Remote protocol problems after 2009 Oct 20
Julian Smith
jsmith@undo-software.com
Tue Nov 24 21:25:00 GMT 2009
Hello
I'm working on UndoDB's support for running as a remote target,
controlled by gdb-7's remote protocol commands, including the new
reverse commands bc and bs.
Things were working fine, but a rather large commit to gdb on 2009 Oct
19 (the diff is 10,000 lines long) seems to have changed something and
UndoDB no longer works, even for simple running forwards.
The symptom is that gdb doesn't step off of an internal (i.e. not set
by the user) breakpoint in _dl_debug_state after starting the inferior
but instead returns to the user. Here's the output (for gdb built from
source dated 2009 oct 20, but the same thing happens with a gdb from a
few days ago):
GNU gdb (GDB) 7.0.50.20091019-cvs
Copyright (C) 2009 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "i686-pc-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from test/_yabs/test16,cpu=i686,debug,gcc=4.3.4,os=Linux,osv=2.6.30-1-686.exe...done.
0xb7fc3850 in ?? () from /lib/ld-linux.so.2
(gdb) break main
Breakpoint 1 at 0x8048465: file test16.c, line 13.
(gdb) run
The program being debugged has been started already.
Start it from the beginning? (y or n) y
Starting program: test/_yabs/test16,cpu=i686,debug,gcc=4.3.4,os=Linux,osv=2.6.30-1-686.exe
0xb7fa7b51 in _dl_debug_state () from /lib/ld-linux.so.2
(gdb)
With earlier builds of gdb, gdb steps off the breakpoint at
_dl_debug_state and continues the inferior until it hits the breakpoint
at main().
I'm running gdb with the following startup script:
set remote hardware-breakpoint-limit -1
set remote hardware-breakpoint-packet off
set remote software-breakpoint-packet on
target extended-remote localhost:3000
If anyone has any ideas what might be wrong, or where to look for more
information, i'd be very grateful.
Here's the protocol log, with a few diagnostics from the UndoDB remote
server:
GNU gdb (GDB) 7.0.50.20091019-cvs
Copyright (C) 2009 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "i686-pc-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from test/_yabs/test16,cpu=i686,debug,gcc=4.3.4,os=Linux,osv=2.6.30-1-686.exe...done.
Sending packet: $qSupported:multiprocess+#c6...Ack
Packet received: ReverseContinue+;ReverseStep+;multiprocess-
Packet qSupported (supported-packets) is supported
Sending packet: $!#21...Ack
Packet received: OK
Sending packet: $Hg0#df...Ack
Packet received: E10
Sending packet: $?#3f... 253486 gdb7/gdbserial.c:329:gdbserial_send_waitpid_response2 [10807:10807]: sending: S05
Ack
Packet received: S05
Sending packet: $Hc-1#09...Ack
Packet received: E05
Sending packet: $qC#b4...Ack
Packet received:
Sending packet: $qAttached#8f...Ack
Packet received: 0
Packet qAttached (query-attached) is supported
Sending packet: $qOffsets#4b...Ack
Packet received:
Sending packet: $g#67...Ack
Packet received: 00000000000000000000000000000000e0719fbf0000000000000000000000005038f1b792020000730000007b0000007b0000007b0000000000000000000000
Sending packet: $m8049658,4#45...Ack
Packet received: 00000000
Sending packet: $m8049658,4#45...Ack
Packet received: 00000000
Sending packet: $m8049658,4#45...Ack
Packet received: 00000000
Sending packet: $qSymbol::#5b...Ack
Packet received:
Packet qSymbol (symbol-lookup) is NOT supported
Sending packet: $mb7f13850,1#ca...Ack
Packet received: 89
Sending packet: $mb7f13850,8#d1...Ack
Packet received: 89e0e82902000089
Sending packet: $mb7f13850,7#d0...Ack
Packet received: 89e0e829020000
0xb7f13850 in ?? () from /lib/ld-linux.so.2
(gdb) break main
Sending packet: $m8048454,1#3b...Ack
Packet received: 8d
Sending packet: $m8048454,1#3b...Ack
Packet received: 8d
Sending packet: $m8048454,1#3b...Ack
Packet received: 8d
Sending packet: $m8048454,1#3b...Ack
Packet received: 8d
Sending packet: $m8048454,e#6f...Ack
Packet received: 8d4c240483e4f0ff71fc5589e551
Sending packet: $m804845e,1#6c...Ack
Packet received: 55
Sending packet: $m804845f,1#6d...Ack
Packet received: 89
Sending packet: $m8048460,5#3c...Ack
Packet received: e55183ec24
Sending packet: $m8048460,5#3c...Ack
Packet received: e55183ec24
Sending packet: $m804845f,1#6d...Ack
Packet received: 89
Sending packet: $m8048460,1#38...Ack
Packet received: e5
Sending packet: $m8048461,1#39...Ack
Packet received: 51
Sending packet: $m8048461,1#39...Ack
Packet received: 51
Sending packet: $m8048462,1#3a...Ack
Packet received: 83
Sending packet: $m8048462,1#3a...Ack
Packet received: 83
Sending packet: $m8048454,1#3b...Ack
Packet received: 8d
Sending packet: $m8048465,1#3d...Ack
Packet received: c7
Breakpoint 1 at 0x8048465: file test/test16.c, line 13.
(gdb) run
The program being debugged has been started already.
