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rockchip: make_fit_atf: ignore empty PT_LOAD segment

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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>
This commit is contained in:
Heinrich Schuchardt 2020-09-15 03:43:29 +02:00 committed by Kever Yang
parent 454b792afe
commit 5b861eea79
1 changed files with 3 additions and 2 deletions
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5
arch/arm/mach-rockchip/make_fit_atf.py
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@ -189,8 +189,9 @@ def unpack_elf(filename):
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():