diff --git a/bindings/ruby/sample_m68k.rb b/bindings/ruby/sample_m68k.rb new file mode 100644 index 00000000..1acff39f --- /dev/null +++ b/bindings/ruby/sample_m68k.rb @@ -0,0 +1,65 @@ +#!/usr/bin/env ruby +# Sample code for ARM of Unicorn. Nguyen Anh Quynh +# Ruby sample ported by Sascha Schirra + +require 'unicorn' +require 'unicorn/m68k_const' + +include Unicorn + +# code to be emulated +M68K_CODE = "\x76\xed" # movq #-19, %d3 +# memory address where emulation starts +ADDRESS = 0x10000 + + +# callback for tracing basic blocks +$hook_block = Proc.new do |uc, address, size, user_data| + puts(">>> Tracing basic block at 0x%x, block size = 0x%x" % [address, size]) +end + + +# callback for tracing instructions +$hook_code = Proc.new do |uc, address, size, user_data| + puts(">>> Tracing instruction at 0x%x, instruction size = %u" % [address, size]) +end + + +# Test m68k +def test_m68k() + puts("Emulate M68K code") + begin + # Initialize emulator in m68k mode + mu = Uc.new UC_ARCH_M68K, UC_MODE_BIG_ENDIAN + + # map 2MB memory for this emulation + mu.mem_map(ADDRESS, 2 * 1024 * 1024) + + # write machine code to be emulated to memory + mu.mem_write(ADDRESS, M68K_CODE) + + # initialize machine registers + mu.reg_write(UC_M68K_REG_D3, 0x1234) + + # tracing all basic blocks with customized callback + mu.hook_add(UC_HOOK_BLOCK, $hook_block) + + # tracing all instructions with customized callback + mu.hook_add(UC_HOOK_CODE, $hook_code) + + # emulate machine code in infinite time + mu.emu_start(ADDRESS, ADDRESS + M68K_CODE.bytesize) + + # now print out some registers + puts(">>> Emulation done. Below is the CPU context") + + d3 = mu.reg_read(UC_M68K_REG_D3) + puts(">>> D3 = 0x%x" % d3) + + rescue UcError => e + puts("ERROR: %s" % e) + end +end + + +test_m68k()