Start it from the beginning? (y or n) y
Sending packet: $vKill;a410#33... 255797 undodb.c:3809:undodb_swaitpid [10807:10807]: unexpected waitpid status from rchild on startup: pid=10811, WIFSIGNALED, sig= 9 (SIGKILL)
Ack
Packet received: OK
Packet vKill (kill) is supported
Sending packet: $?#3f... 255865 gdb7/gdbserial.c:329:gdbserial_send_waitpid_response2 [10807:10807]: sending: X09
Ack
Packet received: X09
Starting program: test/_yabs/test16,cpu=i686,debug,gcc=4.3.4,os=Linux,osv=2.6.30-1-686.exe
Sending packet: $vRun;#e6...Ack
255951 gdb7/gdbserial.c:329:gdbserial_send_waitpid_response2 [10807:10807]: sending: S05
Packet received: S05
Packet vRun (run) is supported
Sending packet: $qC#b4...Ack
Packet received:
Sending packet: $qOffsets#4b...Ack
Packet received:
Sending packet: $Hg0#df...Ack
Packet received: E10
Sending packet: $g#67...Ack
Packet received: 00000000000000000000000000000000e085bebf0000000000000000000000005038f6b792020000730000007b0000007b0000007b0000000000000000000000
Sending packet: $m8049658,4#45...Ack
Packet received: 00000000
Sending packet: $m8049658,4#45...Ack
Packet received: 00000000
Sending packet: $m8049658,4#45...Ack
Packet received: 00000000
Sending packet: $mb7f63850,1#cf...Ack
Packet received: 89
Sending packet: $mb7f63850,8#d6...Ack
Packet received: 89e0e82902000089
Sending packet: $mb7f63850,7#d5...Ack
Packet received: 89e0e829020000
Sending packet: $m8048454,1#3b...Ack
Packet received: 8d
Sending packet: $m8048454,1#3b...Ack
Packet received: 8d
Sending packet: $m8048454,1#3b...Ack
Packet received: 8d
Sending packet: $m8048454,1#3b...Ack
Packet received: 8d
Sending packet: $m8048454,e#6f...Ack
Packet received: 8d4c240483e4f0ff71fc5589e551
Sending packet: $m804845e,1#6c...Ack
Packet received: 55
Sending packet: $m804845f,1#6d...Ack
Packet received: 89
Sending packet: $m8048460,5#3c...Ack
Packet received: e55183ec24
Sending packet: $m8048460,5#3c...Ack
Packet received: e55183ec24
Sending packet: $m804845f,1#6d...Ack
Packet received: 89
Sending packet: $m8048460,1#38...Ack
Packet received: e5
Sending packet: $m8048461,1#39...Ack
Packet received: 51
Sending packet: $m8048461,1#39...Ack
Packet received: 51
Sending packet: $m8048462,1#3a...Ack
Packet received: 83
Sending packet: $m8048462,1#3a...Ack
Packet received: 83
Sending packet: $m8048454,1#3b...Ack
Packet received: 8d
Sending packet: $mb7f63850,1#cf...Ack
Packet received: 89
Sending packet: $mb7f63850,8#d6...Ack
Packet received: 89e0e82902000089
Sending packet: $mb7f63850,7#d5...Ack
Packet received: 89e0e829020000
Sending packet: $m8048454,1#3b...Ack
Packet received: 8d
Sending packet: $m8048454,1#3b...Ack
Packet received: 8d
Sending packet: $m8048454,1#3b...Ack
Packet received: 8d
Sending packet: $m8048454,1#3b...Ack
Packet received: 8d
Sending packet: $m8048454,e#6f...Ack
Packet received: 8d4c240483e4f0ff71fc5589e551
Sending packet: $m804845e,1#6c...Ack
Packet received: 55
Sending packet: $m804845f,1#6d...Ack
Packet received: 89
Sending packet: $m8048460,5#3c...Ack
Packet received: e55183ec24
Sending packet: $m8048460,5#3c...Ack
Packet received: e55183ec24
Sending packet: $m804845f,1#6d...Ack
Packet received: 89
Sending packet: $m8048460,1#38...Ack
Packet received: e5
Sending packet: $m8048461,1#39...Ack
Packet received: 51
Sending packet: $m8048461,1#39...Ack
Packet received: 51
Sending packet: $m8048462,1#3a...Ack
Packet received: 83
Sending packet: $m8048462,1#3a...Ack
Packet received: 83
Sending packet: $m8048454,1#3b...Ack
Packet received: 8d
Sending packet: $Z0,8048465,1#86... 259097 gdb7/js_undodb_server.c:817:command_loop [10807:10807]: command=Z
259097 gdb7/js_undodb_server.c:832:command_loop [10807:10807]: Z0: set software breakpoint address=0x8048465 length=1
Ack
Packet received: OK
Sending packet: $Z0,b7f71b50,1#41... 259165 gdb7/js_undodb_server.c:817:command_loop [10807:10807]: command=Z
259166 gdb7/js_undodb_server.c:832:command_loop [10807:10807]: Z0: set software breakpoint address=0xb7f71b50 length=1
Ack
Packet received: OK
Sending packet: $vCont?#49...Ack
Packet received:
Packet vCont (verbose-resume) is NOT supported
Sending packet: $Hc0#db...Ack
Packet received: E05
Sending packet: $c#63... 259372 gdb7/js_undodb_server.c:441:command_loop [10807:10807]: doing PTRACE_CONT
259373 gdb7/js_undodb_server.c:450:command_loop [10807:10807]: undodb_waitpid() returned: pid=10812, WIFSTOPPED, sig= 5 (SIGTRAP)
259373 gdb7/gdbserial.c:329:gdbserial_send_waitpid_response2 [10807:10807]: sending: S05
Ack
Packet received: S05
Sending packet: $g#67...Ack
Packet received: 000000005806f8b7d430f6b7f4fff7b7b483bebf7085bebf7006f8b75806f8b7511bf7b746020000730000007b0000007b0000007b0000000000000000000000
Sending packet: $z0,8048465,1#a6... 259509 gdb7/js_undodb_server.c:817:command_loop [10807:10807]: command=z
259510 gdb7/js_undodb_server.c:832:command_loop [10807:10807]: z0: clear software breakpoint address=0x8048465 length=1
Ack
Packet received: OK
Sending packet: $z0,b7f71b50,1#61... 259578 gdb7/js_undodb_server.c:817:command_loop [10807:10807]: command=z
259578 gdb7/js_undodb_server.c:832:command_loop [10807:10807]: z0: clear software breakpoint address=0xb7f71b50 length=1
Ack
Packet received: OK
Sending packet: $mb7f71b51,1#f9...Ack
Packet received: 89
0xb7f71b51 in _dl_debug_state () from /lib/ld-linux.so.2
(gdb) make.py:1449:commands2: e= <type 'exceptions.AssertionError'>
Traceback (most recent call last):
File "./make.py", line 1440, in commands2
ret = commands( context)
File "./make.py", line 2343, in commands
assert ur.hit_breakpoint
AssertionError
frontend_gdbmacro.py:1534:terminate: killing unterminated frontend.
Quit
(gdb) q
A debugging session is active.
Inferior 1 [Remote target] will be killed.
Quit anyway? (y or n) y
Sending packet: $vKill;a410#33...Quitting: Remote connection closed
yabs 0: *** target failed: ./test41,remote=1,gdb=/home/jules/gdb_cvs,,20-oct-2009
yabs 0: *** error was:
yabs 0: ../../home/jules/yabs/yabs.py:1712:_command_gettext(): command2 = command( context)
yabs 0: ./make.py:1440:commands2(): ret = commands( context)
yabs 0: ./make.py:2343:commands(): assert ur.hit_breakpoint
yabs 0: AssertionError
yabs 0: *** target failed: ./tests_nr41,remote=1,gdb=/home/jules/gdb_cvs,,20-oct-2009
yabs summary: yabs 0: *** target failed: ./tests_nr41,remote=1,gdb=/home/jules/gdb_cvs,,20-oct-2009
yabs summary: yabs 1: *** target failed: ./test41,remote=1,gdb=/home/jules/gdb_cvs,,20-oct-2009
And here's the log with a slightly older build of gdb:
GNU gdb (GDB) 7.0.50.20091018-cvs
Copyright (C) 2009 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "i686-pc-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from test/_yabs/test16,cpu=i686,debug,gcc=4.3.4,os=Linux,osv=2.6.30-1-686.exe...done.
Sending packet: $qSupported:multiprocess+#c6...Ack
Packet received: ReverseContinue+;ReverseStep+;multiprocess-
Packet qSupported (supported-packets) is supported
Sending packet: $!#21...Ack
Packet received: OK
Sending packet: $Hg0#df...Ack
Packet received: E10
Sending packet: $?#3f... 1021056 gdb7/gdbserial.c:329:gdbserial_send_waitpid_response2 [17884:17884]: sending: S05
Ack
Packet received: S05
Sending packet: $Hc-1#09...Ack
Packet received: E05
Sending packet: $qC#b4...Ack
Packet received:
Sending packet: $qAttached#8f...Ack
Packet received: 0
Packet qAttached (query-attached) is supported
Sending packet: $qOffsets#4b...Ack
Packet received:
Sending packet: $g#67...Ack
Packet received: 00000000000000000000000000000000c092a3bf00000000000000000000000050d808b892020000730000007b0000007b0000007b0000000000000000000000
Sending packet: $m8049658,4#45...Ack
Packet received: 00000000
Sending packet: $m8049658,4#45...Ack
Packet received: 00000000
Sending packet: $m8049658,4#45...Ack
Packet received: 00000000
Sending packet: $qSymbol::#5b...Ack
Packet received:
Packet qSymbol (symbol-lookup) is NOT supported
Sending packet: $mb808d850,1#cd...Ack
Packet received: 89
Sending packet: $mb808d850,8#d4...Ack
Packet received: 89e0e82902000089
Sending packet: $mb808d850,7#d3...Ack
Packet received: 89e0e829020000
0xb808d850 in ?? () from /lib/ld-linux.so.2
(gdb) break main
Sending packet: $m8048454,1#3b...Ack
Packet received: 8d
Sending packet: $m8048454,1#3b...Ack
Packet received: 8d
Sending packet: $m8048454,1#3b...Ack
Packet received: 8d
Sending packet: $m8048454,1#3b...Ack
Packet received: 8d
Sending packet: $m8048454,e#6f...Ack
Packet received: 8d4c240483e4f0ff71fc5589e551
Sending packet: $m804845e,1#6c...Ack
Packet received: 55
Sending packet: $m804845f,1#6d...Ack
Packet received: 89
Sending packet: $m8048460,5#3c...Ack
Packet received: e55183ec24
Sending packet: $m8048460,5#3c...Ack
Packet received: e55183ec24
Sending packet: $m804845f,1#6d...Ack
Packet received: 89
Sending packet: $m8048460,1#38...Ack
Packet received: e5
Sending packet: $m8048461,1#39...Ack
Packet received: 51
Sending packet: $m8048461,1#39...Ack
Packet received: 51
Sending packet: $m8048462,1#3a...Ack
Packet received: 83
Sending packet: $m8048462,1#3a...Ack
Packet received: 83
Sending packet: $m8048454,1#3b...Ack
Packet received: 8d
Sending packet: $m8048465,1#3d...Ack
Packet received: c7
Breakpoint 1 at 0x8048465: file test/test16.c, line 13.
(gdb) run
The program being debugged has been started already.
Start it from the beginning? (y or n) y
Sending packet: $vKill;a410#33... 1023360 undodb.c:3809:undodb_swaitpid [17884:17884]: unexpected waitpid status from rchild on startup: pid=17889, WIFSIGNALED, sig= 9 (SIGKILL)
Ack
Packet received: OK
Packet vKill (kill) is supported
Sending packet: $?#3f... 1023426 gdb7/gdbserial.c:329:gdbserial_send_waitpid_response2 [17884:17884]: sending: X09
Ack
Packet received: X09
Starting program: test/_yabs/test16,cpu=i686,debug,gcc=4.3.4,os=Linux,osv=2.6.30-1-686.exe
Sending packet: $vRun;#e6...Ack
1023536 gdb7/gdbserial.c:329:gdbserial_send_waitpid_response2 [17884:17884]: sending: S05
Packet received: S05
Packet vRun (run) is supported
Sending packet: $qC#b4...Ack
Packet received:
Sending packet: $qOffsets#4b...Ack
Packet received:
Sending packet: $Hg0#df...Ack
Packet received: E10
Sending packet: $g#67...Ack
Packet received: 00000000000000000000000000000000d0d2b5bf00000000000000000000000050e8eeb792020000730000007b0000007b0000007b0000000000000000000000
Sending packet: $m8049658,4#45...Ack
Packet received: 00000000
Sending packet: $m8049658,4#45...Ack
Packet received: 00000000
Sending packet: $m8049658,4#45...Ack
Packet received: 00000000
Sending packet: $m8048454,1#3b...Ack
Packet received: 8d
Sending packet: $m8048454,1#3b...Ack
Packet received: 8d
Sending packet: $m8048454,1#3b...Ack
Packet received: 8d
Sending packet: $m8048454,1#3b...Ack
Packet received: 8d
Sending packet: $m8048454,e#6f...Ack
Packet received: 8d4c240483e4f0ff71fc5589e551
Sending packet: $m804845e,1#6c...Ack
Packet received: 55
Sending packet: $m804845f,1#6d...Ack
Packet received: 89
Sending packet: $m8048460,5#3c...Ack
Packet received: e55183ec24
Sending packet: $m8048460,5#3c...Ack
Packet received: e55183ec24
Sending packet: $m804845f,1#6d...Ack
Packet received: 89
Sending packet: $m8048460,1#38...Ack
Packet received: e5
Sending packet: $m8048461,1#39...Ack
Packet received: 51
Sending packet: $m8048461,1#39...Ack
Packet received: 51
Sending packet: $m8048462,1#3a...Ack
Packet received: 83
Sending packet: $m8048462,1#3a...Ack
Packet received: 83
Sending packet: $m8048454,1#3b...Ack
Packet received: 8d
Sending packet: $m8048454,1#3b...Ack
Packet received: 8d
Sending packet: $m8048454,1#3b...Ack
Packet received: 8d
Sending packet: $m8048454,1#3b...Ack
Packet received: 8d
Sending packet: $m8048454,1#3b...Ack
Packet received: 8d
Sending packet: $m8048454,e#6f...Ack
Packet received: 8d4c240483e4f0ff71fc5589e551
Sending packet: $m804845e,1#6c...Ack
Packet received: 55
Sending packet: $m804845f,1#6d...Ack
Packet received: 89
Sending packet: $m8048460,5#3c...Ack
Packet received: e55183ec24
Sending packet: $m8048460,5#3c...Ack
Packet received: e55183ec24
Sending packet: $m804845f,1#6d...Ack
Packet received: 89
Sending packet: $m8048460,1#38...Ack
Packet received: e5
Sending packet: $m8048461,1#39...Ack
Packet received: 51
Sending packet: $m8048461,1#39...Ack
Packet received: 51
Sending packet: $m8048462,1#3a...Ack
Packet received: 83
Sending packet: $m8048462,1#3a...Ack
Packet received: 83
Sending packet: $m8048454,1#3b...Ack
Packet received: 8d
Sending packet: $Z0,8048465,1#86... 1026259 gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=Z
1026259 gdb7/js_undodb_server.c:832:command_loop [17884:17884]: Z0: set software breakpoint address=0x8048465 length=1
Ack
Packet received: OK
Sending packet: $Z0,b7efcb50,1#a1... 1026328 gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=Z
1026328 gdb7/js_undodb_server.c:832:command_loop [17884:17884]: Z0: set software breakpoint address=0xb7efcb50 length=1
Ack
Packet received: OK
Sending packet: $vCont?#49...Ack
Packet received:
Packet vCont (verbose-resume) is NOT supported
Sending packet: $Hc0#db...Ack
Packet received: E05
Sending packet: $c#63... 1026534 gdb7/js_undodb_server.c:441:command_loop [17884:17884]: doing PTRACE_CONT
