mirror of
https://gitlab.com/freepascal.org/fpc/source.git
synced 2025-04-07 01:27:55 +02:00
380 lines
9.6 KiB
ObjectPascal
380 lines
9.6 KiB
ObjectPascal
{
|
|
Copyright (c) 1998-2000 by Pavel Ozerski
|
|
|
|
This program implements support post processing
|
|
for the (i386) Win32 target
|
|
|
|
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.
|
|
|
|
****************************************************************************
|
|
}
|
|
program postw32;
|
|
uses
|
|
{$ifdef fpc}
|
|
strings
|
|
{$else}
|
|
sysutils
|
|
{$endif}
|
|
;
|
|
|
|
const
|
|
execinfo_f_cant_open_executable='Cannot open file ';
|
|
execinfo_x_codesize='Code size: ';
|
|
execinfo_x_initdatasize='Size of Initialized Data: ';
|
|
execinfo_x_uninitdatasize='Size of Uninitialized Data: ';
|
|
execinfo_f_cant_process_executable='Cannot process file ';
|
|
execinfo_x_stackreserve='Size of Stack Reserve: ';
|
|
execinfo_x_stackcommit='Size of Stack Commit: ';
|
|
|
|
type
|
|
tapptype = (at_none,
|
|
at_gui,at_cui
|
|
);
|
|
|
|
var
|
|
verbose:longbool;
|
|
stacksize,
|
|
ii,jj:longint;
|
|
code:integer;
|
|
DllVersion : sTring;
|
|
Dllmajor,Dllminor : word;
|
|
apptype : tapptype;
|
|
|
|
function tostr(i : longint) : string;
|
|
{
|
|
return string of value i
|
|
}
|
|
var
|
|
hs : string;
|
|
begin
|
|
str(i,hs);
|
|
tostr:=hs;
|
|
end;
|
|
|
|
procedure Message1(const info,fn:string);
|
|
var
|
|
e:longbool;
|
|
begin
|
|
e:=pos('Cannot',info)=1;
|
|
if verbose or e then
|
|
writeln(info,fn);
|
|
if e then
|
|
halt(1);
|
|
end;
|
|
|
|
|
|
function postprocessexecutable(const fn : string;isdll:boolean):boolean;
|
|
type
|
|
tdosheader = packed record
|
|
e_magic : word;
|
|
e_cblp : word;
|
|
e_cp : word;
|
|
e_crlc : word;
|
|
e_cparhdr : word;
|
|
e_minalloc : word;
|
|
e_maxalloc : word;
|
|
e_ss : word;
|
|
e_sp : word;
|
|
e_csum : word;
|
|
e_ip : word;
|
|
e_cs : word;
|
|
e_lfarlc : word;
|
|
e_ovno : word;
|
|
e_res : array[0..3] of word;
|
|
e_oemid : word;
|
|
e_oeminfo : word;
|
|
e_res2 : array[0..9] of word;
|
|
e_lfanew : longint;
|
|
end;
|
|
tpeheader = packed record
|
|
PEMagic : array[0..3] of char;
|
|
Machine : word;
|
|
NumberOfSections : word;
|
|
TimeDateStamp : longint;
|
|
PointerToSymbolTable : longint;
|
|
NumberOfSymbols : longint;
|
|
SizeOfOptionalHeader : word;
|
|
Characteristics : word;
|
|
Magic : word;
|
|
MajorLinkerVersion : byte;
|
|
MinorLinkerVersion : byte;
|
|
SizeOfCode : longint;
|
|
SizeOfInitializedData : longint;
|
|
SizeOfUninitializedData : longint;
|
|
AddressOfEntryPoint : longint;
|
|
BaseOfCode : longint;
|
|
BaseOfData : longint;
|
|
ImageBase : longint;
|
|
SectionAlignment : longint;
|
|
FileAlignment : longint;
|
|
MajorOperatingSystemVersion : word;
|
|
MinorOperatingSystemVersion : word;
|
|
MajorImageVersion : word;
|
|
MinorImageVersion : word;
|
|
MajorSubsystemVersion : word;
|
|
MinorSubsystemVersion : word;
|
|
Reserved1 : longint;
|
|
SizeOfImage : longint;
|
|
SizeOfHeaders : longint;
|
|
CheckSum : longint;
|
|
Subsystem : word;
|
|
DllCharacteristics : word;
|
|
SizeOfStackReserve : longint;
|
|
SizeOfStackCommit : longint;
|
|
