From: Kostya Serebryany <kcc@google.com>
Date: Tue, 4 Nov 2014 19:46:15 +0000 (+0000)
Subject: [asan] [mips] changed ShadowOffset32 for systems having 16kb PageSize; patch by Kumar... 
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c5bd9810cc31d6a8145d95eb08b640fde09deb3a;p=platform%2Fupstream%2Fllvm.git

[asan] [mips] changed ShadowOffset32 for systems having 16kb PageSize; patch by Kumar Sukhani

llvm-svn: 221288
---

diff --git a/compiler-rt/lib/asan/asan_mapping.h b/compiler-rt/lib/asan/asan_mapping.h
index 68428e1..c08af84 100644
--- a/compiler-rt/lib/asan/asan_mapping.h
+++ b/compiler-rt/lib/asan/asan_mapping.h
@@ -60,11 +60,11 @@
 // || `[0x00000000, 0x1fffffff]` || LowMem     ||
 //
 // Default Linux/MIPS mapping:
-// || `[0x2aaa8000, 0xffffffff]` || HighMem    ||
-// || `[0x0fffd000, 0x2aaa7fff]` || HighShadow ||
-// || `[0x0bffd000, 0x0fffcfff]` || ShadowGap  ||
-// || `[0x0aaa8000, 0x0bffcfff]` || LowShadow  ||
-// || `[0x00000000, 0x0aaa7fff]` || LowMem     ||
+// || `[0x2aaa0000, 0xffffffff]` || HighMem    ||
+// || `[0x0fff4000, 0x2aa9ffff]` || HighShadow ||
+// || `[0x0bff4000, 0x0fff3fff]` || ShadowGap  ||
+// || `[0x0aaa0000, 0x0bff3fff]` || LowShadow  ||
+// || `[0x00000000, 0x0aa9ffff]` || LowMem     ||
 //
 // Shadow mapping on FreeBSD/x86-64 with SHADOW_OFFSET == 0x400000000000:
 // || `[0x500000000000, 0x7fffffffffff]` || HighMem    ||
@@ -86,7 +86,7 @@ static const u64 kIosShadowOffset32 = 1ULL << 30;  // 0x40000000
 static const u64 kDefaultShadowOffset64 = 1ULL << 44;
 static const u64 kDefaultShort64bitShadowOffset = 0x7FFF8000;  // < 2G.
 static const u64 kAArch64_ShadowOffset64 = 1ULL << 36;
-static const u64 kMIPS32_ShadowOffset32 = 0x0aaa8000;
+static const u64 kMIPS32_ShadowOffset32 = 0x0aaa0000;
 #if defined(__powerpc64__) && defined(__BIG_ENDIAN__)
 static const u64 kPPC64_ShadowOffset64 = 1ULL << 41;
 #elif defined(__powerpc64__) && defined(__LITTLE_ENDIAN__)
diff --git a/llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp b/llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp
index e93c011..2d5eb0a 100644
--- a/llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp
+++ b/llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp
@@ -60,7 +60,7 @@ static const uint64_t kIOSShadowOffset32 = 1ULL << 30;
 static const uint64_t kDefaultShadowOffset64 = 1ULL << 44;
 static const uint64_t kSmallX86_64ShadowOffset = 0x7FFF8000;  // < 2G.
 static const uint64_t kPPC64_ShadowOffset64 = 1ULL << 41;
-static const uint64_t kMIPS32_ShadowOffset32 = 0x0aaa8000;
+static const uint64_t kMIPS32_ShadowOffset32 = 0x0aaa0000;
 static const uint64_t kFreeBSD_ShadowOffset32 = 1ULL << 30;
 static const uint64_t kFreeBSD_ShadowOffset64 = 1ULL << 46;