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-rw-r--r--packages/Python/lldbsuite/test/functionalities/breakpoint/breakpoint_in_delayslot/TestAvoidBreakpointInDelaySlot.py84
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diff --git a/packages/Python/lldbsuite/test/functionalities/breakpoint/breakpoint_in_delayslot/TestAvoidBreakpointInDelaySlot.py b/packages/Python/lldbsuite/test/functionalities/breakpoint/breakpoint_in_delayslot/TestAvoidBreakpointInDelaySlot.py
new file mode 100644
index 000000000000..324401ff44e1
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+++ b/packages/Python/lldbsuite/test/functionalities/breakpoint/breakpoint_in_delayslot/TestAvoidBreakpointInDelaySlot.py
@@ -0,0 +1,84 @@
+"""
+Test specific to MIPS
+"""
+
+from __future__ import print_function
+
+import os, time
+import re
+import unittest2
+import lldb
+import lldbsuite.test.lldbutil as lldbutil
+from lldbsuite.test.lldbtest import *
+
+class AvoidBreakpointInDelaySlotAPITestCase(TestBase):
+
+ mydir = TestBase.compute_mydir(__file__)
+
+ @skipUnlessArch(archs=re.compile('mips*'))
+ def test(self):
+ self.build()
+ exe = os.path.join(os.getcwd(), "a.out")
+ self.expect("file " + exe,
+ patterns = [ "Current executable set to .*a.out.*" ])
+
+ # Create a target by the debugger.
+ target = self.dbg.CreateTarget(exe)
+ self.assertTrue(target, VALID_TARGET)
+
+ breakpoint = target.BreakpointCreateByName('main', 'a.out')
+ self.assertTrue(breakpoint and
+ breakpoint.GetNumLocations() == 1,
+ VALID_BREAKPOINT)
+
+ # Now launch the process, and do not stop at entry point.
+ process = target.LaunchSimple (None, None, self.get_process_working_directory())
+ self.assertTrue(process, PROCESS_IS_VALID)
+
+ list = target.FindFunctions('foo', lldb.eFunctionNameTypeAuto)
+ self.assertTrue(list.GetSize() == 1)
+ sc = list.GetContextAtIndex(0)
+ self.assertTrue(sc.GetSymbol().GetName() == "foo")
+ function = sc.GetFunction()
+ self.assertTrue(function)
+ self.function(function, target)
+
+ def function (self, function, target):
+ """Iterate over instructions in function and place a breakpoint on delay slot instruction"""
+ # Get the list of all instructions in the function
+ insts = function.GetInstructions(target)
+ print(insts)
+ i = 0
+ for inst in insts:
+ if (inst.HasDelaySlot()):
+ # Remember the address of branch instruction.
+ branchinstaddress = inst.GetAddress().GetLoadAddress(target)
+
+ # Get next instruction i.e delay slot instruction.
+ delayinst = insts.GetInstructionAtIndex(i+1)
+ delayinstaddr = delayinst.GetAddress().GetLoadAddress(target)
+
+ # Set breakpoint on delay slot instruction
+ breakpoint = target.BreakpointCreateByAddress(delayinstaddr)
+
+ # Verify the breakpoint.
+ self.assertTrue(breakpoint and
+ breakpoint.GetNumLocations() == 1,
+ VALID_BREAKPOINT)
+ # Get the location from breakpoint
+ location = breakpoint.GetLocationAtIndex(0)
+
+ # Get the address where breakpoint is actually set.
+ bpaddr = location.GetLoadAddress()
+
+ # Breakpoint address should be adjusted to the address of branch instruction.
+ self.assertTrue(branchinstaddress == bpaddr)
+ i += 1
+ else:
+ i += 1
+
+if __name__ == '__main__':
+ import atexit
+ lldb.SBDebugger.Initialize()
+ atexit.register(lambda: lldb.SBDebugger.Terminate())
+ unittest2.main()