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2018-08-10rtld: Add FDPIC code for armChristophe Lyon
Add FDPIC dynamic relocations support, similar to what other FDPIC targets do. Lazy binding is implemented in a folllow-up patch. Disable the SEND* macros because they involve relocations to access constant strings that are unsupported by the existing arm version. Define DL_START, START, ARCH_NEEDS_BOOTSTRAP_RELOCS, DL_CHECK_LIB_TYPE similarly to what other FDPIC targets do. Define raise() because _dl_find_hash references __aeabi_uidivmod, which uses __aeabi_idiv0 which in turn references raise. * include/elf.h (R_ARM_FUNCDESC): Define. (R_ARM_FUNCDESC_VALUE): Define. * ldso/include/dl-string.h (SEND_STDERR, SEND_ADDRESS_STDERR) (SEND_NUMBER_STDERR): Define empty for __FDPIC__. * ldso/ldso/arm/dl-inlines.h: New file. * ldso/ldso/arm/dl-startup.h (PERFORM_BOOTSTRAP_RELOC): Fix type of load_addr. Fix handling of R_ARM_RELATIVE, add support for R_ARM_FUNCDESC_VALUE. (DL_START, START): Define for __FDPIC__. (raise): Define. * ldso/ldso/arm/dl-sysdep.h (ARCH_NEEDS_BOOTSTRAP_RELOCS): Define. (DL_CHECK_LIB_TYPE): Define. (elf_machine_type_class): Take into account FDPIC related relocations. (elf_machine_load_address): Support __FDPIC__. (elf_machine_relative): Likewise. * ldso/ldso/arm/elfinterp.c (_dl_linux_resolver): Dummy support for __FDPIC__, implemented in a later patch. (_dl_do_reloc): Fix reloc_adr computation for __FDPIC__, fix handling of local symbols. Fix handling of R_ARM_RELATIVE, add support for R_ARM_FUNCDESC_VALUE, R_ARM_FUNCDESC. * ldso/ldso/arm/resolve.S: Make _dl_linux_resolve hidden. * ldso/ldso/fdpic/dl-inlines.h (htab_delete): Declare. * libc/sysdeps/linux/arm/bits/elf-fdpic.h: New file, similar to bfin's. * libc/sysdeps/linux/arm/crtreloc.c: Likewise. * libc/sysdeps/linux/arm/find_exidx.c (__dl_addr_in_loadaddr) Define. (find_exidx_callback): Support __FDPIC__. Signed-off-by: Mickaël Guêné <mickael.guene@st.com> Signed-off-by: Christophe Lyon <christophe.lyon@st.com>
2018-06-29elf.h: add some missing definesWaldemar Brodkorb
2018-01-20include/elf.h: sync with GNU C libraryWaldemar Brodkorb
Add NT_GNU_BUILD_ID and other defines to allow applications using it to successfully compile. (f.e. firefox)
2017-12-31m68k: add NPTL/TLS supportWaldemar Brodkorb
Port over NPTL/TLS support from GNU C Library. In the first step only the slower syscall is used for TLS access. The uClibc-ng testsuite shows 79 errors, so their is room for bugfixes and improvements.
2017-11-19csky: port to uclibc-ngGuo Ren
Follow the steps to build c-sky uclibc linux system: 1. git clone https://github.com/c-sky/buildroot.git 2. cd buildroot 3. make qemu_csky_ck810_uclibc_defconfig 4. make Follow the buildroot/board/qemu/csky/readme.txt to run. This buildroot toolchain is pre-build, But you can rebuild the c-sky uclibc-ng alone and install it to the buildroot sysroot manually. We'll try our best to improve the uclibc-ng continuously. Signed-off-by: Guo Ren <ren_guo@c-sky.com>
2017-05-14or1k: add NPTL/TLS supportWaldemar Brodkorb
Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
2017-02-01add experimental aarch64 supportWaldemar Brodkorb
Ported over from GNU C Library and runtime tested in Qemu.
