[WebAssembly] Remove ELF file support.

This support was partial and temporary.  Now that we have
wasm object file support its no longer needed.

Differential Revision: https://reviews.llvm.org/D48744

llvm-svn: 337222

4 files changed, 0 insertions, 32 deletions

diff --git a/llvm/include/llvm/BinaryFormat/ELF.h b/llvm/include/llvm/BinaryFormat/ELF.h
index 37940a42af9..3756d03e301 100644
--- a/llvm/include/llvm/BinaryFormat/ELF.h
+++ b/llvm/include/llvm/BinaryFormat/ELF.h
@@ -312,11 +312,6 @@ enum {
   EM_RISCV = 243,         // RISC-V
   EM_LANAI = 244,         // Lanai 32-bit processor
   EM_BPF = 247,           // Linux kernel bpf virtual machine
-
-  // A request has been made to the maintainer of the official registry for
-  // such numbers for an official value for WebAssembly. As soon as one is
-  // allocated, this enum will be updated to use it.
-  EM_WEBASSEMBLY = 0x4157, // WebAssembly architecture
 };
 
 // Object file classes.
@@ -644,11 +639,6 @@ enum {
 #include "ELFRelocs/Sparc.def"
 };
 
-// ELF Relocation types for WebAssembly
-enum {
-#include "ELFRelocs/WebAssembly.def"
-};
-
 // AMDGPU specific e_flags.
 enum : unsigned {
   // Processor selection mask for EF_AMDGPU_MACH_* values.
@@ -1175,9 +1165,6 @@ enum {
   PT_MIPS_RTPROC = 0x70000001,   // Runtime procedure table.
   PT_MIPS_OPTIONS = 0x70000002,  // Options segment.
   PT_MIPS_ABIFLAGS = 0x70000003, // Abiflags segment.
-
-  // WebAssembly program header types.
-  PT_WEBASSEMBLY_FUNCTIONS = PT_LOPROC + 0, // Function definitions.
 };
 
 // Segment flag bits.
diff --git a/llvm/include/llvm/BinaryFormat/ELFRelocs/WebAssembly.def b/llvm/include/llvm/BinaryFormat/ELFRelocs/WebAssembly.def
deleted file mode 100644
index 9a34349efb9..00000000000
--- a/llvm/include/llvm/BinaryFormat/ELFRelocs/WebAssembly.def
+++ /dev/null
@@ -1,8 +0,0 @@
-
-#ifndef ELF_RELOC
-#error "ELF_RELOC must be defined"
-#endif
-
-ELF_RELOC(R_WEBASSEMBLY_NONE,          0)
-ELF_RELOC(R_WEBASSEMBLY_DATA,          1)
-ELF_RELOC(R_WEBASSEMBLY_FUNCTION,      2)
diff --git a/llvm/include/llvm/Object/ELFObjectFile.h b/llvm/include/llvm/Object/ELFObjectFile.h
index 9bc365f1b18..2c0905d545a 100644
--- a/llvm/include/llvm/Object/ELFObjectFile.h
+++ b/llvm/include/llvm/Object/ELFObjectFile.h
@@ -1026,8 +1026,6 @@ StringRef ELFObjectFile<ELFT>::getFileFormatName() const {
     case ELF::EM_SPARC:
     case ELF::EM_SPARC32PLUS:
       return "ELF32-sparc";
-    case ELF::EM_WEBASSEMBLY:
-      return "ELF32-wasm";
     case ELF::EM_AMDGPU:
       return "ELF32-amdgpu";
     default:
@@ -1051,8 +1049,6 @@ StringRef ELFObjectFile<ELFT>::getFileFormatName() const {
       return "ELF64-sparc";
     case ELF::EM_MIPS:
       return "ELF64-mips";
-    case ELF::EM_WEBASSEMBLY:
-      return "ELF64-wasm";
     case ELF::EM_AMDGPU:
       return "ELF64-amdgpu";
     case ELF::EM_BPF:
@@ -1114,12 +1110,6 @@ template <class ELFT> Triple::ArchType ELFObjectFile<ELFT>::getArch() const {
     return IsLittleEndian ? Triple::sparcel : Triple::sparc;
   case ELF::EM_SPARCV9:
     return Triple::sparcv9;
-  case ELF::EM_WEBASSEMBLY:
-    switch (EF.getHeader()->e_ident[ELF::EI_CLASS]) {
-    case ELF::ELFCLASS32: return Triple::wasm32;
-    case ELF::ELFCLASS64: return Triple::wasm64;
-    default: return Triple::UnknownArch;
-    }
 
   case ELF::EM_AMDGPU: {
     if (!IsLittleEndian)
diff --git a/llvm/include/llvm/module.modulemap b/llvm/include/llvm/module.modulemap
index 52c85f8b4e4..6fc728295f6 100644
--- a/llvm/include/llvm/module.modulemap
+++ b/llvm/include/llvm/module.modulemap
@@ -59,7 +59,6 @@ module LLVM_BinaryFormat {
     textual header "BinaryFormat/ELFRelocs/Sparc.def"
     textual header "BinaryFormat/ELFRelocs/SystemZ.def"
     textual header "BinaryFormat/ELFRelocs/x86_64.def"
-    textual header "BinaryFormat/ELFRelocs/WebAssembly.def"
     textual header "BinaryFormat/WasmRelocs.def"
 }