Now get_frame_info() wants to detect move sp instruction first. It assumes that the save ra in the stack instruction can't happen before allocating frame size space into the stack. Signed-off-by: Franck Bui-Huu <vagabon.xyz@xxxxxxxxx> --- arch/mips/kernel/process.c | 14 ++++++-------- 1 files changed, 6 insertions(+), 8 deletions(-) diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c index 8d0e4fa..333f0bb 100644 --- a/arch/mips/kernel/process.c +++ b/arch/mips/kernel/process.c @@ -317,17 +317,15 @@ static int get_frame_info(struct mips_fr if (is_jal_jalr_jr_ins(ip)) break; - if (is_sp_move_ins(ip)) { - if (info->frame_size) - continue; - info->frame_size = - ip->i_format.simmediate; + if (!info->frame_size) { + if (is_sp_move_ins(ip)) + info->frame_size = - ip->i_format.simmediate; + continue; } - - if (is_ra_save_ins(ip)) { - if (info->pc_offset != -1) - continue; + if (info->pc_offset == -1 && is_ra_save_ins(ip)) { info->pc_offset = ip->i_format.simmediate / sizeof(long); + break; } } if (info->frame_size && info->pc_offset >= 0) /* nested */ -- 1.4.2.rc2