+2020-07-23 Pedro Alves <pedro@palves.net>
+
+ * frame-unwind.c (frame_unwind_try_unwinder): On exception, don't
+ touch THIS_CACHE/THIS_FRAME if the frame cache was cleared
+ meanwhile.
+ * frame.c (frame_cache_generation, get_frame_cache_generation):
+ New.
+ (reinit_frame_cache): Increment FRAME_CACHE_GENERATION.
+ (get_prev_frame_if_no_cycle): On exception, don't touch
+ PREV_FRAME/THIS_FRAME if the frame cache was cleared meanwhile.
+ * frame.h (get_frame_cache_generation): Declare.
+
+2020-07-23 Tom de Vries <tdevries@suse.de>
+
+ PR tui/26282
+ * tui/tui-winsource.h (struct tui_source_windows::tui_source_windows):
+ New default constructor.
+
+2020-07-23 Andrew Burgess <andrew.burgess@embecosm.com>
+
+ * disasm.c (do_mixed_source_and_assembly_deprecated): Don't
+ exclude non-statement entries.
+
+2020-07-22 Kevin Buettner <kevinb@redhat.com>
+
+ * NEWS (New commands): Mention new command
+ "maintenance print core-file-backed-mappings".
+
+2020-07-22 Kevin Buettner <kevinb@redhat.com>
+
+ * corelow.c (gdbcmd.h): Include.
+ (core_target::info_proc_mappings): New method.
+ (get_current_core_target): New function.
+ (maintenance_print_core_file_backed_mappings): New function.
+ (_initialize_corelow): Add core-file-backed-mappings to
+ "maint print" commands.
+
+2020-07-22 Kevin Buettner <kevinb@redhat.com>
+
+ * linux-tdep.c (dump_note_entry_p): New function.
+ (linux_dump_mapping_p_ftype): New typedef.
+ (linux_find_memory_regions_full): Add new parameter,
+ should_dump_mapping_p.
+ (linux_find_memory_regions): Adjust call to
+ linux_find_memory_regions_full.
+ (linux_make_mappings_core_file_notes): Use dump_note_entry_p in
+ call to linux_find_memory_regions_full.
+
+2020-07-22 Kevin Buettner <kevinb@redhat.com>
+
+ * corelow.c (solist.h, unordered_map): Include.
+ (class core_target): Add field m_core_file_mappings and
+ method build_file_mappings.
+ (core_target::core_target): Call build_file_mappings.
+ (core_target::~core_target): Free memory associated with
+ m_core_file_mappings.
+ (core_target::build_file_mappings): New method.
+ (core_target::xfer_partial): Use m_core_file_mappings
+ for memory transfers.
+ * linux-tdep.c (linux_read_core_file_mappings): New
+ function.
+ (linux_core_info_proc_mappings): Rewrite to use
+ linux_read_core_file_mappings.
+ (linux_init_abi): Register linux_read_core_file_mappings.
+
+2020-07-22 Kevin Buettner <kevinb@redhat.com>
+
+ * arch-utils.c (default_read_core_file_mappings): New function.
+ * arch-utils.c (default_read_core_file_mappings): Declare.
+ * gdbarch.sh (read_core_file_mappings): New gdbarch method.
+ * gdbarch.h, gdbarch.c: Regenerate.
+
+2020-07-22 Kevin Buettner <kevinb@redhat.com>
+
+ PR corefiles/25631
+ * corelow.c (core_target:xfer_partial): Revise
+ TARGET_OBJECT_MEMORY case to consider non-SEC_HAS_CONTENTS
+ case after first checking the stratum beneath the core
+ target.
+ (has_all_memory): Return true.
+ * target.c (raw_memory_xfer_partial): Revise comment
+ regarding use of has_all_memory.
+
+2020-07-22 Kevin Buettner <kevinb@redhat.com>
+
+ * exec.h (section_table_xfer_memory): Revise declaration,
+ replacing section name parameter with an optional callback
+ predicate.
+ * exec.c (section_table_xfer_memory): Likewise.
+ * bfd-target.c, exec.c, target.c, corelow.c: Adjust all callers
+ of section_table_xfer_memory.
+
+2020-07-22 Tom Tromey <tromey@adacore.com>
+
+ * mi/mi-cmd-stack.c (list_args_or_locals): Use
+ lookup_symbol_search_name.
+
+2020-07-22 Andrew Burgess <andrew.burgess@embecosm.com>
+
+ * python/py-registers.c (gdbpy_register_object_data_init): Remove
+ redundant local variable.
+ (gdbpy_get_register_descriptor): Extract descriptor vector as a
+ reference, not pointer, update code accordingly.
