1 /* Common target dependent code for GDB on AArch64 systems.
3 Copyright (C) 2009-2018 Free Software Foundation, Inc.
4 Contributed by ARM Ltd.
6 This file is part of GDB.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>. */
22 #ifndef AARCH64_TDEP_H
23 #define AARCH64_TDEP_H
25 #include "arch/aarch64.h"
27 /* Forward declarations. */
31 /* AArch64 Dwarf register numbering. */
32 #define AARCH64_DWARF_X0 0
33 #define AARCH64_DWARF_SP 31
34 #define AARCH64_DWARF_V0 64
36 /* Size of integer registers. */
37 #define X_REGISTER_SIZE 8
38 #define B_REGISTER_SIZE 1
39 #define H_REGISTER_SIZE 2
40 #define S_REGISTER_SIZE 4
41 #define D_REGISTER_SIZE 8
42 #define V_REGISTER_SIZE 16
43 #define Q_REGISTER_SIZE 16
45 /* Total number of general (X) registers. */
46 #define AARCH64_X_REGISTER_COUNT 32
47 /* Total number of D registers. */
48 #define AARCH64_D_REGISTER_COUNT 32
50 /* The maximum number of modified instructions generated for one
51 single-stepped instruction. */
52 #define DISPLACED_MODIFIED_INSNS 1
54 /* Target-dependent structure in gdbarch. */
57 /* Lowest address at which instructions will appear. */
60 /* Offset to PC value in jump buffer. If this is negative, longjmp
61 support will be disabled. */
64 /* And the size of each entry in the buf. */
67 /* Types for AdvSISD registers. */
68 struct type
*vnq_type
;
69 struct type
*vnd_type
;
70 struct type
*vns_type
;
71 struct type
*vnh_type
;
72 struct type
*vnb_type
;
75 int (*aarch64_syscall_record
) (struct regcache
*regcache
, unsigned long svc_number
);
78 const target_desc
*aarch64_read_description ();
80 extern int aarch64_process_record (struct gdbarch
*gdbarch
,
81 struct regcache
*regcache
, CORE_ADDR addr
);
83 struct displaced_step_closure
*
84 aarch64_displaced_step_copy_insn (struct gdbarch
*gdbarch
,
85 CORE_ADDR from
, CORE_ADDR to
,
86 struct regcache
*regs
);
88 void aarch64_displaced_step_fixup (struct gdbarch
*gdbarch
,
89 struct displaced_step_closure
*dsc
,
90 CORE_ADDR from
, CORE_ADDR to
,
91 struct regcache
*regs
);
93 int aarch64_displaced_step_hw_singlestep (struct gdbarch
*gdbarch
,
94 struct displaced_step_closure
*closure
);
96 #endif /* aarch64-tdep.h */
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