[llvm] 4ce1f3d - Emit swift5 reflection section data in dsym bundle generated by dsymutil in the Dwarf section.
Shubham Sandeep Rastogi via llvm-commits
llvm-commits at lists.llvm.org
Fri Jan 28 10:13:24 PST 2022
Author: Shubham Sandeep Rastogi
Date: 2022-01-28T10:13:17-08:00
New Revision: 4ce1f3d47c33daccfb7f4e906c3f57b404900036
URL: https://github.com/llvm/llvm-project/commit/4ce1f3d47c33daccfb7f4e906c3f57b404900036
DIFF: https://github.com/llvm/llvm-project/commit/4ce1f3d47c33daccfb7f4e906c3f57b404900036.diff
LOG: Emit swift5 reflection section data in dsym bundle generated by dsymutil in the Dwarf section.
Add support for Swift reflection metadata to dsymutil.
This patch adds support for copying Swift reflection metadata (__swift5_.* sections) from .o files to into the symbol-rich binary in the output .dSYM. The functionality is automatically enabled only if a .o file has reflection metadata sections and the binary doesn't. When copying dsymutil moves the section from the __TEXT segment to the __DWARF segment.
rdar://76973336
Differential Revision: https://reviews.llvm.org/D115007
Added:
llvm/include/llvm/BinaryFormat/Swift.def
llvm/include/llvm/BinaryFormat/Swift.h
llvm/test/tools/dsymutil/Inputs/main.yaml
llvm/test/tools/dsymutil/Inputs/reflection_metadata.yaml
llvm/test/tools/dsymutil/Inputs/test.yaml
llvm/test/tools/dsymutil/X86/reflection-dump.test
Modified:
llvm/include/llvm/DWARFLinker/DWARFStreamer.h
llvm/include/llvm/MC/MCContext.h
llvm/include/llvm/MC/MCObjectFileInfo.h
llvm/include/llvm/Object/MachO.h
llvm/include/llvm/Object/ObjectFile.h
llvm/lib/DWARFLinker/DWARFStreamer.cpp
llvm/lib/MC/MCContext.cpp
llvm/lib/MC/MCObjectFileInfo.cpp
llvm/lib/Object/MachOObjectFile.cpp
llvm/tools/dsymutil/DwarfLinkerForBinary.cpp
Removed:
################################################################################
diff --git a/llvm/include/llvm/BinaryFormat/Swift.def b/llvm/include/llvm/BinaryFormat/Swift.def
new file mode 100644
index 0000000000000..6160e25514327
--- /dev/null
+++ b/llvm/include/llvm/BinaryFormat/Swift.def
@@ -0,0 +1,26 @@
+//===- llvm/BinaryFormat/Swift.def - Swift definitions ---------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// Macros for running through Swift enumerators.
+//
+//===----------------------------------------------------------------------===//
+
+#if !(defined HANDLE_SWIFT_SECTION)
+#error "Missing macro definition of HANDLE_SWIFT_SECTION"
+#endif
+
+#ifndef HANDLE_SWIFT_SECTION
+#define HANDLE_SWIFT_SECTION(KIND, MACHO, ELF, COFF)
+#endif
+
+HANDLE_SWIFT_SECTION(fieldmd, "__swift5_fieldmd", "swift5_fieldmd", ".sw5flmd")
+HANDLE_SWIFT_SECTION(assocty, "__swift5_assocty", "swift5_assocty", ".sw5asty")
+HANDLE_SWIFT_SECTION(builtin, "__swift5_builtin", "swift5_builtin", ".sw5bltn")
+HANDLE_SWIFT_SECTION(capture, "__swift5_capture", "swift5_capture", ".sw5cptr")
+HANDLE_SWIFT_SECTION(typeref, "__swift5_typeref", "swift5_typeref", ".sw5tyrf")
+HANDLE_SWIFT_SECTION(reflstr, "__swift5_reflstr", "swift5_reflstr", ".sw5rfst")
diff --git a/llvm/include/llvm/BinaryFormat/Swift.h b/llvm/include/llvm/BinaryFormat/Swift.h
new file mode 100644
index 0000000000000..252b84169fc25
--- /dev/null
+++ b/llvm/include/llvm/BinaryFormat/Swift.h
@@ -0,0 +1,24 @@
+//===-- llvm/BinaryFormat/Swift.h ---Swift Constants-------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+
+#ifndef LLVM_BINARYFORMAT_SWIFT_H
+#define LLVM_BINARYFORMAT_SWIFT_H
+
+namespace llvm {
+namespace swift {
+
+enum Swift5ReflectionSectionKind {
+#define HANDLE_SWIFT_SECTION(KIND, MACHO, ELF, COFF) KIND,
+#include "llvm/BinaryFormat/Swift.def"
+#undef HANDLE_SWIFT_SECTION
+ unknown,
+ last = unknown
+};
+} // end of namespace swift
+} // end of namespace llvm
+
+#endif
diff --git a/llvm/include/llvm/DWARFLinker/DWARFStreamer.h b/llvm/include/llvm/DWARFLinker/DWARFStreamer.h
index 9a5c6bcaf83f3..8e845ee91b9f7 100644
--- a/llvm/include/llvm/DWARFLinker/DWARFStreamer.h
+++ b/llvm/include/llvm/DWARFLinker/DWARFStreamer.h
@@ -9,6 +9,7 @@
#ifndef LLVM_DWARFLINKER_DWARFSTREAMER_H
#define LLVM_DWARFLINKER_DWARFSTREAMER_H
+#include "llvm/BinaryFormat/Swift.h"
#include "llvm/CodeGen/AccelTable.h"
#include "llvm/CodeGen/AsmPrinter.h"
#include "llvm/DWARFLinker/DWARFLinker.h"
@@ -48,7 +49,7 @@ class DwarfStreamer : public DwarfEmitter {
: OutFile(OutFile), OutFileType(OutFileType), Translator(Translator),
ErrorHandler(Error), WarningHandler(Warning) {}
- bool init(Triple TheTriple);
+ bool init(Triple TheTriple, StringRef Swift5ReflectionSegmentName);
/// Dump the file to the disk.
void finish();
@@ -85,6 +86,11 @@ class DwarfStreamer : public DwarfEmitter {
/// Emit the swift_ast section stored in \p Buffer.
void emitSwiftAST(StringRef Buffer);
+ /// Emit the swift reflection section stored in \p Buffer.
