[PATCH] Use linker set for system initialization

[Sebastian Huber]

On 11/12/15 11:50, Chris Johns wrote:
>>> >>
>>> >>The only reason I ask is the trace linker needs external symbols to
>>> >>work and they are interesting symbols. Static symbols cannot be
>>> >>remapped by gld.
>> >
>> >I think tracing is not really interesting in the system startup
>> >sequence. It is single threaded with interrupts disabled. So, in case
>> >there is a problem, a classic debugger should be sufficient.
> It can provide a useful way to measure timing. I suppose someone
> interested can change the code.

All the constructors are used via function pointers, so without 
link-time optimization and a very smart compiler, they must exist as a 
single function. You can use objcopy --globalize-symbol if you really 
need a global symbol, e.g. for tracing.

-- 
Sebastian Huber, embedded brains GmbH

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