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[~] updated : dbgModuleClass constructor fills symbol cache for optimization

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git-svn-id: https://pykd.svn.codeplex.com/svn@60474 9b283d60-5439-405e-af05-b73fd8c4d996
This commit is contained in:
SND\kernelnet_cp 2011-01-20 08:38:44 +00:00
parent f932c40469
commit afb977d03b
3 changed files with 47 additions and 18 deletions

51
pykd/dbgmodule.cpp
View File

@ -101,6 +101,47 @@ findModule( ULONG64 addr )
/////////////////////////////////////////////////////////////////////////////////
dbgModuleClass::dbgModuleClass( const std::string &name, ULONG64 base, ULONG size ) :
m_name( name ),
m_base( base ),
m_end( base + size )
{
reloadSymbols();
std::string pattern = name + "!*";
ULONG64 enumHandle = 0;
HRESULT hres = dbgExt->symbols->StartSymbolMatch( pattern.c_str(), &enumHandle );
while( SUCCEEDED( hres ) )
{
char nameBuf[0x100];
ULONG64 offset = 0;
hres =
dbgExt->symbols->GetNextSymbolMatch(
enumHandle,
nameBuf,
sizeof( nameBuf ),
NULL,
&offset );
if ( FAILED( hres ) )
break;
std::string symbolName( nameBuf );
symbolName.erase( 0, name.size() + 1 );
m_offsets.insert( std::make_pair( symbolName, offset ) );
}
if ( enumHandle )
dbgExt->symbols->EndSymbolMatch( enumHandle );
}
/////////////////////////////////////////////////////////////////////////////////
void
dbgModuleClass::reloadSymbols()
{
@ -136,14 +177,8 @@ dbgModuleClass::getOffset( const std::string &symName )
{
return offset->second;
}
ULONG64 offsetVal = findAddressForSymbol( m_name, symName );
if ( (ULONG64)~0 == offsetVal )
return offsetVal;
m_offsets.insert( std::make_pair( symName, offsetVal ) );
return offsetVal;
return 0;
}
/////////////////////////////////////////////////////////////////////////////////

6
pykd/dbgmodule.h
View File

@ -17,11 +17,7 @@ public:
m_end( 0 )
{}
dbgModuleClass( const std::string &name, ULONG64 base, ULONG size ) :
m_name( name ),
m_base( base ),
m_end( base + size )
{}
dbgModuleClass( const std::string &name, ULONG64 base, ULONG size );
ULONG64
getBegin() const {

8
pykd/dbgsym.cpp
View File

@ -72,10 +72,8 @@ findAddressForSymbol( const std::string &moduleName, const std::string &symbol
ULONG64 offset = 0ULL;
hres = dbgExt->symbols->GetOffsetByName( ModuleSymName.c_str(), &offset );
if ( FAILED( hres ) )
throw DbgException( "IDebugSymbol::GetOffsetByName failed" );
return offset;
if ( SUCCEEDED( hres ) )
return offset;
}
catch( std::exception &e )
{
@ -86,7 +84,7 @@ findAddressForSymbol( const std::string &moduleName, const std::string &symbol
dbgExt->control->Output( DEBUG_OUTPUT_ERROR, "pykd unexpected error\n" );
}
return (ULONG64)~0;
return 0;
}
/////////////////////////////////////////////////////////////////////////////////