Dave Johnson wrote: > > Building for 64bit kernel with 32bit ELF format produces the correct > object files for loading, but attempting to load them produces > ENOEXEC. > > This is because the object file is failing ELF header checks in > load_module(). > > Elf_Ehdr in include/asm-mips/module.h is being defined as Elf64_Ehdr > based on CONFIG_MIPS64 instead of CONFIG_BUILD_ELF64. > > elf_check_arch() also needs some fixing in include/asm-mips/elf.h as > it too is invoked from load_module(), however elf_check_arch() is also > used in binfmt_elf*.c. > > Simply changing the defines produces loads of warnings due to casting > pointers around in module.c. Any suggestions on the best way to fix > this? The plan is to obsolete 64bit kernel in 32bit ELF and use 64bit ELF with gcc -msym32 to get a similiar optimization. Thiemo