2017-01-22nds32: add NPTL/TLS, *context function, libm changes and code cleanupVincent Ren-Wei Chen
This commit includes following features. 1. Support NPTL/TLS 2. Add libm function which is used to handle FP rounding and excpetions (ex: fclrexcpt,fedisblxcpti,feenablxcpt... ) 3. Add *context function for operating user context (ex: setcontext,getcontext,makecontext... ) 4. Change the return flow from signal handler 5. Cleanup of old code The testsuite only has 2 errors, tst-cpuclock1 and tst-cputimer1, which are related to timing accuracy. (math and locale tests are disabled) Signed-off-by: Vincent Ren-Wei Chen <vincentc@andestech.com>
2016-11-04nios2: sync support with glibcWaldemar Brodkorb
Only static linking is supported for now. More debugging and analyzing for ld.so, TLS and NPTL is required. But at least you can bootup a static root fileystem in Qemu.
2016-11-03microblaze: add NPTL/TLS support from GNU libcWaldemar Brodkorb
Not perfect, but a starting point. Some tests of the test suite are failing.
2016-06-30nds32: add support for new architectureWaldemar Brodkorb
Add support for Andes Technology NDS32 architecture. See here http://www.andestech.com/en/index/index.htm for more informaton. Verification of the port from an older uClibc port was done on a sponsored AG101p board. The testsuite only has 5 errors, three are related to an existing bug in dlclose() with LT.old, also happening on cris32 and m68k. Failures to fallocate/posix_fallocate are unresolved. Thanks to Andes Technology sponsoring the hardware and being very helpful while doing the uClibc-ng porting. Signed-off-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
2016-05-24microblaze: fix ELF detection in ld.soWaldemar Brodkorb
2016-01-02remove deprecated architectures v850/i960Waldemar Brodkorb
Both architectures are more or less deprecated. No Linux upstream support, no gcc support for uClinux.
2015-10-09add new architecture support for or1kWaldemar Brodkorb
Information about Openrisc: http://opencores.org/or1k/Main_Page Integrated from: https://github.com/openrisc/uClibc-or1k
2015-03-11add defines from GNU libc to fix ltrace compileWaldemar Brodkorb
Closes ticket #4. http://www.uclibc-ng.org/trac/ticket/4
2015-02-20sync with uClibcWaldemar Brodkorb
2015-02-20ARC: Remove unused EM_ARC_A5Vineet Gupta
Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-02-20include/elf.h: bump EM_NUMBernhard Reutner-Fischer
and remove a few ancient entries Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-02-20elf: Add STT_GNU_IFUNC from glibcVineet Gupta
perf in upstream Linux kernel 3.17 onwards expects STT_GNU_IFUNC replicate it from glibc Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-02-20ARCv2 ISA supportVineet Gupta
This is next gen Instruction Set Architecture from Synopsys and basis for the ARC HS family of processors. http://www.synopsys.com/dw/ipdir.php?ds=arc-hs38-processor&elq_mid=5732&elq_cid=458802 http://www.synopsys.com/IP/ProcessorIP/ARCProcessors/arc-hs/Pages/default.aspx Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-09-22xtensa: add support for NPTLWaldemar Brodkorb
Changes from: https://github.com/foss-xtensa/uClibc/commits/xtensa_nptl Author: Chris Zankel <chris@zankel.net> Author: Baruch Siach <baruch@tkos.co.il>
2014-08-18NPTL: ARC supportVineet Gupta
Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2013-12-23elf: Add ARC Magic and RelocationsVineet Gupta
Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2013-03-14metag: Add NPTL supportMarkos Chandras
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2013-03-14elf: Add ELF magic number and relocations for the Meta architectureMarkos Chandras
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2012-11-18Replace FSF snail mail address with URLsMike Frysinger
This matches a similar change made to glibc. No functional changes here. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2012-11-16include/elf.h: update for ELFOSABI_* changes.Thomas Schwinge
