From d95ed959d8ab270808aeec8b31f06140e68834ea Mon Sep 17 00:00:00 2001 From: Sam Clegg Date: Wed, 20 Sep 2017 19:03:35 +0000 Subject: Reland "[WebAssembly] Add support for naming wasm data segments" Add adds support for naming data segments. This is useful useful linkers so that they can merge similar sections. Differential Revision: https://reviews.llvm.org/D37886 llvm-svn: 313795 --- llvm/lib/Object/WasmObjectFile.cpp | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'llvm/lib/Object/WasmObjectFile.cpp') diff --git a/llvm/lib/Object/WasmObjectFile.cpp b/llvm/lib/Object/WasmObjectFile.cpp index bd51fbd..d2d3aba 100644 --- a/llvm/lib/Object/WasmObjectFile.cpp +++ b/llvm/lib/Object/WasmObjectFile.cpp @@ -396,6 +396,15 @@ Error WasmObjectFile::parseLinkingSection(const uint8_t *Ptr, case wasm::WASM_DATA_ALIGNMENT: LinkingData.DataAlignment = readVaruint32(Ptr); break; + case wasm::WASM_SEGMENT_NAMES: { + uint32_t Count = readVaruint32(Ptr); + if (Count > DataSegments.size()) + return make_error("Too many segment names", + object_error::parse_failed); + for (uint32_t i = 0; i < Count; i++) + DataSegments[i].Data.Name = readString(Ptr); + break; + } case wasm::WASM_STACK_POINTER: default: Ptr += Size; -- cgit v1.1