diff options
Diffstat (limited to 'miasm2/jitter/jitcore.py')
| -rw-r--r-- | miasm2/jitter/jitcore.py | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/miasm2/jitter/jitcore.py b/miasm2/jitter/jitcore.py index 6c4d197e..741760cd 100644 --- a/miasm2/jitter/jitcore.py +++ b/miasm2/jitter/jitcore.py @@ -15,6 +15,8 @@ # with this program; if not, write to the Free Software Foundation, Inc., # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. # +from hashlib import md5 + from miasm2.core import asmblock from miasm2.core.interval import interval from miasm2.core.utils import BoundedDict @@ -35,6 +37,7 @@ class JitCore(object): """ self.ir_arch = ir_arch + self.arch_name = "%s%s" % (self.ir_arch.arch.name, self.ir_arch.attrib) self.bs = bs self.known_blocs = {} self.lbl2jitbloc = BoundedDict(self.jitted_block_max_size, @@ -267,3 +270,16 @@ class JitCore(object): for addr_start, addr_stop in vm.get_memory_write(): mem_range.append((addr_start, addr_stop)) self.updt_automod_code_range(vm, mem_range) + + def hash_block(self, block): + """ + Build a hash of the block @block + @block: asmblock + """ + block_raw = "".join(line.b for line in block.lines) + block_hash = md5("%X_%s_%s_%s_%s" % (block.label.offset, + self.arch_name, + self.log_mn, + self.log_regs, + block_raw)).hexdigest() + return block_hash |