1/* Common code for ARM software single stepping support. 2 3 Copyright (C) 1988-2023 Free Software Foundation, Inc. 4 5 This file is part of GDB. 6 7 This program is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 3 of the License, or 10 (at your option) any later version. 11 12 This program is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 19 20#ifndef ARCH_ARM_GET_NEXT_PCS_H 21#define ARCH_ARM_GET_NEXT_PCS_H 22 23#include <vector> 24 25/* Forward declaration. */ 26struct arm_get_next_pcs; 27 28/* get_next_pcs operations. */ 29struct arm_get_next_pcs_ops 30{ 31 ULONGEST (*read_mem_uint) (CORE_ADDR memaddr, int len, int byte_order); 32 CORE_ADDR (*syscall_next_pc) (struct arm_get_next_pcs *self); 33 CORE_ADDR (*addr_bits_remove) (struct arm_get_next_pcs *self, CORE_ADDR val); 34 int (*is_thumb) (struct arm_get_next_pcs *self); 35 36 /* Fix up PC if needed. */ 37 CORE_ADDR (*fixup) (struct arm_get_next_pcs *self, CORE_ADDR pc); 38}; 39 40/* Context for a get_next_pcs call on ARM. */ 41struct arm_get_next_pcs 42{ 43 /* Operations implementations. */ 44 struct arm_get_next_pcs_ops *ops; 45 /* Byte order for data. */ 46 int byte_order; 47 /* Byte order for code. */ 48 int byte_order_for_code; 49 /* Whether the target has 32-bit thumb-2 breakpoint defined or 50 not. */ 51 int has_thumb2_breakpoint; 52 /* Registry cache. */ 53 struct regcache *regcache; 54}; 55 56/* Initialize arm_get_next_pcs. */ 57void arm_get_next_pcs_ctor (struct arm_get_next_pcs *self, 58 struct arm_get_next_pcs_ops *ops, 59 int byte_order, 60 int byte_order_for_code, 61 int has_thumb2_breakpoint, 62 struct regcache *regcache); 63 64/* Find the next possible PCs after the current instruction executes. */ 65std::vector<CORE_ADDR> arm_get_next_pcs (struct arm_get_next_pcs *self); 66 67#endif /* ARCH_ARM_GET_NEXT_PCS_H */ 68