1 files changed, 80 insertions, 0 deletions
diff --git a/debuginfo-tests/dexter/dex/debugger/dbgeng/probe_process.py b/debuginfo-tests/dexter/dex/debugger/dbgeng/probe_process.py
new file mode 100644
index 00000000000..8bd7f607081
--- /dev/null
+++ b/debuginfo-tests/dexter/dex/debugger/dbgeng/probe_process.py
@@ -0,0 +1,80 @@
+# DExTer : Debugging Experience Tester
+# ~~~~~~   ~         ~~         ~   ~~
+#
+# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+# See https://llvm.org/LICENSE.txt for license information.
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+
+import os
+
+from .utils import *
+
+class Frame(object):
+  def __init__(self, frame, idx, Symbols):
+    # Store some base information about the frame
+    self.ip = frame.InstructionOffset
+    self.scope_idx = idx
+    self.virtual = frame.Virtual
+    self.inline_frame_context = frame.InlineFrameContext
+    self.func_tbl_entry = frame.FuncTableEntry
+
+    # Fetch the module/symbol we're in, with displacement. Useful for debugging.
+    self.descr = Symbols.GetNearNameByOffset(self.ip)
+    split = self.descr.split('!')[0]
+    self.module = split[0]
+    self.symbol = split[1]
+
+    # Fetch symbol group for this scope.
+    prevscope = Symbols.GetCurrentScopeFrameIndex()
+    if Symbols.SetScopeFrameByIndex(idx):
+      symgroup = Symbols.GetScopeSymbolGroup2()
+      Symbols.SetScopeFrameByIndex(prevscope)
+      self.symgroup = symgroup
+    else:
+      self.symgroup = None
+
+    # Fetch the name according to the line-table, using inlining context.
+    name = Symbols.GetNameByInlineContext(self.ip, self.inline_frame_context)
+    self.function_name = name.split('!')[-1]
+
+    try:
+      tup = Symbols.GetLineByInlineContext(self.ip, self.inline_frame_context)
+      self.source_file, self.line_no = tup
+    except WinError as e:
+      # Fall back to trying to use a non-inlining-aware line number
+      # XXX - this is not inlining aware
+      sym = Symbols.GetLineByOffset(self.ip)
+      if sym is not None:
+        self.source_file, self.line_no = sym
+      else:
+        self.source_file = None
+        self.line_no = None
+        self.basename = None
+
+    if self.source_file is not None:
+      self.basename = os.path.basename(self.source_file)
+    else:
+      self.basename = None
+
+
+
+  def __str__(self):
+    return '{}:{}({}) {}'.format(self.basename, self.line, self.descr, self.function_name)
+
+def main_on_stack(Symbols, frames):
+  module_name = Symbols.get_exefile_module_name()
+  main_name = "{}!main".format(module_name)
+  for x in frames:
+    if main_name in x.descr: # Could be less hard coded...
+      return True
+  return False
+
+def probe_state(Client):
+  # Fetch the state of the program -- represented by the stack frames.
+  frames, numframes = Client.Control.GetStackTraceEx()
+
+  the_frames = [Frame(frames[x], x, Client.Symbols) for x in range(numframes)]
+  if not main_on_stack(Client.Symbols, the_frames):
+    return None
+
+  return the_frames