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* fixed pointer checking for win32, thx to Martin Schreiber for the patch

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florian 2005-03-10 20:36:31 +00:00
parent a8a32ac06f
commit 522531dbf8
1 changed files with 37 additions and 19 deletions
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20
rtl/inc/heaptrc.pp
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@ -729,6 +729,14 @@ var
eend : ptruint; external name '_end'; eend : ptruint; external name '_end';
{$endif} {$endif}
{$ifdef win32}
var
sdata : ptruint; external name '__data_start__';
edata : ptruint; external name '__data_end__';
sbss : ptruint; external name '__bss_start__';
ebss : ptruint; external name '__bss_end__';
{$endif}
procedure CheckPointer(p : pointer);{$ifndef NOSAVEREGISTERS}saveregisters;{$endif}[public, alias : 'FPC_CHECKPOINTER']; procedure CheckPointer(p : pointer);{$ifndef NOSAVEREGISTERS}saveregisters;{$endif}[public, alias : 'FPC_CHECKPOINTER'];
var var
@ -768,6 +776,13 @@ begin
if (ptruint(p)>ptruint(get_frame)) and if (ptruint(p)>ptruint(get_frame)) and
(ptruint(p)<Win32StackTop) then (ptruint(p)<Win32StackTop) then
goto _exit; goto _exit;
{ inside data ? }
if (ptruint(p)>=ptruint(@sdata)) and (ptruint(p)<ptruint(@edata)) then
goto _exit;
{ inside bss ? }
if (ptruint(p)>=ptruint(@sbss)) and (ptruint(p)<ptruint(@ebss)) then
goto _exit;
{$endif win32} {$endif win32}
{$ifdef linux} {$ifdef linux}
@ -1178,7 +1193,10 @@ finalization
end. end.
{ {
$Log$ $Log$
Revision 1.41 2005-03-04 16:49:34 peter Revision 1.42 2005-03-10 20:36:31 florian
* fixed pointer checking for win32, thx to Martin Schreiber for the patch
Revision 1.41 2005/03/04 16:49:34 peter
* fix getheapstatus bootstrapping * fix getheapstatus bootstrapping
Revision 1.40 2005/02/28 15:38:38 marco Revision 1.40 2005/02/28 15:38:38 marco