[Bug translator/11751] on s390x, externalvar.exp gets libdwfl failures

[dsmith at redhat dot com]

------- Additional Comments From dsmith at redhat dot com  2010-06-30 14:01 -------
> OK, so this is for all the variables in the library. We think we found, libvar
> in this case, at address 0x1a70, we try to translate it to a location
> expression, so we ask libdwfl about it to determine which dwfl module exactly it
> is in. But then dwfl_addrmodule fails for some reason (but without it setting an
> error code).
> 
> Could you try to build the libexternalvar.so as above (or just comment out the
> rm in the exp file) and see waht loc2c-test says about it?
> 
> $ ./loc2c-test testsuite/libexternalvar.so 0x1a70
> 
> $ ./loc2c-test testsuite/libexternalvar.so 0x1a70 libvar

After adding '-e', I get:

# ./loc2c-test -e testsuite/libexternalvar.so 0x1a70
./loc2c-test: dwfl_addrdie: address out of range
# ./loc2c-test -e testsuite/libexternalvar.so 0x1a70 libvar
./loc2c-test: dwfl_addrdie: address out of range

> and what does eu-readelf say about the lib_call function?
> 
> $ eu-readelf -s testsuite/libexternalvar.so | grep lib_call

# eu-readelf -s testsuite/libexternalvar.so | grep lib_call
   48: 000000000000062c     18 FUNC    LOCAL  DEFAULT       10 lib_call

-- 


http://sourceware.org/bugzilla/show_bug.cgi?id=11751

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