Attachment 686555 Details for Bug 903522 – gdb backtrace and full backtrace

gdb backtrace and full backtrace

gdbfix (text/plain), 22.76 KB, created by Zdenek Kabelac on 2013-01-24 08:52:31 UTC

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Creator: Zdenek Kabelac

Created: 2013-01-24 08:52:31 UTC

Size: 22.76 KB

patch

obsolete

>[New LWP 4111]
>[Thread debugging using libthread_db enabled]
>Using host libthread_db library "/lib64/libthread_db.so.1".
>Core was generated by `gdb /usr/libexec/gnome-terminal-server 1410'.
>Program terminated with signal 6, Aborted.
>#0  0x00007f129f9bdde5 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
>56	  return INLINE_SYSCALL (tgkill, 3, pid, selftid, sig);
>(gdb) bt
>#0  0x00007f129f9bdde5 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
>#1  0x00007f129f9bf598 in __GI_abort () at abort.c:90
>#2  0x00000000006485e6 in dump_core () at ../../gdb/utils.c:764
>#3  0x000000000064ac0b in internal_vproblem (ap=<optimized out>, fmt=<optimized out>, line=<optimized out>, file=<optimized out>, problem=0xb0cb60 <internal_error_problem>) at ../../gdb/utils.c:922
>#4  internal_vproblem (problem=0xb0cb60 <internal_error_problem>, file=<optimized out>, line=<optimized out>, fmt=<optimized out>, ap=<optimized out>) at ../../gdb/utils.c:823
>#5  0x000000000064ad39 in internal_verror (file=<optimized out>, line=<optimized out>, fmt=<optimized out>, ap=ap@entry=0x7fff15f25ac8) at ../../gdb/utils.c:947
>#6  0x000000000064add2 in internal_error (file=file@entry=0x71fe13 "../../gdb/solib-svr4.c", line=line@entry=3154, string=<optimized out>) at ../../gdb/utils.c:957
>#7  0x000000000047508e in elf_lookup_lib_symbol (objfile=0x1856910, name=0x44273c0 "quarks", domain=VAR_DOMAIN) at ../../gdb/solib-svr4.c:3154
>#8  elf_lookup_lib_symbol (objfile=0x1856910, name=0x44273c0 "quarks", domain=VAR_DOMAIN) at ../../gdb/solib-svr4.c:3143
>#9  0x0000000000556e45 in lookup_symbol_global (name=0x44273c0 "quarks", block=<optimized out>, domain=VAR_DOMAIN) at ../../gdb/symtab.c:1809
>#10 0x0000000000557a77 in lookup_symbol_aux (is_a_field_of_this=0x0, language=<optimized out>, domain=VAR_DOMAIN, block=0x6efecf0, name=0x44273c0 "quarks") at ../../gdb/symtab.c:1392
>#11 lookup_symbol_in_language (name=name@entry=0x44273c0 "quarks", block=block@entry=0x6efecf0, domain=domain@entry=VAR_DOMAIN, lang=<optimized out>, is_a_field_of_this=is_a_field_of_this@entry=0x0)
>    at ../../gdb/symtab.c:1238
>#12 0x0000000000557b32 in lookup_symbol (name=name@entry=0x44273c0 "quarks", block=block@entry=0x6efecf0, domain=domain@entry=VAR_DOMAIN, is_a_field_of_this=is_a_field_of_this@entry=0x0)
>    at ../../gdb/symtab.c:1253
>#13 0x00000000004dec3b in frapy_read_var (self=0x77423b0, args=<optimized out>) at ../../gdb/python/py-frame.c:450
>#14 0x00007f12a0271201 in PyEval_EvalFrameEx () from /lib64/libpython2.7.so.1.0
>#15 0x00007f12a0270e71 in PyEval_EvalFrameEx () from /lib64/libpython2.7.so.1.0
>#16 0x00007f12a0270e71 in PyEval_EvalFrameEx () from /lib64/libpython2.7.so.1.0
>#17 0x00007f12a0270e71 in PyEval_EvalFrameEx () from /lib64/libpython2.7.so.1.0
>#18 0x00007f12a0270e71 in PyEval_EvalFrameEx () from /lib64/libpython2.7.so.1.0
>#19 0x00007f12a0271c3f in PyEval_EvalCodeEx () from /lib64/libpython2.7.so.1.0
>#20 0x00007f12a02018b6 in ?? () from /lib64/libpython2.7.so.1.0
