From: Guo Ren <ren_guo@xxxxxxxxx> In gdb/bfd elf32-csky.c, csky_elf_grok_prstatus() use fixed size of elf_prstatus. It's 148 for abiv1 and 220 for abiv2, the size is enough for coredump and no need full sizeof(struct pt_regs). Signed-off-by: Guo Ren <ren_guo@xxxxxxxxx> Reported-by: Lu Baoquan <lu.baoquan@xxxxxxxxxxxx> Reported-by: Liu Mao <liu.mao@xxxxxxxxxxxx> --- arch/csky/include/asm/elf.h | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/arch/csky/include/asm/elf.h b/arch/csky/include/asm/elf.h index 48b5366..d6dbc00 100644 --- a/arch/csky/include/asm/elf.h +++ b/arch/csky/include/asm/elf.h @@ -31,7 +31,12 @@ typedef unsigned long elf_greg_t; typedef struct user_fp elf_fpregset_t; -#define ELF_NGREG (sizeof(struct pt_regs) / sizeof(elf_greg_t)) +/* + * In gdb/bfd elf32-csky.c, csky_elf_grok_prstatus() use fixed size of + * elf_prstatus. It's 148 for abiv1 and 220 for abiv2, the size is enough + * for coredump and no need full sizeof(struct pt_regs). + */ +#define ELF_NGREG ((sizeof(struct pt_regs) / sizeof(elf_greg_t)) - 2) typedef elf_greg_t elf_gregset_t[ELF_NGREG]; -- 2.7.4
