================
@@ -0,0 +1,63 @@
+"""
+Test the memory commands operating on memory regions with holes
+"""
+
+import lldb
+from lldbsuite.test.lldbtest import *
+import lldbsuite.test.lldbutil as lldbutil
+from lldbsuite.test.decorators import *
+
+
+class MemoryHolesTestCase(TestBase):
+ NO_DEBUG_INFO_TESTCASE = True
+
+ def setUp(self):
+ super().setUp()
+ # Find the line number to break inside main().
+ self.line = line_number("main.cpp", "// break here")
+
+ def _prepare_inferior(self):
+ self.build()
+ exe = self.getBuildArtifact("a.out")
+ self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
+
+ # Break in main() after the variables are assigned values.
+ lldbutil.run_break_set_by_file_and_line(
+ self, "main.cpp", self.line, num_expected_locations=1,
loc_exact=True
+ )
+
+ self.runCmd("run", RUN_SUCCEEDED)
+
+ # The stop reason of the thread should be breakpoint.
+ self.expect(
+ "thread list",
+ STOPPED_DUE_TO_BREAKPOINT,
+ substrs=["stopped", "stop reason = breakpoint"],
+ )
+
+ # The breakpoint should have a hit count of 1.
+ lldbutil.check_breakpoint(self, bpno=1, expected_hit_count=1)
+
+ # Avoid the expression evaluator, as it can allocate allocate memory
+ # inside the holes we've deliberately left empty.
+ self.memory =
self.frame().FindVariable("mem_with_holes").GetValueAsUnsigned()
+ self.pagesize =
self.frame().FindVariable("pagesize").GetValueAsUnsigned()
+ positions = self.frame().FindVariable("positions")
+ self.positions = [
+ positions.GetChildAtIndex(i).GetValueAsUnsigned()
+ for i in range(positions.GetNumChildren())
+ ]
+ self.assertEqual(len(self.positions), 5)
+
+ @expectedFailureWindows
+ def test_memory_read(self):
----------------
DavidSpickett wrote:
To be clear, this test is not expecting memory read to skip over a hole. Merely
handle there being a failure to read, correct?
Later changes (in your other PRs I think) will add memory find, which does have
to know to jump over the holes.
https://github.com/llvm/llvm-project/pull/106532
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