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[CI ONLY] [NativeAOT] ObjWriter in C# - #92705

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filipnavara wants to merge 120 commits into

dotnet:mainfrom

filipnavara:objwriter3

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[CI ONLY] [NativeAOT] ObjWriter in C##92705
filipnavara wants to merge 120 commits into
dotnet:mainfrom
filipnavara:objwriter3

Commits on Dec 11, 2023
- Move ObjectWriter and ObjectWritingOptions into its own namespace
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  ab2e067
- Add external sources for Melanzana.MachO and LibObjectFile
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  ebef200
- Disable versioning NuGets in external projects (MinVer, Nerdbank.GitVersioning), reference the projects
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  f1bccfd
- Add first draft of MachO and ELF object writers
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  eae83de
- Generate relocatable DWARF info in ELF, fix X64 register mapping
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  04a4c34
- Fix writing base address with relocations
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  a889ee7
- Emit information about static variables, minor DWARF fixes
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  e1733e7
- Fix generated section layout in symbol table for Mach-O after EmitSymbolTable was moved past EmitDebugSections
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  ce591f7
- Add support for ARM64 ELF
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  2f52a06
- Add ObjectWriter class and derive UnixObjectWriter from it
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  bd94741
- Add initial take on CoffObjectWriter
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  e8e3ef3
- Emit control flow guard information
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  212d4c2
- Add win-arm64 support
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  8fec3ff
- Misc cleanups of the COFF object writer
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  0b1a508
- Remove GetSection
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  5e96cd2
- Add COFF COMDAT support
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  4fde393
- Add support for writing extended COFF object files (> 65279 sections)
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  1f71dc5
- Wrap some logic in SectionWriter struct; clean up code
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  88ce825
- Emit GNU-stack note in ELF
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  c27cb58
- Propagate DWARF5 option
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  dbee5e1
- Initial take on CodeView type section builder
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  101e8c0
- Move SectionWriter out of ObjectWriter so it can be used by other builder classes
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  d1f7644
- Switch DwarfEhFrame to use UnixObjectWriter
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  51f143c
- WIP: CodeView debugging information
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  8f7384b
- WIP: CodeView line mapping
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  5f034a1
- WIP: CodeView restructuring
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  1958033
- CodeView cleanup
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  718a936
- CodeView: Handle continuation records in lists
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  711c987
- Add comments and asserts
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  3a78e7a
- Emit CodeView symbols correctly when COMDAT is used
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  6540fd5
- Minor cleanup in CodeView, add ARM64 register mapping
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  b5390a0
- Optimize memory usage when writing section content
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  43416ce
- CodeView: Fix emitting size of big structures
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  cbe9608
- Fix too aggressive zeroing of buffer
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  a028b32
- Make sure not to dereference null returned from _debugInfo.GetLocalVariables()
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  868b8e2
- HACK: Do not emit debug information where LLVM ObjWriter would not.
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  6a6bda8
- Avoid some unnecessary name mangling calls
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  c06c030
- Cache mangled names
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  5fdb1c1
- Fix ArgumentOutOfRangeException when writing DWARF debug info
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  822d513
- Fix build after rebase
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  b6b8c93
- Add support for SectionType.Uninitialized
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  90e652c
- Add support for iOS-like platforms
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  eb14514
- Invoke object dumper from shared ObjectWriter
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  d96c8e1
- macOS/iOS: Emit simple compact unwinding information
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  12ed8d0
- Add support for new TLS relocations in ELF
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  039c87c
- Generate debug info even if managed debug info not present
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  78fd4ef
- Fix counting the DwarfLineProgramTable layout (backport of https://github.com/xoofx/LibObjectFile/commit/dcf2ac5bd79953a54ad1fb8c1ca3627616bdf58f)
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  716c282
- Remove incorrect assert in MachObjectWriter (text section starts at virtual address 0)
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  fd65a27
- Temporarily disable optimization that results in incorrect LSDA pointer; needs to be investigated
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  afafc76
- Fix emitting unwind tables in Mach-O
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  9428098
- Emit the MH_SUBSECTIONS_VIA_SYMBOLS header flag for Mach-O
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  ab5f878
- Fix seeking in ObjectWriterStream
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  44a9057
- Avoid excessive seeks by implementing SliceStream.CopyTo
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  9048667
- Use ObjectWriterStream in ElfObjectWriter
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  cc1975e
- Use ObjectWriterStream for Mach-O
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  52d5584
- Fix setting the UNWIND_HAS_LSDA flag in compact unwind table
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  789cda4
- COFF:
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  0ddefe2
- COFF: Fix off-by-one error when writing more than 0xffff relocations for a section
  filipnavara
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  afcd1e4
