V Fri, Oct 22, 2021 at 04:58:35PM -0500, Michael Catanzaro napsal(a):
> I've tried almost everything I can think of: -g0, -Os, disabled LTO. None of
> this worked.
bfd linker has these options:
--no-keep-memory
ld normally optimizes for speed over memory usage by caching the
symbol tables of input files in memory. This option tells ld to
instead optimize for memory usage, by rereading the symbol tables
as necessary. This may be required if ld runs out of memory space
while linking a large executable.
--hash-size=number
Set the default size of the linker's hash tables to a prime number
close to number. Increasing this value can reduce the length of
time it takes the linker to perform its tasks, at the expense of
increasing the linker's memory requirements. Similarly reducing
this value can reduce the memory requirements at the expense of
speed.
--reduce-memory-overheads
This option reduces memory requirements at ld runtime, at the
expense of linking speed. This was introduced to select the old
O(n^2) algorithm for link map file generation, rather than the new
O(n) algorithm which uses about 40% more memory for symbol storage.
Another effect of the switch is to set the default hash table size
to 1021, which again saves memory at the cost of lengthening the
linker's run time. This is not done however if the --hash-size
switch has been used.
The --reduce-memory-overheads switch may be also be used to enable
other tradeoffs in future versions of the linker.
-- Petr
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