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* Update copyright dates with scripts/update-copyrightsPaul Eggert2024-01-011-1/+1
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* Update copyright dates with scripts/update-copyrightsJoseph Myers2023-01-061-1/+1
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* elf: Merge dl-sysdep.c into the Linux versionFlorian Weimer2022-02-101-350/+2
| | | | | | | The generic version is the de-facto Linux implementation. It requires an auxiliary vector, so Hurd does not use it. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* Update copyright dates with scripts/update-copyrightsPaul Eggert2022-01-011-1/+1
| | | | | | | | | | | | | | | | | | | | | | | I used these shell commands: ../glibc/scripts/update-copyrights $PWD/../gnulib/build-aux/update-copyright (cd ../glibc && git commit -am"[this commit message]") and then ignored the output, which consisted lines saying "FOO: warning: copyright statement not found" for each of 7061 files FOO. I then removed trailing white space from math/tgmath.h, support/tst-support-open-dev-null-range.c, and sysdeps/x86_64/multiarch/strlen-vec.S, to work around the following obscure pre-commit check failure diagnostics from Savannah. I don't know why I run into these diagnostics whereas others evidently do not. remote: *** 912-#endif remote: *** 913: remote: *** 914- remote: *** error: lines with trailing whitespace found ... remote: *** error: sysdeps/unix/sysv/linux/statx_cp.c: trailing lines
* elf: Remove unused NEED_DL_BASE_ADDR and _dl_base_addrFlorian Weimer2021-12-231-8/+0
| | | | Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* elf: Fix slow DSO sorting behavior in dynamic loader (BZ #17645)Chung-Lin Tang2021-10-211-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This second patch contains the actual implementation of a new sorting algorithm for shared objects in the dynamic loader, which solves the slow behavior that the current "old" algorithm falls into when the DSO set contains circular dependencies. The new algorithm implemented here is simply depth-first search (DFS) to obtain the Reverse-Post Order (RPO) sequence, a topological sort. A new l_visited:1 bitfield is added to struct link_map to more elegantly facilitate such a search. The DFS algorithm is applied to the input maps[nmap-1] backwards towards maps[0]. This has the effect of a more "shallow" recursion depth in general since the input is in BFS. Also, when combined with the natural order of processing l_initfini[] at each node, this creates a resulting output sorting closer to the intuitive "left-to-right" order in most cases. Another notable implementation adjustment related to this _dl_sort_maps change is the removing of two char arrays 'used' and 'done' in _dl_close_worker to represent two per-map attributes. This has been changed to simply use two new bit-fields l_map_used:1, l_map_done:1 added to struct link_map. This also allows discarding the clunky 'used' array sorting that _dl_sort_maps had to sometimes do along the way. Tunable support for switching between different sorting algorithms at runtime is also added. A new tunable 'glibc.rtld.dynamic_sort' with current valid values 1 (old algorithm) and 2 (new DFS algorithm) has been added. At time of commit of this patch, the default setting is 1 (old algorithm). Signed-off-by: Chung-Lin Tang <cltang@codesourcery.com> Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* elf: Fix missing colon in LD_SHOW_AUXV output [BZ #28253]Arjun Shankar2021-08-201-1/+1
| | | | | This commit adds a missing colon in the AT_MINSIGSTKSZ entry in the _dl_show_auxv function.
