[llvm] [DirectX] Add ObjectFile boilerplate for objdump (PR #151434)
Chris B via llvm-commits
llvm-commits at lists.llvm.org
Thu Jul 31 06:09:26 PDT 2025
https://github.com/llvm-beanz updated https://github.com/llvm/llvm-project/pull/151434
>From 84a25fcc6890f0d665a04e3855e4c321733f563d Mon Sep 17 00:00:00 2001
From: Chris Bieneman <chris.bieneman at me.com>
Date: Wed, 30 Jul 2025 20:14:39 -0500
Subject: [PATCH 1/2] [DirectX] Add ObjectFile boilerplate for objdump
This change adds boilerplate code to implement the object::ObjectFile
interface for the DXContainer object file and an empty implementation
of the objdump Dumper object.
At this point in the implementation it can't do much other than dump
the part names, offsets, and sizes. Dumping detailed structured section
contents to be extended in subsequent PRs.
Fixes #151433
---
llvm/include/llvm-c/Object.h | 1 +
llvm/include/llvm/Object/Binary.h | 3 +
llvm/include/llvm/Object/DXContainer.h | 81 +++++++++
llvm/include/llvm/Object/ObjectFile.h | 4 +
llvm/lib/Object/Binary.cpp | 2 +-
llvm/lib/Object/DXContainer.cpp | 155 ++++++++++++++++++
llvm/lib/Object/Object.cpp | 2 +
llvm/lib/Object/ObjectFile.cpp | 4 +-
llvm/lib/Object/SymbolicFile.cpp | 2 +
.../DXContainer/part-headers.yaml | 58 +++++++
llvm/tools/llvm-objdump/CMakeLists.txt | 1 +
llvm/tools/llvm-objdump/DXContainerDump.cpp | 30 ++++
llvm/tools/llvm-objdump/llvm-objdump.cpp | 3 +
llvm/tools/llvm-objdump/llvm-objdump.h | 3 +
14 files changed, 347 insertions(+), 2 deletions(-)
create mode 100644 llvm/test/tools/llvm-objdump/DXContainer/part-headers.yaml
create mode 100644 llvm/tools/llvm-objdump/DXContainerDump.cpp
diff --git a/llvm/include/llvm-c/Object.h b/llvm/include/llvm-c/Object.h
index 0fc4ebe969a06..f24f768570c5e 100644
--- a/llvm/include/llvm-c/Object.h
+++ b/llvm/include/llvm-c/Object.h
@@ -55,6 +55,7 @@ typedef enum {
LLVMBinaryTypeMachO64B, /**< MachO 64-bit, big endian. */
LLVMBinaryTypeWasm, /**< Web Assembly. */
LLVMBinaryTypeOffload, /**< Offloading fatbinary. */
+ LLVMBinaryTypeDXcontainer, /**< DirectX Binary Container. */
} LLVMBinaryType;
diff --git a/llvm/include/llvm/Object/Binary.h b/llvm/include/llvm/Object/Binary.h
index bd98f40dbc706..a531ba6a812c4 100644
--- a/llvm/include/llvm/Object/Binary.h
+++ b/llvm/include/llvm/Object/Binary.h
@@ -72,6 +72,7 @@ class LLVM_ABI Binary {
ID_GOFF,
ID_Wasm,
+ ID_DXContainer,
ID_EndObjects
};
@@ -161,6 +162,8 @@ class LLVM_ABI Binary {
bool isWinRes() const { return TypeID == ID_WinRes; }
+ bool isDXContainer() const { return TypeID == ID_DXContainer; }
+
Triple::ObjectFormatType getTripleObjectFormat() const {
if (isCOFF())
return Triple::COFF;
diff --git a/llvm/include/llvm/Object/DXContainer.h b/llvm/include/llvm/Object/DXContainer.h
index 51f570da6df52..274efeee96c7c 100644
--- a/llvm/include/llvm/Object/DXContainer.h
+++ b/llvm/include/llvm/Object/DXContainer.h
@@ -20,6 +20,7 @@
#include "llvm/ADT/Twine.h"
#include "llvm/BinaryFormat/DXContainer.h"
#include "llvm/Object/Error.h"
+#include "llvm/Object/ObjectFile.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/Endian.h"
#include "llvm/Support/Error.h"
@@ -499,6 +500,7 @@ class DXContainer {
} IteratorState;
friend class DXContainer;
+ friend class DXContainerObjectFile;
PartIterator(const DXContainer &C,
SmallVectorImpl<uint32_t>::const_iterator It)
@@ -584,6 +586,85 @@ class DXContainer {
