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* MFC r304928:kib2016-09-032-50/+1
| | | | | | | | | | | | | Do not obliterate errno value in the main thread during ptrace(2) call on x86. MFC r304931: Follow ABI when calling __error from the ptrace(2) wrapper. MFC r305012: Rewrite ptrace(2) wrappers in C. MFC r305022: Restore the requirement of setting errno to zero before calling ptrace(2).
* MFC r270882, r270930:ian2014-09-096-0/+6
| | | | | | | | | | | | | In ARM asm code, ensure that every ENTRY(foo) has a matching END(foo). The EABI unwind info requires a .fnend for every .fnstart, and newer binutils will complain about seeing two .fnstart in a row. This change allows newer tools to compile our code. Do not generate unwind info in asm functions if _STANDALONE is defined. The .fnend op causes the assembler to emit RELOC references to unwind support functions that don't exist in libstand. Approved by: re(gjb)
* Rework the __vdso_* symbols attributes to only make the symbols weak,kib2013-01-302-0/+50
| | | | | | | | | | but use normal references instead of weak. This makes the statically linked binaries to use fast gettimeofday(2) by forcing the linker to resolve references and providing the neccessary functions. Reported by: bde Tested by: marius (sparc64) MFC after: 2 weeks
* These warnings are only relevant on NetBSD it seems. They don't seemimp2009-02-191-3/+0
| | | | to be relevant to FreeBSD at all.
* Mark uname(), getdomainname() and setdomainname() with COMPAT_FREEBSD4.ed2008-11-091-2/+1
| | | | | | | | | | | | | | | | | | | | | Looking at our source code history, it seems the uname(), getdomainname() and setdomainname() system calls got deprecated somewhere after FreeBSD 1.1, but they have never been phased out properly. Because we don't have a COMPAT_FREEBSD1, just use COMPAT_FREEBSD4. Also fix the Linuxolator to build without the setdomainname() routine by just making it call userland_sysctl on kern.domainname. Also replace the setdomainname()'s implementation to use this approach, because we're duplicating code with sysctl_domainname(). I wasn't able to keep these three routines working in our COMPAT_FREEBSD32, because that would require yet another keyword for syscalls.master (COMPAT4+NOPROTO). Because this routine is probably unused already, this won't be a problem in practice. If it turns out to be a problem, we'll just restore this functionality. Reviewed by: rdivacky, kib
* Classify mmap, lseek, pread, pwrite, truncate, ftruncate as pseudopeter2007-07-041-3/+6
| | | | | | | | | | syscalls, unless WITHOUT_SYSCALL_COMPAT is defined. The default case will have the .c wrappers still. If you define WITHOUT_SYSCALL_COMPAT, the .c wrappers will go away and libc will make direct syscalls. After 7-stable starts, the direct syscall method will be default. Approved by: re (kensmith)
* Fix sbrk.S to use _end symbol the same way brk.s was fixed some timekan2007-06-271-2/+2
| | | | | | | ago. sbrk.S should have gotten the same change then but was forgotten. Approved by: re (bmah) PR: kern/114049
* Use built-in _end symbol insteadof 'end' for consistency with otherkan2007-05-191-2/+2
| | | | architectures. Linker defines end is synonym for _end.
* Cleanup: we always have to use __error() now, and we shouldn't provide acognet2006-11-092-58/+1
| | | | | | errno symbol, so completely remove the !_REENTRANT case. Spotted out by: ru
* Use the RET macro.cognet2004-11-096-6/+7
| | | | | For setjmp() and longjmp(), put the signal mask where it's supposed to be, instead of in the space reserved for fp regs.
* Remove getcontext.S, it is not needed.cognet2004-11-052-64/+1
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* Import the FreeBSD/arm libc bits.cognet2004-05-1412-0/+655
Obtained from: NetBSD
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