tools/objtool/cfi.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright (C) 2015-2017 Josh Poimboeuf <jpoimboe@redhat.com>
 */

#ifndef _OBJTOOL_CFI_H
#define _OBJTOOL_CFI_H

#define CFI_UNDEFINED		-1
#define CFI_CFA			-2
#define CFI_SP_INDIRECT		-3
#define CFI_BP_INDIRECT		-4

#define CFI_AX			0
#define CFI_DX			1
#define CFI_CX			2
#define CFI_BX			3
#define CFI_SI			4
#define CFI_DI			5
#define CFI_BP			6
#define CFI_SP			7
#define CFI_R8			8
#define CFI_R9			9
#define CFI_R10			10
#define CFI_R11			11
#define CFI_R12			12
#define CFI_R13			13
#define CFI_R14			14
#define CFI_R15			15
#define CFI_RA			16
#define CFI_NUM_REGS		17

struct cfi_reg {
	int base;
	int offset;
};

struct cfi_state {
	struct cfi_reg cfa;
	struct cfi_reg regs[CFI_NUM_REGS];
};

#endif /* _OBJTOOL_CFI_H */