diff options
| author | Marcin Koscielnicki <koriakin@0x04.net> | 2016-04-14 12:56:15 +0000 |
|---|---|---|
| committer | Marcin Koscielnicki <koriakin@0x04.net> | 2016-04-14 12:56:15 +0000 |
| commit | 5cfe468b044eba18d668cc7ace45932f558a6d77 (patch) | |
| tree | 92c1129be64bad25d477e88b941493f3f2ba74fa /lib/sanitizer_common | |
| parent | 4f62bca8ed8ed8286b8de103d52bbe4d42bc5c5c (diff) | |
[sanitizer] [SystemZ] Add virtual space size.
This teaches sanitizer_common about s390 and s390x virtual space size.
s390 is unusual in that it has 31-bit virtual space.
Differential Revision: http://reviews.llvm.org/D18896
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@266296 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/sanitizer_common')
| -rw-r--r-- | lib/sanitizer_common/sanitizer_posix.cc | 6 | ||||
| -rw-r--r-- | lib/sanitizer_common/tests/sanitizer_allocator_test.cc | 4 |
2 files changed, 10 insertions, 0 deletions
diff --git a/lib/sanitizer_common/sanitizer_posix.cc b/lib/sanitizer_common/sanitizer_posix.cc index 5bcc86b3b..c70d5a40c 100644 --- a/lib/sanitizer_common/sanitizer_posix.cc +++ b/lib/sanitizer_common/sanitizer_posix.cc @@ -104,15 +104,21 @@ uptr GetMaxVirtualAddress() { return (1ULL << (MostSignificantSetBitIndex(GET_CURRENT_FRAME()) + 1)) - 1; # elif defined(__mips64) return (1ULL << 40) - 1; // 0x000000ffffffffffUL; +# elif defined(__s390x__) + return (1ULL << 53) - 1; // 0x001fffffffffffffUL; # else return (1ULL << 47) - 1; // 0x00007fffffffffffUL; # endif #else // SANITIZER_WORDSIZE == 32 +# if defined(__s390__) + return (1ULL << 31) - 1; // 0x7fffffff; +# else uptr res = (1ULL << 32) - 1; // 0xffffffff; if (!common_flags()->full_address_space) res -= GetKernelAreaSize(); CHECK_LT(reinterpret_cast<uptr>(&res), res); return res; +# endif #endif // SANITIZER_WORDSIZE } diff --git a/lib/sanitizer_common/tests/sanitizer_allocator_test.cc b/lib/sanitizer_common/tests/sanitizer_allocator_test.cc index 7ba334568..ae1040405 100644 --- a/lib/sanitizer_common/tests/sanitizer_allocator_test.cc +++ b/lib/sanitizer_common/tests/sanitizer_allocator_test.cc @@ -42,6 +42,10 @@ typedef SizeClassAllocator64< static const u64 kAddressSpaceSize = 1ULL << 40; #elif defined(__aarch64__) static const u64 kAddressSpaceSize = 1ULL << 39; +#elif defined(__s390x__) +static const u64 kAddressSpaceSize = 1ULL << 53; +#elif defined(__s390__) +static const u64 kAddressSpaceSize = 1ULL << 31; #else static const u64 kAddressSpaceSize = 1ULL << 32; #endif |