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author | Timur Iskhodzhanov <timurrrr@google.com> | 2015-04-10 15:02:19 +0000 |
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committer | Timur Iskhodzhanov <timurrrr@google.com> | 2015-04-10 15:02:19 +0000 |
commit | 126afbb7f9d9c06871f6f2c28e5640504d15dbba (patch) | |
tree | 1bfc6b0b4cedb1a0f88443b72b50791934d64cae /lib/msan/msan_linux.cc | |
parent | 6c73b0681a43fa1d94ac69d8f775f88c3f89f780 (diff) |
Split Mprotect into MmapNoAccess and MprotectNoAccess to be more portable
On Windows, we have to know if a memory to be protected is mapped or not.
On POSIX, Mprotect was semantically different from mprotect most people know.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@234602 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/msan/msan_linux.cc')
-rw-r--r-- | lib/msan/msan_linux.cc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/msan/msan_linux.cc b/lib/msan/msan_linux.cc index 6c185165f..26ba82b77 100644 --- a/lib/msan/msan_linux.cc +++ b/lib/msan/msan_linux.cc @@ -56,7 +56,7 @@ static bool CheckMemoryRangeAvailability(uptr beg, uptr size) { static bool ProtectMemoryRange(uptr beg, uptr size) { if (size > 0) { uptr end = beg + size - 1; - if (!Mprotect(beg, size)) { + if (!MmapNoAccess(beg, size)) { Printf("FATAL: Cannot protect memory range %p - %p.\n", beg, end); return false; } |