+ void emitSwiftReflectionSection(
+ llvm::swift::Swift5ReflectionSectionKind ReflSectionKind,
+ StringRef Buffer, uint32_t Alignment, uint32_t Size);
+
/// Emit debug_ranges for \p FuncRange by translating the
/// original \p Entries.
void emitRangesEntries(
diff --git a/llvm/include/llvm/MC/MCContext.h b/llvm/include/llvm/MC/MCContext.h
index 88d86d5b675ac..d2307d6922780 100644
--- a/llvm/include/llvm/MC/MCContext.h
+++ b/llvm/include/llvm/MC/MCContext.h
@@ -80,6 +80,10 @@ namespace llvm {
private:
Environment Env;
+ /// The name of the Segment where Swift5 Reflection Section data will be
+ /// outputted
+ StringRef Swift5ReflectionSegmentName;
+
/// The triple for this object.
Triple TT;
@@ -399,13 +403,17 @@ namespace llvm {
const MCRegisterInfo *MRI, const MCSubtargetInfo *MSTI,
const SourceMgr *Mgr = nullptr,
MCTargetOptions const *TargetOpts = nullptr,
- bool DoAutoReset = true);
+ bool DoAutoReset = true,
+ StringRef Swift5ReflSegmentName = {});
MCContext(const MCContext &) = delete;
MCContext &operator=(const MCContext &) = delete;
~MCContext();
Environment getObjectFileType() const { return Env; }
+ const StringRef &getSwift5ReflectionSegmentName() const {
+ return Swift5ReflectionSegmentName;
+ }
const Triple &getTargetTriple() const { return TT; }
const SourceMgr *getSourceManager() const { return SrcMgr; }
diff --git a/llvm/include/llvm/MC/MCObjectFileInfo.h b/llvm/include/llvm/MC/MCObjectFileInfo.h
index 5e0cccaba77fa..211cb6f52bfec 100644
--- a/llvm/include/llvm/MC/MCObjectFileInfo.h
+++ b/llvm/include/llvm/MC/MCObjectFileInfo.h
@@ -15,6 +15,7 @@
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/Triple.h"
+#include "llvm/BinaryFormat/Swift.h"
#include "llvm/MC/MCSymbol.h"
#include "llvm/Support/CodeGen.h"
#include "llvm/Support/VersionTuple.h"
@@ -228,6 +229,10 @@ class MCObjectFileInfo {
MCSection *ReadOnly8Section = nullptr;
MCSection *ReadOnly16Section = nullptr;
+ // Swift5 Reflection Data Sections
+ std::array<MCSection *, swift::Swift5ReflectionSectionKind::last>
+ Swift5ReflectionSections = {};
+
public:
void initMCObjectFileInfo(MCContext &MCCtx, bool PIC,
bool LargeCodeModel = false);
@@ -423,6 +428,14 @@ class MCObjectFileInfo {
bool isPositionIndependent() const { return PositionIndependent; }
+ // Swift5 Reflection Data Sections
+ MCSection *getSwift5ReflectionSection(
+ llvm::swift::Swift5ReflectionSectionKind ReflSectionKind) {
+ return ReflSectionKind != llvm::swift::Swift5ReflectionSectionKind::unknown
+ ? Swift5ReflectionSections[ReflSectionKind]
+ : nullptr;
+ }
+
private:
bool PositionIndependent = false;
MCContext *Ctx = nullptr;
diff --git a/llvm/include/llvm/Object/MachO.h b/llvm/include/llvm/Object/MachO.h
index ede742c47f971..09b6454bb0c14 100644
--- a/llvm/include/llvm/Object/MachO.h
+++ b/llvm/include/llvm/Object/MachO.h
@@ -22,6 +22,7 @@
#include "llvm/ADT/Triple.h"
#include "llvm/ADT/iterator_range.h"
#include "llvm/BinaryFormat/MachO.h"
+#include "llvm/BinaryFormat/Swift.h"
#include "llvm/MC/SubtargetFeature.h"
#include "llvm/Object/Binary.h"
#include "llvm/Object/ObjectFile.h"
@@ -583,6 +584,9 @@ class MachOObjectFile : public ObjectFile {
StringRef mapDebugSectionName(StringRef Name) const override;
+ llvm::swift::Swift5ReflectionSectionKind
+ mapReflectionSectionNameToEnumValue(StringRef SectionName) const override;
+
bool hasPageZeroSegment() const { return HasPageZeroSegment; }
static bool classof(const Binary *v) {
diff --git a/llvm/include/llvm/Object/ObjectFile.h b/llvm/include/llvm/Object/ObjectFile.h
index 12704b1fc88e7..08ab08b05abd8 100644
--- a/llvm/include/llvm/Object/ObjectFile.h
+++ b/llvm/include/llvm/Object/ObjectFile.h
@@ -18,6 +18,7 @@
#include "llvm/ADT/Triple.h"
#include "llvm/ADT/iterator_range.h"
#include "llvm/BinaryFormat/Magic.h"
+#include "llvm/BinaryFormat/Swift.h"
#include "llvm/Object/Binary.h"
#include "llvm/Object/Error.h"
#include "llvm/Object/SymbolicFile.h"
@@ -290,6 +291,11 @@ class ObjectFile : public SymbolicFile {
virtual void getRelocationTypeName(DataRefImpl Rel,
SmallVectorImpl<char> &Result) const = 0;
+ virtual llvm::swift::Swift5ReflectionSectionKind
+ mapReflectionSectionNameToEnumValue(StringRef SectionName) const {
+ return llvm::swift::Swift5ReflectionSectionKind::unknown;
+ };
+
Expected<uint64_t> getSymbolValue(DataRefImpl Symb) const;
public:
diff --git a/llvm/lib/DWARFLinker/DWARFStreamer.cpp b/llvm/lib/DWARFLinker/DWARFStreamer.cpp
index 1ab6ead3b5f66..7f9b9a9bc793c 100644
--- a/llvm/lib/DWARFLinker/DWARFStreamer.cpp
+++ b/llvm/lib/DWARFLinker/DWARFStreamer.cpp
@@ -27,7 +27,8 @@
namespace llvm {
-bool DwarfStreamer::init(Triple TheTriple) {
+bool DwarfStreamer::init(Triple TheTriple,
+ StringRef Swift5ReflectionSegmentName) {
std::string ErrorStr;
std::string TripleName;
StringRef Context = "dwarf streamer init";
@@ -54,8 +55,9 @@ bool DwarfStreamer::init(Triple TheTriple) {
if (!MSTI)
return error("no subtarget info for target " + TripleName, Context), false;
