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2013-01-10buildsys: use kbuild styleBernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2013-01-10buildsys: remove superfluous default nBernhard Reutner-Fischer
kconfig's default defaults to n so spelling out default n is redundant Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2013-01-10libc: add {get,set,swap,make}context user context manipulation functionsFlorian Fainelli
Add the obsolescent SUSv3 family of user context manipulating functions for arm, i386, mips, x86_64. Signed-off-by: Timon ter Braak <timonterbraak@gmail.com> Signed-off-by: Florian Fainelli <florian@openwrt.org> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com> Signed-off-by: Natanael Copa <ncopa@alpinelinux.org> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2013-01-09dl: fix dlsym lookups with RTLD_NEXTTimo Teräs
The current code for dlsym() when invoked with RTLD_NEXT lookup searches for the module where it's being called from, and executes the _dl_find_hash only for the next module in the chain. However, if the looked symbol is not there, the rest of the modules are not checked. Generally this is not a problem as symbols are merged for the parent modules; so this affects only RTLD_NEXT. This patch adds a loop iterating through all the following modules. Signed-off-by: Timo Teräs <timo.teras@iki.fi> Reviewed-by: Filippo ARCIDIACONO <filippo.arcidiacono@st.com> Tested-by: Florian Fainelli <florian@openwrt.org> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2013-01-08buildsys: prevent make from searching for .configBernhard Reutner-Fischer
Fixes: make distclean mkdir /.config make -C test/API clean Reading makefile `../../.config' (search path) (don't care) (no ~ expansion)... make: *** ../../.config: Is a directory. Stop. write(1, "Reading makefile `../../.config'"..., 80) = 80 open("../../.config", O_RDONLY) = -1 ENOENT (No such file or directory) open("/usr/include/../../.config", O_RDONLY) = 6 fstat(6, {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0 read(6, 0x7f2fe3bfc000, 4096) = -1 EISDIR (Is a directory) Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2013-01-08arm: workaround GCC PR target/53735 with fork()Bernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2013-01-08libc: handle sync_file_rangeBernhard Reutner-Fischer
Add cancellation and support arm, ppc64, mips32. Compile-tested. Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2012-12-11arm: clone: restore stack pointer just after return from syscallFilippo Arcidiacono
If the syscall returns with an error the stack pointer and r4 register are not restored because the instruction 'ldmnefd sp!, {r4}' is executed after branching to '__error' label. This bug has been spotted out by running './utstest clone 5' from LTP built with -fstack-protector-all compiler flag as log below: root@cortex-a9:/usr/tests/ltp/testcases/bin# ./utstest clone 5 stack smashing detected: ./utstest terminated() Regression introduced by commit e58798e107d652644629a1daaa95d76430808d53 Signed-off-by: Filippo Arcidiacono <filippo.arcidiacono@st.com> Signed-off-by: Giuseppe Di Giore <giuseppe.di-giore@st.com> Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
2012-12-05xtensa: fix setjmp that didn't save all registers correctlyChris Zankel
Setjmp was only saving the lower order of registers (a0-a3) correctly, but not the higher ones (a4-a8/a12). The change also includes additional information, and renames many of the registers, so that setjmp and longjmp look more like the inverse of each other. Signed-off-by: Chris Zankel <chris@zankel.net>
2012-12-03sched.h: include stdlib.h for malloc/freeBernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2012-12-01update ptrace.h to latest from glibcJames Hogan
