class GlobalVariable;
class AsmPrinter : public MachineFunctionPass {
+ protected:
/// CurrentSection - The current section we are emitting to. This is
/// controlled and used by the SwitchSection method.
std::string CurrentSection;
+ private:
/// FunctionNumber - This provides a unique ID for each function emitted in
/// this translation unit. It is autoincremented by SetupMachineFunction,
/// and can be accessed with getFunctionNumber() and
/// If the new section is an empty string, this method forgets what the
/// current section is, but does not emit a .section directive.
///
- void SwitchSection(const char *NewSection, const GlobalValue *GV);
+ virtual void SwitchSection(const char *NewSection, const GlobalValue *GV);
/// getPreferredAlignmentLog - Return the preferred alignment of the
/// specified global, returned in log form. This includes an explicitly
Data32bitsDirective = "\t.dd\t";
Data64bitsDirective = "\t.dq\t";
HasDotTypeDotSizeDirective = false;
-
- O << "\t.686\n\t.model flat\n\toption dotname\n";
}
/// runOnMachineFunction - This uses the printMachineInstruction()
EmitConstantPool(MF.getConstantPool());
// Print out labels for the function.
- SwitchSection(".code\n", MF.getFunction());
+ SwitchSection(".code", MF.getFunction());
EmitAlignment(4);
if (MF.getFunction()->getLinkage() == GlobalValue::ExternalLinkage)
O << "\tpublic " << CurrentFnName << "\n";
bool X86IntelAsmPrinter::doInitialization(Module &M) {
X86SharedAsmPrinter::doInitialization(M);
Mang->markCharUnacceptable('.');
+ PrivateGlobalPrefix = "$"; // need this here too :(
+ O << "\t.686\n\t.model flat\n\n";
+
+ // Emit declarations for external functions.
+ for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I)
+ if (I->isExternal())
+ O << "\textern " << Mang->getValueName(I) << ":near\n";
+
+ // Emit declarations for external globals.
+ for (Module::const_global_iterator I = M.global_begin(), E = M.global_end();
+ I != E; ++I) {
+ if (I->isExternal())
+ O << "\textern " << Mang->getValueName(I) << ":byte\n";
+ }
+
+ return false;
+}
+
+bool X86IntelAsmPrinter::doFinalization(Module &M) {
+ X86SharedAsmPrinter::doFinalization(M);
+ if (CurrentSection != "")
+ O << CurrentSection << "\tends\n";
+ O << "\tend\n";
return false;
}
+void X86IntelAsmPrinter::SwitchSection(const char *NewSection,
+ const GlobalValue *GV) {
+ if (*NewSection == 0)
+ return;
+
+ std::string NS;
+ bool isData = strcmp(NewSection , ".data") == 0;
+
+ if (GV && GV->hasSection())
+ NS = GV->getSection();
+ else if (isData)
+ NS = "_data";
+ else
+ NS = "_text";
+
+ if (CurrentSection != NS) {
+ if (CurrentSection != "")
+ O << CurrentSection << "\tends\n";
+ CurrentSection = NS;
+ O << CurrentSection << (isData ? "\tsegment 'DATA'\n"
+ : "\tsegment 'CODE'\n");
+ }
+}
+
void X86IntelAsmPrinter::EmitZeros(uint64_t NumZeros) const {
if (NumZeros) {
O << "\tdb " << NumZeros << " dup(0)\n";
void printPICLabel(const MachineInstr *MI, unsigned Op);
bool runOnMachineFunction(MachineFunction &F);
bool doInitialization(Module &M);
+ bool doFinalization(Module &M);
+ virtual void SwitchSection(const char *NewSection, const GlobalValue *GV);
virtual void EmitZeros(uint64_t NumZeros) const;
virtual void EmitString(const ConstantArray *CVA) const;
};