- MC.reset(new MCContext(TheTriple, MAI.get(), MRI.get(), MSTI.get()));
- MOFI.reset(TheTarget->createMCObjectFileInfo(*MC, /*PIC=*/false));
+ MC.reset(new MCContext(TheTriple, MAI.get(), MRI.get(), MSTI.get(), nullptr,
+ nullptr, true, Swift5ReflectionSegmentName));
+ MOFI.reset(TheTarget->createMCObjectFileInfo(*MC, /*PIC=*/false, false));
MC->setObjectFileInfo(MOFI.get());
MAB = TheTarget->createMCAsmBackend(*MSTI, *MRI, MCOptions);
@@ -302,6 +304,18 @@ void DwarfStreamer::emitSwiftAST(StringRef Buffer) {
MS->emitBytes(Buffer);
}
+void DwarfStreamer::emitSwiftReflectionSection(
+ llvm::swift::Swift5ReflectionSectionKind ReflSectionKind, StringRef Buffer,
+ uint32_t Alignment, uint32_t Size) {
+ MCSection *ReflectionSection =
+ MOFI->getSwift5ReflectionSection(ReflSectionKind);
+ if (ReflectionSection == nullptr)
+ return;
+ ReflectionSection->setAlignment(Align(Alignment));
+ MS->SwitchSection(ReflectionSection);
+ MS->emitBytes(Buffer);
+}
+
/// Emit the debug_range section contents for \p FuncRange by
/// translating the original \p Entries. The debug_range section
/// format is totally trivial, consisting just of pairs of address
diff --git a/llvm/lib/MC/MCContext.cpp b/llvm/lib/MC/MCContext.cpp
index 7f639e9c408fe..eafcee1e0607b 100644
--- a/llvm/lib/MC/MCContext.cpp
+++ b/llvm/lib/MC/MCContext.cpp
@@ -67,10 +67,10 @@ static void defaultDiagHandler(const SMDiagnostic &SMD, bool, const SourceMgr &,
MCContext::MCContext(const Triple &TheTriple, const MCAsmInfo *mai,
const MCRegisterInfo *mri, const MCSubtargetInfo *msti,
const SourceMgr *mgr, MCTargetOptions const *TargetOpts,
- bool DoAutoReset)
- : TT(TheTriple), SrcMgr(mgr), InlineSrcMgr(nullptr),
- DiagHandler(defaultDiagHandler), MAI(mai), MRI(mri), MSTI(msti),
- Symbols(Allocator), UsedNames(Allocator),
+ bool DoAutoReset, StringRef Swift5ReflSegmentName)
+ : Swift5ReflectionSegmentName(Swift5ReflSegmentName), TT(TheTriple),
+ SrcMgr(mgr), InlineSrcMgr(nullptr), DiagHandler(defaultDiagHandler),
+ MAI(mai), MRI(mri), MSTI(msti), Symbols(Allocator), UsedNames(Allocator),
InlineAsmUsedLabelNames(Allocator),
CurrentDwarfLoc(0, 0, 0, DWARF2_FLAG_IS_STMT, 0, 0),
AutoReset(DoAutoReset), TargetOptions(TargetOpts) {
diff --git a/llvm/lib/MC/MCObjectFileInfo.cpp b/llvm/lib/MC/MCObjectFileInfo.cpp
index d7f85f793c55f..77b0b0ee687cb 100644
--- a/llvm/lib/MC/MCObjectFileInfo.cpp
+++ b/llvm/lib/MC/MCObjectFileInfo.cpp
@@ -299,6 +299,17 @@ void MCObjectFileInfo::initMachOMCObjectFileInfo(const Triple &T) {
RemarksSection = Ctx->getMachOSection(
"__LLVM", "__remarks", MachO::S_ATTR_DEBUG, SectionKind::getMetadata());
+ // The architecture of dsymutil makes it very
diff icult to copy the Swift
+ // reflection metadata sections into the __TEXT segment, so dsymutil creates
+ // these sections in the __DWARF segment instead.
+ if (!Ctx->getSwift5ReflectionSegmentName().empty()) {
+#define HANDLE_SWIFT_SECTION(KIND, MACHO, ELF, COFF) \
+ Swift5ReflectionSections[llvm::swift::Swift5ReflectionSectionKind::KIND] = \
+ Ctx->getMachOSection(Ctx->getSwift5ReflectionSegmentName().data(), \
+ MACHO, 0, SectionKind::getMetadata());
+#include "llvm/BinaryFormat/Swift.def"
+ }
+
TLSExtraDataSection = TLSTLVSection;
}
diff --git a/llvm/lib/Object/MachOObjectFile.cpp b/llvm/lib/Object/MachOObjectFile.cpp
index 42e257516f4e0..ba31862b19c95 100644
--- a/llvm/lib/Object/MachOObjectFile.cpp
+++ b/llvm/lib/Object/MachOObjectFile.cpp
@@ -20,6 +20,7 @@
#include "llvm/ADT/Triple.h"
#include "llvm/ADT/Twine.h"
#include "llvm/BinaryFormat/MachO.h"
+#include "llvm/BinaryFormat/Swift.h"
#include "llvm/Object/Error.h"
#include "llvm/Object/MachO.h"
#include "llvm/Object/ObjectFile.h"
@@ -4765,3 +4766,14 @@ MachOObjectFile::findDsymObjectMembers(StringRef Path) {
Path.str().c_str());
return ObjectPaths;
}
+
+llvm::swift::Swift5ReflectionSectionKind
+MachOObjectFile::mapReflectionSectionNameToEnumValue(
+ StringRef SectionName) const {
+#define HANDLE_SWIFT_SECTION(KIND, MACHO, ELF, COFF) \
+ .Case(MACHO, llvm::swift::Swift5ReflectionSectionKind::KIND)
+ return StringSwitch<llvm::swift::Swift5ReflectionSectionKind>(SectionName)
+#include "llvm/BinaryFormat/Swift.def"
+ .Default(llvm::swift::Swift5ReflectionSectionKind::unknown);
+#undef HANDLE_SWIFT_SECTION
+}
diff --git a/llvm/test/tools/dsymutil/Inputs/main.yaml b/llvm/test/tools/dsymutil/Inputs/main.yaml
new file mode 100644
index 0000000000000..d81931d7861c3
--- /dev/null
+++ b/llvm/test/tools/dsymutil/Inputs/main.yaml
@@ -0,0 +1,886 @@
+# How to generate this file:
+# 1. First take a swift file and run xcrun swiftc -g -v test.swift
+# reflection_metadata.swift, make sure the two swift files are in a short path
+# like /tmp/
+
+# 2. Now you can see what the driver does, generate the object files in the
+# tmp directory and link them to create the input binary
+
+# 3. Run obj2yaml on the input binary to create a yaml file and strip out the
+# swift5 reflection sections from the load commands in the text segment
+
+# 4. I ran delta to reduce this file.
