esp_common: move stack check

components/esp_system/CMakeLists.txt

@@ -14,7 +14,8 @@ set(srcs  "intr_alloc.c"
           "system_time.c"
           "sleep_modes.c"
           "task_wdt.c"
-          "int_wdt.c")
+          "int_wdt.c"
+          "stack_check.c")
 
 if(NOT (${target} STREQUAL "esp32c3") )
     list(APPEND srcs  "dbg_stubs.c")
@@ -43,7 +44,7 @@ endif()
 
 # Disable stack protection in files which are involved in initialization of that feature
 set_source_files_properties(
-    startup.c
+    "startup.c" "stack_check.c"
     PROPERTIES COMPILE_FLAGS
     -fno-stack-protector)
 

components/esp_system/stack_check.c

@@ -0,0 +1,40 @@
+// 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