* elf: Add hook for checking HWCAP bits after auxiliary vector parsingFlorian Weimer2021-05-191-0/+3
| | | | Reviewed-by: Stefan Liebler <stli@linux.ibm.com>
* sysconf: Add _SC_MINSIGSTKSZ/_SC_SIGSTKSZ [BZ #20305]H.J. Lu2021-02-011-0/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add _SC_MINSIGSTKSZ for the minimum signal stack size derived from AT_MINSIGSTKSZ, which is the minimum number of bytes of free stack space required in order to gurantee successful, non-nested handling of a single signal whose handler is an empty function, and _SC_SIGSTKSZ which is the suggested minimum number of bytes of stack space required for a signal stack. If AT_MINSIGSTKSZ isn't available, sysconf (_SC_MINSIGSTKSZ) returns MINSIGSTKSZ. On Linux/x86 with XSAVE, the signal frame used by kernel is composed of the following areas and laid out as: ------------------------------ | alignment padding | ------------------------------ | xsave buffer | ------------------------------ | fsave header (32-bit only) | ------------------------------ | siginfo + ucontext | ------------------------------ Compute AT_MINSIGSTKSZ value as size of xsave buffer + size of fsave header (32-bit only) + size of siginfo and ucontext + alignment padding. If _SC_SIGSTKSZ_SOURCE or _GNU_SOURCE are defined, MINSIGSTKSZ and SIGSTKSZ are redefined as /* Default stack size for a signal handler: sysconf (SC_SIGSTKSZ). */ # undef SIGSTKSZ # define SIGSTKSZ sysconf (_SC_SIGSTKSZ) /* Minimum stack size for a signal handler: SIGSTKSZ. */ # undef MINSIGSTKSZ # define MINSIGSTKSZ SIGSTKSZ Compilation will fail if the source assumes constant MINSIGSTKSZ or SIGSTKSZ. The reason for not simply increasing the kernel's MINSIGSTKSZ #define (apart from the fact that it is rarely used, due to glibc's shadowing definitions) was that userspace binaries will have baked in the old value of the constant and may be making assumptions about it. For example, the type (char [MINSIGSTKSZ]) changes if this #define changes. This could be a problem if an newly built library tries to memcpy() or dump such an object defined by and old binary. Bounds-checking and the stack sizes passed to things like sigaltstack() and makecontext() could similarly go wrong.
* Update copyright dates with scripts/update-copyrightsPaul Eggert2021-01-021-1/+1
| | | | | | | | | | | | | | | | I used these shell commands: ../glibc/scripts/update-copyrights $PWD/../gnulib/build-aux/update-copyright (cd ../glibc && git commit -am"[this commit message]") and then ignored the output, which consisted lines saying "FOO: warning: copyright statement not found" for each of 6694 files FOO. I then removed trailing white space from benchtests/bench-pthread-locks.c and iconvdata/tst-iconv-big5-hkscs-to-2ucs4.c, to work around this diagnostic from Savannah: remote: *** pre-commit check failed ... remote: *** error: lines with trailing whitespace found remote: error: hook declined to update refs/heads/master
* Replace __libc_multiple_libcs with __libc_initial flagFlorian Weimer2020-12-161-2/+0
| | | | | | | | | | | | | | Change sbrk to fail for !__libc_initial (in the generic implementation). As a result, sbrk is (relatively) safe to use for the __libc_initial case (from the main libc). It is therefore no longer necessary to avoid using it in that case (or updating the brk cache), and the __libc_initial flag does not need to be updated as part of dlmopen or static dlopen. As before, direct brk system calls on Linux may lead to memory corruption. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* powerpc: Move cache line size to rtld_global_roTulio Magno Quites Machado Filho2020-01-171-2/+1
