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[0.2.x] added : disasm::findOffset method ( Return the location of a processor instruction relative to a given location )

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[0.2.x] added : disasm::jump method ( Change the current instruction  )
[0.2.x] added : disasm::jumprel method ( Change the current instruction  )

git-svn-id: https://pykd.svn.codeplex.com/svn@82501 9b283d60-5439-405e-af05-b73fd8c4d996
This commit is contained in:
SND\kernelnet_cp 2013-01-30 06:41:09 +00:00 committed by Mikhail I. Izmestev
parent 78f733fb2d
commit f5ee8b9a9a
5 changed files with 36 additions and 1 deletions
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6
pykd/disasm.cpp
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@ -50,4 +50,10 @@ Disasm::assembly( const std::string &instr )
/////////////////////////////////////////////////////////////////////////////////
ULONG64 Disasm::getNearInstruction( LONG delta ) {
return pykd::getNearInstruction( m_currentOffset, delta );
}
/////////////////////////////////////////////////////////////////////////////////
}; // end pykd namespace

8
pykd/disasm.h
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@ -23,6 +23,14 @@ public:
return disassemble();
}
std::string jumprel(LONG delta) {
m_currentOffset = getNearInstruction(delta);
doDisasm();
return disassemble();
}
ULONG64 getNearInstruction( LONG delta );
std::string reset() {
m_currentOffset = m_beginOffset;
doDisasm();

1
pykd/disasmengine.h
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@ -4,5 +4,6 @@ namespace pykd {
void disasmAssemblay( ULONG64 offset, const std::string &instruction, ULONG64 &nextOffset );
void disasmDisassembly( ULONG64 offset, std::string &instruction, ULONG64 &nextOffset, ULONG64 &ea );
ULONG64 getNearInstruction( ULONG64 offset, LONG delta );
} // end pykd namespace

6
pykd/python/pymod.cpp
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@ -563,7 +563,11 @@ BOOST_PYTHON_MODULE( pykd )
.def( "length", &Disasm::length, "Return current instruction length" )
.def( "instruction", &Disasm::instruction, "Returm current disassembled instruction" )
.def( "ea", &Disasm::ea, "Return effective address for last disassembled instruction or 0" )
.def( "reset", &Disasm::reset, "Reset current offset to begin" );
.def( "reset", &Disasm::reset, "Reset current offset to begin" )
.def( "findOffset", &Disasm::getNearInstruction, "Return the location of a processor instruction relative to a given location" )
.def( "jump", &Disasm::jump, "Change current instruction" )
.def( "jumprel", &Disasm::jumprel, "Change current instruction" );
python::enum_<DEBUG_CALLBACK_RESULT>("eventResult", "Return value of event handler")
.value("Proceed", DebugCallbackProceed)

16
pykd/win/dbgasm.cpp
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@ -49,4 +49,20 @@ void disasmDisassembly( ULONG64 offset, std::string &instruction, ULONG64 &nextO
///////////////////////////////////////////////////////////////////////////////
ULONG64 getNearInstruction( ULONG64 offset, LONG delta )
{
PyThread_StateRestore pyThreadRestore( g_dbgEng->pystate );
HRESULT hres;
ULONG64 nearOffset;
hres = g_dbgEng->control->GetNearInstruction( offset, delta, &nearOffset );
if ( FAILED( hres ) )
throw DbgException( "IDebugControl::GetNearInstruction", hres );
return nearOffset;
}
///////////////////////////////////////////////////////////////////////////////
} // end pykd namespace