[PATCH] D145308: [lld][WebAssembly] Initial support for stub objects

[Sam Clegg via Phabricator via llvm-commits]

sbc100 created this revision.
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See the docs in lld/docs/WebAssembly.rst for more on this.

This feature unlocks a lot of simplification in the emscripten toolchain
since we can represent the JS libraries to the compiler using stub
objects.

See https://github.com/emscripten-core/emscripten/issues/18875


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D145308

Files:
  lld/docs/WebAssembly.rst
  lld/test/wasm/Inputs/libstub-missing-dep.so
  lld/test/wasm/Inputs/libstub-missing-sym.so
  lld/test/wasm/Inputs/libstub.so
  lld/test/wasm/stub_object.s
  lld/wasm/Driver.cpp
  lld/wasm/InputFiles.cpp
  lld/wasm/InputFiles.h
  lld/wasm/Relocations.cpp
  lld/wasm/SymbolTable.cpp
  lld/wasm/SymbolTable.h
  lld/wasm/Symbols.cpp
  lld/wasm/Symbols.h
  lld/wasm/Writer.cpp

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