diff options
Diffstat (limited to 'poky/scripts/relocate_sdk.py')
-rwxr-xr-x | poky/scripts/relocate_sdk.py | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/poky/scripts/relocate_sdk.py b/poky/scripts/relocate_sdk.py index 8c0fdb986a..4ed8bfc0d1 100755 --- a/poky/scripts/relocate_sdk.py +++ b/poky/scripts/relocate_sdk.py @@ -30,9 +30,16 @@ else: old_prefix = re.compile(b("##DEFAULT_INSTALL_DIR##")) def get_arch(): + global endian_prefix f.seek(0) e_ident =f.read(16) - ei_mag0,ei_mag1_3,ei_class = struct.unpack("<B3sB11x", e_ident) + ei_mag0,ei_mag1_3,ei_class,ei_data,ei_version = struct.unpack("<B3sBBB9x", e_ident) + + # ei_data = 1 for little-endian & 0 for big-endian + if ei_data == 1: + endian_prefix = '<' + else: + endian_prefix = '>' if (ei_mag0 != 0x7f and ei_mag1_3 != "ELF") or ei_class == 0: return 0 @@ -51,11 +58,11 @@ def parse_elf_header(): if arch == 32: # 32bit - hdr_fmt = "<HHILLLIHHHHHH" + hdr_fmt = endian_prefix + "HHILLLIHHHHHH" hdr_size = 52 else: # 64bit - hdr_fmt = "<HHIQQQIHHHHHH" + hdr_fmt = endian_prefix + "HHIQQQIHHHHHH" hdr_size = 64 e_type, e_machine, e_version, e_entry, e_phoff, e_shoff, e_flags,\ @@ -64,9 +71,9 @@ def parse_elf_header(): def change_interpreter(elf_file_name): if arch == 32: - ph_fmt = "<IIIIIIII" + ph_fmt = endian_prefix + "IIIIIIII" else: - ph_fmt = "<IIQQQQQQ" + ph_fmt = endian_prefix + "IIQQQQQQ" """ look for PT_INTERP section """ for i in range(0,e_phnum): @@ -105,17 +112,17 @@ def change_interpreter(elf_file_name): def change_dl_sysdirs(elf_file_name): if arch == 32: - sh_fmt = "<IIIIIIIIII" + sh_fmt = endian_prefix + "IIIIIIIIII" else: - sh_fmt = "<IIQQQQIIQQ" + sh_fmt = endian_prefix + "IIQQQQIIQQ" """ read section string table """ f.seek(e_shoff + e_shstrndx * e_shentsize) sh_hdr = f.read(e_shentsize) if arch == 32: - sh_offset, sh_size = struct.unpack("<16xII16x", sh_hdr) + sh_offset, sh_size = struct.unpack(endian_prefix + "16xII16x", sh_hdr) else: - sh_offset, sh_size = struct.unpack("<24xQQ24x", sh_hdr) + sh_offset, sh_size = struct.unpack(endian_prefix + "24xQQ24x", sh_hdr) f.seek(sh_offset) sh_strtab = f.read(sh_size) |