Predefined Symbols and Processor Families

The following symbols are predefined for the ARM Cortex-M4 compiler:

• __APCS_INTERWORKING
  
• __BIG_ENDIAN
  
• __thumb, __thumb__
  
• __thumb2, __thumb2__
  
• __SEMIHOSTING
  
• __SOFTFP__
  
• __VFPV4__