HOST_R9 25 arch/x86/um/ptrace_64.c [R9 >> 3] = HOST_R9, HOST_R9 14 arch/x86/um/shared/sysdep/ptrace_64.h #define REGS_R9(r) ((r)[HOST_R9]) HOST_R9 67 arch/x86/um/user-offsets.c DEFINE_LONGS(HOST_R9, R9);