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Lang Hames 253e11695b [ORC][llvm-jitlink] Add support for emulating ld64 -weak-lx / -weak_library.

Linking libraries in ld64 with -weak-lx / -weak_library causes all references
to symbols in those libraries to be made weak, allowing the librarie to be
missing at runtime.

This patch extends EPCDynamicLibrarySearchGenerator with support for emulating
this behavior: If an instance is constructed with an Allow predicate but no
dylib handle then all symbols matching the predicate are immediately resolved
to null.

The llvm-jitlink tool is updated with -weak-lx / -weak_library options for
testing. Unlike their ld64 counterparts these options take a TBD file as input,
and always resolve all exports in the TBD file to null.

2025-02-25 13:54:17 +11:00

llvm-jitlink-executor

[ORC] Switch to singleton pattern for UnwindInfoManager. (#126691 )

2025-02-12 10:00:10 +11:00

CMakeLists.txt

Revert "[llvm-jitlink] Explicit exports for builtin runtime functions in MinGW executables" (#127297 )

2025-02-14 22:59:13 -05:00

llvm-jitlink-coff.cpp

[llvm-jitlink] Avoid repeated hash lookups (NFC) (#128399 )

2025-02-23 01:05:13 -08:00

llvm-jitlink-elf.cpp

"Reapply "[llvm-jitlink] Use concurrent linking by default." with more fixes.