Add ARM support to tools/grokdump.py

tools/disasm.py

Index: tools/disasm.py
diff --git a/tools/disasm.py b/tools/disasm.py
index 681b4256dfe005058a409ea960377d6580579dd6..e8589b205bcae2ce52ef5fa529c1a40ec8bb7391 100644
--- a/tools/disasm.py
+++ b/tools/disasm.py
@@ -53,7 +53,7 @@ _ARCH_MAP = {
 }
 
 
-def GetDisasmLines(filename, offset, size, arch, inplace):
+def GetDisasmLines(filename, offset, size, arch, inplace, objdump_flags=""):
   tmp_name = None
   if not inplace:
     # Create a temporary file containing a copy of the code.
@@ -63,7 +63,8 @@ def GetDisasmLines(filename, offset, size, arch, inplace):
     command = "dd if=%s of=%s bs=1 count=%d skip=%d && " \
               "%s %s -D -b binary %s %s" % (
       filename, tmp_name, size, offset,
-      OBJDUMP_BIN, ' '.join(_COMMON_DISASM_OPTIONS), arch_flags,
+      OBJDUMP_BIN, ' '.join(_COMMON_DISASM_OPTIONS),
+      arch_flags + " " + objdump_flags,
       tmp_name)
   else:
     command = "%s %s --start-address=%d --stop-address=%d -d %s " % (