+
+--- !mach-o
+FileHeader:
+ magic: 0xFEEDFACF
+ cputype: 0x1000007
+ cpusubtype: 0x3
+ filetype: 0x2
+ ncmds: 18
+ sizeofcmds: 2848
+ flags: 0x200085
+ reserved: 0x0
+LoadCommands:
+ - cmd: LC_SEGMENT_64
+ cmdsize: 72
+ segname: __PAGEZERO
+ vmaddr: 0
+ vmsize: 4294967296
+ fileoff: 0
+ filesize: 0
+ maxprot: 0
+ initprot: 0
+ nsects: 0
+ flags: 0
+ - cmd: LC_SEGMENT_64
+ cmdsize: 952
+ segname: __TEXT
+ vmaddr: 4294967296
+ vmsize: 16384
+ fileoff: 0
+ filesize: 16384
+ maxprot: 5
+ initprot: 5
+ nsects: 11
+ flags: 0
+ Sections:
+ - sectname: __text
+ segname: __TEXT
+ addr: 0x100003EB0
+ size: 336
+ offset: 0x3EB0
+ align: 3
+ reloff: 0x0
+ nreloc: 0
+ flags: 0x0
+ reserved1: 0x0
+ reserved2: 0x0
+ - cmd: LC_SEGMENT_64
+ cmdsize: 392
+ segname: __DATA_CONST
+ vmaddr: 4294983680
+ vmsize: 16384
+ fileoff: 16384
+ filesize: 16384
+ maxprot: 3
+ initprot: 3
+ nsects: 4
+ flags: 16
+ Sections:
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+ segname: __DATA_CONST
+ addr: 0x100004000
+ size: 48
+ offset: 0x4000
+ align: 3
+ reloff: 0x0
+ nreloc: 0
+ flags: 0x6
+ reserved1: 0x11
+ reserved2: 0x0
+ - cmd: LC_SEGMENT_64
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+ vmaddr: 4295000064
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+ flags: 0
+ Sections:
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+ segname: __DATA
+ addr: 0x100008000
+ size: 384
+ offset: 0x8088
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+ StringTable:
+ - ' '
+ - '_$s4main10MyProtocolMp'
+ - '_$s4main10MyProtocolTL'
+ - '_$s4main11ConformanceV5innerSivM'
+ - '_$s4main11ConformanceV5innerSivg'
+ - '_$s4main11ConformanceV5innerSivpMV'
+ - '_$s4main11ConformanceV5innerSivpfi'
+ - '_$s4main11ConformanceV5innerSivs'
+ - '_$s4main11ConformanceVAA10MyProtocolAAMc'
+ - '_$s4main11ConformanceVAA10MyProtocolAAWP'
+ - '_$s4main11ConformanceVMa'
+ - '_$s4main11ConformanceVMn'
+ - '_$s4main11ConformanceVN'
+ - '_$s4main12Conformance2V5innerSivM'
+ - '_$s4main12Conformance2V5innerSivg'
+ - '_$s4main12Conformance2V5innerSivpMV'
+ - '_$s4main12Conformance2V5innerSivpfi'
+ - '_$s4main12Conformance2V5innerSivs'
+ - '_$s4main12Conformance2VAA10MyProtocolAAMc'
+ - '_$s4main12Conformance2VAA10MyProtocolAAWP'
+ - '_$s4main12Conformance2VMa'
+ - '_$s4main12Conformance2VMn'
+ - '_$s4main12Conformance2VN'
+ - '_$s4main13MyGenericEnumOMa'
+ - '_$s4main13MyGenericEnumOMn'
+ - '_$s4main14MyGenericClassC1t1i3mgs3mgeACyxGx_5InnerQzAA0bC6StructVyxGAA0bC4EnumOyxGtcfC'
+ - '_$s4main14MyGenericClassC1t1i3mgs3mgeACyxGx_5InnerQzAA0bC6StructVyxGAA0bC4EnumOyxGtcfCTq'
+ - '_$s4main14MyGenericClassC1t1i3mgs3mgeACyxGx_5InnerQzAA0bC6StructVyxGAA0bC4EnumOyxGtcfc'
+ - '_$s4main14MyGenericClassCMa'
+ - '_$s4main14MyGenericClassCMn'
+ - '_$s4main14MyGenericClassCfD'
+ - '_$s4main14MyGenericClassCfd'
+ - '_$s4main15MyGenericStructVMa'
+ - '_$s4main15MyGenericStructVMn'
+ - '_$s4main16makeSomeClosures1tyycx_tAA10MyProtocolRzlF'
+ - '_$s4main6MyEnumOMa'
+ - '_$s4main6MyEnumOMn'
+ - '_$s4main6MyEnumON'
+ - '_$s4main7MyClassC1i2ms2meACSi_AA0B6StructVAA0B4EnumOtcfC'
+ - '_$s4main7MyClassC1i2ms2meACSi_AA0B6StructVAA0B4EnumOtcfCTq'
+ - '_$s4main7MyClassC1i2ms2meACSi_AA0B6StructVAA0B4EnumOtcfc'
+ - '_$s4main7MyClassCMa'
+ - '_$s4main7MyClassCMm'
+ - '_$s4main7MyClassCMn'
+ - '_$s4main7MyClassCN'
+ - '_$s4main7MyClassCfD'
+ - '_$s4main7MyClassCfd'
+ - '_$s4main8MyStructVMa'
+ - '_$s4main8MyStructVMn'
+ - '_$s4main8MyStructVN'
+ - '_$s5Inner4main10MyProtocolPTl'
+ - __mh_execute_header
+ - _main
+ - '_$sBi64_WV'
+ - '_$sBoWV'
+ - '_$sSS21_builtinStringLiteral17utf8CodeUnitCount7isASCIISSBp_BwBi1_tcfC'
+ - '_$sSSN'
+ - '_$sSaMa'
+ - '_$ss27_allocateUninitializedArrayySayxG_BptBwlF'
+ - '_$ss5print_9separator10terminatoryypd_S2StF'
+ - '_$sypN'
+ - '_$sytWV'
+ - '_OBJC_CLASS_$__TtCs12_SwiftObject'
+ - '_OBJC_METACLASS_$__TtCs12_SwiftObject'
+ - __objc_empty_cache
+ - _objc_opt_self
+ - _swift_allocObject
+ - _swift_allocateGenericClassMetadata
+ - _swift_allocateGenericValueMetadata
+ - _swift_bridgeObjectRelease
+ - _swift_checkMetadataState
+ - _swift_deallocClassInstance
+ - _swift_deallocObject
+ - _swift_getAssociatedTypeWitness
+ - _swift_getGenericMetadata
+ - _swift_initClassMetadata2
+ - _swift_release
+ - _swift_retain
+ - dyld_stub_binder
+ - '_$s4main12Conformance2V5innerSivM.resume.0'
