mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-07-23 01:30:19 +00:00
streamerize the rest of PIC16 asm printer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100317 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
parent
1ce3f565ef
commit
f2777d7cd9
@ -30,6 +30,7 @@
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#include "llvm/Target/TargetLoweringObjectFile.h"
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#include "llvm/Support/ErrorHandling.h"
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#include "llvm/Support/FormattedStream.h"
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#include "llvm/ADT/SmallString.h"
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#include <cstring>
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using namespace llvm;
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@ -44,8 +45,11 @@ PIC16AsmPrinter::PIC16AsmPrinter(formatted_raw_ostream &O, TargetMachine &TM,
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}
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void PIC16AsmPrinter::EmitInstruction(const MachineInstr *MI) {
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printInstruction(MI, O);
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OutStreamer.AddBlankLine();
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SmallString<128> Str;
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raw_svector_ostream OS(Str);
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printInstruction(MI, OS);
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OutStreamer.EmitRawText(OS.str());
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}
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static int getFunctionColor(const Function *F) {
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@ -111,33 +115,33 @@ bool PIC16AsmPrinter::runOnMachineFunction(MachineFunction &MF) {
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PAN::isISR(F->getSection()));
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// Start the Code Section.
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O << "\n";
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OutStreamer.SwitchSection(fCodeSection);
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// Emit the frame address of the function at the beginning of code.
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O << "\tretlw low(" << PAN::getFrameLabel(CurrentFnSym->getName()) << ")\n";
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O << "\tretlw high(" << PAN::getFrameLabel(CurrentFnSym->getName()) << ")\n";
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OutStreamer.EmitRawText("\tretlw low(" +
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Twine(PAN::getFrameLabel(CurrentFnSym->getName())) +
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")");
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OutStreamer.EmitRawText("\tretlw high(" +
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Twine(PAN::getFrameLabel(CurrentFnSym->getName())) +
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")");
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// Emit function start label.
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O << *CurrentFnSym << ":\n";
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OutStreamer.EmitLabel(CurrentFnSym);
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DebugLoc CurDL;
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O << "\n";
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// Print out code for the function.
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for (MachineFunction::const_iterator I = MF.begin(), E = MF.end();
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I != E; ++I) {
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// Print a label for the basic block.
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if (I != MF.begin()) {
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if (I != MF.begin())
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EmitBasicBlockStart(I);
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}
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// Print a basic block.
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for (MachineBasicBlock::const_iterator II = I->begin(), E = I->end();
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II != E; ++II) {
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// Emit the line directive if source line changed.
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const DebugLoc DL = II->getDebugLoc();
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DebugLoc DL = II->getDebugLoc();
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if (!DL.isUnknown() && DL != CurDL) {
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DbgInfo.ChangeDebugLoc(MF, DL);
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CurDL = DL;
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@ -228,13 +232,15 @@ void PIC16AsmPrinter::printLibcallDecls() {
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// If no libcalls used, return.
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if (LibcallDecls.empty()) return;
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O << MAI->getCommentString() << "External decls for libcalls - BEGIN." <<"\n";
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OutStreamer.AddComment("External decls for libcalls - BEGIN");
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OutStreamer.AddBlankLine();
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for (std::set<std::string>::const_iterator I = LibcallDecls.begin(),
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E = LibcallDecls.end(); I != E; I++) {
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O << MAI->getExternDirective() << *I << "\n";
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}
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O << MAI->getCommentString() << "External decls for libcalls - END." <<"\n";
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E = LibcallDecls.end(); I != E; I++)
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OutStreamer.EmitRawText(MAI->getExternDirective() + Twine(*I));
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OutStreamer.AddComment("External decls for libcalls - END");
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OutStreamer.AddBlankLine();
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}
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/// doInitialization - Perform Module level initializations here.
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@ -245,8 +251,8 @@ bool PIC16AsmPrinter::doInitialization(Module &M) {
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bool Result = AsmPrinter::doInitialization(M);
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// Every asmbly contains these std headers.
