Crate xtensa_lx_rt_proc_macros

Internal implementation details of xtensa-lx-rt.

Do not use this crate directly.

Attribute Macros

• entry
  Marks a function as the main function to be called on program start
• exception
  Marks a function as the exception handler
• interrupt
  Marks a function as the interrupt handler, with optional interrupt level indicated
• pre_init
  Marks a function as the pre_init function. This function is called before main and before the memory is initialized.