SizeOfHeapReserve : longint;
|
|
SizeOfHeapCommit : longint;
|
|
LoaderFlags : longint;
|
|
NumberOfRvaAndSizes : longint;
|
|
DataDirectory : array[1..$80] of byte;
|
|
end;
|
|
tcoffsechdr=packed record
|
|
name : array[0..7] of char;
|
|
vsize : longint;
|
|
rvaofs : longint;
|
|
datalen : longint;
|
|
datapos : longint;
|
|
relocpos : longint;
|
|
lineno1 : longint;
|
|
nrelocs : word;
|
|
lineno2 : word;
|
|
flags : longint;
|
|
end;
|
|
psecfill=^tsecfill;
|
|
tsecfill=record
|
|
fillpos,
|
|
fillsize : longint;
|
|
next : psecfill;
|
|
end;
|
|
var
|
|
f : file;
|
|
dosheader : tdosheader;
|
|
peheader : tpeheader;
|
|
firstsecpos,
|
|
maxfillsize,
|
|
l,peheaderpos : longint;
|
|
coffsec : tcoffsechdr;
|
|
secroot,hsecroot : psecfill;
|
|
zerobuf : pointer;
|
|
begin
|
|
postprocessexecutable:=false;
|
|
{ open file }
|
|
assign(f,fn);
|
|
{$I-}
|
|
reset(f,1);
|
|
if ioresult<>0 then
|
|
Message1(execinfo_f_cant_open_executable,fn);
|
|
{ read headers }
|
|
blockread(f,dosheader,sizeof(tdosheader));
|
|
peheaderpos:=dosheader.e_lfanew;
|
|
seek(f,peheaderpos);
|
|
blockread(f,peheader,sizeof(tpeheader));
|
|
{ write info }
|
|
Message1(execinfo_x_codesize,tostr(peheader.SizeOfCode));
|
|
Message1(execinfo_x_initdatasize,tostr(peheader.SizeOfInitializedData));
|
|
Message1(execinfo_x_uninitdatasize,tostr(peheader.SizeOfUninitializedData));
|
|
{ change stack size (PM) }
|
|
{ I am not sure that the default value is adequate !! }
|
|
peheader.SizeOfStackReserve:=stacksize;
|
|
{ change the header }
|
|
{ sub system }
|
|
{ gui=2 }
|
|
{ cui=3 }
|
|
if apptype=at_gui then
|
|
peheader.Subsystem:=2
|
|
else if apptype=at_cui then
|
|
peheader.Subsystem:=3;
|
|
if dllversion<>'' then
|
|
begin
|
|
peheader.MajorImageVersion:=dllmajor;
|
|
peheader.MinorImageVersion:=dllminor;
|
|
end;
|
|
{ reset timestamp }
|
|
peheader.TimeDateStamp:=0;
|
|
{ write header back }
|
|
seek(f,peheaderpos);
|
|
blockwrite(f,peheader,sizeof(tpeheader));
|
|
if ioresult<>0 then
|
|
Message1(execinfo_f_cant_process_executable,fn);
|
|
seek(f,peheaderpos);
|
|
blockread(f,peheader,sizeof(tpeheader));
|
|
{ write the value after the change }
|
|
Message1(execinfo_x_stackreserve,tostr(peheader.SizeOfStackReserve));
|
|
Message1(execinfo_x_stackcommit,tostr(peheader.SizeOfStackCommit));
|
|
{ read section info }
|
|
maxfillsize:=0;
|
|
firstsecpos:=0;
|
|
secroot:=nil;
|
|
for l:=1to peheader.NumberOfSections do
|
|
begin
|
|
blockread(f,coffsec,sizeof(tcoffsechdr));
|
|
if coffsec.datapos>0 then
|
|
begin
|
|
if secroot=nil then
|
|
firstsecpos:=coffsec.datapos;
|
|
new(hsecroot);
|
|
hsecroot^.fillpos:=coffsec.datapos+coffsec.vsize;
|
|
hsecroot^.fillsize:=coffsec.datalen-coffsec.vsize;
|
|
hsecroot^.next:=secroot;
|
|
secroot:=hsecroot;
|
|
if secroot^.fillsize>maxfillsize then
|
|
maxfillsize:=secroot^.fillsize;
|
|
end;
|
|
end;
|
|
if firstsecpos>0 then
|
|
begin
|
|
l:=firstsecpos-filepos(f);
|
|
if l>maxfillsize then
|
|
maxfillsize:=l;
|
|
end
|
|
else
|
|
l:=0;
|
|
{ get zero buffer }
|
|
getmem(zerobuf,maxfillsize);
|
|
fillchar(zerobuf^,maxfillsize,0);
|
|
{ zero from sectioninfo until first section }
|
|
