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2350 lines
67 KiB
ObjectPascal
2350 lines
67 KiB
ObjectPascal
{
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Copyright (c) 1998-2002 by Florian Klaempfl
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This unit implements an abstract asmoutput class for all processor types
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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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{ @abstract(This unit implements an abstract asm output class for all processor types)
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This unit implements an abstract assembler output class for all processors, these
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are then overriden for each assembler writer to actually write the data in these
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classes to an assembler file.
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}
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unit aasmtai;
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{$i fpcdefs.inc}
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interface
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uses
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cutils,cclasses,
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globtype,globals,systems,
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cpuinfo,cpubase,
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cgbase,cgutils,
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symtype,
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aasmbase;
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type
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taitype = (
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ait_none,
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ait_align,
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ait_section,
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ait_comment,
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ait_string,
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ait_instruction,
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ait_datablock,
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ait_symbol,
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ait_symbol_end, { needed to calc the size of a symbol }
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ait_directive,
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ait_label,
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{ the const_xx must be below each other so it can be used as
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array index }
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ait_const_128bit,
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ait_const_64bit,
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ait_const_32bit,
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ait_const_16bit,
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ait_const_8bit,
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ait_const_sleb128bit,
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ait_const_uleb128bit,
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ait_const_rva_symbol, { win32 only }
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ait_const_indirect_symbol, { darwin only }
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ait_real_32bit,
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ait_real_64bit,
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ait_real_80bit,
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ait_comp_64bit,
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ait_real_128bit,
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ait_stab,
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ait_force_line,
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ait_function_name,
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{$ifdef alpha}
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{ the follow is for the DEC Alpha }
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ait_frame,
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ait_ent,
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{$endif alpha}
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{$ifdef ia64}
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ait_bundle,
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ait_stop,
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{$endif ia64}
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{$ifdef m68k}
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ait_labeled_instruction,
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{$endif m68k}
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{ used to split into tiny assembler files }
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ait_cutobject,
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ait_regalloc,
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ait_tempalloc,
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{ used to mark assembler blocks and inlined functions }
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ait_marker
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);
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const
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{$ifdef cpu64bit}
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ait_const_aint = ait_const_64bit;
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ait_const_ptr = ait_const_64bit;
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{$else cpu64bit}
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ait_const_aint = ait_const_32bit;
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ait_const_ptr = ait_const_32bit;
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{$endif cpu64bit}
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taitypestr : array[taitype] of string[24] = (
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'<none>',
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'align',
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'section',
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'comment',
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'string',
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'instruction',
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'datablock',
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'symbol',
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'symbol_end',
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'symbol_directive',
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'label',
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'const_128bit',
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'const_64bit',
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'const_32bit',
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'const_16bit',
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'const_8bit',
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'const_sleb128bit',
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'const_uleb128bit',
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'const_rva_symbol',
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'const_indirect_symbol',
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'real_32bit',
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'real_64bit',
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'real_80bit',
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'comp_64bit',
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'real_128bit',
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'stab',
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'force_line',
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'function_name',
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{$ifdef alpha}
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{ the follow is for the DEC Alpha }
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'frame',
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'ent',
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{$endif alpha}
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{$ifdef ia64}
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'bundle',
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'stop',
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{$endif ia64}
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{$ifdef m68k}
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'labeled_instr',
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{$endif m68k}
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'cut',
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'regalloc',
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'tempalloc',
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'marker'
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);
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type
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{ Types of operand }
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toptype=(top_none,top_reg,top_ref,top_const,top_bool,top_local
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{$ifdef arm}
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{ ARM only }
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,top_regset
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,top_shifterop
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{$endif arm}
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{$ifdef m68k}
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{ m68k only }
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,top_regset
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{$endif m68k}
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{ i386 only});
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{ kinds of operations that an instruction can perform on an operand }
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topertype = (operand_read,operand_write,operand_readwrite);
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tlocaloper = record
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localsym : pointer;
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localsymderef : tderef;
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localsymofs : longint;
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localindexreg : tregister;
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localscale : byte;
