[WebAssembly] Rename wasm fixup kinds
authorSam Clegg <sbc@chromium.org>
Thu, 28 Mar 2019 02:07:28 +0000 (02:07 +0000)
committerSam Clegg <sbc@chromium.org>
Thu, 28 Mar 2019 02:07:28 +0000 (02:07 +0000)
These fixup kinds are not explicitly related to the code section.  They
are there to signal how to apply the fixup.

Also, a couple of other minor wasm cleanups.

Differential Revision: https://reviews.llvm.org/D59908

llvm-svn: 357145

llvm/lib/MC/WasmObjectWriter.cpp
llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyAsmBackend.cpp
llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyFixupKinds.h
llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyMCCodeEmitter.cpp
llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyWasmObjectWriter.cpp

index adf0aef..4c60952 100644 (file)
@@ -269,9 +269,6 @@ class WasmObjectWriter : public MCObjectWriter {
 
   // TargetObjectWriter wrappers.
   bool is64Bit() const { return TargetObjectWriter->is64Bit(); }
-  unsigned getRelocType(const MCValue &Target, const MCFixup &Fixup) const {
-    return TargetObjectWriter->getRelocType(Target, Fixup);
-  }
 
   void startSection(SectionBookkeeping &Section, unsigned SectionId);
   void startCustomSection(SectionBookkeeping &Section, StringRef Name);
@@ -508,7 +505,7 @@ void WasmObjectWriter::recordRelocation(MCAssembler &Asm,
   // be negative and don't wrap.
   FixedValue = 0;
 
-  unsigned Type = getRelocType(Target, Fixup);
+  unsigned Type = TargetObjectWriter->getRelocType(Target, Fixup);
   assert(!IsPCRel);
   assert(SymA);
 
index 80c8db4..70b409c 100644 (file)
@@ -75,9 +75,9 @@ WebAssemblyAsmBackend::getFixupKindInfo(MCFixupKind Kind) const {
       // WebAssemblyFixupKinds.h.
       //
       // Name                     Offset (bits) Size (bits)     Flags
-      {"fixup_code_sleb128_i32", 0, 5 * 8, 0},
-      {"fixup_code_sleb128_i64", 0, 10 * 8, 0},
-      {"fixup_code_uleb128_i32", 0, 5 * 8, 0},
+      {"fixup_sleb128_i32", 0, 5 * 8, 0},
+      {"fixup_sleb128_i64", 0, 10 * 8, 0},
+      {"fixup_uleb128_i32", 0, 5 * 8, 0},
   };
 
   if (Kind < FirstTargetFixupKind)
index da6d006..33e8de2 100644 (file)
@@ -14,9 +14,9 @@
 namespace llvm {
 namespace WebAssembly {
 enum Fixups {
-  fixup_code_sleb128_i32 = FirstTargetFixupKind, // 32-bit signed
-  fixup_code_sleb128_i64,                        // 64-bit signed
-  fixup_code_uleb128_i32,                        // 32-bit unsigned
+  fixup_sleb128_i32 = FirstTargetFixupKind, // 32-bit signed
+  fixup_sleb128_i64,                        // 64-bit signed
+  fixup_uleb128_i32,                        // 32-bit unsigned
 
   // Marker
   LastTargetFixupKind,
index 8d89c56..44b6d6a 100644 (file)
@@ -144,10 +144,10 @@ void WebAssemblyMCCodeEmitter::encodeInstruction(
       size_t PaddedSize = 5;
       switch (Info.OperandType) {
       case WebAssembly::OPERAND_I32IMM:
-        FixupKind = MCFixupKind(WebAssembly::fixup_code_sleb128_i32);
+        FixupKind = MCFixupKind(WebAssembly::fixup_sleb128_i32);
         break;
       case WebAssembly::OPERAND_I64IMM:
-        FixupKind = MCFixupKind(WebAssembly::fixup_code_sleb128_i64);
+        FixupKind = MCFixupKind(WebAssembly::fixup_sleb128_i64);
         PaddedSize = 10;
         break;
       case WebAssembly::OPERAND_FUNCTION32:
@@ -155,7 +155,7 @@ void WebAssemblyMCCodeEmitter::encodeInstruction(
       case WebAssembly::OPERAND_TYPEINDEX:
       case WebAssembly::OPERAND_GLOBAL:
       case WebAssembly::OPERAND_EVENT:
-        FixupKind = MCFixupKind(WebAssembly::fixup_code_uleb128_i32);
+        FixupKind = MCFixupKind(WebAssembly::fixup_uleb128_i32);
         break;
       default:
         llvm_unreachable("unexpected symbolic operand kind");
index 1a9c714..91b356d 100644 (file)
@@ -76,13 +76,13 @@ unsigned WebAssemblyWasmObjectWriter::getRelocType(const MCValue &Target,
   auto& SymA = cast<MCSymbolWasm>(RefA->getSymbol());
 
   switch (unsigned(Fixup.getKind())) {
-  case WebAssembly::fixup_code_sleb128_i32:
+  case WebAssembly::fixup_sleb128_i32:
     if (SymA.isFunction())
       return wasm::R_WASM_TABLE_INDEX_SLEB;
     return wasm::R_WASM_MEMORY_ADDR_SLEB;
-  case WebAssembly::fixup_code_sleb128_i64:
+  case WebAssembly::fixup_sleb128_i64:
     llvm_unreachable("fixup_sleb128_i64 not implemented yet");
-  case WebAssembly::fixup_code_uleb128_i32:
+  case WebAssembly::fixup_uleb128_i32:
     if (SymA.isGlobal() || isGOTRef(RefA))
       return wasm::R_WASM_GLOBAL_INDEX_LEB;
     if (SymA.isFunction()) {
@@ -105,8 +105,6 @@ unsigned WebAssemblyWasmObjectWriter::getRelocType(const MCValue &Target,
         return wasm::R_WASM_SECTION_OFFSET_I32;
     }
     return wasm::R_WASM_MEMORY_ADDR_I32;
-  case FK_Data_8:
-    llvm_unreachable("FK_Data_8 not implemented yet");
   default:
     llvm_unreachable("unimplemented fixup kind");
   }