rockchip: make_fit_atf: ignore empty PT_LOAD segment
The linker sometimes creates PT_LOAD segments with length (p_filesz) zero
as described in https://man7.org/linux/man-pages/man5/elf.5.html. This
leads to build failures. We should ignore empty segments.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Tested-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/arch/arm/mach-rockchip/make_fit_atf.py b/arch/arm/mach-rockchip/make_fit_atf.py
index d15c32b..f3224d2 100755
--- a/arch/arm/mach-rockchip/make_fit_atf.py
+++ b/arch/arm/mach-rockchip/make_fit_atf.py
@@ -189,8 +189,9 @@
p_type, p_flags, p_offset = struct.unpack_from('<LLQ', elf, offset)
if p_type == 1: # PT_LOAD
p_paddr, p_filesz = struct.unpack_from('<2Q', elf, offset + 0x18)
- p_data = elf[p_offset:p_offset + p_filesz]
- segments.append((index, e_entry, p_paddr, p_data))
+ if p_filesz > 0:
+ p_data = elf[p_offset:p_offset + p_filesz]
+ segments.append((index, e_entry, p_paddr, p_data))
return segments
def main():