>#21 0x00007f12a01ddbbe in PyObject_Call () from /lib64/libpython2.7.so.1.0
>#22 0x00007f12a01ec190 in ?? () from /lib64/libpython2.7.so.1.0
>#23 0x00007f12a01ddbbe in PyObject_Call () from /lib64/libpython2.7.so.1.0
>#24 0x00007f12a01de268 in PyObject_CallMethodObjArgs () from /lib64/libpython2.7.so.1.0
>#25 0x00000000004e2eee in pretty_print_one_value (printer=printer@entry=0x770f878, out_value=out_value@entry=0x7fff15f26cd8) at ../../gdb/python/py-prettyprint.c:224
>#26 0x00000000004e34be in print_string_repr (gdbarch=0x1795f80, language=0x7ae0a0 <c_language_defn>, options=0x7fff15f26f10, recurse=2, stream=0x8c3ebd0, hint=0x0, printer=0x770f878)
>    at ../../gdb/python/py-prettyprint.c:316
>#27 apply_val_pretty_printer (type=type@entry=0x7c9a9c0, valaddr=valaddr@entry=0x483a490 "\220\340\066\001", embedded_offset=embedded_offset@entry=0, address=address@entry=0, stream=stream@entry=0x8c3ebd0, 
>    recurse=recurse@entry=2, val=val@entry=0x45ab3e0, options=options@entry=0x7fff15f26f10, language=language@entry=0x7ae0a0 <c_language_defn>) at ../../gdb/python/py-prettyprint.c:743
>#28 0x000000000054b811 in val_print (type=0x7c9a9c0, valaddr=0x483a490 "\220\340\066\001", embedded_offset=embedded_offset@entry=0, address=0, stream=stream@entry=0x8c3ebd0, recurse=recurse@entry=2, 
>    val=val@entry=0x45ab3e0, options=options@entry=0x7fff15f26f10, language=language@entry=0x7ae0a0 <c_language_defn>) at ../../gdb/valprint.c:762
>#29 0x000000000054b8fb in common_val_print (val=0x45ab3e0, stream=stream@entry=0x8c3ebd0, recurse=recurse@entry=2, options=options@entry=0x7fff15f26f10, language=language@entry=0x7ae0a0 <c_language_defn>)
>    at ../../gdb/valprint.c:841
>#30 0x000000000057f832 in print_frame_arg (arg=arg@entry=0x7fff15f26fa0) at ../../gdb/stack.c:282
>#31 0x0000000000580548 in print_frame_args (func=<optimized out>, frame=frame@entry=0x1652968, num=num@entry=-1, stream=0x1775c10) at ../../gdb/stack.c:652
>#32 0x0000000000580d0a in print_frame (frame=frame@entry=0x1652968, print_level=print_level@entry=0, print_what=print_what@entry=SRC_AND_LOC, print_args=print_args@entry=1, sal=...) at ../../gdb/stack.c:1176
>#33 0x0000000000581386 in print_frame_info (frame=frame@entry=0x1652968, print_level=print_level@entry=0, print_what=print_what@entry=SRC_AND_LOC, print_args=print_args@entry=1) at ../../gdb/stack.c:831
>#34 0x0000000000581588 in print_stack_frame (frame=0x1652968, print_level=print_level@entry=0, print_what=print_what@entry=SRC_AND_LOC) at ../../gdb/stack.c:165
>#35 0x000000000057488b in normal_stop () at ../../gdb/infrun.c:6126
>#36 0x000000000057bbba in proceed (addr=addr@entry=18446744073709551615, siggnal=siggnal@entry=GDB_SIGNAL_DEFAULT, step=step@entry=1) at ../../gdb/infrun.c:2345
>#37 0x000000000056d01a in step_once (skip_subroutines=skip_subroutines@entry=0, single_inst=single_inst@entry=0, count=count@entry=1, thread=1) at ../../gdb/infcmd.c:1096
>#38 0x000000000056e23a in step_1 (skip_subroutines=0, single_inst=0, count_string=0x0) at ../../gdb/infcmd.c:931
>#39 0x0000000000646b2a in execute_command (p=0x15be161 "", p@entry=0x15be160 "s", from_tty=1) at ../../gdb/top.c:487
>#40 0x0000000000590261 in command_handler (command=0x15be160 "s") at ../../gdb/event-top.c:433
>#41 0x0000000000590c4c in command_line_handler (rl=<optimized out>) at ../../gdb/event-top.c:634
