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2015-03-22librt: Use -nodefaultlibs instead of -nostdlibKhem Raj
nostdlib disables linking in startup files too which is not what we want here since it needs to resolve __dso_handle which comes from crtbeginS.o, otherwise librt has this undefined reference to a weak undefined __dso_handle that shows up as error (with gold linker) when shared libraries are being built which are linking in librt Signed-off-by: Khem Raj <raj.khem@gmail.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-03-22nptl/atfork: Hide pthread_atfork in shared versionsKhem Raj
Signed-off-by: Khem Raj <raj.khem@gmail.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-03-22libc: Fix vfprintf compilation without HAS_FLOATSBernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-03-22nptl/arm: Move aeabi_read_tp to uclibc_nonshared.aKhem Raj
Otherwise it creates wrong references from shared libs Signed-off-by: Khem Raj <raj.khem@gmail.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-03-22atexit_old: Do not add it to shared libcKhem Raj
atexit should only be in either uclibc_nonshared.a shared libc case or libc.a in static build case Signed-off-by: Khem Raj <raj.khem@gmail.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-03-22test: enable libm test log2Bernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-03-22extra: add clang flags for gen_bits_syscall_hBernhard Reutner-Fischer
Closes bugzilla #6008 Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-03-18malloc.h: Add missing feature guardBernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-03-18malloc-standard: Add locking to malloc_trimBernhard Reutner-Fischer
Closes bugzilla #4586 Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-03-18malloc: checked_request2size failure deadlocksZhiqiang Zhang
For some rarely cases(almost App bugs), calling malloc with a very largre size, checked_request2size check will fail,set ENOMEM, and return 0 to caller. But this will let __malloc_lock futex locked and owned by the caller. In multithread circumstance, other thread calling malloc/calloc will NOT succeed and get locked. Signed-off-by: Zhiqiang Zhang <zhangzhiqiang.zhang@huawei.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-03-18libm: Add missing C99 float/ld wrappersBernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-03-18test: skip arc4random on glibcBernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-03-18buildsys: fix IS_IN_lib* for .iBernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-03-17libc: update strverscmpBernhard Reutner-Fischer
Closes bugzilla #7936 Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-03-17nptl: fix exclusion of pthread_setconcurrency.cBernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-03-17include: silence __leaf warningBernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-03-17test: Tweak arc4random exclusionBernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-03-16resolv: fix unaligned tmp buffer corner-caseAlexey Brodkin
On execution of "inet/gethost_r-align" test I noticed failure due to unaligned access (instaed of 4-byte aligned 1-byte aligned address was attempted to be accessed). Further investigation confirmed this nice and helpful test failure. Following commit removed usage of ALIGN_BUFFER_OFFSET on entry to __read_etc_hosts_r(): http://git.uclibc.org/uClibc/commit/?id=f65e66078b9f4d2d7f0fc336dee36e78fc467c0f So indeed if target architecture doesn't allow unaligned access and provided tmp buffer is not word aligned (and we will deal with pointers which means word-sized data units), then CPU will fail during execution. In case of ARC we'll see "Unaligned access" exception like this: --->8--- # potentially unexpected fatal signal 7. Path: /root/uClibc/test/inet/gethost_r-align CPU: 0 PID: 5514 Comm: gethost_r-align Not tainted 3.13.11 #2 task: 8f42a580 ti: 8f40e000 task.ti: 8f40e000 [ECR ]: 0x00230400 => Misaligned r/w from 0x5fdab341 [EFA ]: 0x5fdab341 [BLINK ]: 0x20032a18 [ERET ]: 0x20032a3c @off 0x12a3c in [/lib/libuClibc-0.9.34-git.so] VMA: 0x20020000 to 0x20062000 [STAT32]: 0x00000086 : U E2 E1 BTA: 0x20046014 SP: 0x5fdab260 FP: 0x00000000 LPS: 0x20046064 LPE: 0x20046068 LPC: 0x00000000 r00: 0x5fdab341 r01: 0x00000005 r02: 0x00000015 r03: 0x00000000 r04: 0x5fdab358 r05: 0x00000000 r06: 0x0a0a0a00 r07: 0x00000000 r08: 0x0000003f r09: 0x20067050 r10: 0x00000000 r11: 0x00000014 r12: 0x00000001 r13: 0x00000000 r14: 0x20060660 r15: 0x20060661 r16: 0x00000006 r17: 0x5fdab371 r18: 0x00000018 r19: 0x5fdab2b4 r20: 0x00020000 r21: 0x00000000 r22: 0x00029068 r23: 0x5fdab371 r24: 0x00010000 r25: 0x00000000 --->8--- To fix this problem we'll re-introduce tmp buffer force alignment before config parser invocation. Signed-off-by: Alexey Brodkin <Alexey.Brodkin@synopsys.com> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: Waldemar Brodkorb <wbx@openadk.org> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-03-13unistd.h: put getppid under XOPEN2K8Bernhard Reutner-Fischer
Add __LEAF to all __THROW, introduce non-leaf __THROWNL Adjust affected spots accordingly. Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-03-12buildsys: create linker script with proper flagsBernhard Reutner-Fischer
We were not passing the correct use-ld and -m{32,64,...} when creating the linker script. Revisit for gold later on anyway. Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-03-12spawn.h: Fix !_GNU_SOURCE compilationBernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-03-03sparc/clone.S: guard tcb-offsets.h include with RESET_PIDGustavo Zacarias
Otherwise we have a broken scenario with non-threading builds. Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-02-27libc: silence warningBernhard Reutner-Fischer
include/bits/sigset.h:219:62: warning: right-hand operand of comma expression has no effect [-Wunused-value] include/bits/sigset.h:210:63: warning: right-hand operand of comma expression has no effect [-Wunused-value] Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-02-27ldso: silence warningBernhard Reutner-Fischer
