head 1.1; access; symbols netbsd-11-0-RC4:1.1 netbsd-11-0-RC3:1.1 netbsd-11-0-RC2:1.1 netbsd-11-0-RC1:1.1 perseant-exfatfs-base-20250801:1.1 netbsd-11:1.1.0.22 netbsd-11-base:1.1 netbsd-10-1-RELEASE:1.1 perseant-exfatfs-base-20240630:1.1 perseant-exfatfs:1.1.0.20 perseant-exfatfs-base:1.1 netbsd-8-3-RELEASE:1.1.4.2 netbsd-9-4-RELEASE:1.1 netbsd-10-0-RELEASE:1.1 netbsd-10-0-RC6:1.1 netbsd-10-0-RC5:1.1 netbsd-10-0-RC4:1.1 netbsd-10-0-RC3:1.1 netbsd-10-0-RC2:1.1 netbsd-10-0-RC1:1.1 netbsd-10:1.1.0.18 netbsd-10-base:1.1 netbsd-9-3-RELEASE:1.1 cjep_sun2x-base1:1.1 cjep_sun2x:1.1.0.16 cjep_sun2x-base:1.1 cjep_staticlib_x-base1:1.1 netbsd-9-2-RELEASE:1.1 cjep_staticlib_x:1.1.0.14 cjep_staticlib_x-base:1.1 netbsd-9-1-RELEASE:1.1 phil-wifi-20200421:1.1 phil-wifi-20200411:1.1 is-mlppp:1.1.0.12 is-mlppp-base:1.1 phil-wifi-20200406:1.1 netbsd-8-2-RELEASE:1.1.4.2 netbsd-9-0-RELEASE:1.1 netbsd-9-0-RC2:1.1 netbsd-9-0-RC1:1.1 phil-wifi-20191119:1.1 netbsd-9:1.1.0.10 netbsd-9-base:1.1 phil-wifi-20190609:1.1 netbsd-8-1-RELEASE:1.1.4.2 netbsd-8-1-RC1:1.1.4.2 pgoyette-compat-merge-20190127:1.1 pgoyette-compat-20190127:1.1 pgoyette-compat-20190118:1.1 pgoyette-compat-1226:1.1 pgoyette-compat-1126:1.1 pgoyette-compat-1020:1.1 pgoyette-compat-0930:1.1 pgoyette-compat-0906:1.1 pgoyette-compat-0728:1.1 netbsd-8-0-RELEASE:1.1.4.2 phil-wifi:1.1.0.8 phil-wifi-base:1.1 pgoyette-compat-0625:1.1 netbsd-8-0-RC2:1.1.4.2 pgoyette-compat-0521:1.1 pgoyette-compat-0502:1.1 pgoyette-compat-0422:1.1 netbsd-8-0-RC1:1.1.4.2 pgoyette-compat-0415:1.1 pgoyette-compat-0407:1.1 pgoyette-compat-0330:1.1 pgoyette-compat-0322:1.1 pgoyette-compat-0315:1.1 pgoyette-compat:1.1.0.6 pgoyette-compat-base:1.1 matt-nb8-mediatek:1.1.4.2.0.2 matt-nb8-mediatek-base:1.1.4.2 netbsd-8:1.1.0.4 perseant-stdc-iso10646:1.1.0.2 perseant-stdc-iso10646-base:1.1; locks; strict; comment @// @; 1.1 date 2017.07.11.15.21.36; author joerg; state Exp; branches 1.1.4.1; next ; commitid j27SMvSzJaMk6PYz; 1.1.4.1 date 2017.07.11.15.21.36; author bouyer; state dead; branches; next 1.1.4.2; commitid nPgbPzeE7jcLG55A; 1.1.4.2 date 2017.08.29.09.43.19; author bouyer; state Exp; branches; next ; commitid nPgbPzeE7jcLG55A; desc @@ 1.1 log @Implement __cxa_thread_atexit and __cxa_thread_atexit_impl. This functions are used for destructors of thread_local objects. If a pending destructor exists, prevent unloading of shared objects. Introduce __dl_cxa_refcount interface for this purpose. When the last reference is gone and the object has been dlclose'd before, the unloading is finalized. Ideally, __cxa_thread_atexit_impl wouldn't exist, but libstdc++ insists on providing __cxa_thread_atexit as direct wrapper without further patching. @ text @/*- * Copyright (c) 2017 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Joerg Sonnenberger. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include struct VerboseDestructor { const char *identifier; VerboseDestructor(const char *identifier_) : identifier(identifier_) { printf("in ctor: %s\n", identifier); } ~VerboseDestructor() { printf("in dtor: %s\n", identifier); } }; static VerboseDestructor global_dtor("global_dtor"); extern "C" void testfunc(void) { static thread_local VerboseDestructor tls_dtor("thread_local"); } @ 1.1.4.1 log @file h_helper_dso3.cpp was added on branch netbsd-8 on 2017-08-29 09:43:19 +0000 @ text @d1 46 @ 1.1.4.2 log @Pull up following revision(s) (requested by joerg in ticket #127): tests/libexec/ld.elf_so/h_thread_local_dtor.c: revision 1.1 external/gpl3/gcc/lib/libstdc++-v3/arch/earmv6/c++config.h: revision 1.14 external/gpl3/gcc/lib/libstdc++-v3/arch/earmeb/c++config.h: revision 1.17 lib/libc/stdlib/atexit.h: file removal lib/libc/stdlib/exit.c: revision 1.16 external/gpl3/gcc/lib/libstdc++-v3/arch/powerpc64/c++config.h: revision 1.8 lib/libc/stdlib/exit.c: revision 1.17 external/gpl3/gcc/lib/libstdc++-v3/arch/earmv7hf/c++config.h: revision 1.14 distrib/sets/lists/debug/shl.mi: revision 1.178 external/gpl3/gcc/lib/libstdc++-v3/arch/sh3el/c++config.h: revision 1.21 distrib/sets/lists/debug/shl.mi: revision 1.179 distrib/sets/lists/debug/mi: revision 1.219 lib/libpthread/pthread.c: revision 1.150 external/gpl3/gcc/lib/libstdc++-v3/arch/earmv7/c++config.h: revision 1.14 libexec/ld.elf_so/symbols.map: revision 1.2 include/dlfcn.h: revision 1.25 external/gpl3/gcc/lib/libstdc++-v3/arch/arm/c++config.h: revision 1.21 external/gpl3/gcc/lib/libstdc++-v3/arch/x86_64/c++config.h: revision 1.23 external/gpl3/gcc/lib/libstdc++-v3/arch/mips64el/c++config.h: revision 1.18 external/gpl3/gcc/lib/libstdc++-v3/arch/earmv4eb/c++config.h: revision 1.14 external/gpl3/gcc/lib/libstdc++-v3/arch/earm/c++config.h: revision 1.19 external/gpl3/gcc/lib/libstdc++-v3/arch/mipsel/c++config.h: revision 1.19 external/gpl3/gcc/lib/libstdc++-v3/arch/ia64/c++config.h: revision 1.5 external/gpl3/gcc/lib/libstdc++-v3/arch/earmv6eb/c++config.h: revision 1.14 external/gpl3/gcc/lib/libstdc++-v3/arch/earmhf/c++config.h: revision 1.17 distrib/sets/lists/tests/mi: revision 1.755 external/gpl3/gcc/lib/libstdc++-v3/arch/mips64eb/c++config.h: revision 1.19 external/gpl3/gcc/lib/libstdc++-v3/arch/i386/c++config.h: revision 1.20 external/gpl3/gcc/lib/libstdc++-v3/arch/vax/c++config.h: revision 1.21 external/gpl3/gcc/lib/libstdc++-v3/arch/armeb/c++config.h: revision 1.21 external/gpl3/gcc/lib/libstdc++-v3/arch/sparc/c++config.h: revision 1.20 lib/libc/dlfcn/dlfcn_elf.c: revision 1.14 tests/libexec/ld.elf_so/t_thread_local_dtor.sh: revision 1.1 tests/lib/libpthread/t_thread_local_dtor.sh: revision 1.1 lib/libc/stdlib/Makefile.inc: revision 1.93 lib/libc/include/atexit.h: revision 1.1 lib/libc/include/atexit.h: revision 1.2 external/gpl3/gcc/lib/libstdc++-v3/arch/m68k/c++config.h: revision 1.19 external/gpl3/gcc/lib/libstdc++-v3/arch/earmv6hf/c++config.h: revision 