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https://github.com/martravi/wiiqt6.git
synced 2024-11-22 05:29:14 +01:00
* symbolizer: handle HA and HI relacotians differently. use unique function names in IDC
git-svn-id: http://wiiqt.googlecode.com/svn/trunk@115 389f4c8b-5dfe-645f-db0e-df882bc27289
This commit is contained in:
giantpune
parent
ea3e04d2c0
commit
a4648d8cac
@ -348,6 +348,7 @@ bool ElfParser::ParseFileText( const QStringList &strs, const QStringList §i
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switch( refType )
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{
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case SymRef::R_PPC_ADDR16_HA:
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case SymRef::R_PPC_ADDR16_HI:
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case SymRef::R_PPC_ADDR16_LO:
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{
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@ -560,7 +561,11 @@ QString ElfParser::GetNonOperRef( const QString &str, quint32 *off, SymRef::Type
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{
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*type = SymRef::R_PPC_EMB_SDA21;
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}
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else if( str.contains( "R_PPC_ADDR16_HA" ) || str.contains( "R_PPC_ADDR16_HI" ) )
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else if( str.contains( "R_PPC_ADDR16_HA" ) )
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{
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*type = SymRef::R_PPC_ADDR16_HA;
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}
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else if( str.contains( "R_PPC_ADDR16_HI" ) )
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{
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*type = SymRef::R_PPC_ADDR16_HI;
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}
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@ -11,7 +11,8 @@ struct SymRef
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{
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enum Type
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{
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R_PPC_ADDR16_HI, // reference to the upper 16 bits of the variable. ie "lis"
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R_PPC_ADDR16_HA, // reference to the upper 16 bits of the variable and treats stuff as signed. ie "lis, addi"
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R_PPC_ADDR16_HI, // reference to the upper 16 bits of the variable and treats the valuas as unsigned. ie "lis, ori"
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R_PPC_ADDR16_LO, // refers to the lower 16 bits. ie "addi"
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R_PPC_REL24, // refers by branching. ie "bl"
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R_PPC_SDAREL16, // no clue wtf this one does
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@ -37,7 +37,7 @@ struct KnownFunction
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struct KnownVariable
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{
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quint32 sig; // signature for opcodes dealing with this variable when GLOBALVAR_MASK()'d
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//! given lwz %r0, -0x5460(%r13), it will store the -0x5460(%r13)
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//! given lwz %r0, -0x5460(%r13), it will store the -0x5460(%r13)
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QString name; // symbol name
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ElfParser::File *file; // pointer to the file object that contains the data
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};
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@ -744,7 +744,7 @@ void TryToMatchData()
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{
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if( alias.containerName == kd.name )
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{
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qDebug() << hex << " " << ( kd.addr + alias.offset ) << alias.size << alias.name;
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qDebug() << hex << " " << ( kd.addr + alias.offset ) << alias.size << alias.name;
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}
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}*/
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}
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@ -950,9 +950,24 @@ void TryToMatchFunctions1()
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switch( ref.type )
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{
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case SymRef::R_PPC_ADDR16_HA:// upper 16 bits
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{
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quint32 symbol = ( it.second->addr + ref.symOff + aliasDiff );
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quint16 upper = ( ( symbol & 0xffff0000 ) >> 16 ) + ( ( symbol & 0x8000 ) ? 1 : 0 );
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if( ( opcode & 0xffff ) != upper )
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{
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fail = true;
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//qDebug() << "bad high" << hex << opcode << refOff << ref.name << ref.symOff;
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//qDebug() << hex << "expected" << (quint32)( ( ( it.second->addr + ref.symOff + aliasDiff ) & 0xffff0000 ) >> 16 );
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//DumpRefs( *( it.first ) );
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}
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}
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break;
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case SymRef::R_PPC_ADDR16_HI:// upper 16 bits
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{
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if( ( opcode & 0xffff ) != ( ( ( it.second->addr + ref.symOff + aliasDiff ) & 0xffff0000 ) >> 16 ) )
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quint16 upper = ( ( ( it.second->addr + ref.symOff + aliasDiff ) & 0xffff0000 ) >> 16 );
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if( ( opcode & 0xffff ) != upper )
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{
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fail = true;
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//qDebug() << "bad high" << hex << opcode << refOff << ref.name << ref.symOff;
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@ -1059,18 +1074,18 @@ void FindGlobalVariables()
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newVariables << nw;
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/*qDebug() << "opcode" << hex << opcode << "addr" << addr;
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qDebug() << kf1.function->Name() << ref.name;
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qDebug();
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quint32 z = GLOBALVAR_MASK( opcode );
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opcode = z;
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quint32 s = (quint32)PPCGETD( opcode );
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quint32 a = (quint32)PPCGETA( opcode );
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quint32 d = (quint32)( opcode & 0xffff );
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quint32 o = (quint32)( PPCGETIDX( opcode ) - 32 );
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DU32( o );
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DU32( d );
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DU32( s );
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DU32( a );*/
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qDebug() << kf1.function->Name() << ref.name;
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qDebug();
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quint32 z = GLOBALVAR_MASK( opcode );
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opcode = z;
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quint32 s = (quint32)PPCGETD( opcode );
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quint32 a = (quint32)PPCGETA( opcode );
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quint32 d = (quint32)( opcode & 0xffff );
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quint32 o = (quint32)( PPCGETIDX( opcode ) - 32 );
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DU32( o );
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DU32( d );
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DU32( s );
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DU32( a );*/
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//exit( 0 );
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}
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}
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@ -1288,15 +1303,15 @@ void TryToMatchFunctions2( QMap< const ElfParser::Function *, quint32 > &nonMatc
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else
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{
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/*if( fun2.Name() == "NANDPrivateCreateAsync" )
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{
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qDebug() << "expected" << fun2.Name() << "at" << hex << res << "but pattern didnt match";