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localgetoffset,
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localforceref : boolean
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end;
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plocaloper = ^tlocaloper;
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{ please keep the size of this record <=12 bytes and keep it properly aligned }
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toper = record
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ot : longint;
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case typ : toptype of
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top_none : ();
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top_reg : (reg:tregister);
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top_ref : (ref:preference);
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top_const : (val:aint);
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top_bool : (b:boolean);
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{ local varsym that will be inserted in pass_2 }
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top_local : (localoper:plocaloper);
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{$ifdef arm}
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top_regset : (regset:^tcpuregisterset);
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top_shifterop : (shifterop : pshifterop);
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{$endif arm}
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{$ifdef m68k}
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top_regset : (regset:^tcpuregisterset);
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{$endif m68k}
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end;
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poper=^toper;
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{ ait_* types which don't result in executable code or which don't influence }
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{ the way the program runs/behaves, but which may be encountered by the }
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{ optimizer (= if it's sometimes added to the exprasm list). Update if you add }
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{ a new ait type! }
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const
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SkipInstr = [ait_comment, ait_symbol,ait_section
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,ait_stab, ait_function_name, ait_force_line
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,ait_regalloc, ait_tempalloc, ait_symbol_end, ait_directive];
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{ ait_* types which do not have line information (and hence which are of type
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tai, otherwise, they are of type tailineinfo }
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SkipLineInfo =[ait_label,
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ait_regalloc,ait_tempalloc,
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ait_stab,ait_function_name,
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ait_cutobject,ait_marker,ait_align,ait_section,ait_comment,
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ait_const_8bit,ait_const_16bit,ait_const_32bit,ait_const_64bit,ait_const_128bit,
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ait_const_sleb128bit,ait_const_uleb128bit,
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ait_const_rva_symbol,ait_const_indirect_symbol,
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ait_real_32bit,ait_real_64bit,ait_real_80bit,ait_comp_64bit,ait_real_128bit
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];
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type
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{ cut type, required for alphanumeric ordering of the assembler filenames }
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TCutPlace=(cut_normal,cut_begin,cut_end);
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TRegAllocType = (ra_alloc,ra_dealloc,ra_sync,ra_resize);
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TMarker = (NoPropInfoStart,NoPropInfoEnd,
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AsmBlockStart,AsmBlockEnd,
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InlineStart,InlineEnd,marker_blockstart,
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marker_position);
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{ Buffer type used for alignment }
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tfillbuffer = array[0..63] of char;
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Tspill_temp_list=array[tsuperregister] of Treference;
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{ abstract assembler item }
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tai = class(TLinkedListItem)
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{$ifndef NOOPT}
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{ pointer to record with optimizer info about this tai object }
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optinfo : pointer;
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{$endif NOOPT}
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typ : taitype;
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constructor Create;
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constructor ppuload(t:taitype;ppufile:tcompilerppufile);virtual;
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procedure ppuwrite(ppufile:tcompilerppufile);virtual;
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procedure buildderefimpl;virtual;
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procedure derefimpl;virtual;
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end;
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{ abstract assembler item with line information }
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tailineinfo = class(tai)
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fileinfo : tfileposinfo;
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constructor Create;
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constructor ppuload(t:taitype;ppufile:tcompilerppufile);override;
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procedure ppuwrite(ppufile:tcompilerppufile);override;
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end;
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tai_simple = class(tai)
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constructor create(_typ : taitype);
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end;
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taiclass = class of tai;
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taiclassarray = array[taitype] of taiclass;
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{ Generates an assembler string }
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tai_string = class(tailineinfo)
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str : pchar;
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{ extra len so the string can contain an \0 }
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len : longint;
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constructor Create(const _str : string);
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constructor Create_pchar(_str : pchar;length : longint);
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destructor Destroy;override;
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constructor ppuload(t:taitype;ppufile:tcompilerppufile);override;
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procedure ppuwrite(ppufile:tcompilerppufile);override;
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function getcopy:tlinkedlistitem;override;
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end;
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{ Generates a common label }
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tai_symbol = class(tailineinfo)
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is_global : boolean;
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sym : tasmsymbol;
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size : longint;
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constructor Create(_sym:tasmsymbol;siz:longint);
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constructor Create_Global(_sym:tasmsymbol;siz:longint);
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constructor Createname(const _name : string;_symtyp:Tasmsymtype;siz:longint);
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constructor Createname_global(const _name : string;_symtyp:Tasmsymtype;siz:longint);
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constructor ppuload(t:taitype;ppufile:tcompilerppufile);override;
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procedure ppuwrite(ppufile:tcompilerppufile);override;
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procedure derefimpl;override;
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end;
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tai_symbol_end = class(tailineinfo)
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sym : tasmsymbol;
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constructor Create(_sym:tasmsymbol);
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constructor Createname(const _name : string);
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constructor ppuload(t:taitype;ppufile:tcompilerppufile);override;
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procedure ppuwrite(ppufile:tcompilerppufile);override;
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procedure derefimpl;override;
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end;
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tasmdirective=(asd_non_lazy_symbol_pointer,asd_indirect_symbol,asd_lazy_symbol_pointer,
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asd_extern,asd_nasm_import);
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tai_directive = class(tailineinfo)
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name : pstring;
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directive : tasmdirective;
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constructor Create(_directive:tasmdirective;const _name:string);
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destructor Destroy;override;