1.14 distrib/sets/lists/debug/shl.mi: revision 1.180 external/gpl3/gcc/lib/libstdc++-v3/arch/sparc64/c++config.h: revision 1.19 external/gpl3/gcc/lib/libstdc++-v3/arch/earmv6hfeb/c++config.h: revision 1.14 external/gpl3/gcc/lib/libstdc++-v3/arch/hppa/c++config.h: revision 1.19 external/gpl3/gcc/lib/libstdc++-v3/arch/earmv7hfeb/c++config.h: revision 1.14 lib/libc/stdlib/cxa_thread_atexit.c: revision 1.1 tests/libexec/ld.elf_so/helper_dso3/h_helper_dso3.cpp: revision 1.1 tests/libexec/ld.elf_so/helper_dso3/Makefile: revision 1.1 external/gpl3/gcc/lib/libstdc++-v3/arch/riscv64/c++config.h: revision 1.5 libexec/ld.elf_so/rtld.c: revision 1.185 external/gpl3/gcc/lib/libstdc++-v3/arch/sh3eb/c++config.h: revision 1.19 external/gpl3/gcc/lib/libstdc++-v3/arch/riscv32/c++config.h: revision 1.5 external/gpl3/gcc/lib/libstdc++-v3/arch/m68000/c++config.h: revision 1.15 external/gpl3/gcc/lib/libstdc++-v3/arch/mipseb/c++config.h: revision 1.21 external/gpl3/gcc/lib/libstdc++-v3/arch/coldfire/c++config.h: revision 1.12 external/gpl3/gcc/lib/libstdc++-v3/arch/earmv4/c++config.h: revision 1.14 external/gpl3/gcc/lib/libstdc++-v3/arch/earmhfeb/c++config.h: revision 1.15 external/gpl3/gcc/lib/libstdc++-v3/arch/alpha/c++config.h: revision 1.19 tests/libexec/ld.elf_so/Makefile: revision 1.9 external/gpl3/gcc/lib/libstdc++-v3/arch/powerpc/c++config.h: revision 1.20 external/gpl3/gcc/lib/libstdc++-v3/arch/earmv7eb/c++config.h: revision 1.14 tests/lib/libpthread/h_thread_local_dtor.cpp: revision 1.1 distrib/sets/lists/tests/shl.mi: revision 1.11 tests/lib/libpthread/Makefile: revision 1.13 libexec/ld.elf_so/rtld.h: revision 1.129 external/gpl3/gcc/lib/libstdc++-v3/arch/or1k/c++config.h: revision 1.6 Implement __cxa_thread_atexit and __cxa_thread_atexit_impl. This functions are used for destructors of thread_local objects. If a pending destructor exists, prevent unloading of shared objects. Introduce __dl_cxa_refcount interface for this purpose. When the last reference is gone and the object has been dlclose'd before, the unloading is finalized. Ideally, __cxa_thread_atexit_impl wouldn't exist, but libstdc++ insists on providing __cxa_thread_atexit as direct wrapper without further patching. Fix filename of new debug file Add misising DEBUGLIB file Avoid common declaration. Drop TLS variant checks, emutls is enough for VAX and Sun2. @ text @a0 46 /*- * Copyright (c) 2017 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Joerg Sonnenberger. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include struct VerboseDestructor { const char *identifier; VerboseDestructor(const char *identifier_) : identifier(identifier_) { printf("in ctor: %s\n", identifier); } ~VerboseDestructor() { printf("in dtor: %s\n", identifier); } }; static VerboseDestructor global_dtor("global_dtor"); extern "C" void testfunc(void) { static thread_local VerboseDestructor tls_dtor("thread_local"); } @