PTRACE_REG_SP
#define PTRACE_REG_SP(r) (r)->r_sp
#define PTRACE_REG_SP(r) (r)->r_regs[R_SP]
#define PTRACE_REG_SP(r) (r)->regs[_REG_RSP]
#define PTRACE_REG_SP(_r) (_r)->r_sp
#define PTRACE_REG_SP(r) (r)->r_regs[30]
#define PTRACE_REG_SP(r) (r)->r_esp
#define PTRACE_REG_SP(r) (r)->r_special.sp
#define PTRACE_REG_SP(r) (r)->r_regs[15]
#define PTRACE_REG_SP(r) (r)->r_regs[29]
#define PTRACE_REG_SP(r) (r)->r_reg[11]
#define PTRACE_REG_SP(r) (r)->fixreg[1]
#define PTRACE_REG_SP(r) (r)->r_reg[_X_SP]
#define PTRACE_REG_SP(r) (r)->r_r15
#define PTRACE_REG_SP(r) ((unsigned long int)(r)->r_out[6])
#define PTRACE_REG_SP(r) (r)->sp