| """ |
| Test retrieval of SBAddress from function/symbol, disassembly, and SBAddress APIs. |
| """ |
| |
| from __future__ import print_function |
| |
| |
| import os |
| import time |
| import re |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| class DisasmAPITestCase(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| def setUp(self): |
| # Call super's setUp(). |
| TestBase.setUp(self) |
| # Find the line number to of function 'c'. |
| self.line1 = line_number( |
| 'main.c', '// Find the line number for breakpoint 1 here.') |
| self.line2 = line_number( |
| 'main.c', '// Find the line number for breakpoint 2 here.') |
| |
| @add_test_categories(['pyapi']) |
| @expectedFailureAll(oslist=["windows"], bugnumber='llvm.org/pr21765') |
| def test(self): |
| """Exercise getting SBAddress objects, disassembly, and SBAddress APIs.""" |
| self.build() |
| exe = self.getBuildArtifact("a.out") |
| |
| # Create a target by the debugger. |
| target = self.dbg.CreateTarget(exe) |
| self.assertTrue(target, VALID_TARGET) |
| |
| # Now create the two breakpoints inside function 'a'. |
| breakpoint1 = target.BreakpointCreateByLocation('main.c', self.line1) |
| breakpoint2 = target.BreakpointCreateByLocation('main.c', self.line2) |
| #print("breakpoint1:", breakpoint1) |
| #print("breakpoint2:", breakpoint2) |
| self.assertTrue(breakpoint1 and |
| breakpoint1.GetNumLocations() == 1, |
| VALID_BREAKPOINT) |
| self.assertTrue(breakpoint2 and |
| breakpoint2.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) |
| |
| # Frame #0 should be on self.line1. |
| self.assertTrue(process.GetState() == lldb.eStateStopped) |
| thread = lldbutil.get_stopped_thread( |
| process, lldb.eStopReasonBreakpoint) |
| self.assertTrue( |
| thread.IsValid(), |
| "There should be a thread stopped due to breakpoint condition") |
| frame0 = thread.GetFrameAtIndex(0) |
| lineEntry = frame0.GetLineEntry() |
| self.assertTrue(lineEntry.GetLine() == self.line1) |
| |
| address1 = lineEntry.GetStartAddress() |
| #print("address1:", address1) |
| |
| # Now call SBTarget.ResolveSymbolContextForAddress() with address1. |
| context1 = target.ResolveSymbolContextForAddress( |
| address1, lldb.eSymbolContextEverything) |
| |
| self.assertTrue(context1) |
| if self.TraceOn(): |
| print("context1:", context1) |
| |
| # Continue the inferior, the breakpoint 2 should be hit. |
| process.Continue() |
| self.assertTrue(process.GetState() == lldb.eStateStopped) |
| thread = lldbutil.get_stopped_thread( |
| process, lldb.eStopReasonBreakpoint) |
| self.assertTrue( |
| thread.IsValid(), |
| "There should be a thread stopped due to breakpoint condition") |
| frame0 = thread.GetFrameAtIndex(0) |
| lineEntry = frame0.GetLineEntry() |
| self.assertTrue(lineEntry.GetLine() == self.line2) |
| |
| # Verify that the symbol and the function has the same address range |
| # per function 'a'. |
| symbol = context1.GetSymbol() |
| function = frame0.GetFunction() |
| self.assertTrue(symbol and function) |
| |
| disasm_output = lldbutil.disassemble(target, symbol) |
| if self.TraceOn(): |
| print("symbol:", symbol) |
| print("disassembly=>\n", disasm_output) |
| |
| disasm_output = lldbutil.disassemble(target, function) |
| if self.TraceOn(): |
| print("function:", function) |
| print("disassembly=>\n", disasm_output) |
| |
| sa1 = symbol.GetStartAddress() |
| #print("sa1:", sa1) |
| #print("sa1.GetFileAddress():", hex(sa1.GetFileAddress())) |
| #ea1 = symbol.GetEndAddress() |
| #print("ea1:", ea1) |
| sa2 = function.GetStartAddress() |
| #print("sa2:", sa2) |
| #print("sa2.GetFileAddress():", hex(sa2.GetFileAddress())) |
| #ea2 = function.GetEndAddress() |
| #print("ea2:", ea2) |
| self.assertTrue(sa1 and sa2 and sa1 == sa2, |
| "The two starting addresses should be the same") |
| |
| from lldbsuite.test.lldbutil import get_description |
| desc1 = get_description(sa1) |
| desc2 = get_description(sa2) |
| self.assertTrue( |
| desc1 and desc2 and desc1 == desc2, |
| "SBAddress.GetDescription() API of sa1 and sa2 should return the same string") |