1026534 gdb7/js_undodb_server.c:450:command_loop [17884:17884]: undodb_waitpid() returned: pid=17890, WIFSTOPPED, sig= 5 (SIGTRAP)
1026534 gdb7/gdbserial.c:329:gdbserial_send_waitpid_response2 [17884:17884]: sending: S05
Ack
Packet received: S05
Sending packet: $g#67...Ack
Packet received: 0000000058b6f0b7d4e0eeb7f4aff0b7a4d0b5bf60d2b5bf70b6f0b758b6f0b751cbefb746020000730000007b0000007b0000007b0000000000000000000000
Sending packet: $P8=50cbefb7#53... 1026672 gdb7/js_undodb_server.c:783:command_loop [17884:17884]: have read value=0xb7efcb50
Ack
Packet received: OK
Packet P (set-register) is supported
Sending packet: $P29=ffffffff#28... 1026740 gdb7/js_undodb_server.c:783:command_loop [17884:17884]: have read value=0xffffffff
Ack
Packet received: OK
Sending packet: $m8049658,4#45...Ack
Packet received: 58b6f0b7
Sending packet: $mb7f0b65c,4#2c...Ack
Packet received: 70b6f0b7
Sending packet: $mb7f0b670,14#2c...Ack
Packet received: 00000000f77cf0b70c960408a0b2f0b700000000
Sending packet: $mb7f0b2a0,14#52...Ack
Packet received: 00e0eeb71481040828aff0b758b9f0b770b6f0b7
Sending packet: $m8048114,4#37...Ack
Packet received: 2f6c6962
Sending packet: $m8048118,4#3b...Ack
Packet received: 2f6c642d
Sending packet: $m804811c,4#66...Ack
Packet received: 6c696e75
Sending packet: $m8048120,4#34...Ack
Packet received: 782e736f
Sending packet: $m8048124,4#38...Ack
Packet received: 2e320000
Sending packet: $mb7f0b958,14#35...Ack
Packet received: 00f0eeb7f77cf0b72cd3eeb700000000a0b2f0b7
Sending packet: $mb7f07cf4,4#30...Ack
Packet received: 20090a00
Sending packet: $mb7f0b658,4#01...Ack
Packet received: 01000000
Sending packet: $z0,8048465,1#a6... 1027636 gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=z
1027636 gdb7/js_undodb_server.c:832:command_loop [17884:17884]: z0: clear software breakpoint address=0x8048465 length=1
Ack
Packet received: OK
Sending packet: $z0,b7efcb50,1#c1... 1027703 gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=z
1027703 gdb7/js_undodb_server.c:832:command_loop [17884:17884]: z0: clear software breakpoint address=0xb7efcb50 length=1
Ack
Packet received: OK
Sending packet: $Hc0#db...Ack
Packet received: E05
Sending packet: $s#73... 1027840 gdb7/js_undodb_server.c:441:command_loop [17884:17884]: doing PTRACE_SINGLESTEP
1027840 gdb7/js_undodb_server.c:450:command_loop [17884:17884]: undodb_waitpid() returned: pid=17890, WIFSTOPPED, sig= 5 (SIGTRAP)
1027840 gdb7/gdbserial.c:329:gdbserial_send_waitpid_response2 [17884:17884]: sending: S05
Ack
Packet received: S05
Sending packet: $g#67...Ack
Packet received: 0000000058b6f0b7d4e0eeb7f4aff0b7a0d0b5bf60d2b5bf70b6f0b758b6f0b751cbefb746020000730000007b0000007b0000007b0000000000000000000000
Sending packet: $Z0,8048465,1#86... 1027978 gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=Z
1027979 gdb7/js_undodb_server.c:832:command_loop [17884:17884]: Z0: set software breakpoint address=0x8048465 length=1
Ack
Packet received: OK
Sending packet: $Z0,b7efcb50,1#a1... 1028047 gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=Z
1028047 gdb7/js_undodb_server.c:832:command_loop [17884:17884]: Z0: set software breakpoint address=0xb7efcb50 length=1
Ack
Packet received: OK
Sending packet: $Hc0#db...Ack
Packet received: E05
Sending packet: $c#63... 1028184 gdb7/js_undodb_server.c:441:command_loop [17884:17884]: doing PTRACE_CONT
Ack
1028402 gdb7/js_undodb_server.c:450:command_loop [17884:17884]: undodb_waitpid() returned: pid=17890, WIFSTOPPED, sig= 5 (SIGTRAP)
1028402 gdb7/gdbserial.c:329:gdbserial_send_waitpid_response2 [17884:17884]: sending: S05
Packet received: S05
Sending packet: $g#67...Ack
Packet received: 58b6f0b758b6f0b700000000f4aff0b700d0b5bf60d2b5bf000000000100000051cbefb746020000730000007b0000007b0000007b0000000000000033000000
Sending packet: $P8=50cbefb7#53... 1028466 gdb7/js_undodb_server.c:783:command_loop [17884:17884]: have read value=0xb7efcb50
Ack
Packet received: OK
Sending packet: $P29=ffffffff#28... 1028535 gdb7/js_undodb_server.c:783:command_loop [17884:17884]: have read value=0xffffffff
Ack
Packet received: OK
Sending packet: $m8049658,4#45...Ack
Packet received: 58b6f0b7
Sending packet: $mb7f0b65c,4#2c...Ack
Packet received: 70b6f0b7
Sending packet: $mb7f0b670,14#2c...Ack
Packet received: 00000000f77cf0b70c96040858b9f0b700000000
Sending packet: $mb7f0b958,14#35...Ack
Packet received: 00f0eeb7f77cf0b72cd3eeb7b8c8eeb770b6f0b7
Sending packet: $mb7f07cf4,4#30...Ack
Packet received: 20090a00
Sending packet: $mb7eec8b8,14#96...Ack
Packet received: 0000e1b738c8eeb7a012ecb740cceeb758b9f0b7
Sending packet: $mb7eec838,4#36...Ack
Packet received: 2f686f6d
Sending packet: $mb7eec83c,4#61...Ack
Packet received: 652f6a75
Sending packet: $mb7eec840,4#2f...Ack
Packet received: 6c65732f
Sending packet: $mb7eec844,4#33...Ack
Packet received: 756e646f
Sending packet: $mb7eec848,4#37...Ack
Packet received: 2d776f72
Sending packet: $mb7eec84c,4#62...Ack
Packet received: 6b2f6772
Sending packet: $mb7eec850,4#30...Ack
Packet received: 65676a75
Sending packet: $mb7eec854,4#34...Ack
Packet received: 6c65732f
Sending packet: $mb7eec858,4#38...Ack
Packet received: 6264622f
Sending packet: $mb7eec85c,4#63...Ack
Packet received: 5f796162
Sending packet: $mb7eec860,4#31...Ack
Packet received: 732f7072
Sending packet: $mb7eec864,4#35...Ack
Packet received: 656c6f61
Sending packet: $mb7eec868,4#39...Ack
Packet received: 64312c2d
Sending packet: $mb7eec86c,4#64...Ack
Packet received: 666e6f2d
Sending packet: $mb7eec870,4#32...Ack
Packet received: 73746163
Sending packet: $mb7eec874,4#36...Ack
Packet received: 6b2d7072
Sending packet: $mb7eec878,4#3a...Ack
Packet received: 6f746563
Sending packet: $mb7eec87c,4#65...Ack
Packet received: 746f722c
Sending packet: $mb7eec880,4#33...Ack
Packet received: 6370753d
Sending packet: $mb7eec884,4#37...Ack
Packet received: 69363836
Sending packet: $mb7eec888,4#3b...Ack
Packet received: 2c646562
Sending packet: $mb7eec88c,4#66...Ack
Packet received: 75672c67
Sending packet: $mb7eec890,4#34...Ack
Packet received: 63633d34
Sending packet: $mb7eec894,4#38...Ack
Packet received: 2e332e34
Sending packet: $mb7eec898,4#3c...Ack
Packet received: 2c6f733d
Sending packet: $mb7eec89c,4#67...Ack
Packet received: 4c696e75
Sending packet: $mb7eec8a0,4#5c...Ack
Packet received: 782c6f73
Sending packet: $mb7eec8a4,4#60...Ack
Packet received: 763d322e
