now that enough stuff is constified, move function header printing
logic up from X86 into the common code. The other targets will
hopefully start using this soon.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94614 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index 50e8877..2dbb836 100644
--- a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -285,6 +285,73 @@
OutStreamer.AddBlankLine();
}
+/// EmitFunctionHeader - This method emits the header for the current
+/// function.
+void AsmPrinter::EmitFunctionHeader() {
+ // Print out constants referenced by the function
+ EmitConstantPool(MF->getConstantPool());
+
+ // Print the 'header' of function.
+ unsigned FnAlign = MF->getAlignment();
+ const Function *F = MF->getFunction();
+
+ OutStreamer.SwitchSection(getObjFileLowering().SectionForGlobal(F, Mang, TM));
+ EmitAlignment(FnAlign, F);
+
+ switch (F->getLinkage()) {
+ default: llvm_unreachable("Unknown linkage type!");
+ case Function::InternalLinkage: // Symbols default to internal.
+ case Function::PrivateLinkage:
+ break;
+ case Function::DLLExportLinkage:
+ case Function::ExternalLinkage:
+ OutStreamer.EmitSymbolAttribute(CurrentFnSym, MCSA_Global);
+ break;
+ case Function::LinkerPrivateLinkage:
+ case Function::LinkOnceAnyLinkage:
+ case Function::LinkOnceODRLinkage:
+ case Function::WeakAnyLinkage:
+ case Function::WeakODRLinkage:
+ if (MAI->getWeakDefDirective() != 0) {
+ OutStreamer.EmitSymbolAttribute(CurrentFnSym, MCSA_Global);
+ O << MAI->getWeakDefDirective() << *CurrentFnSym << '\n';
+ } else if (MAI->getLinkOnceDirective() != 0) {
+ OutStreamer.EmitSymbolAttribute(CurrentFnSym, MCSA_Global);
+ // FIXME: linkonce should be a section attribute, handled by COFF Section
+ // assignment.
+ // http://sourceware.org/binutils/docs-2.20/as/Linkonce.html#Linkonce
+ O << "\t.linkonce discard\n";
+ } else {
+ O << "\t.weak\t" << *CurrentFnSym << '\n';
+ }
+ break;
+ }
+
+ printVisibility(CurrentFnSym, F->getVisibility());
+
+ if (MAI->hasDotTypeDotSizeDirective())
+ OutStreamer.EmitSymbolAttribute(CurrentFnSym, MCSA_ELF_TypeFunction);
+
+ O << *CurrentFnSym << ':';
+ if (VerboseAsm) {
+ O.PadToColumn(MAI->getCommentColumn());
+ O << MAI->getCommentString() << ' ';
+ WriteAsOperand(O, F, /*PrintType=*/false, F->getParent());
+ }
+ O << '\n';
+
+ // Add some workaround for linkonce linkage on Cygwin\MinGW.
+ if (MAI->getLinkOnceDirective() != 0 &&
+ (F->hasLinkOnceLinkage() || F->hasWeakLinkage()))
+ O << "Lllvm$workaround$fake$stub$" << *CurrentFnSym << ":\n";
+
+ // Emit pre-function debug and/or EH information.
+ if (MAI->doesSupportDebugInformation() || MAI->doesSupportExceptionHandling())
+ DW->BeginFunction(MF);
+}
+
+
+
bool AsmPrinter::doFinalization(Module &M) {
// Emit global variables.
@@ -390,7 +457,7 @@
/// used to print out constants which have been "spilled to memory" by
/// the code generator.
///
-void AsmPrinter::EmitConstantPool(MachineConstantPool *MCP) {
+void AsmPrinter::EmitConstantPool(const MachineConstantPool *MCP) {
const std::vector<MachineConstantPoolEntry> &CP = MCP->getConstants();
if (CP.empty()) return;
@@ -1556,6 +1623,7 @@
}
void AsmPrinter::printVisibility(MCSymbol *Sym, unsigned Visibility) const {
+ // FIXME: RENAME TO EmitVisibility.
MCSymbolAttr Attr = MCSA_Invalid;
switch (Visibility) {