Use .rodata section for $FreeBSD$.

lib/csu/amd64/crti.S

@@ -21,8 +21,6 @@
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * $FreeBSD$
  */
 
 	.section .init,"ax",@progbits
@@ -36,3 +34,6 @@ _init:
 	.globl	_fini
 	.type	_fini,@function
 _fini:
+
+	.section .rodata
+.ascii "$FreeBSD$\0"

lib/csu/amd64/crtn.S

@@ -21,8 +21,6 @@
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * $FreeBSD$
  */
 
 	.section .init,"ax",@progbits
@@ -30,3 +28,6 @@
 
 	.section .fini,"ax",@progbits
 	ret
+
+	.section .rodata
+.ascii "$FreeBSD$\0"

lib/csu/i386-elf/crti.S

@@ -21,8 +21,6 @@
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * $FreeBSD$
  */
 
 	.section .init,"ax",@progbits
@@ -36,3 +34,6 @@ _init:
 	.globl	_fini
 	.type	_fini,@function
 _fini:
+
+	.section .rodata
+.ascii "$FreeBSD$\0"

lib/csu/i386-elf/crtn.S

@@ -21,8 +21,6 @@
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * $FreeBSD$
  */
 
 	.section .init,"ax",@progbits
@@ -30,3 +28,6 @@
 
 	.section .fini,"ax",@progbits
 	ret
+
+	.section .rodata
+.ascii "$FreeBSD$\0"

lib/csu/powerpc/crti.S

@@ -21,8 +21,6 @@
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * $FreeBSD$
  */
 	
 	.section .init,"ax",@progbits
@@ -46,3 +44,7 @@ _fini:
 	stw 31,12(1)
 	stw 0,20(1)
 	mr 31,1
+
+
+	.section .rodata
+.ascii "$FreeBSD$\0"

lib/csu/powerpc/crtn.S

@@ -21,8 +21,6 @@
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * $FreeBSD$
  */
 
 	.section .init,"ax",@progbits
@@ -41,3 +39,7 @@
 	lwz 31,-4(11)
 	mr 1,11
 	blr
+
+
+	.section .rodata
+.ascii "$FreeBSD$\0"