}
};
+class DXContainerObjectFile : public ObjectFile {
+private:
+ friend class ObjectFile;
+ DXContainer Container;
+
+ using PartData = DXContainer::PartIterator::PartData;
+ llvm::SmallVector<PartData> Parts;
+ using PartIterator = llvm::SmallVector<PartData>::iterator;
+
+ DXContainerObjectFile(DXContainer C)
+ : ObjectFile(ID_DXContainer, MemoryBufferRef(C.getData(), "")),
+ Container(C) {
+ for (auto &P : C)
+ Parts.push_back(P);
+ }
+
+public:
+ static bool classof(const Binary *v) { return v->isDXContainer(); }
+
+ Expected<StringRef> getSymbolName(DataRefImpl) const override { return ""; }
+ Expected<uint64_t> getSymbolAddress(DataRefImpl Symb) const override;
+ uint64_t getSymbolValueImpl(DataRefImpl Symb) const override { return 0; }
+ uint64_t getCommonSymbolSizeImpl(DataRefImpl Symb) const override {
+ return 0;
+ }
+ Expected<SymbolRef::Type> getSymbolType(DataRefImpl Symb) const override {
+ return SymbolRef::Type::ST_Unknown;
+ }
+
+ Expected<section_iterator> getSymbolSection(DataRefImpl Symb) const override;
+ void moveSectionNext(DataRefImpl &Sec) const override;
+ Expected<StringRef> getSectionName(DataRefImpl Sec) const override;
+ uint64_t getSectionAddress(DataRefImpl Sec) const override;
+ uint64_t getSectionIndex(DataRefImpl Sec) const override;
+ uint64_t getSectionSize(DataRefImpl Sec) const override;
+ Expected<ArrayRef<uint8_t>>
+ getSectionContents(DataRefImpl Sec) const override;
+
+ uint64_t getSectionAlignment(DataRefImpl Sec) const override;
+ bool isSectionCompressed(DataRefImpl Sec) const override;
+ bool isSectionText(DataRefImpl Sec) const override;
+ bool isSectionData(DataRefImpl Sec) const override;
+ bool isSectionBSS(DataRefImpl Sec) const override;
+ bool isSectionVirtual(DataRefImpl Sec) const override;
+
+ relocation_iterator section_rel_begin(DataRefImpl Sec) const override;
+ relocation_iterator section_rel_end(DataRefImpl Sec) const override;
+
+ void moveRelocationNext(DataRefImpl &Rel) const override;
+ uint64_t getRelocationOffset(DataRefImpl Rel) const override;
+ symbol_iterator getRelocationSymbol(DataRefImpl Rel) const override;
+ uint64_t getRelocationType(DataRefImpl Rel) const override;
+ void getRelocationTypeName(DataRefImpl Rel,
+ SmallVectorImpl<char> &Result) const override;
+
+ section_iterator section_begin() const override;
+ section_iterator section_end() const override;
+
+ uint8_t getBytesInAddress() const override;
+ StringRef getFileFormatName() const override;
+ Triple::ArchType getArch() const override;
+ Expected<SubtargetFeatures> getFeatures() const override;
+
+ void moveSymbolNext(DataRefImpl &Symb) const override {}
+ Error printSymbolName(raw_ostream &OS, DataRefImpl Symb) const override;
+ Expected<uint32_t> getSymbolFlags(DataRefImpl Symb) const override {
+ return 0;
+ }
+ basic_symbol_iterator symbol_begin() const override {
+ return basic_symbol_iterator(SymbolRef());
+ }
+ basic_symbol_iterator symbol_end() const override {
+ return basic_symbol_iterator(SymbolRef());
+ }
+ bool is64Bit() const override { return 0; }
+
+ bool isRelocatableObject() const override { return false; }
+};
+
} // namespace object
} // namespace llvm
diff --git a/llvm/include/llvm/Object/ObjectFile.h b/llvm/include/llvm/Object/ObjectFile.h
index 613c36a6a56d7..289cc770e3466 100644
--- a/llvm/include/llvm/Object/ObjectFile.h
