daniel remembered why this was needed.

[oota-llvm.git] / lib / Target / X86 / X86MCAsmInfo.cpp

diff --git a/lib/Target/X86/X86MCAsmInfo.cpp b/lib/Target/X86/X86MCAsmInfo.cpp
index 9393fb8bcc279f6d6c9ae091e69d00758251aa57..bc56e71b649789ee3119a7a5d2adced56a77e61b 100644 (file)
--- a/lib/Target/X86/X86MCAsmInfo.cpp
+++ b/lib/Target/X86/X86MCAsmInfo.cpp
@@ -14,6 +14,7 @@
 #include "X86MCAsmInfo.h"
 #include "X86TargetMachine.h"
 #include "llvm/ADT/Triple.h"
+#include "llvm/MC/MCSectionELF.h"
 #include "llvm/Support/CommandLine.h"
 using namespace llvm;
 
@@ -43,7 +44,7 @@ static const char *const x86_asm_table[] = {
   "{cc}", "cc",
   0,0};
 
-X86DarwinMCAsmInfo::X86DarwinMCAsmInfo(const Triple &Triple) {
+X86MCAsmInfoDarwin::X86MCAsmInfoDarwin(const Triple &Triple) {
   AsmTransCBE = x86_asm_table;
   AssemblerDialect = AsmWriterFlavor;
     
@@ -54,17 +55,11 @@ X86DarwinMCAsmInfo::X86DarwinMCAsmInfo(const Triple &Triple) {
   if (!is64Bit)
     Data64bitsDirective = 0;       // we can't emit a 64-bit unit
 
-  // Leopard and above support aligned common symbols.
-  COMMDirectiveTakesAlignment = Triple.getDarwinMajorNumber() >= 9;
-
-  if (is64Bit) {
-    PersonalityPrefix = "";
-    PersonalitySuffix = "+4@GOTPCREL";
-  } else {
-    PersonalityPrefix = "L";
-    PersonalitySuffix = "$non_lazy_ptr";
-  }
-
+  // Use ## as a comment string so that .s files generated by llvm can go
+  // through the GCC preprocessor without causing an error.  This is needed
+  // because "clang foo.s" runs the C preprocessor, which is usually reserved
+  // for .S files on other systems.  Perhaps this is because the file system
+  // wasn't always case preserving or something.
   CommentString = "##";
   PCSymbol = ".";
 
@@ -82,7 +77,6 @@ X86ELFMCAsmInfo::X86ELFMCAsmInfo(const Triple &Triple) {
 
   PrivateGlobalPrefix = ".L";
   WeakRefDirective = "\t.weak\t";
-  SetDirective = "\t.set\t";
   PCSymbol = ".";
 
   // Set up DWARF directives
@@ -95,37 +89,14 @@ X86ELFMCAsmInfo::X86ELFMCAsmInfo(const Triple &Triple) {
   // Exceptions handling
   ExceptionsType = ExceptionHandling::Dwarf;
   AbsoluteEHSectionOffsets = false;
-
-  // On Linux we must declare when we can use a non-executable stack.
-  if (Triple.getOS() == Triple::Linux)
-    NonexecutableStackDirective = "\t.section\t.note.GNU-stack,\"\",@progbits";
 }
 
-X86COFFMCAsmInfo::X86COFFMCAsmInfo(const Triple &Triple) {
-  AsmTransCBE = x86_asm_table;
-  AssemblerDialect = AsmWriterFlavor;
+MCSection *X86ELFMCAsmInfo::getNonexecutableStackSection(MCContext &Ctx) const {
+  return MCSectionELF::Create(".note.GNU-stack", MCSectionELF::SHT_PROGBITS,
+                              0, SectionKind::getMetadata(), false, Ctx);
 }
 
-
-X86WinMCAsmInfo::X86WinMCAsmInfo(const Triple &Triple) {
+X86MCAsmInfoCOFF::X86MCAsmInfoCOFF(const Triple &Triple) {
   AsmTransCBE = x86_asm_table;
   AssemblerDialect = AsmWriterFlavor;
-
-  GlobalPrefix = "_";
-  CommentString = ";";
-
-  PrivateGlobalPrefix = "$";
-  AlignDirective = "\tALIGN\t";
-  ZeroDirective = "\tdb\t";
-  ZeroDirectiveSuffix = " dup(0)";
-  AsciiDirective = "\tdb\t";
-  AscizDirective = 0;
-  Data8bitsDirective = "\tdb\t";
-  Data16bitsDirective = "\tdw\t";
-  Data32bitsDirective = "\tdd\t";
-  Data64bitsDirective = "\tdq\t";
-  HasDotTypeDotSizeDirective = false;
-  HasSingleParameterDotFile = false;
-
-  AlignmentIsInBytes = true;
 }