Changes between Version 8 and Version 9 of jazz/09-02-01

Timestamp:

Feb 1, 2009, 10:58:44 PM (17 years ago)

Author:

jazz

Comment:

--

jazz/09-02-01

@@ -17 +17 @@
     * '=' -- 增加 source window
 }}}
- * [參考] http://vision.twbbs.org/~letoh/blog/2007/04/13/cgdb-curses-gdb/
-{{{
-
+ * [參考] [http://vision.twbbs.org/~letoh/blog/2007/04/13/cgdb-curses-gdb/ ~/.cgdb/cgdbrc 參考設定]
+{{{
+    set arrowstyle=highlight
+    set autosourcereload
+    set shortcut
+    set tabstop=4
+    set winsplit=top_big
+    hi Statement cterm=bold ctermfg=6
+    hi PreProc cterm=bold ctermfg=4
+    hi IncSearch ctermfg=2
+    hi LineHighlight cterm=bold ctermfg=3 ctermbg=4
 }}}
  * [參考] http://blogkrogh.blogspot.com/2008/05/gdb-xxgdb-ddd.html
@@ -120 +128 @@
 color 15 : 3f, 3f
 }}}
- * 以下是在 Debian Etch 上執行結果，有趣的是 jfbterm 0.4.7-7 在 2.6.18 上執行，縱使有 cannot mmap(mmio) : Invalid argument 的錯誤訊息，但仍舊可以正常進入 jfbterm 的環境。
+ * 以下是在 Debian Etch 上執行結果，有趣的是 jfbterm 0.4.7-7 在 2.6.18-4 上執行，縱使有 cannot mmap(mmio) : Invalid argument 的錯誤訊息，但仍舊可以正常進入 jfbterm 的環境。
 {{{
 root@etch:~# uname -a
@@ -201 +209 @@
 There is no member named ut_time.
 }}}
+ * GDB 線上除錯練習
+{{{
+[tty1]
+
+root@etch:~# apt-get build-dep jfbterm
+root@etch:~# apt-get source jfbterm
+root@etch:~# apt-get install jfbterm
+root@etch:~# cd jfbterm-0.4.7
+root@etch:~/jfbterm-0.4.7# ./configure --enable-debug
+root@etch:~/jfbterm-0.4.7# make
+root@etch:~/jfbterm-0.4.7# ./jfbterm -f /etc/jfbterm.conf -e /root/test.sh
+
+[tty2]
+
+root@etch:~# gdb /root/jfbterm-0.4.7/jfbterm `pidof jfbterm`
+GNU gdb 6.4.90-debian
+Copyright (C) 2006 Free Software Foundation, Inc.
+GDB is free software, covered by the GNU General Public License, and you are
+welcome to change it and/or distribute copies of it under certain conditions.
+Type "show copying" to see the conditions.
+There is absolutely no warranty for GDB.  Type "show warranty" for details.
+This GDB was configured as "i486-linux-gnu"...Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1".
+
+Attaching to program: /root/jfbterm-0.4.7/jfbterm, process 7480
+Reading symbols from /lib/tls/i686/cmov/libutil.so.1...done.
+Loaded symbols for /lib/tls/i686/cmov/libutil.so.1
+Reading symbols from /lib/tls/i686/cmov/libm.so.6...done.
+Loaded symbols for /lib/tls/i686/cmov/libm.so.6
+Reading symbols from /lib/tls/i686/cmov/libc.so.6...done.
+Loaded symbols for /lib/tls/i686/cmov/libc.so.6
+Reading symbols from /lib/ld-linux.so.2...done.
+Loaded symbols for /lib/ld-linux.so.2
+Reading symbols from /lib/tls/i686/cmov/libnss_compat.so.2...done.
+Loaded symbols for /lib/tls/i686/cmov/libnss_compat.so.2
+Reading symbols from /lib/tls/i686/cmov/libnsl.so.1...done.
+Loaded symbols for /lib/tls/i686/cmov/libnsl.so.1
+Reading symbols from /lib/tls/i686/cmov/libnss_nis.so.2...done.
+Loaded symbols for /lib/tls/i686/cmov/libnss_nis.so.2
+Reading symbols from /lib/tls/i686/cmov/libnss_files.so.2...done.
+Loaded symbols for /lib/tls/i686/cmov/libnss_files.so.2
+Failed to read a valid object file image from memory.
+0xb7fea410 in ?? ()
+(gdb) break term.c:284
+Breakpoint 1 at 0x804f552: file term.c, line 284.
+(gdb) c
+Continuing.
+
+Breakpoint 1, tterm_final (p=0x8058be0) at term.c:284
+284             time(&(utp->ut_time));
+(gdb) c
+Continuing.
+
+Breakpoint 1, tterm_final (p=0x8058be0) at term.c:284
+284             time(&(utp->ut_time));
+(gdb) c
+Continuing.
+
+Program exited normally.
+}}}
+ * GDB 遠端除錯練習
+{{{
+
+}}}