Sending packet: $mb7eec8a8,4#64...Ack
Packet received: 362e3330
Sending packet: $mb7eec8ac,4#8f...Ack
Packet received: 2d312d36
Sending packet: $mb7eec8b0,4#5d...Ack
Packet received: 38362e73
Sending packet: $mb7eec8b4,4#61...Ack
Packet received: 6f000000
Sending packet: $mb7eecc40,14#8b...Ack
Packet received: 00a0c9b720cceeb77c4ddfb70090c9b7b8c8eeb7
Sending packet: $mb7eecc20,4#58...Ack
Packet received: 2f6c6962
Sending packet: $mb7eecc24,4#5c...Ack
Packet received: 2f693638
Sending packet: $mb7eecc28,4#60...Ack
Packet received: 362f636d
Sending packet: $mb7eecc2c,4#8b...Ack
Packet received: 6f762f6c
Sending packet: $mb7eecc30,4#59...Ack
Packet received: 6962632e
Sending packet: $mb7eecc34,4#5d...Ack
Packet received: 736f2e36
Sending packet: $mb7eecc38,4#61...Ack
Packet received: 00000000
Sending packet: $mb7c99000,14#fc...Ack
Packet received: 0050c9b7d0ceeeb7d07ec9b7b092c9b740cceeb7
Sending packet: $mb7eeced0,4#8c...Ack
Packet received: 2f6c6962
Sending packet: $mb7eeced4,4#90...Ack
Packet received: 2f693638
Sending packet: $mb7eeced8,4#94...Ack
Packet received: 362f636d
Sending packet: $mb7eecedc,4#bf...Ack
Packet received: 6f762f6c
Sending packet: $mb7eecee0,4#8d...Ack
Packet received: 6962646c
Sending packet: $mb7eecee4,4#91...Ack
Packet received: 2e736f2e
Sending packet: $mb7eecee8,4#95...Ack
Packet received: 32000000
Sending packet: $mb7c992b0,14#30...Ack
Packet received: 00f0c6b79092c9b7f03ec9b7a0b2f0b70090c9b7
Sending packet: $mb7c99290,4#d6...Ack
Packet received: 2f6c6962
Sending packet: $mb7c99294,4#da...Ack
Packet received: 2f693638
Sending packet: $mb7c99298,4#de...Ack
Packet received: 362f636d
Sending packet: $mb7c9929c,4#09...Ack
Packet received: 6f762f6c
Sending packet: $mb7c992a0,4#fe...Ack
Packet received: 69626d2e
Sending packet: $mb7c992a4,4#02...Ack
Packet received: 736f2e36
Sending packet: $mb7c992a8,4#06...Ack
Packet received: 00000000
Sending packet: $mb7f0b2a0,14#52...Ack
Packet received: 00e0eeb71481040828aff0b700000000b092c9b7
Sending packet: $m8048114,4#37...Ack
Packet received: 2f6c6962
Sending packet: $m8048118,4#3b...Ack
Packet received: 2f6c642d
Sending packet: $m804811c,4#66...Ack
Packet received: 6c696e75
Sending packet: $m8048120,4#34...Ack
Packet received: 782e736f
Sending packet: $m8048124,4#38...Ack
Packet received: 2e320000
Sending packet: $mb7f0b658,4#01...Ack
Packet received: 01000000
Sending packet: $m8048454,1#3b...Ack
Packet received: 8d
Sending packet: $m8048454,1#3b...Ack
Packet received: 8d
Sending packet: $m8048454,1#3b...Ack
Packet received: 8d
Sending packet: $m8048454,1#3b...Ack
Packet received: 8d
Sending packet: $m8048454,e#6f...Ack
Packet received: 8d4c240483e4f0ff71fc5589e551
Sending packet: $m804845e,1#6c...Ack
Packet received: 55
Sending packet: $m804845f,1#6d...Ack
Packet received: 89
Sending packet: $m8048460,5#3c...Ack
Packet received: e55183ec24
Sending packet: $m8048460,5#3c...Ack
Packet received: e55183ec24
Sending packet: $m804845f,1#6d...Ack
Packet received: 89
Sending packet: $m8048460,1#38...Ack
Packet received: e5
Sending packet: $m8048461,1#39...Ack
Packet received: 51
Sending packet: $m8048461,1#39...Ack
Packet received: 51
Sending packet: $m8048462,1#3a...Ack
Packet received: 83
Sending packet: $m8048462,1#3a...Ack
Packet received: 83
Sending packet: $m8048454,1#3b...Ack
Packet received: 8d
Sending packet: $z0,8048465,1#a6... 1034661 gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=z
1034661 gdb7/js_undodb_server.c:832:command_loop [17884:17884]: z0: clear software breakpoint address=0x8048465 length=1
Ack
Packet received: OK
Sending packet: $z0,b7efcb50,1#c1... 1042316 gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=z
Ack
1042316 gdb7/js_undodb_server.c:832:command_loop [17884:17884]: z0: clear software breakpoint address=0xb7efcb50 length=1
Packet received: OK
Sending packet: $Hc0#db...Ack
Packet received: E05
Sending packet: $s#73... 1042452 gdb7/js_undodb_server.c:441:command_loop [17884:17884]: doing PTRACE_SINGLESTEP
1042452 gdb7/js_undodb_server.c:450:command_loop [17884:17884]: undodb_waitpid() returned: pid=17890, WIFSTOPPED, sig= 5 (SIGTRAP)
1042452 gdb7/gdbserial.c:329:gdbserial_send_waitpid_response2 [17884:17884]: sending: S05
Ack
Packet received: S05
Sending packet: $g#67...Ack
Packet received: 58b6f0b758b6f0b700000000f4aff0b7fccfb5bf60d2b5bf000000000100000051cbefb746020000730000007b0000007b0000007b0000000000000033000000
Sending packet: $Z0,8048465,1#86... 1042589 gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=Z
1042589 gdb7/js_undodb_server.c:832:command_loop [17884:17884]: Z0: set software breakpoint address=0x8048465 length=1
Ack
Packet received: OK
Sending packet: $Z0,b7efcb50,1#a1... 1042658 gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=Z
1042658 gdb7/js_undodb_server.c:832:command_loop [17884:17884]: Z0: set software breakpoint address=0xb7efcb50 length=1
Ack
Packet received: OK
Sending packet: $Hc0#db...Ack
Packet received: E05
Sending packet: $c#63... 1042796 gdb7/js_undodb_server.c:441:command_loop [17884:17884]: doing PTRACE_CONT
Ack
1042802 debug.c:231:debug_setstate [17890:17890]: have set state to 0x5fe5d9d0
1042825 gdb7/js_undodb_server.c:450:command_loop [17884:17884]: undodb_waitpid() returned: pid=17890, WIFSTOPPED, sig= 5 (SIGTRAP)
1042825 gdb7/gdbserial.c:329:gdbserial_send_waitpid_response2 [17884:17884]: sending: S05
Packet received: S05
Sending packet: $g#67...Ack
Packet received: 58b6f0b758b6f0b700000000f4aff0b77cc9b5bfe8c9b5bfeccab5bf0000000051cbefb746020000730000007b0000007b0000007b0000000000000033000000
Sending packet: $P8=50cbefb7#53... 1042933 gdb7/js_undodb_server.c:783:command_loop [17884:17884]: have read value=0xb7efcb50
Ack
Packet received: OK
Sending packet: $P29=ffffffff#28... 1043002 gdb7/js_undodb_server.c:783:command_loop [17884:17884]: have read value=0xffffffff
Ack
Packet received: OK
Sending packet: $m8049658,4#45...Ack
Packet received: 58b6f0b7
Sending packet: $mb7f0b65c,4#2c...Ack
Packet received: 70b6f0b7
Sending packet: $mb7f0b670,14#2c...Ack
Packet received: 00000000f77cf0b70c96040858b9f0b700000000
Sending packet: $mb7f0b958,14#35...Ack
Packet received: 00f0eeb7f77cf0b72cd3eeb7b8c8eeb770b6f0b7
Sending packet: $mb7f07cf4,4#30...Ack
Packet received: 20090a00
Sending packet: $mb7eec8b8,14#96...Ack
Packet received: 0000e1b738c8eeb7a012ecb740cceeb758b9f0b7
Sending packet: $mb7eec838,4#36...Ack
