Differential D25211 Diff 73084 lib/csu/common/crtbrand.S

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lib/csu/common/crtbrand.S

This file was moved from lib/csu/amd64/crt1.c.

	/* LINTLIBRARY */
	/*-			/*-
	* SPDX-License-Identifier: BSD-2-Clause-FreeBSD			* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
	*			*
	* Copyright 1996-1998 John D. Polstra.			* Copyright 2000 David E. O'Brien, John D. Polstra.
	* All rights reserved.			* All rights reserved.
	*			*
	* 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.
	*			*
	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR			* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES			* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.			* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,			* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT			* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,			* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY			* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT			* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	* (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 <machine/asm.h>
	__FBSDID("$FreeBSD$");			__FBSDID("$FreeBSD$");

	#include <stdlib.h>			#include <sys/param.h>
				jhbAuthorUnsubmitted Done Inline Actions This seemed less work than getting it added into ACFLAGS in various places at least as a hack, but I'd be fine moving this out to ACFLAGS if that is preferred. jhb: This seemed less work than getting it added into ACFLAGS in various places at least as a hack…
				#include <sys/elf_common.h>
				#include "notes.h"

	#include "libc_private.h"			/*
	#include "crtbrand.c"			* Special ".note.tag" entry specifying the ABI version. See
	#include "ignore_init.c"			* http://www.netbsd.org/Documentation/kernel/elf-notes.html
				* for more information.
				*/

	typedef void (*fptr)(void);			.section .note.tag,"a",%note
				.p2align 2
				.4byte 2f-1f
				.4byte 4f-3f
				.4byte NT_FREEBSD_ABI_TAG
				1: .asciz NOTE_FREEBSD_VENDOR
				2: .p2align 2
				3: .4byte __FreeBSD_version
				4:

	#ifdef GCRT			.section .note.tag,"a",%note
	extern void _mcleanup(void);			.p2align 2
	extern void monstartup(void , void );			.4byte 2f-1f
	extern int eprol;			.4byte 4f-3f
	extern int etext;			.4byte NT_FREEBSD_FEATURE_CTL
	#endif			1: .asciz NOTE_FREEBSD_VENDOR
				2: .p2align 2
	void _start(char *, void ()(void));			3: .4byte 0
				4:
	/* The entry function. */
	void
	_start(char *ap, void (cleanup)(void))
	{
	int argc;
	char **argv;
	char **env;

	argc = (long )(void *)ap;
	argv = ap + 1;
	env = ap + 2 + argc;
	handle_argv(argc, argv, env);

	if (&_DYNAMIC != NULL) {
	atexit(cleanup);
	} else {
	process_irelocs();
	_init_tls();
	}

	#ifdef GCRT
	atexit(_mcleanup);
	monstartup(&eprol, &etext);
	__asm__("eprol:");
	#endif

	handle_static_init(argc, argv, env);
	exit(main(argc, argv, env));
	}