#ifndef LLVM_DEBUGINFO_DWARFFORMVALUE_H
#define LLVM_DEBUGINFO_DWARFFORMVALUE_H
+#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/Optional.h"
#include "llvm/Support/DataExtractor.h"
#include "llvm/Support/Dwarf.h"
void setUValue(uint64_t V) { Value.uval = V; }
void setSValue(int64_t V) { Value.sval = V; }
void setPValue(const char *V) { Value.cstr = V; }
+ void setBlockValue(const ArrayRef<uint8_t> &Data) {
+ Value.data = Data.data();
+ setUValue(Data.size());
+ }
bool isFormClass(FormClass FC) const;
const DWARFUnit *getUnit() const { return U; }
void dump(raw_ostream &OS) const;
void dumpString(raw_ostream &OS) const;
};
+namespace dwarf {
+ /// Take an optional DWARFFormValue and try to extract a string value from it.
+ ///
+ /// \param V and optional DWARFFormValue to attempt to extract the value from.
+ /// \returns an optional value that contains a value if the form value
+ /// was valid and was a string.
+ inline Optional<const char*> toString(const Optional<DWARFFormValue>& V) {
+ if (V)
+ return V->getAsCString();
+ return None;
+ }
+
+ /// Take an optional DWARFFormValue and extract a string value from it.
+ ///
+ /// \param V and optional DWARFFormValue to attempt to extract the value from.
+ /// \param Default the default value to return in case of failure.
+ /// \returns the string value or Default if the V doesn't have a value or the
+ /// form value's encoding wasn't a string.
+ inline const char*
+ toString(const Optional<DWARFFormValue>& V, const char *Default) {
+ return toString(V).getValueOr(Default);
+ }
+
+ /// Take an optional DWARFFormValue and try to extract an unsigned constant.
+ ///
+ /// \param V and optional DWARFFormValue to attempt to extract the value from.
+ /// \returns an optional value that contains a value if the form value
+ /// was valid and has a unsigned constant form.
+ inline Optional<uint64_t> toUnsigned(const Optional<DWARFFormValue>& V) {
+ if (V)
+ return V->getAsUnsignedConstant();
+ return None;
+ }
+
+ /// Take an optional DWARFFormValue and extract a unsigned constant.
+ ///
+ /// \param V and optional DWARFFormValue to attempt to extract the value from.
+ /// \param Default the default value to return in case of failure.
+ /// \returns the extracted unsigned value or Default if the V doesn't have a
+ /// value or the form value's encoding wasn't an unsigned constant form.
+ inline uint64_t
+ toUnsigned(const Optional<DWARFFormValue>& V, uint64_t Default) {
+ return toUnsigned(V).getValueOr(Default);
+ }
+
+ /// Take an optional DWARFFormValue and try to extract an reference.
+ ///
+ /// \param V and optional DWARFFormValue to attempt to extract the value from.
+ /// \returns an optional value that contains a value if the form value
+ /// was valid and has a reference form.
+ inline Optional<uint64_t> toReference(const Optional<DWARFFormValue>& V) {
+ if (V)
+ return V->getAsReference();
+ return None;
+ }
+
+ /// Take an optional DWARFFormValue and extract a reference.
+ ///
+ /// \param V and optional DWARFFormValue to attempt to extract the value from.
+ /// \param Default the default value to return in case of failure.
+ /// \returns the extracted reference value or Default if the V doesn't have a
+ /// value or the form value's encoding wasn't a reference form.
+ inline uint64_t
+ toReference(const Optional<DWARFFormValue>& V, uint64_t Default) {
+ return toReference(V).getValueOr(Default);
+ }
+
+ /// Take an optional DWARFFormValue and try to extract an signed constant.
+ ///
+ /// \param V and optional DWARFFormValue to attempt to extract the value from.
+ /// \returns an optional value that contains a value if the form value
+ /// was valid and has a signed constant form.
+ inline Optional<int64_t> toSigned(const Optional<DWARFFormValue>& V) {
+ if (V)
+ return V->getAsSignedConstant();
+ return None;
+ }
+
+ /// Take an optional DWARFFormValue and extract a signed integer.
+ ///
+ /// \param V and optional DWARFFormValue to attempt to extract the value from.
+ /// \param Default the default value to return in case of failure.
+ /// \returns the extracted signed integer value or Default if the V doesn't
+ /// have a value or the form value's encoding wasn't a signed integer form.
+ inline int64_t
+ toSigned(const Optional<DWARFFormValue>& V, int64_t Default) {
+ return toSigned(V).getValueOr(Default);
+ }
+
+ /// Take an optional DWARFFormValue and try to extract an address.
+ ///
+ /// \param V and optional DWARFFormValue to attempt to extract the value from.
+ /// \returns an optional value that contains a value if the form value
+ /// was valid and has a address form.
+ inline Optional<uint64_t> toAddress(const Optional<DWARFFormValue>& V) {
+ if (V)
+ return V->getAsAddress();
+ return None;
+ }
+
+ /// Take an optional DWARFFormValue and extract a address.
+ ///
+ /// \param V and optional DWARFFormValue to attempt to extract the value from.
+ /// \param Default the default value to return in case of failure.
+ /// \returns the extracted address value or Default if the V doesn't have a
+ /// value or the form value's encoding wasn't an address form.
+ inline uint64_t
+ toAddress(const Optional<DWARFFormValue>& V, uint64_t Default) {
+ return toAddress(V).getValueOr(Default);
+ }
+
+ /// Take an optional DWARFFormValue and try to extract an section offset.
+ ///
+ /// \param V and optional DWARFFormValue to attempt to extract the value from.
+ /// \returns an optional value that contains a value if the form value
+ /// was valid and has a section offset form.
+ inline Optional<uint64_t> toSectionOffset(const Optional<DWARFFormValue>& V) {
+ if (V)
+ return V->getAsSectionOffset();
+ return None;
+ }
+
+ /// Take an optional DWARFFormValue and extract a section offset.
+ ///
+ /// \param V and optional DWARFFormValue to attempt to extract the value from.
+ /// \param Default the default value to return in case of failure.
+ /// \returns the extracted section offset value or Default if the V doesn't
+ /// have a value or the form value's encoding wasn't a section offset form.
+ inline uint64_t
+ toSectionOffset(const Optional<DWARFFormValue>& V, uint64_t Default) {
+ return toSectionOffset(V).getValueOr(Default);
+ }
+
+ /// Take an optional DWARFFormValue and try to extract block data.
+ ///
+ /// \param V and optional DWARFFormValue to attempt to extract the value from.
+ /// \returns an optional value that contains a value if the form value
+ /// was valid and has a block form.
