Linux-flashplugin7 & rtld - RFC

[Daniel Eischen]

On Sun, 2 Jul 2006, Norikatsu Shigemura wrote:

> On Mon, 26 Jun 2006 15:06:33 -0400 (EDT)
> Daniel Eischen <deischen at freebsd.org> wrote:
>> The check for the object providing the correct version should
>> still be done, but it needs to be checking the correct (libmap'd)
>> object.
>
> 	Eureka!!!
>
> 	I understand why my approch should be integrated to libc/libm/
> 	libpthread, and deischen's approch failuer.  So I can sperate
> 	library from libc/libm/libpthread.
>
> 	deischen's LPW:
> 	$ readelf -Ws flash7.so | fgrep open
> 	    71: 00001760    54 FUNC    LOCAL  DEFAULT   11 popen
> 	   110: 000025e0    54 FUNC    LOCAL  DEFAULT   11 iconv_open
> 	   185: 00001520    54 FUNC    LOCAL  DEFAULT   11 fopen
> 	   198: 000016e0    54 FUNC    LOCAL  DEFAULT   11 opendir
> 	These are bad.
>
> 	$ readelf -Ws flash7.so | fgrep pthread_
> 		:
> 	    27: 00000000   117 FUNC    GLOBAL DEFAULT  UND _pthread_mutex_init at LIBTHREAD_1_0 (13)
> 		:
> 	    70: 00000f80    94 FUNC    LOCAL  DEFAULT   11 pthread_mutex_init at GLIBC_2.0
> 		:
> 	These are good.
>
> 	So it should be fixed like following:
> flash7.so:      flash7.map ${FLASH7OBJ}
> 	${CC} -shared -o $@ ${CFLAGS} ${FLASH7OBJ} \
> 		-Wl,--version-script=flash7.map -lc -lm -lpthread -lstdc++
> 		                               ~~~~

Yes, I tried that also, but I couldn't get it to work.

-- 
DE