Never mind, looks like FreeBSD's strnvis argument order is different
from OpenBSD's, looking to see when that happened.
On Mon, Dec 02, 2013 at 11:55:32PM +0000, Nicholas Marriott wrote:
> Honestly, you are not making this easy...
>
> Could you just do "p *ent" and "p *code" from this frame in gdb?
>
> With -O0 you should hopefully see something like:
>
> (gdb) p *ent
> $1 = {code = TTYC_BEL, type = TTYCODE_STRING, name = 0x3c00cf68 "bel"}
> (gdb) p *code
> $2 = {type = TTYCODE_STRING, value = {string = 0x827955a0 "\a", ...
>
>
>
>
> On Mon, Dec 02, 2013 at 06:25:26PM -0500, Eitan Adler wrote:
> > On Mon, Dec 2, 2013 at 4:57 PM, Nicholas Marriott
> > <nicholas.marri...@gmail.com> wrote:
> > > yeah give that a try if you can
> >
> > gdb$ p/x ent
> > $1 = 0x478030
> > gdb$ p/x *ent
> > $2 = {
> > code = 0x1,
> > type = 0x1,
> > name = 0x4789f0
> > }
> >
> > (lldb) thread backtrace
> > * thread #1: tid = 0, 0x000000080104a01b
> > libc.so.7`strlen(str=0x0000000000000050) + 11 at strlen.c:100, name =
> > 'tmux', stop reason = signal SIGSEGV
> > * frame #0: 0x000000080104a01b
> > libc.so.7`strlen(str=0x0000000000000050) + 11 at strlen.c:100
> > frame #1: 0x0000000800fec57f
> > libc.so.7`istrsenvisx(mbdst=0x00007fffffffa970,
> > dlen=0x00007fffffffa898, mbsrc=0x0000000000000050,
> > mblength=<unavailable>, flags=25, mbextra=0x0000000801058c0d,
> > cerr_ptr=<unavailable>) + 79 at vis.c:379
> > frame #2: 0x0000000800fecc5b
> > libc.so.7`strnvis(mbdst=<unavailable>, dlen=34385273408,
> > mbsrc=<unavailable>, flags=<unavailable>) + 43 at vis.c:655
> > frame #3: 0x00000000004151de
> > tmux`cmd_server_info_exec(self=0x00000008018814c0,
> > cmdq=0x000000080187f160) + 1998 at cmd-server-info.c:148
> > frame #4: 0x0000000000411659
> > tmux`cmdq_continue(cmdq=0x000000080187f160) + 441 at cmd-queue.c:229
> > frame #5: 0x0000000000411404
> > tmux`cmdq_run(cmdq=0x000000080187f160, cmdlist=0x00000008018cfd80) +
> > 68 at cmd-queue.c:180
> > frame #6: 0x0000000000440ba1
> > tmux`server_client_msg_command(c=0x00000008018fd000,
> > data=0x00007fffffffc158) + 321 at server-client.c:936
> > frame #7: 0x000000000043ee17
> > tmux`server_client_msg_dispatch(c=0x00000008018fd000) + 439 at
> > server-client.c:821
> > frame #8: 0x000000000043ec0f tmux`server_client_callback(fd=9,
> > events=2, data=0x00000008018fd000) + 223 at server-client.c:230
> > frame #9: 0x0000000800d03b21 libevent-1.4.so.4`event_base_loop + 1553
> > frame #10: 0x0000000000444625 tmux`server_loop + 53 at server.c:207
> > frame #11: 0x00000000004442c5 tmux`server_start(lockfd=5,
> > lockfile=0x0000000801812800) + 2405 at server.c:198
> > frame #12: 0x0000000000405886
> > tmux`client_connect(path=0x0000000000699080, start_server=1) + 534 at
> > client.c:124
> > frame #13: 0x0000000000405c3d tmux`client_main(argc=0,
> > argv=0x00007fffffffd700, flags=1) + 605 at client.c:221
> > frame #14: 0x0000000000450d25 tmux`main(argc=0,
> > argv=0x00007fffffffd700) + 2421 at tmux.c:406
> > frame #15: 0x0000000000403c8f tmux`_start(ap=<unavailable>,
> > cleanup=<unavailable>) + 335 at crt1.c:78
> >
> > (lldb) frame select 3
> > frame #3: 0x00000000004151de
> > tmux`cmd_server_info_exec(self=0x00000008018814c0,
> > cmdq=0x000000080187f160) + 1998 at cmd-server-info.c:148
> > 145 ent->code, ent->name);
> > 146 break;
> > 147 case TTYCODE_STRING:
> > -> 148 strnvis(out,
> > code->value.string, sizeof out,
> > 149 VIS_OCTAL|VIS_TAB|VIS_NL);
> > 150 cmdq_print(cmdq, "%2u: %s: (string)
> > %s",
> > 151 ent->code, ent->name, out);
> > (lldb) frame variable
> > (cmd *) self = 0x00000008018814c0
> > (cmd_q *) cmdq = 0x000000080187f160
> > (tty_term *) term = 0x00000008018aec00
> > (client *) c = 0x00000008018fd000
> > (session *) s = 0x0000000000000000
> > (winlink *) wl = 0x0000000000000000
> > (window *) w = 0x0000000801809b00
> > (window_pane *) wp = 0x0000000000000000
> > (tty_code *) code = 0x00000008018aee20
> > (const tty_term_code_entry *) ent = 0x0000000000478030
> > (utsname) un = (sysname = "FreeBSD", nodename = "gravity.local",
> > release = "11.0-CURRENT", version = "FreeBSD 11.0-CURRENT #0 r258140M:
> > Thu Nov 14 17:04:27 EST 2013
> > eitan@gravity.local:/usr/obj/usr/src/sys/EADLER", machine = "amd64")
> > (job *) job = 0x000000080180d710
> > (grid *) gd = 0x00000008018cfd00
> > (grid_line *) gl = 0x00000008018edff0
> > (u_int) i = 0
> > (u_int) j = 1
> > (u_int) k = 64
> > (u_int) lines = 13
> > (size_t) size = 10192
> > (char [80]) out = "\x10\e+\x01\b"
> > (char *) tim = 0x00000008012aef40 "Mon Dec 2 18:20:26 2013"
> > (time_t) t = 1386026426
> >
> >
> >
> > --
> > Eitan Adler
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