PT_B1 1925 arch/ia64/kernel/ptrace.c (addr >= PT_R7 + 8 && addr < PT_B1) || PT_B1 1967 arch/ia64/kernel/ptrace.c case PT_B1 ... PT_B5: PT_B1 1968 arch/ia64/kernel/ptrace.c pos = addr - PT_B1 + ELF_BR_OFFSET(1);