#include "llvm/Support/Debug.h"
#include "llvm/Target/MRegisterInfo.h"
#include "llvm/Target/TargetInstrInfo.h"
+#include "llvm/Target/TargetOptions.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/ADT/StringExtras.h"
+#include <iostream>
#include <set>
using namespace llvm;
void printMachineInstruction(const MachineInstr *MI);
void printOp(const MachineOperand &MO);
- void printOperand(const MachineInstr *MI, unsigned OpNo){
+ void printOperand(const MachineInstr *MI, unsigned OpNo) {
const MachineOperand &MO = MI->getOperand(OpNo);
if (MO.getType() == MachineOperand::MO_MachineRegister) {
assert(MRegisterInfo::isPhysicalRegister(MO.getReg())&&"Not physreg??");
printOp(MO);
}
}
-
+
+ bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
+ unsigned AsmVariant, const char *ExtraCode);
+ bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
+ unsigned AsmVariant, const char *ExtraCode);
+
+
void printU5ImmOperand(const MachineInstr *MI, unsigned OpNo) {
unsigned char value = MI->getOperand(OpNo).getImmedValue();
assert(value <= 31 && "Invalid u5imm argument!");
}
void printCallOperand(const MachineInstr *MI, unsigned OpNo) {
const MachineOperand &MO = MI->getOperand(OpNo);
- if (!PPCGenerateStaticCode) {
+ if (TM.getRelocationModel() != Reloc::Static) {
if (MO.getType() == MachineOperand::MO_GlobalAddress) {
GlobalValue *GV = MO.getGlobal();
if (((GV->isExternal() || GV->hasWeakLinkage() ||
} else {
O << "ha16(";
printOp(MI->getOperand(OpNo));
- if (PICEnabled)
+ if (TM.getRelocationModel() == Reloc::PIC)
O << "-\"L" << getFunctionNumber() << "$pb\")";
else
O << ')';
} else {
O << "lo16(";
printOp(MI->getOperand(OpNo));
- if (PICEnabled)
+ if (TM.getRelocationModel() == Reloc::PIC)
O << "-\"L" << getFunctionNumber() << "$pb\")";
else
O << ')';
unsigned RegNo = enumRegToMachineReg(CCReg);
O << (0x80 >> RegNo);
}
- // The new addressing mode printers, currently empty
+ // The new addressing mode printers.
void printMemRegImm(const MachineInstr *MI, unsigned OpNo) {
printSymbolLo(MI, OpNo);
O << '(';
- printOperand(MI, OpNo+1);
+ if (MI->getOperand(OpNo+1).isRegister() &&
+ MI->getOperand(OpNo+1).getReg() == PPC::R0)
+ O << "0";
+ else
+ printOperand(MI, OpNo+1);
+ O << ')';
+ }
+ void printMemRegImmShifted(const MachineInstr *MI, unsigned OpNo) {
+ if (MI->getOperand(OpNo).isImmediate())
+ printS16X4ImmOperand(MI, OpNo);
+ else
+ printSymbolLo(MI, OpNo);
+ O << '(';
+ if (MI->getOperand(OpNo+1).isRegister() &&
+ MI->getOperand(OpNo+1).getReg() == PPC::R0)
+ O << "0";
+ else
+ printOperand(MI, OpNo+1);
O << ')';
}
+
void printMemRegReg(const MachineInstr *MI, unsigned OpNo) {
// When used as the base register, r0 reads constant zero rather than
// the value contained in the register. For this reason, the darwin
: DwarfWriter(o, ap)
{
needsSet = true;
- DwarfAbbrevSection = ".section __DWARF,__debug_abbrev,regular,debug";
- DwarfInfoSection = ".section __DWARF,__debug_info,regular,debug";
- DwarfLineSection = ".section __DWARF,__debug_line,regular,debug";
+ DwarfAbbrevSection = ".section __DWARFA,__debug_abbrev";
+ DwarfInfoSection = ".section __DWARFA,__debug_info";
+ DwarfLineSection = ".section __DWARFA,__debug_line";
+ DwarfFrameSection = ".section __DWARFA,__debug_frame";
