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| author | Sam Clegg <sbc@chromium.org> | 2020-06-16 15:41:20 -0700 |
|---|---|---|
| committer | Sam Clegg <sbc@chromium.org> | 2020-06-22 15:57:24 -0700 |
| commit | 79aad89d8d29029b4e937137e6b8619ee8a4b691 (patch) | |
| tree | 8cac9c8d2586f9471afe15cbce7a7a64c89adf33 /llvm/lib/Object/WasmObjectFile.cpp | |
| parent | a9c478acd090bfdb162573af09e777571f8ae1d7 (diff) | |
| download | llvm-79aad89d8d29029b4e937137e6b8619ee8a4b691.zip llvm-79aad89d8d29029b4e937137e6b8619ee8a4b691.tar.gz llvm-79aad89d8d29029b4e937137e6b8619ee8a4b691.tar.bz2 | |
[WebAssembly] Add support for externalref to MC and wasm-ld
This allows code for handling externref values to be processed by the
assembler and linker.
Differential Revision: https://reviews.llvm.org/D81977
Diffstat (limited to 'llvm/lib/Object/WasmObjectFile.cpp')
| -rw-r--r-- | llvm/lib/Object/WasmObjectFile.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/llvm/lib/Object/WasmObjectFile.cpp b/llvm/lib/Object/WasmObjectFile.cpp index 023948e..25990b0 100644 --- a/llvm/lib/Object/WasmObjectFile.cpp +++ b/llvm/lib/Object/WasmObjectFile.cpp @@ -184,6 +184,14 @@ static Error readInitExpr(wasm::WasmInitExpr &Expr, case wasm::WASM_OPCODE_GLOBAL_GET: Expr.Value.Global = readULEB128(Ctx); break; + case wasm::WASM_OPCODE_REF_NULL: { + wasm::ValType Ty = static_cast<wasm::ValType>(readULEB128(Ctx)); + if (Ty != wasm::ValType::EXTERNREF) { + return make_error<GenericBinaryError>("Invalid type for ref.null", + object_error::parse_failed); + } + break; + } default: return make_error<GenericBinaryError>("Invalid opcode in init_expr", object_error::parse_failed); |