def mni_func(self, args, from_tty):
s = args.split()
if len(s) > 1: # msi into next Maple instruction
self.usage()
return
if len(s) == 0:
mni_common()
elif len(s) == 1 and s[0].isdigit():
for i in range(int(s[0])):
if m_inf.is_inferior_running(): mni_common()
else:
break
else:
self.usage()
return
if m_inf.is_inferior_running():
mni_display_last_opcodes()
m_util.gdb_exec('display')
return
def mni_common():
#start_level_num = get_current_stack_level()
prev_frame = m_frame.get_newest_frame()
m_util.gdb_exec('msi -internal')
new_frame = m_frame.get_newest_frame()
#end_level_num = get_current_stack_level()
if not new_frame:
return
if new_frame != prev_frame and prev_frame.is_valid():
#assert start_level_num < end_level_num
m_stepi.silent_finish()
m_util.gdb_exec('msi -internal')
#else:
# assert start_level_num >= end_level_num
# a trigger point to update m_datastore caches
if m_inf.is_inferior_running():
m_datastore.mgdb_rdata.update_gdb_runtime_data()
m_datastore.mgdb_rdata.update_frame_change_counter()
def event_breakpoint_created_handler(bp):
"""event handler to handle breakpoint creation
if a native breakpoint is created in Maple shared library program space,
delete this breakpoint or disable it
"""
if isinstance(bp, m_stepi.MapleFinishBreakpoint):
return
if bp.location == "maple::maple_invoke_method" or bp.location == "__inc_opcode_cnt" \
or bp.location == "maple::InvokeInterpretMethod" or bp.location == "__inc_opcode_cnt_dyn":
return
if not m_inf.is_inferior_running():
return
try:
result_value = gdb.parse_and_eval(bp.location)
except:
# breakpoint symbol not found in program space, so it is not a valid breakpoint
return
so_name = gdb.solib_name(int(result_value.address))
if not so_name: # this happens to be at very beginning before all the shared libraries are loaded
return
so_name = os.path.realpath(so_name)
asm_name_1 = so_name[:-3] + '.s'
asm_name_2 = so_name[:-3] + '.VtableImpl.s'
asm_list = m_info.get_loaded_lib_asm_path()
if asm_name_1 in asm_list or asm_name_2 in asm_list:
bploc = '%s%s%s' % (MColors.BP_ADDR, bp.location, MColors.ENDC)
# this means this breakpoint's address is in Maple Engine loaded shared library
gdb_print("Warning: It is not allowed to set a gdb breakpoint at %s in Maple shared library %s%s%s" % \
(bploc, MColors.BT_SRC, so_name.split('/')[-1], MColors.ENDC))
bp.delete()
gdb_print(
"This gdb breakpoint at %s was deleted. Please set a Maple breakpoint with a 'mbreak' command"
% bploc)