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O << "\n#include p16f1xxx.inc";
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O << "\n#include stdmacros.inc";
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OutStreamer.EmitRawText(StringRef("\n#include p16f1xxx.inc"));
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OutStreamer.EmitRawText(StringRef("#include stdmacros.inc"));
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// Set the section names for all globals.
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for (Module::global_iterator I = M.global_begin(), E = M.global_end();
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@ -289,7 +295,8 @@ bool PIC16AsmPrinter::doInitialization(Module &M) {
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///
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void PIC16AsmPrinter::EmitFunctionDecls(Module &M) {
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// Emit declarations for external functions.
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O <<"\n"<<MAI->getCommentString() << "Function Declarations - BEGIN." <<"\n";
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OutStreamer.AddComment("Function Declarations - BEGIN");
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OutStreamer.AddBlankLine();
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for (Module::iterator I = M.begin(), E = M.end(); I != E; I++) {
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if (I->isIntrinsic() || I->getName() == "@abort")
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continue;
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@ -312,12 +319,16 @@ void PIC16AsmPrinter::EmitFunctionDecls(Module &M) {
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const char *directive = I->isDeclaration() ? MAI->getExternDirective() :
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MAI->getGlobalDirective();
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O << directive << Sym->getName() << "\n";
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O << directive << PAN::getRetvalLabel(Sym->getName()) << "\n";
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O << directive << PAN::getArgsLabel(Sym->getName()) << "\n";
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OutStreamer.EmitRawText(directive + Twine(Sym->getName()));
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OutStreamer.EmitRawText(directive +
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Twine(PAN::getRetvalLabel(Sym->getName())));
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OutStreamer.EmitRawText(directive +
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Twine(PAN::getArgsLabel(Sym->getName())));
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}
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O << MAI->getCommentString() << "Function Declarations - END." <<"\n";
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OutStreamer.AddComment("Function Declarations - END");
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OutStreamer.AddBlankLine();
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}
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// Emit variables imported from other Modules.
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@ -325,10 +336,14 @@ void PIC16AsmPrinter::EmitUndefinedVars(Module &M) {
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std::vector<const GlobalVariable*> Items = ExternalVarDecls;
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if (!Items.size()) return;
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O << "\n" << MAI->getCommentString() << "Imported Variables - BEGIN" << "\n";
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OutStreamer.AddComment("Imported Variables - BEGIN");
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OutStreamer.AddBlankLine();
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for (unsigned j = 0; j < Items.size(); j++)
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O << MAI->getExternDirective() << *Mang->getSymbol(Items[j]) << "\n";
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O << MAI->getCommentString() << "Imported Variables - END" << "\n";
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OutStreamer.EmitRawText(MAI->getExternDirective() +
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Twine(Mang->getSymbol(Items[j])->getName()));
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OutStreamer.AddComment("Imported Variables - END");
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OutStreamer.AddBlankLine();
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}
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// Emit variables defined in this module and are available to other modules.
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@ -336,10 +351,14 @@ void PIC16AsmPrinter::EmitDefinedVars(Module &M) {
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std::vector<const GlobalVariable*> Items = ExternalVarDefs;
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if (!Items.size()) return;
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O << "\n" << MAI->getCommentString() << "Exported Variables - BEGIN" << "\n";
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OutStreamer.AddComment("Exported Variables - BEGIN");
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OutStreamer.AddBlankLine();
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for (unsigned j = 0; j < Items.size(); j++)
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O << MAI->getGlobalDirective() << *Mang->getSymbol(Items[j]) << "\n";
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O << MAI->getCommentString() << "Exported Variables - END" << "\n";
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OutStreamer.EmitRawText(MAI->getGlobalDirective() +
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Twine(Mang->getSymbol(Items[j])->getName()));
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OutStreamer.AddComment("Exported Variables - END");
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OutStreamer.AddBlankLine();
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}
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// Emit initialized data placed in ROM.
