type, &count) != 2)
+ if (sscanf(&lpszLine[bytes_read], "S%1" SCNx32 "%2" SCNx32 , &record_type, &count) != 2)
{
return ERROR_IMAGE_FORMAT_ERROR;
}
}
else if (record_type >= 1 && record_type <= 3)
{
- switch( record_type )
+ switch (record_type)
{
case 1:
/* S1 - 16 bit address data record */
- sscanf(&lpszLine[bytes_read], "%4x", &address);
+ sscanf(&lpszLine[bytes_read], "%4" SCNx32, &address);
cal_checksum += (uint8_t)(address >> 8);
cal_checksum += (uint8_t)address;
bytes_read += 4;
case 2:
/* S2 - 24 bit address data record */
- sscanf(&lpszLine[bytes_read], "%6x", &address);
+ sscanf(&lpszLine[bytes_read], "%6" SCNx32 , &address);
cal_checksum += (uint8_t)(address >> 16);
cal_checksum += (uint8_t)(address >> 8);
cal_checksum += (uint8_t)address;
case 3:
/* S3 - 32 bit address data record */
- sscanf(&lpszLine[bytes_read], "%8x", &address);
+ sscanf(&lpszLine[bytes_read], "%8" SCNx32 , &address);
cal_checksum += (uint8_t)(address >> 24);
cal_checksum += (uint8_t)(address >> 16);
cal_checksum += (uint8_t)(address >> 8);
while (count-- > 0)
{
- sscanf(&lpszLine[bytes_read], "%2x", &dummy);
+ sscanf(&lpszLine[bytes_read], "%2" SCNx32 , &dummy);
cal_checksum += (uint8_t)dummy;
bytes_read += 2;
}
}
else
{
- LOG_ERROR("unhandled S19 record type: %i", record_type);
+ LOG_ERROR("unhandled S19 record type: %i", (int)(record_type));
return ERROR_IMAGE_FORMAT_ERROR;
}
/* account for checksum, will always be 0xFF */
- sscanf(&lpszLine[bytes_read], "%2x", &checksum);
+ sscanf(&lpszLine[bytes_read], "%2" SCNx32 , &checksum);
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");
{
/* 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;
+ 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;
/* don't read past the end of a section */
if (offset + size > image->sections[section].size)
{
- LOG_DEBUG("read past end of section: 0x%8.8x + 0x%8.8x > 0x%8.8x",
+ LOG_DEBUG("read past end of section: 0x%8.8" PRIx32 " + 0x%8.8" PRIx32 " > 0x%8.8" PRIx32 "",
offset, size, image->sections[section].size);
return ERROR_INVALID_ARGUMENTS;
}
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;
+ nbytes -= run;
while (run--)
{
/* as per gdb */