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: [email protected]
ReportedBy: [email protected]
$ 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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