mirror of
https://github.com/netwide-assembler/nasm.git
synced 2024-12-15 09:09:58 +08:00
9bd1506d59
Remove a bunch of function pointers in the output stage; they are never changed and don't add any value. Also make "ofile" a global variable and let the backend use it directly. All we ever did with these variables were stashing it in locals and using them as-is anyway for no benefit. Also change the global error function, nasm_error() into a true function which invokes a function pointer internally. That lets us use direct calls to it. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
345 lines
7.7 KiB
C
345 lines
7.7 KiB
C
/* ----------------------------------------------------------------------- *
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*
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* Copyright 1996-2009 The NASM Authors - All Rights Reserved
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* See the file AUTHORS included with the NASM distribution for
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* the specific copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following
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* conditions are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* ----------------------------------------------------------------------- */
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/*
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* outform.h header file for binding output format drivers to the
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* remainder of the code in the Netwide Assembler
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*/
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/*
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* This header file allows configuration of which output formats
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* get compiled into the NASM binary. You can configure by defining
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* various preprocessor symbols beginning with "OF_", either on the
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* compiler command line or at the top of this file.
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*
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* OF_ONLY -- only include specified object formats
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* OF_name -- ensure that output format 'name' is included
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* OF_NO_name -- remove output format 'name'
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* OF_DOS -- ensure that 'obj', 'bin', 'win32' & 'win64' are included.
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* OF_UNIX -- ensure that 'aout', 'aoutb', 'coff', 'elf32' & 'elf64' are in.
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* OF_OTHERS -- ensure that 'bin', 'as86', 'rdf' 'macho32' & 'macho64' are in.
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* OF_ALL -- ensure that all formats are included.
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* note that this doesn't include 'dbg', which is
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* only really useful if you're doing development
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* work on NASM. Define OF_DBG if you want this.
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*
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* OF_DEFAULT=of_name -- ensure that 'name' is the default format.
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*
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* eg: -DOF_UNIX -DOF_ELF32 -DOF_DEFAULT=of_elf32 would be a suitable config
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* for an average linux system.
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*
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* Default config = -DOF_ALL -DOF_DEFAULT=of_bin
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*
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* You probably only want to set these options while compiling 'nasm.c'. */
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#ifndef NASM_OUTFORM_H
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#define NASM_OUTFORM_H
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#include "nasm.h"
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/* -------------- USER MODIFIABLE PART ---------------- */
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/*
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* Insert #defines here in accordance with the configuration
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* instructions above.
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*
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* E.g.
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*
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* #define OF_ONLY
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* #define OF_OBJ
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* #define OF_BIN
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*
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* for a 16-bit DOS assembler with no extraneous formats.
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*/
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/* ------------ END USER MODIFIABLE PART -------------- */
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/* ====configurable info begins here==== */
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/* formats configurable:
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* bin,obj,elf32,elf64,aout,aoutb,coff,win32,as86,rdf2,macho32,macho64 */
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/* process options... */
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#ifndef OF_ONLY
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#ifndef OF_ALL
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#define OF_ALL /* default is to have all formats */
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#endif
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#endif
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#ifdef OF_ALL /* set all formats on... */
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#ifndef OF_BIN
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#define OF_BIN
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#endif
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#ifndef OF_OBJ
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#define OF_OBJ
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#endif
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#ifndef OF_ELF32
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#define OF_ELF32
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#endif
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#ifndef OF_ELF64
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#define OF_ELF64
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#endif
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#ifndef OF_COFF
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#define OF_COFF
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#endif
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#ifndef OF_AOUT
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#define OF_AOUT
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#endif
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#ifndef OF_AOUTB
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#define OF_AOUTB
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#endif
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#ifndef OF_WIN32
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#define OF_WIN32
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#endif
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#ifndef OF_WIN64
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#define OF_WIN64
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#endif
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#ifndef OF_AS86
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#define OF_AS86
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#endif
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#ifndef OF_RDF2
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#define OF_RDF2
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#endif
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#ifndef OF_IEEE
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#define OF_IEEE
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#endif
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#ifndef OF_MACHO32
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#define OF_MACHO32
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#endif
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#ifndef OF_MACHO64
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#define OF_MACHO64
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#endif
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#ifndef OF_DBG
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#define OF_DBG
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#endif
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#endif /* OF_ALL */
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/* turn on groups of formats specified.... */
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#ifdef OF_DOS
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#ifndef OF_OBJ
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#define OF_OBJ
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#endif
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#ifndef OF_BIN
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#define OF_BIN
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#endif
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#ifndef OF_COFF
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#define OF_COFF /* COFF is used by DJGPP */
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#endif
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#ifndef OF_WIN32
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#define OF_WIN32
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#endif
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#ifndef OF_WIN64
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#define OF_WIN64
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#endif
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#endif
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#ifdef OF_UNIX
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#ifndef OF_AOUT
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#define OF_AOUT
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#endif
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#ifndef OF_AOUTB
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#define OF_AOUTB
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#endif
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#ifndef OF_COFF
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#define OF_COFF
