================
@@ -224,67 +311,68 @@ def
test_load_module_with_stripped_symbols_from_remote(self):
@skipIfAsan
@skipIfXmlSupportMissing
- def test_load_module_from_file(self):
- """Test connecting to a WebAssembly engine via GDB-remote and loading
a Wasm module from a file"""
+ def test_simple_wasm_debugging_session(self):
+ """Test connecting to a WebAssembly engine via GDB-remote, loading a
+ Wasm module with embedded DWARF symbols, setting a breakpoint and
+ checking the debuggee state"""
- yaml_path = "test_wasm_embedded_debug_sections.yaml"
- yaml_base, ext = os.path.splitext(yaml_path)
+ yaml_path = "simple.yaml"
+ yaml_base, _ = os.path.splitext(yaml_path)
obj_path = self.getBuildArtifact(yaml_base)
self.yaml2obj(yaml_path, obj_path)
- self.server.responder = MyResponder(obj_path)
+ # Create a fake call stack.
+ call_stacks = [
+ WasmCallStack(
+ [WasmStackFrame(0x019C), WasmStackFrame(0x01E5),
WasmStackFrame(0x01FE)]
+ ),
+ ]
+
+ # Create fake memory for our wasm locals.
+ self.memory = FakeMemory(0x10000, 0x20000)
+ self.memory.store_bytes(
+ WASM_LOCAL_ADDR,
+ bytes.fromhex(
+
"0000000000000000020000000100000000000000020000000100000000000000"
+ ),
+ )
+
+ self.server.responder = MyResponder(
+ obj_path, "test_wasm", call_stacks, self.memory
+ )
target = self.dbg.CreateTarget("")
+ breakpoint = target.BreakpointCreateByName("add")
process = self.connect(target, "wasm")
lldbutil.expect_state_changes(
self, self.dbg.GetListener(), process, [lldb.eStateStopped]
)
+ location = breakpoint.GetLocationAtIndex(0)
+ self.assertTrue(location and location.IsEnabled(),
VALID_BREAKPOINT_LOCATION)
+
num_modules = target.GetNumModules()
self.assertEqual(1, num_modules)
- module = target.GetModuleAtIndex(0)
- num_sections = module.GetNumSections()
- self.assertEqual(5, num_sections)
-
- code_section = module.GetSectionAtIndex(0)
- self.assertEqual("code", code_section.GetName())
- self.assertEqual(
- load_address | code_section.GetFileOffset(),
- code_section.GetLoadAddress(target),
- )
-
- debug_info_section = module.GetSectionAtIndex(1)
- self.assertEqual(".debug_info", debug_info_section.GetName())
- self.assertEqual(
- LLDB_INVALID_ADDRESS, debug_info_section.GetLoadAddress(target)
- )
-
- debug_abbrev_section = module.GetSectionAtIndex(2)
- self.assertEqual(".debug_abbrev", debug_abbrev_section.GetName())
- self.assertEqual(
- LLDB_INVALID_ADDRESS, debug_abbrev_section.GetLoadAddress(target)
- )
-
- debug_line_section = module.GetSectionAtIndex(3)
- self.assertEqual(".debug_line", debug_line_section.GetName())
- self.assertEqual(
- LLDB_INVALID_ADDRESS, debug_line_section.GetLoadAddress(target)
- )
-
- debug_str_section = module.GetSectionAtIndex(4)
- self.assertEqual(".debug_str", debug_str_section.GetName())
- self.assertEqual(
- LLDB_INVALID_ADDRESS, debug_line_section.GetLoadAddress(target)
- )
-
thread = process.GetThreadAtIndex(0)
self.assertTrue(thread.IsValid())
- frame = thread.GetFrameAtIndex(0)
- self.assertTrue(frame.IsValid())
- self.assertEqual(frame.GetPC(), 0x40000000000001B3)
-
- frame = thread.GetFrameAtIndex(1)
- self.assertTrue(frame.IsValid())
- self.assertEqual(frame.GetPC(), 0x40000000000001FE)
+ # Check that our frames match our fake call stack.
+ frame0 = thread.GetFrameAtIndex(0)
+ self.assertTrue(frame0.IsValid())
+ self.assertEqual(frame0.GetPC(), LOAD_ADDRESS | 0x019C)
+ self.assertIn("add", frame0.GetFunctionName())
+
+ frame1 = thread.GetFrameAtIndex(1)
+ self.assertTrue(frame1.IsValid())
+ self.assertEqual(frame1.GetPC(), LOAD_ADDRESS | 0x01E5)
+ self.assertIn("main", frame1.GetFunctionName())
+
+ # Check that we can resolve local variables.
----------------
DavidSpickett wrote:
I should have been more specific. I wondered if what you have implemented would
allow that and if so it should be tested. But if it's not possible then the
testing is fine.
Does seem like a glaring omission, but not a problem with anything you've done.
https://github.com/llvm/llvm-project/pull/151056
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