gdb/514: can't see code in Shared library at breakpoint

[barto at visionpro dot com]

>Number:         514
>Category:       gdb
>Synopsis:       can't see code in Shared library at breakpoint
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Tue Apr 30 08:18:01 PDT 2002
>Closed-Date:
>Last-Modified:
>Originator:     David Barto <barto@visionpro.com>
>Release:        gdb-5.2
>Organization:
>Environment:
Solaris 8/Sparc
>Description:
download
./configure (nothing special)
./gdb/gdb <my program>
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This GDB was configured as "sparc-sun-solaris2.8"...
(gdb) b main
Breakpoint 1 at 0x24b6c: file ui3_main.c, line 138.
(gdb) r
Starting program: /net/rabbit-hutch/export/home/rabbit-hutch/barto/mvp/work/pcb-solaris/host/ui3/ui3 
[New LWP 1]
[New LWP 2]
[New LWP 3]
[New LWP 4]

Breakpoint 1, main (argc=1, argv=0xffbee474) at ui3_main.c:138
(gdb) b ScreenData::show_tile
Breakpoint 2 at 0xfe75cac4
(gdb) c
Continuing.

Breakpoint 2, 0xfe75cac4 in show_tile__10ScreenData (this=0x8e8e68)
   from /export/home/uber-rabbit/barto/mvp/work/pcb-solaris/lib/libmvpdrawing.so
(gdb) l
156
157         /* Create a Global Application Context */
158
159         app_context = XtCreateApplicationContext ();
160
161         /* Open the Display */
162
163         display = XtOpenDisplay(app_context, (String) 0, argv[0], "UserInterface3",
164                                (XrmOptionDescRec *) 0, 0, &argc, argv);
165         if (display == (Display *) 0) {
(gdb) where
#0  0xfe75cac4 in show_tile__10ScreenData (this=0x8e8e68)
   from /export/home/uber-rabbit/barto/mvp/work/pcb-solaris/lib/libmvpdrawing.so
#1  0xfe766930 in fx_all__13ScreenDrawing (this=0x299aa0) at commonfuncs.c:158
#2  0xfe766a98 in fx_dbase__13ScreenDrawingi (this=0x299aa0, file_type=1) at commonfuncs.c:207
#3  0xfeb8082c in find_directory_files__FlP6Funnel (filter=4097, remote=0xcab08) at algoinit.c:597
#4  0xff146904 in load_database__Fl (style=4097) at editor_frame.c:105
#5  0xff1473a0 in load_as_cb__FP10_WidgetRecPvT1 (w=0x12cc58, u=0x0, x=0xffbee02c)
    at editor_frame.c:231
#6  0xfd6bce68 in XtCallCallbackList () from /usr/lib/libXt.so.4
#7  0xfd8031f0 in ActivateCommon () from /usr/lib/libXm.so.4
#8  0xfd6bff7c in HandleActions () from /usr/lib/libXt.so.4
#9  0xfd6c6efc in HandleComplexState () from /usr/lib/libXt.so.4
#10 0xfd6be8d8 in _XtTranslateEvent () from /usr/lib/libXt.so.4
#11 0xfd6be64c in XtDispatchEventToWidget () from /usr/lib/libXt.so.4
#12 0xfd6bdedc in _XtDefaultDispatcher () from /usr/lib/libXt.so.4
#13 0xfd6bda0c in XtDispatchEvent () from /usr/lib/libXt.so.4
#14 0xfd6bb5a4 in XtAppMainLoop () from /usr/lib/libXt.so.4
#15 0x000257b0 in main (argc=1, argv=0xffbee474) at ui3_main.c:359
(gdb) up
#1  0xfe766930 in fx_all__13ScreenDrawing (this=0x299aa0) at commonfuncs.c:158
158         ScrClose->show_tile();
(gdb) down
#0  0xfe75cac4 in show_tile__10ScreenData (this=0x8e8e68)
   from /export/home/uber-rabbit/barto/mvp/work/pcb-solaris/lib/libmvpdrawing.so
(gdb) l show_tile__10ScreenData
No line number known for show_tile__10ScreenData.
(gdb) up
#1  0xfe766930 in fx_all__13ScreenDrawing (this=0x299aa0) at commonfuncs.c:158
158         ScrClose->show_tile();
(gdb) 


the but is in the line 'No line number known for' when
I know it exists, and going up the call tree will allow
earlier code to be seen. If I continue to the next function DOWN
the call tree, then say UP, I can see the code in the
function I wanted to debug.

gcc version is 2.95.2
>How-To-Repeat:

>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted: