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/* Common code for ARM software single stepping support.
Copyright (C) 1988-2021 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef ARCH_ARM_GET_NEXT_PCS_H
#define ARCH_ARM_GET_NEXT_PCS_H
#include <vector>
/* Forward declaration. */
struct arm_get_next_pcs;
/* get_next_pcs operations. */
struct arm_get_next_pcs_ops
{
ULONGEST (*read_mem_uint) (CORE_ADDR memaddr, int len, int byte_order);
CORE_ADDR (*syscall_next_pc) (struct arm_get_next_pcs *self);
CORE_ADDR (*addr_bits_remove) (struct arm_get_next_pcs *self, CORE_ADDR val);
int (*is_thumb) (struct arm_get_next_pcs *self);
/* Fix up PC if needed. */
CORE_ADDR (*fixup) (struct arm_get_next_pcs *self, CORE_ADDR pc);
};
/* Context for a get_next_pcs call on ARM. */
struct arm_get_next_pcs
{
/* Operations implementations. */
struct arm_get_next_pcs_ops *ops;
/* Byte order for data. */
int byte_order;
/* Byte order for code. */
int byte_order_for_code;
/* Whether the target has 32-bit thumb-2 breakpoint defined or
not. */
int has_thumb2_breakpoint;
/* Registry cache. */
struct regcache *regcache;
};
/* Initialize arm_get_next_pcs. */
void arm_get_next_pcs_ctor (struct arm_get_next_pcs *self,
struct arm_get_next_pcs_ops *ops,
int byte_order,
int byte_order_for_code,
int has_thumb2_breakpoint,
struct regcache *regcache);
/* Find the next possible PCs after the current instruction executes. */
std::vector<CORE_ADDR> arm_get_next_pcs (struct arm_get_next_pcs *self);
#endif /* ARCH_ARM_GET_NEXT_PCS_H */