Packet received: 2f686f6d
Sending packet: $mb7eec83c,4#61...Ack
Packet received: 652f6a75
Sending packet: $mb7eec840,4#2f...Ack
Packet received: 6c65732f
Sending packet: $mb7eec844,4#33...Ack
Packet received: 756e646f
Sending packet: $mb7eec848,4#37...Ack
Packet received: 2d776f72
Sending packet: $mb7eec84c,4#62...Ack
Packet received: 6b2f6772
Sending packet: $mb7eec850,4#30...Ack
Packet received: 65676a75
Sending packet: $mb7eec854,4#34...Ack
Packet received: 6c65732f
Sending packet: $mb7eec858,4#38...Ack
Packet received: 6264622f
Sending packet: $mb7eec85c,4#63...Ack
Packet received: 5f796162
Sending packet: $mb7eec860,4#31...Ack
Packet received: 732f7072
Sending packet: $mb7eec864,4#35...Ack
Packet received: 656c6f61
Sending packet: $mb7eec868,4#39...Ack
Packet received: 64312c2d
Sending packet: $mb7eec86c,4#64...Ack
Packet received: 666e6f2d
Sending packet: $mb7eec870,4#32...Ack
Packet received: 73746163
Sending packet: $mb7eec874,4#36...Ack
Packet received: 6b2d7072
Sending packet: $mb7eec878,4#3a...Ack
Packet received: 6f746563
Sending packet: $mb7eec87c,4#65...Ack
Packet received: 746f722c
Sending packet: $mb7eec880,4#33...Ack
Packet received: 6370753d
Sending packet: $mb7eec884,4#37...Ack
Packet received: 69363836
Sending packet: $mb7eec888,4#3b...Ack
Packet received: 2c646562
Sending packet: $mb7eec88c,4#66...Ack
Packet received: 75672c67
Sending packet: $mb7eec890,4#34...Ack
Packet received: 63633d34
Sending packet: $mb7eec894,4#38...Ack
Packet received: 2e332e34
Sending packet: $mb7eec898,4#3c...Ack
Packet received: 2c6f733d
Sending packet: $mb7eec89c,4#67...Ack
Packet received: 4c696e75
Sending packet: $mb7eec8a0,4#5c...Ack
Packet received: 782c6f73
Sending packet: $mb7eec8a4,4#60...Ack
Packet received: 763d322e
Sending packet: $mb7eec8a8,4#64...Ack
Packet received: 362e3330
Sending packet: $mb7eec8ac,4#8f...Ack
Packet received: 2d312d36
Sending packet: $mb7eec8b0,4#5d...Ack
Packet received: 38362e73
Sending packet: $mb7eec8b4,4#61...Ack
Packet received: 6f000000
Sending packet: $mb7eecc40,14#8b...Ack
Packet received: 00a0c9b720cceeb77c4ddfb70090c9b7b8c8eeb7
Sending packet: $mb7eecc20,4#58...Ack
Packet received: 2f6c6962
Sending packet: $mb7eecc24,4#5c...Ack
Packet received: 2f693638
Sending packet: $mb7eecc28,4#60...Ack
Packet received: 362f636d
Sending packet: $mb7eecc2c,4#8b...Ack
Packet received: 6f762f6c
Sending packet: $mb7eecc30,4#59...Ack
Packet received: 6962632e
Sending packet: $mb7eecc34,4#5d...Ack
Packet received: 736f2e36
Sending packet: $mb7eecc38,4#61...Ack
Packet received: 00000000
Sending packet: $mb7c99000,14#fc...Ack
Packet received: 0050c9b7d0ceeeb7d07ec9b7b092c9b740cceeb7
Sending packet: $mb7eeced0,4#8c...Ack
Packet received: 2f6c6962
Sending packet: $mb7eeced4,4#90...Ack
Packet received: 2f693638
Sending packet: $mb7eeced8,4#94...Ack
Packet received: 362f636d
Sending packet: $mb7eecedc,4#bf...Ack
Packet received: 6f762f6c
Sending packet: $mb7eecee0,4#8d...Ack
Packet received: 6962646c
Sending packet: $mb7eecee4,4#91...Ack
Packet received: 2e736f2e
Sending packet: $mb7eecee8,4#95...Ack
Packet received: 32000000
Sending packet: $mb7c992b0,14#30...Ack
Packet received: 00f0c6b79092c9b7f03ec9b7a0b2f0b70090c9b7
Sending packet: $mb7c99290,4#d6...Ack
Packet received: 2f6c6962
Sending packet: $mb7c99294,4#da...Ack
Packet received: 2f693638
Sending packet: $mb7c99298,4#de...Ack
Packet received: 362f636d
Sending packet: $mb7c9929c,4#09...Ack
Packet received: 6f762f6c
Sending packet: $mb7c992a0,4#fe...Ack
Packet received: 69626d2e
Sending packet: $mb7c992a4,4#02...Ack
Packet received: 736f2e36
Sending packet: $mb7c992a8,4#06...Ack
Packet received: 00000000
Sending packet: $mb7f0b2a0,14#52...Ack
Packet received: 00e0eeb71481040828aff0b700000000b092c9b7
Sending packet: $m8048114,4#37...Ack
Packet received: 2f6c6962
Sending packet: $m8048118,4#3b...Ack
Packet received: 2f6c642d
Sending packet: $m804811c,4#66...Ack
Packet received: 6c696e75
Sending packet: $m8048120,4#34...Ack
Packet received: 782e736f
Sending packet: $m8048124,4#38...Ack
Packet received: 2e320000
Sending packet: $mb7f0b658,4#01...Ack
Packet received: 01000000
Sending packet: $z0,8048465,1#a6... 9594 gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=z
9594 gdb7/js_undodb_server.c:832:command_loop [17884:17884]: z0: clear software breakpoint address=0x8048465 length=1
Ack
Packet received: OK
Sending packet: $z0,b7efcb50,1#c1... 9663 gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=z
9663 gdb7/js_undodb_server.c:832:command_loop [17884:17884]: z0: clear software breakpoint address=0xb7efcb50 length=1
Ack
Packet received: OK
Sending packet: $Hc0#db...Ack
Packet received: E05
Sending packet: $s#73... 9801 gdb7/js_undodb_server.c:441:command_loop [17884:17884]: doing PTRACE_SINGLESTEP
9801 gdb7/js_undodb_server.c:450:command_loop [17884:17884]: undodb_waitpid() returned: pid=17890, WIFSTOPPED, sig= 5 (SIGTRAP)
9801 gdb7/gdbserial.c:329:gdbserial_send_waitpid_response2 [17884:17884]: sending: S05
Ack
Packet received: S05
Sending packet: $g#67...Ack
Packet received: 58b6f0b758b6f0b700000000f4aff0b778c9b5bfe8c9b5bfeccab5bf0000000051cbefb746020000730000007b0000007b0000007b0000000000000033000000
Sending packet: $Z0,8048465,1#86... 9938 gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=Z
9938 gdb7/js_undodb_server.c:832:command_loop [17884:17884]: Z0: set software breakpoint address=0x8048465 length=1
Ack
Packet received: OK
Sending packet: $Z0,b7efcb50,1#a1... 10007 gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=Z
10007 gdb7/js_undodb_server.c:832:command_loop [17884:17884]: Z0: set software breakpoint address=0xb7efcb50 length=1
Ack
Packet received: OK
Sending packet: $Hc0#db...Ack
Packet received: E05
Sending packet: $c#63... 10144 gdb7/js_undodb_server.c:441:command_loop [17884:17884]: doing PTRACE_CONT
Ack
undodb: license type: demo, user: test user
10578 gdb7/js_undodb_server.c:450:command_loop [17884:17884]: undodb_waitpid() returned: pid=17890, WIFSTOPPED, sig= 5 (SIGTRAP)
10578 gdb7/gdbserial.c:329:gdbserial_send_waitpid_response2 [17884:17884]: sending: S05
Packet received: S05
Sending packet: $g#67...Ack
Packet received: d4d2b5bf50d2b5bf01000000f44fdfb710d2b5bf38d2b5bf10850408a08304086684040882020000730000007b0000007b0000007b0000000000000033000000
Sending packet: $P8=65840408#68... 10646 gdb7/js_undodb_server.c:783:command_loop [17884:17884]: have read value=0x8048465