+++ b/llvm/include/llvm/Object/ObjectFile.h
@@ -44,6 +44,7 @@ class SectionRef;
class SymbolRef;
class symbol_iterator;
class WasmObjectFile;
+class DXContainerObjectFile;
using section_iterator = content_iterator<SectionRef>;
@@ -401,6 +402,9 @@ class LLVM_ABI ObjectFile : public SymbolicFile {
static Expected<std::unique_ptr<WasmObjectFile>>
createWasmObjectFile(MemoryBufferRef Object);
+
+ static Expected<std::unique_ptr<DXContainerObjectFile>>
+ createDXContainerObjectFile(MemoryBufferRef Object);
};
/// A filtered iterator for SectionRefs that skips sections based on some given
diff --git a/llvm/lib/Object/Binary.cpp b/llvm/lib/Object/Binary.cpp
index 2dfae8ab5d3c6..da2a7bb0a19da 100644
--- a/llvm/lib/Object/Binary.cpp
+++ b/llvm/lib/Object/Binary.cpp
@@ -75,6 +75,7 @@ Expected<std::unique_ptr<Binary>> object::createBinary(MemoryBufferRef Buffer,
case file_magic::xcoff_object_32:
case file_magic::xcoff_object_64:
case file_magic::wasm_object:
+ case file_magic::dxcontainer_object:
return ObjectFile::createSymbolicFile(Buffer, Type, Context, InitContent);
case file_magic::macho_universal_binary:
return MachOUniversalBinary::create(Buffer);
@@ -87,7 +88,6 @@ Expected<std::unique_ptr<Binary>> object::createBinary(MemoryBufferRef Buffer,
case file_magic::clang_ast:
case file_magic::cuda_fatbinary:
case file_magic::coff_cl_gl_object:
- case file_magic::dxcontainer_object:
case file_magic::offload_bundle:
case file_magic::offload_bundle_compressed:
case file_magic::spirv_object:
diff --git a/llvm/lib/Object/DXContainer.cpp b/llvm/lib/Object/DXContainer.cpp
index 0b46ff71240b7..cab49fc685982 100644
--- a/llvm/lib/Object/DXContainer.cpp
+++ b/llvm/lib/Object/DXContainer.cpp
@@ -11,6 +11,7 @@
#include "llvm/Object/Error.h"
#include "llvm/Support/Endian.h"
#include "llvm/Support/FormatVariadic.h"
+#include "llvm/TargetParser/SubtargetFeature.h"
using namespace llvm;
using namespace llvm::object;
@@ -515,3 +516,157 @@ uint8_t DirectX::PSVRuntimeInfo::getSigPatchOrPrimCount() const {
return P->SigPatchOrPrimElements;
return 0;
}
+
+class DXNotSupportedError : public ErrorInfo<DXNotSupportedError> {
+public:
+ static char ID;
+
+ DXNotSupportedError(StringRef S) : FeatureString(S) {}
+
+ void log(raw_ostream &OS) const override {
+ OS << "DXContainer does not support " << FeatureString;
+ }
+
+ std::error_code convertToErrorCode() const override {
+ return inconvertibleErrorCode();
+ }
+
+private:
+ StringRef FeatureString;
+};
+
+char DXNotSupportedError::ID = 0;
+
+Expected<section_iterator>
+DXContainerObjectFile::getSymbolSection(DataRefImpl Symb) const {
+ return make_error<DXNotSupportedError>("Symbol sections");
+}
+
+Expected<uint64_t>
+DXContainerObjectFile::getSymbolAddress(DataRefImpl Symb) const {
+ return make_error<DXNotSupportedError>("Symbol addresses");
+}
+
+void DXContainerObjectFile::moveSectionNext(DataRefImpl &Sec) const {
+ PartIterator It = reinterpret_cast<PartIterator>(Sec.p);
+ if (It == Parts.end())
+ return;
+
+ It++;
+ Sec.p = reinterpret_cast<uintptr_t>(It);
+}
+
+Expected<StringRef>
+DXContainerObjectFile::getSectionName(DataRefImpl Sec) const {
+ PartIterator It = reinterpret_cast<PartIterator>(Sec.p);
+ return StringRef(It->Part.getName());
+}
+
+uint64_t DXContainerObjectFile::getSectionAddress(DataRefImpl Sec) const {
+ PartIterator It = reinterpret_cast<PartIterator>(Sec.p);