>#42 0x00007f12a1725fdb in rl_callback_read_char () from /lib64/libreadline.so.6
>#43 0x00000000005902c9 in rl_callback_read_char_wrapper (client_data=<optimized out>) at ../../gdb/event-top.c:163
>#44 0x000000000058f0b6 in process_event () at ../../gdb/event-loop.c:401
>#45 process_event () at ../../gdb/event-loop.c:351
>#46 0x000000000058f85f in gdb_do_one_event () at ../../gdb/event-loop.c:465
>#47 0x000000000058f9e5 in start_event_loop () at ../../gdb/event-loop.c:490
>#48 0x0000000000588ef3 in captured_command_loop (data=data@entry=0x0) at ../../gdb/main.c:257
>#49 0x000000000058760e in catch_errors (func=func@entry=0x588ee0 <captured_command_loop>, func_args=func_args@entry=0x0, errstring=errstring@entry=0x728438 "", mask=mask@entry=6) at ../../gdb/exceptions.c:546
>#50 0x0000000000589ad6 in captured_main (data=data@entry=0x7fff15f27740) at ../../gdb/main.c:1124
>#51 0x000000000058760e in catch_errors (func=func@entry=0x5892a0 <captured_main>, func_args=func_args@entry=0x7fff15f27740, errstring=errstring@entry=0x728438 "", mask=mask@entry=6)
>    at ../../gdb/exceptions.c:546
>#52 0x000000000058a744 in gdb_main (args=args@entry=0x7fff15f27740) at ../../gdb/main.c:1134
>#53 0x0000000000453b5e in main (argc=<optimized out>, argv=<optimized out>) at ../../gdb/gdb.c:34
>
>
>
>
>
>
>(gdb) bt full
>#0  0x00007f129f9bdde5 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
>        resultvar = 0
>        pid = 4111
>        selftid = 4111
>#1  0x00007f129f9bf598 in __GI_abort () at abort.c:90
>        save_stage = 2
>        act = {__sigaction_handler = {sa_handler = 0x8672ec0, sa_sigaction = 0x8672ec0}, sa_mask = {__val = {0, 1, 139717997028388, 1, 0, 0, 139717963738368, 11586400, 1, 45765936, 139717997054229, 0, 
>              139717964678407, 139717967607704, 140733561592384, 4}}, sa_flags = 0, sa_restorer = 0x510022f6}
>        sigs = {__val = {32, 0 <repeats 15 times>}}
>#2  0x00000000006485e6 in dump_core () at ../../gdb/utils.c:764
>        rlim = {rlim_cur = 18446744073709551615, rlim_max = 18446744073709551615}
>#3  0x000000000064ac0b in internal_vproblem (ap=<optimized out>, fmt=<optimized out>, line=<optimized out>, file=<optimized out>, problem=0xb0cb60 <internal_error_problem>) at ../../gdb/utils.c:922
>        quit_p = 1
>        dump_core_p = <optimized out>
>        reason = 0x8df7eb0 "../../gdb/solib-svr4.c:3154: internal-error: elf_lookup_lib_symbol: Assertion `objfile->separate_debug_objfile_backlink == NULL' failed.\nA problem internal to GDB has been detected,\nfurther debugging "...
>        dejavu = 1
>#4  internal_vproblem (problem=0xb0cb60 <internal_error_problem>, file=<optimized out>, line=<optimized out>, fmt=<optimized out>, ap=<optimized out>) at ../../gdb/utils.c:823
>        dejavu = 1
>#5  0x000000000064ad39 in internal_verror (file=<optimized out>, line=<optimized out>, fmt=<optimized out>, ap=ap@entry=0x7fff15f25ac8) at ../../gdb/utils.c:947
>No locals.
>#6  0x000000000064add2 in internal_error (file=file@entry=0x71fe13 "../../gdb/solib-svr4.c", line=line@entry=3154, string=<optimized out>) at ../../gdb/utils.c:957
>        ap = {{gp_offset = 40, fp_offset = 48, overflow_arg_area = 0x7fff15f25ba0, reg_save_area = 0x7fff15f25ae0}}
>#7  0x000000000047508e in elf_lookup_lib_symbol (objfile=0x1856910, name=0x44273c0 "quarks", domain=VAR_DOMAIN) at ../../gdb/solib-svr4.c:3154
>No locals.
