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2015-12-22pselect: Use linux pselect syscall when availableNicolas S. Dade
Linux has a pselect syscall since 2.6.something. Using it rather than emulating it with sigprocmask+select+sigprocmask is smaller code, and works properly. (The emulation has race conditions when unblocked signals arrive before or after the select) The tv.nsec >= 1E9 handling comes from uclibc's linux select() implementation, which itself uses pselect() internally if the pselect syscall exists. I though it would be good to do the same here. Note that although the libc pselect() API has 6 arguments, the linux kernel syscall as 7 arguments. There is an extra, somewhat vestigial, sizeof the signal mask argument. Signed-off-by: Nicolas S. Dade <nic.dade@gmail.com>
2015-12-22Do define some IPv6 related symbols even with IPv6 disabledWaldemar Brodkorb
Fixes compilation of some faulty applictions. Patch from Freetz.org Reported-by: Leonid Lisovskiy <lly.dev@gmail.com>
2015-12-17Add implementation for copysignl for ppcKhem Raj
Signed-off-by: Khem Raj <raj.khem@gmail.com>
2015-12-17libc/stdio: Rework custom streams interface similar to glibc.Waldemar Brodkorb
Save 20 bytes per FILE structure, avoid indirect call for read/write/seek/close operations for normal streams. Additionally, custom streams has fileno = -2 now, like in glibc. bloat-o-meter report (UCLIBC_HAS_GLIBC_CUSTOM_STREAMS=y): function old new delta fopencookie 69 131 +62 ftello64 233 260 +27 fseeko64 298 319 +21 fclose 423 442 +19 .rodata 16696 16708 +12 fileno_unlocked 53 45 -8 __ns_name_pack 859 851 -8 vswscanf 184 144 -40 vdprintf 231 187 -44 vsscanf 210 151 -59 vswprintf 269 201 -68 vsnprintf 249 181 -68 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 5/7 up/down: 141/-295) Total: -154 bytes Signed-off-by: Leonid Lisovskiy <lly.dev@gmail.com> Signed-off-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
2015-12-09sh: add back sh2 specific assembly for clone()Waldemar Brodkorb
In gcc 5.x there is a compile failure, for sh2 builds as shad no longer is accepted. Strange that it is working for 4.9.x. Add back old assembly code.
2015-12-07add definitions for O_PATHWaldemar Brodkorb
Only alpha, hppa and sparc need non-default value.
2015-12-06mips: fix definition.Steve Ellcey
glibc [BZ# 16922] * sysdeps/mips/sys/asm.h (INT_SUB): Fix definition. (LONG_SUB): Ditto. (PTR_SUB): Ditto. glibc commit 5057ad3b50 Signed-off-by: Steve Ellcey <sellcey@mips.com> Signed-off-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
2015-12-05good by niosWaldemar Brodkorb
Get rid of NIOS support. We try to support NIOSII.
2015-12-05good by e1Waldemar Brodkorb
It is marked as broken and it seems you can't get any hardware for that anymore.
2015-12-05good bye vaxWaldemar Brodkorb
I mailed with Jan-Benedict Glaw, it seems VAX on Linux is really a lot of work todo and uClibc support didn't work ever.
2015-12-05remove sh64 supportWaldemar Brodkorb
No real hardware available. The project for sh64 with sh5 seems dead since 10 years. Gcc will remove support for it soon.
2015-12-05remove __UCLIBC_ASM_GLOBAL_DIRECTIVE__Waldemar Brodkorb
.globl can be used for every architecture so remove the define. Sync with GNU C library.
2015-12-05remove __UCLIBC_HAVE_ASM_GLOBAL_DOT_NAME__Waldemar Brodkorb
It's even no longer required for non-ported ppc64 architecture. Sync with GNU C library. This simplify the macros in include/libc-symbols.h.
2015-11-30bfin: fix clashing with newer gccWaldemar Brodkorb
See here for a discussion about the problem: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=47779 Latest gcc/binutils git can generate a working uClibc-ng toolchain. Binaries tested on Arcturus uCBF54x board via chroot from original firmware.
2015-11-30bfin: use vfork.S againWaldemar Brodkorb
Actually revert 711ad9f92c1cf992c4a3d9f4f709bd692be7789c, as it breaks vfork() on real hardware. So the common implementation no longer works for bfin.
2015-11-13metag: add missing header fileWaldemar Brodkorb
When installing header files a warning is generated, because the header is mandatory.
2015-11-08fanotify: include needed Linux definitionsWaldemar Brodkorb
To support older Linux kernel f.e. 2.6.32.68 include all required definitions. Copied from musl libc fanotify.h. Reported by Thomas Petazzoni from Buildroot project.
2015-11-08add support for euidaccess/eaccess legacy functionsWaldemar Brodkorb
Implementation taken from musl libc project. Missing functions recognized by buildroot autobuilders with failing open-vm-tools.