+ inline Optional<ArrayRef<uint8_t>>
+ toBlock(const Optional<DWARFFormValue>& V) {
+ if (V)
+ return V->getAsBlock();
+ return None;
+ }
+
+} // end namespace dwarf
+
}
#endif
Info.resize(OrigUnit.getNumDIEs());
auto CUDie = OrigUnit.getUnitDIE(false);
- unsigned Lang =
- CUDie.getAttributeValueAsUnsignedConstant(dwarf::DW_AT_language)
- .getValueOr(0);
- HasODR = CanUseODR && (Lang == dwarf::DW_LANG_C_plus_plus ||
- Lang == dwarf::DW_LANG_C_plus_plus_03 ||
- Lang == dwarf::DW_LANG_C_plus_plus_11 ||
- Lang == dwarf::DW_LANG_C_plus_plus_14 ||
- Lang == dwarf::DW_LANG_ObjC_plus_plus);
+ if (auto Lang = dwarf::toUnsigned(CUDie.find(dwarf::DW_AT_language)))
+ HasODR = CanUseODR && (*Lang == dwarf::DW_LANG_C_plus_plus ||
+ *Lang == dwarf::DW_LANG_C_plus_plus_03 ||
+ *Lang == dwarf::DW_LANG_C_plus_plus_11 ||
+ *Lang == dwarf::DW_LANG_C_plus_plus_14 ||
+ *Lang == dwarf::DW_LANG_ObjC_plus_plus);
}
DWARFUnit &getOrigUnit() const { return OrigUnit; }
DWARFUnit &OrigUnit = Unit.getOrigUnit();
auto OrigUnitDie = OrigUnit.getUnitDIE(false);
int64_t UnitPcOffset = 0;
- auto OrigLowPc = OrigUnitDie.getAttributeValueAsAddress(dwarf::DW_AT_low_pc);
- if (OrigLowPc)
+ if (auto OrigLowPc = dwarf::toAddress(OrigUnitDie.find(dwarf::DW_AT_low_pc)))
UnitPcOffset = int64_t(*OrigLowPc) - Unit.getLowPc();
for (const auto &Attr : Attributes) {
// Do not unique anything inside CU local functions.
if ((Context.getTag() == dwarf::DW_TAG_namespace ||
Context.getTag() == dwarf::DW_TAG_compile_unit) &&
- !DIE.getAttributeValueAsUnsignedConstant(dwarf::DW_AT_external)
- .getValueOr(0))
+ !dwarf::toUnsigned(DIE.find(dwarf::DW_AT_external), 0))
return PointerIntPair<DeclContext *, 1>(nullptr);
LLVM_FALLTHROUGH;
case dwarf::DW_TAG_member:
// created on demand. For example implicitely defined constructors
// are ambiguous because of the way we identify contexts, and they
// won't be generated everytime everywhere.
- if (DIE.getAttributeValueAsUnsignedConstant(dwarf::DW_AT_artificial)
- .getValueOr(0))
+ if (dwarf::toUnsigned(DIE.find(dwarf::DW_AT_artificial), 0))
return PointerIntPair<DeclContext *, 1>(nullptr);
break;
}
// namespaces, use these additional data points to make the process
// safer. This is disabled for clang modules, because forward
// declarations of module-defined types do not have a file and line.
- ByteSize = DIE.getAttributeValueAsUnsignedConstant(dwarf::DW_AT_byte_size)
- .getValueOr(UINT64_MAX);
+ ByteSize = dwarf::toUnsigned(DIE.find(dwarf::DW_AT_byte_size), UINT64_MAX);
if (Tag != dwarf::DW_TAG_namespace || !Name) {
- if (unsigned FileNum =
- DIE.getAttributeValueAsUnsignedConstant(dwarf::DW_AT_decl_file)
- .getValueOr(0)) {
+ if (unsigned FileNum = dwarf::toUnsigned(DIE.find(dwarf::DW_AT_decl_file), 0)) {
if (const auto *LT = U.getOrigUnit().getContext().getLineTableForUnit(
&U.getOrigUnit())) {
// FIXME: dsymutil-classic compatibility. I'd rather not
// instead of "" would allow more uniquing, but for now, do
// it this way to match dsymutil-classic.
if (LT->hasFileAtIndex(FileNum)) {
- Line =
- DIE.getAttributeValueAsUnsignedConstant(dwarf::DW_AT_decl_line)
- .getValueOr(0);
+ Line = dwarf::toUnsigned(DIE.find(dwarf::DW_AT_decl_line), 0);
// Cache the resolved paths, because calling realpath is expansive.
StringRef ResolvedPath = U.getResolvedPath(FileNum);
if (!ResolvedPath.empty()) {
//
// We treat non-C++ modules like namespaces for this reason.
if (DIE.getTag() == dwarf::DW_TAG_module && ParentIdx == 0 &&
- DIE.getAttributeValueAsString(dwarf::DW_AT_name,
- "") != CU.getClangModuleName()) {
+ dwarf::toString(DIE.find(dwarf::DW_AT_name), "") != CU.getClangModuleName()) {
InImportedModule = true;
}
// forward declarations.
Info.Prune &=
(DIE.getTag() == dwarf::DW_TAG_module) ||
- DIE.getAttributeValueAsUnsignedConstant(dwarf::DW_AT_declaration)
- .getValueOr(0);
+ dwarf::toUnsigned(DIE.find(dwarf::DW_AT_declaration), 0);
// Don't prune it if there is no definition for the DIE.
Info.Prune &= Info.Ctxt && Info.Ctxt->getCanonicalDIEOffset();
std::tie(LowPcOffset, LowPcEndOffset) =
getAttributeOffsets(Abbrev, *LowPcIdx, Offset, OrigUnit);
- auto LowPc = DIE.getAttributeValueAsAddress(dwarf::DW_AT_low_pc);
+ auto LowPc = dwarf::toAddress(DIE.find(dwarf::DW_AT_low_pc));
assert(LowPc.hasValue() && "low_pc attribute is not an address.");
if (!LowPc ||
!RelocMgr.hasValidRelocation(LowPcOffset, LowPcEndOffset, MyInfo))
// file might be start address of another function which got moved
// independantly by the linker). The computation of the actual
// high_pc value is done in cloneAddressAttribute().
- AttrInfo.OrigHighPc =
- InputDIE.getAttributeValueAsAddress(dwarf::DW_AT_high_pc).getValueOr(0);
+ AttrInfo.OrigHighPc = dwarf::toAddress(InputDIE.find(dwarf::DW_AT_high_pc), 0);
// Also store the low_pc. It might get relocated in an
// inline_subprogram that happens at the beginning of its
// inlining function.
