[llvm] r337980 - [dsymutil] Add support for generating DWARF5 accelerator tables.
Jonas Devlieghere via llvm-commits
llvm-commits at lists.llvm.org
Wed Jul 25 16:01:39 PDT 2018
Author: jdevlieghere
Date: Wed Jul 25 16:01:38 2018
New Revision: 337980
URL: http://llvm.org/viewvc/llvm-project?rev=337980&view=rev
Log:
[dsymutil] Add support for generating DWARF5 accelerator tables.
This patch add support for emitting DWARF5 accelerator tables
(.debug_names) from dsymutil. Just as with the Apple style accelerator
tables, it's possible to update existing dSYMs. This patch includes a
test that show how you can convert back and forth between the two types.
If no kind of table is specified, dsymutil will default to generating
Apple-style accelerator tables whenever it finds those in its input. The
same is true when there are no accelerator tables at all. Finally, in
the remaining case, where there's at least one DWARF v5 table and no
Apple ones, the output will contains a DWARF accelerator tables
(.debug_names).
Differential revision: https://reviews.llvm.org/D49137
Added:
llvm/trunk/test/tools/dsymutil/X86/accelerator.test
Modified:
llvm/trunk/test/tools/dsymutil/cmdline.test
llvm/trunk/tools/dsymutil/DwarfLinker.cpp
llvm/trunk/tools/dsymutil/DwarfLinker.h
llvm/trunk/tools/dsymutil/DwarfStreamer.cpp
llvm/trunk/tools/dsymutil/DwarfStreamer.h
llvm/trunk/tools/dsymutil/LinkUtils.h
llvm/trunk/tools/dsymutil/dsymutil.cpp
Added: llvm/trunk/test/tools/dsymutil/X86/accelerator.test
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/tools/dsymutil/X86/accelerator.test?rev=337980&view=auto
==============================================================================
--- llvm/trunk/test/tools/dsymutil/X86/accelerator.test (added)
+++ llvm/trunk/test/tools/dsymutil/X86/accelerator.test Wed Jul 25 16:01:38 2018
@@ -0,0 +1,38 @@
+RUN: dsymutil -accelerator=Dwarf -oso-prepend-path=%p/.. %p/../Inputs/basic.macho.x86_64 -o %t.dwarf.dSYM
+RUN: dsymutil -accelerator=Apple -oso-prepend-path=%p/.. %p/../Inputs/basic.macho.x86_64 -o %t.apple.dSYM
+
+RUN: llvm-dwarfdump -verify %t.dwarf.dSYM
+RUN: llvm-dwarfdump -verify %t.apple.dSYM
+
+RUN: llvm-dwarfdump -debug-names %t.dwarf.dSYM | FileCheck %s -check-prefix=NAMES -check-prefix=DWARF
+RUN: llvm-dwarfdump -apple-names -apple-namespaces -apple-types %t.apple.dSYM | FileCheck %s -check-prefix=NAMES -check-prefix=APPLE
+
+RUN: dsymutil -update -accelerator=Dwarf %t.apple.dSYM -o %t.dwarf.updated.dSYM
+RUN: dsymutil -update -accelerator=Apple %t.dwarf.dSYM -o %t.apple.updated.dSYM
+
+RUN: llvm-dwarfdump -verify %t.dwarf.updated.dSYM
+RUN: llvm-dwarfdump -verify %t.apple.updated.dSYM
+
+RUN: llvm-dwarfdump -debug-names %t.dwarf.updated.dSYM | FileCheck %s -check-prefix=NAMES -check-prefix=DWARF
+RUN: llvm-dwarfdump -apple-names -apple-namespaces -apple-types %t.apple.updated.dSYM | FileCheck %s -check-prefix=NAMES -check-prefix=APPLE
+
+DWARF: .debug_names contents:
+DWARF: Compilation Unit offsets [
+DWARF: CU[0]
+DWARF: CU[1]
