[PATCH] D78199: Enable finding bitcode in wasm objects

Alex Crichton via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Wed Apr 15 06:32:34 PDT 2020


alexcrichton created this revision.
alexcrichton added a reviewer: sbc100.
Herald added subscribers: llvm-commits, sunfish, aheejin, hiraditya.
Herald added a project: LLVM.

This commit fixes using functions in `IRObjectFile` to load bitcode from
wasm objects by recognizing the file magic for wasm and also inheriting
the default implementation of classifying sections as bitcode.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D78199

Files:
  llvm/include/llvm/Object/Wasm.h
  llvm/lib/Object/IRObjectFile.cpp
  llvm/lib/Object/WasmObjectFile.cpp


Index: llvm/lib/Object/WasmObjectFile.cpp
===================================================================
--- llvm/lib/Object/WasmObjectFile.cpp
+++ llvm/lib/Object/WasmObjectFile.cpp
@@ -1469,8 +1469,6 @@
 
 bool WasmObjectFile::isSectionVirtual(DataRefImpl Sec) const { return false; }
 
-bool WasmObjectFile::isSectionBitcode(DataRefImpl Sec) const { return false; }
-
 relocation_iterator WasmObjectFile::section_rel_begin(DataRefImpl Ref) const {
   DataRefImpl RelocRef;
   RelocRef.d.a = Ref.d.a;
Index: llvm/lib/Object/IRObjectFile.cpp
===================================================================
--- llvm/lib/Object/IRObjectFile.cpp
+++ llvm/lib/Object/IRObjectFile.cpp
@@ -94,6 +94,7 @@
     return Object;
   case file_magic::elf_relocatable:
   case file_magic::macho_object:
+  case file_magic::wasm_object:
   case file_magic::coff_object: {
     Expected<std::unique_ptr<ObjectFile>> ObjFile =
         ObjectFile::createObjectFile(Object, Type);
Index: llvm/include/llvm/Object/Wasm.h
===================================================================
--- llvm/include/llvm/Object/Wasm.h
+++ llvm/include/llvm/Object/Wasm.h
@@ -185,7 +185,6 @@
   bool isSectionData(DataRefImpl Sec) const override;
   bool isSectionBSS(DataRefImpl Sec) const override;
   bool isSectionVirtual(DataRefImpl Sec) const override;
-  bool isSectionBitcode(DataRefImpl Sec) const override;
   relocation_iterator section_rel_begin(DataRefImpl Sec) const override;
   relocation_iterator section_rel_end(DataRefImpl Sec) const override;
 


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