| | | | | | | | | | | | | | GCC 10.0 enabled -fno-common by default and this started to point that __cache_line_size had been implemented in 2 different places: loader and libc. In order to avoid this duplication, the libc variable has been removed and the loader variable is moved to rtld_global_ro. File sysdeps/unix/sysv/linux/powerpc/dl-auxv.h has been added in order to reuse code for both static and dynamic linking scenarios. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
* Update copyright dates with scripts/update-copyrights.Joseph Myers2020-01-011-1/+1
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* Prefer https to http for gnu.org and fsf.org URLsPaul Eggert2019-09-071-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Also, change sources.redhat.com to sourceware.org. This patch was automatically generated by running the following shell script, which uses GNU sed, and which avoids modifying files imported from upstream: sed -ri ' s,(http|ftp)(://(.*\.)?(gnu|fsf|sourceware)\.org($|[^.]|\.[^a-z])),https\2,g s,(http|ftp)(://(.*\.)?)sources\.redhat\.com($|[^.]|\.[^a-z]),https\2sourceware.org\4,g ' \ $(find $(git ls-files) -prune -type f \ ! -name '*.po' \ ! -name 'ChangeLog*' \ ! -path COPYING ! -path COPYING.LIB \ ! -path manual/fdl-1.3.texi ! -path manual/lgpl-2.1.texi \ ! -path manual/texinfo.tex ! -path scripts/config.guess \ ! -path scripts/config.sub ! -path scripts/install-sh \ ! -path scripts/mkinstalldirs ! -path scripts/move-if-change \ ! -path INSTALL ! -path locale/programs/charmap-kw.h \ ! -path po/libc.pot ! -path sysdeps/gnu/errlist.c \ ! '(' -name configure \ -execdir test -f configure.ac -o -f configure.in ';' ')' \ ! '(' -name preconfigure \ -execdir test -f preconfigure.ac ';' ')' \ -print) and then by running 'make dist-prepare' to regenerate files built from the altered files, and then executing the following to cleanup: chmod a+x sysdeps/unix/sysv/linux/riscv/configure # Omit irrelevant whitespace and comment-only changes, # perhaps from a slightly-different Autoconf version. git checkout -f \ sysdeps/csky/configure \ sysdeps/hppa/configure \ sysdeps/riscv/configure \ sysdeps/unix/sysv/linux/csky/configure # Omit changes that caused a pre-commit check to fail like this: # remote: *** error: sysdeps/powerpc/powerpc64/ppc-mcount.S: trailing lines git checkout -f \ sysdeps/powerpc/powerpc64/ppc-mcount.S \ sysdeps/unix/sysv/linux/s390/s390-64/syscall.S # Omit change that caused a pre-commit check to fail like this: # remote: *** error: sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S: last line does not end in newline git checkout -f sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S
* Fix output of LD_SHOW_AUXV=1.Stefan Liebler2019-03-131-8/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Starting with commit 1616d034b61622836d3a36af53dcfca7624c844e the output was corrupted on some platforms as _dl_procinfo was called for every auxv entry and on some architectures like s390 all entries were represented as "AT_HWCAP". This patch is removing the condition and let _dl_procinfo decide if an entry is printed in a platform specific or generic way. This patch also adjusts all _dl_procinfo implementations which assumed that they are only called for AT_HWCAP or AT_HWCAP2. They are now just returning a non-zero-value for entries which are not handled platform specifc. ChangeLog: * elf/dl-sysdep.c (_dl_show_auxv): Remove condition and always call _dl_procinfo. * sysdeps/unix/sysv/linux/s390/dl-procinfo.h (_dl_procinfo): Ignore types other than AT_HWCAP. * sysdeps/sparc/dl-procinfo.h (_dl_procinfo): Likewise. * sysdeps/unix/sysv/linux/i386/dl-procinfo.h (_dl_procinfo): Likewise. * sysdeps/powerpc/dl-procinfo.h (_dl_procinfo): Adjust comment in the case of falling back to generic output mechanism. * sysdeps/unix/sysv/linux/arm/dl-procinfo.h (_dl_procinfo): Likewise.
