[Patch, AArch64] Update crt0.S to be ILP32-friendly

[Corinna Vinschen]

On Jun 24 11:34, Yufeng Zhang wrote:
> 	* aarch64/crt0.S (GEN_DWORD): New macro definition.
> 	(PTR_REG): Ditto.
> 	(PTR_SIZE): Ditto.
> 	(PTR_LOG_SIZE): Ditto.
> 	(start): Use GEN_DWORD to replace the .dword of HeapBase,
> 	__bss_start__, __bss_end__, FUNCTION(_fini), env and
> 	CommandLine; when __ILP32__ is defined, set the stack base to
> 	the top end of the 32-bit address space if the returned value
> 	from the Angel API call is larger than or equal to 4 GiB.
> 	Also carry out sanity check on the heap base; abort if the
> 	base is larger than or equal to 4 GiB.  Use other new
> 	macros in the instructions that processes the argv arrays.
> 	(StackBase): New lable; replace __stack_base__.
> 	(__stack_base__): Set with StackBase or StackBase + 4.

Patch applied.


Thanks,
Corinna

-- 
Corinna Vinschen
Cygwin Maintainer
Red Hat