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Re: Large data sections support
"H. J. Lu" <hjl@lucon.org> writes:
> On Mon, Jun 13, 2005 at 01:22:00AM +0200, Jan Hubicka wrote:
>> >
>> > Putting it in .lbss won't work with common symbol. But the default
>> > gp size is 8, "sym->st_size > elf_gp_size (abfd))" means any common
>> > symbols bigger than 8 bytes will be put in .lbss automatically by
>> > default. I am not sure if it will work very well with the existing
>>
>> I see, this patch was hanging around longer than it should so I now
>> hardly recall details. The treshold for bss/lbss is specified by ABI
>> (as different units must match on relocations used to symbols anyway),
>> so I planned hardwiring in the proper default for elf_gp_size but my
>> last patch simply added -G parameter in ld execution command from gcc
>> SPECs.
>
> The issue is that the existing relocatable files may have old
> relocations against common symbols larger than 8 bytes, expecting
> those symbols will be in .bss sections. Will it still work with your
> scheme?
Shouldn't the threshold for putting stuff in the .l sections be very
high? Like, megabytes?
zw