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[asan] Enable asan for aarch64 

This patch enables asan for aarch64/linux.  It marks it as 'unstable-release',
since some tests are failing due either kernel missing support of non-executable
pages in mmap or environment instability (infinite loop in juno reference
boards).

It sets decorate_proc_maps test to require stable-release, since the test expects
the shadow memory to not be executable and the support for aarch64 is only
added recently by Linux (da141706aea52c1a9 - 4.0).

It also XFAIL static_tls test for aarch64 linker may omit the __tls_get_addr call
as a TLS optimization.

llvm-svn: 244054
This commit is contained in:
Adhemerval Zanella 2015-08-05 15:13:33 +00:00
parent b6a79f9916
commit 975998bf6a
7 changed files with 16 additions and 7 deletions
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5
compiler-rt/cmake/config-ix.cmake
View File

@ -254,10 +254,7 @@ filter_available_targets(LSAN_COMMON_SUPPORTED_ARCH
filter_available_targets(UBSAN_COMMON_SUPPORTED_ARCH
${SANITIZER_COMMON_SUPPORTED_ARCH})
filter_available_targets(ASAN_SUPPORTED_ARCH
x86_64 i386 i686 powerpc64 powerpc64le arm mips mipsel mips64 mips64el)
if(ANDROID)
filter_available_targets(ASAN_SUPPORTED_ARCH aarch64)
endif()
x86_64 i386 i686 powerpc64 powerpc64le arm mips mipsel mips64 mips64el aarch64)
filter_available_targets(DFSAN_SUPPORTED_ARCH x86_64 mips64 mips64el aarch64)
filter_available_targets(LSAN_SUPPORTED_ARCH x86_64 mips64 mips64el)
filter_available_targets(MSAN_SUPPORTED_ARCH x86_64 mips64 mips64el)

7
compiler-rt/lib/asan/asan_mapping.h
View File

@ -73,6 +73,13 @@
// || `[0x2000000000, 0x23ffffffff]` || LowShadow ||
// || `[0x0000000000, 0x1fffffffff]` || LowMem ||
//
// Default Linux/AArch64 (39-bit VMA) mapping:
// || `[0x2000000000, 0x7fffffffff]` || highmem ||
// || `[0x1400000000, 0x1fffffffff]` || highshadow ||
// || `[0x1200000000, 0x13ffffffff]` || shadowgap ||
// || `[0x1000000000, 0x11ffffffff]` || lowshadow ||
// || `[0x0000000000, 0x0fffffffff]` || lowmem ||
//
// Shadow mapping on FreeBSD/x86-64 with SHADOW_OFFSET == 0x400000000000:
// || `[0x500000000000, 0x7fffffffffff]` || HighMem ||
// || `[0x4a0000000000, 0x4fffffffffff]` || HighShadow ||

2
compiler-rt/lib/sanitizer_common/sanitizer_platform.h
View File

@ -130,7 +130,7 @@
#define SANITIZER_USES_UID16_SYSCALLS 0
#endif
#ifdef __mips__
#if defined(__mips__) || defined(__aarch64__)
# define SANITIZER_POINTER_FORMAT_LENGTH FIRST_32_SECOND_64(8, 10)
#else
# define SANITIZER_POINTER_FORMAT_LENGTH FIRST_32_SECOND_64(8, 12)

4
compiler-rt/test/asan/TestCases/Linux/read_binary_name_regtest.c
View File

@ -14,6 +14,10 @@
#include <linux/filter.h>
#include <linux/seccomp.h>
#ifndef __NR_readlink
# define __NR_readlink __NR_readlinkat
#endif
#define syscall_nr (offsetof(struct seccomp_data, nr))
void corrupt() {

2
compiler-rt/test/asan/TestCases/Linux/static_tls.cc
View File

@ -9,7 +9,7 @@
// CHECK: __tls_get_addr: static tls
// CHECK: after
// XFAIL: powerpc64
// XFAIL: powerpc64, aarch64
#ifndef SHARED
#include <stdio.h>

2
compiler-rt/test/asan/lit.cfg
View File

@ -164,7 +164,7 @@ config.substitutions.append( ("%xdynamiclib_namespec", '$(basename %t).dynamic')
# Allow tests to use REQUIRES=stable-runtime. For use when you cannot use XFAIL
# because the test hangs.
if config.target_arch != 'arm':
if config.target_arch != 'arm' or config.target_arch != 'aarch64':
config.available_features.add('stable-runtime')
# Turn on leak detection on 64-bit Linux.

1
compiler-rt/test/sanitizer_common/TestCases/Posix/decorate_proc_maps.cc
View File

@ -1,5 +1,6 @@
// RUN: %clangxx -g %s -o %t
// RUN: %tool_options=decorate_proc_maps=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-%tool_name
// REQUIRES: stable-release
#include <errno.h>
#include <fcntl.h>
#include <pthread.h>