Differential D17363 Diff 48737 lib/csu/common/ignore_init.c

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lib/csu/common/ignore_init.c

	/*-			/*-
	* SPDX-License-Identifier: BSD-2-Clause-FreeBSD			* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
	*			*
	* Copyright 2012 Konstantin Belousov <kib@FreeBSD.org>			* Copyright 2012 Konstantin Belousov <kib@FreeBSD.org>
	* All rights reserved.			* Copyright (c) 2018 The FreeBSD Foundation
	*			*
				* Parts of this software was developed by Konstantin Belousov
				* <kib@FreeBSD.org> under sponsorship from the FreeBSD Foundation.
				*
	* Redistribution and use in source and binary forms, with or without			* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions			* modification, are permitted provided that the following conditions
	* are met:			* are met:
	* 1. Redistributions of source code must retain the above copyright			* 1. Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.			* notice, this list of conditions and the following disclaimer.
	* 2. Redistributions in binary form must reproduce the above copyright			* 2. Redistributions in binary form must reproduce the above copyright
	* notice, this list of conditions and the following disclaimer in the			* notice, this list of conditions and the following disclaimer in the
	* documentation and/or other materials provided with the distribution.			* documentation and/or other materials provided with the distribution.
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	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF			* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.			* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	*/			*/

	#include <sys/cdefs.h>			#include <sys/cdefs.h>
	__FBSDID("$FreeBSD$");			__FBSDID("$FreeBSD$");

	#include <sys/param.h>			#include <sys/param.h>
				#include <sys/elf.h>
	#include <sys/elf_common.h>			#include <sys/elf_common.h>

	#include "notes.h"			#include "notes.h"

	extern int main(int, char , char );			extern int main(int, char , char );

	extern void (__preinit_array_start[])(int, char , char *) __hidden;			extern void (__preinit_array_start[])(int, char , char *) __hidden;
	extern void (__preinit_array_end[])(int, char , char *) __hidden;			extern void (__preinit_array_end[])(int, char , char *) __hidden;
	extern void (__init_array_start[])(int, char , char *) __hidden;			extern void (__init_array_start[])(int, char , char *) __hidden;
	extern void (__init_array_end[])(int, char , char *) __hidden;			extern void (__init_array_end[])(int, char , char *) __hidden;
	extern void (*__fini_array_start[])(void) __hidden;			extern void (*__fini_array_start[])(void) __hidden;
	extern void (*__fini_array_end[])(void) __hidden;			extern void (*__fini_array_end[])(void) __hidden;
	extern void _fini(void) __hidden;			extern void _fini(void) __hidden;
	extern void _init(void) __hidden;			extern void _init(void) __hidden;

	extern int _DYNAMIC;			extern int _DYNAMIC;
	#pragma weak _DYNAMIC			#pragma weak _DYNAMIC

				#if defined(CRT_IRELOC_RELA)
				emasteUnsubmitted Not Done Inline Actions I'm slightly surprised to find this in ignore_init.c emaste: I'm slightly surprised to find this in //ignore_init.c//
				kibAuthorUnsubmitted Done Inline Actions I may rename it after this change lands. kib: I may rename it after this change lands.
				emasteUnsubmitted Not Done Inline Actions Should we perhaps combine crtbrand.c and ignore_init.c into one? emaste: Should we perhaps combine //crtbrand.c// and //ignore_init.c// into one?
				kibAuthorUnsubmitted Done Inline Actions We can. I do not have a strong opinion. I slightly prefer a split. kib: We can. I do not have a strong opinion. I slightly prefer a split.
				emasteUnsubmitted Not Done Inline Actions Just seems strange to me to combine crtbrand and my upcoming feature flags into one, and ignore_init and ifuncs into another. But either way I agree this can be a change after this patch. emaste: Just seems strange to me to combine crtbrand and my upcoming feature flags into one, and…
				extern const Elf_Rela __rela_iplt_start[] __weak_symbol __hidden;
				extern const Elf_Rela __rela_iplt_end[] __weak_symbol __hidden;

				#include "reloc.c"

				static void
				process_irelocs(void)
				{
				const Elf_Rela *r;

				for (r = &__rela_iplt_start[0]; r < &__rela_iplt_end[0]; r++)
				crt1_handle_rela(r);
				}
				#elif defined(CRT_IRELOC_REL)
				extern const Elf_Rel __rel_iplt_start[] __weak_symbol __hidden;
				extern const Elf_Rel __rel_iplt_end[] __weak_symbol __hidden;

				#include "reloc.c"

				static void
				process_irelocs(void)
				{
				const Elf_Rel *r;

				for (r = &__rel_iplt_start[0]; r < &__rel_iplt_end[0]; r++)
				crt1_handle_rel(r);
				}
				#elif defined(CRT_IRELOC_SUPPRESS)
				markjUnsubmitted Done Inline Actions should be "_SUPPRESS" markj: should be "_SUPPRESS"
				static void
				process_irelocs(void)
				{
				}
				#else
				#error "Define platform reloc type"
				#endif

	char **environ;			char **environ;
	const char *__progname = "";			const char *__progname = "";

	static void			static void
	finalizer(void)			finalizer(void)
	{			{
	void (*fn)(void);			void (*fn)(void);
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