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97 lines
2.2 KiB
ObjectPascal
97 lines
2.2 KiB
ObjectPascal
{
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Copyright (c) 1998-2009 by Mazen NEIFER and David Zhang
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This unit contains the MIPS GAS instruction tables
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This program 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 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public 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., 675 Mass Ave, Cambridge, MA 02139, USA.
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****************************************************************************
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}
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unit itcpugas;
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{$i fpcdefs.inc}
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interface
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uses
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cpubase, cgbase;
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const
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gas_op2str: array[tasmop] of string[15] = ({$INCLUDE strinst.inc});
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function gas_regnum_search(const s: string): Tregister;
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function gas_regname(r: Tregister): string;
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implementation
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uses
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cutils, verbose;
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const
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gas_regname_table: array[tregisterindex] of string[7] = (
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{$i rmipsgas.inc}
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);
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gas_regname_index: array[tregisterindex] of tregisterindex = (
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{$i rmipssri.inc}
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);
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function findreg_by_gasname(const s: string): tregisterindex;
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var
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p: tregisterindex;
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begin
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for p := low(tregisterindex) to high(tregisterindex) do
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begin
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if gas_regname_table[gas_regname_index[p]] = s then
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begin
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findreg_by_gasname := gas_regname_index[p];
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exit
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end;
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end;
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findreg_by_gasname := 0;
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end;
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function gas_regnum_search(const s: string): Tregister;
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begin
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Result := regnumber_table[findreg_by_gasname(s)];
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end;
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function gas_regname(r: Tregister): string;
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var
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hr: tregister;
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p: longint;
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begin
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{ Double uses the same table as single }
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hr := r;
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case getsubreg(hr) of
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R_SUBFD:
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setsubreg(hr, R_SUBFS);
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R_SUBL, R_SUBW, R_SUBD, R_SUBQ:
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setsubreg(hr, R_SUBD);
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end;
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p := findreg_by_number(hr);
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if p <> 0 then
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Result := gas_regname_table[p]
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else
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Result := generic_regname(r);
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end;
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end.
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