[NFC] [GWP-ASan] Rename Check() to check() (#96605)

Change this function to be LLVM-style in name.

Author: hctim

compiler-rt/lib/gwp_asan/guarded_pool_allocator.cpp

@@ -52,12 +52,12 @@ void GuardedPoolAllocator::init(const options::Options &Opts) {
       Opts.MaxSimultaneousAllocations == 0)
     return;
 
-  Check(Opts.SampleRate >= 0, "GWP-ASan Error: SampleRate is < 0.");
-  Check(Opts.SampleRate < (1 << 30), "GWP-ASan Error: SampleRate is >= 2^30.");
-  Check(Opts.MaxSimultaneousAllocations >= 0,
+  check(Opts.SampleRate >= 0, "GWP-ASan Error: SampleRate is < 0.");
+  check(Opts.SampleRate < (1 << 30), "GWP-ASan Error: SampleRate is >= 2^30.");
+  check(Opts.MaxSimultaneousAllocations >= 0,
         "GWP-ASan Error: MaxSimultaneousAllocations is < 0.");
 
-  Check(SingletonPtr == nullptr,
+  check(SingletonPtr == nullptr,
         "There's already a live GuardedPoolAllocator!");
   SingletonPtr = this;
   Backtrace = Opts.Backtrace;

compiler-rt/lib/gwp_asan/platform_specific/guarded_pool_allocator_fuchsia.cpp

@@ -24,13 +24,13 @@ void *GuardedPoolAllocator::map(size_t Size, const char *Name) const {
   assert((Size % State.PageSize) == 0);
   zx_handle_t Vmo;
   zx_status_t Status = _zx_vmo_create(Size, 0, &Vmo);
-  Check(Status == ZX_OK, "Failed to create Vmo");
+  check(Status == ZX_OK, "Failed to create Vmo");
   _zx_object_set_property(Vmo, ZX_PROP_NAME, Name, strlen(Name));
   zx_vaddr_t Addr;
   Status = _zx_vmar_map(_zx_vmar_root_self(),
                         ZX_VM_PERM_READ | ZX_VM_PERM_WRITE | ZX_VM_ALLOW_FAULTS,
                         0, Vmo, 0, Size, &Addr);
-  Check(Status == ZX_OK, "Vmo mapping failed");
+  check(Status == ZX_OK, "Vmo mapping failed");
   _zx_handle_close(Vmo);
   return reinterpret_cast<void *>(Addr);
 }
@@ -40,7 +40,7 @@ void GuardedPoolAllocator::unmap(void *Ptr, size_t Size) const {
   assert((Size % State.PageSize) == 0);
   zx_status_t Status = _zx_vmar_unmap(_zx_vmar_root_self(),
                                       reinterpret_cast<zx_vaddr_t>(Ptr), Size);
-  Check(Status == ZX_OK, "Vmo unmapping failed");
+  check(Status == ZX_OK, "Vmo unmapping failed");
 }
 
 void *GuardedPoolAllocator::reserveGuardedPool(size_t Size) {
@@ -50,7 +50,7 @@ void *GuardedPoolAllocator::reserveGuardedPool(size_t Size) {
       _zx_vmar_root_self(),
       ZX_VM_CAN_MAP_READ | ZX_VM_CAN_MAP_WRITE | ZX_VM_CAN_MAP_SPECIFIC, 0,
       Size, &GuardedPagePoolPlatformData.Vmar, &Addr);
-  Check(Status == ZX_OK, "Failed to reserve guarded pool allocator memory");
+  check(Status == ZX_OK, "Failed to reserve guarded pool allocator memory");
   _zx_object_set_property(GuardedPagePoolPlatformData.Vmar, ZX_PROP_NAME,
                           kGwpAsanGuardPageName, strlen(kGwpAsanGuardPageName));
   return reinterpret_cast<void *>(Addr);
@@ -59,8 +59,8 @@ void *GuardedPoolAllocator::reserveGuardedPool(size_t Size) {
 void GuardedPoolAllocator::unreserveGuardedPool() {
   const zx_handle_t Vmar = GuardedPagePoolPlatformData.Vmar;
   assert(Vmar != ZX_HANDLE_INVALID && Vmar != _zx_vmar_root_self());
-  Check(_zx_vmar_destroy(Vmar) == ZX_OK, "Failed to destroy a vmar");
-  Check(_zx_handle_close(Vmar) == ZX_OK, "Failed to close a vmar");
+  check(_zx_vmar_destroy(Vmar) == ZX_OK, "Failed to destroy a vmar");
+  check(_zx_handle_close(Vmar) == ZX_OK, "Failed to close a vmar");
   GuardedPagePoolPlatformData.Vmar = ZX_HANDLE_INVALID;
 }
 