* Update copyright dates with scripts/update-copyrights.Joseph Myers2019-01-011-1/+1
| | | | | | | * All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
* Print cache size and geometry auxv types on LD_SHOW_AUXV=1Tulio Magno Quites Machado Filho2018-12-191-29/+39
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add support for AT_L1I_CACHESIZE, AT_L1I_CACHEGEOMETRY, AT_L1D_CACHESIZE, AT_L1D_CACHEGEOMETRY, AT_L2_CACHESIZE, AT_L2_CACHEGEOMETRY, AT_L3_CACHESIZE and AT_L3_CACHEGEOMETRY when LD_SHOW_AUXV=1. AT_L*_CACHESIZE is printed as decimal and represent the number of bytes of the cache. AT_L*_CACHEGEOMETRY is treated in order to specify the cache line size and its associativity. Example output from a POWER8: AT_L1I_CACHESIZE: 32768 AT_L1I_CACHEGEOMETRY: 128B line size, 8-way set associative AT_L1D_CACHESIZE: 65536 AT_L1D_CACHEGEOMETRY: 128B line size, 8-way set associative AT_L2_CACHESIZE: 524288 AT_L2_CACHEGEOMETRY: 128B line size, 8-way set associative AT_L3_CACHESIZE: 8388608 AT_L3_CACHEGEOMETRY: 128B line size, 8-way set associative Some of the new types are longer than the previous ones, requiring to increase the indentation in order to keep the values aligned. * elf/dl-sysdep.c (auxvars): Add AT_L1I_CACHESIZE, AT_L1I_CACHEGEOMETRY, AT_L1D_CACHESIZE, AT_L1D_CACHEGEOMETRY, AT_L2_CACHESIZE, AT_L2_CACHEGEOMETRY, AT_L3_CACHESIZE and AT_L3_CACHEGEOMETRY. Fix indentation when printing the other fields. (_dl_show_auxv): Give a special treatment to AT_L1I_CACHEGEOMETRY, AT_L1D_CACHEGEOMETRY, AT_L2_CACHEGEOMETRY and AT_L3_CACHEGEOMETRY. * sysdeps/powerpc/dl-procinfo.h (cache_geometry): New function. (_dl_procinfo): Fix indentation when printing AT_HWCAP and AT_HWCAP2. Add support for AT_L1I_CACHEGEOMETRY, AT_L1D_CACHEGEOMETRY, AT_L2_CACHEGEOMETRY and AT_L3_CACHEGEOMETRY. Signed-off-by: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>
* Update copyright dates with scripts/update-copyrights.Joseph Myers2018-01-011-1/+1
| | | | | | | * All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
* elf: Remove internal_function attributeFlorian Weimer2017-08-311-2/+0
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* Mark __libc_multiple_libcs with attribute_hidden [BZ #18822]H.J. Lu2017-08-211-1/+1
| | | | | | | | | | | | | | | Since __libc_multiple_libcs is defined as hidden symbol in init-first.c, it should be always marked with attribute_hidden. [BZ #18822] * csu/libc-start.c (__libc_multiple_libcs): Removed. * elf/dl-open.c: Include <libc-internal.h>. (__libc_multiple_libcs): Removed. * elf/dl-sysdep.c: Include <libc-internal.h> instead of <hp-timing.h>. * include/libc-internal.h (__libc_multiple_libcs): New. * misc/sbrk.c: Include <libc-internal.h>. (__libc_multiple_libcs): Removed.