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constructor ppuload(t:taitype;ppufile:tcompilerppufile);override;
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procedure ppuwrite(ppufile:tcompilerppufile);override;
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end;
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{ Generates an assembler label }
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tai_label = class(tai)
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is_global : boolean;
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l : tasmlabel;
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constructor Create(_l : tasmlabel);
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constructor ppuload(t:taitype;ppufile:tcompilerppufile);override;
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procedure ppuwrite(ppufile:tcompilerppufile);override;
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procedure derefimpl;override;
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end;
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{ Generates an assembler comment }
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tai_comment = class(tai)
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str : pchar;
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constructor Create(_str : pchar);
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destructor Destroy; override;
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constructor ppuload(t:taitype;ppufile:tcompilerppufile);override;
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procedure ppuwrite(ppufile:tcompilerppufile);override;
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function getcopy:tlinkedlistitem;override;
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end;
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{ Generates a section / segment directive }
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tai_section = class(tai)
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sectype : TAsmSectionType;
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secalign : byte;
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name : pstring;
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sec : TAsmSection; { used in binary writer }
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constructor Create(Asectype:TAsmSectionType;Aname:string;Aalign:byte);
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destructor Destroy;override;
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constructor ppuload(t:taitype;ppufile:tcompilerppufile);override;
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procedure ppuwrite(ppufile:tcompilerppufile);override;
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end;
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{ Generates an uninitializised data block }
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tai_datablock = class(tailineinfo)
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is_global : boolean;
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sym : tasmsymbol;
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size : longint;
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constructor Create(const _name : string;_size : longint);
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constructor Create_global(const _name : string;_size : longint);
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constructor ppuload(t:taitype;ppufile:tcompilerppufile);override;
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procedure ppuwrite(ppufile:tcompilerppufile);override;
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procedure derefimpl;override;
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end;
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{ Generates an integer const }
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tai_const = class(tai)
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sym,
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endsym : tasmsymbol;
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value : int64;
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{ we use for the 128bit int64/qword for now because I can't imagine a
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case where we need 128 bit now (FK) }
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constructor Create(_typ:taitype;_value : int64);
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constructor Create_128bit(_value : int64);
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constructor Create_64bit(_value : int64);
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constructor Create_32bit(_value : longint);
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constructor Create_16bit(_value : word);
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constructor Create_8bit(_value : byte);
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constructor Create_sleb128bit(_value : int64);
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constructor Create_uleb128bit(_value : qword);
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constructor Create_aint(_value : aint);
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constructor Create_sym(_sym:tasmsymbol);
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constructor Create_sym_offset(_sym:tasmsymbol;ofs:aint);
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constructor Create_rel_sym(_typ:taitype;_sym,_endsym:tasmsymbol);
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constructor Create_rva_sym(_sym:tasmsymbol);
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constructor Create_indirect_sym(_sym:tasmsymbol);
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constructor Createname(const name:string;_symtyp:Tasmsymtype;ofs:aint);
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constructor Createname_rva(const name:string);
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constructor ppuload(t:taitype;ppufile:tcompilerppufile);override;
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procedure ppuwrite(ppufile:tcompilerppufile);override;
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procedure derefimpl;override;
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function getcopy:tlinkedlistitem;override;
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function size:longint;
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end;
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{ Generates a single float (32 bit real) }
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tai_real_32bit = class(tai)
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value : ts32real;
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constructor Create(_value : ts32real);
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constructor ppuload(t:taitype;ppufile:tcompilerppufile);override;
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procedure ppuwrite(ppufile:tcompilerppufile);override;
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end;
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tformatoptions = (fo_none,fo_hiloswapped);
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{ Generates a double float (64 bit real) }
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tai_real_64bit = class(tai)
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value : ts64real;
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{$ifdef ARM}
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formatoptions : tformatoptions;
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constructor Create_hiloswapped(_value : ts64real);
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{$endif ARM}
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constructor Create(_value : ts64real);
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constructor ppuload(t:taitype;ppufile:tcompilerppufile);override;
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procedure ppuwrite(ppufile:tcompilerppufile);override;
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end;
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{ Generates an extended float (80 bit real) }
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tai_real_80bit = class(tai)
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value : ts80real;
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constructor Create(_value : ts80real);
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constructor ppuload(t:taitype;ppufile:tcompilerppufile);override;
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procedure ppuwrite(ppufile:tcompilerppufile);override;
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end;
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{ Generates an float128 (128 bit real) }
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tai_real_128bit = class(tai)
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value : ts128real;
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constructor Create(_value : ts128real);
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constructor ppuload(t:taitype;ppufile:tcompilerppufile);override;
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procedure ppuwrite(ppufile:tcompilerppufile);override;
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end;
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{ Generates a comp int (integer over 64 bits)
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This is Intel 80x86 specific, and is not
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really supported on other processors.
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}
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tai_comp_64bit = class(tai)
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value : ts64comp;
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constructor Create(_value : ts64comp);
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constructor ppuload(t:taitype;ppufile:tcompilerppufile);override;
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procedure ppuwrite(ppufile:tcompilerppufile);override;
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end;
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tstabtype = (stab_stabs,stab_stabn,stab_stabd);
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tai_stab = class(tai)
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str : pchar;