ELFOSABI_GNU replaces ELFOSABI_LINUX, the latter is kept as a compatibility alias, and ELFOSABI_HURD is removed. See the table on <http://www.sco.com/developers/gabi/latest/ch4.eheader.html#osabi> for reference. Signed-off-by: Thomas Schwinge <thomas@codesourcery.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2011-10-06microblaze mmu/elf/shared lib supportRyan Flux
microblaze can either be with mmu or without If with, use elf rather than flat, and support shared libs Signed-off-by: Ryan Flux <ryan.flux@emsolutions.com.au> Signed-off-by: Steve Bennett <steveb@workware.net.au> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2011-03-05The C6X portAurelien Jacquiot
This adds support for the TI C6X family of processors. Signed-off-by: Mark Salter <msalter@redhat.com> Signed-off-by: Aurelien Jacquiot <a-jacquiot@ti.com> Signed-off-by: Bernd Schmidt <bernds@codesourcery.com>
2009-11-17correct documentationBernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2009-07-05Add a few missing includesRon
elf.h needs __BYTE_ORDER, and s_scalbn.c needs {LONG,INT}_MAX. shm.c complains about no prototypes for shm_{open,unlink} without its header. Signed-off-by: Ron Lee <ron@debian.org> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-06-01Blackfin: make sure all relocs are uppercaseMike Frysinger
This is to match changes in the toolchain. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-02-10do not rely on features.h so that elf.h can be used on non-elf systems ↵Mike Frysinger
(Darwin, Windows, etc...)
2009-01-11replace yet another _dl_malloc + _dl_memset with _dl_zallocDenis Vlasenko
2009-01-10simple optimizations and style fixes in dynamic loadingDenis Vlasenko
text data bss dec hex filename - 16709 240 92 17041 4291 lib/ld-uClibc.so + 16634 236 92 16962 4242 lib/ld-uClibc.so - 4602 344 4 4950 1356 lib/libdl-0.9.30-svn.so + 4571 328 4 4903 1327 lib/libdl-0.9.30-svn.so - 4602 344 4 4950 1356 lib/libdl.so + 4571 328 4 4903 1327 lib/libdl.so
2008-12-31Merge some pre-work from branch, needed by NPTL.Khem Raj
2008-12-29- whitespace cleanup; no obj-code changesBernhard Reutner-Fischer
2008-12-22- non-pic support for MIPS (Catherine Moore, clm at codesourcery com)Bernhard Reutner-Fischer
2008-01-05Chris Zankel writes:Mike Frysinger
The following patches add support for the Xtensa processor architecture to uClibc. They are based on a recent SVN checkout (12/05/2007). The first patch (attached to this post) adds Xtensa support to various shared configuration and make files. The following patches then include the Xtensa specific files and directories. I welcome any feedback and would appreciate it if you could include the patches into the mainline tree. I am certainly committed to maintain the port. Bob Wilson was kind enough to review the patches. Some notes about the architecture: Xtensa is a configurable and extensible processor architecture developed by Tensilica. For more information, please visit: www.linux-xtensa.org.
2008-01-05give EM_AVR32 a little commentMike Frysinger
2007-11-16Added AVR32 support to uClibc. Signed-off-by: Hans-Christian Egtvedt ↵Carmelo Amoroso
<hcegtvedt@atmel.com>
2007-11-07Added support for GNU hash style into dynamic linkerCarmelo Amoroso
2006-11-17Bernd Schmidt writes: [blackfin updates] add support for FDPIC and include ↵Mike Frysinger
L1 functions
2006-06-21merge bfin relocations from blackfin cvsMike Frysinger
2006-02-23Added support for the new CRISv32 architecture.Peter Kjellerstedt
2006-01-03import a bunch of EM defines from gnu binutilsMike Frysinger
2006-01-03touchup comments and define Blackfin for Jie ZhangMike Frysinger
2005-09-21add some more defines from binutils since our readelf uses itMike Frysinger
2005-08-09date: 2005/08/07 07:53:58; author: drepper; state: Exp; lines: +1 -1Mike Frysinger
(DT_ALPHA_PLTRO): Use symbolic name in DT_ALPHA_PLTRO definition.
2005-07-02sync with glibcMike Frysinger
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