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esp_common: move stack check

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This commit is contained in:
Renz Bagaporo 2021-01-26 11:37:25 +08:00
parent 883aba20be
commit 840e2c0e50
2 changed files with 1 additions and 41 deletions
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40
components/esp_common/src/stack_check.c
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@ -1,40 +0,0 @@
// Copyright 2017 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "sdkconfig.h"
#include "esp_system.h"
#include "esp_rom_sys.h"
#if CONFIG_COMPILER_STACK_CHECK
#define LOG_LOCAL_LEVEL CONFIG_LOG_DEFAULT_LEVEL
#include "esp_log.h"
const static char *TAG = "stack_chk";
void *__stack_chk_guard = NULL;
static void __attribute__ ((constructor))
__esp_stack_guard_setup (void)
{
ESP_LOGD(TAG, "Intialize random stack guard");
__stack_chk_guard = (void *)esp_random();
}
void __stack_chk_fail (void)
{
esp_rom_printf("\r\nStack smashing protect failure!\r\n\r\n");
abort();
}
#endif

2
components/esp_system/component.mk
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@ -8,4 +8,4 @@ COMPONENT_ADD_LDFRAGMENTS += linker.lf
include $(COMPONENT_PATH)/port/soc/$(SOC_NAME)/component.mk
# disable stack protection in files which are involved in initialization of that feature
startup.o: CFLAGS := $(filter-out -fstack-protector%, $(CFLAGS))
startup.o stack_check.o: CFLAGS := $(filter-out -fstack-protector%, $(CFLAGS))