>#8  elf_lookup_lib_symbol (objfile=0x1856910, name=0x44273c0 "quarks", domain=VAR_DOMAIN) at ../../gdb/solib-svr4.c:3143
>        abfd = <optimized out>
>#9  0x0000000000556e45 in lookup_symbol_global (name=0x44273c0 "quarks", block=<optimized out>, domain=VAR_DOMAIN) at ../../gdb/symtab.c:1809
>        sym = 0x0
>        objfile = 0x1856910
>        lookup_data = {name = 0x8672ec0 "\360\222A", domain = 5601263, result = 0x44273c0}
>#10 0x0000000000557a77 in lookup_symbol_aux (is_a_field_of_this=0x0, language=<optimized out>, domain=VAR_DOMAIN, block=0x6efecf0, name=0x44273c0 "quarks") at ../../gdb/symtab.c:1392
>        sym = <optimized out>
>        langdef = 0x7ae0a0 <c_language_defn>
>#11 lookup_symbol_in_language (name=name@entry=0x44273c0 "quarks", block=block@entry=0x6efecf0, domain=domain@entry=VAR_DOMAIN, lang=<optimized out>, is_a_field_of_this=is_a_field_of_this@entry=0x0)
>    at ../../gdb/symtab.c:1238
>        modified_name = 0x44273c0 "quarks"
>        returnval = 0x0
>        cleanup = 0x7651a0 <sentinel_cleanup>
>#12 0x0000000000557b32 in lookup_symbol (name=name@entry=0x44273c0 "quarks", block=block@entry=0x6efecf0, domain=domain@entry=VAR_DOMAIN, is_a_field_of_this=is_a_field_of_this@entry=0x0)
>    at ../../gdb/symtab.c:1253
>No locals.
>#13 0x00000000004dec3b in frapy_read_var (self=0x77423b0, args=<optimized out>) at ../../gdb/python/py-frame.c:450
>        var_name = 0x44273c0 "quarks"
>        block = 0x6efecf0
>        cleanup = 0x7651a0 <sentinel_cleanup>
>        except = {reason = 0, error = GDB_NO_ERROR, message = 0x0}
>        frame = <optimized out>
>        sym_obj = 0x77131e0
>        block_obj = 0x0
>        var = 0x0
>        val = 0x0
>        except = {reason = -1583489340, error = 32530, message = 0x5109b70 "\001"}
>#14 0x00007f12a0271201 in PyEval_EvalFrameEx () from /lib64/libpython2.7.so.1.0
>No symbol table info available.
>#15 0x00007f12a0270e71 in PyEval_EvalFrameEx () from /lib64/libpython2.7.so.1.0
>No symbol table info available.
>#16 0x00007f12a0270e71 in PyEval_EvalFrameEx () from /lib64/libpython2.7.so.1.0
>No symbol table info available.
>#17 0x00007f12a0270e71 in PyEval_EvalFrameEx () from /lib64/libpython2.7.so.1.0
>No symbol table info available.
>#18 0x00007f12a0270e71 in PyEval_EvalFrameEx () from /lib64/libpython2.7.so.1.0
>No symbol table info available.
>#19 0x00007f12a0271c3f in PyEval_EvalCodeEx () from /lib64/libpython2.7.so.1.0
>No symbol table info available.
>#20 0x00007f12a02018b6 in ?? () from /lib64/libpython2.7.so.1.0
>No symbol table info available.
>#21 0x00007f12a01ddbbe in PyObject_Call () from /lib64/libpython2.7.so.1.0
>No symbol table info available.
>#22 0x00007f12a01ec190 in ?? () from /lib64/libpython2.7.so.1.0
>No symbol table info available.
>#23 0x00007f12a01ddbbe in PyObject_Call () from /lib64/libpython2.7.so.1.0
>No symbol table info available.
>#24 0x00007f12a01de268 in PyObject_CallMethodObjArgs () from /lib64/libpython2.7.so.1.0
>No symbol table info available.
