fixed arm test: arm code needs to be reverse b.c. its little endian

test/example-disassemble.py

@@ -6,26 +6,57 @@ from llvmpy import api
 
 llvm.initialize_all_target_components()
 
+def op_str(op):
+   s = []
+   if op.isValid():
+       s.append("valid")
+   else:
+       s.append("invalid")
+
+   if op.isReg():
+       s.append("+reg(%d)" % op.getReg())
+   
+   if op.isImm():
+       s.append("+imm(%d)" % op.getImm())
+
+   if op.isFPImm():
+       s.append("+fp-imm(%f)" % op.getFPImm())
+
+   if op.isExpr():
+       s.append("+expr")
+
+   if op.isInst():
+       s.append("+inst")
+
+   return " ".join(s)
 
 def print_instructions(dasm, bs):
     for (offset, inst) in dasm.decode(bs):
         if inst is None:
             print("\t%r=>(bad): 0, []" % (offset))
-        elif isinstance(inst, mc.BadInstr):
-            print("\t%r=>(bad)%r: %r, %r" % (offset, inst, len(inst), inst.operands()))
         else:
-            print("\t%r=>%r: %r, %r" % (offset, inst, len(inst), inst.operands()))
+            if  isinstance(inst, mc.BadInstr):
+                print("\t%r=>(bad)%r: %r" % (offset, inst, len(inst)))
+            else:
+                print("\t%r=>%r: %r" % (offset, inst, len(inst)))
+
+            for op in inst.operands():
+                print("\t\t%s" % op_str(op))
 
 
 print("x86:")
 print_instructions(Disassembler.x86(), "\x01\xc3\xc3\xcc\x90")
 print("x86-64:")
 print_instructions(Disassembler.x86_64(), "\x55\x48\x89\xe8")
-#print("arm:")
+print("arm:")
-#code = "\xe9\x2d\x40\x08\xe5\x9f\x00\x0c\xe5\x9f\x10\x0c" + \
+code = [
-#       "\xe5\x9f\x20\x0c\xe5\x9f\x30\x0c\xeb\xff\xff\xf6"
+    "\xe9\x2d\x48\x00",
-#print_instructions(Disassembler.arm(), code)
+    "\xea\x00\x00\x06",
-
+    "\xe2\x4d\xd0\x20",
+    "\xe2\x8d\xb0\x04",
+    "\xe5\x0b\x00\x20"
+]
+print_instructions(Disassembler.arm(), "".join(map(lambda s: s[::-1], code)))