+ - '_$s4main12Conformance2V5innerACSi_tcfcfA_'
+ - '_$s4main12Conformance2V5innerACSi_tcfC'
+ - '_$s4main12Conformance2VACycfC'
+ - '_$s4main12Conformance2VAA10MyProtocolA2aDP5inner5InnerQzvgTW'
+ - '_$s4main3AppVAAyyFZ'
+ - '_$ss27_finalizeUninitializedArrayySayxGABnlF'
+ - '_$ss5print_9separator10terminatoryypd_S2StFfA0_'
+ - '_$ss5print_9separator10terminatoryypd_S2StFfA1_'
+ - '_$s4main3AppVACycfC'
+ - '_$s4main3AppV5$mainyyFZ'
+ - '_$s4main3AppVMa'
+ - '_$sSa12_endMutationyyF'
+ - '_$s4main7MyClassC1iSivg'
+ - '_$s4main7MyClassC2msAA0B6StructVvg'
+ - '_$s4main7MyClassC2meAA0B4EnumOvg'
+ - '_$s4main6MyEnumOWOy'
+ - '_$s4main6MyEnumOWOe'
+ - '_$s4main6MyEnumOWOh'
+ - '_$s4main11ConformanceV5innerSivM.resume.0'
+ - '_$s4main11ConformanceV5innerACSi_tcfcfA_'
+ - '_$s4main11ConformanceV5innerACSi_tcfC'
+ - '_$s4main11ConformanceVACycfC'
+ - '_$s4main11ConformanceVAA10MyProtocolA2aDP5inner5InnerQzvgTW'
+ - '_$s4main8MyStructVACycfC'
+ - '_$s4main14MyGenericClassC1txvg'
+ - '_$s4main14MyGenericClassC1i5InnerQzvg'
+ - '_$s4main14MyGenericClassC3mgsAA0bC6StructVyxGvg'
+ - '_$s4main14MyGenericClassC3mgeAA0bC4EnumOyxGvg'
+ - '_$s4main13MyGenericEnumOyxGAA0B8ProtocolRzlWOh'
+ - '_$s4main15MyGenericStructVACyxGycfC'
+ - '_$s4main16makeSomeClosures1tyycx_tAA10MyProtocolRzlFyycfU_'
+ - '_$s4main16makeSomeClosures1tyycx_tAA10MyProtocolRzlFyycfU_TA'
+ - '_$s4main6MyEnumOwCP'
+ - '_$s4main6MyEnumOwxx'
+ - '_$s4main6MyEnumOwcp'
+ - '_$s4main6MyEnumOwca'
+ - ___swift_memcpy9_8
+ - '_$s4main6MyEnumOwta'
+ - '_$s4main6MyEnumOwet'
+ - '_$s4main6MyEnumOwst'
+ - '_$s4main6MyEnumOwug'
+ - '_$s4main6MyEnumOwup'
+ - '_$s4main6MyEnumOwui'
+ - '_$s4main14MyGenericClassCMi'
+ - '_$s4main14MyGenericClassCMr'
+ - '_$s4main15MyGenericStructVMi'
+ - '_$s4main13MyGenericEnumOMi'
+ - ___swift_initWithCopy_strong
+ - ___swift_destroy_strong
+ - ___swift_assignWithCopy_strong
+ - ___swift_memcpy8_8
+ - ___swift_assignWithTake_strong
+ - '_$s4main13MyGenericEnumOwet'
+ - '_$s4main13MyGenericEnumOwst'
+ - '_$s4main13MyGenericEnumOwug'
+ - '_$s4main13MyGenericEnumOwup'
+ - '_$s4main13MyGenericEnumOwui'
+ - ___swift_instantiateGenericMetadata
+ - ___chkstk_darwin
+ - ___chkstk_darwin_llvm_probe
+ - ___chkstk_darwin_probe
+ - ____chkstk_darwin
+ - '_$s4mainMXM'
+ - '_$s4main3AppVMn'
+ - '_$s4main7MyClassC1iSivpWvd'
+ - '_$s4main7MyClassC2msAA0B6StructVvpWvd'
+ - '_$s4main7MyClassC2meAA0B4EnumOvpWvd'
+ - '_$s4main14MyGenericClassC3mgsAA0bC6StructVyxGvpWvd'
+ - '_$s4main15MyGenericStructVMP'
+ - '_$s4main13MyGenericEnumOMP'
+ - ___swift_reflection_version
+ - _symbolic Si
+ - _symbolic _____ 4main12Conformance2V
+ - '_symbolic $s4main10MyProtocolP'
+ - _symbolic _____ 4main3AppV
+ - _symbolic x
+ - _symbolic B0
+ - _symbolic _____ 4main11ConformanceV
+ - _symbolic _____ 4main7MyClassC
+ - _symbolic _____ 4main8MyStructV
+ - _symbolic _____ 4main6MyEnumO
+ - _symbolic _____ 4main14MyGenericClassC
+ - _symbolic 5Inner_____Qz 4main10MyProtocolP
+ - _symbolic _____yxG 4main15MyGenericStructV
+ - _symbolic _____yxG 4main13MyGenericEnumO
+ - _symbolic _____ 4main15MyGenericStructV
+ - _symbolic _____ 4main13MyGenericEnumO
+ - _symbolic _____yxG 4main14MyGenericClassC
+ - '_$s4main12Conformance2VAA10MyProtocolAAMA'
+ - '_$s4main11ConformanceVAA10MyProtocolAAMA'
+ - '_$s4main12Conformance2VMF'
+ - '_$s4main3AppVMF'
+ - '_$s4main10MyProtocol_pMF'
+ - '_$s4main7MyClassCMF'
+ - '_$s4main11ConformanceVMF'
+ - '_$s4main8MyStructVMF'
+ - '_$s4main6MyEnumOMF'
+ - '_$s4main14MyGenericClassCMF'
+ - '_$s4main15MyGenericStructVMF'
+ - '_$s4main13MyGenericEnumOMF'
+ - '_$s4main6MyEnumOMB'
+ - '_$s4main12Conformance2VMf'
+ - '_$s4main3AppVMf'
+ - '_$s4main3AppVN'
+ - '_$s4main11ConformanceVMf'
+ - '_$s4main8MyStructVMf'
+ - '_$s4main6MyEnumOWV'
+ - '_$s4main6MyEnumOMf'
+ - ___unnamed_23
+ - '_$s4main14MyGenericClassCMP'
+ - '_$s4main13MyGenericEnumOWV'
+ - __METACLASS_DATA__TtC4main7MyClass
+ - __IVARS__TtC4main7MyClass
+ - __DATA__TtC4main7MyClass
+ - __IVARS__TtC4main14MyGenericClass
+ - __dyld_private
+ - '_$s4main7MyClassCMf'
+ - '_$s4main14MyGenericClassCMI'
+ - '_$s4main15MyGenericStructVMI'
+ - '_$s4main13MyGenericEnumOMI'
+ - '/tmp/main-1.swiftmodule'
+ - '/Users/shubham/Development/test76973336/final2objfiletest/'
+ - test.swift
+ - '/tmp/test-1.o'
+ - '_$s4main12Conformance2V5innerSivpfi'
