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| author | Ovidiu Panait <ovpanait@gmail.com> | 2023-03-11 19:38:35 +0200 |
|---|---|---|
| committer | Michal Simek <michal.simek@amd.com> | 2023-03-13 11:46:17 +0100 |
| commit | 424f04fcd9ab7b2c19521605827e2453dd79c3e2 (patch) | |
| tree | d6daf542cd056c0359e2aece99d40274ae7b3f04 /tools/relocate-rela.c | |
| parent | 26c8c1bd12617aab0480d0a559194e4e0631e637 (diff) | |
| download | u-boot-424f04fcd9ab7b2c19521605827e2453dd79c3e2.zip u-boot-424f04fcd9ab7b2c19521605827e2453dd79c3e2.tar.gz u-boot-424f04fcd9ab7b2c19521605827e2453dd79c3e2.tar.bz2 | |
tools: relocate-rela: introduce elf16_to_cpu() and elf32_to_cpu()
Add elf16_to_cpu() and elf32_to_cpu() functions that allow to read data in
both big-endian and little-endian formats.
Reviewed-by: Michal Simek <michal.simek@amd.com>
Signed-off-by: Ovidiu Panait <ovpanait@gmail.com>
Link: https://lore.kernel.org/r/20230311173838.521804-2-ovpanait@gmail.com
Signed-off-by: Michal Simek <michal.simek@amd.com>
Diffstat (limited to 'tools/relocate-rela.c')
| -rw-r--r-- | tools/relocate-rela.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/tools/relocate-rela.c b/tools/relocate-rela.c index 689e2d4..b27c41b 100644 --- a/tools/relocate-rela.c +++ b/tools/relocate-rela.c @@ -45,6 +45,7 @@ #endif static int ei_class; +static int ei_data; static uint64_t rela_start, rela_end, text_base, dyn_start; @@ -61,6 +62,22 @@ static void debug(const char *fmt, ...) } } +static uint16_t elf16_to_cpu(uint16_t data) +{ + if (ei_data == ELFDATA2LSB) + return le16_to_cpu(data); + + return be16_to_cpu(data); +} + +static uint32_t elf32_to_cpu(uint32_t data) +{ + if (ei_data == ELFDATA2LSB) + return le32_to_cpu(data); + + return be32_to_cpu(data); +} + static bool supported_rela(Elf64_Rela *rela) { uint64_t mask = 0xffffffffULL; /* would be different on 32-bit */ @@ -384,6 +401,9 @@ static int decode_elf(char **argv) ei_class = e_ident[4]; debug("EI_CLASS(1=32bit, 2=64bit) %d\n", ei_class); + ei_data = e_ident[5]; + debug("EI_DATA(1=little endian, 2=big endian) %d\n", ei_data); + if (ei_class == 2) return decode_elf64(felf, argv); |