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| author | Ard Biesheuvel <ard.biesheuvel@gmail.com> | 2012-08-22 10:37:08 +0200 |
|---|---|---|
| committer | Ard Biesheuvel <ard.biesheuvel@gmail.com> | 2012-08-22 20:38:54 +0200 |
| commit | 404e28ff8c3352a4fa290ae7769922db0172008e (patch) | |
| tree | 7629a8b01649a2cc760e12e3b46c59508ab70fa9 | |
| parent | 1bd035cf119a2e4a667f07907c7860e5ec223cee (diff) | |
| download | bionic-404e28ff8c3352a4fa290ae7769922db0172008e.zip bionic-404e28ff8c3352a4fa290ae7769922db0172008e.tar.gz bionic-404e28ff8c3352a4fa290ae7769922db0172008e.tar.bz2 | |
hardening: remove pointless ARM __get_pc() function
Useful if you're trying to defeat ASLR, otherwise not
so much ...
Change-Id: I17ebb50bb490a3967db9c3038f049adafe2b8ea7
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@gmail.com>
| -rw-r--r-- | libc/Android.mk | 1 | ||||
| -rw-r--r-- | libc/arch-arm/bionic/__get_pc.S | 34 |
2 files changed, 0 insertions, 35 deletions
diff --git a/libc/Android.mk b/libc/Android.mk index 8085ac5..04301ef 100644 --- a/libc/Android.mk +++ b/libc/Android.mk @@ -362,7 +362,6 @@ libc_static_common_src_files := \ # ========================================================= ifeq ($(TARGET_ARCH),arm) libc_common_src_files += \ - arch-arm/bionic/__get_pc.S \ arch-arm/bionic/__get_sp.S \ arch-arm/bionic/_exit_with_stack_teardown.S \ arch-arm/bionic/_setjmp.S \ diff --git a/libc/arch-arm/bionic/__get_pc.S b/libc/arch-arm/bionic/__get_pc.S deleted file mode 100644 index 4fc8929..0000000 --- a/libc/arch-arm/bionic/__get_pc.S +++ /dev/null @@ -1,34 +0,0 @@ -/* - * Copyright (C) 2008 The Android Open Source Project - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY 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. - */ -.global __get_pc -.type __get_pc, %function - -__get_pc: - mov r0, pc - bx lr - |