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crtbegin.h revision 1.2 
      1 /*-
      2  * Copyright (c) 2013 The NetBSD Foundation, Inc.
      3  * All rights reserved.
      4  *
      5  * This code is derived from software contributed to The NetBSD Foundation
      6  * by Matt Thomas of 3am Software Foundry.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     18  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     20  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     21  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     22  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     23  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     24  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     25  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     26  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     27  * POSSIBILITY OF SUCH DAMAGE.
     28  */
     29 
     30 __asm(	"\n\t"
     31 	".pushsection .init, \"ax\", @progbits"			"\n\t"
     32 #ifdef __mips_o32
     33 	".set noreorder"					"\n\t"
     34 	".set nomacro"						"\n\t"
     35 	"lw	$28,16($sp)" 					"\n\t"
     36 	"nop"							"\n\t"
     37 	"lw	$25,%got(__do_global_ctors_aux)($28)"		"\n\t"
     38 	"nop"							"\n\t"
     39 	"addiu   $25,$25,%lo(__do_global_ctors_aux)"		"\n\t"
     40 	".reloc	1f,R_MIPS_JALR,__do_global_ctors_aux"		"\n\t"
     41 	"1:	jalr	$25"					"\n\t"
     42         "nop"							"\n\t"
     43 	".set macro"						"\n\t"
     44 	".set reorder"						"\n\t"
     45 #else
     46 	"jal	__do_global_ctors_aux"				"\n\t"
     47 #endif
     48 	".popsection");
     49 
     50 __asm(	"\n\t"
     51 	".pushsection .fini, \"ax\", @progbits" "\n\t"
     52 #ifdef __mips_o32
     53 	".set noreorder"					"\n\t"
     54 	".set nomacro"						"\n\t"
     55 	"lw	$28,16($sp)" 					"\n\t"
     56 	"nop"							"\n\t"
     57 	"lw	$25,%got(__do_global_dtors_aux)($28)"		"\n\t"
     58 	"nop"							"\n\t"
     59 	"addiu   $25,$25,%lo(__do_global_dtors_aux)"		"\n\t"
     60 	".reloc	1f,R_MIPS_JALR,__do_global_dtors_aux"		"\n\t"
     61 	"1:	jalr	$25"					"\n\t"
     62         "nop"							"\n\t"
     63 	".set macro"						"\n\t"
     64 	".set reorder"						"\n\t"
     65 #else
     66 	"jal	__do_global_dtors_aux"				"\n\t"
     67 #endif
     68 	".popsection");
     69