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98 lines
4.1 KiB
C
98 lines
4.1 KiB
C
/* ARC target-dependent stuff. Extension data structures.
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Copyright 1995, 1997, 2000, 2001, 2005, 2007 Free Software Foundation, Inc.
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Copyright 2008-2012 Synopsys Inc.
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This file is part of libopcodes.
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This library is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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It is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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/******************************************************************************/
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/* */
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/* Outline: */
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/* This header file defines a table of extensions to the ARC processor */
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/* architecture. These extensions are read from the '.arcextmap' or */
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/* '.gnu.linkonce.arcextmap.<type>.<N>' sections in the ELF file which is */
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/* identified by the bfd parameter to the build_ARC_extmap function. */
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/* */
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/* These extensions may include: */
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/* core registers */
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/* auxiliary registers */
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/* instructions */
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/* condition codes */
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/* */
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/* Once the table has been constructed, accessor functions may be used to */
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/* retrieve information from it. */
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/* */
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/* The build_ARC_extmap constructor function build_ARC_extmap may be */
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/* called as many times as required; it will re-initialize the table each */
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/* time. */
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/* */
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/******************************************************************************/
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#ifndef ARC_EXTENSIONS_H
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#define ARC_EXTENSIONS_H
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#define IGNORE_FIRST_OPD 1
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/* Define this if we do not want to encode instructions based on the
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ARCompact Programmer's Reference. */
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#define UNMANGLED
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/* this defines the kinds of extensions which may be read from the sections in
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* the executable files
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*/
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enum ExtOperType
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{
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EXT_INSTRUCTION = 0,
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EXT_CORE_REGISTER = 1,
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EXT_AUX_REGISTER = 2,
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EXT_COND_CODE = 3,
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EXT_INSTRUCTION32 = 4, /* why are there */
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EXT_AC_INSTRUCTION = 4, /* two with value 4? */
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EXT_REMOVE_CORE_REG = 5,
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EXT_LONG_CORE_REGISTER = 6,
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EXT_AUX_REGISTER_EXTENDED = 7,
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EXT_INSTRUCTION32_EXTENDED = 8,
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EXT_CORE_REGISTER_CLASS = 9
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};
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enum ExtReadWrite
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{
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REG_INVALID,
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REG_READ,
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REG_WRITE,
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REG_READWRITE
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};
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/* constructor function */
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extern void build_ARC_extmap (void* text_bfd);
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/* accessor functions */
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extern enum ExtReadWrite arcExtMap_coreReadWrite (int regnum);
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extern const char* arcExtMap_coreRegName (int regnum);
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extern const char* arcExtMap_auxRegName (long regnum);
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extern const char* arcExtMap_condCodeName (int code);
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extern const char* arcExtMap_instName (int opcode, int insn, int* flags);
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/* dump function (for debugging) */
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void dump_ARC_extmap (void);
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#endif /* ARC_EXTENSIONS_H */
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/******************************************************************************/
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