+
+2020-07-22 Simon Marchi <simon.marchi@polymtl.ca>
+ Tankut Baris Aktemur <tankut.baris.aktemur@intel.com>
+
+ * objfiles.h (struct objfile) <skip_jit_symbol_lookup>: New field.
+ * jit.c (jit_breakpoint_re_set_internal): Use the
+ `skip_jit_symbol_lookup` field.
+
+2020-07-22 Simon Marchi <simon.marchi@polymtl.ca>
+ Tankut Baris Aktemur <tankut.baris.aktemur@intel.com>
+
+ * jit.c (jit_read_descriptor): Define the descriptor address once,
+ use twice.
+ (jit_breakpoint_deleted): Move the declaration of the loop variable
+ `iter` into the loop header.
+ (jit_breakpoint_re_set_internal): Move the declaration of the local
+ variable `objf_data` to the first point of definition.
+ (jit_event_handler): Move the declaration of local variables
+ `code_entry`, `entry_addr`, and `objf` to their first point of use.
+ Rename `objf` to `jited`.
+
+2020-07-22 Simon Marchi <simon.marchi@polymtl.ca>
+
+ * jit.h (struct jiter_objfile_data) <jiter_objfile_data, objfile>:
+ Remove.
+ * jit.c (get_jiter_objfile_data): Update.
+
+2020-07-22 Tankut Baris Aktemur <tankut.baris.aktemur@intel.com>
+ Simon Marchi <simon.marchi@polymtl.ca>
+
+ * jit.c (struct jit_program_space_data): Remove.
+ (jit_program_space_key): Remove.
+ (jiter_objfile_data::~jiter_objfile_data): Remove program space
+ stuff.
+ (get_jit_program_space_data): Remove.
+ (jit_breakpoint_deleted): Iterate on all of the program space's
+ objfiles.
+ (jit_inferior_init): Likewise.
+ (jit_breakpoint_re_set_internal): Likewise. Also change return
+ type to void.
+ (jit_breakpoint_re_set): Pass current_program_space to
+ jit_breakpoint_re_set_internal.
+
+2020-07-22 Simon Marchi <simon.marchi@polymtl.ca>
+
+ * jit.h (struct jiter_objfile_data) <cached_code_address,
+ jit_breakpoint>: Move to here from ...
+ * jit.c (jit_program_space_data): ... here.
+ (jiter_objfile_data::~jiter_objfile_data): Update.
+ (jit_breakpoint_deleted): Update.
+ (jit_breakpoint_re_set_internal): Update.
+
+2020-07-22 Simon Marchi <simon.marchi@polymtl.ca>
+
+ * jit.c (jiter_objfile_data::~jiter_objfile_data): Remove some
+ checks.
+ (jit_read_descriptor): Remove NULL check.
+ (jit_event_handler): Add an assertion.
+
+2020-07-22 Simon Marchi <simon.marchi@polymtl.ca>
+
+ * jit.h (struct jit_objfile_data): Split into...
+ (struct jiter_objfile_data): ... this ...
+ (struct jited_objfile_data): ... and this.
+ * objfiles.h (struct objfile) <jit_data>: Remove.
+ <jiter_data, jited_data>: New fields.
+ * jit.c (jit_objfile_data::~jit_objfile_data): Rename to ...
+ (jiter_objfile_data::~jiter_objfile_data): ... this.
+ (get_jit_objfile_data): Rename to ...
+ (get_jiter_objfile_data): ... this.
+ (add_objfile_entry): Update.
+ (jit_read_descriptor): Use get_jiter_objfile_data.
+ (jit_find_objf_with_entry_addr): Use objfile's jited_data field.
+ (jit_breakpoint_re_set_internal): Use get_jiter_objfile_data.
+ (jit_inferior_exit_hook): Use objfile's jited_data field.
+
+2020-07-22 Simon Marchi <simon.marchi@polymtl.ca>
+
+ * jit.h: Forward-declare `struct minimal_symbol`.
+ (struct jit_objfile_data): Migrate to here from jit.c; also add a
+ constructor, destructor, and an objfile* field.
+ * jit.c (jit_objfile_data): Remove.
+ (struct jit_objfile_data): Migrate from here to jit.h.
+ (jit_objfile_data::~jit_objfile_data): New destructor
+ implementation with code moved from free_objfile_data.
+ (free_objfile_data): Delete.
+ (get_jit_objfile_data): Update to use the jit_data field of objfile.
+ (jit_find_objf_with_entry_addr): Ditto.
+ (jit_inferior_exit_hook): Ditto.
+ (_initialize_jit): Remove the call to
+ register_objfile_data_with_cleanup.
+ * objfiles.h (struct objfile) <jit_data>: New field.
+
+2020-07-22 Tankut Baris Aktemur <tankut.baris.aktemur@intel.com>
+
+ * jit.h: Forward-declare `struct objfile`.
