private bool AnalyzePointerFromImages(out PointerInfo info, ulong address)
{
info = default;
Image image = GetImage(address, out int imageIndex);
if (image == null)
{
// Value isn't a pointer to a known image...
return(false);
}
info.Offset = address - image.BaseAddress;
// Try to find what this pointer is referring to
if (TryGetSubName(image, address, out ElfSymbol symbol))
{
info.SubName = symbol.Name;
// Demangle string if possible
if (info.SubName.StartsWith("_Z"))
{
info.SubName = Demangler.Parse(info.SubName);
}
info.SubOffset = info.Offset - symbol.Value;
}
else
{
info.SubName = "";
}
info.ImageName = GetGuessedNsoNameFromIndex(imageIndex);
return(true);
}
public void PrintGuestStackTrace(CpuThreadState threadState)
{
EnsureLoaded();
StringBuilder trace = new StringBuilder();
trace.AppendLine("Guest stack trace:");
void AppendTrace(long address)
{
Image image = GetImage(address, out int imageIndex);
if (image == null || !TryGetSubName(image, address, out string subName))
{
subName = $"Sub{address:x16}";
}
else if (subName.StartsWith("_Z"))
{
subName = Demangler.Parse(subName);
}
if (image != null)
{
long offset = address - image.BaseAddress;
string imageName = GetGuessedNsoNameFromIndex(imageIndex);
string imageNameAndOffset = $"[{_owner.Name}] {imageName}:0x{offset:x8}";
trace.AppendLine($" {imageNameAndOffset} {subName}");
}
else
{
trace.AppendLine($" [{_owner.Name}] ??? {subName}");
}
}
//TODO: ARM32.
long framePointer = (long)threadState.X29;
while (framePointer != 0)
{
if ((framePointer & 7) != 0 ||
!_owner.CpuMemory.IsMapped(framePointer) ||
!_owner.CpuMemory.IsMapped(framePointer + 8))
{
break;
}
//Note: This is the return address, we need to subtract one instruction
//worth of bytes to get the branch instruction address.
AppendTrace(_owner.CpuMemory.ReadInt64(framePointer + 8) - 4);
framePointer = _owner.CpuMemory.ReadInt64(framePointer);
}
Logger.PrintInfo(LogClass.Cpu, trace.ToString());
}
public void PrintGuestStackTrace(CpuThreadState ThreadState)
{
EnsureLoaded();
StringBuilder Trace = new StringBuilder();
Trace.AppendLine("Guest stack trace:");
void AppendTrace(long Address)
{
Image Image = GetImage(Address, out int ImageIndex);
if (Image == null || !TryGetSubName(Image, Address, out string SubName))
{
SubName = $"Sub{Address:x16}";
}
else if (SubName.StartsWith("_Z"))
{
SubName = Demangler.Parse(SubName);
}
if (Image != null)
{
long Offset = Address - Image.BaseAddress;
string ImageName = GetGuessedNsoNameFromIndex(ImageIndex);
string ImageNameAndOffset = $"[{Owner.Name}] {ImageName}:0x{Offset:x8}";
Trace.AppendLine($" {ImageNameAndOffset} {SubName}");
}
else
{
Trace.AppendLine($" [{Owner.Name}] ??? {SubName}");
}
}
long FramePointer = (long)ThreadState.X29;
while (FramePointer != 0)
{
if ((FramePointer & 7) != 0 ||
!Owner.CpuMemory.IsMapped(FramePointer) ||
!Owner.CpuMemory.IsMapped(FramePointer + 8))
{
break;
}
//Note: This is the return address, we need to subtract one instruction
//worth of bytes to get the branch instruction address.
AppendTrace(Owner.CpuMemory.ReadInt64(FramePointer + 8) - 4);
FramePointer = Owner.CpuMemory.ReadInt64(FramePointer);
}
Logger.PrintInfo(LogClass.Cpu, Trace.ToString());
}
public string GetGuestStackTrace(ARMeilleure.State.ExecutionContext context)
{
EnsureLoaded();
StringBuilder trace = new StringBuilder();
void AppendTrace(long address)
{
Image image = GetImage(address, out int imageIndex);
if (image == null || !TryGetSubName(image, address, out string subName))
{
subName = $"Sub{address:x16}";
}
else if (subName.StartsWith("_Z"))
{
subName = Demangler.Parse(subName);
}
if (image != null)
{
long offset = address - image.BaseAddress;
string imageName = GetGuessedNsoNameFromIndex(imageIndex);
trace.AppendLine($" {imageName}:0x{offset:x8} {subName}");
}
else
{
trace.AppendLine($" ??? {subName}");
}
}
// TODO: ARM32.