In file included from ldso/ldso/ldso.c:87:0: ldso/ldso/dl-startup.c: In function '_dl_start': ldso/ldso/dl-startup.c:184:32: warning: cast from pointer to integer of differennt size [-Wpointer-to-int-cast] auxvt[AT_BASE].a_un.a_val = (Elf32_Addr) &_begin; Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-02-20ldso: silence warningBernhard Reutner-Fischer
symbol_addr was set but not used Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-02-20Allow use of executable RUNPATH/RPATH when finding libraries.Steve Ellcey
This option will modify ldso so that it will use the executables RUNPATH/RPATH to find to find libraries even though this behavour is not standard. Setting this option causes the uclibc dynamic linker behavour to match the glibc dynamic linker. Signed-off-by: Steve Ellcey <sellcey@imgtec.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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>
2015-02-20sync_file_range: fix standard UCLIBC_SYSCALL_ALIGN_64BIT handlingVineet Gupta
Currently UCLIBC_SYSCALL_ALIGN_64BIT is not explicitly handled. Fix that and make sure the special handling is done for powerpc/xtensa which use UCLIBC_SYSCALL_ALIGN_64BIT but don't use hole punched syscall handler in kernel. Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Cc: Baruch Siach <baruch@tkos.co.il> Cc: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-02-20posix_fadvise: handle 2 variants for SYSCALL_ALIGN_64BITVineet Gupta
arm/powerpc/xtensa pass @advice as 2nd arg to syscall (vs. canonical 4th) Current code however does this for UCLIBC_SYSCALL_ALIGN_64BIT which powerpc/xtensa also happen to define. This is not true for ARCv2 ISA and possibly other arch of future with 64-bit even register requirement, which uses the standard syscall handler in kernel. Fix that by providing 2 variants of SYSCALL_ALIGN_64BIT Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Cc: Baruch Siach <baruch@tkos.co.il> Cc: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-02-20ARCv2: optimised string routinesVineet Gupta
Signed-off-by: Claudiu Zissulescu <claziss@synopsys.com> 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>
2015-02-17ARC: Add GNU glob to ARC defconfigsAnton Kolesov
GNU glob is required by make. Signed-off-by: Anton Kolesov <anton.kolesov@synopsys.com> Cc: Vineet Gupta <Vineet.Gupta1@synopsys.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-02-17libc: add setns()Bernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-02-17Add eventfd_read() and eventfd_write()Khem Raj
Signed-off-by: Khem Raj <raj.khem@gmail.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-02-16signal.h: elide memset from sigemptysetVineet Gupta
Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-02-16ARC: sigaction: inline syscall trapVineet Gupta
Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-02-16ARC: sigaction: fold default sigrestorer into "C"Vineet Gupta
Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-02-16ARC: siagction: opencode memcpyVineet Gupta
Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-02-16ARC: remove stale TRUNCATE64_HAS_4_ARGSVineet Gupta
Not relevant anymore since commit e8cc14e59ed3f66b84e, "libc: rename TRUNCATE64_HAS_4_ARGS to SYSCALL_ALIGN_64BIT" Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-02-16ARC defconfigs: enable some itemsAlexey Brodkin
perf: UCLIBC_HAS_GLIBC_CUSTOM_STREAMS elfutils: UCLIBC_HAS_PROGRAM_INVOCATION_NAME Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-02-16ARC: add configuration option for MMU page sizeAlexey Brodkin
ARC CPU may have MMU page size of 4/8(default)/16k. uClibc needs to have page size configured accodring to HW it will be run on. Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-02-16ARC: Conditionalise certain relocations as provided by TLS tools onlyVineet Gupta
uClibc mainline supports NPTL which in turns depends on TLS support in the tools (gcc/binutils), which is yet to be merged in dev branches. However there is some non NPTL code in uClibc, added as part of NPTL effort, which relies on certain relocations only provided by NPTL binutils. As a result building the current upstream even for LT.old breaks. So conditionalize that code on tools, bu tin lack of specific versions, we use NPTL enabling as a sign the tools are equipped to handle those relos. Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-02-12Update MIPS configuration rules.Steve Ellcey
Add a configuration choice for the NaN format on MIPS (either the standard (legacy) format or the newer IEEE 2008 format. Change how CPU_LDFLAGS are set for MIPS. Use the same value as CPU_CFLAGS since CC is used to do linking. This ensures consistency between compiles and links and adds support for N32 ABI to linking. Signed-off-by: Steve Ellcey <sellcey@imgtec.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-01-28buildsys: fix IS_IN_lib* for out-of-tree buildsBernhard Reutner-Fischer
41537a770b46f2376e74af58ba4885749339e81e erroneously stripped the top_builddir off the per-directory flag setting which works fine for in-tree builds but is not correct for O= Just use the full path of the target files to apply the flags to fix that thinko. Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-01-26libc: sync_file_range missing commaBernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-01-24libc: ppc64 etc: Fix sync_file_rangeBernhard Reutner-Fischer
Fix copy'n paste error for ppc64 and other sync_file_range2 arches Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-01-23xtensa: ldso: drop unused address calculation from _dl_linux_resolveMax Filippov
The result of the calculation in register a12 is never used as the function _dl_linux_resolver only accepts 2 arguments. Drop it. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-01-23xtensa: ldso: coalesce dl_mprotect address rangesMax Filippov
This noticeably lowers the number of mprotect calls at program startup, e.g. for busybox: 7 calls vs 1835 calls. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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