+ - '_$s4main12Conformance2V5innerSivg'
+ - '_$s4main12Conformance2V5innerSivs'
+ - '_$s4main12Conformance2V5innerSivM'
+ - '_$s4main12Conformance2V5innerSivM.resume.0'
+ - '_$s4main12Conformance2V5innerACSi_tcfcfA_'
+ - '_$s4main12Conformance2V5innerACSi_tcfC'
+ - '_$s4main12Conformance2VACycfC'
+ - '_$s4main12Conformance2VAA10MyProtocolA2aDP5inner5InnerQzvgTW'
+ - '_$s4main3AppVAAyyFZ'
+ - '_$ss27_finalizeUninitializedArrayySayxGABnlF'
+ - '_$ss5print_9separator10terminatoryypd_S2StFfA0_'
+ - '_$ss5print_9separator10terminatoryypd_S2StFfA1_'
+ - '_$s4main3AppVACycfC'
+ - '_$s4main3AppV5$mainyyFZ'
+ - _main
+ - '_$s4main12Conformance2VMa'
+ - '_$s4main3AppVMa'
+ - '_$sSa12_endMutationyyF'
+ - '_$s4main12Conformance2VAA10MyProtocolAAMc'
+ - '_$s4main12Conformance2V5innerSivpMV'
+ - '_$s4mainMXM'
+ - '_$s4main12Conformance2VMn'
+ - '_$s4main3AppVMn'
+ - _symbolic Si
+ - _symbolic _____ 4main12Conformance2V
+ - '_symbolic $s4main10MyProtocolP'
+ - _symbolic _____ 4main3AppV
+ - '_$s4main12Conformance2VAA10MyProtocolAAMA'
+ - '_$s4main12Conformance2VMF'
+ - '_$s4main3AppVMF'
+ - '_$s4main12Conformance2VMf'
+ - '_$s4main12Conformance2VN'
+ - '_$s4main3AppVMf'
+ - '_$s4main3AppVN'
+ - '_$s4main12Conformance2VAA10MyProtocolAAWP'
+ - reflection_metadata.swift
+ - '/tmp/reflection_metadata-1.o'
diff --git a/llvm/test/tools/dsymutil/Inputs/reflection_metadata.yaml b/llvm/test/tools/dsymutil/Inputs/reflection_metadata.yaml
new file mode 100644
index 0000000000000..b2179a23bf28d
--- /dev/null
+++ b/llvm/test/tools/dsymutil/Inputs/reflection_metadata.yaml
@@ -0,0 +1,436 @@
+# How to generate this file:
+# 1. First take a swift file and run xcrun swiftc -g -v file.swift
+# secondfile.swift, make sure the two swift files are in a short path like /tmp/
+
+# 2. Now you can see what the driver does, generate the object files in the
+# tmp directory
+
+# 3. Run obj2yaml on object file to create a yaml file
+
+# 4. I ran delta to reduce this file.
+
+--- !mach-o
+FileHeader:
+ magic: 0xFEEDFACF
+ cputype: 0x1000007
+ cpusubtype: 0x3
+ filetype: 0x1
+ ncmds: 8
+ sizeofcmds: 2800
+ flags: 0x2000
+ reserved: 0x0
+LoadCommands:
+ - cmd: LC_SEGMENT_64
+ cmdsize: 2552
+ segname: ''
+ vmaddr: 0
+ vmsize: 21352
+ fileoff: 2832
+ filesize: 20967
+ maxprot: 7
+ initprot: 7
+ nsects: 31
+ flags: 0
+ Sections:
+ - sectname: __text
+ segname: __TEXT
+ addr: 0x0
+ size: 4571
+ offset: 0xB10
+ align: 4
+ reloff: 0x5CF8
+ nreloc: 74
+ flags: 0x80000400
+ reserved1: 0x0
+ reserved2: 0x0
+ relocations:
+ - address: 0x11A1
+ symbolnum: 142
+ pcrel: true
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+ - '_OBJC_METACLASS_$__TtCs12_SwiftObject'
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+ - _swift_allocObject
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+ - __DATA__TtC4main7MyClass
+ - __METACLASS_DATA__TtC4main7MyClass
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+ - _objc_classes
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+ - _swift_retain
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+ - '_$s4main7MyClassC2meAA0B4EnumOvg'
+ - '_$s4main14MyGenericClassC3mgsAA0bC6StructVyxGvg'
+ - '_$s4main14MyGenericClassC3mgeAA0bC4EnumOyxGvg'
+ - '_$s4main6MyEnumOwug'
+ - '_$s4main13MyGenericEnumOwug'
+ - ___swift_initWithCopy_strong
+ - ___swift_assignWithCopy_strong
+ - ___swift_destroy_strong
+ - ___swift_assignWithTake_strong
+ - _objc_opt_self
+ - '_$s4main8MyStructVMf'
+ - '_$s4main11ConformanceVMf'
+ - '_$s4main6MyEnumOMf'
+ - '_$s4main7MyClassCMf'
+ - _swift_checkMetadataState
+ - _swift_release
+ - l_type_metadata_table
+ - __objc_empty_cache
+ - _swift_deallocClassInstance
+ - ___chkstk_darwin_llvm_probe
+ - '_$s4main6MyEnumOWOe'
+ - '_$s4main7MyClassC1iSivpWvd'
+ - '_$s4main7MyClassC2msAA0B6StructVvpWvd'
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+ - '_$s4main7MyClassCfd'
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+ - '_$s4main14MyGenericClassC1t1i3mgs3mgeACyxGx_5InnerQzAA0bC6StructVyxGAA0bC4EnumOyxGtcfc'
+ - '_$s4main11ConformanceVAA10MyProtocolAAMc'
+ - '_$s4main6MyEnumOwta'
+ - l_metadata
+ - _swift_allocateGenericClassMetadata
+ - _swift_allocateGenericValueMetadata
+ - _swift_getGenericMetadata
+ - ___swift_instantiateGenericMetadata
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+ - '_$s4main8MyStructVMa'
