On Fri, Aug 25, 2017 at 11:33:30PM +0300, Victor Krapivensky wrote: > strace is built with a Lua implementation, not a FFI library. LuaJIT > comes with its own FFI library, non-LuaJIT users have to install a > standalone one. A compile-time difference is that LuaJIT defines > LUA_FFILIBNAME, and, in absence of it, strace tries to load a library > named "ffi". > The only run-time difference important to us is how a comparison against > a null pointer should be done: LuaJIT requires comparing a boxed pointer > against nil; luaffi with ffi.C.NULL; and luaffifb with ffi.NULL. > Oh, and Lua 5.1 (non-LuaJIT) is not supported as for now, due to that > standalone implementations don't support arithmetics on pointers. > Honestly, I am not sure if supporting non-LuaJIT is worth it.
Got it, I thought that FFI should be a part of any Lua implementation (like, linked with it => build-time decision) in order to be usable. ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Strace-devel mailing list Strace-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/strace-devel
