[Tarantool-patches] [PATCH luajit 02/19] test: introduce mcode generator for tests

[Sergey Bronnikov]

Hi, Sergey


Thanks for the patch!

Sergey

On 8/9/23 18:35, Sergey Kaplun wrote:

<snipped>


> ls/frontend.lua b/test/tarantool-tests/utils/frontend.lua
> index 2afebbb2..414257fd 100644
> --- a/test/tarantool-tests/utils/frontend.lua
> +++ b/test/tarantool-tests/utils/frontend.lua
> @@ -1,6 +1,10 @@
>   local M = {}
>   
>   local bc = require('jit.bc')
> +local jutil = require('jit.util')
> +local vmdef = require('jit.vmdef')
> +local bcnames = vmdef.bcnames
> +local band, rshift = bit.band, bit.rshift
>   
>   function M.hasbc(f, bytecode)
>     assert(type(f) == 'function', 'argument #1 should be a function')
> @@ -22,4 +26,24 @@ function M.hasbc(f, bytecode)
>     return hasbc
>   end
>   
> +-- Get traceno of the trace assotiated for the given function.
> +function M.gettraceno(func)
> +  assert(type(func) == 'function', 'argument #1 should be a function')
> +
> +  -- The 0th BC is the header.
> +  local func_ins = jutil.funcbc(func, 0)
> +  local BC_NAME_LENGTH = 6
> +  local RD_SHIFT = 16


Nit: AFAIK usually we left a comment with a source of constants.



<snipped>