On Sat, Jun 16, 2001 at 06:59:39PM -0400, Roland McGrath wrote:
>
> Well, I think that is because you are getting an error in the very first
> place that one can happen. _dl_map_object prints when it's about to load
> an object--unless it's the main program being loaded or a _dl_open call.
> I'm pretty sure that the dynamic linker is getting as far as making the
> call `__open ("/bin/rpctrace", O_RDONLY)' and that fails.
>
> Time for gdb. Break on __open (in dl-sysdep.c) and step through.
The problem is that my break point is either not honoured, or never
encountered. I tried both, gdb /new-glibc/ld-2.2.3.so with arguments
/bin/echo and /bin/rpctrace:
(note that /new-glibc is really /zzz/zzz/zzz here).
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This GDB was configured as "i386-unknown-gnu0.2"...
(gdb) break __open
Breakpoint 1 at 0xefef: file ../sysdeps/mach/hurd/dl-sysdep.c, line 506.
(gdb) set args /bin/rpctrace
(gdb) run
Starting program: /zzz/zzz/zzz/ld-2.2.3.so /bin/rpctrace
/bin/rpctrace: error while loading shared libraries: /bin/rpctrace: cannot open shared
object file: No such file or directory
Program exited with code 0177.
(gdb) set args /bin/echo hello
(gdb) run
Starting program: /zzz/zzz/zzz/ld-2.2.3.so /bin/echo hello
hello
Program exited normally.
(gdb) quit
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