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tools: relocate-rela: Fix BE symtab handling

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The symtab contains data in target endianness, convert the data to
native endianness before doing any operations and on them, and back
to target endianness before updating the bin file.

Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Tested-by: Michal Simek <michal.simek@amd.com> # microblaze, arm64
Reviewed-by: Angelo Dureghello <angelo@kernel-space.org>
This commit is contained in:
Marek Vasut 2023-07-31 00:16:52 +02:00 • committed by Angelo Dureghello
parent b53ab97150
commit 0ad3eef381
1 changed files with 14 additions and 4 deletions
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18
tools/relocate-rela.c
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@ -78,6 +78,14 @@ static uint32_t elf32_to_cpu(uint32_t data)
return be32_to_cpu(data);
}
static uint32_t cpu_to_elf32(uint32_t data)
{
if (ei_data == ELFDATA2LSB)
return cpu_to_le32(data);
return cpu_to_be32(data);
}
static bool supported_rela(Elf64_Rela *rela)
{
uint64_t mask = 0xffffffffULL; /* would be different on 32-bit */
@ -602,14 +610,16 @@ static int rela_elf32(char **argv, FILE *f)
}
debug("Symbol description:\n");
debug(" st_name:\t0x%x\n", symbols.st_name);
debug(" st_value:\t0x%x\n", symbols.st_value);
debug(" st_size:\t0x%x\n", symbols.st_size);
debug(" st_name:\t0x%x\n", elf32_to_cpu(symbols.st_name));
debug(" st_value:\t0x%x\n", elf32_to_cpu(symbols.st_value));
debug(" st_size:\t0x%x\n", elf32_to_cpu(symbols.st_size));
value = swrela.r_addend + symbols.st_value;
value = swrela.r_addend + elf32_to_cpu(symbols.st_value);
debug("Value:\t0x%x\n", value);
value = cpu_to_elf32(value);
if (fseek(f, addr, SEEK_SET) < 0) {
fprintf(stderr, "%s: %s: seek to %"
PRIx32 " failed: %s\n",