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stabtype : tstabtype;
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constructor Create(_stabtype:tstabtype;_str : pchar);
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constructor Create_str(_stabtype:tstabtype;const s:string);
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destructor Destroy;override;
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end;
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tai_force_line = class(tailineinfo)
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constructor Create;
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end;
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tai_function_name = class(tai)
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funcname : pstring;
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constructor create(const s:string);
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destructor destroy;override;
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end;
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{ Insert a cut to split assembler into several smaller files }
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tai_cutobject = class(tai)
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place : tcutplace;
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constructor Create;
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constructor Create_begin;
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constructor Create_end;
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constructor ppuload(t:taitype;ppufile:tcompilerppufile);override;
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procedure ppuwrite(ppufile:tcompilerppufile);override;
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end;
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{ Insert a marker for assembler and inline blocks }
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tai_marker = class(tai)
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Kind: TMarker;
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Constructor Create(_Kind: TMarker);
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constructor ppuload(t:taitype;ppufile:tcompilerppufile);override;
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procedure ppuwrite(ppufile:tcompilerppufile);override;
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end;
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tai_tempalloc = class(tai)
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allocation : boolean;
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{$ifdef EXTDEBUG}
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problem : pstring;
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{$endif EXTDEBUG}
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temppos,
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tempsize : longint;
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constructor alloc(pos,size:longint);
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constructor dealloc(pos,size:longint);
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{$ifdef EXTDEBUG}
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constructor allocinfo(pos,size:longint;const st:string);
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{$endif EXTDEBUG}
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constructor ppuload(t:taitype;ppufile:tcompilerppufile);override;
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destructor destroy;override;
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procedure ppuwrite(ppufile:tcompilerppufile);override;
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end;
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tai_regalloc = class(tai)
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reg : tregister;
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ratype : TRegAllocType;
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{ reg(de)alloc belongs to this instruction, this
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is only used for automatic inserted (de)alloc for
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imaginary register and required for spilling code }
|
|
instr : tai;
|
|
constructor alloc(r : tregister;ainstr:tai);
|
|
constructor dealloc(r : tregister;ainstr:tai);
|
|
constructor sync(r : tregister);
|
|
constructor resize(r : tregister);
|
|
constructor ppuload(t:taitype;ppufile:tcompilerppufile);override;
|
|
procedure ppuwrite(ppufile:tcompilerppufile);override;
|
|
end;
|
|
|
|
Taasmoutput=class;
|
|
|
|
tadd_reg_instruction_proc=procedure(instr:Tai;r:tregister) of object;
|
|
Trggetproc=procedure(list:Taasmoutput;position:Tai;subreg:Tsubregister;var result:Tregister) of object;
|
|
Trgungetproc=procedure(list:Taasmoutput;position:Tai;r:Tregister) of object;
|
|
|
|
{ Class template for assembler instructions
|
|
}
|
|
tai_cpu_abstract = class(tailineinfo)
|
|
protected
|
|
procedure ppuloadoper(ppufile:tcompilerppufile;var o:toper);virtual;abstract;
|
|
procedure ppuwriteoper(ppufile:tcompilerppufile;const o:toper);virtual;abstract;
|
|
procedure ppubuildderefimploper(var o:toper);virtual;abstract;
|
|
procedure ppuderefoper(var o:toper);virtual;abstract;
|
|
public
|
|
{ Condition flags for instruction }
|
|
condition : TAsmCond;
|
|
{ Number of operands to instruction }
|
|
ops : byte;
|
|
{ Number of allocate oper structures }
|
|
opercnt : byte;
|
|
{ Operands of instruction }
|
|
oper : array[0..max_operands-1] of poper;
|
|
{ Actual opcode of instruction }
|
|
opcode : tasmop;
|
|
{$ifdef x86}
|
|
segprefix : tregister;
|
|
{$endif x86}
|
|
{ true if instruction is a jmp }
|
|
is_jmp : boolean; { is this instruction a jump? (needed for optimizer) }
|
|
Constructor Create(op : tasmop);virtual;
|
|
Destructor Destroy;override;
|
|
function getcopy:TLinkedListItem;override;
|
|
constructor ppuload(t:taitype;ppufile:tcompilerppufile);override;
|
|
procedure ppuwrite(ppufile:tcompilerppufile);override;
|
|
procedure buildderefimpl;override;
|
|
procedure derefimpl;override;
|
|
procedure SetCondition(const c:TAsmCond);
|
|
procedure allocate_oper(opers:longint);
|
|
procedure loadconst(opidx:longint;l:aint);
|
|
procedure loadsymbol(opidx:longint;s:tasmsymbol;sofs:longint);
|
|
procedure loadlocal(opidx:longint;s:pointer;sofs:longint;indexreg:tregister;scale:byte;getoffset,forceref:boolean);
|
|
procedure loadref(opidx:longint;const r:treference);
|
|
procedure loadreg(opidx:longint;r:tregister);
|
|
procedure loadoper(opidx:longint;o:toper);
|
|
procedure clearop(opidx:longint);
|
|
{ register allocator }
|
|
function is_same_reg_move(regtype: Tregistertype):boolean;virtual;
|
|
function spilling_get_operation_type(opnr: longint): topertype;virtual;
|
|
function spilling_get_operation_type_ref(opnr: longint; reg: tregister): topertype;virtual;
|
|
|
|
function Pass1(offset:longint):longint;virtual;abstract;
|
|
procedure Pass2(objdata:TAsmObjectdata);virtual;abstract;
|
|
end;
|
|
tai_cpu_class = class of tai_cpu_abstract;
|
|
|
|
{ alignment for operator }
|
|
tai_align_abstract = class(tai)
|
|
aligntype : byte; { 1 = no align, 2 = word align, 4 = dword align }
|
|
fillsize : byte; { real size to fill }
|
|
fillop : byte; { value to fill with - optional }
|
|
use_op : boolean;
|
|
constructor Create(b:byte);virtual;
|
|
constructor Create_op(b: byte; _op: byte);virtual;
|
|
constructor Create_zeros(b:byte);
|
|
constructor ppuload(t:taitype;ppufile:tcompilerppufile);override;
|
|
procedure ppuwrite(ppufile:tcompilerppufile);override;
|
|
function calculatefillbuf(var buf : tfillbuffer):pchar;virtual;
|
|
end;
|
|
tai_align_class = class of tai_align_abstract;
|
|
|
|
taasmoutput = class(tlinkedlist)
|
|
constructor create;
|
|
function empty : boolean;
|
|
function getlasttaifilepos : pfileposinfo;
|
|
procedure InsertAfter(Item,Loc : TLinkedListItem);override;
|
|
end;
|
|
|
|
{ Type of asmlists. The order is important for the layout of the
|
|
information in the .o file. The stabs for the types must be defined
|
|
before they can be referenced and therefor they need to be written
|
|
first (PFV) }
|
|
Tasmlist=(al_stabsstart,
|
|
al_stabs,
|
|
al_procedures,
|
|
al_globals,
|
|
al_const,
|
|
al_typedconsts,
|
|
al_rotypedconsts,
|
|
al_threadvars,
|
|
al_imports,
|
|
al_exports,
|
|
al_resources,
|
|
al_rtti,
|
|
al_dwarf,
|
|
al_picdata,
|
|
al_resourcestrings,
|
|
al_stabsend);
|
|
const
|
|
TasmlistStr : array[tasmlist] of string[24] =(
|
|
'al_stabsstart',
|
|
'al_stabs',
|
|
'al_procedures',
|
|
'al_globals',
|
|
'al_const',
|
|
'al_typedconsts',
|
|
'al_rotypedconsts',
|
|
'al_threadvars',
|
|
'al_imports',
|
|
'al_exports',
|
|
'al_resources',
|
|
'al_rtti',
|
|
'al_dwarf',
|
|
'al_picdata',
|
|
'al_resourcestrings',
|
|
'al_stabsend');
|
|
|
|
regallocstr : array[tregalloctype] of string[10]=('allocated','released','sync','resized');
|
|
tempallocstr : array[boolean] of string[10]=('released','allocated');
|
|
stabtypestr : array[tstabtype] of string[5]=('stabs','stabn','stabd');
|
|
directivestr : array[tasmdirective] of string[24]=(
|
|
'non_lazy_symbol_pointer','indirect_symbol','lazy_symbol_pointer',
|
|
'extern','nasm_import'
|
|
);
|
|
|
|
var
|
|
{ array with all class types for tais }
|
|
aiclass : taiclassarray;
|
|
|
|
{ Current expression list }
|
|
exprasmlist : taasmoutput;
|
|
|
|
{ labels for BREAK and CONTINUE }
|
|
aktbreaklabel,aktcontinuelabel : tasmlabel;
|
|
|
|
{ label when the result is true or false }
|
|
truelabel,falselabel : tasmlabel;
|
|
|
|
{ hook to notify uses of registers }
|
|
add_reg_instruction_hook : tadd_reg_instruction_proc;
|
|
|
|
asmlist:array[Tasmlist] of Taasmoutput;
|
|
|
|
cai_align : tai_align_class;
|
|
cai_cpu : tai_cpu_class;
|
|
|
|
function use_smartlink_section:boolean;
|
|
function maybe_smartlink_symbol:boolean;
|
|
|
|
procedure maybe_new_object_file(list:taasmoutput);
|
|
procedure new_section(list:taasmoutput;Asectype:TAsmSectionType;Aname:string;Aalign:byte);
|
|
procedure section_symbol_start(list:taasmoutput;const Aname:string;Asymtyp:Tasmsymtype;
|
|
Aglobal:boolean;Asectype:TAsmSectionType;Aalign:byte);
|
|
procedure section_symbol_end(list:taasmoutput;const Aname:string);
|
|
|
|
function ppuloadai(ppufile:tcompilerppufile):tai;
|
|
procedure ppuwriteai(ppufile:tcompilerppufile;n:tai);
|
|
|
|
|
|
implementation
|
|
|
|
uses
|
|
strings,
|
|
verbose;
|
|
|
|
const
|
|
pputaimarker = 254;
|
|
|
|
|
|
{****************************************************************************
|
|
Helpers
|
|