- AttrInfo.OrigLowPc =
- InputDIE.getAttributeValueAsAddress(dwarf::DW_AT_low_pc)
- .getValueOr(UINT64_MAX);
+ AttrInfo.OrigLowPc = dwarf::toAddress(InputDIE.find(dwarf::DW_AT_low_pc), UINT64_MAX);
}
// Reset the Offset to 0 as we will be working on the local copy of
auto InvalidRange = FunctionRanges.end(), CurrRange = InvalidRange;
DWARFUnit &OrigUnit = Unit.getOrigUnit();
auto OrigUnitDie = OrigUnit.getUnitDIE(false);
- uint64_t OrigLowPc =
- OrigUnitDie.getAttributeValueAsAddress(dwarf::DW_AT_low_pc)
- .getValueOr(-1ULL);
+ uint64_t OrigLowPc = dwarf::toAddress(OrigUnitDie.find(dwarf::DW_AT_low_pc), -1ULL);
// Ranges addresses are based on the unit's low_pc. Compute the
// offset we need to apply to adapt to the new unit's low_pc.
int64_t UnitPcOffset = 0;
void DwarfLinker::patchLineTableForUnit(CompileUnit &Unit,
DWARFContext &OrigDwarf) {
DWARFDie CUDie = Unit.getOrigUnit().getUnitDIE();
- auto StmtList = CUDie.getAttributeValueAsSectionOffset(dwarf::DW_AT_stmt_list);
+ auto StmtList = dwarf::toSectionOffset(CUDie.find(dwarf::DW_AT_stmt_list));
if (!StmtList)
return;
static uint64_t getDwoId(const DWARFDie &CUDie,
const DWARFUnit &Unit) {
- auto DwoId = CUDie.getAttributeValueAsUnsignedConstant(dwarf::DW_AT_dwo_id);
+ auto DwoId = dwarf::toUnsigned(CUDie.find(dwarf::DW_AT_dwo_id));
if (DwoId)
return *DwoId;
- DwoId = CUDie.getAttributeValueAsUnsignedConstant(dwarf::DW_AT_GNU_dwo_id);
+ DwoId = dwarf::toUnsigned(CUDie.find(dwarf::DW_AT_GNU_dwo_id));
if (DwoId)
return *DwoId;
return 0;
bool DwarfLinker::registerModuleReference(
const DWARFDie &CUDie, const DWARFUnit &Unit,
DebugMap &ModuleMap, unsigned Indent) {
- std::string PCMfile =
- CUDie.getAttributeValueAsString(dwarf::DW_AT_dwo_name, "");
+ std::string PCMfile = dwarf::toString(CUDie.find(dwarf::DW_AT_dwo_name), "");
if (PCMfile.empty())
- PCMfile =
- CUDie.getAttributeValueAsString(dwarf::DW_AT_GNU_dwo_name, "");
+ PCMfile = dwarf::toString(CUDie.find(dwarf::DW_AT_GNU_dwo_name), "");
if (PCMfile.empty())
return false;
// Clang module DWARF skeleton CUs abuse this for the path to the module.
- std::string PCMpath =
- CUDie.getAttributeValueAsString(dwarf::DW_AT_comp_dir, "");
+ std::string PCMpath = dwarf::toString(CUDie.find(dwarf::DW_AT_comp_dir), "");
uint64_t DwoId = getDwoId(CUDie, Unit);
- std::string Name =
- CUDie.getAttributeValueAsString(dwarf::DW_AT_name, "");
+ std::string Name = dwarf::toString(CUDie.find(dwarf::DW_AT_name), "");
if (Name.empty()) {
reportWarning("Anonymous module skeleton CU for " + PCMfile);
return true;
//----------------------------------------------------------------------
// Test address forms
//----------------------------------------------------------------------
- EXPECT_EQ(DieDG.getAttributeValueAsAddress(Attr_DW_FORM_addr).getValueOr(0),
- AddrValue);
+ EXPECT_EQ(AddrValue, toAddress(DieDG.find(Attr_DW_FORM_addr), 0));
//----------------------------------------------------------------------
// Test block forms
ArrayRef<uint8_t> ExtractedBlockData;
Optional<ArrayRef<uint8_t>> BlockDataOpt;
- FormValue = DieDG.getAttributeValue(Attr_DW_FORM_block);
+ FormValue = DieDG.find(Attr_DW_FORM_block);
EXPECT_TRUE((bool)FormValue);
BlockDataOpt = FormValue->getAsBlock();
EXPECT_TRUE(BlockDataOpt.hasValue());
EXPECT_EQ(ExtractedBlockData.size(), BlockSize);
EXPECT_TRUE(memcmp(ExtractedBlockData.data(), BlockData, BlockSize) == 0);
- FormValue = DieDG.getAttributeValue(Attr_DW_FORM_block1);
+ FormValue = DieDG.find(Attr_DW_FORM_block1);
EXPECT_TRUE((bool)FormValue);
BlockDataOpt = FormValue->getAsBlock();
EXPECT_TRUE(BlockDataOpt.hasValue());
EXPECT_EQ(ExtractedBlockData.size(), BlockSize);
EXPECT_TRUE(memcmp(ExtractedBlockData.data(), BlockData, BlockSize) == 0);
- FormValue = DieDG.getAttributeValue(Attr_DW_FORM_block2);
+ FormValue = DieDG.find(Attr_DW_FORM_block2);
EXPECT_TRUE((bool)FormValue);
BlockDataOpt = FormValue->getAsBlock();
EXPECT_TRUE(BlockDataOpt.hasValue());
EXPECT_EQ(ExtractedBlockData.size(), BlockSize);
EXPECT_TRUE(memcmp(ExtractedBlockData.data(), BlockData, BlockSize) == 0);
- FormValue = DieDG.getAttributeValue(Attr_DW_FORM_block4);
+ FormValue = DieDG.find(Attr_DW_FORM_block4);
EXPECT_TRUE((bool)FormValue);
BlockDataOpt = FormValue->getAsBlock();
EXPECT_TRUE(BlockDataOpt.hasValue());
//----------------------------------------------------------------------
// Test data forms
//----------------------------------------------------------------------
- EXPECT_EQ(DieDG.getAttributeValueAsUnsignedConstant(Attr_DW_FORM_data1)
- .getValueOr(0),
- Data1);
- EXPECT_EQ(DieDG.getAttributeValueAsUnsignedConstant(Attr_DW_FORM_data2)
- .getValueOr(0),
- Data2);
- EXPECT_EQ(DieDG.getAttributeValueAsUnsignedConstant(Attr_DW_FORM_data4)
- .getValueOr(0),
- Data4);
- EXPECT_EQ(DieDG.getAttributeValueAsUnsignedConstant(Attr_DW_FORM_data8)
- .getValueOr(0),
- Data8);
+ EXPECT_EQ(Data1, toUnsigned(DieDG.find(Attr_DW_FORM_data1), 0));
+ EXPECT_EQ(Data2, toUnsigned(DieDG.find(Attr_DW_FORM_data2), 0));
+ EXPECT_EQ(Data4, toUnsigned(DieDG.find(Attr_DW_FORM_data4), 0));
+ EXPECT_EQ(Data8, toUnsigned(DieDG.find(Attr_DW_FORM_data8), 0));
//----------------------------------------------------------------------
