Merge branch 'bugfix/config_panic_gdbstub_build_issue_v4.0' into 'release/v4.0'

esp32_gdbstub: fix build error with esp32-2019r1 toolchain (v4.0)

See merge request espressif/esp-idf!5764

components/esp32/panic.c

@@ -429,6 +429,7 @@ static inline void disableAllWdts()
     TIMERG1.wdt_wprotect = 0;
 }
 
+#if CONFIG_ESP32_PANIC_PRINT_REBOOT || CONFIG_ESP32_PANIC_SILENT_REBOOT
 static void esp_panic_dig_reset() __attribute__((noreturn));
 
 static void esp_panic_dig_reset()
@@ -444,6 +445,7 @@ static void esp_panic_dig_reset()
         ;
     }
 }
+#endif
 
 static void putEntry(uint32_t pc, uint32_t sp)
 {

components/esp_gdbstub/src/gdbstub.c

@@ -205,12 +205,14 @@ static void handle_H_command(const unsigned char* cmd, int len)
         } else if (requested_task_index > s_scratch.task_count) {
             ret = "E00";
         } else {
-            TaskHandle_t handle;
+            TaskHandle_t handle = NULL;
             get_task_handle(requested_task_index, &handle);
             /* FIXME: for the task currently running on the other CPU, extracting the registers from TCB
              * isn't valid. Need to use some IPC mechanism to obtain the registers of the other CPU
              */
-            esp_gdbstub_tcb_to_regfile(handle, &s_scratch.regfile);
+            if (handle != NULL) {
+                esp_gdbstub_tcb_to_regfile(handle, &s_scratch.regfile);
+            }
         }
         esp_gdbstub_send_str_packet(ret);
     } else {