Return unique_ptr from language_defn::get_compile_context
[deliverable/binutils-gdb.git] / gdb / linux-tdep.h
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1/* Target-dependent code for GNU/Linux, architecture independent.
2
3666a048 3 Copyright (C) 2009-2021 Free Software Foundation, Inc.
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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 LINUX_TDEP_H
21#define LINUX_TDEP_H
22
6432734d 23#include "bfd.h"
187b041e 24#include "displaced-stepping.h"
6432734d 25
187b041e 26struct inferior;
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27struct regcache;
28
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29/* Enum used to define the extra fields of the siginfo type used by an
30 architecture. */
31enum linux_siginfo_extra_field_values
32{
33 /* Add bound fields into the segmentation fault field. */
34 LINUX_SIGINFO_FIELD_ADDR_BND = 1
35};
36
37/* Defines a type for the values defined in linux_siginfo_extra_field_values. */
38DEF_ENUM_FLAGS_TYPE (enum linux_siginfo_extra_field_values,
39 linux_siginfo_extra_fields);
40
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41/* This function is suitable for architectures that
42 extend/override the standard siginfo in a specific way. */
43struct type *linux_get_siginfo_type_with_fields (struct gdbarch *gdbarch,
44 linux_siginfo_extra_fields);
45
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46typedef char *(*linux_collect_thread_registers_ftype) (const struct regcache *,
47 ptid_t,
48 bfd *, char *, int *,
2ea28649 49 enum gdb_signal);
6432734d 50
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51extern enum gdb_signal linux_gdb_signal_from_target (struct gdbarch *gdbarch,
52 int signal);
53
54extern int linux_gdb_signal_to_target (struct gdbarch *gdbarch,
55 enum gdb_signal signal);
56
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57/* Default GNU/Linux implementation of `displaced_step_location', as
58 defined in gdbarch.h. Determines the entry point from AT_ENTRY in
59 the target auxiliary vector. */
60extern CORE_ADDR linux_displaced_step_location (struct gdbarch *gdbarch);
61
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62
63/* Implementation of gdbarch_displaced_step_prepare. */
64
65extern displaced_step_prepare_status linux_displaced_step_prepare
66 (gdbarch *arch, thread_info *thread, CORE_ADDR &displaced_pc);
67
68/* Implementation of gdbarch_displaced_step_finish. */
69
70extern displaced_step_finish_status linux_displaced_step_finish
71 (gdbarch *arch, thread_info *thread, gdb_signal sig);
72
73/* Implementation of gdbarch_displaced_step_copy_insn_closure_by_addr. */
74
75extern const displaced_step_copy_insn_closure *
76 linux_displaced_step_copy_insn_closure_by_addr
77 (inferior *inf, CORE_ADDR addr);
78
79/* Implementation of gdbarch_displaced_step_restore_all_in_ptid. */
80
81extern void linux_displaced_step_restore_all_in_ptid (inferior *parent_inf,
82 ptid_t ptid);
83
84extern void linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch,
480af54c 85 int num_disp_step_buffers);
a5ee0f0c 86
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87extern int linux_is_uclinux (void);
88
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89/* Fetch the AT_HWCAP entry from the auxv vector for the given TARGET. On
90 error, 0 is returned. */
91extern CORE_ADDR linux_get_hwcap (struct target_ops *target);
92
93/* Fetch the AT_HWCAP2 entry from the auxv vector for the given TARGET. On
94 error, 0 is returned. */
95extern CORE_ADDR linux_get_hwcap2 (struct target_ops *target);
96
4aa995e1 97#endif /* linux-tdep.h */
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