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Diffstat (limited to 'docs/LangRef.html')
| -rw-r--r-- | docs/LangRef.html | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/docs/LangRef.html b/docs/LangRef.html index f1869c31d9..221cc492eb 100644 --- a/docs/LangRef.html +++ b/docs/LangRef.html @@ -985,6 +985,18 @@ caller functions. It may dereference pointer arguments and read state that may be set in the caller. A readonly function always returns the same value (or throws the same exception) when called with the same set of arguments and global state.</dd> + +<dt><tt><a name="ssp">ssp</a></tt></dt> +<dd>This attribute indicates that the function should emit a stack smashing +protector. It is in the form of a "canary"—a random value placed on the +stack before the local variables that's checked upon return from the function to +see if it has been overwritten. A heuristic is used to determine if a function +needs stack protectors or not.</dd> + +<dt><tt>ssp-req</tt></dt> +<dd>This attribute indicates that the function should <em>always</em> emit a +stack smashing protector. This overrides the <tt><a href="#ssp">ssp</a></tt> +function attribute.</dd> </dl> </div> |