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November 05, 2016 LDC and ARM 32 status? | ||||
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I've been trying to play with using LDC to compile to the target `arm-none-eabi` or `thumb-none-eabi`. While I can get these targets to work with clang and my full llvm installation, I can not get my LDC to properly target them. I played a fair deal with the target selector code in LDC. Even trying to replace it largely with how clang does the selection, but I almost always ended up at the error: Error: target 'thumb-none--eabi' is not yet supported Any pointers on a direction to continue digging, or if this is just an area that's not ready yet, I'd love some info! Thanks! |
November 09, 2016 Re: LDC and ARM 32 status? | ||||
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Posted in reply to Thomas Muldowney | On Saturday, 5 November 2016 at 15:09:15 UTC, Thomas Muldowney wrote:
> I've been trying to play with using LDC to compile to the target `arm-none-eabi` or `thumb-none-eabi`. While I can get these targets to work with clang and my full llvm installation, I can not get my LDC to properly target them.
>
> I played a fair deal with the target selector code in LDC. Even trying to replace it largely with how clang does the selection, but I almost always ended up at the error:
>
> Error: target 'thumb-none--eabi' is not yet supported
>
> Any pointers on a direction to continue digging, or if this is just an area that's not ready yet, I'd love some info!
>
> Thanks!
I would first try to compile with "-c -mtriple=arm-linux-eabi", then link the object(s) using GNU ld as you would with none-eabi target. You'll still need to provide at least empty stubs for some runtime features.
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November 09, 2016 Re: LDC and ARM 32 status? | ||||
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Posted in reply to Thomas Muldowney | On Saturday, 5 November 2016 at 15:09:15 UTC, Thomas Muldowney wrote: > I've been trying to play with using LDC to compile to the target `arm-none-eabi` or `thumb-none-eabi`. While I can get these targets to work with clang and my full llvm installation, I can not get my LDC to properly target them. > > I played a fair deal with the target selector code in LDC. Even trying to replace it largely with how clang does the selection, but I almost always ended up at the error: > > Error: target 'thumb-none--eabi' is not yet supported > > Any pointers on a direction to continue digging, or if this is just an area that's not ready yet, I'd love some info! > > Thanks! Specifying only the architecture with "-march=thumb" or "-march=arm" should also work, see [1]. There are also some DConf presentations worth watching: [2] [3]. 1. https://wiki.dlang.org/Minimal_semihosted_ARM_Cortex-M_"Hello_World" 2. http://dconf.org/2014/talks/ruppe.html 3. http://dconf.org/2014/talks/franklin.html |
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