gdb-14.1

[Xi Ruoyao]

New major version.

[Xi Ruoyao]

GDB 14.1 includes the following changes and enhancements:

• Removed features, removed configurations:
  • GDB no longer support AiX 4.x, 5.x and 6.x. The minimum version supported is AiX 7.1.
  • GDB/MI version 1 support has been removed
• Initial built-in support for Debugger Adapter Protocol (DAP)
• GDB now recognizes the NO_COLOR environment variable
• Initial support for integer types larger than 64 bits
• Breakpoints can now be inferior-specific
• New convenience function "$_shell", to execute a shell command and return its result.
• Python support
  • New class gdb.Thread
  • New class gdb.unwinder.FrameId
  • New class gdb.ValuePrinter
  • New gdb.Inferior.arguments attribute, holding the command-line arguments to the inferior, if known
  • New gdb.Inferior.main_name attribute, holding the name of the inferior's 'main', if known.
  • New gdb.Breakpoint.inferior attribute
  • New gdb.Progspace.symbol_file attribute
  • New gdb.Progspace.executable_filename attribute
  • New function gdb.execute_mi(COMMAND, [ARG]...)
  • New function gdb.block_signals()
  • New method gdb.Frame.static_link
  • New gdb.Inferior 'clear_env', 'set_env' and 'unset_env' methods
  • New gdb.Type now has the 'is_array_like' and 'is_string_like' methods
  • New gdb.Value 'assign' method
  • New gdb.Value 'to_array' method
  • New gdb.Progspace 'objfile_for_address' method
  • New methods added to the gdb.PendingFrame class, with behavior which is the same as the corresponding methods on gdb.Frame.
  • gdb.LazyString now implements the str method
  • New event gdb.ThreadExitedEvent
  • New event gdb.ExecutableChangedEvent
  • New event gdb.NewProgspaceEvent
  • New event gdb.FreeProgspaceEvent
  • The frame-id passed to gdb.PendingFrame.create_unwind_info now use either an integer or a gdb.Value object for each of its 'sp', 'pc', and 'special' attributes.
  • The Disassembler API from the gdb.disassembler module has been extended to include styling support
  • gdb.parse_and_eval now has a new "global_context" parameter, allowing the request to only examine global symbols.
  • The name argument passed to gdb.unwinder.Unwinder.init must now be of type 'str' otherwise a TypeError will be raised.
  • The gdb.unwinder.Unwinder.enabled attribute can now only accept values of type 'bool'. Changing this attribute will now invalidate GDB's frame-cache.
  • It is now no longer possible to sub-class the gdb.disassembler.DisassemblerResult type.
• Remote protocol
  • Support for enabling or disabling individual remote target features
• GDB/MI support
  • New 'no-history' stop reason
  • Support for inferior-specific breakpoints
  • The bkpt tuple, which appears in breakpoint-created notifications, and in the result of the -break-insert command can now include an optional 'inferior' field for both the main breakpoint, and each location, when the breakpoint is inferior-specific.
  • Trying to create a thread-specific breakpoint using a non-existent thread ID now results in an error
  • New "simple-values-ref-types" -list-feature value indicating how the --simple-values option in various commands take reference types into account.
• Enhanced AArch64 support
  • Initial support for Scalable Matrix Extension (SME) and for Scalable Matrix Extension 2 (SME2)
  • The 'org.gnu.gdb.aarch64.pauth' Pointer Authentication feature is now deprecated in favor of the 'org.gnu.gdb.aarch64.pauth_v2' feature string
• Enhanced Ada support
  • Support for the Ada 2022 target name symbol ('@')
  • Support for the The Ada 2022 'Enum_Rep and 'Enum_Val attributes
• Miscellaneous
  • The 'list' command now accepts '.' as an argument, telling GDB to print the location around the point of execution within the current frame
  • New '%V' output format for printf and dprintf commands.
  • The printf command now limits the size of strings fetched from the inferior to the value of the 'max-value-size' setting.
  • Support for extending at configure time the default value of the 'debug-file-directory' GDB parameter via the new --additional-debug-dirs=PATHs configure option.
  • New command "info main"
  • New command "set tui mouse-events [on|off]" (on by default)
  • New command "set always-read-ctf on|off" (off by default)
  • Various new debug and maitenance commands

[Xi Ruoyao]

I get:

		=== gdb Summary ===

# of expected passes		103633
# of unexpected failures	1204
# of expected failures		220
# of known failures		103
# of unresolved testcases	9
# of untested testcases		135
# of unsupported tests		623
# of duplicate test names	3

Not very good...

[Rahul Chandra]

I got really good results,

=== gdb Summary ===

# of expected passes		106606
# of unexpected failures	51
# of expected failures		80
# of unknown successes		1
# of known failures		121
# of unresolved testcases	9
# of untested testcases		126
# of unsupported tests		410
# of duplicate test names	3
/blfs/builds/gdb-14.1/build/gdb/gdb version  14.1 -nw -nx -q -iex "set height 0" -iex "set width 0" -data-directory /blfs/builds/gdb-14.1/build/gdb/data-directory  -ex "maint set target-non-stop 
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[Rahul Chandra]

Running in a recent build with QEMU on an i9-10900 with CPU set to host.

[Rahul Chandra]

Fixed @ 15abfad2fb2f230d21f7b9e100eeec3afcd88d50