259065 |
07-Dec-2013 |
gjb |
- Copy stable/10 (r259064) to releng/10.0 as part of the 10.0-RELEASE cycle. - Update __FreeBSD_version [1] - Set branch name to -RC1
[1] 10.0-CURRENT __FreeBSD_version value ended at '55', so start releng/10.0 at '100' so the branch is started with a value ending in zero.
Approved by: re (implicit) Sponsored by: The FreeBSD Foundation |
256281 |
10-Oct-2013 |
gjb |
Copy head (r256279) to stable/10 as part of the 10.0-RELEASE cycle.
Approved by: re (implicit) Sponsored by: The FreeBSD Foundation
|
255361 |
07-Sep-2013 |
andrew |
On ARM EABI double precision floating point values are stored in the endian the CPU is in, i.e. little-endian on most ARM cores.
This allows ARMv4 and ARMv5 boards to boot with the ARM EABI.
|
253518 |
21-Jul-2013 |
andrew |
Teach siglongjmp about the VFP version of the setjmp buffer.
This fixes a bug where a call to sigsetjmp followed by siglongjmp may fail when run on a machine with VFP enabled.
|
251514 |
07-Jun-2013 |
andrew |
Finish pulling in the NetBSD setjmp/longjmp updates on ARM.
Store/restore the VFP registers in setjmp/longjmp on ARM EABI if VFP is enabled in the kernel. It checks the hw.floatingpoint sysctl to see if floating-point is available and uses this to determine if it should store them. If it does it uses a different magic value so longjmp is able to know if it should load them.
|
251509 |
07-Jun-2013 |
andrew |
Include machine/setjmp.h to get the definition of _JB_MAGIC__SETJMP. This allows us to remove it from the ARM copy of machine/asm.h.
|
251405 |
05-Jun-2013 |
andrew |
Remove part of the NetBSD longjmp code that was not ready to be merged.
|
251392 |
04-Jun-2013 |
andrew |
Start to merge the updated ARM NetBSD setjump/longjmp functions. To begin with merge the functions but leave out the code to save/load the VFP registers as that requires other changes to ensure the VFP is enabled first.
This removes storing the old fpa registers. These were never fully supported, and the only user of this code I can find have moved to newer CPUs which use a VFP.
|
251047 |
28-May-2013 |
kib |
The getcontext() from the __fillcontextx() call in the check_deferred_signal() returns twice, since handle_signal() emulates the return from the normal signal handler by sigreturn(2)ing the passed context. Second return is performed on the destroyed stack frame, because __fillcontextx() has already returned. This causes undefined and bad behaviour, usually the victim thread gets SIGSEGV.
Avoid nested frame and the need to return from it by doing direct call to getcontext() in the check_deferred_signal() and using a new private libc helper __fillcontextx2() to complement the context with the extended CPU state if the deferred signal is still present.
The __fillcontextx() is now unused, but is kept to allow older libthr.so to be used with the new libc.
Mark __fillcontextx() as returning twice [1].
Reported by: pgj Pointy hat to: kib Discussed with: dim Tested by: pgj, dim Suggested by: jilles [1] MFC after: 1 week
|
246706 |
12-Feb-2013 |
andrew |
When clang builds libc it may insert calls to __aeabi_* functions. Normally this is not a problem as they are resolved by libgcc. The exception is for the __aeabi_mem* functions. These call back into libc to the appropriate function. This causes issues for static binaries as we only link against libc once so there is no way for it to call into libgcc and back.
The fix for this is to include these symbols in libc but keep them hidden so binaries use the libgcc version.
|
246117 |
30-Jan-2013 |
kib |
Rework the __vdso_* symbols attributes to only make the symbols weak, 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
|
245655 |
19-Jan-2013 |
andrew |
Add the required __aeabi_* functions to libc.