+DWARF: CU[2]
+DWARF: ]
+
+APPLE-DAG: .apple_names contents:
+APPLE-DAG: .apple_types contents:
+APPLE-DAG: .apple_namespaces contents:
+
+NAMES-DAG: "private_int"
+NAMES-DAG: "baz"
+NAMES-DAG: "int"
+NAMES-DAG: "bar"
+NAMES-DAG: "foo"
+NAMES-DAG: "inc"
+NAMES-DAG: "val"
+NAMES-DAG: "main"
+NAMES-DAG: "char"
Modified: llvm/trunk/test/tools/dsymutil/cmdline.test
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/tools/dsymutil/cmdline.test?rev=337980&r1=337979&r2=337980&view=diff
==============================================================================
--- llvm/trunk/test/tools/dsymutil/cmdline.test (original)
+++ llvm/trunk/test/tools/dsymutil/cmdline.test Wed Jul 25 16:01:38 2018
@@ -5,6 +5,7 @@ HELP-NOT: -reverse-iterate
HELP: Color Options
HELP: -color
HELP: Specific Options:
+HELP: -accelerator
HELP: -arch=<arch>
HELP: -dump-debug-map
HELP: -flat
Modified: llvm/trunk/tools/dsymutil/DwarfLinker.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/dsymutil/DwarfLinker.cpp?rev=337980&r1=337979&r2=337980&view=diff
==============================================================================
--- llvm/trunk/tools/dsymutil/DwarfLinker.cpp (original)
+++ llvm/trunk/tools/dsymutil/DwarfLinker.cpp Wed Jul 25 16:01:38 2018
@@ -321,6 +321,7 @@ void DwarfLinker::startDebugObject(LinkC
void DwarfLinker::endDebugObject(LinkContext &Context) {
Context.Clear();
+
for (auto I = DIEBlocks.begin(), E = DIEBlocks.end(); I != E; ++I)
(*I)->~DIEBlock();
for (auto I = DIELocs.begin(), E = DIELocs.end(); I != E; ++I)
@@ -1746,6 +1747,20 @@ void DwarfLinker::patchLineTableForUnit(
}
void DwarfLinker::emitAcceleratorEntriesForUnit(CompileUnit &Unit) {
+ switch (Options.TheAccelTableKind) {
+ case AccelTableKind::Apple:
+ emitAppleAcceleratorEntriesForUnit(Unit);
+ break;
+ case AccelTableKind::Dwarf:
+ emitDwarfAcceleratorEntriesForUnit(Unit);
+ break;
+ case AccelTableKind::Default:
+ llvm_unreachable("The default must be updated to a concrete value.");
+ break;
+ }
+}
+
+void DwarfLinker::emitAppleAcceleratorEntriesForUnit(CompileUnit &Unit) {
// Add namespaces.
for (const auto &Namespace : Unit.getNamespaces())
AppleNamespaces.addName(Namespace.Name,
@@ -1774,6 +1789,18 @@ void DwarfLinker::emitAcceleratorEntries
AppleObjc.addName(ObjC.Name, ObjC.Die->getOffset() + Unit.getStartOffset());
}
+void DwarfLinker::emitDwarfAcceleratorEntriesForUnit(CompileUnit &Unit) {
+ for (const auto &Namespace : Unit.getNamespaces())
+ DebugNames.addName(Namespace.Name, Namespace.Die->getOffset(),
+ Namespace.Die->getTag(), Unit.getUniqueID());
+ for (const auto &Pubname : Unit.getPubnames())
+ DebugNames.addName(Pubname.Name, Pubname.Die->getOffset(),
+ Pubname.Die->getTag(), Unit.getUniqueID());
+ for (const auto &Pubtype : Unit.getPubtypes())
+ DebugNames.addName(Pubtype.Name, Pubtype.Die->getOffset(),
+ Pubtype.Die->getTag(), Unit.getUniqueID());
+}
+
/// Read the frame info stored in the object, and emit the
/// patched frame descriptions for the linked binary.
