^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0-or-later */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Copyright (C) 2015-2017 Josh Poimboeuf <jpoimboe@redhat.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #ifndef _OBJTOOL_CFI_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #define _OBJTOOL_CFI_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include "cfi_regs.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #define CFI_UNDEFINED -1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #define CFI_CFA -2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #define CFI_SP_INDIRECT -3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #define CFI_BP_INDIRECT -4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) struct cfi_reg {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) int base;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) int offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) struct cfi_init_state {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) struct cfi_reg regs[CFI_NUM_REGS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) struct cfi_reg cfa;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) struct cfi_state {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) struct cfi_reg regs[CFI_NUM_REGS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) struct cfi_reg vals[CFI_NUM_REGS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) struct cfi_reg cfa;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) int stack_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) int drap_reg, drap_offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) unsigned char type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) bool bp_scratch;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) bool drap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) bool end;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #endif /* _OBJTOOL_CFI_H */