public ReadMemoryRH(ReadMemoryDelegate readMemory, byte[] buffer, UInt64 size, GDBSubProcess gdbProc)
: base(gdbProc)
{
_readMemory = readMemory;
_buffer = buffer;
//_size = size;
}
/// <summary>
/// Utils ctor.
/// </summary>
//public Utils() { }
/// <summary>
/// Load a string from memory. Load bytes until a 0 encountered or max bytes reached.
/// </summary>
/// <param name="rm">function to use to read a byte</param>
/// <param name="address">address to start reading</param>
/// <param name="maxSize">max bytes to read</param>
/// <returns></returns>
public static string loadStringFromMemory(ReadMemoryDelegate readMemoryDelegate, uint address, uint maxSize)
{
StringBuilder str = new StringBuilder();
uint bytesLeft = maxSize;
try
{
uint data;
do
{
data = readMemoryDelegate(address++, ARMPluginInterfaces.MemorySize.Byte);
if (data == 0)
{
break;
}
str.Append((char)data);
} while (--bytesLeft > 0);
}//try
catch (Exception ex)
{
ARMPluginInterfaces.Utils.OutputDebugString("Error while reading string from memory:" + ex.Message);
str.Length = 0;
} //catch
return(str.ToString());
} //loadStringFromMemory
public TargetStream(IntPtr address, int size, ReadMemoryDelegate readMemory)
: base()
{
_address = address;
_readMemory = readMemory;
Length = size;
Position = 0;
}
public TargetStream(IntPtr address, int size, ReadMemoryDelegate readMemory)
: base()
{
_address = address;
_readMemory = readMemory;
Length = size;
Position = 0;
}
/// <summary>
/// Checks availability of debugging information for given assembly.
/// </summary>
/// <param name="assemblyPath">
/// File path of the assembly or null if the module is in-memory or dynamic (generated by Reflection.Emit)
/// </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>
internal static IntPtr LoadSymbolsForModule(string assemblyPath, bool isFileLayout, IntPtr loadedPeAddress, int loadedPeSize,
IntPtr inMemoryPdbAddress, int inMemoryPdbSize, ReadMemoryDelegate readMemory)
{
try
{
TargetStream peStream = null;
if (assemblyPath == null && loadedPeAddress != IntPtr.Zero)
{
peStream = new TargetStream(loadedPeAddress, loadedPeSize, readMemory);
}
TargetStream pdbStream = null;
if (inMemoryPdbAddress != IntPtr.Zero)
{
pdbStream = new TargetStream(inMemoryPdbAddress, inMemoryPdbSize, readMemory);
}
OpenedReader openedReader = GetReader(assemblyPath, isFileLayout, peStream, pdbStream);
if (openedReader != null)
{
GCHandle gch = GCHandle.Alloc(openedReader);
return(GCHandle.ToIntPtr(gch));
}
}
catch
{
}
return(IntPtr.Zero);
}
/// <summary>
/// Load native symbols and modules (i.e. dac, dbi).
/// </summary>
/// <param name="callback">called back for each symbol file loaded</param>
/// <param name="parameter">callback parameter</param>
/// <param name="moduleDirectory">module path</param>
/// <param name="moduleFileName">module file name</param>
/// <param name="address">module base address</param>
/// <param name="size">module size</param>
/// <param name="readMemory">read memory callback delegate</param>
internal static void LoadNativeSymbols(SymbolFileCallback callback, IntPtr parameter, string tempDirectory, string moduleDirectory, string moduleFileName,
ulong address, int size, ReadMemoryDelegate readMemory)
{
if (s_symbolStore != null)
{
Debug.Assert(s_tracer != null);
string path = Path.Combine(moduleDirectory, moduleFileName);
Stream stream = new TargetStream(address, size, readMemory);
KeyTypeFlags flags = KeyTypeFlags.SymbolKey | KeyTypeFlags.ClrKeys;
KeyGenerator generator = null;
if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
{
var elfFile = new ELFFile(new StreamAddressSpace(stream), 0, true);
generator = new ELFFileKeyGenerator(s_tracer, elfFile, path);
}
else if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
{
var machOFile = new MachOFile(new StreamAddressSpace(stream), 0, true);
generator = new MachOFileKeyGenerator(s_tracer, machOFile, path);
}
else
{
return;
}
try
{
IEnumerable <SymbolStoreKey> keys = generator.GetKeys(flags);
foreach (SymbolStoreKey key in keys)
{
string symbolFileName = Path.GetFileName(key.FullPathName);
s_tracer.Verbose("{0} {1}", key.FullPathName, key.Index);
// Don't download the sos binaries that come with the runtime
if (symbolFileName != "SOS.NETCore.dll" && !symbolFileName.StartsWith("libsos."))
