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>I like the idea of a generic MachineCodeWriter, although I prefer the >name 'ObjectFileWriter'... Thats much more descriptive of the functionality. >I think we need to take a hard look at which bits of the >Writer/Emitter infrastructure are needed for what tasks (Object File >Emittion, JIT, etc.) and make sure that our a...

On Sun, Mar 15, 2009 at 10:52 PM, Aaron Gray < aaronngray.lists at googlemail.com> wrote: > I like the idea of a generic MachineCodeWriter, although I prefer the >> name 'ObjectFileWriter'... >> > > Thats much more descriptive of the functionality. > Sorry, I disagree actually the MachineCodeEmitter or the 'MachineCodeWritter' does not do any file handling at all. Do look at the code for the Mac...

...e and llc. I am also interested in working on this area and interested in writting a COFF file backend. > In other words, the 'object file generation' capabilities of the > Common Code Generator are not generic. I was looking at making a parallel class to MachineCodeEmitter, 'MachineCodeWriter' that can be used generically instead of MachineCodeEmitter to write to a supplied 'vector<byte>'. This would not introduce any overhead to the existing runtime code and would allow inlining of writting functions in X86CodeEmitter and other emitters. They would have to be te...

I like the idea of a generic MachineCodeWriter, although I prefer the name 'ObjectFileWriter'... I think we need to take a hard look at which bits of the Writer/Emitter infrastructure are needed for what tasks (Object File Emittion, JIT, etc.) and make sure that our abstractions are flexible enough... As it stands at the moment, the...

Currently, the MachO and ELF Writers and MachineCodeEmitters are hard-coded into LLVMTargetMachine and llc. In other words, the 'object file generation' capabilities of the Common Code Generator are not generic. LLVMTargetMachine::addPassesToEmitFile explicitly checks whether the derived backend TargetMachine implements one of getMachOWriterInfo or getELFWriterInfo, and returns a

On Mon, Mar 16, 2009 at 3:26 AM, Aaron Gray <aaronngray.lists at googlemail.com > wrote: > On Sun, Mar 15, 2009 at 10:52 PM, Aaron Gray < > aaronngray.lists at googlemail.com> wrote: > >> I like the idea of a generic MachineCodeWriter, although I prefer the >>> name 'ObjectFileWriter'... >>> >> >> Thats much more descriptive of the functionality. >> > > Sorry, I disagree actually the MachineCodeEmitter or the > 'MachineCodeWritter' does not do any file handling at al...