[llvm] r330854 - [WebAssebmly] Add Module name to WasmSymbol

[Sam Clegg via llvm-commits]

Author: sbc
Date: Wed Apr 25 11:24:08 2018
New Revision: 330854

URL: http://llvm.org/viewvc/llvm-project?rev=330854&view=rev
Log:
[WebAssebmly] Add Module name to WasmSymbol

Imports in a wasm module can have custom module name.  This change
adds the module name to the WasmSymbol structure so that the linker
can preserve this module name.

This is needed to fix: https://bugs.llvm.org/show_bug.cgi?id=37168

Differential Revision: https://reviews.llvm.org/D45797

Modified:
    llvm/trunk/include/llvm/BinaryFormat/Wasm.h
    llvm/trunk/lib/Object/WasmObjectFile.cpp

Modified: llvm/trunk/include/llvm/BinaryFormat/Wasm.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/BinaryFormat/Wasm.h?rev=330854&r1=330853&r2=330854&view=diff
==============================================================================
--- llvm/trunk/include/llvm/BinaryFormat/Wasm.h (original)
+++ llvm/trunk/include/llvm/BinaryFormat/Wasm.h Wed Apr 25 11:24:08 2018
@@ -145,6 +145,7 @@ struct WasmSymbolInfo {
   StringRef Name;
   uint8_t Kind;
   uint32_t Flags;
+  StringRef Module; // For undefined symbols the module name of the import
   union {
     // For function or global symbols, the index in function or global index
     // space.

Modified: llvm/trunk/lib/Object/WasmObjectFile.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Object/WasmObjectFile.cpp?rev=330854&r1=330853&r2=330854&view=diff
==============================================================================
--- llvm/trunk/lib/Object/WasmObjectFile.cpp (original)
+++ llvm/trunk/lib/Object/WasmObjectFile.cpp Wed Apr 25 11:24:08 2018
@@ -412,6 +412,7 @@ Error WasmObjectFile::parseLinkingSectio
         wasm::WasmImport &Import = *ImportedFunctions[Info.ElementIndex];
         FunctionType = &Signatures[Import.SigIndex];
         Info.Name = Import.Field;
+        Info.Module = Import.Module;
       }
       break;