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[MC][AsmParser] Hook for post assembly file processing

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This patch handles LLVM standalone assembler (llvm-mc) ELF flag setting based on input file
directive processing.

Mips assembly requires processing inline directives that directly and
indirectly affect the output ELF header flags. This patch handles one
".abicalls".

To process these directives we are following the model the code generator
uses by storing state in a container as we go through processing and when
we detect the end of input file processing, AsmParser is notified and we
update the ELF header flags through a MipsELFStreamer method with a call from
MCTargetAsmParser::emitEndOfAsmFile(MCStreamer &OutStreamer).

This patch will allow other targets the same functionality.

Jack


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191982 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jack Carter
2013-10-04 21:26:15 +00:00
parent 36ea408903
commit 8e48edcf3d
8 changed files with 111 additions and 7 deletions
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4
lib/Target/Mips/MipsAsmPrinter.cpp
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@ -594,8 +594,8 @@ void MipsAsmPrinter::EmitEndOfAsmFile(Module &M) {
// Emit Mips ELF register info
Subtarget->getMReginfo().emitMipsReginfoSectionCG(
OutStreamer, getObjFileLowering(), *Subtarget);
if (MipsELFStreamer *MES = dyn_cast<MipsELFStreamer>(&OutStreamer))
MES->emitELFHeaderFlagsCG(*Subtarget);
MipsELFStreamer *MES = cast<MipsELFStreamer>(&OutStreamer);
MES->emitELFHeaderFlagsCG(*Subtarget);
}
void MipsAsmPrinter::PrintDebugValueComment(const MachineInstr *MI,