>#25 0x00000000004e2eee in pretty_print_one_value (printer=printer@entry=0x770f878, out_value=out_value@entry=0x7fff15f26cd8) at ../../gdb/python/py-prettyprint.c:224
>        except = {reason = 0, error = GDB_NO_ERROR, message = 0x0}
>        result = 0x0
>#26 0x00000000004e34be in print_string_repr (gdbarch=0x1795f80, language=0x7ae0a0 <c_language_defn>, options=0x7fff15f26f10, recurse=2, stream=0x8c3ebd0, hint=0x0, printer=0x770f878)
>    at ../../gdb/python/py-prettyprint.c:316
>        replacement = 0x0
>        py_str = 0x0
>        result = string_repr_ok
>#27 apply_val_pretty_printer (type=type@entry=0x7c9a9c0, valaddr=valaddr@entry=0x483a490 "\220\340\066\001", embedded_offset=embedded_offset@entry=0, address=address@entry=0, stream=stream@entry=0x8c3ebd0, 
>    recurse=recurse@entry=2, val=val@entry=0x45ab3e0, options=options@entry=0x7fff15f26f10, language=language@entry=0x7ae0a0 <c_language_defn>) at ../../gdb/python/py-prettyprint.c:743
>        gdbarch = 0x1795f80
>        printer = 0x770f878
>        val_obj = <optimized out>
>        value = <optimized out>
>        hint = 0x0
>        cleanups = 0x7651a0 <sentinel_cleanup>
>        result = 0
>        print_result = (unknown: 7901568)
>#28 0x000000000054b811 in val_print (type=0x7c9a9c0, valaddr=0x483a490 "\220\340\066\001", embedded_offset=embedded_offset@entry=0, address=0, stream=stream@entry=0x8c3ebd0, recurse=recurse@entry=2, 
>    val=val@entry=0x45ab3e0, options=options@entry=0x7fff15f26f10, language=language@entry=0x7ae0a0 <c_language_defn>) at ../../gdb/valprint.c:762
>        except = {reason = 0, error = GDB_NO_ERROR, message = 0x7f129fd3f740 <main_arena> ""}
>        ret = 0
>        local_opts = {pretty = Val_no_prettyprint, prettyprint_arrays = 0, prettyprint_structs = 0, vtblprint = 0, unionprint = 1, addressprint = 1, objectprint = 0, print_max = 200, 
>          repeat_count_threshold = 10, output_format = 0, format = 0, stop_print_at_null = 0, print_array_indexes = 0, deref_ref = 1, static_field_print = 1, pascal_static_field_print = 1, raw = 0, 
>          summary = 1, symbol_print = 1}
>        real_type = 0x7c9a9c0
>#29 0x000000000054b8fb in common_val_print (val=0x45ab3e0, stream=stream@entry=0x8c3ebd0, recurse=recurse@entry=2, options=options@entry=0x7fff15f26f10, language=language@entry=0x7ae0a0 <c_language_defn>)
>    at ../../gdb/valprint.c:841
>No locals.
>#30 0x000000000057f832 in print_frame_arg (arg=arg@entry=0x7fff15f26fa0) at ../../gdb/stack.c:282
>        language = 0x7ae0a0 <c_language_defn>
>        opts = {pretty = Val_no_prettyprint, prettyprint_arrays = 0, prettyprint_structs = 0, vtblprint = 0, unionprint = 1, addressprint = 1, objectprint = 0, print_max = 200, repeat_count_threshold = 10, 
>          output_format = 0, format = 0, stop_print_at_null = 0, print_array_indexes = 0, deref_ref = 1, static_field_print = 1, pascal_static_field_print = 1, raw = 0, summary = 1, symbol_print = 1}
>        uiout = 0x16a11e0
>        except = {reason = 0, error = GDB_NO_ERROR, message = 0x0}
>        old_chain = 0x6d56c60
>        stb = 0x8c3ebd0
>        __PRETTY_FUNCTION__ = "print_frame_arg"
>#31 0x0000000000580548 in print_frame_args (func=<optimized out>, frame=frame@entry=0x1652968, num=num@entry=-1, stream=0x1775c10) at ../../gdb/stack.c:652
>        arg = {sym = 0x6eb4500, val = 0x45ab3e0, error = 0x0, entry_kind = 0x77dfce <print_entry_values_no> "no"}
>        entryarg = {sym = 0x6eb4500, val = 0x0, error = 0x0, entry_kind = 0x77dfce <print_entry_values_no> "no"}
>        b = 0x6efecf0
>        iter = {d = {symtab = 0x6efecf0, block = 0x6efecf0}, idx = -1, which = FIRST_LOCAL_BLOCK, dict_iter = {dict = 0x6efed20, index = 0, current = 0x0}}
>        sym = 0x6eb4500
>        uiout = 0x16a11e0
>        first = 1
>        highest_offset = -1
>        args_printed = 0
>        old_chain = 0x7651a0 <sentinel_cleanup>
>        stb = <optimized out>
>        print_args = 1
>        __PRETTY_FUNCTION__ = "print_frame_args"