****************************************************************************}
|
|
|
|
function ppuloadai(ppufile:tcompilerppufile):tai;
|
|
var
|
|
b : byte;
|
|
t : taitype;
|
|
begin
|
|
{ marker }
|
|
b:=ppufile.getbyte;
|
|
if b<>pputaimarker then
|
|
internalerror(200208181);
|
|
{ load nodetype }
|
|
t:=taitype(ppufile.getbyte);
|
|
if t<>ait_none then
|
|
begin
|
|
if t>high(taitype) then
|
|
internalerror(200208182);
|
|
if not assigned(aiclass[t]) then
|
|
internalerror(200208183);
|
|
{writeln('taiload: ',taitypestr[t]);}
|
|
{ generate tai of the correct class }
|
|
ppuloadai:=aiclass[t].ppuload(t,ppufile);
|
|
end
|
|
else
|
|
ppuloadai:=nil;
|
|
end;
|
|
|
|
|
|
procedure ppuwriteai(ppufile:tcompilerppufile;n:tai);
|
|
begin
|
|
{ marker, read by ppuloadnode }
|
|
ppufile.putbyte(pputaimarker);
|
|
if assigned(n) then
|
|
begin
|
|
{ type, read by ppuloadnode }
|
|
ppufile.putbyte(byte(n.typ));
|
|
{writeln('taiwrite: ',taitypestr[n.typ]);}
|
|
n.ppuwrite(ppufile);
|
|
end
|
|
else
|
|
ppufile.putbyte(byte(ait_none));
|
|
end;
|
|
|
|
|
|
function use_smartlink_section:boolean;
|
|
begin
|
|
result:=(af_smartlink_sections in target_asm.flags) and
|
|
(tf_smartlink_sections in target_info.flags);
|
|
end;
|
|
|
|
|
|
function maybe_smartlink_symbol:boolean;
|
|
begin
|
|
result:=(cs_create_smart in aktmoduleswitches) or
|
|
use_smartlink_section;
|
|
end;
|
|
|
|
|
|
procedure maybe_new_object_file(list:taasmoutput);
|
|
begin
|
|
if (cs_create_smart in aktmoduleswitches) and
|
|
(not use_smartlink_section) then
|
|
list.concat(tai_cutobject.create);
|
|
end;
|
|
|
|
|
|
procedure new_section(list:taasmoutput;Asectype:TAsmSectionType;Aname:string;Aalign:byte);
|
|
begin
|
|
list.concat(tai_section.create(Asectype,Aname,Aalign));
|
|
list.concat(cai_align.create(Aalign));
|
|
end;
|
|
|
|
|
|
procedure section_symbol_start(list:taasmoutput;const Aname:string;Asymtyp:Tasmsymtype;
|
|
Aglobal:boolean;Asectype:TAsmSectionType;Aalign:byte);
|
|
begin
|
|
maybe_new_object_file(list);
|
|
list.concat(tai_section.create(Asectype,Aname,Aalign));
|
|
list.concat(cai_align.create(Aalign));
|
|
if Aglobal or
|
|
maybe_smartlink_symbol then
|
|
list.concat(tai_symbol.createname_global(Aname,Asymtyp,0))
|
|
else
|
|
list.concat(tai_symbol.createname(Aname,Asymtyp,0));
|
|
end;
|
|
|
|
|
|
procedure section_symbol_end(list:taasmoutput;const Aname:string);
|
|
begin
|
|
list.concat(tai_symbol_end.createname(Aname));
|
|
end;
|
|
|
|
|
|
{****************************************************************************
|
|
TAI
|
|
****************************************************************************}
|
|
|
|
constructor tai.Create;
|
|
begin
|
|
{$ifndef NOOPT}
|
|
optinfo:=nil;
|
|
{$endif NOOPT}
|
|
end;
|
|
|
|
|
|
constructor tai.ppuload(t:taitype;ppufile:tcompilerppufile);
|
|
begin
|
|
typ:=t;
|
|
{$ifndef NOOPT}
|
|
optinfo:=nil;
|
|
{$endif}
|
|
end;
|
|
|
|
|
|
procedure tai.ppuwrite(ppufile:tcompilerppufile);
|
|
begin
|
|
end;
|
|
|
|
|
|
procedure tai.buildderefimpl;
|
|
begin
|
|
end;
|
|
|
|
|
|
procedure tai.derefimpl;
|
|
begin
|
|
end;
|
|
|
|
|
|
{****************************************************************************
|
|
TAILINEINFO
|
|
****************************************************************************}
|
|
|
|
constructor tailineinfo.create;
|
|
begin
|
|
inherited create;
|
|
if not(inlining_procedure and
|
|
(cs_gdb_valgrind in aktglobalswitches)) then
|
|
fileinfo:=aktfilepos;
|
|
end;
|
|
|
|
|
|
constructor tailineinfo.ppuload(t:taitype;ppufile:tcompilerppufile);
|
|
begin
|
|
inherited ppuload(t,ppufile);
|
|
ppufile.getposinfo(fileinfo);
|
|
end;
|
|
|
|
|
|
procedure tailineinfo.ppuwrite(ppufile:tcompilerppufile);
|
|
begin
|
|
inherited ppuwrite(ppufile);
|
|
ppufile.putposinfo(fileinfo);
|
|
end;
|
|
|
|
|
|
{****************************************************************************
|
|
TAI_SIMPLE
|
|
****************************************************************************}
|
|
|
|
constructor tai_simple.create(_typ : taitype);
|
|
begin
|
|
inherited create;
|
|
typ:=_typ;
|
|
end;
|
|
|
|
|
|
{****************************************************************************
|
|
TAI_SECTION
|
|
****************************************************************************}
|
|
|
|
constructor tai_section.Create(Asectype:TAsmSectionType;Aname:string;Aalign:byte);
|
|
begin
|
|
inherited Create;
|
|
typ:=ait_section;
|
|
sectype:=asectype;
|
|
secalign:=Aalign;
|
|
name:=stringdup(Aname);
|
|
sec:=nil;
|
|
end;
|
|
|
|
|
|
constructor tai_section.ppuload(t:taitype;ppufile:tcompilerppufile);
|
|
begin
|
|
inherited ppuload(t,ppufile);
|
|
sectype:=tasmsectiontype(ppufile.getbyte);
|
|
secalign:=ppufile.getbyte;
|
|
name:=stringdup(ppufile.getstring);
|
|
sec:=nil;
|
|
end;
|
|
|
|
|
|
destructor tai_section.Destroy;
|
|
begin
|
|
stringdispose(name);
|
|
end;
|
|
|
|
|
|
procedure tai_section.ppuwrite(ppufile:tcompilerppufile);
|
|
begin
|
|
inherited ppuwrite(ppufile);
|
|
ppufile.putbyte(byte(sectype));
|
|
ppufile.putbyte(secalign);
|
|
ppufile.putstring(name^);
|
|
end;
|
|
|
|
|
|
{****************************************************************************
|
|
TAI_DATABLOCK
|
|
****************************************************************************}
|
|
|
|
constructor tai_datablock.Create(const _name : string;_size : longint);
|
|
|
|
begin
|
|
inherited Create;
|
|
typ:=ait_datablock;
|
|
sym:=objectlibrary.newasmsymbol(_name,AB_LOCAL,AT_DATA);
|
|
{ keep things aligned }
|
|
if _size<=0 then
|
|
_size:=4;
|
|
size:=_size;
|
|
is_global:=false;
|
|
end;
|
|
|
|
|
|
constructor tai_datablock.Create_global(const _name : string;_size : longint);
|
|
begin
|
|
inherited Create;
|
|
typ:=ait_datablock;
|
|
sym:=objectlibrary.newasmsymbol(_name,AB_GLOBAL,AT_DATA);
|
|
{ keep things aligned }
|
|
if _size<=0 then
|
|
_size:=4;
|
|
size:=_size;
|
|
is_global:=true;
|
|
end;
|
|
|
|
|
|
constructor tai_datablock.ppuload(t:taitype;ppufile:tcompilerppufile);
|
|
begin
|
|
inherited Create;
|
|
sym:=ppufile.getasmsymbol;
|
|
size:=ppufile.getlongint;
|
|
is_global:=boolean(ppufile.getbyte);
|
|
end;
|
|
|
|
|
|
procedure tai_datablock.ppuwrite(ppufile:tcompilerppufile);
|
|
begin
|
|
inherited ppuwrite(ppufile);
|
|
ppufile.putasmsymbol(sym);
|
|
ppufile.putlongint(size);
|
|
ppufile.putbyte(byte(is_global));
|
|
end;
|
|
|
|
|
|
procedure tai_datablock.derefimpl;
|
|
begin
|
|
objectlibrary.DerefAsmsymbol(sym);
|
|
end;
|
|
|
|
|
|
{****************************************************************************
|
|
TAI_SYMBOL
|
|
****************************************************************************}
|
|
|
|
constructor tai_symbol.Create(_sym:tasmsymbol;siz:longint);
|
|
begin
|
|
inherited Create;
|
|
typ:=ait_symbol;
|
|
sym:=_sym;
|
|
size:=siz;
|
|
sym.defbind:=AB_LOCAL;
|
|
is_global:=false;
|
|
end;
|
|
|
|
constructor tai_symbol.Create_global(_sym:tasmsymbol;siz:longint);
|
|
begin
|
|
inherited Create;
|
|
typ:=ait_symbol;
|
|
sym:=_sym;
|
|
size:=siz;
|
|
sym.defbind:=AB_GLOBAL;
|
|
is_global:=true;
|
|
end;
|
|
|
|
constructor tai_symbol.Createname(const _name : string;_symtyp:Tasmsymtype;siz:longint);
|
|
begin
|
|
inherited Create;
|
|
typ:=ait_symbol;
|
|
sym:=objectlibrary.newasmsymbol(_name,AB_LOCAL,_symtyp);
|
|
size:=siz;
|
|
is_global:=false;
|
|
end;
|
|
|
|
constructor tai_symbol.Createname_global(const _name : string;_symtyp:Tasmsymtype;siz:longint);
|
|
begin
|
|
inherited Create;
|
|
typ:=ait_symbol;
|
|
sym:=objectlibrary.newasmsymbol(_name,AB_GLOBAL,_symtyp);
|
|
size:=siz;
|
|
is_global:=true;
|
|
end;
|
|
|
|
constructor tai_symbol.ppuload(t:taitype;ppufile:tcompilerppufile);
|
|
begin
|
|
inherited ppuload(t,ppufile);
|
|
sym:=ppufile.getasmsymbol;
|
|
size:=ppufile.getlongint;
|
|
is_global:=boolean(ppufile.getbyte);
|
|
end;
|
|
|
|
|
|
procedure tai_symbol.ppuwrite(ppufile:tcompilerppufile);
|
|
begin
|
|
inherited ppuwrite(ppufile);
|
|
ppufile.putasmsymbol(sym);
|
|
ppufile.putlongint(size);
|
|
ppufile.putbyte(byte(is_global));
|
|
end;
|
|
|
|
|
|
procedure tai_symbol.derefimpl;
|
|
begin
|
|
objectlibrary.DerefAsmsymbol(sym);
|
|
end;
|
|
|
|
|
|
{****************************************************************************
|
|
TAI_SYMBOL_END
|
|
****************************************************************************}
|
|
|
|
constructor tai_symbol_end.Create(_sym:tasmsymbol);
|
|
begin
|
|
inherited Create;
|
|
typ:=ait_symbol_end;
|
|
sym:=_sym;
|
|
end;
|
|
|
|
constructor tai_symbol_end.Createname(const _name : string);
|
|
begin
|
|
inherited Create;
|
|
typ:=ait_symbol_end;
|
|
sym:=objectlibrary.newasmsymbol(_name,AB_GLOBAL,AT_NONE);
|
|
end;
|
|
|
|
constructor tai_symbol_end.ppuload(t:taitype;ppufile:tcompilerppufile);
|
|
begin
|
|
inherited ppuload(t,ppufile);
|
|
sym:=ppufile.getasmsymbol;
|
|
end;
|
|
|
|
|
|
procedure tai_symbol_end.ppuwrite(ppufile:tcompilerppufile);
|
|
begin
|
|
inherited ppuwrite(ppufile);
|
|
ppufile.putasmsymbol(sym);
|
|
end;
|
|
|
|
|
|
procedure tai_symbol_end.derefimpl;
|
|
begin
|
|
objectlibrary.DerefAsmsymbol(sym);
|
|
end;
|
|
|
|
|
|
{****************************************************************************
|
|
TAI_SYMBOL_END
|
|
****************************************************************************}
|
|
|
|
constructor tai_directive.Create(_directive:tasmdirective;const _name:string);
|
|
begin
|
|
inherited Create;
|
|
typ:=ait_directive;
|
|
name:=stringdup(_name);
|
|
directive:=_directive;
|
|
end;
|
|
|
|
|
|
destructor tai_directive.Destroy;
|
|
begin
|
|
stringdispose(name);
|
|
end;
|
|
|
|
|
|
constructor tai_directive.ppuload(t:taitype;ppufile:tcompilerppufile);
|
|
begin
|
|
inherited ppuload(t,ppufile);
|
|
name:=stringdup(ppufile.getstring);
|
|
directive:=tasmdirective(ppufile.getbyte);
|
|
end;
|
|
|
|
|
|
procedure tai_directive.ppuwrite(ppufile:tcompilerppufile);
|
|
begin
|
|
inherited ppuwrite(ppufile);
|
|
ppufile.putstring(name^);
|
|
ppufile.putbyte(byte(directive));
|
|
end;
|
|
|
|
|
|
{****************************************************************************
|
|
TAI_CONST
|
|
****************************************************************************}
|
|
|
|
constructor tai_const.Create(_typ:taitype;_value : int64);
|
|
begin
|
|
inherited Create;
|
|
typ:=_typ;
|
|
value:=_value;
|
|
sym:=nil;
|
|
endsym:=nil;
|
|
end;
|
|
|
|
|
|
constructor tai_const.Create_128bit(_value : int64);
|
|
begin
|
|
inherited Create;
|
|
typ:=ait_const_128bit;
|
|
value:=_value;
|
|
sym:=nil;
|
|
endsym:=nil;
|
|
end;
|
|
|
|
|
|
constructor tai_const.Create_64bit(_value : int64);
