123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134 |
- /* Common target dependent code for GDB on AArch64 systems.
- Copyright (C) 2009-2022 Free Software Foundation, Inc.
- Contributed by ARM Ltd.
- 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 AARCH64_TDEP_H
- #define AARCH64_TDEP_H
- #include "arch/aarch64.h"
- #include "displaced-stepping.h"
- #include "infrun.h"
- #include "gdbarch.h"
- /* Forward declarations. */
- struct gdbarch;
- struct regset;
- /* AArch64 Dwarf register numbering. */
- #define AARCH64_DWARF_X0 0
- #define AARCH64_DWARF_SP 31
- #define AARCH64_DWARF_PAUTH_RA_STATE 34
- #define AARCH64_DWARF_PAUTH_DMASK 35
- #define AARCH64_DWARF_PAUTH_CMASK 36
- #define AARCH64_DWARF_V0 64
- #define AARCH64_DWARF_SVE_VG 46
- #define AARCH64_DWARF_SVE_FFR 47
- #define AARCH64_DWARF_SVE_P0 48
- #define AARCH64_DWARF_SVE_Z0 96
- /* Size of integer registers. */
- #define X_REGISTER_SIZE 8
- #define B_REGISTER_SIZE 1
- #define H_REGISTER_SIZE 2
- #define S_REGISTER_SIZE 4
- #define D_REGISTER_SIZE 8
- #define Q_REGISTER_SIZE 16
- /* Total number of general (X) registers. */
- #define AARCH64_X_REGISTER_COUNT 32
- /* Total number of D registers. */
- #define AARCH64_D_REGISTER_COUNT 32
- /* The maximum number of modified instructions generated for one
- single-stepped instruction. */
- #define AARCH64_DISPLACED_MODIFIED_INSNS 1
- /* Target-dependent structure in gdbarch. */
- struct aarch64_gdbarch_tdep : gdbarch_tdep
- {
- /* Lowest address at which instructions will appear. */
- CORE_ADDR lowest_pc = 0;
- /* Offset to PC value in jump buffer. If this is negative, longjmp
- support will be disabled. */
- int jb_pc = 0;
- /* And the size of each entry in the buf. */
- size_t jb_elt_size = 0;
- /* Types for AdvSISD registers. */
- struct type *vnq_type = nullptr;
- struct type *vnd_type = nullptr;
- struct type *vns_type = nullptr;
- struct type *vnh_type = nullptr;
- struct type *vnb_type = nullptr;
- struct type *vnv_type = nullptr;
- /* syscall record. */
- int (*aarch64_syscall_record) (struct regcache *regcache,
- unsigned long svc_number) = nullptr;
- /* The VQ value for SVE targets, or zero if SVE is not supported. */
- uint64_t vq = 0;
- /* Returns true if the target supports SVE. */
- bool has_sve () const
- {
- return vq != 0;
- }
- int pauth_reg_base = 0;
- int pauth_ra_state_regnum = 0;
- /* Returns true if the target supports pauth. */
- bool has_pauth () const
- {
- return pauth_reg_base != -1;
- }
- /* First MTE register. This is -1 if no MTE registers are available. */
- int mte_reg_base = 0;
- /* Returns true if the target supports MTE. */
- bool has_mte () const
- {
- return mte_reg_base != -1;
- }
- };
- const target_desc *aarch64_read_description (uint64_t vq, bool pauth_p,
- bool mte_p);
- extern int aarch64_process_record (struct gdbarch *gdbarch,
- struct regcache *regcache, CORE_ADDR addr);
- displaced_step_copy_insn_closure_up
- aarch64_displaced_step_copy_insn (struct gdbarch *gdbarch,
- CORE_ADDR from, CORE_ADDR to,
- struct regcache *regs);
- void aarch64_displaced_step_fixup (struct gdbarch *gdbarch,
- displaced_step_copy_insn_closure *dsc,
- CORE_ADDR from, CORE_ADDR to,
- struct regcache *regs);
- bool aarch64_displaced_step_hw_singlestep (struct gdbarch *gdbarch);
- #endif /* aarch64-tdep.h */
|