The floating point functions are here rather than compiler-rt because the libc softfloat code allows us to set the rounding mode.
|
245651 |
19-Jan-2013 |
andrew |
Use the compiler-rt version __{u,}divsi3 and __{u,}modsi3 on ARM EABI
|
245650 |
19-Jan-2013 |
andrew |
Update the syscall calling convention for ARM EABI. We store the syscall in r7 and use ip to store the old version of r7 as it is not guaranteed to be kept when calling a subroutine. The kernel will preserve the register across system calls.
|
245084 |
06-Jan-2013 |
andrew |
Silence a clang warning by telling it we are only interested in left shifting the lower 32bits of the floating point value when we demangle it.
|
239271 |
15-Aug-2012 |
gonzo |
Merging of projects/armv6, part 2
Handle TLS for ARMv6 and ARMv7
|
237110 |
15-Jun-2012 |
kientzle |
Per kib, since __flt_rounds is being added to FreeBSD 10, it belongs in FBSD_1.3.
MFC after: 1 week
|
237039 |
14-Jun-2012 |
kientzle |
__flt_rounds is a public symbol (expands from the FLT_ROUNDS macro), so include it in the public namespace on arm just as with other architectures.
This corrects r236816.
Submitted by: Jan Sieka MFC after: 1 week
|
236816 |
09-Jun-2012 |
kientzle |
__flt_rounds was omitted from the exported symbols here.
Submitted by: Jan Sieka Reviewed by: arm@ MFC after: 1 week
|
234337 |
16-Apr-2012 |
andrew |
Replace the C implementation of __aeabi_read_tp with an assembly version. This ensures we follow the ABI by preserving registers r1-r3.
Reviewed by: jmallett, imp
|
234014 |
08-Apr-2012 |
andrew |
Unlike other functions __aeabi_read_tp function must preserve r1-r3. The currently generated code clobbers r3. Fix this by loading ARM_TP_ADDRESS using inline assembly.
Approved by: imp (mentor)
|
234006 |
07-Apr-2012 |
stas |
- Revert part of r234005, which I did not intend to commit. Sorry! :(
|
234005 |
07-Apr-2012 |
stas |
- Add kernel config file for QEMU-emulated gumstix board.
|
233107 |
18-Mar-2012 |
gonzo |
Unbreak trhe build by including proper header
|
233106 |
18-Mar-2012 |
gonzo |
Fix TLS for statically linked binaries
Approved by: cognet
|
232497 |
04-Mar-2012 |
cognet |
Add __aeabi_read_tp to the symbol list.
|
231616 |
14-Feb-2012 |
gonzo |
Add __aeabi_read_tp function required for thread-local storage
Reviewed by: cognet
|
230864 |
01-Feb-2012 |
kib |
Make the sys/ucontext.h self-contained by changing the return type of __getcontextx_size(3) from size_t to int.
PR: ports/164654 MFC after: 1 month
|
230429 |
21-Jan-2012 |
kib |
Add API for obtaining extended machine context states that cannot be fit into existing mcontext_t.
On i386 and amd64 do return the extended FPU states using getcontextx(3). For other architectures, getcontextx(3) returns the same information as getcontext(2).
Tested by: pho MFC after: 1 month
|
230367 |
20-Jan-2012 |
das |
Don't inline fenv.h functions on arm for now. Inlining makes sense: the function bodies require only 2 to 10 instructions. However, it leads to application binaries that refer to a private ABI, namely, the softfloat innards in libc. This could complicate future changes in the implementation of the floating-point emulation layer, so it seems best to have programs refer to the official fe* entry points in libm.
|
230191 |
16-Jan-2012 |
das |
Implement FLT_ROUNDS for arm. Some (all?) arm FPUs lack support for dynamic rounding modes, but FPUless chips that use softfloat can support it because everything is emulated anyway. (We presently have incomplete support for hardware FPUs.)
Submitted by: Ian Lepore
|
230189 |
16-Jan-2012 |
das |
Convert softfloat to use the standard exception flag and rounding macros in fenv.h instead of the non-standard and incomplete ones in ieeefp.h.
Thanks to Ian Lepore for testing this patch.
|
230188 |
16-Jan-2012 |
das |
Correct some bugs that resulted from arm/_fpmath.h being blindly copied from the x86 version, which has a completely different long double format.
Submitted by: Maks Verver
|
229368 |
03-Jan-2012 |
ed |
Merge index() and strchr() together.
As I looked through the C library, I noticed the FreeBSD MIPS port has a hand-written version of index(). This is nice, if it weren't for the fact that most applications call strchr() instead.
Also, on the other architectures index() and strchr() are identical, meaning we have two identical pieces of code in the C library and statically linked applications.
