flashbench: add vm dummy main and error reporting

Instead of just returning NULL, this now prints an
error message and back trace.

The main function can test the interpreter.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2 files changed
tree: 309539e17ee219247f967bad8518fbcda308a86d
  1. flashbench.c
  2. Makefile
  3. vm.c