[hellogcc] Re: [hellogcc] Re: [hellogcc] Re: [hellogcc] Re: [hellogcc] [投稿]编译GDB

  • From: 乔崇 <qiaochong@xxxxxxxxxxx>
  • To: hellogcc@xxxxxxxxxxxxx
  • Date: Fri, 17 Dec 2010 08:25:39 +0800

add more debug info in gdb,the result is at bellow.

my kernel is 64bit,is this the reason?

#sudo modprobe -r gtp
#sudo modprobe gtp
#sudo /work/kgtp/gdb/gdb/gdb vmlinux

GNU gdb (GDB) 7.2.50.20101216-cvs
Copyright (C) 2010 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 "--host=mipsel-unknown-linux-gnu
--target=mipsel-linux".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /work/rt4ls/vmlinux...done.
(gdb) target remote /proc/gtp
Remote debugging using /proc/gtp
sending:
"qSupported:qRelocInsn+"
received:
"ConditionalTracepoints+;TracepointSource+;DisconnectedTracing+"
sending:
"Hg0"
received:
""
sending:
"?"
received:
"S05"
sending:
"Hc-1"
received:
""
sending:
"qC"
received:
""
sending:
"qAttached"
received:
""
sending:
"qOffsets"
received:
""
sending:
"Hg0"
received:
""
sending:
"g"
received:
"00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"
sending:
"g"
received:
"00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"
sending:
"m0,4"
received:
"E0e"
sending:
"mfffffffffffffffc,4"
received:
"E0e"
sending:
"m0,4"
received:
"E0e"
0x0000000000000000 in ?? ()
sending:
"qSymbol::"
received:
""
sending:
"qTStatus"
received:
"T0;tnotrun:0;tframes:0;tcreated:0;tsize:500000;tfree:500000;circular:0;disconn:0"
remote_get_noisy_reply():
T0;tnotrun:0;tframes:0;tcreated:0;tsize:500000;tfree:500000;circular:0;disconn:0
sending:
"qTfV"
received:
"1:0:1:63757272656e745f7461736b"
sending:
"qTsV"
received:
"l"
sending:
"qTfP"
received:
"l"
(gdb) trace sys_read
sending:
"mffffffff802f4f94,4"
received:
"00200400"
Tracepoint 1 at 0xffffffff802f4f94: file fs/read_write.c, line 373.
(gdb) actions
Enter actions for tracepoint 1, one per line.
End with a line saying just "end".
>collect $reg
>end
(gdb) tstart
sending:
"QTinit"
received:
"OK"
remote_get_noisy_reply():
OK
sending:
"QTDP:1:ffffffff802f4f94:E:0:0-"
received:
"OK"
remote_get_noisy_reply():
OK
sending:
"QTDP:-1:ffffffff802f4f94:R03FFFFFFFFFFFFFFFFFFFFFF"
received:
"OK"
remote_get_noisy_reply():
OK
sending:
"QTDPsrc:1:ffffffff802f4f94:at:0:8:7379735f72656164"
received:
"OK"
remote_get_noisy_reply():
OK
sending:
"QTDPsrc:1:ffffffff802f4f94:cmd:0:c:636f6c6c6563742024726567"
received:
"OK"
remote_get_noisy_reply():
OK
sending:
"QTDV:1:0000000000000000:1:63757272656e745f7461736b"
received:
"OK"
remote_get_noisy_reply():
OK
sending:
"QTro:ffffffff80200000,ffffffff80741710:ffffffff80741710,ffffffff80748e30:ffffffff80748e30,ffffffff80748e54:ffffffff80749000,ffffffff80844500:ffffffff80844500,ffffffff808452a0:ffffffff808452a0,ffffffff808502d0:ffffffff808502d0,ffffffff80855610:ffffffff80855610,ffffffff8085ae28:ffffffff8085ae28,ffffffff8085d7c8:ffffffff8085d7c8,ffffffff8086f838:ffffffff8086f838,ffffffff80872000:ffffffff808c8000,ffffffff80908990:ffffffff80914200,ffffffff80916880"
received:
"OK"
sending:
"QTDisconnected:0"
received:
"OK"
remote_get_noisy_reply():
OK
sending:
"QTBuffer:circular:0"
received:
"OK"
remote_get_noisy_reply():
OK
sending:
"QTStart"
received:
"E16"
remote_get_noisy_reply():
E16
remote.c: error in outgoing packet at field #6.
(gdb) quit
A debugging session is active.

Inferior 1 [Remote target] will be killed.

Quit anyway? (y or n) sending:
"qTStatus"
received:
"T0;tstop:0;tframes:0;tcreated:0;tsize:500000;tfree:500000;circular:0;disconn:0"
remote_get_noisy_reply():
T0;tstop:0;tframes:0;tcreated:0;tsize:500000;tfree:500000;circular:0;disconn:0
sending:
"k"


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