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binutils-gdb/gdbsupport/ChangeLog
Luis Machado 48136e006e New memory-tag commands 
Add new commands under the "memory-tag" prefix to allow users to inspect,
modify and check memory tags in different ways.

The available subcommands are the following:

- memory-tag print-logical-tag <expression>: Prints the logical tag for a
  particular address.

- memory-tag withltag <expression> <tag>: Prints the address tagged with the
  logical tag <tag>.

- memory-tag print-allocation-tag <expression>: Prints the allocation tag for
  a particular address.

- memory-tag setatag <expression> <length> <tags>: Sets one or more allocation
  tags to the specified tags.

- memory-tag check <expression>: Checks if the logical tag in <address>
  matches its allocation tag.

These commands make use of the memory tagging gdbarch methods, and are still
available, but disabled, when memory tagging is not supported by the
architecture.

I've pondered about a way to make these commands invisible when memory tagging
is not available, but given the check is at runtime (and support may come and go
based on a process' configuration), that is a bit too late in the process to
either not include the commands or get rid of them.

Ideas are welcome.

gdb/ChangeLog:

2021-03-24  Luis Machado  <luis.machado@linaro.org>

	* printcmd.c: Include gdbsupport/rsp-low.h.
	(memory_tag_list): New static global.
	(process_print_command_args): Factored out of
	print_command_1.
	(print_command_1): Use process_print_command_args.
	(show_addr_not_tagged, show_memory_tagging_unsupported)
	(memory_tag_command, memory_tag_print_tag_command)
	(memory_tag_print_logical_tag_command)
	(memory_tag_print_allocation_tag_command, parse_with_logical_tag_input)
	(memory_tag_with_logical_tag_command, parse_set_allocation_tag_input)
	(memory_tag_set_allocation_tag_command, memory_tag_check_command): New
	functions.
	(_initialize_printcmd): Add "memory-tag" prefix and subcommands.

gdbsupport/ChangeLog:

2021-03-24  Luis Machado  <luis.machado@linaro.org>

	* rsp-low.cc (fromhex, hex2bin): Move to ...
	* common-utils.cc: ... here.
	(fromhex) Change error message text to not be RSP-specific.
	* rsp-low.h (fromhex, hex2bin): Move to ...
	* common-utils.h: ... here.
2021-03-24 14:57:53 -03:00

