Thanks Renato, Yes, i wanted to cross-compile from x86_64 to ARM. More specifically, I needed to do it for the cortex m0 processor. My eventual goal would be to tweak a certain part of the instruction scheduler specific to the project I am working on. So I am thinking if it is possible using LLVM. I was going thru the documentation of LLVM-backend and thought as a first step, try to generate a cross compiler for ARM and then tweak the code once the cross compiler is ready. I saw that there is support for cortex-a9 onwards, but am not sure, if there is any support for cortex m series. In that case, I would have implement a backend which would support this particular board. This seems to be a long shot, but would you provide your opinion if this is possible at all? If not, then what would be the proper approach?
Thanks, Pavan On 28 August 2013 01:14, Renato Golin <renato.go...@linaro.org> wrote: > On 28 August 2013 01:18, pavan p m <pm.pa...@gmail.com> wrote: > >> Hello, >> Is there any LLVM cross-compiler built for ARM. If not, then could you >> provide some pointers where I could start creating one? >> > > Hi Pavan, > > Most binary releases cross-compile by default, so the chances that your > current copy of Clang can already compile to whatever platform you want. > But you'll need some additional tools (like binutils) and libraries (like > libgcc and others) targeted to the correct architecture to make it work. > LLVM should automatically pick up the right tools, headers and libraries if > you specify --sysroot and --target options appropriately. > > I'm assuming you want to cross-compile from x86_64 to ARM, in which case > you'll need the arm-gcc toolchain. You can download it from > http://releases.linaro.org/ or you can install directly from your package > manager. > > cheers, > --renato > -- Regards, Pavan
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