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path: root/lib/Target/X86/X86TargetObjectFile.cpp
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2009-09-18Make a new X8632_MachoTargetObjectFile TLOF implementation whose Chris Lattner
getSymbolForDwarfGlobalReference is smart enough to know that it needs to register the stub it references with MachineModuleInfoMachO, so that it gets emitted at the end of the file. Move stub emission from X86ATTAsmPrinter::doFinalization to the new X86ATTAsmPrinter::EmitEndOfAsmFile asmprinter hook. The important thing here is that EmitEndOfAsmFile is called *after* the ehframes are emitted, so we get all the stubs. This allows us to remove a gross hack from the asmprinter where it would "just know" that it needed to output stubs for personality functions. Now this is all driven from a consistent interface. The testcase change is just reordering the expected output now that the stubs come out after the ehframe instead of before. This also unblocks other changes that Bill wants to make. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82269 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-17pass machinemoduleinfo down into getSymbolForDwarfGlobalReference, Chris Lattner
currently unused. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82157 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-16Big change #1 for personality function references:Chris Lattner
Eliminate the PersonalityPrefix/Suffix & NeedsIndirectEncoding fields from MAI: they aren't part of the asm syntax, they are related to the structure of the object file. To replace their functionality, add a new TLOF::getSymbolForDwarfGlobalReference method which asks targets to decide how to reference a global from EH in a pc-relative way. The default implementation just returns the symbol. The default darwin implementation references the symbol through an indirect $non_lazy_ptr stub. The bizarro x86-64 darwin specialization handles the weird "foo@GOTPCREL+4" hack. DwarfException.cpp now uses this to emit the reference to the symbol in the right way, and this also eliminates another horrible hack from DwarfException.cpp: - if (strcmp(MAI->getPersonalitySuffix(), "+4@GOTPCREL")) - O << "-" << MAI->getPCSymbol(); git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81991 91177308-0d34-0410-b5e6-96231b3b80d8