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2010-05-09powerpc: Add TLS and NPTL supportKhem Raj
Signed-off-by: Khem Raj <raj.khem@gmail.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2010-04-28include dlfcn.h in ldso.h to get RTLD_NODELETE definitionAustin Foxley
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
2010-04-22ldso: support RTLD_NODELETE and DF_1_NODELETETimo Teräs
Honor the nodelete flags so we don't delete shared library if it's sticky. This is useful for libpthread if it gets pulled in by a dlopen'ed library. Signed-off-by: Timo Teräs <timo.teras@iki.fi> Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
2010-04-12whitespace cleanupBernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2010-02-11ldso: fix USE_TLS checkAustin Foxley
this was causing tls symbols to leak into non-tls builds Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
2010-02-05ldso: add missing prototypesBernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2009-12-17check if USE_TLS is defined before useHans-Christian Egtvedt
This patch will convert all the #ifdef USE_TLS and #if USE_TLS to #if defined(USE_TLS) && USE_TLS. By checking if the USE_TLS is defined before checking its value will result in correct behavior for architectures not defining this config symbol. Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com> Acked-by: Carmelo AMOROSO <carmelo.amoroso@st.com>
2009-11-20remove superfluous extra semicolonsBernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2009-10-15ldso: drop duplicated/unused definesMike Frysinger
We already include bits/fcntl.h for some of these defines, and most of the bits/stat.h defines are unused. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-10-15ldso: unify and cleanup _dl_mmap codeMike Frysinger
The interface should be straight forward now and the same for everyone. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-10-15ldso: define MAP_FAILED for everyoneMike Frysinger
This fixes build errors where common code has started using MAP_FAILED. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-10-15ldso: simplify handling of extra _dl_lookup_hash() argMike Frysinger
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-10-15ldso: clean up breakage in tls mergeMike Frysinger
The TLS merge 534661b91c9849 introduced multiple style problems as well as random breakage: - missing _dl_free - incomplete parametrization of _dl_lookup_hash - restore FDPIC handling in _dl_lookup_hash Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-10-07ldso: pull in missing bits/fcntl.h header for O_CLOEXECMike Frysinger
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-10-06whitespace cleanupBernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2009-09-26ldso/: tls support for dynamic linkerAustin Foxley
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
2009-07-20fix building for systems w/out ldso supportMike Frysinger
If an arch (like alpha and others) have no ldso support at all, then there is no point in attempting to walk loaded modules in the dl-* helper funcs. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-04-11sparc also needs CONSTANT_STRING_GOT_FIXUP for doing debug printing in ldsoaustinf
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
2009-04-09Fix the ifdef logic broken by last commit for !defined (__mcoldfire__)Khem Raj
2009-04-09The attached patches fixes the problems found bringing up uclibc on coldfire Khem Raj
M5485 processor 1. Disable mmap2() if we're compiling for coldfire and fall back to mmap(). It seems to map a different file area on a 2.6.25 linux kernel. 2. Uses pc-relative addresing[1], computes ADDR_ALIGN, PAGE_ALIGN and OFFSET_ALIGN relatively to _dl_pagesize[3]. On coldfire/M5485 _dl_pagesize is 0x2000. Signed-off-by: Groleo Marius <groleo@gmail.com>
2009-01-12ldso: do not comment out unused variables, just delete it.Carmelo Amoroso
SIgned-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
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
2008-12-03- Use runtime pagesize (Jeremy Kerr)Bernhard Reutner-Fischer
Some powerpc machines can support 64k pages, enabled by the CONFIG_64K_PAGES option in linux. However, the uClibc dynamic loader won't currently work on these machines, as it uses hard-coded values (PAGE_ALIGN, ADDR_ALIGN and OFFS_ALIGN) in the ldso architecture-specific headers. When running on a kernel with 64k pages, ld.so tries to mmap with 4k-aligned addresses, rather than 64k, so mmap fails with -EINVAL. When booting a 64k machine with a uClibc dynamic linker, init fails with: /init:500: can't map '/lib/libc.so.0' /init:500: can't map '/lib/libc.so.0' /init:500: can't map '/lib/libc.so.0' /init: can't load library 'libc.so.0' Kernel panic - not syncing: Attempted to kill init! This change allows ld.so determine these alignment masks at runtime, rather than compile-time. Since we have the _dl_pagesize variable available, we can use that to generate the appropriate masks. Since almost all of the architectures can use the common definitions for the _ALIGN macros, we can consolidate them all in ldso.h, and override in the sysdep headers where necessary (ie, mips). This allows me to start a uClibc-based root fs on a 64k machine. Signed-off-by: Jeremy Kerr <jk at ozlabs org>
2008-11-03Fix whitespace damage in file.Hans-Christian Egtvedt
Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
2008-09-18Use __always_inline for _dl_gettimeofday as well.Carmelo Amoroso
Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
2008-07-23- fix inline keywordBernhard Reutner-Fischer
2008-06-03- Revert _dl_exit touch-up.Bernhard Reutner-Fischer
It breaks on arches that don't define proper/complete/nice syscall facilities.
