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