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* Merge commit 'origin/master' into nptlAustin Foxley2010-04-141-0/+8
|\ | | | | | | Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
| * ldso: Add config option for controlling LD_PRELOADCarmelo AMOROSO2010-04-141-0/+8
| | | | | | | | | | | | | | | | | | | | | | On hardened system it could be useful to disable the use of LD_PRELOAD environment variable for preloading shared objects before the system libraries. So this patch add a config option, LDSO_PRELOAD_ENV_SUPPORT, to control this behaviour. It is enabled by default. Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
* | silence debug warningBernhard Reutner-Fischer2010-04-121-2/+6
| | | | | | | | | | | | variable 'tmp' set but not used Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
* | whitespace cleanupBernhard Reutner-Fischer2010-04-121-5/+5
| | | | | | | | Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
* | Merge remote branch 'origin/master' into nptlAustin Foxley2010-04-126-13/+6
|\| | | | | | | | | | | | | Conflicts: libc/unistd/confstr.c Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
| * silence warning about undefined preprocessor tokenBernhard Reutner-Fischer2010-04-125-6/+6
| | | | | | | | Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
| * ldso_sh: Provide only one definition for elf_machine_type_classCarmelo Amoroso2010-04-111-7/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It doesn't need to provide different definition of elf_machine_type_class macro depending on TLS support. It also fixes build for sh architecture when thread support is off: CC ldso/ldso/ldso.oS In file included from ./ldso/ldso/sh/dl-sysdep.h:9, from ./ldso/include/dl-string.h:11, from ./ldso/include/ldso.h:40, from ldso/ldso/ldso.c:33: ./include/tls.h:6:22: error: tls.h: No such file or directory make: *** [ldso/ldso/ldso.oS] Error 1 Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
* | Merge commit 'origin/master' into nptlAustin Foxley2010-04-022-4/+4
|\| | | | | | | | | | | | | | | | | | | | | | | Conflicts: Makefile.in extra/Configs/Config.in libc/sysdeps/linux/common/bits/kernel-features.h libc/sysdeps/linux/common/poll.c libc/sysdeps/linux/common/sysdep.h libc/sysdeps/linux/sh/sysdep.h Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
| * prettify make cleanBernhard Reutner-Fischer2010-03-252-4/+4
| | | | | | | | Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
* | x86_64: finish up tls reloc support in ldsoAustin Foxley2010-02-192-8/+28
| | | | | | | | Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
* | Add missing libgcc_s.h header.Khem Raj2010-02-171-1/+0
| | | | | | | | | | | | * Do not include tls.h in aeabi_read_tp.S. Its not needed. Signed-off-by: Khem Raj <raj.khem@gmail.com>
* | ldso: fix USE_TLS checkAustin Foxley2010-02-111-1/+1
| | | | | | | | | | | | this was causing tls symbols to leak into non-tls builds Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
* | Merge commit 'origin/master' into nptlAustin Foxley2010-02-051-0/+5
|\| | | | | | | Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
| * ldso: add missing prototypesBernhard Reutner-Fischer2010-02-051-0/+5
| | | | | | | | Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
| * mips/ldso: Check for TLS relocation in elf_machine_type_class.Khem Raj2010-01-252-16/+35
| | | | | | | | | | | | | | * Store the symbol adress received from _dl_find_hash and do not recompute it. Signed-off-by: Khem Raj <raj.khem@gmail.com>
| * ldso: tweak shadow warning with preload file supportBernhard Reutner-Fischer2010-01-211-5/+4
| | | | | | | | | | | | The stat buffer is already declared at the top of the function. Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
| * mips/nptl: Pass correct parameters to dl_find_hash when resolving TLS ↵Khem Raj2010-01-141-6/+14
| | | | | | | | | | | | | | | | | | relocations. Make use of macros from sys/asm.h in crt1.S These two changes are needed for mips nptl to boot once again. Signed-off-by: Khem Raj <raj.khem@gmail.com>
* | mips/ldso: Check for TLS relocation in elf_machine_type_class.Khem Raj2010-01-252-16/+35
| | | | | | | | | | | | | | * Store the symbol adress received from _dl_find_hash and do not recompute it. Signed-off-by: Khem Raj <raj.khem@gmail.com>
* | ldso: tweak shadow warning with preload file supportBernhard Reutner-Fischer2010-01-211-5/+4
| | | | | | | | | | | | | | | | | | The stat buffer is already declared at the top of the function. Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com> (cherry picked from commit 6140a2a7175a796a7c06119f036357db87a1b865) Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
* | mips/nptl: Pass correct parameters to dl_find_hash when resolving TLS ↵Khem Raj2010-01-211-6/+14
| | | | | | | | | | | | | | | | | | | | | | | | relocations. Make use of macros from sys/asm.h in crt1.S These two changes are needed for mips nptl to boot once again. Signed-off-by: Khem Raj <raj.khem@gmail.com> (cherry picked from commit 9c343fd4030dcd7a52616f365893177dded50346) Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
* | Merge remote branch 'origin/master' into nptlAustin Foxley2009-12-231-1/+1
|\| | | | | | | Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
| * Make _dl_dprintf buf non-static to avoid multithreading bugs.Chris Metcalf2009-12-231-1/+1
| | | | | | | | | | Signed-off-by: Chris Metcalf <cmetcalf@tilera.com> Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
| * check if USE_TLS is defined before useHans-Christian Egtvedt2009-12-176-28/+28
| | | | | | | | | | | | | | | | | | | | | | This patch will convert all the #ifdef USE_TLS and #if USE_TLS to #if defined(USE_TLS) && USE_TLS. By checking if the USE_TLS is defined before checking its value will result in correct behavior for architectures not defining this config symbol. Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com> Acked-by: Carmelo AMOROSO <carmelo.amoroso@st.com>
* | check if USE_TLS is defined before useHans-Christian Egtvedt2009-12-176-28/+28