+ return It->Offset;
+}
+
+uint64_t DXContainerObjectFile::getSectionIndex(DataRefImpl Sec) const {
+ return (Sec.p - reinterpret_cast<uintptr_t>(Parts.begin())) /
+ sizeof(PartIterator);
+}
+
+uint64_t DXContainerObjectFile::getSectionSize(DataRefImpl Sec) const {
+ PartIterator It = reinterpret_cast<PartIterator>(Sec.p);
+ return It->Data.size();
+}
+Expected<ArrayRef<uint8_t>>
+DXContainerObjectFile::getSectionContents(DataRefImpl Sec) const {
+ PartIterator It = reinterpret_cast<PartIterator>(Sec.p);
+ return ArrayRef<uint8_t>(It->Data.bytes_begin(), It->Data.size());
+}
+
+uint64_t DXContainerObjectFile::getSectionAlignment(DataRefImpl Sec) const {
+ return 1;
+}
+
+bool DXContainerObjectFile::isSectionCompressed(DataRefImpl Sec) const {
+ return false;
+}
+
+bool DXContainerObjectFile::isSectionText(DataRefImpl Sec) const {
+ return false;
+}
+
+bool DXContainerObjectFile::isSectionData(DataRefImpl Sec) const {
+ return false;
+}
+
+bool DXContainerObjectFile::isSectionBSS(DataRefImpl Sec) const {
+ return false;
+}
+
+bool DXContainerObjectFile::isSectionVirtual(DataRefImpl Sec) const {
+ return false;
+}
+
+relocation_iterator
+DXContainerObjectFile::section_rel_begin(DataRefImpl Sec) const {
+ return relocation_iterator(RelocationRef());
+}
+
+relocation_iterator
+DXContainerObjectFile::section_rel_end(DataRefImpl Sec) const {
+ return relocation_iterator(RelocationRef());
+}
+
+void DXContainerObjectFile::moveRelocationNext(DataRefImpl &Rel) const {}
+
+uint64_t DXContainerObjectFile::getRelocationOffset(DataRefImpl Rel) const {
+ return 0;
+}
+
+symbol_iterator
+DXContainerObjectFile::getRelocationSymbol(DataRefImpl Rel) const {
+ return symbol_iterator(SymbolRef());
+}
+
+uint64_t DXContainerObjectFile::getRelocationType(DataRefImpl Rel) const {
+ return 0;
+}
+
+void DXContainerObjectFile::getRelocationTypeName(
+ DataRefImpl Rel, SmallVectorImpl<char> &Result) const {}
+
+section_iterator DXContainerObjectFile::section_begin() const {
+ DataRefImpl Sec;
+ Sec.p = reinterpret_cast<uintptr_t>(Parts.begin());
+ return section_iterator(SectionRef(Sec, this));
+}
+section_iterator DXContainerObjectFile::section_end() const {
+ DataRefImpl Sec;
+ Sec.p = reinterpret_cast<uintptr_t>(Parts.end());
+ return section_iterator(SectionRef(Sec, this));
+}
+
+uint8_t DXContainerObjectFile::getBytesInAddress() const { return 4; }
+
+StringRef DXContainerObjectFile::getFileFormatName() const {
+ return "DirectX Container";
+}
+
+Triple::ArchType DXContainerObjectFile::getArch() const { return Triple::dxil; }
+
+Expected<SubtargetFeatures> DXContainerObjectFile::getFeatures() const {
+ return SubtargetFeatures();
+}
+
+Error DXContainerObjectFile::printSymbolName(raw_ostream &OS,
+ DataRefImpl Symb) const {
+ return make_error<DXNotSupportedError>("Symbol names");
+}
+
+Expected<std::unique_ptr<DXContainerObjectFile>>
+ObjectFile::createDXContainerObjectFile(MemoryBufferRef Object) {
+ auto ExC = DXContainer::create(Object);
+ if (!ExC)
+ return ExC.takeError();
+ std::unique_ptr<DXContainerObjectFile> Obj(new DXContainerObjectFile(*ExC));
+ return std::move(Obj);
+}
diff --git a/llvm/lib/Object/Object.cpp b/llvm/lib/Object/Object.cpp
index c62944ad3eeba..112927ed69e84 100644
--- a/llvm/lib/Object/Object.cpp
+++ b/llvm/lib/Object/Object.cpp
@@ -124,6 +124,8 @@ LLVMBinaryType LLVMBinaryGetType(LLVMBinaryRef BR) {
