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It can happen under certain cases that the DSO had refcount 0,
but was already loaded. (NODELETE flag is set, or it is pulled
in via both NEEDED dependency and explicit dlopen()).
Add extra reference count for NODELETE objects, this will
ensure that the reference count never drops below one.
It is improved version of
http://lists.busybox.net/pipermail/uclibc/2013-June/047826.html
Signed-off-by: Leonid Lisovskiy <lly.dev@gmail.com>
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Signed-off-by: Leonid Lisovskiy <lly.dev@gmail.com>
Signed-off-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
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If RTLD_NODELETE is passed to dlopen() rather than set on shared
library itself, flag propagation to rtld_flags is missed.
Test-case taken from glibc.
Signed-off-by: Leonid Lisovskiy <lly.dev@gmail.com>
Signed-off-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
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Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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Test case to trigger an issue raised by the new symbol scope design,
that was erroneously removing local symbol scope from the global one
too early while dl-closing a shared library.
Based on original test-case by Khem Raj
Signed-off-by: Filippo Arcidiacono <filippo.arcidiacono@st.com>
Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
Reported-by: Khem Raj <raj.khem@gmail.com>
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dltest and dltest2 do not refer any symbols implemented
in pthread library, so do not explicitly link them with pthread.
It is required only for the shared objects that are loaded
via dlopen by those tests.
Signed-off-by: Filippo Arcidiacono <filippo.arcidiacono@st.com>
Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
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needs -lpthread, recent addition of -z,defs and -z,now exposed this
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
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Test build system modified to be similar to uClibc one:
* test custom logic moved from Makefile to a new Makefile.in (to be included
by Makefile).
* Makefile same for all tests and just used for including all other needed
makefiles.
Signed-off-by: Salvatore Cro <salvatore.cro@st.com>
Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
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