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[DebugInfo] Fix printing values of forms which depend on the DWARF format.

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The values are 8 bytes long in DWARF64, so they should not be truncated
to uint32_t on dumping.

Differential Revision: https://reviews.llvm.org/D79093
This commit is contained in:
Igor Kudrin 2020-05-08 12:58:01 +07:00
parent fd1a3e0dc7
commit 1447dd8d77
2 changed files with 59 additions and 4 deletions
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7
lib/DebugInfo/DWARF/DWARFFormValue.cpp
View File

@ -481,12 +481,12 @@ void DWARFFormValue::dump(raw_ostream &OS, DIDumpOptions DumpOpts) const {
break;
case DW_FORM_strp:
if (DumpOpts.Verbose)
OS << format(" .debug_str[0x%8.8x] = ", (uint32_t)UValue);
OS << format(" .debug_str[0x%8.8" PRIx64 "] = ", UValue);
dumpString(OS);
break;
case DW_FORM_line_strp:
if (DumpOpts.Verbose)
OS << format(" .debug_line_str[0x%8.8x] = ", (uint32_t)UValue);
OS << format(" .debug_line_str[0x%8.8" PRIx64 "] = ", UValue);
dumpString(OS);
break;
case DW_FORM_strx:
@ -550,9 +550,8 @@ void DWARFFormValue::dump(raw_ostream &OS, DIDumpOptions DumpOpts) const {
OS << format("indexed (0x%x) loclist = ", (uint32_t)UValue);
break;
// Should be formatted to 64-bit for DWARF64.
case DW_FORM_sec_offset:
AddrOS << format("0x%08x", (uint32_t)UValue);
AddrOS << format("0x%08" PRIx64, UValue);
break;
default:

56
unittests/DebugInfo/DWARF/DWARFFormValueTest.cpp
View File

@ -339,4 +339,60 @@ INSTANTIATE_TEST_CASE_P(
ErrorParams{DW_FORM_strp_sup, {}},
ErrorParams{DW_FORM_ref_sig8, {}}), );
using DumpValueParams =
std::tuple<Form, ArrayRef<uint8_t>, DwarfFormat, StringRef>;
struct DumpValueFixture : public testing::TestWithParam<DumpValueParams> {
void SetUp() override {
std::tie(Fm, InitialData, Format, ExpectedResult) = GetParam();
}
Form Fm;
ArrayRef<uint8_t> InitialData;
DwarfFormat Format;
StringRef ExpectedResult;
};
TEST_P(DumpValueFixture, Test) {
SCOPED_TRACE(formatv("Fm = {0}, InitialData = [{1}], Format = {2}", Fm,
toHex(InitialData),
Format == DWARF64 ? "DWARF64" : "DWARF32"));
DWARFDataExtractor Data(InitialData, sys::IsLittleEndianHost, 8);
DWARFFormValue Form(Fm);
uint64_t Offset = 0;
Form.extractValue(Data, &Offset, {0, 0, Format});
std::string Output;
raw_string_ostream OS(Output);
DIDumpOptions Opts;
Opts.Verbose = true;
Opts.ShowAddresses = true;
Form.dump(OS, Opts);
OS.flush();
EXPECT_EQ(Output, ExpectedResult);
}
const uint32_t DumpTestSample32Val = 0x112233;
ArrayRef<uint8_t> DumpTestSample32 = toBytes(DumpTestSample32Val);
const uint64_t DumpTestSample64Val = 0x11223344556677;
ArrayRef<uint8_t> DumpTestSample64 = toBytes(DumpTestSample64Val);
INSTANTIATE_TEST_CASE_P(
DumpValueParams, DumpValueFixture,
testing::Values(DumpValueParams{DW_FORM_strp, DumpTestSample32, DWARF32,
" .debug_str[0x00112233] = "},
DumpValueParams{DW_FORM_strp, DumpTestSample64, DWARF64,
" .debug_str[0x11223344556677] = "},
DumpValueParams{DW_FORM_line_strp, DumpTestSample32,
DWARF32, " .debug_line_str[0x00112233] = "},
DumpValueParams{DW_FORM_line_strp, DumpTestSample64,
DWARF64,
" .debug_line_str[0x11223344556677] = "},
DumpValueParams{DW_FORM_sec_offset, DumpTestSample32,
DWARF32, "0x00112233"},
DumpValueParams{DW_FORM_sec_offset, DumpTestSample64,
DWARF64, "0x11223344556677"}), );
} // end anonymous namespace