2008-06-03- adds several config-options to allow for turning off certain featuresBernhard Reutner-Fischer
like o UCLIBC_HAS_GNU_ERROR o UCLIBC_HAS_BSD_ERR o UCLIBC_HAS_PTY o UCLIBC_HAS_GETPT (1) o UCLIBC_SYSCALL_STUBS o UCLIBC_SYSCALL_STUB_WARNING o UCLIBC_LINUX_SPECIFIC (2) o UCLIBC_BSD_SPECIFIC (3) o UCLIBC_NTP_LEGACY (4) o UCLIBC_SV4_DEPRECATED (5) o UCLIBC_HAVE_REALTIME (6) o UCLIBC_HAVE_ADVANCED_REALTIME (7) o UCLIBC_HAVE_EPOLL (8) o UCLIBC_HAVE_XATTR (9) o UCLIBC_HAVE_PROFILING (10) (1) make non-standard getpt optional and implement standard posix_openpt (2) fstatfs(), inotify_*(), ioperm(), iopl(), madvise(), modify_ldt(), personality() ppoll(), setresuid() (3) mincore(), getdomainname(), setdomainname() (4) ntp_adjtime(), ntp_gettime() aliases (5) ustat() [use statfs(2) in your code instead] (6) All marked as "(REALTIME)" in SUSv3 (7) All marked as "(ADVANCED REALTIME)" in SUSv3 (8) epoll_create(), epoll_ctl(), epoll_wait() (9) all Extended Attributes (10) helpers for gcc's -finstrument-functions - Fixes _dl_exit() - Implements sleep(3) for !UCLIBC_HAVE_REALTIME - Implements usleep(3) for !UCLIBC_HAVE_REALTIME - adds #warning about incorrect posix_fadvise{,64}() - removes unused and unwanted uselib() Net outcome is that an allnoconfig with HAVE_SHARED is now about 88k instead of formerly 130k.
2008-05-30- fix the macros rather than the callees as rightfully noted by bernds (duh!)Bernhard Reutner-Fischer
2008-02-08Fix the recent dladdr changes so that they compile on FD-PIC targets.Bernd Schmidt
2008-01-18This patch solves a problem in dladdr caused by the wrong valueCarmelo Amoroso
of elf_resolve's loadaddr field for the main application. Signed-off-by: Filippo Arcidiacono <filippo.arcidiacono@st.com> Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
2008-01-09fix broken whitespace in many places; no functional changesMike Frysinger
2008-01-08Some more Blackfin/FDPIC ldso merging work. Include dl-inlines.h when itBernd Schmidt
exists, and move some definitions to their proper place.
2008-01-08change NO_UNDERSCORES to just UNDERSCORES so as to be less confusing when ↵Mike Frysinger
doing double negatives
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.
2008-01-05whitespace only: fix indentationMike Frysinger
2007-12-04Blackfin FD-PIC patch 6/6.Bernd Schmidt
These are mostly the changes necessary to deal with loading the libraries into memory. A couple new target macros are defined for this purpose, and the code in dl-elf.c is modified to deal with nommu systems.
2007-12-03Blackfin FD-PIC patches 5/6.Bernd Schmidt
A couple more target macros for ld.so to deal with FD-PIC support. We need special code to compute the initial got and dpnt, and we need to pass extra arguments to _dl_get_ready_to_run.
2007-12-03Blackfin FD-PIC patch 4/6.Bernd Schmidt
Add a hash table for function descriptors on FD-PIC targets.
2007-12-03Blackfin FD-PIC patch 3/6.Bernd Schmidt
Change _dl_find_hash to _dl_lookup_hash, as on the NPTL branch. _dl_find_hash is now a wrapper function around it; unlike on the NPTL branch, it retains the old interface so that not all callers need to be changed. _dl_lookup_hash can optionally give its caller a pointer to the module where the symbol was found. Introduce ELF_RTYPE_CLASS_DLSYM for lookups from libdl. Spelling fixes in the Blackfin port, since Alex Oliva's original version of these patches used _dl_find_hash_mod as the name of the function rather than _dl_lookup_hash.
2007-12-03Blackfin FD-PIC patch 2/6.Bernd Schmidt
Add the necessary changes in ld.so and libdl to deal with targets that prepend an underscore to symbol names.
2007-12-03Blackfin FD-PIC patch 1/6.Bernd Schmidt
Add a new function _dl_free. In _dl_malloc, ensure we always get back a full page from mmap. Reset _dl_malloc_function and _dl_free_function when libdl is initialized.
2007-12-03Some versions of gcc consider inline merely a hint. AVR32 depends on theCarmelo Amoroso
system calls actually being inlined, so AVR32 needs to use __always_inline instead of just inline. The attached patch changes this for the system calls. Signed-off-by: Hans-Christian Egtvedt <hcegtvedt@atmel.com>
2007-11-16Added AVR32 support to uClibc. Signed-off-by: Hans-Christian Egtvedt ↵Carmelo Amoroso
<hcegtvedt@atmel.com>
2007-11-09Define _dl_assert in libdl only if __DOASSERTS__ is defined. Thanks to Peter ↵Carmelo Amoroso
Mazinger
2007-11-07Added support for GNU hash style into dynamic linkerCarmelo Amoroso
2007-09-15Blue Swirl writes:Mike Frysinger
I got the library to compile with the attached patches, though dynamic loader crashes early. In buildroot I changed the architecture name by hand from sparc to sparc64, otherwise the compiler produced 32-bit files with V9 (64-bit) instructions. This configuration is not supported by QEMU, so I aimed for pure 64-bit. I think Sparc64 option needs to be added to buildroot. The _Qp_ ops seem to be required by the ABI. This and setjmp patches are just hacks to get the compilation further. The _Qp_ ops can be found in glibc, would it be OK to use those? V9 assembler requires declarations for global register use. The mem* functions in sparc32 directory did not work. They are actually used only by the hybrid 32-bit + V9 CPU configuration.
2007-04-17fix ld.so.cache handling on no-mmu setupsMike Frysinger
2007-02-17Make _dl_malloc alignment arch configurable.Joakim Tjernlund
From Atsushi Nemoto.
2007-01-29- see if defined foo before trying to look at the value of foo (that should ↵Bernhard Reutner-Fischer
be 0 in this case. Avoids some warnings).
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