- Make ObjectWriterStream the only supported stream and fix padding emitted in code sections
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  e5cf2e3
- Fix scope overlapping in NAOT DWARF info (backport of https://github.com/dotnet/llvm-project/pull/444)
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  ee21394
- ELF: Use the address of __managedcode in DWARF info (backport of https://github.com/dotnet/llvm-project/pull/448)
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  efd5b92
- ELF: Fix emitting global symbols
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  1fd9f55
- ELF: Fix TLS support on linux-x64 Release builds
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  ab2be43
- Return sorted set from GetUndefinedSymbols to avoid extra sorting
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  6de5920
- COFF: Fix generating COMDAT section references in big-obj files
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  f5017bc
- Generate Mach-O for iOS-like platforms, not ELF
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  2f5c20c
- Fix EH frames on linux-arm64
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  1c0fc8d
- COFF: Support addend for IMAGE_REL_BASED_ARM64_PAGEOFFSET_12A relocation
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  1176432
- COFF: Emit alignment for .pdata section
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  dcaea22
- Fix padding emitted in ObjectWriterStream.AppendPadding
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  553cce4
- Fix ObjectWriterStream.Position setter (again)
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  b00650b
- COFF: Emit .pdata/.xdata as associative COMDAT sections/symbols
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  f713a2b
- ELF/LibObjectFile experiment: Add support for building optimized string table
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  97435c0
- LibObjectFile: Add support for >= 0xff00 sections
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  c0ede64
- ELF: Add basic COMDAT support, don't emit empty relocation sections
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  b81765f
- ELF: Emit correct addresses and relocations in debug info, referencesection addresses using DW_AT_RANGES which can work with multiple sections
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  dfa9a82
- Add missing StringComparer.Ordinal to dictionaries
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  1dff572
- Remove incorrect assert
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  7821383
- WIP: Rewritten DWARF debug info emitter
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  632b638
- Fix state change in ObjectWriterStream triggering an Assert
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  9124e97
- WIP: Mach-O/DWARF
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  a7aa171
- DWARF Mach-O relocations done right
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  e025342
- Do not output debug information for static variables that were trimmed
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  5365b73
- WIP: Cleanup
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  bf697f7
- Rework how symbol tables are generated, and how DWARF relocations are emitted
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  6cd80a2
- Revert accidental change
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  1d921ca
- Update LibObjectFile to version 0.5.0.
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  4d3f9d6
- Fix ELF section symbols and DW_AT_low_pc in DWARF debug info
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  3c06121
- Disable MinVer package in LibObjectFile
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  5b80655
- ELF: Generate symbol table section index if there's more than 0xff00 sections
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  6366906
- Revert "Do not output debug information for static variables that were trimmed"
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  eb8c2af
- Fix typo
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  d8265ab
- Fix null dereference in CoffObjectWriter.CreateSection
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  9057747
- COFF: Add X86 support (tested on SmolSharp.HelloWorld)
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  a303401
- Fix COMDAT symbol values
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  97a494f
- Do not generate broken debug info for non-methods
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  f0306c8
- Add generic StringTableBuilder and use it in COFF
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  ad50dfb
- Fix couple of bugs in last commit:
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  8bbdce3
- COFF: Add support for '//BBBBBB' section names.
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  9c883a4
- Add simple ELF writer
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  93fb572
- Port from main: Fix generating debug info for static fields
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  1b08ff9
- Add (untested) x86 support to ElfObjectWriter
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  819f2d0
- Cleanup
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  6ef6e79
- Move Dwarf/CodeView files into their respective directories
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  094cdf0
- Make bulk of the ObjectWriter classes internal, improve logging
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  95a1fca
- Use IBinaryInteger for WriteLittleEndian helper method
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  10bb132
- Add simple Mach-O object file writer that doesn't use Melanzana.MachO
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  28ee6ca
- Rename LlvmObjectWriter to LegacyObjectWriter to prevent conflict with NativeAOT-LLVM branch
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  c219e63
- Mach-O: Swap the order of symbol table and string table to make strip command happy
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  3d53df5
- Fix the CPU type/subtype
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  fd274ed
- Fix Release build
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  9f69232
- Eliminate relocations for known symbols within the same section
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  7213ce7
- Fix IMAGE_REL_BASED_ARM64_BRANCH26
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  0e9c899
- Attempt to fix CI errors
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  618e8c5
- Fix incorrect addends in COFF
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  558c2d6
- Fix ELF rela section flags; omit frame symbols for ELF
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  56ae35f
- Split the writing and reading part of section data
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  ec4d5fa
- Cleanup
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  b8be8b6
- Pattern matching consistency
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  e3499e3
- Comments, more cleanup
  filipnavara
  committed
  c7b4984

Commits

Commits on Dec 11, 2023