@@ -69,7 +69,7 @@ void GuardedPoolAllocator::allocateInGuardedPool(void *Ptr, size_t Size) const {
   assert((Size % State.PageSize) == 0);
   zx_handle_t Vmo;
   zx_status_t Status = _zx_vmo_create(Size, 0, &Vmo);
-  Check(Status == ZX_OK, "Failed to create vmo");
+  check(Status == ZX_OK, "Failed to create vmo");
   _zx_object_set_property(Vmo, ZX_PROP_NAME, kGwpAsanAliveSlotName,
                           strlen(kGwpAsanAliveSlotName));
   const zx_handle_t Vmar = GuardedPagePoolPlatformData.Vmar;
@@ -81,7 +81,7 @@ void GuardedPoolAllocator::allocateInGuardedPool(void *Ptr, size_t Size) const {
                         ZX_VM_PERM_READ | ZX_VM_PERM_WRITE |
                             ZX_VM_ALLOW_FAULTS | ZX_VM_SPECIFIC,
                         Offset, Vmo, 0, Size, &P);
-  Check(Status == ZX_OK, "Vmo mapping failed");
+  check(Status == ZX_OK, "Vmo mapping failed");
   _zx_handle_close(Vmo);
 }
 
@@ -93,7 +93,7 @@ void GuardedPoolAllocator::deallocateInGuardedPool(void *Ptr,
   assert(Vmar != ZX_HANDLE_INVALID && Vmar != _zx_vmar_root_self());
   const zx_status_t Status =
       _zx_vmar_unmap(Vmar, reinterpret_cast<zx_vaddr_t>(Ptr), Size);
-  Check(Status == ZX_OK, "Vmar unmapping failed");
+  check(Status == ZX_OK, "Vmar unmapping failed");
 }
 
 size_t GuardedPoolAllocator::getPlatformPageSize() {

compiler-rt/lib/gwp_asan/platform_specific/guarded_pool_allocator_posix.cpp

@@ -46,23 +46,23 @@ void *GuardedPoolAllocator::map(size_t Size, const char *Name) const {
   assert((Size % State.PageSize) == 0);
   void *Ptr = mmap(nullptr, Size, PROT_READ | PROT_WRITE,
                    MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
-  Check(Ptr != MAP_FAILED, "Failed to map guarded pool allocator memory");
+  check(Ptr != MAP_FAILED, "Failed to map guarded pool allocator memory");
   MaybeSetMappingName(Ptr, Size, Name);
   return Ptr;
 }
 
 void GuardedPoolAllocator::unmap(void *Ptr, size_t Size) const {
   assert((reinterpret_cast<uintptr_t>(Ptr) % State.PageSize) == 0);
   assert((Size % State.PageSize) == 0);
-  Check(munmap(Ptr, Size) == 0,
+  check(munmap(Ptr, Size) == 0,
         "Failed to unmap guarded pool allocator memory.");
 }
 
 void *GuardedPoolAllocator::reserveGuardedPool(size_t Size) {
   assert((Size % State.PageSize) == 0);
   void *Ptr =
       mmap(nullptr, Size, PROT_NONE, MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
-  Check(Ptr != MAP_FAILED, "Failed to reserve guarded pool allocator memory");
+  check(Ptr != MAP_FAILED, "Failed to reserve guarded pool allocator memory");
   MaybeSetMappingName(Ptr, Size, kGwpAsanGuardPageName);
   return Ptr;
 }
@@ -75,7 +75,7 @@ void GuardedPoolAllocator::unreserveGuardedPool() {
 void GuardedPoolAllocator::allocateInGuardedPool(void *Ptr, size_t Size) const {
   assert((reinterpret_cast<uintptr_t>(Ptr) % State.PageSize) == 0);
   assert((Size % State.PageSize) == 0);
-  Check(mprotect(Ptr, Size, PROT_READ | PROT_WRITE) == 0,
+  check(mprotect(Ptr, Size, PROT_READ | PROT_WRITE) == 0,
         "Failed to allocate in guarded pool allocator memory");
   MaybeSetMappingName(Ptr, Size, kGwpAsanAliveSlotName);
 }
@@ -87,7 +87,7 @@ void GuardedPoolAllocator::deallocateInGuardedPool(void *Ptr,
   // mmap() a PROT_NONE page over the address to release it to the system, if
   // we used mprotect() here the system would count pages in the quarantine
   // against the RSS.
-  Check(mmap(Ptr, Size, PROT_NONE, MAP_FIXED | MAP_ANONYMOUS | MAP_PRIVATE, -1,
+  check(mmap(Ptr, Size, PROT_NONE, MAP_FIXED | MAP_ANONYMOUS | MAP_PRIVATE, -1,
              0) != MAP_FAILED,
         "Failed to deallocate in guarded pool allocator memory");
   MaybeSetMappingName(Ptr, Size, kGwpAsanGuardPageName);

compiler-rt/lib/gwp_asan/utilities.h

@@ -18,7 +18,7 @@ namespace gwp_asan {
 void die(const char *Message);
 
 // Checks that `Condition` is true, otherwise dies with `Message`.
-GWP_ASAN_ALWAYS_INLINE void Check(bool Condition, const char *Message) {
+GWP_ASAN_ALWAYS_INLINE void check(bool Condition, const char *Message) {
   if (Condition)
     return;
   die(Message);