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Print function header / footer

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70761 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Anton Korobeynikov 2009-05-03 13:17:11 +00:00
parent d9e89f6ea4
commit 6130fc8ea3
1 changed files with 45 additions and 0 deletions
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45
lib/Target/MSP430/MSP430AsmPrinter.cpp
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@ -54,6 +54,8 @@ namespace {
void printCCOperand(const MachineInstr *MI, int OpNum);
bool printInstruction(const MachineInstr *MI); // autogenerated.
void printMachineInstruction(const MachineInstr * MI);
void emitFunctionHeader(const MachineFunction &MF);
bool runOnMachineFunction(MachineFunction &F);
bool doInitialization(Module &M);
bool doFinalization(Module &M);
@ -88,7 +90,45 @@ bool MSP430AsmPrinter::doFinalization(Module &M) {
return AsmPrinter::doFinalization(M);
}
void MSP430AsmPrinter::emitFunctionHeader(const MachineFunction &MF) {
const Function *F = MF.getFunction();
SwitchToSection(TAI->SectionForGlobal(F));
unsigned FnAlign = 4;
if (F->hasFnAttr(Attribute::OptimizeForSize))
FnAlign = 1;
EmitAlignment(FnAlign, F);
switch (F->getLinkage()) {
default: assert(0 && "Unknown linkage type!");
case Function::InternalLinkage: // Symbols default to internal.
case Function::PrivateLinkage:
break;
case Function::ExternalLinkage:
O << "\t.globl\t" << CurrentFnName << '\n';
break;
case Function::LinkOnceAnyLinkage:
case Function::LinkOnceODRLinkage:
case Function::WeakAnyLinkage:
case Function::WeakODRLinkage:
O << "\t.weak\t" << CurrentFnName << '\n';
break;
}
printVisibility(CurrentFnName, F->getVisibility());
O << "\t.type\t" << CurrentFnName << ",@function\n"
<< CurrentFnName << ":\n";
}
bool MSP430AsmPrinter::runOnMachineFunction(MachineFunction &MF) {
SetupMachineFunction(MF);
// Print the 'header' of function
emitFunctionHeader(MF);
// Print out code for the function.
for (MachineFunction::const_iterator I = MF.begin(), E = MF.end();
I != E; ++I) {
@ -109,6 +149,11 @@ bool MSP430AsmPrinter::runOnMachineFunction(MachineFunction &MF) {
O << '\n';
}
if (TAI->hasDotTypeDotSizeDirective())
O << "\t.size\t" << CurrentFnName << ", .-" << CurrentFnName << '\n';
O.flush();
// We didn't modify anything
return false;
}