From efecfde19a1af5aacbd77a6124968df2d7a49a83 Mon Sep 17 00:00:00 2001 From: Shin-ichiro KAWASAKI Date: Mon, 31 Aug 2009 16:39:32 +0900 Subject: added and modified libdl to support SuperH architecture --- libdl/arch-sh/sobegin.S | 70 +++++++++++++++++++++++++++++++++++++++++++++++++ libdl/arch-sh/soend.S | 31 ++++++++++++++++++++++ 2 files changed, 101 insertions(+) create mode 100644 libdl/arch-sh/sobegin.S create mode 100644 libdl/arch-sh/soend.S (limited to 'libdl/arch-sh') diff --git a/libdl/arch-sh/sobegin.S b/libdl/arch-sh/sobegin.S new file mode 100644 index 0000000..976b1a6 --- /dev/null +++ b/libdl/arch-sh/sobegin.S @@ -0,0 +1,70 @@ +/* + * Copyright (C) 2009 The Android Open Project + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + .text + .align 4 + .type _init,#function + .globl _init + +# The toolchain for SH-Linux does not produce INIT_ARRAY information which +# bionic linker relies on. Instead of it, The toolchain for SH-Linux produces +# INIT information when it find the function whose name is '_init'. +# +_init: + sts.l pr, @-r15 + mov.l r8, @-r15 + mov.l 0f, r8 /* first entry is invalid */ +.L_loop: + add #4, r8 + mov.l @r8, r0 + cmp/eq #0, r0 /* Zero terimnated. See 'soend.so'. */ + bt .L_end + jsr @r0 /* invoke a constructor */ + nop + bra .L_loop + nop +.L_end: + mov.l @r15+, r8 + lds.l @r15+, pr + + rts + nop + + .balign 4 +0: .long __CTOR_LIST__ + +# the .ctors section contains a list of pointers to "constructor" +# functions that need to be called in order during C library initialization, +# just before the program is being run. This is a C++ requirement +# +# the last entry shall be 0, and is defined in crtend.S +# + .section .ctors, "aw" + .globl __CTOR_LIST__ +__CTOR_LIST__: + .long -1 + diff --git a/libdl/arch-sh/soend.S b/libdl/arch-sh/soend.S new file mode 100644 index 0000000..7fa98a4 --- /dev/null +++ b/libdl/arch-sh/soend.S @@ -0,0 +1,31 @@ +/* + * Copyright (C) 2009 The Android Open Project + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + + .section .ctors, "aw" + .long 0 + -- cgit v1.1