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qDebug() << "being called from" << fun->Name() << "at" << hex << addr;
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qDebug() << "offset" << NStr( textOffset ) << "in section" << dolIdx;
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qDebug() << fun2.Pattern();
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qDebug() << wholeDolHex.at( dolIdx ).mid( textOffset, fun2.Pattern().size() );
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exit( 0 );
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{
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qDebug() << "expected" << fun2.Name() << "at" << hex << res << "but pattern didnt match";
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qDebug() << "being called from" << fun->Name() << "at" << hex << addr;
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qDebug() << "offset" << NStr( textOffset ) << "in section" << dolIdx;
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qDebug() << fun2.Pattern();
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qDebug() << wholeDolHex.at( dolIdx ).mid( textOffset, fun2.Pattern().size() );
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exit( 0 );
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}*/
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}*/
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//qDebug() << "expected" << fun2.Name() << "at" << hex << res << "but pattern didnt match";
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//qDebug() << "being called from" << fun->Name() << "at" << hex << addr;
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nonMatchingBranches[ &fun2 ] = res;
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@ -1533,6 +1548,18 @@ QList< QPair< const ElfParser::Function *, quint32> > TryToMatchFunctions4( QLis
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#define INDENT_TXT QString( " " )
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QString MakeUniqueName( const QString &name, QStringList &list )
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{
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quint32 fix = 0;
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QString ret( name );
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while( list.contains( ret ) )
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{
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ret = name + QString( "_%1" ).arg( fix++ );
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}
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list << ret;
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return ret;
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}
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QString CleanupNameString( const QString &name )// gcc puts the section name at the front of the user-given name
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{
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if( name.startsWith( ".sbss." ) )
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@ -1579,6 +1606,7 @@ QString MakeIDC( const QString &dolPath, const QString &libPath, const QMap< con
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+ INDENT_TXT + "MakeFunction( addr, len );\n"
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+ INDENT_TXT + "MakeName( addr, name );\n"
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+"}\n\n";
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QStringList uniquiFunctionNames;
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bool insertedMakeCode = false;
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bool haveData = knownData.size() != 0;
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if( haveData )
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@ -1635,16 +1663,17 @@ QString MakeIDC( const QString &dolPath, const QString &libPath, const QMap< con
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QString line;
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if( kf.function )
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{
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QString name = MakeUniqueName( CleanupNameString( kf.function->Name() ), uniquiFunctionNames );
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line += INDENT_TXT + QString( "CreateFunction( 0x%1, 0x%2, \"%3\" ); " )
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.arg( kf.addr, 8, 16, QChar( '0' ) ).arg( kf.function->Pattern().size() / 2, 4, 16, QChar( '0' ) )
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.arg( CleanupNameString( kf.function->Name() ) );
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.arg( name );
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if( kf.file->Name() != libPath )
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{
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line += QString( "MakeComm( 0x%1, \"File: %2\" );" )
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.arg( kf.addr, 8, 16, QChar( '0' ) ).arg( kf.file->Name() );
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}
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// line += " // " + kf.debug;
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// line += " // " + kf.debug;
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line += '\n';
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@ -1661,11 +1690,12 @@ QString MakeIDC( const QString &dolPath, const QString &libPath, const QMap< con
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}
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else
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{
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QString name = MakeUniqueName( CleanupNameString( kf.name ), uniquiFunctionNames );
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line += INDENT_TXT + QString( "CreateFunction( 0x%1, BADADDR, \"%2\" );" )
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.arg( kf.addr, 8, 16, QChar( '0' ) )
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.arg( CleanupNameString( kf.name ) );
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.arg( name );
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// line += " // " + kf.debug;
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// line += " // " + kf.debug;
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line += '\n';
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}
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@ -1687,20 +1717,21 @@ QString MakeIDC( const QString &dolPath, const QString &libPath, const QMap< con
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while( it.hasNext() )
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{
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it.next();
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QString name = MakeUniqueName( CleanupNameString( it.key()->Name() ), uniquiFunctionNames );
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ret += INDENT_TXT + QString( "CreateFunction( 0x%1, BADADDR, \"%2\" );\n" ) // BADADDR because we cant trust the pattern size when it doesnt match the expected
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.arg( it.value(), 8, 16, QChar( '0' ) )
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.arg( CleanupNameString( it.key()->Name() ) );
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.arg( name );
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// do something cool here with the r13/rtoc references
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// these cant be trusted since the functions here dont match expected patterns
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/*foreach( const SymRef &ref, it.key()->References() )
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{
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if( ref.type == SymRef::R_PPC_EMB_SDA21 )
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{
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ret += INDENT_TXT + INDENT_TXT + QString( "MakeComm( 0x%1, \"%2\" );\n" )
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.arg( it.value() + ( ref.off & ~3 ), 8, 16, QChar( '0' ) )
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.arg( CleanupNameString( ref.name ) );
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}
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}*/
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{
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if( ref.type == SymRef::R_PPC_EMB_SDA21 )
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{
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ret += INDENT_TXT + INDENT_TXT + QString( "MakeComm( 0x%1, \"%2\" );\n" )
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.arg( it.value() + ( ref.off & ~3 ), 8, 16, QChar( '0' ) )
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.arg( CleanupNameString( ref.name ) );
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}
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}*/
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}
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ret += "\n}\n";
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}
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@ -1748,6 +1779,7 @@ int main(int argc, char *argv[])
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QString libPath( argv[ 2 ] );
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QString outName( argv[ 3 ] );
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qDebug() << "Loading dol...";
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if( !LoadDol( dolPath ) )
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{
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