return LLVMBinaryTypeOffload;
case ID_Wasm:
return LLVMBinaryTypeWasm;
+ case ID_DXContainer:
+ return LLVMBinaryTypeDXcontainer;
case ID_StartObjects:
case ID_EndObjects:
llvm_unreachable("Marker types are not valid binary kinds!");
diff --git a/llvm/lib/Object/ObjectFile.cpp b/llvm/lib/Object/ObjectFile.cpp
index 6a226a3bbdbca..b0e4ea0a51ba1 100644
--- a/llvm/lib/Object/ObjectFile.cpp
+++ b/llvm/lib/Object/ObjectFile.cpp
@@ -15,6 +15,7 @@
#include "llvm/BinaryFormat/Magic.h"
#include "llvm/Object/Binary.h"
#include "llvm/Object/COFF.h"
+#include "llvm/Object/DXContainer.h"
#include "llvm/Object/Error.h"
#include "llvm/Object/MachO.h"
#include "llvm/Object/Wasm.h"
@@ -165,7 +166,6 @@ ObjectFile::createObjectFile(MemoryBufferRef Object, file_magic Type,
case file_magic::goff_object:
case file_magic::cuda_fatbinary:
case file_magic::offload_binary:
- case file_magic::dxcontainer_object:
case file_magic::offload_bundle:
case file_magic::offload_bundle_compressed:
case file_magic::spirv_object:
@@ -201,6 +201,8 @@ ObjectFile::createObjectFile(MemoryBufferRef Object, file_magic Type,
return createXCOFFObjectFile(Object, Binary::ID_XCOFF64);
case file_magic::wasm_object:
return createWasmObjectFile(Object);
+ case file_magic::dxcontainer_object:
+ return createDXContainerObjectFile(Object);
}
llvm_unreachable("Unexpected Object File Type");
}
diff --git a/llvm/lib/Object/SymbolicFile.cpp b/llvm/lib/Object/SymbolicFile.cpp
index e87ecb1491090..47295e6027f2c 100644
--- a/llvm/lib/Object/SymbolicFile.cpp
+++ b/llvm/lib/Object/SymbolicFile.cpp
@@ -68,6 +68,7 @@ SymbolicFile::createSymbolicFile(MemoryBufferRef Object, file_magic Type,
case file_magic::xcoff_object_32:
case file_magic::xcoff_object_64:
case file_magic::wasm_object:
+ case file_magic::dxcontainer_object:
return ObjectFile::createObjectFile(Object, Type, InitContent);
case file_magic::coff_import_library:
return std::unique_ptr<SymbolicFile>(new COFFImportFile(Object));
@@ -123,6 +124,7 @@ bool SymbolicFile::isSymbolicFile(file_magic Type, const LLVMContext *Context) {
case file_magic::elf_relocatable:
case file_magic::macho_object:
case file_magic::coff_object:
+ case file_magic::dxcontainer_object:
return true;
default:
return false;
diff --git a/llvm/test/tools/llvm-objdump/DXContainer/part-headers.yaml b/llvm/test/tools/llvm-objdump/DXContainer/part-headers.yaml
new file mode 100644
index 0000000000000..dd1ffb634e996
--- /dev/null
+++ b/llvm/test/tools/llvm-objdump/DXContainer/part-headers.yaml
@@ -0,0 +1,58 @@
+# RUN: yaml2obj %s -o %t
+# RUN: llvm-objdump -h %t | FileCheck %s --check-prefix=HEADERS
+# RUN: llvm-objdump -s %t | FileCheck %s --check-prefix=CONTENTS
+
+#HEADERS: Idx Name Size VMA Type
+#HEADERS-NEXT: 0 FKE0 00000008 0000003c
+#HEADERS-NEXT: 1 FKE1 00000008 0000004c
+#HEADERS-NEXT: 2 FKE2 00000008 0000005c
+#HEADERS-NEXT: 3 FKE3 00000078 0000006c
+#HEADERS-NEXT: 4 FKE4 00000698 000000ec
+#HEADERS-NEXT: 5 FKE5 00000014 0000078c
+#HEADERS-NEXT: 6 DXIL 0000001c 000007a8
+
+#CONTENTS: Contents of section FKE0:
+#CONTENTS: Contents of section FKE1:
+#CONTENTS: Contents of section FKE2:
+#CONTENTS: Contents of section FKE3:
+#CONTENTS: Contents of section FKE4:
+#CONTENTS: Contents of section FKE5:
+#CONTENTS: Contents of section DXIL:
+#CONTENTS-NEXT: 07a8 65000500 08000000 4458494c 05010000 e.......DXIL....
