Subzero: Add Non-SFI support for x86-32.

src/IceTargetLoweringX8664.cpp

Index: src/IceTargetLoweringX8664.cpp
diff --git a/src/IceTargetLoweringX8664.cpp b/src/IceTargetLoweringX8664.cpp
index f22d1f8919b7743a164f045ca8598fc296dc7f0b..8af60e32c58c2fb651d20cf23afc2d9afc5c82ac 100644
--- a/src/IceTargetLoweringX8664.cpp
+++ b/src/IceTargetLoweringX8664.cpp
@@ -99,6 +99,14 @@ template <>
 llvm::SmallBitVector
     TargetX86Base<TargetX8664>::ScratchRegs = llvm::SmallBitVector();
 
+template <>
+FixupKind TargetX86Base<TargetX8664>::PcRelFixup =
+    TargetX86Base<TargetX8664>::Traits::FK_PcRel;
+
+template <>
+FixupKind TargetX86Base<TargetX8664>::AbsFixup =
+    TargetX86Base<TargetX8664>::Traits::FK_Abs;
+
 } // end of namespace X86Internal
 
 //------------------------------------------------------------------------------
@@ -337,7 +345,7 @@ void TargetX8664::lowerCall(const InstCall *Instr) {
 
 void TargetX8664::lowerArguments() {
   VarList &Args = Func->getArgs();
-  // The first eight vetcor typed arguments (as well as fp arguments) are
+  // The first eight vector typed arguments (as well as fp arguments) are
   // passed in %xmm0 through %xmm7 regardless of their position in the argument
   // list.
   unsigned NumXmmArgs = 0;
@@ -879,11 +887,12 @@ void TargetDataX8664::lowerConstants() {
 }
 
 void TargetDataX8664::lowerJumpTables() {
+  const bool IsPIC = Ctx->getFlags().getUseNonsfi();
   switch (Ctx->getFlags().getOutFileType()) {
   case FT_Elf: {
     ELFObjectWriter *Writer = Ctx->getObjectWriter();
     for (const JumpTableData &JumpTable : Ctx->getJumpTables())
-      Writer->writeJumpTable(JumpTable, TargetX8664::Traits::RelFixup);
+      Writer->writeJumpTable(JumpTable, TargetX8664::Traits::FK_Abs, IsPIC);
   } break;
   case FT_Asm:
     // Already emitted from Cfg
@@ -909,11 +918,12 @@ void TargetDataX8664::lowerJumpTables() {
 
 void TargetDataX8664::lowerGlobals(const VariableDeclarationList &Vars,
                                    const IceString &SectionSuffix) {
+  const bool IsPIC = Ctx->getFlags().getUseNonsfi();
   switch (Ctx->getFlags().getOutFileType()) {
   case FT_Elf: {
     ELFObjectWriter *Writer = Ctx->getObjectWriter();
-    Writer->writeDataSection(Vars, TargetX8664::Traits::RelFixup,
-                             SectionSuffix);
+    Writer->writeDataSection(Vars, TargetX8664::Traits::FK_Abs, SectionSuffix,
+                             IsPIC);
   } break;
   case FT_Asm:
   case FT_Iasm: {