From cee8f252d70e664c198070ef60ddc15d06176dad Mon Sep 17 00:00:00 2001 From: Senthil Kumar Selvaraj Date: Tue, 4 Sep 2012 09:08:50 +0000 Subject: re PR target/54220 ([avr] Potential stack corruption in naked functions at -O0) PR target/54220 * config/avr/avr.c (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): New define to... (avr_allocate_stack_slots_for_args): ...this new static function. From-SVN: r190914 --- gcc/config/avr/avr.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'gcc/config/avr/avr.c') diff --git a/gcc/config/avr/avr.c b/gcc/config/avr/avr.c index c1753300..bab13a4 100644 --- a/gcc/config/avr/avr.c +++ b/gcc/config/avr/avr.c @@ -700,6 +700,16 @@ avr_regs_to_save (HARD_REG_SET *set) return count; } + +/* Implement `TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS' */ + +static bool +avr_allocate_stack_slots_for_args (void) +{ + return !cfun->machine->is_naked; +} + + /* Return true if register FROM can be eliminated via register TO. */ static bool @@ -11339,6 +11349,9 @@ avr_fold_builtin (tree fndecl, int n_args ATTRIBUTE_UNUSED, tree *arg, #undef TARGET_CAN_ELIMINATE #define TARGET_CAN_ELIMINATE avr_can_eliminate +#undef TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS +#define TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS avr_allocate_stack_slots_for_args + #undef TARGET_WARN_FUNC_RETURN #define TARGET_WARN_FUNC_RETURN avr_warn_func_return -- cgit v1.1