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idapython-src/examples/debugging/misc/registers_context_menu.py
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2021-05-04 09:37:45 +02:00

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Python

"""
summary: adding actions to the "registers" widget(s)
description:
It's possible to add actions to the context menu of
pretty much all widgets in IDA.
This example shows how to do just that for
registers-displaying widgets (e.g., "General registers")
"""
import ida_dbg
import ida_idd
import ida_kernwin
import ida_ua
ACTION_NAME = "registers_context_menu:dump_reg"
class dump_reg_ah_t(ida_kernwin.action_handler_t):
def activate(self, ctx):
name = ctx.regname
value = ida_dbg.get_reg_val(name)
rtype = "integer"
rinfo = ida_idd.register_info_t()
if ida_dbg.get_dbg_reg_info(name, rinfo):
if rinfo.dtype == ida_ua.dt_byte:
value = "0x%02x" % value
elif rinfo.dtype == ida_ua.dt_word:
value = "0x%04x" % value
elif rinfo.dtype == ida_ua.dt_dword:
value = "0x%08x" % value
elif rinfo.dtype == ida_ua.dt_qword:
value = "0x%016x" % value
else:
rtype = "float"
print("> Register %s (of type %s): %s" % (name, rtype, value))
def update(self, ctx):
return ida_kernwin.AST_ENABLE_FOR_WIDGET \
if ctx.widget_type == ida_kernwin.BWN_CPUREGS \
else ida_kernwin.AST_DISABLE_FOR_WIDGET
if ida_kernwin.register_action(
ida_kernwin.action_desc_t(
ACTION_NAME,
"Dump register info",
dump_reg_ah_t())):
class registers_hooks_t(ida_kernwin.UI_Hooks):
def finish_populating_widget_popup(self, form, popup):
if ida_kernwin.get_widget_type(form) == ida_kernwin.BWN_CPUREGS:
ida_kernwin.attach_action_to_popup(form, popup, ACTION_NAME)
hooks = registers_hooks_t()
hooks.hook()
else:
print("Failed to register action")