regs_out           12 arch/um/include/shared/ptrace_user.h extern int ptrace_getregs(long pid, unsigned long *regs_out);
regs_out            9 arch/x86/um/ptrace_user.c int ptrace_getregs(long pid, unsigned long *regs_out)
regs_out           11 arch/x86/um/ptrace_user.c 	if (ptrace(PTRACE_GETREGS, pid, 0, regs_out) < 0)