libgcj testsuite FAILs on Ubuntu

Wed Aug 5 10:58:00 GMT 2009

There is a number of gcj stacktrace failures on Ubuntu ARM.
They all look like this:
StackTrace2$Inner.doCrash:FAIL - expected 33, got: 0, in file crtstuff.c
StackTrace2$Inner.foo:FAIL - expected 28, got: 0, in file crtstuff.c
StackTrace2.a:FAIL - expected 21, got: 0, in file crtstuff.c
StackTrace2.main:FAIL - expected 10, got: 0, in file crtstuff.c
A simple test reveals that dladdr() doesn't work:
#define _GNU_SOURCE
#include <stdio.h>
#include <dlfcn.h>
void dosym(const char *s, void *p)
{
 Dl_info addr_info;
 int success = dladdr (p, &addr_info);
 if (success)
 {
 fprintf (stdout, "%s=%p\n", s, p);
 fprintf (stdout, "%s is at %p,\n",
	 addr_info.dli_sname, addr_info.dli_fbase);
 }
}
void main()
{
 dosym ("printf", (void*)printf);
 dosym ("open", (void*)fopen);
}
aph@babbage-aph:~$ gcc test_dladdr.c -g -ldl
aph@babbage-aph:~$ ./a.out
printf=0x83f0
printf is at 0x8000,
open=0x83e4
fopen is at 0x8000,
This is:
Distributor ID:	Ubuntu
Description:	Ubuntu jaunty (development branch)
Release:	9.04
I don't know how something as fundamental as dladdr() can possibly
fail and the system still appear to work, but there it is.
Andrew.