long framePointer = (long)context.GetX(29);
trace.AppendLine($"Process: {_owner.Name}, PID: {_owner.Pid}");
while (framePointer != 0)
{
if ((framePointer & 7) != 0 ||
!_owner.CpuMemory.IsMapped(framePointer) ||
!_owner.CpuMemory.IsMapped(framePointer + 8))
{
break;
}
// Note: This is the return address, we need to subtract one instruction
// worth of bytes to get the branch instruction address.
AppendTrace(_owner.CpuMemory.ReadInt64(framePointer + 8) - 4);
framePointer = _owner.CpuMemory.ReadInt64(framePointer);
}
return(trace.ToString());
}
public void PrintStackTrace(AThreadState ThreadState)
{
StringBuilder Trace = new StringBuilder();
Trace.AppendLine("Guest stack trace:");
void AppendTrace(long Position)
{
Executable Exe = GetExecutable(Position);
if (Exe == null)
{
return;
}
if (!TryGetSubName(Exe, Position, out string SubName))
{
SubName = $"Sub{Position:x16}";
}
else if (SubName.StartsWith("_Z"))
{
SubName = Demangler.Parse(SubName);
}
long Offset = Position - Exe.ImageBase;
string ExeNameWithAddr = $"{Exe.Name}:0x{Offset:x8}";
Trace.AppendLine(" " + ExeNameWithAddr + " " + SubName);
}
long FramePointer = (long)ThreadState.X29;
while (FramePointer != 0)
{
AppendTrace(Memory.ReadInt64(FramePointer + 8));
FramePointer = Memory.ReadInt64(FramePointer);
}
Logger.PrintInfo(LogClass.Cpu, Trace.ToString());
}
public void PrintStackTrace(AThreadState ThreadState)
{
long[] Positions = ThreadState.GetCallStack();
StringBuilder Trace = new StringBuilder();
Trace.AppendLine("Guest stack trace:");
foreach (long Position in Positions)
{
if (!SymbolTable.TryGetValue(Position, out string SubName))
{
SubName = $"Sub{Position:x16}";
}
else if (SubName.StartsWith("_Z"))
{
SubName = Demangler.Parse(SubName);
}
Trace.AppendLine(" " + SubName + " (" + GetNsoNameAndAddress(Position) + ")");
}
Device.Log.PrintInfo(LogClass.Cpu, Trace.ToString());
}
public string GetGuestStackTrace(ARMeilleure.State.ExecutionContext context)
{
EnsureLoaded();
StringBuilder trace = new StringBuilder();
void AppendTrace(ulong address)
{
Image image = GetImage(address, out int imageIndex);
if (image == null || !TryGetSubName(image, address, out string subName))
{
subName = $"Sub{address:x16}";
}
else if (subName.StartsWith("_Z"))
{
subName = Demangler.Parse(subName);
}
if (image != null)
{
ulong offset = address - image.BaseAddress;
string imageName = GetGuessedNsoNameFromIndex(imageIndex);
trace.AppendLine($" {imageName}:0x{offset:x8} {subName}");
}
else
{
trace.AppendLine($" ??? {subName}");
}
}
trace.AppendLine($"Process: {_owner.Name}, PID: {_owner.Pid}");
if (context.IsAarch32)
{
ulong framePointer = context.GetX(11);
while (framePointer != 0)
{
if ((framePointer & 3) != 0 ||
!_owner.CpuMemory.IsMapped(framePointer) ||
!_owner.CpuMemory.IsMapped(framePointer + 4))
{
break;
}
AppendTrace(_owner.CpuMemory.Read <uint>(framePointer + 4));
framePointer = _owner.CpuMemory.Read <uint>(framePointer);
}
}
else
{
ulong framePointer = context.GetX(29);
while (framePointer != 0)
{
if ((framePointer & 7) != 0 ||
!_owner.CpuMemory.IsMapped(framePointer) ||
!_owner.CpuMemory.IsMapped(framePointer + 8))
{
break;
}
AppendTrace(_owner.CpuMemory.Read <ulong>(framePointer + 8));
framePointer = _owner.CpuMemory.Read <ulong>(framePointer);
}
}
return(trace.ToString());
}