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* [BZ #16046] Static dlopen correction fallout fixes.Maciej W. Rozycki2014-01-311-15/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Fixes to address issues from BZ #15022 resolution, as follows: * TLS updates to csu/libc-tls.c -- we now have a proper main map, so there's no longer a need to create a separate fake one to keep TLS structures, * random updates to elf/dl-close.c -- LM_ID_BASE is now a valid name space ID for static executables as well, so assert that we don't unload the main map. Similarly dl_nns isn't supposed to be 0 for static executables anymore, * actual BZ #16046 fix to elf/dl-iteratephdr.c -- the dl_iterate_phdr special function for static executables isn't needed anymore, provided that l_phdr and l_phnum members of the main map have been properly initialized (done in _dl_non_dynamic_init in elf/dl-support.c now), * ld.so.cache loader update to elf/dl-load.c -- GL(dl_ns)[LM_ID_BASE]._ns_loaded is now always initialized in static executables so can become the fallback loader map to check for DF_1_NODEFLIB, provided that the l_flags_1 member of the main map has been properly initialized (done in elf/dl-support.c now); this also ensures previous semantics elsewhere in elf/dl-load.c, * matching updates to elf/dl-support.c -- to complement the two fixes above.
* Update remaining copyright datesAllan McRae2014-01-011-1/+1
| | | | Update copyright years that are not handled by scripts/update-copyright.
* Update copyright notices with scripts/update-copyrightsAllan McRae2014-01-0115-15/+15
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* BZ #15754: CVE-2013-4788Carlos O'Donell2013-09-231-0/+16
| | | | | | | | | | | | The pointer guard used for pointer mangling was not initialized for static applications resulting in the security feature being disabled. The pointer guard is now correctly initialized to a random value for static applications. Existing static applications need to be recompiled to take advantage of the fix. The test tst-ptrguard1-static and tst-ptrguard1 add regression coverage to ensure the pointer guards are sufficiently random and initialized to a default value.
* Fix static-binary lazy FPU context allocationMaciej W. Rozycki2013-09-091-4/+1
| | | | | | | | | | | | | | | | | | | Long ago static startup did not parse the auxiliary vector and therefore could not get at any `AT_FPUCW' tag to check whether upon FPU context allocation the kernel would use a FPU control word setting different to that provided by the `__fpu_control' variable. Static startup therefore always initialized the FPU control word, forcing immediate FPU context allocation even for binaries that otherwise never used the FPU. As from GIT commit f8f900ecb9096ec47f5b7bb7626e29223c69061a static startup supports parsing the auxiliary vector, so now it can avoid explicit initialization of the FPU control word, just as can dynamic startup, in the usual case where the setting written to the FPU control word would be the same as the kernel uses. This defers FPU context allocation until the binary itself actually pokes at the FPU. Note that the `AT_FPUCW' tag is usually absent from the auxiliary vector in which case _FPU_DEFAULT is assumed to be the kernel default.
* Fix then/than typos.Ondřej Bílka2013-08-301-1/+1
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* Fix typos.Ondřej Bílka2013-08-211-1/+1
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* Declare __ehdr_start with hidden visibility.Maciej W. Rozycki2013-04-251-1/+2
| | | | | | | | This avoids a linker bug triggering for MIPS SVR4 binaries: http://sourceware.org/bugzilla/show_bug.cgi?id=15365 and regardless serves as a documentation of intent.
* Use __ehdr_start, if available, as fallback for AT_PHDR.Roland McGrath2013-03-281-0/+18
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* Make _dl_phdr pointer to const.Roland McGrath2013-03-281-1/+1
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* Consolidate declarations of _dl_phdr, _dl_phnum.Roland McGrath2013-03-281-4/+0
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* Add sysdeps/init_array to produce empty crt[in].o and use .preinit_array for ↵Roland McGrath2013-03-122-0/+14
| | | | gcrt1.o
* Revert GLIBC_PTHREAD_DEFAULT_STACKSIZE changes.Carlos O'Donell2013-03-012-3/+3
| | | | | | | This reverts the change that allows the POSIX Thread default stack size to be changed by the environment variable GLIBC_PTHREAD_DEFAULT_STACKSIZE. It has been requested that more discussion happen before this change goes into 2.18.
* Set default stack size from program environmentSiddhesh Poyarekar2013-03-012-3/+3
| | | | New environment variable GLIBC_PTHREAD_DEFAULT_STACKSIZE to do this.
