patches/binutils/2.19.1a/170-use-relro.patch
author "Yann E. MORIN" <yann.morin.1998@free.fr>
Sat Jan 04 01:02:57 2014 +0100 (2014-01-04)
changeset 3271 c65dc9b98841
parent 1243 5d15872659ec
permissions -rw-r--r--
cc/gcc: diable libsanitizer without NPTL

gcc-4.8 comes with a new library to sanitise memory access:
- heap-, stack-, and global-buffer overflow, use-after-free
- data-races between threads

This library requires some _np parts of the API, which are not
implemented in the (old) LinuxThreads, which is still available
in uClibc.

Since NPTL requires a i486 or above, i386 are stuck with using LT,
which precludes building the libsanitizer.

Disable libsanitizer, a bit like libatomic is.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Niels Penneman <niels@penneman.org>
yann@1243
     1
Original patch from: ../crosstool-NG/ct-ng.trunk/patches/binutils/2.19/170-use-relro.patch
yann@1243
     2
yann@1243
     3
-= BEGIN original header =-
yann@1243
     4
Original patch from Gentoo:
yann@1243
     5
gentoo/src/patchsets/binutils/2.19/78_all_use-relro.patch
yann@1243
     6
yann@1243
     7
-= END original header =-
yann@1243
     8
yann@1243
     9
diff -durN binutils-2.19.1.orig/ld/ldmain.c binutils-2.19.1/ld/ldmain.c
yann@1243
    10
--- binutils-2.19.1.orig/ld/ldmain.c	2009-03-08 11:57:03.000000000 +0100
yann@1243
    11
+++ binutils-2.19.1/ld/ldmain.c	2009-03-08 11:57:03.000000000 +0100
yann@1243
    12
@@ -264,6 +264,7 @@
yann@1243
    13
   link_info.keep_memory = TRUE;
yann@1243
    14
   link_info.new_dtags = TRUE;
yann@1243
    15
   link_info.combreloc = TRUE;
yann@1243
    16
+  link_info.relro = TRUE;
yann@1243
    17
   link_info.strip_discarded = TRUE;
yann@1243
    18
   link_info.emit_hash = TRUE;
yann@1243
    19
   link_info.callbacks = &link_callbacks;