----- Am 13. Okt 2017 um 20:39 schrieb David Edelsohn dje....@gmail.com:
> On Fri, Oct 13, 2017 at 2:34 PM, Sebastian Huber > <sebastian.hu...@embedded-brains.de> wrote: > >>>> Do these options affect the code generation? >>> They can affect code generation. By placing each object into its own >>> section it's no longer viable to use one object to refer to another >>> because the relative addresses are unknown until link time. Without >>> those options the assembler can compute the offset between two objects >>> within a given section when they come from the same translation unit. >> >> Is this similar to moving all distinct objects into one compiler generated >> structure? > > It places each function and each datum into a separate section, which > can be placed or removed independently. It is not combining data or > altering the order of structures. It allows the linker to position > functions and data items as individual components instead of a single > object file "text" or "data" blobs. Is the optimization opportunity described by Jeff (which is prevented by the use of function and data sections) similar to moving all distinct objects into one compiler generated structure?