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+ - '_$s4main14MyGenericClassCMa'
+ - '_$s4main16makeSomeClosures1tyycx_tAA10MyProtocolRzlFyycfU_'
+ - '_$s4main11ConformanceV5innerACSi_tcfcfA_'
+ - '_$s4main11ConformanceVAA10MyProtocolA2aDP5inner5InnerQzvgTW'
+ - _symbolic _____ 4main8MyStructV
+ - _symbolic _____ 4main15MyGenericStructV
+ - _symbolic _____yxG 4main15MyGenericStructV
+ - _symbolic _____ 4main11ConformanceV
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+ - '_$sBoWV'
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+ - '_$s4main13MyGenericEnumOWV'
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+ - _symbolic 5Inner_____Qz 4main10MyProtocolP
+ - '_$s4main11ConformanceVAA10MyProtocolAAWP'
+ - '_$s4main15MyGenericStructVMP'
+ - '_$s4main13MyGenericEnumOMP'
+ - '_$s4main14MyGenericClassCMP'
+ - '_$s4main6MyEnumOwCP'
+ - _symbolic _____ 4main6MyEnumO
+ - _symbolic _____ 4main13MyGenericEnumO
+ - _symbolic _____yxG 4main13MyGenericEnumO
+ - '_$s4main8MyStructVN'
+ - '_$s4main11ConformanceVN'
+ - '_$s4main6MyEnumON'
+ - '_$s4main7MyClassCN'
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diff --git a/llvm/test/tools/dsymutil/Inputs/test.yaml b/llvm/test/tools/dsymutil/Inputs/test.yaml
new file mode 100644
index 0000000000000..da3aa9a8aaf34
--- /dev/null
+++ b/llvm/test/tools/dsymutil/Inputs/test.yaml
@@ -0,0 +1,254 @@
+# How to generate this file:
+# 1. First take a swift file and run xcrun swiftc -g -v file.swift
+# secondfile.swift, make sure the two swift files are in a short path like /tmp/
+
+# 2. Now you can see what the driver does, generate the object files in the
+# tmp directory
+
+# 3. Run obj2yaml on object file to create a yaml file
+
+# 4. I ran delta to reduce this file.
+
+--- !mach-o
+FileHeader:
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+ - '_$s4mainMXM'
+ - '_$sSa12_endMutationyyF'
+ - '_$ss5print_9separator10terminatoryypd_S2StF'
+ - '_$ss27_allocateUninitializedArrayySayxG_BptBwlF'
+ - '_$ss27_finalizeUninitializedArrayySayxGABnlF'
+ - '_$s4main3AppVMF'
+ - '_$s4main12Conformance2VMF'
+ - '_$s4main3AppVACycfC'
+ - '_$s4main12Conformance2VACycfC'
+ - '_$s4main12Conformance2V5innerACSi_tcfC'
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+ - ''
+ - ''
+ - ''
+ - ''
+ - ''
+ - ''
+ - ''
diff --git a/llvm/test/tools/dsymutil/X86/reflection-dump.test b/llvm/test/tools/dsymutil/X86/reflection-dump.test
new file mode 100644
index 0000000000000..90e63968331ce
--- /dev/null
+++ b/llvm/test/tools/dsymutil/X86/reflection-dump.test
@@ -0,0 +1,44 @@
+RUN: rm -rf %t.dir && mkdir -p %t.dir/tmp
+RUN: cp %p/../Inputs/main.yaml %t.dir
+RUN: cp %p/../Inputs/test.yaml %t.dir
+RUN: cp %p/../Inputs/reflection_metadata.yaml %t.dir
+RUN: yaml2obj %p/../Inputs/main.yaml -o %t.dir/main
+RUN: yaml2obj %p/../Inputs/test.yaml -o %t.dir/tmp/test-1.o
+RUN: yaml2obj %p/../Inputs/reflection_metadata.yaml -o %t.dir/tmp/reflection_metadata-1.o
+
+RUN: dsymutil -oso-prepend-path=%t.dir %t.dir/main -o %t.dir/main.dSYM
+RUN: llvm-objdump -s %t.dir/main.dSYM/Contents/Resources/DWARF/main | FileCheck %s
+
+REQUIRES: host-byteorder-little-endian
+
+CHECK: Contents of section __DWARF,__swift5_typeref:
+CHECK-NEXT: 10000e000 53690000 01ffffff ff002473 346d6169 Si........$s4mai
+CHECK-NEXT: 10000e010 6e31304d 7950726f 746f636f 6c500000 n10MyProtocolP..
+CHECK-NEXT: 10000e020 01ffffff ff007800 42300000 53690000 ......x.B0..Si..
+CHECK-NEXT: 10000e030 01ffffff ff002473 346d6169 6e31304d ......$s4main10M
+CHECK-NEXT: 10000e040 7950726f 746f636f 6c500000 01ffffff yProtocolP......
+
+CHECK: Contents of section __DWARF,__swift5_reflstr:
+CHECK-NEXT: 10000e09b 496e6e65 7200696e 6e657200 496e6e65 Inner.inner.Inne
+CHECK-NEXT: 10000e0ab 72006900 6d73006d 6500696e 6e657200 r.i.ms.me.inner.
+CHECK-NEXT: 10000e0bb 43004900 74006d67 73006d67 65004743 C.I.t.mgs.mge.GC
+CHECK-NEXT: 10000e0cb 00
+
+CHECK: Contents of section __DWARF,__swift5_assocty:
+CHECK-NEXT: 10000e0cc 00000000 fcffffff 01000000 08000000 ................
+CHECK-NEXT: 10000e0dc f0ffffff ecffffff 00000000 fcffffff ................
+CHECK-NEXT: 10000e0ec 01000000 08000000 f0ffffff ecffffff ................
+
+CHECK: Contents of section __DWARF,__swift5_fieldmd:
+CHECK-NEXT: 10000e0fc 00000000 00000000 00000c00 01000000 ................