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2021-03-24 Luis Machado <luis.machado@linaro.org>
* rsp-low.cc (fromhex, hex2bin): Move to ...
* common-utils.cc: ... here.
(fromhex) Change error message text to not be RSP-specific.
* rsp-low.h (fromhex, hex2bin): Move to ...
* common-utils.h: ... here.
2021-03-21 Alan Modra <amodra@gmail.com>
* common-utils.h (startswith): Delete version now supplied by bfd.h.
2021-02-05 Paul E. Murphy <murphy@linux.ibm.com>
* common-defs.h (ATTRIBUTE_PRINTF): Rename
_GL_ATTRIBUTE_FORMAT_PRINTF to _GL_ATTRIBUTE_FORMAT_PRINTF_STANDARD.
* common-utils.h (xfree): Use GNULIB_NAMESPACE namespace when calling
free if this macro is defined.
2021-01-23 Lancelot SIX <lsix@lancelotsix.com>
* gdb_tilde_expand.cc (gdb_tilde_expand): Improve
implementation.
(gdb_tilde_expand_up): Delegate logic to gdb_tilde_expand.
* gdb_tilde_expand.h (gdb_tilde_expand): Update description.
2021-01-22 Simon Marchi <simon.marchi@polymtl.ca>
* common-debug.h (debug_prefixed_printf_cond_nofunc): New.
* common-debug.c (debug_prefixed_vprintf): Handle a nullptr
func.
2021-01-08 Simon Marchi <simon.marchi@polymtl.ca>
PR gdb/27157
* pathstuff.cc (get_standard_cache_dir, get_standard_config_dir,
find_gdb_home_config_file): Add empty string check.
2021-01-06 Mike Frysinger <vapier@gentoo.org>
* common-utils.h (align_up): Fix typo in header comment.
2021-01-04 Simon Marchi <simon.marchi@efficios.com>
* common-debug.h (debug_print_depth): New.
(struct scoped_debug_start_end): New.
(scoped_debug_start_end): New.
(scoped_debug_enter_exit): New.
* common-debug.cc (debug_prefixed_vprintf): Print indentation.
2020-12-11 Andrew Burgess <andrew.burgess@embecosm.com>
* gdbsupport/common-utils.cc: Change 'ctype.h' include to
'safe-ctype.h'.
(extract_string_maybe_quoted): Use safe-ctype function versions.
(is_digit_in_base): Likewise.
(digit_to_int): Likewise.
(strtoulst): Likewise.
(skip_spaces): Likewise.
(skip_to_space): Likewise.
2020-12-11 Simon Marchi <simon.marchi@polymtl.ca>
* common-debug.h (debug_prefixed_printf_cond): New.
* event-loop.h (event_loop_debug_printf): Use
debug_prefixed_printf_cond.
2020-12-08 Alexander Fedotov <alfedotov@gmail.com>
* pathstuff.cc (get_standard_cache_dir): Use LOCALAPPDATA environment
variable when running on Windows.
2020-12-01 Andrew Burgess <andrew.burgess@embecosm.com>
* tdesc.cc (print_xml_feature::visit): Print enum fields using
'evalue' syntax.
2020-12-01 Chungyi Chi <demonic@csie.io>
* tdesc.cc (print_xml_feature::visit): Print enum size attribute.
2020-11-20 Tom Tromey <tromey@adacore.com>
* thread-pool.cc (thread_pool::set_thread_count): Ignore system
errors.
2020-11-10 Tom Tromey <tromey@adacore.com>
PR build/26848:
* pathstuff.h: Move include block here...
* pathstuff.cc: ... from here.
2020-11-02 Tom Tromey <tom@tromey.com>
* pathstuff.h (get_standard_config_dir): Declare.
* pathstuff.cc (get_standard_config_dir): New function.
2020-11-02 Simon Marchi <simon.marchi@efficios.com>
* common-exceptions.h: Fix indentation.
* event-loop.cc: Fix indentation.
* fileio.cc: Fix indentation.
* filestuff.cc: Fix indentation.
* gdb-dlfcn.cc: Fix indentation.
* gdb_string_view.h: Fix indentation.
* job-control.cc: Fix indentation.
* signals.cc: Fix indentation.
2020-10-31 Simon Marchi <simon.marchi@polymtl.ca>
* common-debug.cc (debug_prefixed_printf): New.
* common-debug.h (debug_prefixed_printf): New declaration.
* event-loop.cc (event_loop_debug_printf_1): Remove.
* event-loop.h (event_loop_debug_printf_1): Remove.
(event_loop_debug_printf): Use debug_prefixed_printf.
(event_loop_ui_debug_printf): Use debug_prefixed_printf.
2020-10-31 Simon Marchi <simon.marchi@polymtl.ca>
* common.m4: Replace AC_TRY_COMPILE with AC_COMPILE_IFELSE +
AC_LANG_PROGRAM.
* configure: Re-generate.
2020-10-31 Simon Marchi <simon.marchi@polymtl.ca>
* common.m4: Replace AC_FUNC_VFORK with AC_FUNC_FORK.
2020-10-31 Simon Marchi <simon.marchi@polymtl.ca>