// Test string forms
//----------------------------------------------------------------------
- const char *ExtractedStringValue =
- DieDG.getAttributeValueAsString(Attr_DW_FORM_string, nullptr);
- EXPECT_TRUE(ExtractedStringValue != nullptr);
- EXPECT_TRUE(strcmp(StringValue, ExtractedStringValue) == 0);
+ auto ExtractedStringValue = toString(DieDG.find(Attr_DW_FORM_string));
+ EXPECT_TRUE((bool)ExtractedStringValue);
+ EXPECT_TRUE(strcmp(StringValue, *ExtractedStringValue) == 0);
- const char *ExtractedStrpValue =
- DieDG.getAttributeValueAsString(Attr_DW_FORM_strp, nullptr);
- EXPECT_TRUE(ExtractedStrpValue != nullptr);
- EXPECT_TRUE(strcmp(StrpValue, ExtractedStrpValue) == 0);
+ auto ExtractedStrpValue = toString(DieDG.find(Attr_DW_FORM_strp));
+ EXPECT_TRUE((bool)ExtractedStrpValue);
+ EXPECT_TRUE(strcmp(StrpValue, *ExtractedStrpValue) == 0);
//----------------------------------------------------------------------
// Test reference forms
//----------------------------------------------------------------------
- EXPECT_EQ(
- DieDG.getAttributeValueAsReference(Attr_DW_FORM_ref_addr).getValueOr(0),
- RefAddr);
- EXPECT_EQ(DieDG.getAttributeValueAsReference(Attr_DW_FORM_ref1).getValueOr(0),
- Data1);
- EXPECT_EQ(DieDG.getAttributeValueAsReference(Attr_DW_FORM_ref2).getValueOr(0),
- Data2);
- EXPECT_EQ(DieDG.getAttributeValueAsReference(Attr_DW_FORM_ref4).getValueOr(0),
- Data4);
- EXPECT_EQ(DieDG.getAttributeValueAsReference(Attr_DW_FORM_ref8).getValueOr(0),
- Data8);
- EXPECT_EQ(
- DieDG.getAttributeValueAsReference(Attr_DW_FORM_ref_sig8).getValueOr(0),
- Data8_2);
- EXPECT_EQ(
- DieDG.getAttributeValueAsReference(Attr_DW_FORM_ref_udata).getValueOr(0),
- UData[0]);
+ EXPECT_EQ(RefAddr, toReference(DieDG.find(Attr_DW_FORM_ref_addr), 0));
+ EXPECT_EQ(Data1, toReference(DieDG.find(Attr_DW_FORM_ref1), 0));
+ EXPECT_EQ(Data2, toReference(DieDG.find(Attr_DW_FORM_ref2), 0));
+ EXPECT_EQ(Data4, toReference(DieDG.find(Attr_DW_FORM_ref4), 0));
+ EXPECT_EQ(Data8, toReference(DieDG.find(Attr_DW_FORM_ref8), 0));
+ EXPECT_EQ(Data8_2, toReference(DieDG.find(Attr_DW_FORM_ref_sig8), 0));
+ EXPECT_EQ(UData[0], toReference(DieDG.find(Attr_DW_FORM_ref_udata), 0));
//----------------------------------------------------------------------
// Test flag forms
//----------------------------------------------------------------------
- EXPECT_EQ(DieDG.getAttributeValueAsUnsignedConstant(Attr_DW_FORM_flag_true)
- .getValueOr(0),
- 1ULL);
- EXPECT_EQ(DieDG.getAttributeValueAsUnsignedConstant(Attr_DW_FORM_flag_false)
- .getValueOr(1),
- 0ULL);
- EXPECT_EQ(DieDG.getAttributeValueAsUnsignedConstant(Attr_DW_FORM_flag_present)
- .getValueOr(0ULL),
- 1ULL);
+ EXPECT_EQ(1ULL, toUnsigned(DieDG.find(Attr_DW_FORM_flag_true), 0));
+ EXPECT_EQ(0ULL, toUnsigned(DieDG.find(Attr_DW_FORM_flag_false), 1));
+ EXPECT_EQ(1ULL, toUnsigned(DieDG.find(Attr_DW_FORM_flag_present), 0));
//----------------------------------------------------------------------
// Test SLEB128 based forms
//----------------------------------------------------------------------
- EXPECT_EQ(
- DieDG.getAttributeValueAsSignedConstant(Attr_DW_FORM_sdata).getValueOr(0),
- SData);
+ EXPECT_EQ(SData, toSigned(DieDG.find(Attr_DW_FORM_sdata), 0));
if (Version >= 5)
- EXPECT_EQ(
- DieDG.getAttributeValueAsSignedConstant(Attr_DW_FORM_implicit_const)
- .getValueOr(0),
- ICSData);
+ EXPECT_EQ(ICSData, toSigned(DieDG.find(Attr_DW_FORM_implicit_const), 0));
//----------------------------------------------------------------------
// Test ULEB128 based forms
//----------------------------------------------------------------------
- EXPECT_EQ(DieDG.getAttributeValueAsUnsignedConstant(Attr_DW_FORM_udata)
- .getValueOr(0),
- UData[0]);
+ EXPECT_EQ(UData[0], toUnsigned(DieDG.find(Attr_DW_FORM_udata), 0));
//----------------------------------------------------------------------
// Test DWARF32/DWARF64 forms
//----------------------------------------------------------------------
- EXPECT_EQ(DieDG.getAttributeValueAsReference(Attr_DW_FORM_GNU_ref_alt)
- .getValueOr(0),
- Dwarf32Values[0]);
- EXPECT_EQ(DieDG.getAttributeValueAsSectionOffset(Attr_DW_FORM_sec_offset)
- .getValueOr(0),
- Dwarf32Values[1]);
+ EXPECT_EQ(Dwarf32Values[0],
+ toReference(DieDG.find(Attr_DW_FORM_GNU_ref_alt), 0));
+ EXPECT_EQ(Dwarf32Values[1],
+ toSectionOffset(DieDG.find(Attr_DW_FORM_sec_offset), 0));
//----------------------------------------------------------------------
// Add an address at the end to make sure we can decode this value
//----------------------------------------------------------------------
- EXPECT_EQ(DieDG.getAttributeValueAsAddress(Attr_Last).getValueOr(0),
- AddrValue);
+ EXPECT_EQ(AddrValue, toAddress(DieDG.find(Attr_Last), 0));
}
TEST(DWARFDebugInfo, TestDWARF32Version2Addr4AllForms) {
auto CU1TypeDieDG = Unit1DieDG.getFirstChild();
EXPECT_TRUE(CU1TypeDieDG.isValid());
EXPECT_EQ(CU1TypeDieDG.getTag(), DW_TAG_base_type);
- EXPECT_EQ(CU1TypeDieDG.getAttributeValueAsUnsignedConstant(DW_AT_encoding)
- .getValueOr(0),
- DW_ATE_signed);
+ EXPECT_EQ(DW_ATE_signed, toUnsigned(CU1TypeDieDG.find(DW_AT_encoding), 0));
// Verify the first child of the compile unit 2 DIE is our float base type.
