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Repository:
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https://reviews.llvm.org/D141698
Files:
clang/docs/ControlFlowIntegrityDesign.rst
Index: clang/docs/ControlFlowIntegrityDesign.rst
===
--- clang/docs/ControlFlowIntegrityDesign.rst
+++ clang/docs/ControlFlowIntegrityDesign.rst
@@ -8,11 +8,12 @@
Forward-Edge CFI for Virtual Calls
==
-This scheme works by allocating, for each static type used to make a virtual
-call, a region of read-only storage in the object file holding a bit vector
-that maps onto to the region of storage used for those virtual tables. Each
-set bit in the bit vector corresponds to the `address point`_ for a virtual
-table compatible with the static type for which the bit vector is being built.
+This scheme works by allocating a region of read-only storage in the object
+file that holds a bit vector which maps onto the region of storage used for
+the virtual tables. This is done for each static type that is used to make a
+virtual call. Each set bit in the bit vector corresponds to the `address
point`_
+for a virtual table compatible with the static type for which the bit vector is
+being built.
For example, consider the following three C++ classes:
Index: clang/docs/ControlFlowIntegrityDesign.rst
===
--- clang/docs/ControlFlowIntegrityDesign.rst
+++ clang/docs/ControlFlowIntegrityDesign.rst
@@ -8,11 +8,12 @@
Forward-Edge CFI for Virtual Calls
==
-This scheme works by allocating, for each static type used to make a virtual
-call, a region of read-only storage in the object file holding a bit vector
-that maps onto to the region of storage used for those virtual tables. Each
-set bit in the bit vector corresponds to the `address point`_ for a virtual
-table compatible with the static type for which the bit vector is being built.
+This scheme works by allocating a region of read-only storage in the object
+file that holds a bit vector which maps onto the region of storage used for
+the virtual tables. This is done for each static type that is used to make a
+virtual call. Each set bit in the bit vector corresponds to the `address point`_
+for a virtual table compatible with the static type for which the bit vector is
+being built.
For example, consider the following three C++ classes:
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