Solve this by naming the actual file strchr.[cS] and let it use __strong_reference()/STRONG_ALIAS() to provide the index() routine. Do the same for rindex()/strrchr().
This seems to make the C libraries and static binaries slightly smaller, but this reduction in size seems negligible.
|
226606 |
21-Oct-2011 |
das |
Replace a proliferation of buggy MD implementations of modf() with a working MI one. The MI one only needs to be overridden on machines with non-IEEE754 arithmetic. (The last supported one was the VAX.) It can also be overridden if someone comes up with a faster one that actually passes the regression tests -- but this is harder than it sounds.
|
218909 |
21-Feb-2011 |
brucec |
Fix typos - remove duplicate "the".
PR: bin/154928 Submitted by: Eitan Adler <lists at eitanadler.com> MFC after: 3 days
|
204607 |
02-Mar-2010 |
joel |
The NetBSD Foundation has granted permission to remove clause 3 and 4 from their software.
Obtained from: NetBSD
|
194704 |
23-Jun-2009 |
ed |
Remove unneeded stdlib directories.
It's not necessary to add stdlib directories for each architecture, even if the architecture doesn't implement any files of its own.
Submitted by: Christoph Mallon
|
194585 |
21-Jun-2009 |
stas |
- Eliminate extra subcs instruction. I have not noticed before that we always perform substraction now, so no instruction could be rordered to eliminate the conditional substraction.
|
194583 |
21-Jun-2009 |
stas |
- Fix strncmp on arm. Return 0 as result without performing the main cycle only if the len passed is equal to 0. If end address overflows use last possible address as the end address.
Based on: discussion on arm@ MFC after: 1 month
|
193145 |
31-May-2009 |
marcel |
Use GCC's __SOFTFP__ to test whether we're being compiled with softfloat or not. Now -msoft-float can be overridden more easily.
|
191836 |
06-May-2009 |
sam |
revert r191633; this breaks at91 & xscale (likely all arm)
|
191633 |
28-Apr-2009 |
cognet |
Change the test at the beginning of strncmp(), from being if (len - 1) < 0 to if (len == 0). The length is supposed to be unsigned, so len - 1 < 0 won't happen except if len == 0 anyway, and it would return 0 when it shouldn't, if len was > INT_MAX.
Spotted out by: Channa <channa kad gmail com>
|
188827 |
19-Feb-2009 |
imp |
These warnings are only relevant on NetBSD it seems. They don't seem to be relevant to FreeBSD at all.
|
186461 |
23-Dec-2008 |
marcel |
Add support for the FPA floating-point format on ARM. The FPA floating-point format is identical to the VFP format, but is always stored in big-endian. Introduce _IEEE_WORD_ORDER to describe the byte-order of the FP representation.
Obtained from: Juniper Networks, Inc
|
184789 |
09-Nov-2008 |
ed |
Mark uname(), getdomainname() and setdomainname() with COMPAT_FREEBSD4.
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
|
183876 |
14-Oct-2008 |
raj |
Let libstand(3) build on ARM.
This is a pre-requisite for loader(8) + U-Boot support library on this arch.
|
174680 |
16-Dec-2007 |
das |
Arrange so that the NaN returned by strtod("nan", NULL) is the same as the NaN returned by strtod("nan()", NULL).
|
172775 |
18-Oct-2007 |
cognet |
Unbreak arm build by removing duplicate symbols.
|
172616 |
13-Oct-2007 |
cognet |
MFKernel: do not use __XSCALE__ to detect if clz/pld/ldrd/strd are available, use _ARM_ARCH_5/_ARM_ARCH_5E instead.
MFC After: 3 days
|
171261 |
05-Jul-2007 |
peter |
Fix remaining syntax errors (missing semicolons)
Submitted by: Björn König <bkoenig@cs.tu-berlin.de> Approved by: re (kensmith, followup commits)
|
171222 |
04-Jul-2007 |
peter |
Add missing \ characters in PSEUDO() macro on arm. Oops.