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@ -356,7 +375,7 @@ bool PIC16AsmPrinter::doFinalization(Module &M) {
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EmitAllAutos(M);
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printLibcallDecls();
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DbgInfo.EndModule(M);
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O << "\n\t" << "END\n";
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OutStreamer.EmitRawText(StringRef("\tEND"));
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return AsmPrinter::doFinalization(M);
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}
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@ -364,7 +383,6 @@ void PIC16AsmPrinter::EmitFunctionFrame(MachineFunction &MF) {
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const Function *F = MF.getFunction();
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const TargetData *TD = TM.getTargetData();
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// Emit the data section name.
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O << "\n";
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PIC16Section *fPDataSection =
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const_cast<PIC16Section *>(getObjFileLowering().
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@ -374,7 +392,8 @@ void PIC16AsmPrinter::EmitFunctionFrame(MachineFunction &MF) {
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OutStreamer.SwitchSection(fPDataSection);
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// Emit function frame label
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O << PAN::getFrameLabel(CurrentFnSym->getName()) << ":\n";
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OutStreamer.EmitRawText(PAN::getFrameLabel(CurrentFnSym->getName()) +
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Twine(":"));
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const Type *RetType = F->getReturnType();
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unsigned RetSize = 0;
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@ -386,10 +405,11 @@ void PIC16AsmPrinter::EmitFunctionFrame(MachineFunction &MF) {
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// we will need to avoid printing a global directive for Retval label
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// in emitExternandGloblas.
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if(RetSize > 0)
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O << PAN::getRetvalLabel(CurrentFnSym->getName())
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<< " RES " << RetSize << "\n";
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OutStreamer.EmitRawText(PAN::getRetvalLabel(CurrentFnSym->getName()) +
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Twine(" RES ") + Twine(RetSize));
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else
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O << PAN::getRetvalLabel(CurrentFnSym->getName()) << ": \n";
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OutStreamer.EmitRawText(PAN::getRetvalLabel(CurrentFnSym->getName()) +
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Twine(":"));
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// Emit variable to hold the space for function arguments
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unsigned ArgSize = 0;
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@ -399,13 +419,14 @@ void PIC16AsmPrinter::EmitFunctionFrame(MachineFunction &MF) {
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ArgSize += TD->getTypeAllocSize(Ty);
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}
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O << PAN::getArgsLabel(CurrentFnSym->getName()) << " RES " << ArgSize << "\n";
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OutStreamer.EmitRawText(PAN::getArgsLabel(CurrentFnSym->getName()) +
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Twine(" RES ") + Twine(ArgSize));
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// Emit temporary space
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int TempSize = PTLI->GetTmpSize();
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if (TempSize > 0)
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O << PAN::getTempdataLabel(CurrentFnSym->getName()) << " RES "
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<< TempSize << '\n';
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OutStreamer.EmitRawText(PAN::getTempdataLabel(CurrentFnSym->getName()) +
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Twine(" RES ") + Twine(TempSize));
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}
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@ -417,7 +438,7 @@ void PIC16AsmPrinter::EmitInitializedDataSection(const PIC16Section *S) {
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for (unsigned j = 0; j < Items.size(); j++) {
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Constant *C = Items[j]->getInitializer();
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int AddrSpace = Items[j]->getType()->getAddressSpace();
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O << *Mang->getSymbol(Items[j]);
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OutStreamer.EmitRawText(Mang->getSymbol(Items[j])->getName());
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EmitGlobalConstant(C, AddrSpace);
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}
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}
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@ -436,7 +457,8 @@ EmitUninitializedDataSection(const PIC16Section *S) {
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Constant *C = Items[j]->getInitializer();
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const Type *Ty = C->getType();
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unsigned Size = TD->getTypeAllocSize(Ty);
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O << *Mang->getSymbol(Items[j]) << " RES " << Size << "\n";
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OutStreamer.EmitRawText(Mang->getSymbol(Items[j])->getName() +
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Twine(" RES ") + Twine(Size));
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}
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}
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@ -484,7 +506,7 @@ EmitSectionList(Module &M, const std::vector<PIC16Section *> &SList) {
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// Exclude llvm specific metadata sections.
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if (SList[i]->getName().find("llvm.") != std::string::npos)
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continue;
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O << "\n";
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OutStreamer.AddBlankLine();
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EmitSingleSection(SList[i]);
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}
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}
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