diff options
| -rw-r--r-- | lib/Target/PIC16/PIC16AsmPrinter.cpp | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/lib/Target/PIC16/PIC16AsmPrinter.cpp b/lib/Target/PIC16/PIC16AsmPrinter.cpp index 58795a1aad..09cfa754f4 100644 --- a/lib/Target/PIC16/PIC16AsmPrinter.cpp +++ b/lib/Target/PIC16/PIC16AsmPrinter.cpp @@ -33,8 +33,9 @@ bool PIC16AsmPrinter::printMachineInstruction(const MachineInstr *MI) { return true; } -/// runOnMachineFunction - This uses the printInstruction() -/// method to print assembly for each instruction. +/// runOnMachineFunction - This emits the frame section, autos section and +/// assembly for each instruction. Also takes care of function begin debug +/// directive and file begin debug directive (if required) for the function. /// bool PIC16AsmPrinter::runOnMachineFunction(MachineFunction &MF) { this->MF = &MF; @@ -47,20 +48,25 @@ bool PIC16AsmPrinter::runOnMachineFunction(MachineFunction &MF) { const Function *F = MF.getFunction(); CurrentFnName = Mang->getValueName(F); + // Emit .file directive. DbgInfo.EmitFileDirective(F); - // Emit the function variables. + + // Emit the function frame (args and temps). EmitFunctionFrame(MF); - // Emit function begin debug directives + // Emit function begin debug directive. DbgInfo.EmitFunctBeginDI(F); + // Emit the autos section of function. EmitAutos(CurrentFnName); + + // Now emit the instructions of function in its code section. const char *codeSection = PAN::getCodeSectionName(CurrentFnName).c_str(); const Section *fCodeSection = TAI->getNamedSection(codeSection, SectionFlags::Code); - O << "\n"; // Start the Code Section. + O << "\n"; SwitchToSection (fCodeSection); // Emit the frame address of the function at the beginning of code. @@ -77,14 +83,17 @@ bool PIC16AsmPrinter::runOnMachineFunction(MachineFunction &MF) { // 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()) { printBasicBlockLabel(I, true); O << '\n'; } + // 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(); if (!DL.isUnknown()) { @@ -102,6 +111,7 @@ bool PIC16AsmPrinter::runOnMachineFunction(MachineFunction &MF) { // Emit function end debug directives. DbgInfo.EmitFunctEndDI(F, CurLine); + return false; // we didn't modify anything. } |