| """ |
| Test jumping to different places. |
| """ |
| |
| |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| class ThreadJumpTestCase(TestBase): |
| def setUp(self): |
| TestBase.setUp(self) |
| self.build() |
| |
| def test(self): |
| """Test thread jump handling.""" |
| exe = self.getBuildArtifact("a.out") |
| self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) |
| |
| # Find the line numbers for our breakpoints. |
| self.mark1 = line_number("main.cpp", "// 1st marker") |
| self.mark2 = line_number("main.cpp", "// 2nd marker") |
| self.mark3 = line_number("main.cpp", "// 3rd marker") |
| self.mark4 = line_number("main.cpp", "// 4th marker") |
| self.mark5 = line_number("other.cpp", "// other marker") |
| |
| lldbutil.run_break_set_by_file_and_line( |
| self, "main.cpp", self.mark3, num_expected_locations=1 |
| ) |
| self.runCmd("run", RUN_SUCCEEDED) |
| |
| # The stop reason of the thread should be breakpoint 1. |
| self.expect( |
| "thread list", |
| STOPPED_DUE_TO_BREAKPOINT + " 1", |
| substrs=[ |
| "stopped", |
| "main.cpp:{}".format(self.mark3), |
| "stop reason = breakpoint 1", |
| ], |
| ) |
| |
| # Try the int path, force it to return 'a' |
| self.do_min_test(self.mark3, self.mark1, "i", "4") |
| # Try the int path, force it to return 'b' |
| self.do_min_test(self.mark3, self.mark2, "i", "5") |
| # Try the double path, force it to return 'a' |
| self.do_min_test(self.mark4, self.mark1, "j", "7") |
| # Expected to fail on powerpc64le architecture |
| if not self.isPPC64le(): |
| # Try the double path, force it to return 'b' |
| self.do_min_test(self.mark4, self.mark2, "j", "8") |
| |
| # Try jumping to another function in a different file. |
| self.runCmd("thread jump --file other.cpp --line %i --force" % self.mark5) |
| self.expect("process status", substrs=["at other.cpp:%i" % self.mark5]) |
| |
| # Try jumping to another function (without forcing) |
| self.expect( |
| "j main.cpp:%i" % self.mark1, |
| COMMAND_FAILED_AS_EXPECTED, |
| error=True, |
| substrs=["error"], |
| ) |
| |
| @expectedFailureAll(compiler="clang", compiler_version=["<", "17.0"]) |
| def test_jump_offset(self): |
| """Test Thread Jump by negative or positive offset""" |
| exe = self.getBuildArtifact("a.out") |
| file_name = "main.cpp" |
| self.runCmd(f"target create {exe}", CURRENT_EXECUTABLE_SET) |
| |
| pos_jump = line_number(file_name, "// jump_offset 1") |
| neg_jump = line_number(file_name, "// jump_offset 2") |
| pos_breakpoint = line_number(file_name, "// breakpoint 1") |
| neg_breakpoint = line_number(file_name, "// breakpoint 2") |
| pos_jump_offset = pos_jump - pos_breakpoint |
| neg_jump_offset = neg_jump - neg_breakpoint |
| |
| var_1, var_1_value = ("var_1", "10") |
| var_2, var_2_value = ("var_2", "40") |
| var_3, var_3_value = ("var_3", "10") |
| |
| # create pos_breakpoint and neg_breakpoint |
| lldbutil.run_break_set_by_file_and_line( |
| self, file_name, pos_breakpoint, num_expected_locations=1 |
| ) |
| lldbutil.run_break_set_by_file_and_line( |
| self, file_name, neg_breakpoint, num_expected_locations=1 |
| ) |
| |
| self.runCmd("run", RUN_SUCCEEDED) |
| |
| # test positive jump |
| # The stop reason of the thread should be breakpoint 1. |
| self.expect( |
| "thread list", |
| STOPPED_DUE_TO_BREAKPOINT + " 1", |
| substrs=[ |
| "stopped", |
| f"{file_name}:{pos_breakpoint}", |
| "stop reason = breakpoint 1", |
| ], |
| ) |
| |
| self.runCmd(f"thread jump --by +{pos_jump_offset}") |
| self.expect("process status", substrs=[f"at {file_name}:{pos_jump}"]) |
| self.expect(f"print {var_1}", substrs=[var_1_value]) |
| |
| self.runCmd("thread step-over") |
| self.expect(f"print {var_2}", substrs=[var_2_value]) |
| |
| self.runCmd("continue") |
| |
| # test negative jump |
| # The stop reason of the thread should be breakpoint 1. |
| self.expect( |
| "thread list", |
| STOPPED_DUE_TO_BREAKPOINT + " 2", |
| substrs=[ |
| "stopped", |
| f"{file_name}:{neg_breakpoint}", |
| "stop reason = breakpoint 2", |
| ], |
| ) |
| |
| self.runCmd(f"thread jump --by {neg_jump_offset}") |
| self.expect("process status", substrs=[f"at {file_name}:{neg_jump}"]) |
| self.runCmd("thread step-over") |
| self.expect(f"print {var_3}", substrs=[var_3_value]) |
| |
| def do_min_test(self, start, jump, var, value): |
| # jump to the start marker |
| self.runCmd("j %i" % start) |
| self.runCmd("thread step-in") # step into the min fn |
| # jump to the branch we're interested in |
| self.runCmd("j %i" % jump) |
| self.runCmd("thread step-out") # return out |
| self.runCmd("thread step-over") # assign to the global |
| self.expect("expr %s" % var, substrs=[value]) # check it |
