#include "llvm/Module.h"
#include "llvm/Assembly/Writer.h"
#include "llvm/CodeGen/AsmPrinter.h"
+#include "llvm/CodeGen/DwarfWriter.h"
+#include "llvm/CodeGen/MachineDebugInfo.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/Support/Mangler.h"
#include "llvm/Target/TargetInstrInfo.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) {
+ printOperand(MI, OpNo);
+ return false;
+ }
+
void printU5ImmOperand(const MachineInstr *MI, unsigned OpNo) {
unsigned char value = MI->getOperand(OpNo).getImmedValue();
assert(value <= 31 && "Invalid u5imm argument!");
unsigned RegNo = enumRegToMachineReg(CCReg);
O << (0x80 >> RegNo);
}
-
+ // The new addressing mode printers, currently empty
+ void printMemRegImm(const MachineInstr *MI, unsigned OpNo) {
+ printSymbolLo(MI, OpNo);
+ O << '(';
+ 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
+ // assembler requires that we print r0 as 0 (no r) when used as the base.
+ const MachineOperand &MO = MI->getOperand(OpNo);
+ if (MO.getReg() == PPC::R0)
+ O << '0';
+ else
+ O << TM.getRegisterInfo()->get(MO.getReg()).Name;
+ O << ", ";
+ printOperand(MI, OpNo+1);
+ }
+
virtual bool runOnMachineFunction(MachineFunction &F) = 0;
virtual bool doFinalization(Module &M) = 0;
+
+ };
+
+ /// DarwinDwarfWriter - Dwarf debug info writer customized for Darwin/Mac OS X
+ ///
+ struct DarwinDwarfWriter : public DwarfWriter {
+ // Ctor.
+ DarwinDwarfWriter(std::ostream &o, AsmPrinter *ap)
+ : DwarfWriter(o, ap)
+ {
+ needsSet = true;
+ DwarfAbbrevSection = ".section __DWARF,__debug_abbrev";
+ DwarfInfoSection = ".section __DWARF,__debug_info";
+ DwarfLineSection = ".section __DWARF,__debug_line";
+ DwarfFrameSection =
+ ".section __DWARF,__debug_frame,,coalesced,no_toc+strip_static_syms";
+ DwarfPubNamesSection = ".section __DWARF,__debug_pubnames";
+ DwarfPubTypesSection = ".section __DWARF,__debug_pubtypes";
+ DwarfStrSection = ".section __DWARF,__debug_str";
+ DwarfLocSection = ".section __DWARF,__debug_loc";
+ DwarfARangesSection = ".section __DWARF,__debug_aranges";
+ DwarfRangesSection = ".section __DWARF,__debug_ranges";
+ DwarfMacInfoSection = ".section __DWARF,__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) {
+ : 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 {
bool runOnMachineFunction(MachineFunction &F);
bool doInitialization(Module &M);
bool doFinalization(Module &M);
+
+ void getAnalysisUsage(AnalysisUsage &AU) const {
+ AU.setPreservesAll();
+ AU.addRequired<MachineDebugInfo>();
+ PPCAsmPrinter::getAnalysisUsage(AU);
+ }
+
};
/// AIXAsmPrinter - PowerPC assembly printer, customized for AIX
// Computing the address of a global symbol, not calling it.
GlobalValue *GV = MO.getGlobal();
std::string Name = Mang->getValueName(GV);
+ int offset = MO.getOffset();
// External or weakly linked global variables need non-lazily-resolved stubs
if (!PPCGenerateStaticCode) {
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?
+ DW.SetDebugInfo(&getAnalysis<MachineDebugInfo>());
+
SetupMachineFunction(MF);
O << "\n\n";
+
+ // Emit pre-function debug information.
+ DW.BeginFunction(MF);
// Print out constants referenced by the function
EmitConstantPool(MF.getConstantPool());
}
}
+ // Emit post-function debug information.
+ DW.EndFunction(MF);
+
// We didn't modify anything.
return false;
}
// Darwin wants symbols to be quoted if they have complex names.
Mang->setUseQuotes(true);
+
+ // Emit initial debug information.
+ DW.BeginModule(M);
return false;
}
if (I->hasAppendingLinkage() && 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() ||
switch (I->getLinkage()) {
case GlobalValue::LinkOnceLinkage:
case GlobalValue::WeakLinkage:
- O << ".globl " << name << '\n'
- << ".weak_definition " << name << '\n'
- << ".private_extern " << name << '\n';
+ O << "\t.globl " << name << '\n'
+ << "\t.weak_definition " << name << '\n';
SwitchSection(".section __DATA,__datacoal_nt,coalesced", I);
break;
case GlobalValue::AppendingLinkage:
EmitAlignment(Align, I);
O << name << ":\t\t\t\t; '" << I->getName() << "'\n";
EmitGlobalConstant(C);
+ O << '\n';
}
}
}
}
+ // Emit initial debug information.
+ DW.EndModule(M);
+
// Funny Darwin hack: This flag tells the linker that no global symbols
// contain code that falls through to other global symbols (e.g. the obvious
// implementation of multiple entry points). If this doesn't occur, the
return false; // success
}
-/// runOnMachineFunction - This uses the printMachineInstruction()
+/// runOnMachineFunction - This uses the e()
/// method to print assembly for each instruction.
///
bool AIXAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
SetupMachineFunction(MF);
-
+
// Print out constants referenced by the function
EmitConstantPool(MF.getConstantPool());