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sbtools: fix handling of raw mode, have elf_write looks like elf_read, fix uninitiliazed offset of bss sections, add real key override on decrypt

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30858 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Amaury Pouly 2011-10-29 22:27:53 +00:00
parent fd187ad14c
commit 4cab9f26b6
3 changed files with 32 additions and 3 deletions
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8
utils/sbtools/elf.c
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@ -19,6 +19,7 @@
* *
****************************************************************************/ ****************************************************************************/
#include "elf.h" #include "elf.h"
#include "misc.h"
/** /**
* Definitions * Definitions
@ -219,7 +220,8 @@ void elf_add_fill_section(struct elf_params_t *params,
sec->pattern = pattern; sec->pattern = pattern;
} }
void elf_write_file(struct elf_params_t *params, elf_write_fn_t write, void *user) void elf_write_file(struct elf_params_t *params, elf_write_fn_t write,
elf_printf_fn_t printf, void *user)
{ {
Elf32_Ehdr ehdr; Elf32_Ehdr ehdr;
uint32_t phnum = 0; uint32_t phnum = 0;
@ -236,6 +238,10 @@ void elf_write_file(struct elf_params_t *params, elf_write_fn_t write, void *use
sec->offset = offset; sec->offset = offset;
offset += sec->size; offset += sec->size;
} }
else
{
sec->offset = 0;
}
phnum++; phnum++;
sec = sec->next; sec = sec->next;

2
utils/sbtools/elf.h
View file

@ -82,7 +82,7 @@ void elf_add_fill_section(struct elf_params_t *params,
uint32_t fill_addr, uint32_t size, uint32_t pattern); uint32_t fill_addr, uint32_t size, uint32_t pattern);
uint32_t elf_translate_virtual_address(struct elf_params_t *params, uint32_t addr); uint32_t elf_translate_virtual_address(struct elf_params_t *params, uint32_t addr);
void elf_translate_addresses(struct elf_params_t *params); void elf_translate_addresses(struct elf_params_t *params);
void elf_write_file(struct elf_params_t *params, elf_write_fn_t write, void *user); void elf_write_file(struct elf_params_t *params, elf_write_fn_t write, elf_printf_fn_t printf, void *user);
bool elf_read_file(struct elf_params_t *params, elf_read_fn_t read, elf_printf_fn_t printf, bool elf_read_file(struct elf_params_t *params, elf_read_fn_t read, elf_printf_fn_t printf,
void *user); void *user);
bool elf_is_empty(struct elf_params_t *params); bool elf_is_empty(struct elf_params_t *params);

25
utils/sbtools/sbtoelf.c
View file

@ -86,6 +86,17 @@ static uint8_t instruction_checksum(struct sb_instruction_header_t *hdr)
return sum; return sum;
} }
static void elf_printf(void *user, bool error, const char *fmt, ...)
{
if(!g_debug && !error)
return;
(void) user;
va_list args;
va_start(args, fmt);
vprintf(fmt, args);
va_end(args);
}
static void elf_write(void *user, uint32_t addr, const void *buf, size_t count) static void elf_write(void *user, uint32_t addr, const void *buf, size_t count)
{ {
FILE *f = user; FILE *f = user;
@ -105,7 +116,7 @@ static void extract_elf_section(struct elf_params_t *elf, int count, const char
if(fd == NULL) if(fd == NULL)
return ; return ;
elf_write_file(elf, elf_write, fd); elf_write_file(elf, elf_write, elf_printf, fd);
fclose(fd); fclose(fd);
} }
@ -481,6 +492,15 @@ static void extract(unsigned long filesize)
} }
} }
if(getenv("SB_REAL_KEY") != 0)
{
struct crypto_key_t k;
char *env = getenv("SB_REAL_KEY");
if(!parse_key(&env, &k) || *env)
bug("Invalid SB_REAL_KEY");
memcpy(real_key, k.u.key, 16);
}
color(RED); color(RED);
printf(" Summary:\n"); printf(" Summary:\n");
color(GREEN); color(GREEN);
@ -751,6 +771,9 @@ int main(int argc, char **argv)
add_keys(&g_zero_key, 1); add_keys(&g_zero_key, 1);
break; break;
} }
case 'r':
g_raw_mode = true;
break;
case 'a': case 'a':
{ {
struct crypto_key_t key; struct crypto_key_t key;