Date: Tue, 14 May 1996 00:30:01 +0200 (MET DST) From: =?iso-8859-1?Q?=22=C5ge?= =?iso-8859-1?Q?R=F8bekk=22?= <aagero@aage.priv.no> To: chuckr@Glue.umd.edu Cc: FreeBSD-Ports@FreeBSD.ORG Subject: Re: dynamic linking Message-ID: <199605132230.AAA02514@birk04.studby.uio.no> In-Reply-To: <Pine.OSF.3.91.960513004455.7203B-100000@thurston.eng.umd.edu> (message from Chuck Robey on Mon, 13 May 1996 00:50:13 -0400 (EDT))
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[Chuck Robey] | ./dltests /usr/obj/lib/libc/rmdir.so | testing file /usr/obj/lib/libc/rmdir.so ... dlopen call returned pointer | value 0 | dlerror call returns mmap failed for "/usr/obj/lib/libc/rmdir.so" : | Invalid argument I was able to load a shared object by doing $ gcc -c -fpic dlopen.c $ ld -Bshareable dlopen.o -o dlopen.so $ size dlopen.o text data bss dec hex 528 0 0 528 210 $ size dlopen.so text data bss dec hex 4096 4096 0 8192 2000 $ ./dlopen ./dlopen.so <works> The reason for failing in the other case is that the object is not page-aligned, which -Bshareable sets up. mmap() is given an offset which is not a multiply of the pagesize. -aage
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