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"""
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):
@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)
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