| private GetModuleByInnerAddress ( ulong address ) : Module | ||
| address | ulong | The address. |
| Результат | Module | |
/// <summary>
/// Initializes a new instance of the <see cref="StackFrame" /> class.
/// </summary>
/// <param name="stackTrace">The stack trace.</param>
/// <param name="frameContext">The frame context.</param>
internal StackFrame(StackTrace stackTrace, ThreadContext frameContext)
{
StackTrace = stackTrace;
FrameContext = frameContext;
sourceFileNameAndLine = SimpleCache.Create(ReadSourceFileNameAndLine);
functionNameAndDisplacement = SimpleCache.Create(ReadFunctionNameAndDisplacement);
locals = SimpleCache.Create(GetLocals);
arguments = SimpleCache.Create(GetArguments);
clrStackFrame = SimpleCache.Create(() => Thread.ClrThread?.GetClrStackFrame(InstructionOffset));
userTypeConvertedLocals = SimpleCache.Create(() =>
{
VariableCollection collection = Variable.CastVariableCollectionToUserType(locals.Value);
GlobalCache.UserTypeCastedVariableCollections.Add(userTypeConvertedLocals);
return(collection);
});
userTypeConvertedArguments = SimpleCache.Create(() =>
{
VariableCollection collection = Variable.CastVariableCollectionToUserType(arguments.Value);
GlobalCache.UserTypeCastedVariableCollections.Add(userTypeConvertedArguments);
return(collection);
});
module = SimpleCache.Create(() =>
{
var m = Process.GetModuleByInnerAddress(InstructionOffset);
if (m == null && ClrStackFrame != null)
{
m = Process.ClrModuleCache[ClrStackFrame.Module];
}
return(m);
});
}
/// <summary>
/// Resolves the function address if the specified address points to function type public symbol
/// or returns specified address otherwise.
/// </summary>
/// <param name="process">The process.</param>
/// <param name="address">The address.</param>
/// <returns>Resolved function address.</returns>
public static ulong ResolveFunctionAddress(Process process, ulong address)
{
bool rethrow = false;
try
{
if (Context.SymbolProvider.IsFunctionAddressPublicSymbol(process, address))
{
Module module = process.GetModuleByInnerAddress(address);
if (module != null && module.ClrModule == null)
{
const uint length = 5;
MemoryBuffer buffer = Debugger.ReadMemory(process, address, length);
byte jmpByte = UserType.ReadByte(buffer, 0);
uint relativeAddress = UserType.ReadUint(buffer, 1);
if (jmpByte != 0xe9)
{
rethrow = true;
throw new Exception("Unsupported jump instruction while resolving function address.");
}
return(address + relativeAddress + length);
}
}
}
catch
{
if (rethrow)
{
throw;
}
}
return(address);
}
