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2017-01-15ARC: ldso: don't use _DYNAMIC@gotpc construct #2Vineet Gupta
This removes _DYNAMIC@gotpc from elf_machine_load_address() This is a seperate commit to callout the fact that old code was actually broken but was NOT caught since it never gets called (and will never be) since ld.so only calls it if kernel doesn't pass AT_BASE auxvt, which is not true for Linux. if (!auxvt[AT_BASE].a_un.a_val) auxvt[AT_BASE].a_un.a_val = elf_machine_load_address(); So while the intent was to remove _DYNAMIC@gotpc construct, we need to come up with something which works. The build time address computation of .dynamic which works well is: - "ld %1, [pcl, _DYNAMIC@gotpc] \n" + "ld %1, [pcl, _GLOBAL_OFFSET_TABLE_@pcl] \n" However the runtime address of .dynamic can only be generated with "add %0, pcl, _DYNAMIC@pcl \n" which unfortunately is what is currently broken as it is converted to i_GLOBAL_OFFSET_TABLE_t and thus refers to runtime address of .got and not .dyanmic Thus we resort to using an arbit symbol _dl_start at the expense of an extra GOT entry and a bogus R_ARC_NONE relo in ldso itself which now needs to be ignored. Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2017-01-15ARC: ldso: don't use _DYNAMIC@gotpc construct #1Vineet Gupta
This converts elf_machine_dynamic() to not use the _DYNAMIC@xx construct which was historically converted by assembler into _GLOBAL_OFFSET_TABLE Now that "hack" is being removed from assembler, we need to make sure that no code relies on that magic "conversion". Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2017-01-14fix gcc compiler warningWaldemar Brodkorb
2017-01-14nptl_db: fix gcc compiler warningsWaldemar Brodkorb
2017-01-14nptl: remove pthread_attr_init/pthread_create weak aliasesWaldemar Brodkorb
We do not support symbol versioning, so remove these weak aliases.
2017-01-14fts: fix gcc compiler warningWaldemar Brodkorb
Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
2017-01-14fnmatch: fix gcc compiler warningsWaldemar Brodkorb
Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
2017-01-14ldso: do not resolve relocations for debug, dig them up when debuggingWaldemar Brodkorb
Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
2017-01-14add wrappers for preadv/pwritevWaldemar Brodkorb
2017-01-14add uchar.h minimal from GNU libcWaldemar Brodkorb
2017-01-14add secure_getenv() functionWaldemar Brodkorb
2017-01-12reformat README and update architecture/processor listWaldemar Brodkorb
2017-01-12use multiline comment for better copyright parsingWaldemar Brodkorb
2017-01-12remove unused strip scriptWaldemar Brodkorb
2017-01-09MAINTAINERS: add Matthew Fortune for MIPSWaldemar Brodkorb
2017-01-05mips: sync with GNU libc, fix mips64r6 n32 compilationWaldemar Brodkorb
2017-01-05ld.so: fix mips{32,64}r6 supportWaldemar Brodkorb
Signed-off-by: Matthew Fortune <Matthew.Fortune@imgtec.com>
2016-12-31argp/iconv needs wchar enabledWaldemar Brodkorb
2016-12-30inet: fix getnameinfo problem found by new test casesWaldemar Brodkorb
Follow documented behaviour: http://man7.org/linux/man-pages/man3/getnameinfo.3.html Sync with GNU libc behaviour.
2016-12-30remove inline changelog, we have gitWaldemar Brodkorb
2016-12-29locale: needs libiconvWaldemar Brodkorb
2016-12-28do not remove iconv.h when UCLIBC_HAS_LOCALE is not setWaldemar Brodkorb
2016-12-28add init_module/delete_module syscall wrappersWaldemar Brodkorb
Add the wrappers unconditionally, because kmod package still uses them.
2016-12-26bump for releasev1.0.21Waldemar Brodkorb
2016-12-26mips: use the common dirent.hWaldemar Brodkorb
2016-12-23remove UCLIBC_LINUX_MODULE_26Waldemar Brodkorb
The syscall wrappers are not required and other C libraries do not provide them. Busybox modutils.c must be patched so that syscall() is used for uClibc-ng. Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
2016-12-21remove misc/gnu, cleanup commentWaldemar Brodkorb
2016-12-21remove obstack supportWaldemar Brodkorb
Remove __UCLIBC_HAS_OBSTACK__ as it isn't very uptodate and maintained part. It shouldn't be required for any software and mostly shipped with stuff which use it. (f.e. binutils-gdb)
2016-12-20remove __MALLOC_GLIBC_COMPAT__ optionWaldemar Brodkorb
This option is enabled for a long time and I see no useful case where we should be incompatible to glibc here.