auto CU2TypeDieDG = Unit2DieDG.getFirstChild();
EXPECT_TRUE(CU2TypeDieDG.isValid());
EXPECT_EQ(CU2TypeDieDG.getTag(), DW_TAG_base_type);
- EXPECT_EQ(CU2TypeDieDG.getAttributeValueAsUnsignedConstant(DW_AT_encoding)
- .getValueOr(0),
- DW_ATE_float);
+ EXPECT_EQ(DW_ATE_float, toUnsigned(CU2TypeDieDG.find(DW_AT_encoding), 0));
// Verify the sibling of the base type DIE is our Ref1 DIE and that its
// DW_AT_type points to our base type DIE.
auto CU1Ref1DieDG = CU1TypeDieDG.getSibling();
EXPECT_TRUE(CU1Ref1DieDG.isValid());
EXPECT_EQ(CU1Ref1DieDG.getTag(), DW_TAG_variable);
- EXPECT_EQ(
- CU1Ref1DieDG.getAttributeValueAsReference(DW_AT_type).getValueOr(-1ULL),
- CU1TypeDieDG.getOffset());
+ EXPECT_EQ(CU1TypeDieDG.getOffset(),
+ toReference(CU1Ref1DieDG.find(DW_AT_type), -1ULL));
// Verify the sibling is our Ref2 DIE and that its DW_AT_type points to our
// base type DIE in CU1.
auto CU1Ref2DieDG = CU1Ref1DieDG.getSibling();
EXPECT_TRUE(CU1Ref2DieDG.isValid());
EXPECT_EQ(CU1Ref2DieDG.getTag(), DW_TAG_variable);
- EXPECT_EQ(
- CU1Ref2DieDG.getAttributeValueAsReference(DW_AT_type).getValueOr(-1ULL),
- CU1TypeDieDG.getOffset());
+ EXPECT_EQ(CU1TypeDieDG.getOffset(),
+ toReference(CU1Ref2DieDG.find(DW_AT_type), -1ULL));
// Verify the sibling is our Ref4 DIE and that its DW_AT_type points to our
// base type DIE in CU1.
auto CU1Ref4DieDG = CU1Ref2DieDG.getSibling();
EXPECT_TRUE(CU1Ref4DieDG.isValid());
EXPECT_EQ(CU1Ref4DieDG.getTag(), DW_TAG_variable);
- EXPECT_EQ(
- CU1Ref4DieDG.getAttributeValueAsReference(DW_AT_type).getValueOr(-1ULL),
- CU1TypeDieDG.getOffset());
+ EXPECT_EQ(CU1TypeDieDG.getOffset(),
+ toReference(CU1Ref4DieDG.find(DW_AT_type), -1ULL));
// Verify the sibling is our Ref8 DIE and that its DW_AT_type points to our
// base type DIE in CU1.
auto CU1Ref8DieDG = CU1Ref4DieDG.getSibling();
EXPECT_TRUE(CU1Ref8DieDG.isValid());
EXPECT_EQ(CU1Ref8DieDG.getTag(), DW_TAG_variable);
- EXPECT_EQ(
- CU1Ref8DieDG.getAttributeValueAsReference(DW_AT_type).getValueOr(-1ULL),
- CU1TypeDieDG.getOffset());
+ EXPECT_EQ(CU1TypeDieDG.getOffset(),
+ toReference(CU1Ref8DieDG.find(DW_AT_type), -1ULL));
// Verify the sibling is our RefAddr DIE and that its DW_AT_type points to our
// base type DIE in CU1.
auto CU1RefAddrDieDG = CU1Ref8DieDG.getSibling();
EXPECT_TRUE(CU1RefAddrDieDG.isValid());
EXPECT_EQ(CU1RefAddrDieDG.getTag(), DW_TAG_variable);
- EXPECT_EQ(CU1RefAddrDieDG.getAttributeValueAsReference(DW_AT_type)
- .getValueOr(-1ULL),
- CU1TypeDieDG.getOffset());
+ EXPECT_EQ(CU1TypeDieDG.getOffset(),
+ toReference(CU1RefAddrDieDG.find(DW_AT_type), -1ULL));
// Verify the sibling of the Ref4 DIE is our RefAddr DIE and that its
// DW_AT_type points to our base type DIE.
auto CU1ToCU2RefAddrDieDG = CU1RefAddrDieDG.getSibling();
EXPECT_TRUE(CU1ToCU2RefAddrDieDG.isValid());
EXPECT_EQ(CU1ToCU2RefAddrDieDG.getTag(), DW_TAG_variable);
- EXPECT_EQ(CU1ToCU2RefAddrDieDG.getAttributeValueAsReference(DW_AT_type)
- .getValueOr(-1ULL),
- CU2TypeDieDG.getOffset());
+ EXPECT_EQ(CU2TypeDieDG.getOffset(),
+ toReference(CU1ToCU2RefAddrDieDG.find(DW_AT_type), -1ULL));
// Verify the sibling of the base type DIE is our Ref1 DIE and that its
// DW_AT_type points to our base type DIE.
auto CU2Ref1DieDG = CU2TypeDieDG.getSibling();
EXPECT_TRUE(CU2Ref1DieDG.isValid());
EXPECT_EQ(CU2Ref1DieDG.getTag(), DW_TAG_variable);
- EXPECT_EQ(
- CU2Ref1DieDG.getAttributeValueAsReference(DW_AT_type).getValueOr(-1ULL),
- CU2TypeDieDG.getOffset());
+ EXPECT_EQ(CU2TypeDieDG.getOffset(),
+ toReference(CU2Ref1DieDG.find(DW_AT_type), -1ULL));
// Verify the sibling is our Ref2 DIE and that its DW_AT_type points to our
// base type DIE in CU2.
auto CU2Ref2DieDG = CU2Ref1DieDG.getSibling();
EXPECT_TRUE(CU2Ref2DieDG.isValid());
EXPECT_EQ(CU2Ref2DieDG.getTag(), DW_TAG_variable);
- EXPECT_EQ(
- CU2Ref2DieDG.getAttributeValueAsReference(DW_AT_type).getValueOr(-1ULL),
- CU2TypeDieDG.getOffset());
+ EXPECT_EQ(CU2TypeDieDG.getOffset(),
+ toReference(CU2Ref2DieDG.find(DW_AT_type), -1ULL));
// Verify the sibling is our Ref4 DIE and that its DW_AT_type points to our
// base type DIE in CU2.
