[llvm] [BOLT] Validate that direct branch/call targets are valid instructions (PR #165406)

via llvm-commits llvm-commits at lists.llvm.org
Tue Oct 28 07:40:46 PDT 2025


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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp,h -- bolt/include/bolt/Core/BinaryFunction.h bolt/lib/Core/BinaryFunction.cpp --diff_from_common_commit
``````````

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<details>
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View the diff from clang-format here.
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``````````diff
diff --git a/bolt/include/bolt/Core/BinaryFunction.h b/bolt/include/bolt/Core/BinaryFunction.h
index 6fdc8336b..c9ec1b4ae 100644
--- a/bolt/include/bolt/Core/BinaryFunction.h
+++ b/bolt/include/bolt/Core/BinaryFunction.h
@@ -2239,8 +2239,7 @@ public:
   /// Validates if the target of a direct branch/call is a valid
   /// executable instruction.
   /// Return true if the target is valid, false otherwise.
-  bool validateBranchTarget(uint64_t TargetAddress,
-                            uint64_t AbsoluteInstrAddr,
+  bool validateBranchTarget(uint64_t TargetAddress, uint64_t AbsoluteInstrAddr,
                             const ArrayRef<uint8_t> &CurrentFunctionData);
 
   /// Disassemble function from raw data.
diff --git a/bolt/lib/Core/BinaryFunction.cpp b/bolt/lib/Core/BinaryFunction.cpp
index 821a302d1..6c5d3c647 100644
--- a/bolt/lib/Core/BinaryFunction.cpp
+++ b/bolt/lib/Core/BinaryFunction.cpp
@@ -1286,8 +1286,7 @@ BinaryFunction::disassembleInstructionAtOffset(uint64_t Offset) const {
 bool BinaryFunction::validateBranchTarget(
     uint64_t TargetAddress, uint64_t AbsoluteInstrAddr,
     const ArrayRef<uint8_t> &CurrentFunctionData) {
-  if (auto *TargetFunc =
-          BC.getBinaryFunctionContainingAddress(TargetAddress)) {
+  if (auto *TargetFunc = BC.getBinaryFunctionContainingAddress(TargetAddress)) {
     const uint64_t TargetOffset = TargetAddress - TargetFunc->getAddress();
     ArrayRef<uint8_t> TargetFunctionData;
     // Check if the target address is within the current function.

``````````

</details>


https://github.com/llvm/llvm-project/pull/165406


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