PROLOGUE_SIZE
#define OPCODE_BUFSIZE (PROLOGUE_SIZE + 1 + EPILOGUE_SIZE)
unsigned long prologue = regs->ip - PROLOGUE_SIZE;
printk("%sCode: %" __stringify(PROLOGUE_SIZE) "ph <%02x> %"
opcodes[PROLOGUE_SIZE], opcodes + PROLOGUE_SIZE + 1);
BUILD_BUG_ON(cnt != PROLOGUE_SIZE);
EMIT3(0x83, add_1reg(0xC0, IA32_EDX), PROLOGUE_SIZE);