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* 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.
This commit is contained in:
Roland McGrath 2012-11-15 00:30:11 +00:00
parent 5286fdef17
commit edccdf7c8b
4 changed files with 21 additions and 11 deletions
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5
bfd/ChangeLog
View 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)

18
bfd/elf32-arm.c
View 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)

5
gold/ChangeLog
View 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.

4
gold/arm.cc
View 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