make -C /lib/modules/6.5.5-porteus/build M=/root/opemu-linux-master modules
make[1]: Entering directory '/usr/src/linux-6.5.5'
  CC [M]  /root/opemu-linux-master/trap_hook.o
/root/opemu-linux-master/trap_hook.c:59:23: error: field ‘ops’ has incomplete type
   59 |     struct ftrace_ops ops;
      |                       ^~~
In file included from ./include/linux/container_of.h:5,
                 from ./include/linux/kernel.h:21,
                 from ./include/linux/interrupt.h:6,
                 from ./include/linux/trace_recursion.h:5,
                 from ./include/linux/ftrace.h:10,
                 from /root/opemu-linux-master/trap_hook.c:13:
/root/opemu-linux-master/trap_hook.c: In function ‘fh_ftrace_thunk’:
././include/linux/compiler_types.h:338:27: error: expression in static assertion is not an integer
  338 | #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
      |                           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/linux/build_bug.h:78:56: note: in definition of macro ‘__static_assert’
   78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
      |                                                        ^~~~
./include/linux/container_of.h:20:9: note: in expansion of macro ‘static_assert’
   20 |         static_assert(__same_type(*(ptr), ((type *)0)->member) ||       \
      |         ^~~~~~~~~~~~~
./include/linux/container_of.h:20:23: note: in expansion of macro ‘__same_type’
   20 |         static_assert(__same_type(*(ptr), ((type *)0)->member) ||       \
      |                       ^~~~~~~~~~~
/root/opemu-linux-master/trap_hook.c:150:32: note: in expansion of macro ‘container_of’
  150 |     struct ftrace_hook *hook = container_of(ops, struct ftrace_hook, ops);
      |                                ^~~~~~~~~~~~
/root/opemu-linux-master/trap_hook.c:156:13: error: invalid use of undefined type ‘struct ftrace_regs’
  156 |         regs->regs.ip = (unsigned long) hook->function;
      |             ^~
/root/opemu-linux-master/trap_hook.c: In function ‘fh_install_hook’:
/root/opemu-linux-master/trap_hook.c:181:23: error: ‘FTRACE_OPS_FL_SAVE_REGS’ undeclared (first use in this function)
  181 |     hook->ops.flags = FTRACE_OPS_FL_SAVE_REGS
      |                       ^~~~~~~~~~~~~~~~~~~~~~~
/root/opemu-linux-master/trap_hook.c:181:23: note: each undeclared identifier is reported only once for each function it appears in
/root/opemu-linux-master/trap_hook.c:182:23: error: ‘FTRACE_OPS_FL_RECURSION’ undeclared (first use in this function)
  182 |                     | FTRACE_OPS_FL_RECURSION
      |                       ^~~~~~~~~~~~~~~~~~~~~~~
/root/opemu-linux-master/trap_hook.c:183:23: error: ‘FTRACE_OPS_FL_IPMODIFY’ undeclared (first use in this function)
  183 |                     | FTRACE_OPS_FL_IPMODIFY;
      |                       ^~~~~~~~~~~~~~~~~~~~~~
make[3]: *** [scripts/Makefile.build:243: /root/opemu-linux-master/trap_hook.o] Error 1
make[2]: *** [/usr/src/linux-6.5.5/Makefile:2034: /root/opemu-linux-master] Error 2
make[1]: *** [Makefile:234: __sub-make] Error 2
make[1]: Leaving directory '/usr/src/linux-6.5.5'
make: *** [Makefile:15: all] Error 2