120 lines
4.5 KiB
Python
120 lines
4.5 KiB
Python
"""
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Test retrieval of SBAddress from function/symbol, disassembly, and SBAddress APIs.
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"""
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from __future__ import print_function
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import lldb
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from lldbsuite.test.decorators import *
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from lldbsuite.test.lldbtest import *
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from lldbsuite.test import lldbutil
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class DisasmAPITestCase(TestBase):
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mydir = TestBase.compute_mydir(__file__)
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def setUp(self):
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# Call super's setUp().
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TestBase.setUp(self)
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# Find the line number to of function 'c'.
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self.line1 = line_number(
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'main.c', '// Find the line number for breakpoint 1 here.')
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self.line2 = line_number(
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'main.c', '// Find the line number for breakpoint 2 here.')
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@add_test_categories(['pyapi'])
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@expectedFailureAll(oslist=["windows"], bugnumber='llvm.org/pr21765')
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def test(self):
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"""Exercise getting SBAddress objects, disassembly, and SBAddress APIs."""
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self.build()
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exe = self.getBuildArtifact("a.out")
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# Create a target by the debugger.
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target = self.dbg.CreateTarget(exe)
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self.assertTrue(target, VALID_TARGET)
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# Now create the two breakpoints inside function 'a'.
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breakpoint1 = target.BreakpointCreateByLocation('main.c', self.line1)
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breakpoint2 = target.BreakpointCreateByLocation('main.c', self.line2)
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self.trace("breakpoint1:", breakpoint1)
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self.trace("breakpoint2:", breakpoint2)
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self.assertTrue(breakpoint1 and
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breakpoint1.GetNumLocations() == 1,
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VALID_BREAKPOINT)
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self.assertTrue(breakpoint2 and
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breakpoint2.GetNumLocations() == 1,
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VALID_BREAKPOINT)
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# Now launch the process, and do not stop at entry point.
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process = target.LaunchSimple(
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None, None, self.get_process_working_directory())
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self.assertTrue(process, PROCESS_IS_VALID)
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# Frame #0 should be on self.line1.
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self.assertTrue(process.GetState() == lldb.eStateStopped)
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thread = lldbutil.get_stopped_thread(
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process, lldb.eStopReasonBreakpoint)
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self.assertTrue(
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thread.IsValid(),
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"There should be a thread stopped due to breakpoint condition")
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frame0 = thread.GetFrameAtIndex(0)
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lineEntry = frame0.GetLineEntry()
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self.assertTrue(lineEntry.GetLine() == self.line1)
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address1 = lineEntry.GetStartAddress()
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self.trace("address1:", address1)
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# Now call SBTarget.ResolveSymbolContextForAddress() with address1.
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context1 = target.ResolveSymbolContextForAddress(
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address1, lldb.eSymbolContextEverything)
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self.assertTrue(context1)
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if self.TraceOn():
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print("context1:", context1)
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# Continue the inferior, the breakpoint 2 should be hit.
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process.Continue()
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self.assertTrue(process.GetState() == lldb.eStateStopped)
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thread = lldbutil.get_stopped_thread(
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process, lldb.eStopReasonBreakpoint)
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self.assertTrue(
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thread.IsValid(),
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"There should be a thread stopped due to breakpoint condition")
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frame0 = thread.GetFrameAtIndex(0)
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lineEntry = frame0.GetLineEntry()
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self.assertTrue(lineEntry.GetLine() == self.line2)
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# Verify that the symbol and the function has the same address range
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# per function 'a'.
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symbol = context1.GetSymbol()
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function = frame0.GetFunction()
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self.assertTrue(symbol and function)
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disasm_output = lldbutil.disassemble(target, symbol)
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if self.TraceOn():
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print("symbol:", symbol)
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print("disassembly=>\n", disasm_output)
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disasm_output = lldbutil.disassemble(target, function)
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if self.TraceOn():
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print("function:", function)
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print("disassembly=>\n", disasm_output)
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sa1 = symbol.GetStartAddress()
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self.trace("sa1:", sa1)
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self.trace("sa1.GetFileAddress():", hex(sa1.GetFileAddress()))
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sa2 = function.GetStartAddress()
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self.trace("sa2:", sa2)
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self.trace("sa2.GetFileAddress():", hex(sa2.GetFileAddress()))
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self.assertTrue(sa1 and sa2 and sa1 == sa2,
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"The two starting addresses should be the same")
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from lldbsuite.test.lldbutil import get_description
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desc1 = get_description(sa1)
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desc2 = get_description(sa2)
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self.assertTrue(
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desc1 and desc2 and desc1 == desc2,
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"SBAddress.GetDescription() API of sa1 and sa2 should return the same string")
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