Please review the PR #3053. 2016-06-18 0:17 GMT+09:00 Dmitri Gribenko <griboz...@gmail.com>:
> On Fri, Jun 17, 2016 at 7:31 AM, Sangjin Han <tinysun....@gmail.com> > wrote: > > Hi, > > > > When linking libswiftCore.so, gold linker with --warn-execstack option > > generates following messages. > > /usr/bin/ld.gold: warning: lib/swift/linux/x86_64/swift_begin.o: missing > > .note.GNU-stack section implies executable stack > > /usr/bin/ld.gold: warning: lib/swift/linux/x86_64/swift_end.o: missing > > .note.GNU-stack section implies executable stack > > > > I found the web page about the GNU-stack section. > > http://en.chys.info/2010/12/note-gnu-stack/ > > > > After quick testing in my build system (Linux + execstack -q), I think we > > should append one line to stdlib/public/runtime/swift_sections.S, or pass > > the proper option to the linker. > > The line is > > .section .note.GNU-stack,"",@progbits > > and the option is > > '-z noexecstack' (or -Wl,-z -Wl,noexecstack for clang++). > > The patch would be much better I think. Thank you very much for the > investigation! Could you submit a pull request? > > Dmitri > > -- > main(i,j){for(i=2;;i++){for(j=2;j<i;j++){if(!(i%j)){j=0;break;}}if > (j){printf("%d\n",i);}}} /*Dmitri Gribenko <griboz...@gmail.com>*/ >
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