def emu(dev, regdev):
emu = ms.Emulator(ms.ARCH_ARM)
emu.mem.map(CODE_ADDR, SEG_SIZE, 'code')
emu.jump(CODE_ADDR)
dev.attach(emu)
regdev.attach(emu)
return emu
def test_code(code):
emu = ms.Emulator(ARCH)
data = ARCH.default_isa.assemble(code, BASE)
emu.mem.load(BASE, data, 'seg')
emu.mem.map(RO_ADDR, ms.Emulator.PAGE_SIZE, 'rodata', ms.AccessType.R)
emu.add_code_hook(ms.HOOK_STOP, BASE + len(data))
emu.add_code_hook(trace_func)
try:
emu.run(address=BASE)
except ms.CPUError as e:
print(e)
def create_emu(arch):
emu = ms.Emulator(arch)
emu.mem.map(CODE_ADDRESS, 0x1000, 'code')
emu.mem.map(DATA_ADDRESS, 0x1000, 'data')
nop = arch.default_isa.assemble('nop')
emu.mem.write(CODE_ADDRESS, nop * NUM_NOPS)
emu.regs.retval = REG_VALUE
emu.sp = SP_VALUE
emu.jump(CODE_ADDRESS)
return emu
import megastone as ms
isa = ms.ISA_ARM
emu = ms.Emulator(ms.ARCH_ARM)
seg = emu.mem.allocate(0x1000)
emu.mem.write_code(seg.address, """
PUSH {LR}
ADD R0, R1
ADD R0, R2
POP {PC}
""", isa)
emu.allocate_stack()
emu.regs.set(r0=3, r1=5, r2=1)
print(emu.run_function(seg.address, isa=isa))
print(emu.run_function(seg.address, isa=isa))
def test_unsupported():
emu = ms.Emulator(ms.ARCH_X86_16)
with pytest.raises(ms.UnsupportedError):
ms.GDBServer(emu)