| """ |
| Test that the arm64 ADRP + ADD pc-relative addressing pair is symbolicated. |
| """ |
| |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| class TestAArch64AdrpAdd(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| @no_debug_info_test |
| @skipIfLLVMTargetMissing("AArch64") |
| def test_arm64(self): |
| src_dir = self.getSourceDir() |
| yaml_path = os.path.join(src_dir, "a.out-arm64.yaml") |
| obj_path = self.getBuildArtifact("a.out-arm64") |
| self.yaml2obj(yaml_path, obj_path) |
| |
| target = self.dbg.CreateTarget(obj_path) |
| self.assertTrue(target, VALID_TARGET) |
| |
| mains = target.FindFunctions("main") |
| for f in mains.symbols: |
| binaryname = f.GetStartAddress().GetModule().GetFileSpec().GetFilename() |
| if binaryname == "a.out-arm64": |
| self.disassemble_check_for_hi_and_foo(target, f, binaryname) |
| |
| @no_debug_info_test |
| @skipIfLLVMTargetMissing("AArch64") |
| def test_arm64_32(self): |
| src_dir = self.getSourceDir() |
| yaml_path = os.path.join(src_dir, "a.out-arm64_32.yaml") |
| obj_path = self.getBuildArtifact("a.out-arm64_32") |
| self.yaml2obj(yaml_path, obj_path) |
| |
| target = self.dbg.CreateTarget(obj_path) |
| self.assertTrue(target, VALID_TARGET) |
| |
| mains = target.FindFunctions("main") |
| for f in mains.symbols: |
| binaryname = f.GetStartAddress().GetModule().GetFileSpec().GetFilename() |
| if binaryname == "a.out-arm64_32": |
| self.disassemble_check_for_hi_and_foo(target, f, binaryname) |
| |
| def disassemble_check_for_hi_and_foo(self, target, func, binaryname): |
| insns = func.GetInstructions(target) |
| found_hi_string = False |
| found_foo = False |
| |
| # The binary has an ADRP + ADD instruction pair which load |
| # the pc-relative address of a c-string, and loads the address |
| # of a function into a function pointer. lldb should show |
| # that c-string and the name of that function in the disassembly |
| # comment field. |
| for i in insns: |
| if "HI" in i.GetComment(target): |
| found_hi_string = True |
| if "foo" in i.GetComment(target): |
| found_foo = True |
| if found_hi_string == False or found_foo == False: |
| print('Did not find "HI" string or "foo" in disassembly symbolication in %s' % binaryname) |
| if self.TraceOn(): |
| strm = lldb.SBStream() |
| insns.GetDescription(strm) |
| print('Disassembly of main(), looking for "HI" and "foo" in comments:') |
| print(strm.GetData()) |
| self.assertTrue(found_hi_string) |
| self.assertTrue(found_foo) |