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#endif
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#ifndef OF_ELF32
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#define OF_ELF32
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#endif
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#ifndef OF_ELF64
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#define OF_ELF64
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#endif
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#endif
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#ifdef OF_OTHERS
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#ifndef OF_BIN
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#define OF_BIN
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#endif
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#ifndef OF_AS86
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#define OF_AS86
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#endif
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#ifndef OF_RDF2
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#define OF_RDF2
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#endif
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#ifndef OF_IEEE
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#define OF_IEEE
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#endif
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#ifndef OF_MACHO32
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#define OF_MACHO32
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#endif
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#ifndef OF_MACHO64
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#define OF_MACHO64
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#endif
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#endif
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/* finally... override any format specifically specified to be off */
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#ifdef OF_NO_BIN
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#undef OF_BIN
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#endif
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#ifdef OF_NO_OBJ
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#undef OF_OBJ
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#endif
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#ifdef OF_NO_ELF32
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#undef OF_ELF32
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#endif
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#ifdef OF_NO_ELF64
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#undef OF_ELF64
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#endif
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#ifdef OF_NO_AOUT
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#undef OF_AOUT
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#endif
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#ifdef OF_NO_AOUTB
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#undef OF_AOUTB
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#endif
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#ifdef OF_NO_COFF
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#undef OF_COFF
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#endif
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#ifdef OF_NO_WIN32
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#undef OF_WIN32
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#endif
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#ifdef OF_NO_WIN64
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#undef OF_WIN64
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#endif
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#ifdef OF_NO_AS86
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#undef OF_AS86
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#endif
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#ifdef OF_NO_RDF2
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#undef OF_RDF
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#endif
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#ifdef OF_NO_IEEE
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#undef OF_IEEE
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#endif
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#ifdef OF_NO_MACHO32
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#undef OF_MACHO32
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#endif
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#ifdef OF_NO_MACHO64
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#undef OF_MACHO64
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#endif
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#ifdef OF_NO_DBG
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#undef OF_DBG
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#endif
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#ifndef OF_DEFAULT
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#define OF_DEFAULT of_bin
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#endif
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extern struct ofmt of_bin;
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extern struct ofmt of_ith;
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extern struct ofmt of_srec;
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extern struct ofmt of_aout;
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extern struct ofmt of_aoutb;
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extern struct ofmt of_coff;
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extern struct ofmt of_elf32;
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extern struct ofmt of_elf;
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extern struct ofmt of_elf64;
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extern struct ofmt of_as86;
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extern struct ofmt of_obj;
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extern struct ofmt of_win32;
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extern struct ofmt of_win64;
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extern struct ofmt of_rdf2;
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extern struct ofmt of_ieee;
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extern struct ofmt of_macho32;
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extern struct ofmt of_macho;
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extern struct ofmt of_macho64;
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extern struct ofmt of_dbg;
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#ifdef BUILD_DRIVERS_ARRAY /* only if included from outform.c */
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/* pull in the externs for the different formats, then make the *drivers
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* array based on the above defines */
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static struct ofmt *drivers[] = {
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#ifdef OF_BIN
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&of_bin,
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&of_ith,
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&of_srec,
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#endif
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#ifdef OF_AOUT
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&of_aout,
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#endif
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#ifdef OF_AOUTB
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&of_aoutb,
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#endif
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#ifdef OF_COFF
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&of_coff,
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#endif
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#ifdef OF_ELF32
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&of_elf32,
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&of_elf,
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#endif
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#ifdef OF_ELF64
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&of_elf64,
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#endif
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#ifdef OF_AS86
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&of_as86,
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#endif
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#ifdef OF_OBJ
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&of_obj,
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#endif
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#ifdef OF_WIN32
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&of_win32,
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#endif
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#ifdef OF_WIN64
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&of_win64,
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#endif
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#ifdef OF_RDF2
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&of_rdf2,
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#endif
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#ifdef OF_IEEE
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&of_ieee,
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#endif
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#ifdef OF_MACHO32
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&of_macho32,
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&of_macho,
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#endif
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#ifdef OF_MACHO64
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&of_macho64,
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#endif
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#ifdef OF_DBG
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&of_dbg,
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#endif
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NULL
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};
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#endif /* BUILD_DRIVERS_ARRAY */
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struct ofmt *ofmt_find(char *);
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struct dfmt *dfmt_find(struct ofmt *, char *);
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void ofmt_list(struct ofmt *, FILE *);
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void dfmt_list(struct ofmt *ofmt, FILE * fp);
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struct ofmt *ofmt_register(efunc error);
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extern struct dfmt null_debug_form;
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#endif /* NASM_OUTFORM_H */
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