6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-04-16 20:40:16 +00:00
Code Issues Projects Releases Wiki Activity

streamerize the rest of PIC16 asm printer.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100317 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-04-04 05:53:03 +00:00
parent 1ce3f565ef
commit f2777d7cd9
1 changed files with 63 additions and 41 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

104
lib/Target/PIC16/AsmPrinter/PIC16AsmPrinter.cpp
View File

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