+ DwarfPubNamesSection = ".section __DWARFA,__debug_pubnames";
+ DwarfPubTypesSection = ".section __DWARFA,__debug_pubtypes";
+ DwarfStrSection = ".section __DWARFA,__debug_str";
+ DwarfLocSection = ".section __DWARFA,__debug_loc";
+ DwarfARangesSection = ".section __DWARFA,__debug_aranges";
+ DwarfRangesSection = ".section __DWARFA,__debug_ranges";
+ DwarfMacInfoSection = ".section __DWARFA,__debug_macinfo";
TextSection = ".text";
DataSection = ".data";
}
/// DarwinAsmPrinter - PowerPC assembly printer, customized for Darwin/Mac OS
/// X
- ///
struct DarwinAsmPrinter : public PPCAsmPrinter {
DarwinDwarfWriter DW;
DarwinAsmPrinter(std::ostream &O, TargetMachine &TM)
- : PPCAsmPrinter(O, TM), DW(O, this)
- {
+ : PPCAsmPrinter(O, TM), DW(O, this) {
CommentString = ";";
GlobalPrefix = "_";
PrivateGlobalPrefix = "L"; // Marker for constant pool idxs
LCOMMDirective = "\t.lcomm\t";
StaticCtorsSection = ".mod_init_func";
StaticDtorsSection = ".mod_term_func";
+ InlineAsmStart = InlineAsmEnd = ""; // Don't use #APP/#NO_APP
}
virtual const char *getPassName() const {
/// code for a MachineFunction to the given output stream, in a format that the
/// Darwin assembler can deal with.
///
-FunctionPass *llvm::createDarwinAsmPrinter(std::ostream &o, TargetMachine &tm) {
+FunctionPass *llvm::createDarwinAsmPrinter(std::ostream &o,
+ PPCTargetMachine &tm) {
return new DarwinAsmPrinter(o, tm);
}
/// for a MachineFunction to the given output stream, in a format that the
/// AIX 5L assembler can deal with.
///
-FunctionPass *llvm::createAIXAsmPrinter(std::ostream &o, TargetMachine &tm) {
+FunctionPass *llvm::createAIXAsmPrinter(std::ostream &o, PPCTargetMachine &tm) {
return new AIXAsmPrinter(o, tm);
}
return;
case MachineOperand::MO_ExternalSymbol:
// Computing the address of an external symbol, not calling it.
- if (!PPCGenerateStaticCode) {
+ if (TM.getRelocationModel() != Reloc::Static) {
std::string Name(GlobalPrefix); Name += MO.getSymbolName();
GVStubs.insert(Name);
O << "L" << Name << "$non_lazy_ptr";
int offset = MO.getOffset();
// External or weakly linked global variables need non-lazily-resolved stubs
- if (!PPCGenerateStaticCode) {
+ if (TM.getRelocationModel() != Reloc::Static) {
if (((GV->isExternal() || GV->hasWeakLinkage() ||
GV->hasLinkOnceLinkage()))) {
GVStubs.insert(Name);
}
}
+/// PrintAsmOperand - Print out an operand for an inline asm expression.
+///
+bool PPCAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
+ unsigned AsmVariant,
+ const char *ExtraCode) {
+ // Does this asm operand have a single letter operand modifier?
+ if (ExtraCode && ExtraCode[0]) {
+ if (ExtraCode[1] != 0) return true; // Unknown modifier.
+
+ switch (ExtraCode[0]) {
+ default: return true; // Unknown modifier.
+ case 'L': // Write second word of DImode reference.
+ // Verify that this operand has two consecutive registers.
+ if (!MI->getOperand(OpNo).isRegister() ||
+ OpNo+1 == MI->getNumOperands() ||
+ !MI->getOperand(OpNo+1).isRegister())
+ return true;
+ ++OpNo; // Return the high-part.
+ break;
+ }
+ }
+
+ printOperand(MI, OpNo);
+ return false;
+}
+
+bool PPCAsmPrinter::PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
+ unsigned AsmVariant,
+ const char *ExtraCode) {
+ if (ExtraCode && ExtraCode[0])
+ return true; // Unknown modifier.
