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glibc/dlfcn
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Carlos O'Donell 2827ab990a libc: Extend __libc_freeres framework (Bug 23329). 
The __libc_freeres framework does not extend to non-libc.so objects.
This causes problems in general for valgrind and mtrace detecting
unfreed objects in both libdl.so and libpthread.so.  This change is
a pre-requisite to properly moving the malloc hooks out of malloc
since such a move now requires precise accounting of all allocated
data before destructors are run.

This commit adds a proper hook in libc.so.6 for both libdl.so and
for libpthread.so, this ensures that shm-directory.c which uses
freeit () to free memory is called properly.  We also remove the
nptl_freeres hook and fall back to using weak-ref-and-check idiom
for a loaded libpthread.so, thus making this process similar for
all DSOs.

Lastly we follow best practice and use explicit free calls for
both libdl.so and libpthread.so instead of the generic hook process
which has undefined order.

Tested on x86_64 with no regressions.

Signed-off-by: DJ Delorie <dj@redhat.com>
Signed-off-by: Carlos O'Donell <carlos@redhat.com>
2018-06-29 22:39:06 -04:00
..
bug-atexit1-lib.c [BZ #1158] 2005-09-28 00:14:50 +00:00
bug-atexit1.c Prefer https for Sourceware links 2017-11-16 11:49:26 +05:30
bug-atexit2-lib.c [BZ #1158] 2005-09-28 00:14:50 +00:00
bug-atexit2.c Prefer https for Sourceware links 2017-11-16 11:49:26 +05:30
bug-atexit3-lib.cc support: Introduce new subdirectory for test infrastructure 2016-12-09 08:18:27 +01:00
bug-atexit3.c * dlfcn/Makefile: Add rules to build and run bug-atexit3. 2006-07-27 01:31:43 +00:00
bug-dl-leaf-lib-cb.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
bug-dl-leaf-lib.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
bug-dl-leaf.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
bug-dlopen1.c Update. 2002-02-06 00:28:46 +00:00
bug-dlsym1-lib1.c (foo): Add prototype to avoid warning. 2002-08-23 08:52:49 +00:00
bug-dlsym1-lib2.c 2002-08-21 Roland McGrath <roland@redhat.com> 2002-08-21 23:03:46 +00:00
bug-dlsym1.c 2004-10-18 Roland McGrath <roland@redhat.com> 2004-10-18 18:53:53 +00:00
default.c Remove trailing whitespace. 2013-06-05 20:44:03 +00:00
defaultmod1.c Update. 2003-08-15 03:58:56 +00:00
defaultmod2.c Update. 2003-08-15 03:58:56 +00:00
dladdr1.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
dladdr.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
dlclose.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
dlerror.c libc: Extend __libc_freeres framework (Bug 23329). 2018-06-29 22:39:06 -04:00
dlfcn.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
dlfcn.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
dlfreeres.c libc: Extend __libc_freeres framework (Bug 23329). 2018-06-29 22:39:06 -04:00
dlinfo.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
dlmopen.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
dlopen.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
dlopenold.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
dlsym.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
dlvsym.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
errmsg1.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
errmsg1mod.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
failtest.c Add prototype for foo. 2000-12-27 19:58:36 +00:00
failtestmod.c Fix dlfcn/failtestmod.c warning. 2014-11-27 16:00:08 +00:00
glreflib1.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
glreflib2.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
glreflib3.c [BZ #4775, BZ #4776] 2007-07-12 18:17:11 +00:00
glrefmain.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
Makefile libc: Extend __libc_freeres framework (Bug 23329). 2018-06-29 22:39:06 -04:00
modatexit.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
modcxaatexit.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
moddummy1.c Fix recursive dlopen. 2015-01-21 01:51:10 -05:00
moddummy2.c Fix recursive dlopen. 2015-01-21 01:51:10 -05:00
modstatic2.c Remove --disable-versioning. 2013-09-04 15:25:42 +00:00
modstatic3.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
modstatic5.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
modstatic.c Update. 2001-12-28 16:43:13 +00:00
sdladdr1.c Update. 2004-10-18 23:17:46 +00:00
sdladdr.c Update. 2004-10-18 23:17:46 +00:00
sdlclose.c Update. 2004-10-18 23:17:46 +00:00
sdlerror.c Update. 2004-10-18 23:17:46 +00:00
sdlfreeres.c libc: Extend __libc_freeres framework (Bug 23329). 2018-06-29 22:39:06 -04:00
sdlinfo.c Update. 2004-10-18 23:17:46 +00:00
sdlmopen.c Update. 2004-10-18 23:17:46 +00:00
sdlopen.c Update. 2004-10-18 23:17:46 +00:00
sdlsym.c Update. 2004-10-18 23:17:46 +00:00
sdlvsym.c Update. 2004-10-18 23:17:46 +00:00
tst-dladdr.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-dlinfo.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-rec-dlopen.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tstatexit.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tstcxaatexit.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tststatic2.c Convert dlfcn/tststatic2 to use test-skeleton. 2015-02-27 15:54:33 -08:00
tststatic3.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tststatic4.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tststatic5.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tststatic.c Convert dlfcn/tststatic to use test-skeleton. 2015-03-27 12:55:25 -07:00
Versions libc: Extend __libc_freeres framework (Bug 23329). 2018-06-29 22:39:06 -04:00