/* * Copyright (c) 2004 Suleiman Souhlal * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. 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 AUTHOR 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 AUTHOR 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. */ #include .globl CNAME(_ctx_done) .globl CNAME(abort) ENTRY(_ctx_start) mtlr %r14 blrl /* branch to start function */ mr %r3,%r15 /* pass pointer to ucontext as argument */ bl CNAME(_ctx_done) /* branch to ctxt completion func */ /* * we should never return from the * above branch. */ /* Don't bother saving off %r30, we're already in a bad state. */ bcl 20,31,1f 1: mflr %r30 mr %r3,%r30 # save for _DYNAMIC addis %r30,%r30,_GLOBAL_OFFSET_TABLE_-1b@ha addi %r30,%r30,_GLOBAL_OFFSET_TABLE_-1b@l bl PIC_PLT(CNAME(abort)) /* abort */ END(_ctx_start) .section .note.GNU-stack,"",%progbits