cemu-idapython/examples/debughook.py
2015-04-20 14:26:30 +02:00

108 lines
3.4 KiB
Python

#---------------------------------------------------------------------
# Debug notification hook test
#
# This script start the executable and steps through the first five
# instructions. Each instruction is disassembled after execution.
#
# Original Author: Gergely Erdelyi <gergely.erdelyi@d-dome.net>
#
# Maintained By: IDAPython Team
#
#---------------------------------------------------------------------
from idaapi import *
class MyDbgHook(DBG_Hooks):
""" Own debug hook class that implementd the callback functions """
def dbg_process_start(self, pid, tid, ea, name, base, size):
print("Process started, pid=%d tid=%d name=%s" % (pid, tid, name))
def dbg_process_exit(self, pid, tid, ea, code):
print("Process exited pid=%d tid=%d ea=0x%x code=%d" % (pid, tid, ea, code))
def dbg_library_unload(self, pid, tid, ea, info):
print("Library unloaded: pid=%d tid=%d ea=0x%x info=%s" % (pid, tid, ea, info))
return 0
def dbg_process_attach(self, pid, tid, ea, name, base, size):
print("Process attach pid=%d tid=%d ea=0x%x name=%s base=%x size=%x" % (pid, tid, ea, name, base, size))
def dbg_process_detach(self, pid, tid, ea):
print("Process detached, pid=%d tid=%d ea=0x%x" % (pid, tid, ea))
return 0
def dbg_library_load(self, pid, tid, ea, name, base, size):
print "Library loaded: pid=%d tid=%d name=%s base=%x" % (pid, tid, name, base)
def dbg_bpt(self, tid, ea):
print "Break point at 0x%x pid=%d" % (ea, tid)
# return values:
# -1 - to display a breakpoint warning dialog
# if the process is suspended.
# 0 - to never display a breakpoint warning dialog.
# 1 - to always display a breakpoint warning dialog.
return 0
def dbg_suspend_process(self):
print "Process suspended"
def dbg_exception(self, pid, tid, ea, exc_code, exc_can_cont, exc_ea, exc_info):
print("Exception: pid=%d tid=%d ea=0x%x exc_code=0x%x can_continue=%d exc_ea=0x%x exc_info=%s" % (
pid, tid, ea, exc_code & idaapi.BADADDR, exc_can_cont, exc_ea, exc_info))
# return values:
# -1 - to display an exception warning dialog
# if the process is suspended.
# 0 - to never display an exception warning dialog.
# 1 - to always display an exception warning dialog.
return 0
def dbg_trace(self, tid, ea):
print("Trace tid=%d ea=0x%x" % (tid, ea))
# return values:
# 1 - do not log this trace event;
# 0 - log it
return 0
def dbg_step_into(self):
print("Step into")
self.dbg_step_over()
def dbg_run_to(self, pid, tid=0, ea=0):
print "Runto: tid=%d" % tid
idaapi.continue_process()
def dbg_step_over(self):
eip = GetRegValue("EIP")
print("0x%x %s" % (eip, GetDisasm(eip)))
self.steps += 1
if self.steps >= 5:
request_exit_process()
else:
request_step_over()
# Remove an existing debug hook
try:
if debughook:
print("Removing previous hook ...")
debughook.unhook()
except:
pass
# Install the debug hook
debughook = MyDbgHook()
debughook.hook()
debughook.steps = 0
# Stop at the entry point
ep = GetLongPrm(INF_START_IP)
request_run_to(ep)
# Step one instruction
request_step_over()
# Start debugging
run_requests()