[all-commits] [llvm/llvm-project] 5e5b2c: [WebAssembly] Prevent data inside text sections in...

[Wouter van Oortmerssen via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 5e5b2cb131c2eec056358d25f946bb208cb8a381
      https://github.com/llvm/llvm-project/commit/5e5b2cb131c2eec056358d25f946bb208cb8a381
  Author: Wouter van Oortmerssen <aardappel at gmail.com>
  Date:   2021-02-05 (Fri, 05 Feb 2021)

  Changed paths:
    M llvm/include/llvm/MC/MCSymbolWasm.h
    M llvm/lib/MC/WasmObjectWriter.cpp
    M llvm/lib/Target/WebAssembly/AsmParser/WebAssemblyAsmParser.cpp
    M llvm/test/MC/WebAssembly/basic-assembly-errors.s

  Log Message:
  -----------
  [WebAssembly] Prevent data inside text sections in assembly

This is not supported in Wasm, unless the data was encoded instructions, but that wouldn't work with the assembler's other functionality (enforcing nesting etc.).

Fixes: https://bugs.llvm.org/show_bug.cgi?id=48971

Differential Revision: https://reviews.llvm.org/D95838