50 	char code[MCOUNT_INSN_SIZE];
67 	calc.offset	= ftrace_calc_offset(ip + MCOUNT_INSN_SIZE, addr);  in ftrace_call_replace()
107 	unsigned char replaced[MCOUNT_INSN_SIZE];  in ftrace_modify_code_direct()
120 	if (probe_kernel_read(replaced, (void *)ip, MCOUNT_INSN_SIZE))  in ftrace_modify_code_direct()
124 	if (memcmp(replaced, old_code, MCOUNT_INSN_SIZE) != 0)  in ftrace_modify_code_direct()
130 	if (probe_kernel_write((void *)ip, new_code, MCOUNT_INSN_SIZE))  in ftrace_modify_code_direct()
234 	unsigned char old[MCOUNT_INSN_SIZE];  in update_ftrace_func()
237 	memcpy(old, (void *)ip, MCOUNT_INSN_SIZE);  in update_ftrace_func()
298 	regs->ip += MCOUNT_INSN_SIZE - 1;  in ftrace_int3_handler()
315 	unsigned char replaced[MCOUNT_INSN_SIZE];  in add_break()
318 	if (probe_kernel_read(replaced, (void *)ip, MCOUNT_INSN_SIZE))  in add_break()
324 	if (memcmp(replaced, old, MCOUNT_INSN_SIZE) != 0)  in add_break()
385 	unsigned char ins[MCOUNT_INSN_SIZE];  in remove_breakpoint()
392 	if (probe_kernel_read(ins, (void *)ip, MCOUNT_INSN_SIZE))  in remove_breakpoint()
405 	if (memcmp(&ins[1], &nop[1], MCOUNT_INSN_SIZE - 1) != 0) {  in remove_breakpoint()
415 		if (memcmp(&ins[1], &nop[1], MCOUNT_INSN_SIZE - 1) == 0)  in remove_breakpoint()
424 		if (memcmp(&ins[1], &nop[1], MCOUNT_INSN_SIZE - 1) != 0)  in remove_breakpoint()
437 	return ftrace_write(ip, new, MCOUNT_INSN_SIZE - 1);  in add_update_code()
674 	calc.offset	= ftrace_calc_offset(ip + MCOUNT_INSN_SIZE, addr);  in ftrace_jmp_replace()
770 	trampoline = alloc_tramp(size + MCOUNT_INSN_SIZE + sizeof(void *));  in create_trampoline()
774 	*tramp_size = size + MCOUNT_INSN_SIZE + sizeof(void *);  in create_trampoline()
787 	memcpy(trampoline + size, jmp, MCOUNT_INSN_SIZE);  in create_trampoline()
797 	ptr = (unsigned long *)(trampoline + size + MCOUNT_INSN_SIZE);  in create_trampoline()
886 	ret = probe_kernel_read(&calc, ptr, MCOUNT_INSN_SIZE);  in addr_from_call()
896 	return ptr + MCOUNT_INSN_SIZE + calc.offset;  in addr_from_call()