1 /* 2 * Copyright (C) 2009 The Android Open Project 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in 12 * the documentation and/or other materials provided with the 13 * distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 .text 29 .align 4 30 .type _init,#function 31 .globl _init 32 33 # The toolchain for SH-Linux does not produce INIT_ARRAY information which 34 # bionic linker relies on. Instead of it, The toolchain for SH-Linux produces 35 # INIT information when it find the function whose name is '_init'. 36 # 37 _init: 38 sts.l pr, @-r15 39 mov.l r8, @-r15 40 mov.l 0f, r8 /* first entry is invalid */ 41 .L_loop: 42 add #4, r8 43 mov.l @r8, r0 44 cmp/eq #0, r0 /* Zero terimnated. See 'soend.so'. */ 45 bt .L_end 46 jsr @r0 /* invoke a constructor */ 47 nop 48 bra .L_loop 49 nop 50 .L_end: 51 mov.l @r15+, r8 52 lds.l @r15+, pr 53 54 rts 55 nop 56 57 .balign 4 58 0: .long __CTOR_LIST__ 59 60 # the .ctors section contains a list of pointers to "constructor" 61 # functions that need to be called in order during C library initialization, 62 # just before the program is being run. This is a C++ requirement 63 # 64 # the last entry shall be 0, and is defined in crtend.S 65 # 66 .section .ctors, "aw" 67 .globl __CTOR_LIST__ 68 __CTOR_LIST__: 69 .long -1 70 71
