/* * Copyright (c) 2004, 2006 Apple Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this * file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* * Interposing support. * When OBJC_ALLOW_INTERPOSING is set, calls to objc_msgSend_rtp * jump to the ordinary messenger via this stub. If objc_msgSend * itself is interposed, dyld will find and change this stub. * This stub must be compiled into a separate linker module. */ .data .align 4, 0x90 L_get_pc_thunk.edx: movl (%esp,1), %edx ret .data .picsymbol_stub L_objc_msgSend$stub: .indirect_symbol _objc_msgSend call L_get_pc_thunk.edx 1: movl L_objc_msgSend$lz-1b(%edx),%ecx jmp *%ecx L_objc_msgSend$stub_binder: lea L_objc_msgSend$lz-1b(%edx),%eax pushl %eax jmp dyld_stub_binding_helper nop .data .lazy_symbol_pointer L_objc_msgSend$lz: .indirect_symbol _objc_msgSend .long L_objc_msgSend$stub_binder .text .align 4, 0x90 .private_extern _objc_msgSend_stub _objc_msgSend_stub: jmp L_objc_msgSend$stub