|
|
begin
|
|
inherited Create;
|
|
typ:=ait_const_64bit;
|
|
value:=_value;
|
|
sym:=nil;
|
|
endsym:=nil;
|
|
end;
|
|
|
|
|
|
constructor tai_const.Create_32bit(_value : longint);
|
|
begin
|
|
inherited Create;
|
|
typ:=ait_const_32bit;
|
|
value:=_value;
|
|
sym:=nil;
|
|
endsym:=nil;
|
|
end;
|
|
|
|
|
|
constructor tai_const.Create_16bit(_value : word);
|
|
begin
|
|
inherited Create;
|
|
typ:=ait_const_16bit;
|
|
value:=_value;
|
|
sym:=nil;
|
|
endsym:=nil;
|
|
end;
|
|
|
|
|
|
constructor tai_const.Create_8bit(_value : byte);
|
|
begin
|
|
inherited Create;
|
|
typ:=ait_const_8bit;
|
|
value:=_value;
|
|
sym:=nil;
|
|
endsym:=nil;
|
|
end;
|
|
|
|
|
|
constructor tai_const.Create_sleb128bit(_value : int64);
|
|
begin
|
|
inherited Create;
|
|
typ:=ait_const_sleb128bit;
|
|
value:=_value;
|
|
sym:=nil;
|
|
endsym:=nil;
|
|
end;
|
|
|
|
|
|
constructor tai_const.Create_uleb128bit(_value : qword);
|
|
begin
|
|
inherited Create;
|
|
typ:=ait_const_uleb128bit;
|
|
value:=int64(_value);
|
|
sym:=nil;
|
|
endsym:=nil;
|
|
end;
|
|
|
|
|
|
constructor tai_const.Create_aint(_value : aint);
|
|
begin
|
|
inherited Create;
|
|
typ:=ait_const_aint;
|
|
value:=_value;
|
|
sym:=nil;
|
|
endsym:=nil;
|
|
end;
|
|
|
|
|
|
constructor tai_const.Create_sym(_sym:tasmsymbol);
|
|
begin
|
|
inherited Create;
|
|
typ:=ait_const_ptr;
|
|
{ sym is allowed to be nil, this is used to write nil pointers }
|
|
sym:=_sym;
|
|
endsym:=nil;
|
|
value:=0;
|
|
{ update sym info }
|
|
if assigned(sym) then
|
|
sym.increfs;
|
|
end;
|
|
|
|
|
|
constructor tai_const.Create_sym_offset(_sym:tasmsymbol;ofs:aint);
|
|
begin
|
|
inherited Create;
|
|
typ:=ait_const_ptr;
|
|
if not assigned(_sym) then
|
|
internalerror(200404121);
|
|
sym:=_sym;
|
|
endsym:=nil;
|
|
value:=ofs;
|
|
{ update sym info }
|
|
sym.increfs;
|
|
end;
|
|
|
|
|
|
constructor tai_const.Create_rel_sym(_typ:taitype;_sym,_endsym:tasmsymbol);
|
|
begin
|
|
inherited Create;
|
|
typ:=_typ;
|
|
sym:=_sym;
|
|
endsym:=_endsym;
|
|
value:=0;
|
|
{ update sym info }
|
|
sym.increfs;
|
|
endsym.increfs;
|
|
end;
|
|
|
|
|
|
constructor tai_const.Create_rva_sym(_sym:tasmsymbol);
|
|
begin
|
|
inherited Create;
|
|
typ:=ait_const_rva_symbol;
|
|
sym:=_sym;
|
|
endsym:=nil;
|
|
value:=0;
|
|
{ update sym info }
|
|
sym.increfs;
|
|
end;
|
|
|
|
|
|
constructor tai_const.Create_indirect_sym(_sym:tasmsymbol);
|
|
begin
|
|
inherited Create;
|
|
typ:=ait_const_indirect_symbol;
|
|
sym:=_sym;
|
|
endsym:=nil;
|
|
value:=0;
|
|
{ update sym info }
|
|
sym.increfs;
|
|
end;
|
|
|
|
|
|
constructor tai_const.Createname(const name:string;_symtyp:Tasmsymtype;ofs:aint);
|
|
begin
|
|
inherited Create;
|
|
typ:=ait_const_ptr;
|
|
sym:=objectlibrary.newasmsymbol(name,AB_EXTERNAL,_symtyp);
|
|
endsym:=nil;
|
|
value:=ofs;
|
|
{ update sym info }
|
|
sym.increfs;
|
|
end;
|
|
|
|
|
|
constructor tai_const.Createname_rva(const name:string);
|
|
begin
|
|
inherited Create;
|
|
typ:=ait_const_rva_symbol;
|
|
sym:=objectlibrary.newasmsymbol(name,AB_EXTERNAL,AT_FUNCTION);
|
|
endsym:=nil;
|
|
value:=0;
|
|
{ update sym info }
|
|
sym.increfs;
|
|
end;
|
|
|
|
|
|
constructor tai_const.ppuload(t:taitype;ppufile:tcompilerppufile);
|
|
begin
|
|
inherited ppuload(t,ppufile);
|
|
sym:=ppufile.getasmsymbol;
|
|
endsym:=ppufile.getasmsymbol;
|
|
value:=ppufile.getint64;
|
|
end;
|
|
|
|
|
|
procedure tai_const.ppuwrite(ppufile:tcompilerppufile);
|
|
begin
|
|
inherited ppuwrite(ppufile);
|
|
ppufile.putasmsymbol(sym);
|
|
ppufile.putasmsymbol(endsym);
|
|
ppufile.putint64(value);
|
|
end;
|
|
|
|
|
|
procedure tai_const.derefimpl;
|
|
begin
|
|
objectlibrary.DerefAsmsymbol(sym);
|
|
objectlibrary.DerefAsmsymbol(endsym);
|
|
end;
|
|
|
|
|
|
function tai_const.getcopy:tlinkedlistitem;
|
|
begin
|
|
getcopy:=inherited getcopy;
|
|
{ we need to increase the reference number }
|
|
sym.increfs;
|
|
if assigned(endsym) then
|
|
endsym.increfs;
|
|
end;
|
|
|
|
|
|
function tai_const.size:longint;
|
|
begin
|
|
case typ of
|
|
ait_const_8bit :
|
|
result:=1;
|
|
ait_const_16bit :
|
|
result:=2;
|
|
ait_const_32bit :
|
|
result:=4;
|
|
ait_const_64bit :
|
|
result:=8;
|
|
ait_const_indirect_symbol,
|
|
ait_const_rva_symbol :
|
|
result:=sizeof(aint);
|
|
end;
|
|
end;
|
|
|
|
|
|
{****************************************************************************
|
|
TAI_real_32bit
|
|
****************************************************************************}
|
|
|
|
constructor tai_real_32bit.Create(_value : ts32real);
|
|
|
|
begin
|
|
inherited Create;
|
|
typ:=ait_real_32bit;
|
|
value:=_value;
|
|
end;
|
|
|
|
constructor tai_real_32bit.ppuload(t:taitype;ppufile:tcompilerppufile);
|
|
begin
|
|
inherited ppuload(t,ppufile);
|
|
value:=ppufile.getreal;
|
|
end;
|
|
|
|
|
|
procedure tai_real_32bit.ppuwrite(ppufile:tcompilerppufile);
|
|
begin
|
|
inherited ppuwrite(ppufile);
|
|
ppufile.putreal(value);
|
|
end;
|
|
|
|
|
|
{****************************************************************************
|
|
TAI_real_64bit
|
|
****************************************************************************}
|
|
|
|
constructor tai_real_64bit.Create(_value : ts64real);
|
|
|
|
begin
|
|
inherited Create;
|
|
typ:=ait_real_64bit;
|
|
value:=_value;
|
|
end;
|
|
|
|
|
|
{$ifdef ARM}
|
|
constructor tai_real_64bit.Create_hiloswapped(_value : ts64real);
|
|
|
|
begin
|
|
inherited Create;
|
|
typ:=ait_real_64bit;
|
|
value:=_value;
|
|
formatoptions:=fo_hiloswapped;
|
|
end;
|
|
{$endif ARM}
|
|
|
|
constructor tai_real_64bit.ppuload(t:taitype;ppufile:tcompilerppufile);
|
|
begin
|
|
inherited ppuload(t,ppufile);
|
|
value:=ppufile.getreal;
|
|
{$ifdef ARM}
|
|
formatoptions:=tformatoptions(ppufile.getbyte);
|
|
{$endif ARM}
|
|
end;
|
|
|
|
|
|
procedure tai_real_64bit.ppuwrite(ppufile:tcompilerppufile);
|
|
begin
|
|
inherited ppuwrite(ppufile);
|
|
ppufile.putreal(value);
|
|
{$ifdef ARM}
|
|
ppufile.putbyte(byte(formatoptions));
|
|
{$endif ARM}
|
|
end;
|
|
|
|
|
|
{****************************************************************************
|
|
TAI_real_80bit
|
|
****************************************************************************}
|
|
|
|
constructor tai_real_80bit.Create(_value : ts80real);
|
|
|
|
begin
|
|
inherited Create;
|
|
typ:=ait_real_80bit;
|
|
value:=_value;
|
|
end;
|
|
|
|
|
|
constructor tai_real_80bit.ppuload(t:taitype;ppufile:tcompilerppufile);
|
|
begin
|
|
inherited ppuload(t,ppufile);
|
|
value:=ppufile.getreal;
|
|
end;
|
|
|
|
|
|
procedure tai_real_80bit.ppuwrite(ppufile:tcompilerppufile);
|
|
begin
|
|
inherited ppuwrite(ppufile);
|
|
ppufile.putreal(value);
|
|
end;
|
|
|
|
|
|
{****************************************************************************
|
|
TAI_real_80bit
|
|
****************************************************************************}
|
|
|
|
constructor tai_real_128bit.Create(_value : ts128real);
|
|
|
|
begin
|
|
inherited Create;
|
|
typ:=ait_real_128bit;
|
|
value:=_value;
|
|
end;
|
|
|
|
|
|
constructor tai_real_128bit.ppuload(t:taitype;ppufile:tcompilerppufile);
|
|
begin
|
|
inherited ppuload(t,ppufile);
|
|
value:=ppufile.getreal;
|
|
end;
|
|
|
|
|
|
procedure tai_real_128bit.ppuwrite(ppufile:tcompilerppufile);
|
|
begin
|
|
inherited ppuwrite(ppufile);
|
|
ppufile.putreal(value);
|
|
end;
|
|
|
|
|
|
{****************************************************************************
|
|
Tai_comp_64bit
|
|
****************************************************************************}
|
|
|
|
constructor tai_comp_64bit.Create(_value : ts64comp);
|
|
|
|
begin
|
|
inherited Create;
|
|
typ:=ait_comp_64bit;
|
|
value:=_value;
|
|
end;
|
|
|
|
|
|
constructor tai_comp_64bit.ppuload(t:taitype;ppufile:tcompilerppufile);
|
|
begin
|
|
inherited ppuload(t,ppufile);
|
|
ppufile.putdata(value,sizeof(value));
|
|
end;
|
|
|
|
|
|
procedure tai_comp_64bit.ppuwrite(ppufile:tcompilerppufile);
|
|
begin
|
|
inherited ppuwrite(ppufile);
|
|
ppufile.getdata(value,sizeof(value));
|
|
end;
|
|
|
|
|
|
{****************************************************************************
|
|
TAI_STRING
|
|
****************************************************************************}
|
|
|
|
constructor tai_string.Create(const _str : string);
|
|
begin
|
|
inherited Create;
|
|
typ:=ait_string;
|
|
len:=length(_str);
|
|
getmem(str,len+1);
|
|
strpcopy(str,_str);
|
|
end;
|
|
|
|
|
|
constructor tai_string.Create_pchar(_str : pchar;length : longint);
|
|
begin
|
|
inherited Create;
|
|
typ:=ait_string;
|
|
str:=_str;
|
|
len:=length;
|
|
end;
|
|
|
|
|
|
destructor tai_string.destroy;
|
|
begin
|
|
if str<>nil then
|
|
freemem(str);
|
|
inherited Destroy;
|
|
end;
|
|
|
|
|
|
constructor tai_string.ppuload(t:taitype;ppufile:tcompilerppufile);
|
|
begin
|
|
inherited ppuload(t,ppufile);
|
|
len:=ppufile.getlongint;
|
|
getmem(str,len);
|
|
ppufile.getdata(str^,len);
|
|
end;
|
|
|
|
|
|
procedure tai_string.ppuwrite(ppufile:tcompilerppufile);
|
|
begin
|
|
inherited ppuwrite(ppufile);
|
|
ppufile.putlongint(len);
|
|
ppufile.putdata(str^,len);
|
|
end;
|
|
|
|
|
|
function tai_string.getcopy : tlinkedlistitem;
|
|
var
|
|
p : tlinkedlistitem;
|
|
begin
|
|
p:=inherited getcopy;
|
|
getmem(tai_string(p).str,len);
|
|
move(str^,tai_string(p).str^,len);
|
|
getcopy:=p;
|
|
end;
|
|
|
|
|
|
{****************************************************************************
|
|
TAI_LABEL
|
|
****************************************************************************}
|
|
|
|
constructor tai_label.create(_l : tasmlabel);
|
|
begin
|
|
inherited Create;
|
|
typ:=ait_label;
|
|
l:=_l;
|
|
l.is_set:=true;
|
|
is_global:=(l.defbind=AB_GLOBAL);
|
|
end;
|
|
|
|
|
|
constructor tai_label.ppuload(t:taitype;ppufile:tcompilerppufile);
|
|
begin
|
|
inherited ppuload(t,ppufile);
|
|
l:=tasmlabel(ppufile.getasmsymbol);
|
|
is_global:=boolean(ppufile.getbyte);
|
|
end;
|
|
|
|
|
|
procedure tai_label.ppuwrite(ppufile:tcompilerppufile);
|
|
begin
|
|
inherited ppuwrite(ppufile);
|
|
ppufile.putasmsymbol(l);
|
|
ppufile.putbyte(byte(is_global));
|
|
end;
|
|
|
|
|
|
procedure tai_label.derefimpl;
|
|
begin
|
|
objectlibrary.DerefAsmsymbol(tasmsymbol(l));
|
|
l.is_set:=true;
|
|
end;
|
|
|
|
|
|
{****************************************************************************
|
|
tai_comment comment to be inserted in the assembler file
|
|
****************************************************************************}
|
|
|
|
constructor tai_comment.Create(_str : pchar);
|
|
|
|
begin
|
|
inherited Create;
|
|
typ:=ait_comment;
|
|
str:=_str;
|
|
end;
|
|
|
|
destructor tai_comment.destroy;
|
|
|
|
begin
|
|
