[Bug ld/12982] New: BFD linker LTO plugin makes stack executable by default

[hjl.tools at gmail dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=12982

           Summary: BFD linker LTO plugin makes stack executable by
                    default
           Product: binutils
           Version: 2.22 (HEAD)
               URL: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49703
            Status: NEW
          Severity: normal
          Priority: P2
         Component: ld
        AssignedTo: address@hidden
        ReportedBy: address@hidden


$ cat xx.c
#include <stdio.h>
int main(int argc, char **argv) {
        printf("Hallo\n");
        return 0;
}
$ gcc -O2 -o xx xx.c
$ readelf -a xx|grep STACK
  GNU_STACK      0x000000 0x00000000 0x00000000 0x00000 0x00000 RW  0x4
$ gcc -flto -O2 -o xx xx.c
$ readelf -a xx|grep STACK
  GNU_STACK      0x000000 0x00000000 0x00000000 0x00000 0x00000 RWE 0x4

-flto should not create executable stacks.

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