///
@@ -2063,9 +2090,9 @@ Error DwarfLinker::loadClangModule(Strin
// Setup access to the debug info.
auto DwarfContext = DWARFContext::create(*ErrOrObj);
RelocationManager RelocMgr(*this);
- for (const auto &CU : DwarfContext->compile_units()) {
- maybeUpdateMaxDwarfVersion(CU->getVersion());
+ for (const auto &CU : DwarfContext->compile_units()) {
+ updateDwarfVersion(CU->getVersion());
// Recursively get all modules imported by this one.
auto CUDie = CU->getUnitDIE(false);
if (!CUDie)
@@ -2172,6 +2199,26 @@ void DwarfLinker::DIECloner::cloneAllCom
}
}
+void DwarfLinker::updateAccelKind(DWARFContext &Dwarf) {
+ if (Options.TheAccelTableKind != AccelTableKind::Default)
+ return;
+
+ auto &DwarfObj = Dwarf.getDWARFObj();
+
+ if (!AtLeastOneDwarfAccelTable &&
+ (!DwarfObj.getAppleNamesSection().Data.empty() ||
+ !DwarfObj.getAppleTypesSection().Data.empty() ||
+ !DwarfObj.getAppleNamespacesSection().Data.empty() ||
+ !DwarfObj.getAppleObjCSection().Data.empty())) {
+ AtLeastOneAppleAccelTable = true;
+ }
+
+ if (!AtLeastOneDwarfAccelTable &&
+ !DwarfObj.getDebugNamesSection().Data.empty()) {
+ AtLeastOneDwarfAccelTable = true;
+ }
+}
+
bool DwarfLinker::emitPaperTrailWarnings(const DebugMapObject &DMO,
const DebugMap &Map,
OffsetsStringPool &StringPool) {
@@ -2245,8 +2292,12 @@ bool DwarfLinker::link(const DebugMap &M
unsigned NumObjects = Map.getNumberOfObjects();
std::vector<LinkContext> ObjectContexts;
ObjectContexts.reserve(NumObjects);
- for (const auto &Obj : Map.objects())
+ for (const auto &Obj : Map.objects()) {
ObjectContexts.emplace_back(Map, *this, *Obj.get());
+ LinkContext &LC = ObjectContexts.back();
+ if (LC.ObjectFile)
+ updateAccelKind(*LC.DwarfContext);
+ }
// This Dwarf string pool which is only used for uniquing. This one should
// never be used for offsets as its not thread-safe or predictable.
@@ -2260,6 +2311,19 @@ bool DwarfLinker::link(const DebugMap &M
// ODR Contexts for the link.
DeclContextTree ODRContexts;
+ // If we haven't decided on an accelerator table kind yet, we base ourselves
+ // on the DWARF we have seen so far. At this point we haven't pulled in debug
+ // information from modules yet, so it is technically possible that they
+ // would affect the decision. However, as they're built with the same
+ // compiler and flags, it is safe to assume that they will follow the
+ // decision made here.
+ if (Options.TheAccelTableKind == AccelTableKind::Default) {
+ if (AtLeastOneDwarfAccelTable && !AtLeastOneAppleAccelTable)
+ Options.TheAccelTableKind = AccelTableKind::Dwarf;
+ else
+ Options.TheAccelTableKind = AccelTableKind::Apple;
+ }
+
for (LinkContext &LinkContext : ObjectContexts) {
if (Options.Verbose)
outs() << "DEBUG MAP OBJECT: " << LinkContext.DMO.getObjectFilename()
@@ -2325,7 +2389,9 @@ bool DwarfLinker::link(const DebugMap &M
// In a first phase, just read in the debug info and load all clang modules.
LinkContext.CompileUnits.reserve(
LinkContext.DwarfContext->getNumCompileUnits());
+
for (const auto &CU : LinkContext.DwarfContext->compile_units()) {
+ updateDwarfVersion(CU->getVersion());
auto CUDie = CU->getUnitDIE(false);
if (Options.Verbose) {
outs() << "Input compilation unit:";
@@ -2341,13 +2407,11 @@ bool DwarfLinker::link(const DebugMap &M
UniquingStringPool, ODRContexts, UnitID)) {
LinkContext.CompileUnits.push_back(llvm::make_unique<CompileUnit>(
*CU, UnitID++, !Options.NoODR && !Options.Update, ""));
- maybeUpdateMaxDwarfVersion(CU->getVersion());
}
}
}
- // If we haven't seen any CUs, pick an arbitrary valid Dwarf version anyway,
- // to be able to emit papertrail warnings.