>#32 0x0000000000580d0a in print_frame (frame=frame@entry=0x1652968, print_level=print_level@entry=0, print_what=print_what@entry=SRC_AND_LOC, print_args=print_args@entry=1, sal=...) at ../../gdb/stack.c:1176
>        gdbarch = <optimized out>
>        numargs = -1
>        args_list_chain = 0x68b8c90
>        e = {reason = 0, error = GDB_NO_ERROR, message = 0x0}
>        gdbarch = 0x17e9660
>        uiout = 0x16a11e0
>        funname = 0x189bc1c "terminal_notebook_scroll_event"
>        funlang = language_c
>        stb = <optimized out>
>        old_chain = 0x7651a0 <sentinel_cleanup>
>        list_chain = 0x3655a80
>        opts = {pretty = Val_pretty_default, prettyprint_arrays = 0, prettyprint_structs = 0, vtblprint = 0, unionprint = 1, addressprint = 1, objectprint = 0, print_max = 200, repeat_count_threshold = 10, 
>          output_format = 0, format = 0, stop_print_at_null = 0, print_array_indexes = 0, deref_ref = 0, static_field_print = 1, pascal_static_field_print = 1, raw = 0, summary = 0, symbol_print = 1}
>        func = 0x6eb4490
>        pc = 4298871
>        pc_p = 1
>#33 0x0000000000581386 in print_frame_info (frame=frame@entry=0x1652968, print_level=print_level@entry=0, print_what=print_what@entry=SRC_AND_LOC, print_args=print_args@entry=1) at ../../gdb/stack.c:831
>        gdbarch = 0x17e9660
>        sal = {pspace = 0x16c58a0, symtab = 0x783c970, section = 0x0, line = 331, pc = 4298871, end = 4298874, explicit_pc = 0, explicit_line = 0, probe = 0x0}
>        source_print = <optimized out>
>        location_print = <optimized out>
>        uiout = 0x16a11e0
>#34 0x0000000000581588 in print_stack_frame (frame=0x1652968, print_level=print_level@entry=0, print_what=print_what@entry=SRC_AND_LOC) at ../../gdb/stack.c:165
>        center = 1
>        e = {reason = 0, error = GDB_NO_ERROR, message = 0x0}
>#35 0x000000000057488b in normal_stop () at ../../gdb/infrun.c:6126
>        bpstat_ret = <optimized out>
>        source_flag = 1
>        do_frame_printing = 1
>        tp = <optimized out>
>        last = {kind = TARGET_WAITKIND_STOPPED, value = {integer = <optimized out>, sig = <optimized out>, related_pid = {pid = <optimized out>, lwp = <optimized out>, tid = <optimized out>}, 
>            execd_pathname = <optimized out>, syscall_number = <optimized out>}}
>        old_chain = <optimized out>
>        __PRETTY_FUNCTION__ = "normal_stop"
>#36 0x000000000057bbba in proceed (addr=addr@entry=18446744073709551615, siggnal=siggnal@entry=GDB_SIGNAL_DEFAULT, step=step@entry=1) at ../../gdb/infrun.c:2345
>        regcache = <optimized out>
>        gdbarch = <optimized out>
>        tp = <optimized out>
>        pc = <optimized out>
>        aspace = <optimized out>
>        resume_step = <optimized out>
>#37 0x000000000056d01a in step_once (skip_subroutines=skip_subroutines@entry=0, single_inst=single_inst@entry=0, count=count@entry=1, thread=1) at ../../gdb/infcmd.c:1096
>        tp = 0x17f7770
>        frame = <optimized out>
>#38 0x000000000056e23a in step_1 (skip_subroutines=0, single_inst=0, count_string=0x0) at ../../gdb/infcmd.c:931
>        count = 1
>        cleanups = 0x23b5c20
>        async_exec = <optimized out>
>        thread = 1
>#39 0x0000000000646b2a in execute_command (p=0x15be161 "", p@entry=0x15be160 "s", from_tty=1) at ../../gdb/top.c:487
>        arg = <optimized out>
>        cleanup_if_error = 0x15bd140
>        cleanup = 0x2435880
>        c = 0x1637760
>        line = 0x15be160 "s"
>#40 0x0000000000590261 in command_handler (command=0x15be160 "s") at ../../gdb/event-top.c:433
>        stdin_is_tty = <optimized out>
>        stat_chain = 0x7651a0 <sentinel_cleanup>
>#41 0x0000000000590c4c in command_line_handler (rl=<optimized out>) at ../../gdb/event-top.c:634
>        linebuffer = 0x586f910 "s"
>        linelength = 80
>        p = 0x586f910 "s"
>        p1 = <optimized out>
>        nline = <optimized out>
>        got_eof = 0 '\000'
>        repeat = 1
>#42 0x00007f12a1725fdb in rl_callback_read_char () from /lib64/libreadline.so.6
>No symbol table info available.