auto CU2Ref4DieDG = CU2Ref2DieDG.getSibling();
EXPECT_TRUE(CU2Ref4DieDG.isValid());
EXPECT_EQ(CU2Ref4DieDG.getTag(), DW_TAG_variable);
- EXPECT_EQ(
- CU2Ref4DieDG.getAttributeValueAsReference(DW_AT_type).getValueOr(-1ULL),
- CU2TypeDieDG.getOffset());
+ EXPECT_EQ(CU2TypeDieDG.getOffset(),
+ toReference(CU2Ref4DieDG.find(DW_AT_type), -1ULL));
// Verify the sibling is our Ref8 DIE and that its DW_AT_type points to our
// base type DIE in CU2.
auto CU2Ref8DieDG = CU2Ref4DieDG.getSibling();
EXPECT_TRUE(CU2Ref8DieDG.isValid());
EXPECT_EQ(CU2Ref8DieDG.getTag(), DW_TAG_variable);
- EXPECT_EQ(
- CU2Ref8DieDG.getAttributeValueAsReference(DW_AT_type).getValueOr(-1ULL),
- CU2TypeDieDG.getOffset());
+ EXPECT_EQ(CU2TypeDieDG.getOffset(),
+ toReference(CU2Ref8DieDG.find(DW_AT_type), -1ULL));
// Verify the sibling is our RefAddr DIE and that its DW_AT_type points to our
// base type DIE in CU2.
auto CU2RefAddrDieDG = CU2Ref8DieDG.getSibling();
EXPECT_TRUE(CU2RefAddrDieDG.isValid());
EXPECT_EQ(CU2RefAddrDieDG.getTag(), DW_TAG_variable);
- EXPECT_EQ(CU2RefAddrDieDG.getAttributeValueAsReference(DW_AT_type)
- .getValueOr(-1ULL),
- CU2TypeDieDG.getOffset());
+ EXPECT_EQ(CU2TypeDieDG.getOffset(),
+ toReference(CU2RefAddrDieDG.find(DW_AT_type), -1ULL));
// Verify the sibling of the Ref4 DIE is our RefAddr DIE and that its
// DW_AT_type points to our base type DIE.
auto CU2ToCU1RefAddrDieDG = CU2RefAddrDieDG.getSibling();
EXPECT_TRUE(CU2ToCU1RefAddrDieDG.isValid());
EXPECT_EQ(CU2ToCU1RefAddrDieDG.getTag(), DW_TAG_variable);
- EXPECT_EQ(CU2ToCU1RefAddrDieDG.getAttributeValueAsReference(DW_AT_type)
- .getValueOr(-1ULL),
- CU1TypeDieDG.getOffset());
+ EXPECT_EQ(CU1TypeDieDG.getOffset(),
+ toReference(CU2ToCU1RefAddrDieDG.find(DW_AT_type), -1ULL));
}
TEST(DWARFDebugInfo, TestDWARF32Version2Addr4References) {
auto SubprogramDieNoPC = DieDG.getFirstChild();
EXPECT_TRUE(SubprogramDieNoPC.isValid());
EXPECT_EQ(SubprogramDieNoPC.getTag(), DW_TAG_subprogram);
- OptU64 = SubprogramDieNoPC.getAttributeValueAsAddress(DW_AT_low_pc);
+ OptU64 = toAddress(SubprogramDieNoPC.find(DW_AT_low_pc));
EXPECT_FALSE((bool)OptU64);
- OptU64 = SubprogramDieNoPC.getAttributeValueAsAddress(DW_AT_high_pc);
+ OptU64 = toAddress(SubprogramDieNoPC.find(DW_AT_high_pc));
EXPECT_FALSE((bool)OptU64);
EXPECT_FALSE(SubprogramDieNoPC.getLowAndHighPC(LowPC, HighPC));
- OptU64 = SubprogramDieNoPC.getAttributeValueAsAddress(DW_AT_high_pc);
+ OptU64 = toAddress(SubprogramDieNoPC.find(DW_AT_high_pc));
EXPECT_FALSE((bool)OptU64);
- OptU64 = SubprogramDieNoPC.getAttributeValueAsUnsignedConstant(DW_AT_high_pc);
+ OptU64 = toUnsigned(SubprogramDieNoPC.find(DW_AT_high_pc));
EXPECT_FALSE((bool)OptU64);
OptU64 = SubprogramDieNoPC.getHighPC(ActualLowPC);
EXPECT_FALSE((bool)OptU64);
auto SubprogramDieLowPC = SubprogramDieNoPC.getSibling();
EXPECT_TRUE(SubprogramDieLowPC.isValid());
EXPECT_EQ(SubprogramDieLowPC.getTag(), DW_TAG_subprogram);
- OptU64 = SubprogramDieLowPC.getAttributeValueAsAddress(DW_AT_low_pc);
+ OptU64 = toAddress(SubprogramDieLowPC.find(DW_AT_low_pc));
EXPECT_TRUE((bool)OptU64);
EXPECT_EQ(OptU64.getValue(), ActualLowPC);
- OptU64 = SubprogramDieLowPC.getAttributeValueAsAddress(DW_AT_high_pc);
+ OptU64 = toAddress(SubprogramDieLowPC.find(DW_AT_high_pc));
EXPECT_FALSE((bool)OptU64);
- OptU64 = SubprogramDieLowPC.getAttributeValueAsUnsignedConstant(DW_AT_high_pc);
+ OptU64 = toUnsigned(SubprogramDieLowPC.find(DW_AT_high_pc));
EXPECT_FALSE((bool)OptU64);
OptU64 = SubprogramDieLowPC.getHighPC(ActualLowPC);
EXPECT_FALSE((bool)OptU64);
auto SubprogramDieLowHighPC = SubprogramDieLowPC.getSibling();
EXPECT_TRUE(SubprogramDieLowHighPC.isValid());
EXPECT_EQ(SubprogramDieLowHighPC.getTag(), DW_TAG_subprogram);
- OptU64 = SubprogramDieLowHighPC.getAttributeValueAsAddress(DW_AT_low_pc);
+ OptU64 = toAddress(SubprogramDieLowHighPC.find(DW_AT_low_pc));
EXPECT_TRUE((bool)OptU64);
EXPECT_EQ(OptU64.getValue(), ActualLowPC);
// Get the high PC as an address. This should succeed if the high PC was
// encoded as an address and fail if the high PC was encoded as an offset.
- OptU64 = SubprogramDieLowHighPC.getAttributeValueAsAddress(DW_AT_high_pc);
+ OptU64 = toAddress(SubprogramDieLowHighPC.find(DW_AT_high_pc));
if (SupportsHighPCAsOffset) {
EXPECT_FALSE((bool)OptU64);
} else {
}
// Get the high PC as an unsigned constant. This should succeed if the high PC
// was encoded as an offset and fail if the high PC was encoded as an address.