* Update copyright dates with scripts/update-copyrights.Joseph Myers2017-01-011-1/+1
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* Add framework for tunablesSiddhesh Poyarekar2016-12-311-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The tunables framework allows us to uniformly manage and expose global variables inside glibc as switches to users. tunables/README has instructions for glibc developers to add new tunables. Tunables support can be enabled by passing the --enable-tunables configure flag to the configure script. This patch only adds a framework and does not pose any limitations on how tunable values are read from the user. It also adds environment variables used in malloc behaviour tweaking to the tunables framework as a PoC of the compatibility interface. * manual/install.texi: Add --enable-tunables option. * INSTALL: Regenerate. * README.tunables: New file. * Makeconfig (CPPFLAGS): Define TOP_NAMESPACE. (before-compile): Generate dl-tunable-list.h early. * config.h.in: Add HAVE_TUNABLES. * config.make.in: Add have-tunables. * configure.ac: Add --enable-tunables option. * configure: Regenerate. * csu/init-first.c (__libc_init_first): Move __libc_init_secure earlier... * csu/init-first.c (LIBC_START_MAIN):... to here. Include dl-tunables.h, libc-internal.h. (LIBC_START_MAIN) [!SHARED]: Initialize tunables for static binaries. * elf/Makefile (dl-routines): Add dl-tunables. * elf/Versions (ld): Add __tunable_set_val to GLIBC_PRIVATE namespace. * elf/dl-support (_dl_nondynamic_init): Unset MALLOC_CHECK_ only when !HAVE_TUNABLES. * elf/rtld.c (process_envvars): Likewise. * elf/dl-sysdep.c [HAVE_TUNABLES]: Include dl-tunables.h (_dl_sysdep_start): Call __tunables_init. * elf/dl-tunable-types.h: New file. * elf/dl-tunables.c: New file. * elf/dl-tunables.h: New file. * elf/dl-tunables.list: New file. * malloc/tst-malloc-usable-static.c: New test case. * malloc/Makefile (tests-static): Add it. * malloc/arena.c [HAVE_TUNABLES]: Include dl-tunables.h. Define TUNABLE_NAMESPACE. (DL_TUNABLE_CALLBACK (set_mallopt_check)): New function. (DL_TUNABLE_CALLBACK_FNDECL): New macro. Use it to define callback functions. (ptmalloc_init): Set tunable values. * scripts/gen-tunables.awk: New file. * sysdeps/mach/hurd/dl-sysdep.c: Include dl-tunables.h. (_dl_sysdep_start): Call __tunables_init.
* Update copyright dates with scripts/update-copyrights.Joseph Myers2016-01-041-1/+1
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* Update copyright dates with scripts/update-copyrights.Joseph Myers2015-01-021-1/+1
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* Don't use INTDEF/INTUSE with _dl_argv (bug 14132).Joseph Myers2014-11-041-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Continuing the removal of the obsolete INTDEF / INTUSE mechanism, this patch replaces its use for _dl_argv with rtld_hidden_data_def and rtld_hidden_proto. Some places in .S files that previously used _dl_argv_internal or INTUSE(_dl_argv) now use __GI__dl_argv directly (there are plenty of existing examples of such direct use of __GI_*). A single place in rtld.c previously used _dl_argv without INTUSE, apparently accidentally, while the rtld_hidden_proto mechanism avoids such accidential omissions. As a consequence, this patch *does* change the contents of stripped ld.so. However, the installed stripped shared libraries are identical to those you get if instead of this patch you change that single _dl_argv use to use INTUSE, without any other changes. Tested for x86_64 (testsuite as well as comparison of installed stripped shared libraries as described above). [BZ #14132] * sysdeps/generic/ldsodefs.h (_dl_argv): Use rtld_hidden_proto. [IS_IN_rtld] (_dl_argv_internal): Do not declare. (rtld_progname): Make macro definition unconditional. * elf/rtld.c (_dl_argv): Use rtld_hidden_data_def instead of INTDEF. (dlmopen_doit): Do not use INTUSE with _dl_argv. (dl_main): Likewise. * elf/dl-sysdep.c (_dl_sysdep_start): Likewise. * sysdeps/alpha/dl-machine.h (RTLD_START): Use __GI__dl_argv instead of _dl_argv_internal. * sysdeps/powerpc/powerpc32/dl-start.S (_dl_start_user): Use __GI__dl_argv instead of INTUSE(_dl_argv). * sysdeps/powerpc/powerpc64/dl-machine.h (RTLD_START): Use __GI__dl_argv instead of _dl_argv_internal.
