/// <summary>
/// Checks availability of debugging information for given assembly.
/// </summary>
/// <param name="assemblyPath">
/// File path of the assembly or null
/// </param>
/// <param name="isFileLayout">type of in-memory PE layout, if true, file based layout otherwise, loaded layout</param>
/// <param name="loadedPeAddress">
/// Loaded PE image address or zero if the module is dynamic (generated by Reflection.Emit).
/// Dynamic modules have their PDBs (if any) generated to an in-memory stream
/// (pointed to by <paramref name="inMemoryPdbAddress"/> and <paramref name="inMemoryPdbSize"/>).
/// </param>
/// <param name="loadedPeSize">loaded PE image size</param>
/// <param name="inMemoryPdbAddress">in memory PDB address or zero</param>
/// <param name="inMemoryPdbSize">in memory PDB size</param>
/// <returns>Symbol reader handle or zero if error</returns>
private IntPtr LoadSymbolsForModule(
IntPtr self,
string assemblyPath,
bool isFileLayout,
ulong loadedPeAddress,
uint loadedPeSize,
ulong inMemoryPdbAddress,
uint inMemoryPdbSize)
{
try
{
ISymbolFile symbolFile = null;
if (loadedPeAddress != 0)
{
Stream peStream = _memoryService.CreateMemoryStream(loadedPeAddress, loadedPeSize);
symbolFile = _symbolService.OpenSymbolFile(assemblyPath, isFileLayout, peStream);
}
if (inMemoryPdbAddress != 0)
{
Stream pdbStream = _memoryService.CreateMemoryStream(inMemoryPdbAddress, inMemoryPdbSize);
symbolFile = _symbolService.OpenSymbolFile(pdbStream);
}
if (symbolFile != null)
{
GCHandle gch = GCHandle.Alloc(symbolFile);
return(GCHandle.ToIntPtr(gch));
}
}
catch (Exception ex)
{
Trace.TraceError($"LoadSymbolsForModule: {ex.Message}");
}
return(IntPtr.Zero);
}
