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Updated ruby bindings (#744)

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* added methods for uc_context_save, uc_context_restore

* added test for context_save

* changed version of the lib
This commit is contained in:
Sascha Schirra
2017-01-29 01:13:17 +01:00
committed by Nguyen Anh Quynh
parent 89d536df5a
commit eb4dc61c66
4 changed files with 104 additions and 3 deletions
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45
bindings/ruby/sample_x86.rb
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@ -258,7 +258,7 @@ def test_i386_invalid_mem_write()
r_ecx = mu.reg_read(UC_X86_REG_ECX)
r_edx = mu.reg_read(UC_X86_REG_EDX)
puts ">>> ECX = 0x%x" % r_ecx
puts ">>> ECX = 0x%x" % r_ecx
puts ">>> EDX = 0x%x" % r_edx
begin
@ -282,6 +282,47 @@ def test_i386_invalid_mem_write()
end
end
def test_i386_context_save()
puts("Save/restore CPU context in opaque blob")
address = 0
code = '\x40' # inc eax
begin
# Initialize emulator
mu = Uc.new UC_ARCH_X86, UC_MODE_32
# map 8KB memory for this emulation
mu.mem_map(address, 8 * 1024, UC_PROT_ALL)
# write machine code to be emulated to memory
mu.mem_write(address, code)
# set eax to 1
mu.reg_write(UC_X86_REG_EAX, 1)
puts(">>> Running emulation for the first time")
mu.emu_start(address, address+1)
puts(">>> Emulation done. Below is the CPU context")
puts(">>> EAX = 0x%x" %(mu.reg_read(UC_X86_REG_EAX)))
puts(">>> Saving CPU context")
saved_context = mu.context_save()
puts(">>> Running emulation for the second time")
mu.emu_start(address, address+1)
puts(">>> Emulation done. Below is the CPU context")
puts(">>> EAX = 0x%x" %(mu.reg_read(UC_X86_REG_EAX)))
puts(">>> CPU context restored. Below is the CPU context")
mu.context_restore(saved_context)
puts(">>> EAX = 0x%x" %(mu.reg_read(UC_X86_REG_EAX)))
rescue UcError => e
puts("ERROR: %s" % e)
end
end
# Test X86 32 bit with IN/OUT instruction
def test_i386_inout()
puts("Emulate i386 code with IN/OUT instructions")
@ -500,6 +541,8 @@ test_i386_invalid_mem_read()
puts("=" * 20)
test_i386_invalid_mem_write()
puts("=" * 20)
test_i386_context_save()
puts("=" * 20)
test_i386_inout()
puts("=" * 20)
test_x86_64()