Dbx - core file without symbolic info - from C++ app

I have multiple core files, written by a C++ application (with C++ shared libs also) which has been 'strip'ed of all symbolic info. I have been able to determine that all cores happen in the same method, with the same stack trace showing for each. Using the mdb $m cmd I can track the location down to a particular shared library.
Is there some way to now track it down further regarding where in the shared lib the event occured? Something like getting an offset map of the items in the shared lib, and using their offset into the library listing, match that against the offset of the address of the method which trapped as an offset from the process base address?
I am at a loss as to how to proceed any further here. Can someone enlighten me as to the next steps I can take?
Thx...

compiler: Sun Workshop 6 - update 2
OS: Solaris 5.8
When I do pstack or dbx-->where cmd, I get:
----------------- lwp# 15315 / thread# 1 --------------------
ffffffff7ec5653c ???????? (101d80ed0, 1, 6872b020c49ba5e3, 3fff9e353f7ced91, ffffffff7eca7db8, 0)
ffffffff7ec55374 ???????? (10125fac0, 101d86d30, 101c8be60, 101da03f0, 101da03f0, ffffffff7edab9e0)
ffffffff7ec47920 ???????? (101d86d30, ffffffff7fffe0e8, 101055900, 0, 1005cdca0, 1001dfd88)
ffffffff7ec5ed94 ???????? (101b6f620, ffffffff7fffe0e8, ffffffff7fffe530, 1003cab90, 101052040, 0)
ffffffff7e15a7c8 ???????? (1005cb2b0, 466, 1001e2710, ffffffff7fffe530, 1003cab90, 0)
ffffffff7ec5d49c ???????? (ffffffff7fffe530, 1005cb308, 1001dfd88, 1003cab90, 1003cab90, 1005cb2b0)
ffffffff7ec65ee4 ???????? (466, 1001e2710, ffffffff7fffe530, 1003cab90, 466, 1001e2740)
0000000100029dd0 ???????? (1001e2745, 466, ffffffff7fffee20, 0, 0, 0)
000000010002989c ???????? (0, 0, 0, 0, 0, 0)
No symbolic information. But trap happened at 7ec5653c .
Now if I do a dump -t on the process binary to dump the symbol table, I get a listing like:
ffffffff7c200000 ffffffff7c2a8000 a8000 /usr/lib/sparcv9/libnsl.so.1
ffffffff7c3a8000 ffffffff7c3b8000 10000 /usr/lib/sparcv9/libnsl.so.1
ffffffff7c3b8000 ffffffff7c3c0000 8000 /usr/lib/sparcv9/libnsl.so.1
ffffffff7c400000 ffffffff7cf1e000 b1e000 /ap/p/cc/oracle/product/9.2.0/lib/libclntsh.so.9.0
ffffffff7d01c000 ffffffff7d0d0000 b4000
ffffffff7d0d0000 ffffffff7d0e2000 12000
ffffffff7d100000 ffffffff7d102000 2000
ffffffff7d200000 ffffffff7d296000 96000 /ap/p/cc/tss/curr/lib/libwhatever1.so
ffffffff7d394000 ffffffff7d39c000 8000
ffffffff7d400000 ffffffff7d56c000 16c000 /ap/p/cc/tss/curr/lib/libwhatever2.so
ffffffff7d66a000 ffffffff7da72000 408000
ffffffff7db00000 ffffffff7db02000 2000 /usr/lib/sparcv9/libdl.so.1
ffffffff7dc00000 ffffffff7dc02000 2000
ffffffff7dd00000 ffffffff7dd02000 2000
ffffffff7de00000 ffffffff7de8c000 8c000 /ap/p/cc/tss/applib/libapputility64.so
ffffffff7df8a000 ffffffff7df92000 8000
ffffffff7e000000 ffffffff7e18a000 18a000 /ap/p/cc/tss/applib/libwhatever364.so
ffffffff7e288000 ffffffff7e296000 e000
ffffffff7e296000 ffffffff7e47e000 1e8000
ffffffff7e500000 ffffffff7e538000 38000 /ap/p/cc/tss/applib/libwhatever4.so
ffffffff7e636000 ffffffff7e63a000 4000
ffffffff7e700000 ffffffff7e71e000 1e000 /ap/p/cc/tss/applib/libdatabase64.so
ffffffff7e81c000 ffffffff7e820000 4000
ffffffff7e900000 ffffffff7e904000 4000 /ap/p/cc/tss/pcontrol/../bin/libtscalltcp014.so
ffffffff7ea02000 ffffffff7ea04000 2000
ffffffff7ea04000 ffffffff7ebec000 1e8000
ffffffff7ec00000 ffffffff7ecac000 ac000 /ap/p/cc/tss/curr/lib/libthis_is_it.so
--> note: happened in libthis_is_it.so at 7ec5653c
ffffffff7edaa000 ffffffff7f028000 27e000
ffffffff7f100000 ffffffff7f144000 44000 /ap/p/cc/tss/pcontrol/../bin/libwhatever5.so
ffffffff7f242000 ffffffff7f24e000 c000
ffffffff7f24e000 ffffffff7f258000 a000
ffffffff7f300000 ffffffff7f302000 2000
f
I see a shared lib occupying from 7ec00000 to 7ecac000, and my trap address falls within that range. So I believe I can narrow the event to that particular shared lib based on that. Correct?
Now I do a dump -t on that particular shared lib, and I wind up with another listing. Grep that listing for string values between 0x55 and 0x56, I find the unit within which the trap address falls, and I have my source location. Like so:
grep -i 0x55 dump_new_symtbl.txt
================================
[1621] 0x55020 24 1 0 0 0x9 ___const_seg_900000504
[1632] 0x55ac0 24 1 0 0 0x9 ___const_seg_900000904
[1634] 0x55f00 24 1 0 0 0x9 ___const_seg_900001102
[2807] 0x55050 2668 2 1 0 0x9 __1cMangledName_1_here
[2877] 0x55af0 1036 2 1 0 0x9 __1cMangledName_2_here
[3017] 0x55f18 3060 2 1 0 0x9 __1cMangledName_3_here
grep -i 0x56 dump_new_symtbl.txt
================================
[1643] 0x56b10 24 1 0 0 0x9 ___const_seg_900001901
[2584] 0x56b40 3656 2 1 0 0x9 __1cMangledName_4_here
I don't really need C++filt in this case, I can discern what the mangled name refers to in the source code.
So I think I have my problem area pin-pointed, I just want to make sure, and have someone knowledgable in this type of analysis to tell me that I an correct.
Thanks for the response.
-mc

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