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2022-07-26Added support for creation of Static Position-Independent Executables (PIE) ↵linted
on i386, x86_64, and arm. This patch adds the generation of rcrt1.o which is used by gcc when compiling with the --static-pie flag. rcrt1.o differs from crt1.o and Scrt1.o in that it the executable has a dynamic section but no relocations have been performed prior to _start being called. crt1.o assumes there to be no dynamic relocations, and Scrt1.o has all relocations performed prior to execution by lsdo. The new reloc_static_pie function handles parsing the dynamic section, and performing the relocations in a architecture agnostic method. It also sets _dl_load_base which is used when initalizing TLS to ensure loading from the proper location. This allows for easier porting of static-pie support to additional architectures as only modifications to crt1.S to find the load address are required. Signed-off-by: linted <linted@users.noreply.github.com>
2018-02-03add libc version compatibilityWaldemar Brodkorb
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>
2013-02-05buildsys: switch libc to kbuild-styleBernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2012-06-15errno, h_errno: correct them for non-TLSPeter S. Mazinger
Move h_errno related stuff to separate file. Do not hide errno and h_errno for non-TLS, else it keeps being 0. Make __[h_]errno_location weak for non-TLS. Signed-off-by: Peter S. Mazinger <ps.m@gmx.net> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2010-08-05add config parserBernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2010-03-25prettify make cleanBernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2009-08-17support building out-of-treeBernhard Reutner-Fischer
Handle O= Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2008-11-07- less verbose make cleanBernhard Reutner-Fischer
2007-11-23Add some necessary Makefile bits for UCLIBC_FORMAT_FLAT_SEP_DATA.Bernd Schmidt
2007-11-23Some shared flat improvements.Bernd Schmidt
Fix minor errors: - UCLIBC_SHARED_FLAT_ID instead of SHARED_FLAT_ID - use -Wl,-shared-lib-id properly Use libc_so.a as the source for the shared libc, in order to be able to use -mleaf-id-shared-library on the Blackfin.
2006-12-11create new menu so people can select what format they wish to build uClibcMike Frysinger
2006-12-08Richard Sandiford writes: add support for init/fini arrays in shared flat ↵Mike Frysinger
libraries
2006-07-05fixup my copyright notice, trim stale remnants of older notices whichEric Andersen
I had clearly run search/replace on that were cluttering things up.
2006-02-15DOMULTI may be used for libc, the excluded files need work, ↵Peter S. Mazinger
linuxthreads[_db] as well, don't try on slow box
2006-02-13libc-{a,so,multi}-y replaced by libc-y covering common objects both in ↵Peter S. Mazinger
libc.a/libc.so, the diffs go into libc-static-y/libc-shared-y exclusively, add IMA to libc, don't use any MSRC anymore
2005-11-22Forgotten to commitPeter S. Mazinger
2005-11-22remove headers_done since it broke buildroot againMike Frysinger
2005-11-18make -j2 works herePeter S. Mazinger
2005-11-17Include all lib*/Makefile.in in top_srcdir/Makefile.in, allows adding ↵Peter S. Mazinger
foreign objects to a lib
2005-11-04initial import of a nicer output display akin to linux-2.6Mike Frysinger
2005-11-01change .os back to .oS per psmMike Frysinger
2005-10-31produce a .os instead of .oSMike Frysinger
2005-10-29Hopefully correct undefined __libc_stack_end issuePeter S. Mazinger
2005-10-27Moved guard_setup to dl-osinfo.h (used commonly by ldso and libc). Renamed ↵Peter S. Mazinger
to _dl_setup_stack_chk_guard, as in glibc. SSP requires now binutils-2.16.1 and newer. Add NOT_IN_libc/IS_IN_libc. Began using -DSHARED in uClibc_main.c, there are more candidates in there. Move back dl_protect_relro to it's earlier place.
2005-10-25All Makefile.in's. Only arm/i386/mips/powerpc/x86_64 are done, the other ↵Peter S. Mazinger
archs lack proper crt1. The Makefiles in extra/scripts are intended to be linked into each dir, where it is necessary to build locally.
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