+ // If we haven't seen any CUs, pick an arbitrary valid Dwarf version anyway.
if (MaxDwarfVersion == 0)
MaxDwarfVersion = 3;
@@ -2444,10 +2508,20 @@ bool DwarfLinker::link(const DebugMap &M
if (!Options.NoOutput) {
Streamer->emitAbbrevs(Abbreviations, MaxDwarfVersion);
Streamer->emitStrings(OffsetsStringPool);
- Streamer->emitAppleNames(AppleNames);
- Streamer->emitAppleNamespaces(AppleNamespaces);
- Streamer->emitAppleTypes(AppleTypes);
- Streamer->emitAppleObjc(AppleObjc);
+ switch (Options.TheAccelTableKind) {
+ case AccelTableKind::Apple:
+ Streamer->emitAppleNames(AppleNames);
+ Streamer->emitAppleNamespaces(AppleNamespaces);
+ Streamer->emitAppleTypes(AppleTypes);
+ Streamer->emitAppleObjc(AppleObjc);
+ break;
+ case AccelTableKind::Dwarf:
+ Streamer->emitDebugNames(DebugNames);
+ break;
+ case AccelTableKind::Default:
+ llvm_unreachable("Default should have already been resolved.");
+ break;
+ }
}
};
@@ -2465,7 +2539,7 @@ bool DwarfLinker::link(const DebugMap &M
}
return Options.NoOutput ? true : Streamer->finish(Map);
-}
+} // namespace dsymutil
bool linkDwarf(raw_fd_ostream &OutFile, BinaryHolder &BinHolder,
const DebugMap &DM, const LinkOptions &Options) {
Modified: llvm/trunk/tools/dsymutil/DwarfLinker.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/dsymutil/DwarfLinker.h?rev=337980&r1=337979&r2=337980&view=diff
==============================================================================
--- llvm/trunk/tools/dsymutil/DwarfLinker.h (original)
+++ llvm/trunk/tools/dsymutil/DwarfLinker.h Wed Jul 25 16:01:38 2018
@@ -67,12 +67,15 @@ public:
const DWARFDie *DIE = nullptr) const;
private:
- /// Remembers the newest DWARF version we've seen in a unit.
- void maybeUpdateMaxDwarfVersion(unsigned Version) {
- if (MaxDwarfVersion < Version)
- MaxDwarfVersion = Version;
+ /// Remembers the oldest and newest DWARF version we've seen in a unit.
+ void updateDwarfVersion(unsigned Version) {
+ MaxDwarfVersion = std::max(MaxDwarfVersion, Version);
+ MinDwarfVersion = std::min(MinDwarfVersion, Version);
}
+ /// Remembers the kinds of accelerator tables we've seen in a unit.
+ void updateAccelKind(DWARFContext &Dwarf);
+
/// Emit warnings as Dwarf compile units to leave a trail after linking.
bool emitPaperTrailWarnings(const DebugMapObject &DMO, const DebugMap &Map,
OffsetsStringPool &StringPool);
@@ -158,8 +161,10 @@ private:
DwarfContext = ObjectFile ? DWARFContext::create(*ObjectFile) : nullptr;
}
- /// Clear compile units and ranges.
+ /// Clear part of the context that's no longer needed when we're done with
+ /// the debug object.
void Clear() {
+ DwarfContext.reset(nullptr);
CompileUnits.clear();
Ranges.clear();
}
@@ -411,6 +416,8 @@ private:
/// Emit the accelerator entries for \p Unit.
void emitAcceleratorEntriesForUnit(CompileUnit &Unit);
+ void emitDwarfAcceleratorEntriesForUnit(CompileUnit &Unit);
+ void emitAppleAcceleratorEntriesForUnit(CompileUnit &Unit);
/// Patch the frame info for an object file and emit it.
void patchFrameInfoForObject(const DebugMapObject &, RangesTy &Ranges,
@@ -449,7 +456,12 @@ private:
LinkOptions Options;
std::unique_ptr<DwarfStreamer> Streamer;
uint64_t OutputDebugInfoSize;
+
unsigned MaxDwarfVersion = 0;
+ unsigned MinDwarfVersion = std::numeric_limits<unsigned>::max();
+
+ bool AtLeastOneAppleAccelTable = false;
+ bool AtLeastOneDwarfAccelTable = false;
/// The CIEs that have been emitted in the output section. The actual CIE
/// data serves a the key to this StringMap, this takes care of comparing the
@@ -461,6 +473,7 @@ private:
uint32_t LastCIEOffset = 0;
/// Apple accelerator tables.
