path: root/mu-init-test.subx

# Just a test stub for mu-init.subx
#
# Try it out like this:
#   $ ./translate_subx init.linux [0-9]*.subx mu-init.subx mu-init-test.subx
#   $ ./a.elf  # should run all tests

main:  # args: (addr array (addr array byte)) -> result/ebx: int
    # . prologue
    55/push-ebp
    89/<- %ebp 4/r32/esp
    # . save registers
    50/push-eax
    56/push-esi
    # esi = args
    8b/-> *(ebp+8) 6/r32/esi
    {
      # if (argc <= 1) break
      81 7/subop/compare *esi 4/imm32
      7e/jump-if-<= break/disp8
      # if (argv[1] != "test") break
      (string-equal? *(esi+8) "test")  # => eax
      3d/compare-eax-and 0/imm32
      74/jump-if-= break/disp8
      #
      (run-tests)
      # return *Num-test-failures
      8b/-> *Num-test-failures 3/r32/ebx
      eb/jump $main:end/disp8
    }
$main:end:
    # . restore registers
    5e/pop-to-esi
    58/pop-to-eax
    # . epilogue
    89/<- %esp 5/r32/ebp
    5d/pop-to-ebp
    c3/return