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binutils-gdb/gdbsupport
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Simon Marchi 8f942ca8a5 gdbsupport: add unordered_dense.h 4.4.0 
Add a copy of unordered_dense.h from [1].  This file implements an
efficient hash map and hash set with a nice C++ interface (a near
drop-in for std::unordered_map and std::unordered_set).  This is
expected to be used to replace uses of `htab_t`, for improved code
readability and type safety.  Performance-wise, it is preferred to the
std types (std::unordered_map and std::unordered_set) due to it using
open addressing vs closed addressing for the std types.

I chose this particular implementation because it is simple to use, it's
a standalone header and it typically performs well in benchmarks I have
seen (e.g. [2]).  The license being MIT, my understanding is that it's
not a problem to use it and re-distribute it.

Add two additional files, gdbsupport/unordered_map.h and
gdbsupport/unordered_set.h, which make the map and set offered by
gdbsupport/unordered_dense.h available as gdb::unordered_map and
gdb::unordered_set.

[1] https://github.com/martinus/unordered_dense
[2] https://jacksonallan.github.io/c_cpp_hash_tables_benchmark/#conclusion-which-hash-table-to-choose

Change-Id: I0c7469ccf9a14540465479e58b2a5140a2440a7d
Approved-By: Tom Tromey <tom@tromey.com>
2024-11-25 22:07:03 -05:00
..
.dir-locals.el
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.gitattributes
gdb, gdbserver, gdbsupport: add .gitattributes files
2020-03-05 15:59:22 +01:00
acinclude.m4
gdb: move libiberty.m4 to gdbsupport
2024-01-10 19:52:52 -05:00
aclocal.m4
[gdbsupport] Rerun autoreconf -f
2024-11-23 12:40:36 +01:00
agent.cc
gdb, gdbserver, gdbsupport: remove includes of early headers
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agent.h
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alt-stack.h
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array-view.h
[gdbsupport] Add gdb::array_view::{iterator,const_iterator}
2024-10-19 08:10:38 +02:00
ax.def
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block-signals.h
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break-common.h
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btrace-common.cc
[gdb] Fix some typos
2024-11-18 09:46:31 +01:00
btrace-common.h
btrace: Enable event tracing on Linux for Intel PT.
2024-09-24 14:22:28 +02:00
buildargv.h
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byte-vector.h
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ChangeLog-2020-2021
gdb: move remaining ChangeLogs to legacy files
2021-07-26 12:20:33 +01:00
check-defines.el
gdbsupport: assume that compiler supports std::{is_trivially_constructible,is_trivially_copyable}
2024-02-21 13:30:19 -05:00
cleanups.cc
gdb, gdbserver, gdbsupport: remove includes of early headers
2024-03-26 21:13:22 -04:00
cleanups.h
Rewrite final cleanups
2024-02-27 10:30:29 -07:00
common-debug.cc
gdb, gdbserver, gdbsupport: remove includes of early headers
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common-debug.h
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common-defs.h
[gdb/build] Use -fno-hoist-adjacent-loads for gcc <= 13
2024-10-18 00:18:24 +02:00
common-exceptions.cc
gdb, gdbserver, gdbsupport: use [[noreturn]] instead of ATTRIBUTE_NORETURN
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common-exceptions.h
gdb, gdbserver, gdbsupport: use [[noreturn]] instead of ATTRIBUTE_NORETURN
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common-gdbthread.h
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common-inferior.cc
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common-inferior.h
gdb: remove get_exec_file
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common-regcache.cc
gdb, gdbserver, gdbsupport: remove includes of early headers
2024-03-26 21:13:22 -04:00
common-regcache.h
[gdb/tdep] Use raw_supply_part_zeroed for AArch64
2024-11-12 11:37:50 +01:00
common-types.h
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common-utils.cc
gdb, gdbserver, gdbsupport: remove includes of early headers
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common-utils.h
gdb: add another overload of startswith
2024-09-07 21:48:34 +01:00
common.m4
btrace, python: Enable ptwrite filter registration.
2024-08-14 11:20:57 +02:00
compiler-type.m4
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config.in
btrace, python: Enable ptwrite filter registration.
2024-08-14 11:20:57 +02:00
configure
[gdbsupport] Rerun autoreconf -f
2024-11-23 12:40:36 +01:00
configure.ac
autoupdate: add square brackets around arguments of AC_INIT
2024-06-10 08:25:56 +09:30
create-version.sh
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def-vector.h
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default-init-alloc.h
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eintr.h
[gdb] Handle EINTR in ser-event.c
2024-11-22 17:44:29 +01:00
enum-flags.h
gdb, gdbsupport: use using in enum flags code
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environ.cc
gdb, gdbserver, gdbsupport: remove includes of early headers
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environ.h
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errors.cc
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errors.h
gdb, gdbserver, gdbsupport: use [[noreturn]] instead of ATTRIBUTE_NORETURN
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event-loop.cc
Use std::vector in event-loop.cc
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event-loop.h
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event-pipe.cc
[gdbsupport] Handle EINTR in event-pipe.cc
2024-11-22 17:44:29 +01:00
event-pipe.h
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fileio.cc
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fileio.h
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filestuff.cc
gdb, gdbserver, gdbsupport: remove includes of early headers
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filestuff.h
Introduce read_remainder_of_file
2024-02-27 09:46:31 -07:00
filtered-iterator.h
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format.cc
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format.h
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forward-scope-exit.h
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function-view.h
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gdb_assert.h
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gdb_binary_search.h
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gdb_file.h
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gdb_locale.h
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gdb_obstack.cc
gdb, gdbserver, gdbsupport: remove includes of early headers
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gdb_obstack.h
Require trivial destructor in allocate_on_obstack
2024-03-21 12:21:24 -06:00
gdb_proc_service.h
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gdb_ref_ptr.h
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gdb_regex.cc
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gdb_regex.h
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gdb_select.h
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gdb_setjmp.h
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gdb_signals.h
[gdb] Fix common misspellings
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gdb_splay_tree.h
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gdb_sys_time.h
