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* Add ALTEXIT_{STRONG,WEAK} to support wrapping of functions using ALTENTRY.guenther2015-08-311-0/+1
| | | | | | Fix memmove with that ok deraadt@
* Add framework for resolving (pun intended) libc namespace issues, usingguenther2015-08-311-6/+2
| | | | | | | | | | | | wrapper .h files and asm labels to let internal calls resolve directly and not be overridable or use the PLT. Then, apply that framework to most of the functions in stdio.h, string.h, err.h, and wchar.h. Delete the should-have-been-hidden-all-along _v?(err|warn)[cx]? symbols while here. tests clean on i386, amd64, sparc64, powerpc, and mips64 naming feedback from kettenis@ and millert@ ok kettenis@
* Make index/rindex weak aliases of strchr/strrchr since they are notmillert2015-05-151-2/+2
| | | | | part of the ISO C standard and have also been dropped from POSIX. OK guenther@ kettenis@
* memmove/bcopy from libkern, almost certainly the unrolling here isderaadt2014-12-052-2/+162
| | | | | | beneficial because the compiler tends to do small known-size blocks inline. Continue using the MI memcpy.c for now. ok miod
* restructure libc/string + libc/arch/*/string coperation regardingderaadt2014-11-301-6/+7
| | | | | | | | | | | | | | | | (potentially) MD versions (function dependent, not filename dependent) split out memcpy/memmove/bcopy and strchr/index/strrchr/rindex Bring back amd64 .S versions And the final touch: switch all architectures temporarily to MI memcpy.c, which contains syslog + abort for overlapping copies. A nice harsh undefined behaviour. We will clean the entire userland of the remaining issues in this catagory, then switch to the optimised memcpy which skips the memmove check. I tried to cut this change into pieces, but testing each sub-step on every architecture is too time consuming and mindnumbing. ok miod
* mi versions are good enoughmickey2002-09-103-348/+4
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* sync from libkern (where the major fix was done or the kernel piece of this)mickey2002-08-271-18/+22
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* forgot to fix this while was fixing copy_on_fault shitzmickey2002-08-131-4/+4
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* we can live very well w/ MI ffs()mickey2002-07-082-62/+2
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* save the old onfault where the handler expects it to be, do not zero out on exit, but restoremickey2002-05-201-2/+3
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* reverse the conditionmickey2002-03-081-2/+2
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* set ret for mem*, no mycopy, better reverse copy checkmickey2002-03-081-5/+3
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* use c versionsmickey2002-02-253-199/+3
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* additional condition on reverse copy; from fredette@mickey2002-02-071-1/+2
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* make this compile for kernelmickey2001-09-201-4/+4
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* oh, just include machine/asm.hmickey2001-06-041-3/+3
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* entrieness cleanupmickey2001-06-045-15/+19
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* fix fork, brk/sbrk; rcsid embeddingmickey2001-03-293-4/+22
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* correct arg order addi/subi, newer gas catches thismickey2001-03-281-5/+7
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* ugly workaround for an .align parse bug in current binutilsmickey2000-01-122-3/+5
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* fix space regs load insns, also some tabs vs spacesmickey1999-12-051-19/+20
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* this is the bcopy we usemickey1999-09-144-492/+272
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* use assembler heremickey1999-04-272-3/+68
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* missing parts from last commitmillert1999-04-251-2/+2
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* some missing parts; sys is not ready yetmickey1998-12-171-0/+252
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* some libc parts; memmove.S to writtenmickey1998-08-285-0/+479