From ae6bc129ef362ce2ef7c9ec3865461ab3e9432d2 Mon Sep 17 00:00:00 2001 From: Tim Newsome Date: Thu, 7 Jul 2022 10:55:25 -0700 Subject: Check basic debugging still works in CeaseMulti --- debug/gdbserver.py | 24 ++++++++++++++++++------ 1 file changed, 18 insertions(+), 6 deletions(-) diff --git a/debug/gdbserver.py b/debug/gdbserver.py index 3cb7f32..8f72b35 100755 --- a/debug/gdbserver.py +++ b/debug/gdbserver.py @@ -1845,9 +1845,11 @@ class CeaseRunSingleTest(ProgramTest): except CouldNotReadRegisters: pass -class CeaseMultiTest(ProgramTest): +class CeaseMultiTest(GdbTest): """Test that we work correctly when a hart ceases to respond (e.g. because it's powered down).""" + compile_args = ("programs/counting_loop.c", "-DDEFINE_MALLOC", + "-DDEFINE_FREE") def early_applicable(self): return self.hart.support_cease and len(self.target.harts) > 1 @@ -1859,22 +1861,32 @@ class CeaseMultiTest(ProgramTest): def test(self): # Run all the way to the infinite loop in exit self.gdb.c(wait=False) - self.gdb.expect(r"Hart became unavailable.") + self.gdb.expect(r"became unavailable.") self.gdb.interrupt() for hart in self.target.harts: - # Try to read the PC on the ceased harts + # Try to select the ceased harts. if hart != self.hart: - self.gdb.select_hart(hart) try: - self.gdb.p("$misa") + self.gdb.select_hart(hart) assert False, "Shouldn't be able " \ "to access unavailable hart." - except (testlib.CouldNotFetch, testlib.CouldNotReadRegisters): + except testlib.UnknownThread: pass + # Check that the main hart can still be debugged. self.gdb.select_hart(self.hart) + main_addr = self.gdb.p("$pc=main") self.gdb.stepi() + # Assume the first instruction of main is not a jump. + pc = self.gdb.p("$pc") + assertGreater(pc, main_addr) + assertLess(pc, main_addr + 8) + + self.gdb.p("$pc=_start") + self.gdb.stepi() #<<< + self.gdb.stepi() #<<< + self.exit() class FreeRtosTest(GdbTest): def early_applicable(self): -- cgit v1.1