+ AccelTable<DWARF5AccelTableStaticData> DebugNames;
AccelTable<AppleAccelTableStaticOffsetData> AppleNames;
AccelTable<AppleAccelTableStaticOffsetData> AppleNamespaces;
AccelTable<AppleAccelTableStaticOffsetData> AppleObjc;
Modified: llvm/trunk/tools/dsymutil/DwarfStreamer.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/dsymutil/DwarfStreamer.cpp?rev=337980&r1=337979&r2=337980&view=diff
==============================================================================
--- llvm/trunk/tools/dsymutil/DwarfStreamer.cpp (original)
+++ llvm/trunk/tools/dsymutil/DwarfStreamer.cpp Wed Jul 25 16:01:38 2018
@@ -8,6 +8,7 @@
//===----------------------------------------------------------------------===//
#include "DwarfStreamer.h"
+#include "CompileUnit.h"
#include "LinkUtils.h"
#include "MachOUtils.h"
#include "llvm/ADT/Triple.h"
@@ -165,6 +166,9 @@ void DwarfStreamer::emitCompileUnitHeade
// start of the section.
Asm->emitInt32(0);
Asm->emitInt8(Unit.getOrigUnit().getAddressByteSize());
+
+ // Remember this CU.
+ EmittedUnits.push_back({Unit.getUniqueID(), Unit.getLabelBegin()});
}
/// Emit the \p Abbrevs array as the shared abbreviation table
@@ -197,6 +201,29 @@ void DwarfStreamer::emitStrings(const No
}
}
+void DwarfStreamer::emitDebugNames(
+ AccelTable<DWARF5AccelTableStaticData> &Table) {
+ if (EmittedUnits.empty())
+ return;
+
+ // Build up data structures needed to emit this section.
+ std::vector<MCSymbol *> CompUnits;
+ DenseMap<unsigned, size_t> UniqueIdToCuMap;
+ unsigned Id = 0;
+ for (auto &CU : EmittedUnits) {
+ CompUnits.push_back(CU.LabelBegin);
+ // We might be omitting CUs, so we need to remap them.
+ UniqueIdToCuMap[CU.ID] = Id++;
+ }
+
+ Asm->OutStreamer->SwitchSection(MOFI->getDwarfDebugNamesSection());
+ emitDWARF5AccelTable(
+ Asm.get(), Table, CompUnits,
+ [&UniqueIdToCuMap](const DWARF5AccelTableStaticData &Entry) {
+ return UniqueIdToCuMap[Entry.getCUIndex()];
+ });
+}
+
void DwarfStreamer::emitAppleNamespaces(
AccelTable<AppleAccelTableStaticOffsetData> &Table) {
Asm->OutStreamer->SwitchSection(MOFI->getDwarfAccelNamespaceSection());
Modified: llvm/trunk/tools/dsymutil/DwarfStreamer.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/dsymutil/DwarfStreamer.h?rev=337980&r1=337979&r2=337980&view=diff
==============================================================================
--- llvm/trunk/tools/dsymutil/DwarfStreamer.h (original)
+++ llvm/trunk/tools/dsymutil/DwarfStreamer.h Wed Jul 25 16:01:38 2018
@@ -27,6 +27,7 @@
#include "llvm/MC/MCSection.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSubtargetInfo.h"
+#include "llvm/MC/MCSymbol.h"
#include "llvm/MC/MCTargetOptions.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetOptions.h"
@@ -121,6 +122,9 @@ public:
void emitFDE(uint32_t CIEOffset, uint32_t AddreSize, uint32_t Address,
StringRef Bytes);
+ /// Emit DWARF debug names.
+ void emitDebugNames(AccelTable<DWARF5AccelTableStaticData> &Table);
+
/// Emit Apple namespaces accelerator table.
void emitAppleNamespaces(AccelTable<AppleAccelTableStaticOffsetData> &Table);
@@ -162,6 +166,13 @@ private:
uint32_t LineSectionSize;
uint32_t FrameSectionSize;
+ /// Keep track of emitted CUs and their Unique ID.