{
using (SymbolStoreFile file = GetSymbolStoreFile(key))
{
if (file != null)
{
try
{
string downloadFileName = file.FileName;
// If the downloaded doesn't already exists on disk in the cache, then write it to a temporary location.
if (!File.Exists(downloadFileName))
{
downloadFileName = Path.Combine(tempDirectory, symbolFileName);
using (Stream destinationStream = File.OpenWrite(downloadFileName)) {
file.Stream.CopyTo(destinationStream);
}
s_tracer.WriteLine("Downloaded symbol file {0}", key.FullPathName);
}
s_tracer.Information("{0}: {1}", symbolFileName, downloadFileName);
callback(parameter, symbolFileName, downloadFileName);
}
catch (Exception ex) when(ex is UnauthorizedAccessException || ex is DirectoryNotFoundException)
{
s_tracer.Error("{0}", ex.Message);
}
}
}
}
}
}
catch (Exception ex) when(ex is BadInputFormatException || ex is InvalidVirtualAddressException)
{
s_tracer.Error("Exception: {0}/{1}: {2:X16}", moduleDirectory, moduleFileName, address);
}
}
}
/// <summary>
/// Checks availability of debugging information for given assembly.
/// </summary>
/// <param name="assemblyPath">
/// File path of the assembly or null if the module is in-memory or dynamic (generated by Reflection.Emit)
/// </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>
internal static IntPtr LoadSymbolsForModule(string assemblyPath, bool isFileLayout, IntPtr loadedPeAddress, int loadedPeSize,
IntPtr inMemoryPdbAddress, int inMemoryPdbSize, ReadMemoryDelegate readMemory)
{
try
{
TargetStream peStream = null;
if (assemblyPath == null && loadedPeAddress != IntPtr.Zero)
{
peStream = new TargetStream(loadedPeAddress, loadedPeSize, readMemory);
}
TargetStream pdbStream = null;
if (inMemoryPdbAddress != IntPtr.Zero)
{
pdbStream = new TargetStream(inMemoryPdbAddress, inMemoryPdbSize, readMemory);
}
OpenedReader openedReader = GetReader(assemblyPath, isFileLayout, peStream, pdbStream);
if (openedReader != null)
{
GCHandle gch = GCHandle.Alloc(openedReader);
return GCHandle.ToIntPtr(gch);
}
}
catch
{
}
return IntPtr.Zero;
}
public MemoryCache(ReadMemoryDelegate readMemory)
{
_map = new Dictionary <ulong, Cluster>();
_readMemory = readMemory;
}
/// <summary>
/// Load native symbols and modules (i.e. dac, dbi).
/// </summary>
/// <param name="callback">called back for each symbol file loaded</param>
/// <param name="parameter">callback parameter</param>
/// <param name="tempDirectory">temp directory unique to this instance of SOS</param>
/// <param name="moduleFilePath">module path</param>
/// <param name="address">module base address</param>
/// <param name="size">module size</param>
/// <param name="readMemory">read memory callback delegate</param>
public static void LoadNativeSymbols(SymbolFileCallback callback, IntPtr parameter, string tempDirectory, string moduleFilePath, ulong address, int size, ReadMemoryDelegate readMemory)
{
if (IsSymbolStoreEnabled())
{
Debug.Assert(s_tracer != null);
Stream stream = new TargetStream(address, size, readMemory);
KeyTypeFlags flags = KeyTypeFlags.SymbolKey | KeyTypeFlags.ClrKeys;
KeyGenerator generator = null;
if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
{
var elfFile = new ELFFile(new StreamAddressSpace(stream), 0, true);
generator = new ELFFileKeyGenerator(s_tracer, elfFile, moduleFilePath);
}
else if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
{
var machOFile = new MachOFile(new StreamAddressSpace(stream), 0, true);
generator = new MachOFileKeyGenerator(s_tracer, machOFile, moduleFilePath);
}
else
{
return;
}
try
{
IEnumerable <SymbolStoreKey> keys = generator.GetKeys(flags);
foreach (SymbolStoreKey key in keys)
{
string moduleFileName = Path.GetFileName(key.FullPathName);
s_tracer.Verbose("{0} {1}", key.FullPathName, key.Index);
// Don't download the sos binaries that come with the runtime
if (moduleFileName != "SOS.NETCore.dll" && !moduleFileName.StartsWith("libsos."))
{
string downloadFilePath = GetSymbolFile(key, tempDirectory);
if (downloadFilePath != null)
{
s_tracer.Information("{0}: {1}", moduleFileName, downloadFilePath);
callback(parameter, moduleFileName, downloadFilePath);
}
}
}
}
catch (Exception ex) when(ex is BadInputFormatException || ex is InvalidVirtualAddressException)
{
s_tracer.Error("{0}/{1:X16}: {2}", moduleFilePath, address, ex.Message);
}
}
}