- OptU64 = SubprogramDieLowHighPC.getAttributeValueAsUnsignedConstant(
- DW_AT_high_pc);
+ OptU64 = toUnsigned(SubprogramDieLowHighPC.find(DW_AT_high_pc));
if (SupportsHighPCAsOffset) {
EXPECT_TRUE((bool)OptU64);
EXPECT_EQ(OptU64.getValue(), ActualHighPCOffset);
EXPECT_EQ(E, ++I);
}
+TEST(DWARFDebugInfo, TestFindRecurse) {
+ uint16_t Version = 4;
+
+ const uint8_t AddrSize = sizeof(void *);
+ initLLVMIfNeeded();
+ Triple Triple = getHostTripleForAddrSize(AddrSize);
+ auto ExpectedDG = dwarfgen::Generator::create(Triple, Version);
+ if (HandleExpectedError(ExpectedDG))
+ return;
+ dwarfgen::Generator *DG = ExpectedDG.get().get();
+ dwarfgen::CompileUnit &CU = DG->addCompileUnit();
+
+ StringRef SpecDieName("spec");
+ StringRef AbsDieName("abs");
+ // Scope to allow us to re-use the same DIE names
+ {
+ // Create a compile unit DIE that has an abbreviation that says it has
+ // children, but doesn't have any actual attributes. This helps us test
+ // a DIE that has only one child: a NULL DIE.
+ auto CUDie = CU.getUnitDIE();
+ auto FuncSpecDie = CUDie.addChild(DW_TAG_subprogram);
+ auto FuncDie = CUDie.addChild(DW_TAG_subprogram);
+ auto VarAbsDie = CUDie.addChild(DW_TAG_variable);
+ auto VarDie = CUDie.addChild(DW_TAG_variable);
+ FuncSpecDie.addAttribute(DW_AT_name, DW_FORM_strp, SpecDieName);
+ FuncDie.addAttribute(DW_AT_specification, DW_FORM_ref4, FuncSpecDie);
+ VarAbsDie.addAttribute(DW_AT_name, DW_FORM_strp, AbsDieName);
+ VarDie.addAttribute(DW_AT_abstract_origin, DW_FORM_ref4, VarAbsDie);
+ }
+
+ MemoryBufferRef FileBuffer(DG->generate(), "dwarf");
+ auto Obj = object::ObjectFile::createObjectFile(FileBuffer);
+ EXPECT_TRUE((bool)Obj);
+ DWARFContextInMemory DwarfContext(*Obj.get());
+
+ // Verify the number of compile units is correct.
+ uint32_t NumCUs = DwarfContext.getNumCompileUnits();
+ EXPECT_EQ(NumCUs, 1u);
+ DWARFCompileUnit *U = DwarfContext.getCompileUnitAtIndex(0);
+
+ // Get the compile unit DIE is valid.
+ auto CUDie = U->getUnitDIE(false);
+ EXPECT_TRUE(CUDie.isValid());
+
+ auto FuncSpecDie = CUDie.getFirstChild();
+ auto FuncDie = FuncSpecDie.getSibling();
+ auto VarAbsDie = FuncDie.getSibling();
+ auto VarDie = VarAbsDie.getSibling();
+
+ // Make sure we can't extract the name from the specification die when using
+ // DWARFDie::find() since it won't check the DW_AT_specification DIE.
+ EXPECT_FALSE(FuncDie.find(DW_AT_name).hasValue());
+
+ // Make sure we can extract the name from the specification die when using
+ // DWARFDie::findRecursively() since it should recurse through the
+ // DW_AT_specification DIE.
+ auto NameOpt = FuncDie.findRecursively(DW_AT_name);
+ EXPECT_TRUE(NameOpt.hasValue());
+ // Test the dwarf::toString() helper function.
+ auto StringOpt = toString(NameOpt);
+ EXPECT_TRUE(StringOpt.hasValue());
+ EXPECT_EQ(SpecDieName, StringOpt.getValueOr(nullptr));
+ // Test the dwarf::toString() helper function with a default value specified.
+ EXPECT_EQ(SpecDieName, toString(NameOpt, nullptr));
+
+ // Make sure we can't extract the name from the abstract origin die when using
+ // DWARFDie::find() since it won't check the DW_AT_abstract_origin DIE.
+ EXPECT_FALSE(VarDie.find(DW_AT_name).hasValue());
+
+ // Make sure we can extract the name from the abstract origin die when using
+ // DWARFDie::findRecursively() since it should recurse through the
+ // DW_AT_abstract_origin DIE.
+ NameOpt = VarDie.findRecursively(DW_AT_name);
+ EXPECT_TRUE(NameOpt.hasValue());
+ // Test the dwarf::toString() helper function.
+ StringOpt = toString(NameOpt);
+ EXPECT_TRUE(StringOpt.hasValue());
+ EXPECT_EQ(AbsDieName, StringOpt.getValueOr(nullptr));
+ // Test the dwarf::toString() helper function with a default value specified.
+ EXPECT_EQ(AbsDieName, toString(NameOpt, nullptr));
+}
+
+TEST(DWARFDebugInfo, TestDwarfToFunctions) {
+ // Test all of the dwarf::toXXX functions that take a
+ // Optional<DWARFFormValue> and extract the values from it.
+ DWARFFormValue FormVal;
+ uint64_t InvalidU64 = 0xBADBADBADBADBADB;
+ int64_t InvalidS64 = 0xBADBADBADBADBADB;
+ // First test that we don't get valid values back when using an optional with
+ // no value.
+ Optional<DWARFFormValue> FormValOpt;
+ EXPECT_FALSE(toString(FormValOpt).hasValue());
+ EXPECT_FALSE(toUnsigned(FormValOpt).hasValue());
+ EXPECT_FALSE(toReference(FormValOpt).hasValue());
+ EXPECT_FALSE(toSigned(FormValOpt).hasValue());
+ EXPECT_FALSE(toAddress(FormValOpt).hasValue());
+ EXPECT_FALSE(toSectionOffset(FormValOpt).hasValue());
+ EXPECT_FALSE(toBlock(FormValOpt).hasValue());
+ EXPECT_EQ(nullptr, toString(FormValOpt, nullptr));
+ EXPECT_EQ(InvalidU64, toUnsigned(FormValOpt, InvalidU64));
+ EXPECT_EQ(InvalidU64, toReference(FormValOpt, InvalidU64));
+ EXPECT_EQ(InvalidU64, toAddress(FormValOpt, InvalidU64));
+ EXPECT_EQ(InvalidU64, toSectionOffset(FormValOpt, InvalidU64));
+ EXPECT_EQ(InvalidS64, toSigned(FormValOpt, InvalidS64));
+
+
+ // Test successful and unsuccessful address decoding.