Ack
Packet received: OK
Sending packet: $P29=ffffffff#28... 10715 gdb7/js_undodb_server.c:783:command_loop [17884:17884]: have read value=0xffffffff
Ack
Packet received: OK
Sending packet: $z0,8048465,1#a6... 10784 gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=z
10784 gdb7/js_undodb_server.c:832:command_loop [17884:17884]: z0: clear software breakpoint address=0x8048465 length=1
Ack
Packet received: OK
Sending packet: $z0,b7efcb50,1#c1... 10853 gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=z
10853 gdb7/js_undodb_server.c:832:command_loop [17884:17884]: z0: clear software breakpoint address=0xb7efcb50 length=1
Ack
Packet received: OK
Sending packet: $m8048465,1#3d...Ack
Packet received: c7
Breakpoint 1, main () at test/test16.c:13
13 for ( i=0; i<10; ++i)
(gdb) undodb-get-n
current "simulated time" is 256
(gdb) step
Sending packet: $Hc0#db...Ack
Packet received: E05
Sending packet: $s#73... 26351 gdb7/js_undodb_server.c:441:command_loop [17884:17884]: doing PTRACE_SINGLESTEP
26352 gdb7/js_undodb_server.c:450:command_loop [17884:17884]: undodb_waitpid() returned: pid=17890, WIFSTOPPED, sig= 5 (SIGTRAP)
26352 gdb7/gdbserial.c:329:gdbserial_send_waitpid_response2 [17884:17884]: sending: S05
Ack
Packet received: S05
Sending packet: $g#67...Ack
Packet received: d4d2b5bf50d2b5bf01000000f44fdfb710d2b5bf38d2b5bf10850408a08304086c84040882020000730000007b0000007b0000007b0000000000000033000000
Sending packet: $Z0,8048465,1#86... 26488 gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=Z
26488 gdb7/js_undodb_server.c:832:command_loop [17884:17884]: Z0: set software breakpoint address=0x8048465 length=1
Ack
Packet received: OK
Sending packet: $Z0,b7efcb50,1#a1... 26558 gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=Z
26558 gdb7/js_undodb_server.c:832:command_loop [17884:17884]: Z0: set software breakpoint address=0xb7efcb50 length=1
Ack
Packet received: OK
Sending packet: $Z0,b7cc51b0,1#6a... 26626 gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=Z
26626 gdb7/js_undodb_server.c:832:command_loop [17884:17884]: Z0: set software breakpoint address=0xb7cc51b0 length=1
Ack
Packet received: OK
Sending packet: $Hc0#db...Ack
Packet received: E05
Sending packet: $s#73... 26763 gdb7/js_undodb_server.c:441:command_loop [17884:17884]: doing PTRACE_SINGLESTEP
26765 gdb7/js_undodb_server.c:450:command_loop [17884:17884]: undodb_waitpid() returned: pid=17890, WIFSTOPPED, sig= 5 (SIGTRAP)
26765 gdb7/gdbserial.c:329:gdbserial_send_waitpid_response2 [17884:17884]: sending: S05
Ack
Packet received: S05
Sending packet: $g#67...Ack
Packet received: d4d2b5bf50d2b5bf01000000f44fdfb710d2b5bf38d2b5bf10850408a08304088f84040882020000730000007b0000007b0000007b0000000000000033000000
Sending packet: $m804848f,1#70...Ack
Packet received: 83
Sending packet: $s#73... 26970 gdb7/js_undodb_server.c:441:command_loop [17884:17884]: doing PTRACE_SINGLESTEP
Ack
26971 gdb7/js_undodb_server.c:450:command_loop [17884:17884]: undodb_waitpid() returned: pid=17890, WIFSTOPPED, sig= 5 (SIGTRAP)
26972 gdb7/gdbserial.c:329:gdbserial_send_waitpid_response2 [17884:17884]: sending: S05
Packet received: S05
Sending packet: $g#67...Ack
Packet received: d4d2b5bf50d2b5bf01000000f44fdfb710d2b5bf38d2b5bf10850408a08304089384040893020000730000007b0000007b0000007b0000000000000033000000
Sending packet: $s#73... 27108 gdb7/js_undodb_server.c:441:command_loop [17884:17884]: doing PTRACE_SINGLESTEP
27109 gdb7/js_undodb_server.c:450:command_loop [17884:17884]: undodb_waitpid() returned: pid=17890, WIFSTOPPED, sig= 5 (SIGTRAP)
27109 gdb7/gdbserial.c:329:gdbserial_send_waitpid_response2 [17884:17884]: sending: S05
Ack
Packet received: S05
Sending packet: $g#67...Ack
Packet received: d4d2b5bf50d2b5bf01000000f44fdfb710d2b5bf38d2b5bf10850408a08304086e84040893020000730000007b0000007b0000007b0000000000000033000000
Sending packet: $m804846e,1#6d...Ack
Packet received: 8b
Sending packet: $z0,8048465,1#a6... 27314 gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=z
27314 gdb7/js_undodb_server.c:832:command_loop [17884:17884]: z0: clear software breakpoint address=0x8048465 length=1
Ack
Packet received: OK
Sending packet: $z0,b7efcb50,1#c1... 27382 gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=z
27382 gdb7/js_undodb_server.c:832:command_loop [17884:17884]: z0: clear software breakpoint address=0xb7efcb50 length=1
Ack
Packet received: OK
Sending packet: $z0,b7cc51b0,1#8a... 27451 gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=z
Ack
27451 gdb7/js_undodb_server.c:832:command_loop [17884:17884]: z0: clear software breakpoint address=0xb7cc51b0 length=1
Packet received: OK
15 fprintf( stderr, "test16.c: i=%i\n", i);
(gdb) info register eip
eip 0x804846e 0x804846e <main+26>
(gdb) undodb-set-bookmark
Bookmark 0
(gdb) backtrace
#0 main () at test/test16.c:15
(gdb) [ id=0 function='main' filename='test/test16.c' line=15]
reverse-stepi
Sending packet: $Z0,8048465,1#86... 28922 gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=Z
28922 gdb7/js_undodb_server.c:832:command_loop [17884:17884]: Z0: set software breakpoint address=0x8048465 length=1
Ack
Packet received: OK
Sending packet: $Z0,b7efcb50,1#a1... 28984 gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=Z
28984 gdb7/js_undodb_server.c:832:command_loop [17884:17884]: Z0: set software breakpoint address=0xb7efcb50 length=1
Ack
Packet received: OK
Sending packet: $bs#d5...Ack
29240 gdb7/gdbserial.c:329:gdbserial_send_waitpid_response2 [17884:17884]: sending: S05
Packet received: S05
Sending packet: $g#67...Ack
Packet received: d4d2b5bf50d2b5bf01000000f44fdfb710d2b5bf38d2b5bf10850408a08304089384040893020000730000007b0000007b0000007b0000000000000033000000
Sending packet: $m8048493,1#3e...Ack
Packet received: 7e
Sending packet: $z0,8048465,1#a6... 29377 gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=z
29377 gdb7/js_undodb_server.c:832:command_loop [17884:17884]: z0: clear software breakpoint address=0x8048465 length=1
Ack
Packet received: OK
Sending packet: $z0,b7efcb50,1#c1... 29445 gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=z
29445 gdb7/js_undodb_server.c:832:command_loop [17884:17884]: z0: clear software breakpoint address=0xb7efcb50 length=1
Ack
Packet received: OK
0x08048493 13 for ( i=0; i<10; ++i)
eip 0x8048493 0x8048493 <main+63>
(gdb) continue
Continuing.
