This is the mail archive of the gcc@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]

Re: Handling of -fpic in ASM_OUTPUT_MI_THUNK in sparc


On Tue, Nov 18, 1997 at 09:33:45AM -0800, Jason Merrill wrote:
> > Besides, the current test does not help if the main program compiled
> > without -fpic emits thunks that call methods in a shared library.
> 
> Huh?  How is this different from any other function that calls functions in
> a shared library?

Normal function calls use call not sethi+jmp.  The former case gets
fixed up to a call through the PLT, the later results in runtime
relocations to the read-only text segment.  Which works, but slows down
startup unnecessarily.


r~


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]