How to get the start and end address of _DATA_GROUP_ in C program?

As title.
How to get the start and end address of _DATA_GROUP_ in C program?

As title.
how to determine the cause of HardFault

os_evt_wait_or(CHECK_EVENT_FLAGS, INFINITE_TIME); //Wait for an Event to occur rx_event = os_evt_get(); switch(rx_event) { case EVENT_INTERRUPT: if(chkflg) { dif = difftime(_gettime(), setalrm); if...
how to determine the cause of HardFault

os_evt_wait_or(CHECK_EVENT_FLAGS, INFINITE_TIME); //Wait for an Event to occur rx_event = os_evt_get(); switch(rx_event) { case EVENT_INTERRUPT: if(chkflg) { dif = difftime(_gettime(), setalrm); if...
How to determine the actual usage for XDATA?

Hello, I have a project with 512K flash for code and 64K SRAM for XDATA. After compiling with PK51, I got following infos about program size: "data=188.0 xdata=51140 const=166971 code=203033". ...