+ (jit_event_handler): Add a second parameter, the JITer objfile.
+ * jit.c (jit_read_descriptor): Change the signature to take the
+ JITer objfile as an argument instead of the jit_program_space_data.
+ (jit_inferior_init): Update the call to jit_read_descriptor.
+ (jit_event_handler): Use the new JITer objfile argument when calling
+ jit_read_descriptor.
+ * breakpoint.c (handle_jit_event): Update the call to
+ jit_event_handler to pass the JITer objfile.
+
+2020-07-21 John Baldwin <jhb@FreeBSD.org>
+
+ * gdbarch.c: Regenerate.
+ * gdbarch.h: Regenerate.
+ * gdbarch.sh (handle_segmentation_fault): Remove method.
+ * infrun.c (handle_segmentation_fault): Remove.
+ (print_signal_received_reason): Remove call to
+ handle_segmentation_fault.
+
+2020-07-21 John Baldwin <jhb@FreeBSD.org>
+
+ * sparc64-linux-tdep.c (sparc64_linux_handle_segmentation_fault):
+ Rename to sparc64_linux_report_signal_info and add siggnal
+ argument.
+ (sparc64_linux_init_abi): Use sparc64_linux_report_signal_info
+ instead of sparc64_linux_handle_segmentation_fault.
+
+2020-07-21 John Baldwin <jhb@FreeBSD.org>
+
+ * amd64-linux-tdep.c (amd64_linux_init_abi_common): Use
+ i386_linux_report_signal_info instead of
+ i386_linux_handle_segmentation_fault.
+ * i386-linux-tdep.c (i386_linux_handle_segmentation_fault): Rename
+ to i386_linux_report_signal_info and add siggnal argument.
+ (i386_linux_init_abi): Use i386_linux_report_signal_info instead
+ of i386_linux_handle_segmentation_fault.
+ * i386-linux-tdep.h (i386_linux_handle_segmentation_fault): Rename
+ to i386_linux_report_signal_info and add siggnal argument.
+
+2020-07-21 John Baldwin <jhb@FreeBSD.org>
+
+ * corelow.c (core_target_open): Invoke gdbarch report_signal_info
+ hook if present.
+
+2020-07-21 John Baldwin <jhb@FreeBSD.org>
+
+ * gdbarch.c: Regenerate.
+ * gdbarch.h: Regenerate.
+ * gdbarch.sh (report_signal_info): New method.
+ * infrun.c (print_signal_received_reason): Invoke gdbarch
+ report_signal_info hook if present.
+
+2020-07-21 Andrew Burgess <andrew.burgess@embecosm.com>
+
+ * python/py-registers.c : Add 'unordered_map' include.
+ (gdbpy_new_reggroup): Renamed to...
+ (gdbpy_get_reggroup): ...this. Update to only create register
+ group descriptors when needed.
+ (gdbpy_reggroup_iter_next): Update.
+
+2020-07-21 Andrew Burgess <andrew.burgess@embecosm.com>
+
+ * python/py-registers.c (gdbpy_register_object_data): New static
+ global.
+ (gdbpy_register_object_data_init): New function.
+ (gdbpy_new_register_descriptor): Renamed to...
+ (gdbpy_get_register_descriptor): ...this, and update to reuse
+ existing register descriptors where possible.
+ (gdbpy_register_descriptor_iter_next): Update.
+ (gdbpy_initialize_registers): Register new gdbarch data.
+
+2020-07-21 Simon Marchi <simon.marchi@efficios.com>
+
+ * linux-nat.c (stopped_pids): Make static.
+
+2020-07-21 Simon Marchi <simon.marchi@polymtl.ca>
+
+ PR ada/26235
+ * gdbtypes.c (ada_discrete_type_low_bound,
+ ada_discrete_type_high_bound): Handle undefined bounds.
+
+2020-07-21 Kamil Rytarowski <n54@gmx.com>
+
+ * nbsd-nat.h (nbsd_nat_target::supports_multi_process): New
+ declaration.
+ * nbsd-nat.c (nbsd_nat_target::supports_multi_process): New
+ function.
+
+2020-07-20 John Baldwin <jhb@FreeBSD.org>
+
+ * fbsd-tdep.c (fbsd_skip_solib_resolver): New function.
+ (fbsd_init_abi): Install gdbarch "skip_solib_resolver" method.
+ * fbsd-tdep.h (fbsd_skip_solib_resolver): New prototype.
+ * mips-fbsd-tdep.c (mips_fbsd_skip_solib_resolver): New function.
+ (mips_fbsd_init_abi): Install gdbarch "skip_solib_resolver"
+ method.
+
+2020-07-20 Ludovic Courtès <ludo@gnu.org>
+
+ * guile/scm-math.c (vlscm_integer_fits_p): Use 'uintmax_t'
+ and 'intmax_t' instead of 'scm_t_uintmax' and 'scm_t_intmax',
+ which are deprecated in Guile 3.0.
