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Fri, 13 Oct 2023 14:44:43 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by DS1PEPF0001709D.mail.protection.outlook.com (10.167.18.107) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.6838.22 via Frontend Transport; Fri, 13 Oct 2023 14:44:42 +0000 Received: from hpe6u-23.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Fri, 13 Oct 2023 09:44:42 -0500 From: Lancelot Six To: CC: Lancelot Six Subject: [PATCH 00/11] GDB: Require C++17 Date: Fri, 13 Oct 2023 14:44:07 +0000 Message-ID: <20231013144418.3180617-1-lancelot.six@amd.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS1PEPF0001709D:EE_|SJ2PR12MB7917:EE_ X-MS-Office365-Filtering-Correlation-Id: 0aeed628-89f4-42db-6865-08dbcbfaefee X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Oct 2023 14:44:42.9917 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 0aeed628-89f4-42db-6865-08dbcbfaefee X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d; Ip=[165.204.84.17]; Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DS1PEPF0001709D.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ2PR12MB7917 X-Spam-Status: No, score=-5.2 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FORGED_SPF_HELO, KAM_NUMSUBJECT, RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2, SPF_HELO_PASS, SPF_NONE, TXREP autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: gdb-patches@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gdb-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gdb-patches-bounces+patchwork=sourceware.org@sourceware.org Hi all, This series is a followup of the discussions from last Cauldron and Tom's RFC patch[1] regarding requiring C++17 in GDB. It seems that the overall sentiment is positive for such move, so here is a proper series. The first patch in the series is a preparatory step to improve configure's C++ dialect detection, importing recent changes from upstream autoconf to our locally maintained ax_cxx_compile_stdcxx.m4. Patch #2 is almost identical to what Tom sent[1], except that the regenerated configure scripts profit from patch #1. Patch #3 to #9 removes some locally maintained equivalent of features now available in C++17 standard library (std::make_unique, std::optional, std::string_view, stt::invoke_result). Finally, some places in GDB used to use some custom implementations depending on the current compiler's C++ version. Patch #10 and #11 remove the pre-C++17 branches (and the need for conditional compilation). Given that the patches can be big, I am not sure they will all make it through the mailing list. I have also pushed them under the `users/lsix/try-require-c++17` branch (there might be minor differences between the patch and the branch as I fix typos in the commit messages). I have tested this series on x86_64 GNU/Linux (Ubuntu-22.04) and have seen no regression. The try-bots did not report any issue either. I expect no user visible change after this series. As usual, all feedbacks are welcome. All the best, Lancelot. [1] https://sourceware.org/pipermail/gdb-patches/2023-October/202987.html Lancelot Six (11): gdb/ax_cxx_compile_stdcxx.m4: upgrade gdb/gdbsupport/gdbserver: Require c++17 gdb: Use C++17's std::make_unique instead of