Update libc/sysdeps/linux/common/sys/ptrace.h to latest from glibc's sysdeps/unix/sysv/linux/sys/ptrace.h. This adds definitions for operations: - PTRACE_GETREGSET - PTRACE_SETREGSET - PTRACE_SEIZE - PTRACE_INTERRUPT - PTRACE_LISTEN And adds flags: - PTRACE_SEIZE_DEVEL And adds event codes: - PTRACE_EVENT_SECCOMP This is to allow access to the generic interface for accessing architecture specific regsets using the corresponding NT_* types, required for new Linux kernel architecture ports. Signed-off-by: James Hogan <james.hogan@imgtec.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2012-11-29libc/stdlib: localize __unix_grantptMike Frysinger
When ASSUME_DEVPTS is disabled, we end up exporting __unix_grantpt and get a reloc to it from grantpt. Mark it static to fix all of that. Reported-by: Michael Deutschmann <michael@talamasca.ocis.net> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2012-11-18drop support for pre ISO-C compilersMike Frysinger
This drops __signed, __volatile, and __const. Only the latter was used in the code base, and for uClibc, not consistently. Much of the code used plain "const" which meant "__const" was useless. Really, the point of this is to stay in sync with what glibc did. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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>
2012-11-18AVR32: declare missing result variableFelix Fietkau
Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2012-11-18nptl: fix gcc noreturn warningMike Frysinger
Current builds show the warning: CC libpthread/nptl/pthread_create.os libpthread/nptl/pthread_create.c: In function 'start_thread': libpthread/nptl/pthread_create.c:418:3: warning: function declared 'noreturn' has a 'return' statement [enabled by default] libpthread/nptl/pthread_create.c:418:3: warning: 'noreturn' function does return [enabled by default] Looking at glibc, it does not mark this function as noreturn. Testing code size, gcc is smart enough to detect the code never actually returns regardless of the attribute. So drop it to keep in sync with glibc and to avoid the warnings. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2012-11-18nptl: fix gcc noreturn warningMike Frysinger
Current builds show the warning: CC libpthread/nptl/sysdeps/unix/sysv/linux/mq_notify.os libpthread/nptl/sysdeps/unix/sysv/linux/mq_notify.c: In function 'helper_thread': libpthread/nptl/sysdeps/unix/sysv/linux/mq_notify.c:142:3: warning: function declared 'noreturn' has a 'return' statement [enabled by default] Looking at glibc, it does not mark this function as noreturn. Testing code size, gcc is smart enough to detect the while(1){} never actually returns regardless of the attribute. So drop it to keep in sync with glibc and to avoid the warning. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2012-11-18ldso: include dlfcn.h for RTLD_NODELETEMike Frysinger
Building with NPTL enabled and shared library support disabled we hit: In file included from libpthread/nptl/sysdeps/generic/dl-tls.c:30:0: ./ldso/include/dl-elf.h: In function '__dl_parse_dynamic_info': ./ldso/include/dl-elf.h:173:20: error: 'RTLD_NODELETE' undeclared (first use in this function) ./ldso/include/dl-elf.h:173:20: note: each undeclared identifier is reported only once for each function it appears in make: *** [libpthread/nptl/sysdeps/generic/dl-tls.os] Error 1 A previous commit (f26c5f6952ce9bf8edec9c1571c47addb1bcc442) touched on a similar issue, but added the include to the incorrect location. Reported-by: Christophe Lyon <christophe.lyon@st.com> [arm nommu] Reported-by: Daniel Beecham <daniel@lunix.se> [static x86_64] Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2012-11-17string/microblaze: fix preprocessor styleMike Frysinger
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2012-11-17libc/sysdeps: dup3: check for __NR_dup3 since older kernels/arches lack itMike Frysinger
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>
2012-11-14libc/stdlib: add mkostemp helpersMike Frysinger
Some projects (like udev) are starting to use this. Imported from glibc. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2012-11-14libc/sysdeps: add dup3 syscall wrapperMike Frysinger
Some projects (like udev) are starting to use this. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2012-11-14include/: ignore more symlinksMike Frysinger