strdispose(str);
|
|
inherited Destroy;
|
|
end;
|
|
|
|
constructor tai_comment.ppuload(t:taitype;ppufile:tcompilerppufile);
|
|
var
|
|
len : longint;
|
|
begin
|
|
inherited ppuload(t,ppufile);
|
|
len:=ppufile.getlongint;
|
|
getmem(str,len+1);
|
|
ppufile.getdata(str^,len);
|
|
str[len]:=#0;
|
|
end;
|
|
|
|
|
|
procedure tai_comment.ppuwrite(ppufile:tcompilerppufile);
|
|
var
|
|
len : longint;
|
|
begin
|
|
inherited ppuwrite(ppufile);
|
|
len:=strlen(str);
|
|
ppufile.putlongint(len);
|
|
ppufile.putdata(str^,len);
|
|
end;
|
|
|
|
|
|
function tai_comment.getcopy : tlinkedlistitem;
|
|
var
|
|
p : tlinkedlistitem;
|
|
begin
|
|
p:=inherited getcopy;
|
|
getmem(tai_comment(p).str,strlen(str)+1);
|
|
move(str^,tai_comment(p).str^,strlen(str)+1);
|
|
getcopy:=p;
|
|
end;
|
|
|
|
|
|
{****************************************************************************
|
|
TAI_STABS
|
|
****************************************************************************}
|
|
|
|
constructor tai_stab.create(_stabtype:tstabtype;_str : pchar);
|
|
begin
|
|
inherited create;
|
|
typ:=ait_stab;
|
|
str:=_str;
|
|
stabtype:=_stabtype;
|
|
end;
|
|
|
|
constructor tai_stab.create_str(_stabtype:tstabtype;const s:string);
|
|
begin
|
|
self.create(_stabtype,strpnew(s));
|
|
end;
|
|
|
|
destructor tai_stab.destroy;
|
|
begin
|
|
strdispose(str);
|
|
inherited destroy;
|
|
end;
|
|
|
|
|
|
{****************************************************************************
|
|
TAI_FORCE_LINE
|
|
****************************************************************************}
|
|
|
|
constructor tai_force_line.create;
|
|
begin
|
|
inherited create;
|
|
typ:=ait_force_line;
|
|
end;
|
|
|
|
|
|
{****************************************************************************
|
|
TAI_FUNCTION_NAME
|
|
****************************************************************************}
|
|
|
|
constructor tai_function_name.create(const s:string);
|
|
begin
|
|
inherited create;
|
|
typ:=ait_function_name;
|
|
funcname:=stringdup(s);
|
|
end;
|
|
|
|
destructor tai_function_name.destroy;
|
|
begin
|
|
stringdispose(funcname);
|
|
inherited destroy;
|
|
end;
|
|
|
|
|
|
{****************************************************************************
|
|
TAI_CUTOBJECT
|
|
****************************************************************************}
|
|
|
|
constructor tai_cutobject.Create;
|
|
begin
|
|
inherited Create;
|
|
typ:=ait_cutobject;
|
|
place:=cut_normal;
|
|
end;
|
|
|
|
|
|
constructor tai_cutobject.Create_begin;
|
|
begin
|
|
inherited Create;
|
|
typ:=ait_cutobject;
|
|
place:=cut_begin;
|
|
end;
|
|
|
|
|
|
constructor tai_cutobject.Create_end;
|
|
begin
|
|
inherited Create;
|
|
typ:=ait_cutobject;
|
|
place:=cut_end;
|
|
end;
|
|
|
|
|
|
constructor tai_cutobject.ppuload(t:taitype;ppufile:tcompilerppufile);
|
|
begin
|
|
inherited ppuload(t,ppufile);
|
|
place:=TCutPlace(ppufile.getbyte);
|
|
end;
|
|
|
|
|
|
procedure tai_cutobject.ppuwrite(ppufile:tcompilerppufile);
|
|
begin
|
|
inherited ppuwrite(ppufile);
|
|
ppufile.putbyte(byte(place));
|
|
end;
|
|
|
|
|
|
{****************************************************************************
|
|
Tai_Marker
|
|
****************************************************************************}
|
|
|
|
constructor Tai_Marker.Create(_Kind: TMarker);
|
|
begin
|
|
Inherited Create;
|
|
typ := ait_marker;
|
|
Kind := _Kind;
|
|
end;
|
|
|
|
|
|
constructor Tai_Marker.ppuload(t:taitype;ppufile:tcompilerppufile);
|
|
begin
|
|
inherited ppuload(t,ppufile);
|
|
kind:=TMarker(ppufile.getbyte);
|
|
end;
|
|
|
|
|
|
procedure Tai_Marker.ppuwrite(ppufile:tcompilerppufile);
|
|
begin
|
|
inherited ppuwrite(ppufile);
|
|
ppufile.putbyte(byte(kind));
|
|
end;
|
|
|
|
|
|
{*****************************************************************************
|
|
tai_tempalloc
|
|
*****************************************************************************}
|
|
|
|
constructor tai_tempalloc.alloc(pos,size:longint);
|
|
begin
|
|
inherited Create;
|
|
typ:=ait_tempalloc;
|
|
allocation:=true;
|
|
temppos:=pos;
|
|
tempsize:=size;
|
|
{$ifdef EXTDEBUG}
|
|
problem:=nil;
|
|
{$endif EXTDEBUG}
|
|
end;
|
|
|
|
|
|
destructor tai_tempalloc.destroy;
|
|
begin
|
|
{$ifdef EXTDEBUG}
|
|
stringdispose(problem);
|
|
{$endif EXTDEBUG}
|
|
inherited destroy;
|
|
end;
|
|
|
|
|
|
constructor tai_tempalloc.dealloc(pos,size:longint);
|
|
begin
|
|
inherited Create;
|
|
typ:=ait_tempalloc;
|
|
allocation:=false;
|
|
temppos:=pos;
|
|
tempsize:=size;
|
|
{$ifdef EXTDEBUG}
|
|
problem:=nil;
|
|
{$endif EXTDEBUG}
|
|
end;
|
|
|
|
|
|
{$ifdef EXTDEBUG}
|
|
constructor tai_tempalloc.allocinfo(pos,size:longint;const st:string);
|
|
begin
|
|
inherited Create;
|
|
typ:=ait_tempalloc;
|
|
allocation:=false;
|
|
temppos:=pos;
|
|
tempsize:=size;
|
|
problem:=stringdup(st);
|
|
end;
|
|
{$endif EXTDEBUG}
|
|
|
|
|
|
constructor tai_tempalloc.ppuload(t:taitype;ppufile:tcompilerppufile);
|
|
begin
|
|
inherited ppuload(t,ppufile);
|
|
temppos:=ppufile.getlongint;
|
|
tempsize:=ppufile.getlongint;
|
|
allocation:=boolean(ppufile.getbyte);
|
|
{$ifdef EXTDEBUG}
|
|
problem:=nil;
|
|
{$endif EXTDEBUG}
|
|
end;
|
|
|
|
|
|
procedure tai_tempalloc.ppuwrite(ppufile:tcompilerppufile);
|
|
begin
|
|
inherited ppuwrite(ppufile);
|
|
ppufile.putlongint(temppos);
|
|
ppufile.putlongint(tempsize);
|
|
ppufile.putbyte(byte(allocation));
|
|
end;
|
|
|
|
|
|
{*****************************************************************************
|
|
tai_regalloc
|
|
*****************************************************************************}
|
|
|
|
constructor tai_regalloc.alloc(r : tregister;ainstr:tai);
|
|
begin
|
|
inherited create;
|
|
typ:=ait_regalloc;
|
|
ratype:=ra_alloc;
|
|
reg:=r;
|
|
{ ainstr must be an instruction }
|
|
if assigned(ainstr) and
|
|
(ainstr.typ<>ait_instruction) then
|
|
internalerror(200411011);
|
|
instr:=ainstr;
|
|
end;
|
|
|
|
|
|
constructor tai_regalloc.dealloc(r : tregister;ainstr:tai);
|
|
begin
|
|
inherited create;
|
|
typ:=ait_regalloc;
|
|
ratype:=ra_dealloc;
|
|
reg:=r;
|
|
{ ainstr must be an instruction }
|
|
if assigned(ainstr) and
|
|
(ainstr.typ<>ait_instruction) then
|
|
internalerror(200411012);
|
|
instr:=ainstr;
|
|
end;
|
|
|
|
|
|
constructor tai_regalloc.sync(r : tregister);
|
|
begin
|
|
inherited create;
|
|
typ:=ait_regalloc;
|
|
ratype:=ra_sync;
|
|
reg:=r;
|
|
end;
|
|
|
|
|
|
constructor tai_regalloc.resize(r : tregister);
|
|
begin
|
|
inherited create;
|
|
typ:=ait_regalloc;
|
|
ratype:=ra_resize;
|
|
reg:=r;
|
|
end;
|
|
|
|
|
|
constructor tai_regalloc.ppuload(t:taitype;ppufile:tcompilerppufile);
|
|
begin
|
|
inherited ppuload(t,ppufile);
|
|
ppufile.getdata(reg,sizeof(Tregister));
|
|
ratype:=tregalloctype(ppufile.getbyte);
|
|
end;
|
|
|
|
|
|
procedure tai_regalloc.ppuwrite(ppufile:tcompilerppufile);
|
|
begin
|
|
inherited ppuwrite(ppufile);
|
|
ppufile.putdata(reg,sizeof(Tregister));
|
|
ppufile.putbyte(byte(ratype));
|
|
end;
|
|
|
|
|
|
{*****************************************************************************
|
|
TaiInstruction
|
|
*****************************************************************************}
|
|
|
|
constructor tai_cpu_abstract.Create(op : tasmop);
|
|
|
|
begin
|
|
inherited create;
|
|
typ:=ait_instruction;
|
|
is_jmp:=false;
|
|
opcode:=op;
|
|
ops:=0;
|
|
fillchar(condition,sizeof(condition),0);
|
|
fillchar(oper,sizeof(oper),0);
|
|
end;
|
|
|
|
|
|
destructor tai_cpu_abstract.Destroy;
|
|
var
|
|
i : integer;
|
|
begin
|
|
for i:=0 to opercnt-1 do
|
|
begin
|
|
clearop(i);
|
|
dispose(oper[i]);
|
|
end;
|
|
inherited destroy;
|
|
end;
|
|
|
|
|
|
{ ---------------------------------------------------------------------
|
|
Loading of operands.
|
|
---------------------------------------------------------------------}
|
|
|
|
procedure tai_cpu_abstract.allocate_oper(opers:longint);
|
|
begin
|
|
while (opers>opercnt) do
|
|
begin
|
|
new(oper[opercnt]);
|
|
fillchar(oper[opercnt]^,sizeof(toper),0);
|
|
inc(opercnt);
|
|
end;
|
|
end;
|
|
|
|
|
|
procedure tai_cpu_abstract.loadconst(opidx:longint;l:aint);
|
|
begin
|
|
allocate_oper(opidx+1);
|
|
with oper[opidx]^ do
|
|
begin
|
|
if typ<>top_const then
|
|
clearop(opidx);
|
|
val:=l;
|
|
typ:=top_const;
|
|
end;
|
|
end;
|
|
|
|
|
|
procedure tai_cpu_abstract.loadsymbol(opidx:longint;s:tasmsymbol;sofs:longint);
|
|
var
|
|
r : treference;
|
|
begin
|
|
reference_reset_symbol(r,s,sofs);
|
|
r.refaddr:=addr_full;
|
|
loadref(opidx,r);
|
|
end;
|
|
|
|
|
|
procedure tai_cpu_abstract.loadlocal(opidx:longint;s:pointer;sofs:longint;indexreg:tregister;scale:byte;getoffset,forceref:boolean);
|
|
begin
|
|
if not assigned(s) then
|
|
internalerror(200204251);
|
|
allocate_oper(opidx+1);
|
|
with oper[opidx]^ do
|
|
begin
|
|
if typ<>top_local then
|
|
begin
|
|
clearop(opidx);
|
|
new(localoper);
|
|
end;
|
|
with oper[opidx]^.localoper^ do
|
|
begin
|
|
localsym:=s;
|
|
localsymofs:=sofs;
|
|
localindexreg:=indexreg;
|
|
localscale:=scale;
|
|
localgetoffset:=getoffset;
|
|
localforceref:=forceref;
|
|
end;
|
|
typ:=top_local;
|
|
end;
|
|
end;
|
|
|
|
|
|
|
|
procedure tai_cpu_abstract.loadref(opidx:longint;const r:treference);
|
|
begin
|
|
allocate_oper(opidx+1);
|
|
with oper[opidx]^ do
|
|
begin
|
|
if typ<>top_ref then
|
|
begin
|
|
clearop(opidx);
|
|
new(ref);
|
|
end;
|
|
|
|
ref^:=r;
|
|
{$ifdef x86}
|
|
{ We allow this exception for x86, since overloading this would be
|
|
too much of a a speed penalty}
|
|
if (ref^.segment<>NR_NO) and (ref^.segment<>NR_DS) then
|
|
segprefix:=ref^.segment;
|
|
{$endif}
|
|
{$ifdef extdebug}
|
|
if (cs_create_pic in aktmoduleswitches) and
|
|
assigned(r.symbol) and
|
|
(r.refaddr=addr_no) then
|
|
internalerror(200502052);
|
|
{$endif}
|
|
typ:=top_ref;
|
|
if assigned(add_reg_instruction_hook) then
|
|
begin
|
|
add_reg_instruction_hook(self,ref^.base);
|
|
add_reg_instruction_hook(self,ref^.index);
|
|
end;
|
|
{ mark symbol as used }
|
|
if assigned(ref^.symbol) then
|
|
ref^.symbol.increfs;
|
|
end;
|
|
end;
|
|
|
|
|
|
procedure tai_cpu_abstract.loadreg(opidx:longint;r:tregister);
|
|
begin
|
|
allocate_oper(opidx+1);
|
|
with oper[opidx]^ do
|
|
begin
|
|
if typ<>top_reg then
|
|
clearop(opidx);
|
|
reg:=r;
|
|
typ:=top_reg;
|
|
end;
|
|
if assigned(add_reg_instruction_hook) then
|
|
add_reg_instruction_hook(self,r);
|
|
{$ifdef ARM}
|
|
{ R15 is the PC on the ARM thus moves to R15 are jumps.
|
|
Due to speed considerations we don't use a virtual overridden method here.
|
|
Because the pc/r15 isn't handled by the reg. allocator this should never cause
|
|
problems with iregs getting r15.
