(gdb) watch _rl_kscxt
Hardware watchpoint 1: _rl_kscxt
(gdb) watch rl_readline_state
Hardware watchpoint 2: rl_readline_state
(gdb) c
Continuing.
Hardware watchpoint 2: rl_readline_state

Old value = 786438
New value = 786446
readline_internal_char () at ../readline.c:564
564	../readline.c: No such file or directory.
(gdb) c
Continuing.
Hardware watchpoint 2: rl_readline_state

Old value = 786446
New value = 786438
readline_internal_char () at ../readline.c:571
571	in ../readline.c
(gdb)
Continuing.
Hardware watchpoint 2: rl_readline_state

Old value = 786438
New value = 2883590
_rl_dispatch_subseq (key=27, map=<optimized out>, got_subseq=0) at ../readline.c:919
919	in ../readline.c
(gdb)
Continuing.
Hardware watchpoint 1: _rl_kscxt

Old value = (_rl_keyseq_cxt *) 0x0
New value = (_rl_keyseq_cxt *) 0x114a090
_rl_dispatch_subseq (key=27, map=<optimized out>, got_subseq=0) at ../readline.c:921
921	in ../readline.c
(gdb)
Continuing.
Hardware watchpoint 2: rl_readline_state

Old value = 2883590
New value = 11272198
rl_redisplay () at ../display.c:558
558	../display.c: No such file or directory.
(gdb)
Continuing.
Hardware watchpoint 2: rl_readline_state

Old value = 11272198
New value = 2883590
rl_redisplay () at ../display.c:1292
1292	in ../display.c
(gdb)
Continuing.
Hardware watchpoint 2: rl_readline_state

Old value = 2883590
New value = 2883670
_rl_subseq_getchar (key=27) at ../readline.c:708
708	../readline.c: No such file or directory.
(gdb)
Continuing.
Hardware watchpoint 2: rl_readline_state

Old value = 2883670
New value = 2883590
_rl_subseq_getchar (key=<optimized out>) at ../readline.c:714
714	in ../readline.c
(gdb)
Continuing.
Hardware watchpoint 1: _rl_kscxt

Old value = (_rl_keyseq_cxt *) 0x114a090
New value = (_rl_keyseq_cxt *) 0x1184820
_rl_dispatch_subseq (key=91, map=<optimized out>, got_subseq=0) at ../readline.c:921
921	in ../readline.c
(gdb)
Continuing.
Hardware watchpoint 2: rl_readline_state

Old value = 2883590
New value = 2883654
_rl_subseq_getchar (key=91) at ../readline.c:708
708	in ../readline.c
(gdb)
Continuing.
Hardware watchpoint 2: rl_readline_state

Old value = 2883654
New value = 2883590
_rl_subseq_getchar (key=<optimized out>) at ../readline.c:714
714	in ../readline.c
(gdb)
Continuing.
Hardware watchpoint 2: rl_readline_state

Old value = 2883590
New value = 2883622
_rl_dispatch_subseq (key=65, map=<optimized out>, got_subseq=0) at ../readline.c:829
829	in ../readline.c
(gdb)
Continuing.
Hardware watchpoint 2: rl_readline_state

Old value = 2883622
New value = 2883590
_rl_dispatch_subseq (key=65, map=<optimized out>, got_subseq=0) at ../readline.c:833
833	in ../readline.c
(gdb)
Continuing.
Hardware watchpoint 1: _rl_kscxt

Old value = (_rl_keyseq_cxt *) 0x1184820
New value = (_rl_keyseq_cxt *) 0x114a090
_rl_dispatch_callback (cxt=0x1184820) at ../readline.c:756
756	in ../readline.c
(gdb)
Continuing.
Hardware watchpoint 1: _rl_kscxt

Old value = (_rl_keyseq_cxt *) 0x114a090
New value = (_rl_keyseq_cxt *) 0x0
_rl_dispatch_callback (cxt=0x114a090) at ../readline.c:756

