Separate target specific asm properties from the asm printers.
llvm-svn: 30126
diff --git a/llvm/lib/Target/X86/X86AsmPrinter.cpp b/llvm/lib/Target/X86/X86AsmPrinter.cpp
index 9e862e8..3fdd7b1 100644
--- a/llvm/lib/Target/X86/X86AsmPrinter.cpp
+++ b/llvm/lib/Target/X86/X86AsmPrinter.cpp
@@ -26,10 +26,11 @@
#include "llvm/Support/CommandLine.h"
using namespace llvm;
+enum AsmWriterFlavorTy { att, intel };
+
Statistic<> llvm::EmittedInsts("asm-printer",
"Number of machine instrs printed");
-enum AsmWriterFlavorTy { att, intel };
cl::opt<AsmWriterFlavorTy>
AsmWriterFlavor("x86-asm-syntax",
cl::desc("Choose style of code to emit from X86 backend:"),
@@ -44,16 +45,11 @@
#endif
);
-// Out of line virtual function to home classes.
-void X86DwarfWriter::virtfn() {}
-
-
-/// doInitialization
-bool X86SharedAsmPrinter::doInitialization(Module &M) {
- PrivateGlobalPrefix = ".L";
- DefaultTextSection = ".text";
- DefaultDataSection = ".data";
+X86TargetAsmInfo::X86TargetAsmInfo(X86TargetMachine &TM) {
+ const X86Subtarget *Subtarget = &TM.getSubtarget<X86Subtarget>();
+ //FIXME - Should to be simplified.
+
switch (Subtarget->TargetType) {
case X86Subtarget::isDarwin:
AlignmentIsInBytes = false;
@@ -73,6 +69,19 @@
InlineAsmStart = "# InlineAsm Start";
InlineAsmEnd = "# InlineAsm End";
SetDirective = "\t.set";
+
+ NeedsSet = true;
+ DwarfAbbrevSection = ".section __DWARF,__debug_abbrev,regular,debug";
+ DwarfInfoSection = ".section __DWARF,__debug_info,regular,debug";
+ DwarfLineSection = ".section __DWARF,__debug_line,regular,debug";
+ DwarfFrameSection = ".section __DWARF,__debug_frame,regular,debug";
+ DwarfPubNamesSection = ".section __DWARF,__debug_pubnames,regular,debug";
+ DwarfPubTypesSection = ".section __DWARF,__debug_pubtypes,regular,debug";
+ DwarfStrSection = ".section __DWARF,__debug_str,regular,debug";
+ DwarfLocSection = ".section __DWARF,__debug_loc,regular,debug";
+ DwarfARangesSection = ".section __DWARF,__debug_aranges,regular,debug";
+ DwarfRangesSection = ".section __DWARF,__debug_ranges,regular,debug";
+ DwarfMacInfoSection = ".section __DWARF,__debug_macinfo,regular,debug";
break;
case X86Subtarget::isCygwin:
GlobalPrefix = "_";
@@ -88,6 +97,33 @@
default: break;
}
+ if (AsmWriterFlavor == intel) {
+ 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;
+
+ TextSection = "_text";
+ DataSection = "_data";
+ SwitchToSectionDirective = "";
+ TextSectionStartSuffix = "\tsegment 'CODE'";
+ DataSectionStartSuffix = "\tsegment 'DATA'";
+ SectionEndDirectiveSuffix = "\tends\n";
+ }
+}
+
+/// doInitialization
+bool X86SharedAsmPrinter::doInitialization(Module &M) {
if (Subtarget->isTargetDarwin()) {
// Emit initial debug information.
DW.BeginModule(&M);
@@ -127,25 +163,25 @@
O << "\t.zerofill __DATA__, __common, " << name << ", "
<< Size << ", " << Align;
} else {
- SwitchToDataSection(DefaultDataSection, I);
- if (LCOMMDirective != NULL) {
+ SwitchToDataSection(TAI->getDataSection(), I);
+ if (TAI->getLCOMMDirective() != NULL) {
if (I->hasInternalLinkage()) {
- O << LCOMMDirective << name << "," << Size;
+ O << TAI->getLCOMMDirective() << name << "," << Size;
if (Subtarget->isTargetDarwin())
- O << "," << (AlignmentIsInBytes ? (1 << Align) : Align);
+ O << "," << (TAI->getAlignmentIsInBytes() ? (1 << Align) : Align);
} else
- O << COMMDirective << name << "," << Size;
+ O << TAI->getCOMMDirective() << name << "," << Size;
} else {
if (Subtarget->TargetType != X86Subtarget::isCygwin) {
if (I->hasInternalLinkage())
O << "\t.local\t" << name << "\n";
}
- O << COMMDirective << name << "," << Size;
- if (COMMDirectiveTakesAlignment)
- O << "," << (AlignmentIsInBytes ? (1 << Align) : Align);
+ O << TAI->getCOMMDirective() << name << "," << Size;
+ if (TAI->getCOMMDirectiveTakesAlignment())
+ O << "," << (TAI->getAlignmentIsInBytes() ? (1 << Align) : Align);
}
}
- O << "\t\t" << CommentString << " " << I->getName() << "\n";
+ O << "\t\t" << TAI->getCommentString() << " " << I->getName() << "\n";
} else {
switch (I->getLinkage()) {
case GlobalValue::LinkOnceLinkage:
@@ -170,16 +206,16 @@
O << "\t.globl " << name << "\n";
// FALL THROUGH
case GlobalValue::InternalLinkage:
- SwitchToDataSection(DefaultDataSection, I);
+ SwitchToDataSection(TAI->getDataSection(), I);
break;
default:
assert(0 && "Unknown linkage type!");
}
EmitAlignment(Align, I);
- O << name << ":\t\t\t\t" << CommentString << " " << I->getName()
+ O << name << ":\t\t\t\t" << TAI->getCommentString() << " " << I->getName()
<< "\n";
- if (HasDotTypeDotSizeDirective)
+ if (TAI->hasDotTypeDotSizeDirective())
O << "\t.size " << name << ", " << Size << "\n";
EmitGlobalConstant(C);
@@ -234,13 +270,13 @@
/// machine description.
///
FunctionPass *llvm::createX86CodePrinterPass(std::ostream &o,
- X86TargetMachine &tm){
+ X86TargetMachine &tm) {
+ TargetAsmInfo *TAI = new X86TargetAsmInfo(tm);
+
switch (AsmWriterFlavor) {
default:
assert(0 && "Unknown asm flavor!");
- case intel:
- return new X86IntelAsmPrinter(o, tm);
- case att:
- return new X86ATTAsmPrinter(o, tm);
+ case intel: return new X86IntelAsmPrinter(o, tm, TAI);
+ case att: return new X86ATTAsmPrinter(o, tm, TAI);
}
}