* configure: Re-generate.
* warning.m4: Replace AC_TRY_COMPILE with AC_COMPILE_IFELSE +
AC_LANG_PROGRAM.
2020-10-31 Simon Marchi <simon.marchi@polymtl.ca>
* configure: Re-generate.
* ptrace.m4: Replace AC_TRY_COMPILE with AC_COMPILE_IFELSE +
AC_LANG_PROGRAM.
2020-10-31 Simon Marchi <simon.marchi@polymtl.ca>
* configure: Re-generate.
* ptrace.m4: Re-indent.
2020-10-31 Simon Marchi <simon.marchi@polymtl.ca>
* aclocal.m4: Re-generate.
* configure: Re-generate.
* configure.ac: Remove AM_PROG_CC_STDC.
2020-10-31 Simon Marchi <simon.marchi@polymtl.ca>
* configure.ac: Use AC_CANONICAL_{BUILD,HOST,TARGET} instead of
AC_CANONICAL_SYSTEM.
* configure: Re-generate.
2020-10-26 Pedro Alves <pedro@palves.net>
* eintr.h (handle_eintr): Replace Ret template parameter with
ErrorValType. Use it as type of the failure value. Deduce the
function's return type using decltype. Use lowercase for function
parameter names.
2020-10-25 Simon Marchi <simon.marchi@polymtl.ca>
* Makefile.in: Re-generate.
* acinclude.m4: Update ptrace.m4 path.
* ptrace.m4: Move here.
2020-10-08 Andrew Burgess <andrew.burgess@embecosm.com>
* tdesc.h (allocate_target_description): Update return type.
2020-10-07 Tom Tromey <tromey@adacore.com>
* Makefile.in: Rebuild.
* Makefile.am (libgdbsupport_a_SOURCES): Add search.cc.
* search.h: New file.
* search.cc: New file.
2020-10-02 Simon Marchi <simon.marchi@polymtl.ca>
* event-loop.h (debug_event_loop): New variable declaration.
(event_loop_debug_printf_1): New function declaration.
(event_loop_debug_printf): New macro.
* event-loop.cc (debug_event_loop): New variable.
(handle_file_event): Add debug print.
(event_loop_debug_printf_1): New function.
2020-10-02 Simon Marchi <simon.marchi@polymtl.ca>
* common-debug.cc (debug_prefixed_vprintf): Move here.
* common-debug.h (debug_prefixed_vprintf): Move here.
2020-10-02 Simon Marchi <simon.marchi@polymtl.ca>
* event-loop.h (add_file_handler): Add "name" parameter.
* event-loop.cc (struct file_handler) <name>: New field.
(create_file_handler): Add "name" parameter, assign it to file
handler.
(add_file_handler): Add "name" parameter.
2020-10-01 Kamil Rytarowski <n54@gmx.com>
* agent.cc (gdb_connect_sync_socket): Preinitialize addr with zeros.
2020-09-29 Pedro Alves <pedro@palves.net>
* valid-expr.h (CHECK_VALID_EXPR_INT): Make archetype a template
class instead of an alias template and adjust static_assert.
2020-09-24 Simon Marchi <simon.marchi@efficios.com>
* event-loop.c (struct file_handler): Remove typedef, re-format.
2020-09-16 John Baldwin <jhb@FreeBSD.org>
* common.m4 (GDB_AC_COMMON): Refactor checks for kinfo_getfile().
* configure, config.in: Regenerate.
2020-09-14 Pedro Alves <pedro@palves.net>
* enum-flags.h: Include "traits.h".
(DEF_ENUM_FLAGS_TYPE): Declare a function instead of defining a
structure.
(enum_underlying_type): Update comment.
(namespace enum_flags_detail): New. Move struct zero_type here.
(EnumIsUnsigned, EnumIsSigned): New.
(class enum_flags): Make most methods constexpr.
(operator&=, operator|=, operator^=): Take an enum_flags instead
of an enum_type. Make rvalue ref versions deleted.
(operator enum_type()): Delete.
(operator&, operator|, operator^, operator~): Delete, moved out of
class.
(raw()): New method.
(is_enum_flags_enum_type_t): Declare.
(ENUM_FLAGS_GEN_BINOP, ENUM_FLAGS_GEN_COMPOUND_ASSIGN)
(ENUM_FLAGS_GEN_COMP): New. Use them to reimplement global
operators.
(operator~): Now constexpr and reimplemented.
(operator<<, operator>>): New deleted functions.
* valid-expr.h (CHECK_VALID_EXPR_5, CHECK_VALID_EXPR_6): New.
2020-09-14 Pedro Alves <pedro@palves.net>
* traits.h (struct nonesuch, struct detector, detected_or)
(detected_or_t, is_detected, detected_t, detected_or)
(detected_or_t, is_detected_exact, is_detected_convertible): New.
* valid-expr.h (CHECK_VALID_EXPR_INT): Use gdb::is_detected_exact.
2020-09-10 Kamil Rytarowski <n54@gmx.com>