|
|
}
|
|
is_jmp:=(opcode=A_MOV) and (opidx=0) and (r=NR_R15);
|
|
{$endif ARM}
|
|
end;
|
|
|
|
|
|
procedure tai_cpu_abstract.loadoper(opidx:longint;o:toper);
|
|
begin
|
|
allocate_oper(opidx+1);
|
|
clearop(opidx);
|
|
oper[opidx]^:=o;
|
|
{ copy also the reference }
|
|
with oper[opidx]^ do
|
|
begin
|
|
case typ of
|
|
top_reg:
|
|
begin
|
|
if assigned(add_reg_instruction_hook) then
|
|
add_reg_instruction_hook(self,reg);
|
|
end;
|
|
top_ref:
|
|
begin
|
|
new(ref);
|
|
ref^:=o.ref^;
|
|
if assigned(add_reg_instruction_hook) then
|
|
begin
|
|
add_reg_instruction_hook(self,ref^.base);
|
|
add_reg_instruction_hook(self,ref^.index);
|
|
end;
|
|
end;
|
|
{$ifdef ARM}
|
|
top_shifterop:
|
|
begin
|
|
new(shifterop);
|
|
shifterop^:=o.shifterop^;
|
|
if assigned(add_reg_instruction_hook) then
|
|
add_reg_instruction_hook(self,shifterop^.rs);
|
|
end;
|
|
{$endif ARM}
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
procedure tai_cpu_abstract.clearop(opidx:longint);
|
|
begin
|
|
with oper[opidx]^ do
|
|
begin
|
|
case typ of
|
|
top_ref:
|
|
dispose(ref);
|
|
top_local:
|
|
dispose(localoper);
|
|
{$ifdef ARM}
|
|
top_shifterop:
|
|
dispose(shifterop);
|
|
top_regset:
|
|
dispose(regset);
|
|
{$endif ARM}
|
|
end;
|
|
typ:=top_none;
|
|
end;
|
|
end;
|
|
|
|
|
|
{ ---------------------------------------------------------------------
|
|
Miscellaneous methods.
|
|
---------------------------------------------------------------------}
|
|
|
|
procedure tai_cpu_abstract.SetCondition(const c:TAsmCond);
|
|
begin
|
|
condition:=c;
|
|
end;
|
|
|
|
|
|
Function tai_cpu_abstract.getcopy:TLinkedListItem;
|
|
var
|
|
i : longint;
|
|
p : tai_cpu_abstract;
|
|
begin
|
|
p:=tai_cpu_abstract(inherited getcopy);
|
|
{ make a copy of the references }
|
|
p.opercnt:=0;
|
|
p.allocate_oper(ops);
|
|
for i:=0 to ops-1 do
|
|
begin
|
|
p.oper[i]^:=oper[i]^;
|
|
case oper[i]^.typ of
|
|
top_local :
|
|
begin
|
|
new(p.oper[i]^.localoper);
|
|
p.oper[i]^.localoper^:=oper[i]^.localoper^;
|
|
end;
|
|
top_ref :
|
|
begin
|
|
new(p.oper[i]^.ref);
|
|
p.oper[i]^.ref^:=oper[i]^.ref^;
|
|
end;
|
|
{$ifdef ARM}
|
|
top_shifterop:
|
|
begin
|
|
new(p.oper[i]^.shifterop);
|
|
p.oper[i]^.shifterop^:=oper[i]^.shifterop^;
|
|
end;
|
|
{$endif ARM}
|
|
end;
|
|
end;
|
|
getcopy:=p;
|
|
end;
|
|
|
|
|
|
function tai_cpu_abstract.is_same_reg_move(regtype: Tregistertype):boolean;
|
|
begin
|
|
{ When the generic RA is used this needs to be overriden, we don't use
|
|
virtual;abstract; to prevent a lot of warnings of unimplemented abstract methods
|
|
when tai_cpu is created (PFV) }
|
|
internalerror(200404091);
|
|
result:=false;
|
|
end;
|
|
|
|
|
|
function tai_cpu_abstract.spilling_get_operation_type(opnr: longint): topertype;
|
|
begin
|
|
internalerror(200404091);
|
|
result:=operand_readwrite;
|
|
end;
|
|
|
|
|
|
function tai_cpu_abstract.spilling_get_operation_type_ref(opnr: longint; reg: tregister): topertype;
|
|
begin
|
|
result := operand_read;
|
|
end;
|
|
|
|
|
|
constructor tai_cpu_abstract.ppuload(t:taitype;ppufile:tcompilerppufile);
|
|
var
|
|
i : integer;
|
|
begin
|
|
inherited ppuload(t,ppufile);
|
|
{ hopefully, we don't get problems with big/litte endian here when cross compiling :/ }
|
|
ppufile.getdata(condition,sizeof(tasmcond));
|
|
allocate_oper(ppufile.getbyte);
|
|
for i:=0 to ops-1 do
|
|
ppuloadoper(ppufile,oper[i]^);
|
|
opcode:=tasmop(ppufile.getword);
|
|
{$ifdef x86}
|
|
ppufile.getdata(segprefix,sizeof(Tregister));
|
|
{$endif x86}
|
|
is_jmp:=boolean(ppufile.getbyte);
|
|
end;
|
|
|
|
|
|
procedure tai_cpu_abstract.ppuwrite(ppufile:tcompilerppufile);
|
|
var
|
|
i : integer;
|
|
begin
|
|
inherited ppuwrite(ppufile);
|
|
ppufile.putdata(condition,sizeof(tasmcond));
|
|
ppufile.putbyte(ops);
|
|
for i:=0 to ops-1 do
|
|
ppuwriteoper(ppufile,oper[i]^);
|
|
ppufile.putword(word(opcode));
|
|
{$ifdef x86}
|
|
ppufile.putdata(segprefix,sizeof(Tregister));
|
|
{$endif x86}
|
|
ppufile.putbyte(byte(is_jmp));
|
|
end;
|
|
|
|
|
|
procedure tai_cpu_abstract.buildderefimpl;
|
|
var
|
|
i : integer;
|
|
begin
|
|
for i:=0 to ops-1 do
|
|
ppubuildderefimploper(oper[i]^);
|
|
end;
|
|
|
|
|
|
procedure tai_cpu_abstract.derefimpl;
|
|
var
|
|
i : integer;
|
|
begin
|
|
for i:=0 to ops-1 do
|
|
ppuderefoper(oper[i]^);
|
|
end;
|
|
|
|
|
|
{****************************************************************************
|
|
tai_align_abstract
|
|
****************************************************************************}
|
|
|
|
constructor tai_align_abstract.Create(b: byte);
|
|
begin
|
|
inherited Create;
|
|
typ:=ait_align;
|
|
if b in [1,2,4,8,16,32] then
|
|
aligntype := b
|
|
else
|
|
aligntype := 1;
|
|
fillsize:=0;
|
|
fillop:=0;
|
|
use_op:=false;
|
|
end;
|
|
|
|
|
|
constructor tai_align_abstract.Create_op(b: byte; _op: byte);
|
|
begin
|
|
inherited Create;
|
|
typ:=ait_align;
|
|
if b in [1,2,4,8,16,32] then
|
|
aligntype := b
|
|
else
|
|
aligntype := 1;
|
|
fillsize:=0;
|
|
fillop:=_op;
|
|
use_op:=true;
|
|
end;
|
|
|
|
|
|
constructor tai_align_abstract.Create_zeros(b: byte);
|
|
begin
|
|
inherited Create;
|
|
typ:=ait_align;
|
|
if b in [1,2,4,8,16,32] then
|
|
aligntype := b
|
|
else
|
|
aligntype := 1;
|
|
use_op:=true;
|
|
fillsize:=0;
|
|
fillop:=0;
|
|
end;
|
|
|
|
|
|
function tai_align_abstract.calculatefillbuf(var buf : tfillbuffer):pchar;
|
|
begin
|
|
if fillsize>sizeof(buf) then
|
|
internalerror(200404293);
|
|
fillchar(buf,high(buf),fillop);
|
|
calculatefillbuf:=pchar(@buf);
|
|
end;
|
|
|
|
|
|
constructor tai_align_abstract.ppuload(t:taitype;ppufile:tcompilerppufile);
|
|
begin
|
|
inherited ppuload(t,ppufile);
|
|
aligntype:=ppufile.getbyte;
|
|
fillsize:=0;
|
|
fillop:=ppufile.getbyte;
|
|
use_op:=boolean(ppufile.getbyte);
|
|
end;
|
|
|
|
|
|
procedure tai_align_abstract.ppuwrite(ppufile:tcompilerppufile);
|
|
begin
|
|
inherited ppuwrite(ppufile);
|
|
ppufile.putbyte(aligntype);
|
|
ppufile.putbyte(fillop);
|
|
ppufile.putbyte(byte(use_op));
|
|
end;
|
|
|
|
|
|
{*****************************************************************************
|
|
TAAsmOutput
|
|
*****************************************************************************}
|
|
|
|
constructor taasmoutput.create;
|
|
begin
|
|
inherited create;
|
|
{ make sure the optimizer won't remove the first tai of this list}
|
|
insert(tai_marker.create(marker_blockstart));
|
|
end;
|
|
|
|
|
|
function taasmoutput.empty : boolean;
|
|
begin
|
|
{ there is always a marker_blockstart available,
|
|
see taasmoutput.create }
|
|
result:=(count<=1);
|
|
end;
|
|
|
|
|
|
function taasmoutput.getlasttaifilepos : pfileposinfo;
|
|
var
|
|
hp : tlinkedlistitem;
|
|
begin
|
|
getlasttaifilepos := nil;
|
|
if assigned(last) then
|
|
begin
|
|
{ find the last file information record }
|
|
if not (tai(last).typ in SkipLineInfo) then
|
|
getlasttaifilepos:=@tailineinfo(last).fileinfo
|
|
else
|
|
{ go through list backwards to find the first entry
|
|
with line information
|
|
}
|
|
begin
|
|
hp:=tai(last);
|
|
while assigned(hp) and (tai(hp).typ in SkipLineInfo) do
|
|
hp:=hp.Previous;
|
|
{ found entry }
|
|
if assigned(hp) then
|
|
getlasttaifilepos:=@tailineinfo(hp).fileinfo
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
procedure Taasmoutput.InsertAfter(Item,Loc : TLinkedListItem);
|
|
|
|
begin
|
|
{ This is not possible because it is not sure that the
|
|
tai at Loc has taifileinfo as parent }
|
|
{if assigned(Loc) then
|
|
tailineinfo(Item).fileinfo:=tailineinfo(Loc).fileinfo;}
|
|
inherited InsertAfter(Item,Loc);
|
|
end;
|
|
|
|
begin
|
|
cai_cpu:=tai_cpu_abstract;
|
|
cai_align:=tai_align_abstract;
|
|
end.
|