Greg Ungerer b922bf04d2
binfmt_elf_fdpic: support 64-bit systems ...
The binfmt_flat_fdpic code has a number of 32-bit specific data
structures associated with it. Extend it to be able to support and
be used on 64-bit systems as well.
The new code defines a number of key 64-bit variants of the core
elf-fdpic data structures - along side the existing 32-bit sized ones.
A common set of generic named structures are defined to be either
the 32-bit or 64-bit ones as required at compile time. This is a
similar technique to that used in the ELF binfmt loader.
For example:
elf_fdpic_loadseg is either elf32_fdpic_loadseg or elf64_fdpic_loadseg
elf_fdpic_loadmap is either elf32_fdpic_loadmap or elf64_fdpic_loadmap
the choice based on ELFCLASS32 or ELFCLASS64.
Signed-off-by: Greg Ungerer <gerg@kernel.org >
Acked-by: Kees Cook <keescook@chromium.org >
Link: https://lore.kernel.org/r/20230711130754.481209-2-gerg@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com >
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Greg Ungerer
b922bf04d2