(gdb) p *(_rl_keyseq_cxt *) 0x1184820
$5 = {flags = 0, subseq_arg = 0, subseq_retval = 0, dmap = 0x11c6290, oldmap = 0x7f1740c95d20 <emacs_meta_keymap>, okey = 91,
  ocxt = 0x114a090, childval = -3}

(gdb) p *(_rl_keyseq_cxt *) 0x114a090
$1 = {flags = 1, subseq_arg = 0, subseq_retval = 0, dmap = 0x7f1740c95d20 <emacs_meta_keymap>,
  oldmap = 0x7f1740c96d40 <emacs_standard_keymap>, okey = 27, ocxt = 0x0, childval = 1}

(gdb) p /x rl_readline_state
$3 = 0x2c0006


(gdb) info locals
nkey = <optimized out>
r = 1


(gdb) bt
#0  _rl_dispatch_callback (cxt=0x114a090) at ../readline.c:756
#1  0x00007f1740a7dca0 in rl_callback_read_char () at ../callback.c:188
#2  0x00007f1740c9cacb in readline_until_enter_or_signal (signal=<synthetic pointer>, prompt=<optimized out>)
    at /home/anatol/tmp/pkgs/python/src/Python-3.3.4/Modules/readline.c:1027
#3  call_readline (sys_stdin=<optimized out>, sys_stdout=<optimized out>, prompt=<optimized out>)
    at /home/anatol/tmp/pkgs/python/src/Python-3.3.4/Modules/readline.c:1115
#4  0x00007f1746e81e4f in PyOS_Readline (sys_stdin=0x7f1746c074e0 <_IO_2_1_stdin_>, sys_stdout=0x7f1746c072a0 <_IO_2_1_stdout_>,
    prompt=0x7f1742913320 "\n\001\033[0;32m\002In [\001\033[1;32m\002\061\001\033[0;32m\002]: \001\033[0m\002") at Parser/myreadline.c:214
#5  0x00007f1746f2b6f6 in builtin_input (self=<optimized out>, args=<optimized out>) at Python/bltinmodule.c:1734
#6  0x00007f1746f3694c in call_function (oparg=<optimized out>, pp_stack=0x7fff83b9b110) at Python/ceval.c:4069
#7  PyEval_EvalFrameEx (f=f@entry=0x11e67b0, throwflag=throwflag@entry=0) at Python/ceval.c:2679
#8  0x00007f1746f373b1 in PyEval_EvalCodeEx (_co=_co@entry=0x7f1742fae4b0, globals=<optimized out>, locals=locals@entry=0x0,
    args=<optimized out>, argcount=argcount@entry=2, kws=0x11fc820, kwcount=0, defs=0x7f17427e59a8, defcount=1, kwdefs=0x0, closure=0x0)
    at Python/ceval.c:3439
#9  0x00007f1746f363b9 in fast_function (nk=<optimized out>, na=2, n=<optimized out>, pp_stack=0x7fff83b9b330, func=<optimized out>)
    at Python/ceval.c:4167
#10 call_function (oparg=<optimized out>, pp_stack=0x7fff83b9b330) at Python/ceval.c:4090
#11 PyEval_EvalFrameEx (f=f@entry=0x11fc660, throwflag=throwflag@entry=0) at Python/ceval.c:2679
#12 0x00007f1746f373b1 in PyEval_EvalCodeEx (_co=_co@entry=0x7f1742fae420, globals=<optimized out>, locals=locals@entry=0x0,
    args=<optimized out>, argcount=argcount@entry=1, kws=0x118afb8, kwcount=1, defs=0x7f17427e5968, defcount=1, kwdefs=0x0, closure=0x0)
    at Python/ceval.c:3439
#13 0x00007f1746f363b9 in fast_function (nk=<optimized out>, na=1, n=<optimized out>, pp_stack=0x7fff83b9b550, func=<optimized out>)
    at Python/ceval.c:4167