2015-11-03h8300: fix compile with 4.2.x kernelWaldemar Brodkorb
2015-10-22NPTL/ARCv2: Implement full memory barrier for NPTLVineet Gupta
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2015-10-22alpha: add special umount2 handlingWaldemar Brodkorb
Only on Linux alpha __NR_oldumount is defined and a umount not umount2 syscall, but with two parameter is used. Add special handling for it and an alias for umount2() users. There was a discussion about this special handling, but it seems it was never committed upstream: http://marc.info/?l=linux-alpha&m=137455037930738&w=2 Runtime tested with qemu-alpha and a statically linked busybox binary.
2015-10-22alpha: fix kernel_stat structWaldemar Brodkorb
2015-10-22alpha: fix header nameWaldemar Brodkorb
2015-10-19lm32: add new architectureWaldemar Brodkorb
Add support for FPGA systems from Lattice Semiconductor http://www.latticesemi.com Merge https://github.com/m-labs/uclibc-lm32.git
2015-10-19mips: sync header with glibcWaldemar Brodkorb
Fixes following compile error, when UCLIBC_HAS_CONTEXT_FUNCS is enabled on a mips64 build: CC libc/sysdeps/linux/common/_exit.os libc/sysdeps/linux/mips/swapcontext.S: Assembler messages: libc/sysdeps/linux/mips/swapcontext.S:110: Error: Illegal operands `s.d fs6,(30*8+296)($4)' libc/sysdeps/linux/mips/swapcontext.S:111: Error: Illegal operands `s.d fs7,(31*8+296)($4)' libc/sysdeps/linux/mips/swapcontext.S:149: Error: Illegal operands `l.d fs6,(30*8+296)($2)' libc/sysdeps/linux/mips/swapcontext.S:150: Error: Illegal operands `l.d fs7,(31*8+296)($2)' Reported-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2015-10-16ia64: enable and fix compile issuesWaldemar Brodkorb
Enable ia64 in the menu. Fix build for architectures withou ld.so support. Fix syntax error in bits/byteswap.h.
2015-10-14syncfs: add system call supportBartosz Golaszewski
Add support for the syncfs() system call. Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com>
2015-10-14fanotify: add system call supportBartosz Golaszewski
Add support for fanotify_init() and fanotify_mark() syscalls. The header file is taken from glibc. Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com>
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
2015-10-08xtensa: support call0 ABIMax Filippov
Most changes are mechanical replacement of 'retw' instruction with 'abi_ret' macro, defined to 'retw' or 'ret' according to ABI. Assembly code that makes calls is duplicated for call0 ABI with changed register numbers for parameters/return value and call instruction. 'entry' instructions are replaced with 'abi_entry' macro. More interesting changes: - non-leaf assembly functions (e.g. _dl_tlsdesc_dynamic, _dl_linux_resolve, SYSCALL_ERROR_HANDLER, PSEUDO) now need to preserve registers around intermediate calls they make, use temporary stack frame for that; - setjmp/longjmp only need to save and restore return address, stack pointer and callee-saved registers in the jmpbuf; - __clone and syscall functions had hardcoded offsets to parameter passed on stack, on call0 ABI they don't need stack frame, so the offset is different. Replace these offsets with FRAMESIZE macro. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2015-10-05libc: posix_fallocate must return an error number on failureYuriy Kolerov
posix_fallocate implementation in uClibc relies on fallocate system call - it just returns what fallocate returns. However fallocate returns -1 on failure and assigns an error number to errno variable. In the same time posix_fallocate must return an error number but not -1. What does this patch: if fallocate returns -1 then posix_fallocate returns errno. Otherwise posix_fallocate returns 0 on success. However there is a side effect - posix_fallocate sets errno on failure because fallocate does it. But POSIX does not forbid it thus it's not a problem. Signed-off-by: Yuriy Kolerov <yuriy.kolerov@synopsys.com>
2015-10-05libc: fix sign extension in fallocate()Yuriy Kolerov
For common generic syscall ABI fallocate syscall handler in kernel expects a 64-bit signed arguments for offset and len. However uClibc has 2 wrappers for this syscall: fallocate and fallocate64. On 32-bit machines fallocate (not fallocate64) expects 32-bit values of offset and len. Thus in this case uClibc's fallocate must pass to the syscall those values with sign extension. High word of 64-bit value must be 0 or 0xFFFFFFFF depending on sign of the original 32-bit value (offset or len). It is how sign extansion works - all high bits of the negative value must be 1. So on 32-bit machines uClibc's fallocate does sign extension incorrectly when 32-bit values are passed (offset or len). It just fills the second word of 64-bit value by zeros. E.g. fallocate works incorrectly when offset or length is negative value - in this case kernel thinks that positive values are passed. Solution is to call fallocate64 from fallocate and pass 32-bit values of offset and len to fallocate64. off_t type is automatically converted to off64_t with an appropriate sign extension. Then fallocate64 invokes kernel's system call properly. This error is detected in LTP's test kernel/syscalls/fallocate02: ----------->8---------- fallocate(..., 1, -1024, 1024) failed, expected errno:22: TEST_ERRNO=0 fallocate(..., 1, 1024, -1024) failed, expected errno:22: TEST_ERRNO=0 fallocate(..., 1, 12288, -1024) failed, expected errno:22: TEST_ERRNO=0 fallocate(..., 1, -24576, 1024) failed, expected errno:22: TEST_ERRNO=0 ----------->8---------- fallocate does not emit an error because negative values are passed to the kernel without sign extension and kernel thinks that it got valid positive values. Signed-off-by: Yuriy Kolerov <yuriy.kolerov@synopsys.com>
