stm32f413xh: add crash capture support for GCC_ARM

Author: sethitow

targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F413xH/device/TOOLCHAIN_GCC_ARM/STM32F413xH.ld

@@ -12,6 +12,8 @@
 
 STACK_SIZE = MBED_BOOT_STACK_SIZE;
 
+M_CRASH_DATA_RAM_SIZE = 0x100;
+
 /* Linker script to configure memory regions. */
 MEMORY
 { 
@@ -91,6 +93,18 @@ SECTIONS
     __etext = .;
     _sidata = .;
 
+    .crash_data_ram :
+    {
+        . = ALIGN(8);
+        __CRASH_DATA_RAM__ = .;
+        __CRASH_DATA_RAM_START__ = .; /* Create a global symbol at data start */
+        KEEP(*(.keep.crash_data_ram))
+        *(.m_crash_data_ram)     /* This is a user defined section */
+        . += M_CRASH_DATA_RAM_SIZE;
+        . = ALIGN(8);
+        __CRASH_DATA_RAM_END__ = .; /* Define a global symbol at data end */
+    } > RAM
+
     .data : AT (__etext)
     {
         __data_start__ = .;