+#CONTENTS-NEXT: 07b8 10000000 04000000 4243c0de ........BC..
+
+--- !dxcontainer
+Header:
+ Hash: [ 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
+ 0x0, 0x0, 0x0, 0x0, 0x0, 0x0 ]
+ Version:
+ Major: 1
+ Minor: 0
+ FileSize: 3548
+ PartCount: 7
+ PartOffsets: [ 60, 76, 92, 108, 236, 1932, 1960 ]
+Parts:
+ - Name: FKE0
+ Size: 8
+ - Name: FKE1
+ Size: 8
+ - Name: FKE2
+ Size: 8
+ - Name: FKE3
+ Size: 120
+ - Name: FKE4
+ Size: 1688
+ - Name: FKE5
+ Size: 20
+ - Name: DXIL
+ Size: 28
+ Program:
+ MajorVersion: 6
+ MinorVersion: 5
+ ShaderKind: 5
+ Size: 8
+ DXILMajorVersion: 1
+ DXILMinorVersion: 5
+ DXILSize: 4
+ DXIL: [ 0x42, 0x43, 0xC0, 0xDE, ]
+...
diff --git a/llvm/tools/llvm-objdump/CMakeLists.txt b/llvm/tools/llvm-objdump/CMakeLists.txt
index 7e3197f0a0bd3..41d301cd3d77d 100644
--- a/llvm/tools/llvm-objdump/CMakeLists.txt
+++ b/llvm/tools/llvm-objdump/CMakeLists.txt
@@ -28,6 +28,7 @@ add_llvm_tool(llvm-objdump
llvm-objdump.cpp
SourcePrinter.cpp
COFFDump.cpp
+ DXContainerDump.cpp
ELFDump.cpp
MachODump.cpp
OffloadDump.cpp
diff --git a/llvm/tools/llvm-objdump/DXContainerDump.cpp b/llvm/tools/llvm-objdump/DXContainerDump.cpp
new file mode 100644
index 0000000000000..8ca01873f2ad8
--- /dev/null
+++ b/llvm/tools/llvm-objdump/DXContainerDump.cpp
@@ -0,0 +1,30 @@
+//===-- DXContainerDump.cpp - DXContainer-specific dumper -----------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+///
+/// \file
+/// This file implements the DXContainer-specific dumper for llvm-objdump.
+///
+//===----------------------------------------------------------------------===//
+
+#include "llvm-objdump.h"
+#include "llvm/Object/DXContainer.h"
+
+using namespace llvm;
+
+namespace {
+class DXContainerDumper : public objdump::Dumper {
+public:
+ DXContainerDumper(const object::DXContainerObjectFile &Obj)
+ : objdump::Dumper(Obj) {}
+};
+} // namespace
+
+std::unique_ptr<objdump::Dumper> llvm::objdump::createDXContainerDumper(
+ const object::DXContainerObjectFile &Obj) {
+ return std::make_unique<DXContainerDumper>(Obj);
+}
diff --git a/llvm/tools/llvm-objdump/llvm-objdump.cpp b/llvm/tools/llvm-objdump/llvm-objdump.cpp
index 0316c4ba51da6..60365a698433c 100644
--- a/llvm/tools/llvm-objdump/llvm-objdump.cpp
+++ b/llvm/tools/llvm-objdump/llvm-objdump.cpp
@@ -50,6 +50,7 @@
#include "llvm/Object/BuildID.h"
#include "llvm/Object/COFF.h"
#include "llvm/Object/COFFImportFile.h"
+#include "llvm/Object/DXContainer.h"
#include "llvm/Object/ELFObjectFile.h"
#include "llvm/Object/ELFTypes.h"
#include "llvm/Object/FaultMapParser.h"
@@ -386,6 +387,8 @@ static Expected<std::unique_ptr<Dumper>> createDumper(const ObjectFile &Obj) {
return createWasmDumper(*O);
if (const auto *O = dyn_cast<XCOFFObjectFile>(&Obj))
return createXCOFFDumper(*O);
+ if (const auto *O = dyn_cast<DXContainerObjectFile>(&Obj))
+ return createDXContainerDumper(*O);
return createStringError(errc::invalid_argument,
"unsupported object file format");
diff --git a/llvm/tools/llvm-objdump/llvm-objdump.h b/llvm/tools/llvm-objdump/llvm-objdump.h
index ce0642950ebdd..3525be9a5314a 100644
--- a/llvm/tools/llvm-objdump/llvm-objdump.h
+++ b/llvm/tools/llvm-objdump/llvm-objdump.h
@@ -36,6 +36,7 @@ class ELFObjectFileBase;
class MachOObjectFile;
class WasmObjectFile;
class XCOFFObjectFile;
+class DXContainer;
} // namespace object
namespace objdump {
@@ -105,6 +106,8 @@ std::unique_ptr<Dumper> createELFDumper(const object::ELFObjectFileBase &Obj);
std::unique_ptr<Dumper> createMachODumper(const object::MachOObjectFile &Obj);
std::unique_ptr<Dumper> createWasmDumper(const object::WasmObjectFile &Obj);
std::unique_ptr<Dumper> createXCOFFDumper(const object::XCOFFObjectFile &Obj);
+std::unique_ptr<Dumper>
+createDXContainerDumper(const object::DXContainerObjectFile &Obj);
// Various helper functions.
