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* getaddrinfo /etc/services lookup supportRich Felker2012-07-221-3/+16
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* fix namespace issue in prototypes in math.hRich Felker2012-07-221-2/+2
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* fix wrong size for sigjmp_buf signal set arrayRich Felker2012-07-221-1/+1
| | | | 128 is the size in bytes, not longs.
* add floating point register saving/restoring to mips setjmp/longjmpRich Felker2012-07-223-2/+30
| | | | | | | also fix the alignment of jmp_buf to meet the abi. linux always emulates fpu on mips if it's not present, so enabling this code unconditionally is "safe" but may be slow. in the long term it may be preferable to find a way to disable it on soft float builds.
* make getservby*_r return error code rather than -1 (and using errno)Rich Felker2012-07-222-19/+35
| | | | untested but should be correct..
* fix logic error for skipping failed interfaces in if_nameindexRich Felker2012-07-211-8/+7
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* fix typo in aio.hRich Felker2012-07-191-1/+1
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* fix getservby*() with null pointer for protocol argumentRich Felker2012-07-142-0/+8
| | | | not sure this is the best fix but it should work
* avoid blx instruction which does not exist on armv4t or armv4Rich Felker2012-07-141-1/+2
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* make dynamic linker tell the debugger its own pathnameRich Felker2012-07-131-0/+5
| | | | | use the main program's PT_INTERP header if possible, since this is sure to be a correct (and hopefully absolute) pathname.
* fix broken mips a_fetch_addRich Felker2012-07-121-7/+7
| | | | sc was overwriting the result
* sigsetjmp asm for mipsRich Felker2012-07-121-0/+27
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* mipsel (little endian) supportRich Felker2012-07-121-1/+1
| | | | | | the fields in the mcontext_t are long long (for no good reason) even on 32-bit mips, so the offset of the instruction pointer (as a word) varies depending on endianness.
* workaround another sendmsg kernel bug on 64-bit machinesRich Felker2012-07-126-7/+42
| | | | | | | | | the kernel wrongly expects the cmsg length field to be size_t instead of socklen_t. in order to work around the issue, we have to impose a length limit and copy to a local buffer. the length limit should be more than sufficient for any real-world use; these headers are only used for passing file descriptors and permissions between processes over unix sockets.
* fix redef of sigprocmask constants on mipsRich Felker2012-07-122-2/+3
| | | | this fix is easier than trying to reorder the header stuff
* disable dynamic linking on mips for now (broken)Rich Felker2012-07-121-0/+5
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* more mips bits-header fixesRich Felker2012-07-122-2/+8
| | | | signal handling was very broken because of this
* fix mips syscalls with long long argsRich Felker2012-07-121-1/+1
| | | | | like arm, mips requires 64-bit arguments to be "aligned" on an even register boundary.
* fix several locks that weren't updated right for new futex-based __lockRich Felker2012-07-124-10/+10
| | | | | | these could have caused memory corruption due to invalid accesses to the next field. all should be fixed now; I found the errors with fgrep -r '__lock(&', which is bogus since the argument should be an array.
* fix pthread_kill unlockingRich Felker2012-07-121-1/+1
| | | | it had not been updated for the futex-based locks
* fix breakage of x86_64 sigaction from recent changes for mipsRich Felker2012-07-121-1/+1
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* fix mips mcontext_t structure sizeRich Felker2012-07-121-1/+5
| | | | | otherwise offs in ucontext_t will be wrong, and break code that inspects or modifies the signal makes (including cancellation code).
* fix potential race condition in detached threadsRich Felker2012-07-112-4/+10
| | | | | | | after the thread unmaps its own stack/thread structure, the kernel, performing child tid clear and futex wake, could clobber a new mapping made at the same location as the just-removed thread's tid field. disable kernel clearing of child tid to prevent this.
* mips clone: don't free stack space used to copy argRich Felker2012-07-111-1/+0
| | | | | | the mips abi reserves stack space equal to the size of the in-register args for the callee to save the args, if desired. this would cause the beginning of the thread structure to be clobbered...
* fix mips clone() on real linux kernelRich Felker2012-07-111-4/+7
| | | | | | the old code worked in qemu app-level emulation, but not on real kernels where the clone syscall does not copy the register values to the new thread. save arguments on the new thread stack instead.
