PTRACE_REG_PC
#define PTRACE_REG_PC(r) (r)->r_pc
#define PTRACE_REG_PC(r) (r)->r_regs[R_ZERO]
#define PTRACE_REG_PC(r) (r)->regs[_REG_RIP]
#define PTRACE_REG_PC(_r) (_r)->r_pc
#define PTRACE_REG_PC(r) (r)->r_pcoqh
#define PTRACE_REG_PC(r) (r)->r_eip
#define PTRACE_REG_PC(r) (r)->r_special.iip
#define PTRACE_REG_PC(r) (r)->r_pc
#define PTRACE_REG_PC(r) (r)->r_regs[35]
#define PTRACE_REG_PC(r) (r)->r_reg[31]
#define PTRACE_REG_PC(r) (r)->pc
#define PTRACE_REG_PC(r) (r)->r_pc
#define PTRACE_REG_PC(r) (r)->r_spc
#define PTRACE_REG_PC(r) ((unsigned long int)(r)->r_pc)
#define PTRACE_REG_PC(r) (r)->pc