[PATCH v4 3/4] Mark functions with the latent_entropy attribute

The latent_entropy gcc attribute can be only on functions and variables. If it is on a function then the plugin will instrument it. If the attribute is on a variable then the plugin will initialize it with a random value. The variable must be an integer, an integer array type or a structure with

[PATCH v4 3/4] Mark functions with the latent_entropy attribute

The latent_entropy gcc attribute can be only on functions and variables. If it is on a function then the plugin will instrument it. If the attribute is on a variable then the plugin will initialize it with a random value. The variable must be an integer, an integer array type or a structure with