old mode 100755
new mode 100644
@@ -30,9 +30,10 @@ else:
old_prefix = re.compile(b("##DEFAULT_INSTALL_DIR##"))
def get_arch():
+ global ei_data
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)
if (ei_mag0 != 0x7f and ei_mag1_3 != "ELF") or ei_class == 0:
return 0
@@ -51,11 +52,17 @@ def parse_elf_header():
if arch == 32:
# 32bit
- hdr_fmt = "<HHILLLIHHHHHH"
+ if ei_data == 1: # ei_data = 1, little endian
+ hdr_fmt = "<HHILLLIHHHHHH"
+ else: # ei_data = 0, big endian
+ hdr_fmt = ">HHILLLIHHHHHH"
hdr_size = 52
else:
# 64bit
- hdr_fmt = "<HHIQQQIHHHHHH"
+ if ei_data == 1:
+ hdr_fmt = "<HHIQQQIHHHHHH"
+ else:
+ hdr_fmt = ">HHIQQQIHHHHHH"
hdr_size = 64
e_type, e_machine, e_version, e_entry, e_phoff, e_shoff, e_flags,\
@@ -64,9 +71,15 @@ def parse_elf_header():
def change_interpreter(elf_file_name):
if arch == 32:
- ph_fmt = "<IIIIIIII"
+ if ei_data == 1: # ei_data = 1, little endian
+ ph_fmt = "<IIIIIIII"
+ else: # ei_data = 0, big endian
+ ph_fmt = ">IIIIIIII"
else:
- ph_fmt = "<IIQQQQQQ"
+ if ei_data == 1:
+ ph_fmt = "<IIQQQQQQ"
+ else:
+ ph_fmt = ">IIQQQQQQ"
""" look for PT_INTERP section """
for i in range(0,e_phnum):
@@ -75,7 +88,7 @@ def change_interpreter(elf_file_name):
if arch == 32:
# 32bit
p_type, p_offset, p_vaddr, p_paddr, p_filesz,\
- p_memsz, p_flags, p_align = struct.unpack(ph_fmt, ph_hdr)
+ p_memsz, p_flags, p_align = struct.unpack(ph_fmt, ph_hdr)
else:
# 64bit
p_type, p_flags, p_offset, p_vaddr, p_paddr, \
@@ -105,17 +118,29 @@ def change_interpreter(elf_file_name):
def change_dl_sysdirs(elf_file_name):
if arch == 32:
- sh_fmt = "<IIIIIIIIII"
+ if ei_data == 1: # ei_data = 1, little endian
+ sh_fmt = "<IIIIIIIIII"
+ else: # ei_data = 0, big endian
+ sh_fmt = ">IIIIIIIIII"
else:
- sh_fmt = "<IIQQQQIIQQ"
+ if ei_data == 1:
+ sh_fmt = "<IIQQQQIIQQ"
+ else:
+ sh_fmt = ">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)
+ if ei_data == 1:
+ sh_offset, sh_size = struct.unpack("<16xII16x", sh_hdr)
+ else:
+ sh_offset, sh_size = struct.unpack(">16xII16x", sh_hdr)
else:
- sh_offset, sh_size = struct.unpack("<24xQQ24x", sh_hdr)
+ if ei_data == 1:
+ sh_offset, sh_size = struct.unpack("<24xQQ24x", sh_hdr)
+ else:
+ sh_offset, sh_size = struct.unpack(">24xQQ24x", sh_hdr)
f.seek(sh_offset)
sh_strtab = f.read(sh_size)
relocate_sdk.py was developed for little-endian architures and when tries to install SDK for big-endian machines errors like below will be shown. The changes made in the script to support big-endian architecture. Signed-off-by: Sundeep KOKKONDA <sundeep.kokkonda@gmail.com> --- scripts/relocate_sdk.py | 45 ++++++++++++++++++++++++++++++++--------- 1 file changed, 35 insertions(+), 10 deletions(-) mode change 100755 => 100644 scripts/relocate_sdk.py