| | | | | | | | | | | | | | | | | | | | | | This patch will convert all the #ifdef USE_TLS and #if USE_TLS to #if defined(USE_TLS) && USE_TLS. By checking if the USE_TLS is defined before checking its value will result in correct behavior for architectures not defining this config symbol. Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com> Acked-by: Carmelo AMOROSO <carmelo.amoroso@st.com>
* | ldso_tls: Refetch dtv from memory if THREAD_DTV has changedCarmelo Amoroso2009-12-031-1/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | _dl_update_slotinfo might change THREAD_DTV () (if it needs to reallocate it), but the caller (__tls_get_addr) doesn't refetch dtv from memory, it uses its cached copy. This may crash (if dtv[GET_ADDR_MODULE] is off the cliff, or might read uninitialized memory and return it. Typically dtv[GET_ADDR_MODULE].pointer.val is NULL and so __tls_get_addr returns NULL + offset_within_PT_TLS. The next time __tls_get_addr is called for the same library it will return correct address as _dl_update_slotinfo won't need to be called. Signed-off-by: Jakub Jelinek <jakub@redhat.com> Signed-off-by: Filippo Arcidiacono <filippo.arcidiacono@st.com> Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
* | Merge remote branch 'origin/master' into nptlAustin Foxley2009-11-282-13/+14
|\| | | | | | | Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
| * avoid warning about unused variableBernhard Reutner-Fischer2009-11-251-11/+10
| | | | | | | | | | | | If LDSO_SEARCH_INTERP_PATH is off then ptmp wasn't used. Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
| * nommu: use MAP_UNINITIALIZE for mallocsMike Frysinger2009-11-232-2/+2
| | | | | | | | | | | | | | | | | | Now that the kernel supports MAP_UNINITIALIZE, have the malloc places use it to get real uninitialized memory on no-mmu systems. This avoids a lot of normally useless overhead involved in zeroing out all of the memory (sometimes multiple times). Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * ldso: let people disable the implicit path searchMike Frysinger2009-11-221-0/+2
| | | | | | | | Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* | ldso: initialize stack_chk_guard after TLS is initializedNatanael Copa2009-11-271-13/+13
|/ | | | | | | | stack_chk_guard is on thread local storage so we need to init TLS before we can init stack_chk_guard. Signed-off-by: Natanael Copa <natanael.copa@gmail.com> Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
* remove superfluous extra semicolonsBernhard Reutner-Fischer2009-11-201-16/+17
| | | | Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
* ldso: Add missing newlines to some debug messagesBernhard Reutner-Fischer2009-11-158-14/+14
| | | | Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
* ldso: fixup missed variable rename ( tls_tpnt -> tpntp )Austin Foxley2009-10-161-2/+2
| | | | Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
* ldso: drop duplicated/unused definesMike Frysinger2009-10-151-23/+0
| | | | | | | We already include bits/fcntl.h for some of these defines, and most of the bits/stat.h defines are unused. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* ldso: unify and cleanup _dl_mmap codeMike Frysinger2009-10-151-40/+22
| | | | | | The interface should be straight forward now and the same for everyone. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* ldso: define MAP_FAILED for everyoneMike Frysinger2009-10-151-1/+1
| | | | | | This fixes build errors where common code has started using MAP_FAILED. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* ldso: simplify handling of extra _dl_lookup_hash() argMike Frysinger2009-10-152-15/+7
| | | | Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* ldso: clean up breakage in tls mergeMike Frysinger2009-10-1514-159/+137
| | | | | | | | | | The TLS merge 534661b91c9849 introduced multiple style problems as well as random breakage: - missing _dl_free - incomplete parametrization of _dl_lookup_hash - restore FDPIC handling in _dl_lookup_hash Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* ldso: fixup all the rest of the calls to _dl_find_hashAustin Foxley2009-10-147-13/+13
| | | | | | | | With TLS _dl_find_hash grew an extra param. These archs don't have TLS reloc support yet, but they do need to compile without it. Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
* check_ld some more flagsBernhard Reutner-Fischer2009-10-091-1/+1
| | | | | | gold does not currently implement these. Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
* ldso: pull in missing bits/fcntl.h header for O_CLOEXECMike Frysinger2009-10-071-0/+2
| | | | Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* ldso: use O_CLOEXEC for cache fileMike Frysinger2009-10-071-1/+1
| | | | Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* ldso: use MAP_FAILED with ld.so.cacheMike Frysinger2009-10-071-5/+5
| | | | | | | Rather than use our own custom casted -1 value, just use the MAP_FAILED that common code already sets up for us for mmap(). Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* fix coding styleBernhard Reutner-Fischer2009-10-061-25/+16
| | | | | | TODO: use likely/unlikely Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
* commentary typo fixBernhard Reutner-Fischer2009-10-061-2/+2
| | | | Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
* trim whitespaceBernhard Reutner-Fischer2009-10-061-10/+10
| | | | | | and wrap superlong line. Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
* whitespace cleanupBernhard Reutner-Fischer2009-10-061-4/+4
| | | | Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
* mips: fix typo in elfinterp.cAustin Foxley2009-10-041-1/+1
| | | | Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
* ldso/: tls support for dynamic linkerAustin Foxley2009-09-2624-148/+2239
| | | | Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
* support building out-of-treeBernhard Reutner-Fischer2009-08-172-0/+4
| | | | | | Handle O= Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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