>#43 0x00000000005902c9 in rl_callback_read_char_wrapper (client_data=<optimized out>) at ../../gdb/event-top.c:163
>No locals.
>#44 0x000000000058f0b6 in process_event () at ../../gdb/event-loop.c:401
>        event_ptr = <optimized out>
>        proc = 0x58ef00 <handle_file_event>
>        data = {ptr = 0x7fff00000000, integer = 0}
>#45 process_event () at ../../gdb/event-loop.c:351
>No locals.
>#46 0x000000000058f85f in gdb_do_one_event () at ../../gdb/event-loop.c:465
>        event_source_head = 0
>        current = <optimized out>
>#47 0x000000000058f9e5 in start_event_loop () at ../../gdb/event-loop.c:490
>        ex = {reason = 0, error = GDB_NO_ERROR, message = 0x0}
>        result = 0
>#48 0x0000000000588ef3 in captured_command_loop (data=data@entry=0x0) at ../../gdb/main.c:257
>No locals.
>#49 0x000000000058760e in catch_errors (func=func@entry=0x588ee0 <captured_command_loop>, func_args=func_args@entry=0x0, errstring=errstring@entry=0x728438 "", mask=mask@entry=6) at ../../gdb/exceptions.c:546
>        val = 0
>        exception = {reason = 0, error = GDB_NO_ERROR, message = 0x0}
>        saved_uiout = 0x16a11e0
>#50 0x0000000000589ad6 in captured_main (data=data@entry=0x7fff15f27740) at ../../gdb/main.c:1124
>        context = 0x7fff15f27740
>        argc = 3
>        argv = 0x7fff15f27848
>        quiet = 0
>        set_args = 0
>        inhibit_home_gdbinit = 0
>        symarg = <optimized out>
>        execarg = <optimized out>
>        pidarg = 0x0
>        corearg = <optimized out>
>        pid_or_core_arg = <optimized out>
>        cdarg = 0x0
>        ttyarg = 0x0
>        python_script = <optimized out>
>        print_help = 0
>        print_version = 0
>        cmdarg_vec = 0x0
>        cmdarg_p = 0x0
>        dirarg = <optimized out>
>        dirsize = <optimized out>
>        ndir = 1
>        system_gdbinit = 0x16ee1c0 "/etc/gdbinit"
>        home_gdbinit = 0x0
>        local_gdbinit = 0x0
>        i = <optimized out>
>        save_auto_load = 1
>        objfile = <optimized out>
>        pre_stat_chain = 0x7651a0 <sentinel_cleanup>
>#51 0x000000000058760e in catch_errors (func=func@entry=0x5892a0 <captured_main>, func_args=func_args@entry=0x7fff15f27740, errstring=errstring@entry=0x728438 "", mask=mask@entry=6)
>    at ../../gdb/exceptions.c:546
>        val = 0
>        exception = {reason = 0, error = GDB_NO_ERROR, message = 0x0}
>        saved_uiout = 0xb0b620 <def_uiout>
>#52 0x000000000058a744 in gdb_main (args=args@entry=0x7fff15f27740) at ../../gdb/main.c:1134
>No locals.
>#53 0x0000000000453b5e in main (argc=<optimized out>, argv=<optimized out>) at ../../gdb/gdb.c:34
>        args = {argc = 3, argv = 0x7fff15f27848, use_windows = 0, interpreter_p = 0x71cab0 "console"}
>(gdb) q

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Attachments on bug 903522: 686555 | 690795