1 files changed, 0 insertions, 170 deletions
diff --git a/miasm/jitter/emulatedsymbexec.py b/miasm/jitter/emulatedsymbexec.py
deleted file mode 100644
index 1c3100ae..00000000
--- a/miasm/jitter/emulatedsymbexec.py
+++ /dev/null
@@ -1,170 +0,0 @@
-from miasm.core.utils import decode_hex, encode_hex
-import miasm.expression.expression as m2_expr
-from miasm.ir.symbexec import SymbolicExecutionEngine
-from miasm.arch.x86.arch import is_op_segm
-
-
-class EmulatedSymbExec(SymbolicExecutionEngine):
-    """Symbolic exec instance linked with a jitter"""
-
-    x86_cpuid = {
-        0: {
-            0: 0xa,
-            1: 0x756E6547,
-            2: 0x6C65746E,
-            3: 0x49656E69,
-        },
-        1: {
-            0: 0x00020652,
-            1: 0x00000800,
-            2: 0x00000209,
-            3: 0x078bf9ff
-        },
-        2: {
-            0: 0,
-            1: 0,
-            2: 0,
-            3: 0
-        },
-        4: {
-            0: 0,
-            1: 0,
-            2: 0,
-            3: 0
-        },
-        7: {
-            0: 0,
-            1: (1 << 0) | (1 << 3),
-            2: 0,
-            3: 0
-        },
-        0x80000000: {
-            0: 0x80000008,
-            1: 0,
-            2: 0,
-            3: 0
-        },
-        0x80000001: {
-            0: 0,
-            1: 0,
-            2: (1 << 0) | (1 << 8),
-            3: (1 << 11) | (1 << 29),
-        },
-    }
-
-    def __init__(self, cpu, vm, *args, **kwargs):
-        """Instantiate an EmulatedSymbExec, associated to CPU @cpu and bind
-        memory accesses.
-        @cpu: JitCpu instance
-        """
-        super(EmulatedSymbExec, self).__init__(*args, **kwargs)
-        self.cpu = cpu
-        self.vm = vm
-
-    def reset_regs(self):
-        """Set registers value to 0. Ignore register aliases"""
-        for reg in self.lifter.arch.regs.all_regs_ids_no_alias:
-            self.symbols.symbols_id[reg] = m2_expr.ExprInt(0, size=reg.size)
-
-    # Memory management
-    def mem_read(self, expr_mem):
-        """Memory read wrapper for symbolic execution
-        @expr_mem: ExprMem"""
-
-        addr = expr_mem.ptr
-        if not addr.is_int():
-            return super(EmulatedSymbExec, self).mem_read(expr_mem)
-        addr = int(addr)
-        size = expr_mem.size // 8
-        value = self.vm.get_mem(addr, size)
-        if self.vm.is_little_endian():
-            value = value[::-1]
-        self.vm.add_mem_read(addr, size)
-
-        return m2_expr.ExprInt(
-            int(encode_hex(value), 16),
-            expr_mem.size
-        )
-
-    def mem_write(self, dest, data):
-        """Memory read wrapper for symbolic execution
-        @dest: ExprMem instance
-        @data: Expr instance"""
-
-        # Get the content to write
-        data = self.expr_simp(data)
-        if not isinstance(data, m2_expr.ExprInt):
-            raise RuntimeError("A simplification is missing: %s" % data)
-        to_write = int(data)
-
-        # Format information
-        addr = int(dest.ptr)
-        size = data.size // 8
-        content = hex(to_write).replace("0x", "").replace("L", "")
-        content = "0" * (size * 2 - len(content)) + content
-        content = decode_hex(content)
-
-        if self.vm.is_little_endian():
-            content = content[::-1]
-
-        # Write in VmMngr context
-        self.vm.set_mem(addr, content)
-
-    # Interaction symbexec <-> jitter
-    def update_cpu_from_engine(self):
-        """Updates @cpu instance according to new CPU values"""
-
-        for symbol in self.symbols:
-            if isinstance(symbol, m2_expr.ExprId):
-                if hasattr(self.cpu, symbol.name):
-                    value = self.symbols.symbols_id[symbol]
-                    if not isinstance(value, m2_expr.ExprInt):
-                        raise ValueError("A simplification is missing: %s" % value)
-
-                    setattr(self.cpu, symbol.name, int(value))
-            else:
-                raise NotImplementedError("Type not handled: %s" % symbol)
-
-
-    def update_engine_from_cpu(self):
-        """Updates CPU values according to @cpu instance"""
-
-        for symbol in self.symbols:
-            if isinstance(symbol, m2_expr.ExprId):
-                if hasattr(self.cpu, symbol.name):
-                    value = m2_expr.ExprInt(getattr(self.cpu, symbol.name),
-                                            symbol.size)
-                    self.symbols.symbols_id[symbol] = value
-            else:
-                raise NotImplementedError("Type not handled: %s" % symbol)
-
-    # CPU specific simplifications
-    def _simp_handle_segm(self, e_s, expr):
-        """Handle 'segm' operation"""
-        if not is_op_segm(expr):
-            return expr
-        if not expr.args[0].is_int():
-            return expr
-        segm_nb = int(expr.args[0])
-        segmaddr = self.cpu.get_segm_base(segm_nb)
-        return e_s(m2_expr.ExprInt(segmaddr, expr.size) + expr.args[1])
-
-    def _simp_handle_x86_cpuid(self, e_s, expr):
-        """From miasm/jitter/op_semantics.h: x86_cpuid"""
-        if expr.op != "x86_cpuid":
-            return expr
-
-        if any(not arg.is_int() for arg in expr.args):
-            return expr
-        a, reg_num = (int(arg) for arg in expr.args)
-
-        # Not found error is keeped on purpose
-        return m2_expr.ExprInt(self.x86_cpuid[a][reg_num], expr.size)
-
-    def enable_emulated_simplifications(self):
-        """Enable simplifications needing a CPU instance on associated
-        ExpressionSimplifier
-        """
-        self.expr_simp.enable_passes({
-            m2_expr.ExprOp: [self._simp_handle_segm, self._simp_handle_x86_cpuid],
-        })