* eintr.h: New file.
2020-08-13 Simon Marchi <simon.marchi@polymtl.ca>
* selftest.h (run_tests): Change parameter to array_view.
* selftest.c (run_tests): Change parameter to array_view and use
it.
2020-07-30 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* Makefile.am (AM_CPPFLAGS): Add LARGEFILE_CPPFLAGS.
* common.m4 (GDB_AC_COMMON): Use BFD_SYS_PROCFS_H to check for
<sys/procfs.h>.
* Makefile.in: Regenerate.
* configure, config.in: Regenerate.
2020-07-28 Tom de Vries <tdevries@suse.de>
PR build/26281
* gdb_optional.h (class optional): Add volatile member to union
contaning m_dummy and m_item.
2020-07-17 Andrew Burgess <andrew.burgess@embecosm.com>
* tdesc.h (struct target_desc_deleter): Moved here
from gdb/target-descriptions.h, extend comment.
(target_desc_up): Likewise.
2020-06-30 Tom Tromey <tromey@adacore.com>
PR build/26183:
* gdb_string_view.h (basic_string_view::to_string): Remove.
(gdb::to_string): New function.
2020-06-27 Simon Marchi <simon.marchi@efficios.com>
* tdesc.h (class print_xml_feature) <add_line>: Add
ATTRIBUTE_PRINTF.
2020-06-23 Andrew Burgess <andrew.burgess@embecosm.com>
* tdesc.cc (print_xml_feature::visit_pre): Use add_line to add
output content, and call indent as needed in all overloaded
variants.
(print_xml_feature::visit_post): Likewise.
(print_xml_feature::visit): Likewise.
(print_xml_feature::add_line): Two new overloaded functions.
* tdesc.h (print_xml_feature::indent): New member function.
(print_xml_feature::add_line): Two new overloaded member
functions.
(print_xml_feature::m_depth): New member variable.
2020-06-23 Andrew Burgess <andrew.burgess@embecosm.com>
* tdesc.cc (print_xml_feature::visit_pre): Print compatible
information.
* tdesc.h (struct tdesc_compatible_info): Declare new struct.
(tdesc_compatible_info_up): New typedef.
(tdesc_compatible_info_list): Declare new function.
(tdesc_compatible_info_arch_name): Declare new function.
2020-05-25 Michael Weghorn <m.weghorn@posteo.de>
* common-utils.cc, common-utils.h (stringify_argv): Drop
now unused function stringify_argv
2020-05-25 Michael Weghorn <m.weghorn@posteo.de>
* common-inferior.cc, common-inferior.h (construct_inferior_arguments):
Adapt to take a gdb::array_view<char * const> parameter.
Adapt call site.
2020-05-25 Michael Weghorn <m.weghorn@posteo.de>
* common-inferior.cc, common-inferior.h (construct_inferior_arguments):
Adapt to handle zero args and return a std::string.
Adapt call site.
2020-05-25 Michael Weghorn <m.weghorn@posteo.de>
* common-inferior.h, common-inferior.cc: (construct_inferior_arguments):
Move function here from gdb/infcmd.c, gdb/inferior.h
2020-05-14 Kevin Buettner <kevinb@redhat.com>
* btrace-common.h (btrace_cpu_vendor): Add CV_AMD.
2020-05-14 Tankut Baris Aktemur <tankut.baris.aktemur@intel.com>
* common-regcache.h (regcache_read_pc_protected): New function
declaration.
2020-04-28 Tankut Baris Aktemur <tankut.baris.aktemur@intel.com>
* gdb-sigmask.h: Fix typo (pthead_sigmask -> pthread_sigmask).
2020-04-27 Simon Marchi <simon.marchi@polymtl.ca>
* common-defs.h: Include cstdlib.h.
2020-04-20 Tom Tromey <tromey@adacore.com>
* scoped_mmap.h (scoped_mmap): Mark move constructor as noexcept.
Use initialization style. Don't call destroy.
* scoped_fd.h (class scoped_fd): Mark move constructor as
noexcept.
* gdb_ref_ptr.h (class ref_ptr): Mark move constructor as
noexcept.
2020-04-13 Tom Tromey <tom@tromey.com>
* event-loop.c: Move comment. Remove obsolete comment.
2020-04-13 Tom Tromey <tom@tromey.com>
* event-loop.h: Move from ../gdb/.
* event-loop.cc: Move from ../gdb/.
2020-04-13 Tom Tromey <tom@tromey.com>
* errors.h (flush_streams): Declare.
2020-04-13 Tom Tromey <tom@tromey.com>
* gdb_select.h: Move from ../gdb/.
2020-04-13 Tom Tromey <tom@tromey.com>
* config.in, configure: Rebuild.
* common.m4 (GDB_AC_COMMON): Check for poll.h, sys/poll.h,
sys/select.h, and poll.
2020-03-31 Tom Tromey <tromey@adacore.com>
