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- Emit subsections_via_symbols for Darwin.
- Conditionalize Dwarf debugging output (Darwin only for now). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26582 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -27,15 +27,19 @@ using namespace x86;
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/// method to print assembly for each instruction.
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///
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bool X86ATTAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
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// Let PassManager know we need debug information and relay
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// the MachineDebugInfo address on to DwarfWriter.
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DW.SetDebugInfo(&getAnalysis<MachineDebugInfo>());
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// if (forDarwin) {
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// Let PassManager know we need debug information and relay
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// the MachineDebugInfo address on to DwarfWriter.
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DW.SetDebugInfo(&getAnalysis<MachineDebugInfo>());
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// }
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SetupMachineFunction(MF);
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O << "\n\n";
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// Emit pre-function debug information.
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DW.BeginFunction(MF);
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if (forDarwin) {
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// Emit pre-function debug information.
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DW.BeginFunction(MF);
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}
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// Print out constants referenced by the function
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EmitConstantPool(MF.getConstantPool());
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@ -88,8 +92,10 @@ bool X86ATTAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
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if (HasDotTypeDotSizeDirective)
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O << "\t.size " << CurrentFnName << ", .-" << CurrentFnName << "\n";
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// Emit post-function debug information.
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DW.EndFunction(MF);
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if (forDarwin) {
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// Emit post-function debug information.
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DW.EndFunction(MF);
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}
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// We didn't modify anything.
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return false;
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@ -75,8 +75,10 @@ bool X86SharedAsmPrinter::doInitialization(Module &M) {
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default: break;
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}
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// Emit initial debug information.
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DW.BeginModule(M);
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if (forDarwin) {
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// Emit initial debug information.
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DW.BeginModule(M);
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}
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return AsmPrinter::doInitialization(M);
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}
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@ -188,10 +190,17 @@ bool X86SharedAsmPrinter::doFinalization(Module &M) {
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O << "\t.indirect_symbol " << *i << "\n";
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O << "\t.long\t0\n";
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}
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}
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// Emit initial debug information.
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DW.EndModule(M);
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// Emit initial debug information.
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DW.EndModule(M);
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// Funny Darwin hack: This flag tells the linker that no global symbols
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// contain code that falls through to other global symbols (e.g. the obvious
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// implementation of multiple entry points). If this doesn't occur, the
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// linker can safely perform dead code stripping. Since LLVM never generates
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// code that does this, it is always safe to set.
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O << "\t.subsections_via_symbols\n";
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}
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AsmPrinter::doFinalization(M);
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return false; // success
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@ -68,7 +68,7 @@ struct X86SharedAsmPrinter : public AsmPrinter {
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MachineFunctionPass::getAnalysisUsage(AU);
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}
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bool forDarwin; // FIXME: eliminate.
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bool forDarwin; // FIXME: eliminate.
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// Necessary for Darwin to print out the apprioriate types of linker stubs
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std::set<std::string> FnStubs, GVStubs, LinkOnceStubs;
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@ -26,15 +26,19 @@ using namespace x86;
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/// method to print assembly for each instruction.
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///
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bool X86IntelAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
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// Let PassManager know we need debug information and relay
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// the MachineDebugInfo address on to DwarfWriter.
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DW.SetDebugInfo(&getAnalysis<MachineDebugInfo>());
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if (forDarwin) {
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// Let PassManager know we need debug information and relay
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// the MachineDebugInfo address on to DwarfWriter.
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DW.SetDebugInfo(&getAnalysis<MachineDebugInfo>());
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}
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SetupMachineFunction(MF);
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O << "\n\n";
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// Emit pre-function debug information.
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DW.BeginFunction(MF);
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if (forDarwin) {
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// Emit pre-function debug information.
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DW.BeginFunction(MF);
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}
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// Print out constants referenced by the function
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EmitConstantPool(MF.getConstantPool());
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@ -63,8 +67,10 @@ bool X86IntelAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
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}
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}
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// Emit post-function debug information.
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DW.EndFunction(MF);
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if (forDarwin) {
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// Emit post-function debug information.
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DW.EndFunction(MF);
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}
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// We didn't modify anything.
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return false;
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