elf-machine-dynamic for m68k

[Andreas Schwab]

"C Jaiprakash, Noida" <C.Jaiprakash@noida.hcltech.com> writes:

> These functions are using a5 but I am unable to understand where a5 is
> initialized.

It is implicitly initialized to the address of _GLOBAL_OFFSET_TABLE_ in
any function that uses global data.

> I am confused because elf_machine_dynamic function says Return the
> link-time address of _DYNAMIC that means a5 holds _DYNAMIC, but when a
> code is compiled with -fPIC a5 holds GLOBAL_OFFSET_TABLE!!

Look closer.  The return value is loaded from the first entry of the GOT,
as the comment says.

Andreas.

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Andreas Schwab, SuSE Labs, schwab@suse.de
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