* fix MAP_ANONYMOUS value for mips, remove cruft copied from i386Rich Felker2012-07-111-2/+1
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* fix clone() on mips (args were in wrong order)Rich Felker2012-07-111-3/+2
| | | | with this change, threads on mips seem to be working
* first attempt at making threads work on mipsRich Felker2012-07-113-0/+67
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* generic c version of __set_thread_area for archs where it worksRich Felker2012-07-111-1/+5
| | | | on other archs, like x86[_64], asm version is required
* initial version of mips (o32) port, based on work by Richard Pennington (rdp)Rich Felker2012-07-1138-0/+2196
| | | | | | | | | | | | | basically, this version of the code was obtained by starting with rdp's work from his ellcc source tree, adapting it to musl's build system and coding style, auditing the bits headers for discrepencies with kernel definitions or glibc/LSB ABI or large file issues, fixing up incompatibility with the old binutils from aboriginal linux, and adding some new special cases to deal with the oddities of sigaction and pipe syscall interfaces on mips. at present, minimal test programs work, but some interfaces are broken or missing. threaded programs probably will not link.
* remove unused var in new sigaction codeRich Felker2012-07-111-1/+1
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* use unsigned bitmask for consistency in ksigactionRich Felker2012-07-111-1/+1
| | | | | the type doesn't actually matter, just the size, but it's nice to be consistent...
* fix breakage from last commit: forgot to include ksigaction.hRich Felker2012-07-111-0/+6
| | | | this file can be overridden by a same-named file in an arch dir.
* changes to kernel sigaction struct handling in preparation for mips portRich Felker2012-07-113-15/+18
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* make dynamic linker depend on -DSHARED not -fPICRich Felker2012-07-111-1/+1
| | | | | | if libc.a is compiled PIC for use in static PIE code, this should not cause the dynamic linker (which still does not support static-linked main program) to be built into libc.a.
* fix lots of breakage on dlopen, mostly with explicit pathnamesRich Felker2012-07-111-14/+21
| | | | | | | | | | | | | | | | | | most importantly, the name for such libs was being set from an uninitialized buffer. also, shortname always had an initial '/' character, making it useless for looking up already-loaded libraries by name, and thus causing repeated searches through the library path. major changes now: - shortname is the base name for library lookups with no explicit pathname. it's initially clear for libraries loaded with an explicit pathname (and for the main program), but will be set if the same library (detected via inodes match) is later found by a search. - exact name match is never used to identify libraries loaded with an explicit pathname. in this case, there's no explicit search, so we can just stat the file and check for inode match.
* support -mfpmath=387 on x86_64Rich Felker2012-07-101-0/+4
| | | | apparently somebody wants this for something... and it doesn't hurt.
* fix wrong value of FLT_EVAL_METHOD for x86_64Rich Felker2012-07-101-1/+1
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* make arm syscalls (still non-inline) more efficientRich Felker2012-07-081-6/+6
| | | | no need to pass zero for unused arguments; just omit them.
* remove little-endian assumption from arm atomic.hRich Felker2012-07-081-4/+6
| | | | this hidden endian dependency had left big endian arm badly broken.
* fix dlsym RTLD_NEXT supportRich Felker2012-07-071-1/+3
| | | | | | | | previously this was being handled the same as a library-specific, dependency-order lookup on the next library in the global chain, which is likely to be utterly meaningless. instead the lookup needs to be in the global namespace, but omitting the initial portion of the global library chain up through the calling library.
* putw is supposed to return 0 (not the value written) on successRich Felker2012-07-041-1/+1
| | | | | this is not a standard but it's the traditional behavior and it's more useful because the caller can reliably detect errors.
* make sure getw/putw agree with prototypes by defining _GNU_SOURCERich Felker2012-07-042-0/+2
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* add prototypes for getw/putwRich Felker2012-07-041-0/+2
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* configure: only use -ffloat-store on i386Rich Felker2012-07-031-1/+1
| | | | | | | | | this option is expensive and only used on old gcc's that lack -fexcess-precision=standed, but it's not needed on non-i386 archs where floating point does not have excess precision anyway. if musl ever supports m68k, i think it will need to be special-cased too. i'm not aware of any other archs with excess precision.
* jmp_buf overhaul fixing several issuesRich Felker2012-07-036-14/+15
| | | | | | | | | | | | | on arm, the location of the saved-signal-mask flag and mask were off by one between sigsetjmp and siglongjmp, causing incorrect behavior restoring the signal mask. this is because the siglongjmp code assumed an extra slot was in the non-sig jmp_buf for the flag, but arm did not have this. now, the extra slot is removed for all archs since it was useless. also, arm eabi requires jmp_buf to have 8-byte alignment. we achieve that using long long as the type rather than with non-portable gcc attribute tags.
* fix sigsetjmp on arm (needs asm)Rich Felker2012-07-021-0/+13
| | | | | | no idea why gcc refuses to compile the C code to use a tail call, but it's best to use asm anyway so we don't have to rely on the quality of the compiler's optimizations for correct code.
* fix missing function declarations for __stdio_exitRich Felker2012-07-022-0/+4
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* fix missing prototype and simplify sincosl on ld64 archsRich Felker2012-07-021-4/+2
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* fix invalid implicit pointer conversion in ld64 modflRich Felker2012-07-021-1/+1
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