bfd/
authorRoland McGrath <roland@gnu.org>
Thu, 15 Nov 2012 00:30:11 +0000 (00:30 +0000)
committerRoland McGrath <roland@gnu.org>
Thu, 15 Nov 2012 00:30:11 +0000 (00:30 +0000)
* elf32-arm.c (elf32_arm_nacl_plt0_entry): Use bic rather than bfc
instruction for data sandboxing.

gold/
* arm.cc (Output_data_plt_arm_nacl::first_plt_entry): Use bic rather
than bfc instruction for data sandboxing.

bfd/ChangeLog
bfd/elf32-arm.c
gold/ChangeLog
gold/arm.cc

index 2f39d1c..c1d01b7 100644 (file)
@@ -1,3 +1,8 @@
+2012-11-14  Roland McGrath  <mcgrathr@google.com>
+
+       * elf32-arm.c (elf32_arm_nacl_plt0_entry): Use bic rather than bfc
+       instruction for data sandboxing.
+
 2012-11-14  Tristan Gingold  <gingold@adacore.com>
 
        * mach-o.c (bfd_mach_o_read_main)
index fefc7db..081265c 100644 (file)
@@ -2209,21 +2209,21 @@ static const bfd_vma elf32_arm_nacl_plt0_entry [] =
   0xe08cc00f,          /* add  ip, ip, pc                      */
   0xe52dc008,          /* str  ip, [sp, #-8]!                  */
   /* Second bundle: */
-  0xe7dfcf1f,  /* bfc  ip, #30, #2                     */
-  0xe59cc000,  /* ldr  ip, [ip]                        */
+  0xe3ccc103,          /* bic  ip, ip, #0xc0000000             */
+  0xe59cc000,          /* ldr  ip, [ip]                        */
   0xe3ccc13f,          /* bic  ip, ip, #0xc000000f             */
-  0xe12fff1c,  /* bx   ip                              */
+  0xe12fff1c,          /* bx   ip                              */
   /* Third bundle: */
-  0xe320f000,  /* nop                                  */
-  0xe320f000,  /* nop                                  */
-  0xe320f000,  /* nop                                  */
+  0xe320f000,          /* nop                                  */
+  0xe320f000,          /* nop                                  */
+  0xe320f000,          /* nop                                  */
   /* .Lplt_tail: */
   0xe50dc004,          /* str  ip, [sp, #-4]                   */
   /* Fourth bundle: */
-  0xe7dfcf1f,          /* bfc  ip, #30, #2                     */
-  0xe59cc000,  /* ldr  ip, [ip]                        */
+  0xe3ccc103,          /* bic  ip, ip, #0xc0000000             */
+  0xe59cc000,          /* ldr  ip, [ip]                        */
   0xe3ccc13f,          /* bic  ip, ip, #0xc000000f             */
-  0xe12fff1c,  /* bx   ip                              */
+  0xe12fff1c,          /* bx   ip                              */
 };
 #define ARM_NACL_PLT_TAIL_OFFSET       (11 * 4)
 
index 76cb658..d5cdd32 100644 (file)
@@ -1,3 +1,8 @@
+2012-11-14  Roland McGrath  <mcgrathr@google.com>
+
+       * arm.cc (Output_data_plt_arm_nacl::first_plt_entry): Use bic rather
+       than bfc instruction for data sandboxing.
+
 2012-11-08  Alan Modra  <amodra@gmail.com>
 
        * po/POTFILES.in: Regenerate.
index 1994329..a98004b 100644 (file)
@@ -12218,7 +12218,7 @@ const uint32_t Output_data_plt_arm_nacl<big_endian>::first_plt_entry[16] =
   0xe08cc00f,                           // add ip, ip, pc
   0xe52dc008,                           // str ip, [sp, #-8]!
   // Second bundle:
-  0xe7dfcf1f,                           // bfc ip, #30, #2
+  0xe3ccc103,                           // bic ip, ip, #0xc0000000
   0xe59cc000,                           // ldr ip, [ip]
   0xe3ccc13f,                           // bic ip, ip, #0xc000000f
   0xe12fff1c,                           // bx  ip
@@ -12229,7 +12229,7 @@ const uint32_t Output_data_plt_arm_nacl<big_endian>::first_plt_entry[16] =
   // .Lplt_tail:
   0xe50dc004,                           // str ip, [sp, #-4]
   // Fourth bundle:
-  0xe7dfcf1f,                           // bfc ip, #30, #2
+  0xe3ccc103,                           // bic ip, ip, #0xc0000000
   0xe59cc000,                           // ldr ip, [ip]
   0xe3ccc13f,                           // bic ip, ip, #0xc000000f
   0xe12fff1c,                           // bx  ip