58f3c5e696
This supersedes https://github.com/llvm/llvm-project/pull/87818 and fixes https://github.com/llvm/llvm-project/issues/52767 When calculating arm64 thunks, we make a few assumptions that may not hold when considering code sections outside of `__text`: 1. That a section needs thunks only if its size is larger than the branch range. 2. That any calls into `__stubs` are necessarily forward jumps (that is, the section with the jump is ordered before `__stubs`) Sections like this exist in the wild, most prominently the `__lcxx_overrides` section introduced in https://github.com/llvm/llvm-project/pull/69498 This change: - Ensures that if one section in `__TEXT` gets thunks, all of them do. - Makes all code sections in `__TEXT` contiguous (and guaranteed to be placed before `__stubs`)
63 lines
1015 B
CMake
63 lines
1015 B
CMake
set(LLVM_TARGET_DEFINITIONS Options.td)
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tablegen(LLVM Options.inc -gen-opt-parser-defs)
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add_public_tablegen_target(MachOOptionsTableGen)
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include_directories(${LLVM_MAIN_SRC_DIR}/../libunwind/include)
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add_lld_library(lldMachO
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Arch/ARM64.cpp
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Arch/ARM64Common.cpp
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Arch/ARM64_32.cpp
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Arch/X86_64.cpp
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ConcatOutputSection.cpp
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Driver.cpp
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DriverUtils.cpp
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Dwarf.cpp
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EhFrame.cpp
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ExportTrie.cpp
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ICF.cpp
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InputFiles.cpp
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InputSection.cpp
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LTO.cpp
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MapFile.cpp
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MarkLive.cpp
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ObjC.cpp
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OutputSection.cpp
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OutputSegment.cpp
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Relocations.cpp
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SectionPriorities.cpp
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Sections.cpp
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SymbolTable.cpp
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Symbols.cpp
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SyntheticSections.cpp
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Target.cpp
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UnwindInfoSection.cpp
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Writer.cpp
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LINK_COMPONENTS
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${LLVM_TARGETS_TO_BUILD}
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BinaryFormat
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BitReader
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BitWriter
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Core
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DebugInfoDWARF
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Demangle
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LTO
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MC
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ObjCARCOpts
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Object
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Option
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Passes
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Support
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TargetParser
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TextAPI
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LINK_LIBS
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lldCommon
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${LLVM_PTHREAD_LIB}
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DEPENDS
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MachOOptionsTableGen
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${tablegen_deps}
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)
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