Sending packet: $Z0,8048465,1#86... 29956 gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=Z
29956 gdb7/js_undodb_server.c:832:command_loop [17884:17884]: Z0: set software breakpoint address=0x8048465 length=1
Ack
Packet received: OK
Sending packet: $Z0,b7efcb50,1#a1... 30022 gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=Z
30023 gdb7/js_undodb_server.c:832:command_loop [17884:17884]: Z0: set software breakpoint address=0xb7efcb50 length=1
Ack
Packet received: OK
Sending packet: $c#63... 30091 gdb7/js_undodb_server.c:441:command_loop [17884:17884]: doing PTRACE_CONT
Ack
30094 gdb7/js_undodb_server.c:450:command_loop [17884:17884]: undodb_waitpid() returned: pid=17890, WIFSTOPPED, sig= 5 (SIGTRAP)
30094 gdb7/gdbserial.c:329:gdbserial_send_waitpid_response2 [17884:17884]: sending: S05
Packet received: S05
Sending packet: $g#67...Ack
Packet received: d4d2b5bf50d2b5bf01000000f44fdfb710d2b5bf38d2b5bf10850408a08304086e84040893020000730000007b0000007b0000007b0000000000000033000000
Program received signal SIGTRAP, Trace/breakpoint trap.
Sending packet: $z0,8048465,1#a6... 30229 gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=z
30230 gdb7/js_undodb_server.c:832:command_loop [17884:17884]: z0: clear software breakpoint address=0x8048465 length=1
Ack
Packet received: OK
Sending packet: $z0,b7efcb50,1#c1... 30298 gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=z
30298 gdb7/js_undodb_server.c:832:command_loop [17884:17884]: z0: clear software breakpoint address=0xb7efcb50 length=1
Ack
Packet received: OK
Sending packet: $m804846e,1#6d...Ack
Packet received: 8b
main () at test/test16.c:15
15 fprintf( stderr, "test16.c: i=%i\n", i);
(gdb) bbcount=undodb-get-n
current "simulated time" is 258
(gdb) 258
continue
Continuing.
Sending packet: $Z0,8048465,1#86... 31021 gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=Z
31021 gdb7/js_undodb_server.c:832:command_loop [17884:17884]: Z0: set software breakpoint address=0x8048465 length=1
Ack
Packet received: OK
Sending packet: $Z0,b7efcb50,1#a1... 31088 gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=Z
31088 gdb7/js_undodb_server.c:832:command_loop [17884:17884]: Z0: set software breakpoint address=0xb7efcb50 length=1
Ack
Packet received: OK
Sending packet: $c#63... 31157 gdb7/js_undodb_server.c:441:command_loop [17884:17884]: doing PTRACE_CONT
Ack
test16.c: i=0
test16.c: i=1
test16.c: i=2
test16.c: i=3
test16.c: i=4
test16.c: i=5
test16.c: i=6
test16.c: i=7
test16.c: i=8
test16.c: i=9
causing deliberate segv
31167 gdb7/js_undodb_server.c:450:command_loop [17884:17884]: undodb_waitpid() returned: pid=17890, WIFSTOPPED, sig=11 (SIGSEGV)
31167 gdb7/gdbserial.c:329:gdbserial_send_waitpid_response2 [17884:17884]: sending: S0b
Packet received: S0b
Sending packet: $g#67...Ack
Packet received: 0000000018000000f460dfb7f44fdfb710d2b5bf38d2b5bf10850408a0830408bf84040846020100730000007b0000007b0000007b0000000000000033000000
Program received signal SIGSEGV, Segmentation fault.
Sending packet: $z0,8048465,1#a6... 31296 gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=z
31296 gdb7/js_undodb_server.c:832:command_loop [17884:17884]: z0: clear software breakpoint address=0x8048465 length=1
Ack
Packet received: OK
Sending packet: $z0,b7efcb50,1#c1... 31364 gdb7/js_undodb_server.c:817:command_loop [17884:17884]: command=z
31364 gdb7/js_undodb_server.c:832:command_loop [17884:17884]: z0: clear software breakpoint address=0xb7efcb50 length=1
Ack
Packet received: OK
Sending packet: $m80484bf,1#9a...Ack
Packet received: c7
0x080484bf in main () at test/test16.c:18
18 *(int*)0=0;
(gdb) bbcount=undodb-get-n
current "simulated time" is 2811
(gdb) 2811
info register eip
eip 0x80484bf 0x80484bf <main+107>
(gdb) undodb-goto-n 256
Sending packet: $g#67...Ack
Packet received: d4d2b5bf2735c97001000000f44fdfb74cd2b5bfa8d2b5bf10850408a08304085484040846020000730000007b0000007b0000007b0000000000000033000000
(gdb) info register eip
eip 0x8048454 0x8048454 <main>
(gdb) undodb-get-n
current "simulated time" is 256
(gdb) undodb-goto-bookmark 0
Sending packet: $g#67...Ack
Packet received: d4d2b5bf50d2b5bf01000000f44fdfb710d2b5bf38d2b5bf10850408a08304086e84040893020000730000007b0000007b0000007b0000000000000033000000
(gdb) info register eip
eip 0x804846e 0x804846e <main+26>
(gdb) q
A debugging session is active.
Inferior 2 [Remote target] will be killed.
Quit anyway? (y or n) y
Sending packet: $vKill;a410#33...Ack
Packet received: OK
Sending packet: $?#3f... 33419 gdb7/gdbserial.c:329:gdbserial_send_waitpid_response2 [17884:17884]: sending: X09
Ack
Packet received: X09
33490 net.c:46:net_readrepeat [17884:17884]: fd=5, n=1, sys_read() returned 0, t=1259018990, sys_time()=1259018990
yabs 0: remaking: ./tests_nr41,remote=1,gdb=/home/jules/gdb_cvs,,19-oct-2009
Many thanks,
- Julian
--
http://undo-software.com/
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