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gdb_tilde_expand.cc
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gdb_tilde_expand.h
gdb: add overloads of gdb_tilde_expand
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gdb_unique_ptr.h
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gdb_unlinker.h
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gdb_vecs.cc
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gdb_vecs.h
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gdb_wait.cc
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gdb_wait.h
[gdb/build] Fix build on postmarketos
2024-03-14 21:28:44 +01:00
gdb-checked-static-cast.h
gdbsupport: rename include guard in gdb-checked-static-cast.h
2024-03-19 14:41:51 +00:00
gdb-dlfcn.cc
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gdb-dlfcn.h
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gdb-hashtab.h
Remove hashtab_obstack_allocate
2024-06-24 09:11:30 -06:00
gdb-safe-ctype.h
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gdb-sigmask.h
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gdb-xfree.h
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host-defs.h
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intrusive_list.h
gdbsupport/intrusive-list: add owning_intrusive_list
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iterator-range.h
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job-control.cc
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job-control.h
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libiberty.m4
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Makefile.am
gdb: split osabi support between gdb/ and gdbsupport/ directories
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Makefile.in
gdb: split osabi support between gdb/ and gdbsupport/ directories
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netstuff.cc
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netstuff.h
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new-op.cc
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next-iterator.h
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observable.h
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offset-type.h
[gdb] Fix common misspellings
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osabi.cc
gdb: split osabi support between gdb/ and gdbsupport/ directories
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osabi.def
gdb: split osabi support between gdb/ and gdbsupport/ directories
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osabi.h
gdb: split osabi support between gdb/ and gdbsupport/ directories
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owning_intrusive_list.h
gdbsupport/intrusive-list: add owning_intrusive_list
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packed.h
gdbsupport: assume that compiler supports std::{is_trivially_constructible,is_trivially_copyable}
2024-02-21 13:30:19 -05:00
parallel-for.h
[gdb/contrib] Add two rules in common-misspellings.txt
2024-11-23 12:20:34 +01:00
pathstuff.cc
Pass current directory to gdb_abspath
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pathstuff.h
Pass current directory to gdb_abspath
2024-10-19 13:18:00 -06:00
poison.h
gdbsupport: assume that compiler supports std::{is_trivially_constructible,is_trivially_copyable}
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preprocessor.h
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print-utils.cc
gdbsupport: constify some return values in print-utils.{h,cc}
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print-utils.h
gdbsupport: constify some return values in print-utils.{h,cc}
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ptid.cc
gdb, gdbserver, gdbsupport: remove includes of early headers
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ptid.h
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ptrace.m4
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range-chain.h
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README
…
refcounted-object.h
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reference-to-pointer-iterator.h
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rsp-low.cc
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rsp-low.h
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run-time-clock.cc
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run-time-clock.h
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safe-iterator.h
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safe-strerror.cc
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scope-exit.h
[gdb] Make scope_exit constructor throw
2024-09-24 13:47:56 +02:00
scoped_fd.h
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scoped_ignore_signal.h
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scoped_ignore_sigttou.h
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scoped_mmap.cc
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scoped_mmap.h
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scoped_restore.h
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scoped_signal_handler.h
gdb: Introduce RAII signal handler setter
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search.cc
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search.h
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selftest.cc
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selftest.h
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selftest.m4
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signals-state-save-restore.cc
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signals-state-save-restore.h
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signals.cc
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symbol.h
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task-group.cc
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task-group.h
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tdesc.cc
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tdesc.h
gdb/gdbserver: change shared set_tdesc_osabi to take gdb_osabi
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thread-pool.cc
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thread-pool.h
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traits.h
gdb: move RequireLongest to gdbsupport/traits.h
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underlying.h
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unordered_dense.h
gdbsupport: add unordered_dense.h 4.4.0
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unordered_map.h
gdbsupport: add unordered_dense.h 4.4.0
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unordered_set.h
gdbsupport: add unordered_dense.h 4.4.0
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valid-expr.h
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version.h
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warning.m4
gdb, gdbserver, gdbsupport: remove -Wno-vla-cxx-extension
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x86-xstate.h
gdb, gdbserver, python, testsuite: Remove MPX.
2024-09-25 11:06:57 +00:00
xml-utils.cc
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xml-utils.h
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README 

This is a helper library that is used by gdb and gdbserver.

To send patches, follow the gdb patch submission instructions in
../gdb/CONTRIBUTE.  For maintainers, see ../gdb/MAINTAINERS.