[fpc-devel] ABI question PPC, ARM: position of SELF

Martin lazarus at mfriebe.de
Fri Dec 7 19:55:35 CET 2012

On 07/12/2012 18:53, Martin wrote:
> On 07/12/2012 17:03, Jonas Maebe wrote:
>>> On Intel 64 bit it is RCX or RDI depending on it in Windows or not
>>> What on the others, fixed register, or simply as if it was the last 
>>> param?
>> It is *currently* (I don't think we specify anywhere how or in what 
>> order hidden parameters are passed) always passed as the first 
>> parameter. Whether this is a register or a memory location depends on 
>> the architecture, ABI and specified calling convention. On PPC resp. 
>> ARM this is always R3 resp. R0 with the currently existing ABIs.
> According to the current PascalScript (may be wrong):
> looks like on ppc, Result (if static array or record) is also passed 
> before params (on other platforms, it is passed last)
> What is the order of Result, and self?

Same on arm?

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