regdump
void regdump __P((regexp *));
void regdump(struct trapframe *);
uint8_t regdump[0x100];
for (reg = 0; reg < sizeof(regdump); reg++) {
regdump[reg] = RD1(tag, addr, reg);
hexdump(printf, pfx, regdump, sizeof(regdump));
regdump((struct trapframe *)fp, 128);
void regdump(int *, int);
regdump(frame.f_regs, 128);
void regdump(struct trapframe *, int);
regdump((struct trapframe *)fp, 128);