GDB_MACH 25 arch/h8300/include/asm/kgdb.h GDB_MACH, GDB_MACL, GDB_MACH 12 arch/sh/include/asm/kgdb.h GDB_PC, GDB_PR, GDB_SR, GDB_GBR, GDB_MACH, GDB_MACL, GDB_VBR,