Resolving names from shared libraries instead of the executable

[pallabdasgupta]

I have an executable EXE which loads two shared libraries SL1 and SL2. SL1 refers to a symbol SYM which is in both SL2 and the executable EXE.
The EXE is built with the -E flag.

I want the call to SYM from SL1 to resolve to the one in SL2, and not the one in EXE.

On Solaris, I do this by using the -Bdirect switch of ld while building SL2 and using -lSL1

I could not find an equivalent for HP. Is there one ?

 

[walaS1]

this example run on hp.
Mybe this one can help u.

#include <dlfcn.h>
#include <errno.h>
#include <stdio.h>

void main (void)
{
void *(*fn)();
void *lib;
char *e;
int c;

if ((lib = dlopen (&quot;./lib.so&quot;, RTLD_NOW)) == NULL)
{
e = dlerror();
printf (&quot;%s\n&quot;, e);
exit (3);
}
if ((fn = dlsym (lib, &quot;myprint&quot) == NULL)
{
perror (dlerror());
exit (4);
}
(*fn)(&quot;Hello World&quot;
(*fn)(&quot;Press Enter&quot;
c = getchar();
if (dlclose (lib) != 0) {
perror (&quot;Can't unload lib&quot;
exit (3);
}
}

the makeFile:
all: main lib.sl

main: main.c lib.sl Makefile
cc -Ae -o main main.c /usr/lib/libdld.2
#./main
lib.sl: lib.c Makefile lib1.c
cc -Ae -n -b -o lib.sl lib.c