xref: /netbsd-src/lib/csu/arch/mips/crtbegin.h (revision 1729cd5b7e969af8f5b868bac911f297a2bdc951)
12ad451b6Smatt /*-
22ad451b6Smatt  * Copyright (c) 2013 The NetBSD Foundation, Inc.
32ad451b6Smatt  * All rights reserved.
42ad451b6Smatt  *
52ad451b6Smatt  * This code is derived from software contributed to The NetBSD Foundation
62ad451b6Smatt  * by Matt Thomas of 3am Software Foundry.
72ad451b6Smatt  *
82ad451b6Smatt  * Redistribution and use in source and binary forms, with or without
92ad451b6Smatt  * modification, are permitted provided that the following conditions
102ad451b6Smatt  * are met:
112ad451b6Smatt  * 1. Redistributions of source code must retain the above copyright
122ad451b6Smatt  *    notice, this list of conditions and the following disclaimer.
132ad451b6Smatt  * 2. Redistributions in binary form must reproduce the above copyright
142ad451b6Smatt  *    notice, this list of conditions and the following disclaimer in the
152ad451b6Smatt  *    documentation and/or other materials provided with the distribution.
162ad451b6Smatt  *
172ad451b6Smatt  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
182ad451b6Smatt  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
192ad451b6Smatt  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
202ad451b6Smatt  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
212ad451b6Smatt  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
222ad451b6Smatt  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
232ad451b6Smatt  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
242ad451b6Smatt  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
252ad451b6Smatt  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
262ad451b6Smatt  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
272ad451b6Smatt  * POSSIBILITY OF SUCH DAMAGE.
282ad451b6Smatt  */
292ad451b6Smatt 
302ad451b6Smatt __asm(	"\n\t"
312ad451b6Smatt 	".pushsection .init, \"ax\", @progbits"			"\n\t"
3247068b9cSmatt #ifdef __mips_o32
3347068b9cSmatt 	".set noreorder"					"\n\t"
3447068b9cSmatt 	".set nomacro"						"\n\t"
35*1729cd5bSmatt 	"move	$28,$16" 					"\n\t"
3647068b9cSmatt 	"lw	$25,%got(__do_global_ctors_aux)($28)"		"\n\t"
3747068b9cSmatt 	"nop"							"\n\t"
3847068b9cSmatt 	"addiu   $25,$25,%lo(__do_global_ctors_aux)"		"\n\t"
3947068b9cSmatt 	".reloc	1f,R_MIPS_JALR,__do_global_ctors_aux"		"\n\t"
4047068b9cSmatt 	"1:	jalr	$25"					"\n\t"
4147068b9cSmatt         "nop"							"\n\t"
4247068b9cSmatt 	".set macro"						"\n\t"
4347068b9cSmatt 	".set reorder"						"\n\t"
4447068b9cSmatt #else
452ad451b6Smatt 	"jal	__do_global_ctors_aux"				"\n\t"
4647068b9cSmatt #endif
472ad451b6Smatt 	".popsection");
4847068b9cSmatt 
492ad451b6Smatt __asm(	"\n\t"
502ad451b6Smatt 	".pushsection .fini, \"ax\", @progbits" "\n\t"
5147068b9cSmatt #ifdef __mips_o32
5247068b9cSmatt 	".set noreorder"					"\n\t"
5347068b9cSmatt 	".set nomacro"						"\n\t"
54*1729cd5bSmatt 	"move	$28,$16" 					"\n\t"
5547068b9cSmatt 	"lw	$25,%got(__do_global_dtors_aux)($28)"		"\n\t"
5647068b9cSmatt 	"nop"							"\n\t"
5747068b9cSmatt 	"addiu   $25,$25,%lo(__do_global_dtors_aux)"		"\n\t"
5847068b9cSmatt 	".reloc	1f,R_MIPS_JALR,__do_global_dtors_aux"		"\n\t"
5947068b9cSmatt 	"1:	jalr	$25"					"\n\t"
6047068b9cSmatt         "nop"							"\n\t"
6147068b9cSmatt 	".set macro"						"\n\t"
6247068b9cSmatt 	".set reorder"						"\n\t"
6347068b9cSmatt #else
642ad451b6Smatt 	"jal	__do_global_dtors_aux"				"\n\t"
6547068b9cSmatt #endif
662ad451b6Smatt 	".popsection");
67