(NFC) Rename GetMax{,User}VirtualAddress.

Future change will introduce GetMaxVirtualAddress that will not take
the kernel area into account.

llvm-svn: 317638

compiler-rt/lib/asan/asan_fuchsia.cc

@@ -28,7 +28,7 @@
 namespace __asan {
 
 // The system already set up the shadow memory for us.
-// __sanitizer::GetMaxVirtualAddress has already been called by
+// __sanitizer::GetMaxUserVirtualAddress has already been called by
 // AsanInitInternal->InitializeHighMemEnd (asan_rtl.cc).
 // Just do some additional sanity checks here.
 void InitializeShadowMemory() {

compiler-rt/lib/asan/asan_rtl.cc

@@ -307,7 +307,7 @@ static void asan_atexit() {
 
 static void InitializeHighMemEnd() {
 #if !ASAN_FIXED_MAPPING
-  kHighMemEnd = GetMaxVirtualAddress();
+  kHighMemEnd = GetMaxUserVirtualAddress();
   // Increase kHighMemEnd to make sure it's properly
   // aligned together with kHighMemBeg:
   kHighMemEnd |= SHADOW_GRANULARITY * GetMmapGranularity() - 1;

compiler-rt/lib/cfi/cfi.cc

@@ -280,7 +280,7 @@ void InitShadow() {
   CHECK_EQ(0, GetShadow());
   CHECK_EQ(0, GetShadowSize());
 
-  uptr vma = GetMaxVirtualAddress();
+  uptr vma = GetMaxUserVirtualAddress();
   // Shadow is 2 -> 2**kShadowGranularity.
   SetShadowSize((vma >> (kShadowGranularity - 1)) + 1);
   VReport(1, "CFI: VMA size %zx, shadow size %zx\n", vma, GetShadowSize());

compiler-rt/lib/msan/msan_linux.cc

@@ -120,7 +120,7 @@ bool InitShadow(bool init_origins) {
     return false;
   }
 
-  const uptr maxVirtualAddress = GetMaxVirtualAddress();
+  const uptr maxVirtualAddress = GetMaxUserVirtualAddress();
 
   for (unsigned i = 0; i < kMemoryLayoutSize; ++i) {
     uptr start = kMemoryLayout[i].start;

compiler-rt/lib/sanitizer_common/sanitizer_common.h

@@ -73,7 +73,7 @@ INLINE uptr GetPageSizeCached() {
   return PageSizeCached;
 }
 uptr GetMmapGranularity();
-uptr GetMaxVirtualAddress();
+uptr GetMaxUserVirtualAddress();
 // Threads
 tid_t GetTid();
 uptr GetThreadSelf();

compiler-rt/lib/sanitizer_common/sanitizer_fuchsia.cc

@@ -186,7 +186,7 @@ uptr GetMmapGranularity() { return PAGE_SIZE; }
 
 sanitizer_shadow_bounds_t ShadowBounds;
 
-uptr GetMaxVirtualAddress() {
+uptr GetMaxUserVirtualAddress() {
   ShadowBounds = __sanitizer_shadow_bounds();
   return ShadowBounds.memory_limit - 1;
 }

compiler-rt/lib/sanitizer_common/sanitizer_linux.cc

@@ -952,7 +952,7 @@ static uptr GetKernelAreaSize() {
 }
 #endif  // SANITIZER_WORDSIZE == 32
 
-uptr GetMaxVirtualAddress() {
+uptr GetMaxUserVirtualAddress() {
 #if SANITIZER_NETBSD && defined(__x86_64__)
   return 0x7f7ffffff000ULL;  // (0x00007f8000000000 - PAGE_SIZE)
 #elif SANITIZER_WORDSIZE == 64

compiler-rt/lib/sanitizer_common/sanitizer_mac.cc

@@ -849,7 +849,7 @@ uptr GetTaskInfoMaxAddress() {
 }
 #endif
 
-uptr GetMaxVirtualAddress() {
+uptr GetMaxUserVirtualAddress() {
 #if SANITIZER_WORDSIZE == 64
 # if defined(__aarch64__) && SANITIZER_IOS && !SANITIZER_IOSSIM
   // Get the maximum VM address

compiler-rt/lib/sanitizer_common/sanitizer_mac_libcdep.cc

@@ -20,7 +20,7 @@
 namespace __sanitizer {
 
 void RestrictMemoryToMaxAddress(uptr max_address) {
-  uptr size_to_mmap = GetMaxVirtualAddress() + 1 - max_address;
+  uptr size_to_mmap = GetMaxUserVirtualAddress() + 1 - max_address;
   void *res = MmapFixedNoAccess(max_address, size_to_mmap, "high gap");
   CHECK(res != MAP_FAILED);
 }

compiler-rt/lib/sanitizer_common/sanitizer_win.cc

@@ -64,7 +64,7 @@ uptr GetMmapGranularity() {
   return si.dwAllocationGranularity;
 }
 
-uptr GetMaxVirtualAddress() {
+uptr GetMaxUserVirtualAddress() {
   SYSTEM_INFO si;
   GetSystemInfo(&si);
   return (uptr)si.lpMaximumApplicationAddress;

compiler-rt/lib/tsan/rtl/tsan_platform_mac.cc

@@ -231,7 +231,7 @@ static void my_pthread_introspection_hook(unsigned int event, pthread_t thread,
 
 void InitializePlatformEarly() {
 #if defined(__aarch64__)
-  uptr max_vm = GetMaxVirtualAddress() + 1;
+  uptr max_vm = GetMaxUserVirtualAddress() + 1;
   if (max_vm != Mapping::kHiAppMemEnd) {
     Printf("ThreadSanitizer: unsupported vm address limit %p, expected %p.\n",
            max_vm, Mapping::kHiAppMemEnd);