blockwrite(f,zerobuf^,l);
|
|
{ zero section alignments }
|
|
while assigned(secroot) do
|
|
begin
|
|
seek(f,secroot^.fillpos);
|
|
blockwrite(f,zerobuf^,secroot^.fillsize);
|
|
hsecroot:=secroot;
|
|
secroot:=secroot^.next;
|
|
dispose(hsecroot);
|
|
end;
|
|
freemem(zerobuf,maxfillsize);
|
|
close(f);
|
|
{$I+}
|
|
if ioresult<>0 then;
|
|
postprocessexecutable:=true;
|
|
end;
|
|
|
|
|
|
var
|
|
fn,s:string;
|
|
function GetSwitchValue(const key,shortkey,default:string;const PossibleValues:array of pchar):string;
|
|
var
|
|
i,j,k:longint;
|
|
x:double;
|
|
s1,s2:string;
|
|
code:integer;
|
|
|
|
procedure Error;
|
|
begin
|
|
writeln('Error: unrecognized option ',paramstr(i),' ',s1);
|
|
halt(1);
|
|
end;
|
|
|
|
begin
|
|
for i:=1 to paramcount do
|
|
if(paramstr(i)=key)or(paramstr(i)=shortkey)then
|
|
begin
|
|
s1:=paramstr(succ(i));
|
|
for j:=0 to high(PossibleValues)do
|
|
begin
|
|
s2:=strpas(PossibleValues[j]);
|
|
if(length(s2)>1)and(s2[1]='*')then
|
|
case s2[2]of
|
|
'i':
|
|
begin
|
|
val(s1,k,code);
|
|
if code<>0 then
|
|
error;
|
|
GetSwitchValue:=s1;
|
|
exit;
|
|
end;
|
|
'r':
|
|
begin
|
|
val(s1,x,code);
|
|
if code<>0 then
|
|
error;
|
|
GetSwitchValue:=s1;
|
|
exit;
|
|
end;
|
|
's':
|
|
begin
|
|
GetSwitchValue:=s1;
|
|
exit;
|
|
end;
|
|
end
|
|
else if s1=s2 then
|
|
begin
|
|
GetSwitchValue:=s1;
|
|
exit;
|
|
end;
|
|
end;
|
|
error;
|
|
end;
|
|
GetSwitchValue:=default;
|
|
end;
|
|
|
|
procedure help_info;
|
|
begin
|
|
fn:=paramstr(0);
|
|
for jj:=length(fn)downto 1 do
|
|
if fn[jj] in [':','\','/']then
|
|
begin
|
|
fn:=copy(fn,succ(jj),255);
|
|
break;
|
|
end;
|
|
writeln('Usage: ',fn,' [options]');
|
|
writeln('Options:');
|
|
writeln('-i | --input <file> - set input file;');
|
|
writeln('-m | --subsystem <console | gui> - set Win32 subsystem;');
|
|
writeln('-s | --stack <size> - set stack size;');
|
|
writeln('-V | --version <n.n> - set image version;');
|
|
writeln('-v | --verbose - show info while processing;');
|
|
writeln('-h | --help | -? - show this screen');
|
|
halt;
|
|
end;
|
|
|
|
begin
|
|
verbose:=false;
|
|
if paramcount=0 then
|
|
help_info;
|
|
for ii:=1 to paramcount do
|
|
if(paramstr(ii)='-h')or(paramstr(ii)='--help')or(paramstr(ii)='-?')then
|
|
help_info
|
|
else if(paramstr(ii)='-v')or(paramstr(ii)='--verbose')then
|
|
begin
|
|
verbose:=true;
|
|
break;
|
|
end;
|
|
fn:=GetSwitchValue('--input','-i','',['*s']);
|
|
val(GetSwitchValue('--stack','-s','33554432',['*i']),stacksize,code);
|
|
s:=GetSwitchValue('--subsystem','-m','console',['gui','console']);
|
|
if s='gui' then
|
|
apptype:=at_GUI
|
|
else
|
|
apptype:=at_cui;
|
|
dllversion:=GetSwitchValue('--version','-V','1.0',['*r']);
|
|
ii:=pos('.',dllversion);
|
|
if ii=0 then
|
|
begin
|
|
ii:=succ(length(dllversion));
|
|
dllversion:=dllversion+'.0';
|
|
end
|
|
else if ii=1 then
|
|
begin
|
|
ii:=2;
|
|
dllversion:='0.'+dllversion;
|
|
end;
|
|
val(copy(dllversion,1,pred(ii)),dllmajor,code);
|
|
val(copy(dllversion,succ(ii),length(dllversion)),dllminor,code);
|
|
if verbose then
|
|
writeln('Image Version: ',dllmajor,'.',dllminor);
|
|
PostProcessExecutable(fn,false);
|
|
end.
|