+ printMemRegReg(MI, OpNo);
+ return false;
+}
+
/// printMachineInstruction -- Print out a single PowerPC MI in Darwin syntax to
/// the current output stream.
///
O << ", " << (unsigned int)SH << "\n";
return;
}
+ } else if (MI->getOpcode() == PPC::OR4 || MI->getOpcode() == PPC::OR8) {
+ if (MI->getOperand(1).getReg() == MI->getOperand(2).getReg()) {
+ O << "mr ";
+ printOperand(MI, 0);
+ O << ", ";
+ printOperand(MI, 1);
+ O << "\n";
+ return;
+ }
}
if (printInstruction(MI))
/// method to print assembly for each instruction.
///
bool DarwinAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
- // FIXME - is this the earliest this can be set.
+ // FIXME - is this the earliest this can be set?
DW.SetDebugInfo(&getAnalysis<MachineDebugInfo>());
SetupMachineFunction(MF);
O << "\n\n";
// Emit pre-function debug information.
- DW.BeginFunction();
+ DW.BeginFunction(&MF);
// Print out constants referenced by the function
EmitConstantPool(MF.getConstantPool());
default: assert(0 && "Unknown linkage type!");
case Function::InternalLinkage: // Symbols default to internal.
SwitchSection(".text", F);
- EmitAlignment(4, F);
break;
case Function::ExternalLinkage:
SwitchSection(".text", F);
- EmitAlignment(4, F);
O << "\t.globl\t" << CurrentFnName << "\n";
break;
case Function::WeakLinkage:
O << "\t.weak_definition\t" << CurrentFnName << "\n";
break;
}
+ EmitAlignment(4, F);
O << CurrentFnName << ":\n";
// Print out code for the function.
Mang->setUseQuotes(true);
// Emit initial debug information.
- DW.BeginModule();
+ DW.BeginModule(&M);
return false;
}
if (!I->hasInitializer()) continue; // External global require no code
// Check to see if this is a special global used by LLVM, if so, emit it.
- if (I->hasAppendingLinkage() && EmitSpecialLLVMGlobal(I))
+ if (EmitSpecialLLVMGlobal(I))
continue;
- O << '\n';
std::string name = Mang->getValueName(I);
Constant *C = I->getInitializer();
unsigned Size = TD.getTypeSize(C->getType());
- unsigned Align = TD.getTypeAlignmentShift(C->getType());
+ unsigned Align = getPreferredAlignmentLog(I);
if (C->isNullValue() && /* FIXME: Verify correct */
(I->hasInternalLinkage() || I->hasWeakLinkage() ||
- I->hasLinkOnceLinkage())) {
- SwitchSection(".data", I);
+ I->hasLinkOnceLinkage() ||
+ (I->hasExternalLinkage() && !I->hasSection()))) {
if (Size == 0) Size = 1; // .comm Foo, 0 is undefined, avoid it.
- if (I->hasInternalLinkage())
+ if (I->hasExternalLinkage()) {
+ O << "\t.globl " << name << '\n';
+ O << "\t.zerofill __DATA, __common, " << name << ", "
+ << Size << ", " << Align;
+ } else if (I->hasInternalLinkage()) {
+ SwitchSection(".data", I);
O << LCOMMDirective << name << "," << Size << "," << Align;
- else
+ } else {
+ SwitchSection(".data", I);
O << ".comm " << name << "," << Size;
+ }
O << "\t\t; '" << I->getName() << "'\n";
} else {
switch (I->getLinkage()) {
EmitAlignment(Align, I);
O << name << ":\t\t\t\t; '" << I->getName() << "'\n";
EmitGlobalConstant(C);
+ O << '\n';
}
}
// Output stubs for dynamically-linked functions
- if (PICEnabled) {
+ if (TM.getRelocationModel() == Reloc::PIC) {
for (std::set<std::string>::iterator i = FnStubs.begin(), e = FnStubs.end();
i != e; ++i) {
SwitchSection(".section __TEXT,__picsymbolstub1,symbol_stubs,"
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