Submitted by: cognet Approved by: re (kensmith)
|
171218 |
04-Jul-2007 |
peter |
Classify mmap, lseek, pread, pwrite, truncate, ftruncate as pseudo 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)
|
171217 |
04-Jul-2007 |
peter |
Adjust the syscall stub macros to be consistent in their meaning. In particular: SYSCALL() makes a syscall, with errno handling, and continues execution directly after the macro in the non-error case. RSYSCALL() is just like SYSCALL(), but returns after success. Both SYSCALL(name) and RSYSCALL(name) export "__sys_name" as a strong symbol, with "_name" and "name" as weak aliases. PSEUDO() is just like RSYSCALL(), but skipping the "name" weak alias. It still does "__sys_name" and "_name".
Change i386 to add errno handling to PSEUDO. The same for amd64 and sparc64, with appear to have copied the behavior. ia64 was correct (as was alpha). Just remove some apparently unused variants of the macros. (untested!) I believe powerpc is correct. Fix arm to not export "name" from the PSEUDO case. Remove apparently extra unused variants. (untested!)
The errno problem manifested on i386/amd64/sparc64 by having "PSEUDO" classified syscalls return without setting errno. eg: "addr = mmap()" could return with "addr" = 22 instead of setting errno to 22 and returning -1.
Approved by: re (kensmith)
|
171061 |
27-Jun-2007 |
kan |
Fix sbrk.S to use _end symbol the same way brk.s was fixed some time ago. sbrk.S should have gotten the same change then but was forgotten.
Approved by: re (bmah) PR: kern/114049
|
170154 |
31-May-2007 |
deischen |
Some libc symbol map cleanups.
net: endhostdnsent is named _endhostdnsent and is private to netdb family of functions.
posix1e: acl_size.c has been never compiled in, so there's no "acl_size".
rpc: "getnetid" is a static function.
stdtime: "gtime" is #ifdef'ed out in the source.
some symbols are specific only to some architectures, e.g., ___tls_get_addr is only defined on i386.
__htonl, __htons, __ntohl and __ntohs are no longer functions, they are now (internal) defines in <machine/endian.h>.
Submitted by: ru
|
169768 |
19-May-2007 |
cognet |
Use __mcount() instead of _mcount() to reduce diffs with NetBSD.
|
169722 |
19-May-2007 |
kan |
Use built-in _end symbol insteadof 'end' for consistency with other architectures. Linker defines end is synonym for _end.
|
169721 |
19-May-2007 |
kan |
Do not declare float_detect_tininess as external if it will be re-delared as static later.
|
169593 |
16-May-2007 |
kan |
Do not export 'end' symbol. It is not meant to be visible to outside world and it wreak havoc if libc collides with other versioned libraries.
|
169525 |
13-May-2007 |
deischen |
Remove .mcount from gmon's Symbol map and add it to the appropriate arch. It can be named differently depending on the arch (.mcount, _mcount).
Submitted by: marius
|
169092 |
29-Apr-2007 |
deischen |
Use C comments since we now preprocess these files with CPP.
|
165747 |
03-Jan-2007 |
das |
The distinction between quiet and signaling NaN formats is machine-dependent; these files tell the latest version of gdtoa what to do.
|
164109 |
09-Nov-2006 |
cognet |
Cleanup: we always have to use __error() now, and we shouldn't provide a errno symbol, so completely remove the !_REENTRANT case.
Spotted out by: ru
|
164103 |
08-Nov-2006 |
ru |
Remove a forgotten file.
|
164053 |
06-Nov-2006 |
cognet |
Instead of re-implementing hton[ls] and friends for each arch, add a new MI file, net/ntoh.c, which just implement them using the inline functions from <sys/endian.h>.
Suggested by: bde
|
164051 |
06-Nov-2006 |
cognet |
Provide definitions suitable for arm big-endian.
|
161509 |
21-Aug-2006 |
cognet |
If __ARMEB__ is defined, we're already using the network byte order, so there's no need to to anything in the hton* functions, beside returning the parameter.
Spotted out by: Oleksandr Tymoshenko <gonzo@freebsd.org>
|
158846 |
23-May-2006 |
imp |
GC old a.out and K&R support.
|
156613 |
13-Mar-2006 |
deischen |
Add each directory's symbol map file to SYM_MAPS.
|
156608 |
13-Mar-2006 |
deischen |
Add symbol maps and initial symbol version definitions to libc.
