[LLVMdev] LLD improvement plan

[Chris Lattner]

On May 5, 2015, at 6:47 PM, Daniel Dilts <diltsman at gmail.com> wrote:
> Take a look at how debuggers have migrated through the years.  They too
> used to have their own script format.  Now most (all?) popular debuggers
> do scripting through embedding an actual programming language.  This
> could be a better way forward for linkers as well -- embed Python in the
> linker, define a Python API for linkable item placement, entry point,
> symbol operations, etc..., and then you also have the rest of Python at
> your fingertips.
> 
> I mostly care about specifying address where specific symbols will be placed and specifying the memory layout of the platform.   I normally use __attribute__((section(""))) to place the symbols in their own sections and then use the linker script to place the sections at the required addresses.  How would this be accomplished without linker scripts?

I’d prefer to use an "__attribute__((address(0x1234)))” myself.  That way you can control platform specifics with #ifdefs.

-Chris

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