* btrace-common.cc (btrace_data_append): Conditionally call
memcpy.
2020-03-27 Andrew Burgess <andrew.burgess@embecosm.com>
* create-version.sh: Resolve issues highlighted by shellcheck.
2020-03-20 Simon Marchi <simon.marchi@efficios.com>
* config.in: Re-generate.
* configure: Re-generate.
2020-03-17 Kamil Rytarowski <n54@gmx.com>
* common-defs.h: Include alloca.h if HAVE_ALLOCA_H is defined.
2020-03-12 Tom Tromey <tom@tromey.com>
* common-types.h: Remove GDBSERVER code.
(gdb_byte, CORE_ADDR, LONGEST, ULONGEST): Redefine.
* common-defs.h: Remove GDBSERVER code.
2020-03-12 Simon Marchi <simon.marchi@efficios.com>
* selftest.m4: Moved from gdb/.
* acinclude.m4: Update path to selftest.m4.
2020-03-12 Simon Marchi <simon.marchi@efficios.com>
* configure.ac: Don't source bfd/development.sh.
* common.m4: Source bfd/development.sh.
* configure: Re-generate.
2020-03-12 Simon Marchi <simon.marchi@efficios.com>
* configure: Re-generate.
2020-03-11 Simon Marchi <simon.marchi@efficios.com>
* configure: Re-generate.
* warning.m4: Enable -Wmissing-prototypes.
2020-03-08 Tom Tromey <tom@tromey.com>
* gdb_binary_search.h: Fix two typos.
2020-03-06 Andrew Burgess <andrew.burgess@embecosm.com>
* .dir-locals.el: New file.
2020-03-05 Vyacheslav Petrishchev <vyachemail@gmail.com>
* configure.ac: Added call development.sh.
* configure: Regenerate.
2020-03-05 Tankut Baris Aktemur <tankut.baris.aktemur@intel.com>
* .gitattributes: New file.
2020-03-03 Simon Marchi <simon.marchi@efficios.com>
* Makefile.in: Re-generate.
2020-02-28 Sergio Durigan Junior <sergiodj@redhat.com>
* gdb-dlfcn.h (gdb_dlopen): Update comment.
2020-02-19 Andrew Burgess <andrew.burgess@embecosm.com>
* configure: Regenerate.
2020-02-14 Tom Tromey <tom@tromey.com>
* common-defs.h: Change path to gnulib/config.h.
2020-02-13 Simon Marchi <simon.marchi@efficios.com>
* Makefile.am: Rename source files from .c to .cc.
(CC, CFLAGS): Don't override.
(AM_CFLAGS): Rename to ...
(AM_CXXFLAGS): ... this.
* Makefile.in: Re-generate.
* %.c: Rename to %.cc.
2020-02-11 Simon Marchi <simon.marchi@efficios.com>
* configure: Re-generate.
2020-02-11 Simon Marchi <simon.marchi@efficios.com>
* warning.m4: Add -Wstrict-null-sentinel.
* configure: Re-generate.
2020-02-11 Simon Marchi <simon.marchi@efficios.com>
* warning.m4: Move here, from gdb/warning.m4.
* acinclude.m4: Update warning.m4 path.
* Makefile.in: Re-generate.
2020-02-11 Simon Marchi <simon.marchi@efficios.com>
* acinclude.m4: Include ../gdb/warning.m4.
* configure.ac: Use AM_GDB_WARNINGS.
* Makefile.am: Set AM_CFLAGS to WARN_CFLAGS and WERROR_CFLAGS.
* Makefile.in: Re-generate.
* configure: Re-generate.
2020-02-10 Tom de Vries <tdevries@suse.de>
* environ.c (gdb_environ::set): Cast concat NULL sentinel to char *.
2020-01-24 Christian Biesinger <cbiesinger@google.com>
* thread-pool.c (set_thread_name): Add an overload for the NetBSD
version of pthread_setname_np.
2020-01-17 Pedro Alves <palves@redhat.com>
* Makefile.am: Append CXX_DIALECT to CXX.
* Makefile.in: Regenerate.
2020-01-17 Pedro Alves <palves@redhat.com>
* configure.ac: Generate config.h instead of support-config.h.
* common-defs.h: Include <gdbsupport/config.h> instead of
<gdbsupport/support-config.h>.
* Makefile.in: Regenerate.
* configure: Regenerate.
2020-01-14 Tom Tromey <tom@tromey.com>
* Makefile.in: Rebuild.
* Makefile.am (check-defines): New target.
* check-defines.el: New file.
2020-01-14 Tom Tromey <tom@tromey.com>
* configure, Makefile.in, aclocal.m4, common.m4, config.in:
Rebuild.
* common.m4 (GDB_AC_COMMON): Move many checks from
gdb/configure.ac.
* acinclude.m4: Include bfd.m4, ptrace.m4.
2020-01-14 Tom Tromey <tom@tromey.com>
* common-defs.h: Add GDBSERVER case. Update includes.
* acinclude.m4, aclocal.m4, config.in, configure, configure.ac,
Makefile.am, Makefile.in, README: New files.
* Moved from ../gdb/gdbsupport/
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