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Hybrid 32-bit BIOS and 64-bit UEFI binaries (such as wimboot) may include R_X86_64_32 relocation records for the 32-bit BIOS portions. These should be ignored when generating PE relocation records, since they apply only to code that cannot be executed within the context of the 64-bit UEFI binary, and creating a 4-byte relocation record is invalid in a binary that may be relocated anywhere within the 64-bit address space (see commit 907cffb "[efi] Disallow R_X86_64_32 relocations"). Add a "--hybrid" option to elf2efi, which will cause R_X86_64_32 relocation records to be silently discarded. Signed-off-by: Michael Brown <mcb30@ipxe.org>
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