+ uint64_t Address = 0x100000000ULL;
+ FormVal.setForm(DW_FORM_addr);
+ FormVal.setUValue(Address);
+ FormValOpt = FormVal;
+
+ EXPECT_FALSE(toString(FormValOpt).hasValue());
+ EXPECT_FALSE(toUnsigned(FormValOpt).hasValue());
+ EXPECT_FALSE(toReference(FormValOpt).hasValue());
+ EXPECT_FALSE(toSigned(FormValOpt).hasValue());
+ EXPECT_TRUE(toAddress(FormValOpt).hasValue());
+ EXPECT_FALSE(toSectionOffset(FormValOpt).hasValue());
+ EXPECT_FALSE(toBlock(FormValOpt).hasValue());
+ EXPECT_EQ(nullptr, toString(FormValOpt, nullptr));
+ EXPECT_EQ(InvalidU64, toUnsigned(FormValOpt, InvalidU64));
+ EXPECT_EQ(InvalidU64, toReference(FormValOpt, InvalidU64));
+ EXPECT_EQ(Address, toAddress(FormValOpt, InvalidU64));
+ EXPECT_EQ(InvalidU64, toSectionOffset(FormValOpt, InvalidU64));
+ EXPECT_EQ(InvalidS64, toSigned(FormValOpt, InvalidU64));
+
+ // Test successful and unsuccessful unsigned constant decoding.
+ uint64_t UData8 = 0x1020304050607080ULL;
+ FormVal.setForm(DW_FORM_udata);
+ FormVal.setUValue(UData8);
+ FormValOpt = FormVal;
+
+ EXPECT_FALSE(toString(FormValOpt).hasValue());
+ EXPECT_TRUE(toUnsigned(FormValOpt).hasValue());
+ EXPECT_FALSE(toReference(FormValOpt).hasValue());
+ EXPECT_TRUE(toSigned(FormValOpt).hasValue());
+ EXPECT_FALSE(toAddress(FormValOpt).hasValue());
+ EXPECT_FALSE(toSectionOffset(FormValOpt).hasValue());
+ EXPECT_FALSE(toBlock(FormValOpt).hasValue());
+ EXPECT_EQ(nullptr, toString(FormValOpt, nullptr));
+ EXPECT_EQ(UData8, toUnsigned(FormValOpt, InvalidU64));
+ EXPECT_EQ(InvalidU64, toReference(FormValOpt, InvalidU64));
+ EXPECT_EQ(InvalidU64, toAddress(FormValOpt, InvalidU64));
+ EXPECT_EQ(InvalidU64, toSectionOffset(FormValOpt, InvalidU64));
+ EXPECT_EQ((int64_t)UData8, toSigned(FormValOpt, InvalidU64));
+
+ // Test successful and unsuccessful reference decoding.
+ uint32_t RefData = 0x11223344U;
+ FormVal.setForm(DW_FORM_ref_addr);
+ FormVal.setUValue(RefData);
+ FormValOpt = FormVal;
+
+ EXPECT_FALSE(toString(FormValOpt).hasValue());
+ EXPECT_FALSE(toUnsigned(FormValOpt).hasValue());
+ EXPECT_TRUE(toReference(FormValOpt).hasValue());
+ EXPECT_FALSE(toSigned(FormValOpt).hasValue());
+ EXPECT_FALSE(toAddress(FormValOpt).hasValue());
+ EXPECT_FALSE(toSectionOffset(FormValOpt).hasValue());
+ EXPECT_FALSE(toBlock(FormValOpt).hasValue());
+ EXPECT_EQ(nullptr, toString(FormValOpt, nullptr));
+ EXPECT_EQ(InvalidU64, toUnsigned(FormValOpt, InvalidU64));
+ EXPECT_EQ(RefData, toReference(FormValOpt, InvalidU64));
+ EXPECT_EQ(InvalidU64, toAddress(FormValOpt, InvalidU64));
+ EXPECT_EQ(InvalidU64, toSectionOffset(FormValOpt, InvalidU64));
+ EXPECT_EQ(InvalidS64, toSigned(FormValOpt, InvalidU64));
+
+ // Test successful and unsuccessful signed constant decoding.
+ int64_t SData8 = 0x1020304050607080ULL;
+ FormVal.setForm(DW_FORM_udata);
+ FormVal.setSValue(SData8);
+ FormValOpt = FormVal;
+
+ EXPECT_FALSE(toString(FormValOpt).hasValue());
+ EXPECT_TRUE(toUnsigned(FormValOpt).hasValue());
+ EXPECT_FALSE(toReference(FormValOpt).hasValue());
+ EXPECT_TRUE(toSigned(FormValOpt).hasValue());
+ EXPECT_FALSE(toAddress(FormValOpt).hasValue());
+ EXPECT_FALSE(toSectionOffset(FormValOpt).hasValue());
+ EXPECT_FALSE(toBlock(FormValOpt).hasValue());
+ EXPECT_EQ(nullptr, toString(FormValOpt, nullptr));
+ EXPECT_EQ((uint64_t)SData8, toUnsigned(FormValOpt, InvalidU64));
+ EXPECT_EQ(InvalidU64, toReference(FormValOpt, InvalidU64));
+ EXPECT_EQ(InvalidU64, toAddress(FormValOpt, InvalidU64));
+ EXPECT_EQ(InvalidU64, toSectionOffset(FormValOpt, InvalidU64));
+ EXPECT_EQ(SData8, toSigned(FormValOpt, InvalidU64));
+
+ // Test successful and unsuccessful block decoding.
+ uint8_t Data[] = { 2, 3, 4 };
+ ArrayRef<uint8_t> Array(Data);
+ FormVal.setForm(DW_FORM_block1);
+ FormVal.setBlockValue(Array);
+ FormValOpt = FormVal;
+
+ EXPECT_FALSE(toString(FormValOpt).hasValue());
+ EXPECT_FALSE(toUnsigned(FormValOpt).hasValue());
+ EXPECT_FALSE(toReference(FormValOpt).hasValue());
+ EXPECT_FALSE(toSigned(FormValOpt).hasValue());
+ EXPECT_FALSE(toAddress(FormValOpt).hasValue());
+ EXPECT_FALSE(toSectionOffset(FormValOpt).hasValue());
+ auto BlockOpt = toBlock(FormValOpt);
+ EXPECT_TRUE(BlockOpt.hasValue());
+ EXPECT_EQ(*BlockOpt, Array);
+ EXPECT_EQ(nullptr, toString(FormValOpt, nullptr));
+ EXPECT_EQ(InvalidU64, toUnsigned(FormValOpt, InvalidU64));
+ EXPECT_EQ(InvalidU64, toReference(FormValOpt, InvalidU64));
+ EXPECT_EQ(InvalidU64, toAddress(FormValOpt, InvalidU64));
+ EXPECT_EQ(InvalidU64, toSectionOffset(FormValOpt, InvalidU64));
+ EXPECT_EQ(InvalidS64, toSigned(FormValOpt, InvalidU64));
+
+ // Test
+}
+
} // end anonymous namespace
projects / llvm / commitdiff