topic Re: Run dlopen error“Unsatisfied code symbol '_mcount' in load module '/billing/dll/libC04.sl' in Operating System - HP-UX

Run dlopen error“Unsatisfied code symbol '_mcount' in load module '/billing/dll/libC04.sl'

xinm — Sat, 26 Apr 2008 02:30:09 GMT

Dear friends:
When I run dlopen a “*.sl”,there happens a error,dlerror function’s result is :
“Unsatisfied code symbol '_mcount' in load module '/billing/dll/libC04.sl'.

------it’s makefile for *.sl--------------
LLIBTHREAD=-lpthread
CCFLAGSCC= +DSblended +O2 +Z -AA +DD64 -mt -D_RWSTD_MULTI_THREAD -DPTHREAD_FORCE_SCOPE_SYSTEM $(LLIBTHREAD)
INCLUDE= -I$(ORACLE_HOME)/rdbms/demo \
-I$(ORACLE_HOME)/rdbms/public \
-I$(ORACLE_HOME)/plsql/public \
-I$(ORACLE_HOME)/network/public \
-I./
HP_UX_ACC_COMPILE=aCC -D$(UNIX_VER) +z -ldl -g $(CCFLAGSCC) -I- $(INCLUDE) -I ./ -c
SLLD=aCC -b $(CCFLAGSCC)

so:$(OBJ)$(SO).o
$(SLLD) -G -o lib$(SO).sl $(OBJ)$(SO).o -lpthread -L$(ORACLE_HOME)/lib -lclntsh

$(OBJ)$(SO).o:$(SO).cpp $(DIR)base.h
$(CC) -I$(DIR) $(SO).cpp $(DIR)base.h
------it’s main program’s codes-----------
void *hndl = dlopen( dllname, RTLD_NOW|RTLD_GLOBAL );
char *dl = dlerror();
cout<<"kkdk"<cout<

---------------------------------------
When I run the program,error haved happened.

MY Program’s Environment:
machine : ia64 hp server rx4640
OS info:
sysname = HP-UX
release = B.11.23

I hope somebody can help me.
Thanks!

Re: Run dlopen error“Unsatisfied code symbol '_mcount' in load module '/billing/dll/libC04.sl'

Dennis Handly — Sat, 26 Apr 2008 02:45:05 GMT

>Run dlopen error â Unsatisfied code symbol _mcount in load module /billing/dll/libC04.sl

This means you compiled with -G. To use gprof you must link your executable with -G.

Why are you using -G to use the obsolete gprof?
Instead you should be using caliper to collect this info.

Re: Run dlopen error“Unsatisfied code symbol '_mcount' in load module '/billing/dll/libC04.sl'

Dennis Handly — Sat, 26 Apr 2008 02:48:17 GMT

I just noticed that you are having the exact same problems that you reported last Sept in:
http://forums.itrc.hp.com/service/forums/questionanswer.do?threadId=1165000

Re: Run dlopen error“Unsatisfied code symbol '_mcount' in load module '/billing/dll/libC04.sl'

xinm — Mon, 22 Dec 2008 07:24:40 GMT

3ks!

Re: Run dlopen error“Unsatisfied code symbol '_mcount' in load module '/billing/dll/libC04.sl'

xinm — Mon, 22 Dec 2008 07:26:04 GMT

thanks a lot!