+ struct EmittedUnit {
+ unsigned ID;
+ MCSymbol *LabelBegin;
+ };
+ std::vector<EmittedUnit> EmittedUnits;
+
/// Emit the pubnames or pubtypes section contribution for \p
/// Unit into \p Sec. The data is provided in \p Names.
void emitPubSectionForUnit(MCSection *Sec, StringRef Name,
Modified: llvm/trunk/tools/dsymutil/LinkUtils.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/dsymutil/LinkUtils.h?rev=337980&r1=337979&r2=337980&view=diff
==============================================================================
--- llvm/trunk/tools/dsymutil/LinkUtils.h (original)
+++ llvm/trunk/tools/dsymutil/LinkUtils.h Wed Jul 25 16:01:38 2018
@@ -22,6 +22,13 @@ enum class OutputFileType {
Assembly,
};
+/// The kind of accelerator tables we should emit.
+enum class AccelTableKind {
+ Apple, ///< .apple_names, .apple_namespaces, .apple_types, .apple_objc.
+ Dwarf, ///< DWARF v5 .debug_names.
+ Default, ///< Dwarf for DWARF5 or later, Apple otherwise.
+};
+
struct LinkOptions {
/// Verbosity
bool Verbose = false;
@@ -47,6 +54,9 @@ struct LinkOptions {
// Output file type.
OutputFileType FileType = OutputFileType::Object;
+ /// The accelerator table kind
+ AccelTableKind TheAccelTableKind;
+
/// -oso-prepend-path
std::string PrependPath;
Modified: llvm/trunk/tools/dsymutil/dsymutil.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/dsymutil/dsymutil.cpp?rev=337980&r1=337979&r2=337980&view=diff
==============================================================================
--- llvm/trunk/tools/dsymutil/dsymutil.cpp (original)
+++ llvm/trunk/tools/dsymutil/dsymutil.cpp Wed Jul 25 16:01:38 2018
@@ -85,10 +85,10 @@ static alias FlatOutA("f", desc("Alias f
static opt<bool> Minimize(
"minimize",
- desc("When used when creating a dSYM file, this option will suppress\n"
- "the emission of the .debug_inlines, .debug_pubnames, and\n"
- ".debug_pubtypes sections since dsymutil currently has better\n"
- "equivalents: .apple_names and .apple_types. When used in\n"
+ desc("When used when creating a dSYM file with Apple accelerator tables,\n"
+ "this option will suppress the emission of the .debug_inlines, \n"
+ ".debug_pubnames, and .debug_pubtypes sections since dsymutil \n"
+ "has better equivalents: .apple_names and .apple_types. When used in\n"
"conjunction with --update option, this option will cause redundant\n"
"accelerator tables to be removed."),
init(false), cat(DsymCategory));
@@ -97,12 +97,18 @@ static alias MinimizeA("z", desc("Alias
static opt<bool> Update(
"update",
desc("Updates existing dSYM files to contain the latest accelerator\n"
- "tables and other DWARF optimizations. This option will currently\n"
- "add the new .apple_names and .apple_types hashed accelerator\n"
- "tables."),
+ "tables and other DWARF optimizations."),
init(false), cat(DsymCategory));
static alias UpdateA("u", desc("Alias for --update"), aliasopt(Update));
+static cl::opt<AccelTableKind> AcceleratorTable(
+ "accelerator", cl::desc("Output accelerator tables."),
+ cl::values(clEnumValN(AccelTableKind::Default, "Default",
+ "Default for input."),
+ clEnumValN(AccelTableKind::Apple, "Apple", "Apple"),
+ clEnumValN(AccelTableKind::Dwarf, "Dwarf", "DWARF")),
+ cl::init(AccelTableKind::Default), cat(DsymCategory));
+
static opt<unsigned> NumThreads(
"num-threads",
desc("Specifies the maximum number (n) of simultaneous threads to use\n"
@@ -326,6 +332,7 @@ static Expected<LinkOptions> getOptions(
Options.Update = Update;
Options.NoTimestamp = NoTimestamp;
Options.PrependPath = OsoPrependPath;
+ Options.TheAccelTableKind = AcceleratorTable;
if (Assembly)
Options.FileType = OutputFileType::Assembly;
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