[mirror_ubuntu-hirsute-kernel.git] / 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

#include "cfi_regs.h"

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

struct cfi_reg {
	int base;
	int offset;
};

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

struct cfi_state {
	struct cfi_reg regs[CFI_NUM_REGS];
	struct cfi_reg vals[CFI_NUM_REGS];
	struct cfi_reg cfa;
	int stack_size;
	int drap_reg, drap_offset;
	unsigned char type;
	bool bp_scratch;
	bool drap;
	bool end;
};

#endif /* _OBJTOOL_CFI_H */
Commit	Line	Data
1ccea77e	1	/* SPDX-License-Identifier: GPL-2.0-or-later */
baa41469 JP	2	/*
baa41469 JP	3	* Copyright (C) 2015-2017 Josh Poimboeuf <jpoimboe@redhat.com>
baa41469 JP	4	*/
	5
	6	#ifndef _OBJTOOL_CFI_H
	7	#define _OBJTOOL_CFI_H
	8
6f8ca676 JT	9	#include "cfi_regs.h"
6f8ca676 JT	10
baa41469 JP	11	#define CFI_UNDEFINED -1
	12	#define CFI_CFA -2
	13	#define CFI_SP_INDIRECT -3
	14	#define CFI_BP_INDIRECT -4
	15
baa41469 JP	16	struct cfi_reg {
	17	int base;
	18	int offset;
	19	};
	20
a3608f59	21	struct cfi_init_state {
e7c0219b	22	struct cfi_reg regs[CFI_NUM_REGS];
baa41469	23	struct cfi_reg cfa;
e7c0219b PZ	24	};
	25
	26	struct cfi_state {
baa41469	27	struct cfi_reg regs[CFI_NUM_REGS];
e7c0219b PZ	28	struct cfi_reg vals[CFI_NUM_REGS];
	29	struct cfi_reg cfa;
	30	int stack_size;
	31	int drap_reg, drap_offset;
	32	unsigned char type;
	33	bool bp_scratch;
	34	bool drap;
	35	bool end;
baa41469 JP	36	};
	37
	38	#endif /* _OBJTOOL_CFI_H */