On Fri, Oct 21, 2016 at 11:33:09PM +0300, Yury Norov wrote: > binfmt_ilp32.c is needed to handle ILP32 binaries > > Signed-off-by: Yury Norov <ynorov@xxxxxxxxxxxxxxxxxx> > Signed-off-by: Bamvor Zhang Jian <bamvor.zhangjian@xxxxxxxxxx> > --- > arch/arm64/include/asm/elf.h | 6 +++ > arch/arm64/kernel/Makefile | 1 + > arch/arm64/kernel/binfmt_ilp32.c | 97 ++++++++++++++++++++++++++++++++++++++++ > 3 files changed, 104 insertions(+) > create mode 100644 arch/arm64/kernel/binfmt_ilp32.c > > diff --git a/arch/arm64/include/asm/elf.h b/arch/arm64/include/asm/elf.h > index f259fe8..be29dde 100644 > --- a/arch/arm64/include/asm/elf.h > +++ b/arch/arm64/include/asm/elf.h > @@ -175,10 +175,16 @@ extern int arch_setup_additional_pages(struct linux_binprm *bprm, > > #define COMPAT_ELF_ET_DYN_BASE (2 * TASK_SIZE_32 / 3) > > +#ifndef USE_AARCH64_GREG > /* AArch32 registers. */ > #define COMPAT_ELF_NGREG 18 > typedef unsigned int compat_elf_greg_t; > typedef compat_elf_greg_t compat_elf_gregset_t[COMPAT_ELF_NGREG]; > +#else /* AArch64 registers for AARCH64/ILP32 */ > +#define COMPAT_ELF_NGREG ELF_NGREG > +#define compat_elf_greg_t elf_greg_t > +#define compat_elf_gregset_t elf_gregset_t > +#endif I think you only need compat_elf_gregset_t definition here and leave the other two undefined. -- Catalin -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html