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2012-11-13test/math: add libm-test-ulps-xtensa fileChris Zankel
Add ulps file for Xtensa for the math test. Signed-off-by: Chris Zankel <chris@zankel.net>
2012-11-12string/microblaze: Fix for little-endianSteve Bennett
Fix the asm-optimised memcpy and memmove so they work for little-endian as well as big-endian. Testing has shown no issues, but I am not a microblaze asm expert so YMMV. Signed-off-by: Steve Bennett <steveb@workware.net.au> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2012-11-12microblaze/bits/setjmp.h: Fix stray #endifSteve Bennett
Introduced in c53099f7 Signed-off-by: Steve Bennett <steveb@workware.net.au> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2012-11-03xtensa: add missing atomic intrinsicsChris Zankel
Add more atomic intrinsics. These are mostly non 32-bit versions, which are not support by Xtensa. This file needs some more clean-up and consolidation. Signed-off-by: Chris Zankel <chris@zankel.net>
2012-11-03xtensa: sysdep.h needs to include sys/syscall.hChris Zankel
The Xtensa version of sysdep.h didn't include sys/syscall.h. This header file is, for example, needed by not-cancel.h, which uses the INTERNAL_SYSCALL macro. Signed-off-by: Chris Zankel <chris@zankel.net>
2012-11-03xtensa: add a stub user.h fileChris Zankel
Xtensa only supports the ELF binary format, so the user.h file isn't needed. However, it's included by other files, so provide a stub user.h. Signed-off-by: Chris Zankel <chris@zankel.net>
2012-11-03ldd: ELFCLASSM was not defined for the Xtensa architectureChris Zankel
Signed-off-by: Chris Zankel <chris@zankel.net>
2012-11-03xtensa: fix a misnumbered register in sigsetjmpChris Zankel
Signed-off-by: Chris Zankel <chris@zankel.net>
2012-11-03xtensa: add a set of atomic intrinsicsChris Zankel
Add a new file that provides various atomic intrinsics, which use the conditional store instruction. Signed-off-by: Chris Zankel <chris@zankel.net>
2012-11-03xtensa: use atomic instructions instead of a syscallChris Zankel
Replace system calls with atomic instructions for 'compare and swap' in linuxthreads.old. Signed-off-by: Chris Zankel <chris@zankel.net>
2012-11-03xtensa: add sigcontext.hChris Zankel
Signed-off-by: Chris Zankel <chris@zankel.net>
2012-10-31_scanf.c: Implement 'm' modifier for 'c' and '[' conversions.Will Newton
The current code implements the 'm' modifier only for 's' conversions and would cause a segfault if it was used for 'c' or '[' conversions. This patch extends the code to cover these cases too. Signed-off-by: Will Newton <will.newton@imgtec.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2012-10-31utils: Fix missing semicolonBernhard Reutner-Fischer
Thanks to Manuel Rüger for spotting this one. Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2012-10-31__uclibc_main: remove stray trailing spaceBernhard Reutner-Fischer
test post-receive hook Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2012-10-29test: Fix some warnings in inetBernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2012-10-29test: handle !DO_C99_MATHBernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2012-10-02libc/sysdeps: add __kernel_long and __kernel_ulongChris Packham
Linux 3.4 added __kernel_long_t and __kernel_ulong_t and various exported header files were updated to use these new types. Add the definitions for __kernel_long_t and __kernel_ulong_t to the relevant kernel_types.h headers. This change was automated with the following scriptlet git grep --name-only 'typedef.*__kernel_old_dev_t' \ | xargs sed -i '/typedef.*__kernel_old_dev_t/ a\ typedef long\t\t__kernel_long_t;\ typedef unsigned long\t__kernel_ulong_t;' Whitespace in arm, avr32, hppa, sparc was then manually fixed up. Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz> -- Here's a cleaned up patch which should get the whitespace right. I'm a bit iffy about the sparc changes they make sense to me but it's not a platform I have access to. I can break this up per arch or per maintainer if requested. libc/sysdeps/linux/alpha/bits/kernel_types.h | 2 ++ libc/sysdeps/linux/arm/bits/kernel_types.h | 2 ++ libc/sysdeps/linux/avr32/bits/kernel_types.h | 2 ++ libc/sysdeps/linux/bfin/bits/kernel_types.h | 2 ++ libc/sysdeps/linux/c6x/bits/kernel_types.h | 2 ++ libc/sysdeps/linux/cris/bits/kernel_types.h | 2 ++ libc/sysdeps/linux/e1/bits/kernel_types.h | 2 ++ libc/sysdeps/linux/h8300/bits/kernel_types.h | 2 ++ libc/sysdeps/linux/hppa/bits/kernel_types.h | 2 ++ libc/sysdeps/linux/i386/bits/kernel_types.h | 2 ++ libc/sysdeps/linux/ia64/bits/kernel_types.h | 2 ++ libc/sysdeps/linux/m68k/bits/kernel_types.h | 2 ++ libc/sysdeps/linux/microblaze/bits/kernel_types.h | 2 ++ libc/sysdeps/linux/mips/bits/kernel_types.h | 4 ++++ libc/sysdeps/linux/nios2/bits/kernel_types.h | 2 ++ libc/sysdeps/linux/powerpc/bits/kernel_types.h | 4 ++++ libc/sysdeps/linux/sh/bits/kernel_types.h | 2 ++ libc/sysdeps/linux/sh64/bits/kernel_types.h | 2 ++ libc/sysdeps/linux/sparc/bits/kernel_types.h | 4 ++++ libc/sysdeps/linux/v850/bits/kernel_types.h | 2 ++ libc/sysdeps/linux/x86_64/bits/kernel_types.h | 2 ++ libc/sysdeps/linux/xtensa/bits/kernel_types.h | 2 ++ 22 files changed, 50 insertions(+) Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2012-08-29librt: re-add SIGCANCEL to the list of blocked signal in helper threadFilippo Arcidiacono
Indeed if the libpthread is before the libc in the library look up the SIGCANCEL is removed from the list of the blocked signal by sigfillset func, this can produce the handler not properly called. This commit revert what Denys modified in commit 162cfaea20d807f0ae329efe39292a9b22593b41. Signed-off-by: Filippo Arcidiacono <filippo.arcidiacono@st.com> Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
2012-08-04i386/bits/syscalls.h: allow immediate values as 6th syscall argNatanael Copa
Allow use of immedate values as the 6th syscall argument. Otherwise we must store the arg on memory. This gives gcc more options to optimize better. This also works around an issue with posix_fallocate. Signed-off-by: Natanael Copa <ncopa@alpinelinux.org> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2012-08-04bits/time.h: sync with glibc 2.16Peter Korsgaard
CLOCK_MONOTONIC_RAW is available since 2.6.28 (2d42244ae71d: clocksource: introduce CLOCK_MONOTONIC_RAW), and CLOCK_*_COARSE since 2.6.32 (da15cfdae033: time: Introduce CLOCK_REALTIME_COARSE). Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2012-08-04libc/inet/resolv.c: Use IE model for TLS data.Will Newton
All other TLS data in uClibc is explicitly using the IE model, so use it for __resp too. This generates smaller and faster code. Signed-off-by: Will Newton <will.newton@imgtec.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2012-08-04libc/inet/resolv.c: Remove obsolete comment.Will Newton
The definition of __resp has been hidden for some years (commit 22de495d). Remove the comment suggesting that it is not. Signed-off-by: Will Newton <will.newton@imgtec.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2012-07-24Accept either __NR__lseek or __NR_lseekBernd Schmidt
In llseek.c, we already allow both variants; the same needs to be done here to avoid duplicate definitions of lseek64_nocancel. Signed-off-by: Bernd Schmidt <bernds@codesourcery.com>
2012-07-24Remove pragma weak for undeclared symbolBernd Schmidt
pthread_initialize is a static function and should not be mentioned in a header. The #pragma weak for it appears to confuse gcc-4.7. Signed-off-by: Bernd Schmidt <bernds@codesourcery.com
2012-07-24Remove use of attribute_shared_hiddenBernd Schmidt
This attribute is not defined anywhere. Removed its use to make the file compile. Signed-off-by: Bernd Schmidt <bernds@codesourcery.com>
2012-06-19nptl: sh: fix race condition in lll_wait_tidStas Sergeev
Make a local copy of the tid value to avoid a race condition, as the value could have been changed to 0, thus using a pointer it would have been passed to the lll_futex_wait modified. Signed-off-by: Stas Sergeev <stsp@users.sourceforge.net> Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
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