+ * configure.ac (try_guile_versions): Add "guile-3.0".
+ * configure (try_guile_versions): Regenerate.
+ * NEWS: Update entry.
+
+2020-07-20 Ludovic Courtès <ludo@gnu.org>
+ Doug Evans <dje@google.com>
+
+ PR gdb/21104
+ * guile/scm-ports.c (USING_GUILE_BEFORE_2_2): New macro.
+ (ioscm_memory_port)[read_buf_size, write_buf_size]: Wrap in #if
+ USING_GUILE_BEFORE_2_2.
+ (stdio_port_desc, memory_port_desc) [!USING_GUILE_BEFORE_2_2]:
+ Change type to 'scm_t_port_type *'.
+ (natural_buffer_size) [!USING_GUILE_BEFORE_2_2]: New variable.
+ (ioscm_open_port) [USING_GUILE_BEFORE_2_2]: Add 'stream'
+ parameter and honor it. Update callers.
+ (ioscm_open_port) [!USING_GUILE_BEFORE_2_2]: New function.
+ (ioscm_read_from_port, ioscm_write) [!USING_GUILE_BEFORE_2_2]: New
+ functions.
+ (ioscm_fill_input, ioscm_input_waiting, ioscm_flush): Wrap in #if
+ USING_GUILE_BEFORE_2_2.
+ (ioscm_init_gdb_stdio_port) [!USING_GUILE_BEFORE_2_2]: Use
+ 'ioscm_read_from_port'. Call 'scm_set_port_read_wait_fd'.
+ (ioscm_init_stdio_buffers) [!USING_GUILE_BEFORE_2_2]: New function.
+ (gdbscm_stdio_port_p) [!USING_GUILE_BEFORE_2_2]: Use 'SCM_PORTP'
+ and 'SCM_PORT_TYPE'.
+ (gdbscm_memory_port_end_input, gdbscm_memory_port_seek)
+ (ioscm_reinit_memory_port): Wrap in #if USING_GUILE_BEFORE_2_2.
+ (gdbscm_memory_port_read, gdbscm_memory_port_write)
+ (gdbscm_memory_port_seek, gdbscm_memory_port_close)
+ [!USING_GUILE_BEFORE_2_2]: New functions.
+ (gdbscm_memory_port_print): Remove use of 'SCM_PTOB_NAME'.
+ (ioscm_init_memory_port_type) [!USING_GUILE_BEFORE_2_2]: Use
+ 'gdbscm_memory_port_read'.
+ Wrap 'scm_set_port_end_input', 'scm_set_port_flush', and
+ 'scm_set_port_free' calls in #if USING_GUILE_BEFORE_2_2.
+ (gdbscm_get_natural_buffer_sizes) [!USING_GUILE_BEFORE_2_2]: New
+ function.
+ (ioscm_init_memory_port): Remove.
+ (ioscm_init_memory_port_stream): New function
+ (ioscm_init_memory_port_buffers) [USING_GUILE_BEFORE_2_2]: New
+ function.
+ (gdbscm_memory_port_read_buffer_size) [!USING_GUILE_BEFORE_2_2]:
+ Return scm_from_uint (0).
+ (gdbscm_set_memory_port_read_buffer_size_x)
+ [!USING_GUILE_BEFORE_2_2]: Call 'scm_setvbuf'.
+ (gdbscm_memory_port_write_buffer_size) [!USING_GUILE_BEFORE_2_2]:
+ Return scm_from_uint (0).
+ (gdbscm_set_memory_port_write_buffer_size_x)
+ [!USING_GUILE_BEFORE_2_2]: Call 'scm_setvbuf'.
+ * configure.ac (try_guile_versions): Add "guile-2.2".
+ * configure: Regenerate.
+ * NEWS: Add entry.
+
+2020-07-18 Tom Tromey <tom@tromey.com>
+
+ * linux-nat.c (linux_multi_process): Remove.
+ (linux_nat_target::supports_multi_process): Return true.
+
+2020-07-17 Andrew Burgess <andrew.burgess@embecosm.com>
+
+ * arch/riscv.c (riscv_tdesc_cache): Change map type.
+ (riscv_lookup_target_description): Return pointer out of
+ unique_ptr.
+ * target-descriptions.c (allocate_target_description): Add
+ comment.
+ (target_desc_deleter::operator()): Likewise.
+ * target-descriptions.h (struct target_desc_deleter): Moved to
+ gdbsupport/tdesc.h.
+ (target_desc_up): Likewise.
+
2020-07-17 Tom Tromey <tromey@adacore.com>
* linux-nat.c (linux_nat_target::supports_non_stop)