Index: gnu/lib/Makefile =================================================================== --- gnu/lib/Makefile +++ gnu/lib/Makefile @@ -2,12 +2,16 @@ .include -SUBDIR= csu +SUBDIR= SUBDIR.${MK_DIALOG}+= libdialog SUBDIR.${MK_GCC}+= libgcov libgomp SUBDIR.${MK_SSP}+= libssp SUBDIR.${MK_TESTS}+= tests +.if ${MK_BSD_CRTBEGIN} == "no" +SUBDIR+= csu +.endif + .if ${MK_GNU_GREP} != "no" || ${MK_GNU_GREP_COMPAT} != "no" || \ ${MK_GDB} != "no" SUBDIR+= libregex Index: lib/csu/Makefile.inc =================================================================== --- lib/csu/Makefile.inc +++ lib/csu/Makefile.inc @@ -6,4 +6,27 @@ NO_WMISSING_VARIABLE_DECLARATIONS= +.include + +.if ${MK_BSD_CRTBEGIN} != "no" + +OBJS+= crtbegin.o crtbeginS.o crtbeginT.o +OBJS+= crtend.o crtendS.o + +CFLAGS_CRTS= -DSHARED ${PICFLAG} + +crtbegin.o: crtbegin.c +crtbeginS.o: crtbegin.c +crtbeginT.o: crtbegin.c +crtend.o: crtend.c +crtendS.o: crtend.c + +crtbegin.o crtend.o crtbeginT.o: + ${CC} ${CFLAGS} -I${.CURDIR} -c -o ${.TARGET} ${.ALLSRC} + +crtbeginS.o crtendS.o: + ${CC} ${CFLAGS} -I${.CURDIR} ${CFLAGS_CRTS} -c -o ${.TARGET} ${.ALLSRC} + +.endif + .include "../Makefile.inc" Index: lib/csu/aarch64/crt.h =================================================================== --- /dev/null +++ lib/csu/aarch64/crt.h @@ -0,0 +1 @@ +/* $FreeBSD$ */ Index: lib/csu/amd64/crt.h =================================================================== --- /dev/null +++ lib/csu/amd64/crt.h @@ -0,0 +1,32 @@ +/*- + * SPDX-License-Identifier: BSD-1-Clause + * + * Copyright 2018 Andrew Turner + * + * 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. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. + * + * $FreeBSD$ + */ + +#ifndef _CRT_H_ +#define _CRT_H_ + +#define HAVE_CTORS +#define INIT_CALL_SEQ(func) "call " __STRING(func) + +#endif Index: lib/csu/common/crtbegin.c =================================================================== --- /dev/null +++ lib/csu/common/crtbegin.c @@ -0,0 +1,99 @@ +/*- + * SPDX-License-Identifier: BSD-1-Clause + * + * Copyright 2018 Andrew Turner + * + * 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. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 +__FBSDID("$FreeBSD$"); + +#include + +#include "crt.h" + +typedef void (*crt_func)(void); + +/* + * On some architectures and toolchains we may need to call the .dtors. + * These are called in the order they are in the ELF file. + */ +#ifndef HAVE_CTORS +static void __do_global_dtors_aux(void) __used; + +crt_func __CTOR_LIST__[] __section(".ctors") __hidden = { + (crt_func)-1 +}; +crt_func __DTOR_LIST__[] __section(".dtors") __hidden = { + (crt_func)-1 +}; + +static void +__do_global_dtors_aux(void) +{ + crt_func fn; + int n; + + for (n = 1;; n++) { + fn = __DTOR_LIST__[n]; + if (fn == (crt_func)0 || fn == (crt_func)-1) + break; + fn(); + } +} + +asm ( + ".pushsection .fini \n" + INIT_CALL_SEQ(__do_global_dtors_aux) "\n" + ".popsection \n" +); +#endif + +/* + * Handler for gcj. These provide a _Jv_RegisterClasses function and fill + * out the .jcr section. We just need to call this function with a pointer + * to the appropriate section. + */ +extern void _Jv_RegisterClasses(void *) __weak_symbol; +static void register_classes(void) __used; + +crt_func __JCR_LIST__[] __section(".jcr") __used __hidden = { }; + +#ifndef CTORS_CONSTRUCTORS +__attribute__((constructor)) +#endif +static void +register_classes(void) +{ + + if (_Jv_RegisterClasses != NULL && __JCR_LIST__[0] != 0) + _Jv_RegisterClasses(__JCR_LIST__); +} + +/* + * We can't use constructors when they use the .ctors section as they may be + * placed before __CTOR_LIST__. + */ +#ifdef CTORS_CONSTRUCTORS +asm ( + ".pushsection .init \n" + INIT_CALL_SEQ(register_classes) "\n" + ".popsection \n" +); +#endif Index: lib/csu/common/crtend.c =================================================================== --- /dev/null +++ lib/csu/common/crtend.c @@ -0,0 +1,64 @@ +/*- + * SPDX-License-Identifier: BSD-1-Clause + * + * Copyright 2018 Andrew Turner + * + * 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. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 +__FBSDID("$FreeBSD$"); + +#include "crt.h" + +#ifdef HAVE_CTORS +typedef void (*crt_func)(void); + +/* + * On some architectures and toolchains we may need to call the .dtors. + * These are called in the reverse order they are in the ELF file. + */ +static void __do_global_ctors_aux(void) __used; + +crt_func __CTOR_END__[] __section(".ctors") __used __hidden = { + (crt_func)0 +}; +crt_func __DTOR_END__[] __section(".dtors") __used __hidden = { + (crt_func)0 +}; + +static void +__do_global_ctors_aux(void) +{ + crt_func fn; + int n; + + for (n = 1;; n++) { + fn = __CTOR_END__[-n]; + if (fn == (crt_func)0 || fn == (crt_func)-1) + break; + fn(); + } +} + +asm ( + ".pushsection .init \n" + INIT_CALL_SEQ(__do_global_ctors_aux) "\n" + ".popsection \n" +); +#endif Index: lib/csu/i386/crt.h =================================================================== --- /dev/null +++ lib/csu/i386/crt.h @@ -0,0 +1,32 @@ +/*- + * SPDX-License-Identifier: BSD-1-Clause + * + * Copyright 2018 Andrew Turner + * + * 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. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. + * + * $FreeBSD$ + */ + +#ifndef _CRT_H_ +#define _CRT_H_ + +#define HAVE_CTORS +#define INIT_CALL_SEQ(func) "call " __STRING(func) + +#endif Index: lib/csu/powerpc64/crt.h =================================================================== --- /dev/null +++ lib/csu/powerpc64/crt.h @@ -0,0 +1,33 @@ +/*- + * SPDX-License-Identifier: BSD-1-Clause + * + * Copyright 2018 Andrew Turner + * + * 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. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. + * + * $FreeBSD$ + */ + +#ifndef _CRT_H_ +#define _CRT_H_ + +#define HAVE_CTORS +#define CTORS_CONSTRUCTORS +#define INIT_CALL_SEQ(func) "bl " __STRING(func) "; nop" + +#endif Index: share/mk/src.opts.mk =================================================================== --- share/mk/src.opts.mk +++ share/mk/src.opts.mk @@ -388,6 +388,14 @@ __DEFAULT_NO_OPTIONS+=NVME .endif +.if ${__T} == "aarch64" || ${__T} == "powerpc64" +__DEFAULT_YES_OPTIONS+=BSD_CRTBEGIN +.elif ${__T} == "amd64" || ${__T} == "i386" +__DEFAULT_NO_OPTIONS+=BSD_CRTBEGIN +.else +BROKEN_OPTIONS+=BSD_CRTBEGIN +.endif + .include # Index: tools/build/options/WITHOUT_BSD_CRTBEGIN =================================================================== --- /dev/null +++ tools/build/options/WITHOUT_BSD_CRTBEGIN @@ -0,0 +1,2 @@ +.\" $FreeBSD$ +Disable the BSD licensed crtbegin.o and crtend.o Index: tools/build/options/WITH_BSD_CRTBEGIN =================================================================== --- /dev/null +++ tools/build/options/WITH_BSD_CRTBEGIN @@ -0,0 +1,2 @@ +.\" $FreeBSD$ +Enable the BSD licensed crtbegin.o and crtend.o