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{
Copyright (c) 2001-2002 by Peter Vreman
Contains the class for generating a map file
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
****************************************************************************
}
unit ogmap;
{$i fpcdefs.inc}
interface
uses
{ common }
cclasses,globtype,systems,
{ object writer }
aasmbase,ogbase
;
type
texemap = class
private
t : text;
FImageBase : aint;
public
constructor Create(const s:string);
destructor Destroy;override;
procedure Add(const s:string);
procedure AddHeader(const s:string);
procedure AddCommonSymbolsHeader;
procedure AddCommonSymbol(p:TObjSymbol);
procedure AddMemoryMapHeader(abase:aint);
procedure AddMemoryMapExeSection(p:texesection);
procedure AddMemoryMapObjectSection(p:TObjSection);
procedure AddMemoryMapSymbol(p:TObjSymbol);
end;
var
exemap : texemap;
implementation
uses
cutils,cfileutl,
globals,verbose;
{****************************************************************************
TExeMap
****************************************************************************}
constructor TExeMap.Create(const s:string);
begin
Assign(t,FixFileName(s));
Rewrite(t);
FImageBase:=0;
end;
destructor TExeMap.Destroy;
begin
Close(t);
end;
procedure TExeMap.Add(const s:string);
begin
writeln(t,s);
end;
procedure TExeMap.AddHeader(const s:string);
begin
Add('');
Add(s);
end;
procedure TExeMap.AddCommonSymbolsHeader;
begin
AddHeader('Allocating common symbols');
Add('Common symbol size file');
Add('');
end;
procedure TExeMap.AddCommonSymbol(p:TObjSymbol);
var
s : string;
begin
{ Common symbol size file }
s:=p.name;
if length(s)>20 then
begin
writeln(t,p.name);
s:='';
end;
Add(PadSpace(s,20)+'0x'+PadSpace(hexstr(p.size,1),16)+p.objsection.objdata.name);
end;
procedure TExeMap.AddMemoryMapHeader(abase:aint);
var
imagebasestr : string;
begin
FImageBase:=abase;
if FImageBase<>0 then
imagebasestr:=' (ImageBase='+HexStr(FImageBase,sizeof(aint)*2)+')'
else
imagebasestr:='';
AddHeader('Memory map'+imagebasestr);
Add('');
end;
procedure TExeMap.AddMemoryMapExeSection(p:texesection);
begin
{ .text 0x000018a8 0xd958 }
Add(PadSpace(p.name,19)+PadSpace(' 0x'+HexStr(p.mempos+Fimagebase,sizeof(aint)*2),12)+
' 0x'+HexStr(p.size,sizeof(aint)));
end;
procedure TExeMap.AddMemoryMapObjectSection(p:TObjSection);
var
secname : string;
begin
{ .text 0x000018a8 0xd958 object.o }
secname:=p.name;
if Length(secname)>18 then
begin
Add(' '+secname);
secname:='';
end;
Add(' '+PadSpace(secname,18)+PadSpace(' 0x'+HexStr(p.mempos+FImageBase,sizeof(aint)*2),12)+
' 0x'+HexStr(p.size,sizeof(aint))+' '+p.objdata.name);
end;
procedure TExeMap.AddMemoryMapSymbol(p:TObjSymbol);
begin
{ 0x00001e30 setup_screens }
Add(Space(20)+PadSpace('0x'+HexStr(p.address+Fimagebase,sizeof(aint)*2),25)+' '+p.name);
end;
end.
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