diff options
| author | Dan Liew <dan@su-root.co.uk> | 2018-07-20 17:07:35 +0000 |
|---|---|---|
| committer | Dan Liew <dan@su-root.co.uk> | 2018-07-20 17:07:35 +0000 |
| commit | 517b6132810b6ceb8ea6d45174d8986e1b023461 (patch) | |
| tree | cb682580c8ad7b19f18586f2fe2344fd472794d6 /lib | |
| parent | 4f6d4b8d42668e3b665636f8a0e8a3e2cec32483 (diff) | |
On Darwin switch from the `VM_MEMORY_ANALYSIS_TOOL` VM tag to
`VM_MEMORY_SANITIZER`.
It turns out that `VM_MEMORY_ANALYSIS_TOOL` is already reserved for
use by other tools so switch to a tag reserved for use by the Sanitizers.
rdar://problem/41969783
Differential Revision: https://reviews.llvm.org/D49603
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@337579 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/sanitizer_common/sanitizer_mac.cc | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/lib/sanitizer_common/sanitizer_mac.cc b/lib/sanitizer_common/sanitizer_mac.cc index c613a6af1..180d7c199 100644 --- a/lib/sanitizer_common/sanitizer_mac.cc +++ b/lib/sanitizer_common/sanitizer_mac.cc @@ -102,9 +102,15 @@ extern "C" void *__mmap(void *addr, size_t len, int prot, int flags, int fildes, extern "C" int __munmap(void *, size_t) SANITIZER_WEAK_ATTRIBUTE; // ---------------------- sanitizer_libc.h + +// From <mach/vm_statistics.h>, but not on older OSs. +#ifndef VM_MEMORY_SANITIZER +#define VM_MEMORY_SANITIZER 99 +#endif + uptr internal_mmap(void *addr, size_t length, int prot, int flags, int fd, u64 offset) { - if (fd == -1) fd = VM_MAKE_TAG(VM_MEMORY_ANALYSIS_TOOL); + if (fd == -1) fd = VM_MAKE_TAG(VM_MEMORY_SANITIZER); if (&__mmap) return (uptr)__mmap(addr, length, prot, flags, fd, offset); return (uptr)mmap(addr, length, prot, flags, fd, offset); } |