This patchset implements the __builtin_dynamic_object_size builtin for
gcc. The primary motivation to have this builtin in gcc is to enable
_FORTIFY_SOURCE=3 support with gcc, thus allowing greater fortification
in use cases where the potential performance tradeoff is acceptable.
Semantics:
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On 11/26/21 10:58, Siddhesh Poyarekar wrote:
sure it works) and saw no issues in any of those builds. I did some
rudimentary analysis of the generated binaries using fortify-metrics[1]
to confirm that there was a difference in coverage between the two
fortification levels.
Here is a summary of
