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macho: faster and more memory efficient linker #13260

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Merged
merged 18 commits into from
Oct 22, 2022
Merged

macho: faster and more memory efficient linker #13260

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d57639a
macho: upstream rewritten traditional linker, zld
kubkon Oct 18, 2022
04a590a
macho: remove unused nlist flags
kubkon Oct 19, 2022
a32bc0e
macho: fix 32bit build
kubkon Oct 19, 2022
baceaf6
macho: fix incorrectly erroring out with multiple sym definition
kubkon Oct 19, 2022
e70adc7
macho: skip parsing __eh_frame until we know how to handle it
kubkon Oct 19, 2022
33d1942
macho: always create __TEXT segment
kubkon Oct 19, 2022
5b9eaf2
macho: do not assume __la_symbol_ptr was created
kubkon Oct 19, 2022
c15e03a
macho: fix bug in incorrectly splicing nodes in trie
kubkon Oct 19, 2022
15f1e6a
macho: fix silly error where we would incorrectly skip a valid binding
kubkon Oct 19, 2022
bc1e714
macho: revert changes to file descriptors mgmt
kubkon Oct 19, 2022
5edb8e0
macho: relax SUBTRACTOR assumption it not being a defined global
kubkon Oct 20, 2022
2c2ff45
macho: fix handling of lack of subsections and tracking of inner symbols
kubkon Oct 20, 2022
5823f19
macho: gracefully handle uninitialized symtabs in objects
kubkon Oct 20, 2022
93cc549
macho: rewrite movq to leaq when TLV is not external pointer
kubkon Oct 20, 2022
f8cbe29
macho: fix incorrect lookup of symbols when calculating subtractors
kubkon Oct 20, 2022
0cc4d54
macho: do not skip over SUBTRACTOR reloc when dead stripping
kubkon Oct 20, 2022
086cee8
macho: refactor dead code stripping conditions
kubkon Oct 21, 2022
593b75b
macho: some docs
kubkon Oct 22, 2022
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4 changes: 4 additions & 0 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -768,11 +768,15 @@ set(ZIG_STAGE2_SOURCES
"${CMAKE_SOURCE_DIR}/src/link/MachO/Atom.zig"
"${CMAKE_SOURCE_DIR}/src/link/MachO/CodeSignature.zig"
"${CMAKE_SOURCE_DIR}/src/link/MachO/DebugSymbols.zig"
"${CMAKE_SOURCE_DIR}/src/link/MachO/DwarfInfo.zig"
"${CMAKE_SOURCE_DIR}/src/link/MachO/Dylib.zig"
"${CMAKE_SOURCE_DIR}/src/link/MachO/Object.zig"
"${CMAKE_SOURCE_DIR}/src/link/MachO/Trie.zig"
"${CMAKE_SOURCE_DIR}/src/link/MachO/ZldAtom.zig"
"${CMAKE_SOURCE_DIR}/src/link/MachO/bind.zig"
"${CMAKE_SOURCE_DIR}/src/link/MachO/dead_strip.zig"
"${CMAKE_SOURCE_DIR}/src/link/MachO/thunks.zig"
"${CMAKE_SOURCE_DIR}/src/link/MachO/zld.zig"
"${CMAKE_SOURCE_DIR}/src/link/Plan9.zig"
"${CMAKE_SOURCE_DIR}/src/link/Plan9/aout.zig"
"${CMAKE_SOURCE_DIR}/src/link/Wasm.zig"
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