gdb::make_unique gdb: Replace gdb::optional with std::optional gdbsupport: remove gdb::optional gdb: Use std::string_view instead of gdb::string_view gdb: Remove uses of gdb::to_string (const std::string_view &) gdbsupport: Remove gdb::string_view gdbsupport: Replace gdb::invoke_result with std::invoke_result gdb/disasm.h: Mark callbacks noexcept unconditionally gdb: Use initializers in lambda captures unconditionally gdb/Makefile.in | 2 - gdb/NEWS | 3 + gdb/aarch64-linux-tdep.c | 10 +- gdb/ada-lang.c | 34 +- gdb/ada-lex.l | 2 +- gdb/ada-valprint.c | 4 +- gdb/addrmap.c | 3 +- gdb/amd-dbgapi-target.c | 4 +- gdb/amdgpu-tdep.c | 68 +- gdb/annotate.c | 2 +- gdb/arm-fbsd-tdep.c | 6 +- gdb/arm-fbsd-tdep.h | 2 +- gdb/arm-linux-tdep.c | 2 +- gdb/arm-tdep.c | 4 +- gdb/auto-load.c | 2 +- gdb/auxv.c | 10 +- gdb/auxv.h | 4 +- gdb/avr-tdep.c | 2 +- gdb/ax_cxx_compile_stdcxx.m4 | 126 +- gdb/break-catch-load.c | 3 +- gdb/breakpoint.c | 19 +- gdb/buildsym.c | 2 +- gdb/cli/cli-cmds.c | 6 +- gdb/cli/cli-cmds.h | 4 +- gdb/cli/cli-decode.c | 4 +- gdb/cli/cli-decode.h | 2 +- gdb/cli/cli-option.c | 14 +- gdb/cli/cli-option.h | 2 +- gdb/cli/cli-script.c | 4 +- gdb/command.h | 2 +- gdb/compile/compile-c-support.c | 3 +- gdb/compile/compile.c | 4 +- gdb/config.in | 4 +- gdb/configure | 1994 +++++++++++++++-- gdb/configure.ac | 4 +- gdb/cp-name-parser.y | 3 +- gdb/cp-support.c | 11 +- gdb/darwin-nat.c | 2 +- gdb/dbxread.c | 18 +- gdb/debuginfod-support.c | 19 +- gdb/disasm.c | 14 +- gdb/disasm.h | 29 +- gdb/dwarf2/attribute.h | 2 +- gdb/dwarf2/cooked-index.c | 13 +- gdb/dwarf2/cooked-index.h | 2 +- gdb/dwarf2/cu.h | 8 +- gdb/dwarf2/die.h | 4 +- gdb/dwarf2/frame.c | 3 +- gdb/dwarf2/index-cache.h | 2 +- gdb/dwarf2/index-common.c | 2 +- gdb/dwarf2/index-common.h | 2 +- gdb/dwarf2/index-write.c | 4 +- gdb/dwarf2/line-header.c | 4 +- gdb/dwarf2/macro.c | 4 +- gdb/dwarf2/macro.h | 2 +- gdb/dwarf2/read-debug-names.c | 3 +- gdb/dwarf2/read-gdb-index.c | 7 +- gdb/dwarf2/read.c | 31 +- gdb/dwarf2/read.h | 2 +- gdb/elfread.c | 8 +- gdb/eval.c | 2 +- gdb/event-top.c | 2 +- gdb/exceptions.c | 4 +- gdb/extension-priv.h | 6 +- gdb/extension.c | 12 +- gdb/extension.h | 8 +- gdb/f-lang.c | 2 +- gdb/fbsd-nat.c | 6 +- gdb/fbsd-nat.h | 4 +- gdb/fbsd-tdep.c | 8 +- gdb/gdb_bfd.c | 2 +- gdb/gdbthread.h | 8 +- gdb/gdbtypes.c | 21 +- gdb/gdbtypes.h | 8 +- gdb/guile/scm-ports.c | 4 +- gdb/ia64-tdep.c | 4 +- gdb/inf-child.c | 2 +- gdb/inf-child.h | 2 +- gdb/infcmd.c | 4 +- gdb/inferior.c | 4 +- gdb/inferior.h | 2 +- gdb/inflow.c | 4 +- gdb/infrun.c | 12 +- gdb/interps.c | 2 +- gdb/interps.h | 4 +- gdb/jit.c | 2 +- gdb/language.c | 2 +- gdb/linux-nat.c | 4 +- gdb/linux-nat.h | 2 +- gdb/linux-tdep.c | 26 +- gdb/linux-tdep.h | 4 +- gdb/linux-thread-db.c | 2 +- gdb/main.c | 4 +- gdb/mdebugread.c | 18 +- gdb/mi/mi-cmd-stack.c | 4 +- gdb/mi/mi-cmd-var.c | 2 +- gdb/mi/mi-cmds.c | 2 +- gdb/mi/mi-cmds.h | 8 +- gdb/mi/mi-interp.c | 2 +- gdb/mi/mi-interp.h | 2 +- gdb/mi/mi-main.c | 15 +- gdb/mi/mi-out.c | 7 +- gdb/minsyms.c | 4 +- gdb/minsyms.h | 2 +- gdb/nat/linux-btrace.c | 5 +- gdb/nat/linux-osdata.c | 8 +- gdb/nat/windows-nat.c | 6 +- gdb/nat/windows-nat.h | 4 +- gdb/observable.h | 2 +- gdb/osdata.c | 2 +- gdb/parse.c | 4 +- gdb/ppc-linux-nat.c | 4 +- gdb/ppc-linux-tdep.c | 2 +- gdb/ppc-tdep.h | 2 +- gdb/printcmd.c | 6 +- gdb/probe.c | 22 +- gdb/procfs.c | 2 +- gdb/psymtab.c | 4 +- gdb/psymtab.h | 6 +- gdb/python/py-disasm.c | 22 +- gdb/python/py-framefilter.c | 10 +- gdb/python/py-inferior.c | 2 +- gdb/python/py-mi.c | 5 +- gdb/python/py-utils.c | 4 +- gdb/python/py-varobj.c | 3 +- gdb/python/python-internal.h | 4 +- gdb/python/python.c | 8 +- gdb/ravenscar-thread.c | 4 +- gdb/record-btrace.c | 8 +- gdb/regcache.c | 4 +- gdb/remote.c | 16 +- gdb/riscv-tdep.c | 2 +- gdb/s390-linux-tdep.c | 2 +- gdb/skip.c | 4 +- gdb/solib-aix.c | 14 +- gdb/solib-dsbt.c | 2 +- gdb/solib-rocm.c | 28 +- gdb/solib-svr4.c | 16 +- gdb/solib-target.c | 2 +- gdb/source-cache.c | 2 +- gdb/split-name.c | 4 +- gdb/split-name.h | 4 +- gdb/stabsread.c | 2 +- gdb/stack.c | 16 +- gdb/stack.h | 2 +- gdb/symfile.c | 2 +- gdb/symtab.c | 38 +- gdb/symtab.h | 38 +- gdb/target.c | 16 +- gdb/target.h | 10 +- gdb/thread.c | 14 +- gdb/tracefile-tfile.c | 2 +- gdb/tracepoint.c | 2 +- gdb/tui/tui-disasm.c | 2 +- gdb/tui/tui-io.c | 2 +- gdb/tui/tui-layout.c | 2 +- gdb/tui/tui-win.c | 6 +- gdb/ui-out.c | 4 +- gdb/unittests/basic_string_view/capacity/1.cc | 172 -- .../basic_string_view/capacity/empty_neg.cc | 28 - .../basic_string_view/cons/char/1.cc | 67 - .../basic_string_view/cons/char/2.cc | 46 - .../basic_string_view/cons/char/3.cc | 39 - .../basic_string_view/cons/wchar_t/1.cc | 68 - .../basic_string_view/cons/wchar_t/2.cc | 45 - .../basic_string_view/cons/wchar_t/3.cc | 38 - .../element_access/char/1.cc | 70 - .../element_access/char/2.cc | 30 - .../element_access/char/empty.cc | 39 - .../element_access/char/front_back.cc | 43 - .../element_access/wchar_t/1.cc | 71 - .../element_access/wchar_t/2.cc | 32 - .../element_access/wchar_t/empty.cc | 38 - .../element_access/wchar_t/front_back.cc | 42 - gdb/unittests/basic_string_view/include.cc | 25 - .../basic_string_view/inserters/char/1.cc | 65 - .../basic_string_view/inserters/char/2.cc | 91 - .../basic_string_view/inserters/char/3.cc | 54 - .../inserters/pod/10081-out.cc | 75 - .../basic_string_view/inserters/wchar_t/1.cc | 70 - .../basic_string_view/inserters/wchar_t/2.cc | 91 - .../basic_string_view/inserters/wchar_t/3.cc | 53 - .../basic_string_view/literals/types.cc | 45 - .../basic_string_view/literals/values.cc | 72 - .../modifiers/remove_prefix/char/1.cc | 66 - .../modifiers/remove_prefix/wchar_t/1.cc | 61 - .../modifiers/remove_suffix/char/1.cc | 66 - .../modifiers/remove_suffix/wchar_t/1.cc | 61 - .../modifiers/swap/char/1.cc | 36 - .../modifiers/swap/wchar_t/1.cc | 35 - .../operations/compare/char/1.cc | 132 -- .../operations/compare/char/13650.cc | 50 - .../operations/compare/char/2.cc | 30 - .../operations/compare/char/70483.cc | 89 - .../operations/compare/wchar_t/1.cc | 133 -- .../operations/compare/wchar_t/13650.cc | 49 - .../operations/compare/wchar_t/2.cc | 30 - .../operations/copy/char/1.cc | 46 - .../operations/copy/wchar_t/1.cc | 46 - .../operations/data/char/1.cc | 44 - .../operations/data/wchar_t/1.cc | 43 - .../operations/find/char/1.cc | 168 -- .../operations/find/char/2.cc | 166 -- .../operations/find/char/3.cc | 166 -- .../operations/find/char/4.cc | 45 - .../operations/find/wchar_t/1.cc | 163 -- .../operations/find/wchar_t/2.cc | 161 -- .../operations/find/wchar_t/3.cc | 161 -- .../operations/find/wchar_t/4.cc | 44 - .../operations/rfind/char/1.cc | 95 - .../operations/rfind/char/2.cc | 53 - .../operations/rfind/char/3.cc | 68 - .../operations/rfind/wchar_t/1.cc | 94 - .../operations/rfind/wchar_t/2.cc | 52 - .../operations/rfind/wchar_t/3.cc | 66 - .../operations/string_conversion/1.cc | 51 - .../operations/substr/char/1.cc | 79 - .../operations/substr/wchar_t/1.cc | 79 - .../basic_string_view/operators/char/2.cc | 373 --- .../basic_string_view/operators/wchar_t/2.cc | 367 --- .../basic_string_view/range_access/char/1.cc | 47 - .../range_access/wchar_t/1.cc | 47 - .../requirements/explicit_instantiation/1.cc | 26 - .../explicit_instantiation/char/1.cc | 23 - .../explicit_instantiation/char16_t/1.cc | 24 - .../explicit_instantiation/char32_t/1.cc | 24 - .../explicit_instantiation/wchar_t/1.cc | 23 - .../requirements/typedefs.cc | 47 - gdb/unittests/basic_string_view/typedefs.cc | 36 - gdb/unittests/basic_string_view/types/1.cc | 43 - gdb/unittests/optional-selftests.c | 95 - gdb/unittests/optional/assignment/1.cc | 196 -- gdb/unittests/optional/assignment/2.cc | 194 -- gdb/unittests/optional/assignment/3.cc | 157 -- gdb/unittests/optional/assignment/4.cc | 157 -- gdb/unittests/optional/assignment/5.cc | 81 - gdb/unittests/optional/assignment/6.cc | 91 - gdb/unittests/optional/assignment/7.cc | 30 - gdb/unittests/optional/cons/copy.cc | 127 -- gdb/unittests/optional/cons/default.cc | 59 - gdb/unittests/optional/cons/move.cc | 125 -- gdb/unittests/optional/cons/value.cc | 295 --- gdb/unittests/optional/in_place.cc | 66 - gdb/unittests/optional/observers/1.cc | 32 - gdb/unittests/optional/observers/2.cc | 36 - gdb/unittests/parallel-for-selftests.c | 5 +- gdb/unittests/string_view-selftests.c | 193 -- gdb/utils.c | 6 +- gdb/valarith.c | 4 +- gdb/valops.c | 6 +- gdb/value.c | 2 +- gdb/value.h | 4 +- gdb/varobj.c | 3 +- gdb/windows-nat.c | 10 +- gdb/xcoffread.c | 18 +- gdb/xml-support.c | 4 +- gdb/xml-support.h | 6 +- gdb/xml-syscall.c | 2 +- gdb/xml-tdesc.c | 12 +- gdb/xml-tdesc.h | 4 +- gdbserver/config.in | 4 +- gdbserver/configure | 1980 ++++++++++++++-- gdbserver/configure.ac | 4 +- gdbserver/linux-aarch64-low.cc | 4 +- gdbserver/regcache.cc | 4 +- gdbserver/regcache.h | 2 +- gdbserver/win32-low.cc | 2 +- gdbsupport/Makefile.in | 2 +- gdbsupport/common-debug.h | 4 +- gdbsupport/common-utils.h | 8 +- gdbsupport/config.in | 4 +- gdbsupport/configure | 1980 ++++++++++++++-- gdbsupport/configure.ac | 4 +- gdbsupport/event-loop.cc | 6 +- gdbsupport/filestuff.cc | 2 +- gdbsupport/filestuff.h | 2 +- gdbsupport/filtered-iterator.h | 4 +- gdbsupport/format.h | 4 +- gdbsupport/forward-scope-exit.h | 6 +- gdbsupport/function-view.h | 4 +- gdbsupport/gdb_optional.h | 233 -- gdbsupport/gdb_string_view.h | 566 ----- gdbsupport/gdb_string_view.tcc | 219 -- gdbsupport/gdb_unique_ptr.h | 13 - gdbsupport/invoke-result.h | 37 - gdbsupport/parallel-for.h | 9 +- gdbsupport/range-chain.h | 2 +- gdbsupport/safe-iterator.h | 4 +- gdbsupport/scoped_ignore_sigttou.h | 2 +- gdbsupport/thread-pool.cc | 2 +- gdbsupport/thread-pool.h | 4 +- 291 files changed, 5968 insertions(+), 9706 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