This is the mail archive of the binutils@sourceware.org mailing list for the binutils project.
Index Nav: | [Date Index] [Subject Index] [Author Index] [Thread Index] | |
---|---|---|
Message Nav: | [Date Prev] [Date Next] | [Thread Prev] [Thread Next] |
Other format: | [Raw text] |
On Sun, Dec 5, 2010 at 4:11 PM, H.J. Lu <hjl.tools@gmail.com> wrote: > On Sun, Dec 5, 2010 at 10:22 AM, H.J. Lu <hjl.tools@gmail.com> wrote: >> On Sat, Dec 4, 2010 at 4:43 PM, H.J. Lu <hjl.tools@gmail.com> wrote: >>> On Sat, Dec 4, 2010 at 9:34 AM, H.J. Lu <hjl.tools@gmail.com> wrote: >>>> On Fri, Dec 3, 2010 at 10:07 PM, H.J. Lu <hjl.tools@gmail.com> wrote: >>>>> On Fri, Dec 3, 2010 at 6:34 PM, H.J. Lu <hjl.tools@gmail.com> wrote: >>>>>> On Fri, Dec 3, 2010 at 6:23 PM, Dave Korn <dave.korn.cygwin@gmail.com> wrote: >>>>>>> On 04/12/2010 01:24, H.J. Lu wrote: >>>>>>> >>>>>>>> I checked in a patch to implement stage 2 linking. Everything >>>>>>>> seems to work, including "gcc -static ... -lm". >>>>>>> >>>>>>> ?Any chance you could send a complete diff? >>>>>>> >>>>>> >>>>>> I will submit a complete diff after I fix a few corner cases. >>>>>> In the meantime, you can clone my git tree and do a "git diff". >>>>>> >>>>> >>>>> Hi, >>>>> >>>>> This patch implements 2 stage BFD linker for LTO plugin. >>>>> It works with current LTO API on all cases I tested. >>>>> >>>>> Known issue: ?--whole-archive will call plugin on archives with IR >>>>> in stage 2 linking. But ld never calls plugin to get back object files. >>>>> I will try to avoid it in a follow up patch. >>>>> >>>> >>>> This turns out not a problem. In stage 2 linking, for --whole-archive >>>> we call plugin to get symbols in the IR element of an archive and >>>> it will be ignored for stage 2 linking. ?It is OK since we already get >>>> the trans object files back for stage 2 linking. >>>> >>>> BTW, the new linker passed bootstrap-lto with all default languages. >>>> I am planning to include this patch in the next Linux binutils. >>>> >>> >>> I missed the IR object in an archive: >>> >>> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42690#c34 >>> >>> This updated patch fixed it. ?OK for trunk? >>> >> >> We shouldn't clear SEC_EXCLUDE if BFD_PLUGIN is set: >> >> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42690#c38 >> >> This updated patch fixed it. ?OK for trunk? >> > > It turns out that my patch also fixes: > > http://sourceware.org/bugzilla/show_bug.cgi?id=12277 > Updated patch, adjusted for plugin ELF symbol visibility bug fix. OK for trunk? Thanks. -- H.J.
Attachment:
binutils-2stage-5.patch
Description: Text document
Index Nav: | [Date Index] [Subject Index] [Author Index] [Thread Index] | |
---|---|---|
Message Nav: | [Date Prev] [Date Next] | [Thread Prev] [Thread Next] |