* Don't use INTVARDEF/INTUSE with __libc_enable_secure (bug 14132).Joseph Myers2014-10-101-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Continuing the removal of the obsolete INTDEF / INTVARDEF / INTUSE mechanism, this patch replaces its use for __libc_enable_secure with the use of rtld_hidden_data_def and rtld_hidden_proto. Tested for x86_64 that installed stripped shared libraries are unchanged by the patch. [BZ #14132] * elf/dl-sysdep.c (__libc_enable_secure): Use rtld_hidden_data_def instead of INTVARDEF. (_dl_sysdep_start): Do not use INTUSE with __libc_enable_secure. * sysdeps/mach/hurd/dl-sysdep.c (__libc_enable_secure): Use rtld_hidden_data_def instead of INTVARDEF. (_dl_sysdep_start): Do not use INTUSE with __libc_enable_secure. * elf/dl-deps.c (expand_dst): Likewise. * elf/dl-load.c (_dl_dst_count): Likewise. (_dl_dst_substitute): Likewise. (decompose_rpath): Likewise. (_dl_init_paths): Likewise. (open_path): Likewise. (_dl_map_object): Likewise. * elf/rtld.c (dl_main): Likewise. (process_dl_audit): Likewise. (process_envvars): Likewise. * include/unistd.h [IS_IN_rtld] (__libc_enable_secure_internal): Remove declaration. (__libc_enable_secure): Use rtld_hidden_proto.
* Update copyright notices with scripts/update-copyrightsAllan McRae2014-01-011-1/+1
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* Add GLRO(dl_hwcap2) for new AT_HWCAP2 auxv_t a_type.Ryan S. Arnold2013-06-281-3/+7
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* Fix NEED_DL_SYSINFO{,_DSO} conditionalization in _dl_sysdep_start.Roland McGrath2013-05-031-4/+9
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* Fix NEED_DL_SYSINFO_DSO conditionals.Roland McGrath2013-03-011-1/+1
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* Update copyright notices with scripts/update-copyrights.Joseph Myers2013-01-021-1/+1
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* Move _dl_important_hwcaps to dl-hwcaps.cH.J. Lu2012-10-051-254/+0
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* Conditionalize elf/dl-sysdep.c contents on [SHARED].Roland McGrath2012-09-281-2/+9
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* Fix conditional on using DSOCAPS to match condition on defining it.Roland McGrath2012-08-201-1/+1
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* Add <sys/auxv.h> and getauxval.Richard Henderson2012-05-201-5/+4
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* For PR 14055, add bounds check to _dl_show_auxv().Paul Pluzhnikov2012-05-021-2/+4
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* Move stdio-common/_itoa.h to sysdeps/genericH.J. Lu2012-03-201-1/+1
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* Replace FSF snail mail address with URLs.Paul Eggert2012-02-091-3/+2
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* Fix vDSO synthetic hwcap handling so they are not masked out from ↵Roland McGrath2010-07-201-0/+5
| | | | ld.so.cache matching.
* Don't take the address of a void object.Richard Henderson2010-03-261-3/+3
| | | | | | | | 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>
* ld.so: Adjust the auxv if ld.so is directly invoked.Andreas Krebbel2010-01-151-5/+5
| | | | | | | | If a binary gets invoked by passing it as argument to ld.so the stack still holds the auxiliary vector of ld.so when entering the _start routine of the executable. So the invocation via ld.so is not fully transparent to the executable. This causes problems if the executable wants to scan the auxv itself.
* Use NT_GNU_HWCAP instead of literal 2.Roland McGrath2010-01-071-2/+3
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* Terminate correct buffer.Ulrich Drepper2009-06-031-1/+1
| | | | Little typo could cause additional characters to be printed.
* * elf/dl-sysdep.c (_dl_show_auxv): Add support for AT_BASE_PLATFORM.Ulrich Drepper2009-03-141-29/+30
| | | | * elf/dl-sysdep.c (auxvars): Compress data structure.
