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[libc++] Fix documentation for setting hardening ABI macros #121946

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Jan 7, 2025
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[libc++] Fix documentation for setting hardening ABI macros #121946

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5 changes: 4 additions & 1 deletion libcxx/docs/Hardening.rst
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Expand Up @@ -311,7 +311,10 @@ ABI configuration.
ABI options
-----------

Vendors can use the following ABI options to enable additional hardening checks:
Vendors can use some ABI options at CMake configuration time (when building libc++
itself) to enable additional hardening checks. This is done by passing these
macros as ``-DLIBCXX_ABI_DEFINES="_LIBCPP_ABI_FOO;_LIBCPP_ABI_BAR;etc"`` at
CMake configuration time. The available options are:

- ``_LIBCPP_ABI_BOUNDED_ITERATORS`` -- changes the iterator type of select
containers (see below) to a bounded iterator that keeps track of whether it's
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