2015-10-05libc: fix setting return value and errno in fallocate()Yuriy Kolerov
fallocate system call must return 0 on success. On error, -1 is returned and errno is set to indicate the error. However there is an error in fallocate which is fixed by this patch - it does not set errno and returns invalid value on error (it returns error code instead of -1). This error is detected in LTP's test kernel/syscalls/fallocate02: ----------->8---------- fallocate(..., 1, 0, 1024) failed, expected errno:9: TEST_ERRNO=0 fallocate(..., 1, -1024, 1024) failed, expected errno:22: TEST_ERRNO=0 fallocate(..., 1, 1024, -1024) failed, expected errno:22: TEST_ERRNO=0 fallocate(..., 1, 12288, 0) failed, expected errno:22: TEST_ERRNO=0 fallocate(..., 1, 12288, -1024) failed, expected errno:22: TEST_ERRNO=0 fallocate(..., 1, -24576, 1024) failed, expected errno:22: TEST_ERRNO=0 ----------->8---------- Signed-off-by: Yuriy Kolerov <yuriy.kolerov@synopsys.com>
2015-08-14fix some type differences to linux-next for h8/300Waldemar Brodkorb
2015-08-02fix inline asm changing the stack pointer leading to segfaults problemmirabilos
2015-08-02fix MIPS N32 ABI Big Endian setjmp/longjmpmirabilos
access to the jmp_buf structure occasionally happens asymmetrically: fields defined in pointer size width (64 on N32) can be accessed as 32-bit words, but in that case, a̲l̲l̲ involved code must agree on that…
2015-08-02integrate old m68k vfork bugfix of pre-µClibc-ng treemirabilos
2015-06-23xtensa: add ret_ERRVAL definitionMax Filippov
ret_ERRVAL is used by mq_timedsend and mq_timedreceive, it needs to be defined to retw, otherwise error return from those functions segfaults. This fixes the following testsuite failures: .... tst-mqueue1 FAIL tst-mqueue1 got 1 expected 0 Didn't expect signal from child: got `Segmentation fault' .... tst-mqueue2 FAIL tst-mqueue2 got 1 expected 0 Didn't expect signal from child: got `Segmentation fault' .... tst-mqueue3 FAIL tst-mqueue3 got 1 expected 0 Didn't expect signal from child: got `Segmentation fault' .... tst-mqueue4 FAIL tst-mqueue4 got 1 expected 0 Didn't expect signal from child: got `Segmentation fault' .... tst-mqueue5 FAIL tst-mqueue5 got 1 expected 0 Didn't expect signal from child: got `Segmentation fault' .... tst-mqueue6 FAIL tst-mqueue6 got 1 expected 0 Didn't expect signal from child: got `Segmentation fault' Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2015-06-23xtensa: fix stack frame size for NPTLMax Filippov
Cancellable syscalls use call8 to call functions that enable/disable cancellation, thus they cannot use the default FRAMESIZE. Redefine FRAMESIZE for such syscalls. This fixes the following testsuite failure: .... tst-mqueue8 FAIL tst-mqueue8 got 1 expected 0 going to cancel mq_receive in-time in-time mq_receive cancellation succeeded going to cancel mq_receive early Didn't expect signal from child: got `Segmentation fault' Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2015-06-10just use 4k pages for microblaze, the config are missing and never committed ↵Waldemar Brodkorb
into uClibc
2015-06-10use common ptrace.h for xtensa, fixes buildroot issues compiling enlightmentWaldemar Brodkorb
2015-06-10h8300: Makefile updateYoshinori Sato
Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-06-10h8300: headers updateYoshinori Sato
- wire up new kernel Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-06-10h8300: Assembly functionsYoshinori Sato
- remove symbol prefix - new startup - new clone syscall support Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-06-10siginfo: add signal info for seccomp related SIGSYSDaniel Golle
uClibc doesn't define signal info for the SIGSYS signal which is issued in case of hitting a syscall prohibited by seccomp. This is sad as it makes debugging seccomp filter policies impossible on some architectures (at least ARM and PowerPC, maybe also others) which do not coincidentally set si_value.sival_int as the syscall number. To fix this, import the definitions and macros needed from glibc. Signed-off-by: Daniel Golle <daniel@makrotopia.org> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-04-25Revert "Do not define unimplemented functions"Waldemar Brodkorb
This reverts commit bd3eaf83ef1b4954b6c0e7ba8bbdd29b2cd4a833. They are now implemented.
2015-04-24merge uClibc changesWaldemar Brodkorb
2015-04-22arm: Add BX and BXC macrosBernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-04-22arm: Fix POP_RET for armv4t && interworkingBernhard Reutner-Fischer
It seems the condition was reversed which lead to e.g. arm-920t being confused Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2015-04-18fix static linking of pthread appsWaldemar Brodkorb
When compiling python you get duplicate symbol problem. Seen in the autobuilders of buildroot project.
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