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- /* Target-dependent code for GNU/Linux, architecture independent.
- Copyright (C) 2009-2022 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 LINUX_TDEP_H
- #define LINUX_TDEP_H
- #include "bfd.h"
- #include "displaced-stepping.h"
- struct inferior;
- struct regcache;
- /* Enum used to define the extra fields of the siginfo type used by an
- architecture. */
- enum linux_siginfo_extra_field_values
- {
- /* Add bound fields into the segmentation fault field. */
- LINUX_SIGINFO_FIELD_ADDR_BND = 1
- };
- /* Defines a type for the values defined in linux_siginfo_extra_field_values. */
- DEF_ENUM_FLAGS_TYPE (enum linux_siginfo_extra_field_values,
- linux_siginfo_extra_fields);
- /* This function is suitable for architectures that
- extend/override the standard siginfo in a specific way. */
- struct type *linux_get_siginfo_type_with_fields (struct gdbarch *gdbarch,
- linux_siginfo_extra_fields);
- /* Return true if ADDRESS is within the boundaries of a page mapped with
- memory tagging protection. */
- bool linux_address_in_memtag_page (CORE_ADDR address);
- typedef char *(*linux_collect_thread_registers_ftype) (const struct regcache *,
- ptid_t,
- bfd *, char *, int *,
- enum gdb_signal);
- extern enum gdb_signal linux_gdb_signal_from_target (struct gdbarch *gdbarch,
- int signal);
- extern int linux_gdb_signal_to_target (struct gdbarch *gdbarch,
- enum gdb_signal signal);
- /* Default GNU/Linux implementation of `displaced_step_location', as
- defined in gdbarch.h. Determines the entry point from AT_ENTRY in
- the target auxiliary vector. */
- extern CORE_ADDR linux_displaced_step_location (struct gdbarch *gdbarch);
- /* Implementation of gdbarch_displaced_step_prepare. */
- extern displaced_step_prepare_status linux_displaced_step_prepare
- (gdbarch *arch, thread_info *thread, CORE_ADDR &displaced_pc);
- /* Implementation of gdbarch_displaced_step_finish. */
- extern displaced_step_finish_status linux_displaced_step_finish
- (gdbarch *arch, thread_info *thread, gdb_signal sig);
- /* Implementation of gdbarch_displaced_step_copy_insn_closure_by_addr. */
- extern const displaced_step_copy_insn_closure *
- linux_displaced_step_copy_insn_closure_by_addr
- (inferior *inf, CORE_ADDR addr);
- /* Implementation of gdbarch_displaced_step_restore_all_in_ptid. */
- extern void linux_displaced_step_restore_all_in_ptid (inferior *parent_inf,
- ptid_t ptid);
- extern void linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch,
- int num_disp_step_buffers);
- extern int linux_is_uclinux (void);
- /* Fetch the AT_HWCAP entry from the auxv vector for the given TARGET. On
- error, 0 is returned. */
- extern CORE_ADDR linux_get_hwcap (struct target_ops *target);
- /* Fetch the AT_HWCAP2 entry from the auxv vector for the given TARGET. On
- error, 0 is returned. */
- extern CORE_ADDR linux_get_hwcap2 (struct target_ops *target);
- /* Fetch (and possibly build) an appropriate `struct link_map_offsets'
- for ILP32 and LP64 Linux systems. */
- extern struct link_map_offsets *linux_ilp32_fetch_link_map_offsets ();
- extern struct link_map_offsets *linux_lp64_fetch_link_map_offsets ();
- #endif /* linux-tdep.h */
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