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Register kASan shadow offset for NetBSD/amd64 

The NetBSD x86_64 kernel uses the 0xdfff900000000000 shadow
offset.

llvm-svn: 349276
This commit is contained in:
Kamil Rytarowski 2018-12-15 16:32:41 +00:00
parent 76a21502fd
commit 15ae738bc8
1 changed files with 7 additions and 3 deletions
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8
llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp
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@ -109,6 +109,7 @@ static const uint64_t kFreeBSD_ShadowOffset32 = 1ULL << 30;
static const uint64_t kFreeBSD_ShadowOffset64 = 1ULL << 46;
static const uint64_t kNetBSD_ShadowOffset32 = 1ULL << 30;
static const uint64_t kNetBSD_ShadowOffset64 = 1ULL << 46;
static const uint64_t kNetBSDKasan_ShadowOffset64 = 0xdfff900000000000;
static const uint64_t kPS4CPU_ShadowOffset64 = 1ULL << 40;
static const uint64_t kWindowsShadowOffset32 = 3ULL << 28;
@ -544,9 +545,12 @@ static ShadowMapping getShadowMapping(Triple &TargetTriple, int LongSize,
Mapping.Offset = kSystemZ_ShadowOffset64;
else if (IsFreeBSD && !IsMIPS64)
Mapping.Offset = kFreeBSD_ShadowOffset64;
else if (IsNetBSD)
else if (IsNetBSD) {
if (IsKasan)
Mapping.Offset = kNetBSDKasan_ShadowOffset64;
else
Mapping.Offset = kNetBSD_ShadowOffset64;
else if (IsPS4CPU)
} else if (IsPS4CPU)
Mapping.Offset = kPS4CPU_ShadowOffset64;
else if (IsLinux && IsX86_64) {
if (IsKasan)