mirror of
https://github.com/yuzu-emu/unicorn
synced 2024-11-24 13:38:26 +00:00
13007eb12a
* renamed gem unicorn to unicorn-engine * renamed modules to unicornengine * renamed Module Unicorn to UnicornEngine and the gem unicorn-engine to unicornengine * unicornengine -> unicorn_engine
65 lines
1.7 KiB
Ruby
65 lines
1.7 KiB
Ruby
#!/usr/bin/env ruby
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# Sample code for ARM of Unicorn. Nguyen Anh Quynh <aquynh@gmail.com>
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# Ruby sample ported by Sascha Schirra <sashs82@gmail.com>
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require 'unicorn_engine'
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require 'unicorn_engine/m68k_const'
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include UnicornEngine
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# code to be emulated
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M68K_CODE = "\x76\xed" # movq #-19, %d3
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# memory address where emulation starts
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ADDRESS = 0x10000
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# callback for tracing basic blocks
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$hook_block = Proc.new do |uc, address, size, user_data|
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puts(">>> Tracing basic block at 0x%x, block size = 0x%x" % [address, size])
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end
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# callback for tracing instructions
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$hook_code = Proc.new do |uc, address, size, user_data|
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puts(">>> Tracing instruction at 0x%x, instruction size = %u" % [address, size])
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end
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# Test m68k
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def test_m68k()
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puts("Emulate M68K code")
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begin
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# Initialize emulator in m68k mode
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mu = Uc.new UC_ARCH_M68K, UC_MODE_BIG_ENDIAN
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# map 2MB memory for this emulation
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mu.mem_map(ADDRESS, 2 * 1024 * 1024)
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# write machine code to be emulated to memory
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mu.mem_write(ADDRESS, M68K_CODE)
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# initialize machine registers
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mu.reg_write(UC_M68K_REG_D3, 0x1234)
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# tracing all basic blocks with customized callback
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mu.hook_add(UC_HOOK_BLOCK, $hook_block)
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# tracing all instructions with customized callback
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mu.hook_add(UC_HOOK_CODE, $hook_code)
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# emulate machine code in infinite time
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mu.emu_start(ADDRESS, ADDRESS + M68K_CODE.bytesize)
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# now print out some registers
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puts(">>> Emulation done. Below is the CPU context")
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d3 = mu.reg_read(UC_M68K_REG_D3)
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puts(">>> D3 = 0x%x" % d3)
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rescue UcError => e
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puts("ERROR: %s" % e)
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end
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end
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test_m68k()
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