gdb load local shared object

[url]
http://ftp.gnu.org/old-gnu/Manuals/gdb/html_node/gdb_118.html[/url]
[url]
http://visualgdb.com/gdbreference/commands/set_solib-search-path
[/url]

引用

root@jason:/opt/lxc/src/lxc# gdb ./lxc-attach
GNU gdb (Ubuntu 7.7.1-0ubuntu5~14.04.2) 7.7.1
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Reading symbols from ./lxc-attach...done.
(gdb) set solib-search-path /opt/lxc/
aclocal.m4      autom4te.cache/ config.status   CONTRIBUTING    .git/           INSTALL         lxc.spec        Makefile        NEWS            templates/     
AUTHORS         config/         configure       COPYING         .gitignore      lxc.pc          lxc.spec.in     Makefile.am     README          .travis.yml    
autogen.sh      config.log      configure.ac    doc/            hooks/          lxc.pc.in       MAINTAINERS     Makefile.in     src/           
(gdb) set solib-search-path /opt/lxc/src/lxc/
(gdb) b lxc_attach
Breakpoint 1 at 0x400b50
(gdb) run -n p2
Starting program: /opt/lxc/src/lxc/lxc-attach -n p2
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".

Breakpoint 1, lxc_attach (name=0x7fffffffe7a4 "p2", lxcpath=0x604070 "/usr/local/var/lib/lxc", exec_function=0x400b40 <lxc_attach_run_shell@plt>, exec_payload=exec_payload@entry=0x0,
    options=options@entry=0x7fffffffe3d0, attached_process=attached_process@entry=0x7fffffffe3bc) at attach.c:695
695 {
(gdb) l
690 free(p);
691 return ret;
692 }
693
694 int lxc_attach(const char* name, const char* lxcpath, lxc_attach_exec_t exec_function, void* exec_payload, lxc_attach_options_t* options, pid_t* attached_process)
695 {
696 int ret, status;
697 pid_t init_pid, pid, attached_pid, expected;
698 struct lxc_proc_context_info *init_ctx;
699 char* cwd;
(gdb) l
(gdb) info sharedlibrary
From                To                  Syms Read   Shared Object Library
0x00007ffff7ddaae0  0x00007ffff7df54e0  Yes         /lib64/ld-linux-x86-64.so.2
0x00007ffff7b768b0  0x00007ffff7bbd25c  Yes         /opt/lxc/src/lxc/liblxc.so
0x00007ffff77c24a0  0x00007ffff7907583  Yes         /lib/x86_64-linux-gnu/libc.so.6
0x00007ffff75a0f10  0x00007ffff75a1804  Yes         /lib/x86_64-linux-gnu/libutil.so.1
0x00007ffff73879f0  0x00007ffff73944a1  Yes         /lib/x86_64-linux-gnu/libpthread.so.0