2016-12-20sys/cdefs.h: add definition of __attribute_alloc_size__Thomas Petazzoni
Commit cee0b058fa0b4501b289a2da365182d60314d746 ("add aligned_alloc required for latest gcc libstdc++") added the prototype of aligned_alloc() to <stdlib.h>. This prototype contains '__attribute_alloc_size__ ((2))', but this is not defined anywhere in uClibc-ng. This commit addresses that by adding the relevant definition in <sys/cdefs.h>, borrowed from glibc. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2016-12-20add stub implementation for libintl/gettextWaldemar Brodkorb
These adds the stubs from gettext-tiny 0.0.5 from here: https://github.com/sabotage-linux/gettext-tiny
2016-12-14add libiconv-tiny implementationWaldemar Brodkorb
To use it enable UCLIBC_HAS_LIBICONV, then iconv_open/iconv_close should be available.
2016-12-10threads: optimize single threaded applicationsWaldemar Brodkorb
Revert the removal of the weak pthread functions and guarantee a link order so that single threaded applications doesn't link in all the pthread functions they don't use. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Tested-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
2016-12-10xtensa: fix static linkingWaldemar Brodkorb
uClibc-ng 1.0.20 fixed static linking with "libdl" by adding all libdl functions into the libc. On xtensa, though, libdl contains an unresolved reference that is satisfied by the ld.so - which is not a part of the linking in a static case. Signed-off-by: Alexey Neyman <stilor@att.net> Acked-by: Max Filippov <jcmvbkbc@gmail.com>
2016-12-10fix static linking for FDPIC toolchainsWaldemar Brodkorb
Fixes following problem, when trying to compile a simple C application statically with a FDPIC toolchain (for example with Blackfin architecture): lib/libc.a(libdl.os): In function `do_dlclose': (.text+0x6be): undefined reference to `_dl_free' ..
2016-12-10bfin: fix a gcc warningWaldemar Brodkorb
2016-12-10include/sys/mman.h: remove madvise/posix_madvise prototypes on noMMUThomas Petazzoni
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2016-12-10libc/sysdeps/linux/common/madvise.c: disable on noMMU architecturesThomas Petazzoni
Similar to what was done in commit 9945c6d21797553e78cbef8034f6dd16b3824df5 for posix_madvise(). Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2016-12-10utils: add -static to CFLAGS when HAVE_SHARED is not setMax Filippov
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2016-12-04bump for releasev1.0.20Waldemar Brodkorb
2016-12-03fix obstack compile issue after libintl/gettext removalWaldemar Brodkorb
2016-12-02nds32: in latest gcc from Andes, this got renamedWaldemar Brodkorb
2016-12-02remove libintl stub and libintl.h headerWaldemar Brodkorb
As __UCLIBC_HAS_GETTEXT_AWARENESS__ is never defined, this is mostly dead code. It is planned to integrate libiconv-tiny and gettext-tiny into uClibc-ng after the next release, so that more software packages can be used without modification. Remove any _/_N macro usage.
2016-11-30NONTLS_INIT_TP is never defined, remove dead codeWaldemar Brodkorb
2016-11-29libpthread: Fix inclusion of unwind code.Ignacy Gawędzki
Since librt and libpthread are now integrated into libc, including unwind-resume and unwind-forcedunwind implementations of unwind code makes no sense. Only unwind-forcedunwind is now included with functions hidden to avoid them overriding the ones from libgcc_s. * libpthread/nptl/sysdeps/generic/unwind-resume.h: New. Define generic PERSONALITY_PROTO and PERSONALITY_ARGS and set HAVE_ARCH_UNWIND_RESUME to 0. * libpthread/nptl/sysdeps/pthread/unwind-resume.c: Move... * libpthread/nptl/sysdeps/generic/unwind-resume.c: ... here. Include generic implementation of _Unwind_Resume on the condition that !HAVE_ARCH_UNWIND_RESUME. Make functions hidden to prevent them from overriding libgcc_s's ones. * libpthread/nptl/sysdeps/pthread/unwind-forcedunwind.c: Likewise. * libpthread/nptl/sysdeps/arm/unwind-resume.h: New. Define ARM-specific PERSONALITY_PROTO and PERSONALITY_ARGS and set HAVE_ARCH_UNWIND_RESUME to 1. * libpthread/nptl/sysdeps/arm/arm-unwind-resume.c, * libpthread/nptl/sysdeps/arm/pt-arm-unwind-resume.c, * libpthread/nptl/sysdeps/arm/rt-arm-unwind-resume.c: New. ARM-specific implementations of _Unwind_Resume resp. for libc, libpthread and librt. * libpthread/nptl/sysdeps/Makefile.commonarch: Remove both arm-unwind-resume and rt-arm-unwind-resume from libpthread_arch_CSRC. * libpthread/nptl/sysdeps/unix/sysv/linux/arm/unwind-forcedunwind.c, * libpthread/nptl/sysdeps/unix/sysv/linux/arm/unwind-resume.c: Remove. Signed-off-by: Ignacy Gawędzki <ignacy.gawedzki@green-communications.fr>
2016-11-29remove libresolv stubWaldemar Brodkorb
2016-11-28posix_madvise not available for noMMUWaldemar Brodkorb
2016-11-27remove UCLIBC_HAS_LFSWaldemar Brodkorb
2016-11-27remove libnsl stubWaldemar Brodkorb
2016-11-27do not define madvise related macros for noMMU targetsWaldemar Brodkorb
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