+CHECK-NEXT: 10000e10c 02000000 ecffffff e8ffffff 00000000 ................
+CHECK-NEXT: 10000e11c 00000000 00000c00 00000000 00000000 ................
+CHECK-NEXT: 10000e12c 00000000 04000c00 00000000 00000000 ................
+
+CHECK: Contents of section __DWARF,__swift5_capture:
+CHECK-NEXT: 10000e22c 01000000 01000000 02000000 f4ffffff ................
+CHECK-NEXT: 10000e23c f0ffffff ecffffff ........
+
+CHECK: Contents of section __DWARF,__swift5_builtin:
+CHECK-NEXT: 10000e244 00000000 09000000 08000100 10000000 ................
+CHECK-NEXT: 10000e254 fe000000 ....
diff --git a/llvm/tools/dsymutil/DwarfLinkerForBinary.cpp b/llvm/tools/dsymutil/DwarfLinkerForBinary.cpp
index a8dfde0865377..fb31c5b09429e 100644
--- a/llvm/tools/dsymutil/DwarfLinkerForBinary.cpp
+++ b/llvm/tools/dsymutil/DwarfLinkerForBinary.cpp
@@ -30,6 +30,7 @@
#include "llvm/ADT/Twine.h"
#include "llvm/BinaryFormat/Dwarf.h"
#include "llvm/BinaryFormat/MachO.h"
+#include "llvm/BinaryFormat/Swift.h"
#include "llvm/CodeGen/AccelTable.h"
#include "llvm/CodeGen/AsmPrinter.h"
#include "llvm/CodeGen/DIE.h"
@@ -174,7 +175,7 @@ bool DwarfLinkerForBinary::createStreamer(const Triple &TheTriple,
[&](const Twine &Warning, StringRef Context, const DWARFDie *) {
warn(Warning, Context);
});
- return Streamer->init(TheTriple);
+ return Streamer->init(TheTriple, "__DWARF");
}
ErrorOr<const object::ObjectFile &>
@@ -295,6 +296,77 @@ DwarfLinkerForBinary::loadObject(const DebugMapObject &Obj,
return ErrorOrObj.getError();
}
+static bool binaryHasSwiftReflectionSections(const DebugMap &Map,
+ const LinkOptions &Options,
+ BinaryHolder &BinHolder) {
+ // If the input binary has swift5 reflection sections, there is no need to
+ // copy them to the .dSYM. Only copy them for binaries where the linker
+ // omitted the reflection metadata.
+ if (!Map.getBinaryPath().empty() &&
+ Options.FileType == OutputFileType::Object) {
+
+ auto ObjectEntry = BinHolder.getObjectEntry(Map.getBinaryPath());
+ // If ObjectEntry or Object has an error, no binary exists, therefore no
+ // reflection sections exist.
+ if (!ObjectEntry) {
+ // Any errors will be diagnosed later in the main loop, ignore them here.
+ llvm::consumeError(ObjectEntry.takeError());
+ return false;
+ }
+
+ auto Object =
+ ObjectEntry->getObjectAs<object::MachOObjectFile>(Map.getTriple());
+ if (!Object) {
+ // Any errors will be diagnosed later in the main loop, ignore them here.
+ llvm::consumeError(Object.takeError());
+ return false;
+ }
+
+ for (auto &Section : Object->sections()) {
+ llvm::Expected<llvm::StringRef> NameOrErr =
+ Object->getSectionName(Section.getRawDataRefImpl());
+ if (!NameOrErr) {
+ llvm::consumeError(NameOrErr.takeError());
+ continue;
+ }
+ NameOrErr->consume_back("__TEXT");
+ if (Object->mapReflectionSectionNameToEnumValue(*NameOrErr) !=
+ llvm::swift::Swift5ReflectionSectionKind::unknown) {
+ return true;
+ }
+ }
+ }
+ return false;
+}
+
+static void
+copySwiftReflectionMetadata(const llvm::dsymutil::DebugMapObject *Obj,
+ DwarfStreamer *Streamer) {
+ auto OF =
+ llvm::object::ObjectFile::createObjectFile(Obj->getObjectFilename());
+ if (!OF) {
+ llvm::consumeError(OF.takeError());
+ return;
+ } else if (auto *MO =
+ dyn_cast<llvm::object::MachOObjectFile>(OF->getBinary())) {
+ for (auto &Section : OF->getBinary()->sections()) {
+ llvm::Expected<llvm::StringRef> NameOrErr =
+ MO->getSectionName(Section.getRawDataRefImpl());
+ if (!NameOrErr) {
+ llvm::consumeError(NameOrErr.takeError());
+ continue;
+ }
+ llvm::Expected<llvm::StringRef> SectionContents = Section.getContents();
+ if (SectionContents) {
+ NameOrErr->consume_back("__TEXT");
+ Streamer->emitSwiftReflectionSection(
+ MO->mapReflectionSectionNameToEnumValue(*NameOrErr),
+ *SectionContents, Section.getAlignment(), Section.getSize());
+ }
+ }
+ }
+}
+
bool DwarfLinkerForBinary::link(const DebugMap &Map) {
if (!createStreamer(Map.getTriple(), OutFile))
return false;
@@ -389,8 +461,20 @@ bool DwarfLinkerForBinary::link(const DebugMap &Map) {
llvm_unreachable("Unhandled DebugMap object");
});
GeneralLinker.setSwiftInterfacesMap(&ParseableSwiftInterfaces);
+ bool ReflectionSectionsPresentInBinary = false;
+ // If there is no output specified, no point in checking the binary for swift5
+ // reflection sections.
+ if (!Options.NoOutput) {
+ ReflectionSectionsPresentInBinary =
+ binaryHasSwiftReflectionSections(Map, Options, BinHolder);
+ }
for (const auto &Obj : Map.objects()) {
+ // If there is no output specified or the reflection sections are present in
+ // the Input binary, there is no need to copy the Swift Reflection Metadata
+ if (!Options.NoOutput && !ReflectionSectionsPresentInBinary)
+ copySwiftReflectionMetadata(Obj.get(), Streamer.get());
+
// N_AST objects (swiftmodule files) should get dumped directly into the
// appropriate DWARF section.
if (Obj->getType() == MachO::N_AST) {
@@ -431,7 +515,6 @@ bool DwarfLinkerForBinary::link(const DebugMap &Map) {
continue;
}
-
if (auto ErrorOrObj = loadObject(*Obj, Map, RL))
GeneralLinker.addObjectFile(*ErrorOrObj);
else {
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