[compiler-rt] [scudo] [MTE] resize stack depot for allocation ring buffer (PR #74515)

Florian Mayer via llvm-commits llvm-commits at lists.llvm.org
Mon Feb 5 14:49:47 PST 2024


================
@@ -917,8 +919,14 @@ class Allocator {
       Primary.Options.clear(OptionBit::AddLargeAllocationSlack);
   }
 
-  const char *getStackDepotAddress() const {
-    return reinterpret_cast<const char *>(&Depot);
+  const char *getStackDepotAddress() {
+    initThreadMaybe();
+    return reinterpret_cast<char *>(Depot);
+  }
+
+  uptr getStackDepotSize() {
+    initThreadMaybe();
----------------
fmayer wrote:

`mapAndInitializeRingBuffer` is called in `init` which is called through `initThreadMaybe` (through `initOnceMaybe`).

https://github.com/llvm/llvm-project/pull/74515


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