>From acacb7d3555f6a75922a583cd0e7f07661595e54 Mon Sep 17 00:00:00 2001
From: Chris Bieneman <chris.bieneman at me.com>
Date: Thu, 31 Jul 2025 08:08:55 -0500
Subject: [PATCH 2/2] Updates based on PR feedback from @MaskRay.
../llvm/test/tools/llvm-objdump/DXContainer/part-headers.yaml
---
llvm/lib/Object/DXContainer.cpp | 2 +-
llvm/test/tools/llvm-objdump/DXContainer/part-headers.yaml | 6 ++++++
llvm/tools/llvm-objdump/DXContainerDump.cpp | 2 +-
3 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/llvm/lib/Object/DXContainer.cpp b/llvm/lib/Object/DXContainer.cpp
index cab49fc685982..e2e8f9fdd5572 100644
--- a/llvm/lib/Object/DXContainer.cpp
+++ b/llvm/lib/Object/DXContainer.cpp
@@ -552,7 +552,7 @@ void DXContainerObjectFile::moveSectionNext(DataRefImpl &Sec) const {
if (It == Parts.end())
return;
- It++;
+ ++It;
Sec.p = reinterpret_cast<uintptr_t>(It);
}
diff --git a/llvm/test/tools/llvm-objdump/DXContainer/part-headers.yaml b/llvm/test/tools/llvm-objdump/DXContainer/part-headers.yaml
index dd1ffb634e996..c989705a1a122 100644
--- a/llvm/test/tools/llvm-objdump/DXContainer/part-headers.yaml
+++ b/llvm/test/tools/llvm-objdump/DXContainer/part-headers.yaml
@@ -12,11 +12,17 @@
#HEADERS-NEXT: 6 DXIL 0000001c 000007a8
#CONTENTS: Contents of section FKE0:
+#CONTENTS: 003c 00000000 00000000 ........
#CONTENTS: Contents of section FKE1:
+#CONTENTS: 004c 00000000 00000000 ........
#CONTENTS: Contents of section FKE2:
+#CONTENTS: 005c 00000000 00000000 ........
#CONTENTS: Contents of section FKE3:
+#CONTENTS: 006c 00000000 00000000 00000000 00000000 ................
#CONTENTS: Contents of section FKE4:
+#CONTENTS: 00ec 00000000 00000000 00000000 00000000 ................
#CONTENTS: Contents of section FKE5:
+#CONTENTS: 078c 00000000 00000000 00000000 00000000 ................
#CONTENTS: Contents of section DXIL:
#CONTENTS-NEXT: 07a8 65000500 08000000 4458494c 05010000 e.......DXIL....
#CONTENTS-NEXT: 07b8 10000000 04000000 4243c0de ........BC..
diff --git a/llvm/tools/llvm-objdump/DXContainerDump.cpp b/llvm/tools/llvm-objdump/DXContainerDump.cpp
index 8ca01873f2ad8..7e766fdafb458 100644
--- a/llvm/tools/llvm-objdump/DXContainerDump.cpp
+++ b/llvm/tools/llvm-objdump/DXContainerDump.cpp
@@ -1,4 +1,4 @@
-//===-- DXContainerDump.cpp - DXContainer-specific dumper -----------------===//
+//===-- DXContainerDump.cpp -----------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
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