internal static void enter_try(void *eh, void *fp)
{
if (eh == PeekEhdr())
{
System.Diagnostics.Debugger.Log(0, "libsupcs", "enter_try: recursive try block found from calling_pc: " +
((ulong)OtherOperations.GetUnwinder().UnwindOne().GetInstructionPointer()).ToString("X"));
}
PushEhdr(eh, fp);
}
internal static void leave_try(void *eh)
{
void *fp = PopFramePointer();
void *popped = PopEhdr();
if (eh != popped)
{
System.Diagnostics.Debugger.Log(0, "libsupcs", "leave_try: popping incorrect exception header");
System.Diagnostics.Debugger.Log(0, "libsupcs", "expected: " + ((ulong)eh).ToString("X"));
System.Diagnostics.Debugger.Log(0, "libsupcs", "got: " + ((ulong)popped).ToString("X") + ", fp: " + ((ulong)fp).ToString("X"));
System.Diagnostics.Debugger.Log(0, "libsupcs", "start: " + ((ulong)start).ToString("X"));
System.Diagnostics.Debugger.Log(0, "libsupcs", "end: " + ((ulong)end).ToString("X"));
System.Diagnostics.Debugger.Log(0, "libsupcs", "cur: " + ((ulong)cur).ToString("X"));
System.Diagnostics.Debugger.Log(0, "libsupcs", "calling_pc: " + ((ulong)OtherOperations.GetUnwinder().UnwindOne().GetInstructionPointer()).ToString("X"));
while (true)
{
;
}
}
void **ehdr = (void **)eh;
int eh_type = *(int *)ehdr;
if (eh_type == 2)
{
// handle finally clause
void *handler = *(ehdr + 1);
OtherOperations.CallI(fp, handler);
PopFramePointer();
PopEhdr();
}
}
static void GetExecutingAssembly(StackCrawlMarkHandle scmh, TysosModule.ObjectHandleOnStack ret)
{
int scm = *(int *)scmh.ptr;
System.Diagnostics.Debugger.Log(0, "libsupcs", "TysosAssembly.GetExecutingAssembly: scm: " + scm.ToString());
Unwinder u = OtherOperations.GetUnwinder();
u.UnwindOne();
u.UnwindOne(); // we are double-nested within coreclr so unwind this and calling method (GetExecutingAssembly(ref StackMarkHandle)) first
switch (scm)
{
case 0:
break;
case 1:
u.UnwindOne();
break;
case 2:
u.UnwindOne();
u.UnwindOne();
break;
default:
System.Diagnostics.Debugger.Log(0, "libsupcs", "TysosAssembly.GetExecutingAssembly: unsupported scm: " + scm.ToString());
throw new NotSupportedException();
}
System.Diagnostics.Debugger.Log(0, "libsupcs", "TysosAssembly.GetExecutingAssembly: requested pc " + ((ulong)u.GetInstructionPointer()).ToString("X"));
void *offset;
var name = JitOperations.GetNameOfAddress((void *)u.GetInstructionPointer(), out offset);
if (name == null)
{
System.Diagnostics.Debugger.Log(0, "libsupcs", "TysosAssembly.GetExecutingAssembly: symbol not found");
*ret.ptr = null;
return;
}
System.Diagnostics.Debugger.Log(0, "libsupcs", "TysosAssembly.GetExecutingAssembly: found method " + name);
var ts = Metadata.MSCorlib.DemangleObject(name);
if (ts == null)
{
System.Diagnostics.Debugger.Log(0, "libsupcs", "TysosAssembly.GetExecutingAssembly: demangler returned null");
*ret.ptr = null;
return;
}
var m = ts.Metadata;
if (m == null)
{
System.Diagnostics.Debugger.Log(0, "libsupcs", "TysosAssembly.GetExecutingAssembly: returned ts had no assembly");
*ret.ptr = null;
return;
}
var aptr = (m.file as Metadata.BinaryInterface).b;
var retm = TysosModule.GetModule(aptr, m.AssemblyName);
System.Diagnostics.Debugger.Log(0, "libsupcs", "TysosAssembly.GetExecutingAssembly: returning " + retm.ass.assemblyName);
*ret.ptr = CastOperations.ReinterpretAsPointer(retm.ass);
}