On Thu, 24 Mar 2011 17:06:09 +0100, Adam Jackson wrote:
> For example, if I'm the X server, I have a bunch of symbols exported
> from the binary that the drivers are expected to call, but that are
> never called from the server itself. Does marking a function
> __attribute__((visibility("default"))) mark it as used from the garbage
> collector's perspective?
It does not:
__attribute__((visibility("default"))) void f (void) {}
int main (void) { return 0; }
gcc -ffunction-sections -Wl,--gc-sections -fvisibility=hidden -o sect sect.c -Wall -rdynamic
nm --dynamic sect
0000000000000000 a f
(and neither with -Wl,--dynamic-list=...)
OK, so not applicable as is, thanks for the hint for more investigations.
Thanks,
Jan
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