Reviewed by: davidxu
|
150877 |
03-Oct-2005 |
cognet |
Fix a long line in copyright notice.
Pointed out by: Gavin Atkinson gavin.atkinson ury york ac uk
|
150875 |
03-Oct-2005 |
cognet |
Add an asm version of strlen() for arm (how useful).
|
143858 |
20-Mar-2005 |
cognet |
Use the correct values for softfloat, in both the little endian and the big endian cases.
|
143214 |
07-Mar-2005 |
das |
Define LDBL_NBIT to be a mask indicating the position of the integer bit in a long double. For architectures that don't have such a bit, LDBL_NBIT is 0. This makes it possible to say `mantissa & ~LDBL_NBIT' in places that previously used an #ifdef to select the right expression. The optimizer should dispense with the extra arithmetic when LDBL_NBIT is 0.
|
141379 |
06-Feb-2005 |
das |
Update my email address.
|
140607 |
22-Jan-2005 |
das |
Replace the ldexp() implementation in libc with a renamed copy of the scalbn() implementation from libm. (The two functions are defined to be identical, but ldexp() lives in libc for backwards compatibility.) The old ldexp() implementation... - was more complicated than this one - set errno instead of raising FP exceptions - got some corner cases wrong (e.g. ldexp(1.0, 2000) in round-to-zero mode)
The new implementation lives in libc/gen instead of libc/$MACHINE_ARCH/gen, since we don't need N copies of a machine-independent file. The amd64 and i386 platforms retain their fast and correct MD implementations and override this one.
|
140279 |
15-Jan-2005 |
das |
Eliminate gdtoa.mk and move its contents to ${MACHINE_ARCH}/Makefile.inc. The purpose of having a separate file involved an abandoned scheme that would have kept contrib/gdtoa out of the include path for the rest of libc.
|
137464 |
09-Nov-2004 |
cognet |
Use the RET macro. For setjmp() and longjmp(), put the signal mask where it's supposed to be, instead of in the space reserved for fp regs.
|
137461 |
09-Nov-2004 |
cognet |
Add a week alias __siglongjmp => siglongjmp.
|
137343 |
07-Nov-2004 |
cognet |
MFKernel: Implement ffs with clz on Xscale.
|
137287 |
05-Nov-2004 |
cognet |
Don't define SOFTFLOAT directly in source files, it's now done in the Makefile.
|
137286 |
05-Nov-2004 |
cognet |
Fix signalcontext and makecontext.
|
137285 |
05-Nov-2004 |
cognet |
Remove getcontext.S, it is not needed.
|
137284 |
05-Nov-2004 |
cognet |
Import a Makefile for arm.
|
135685 |
23-Sep-2004 |
cognet |
Make setjmp()/longjmp() use sigprocmask.
|
135684 |
23-Sep-2004 |
cognet |
Add a dummy set_tp().
|
135683 |
23-Sep-2004 |
cognet |
Always use bx for returning on Xscale.
Obtained from: NetBSD
|
135682 |
23-Sep-2004 |
cognet |
Fix the align-to-32-bits code.
Obtained from: NetBSD
|
132366 |
18-Jul-2004 |
das |
Replace seven nominally MD implementations of frexp() that are broken for subnormals with one implementation that works.
|
131852 |
09-Jul-2004 |
das |
Implement the classification macros isfinite(), isinf(), isnan(), and isnormal() the hard way, rather than relying on fpclassify(). This is a lose in the sense that we need a total of 12 functions, but it is necessary for binary compatibility because we have never bumped libm's major version number. In particular, isinf(), isnan(), and isnanf() were BSD libc functions before they were C99 macros, so we can't reimplement them in terms of fpclassify() without adding a dependency on libc.so.5. I have tried to arrange things so that programs that could be compiled in FreeBSD 4.X will generate the same external references when compiled in 5.X. At the same time, the new macros should remain C99-compliant.
The isinf() and isnan() functions remain in libc for historical reasons; however, I have moved the functions that implement the macros isfinite() and isnormal() to libm where they belong. Moreover, half a dozen MD versions of isinf() and isnan() have been replaced with MI versions that work equally well.
Prodded by: kris
|
129202 |
14-May-2004 |
cognet |
Import the FreeBSD/arm libc bits.
Obtained from: NetBSD
|