* * sysdeps/generic/dl-osinfo.h (_dl_setup_stack_chk_guard): TakeUlrich Drepper2009-01-111-1/+6
| | | | | | | | | | | | | | | | | | | one parameter. If non-NULL use it to initialize return value. (_dl_setup_pointer_guard): New function. * sysdeps/unix/sysv/linux/dl-osinfo.h: Likewise. * sysdeps/generic/ldsodefs.h: Declare _dl_random. * elf/rtld.c (security_init): Pass _dl_random to _dl_setup_stack_chk_guard. Call _dl_setup_pointer_guard to initialize pointer_chk_guard. * elf/dl-sysdep.c (_dl_random): New variable. (_dl_sysdep_start): Handle AT_RANDOM. (_dl_show_auxv): Likewise. * elf/dl-support.c (_dl_random): New variable. (_dl_aux_init): Handle AT_RANDOM. * csu/libc-start.c [!SHARED] (libc_start_main): Pass _dl_random to _dl_setup_stack_chk_guard. * elf/elf.h (AT_RANDOM): Define AT_BASE_PLATFORM and AT_RANDOM.
* * sysdeps/unix/sysv/linux/dl-origin.c (_dl_get_origin): Undo allUlrich Drepper2008-08-141-3/+0
| | | | | | | | | | change related to AT_EXECFN. We cannot use that string. * sysdeps/generic/ldsodefs.h (struct rtld_global_ro): Remove _dl_execfn member. * elf/dl-support.c: Remove _dl_execfn variable. (_dl_aux_init): Remove handling of AT_EXECFN. * elf/dl-sysdep.c (_dl_sysdep_start): Remove handling of AT_EXECFN. * elf/rtld.c (process_envvars): Remove use of __ASSUME_AT_EXECFN.
* 2008-07-28 Roland McGrath <roland@redhat.com>Roland McGrath2008-07-291-0/+1
| | | | * elf/dl-sysdep.c (_dl_show_auxv): Add AT_EXECFN to the table.
* * elf/elf.h: Define AT_EXECFN.Ulrich Drepper2008-07-241-0/+3
| | | | | | | | | | | | | | | | * elf/rtld.c [!__ASSUME_AT_EXECFN] (process_envvars): Don't handle LD_ORIGIN_PATH. * elf/dl-sysdep.c (_dl_sysdep_start): Handle AT_EXECFN. * elf/dl-support.c: Define _dl_execfn. Don't define _dl_origin_path if __ASSUME_AT_EXECFN is defined. (_dl_aux_init): Handle AT_EXECFN. * sysdeps/unix/sysv/linux/kernel-features.h: Define __ASSUME_AT_EXECFN for 2.6.27 and up. * sysdeps/generic/ldsodefs.h (rtld_global_ro): Add _dl_execfn. Don't define _dl_origin_path if __ASSUME_AT_EXECFN is defined. * sysdeps/unix/sysv/linux/dl-origin.c (_dl_get_origin): Use _dl_execfn if available and avoid compatibility code if __ASSUME_AT_EXECFN is defined.
* [BZ #5786]Ulrich Drepper2008-03-081-1/+2
| | | | | | | | | | | | | * elf/dl-sysdep.c: Undefine ROUND after use. * sysdeps/generic/ldsodefs.h [HAVE_DL_DISCOVER_OSVERSION] (struct rtld_global_ro): Add _dl_tls_get_addr_soft element. * elf/rtld.c (rtld_global_ro): Initialize _dl_discover_osversion. * sysdeps/unix/sysv/linux/dl-osinfo.h: Move _dl_discover_osversion to ... * sysdeps/unix/sysv/linux/dl-sysdep.c: ...here. * sysdeps/unix/sysv/linux/dl-sysdep.h: Declare _dl_discover_osversion if necessary. * sysdeps/unix/sysv/linux/sysconf.c: Handle _SC_ARG_MAX here.
* Fix typo.Ulrich Drepper2007-07-041-1/+1
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