* Add license exception text to gmon-start.Roland McGrath2013-02-271-0/+17
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* Remove bounded-pointers build system support.Joseph Myers2013-02-151-9/+0
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* Remove bp-sym.h and BP_SYM uses from C code.Joseph Myers2013-02-141-2/+1
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* Remove __ptrvalue, __bounded and __unbounded.Joseph Myers2013-02-131-17/+11
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* Remove lots of inline keywords.Roland McGrath2013-02-071-2/+2
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* Remove bp-start.h and INIT_ARGV_and_ENVIRON.Joseph Myers2013-02-011-2/+1
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* Update copyright notices with scripts/update-copyrights.Joseph Myers2013-01-0215-15/+15
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* Update copyright years.David S. Miller2013-01-011-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | * catgets/gencat.c: Update copyright year. * csu/version.c: Likewise. * debug/catchsegv.sh: Likewise. * debug/pcprofiledump.c: Likewise. * debug/xtrace.sh: Likewise. * elf/ldconfig.c: Likewise. * elf/ldd.bash.in: Likewise. * elf/pldd.c: Likewise. * elf/sotruss.ksh: Likewise. * elf/sprof.c: Likewise. * iconv/iconv_prog.c: Likewise. * iconv/iconvconfig.c: Likewise. * locale/programs/locale.c: Likewise. * locale/programs/localedef.c: Likewise. * login/programs/pt_chown.c: Likewise. * malloc/memusage.sh: Likewise. * malloc/memusagestat.c: Likewise. * malloc/mtrace.pl: Likewise. * nscd/nscd.c: Likewise. * nss/getent.c: Likewise. * nss/makedb.c: Likewise. * posix/getconf.c: Likewise.
* Support --with-pkgversion and --with-bugurl.Joseph Myers2012-11-091-2/+2
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* [BZ #5246] Conditionalize use of PTR_DEMANGLE.Thomas Schwinge2012-11-041-0/+2
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* Clean up init-first.c files.Roland McGrath2012-10-011-18/+71
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* Update copyright years in csu/libc-tls.cH.J. Lu2012-09-111-1/+1
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* Remove _dl_initial_dtvH.J. Lu2012-09-061-11/+9
| | | | | | | | | | * csu/libc-tls.c (static_dtv): Renamed to ... (_dl_static_dtv): This. Make it global. (_dl_initial_dtv): Removed. (__libc_setup_tls): Updated. * elf/dl-tls.c (DL_INITIAL_DTV): New macro. (_dl_deallocate_tls): Replace GL(dl_initial_dtv) with DL_INITIAL_DTV.
* Always check dtv before freeing dtv[-1]H.J. Lu2012-09-061-0/+2
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* Fix libc-start change for IRELless machines.Roland McGrath2012-08-221-7/+8
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* Support static IFUNC calls irrespective of USE_MULTIARCH.Roland McGrath2012-08-212-46/+37
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* Delete unused csu/.gitignoreAndreas Jaeger2012-05-191-1/+0
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* Call __ctype_init in early glibc startup.Thomas Schwinge2012-04-021-1/+5
| | | | This adds the bits missing from fd5bdc0924e0cfd1688b632068c1b26f3b0c88da.
* Remove distribute variable from MakefilesUlrich Drepper2012-03-071-2/+0
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* Remove old initfini mechanism.Joseph Myers2012-02-212-74/+2
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* Replace FSF snail mail address with URLs.Paul Eggert2012-02-0915-45/+30
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* Remove have-initfini and need-nopic-initfiniAndreas Schwab2012-02-082-19/+3
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* Support crti.S and crtn.S provided directly by architectures.Joseph Myers2012-02-081-0/+9
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* More fallout from supporting only ELFUlrich Drepper2012-01-081-2/+0
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* Remove non-ELF supportUlrich Drepper2012-01-072-21/+1
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* Update copyright yearUlrich Drepper2012-01-011-2/+2
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* Remove support for !USE___THREADUlrich Drepper2011-09-102-28/+3
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* Cleanup of configuration optionsUlrich Drepper2011-09-102-13/+2
| | | | Make several tool features mandatory and simplify the code.
* Comment typo fix.Roland McGrath2011-07-101-2/+3
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* Update copyright year.Ulrich Drepper2011-01-171-2/+2
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* Fix retrieving of kernel header version.Ulrich Drepper2010-04-041-2/+13
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* Don't take the address of a void object.Richard Henderson2010-03-261-2/+2
| | | | | | | | GCC 4.5 warns about "extern void _end; &end;". Use char[] instead, as that also doesn't fall foul of a target's .sdata optimizations. Signed-off-by: Richard Henderson <rth@twiddle.net>
* Implement handling of libc ABI in ELF header.Ulrich Drepper2010-03-151-2/+6
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* Fix startup to security-relevant statically linked binaries.Ulrich Drepper2009-11-242-6/+21
| | | | | Before the change they crash on startup. Perform IREL relocations earlier to prevent this.
* Fix USE_MULTIARCH conditionalAndreas Schwab2009-10-131-5/+7
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* Fix bookkeeping of static TLS block for TLS_TCB_AT_TP architectures.Ulrich Drepper2009-07-281-4/+5
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