metasm/cpu/z80/decode.rb in metasm-1.0.3 vs metasm/cpu/z80/decode.rb in metasm-1.0.4

@@ -149,16 +149,10 @@
 		return if edata.ptr > edata.length
 
 		di
 	end
 
-	# hash opcode_name => lambda { |dasm, di, *symbolic_args| instr_binding }
-	def backtrace_binding
-		@backtrace_binding ||= init_backtrace_binding
-	end
-	def backtrace_binding=(b) @backtrace_binding = b end
-
 	# populate the @backtrace_binding hash with default values
 	def init_backtrace_binding
 		@backtrace_binding ||= {}
 
 		mask = 0xffff
@@ -202,30 +196,9 @@
 			# TODO flags ?
 
 			@backtrace_binding[op] ||= binding if binding
 		}
 		@backtrace_binding
-	end
-
-	def get_backtrace_binding(di)
-		a = di.instruction.args.map { |arg|
-			case arg
-			when Memref, Reg; arg.symbolic(di)
-			else arg
-			end
-		}
-
-		if binding = backtrace_binding[di.opcode.basename]
-			binding[di, *a]
-		else
-			puts "unhandled instruction to backtrace: #{di}" if $VERBOSE
-			# assume nothing except the 1st arg is modified
-			case a[0]
-			when Indirection, Symbol; { a[0] => Expression::Unknown }
-			when Expression; (x = a[0].externals.first) ? { x => Expression::Unknown } : {}
-			else {}
-			end.update(:incomplete_binding => Expression[1])
-		end
 	end
 
 	# patch a forward binding from the backtrace binding
 	def fix_fwdemu_binding(di, fbd)
 		case di.opcode.name