146     Buffer Buf;  in getBuffer()  local
147     Buf.Data = &RawBuffer[index * StaticBufferNumElements];  in getBuffer()
148     Buf.BufferIndex = index;  in getBuffer()
149     memset(Buf.Data, 0, StaticBufferNumElements * sizeof(uptr));  in getBuffer()
150     return Buf;  in getBuffer()
153   void releaseBuffer(Buffer Buf) {  in releaseBuffer()  argument
154     DCHECK_NE(Buf.Data, nullptr);  in releaseBuffer()
155     DCHECK_LE(Buf.BufferIndex, StaticBufferCount);  in releaseBuffer()
156     if (Buf.BufferIndex != StaticBufferCount) {  in releaseBuffer()
158       DCHECK_EQ((Mask & (static_cast<uptr>(1) << Buf.BufferIndex)), 0U);  in releaseBuffer()
159       Mask |= static_cast<uptr>(1) << Buf.BufferIndex;  in releaseBuffer()
161       Buf.MemMap.unmap(Buf.MemMap.getBase(), Buf.MemMap.getCapacity());  in releaseBuffer()
165   bool isStaticBufferTestOnly(const Buffer &Buf) {  in isStaticBufferTestOnly()  argument
166     DCHECK_NE(Buf.Data, nullptr);  in isStaticBufferTestOnly()
167     DCHECK_LE(Buf.BufferIndex, StaticBufferCount);  in isStaticBufferTestOnly()
168     return Buf.BufferIndex != StaticBufferCount;  in isStaticBufferTestOnly()
181     Buffer Buf;  in getDynamicBuffer()  local
182     if (Buf.MemMap.map(/*Addr=*/0, MappedSize, "scudo:counters", MmapFlags)) {  in getDynamicBuffer()
183       Buf.Data = reinterpret_cast<uptr *>(Buf.MemMap.getBase());  in getDynamicBuffer()
184       Buf.BufferIndex = StaticBufferCount;  in getDynamicBuffer()
186     return Buf;  in getDynamicBuffer()