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 6844d4adc4359606f99414424b80633d2a9bf478..8e122031d4a9fdf8c75decb7bd5d7e651d587719 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::FixupKindPcRel;
+
+template <>
+FixupKind TargetX86Base<TargetX8664>::RelFixup =
+    TargetX86Base<TargetX8664>::Traits::FixupKindAbs;
+
 } // end of namespace X86Internal
 
 //------------------------------------------------------------------------------
@@ -308,7 +316,7 @@ 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;
@@ -830,11 +838,13 @@ 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::FixupKindAbs,
+                             IsPIC);
   } break;
   case FT_Asm:
     // Already emitted from Cfg
@@ -860,11 +870,12 @@ 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::FixupKindAbs,
+                             SectionSuffix, IsPIC);
   } break;
   case FT_Asm:
   case FT_Iasm: {