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2010-11-24config_parser: hide symbolsBernhard Reutner-Fischer
Our impl has diverged from busybox' so make sure nobody else uses it. Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2010-11-24test: ignore some more binariesBernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2010-11-24wchar: bug #1471: fix cornercase in mbrtowcBernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2010-11-24buildsys: add make {,install_}startfilesBernhard Reutner-Fischer
This builds and installs the crt files. Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2010-11-24test/math: bessel depend on XSI_MATHBernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2010-11-23resolv.c fails for /etc/hosts lookupsPhilip Nye
Patch attached: Fix a bug in offset calculations when parsing /etc/hosts in resolv.c. Formerly a miscalculation meant that having found the correct line, the code was trashing its own result data. Signed-off-by: Philip Nye <philipn@engarts.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2010-11-18Disables the automatic disable of shared library for sparc-v7.Konrad Eisele
I dont see a dependency between shared library and v7. The difference between v7 and v8 is that in v8 you have the added math asm-insns: smul/umul/udiv/sdiv/urem. It shouldnt affect shared libraries creation. Signed-off-by: Konrad Eisele <konrad@gaisler.com> Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
2010-11-18Adding quad float gcc intrinsic implementation for SPARCAustin Foxley
Sparc-Gcc generates q_xxx intrinsic calls for quad float ("long double") code. The routines from glibc's glibc-2.9/sysdeps/sparc/sparc32/soft-fp/* where taken and ported to uclibc. Signed-off-by: Konrad Eisele <konrad@gaisler.com> Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
2010-11-11ntpl: fix static linking by not leaking SSP_ALL_CFLAGSNatanael Copa
The SSP_ALL_CFLAGS in nptl arch CFLAGS leaks out and forces things like dl-support.c, brk.c, sbrk.c memcpy, etc to be built with -fstack-protector-all. This is bad when linking statically since initializing TLS will call those functions before SSP is initialized. The libpthread itself will still be built with -fstack-protector-all due to CFLAGS-nptl has SSP_ALL_CFLAGS in libpthread/nptl/Makefile.in Thanks to Timo Teras for helping with this. Signed-off-by: Natanael Copa <natanael.copa@gmail.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2010-11-10nptl: use correct unwind header for unwind-forcedunwindBernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2010-11-10microblaze: build infrastructureSteven J. Magnani
Fix Microblaze config and makefiles. Signed-off-by: Steven J. Magnani <steve@digidescorp.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2010-11-10microblaze: thread supportSteven J. Magnani
Header files needed to build linuxthreads.old for microblaze. Signed-off-by: Steven J. Magnani <steve@digidescorp.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2010-11-10microblaze: optimized memcpy/memmoveSteven J. Magnani
Port optimized memcpy/memmove from the kernel. Signed-off-by: Steven J. Magnani <steve@digidescorp.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2010-11-10microblaze: misc headersSteven J. Magnani
Other header files for uClibc compilation. Signed-off-by: Steven J. Magnani <steve@digidescorp.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2010-11-10microblaze: kernel headersSteven J. Magnani
Sync kernel header definitions with those used in recent mainline kernels. Signed-off-by: Steven J. Magnani <steve@digidescorp.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2010-11-10microblaze: Restore soft-floatSteven J. Magnani
Software floating point for microblaze. Signed-off-by: Steven J. Magnani <steve@digidescorp.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2010-11-10microblaze: vfork/clone interfaceSteven J. Magnani
Fix the microblaze vfork() and clone() implementations. Add support for clone2(). Signed-off-by: Steven J. Magnani <steve@digidescorp.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2010-11-10microblaze: syscall interfaceSteven J. Magnani
Fix the microblaze syscall interface. Recent mainline kernels no longer carry userland code to invoke syscalls and microblaze can use the uClibc generic code. Signed-off-by: Steven J. Magnani <steve@digidescorp.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2010-11-10microblaze: Fix crt bootstrapSteven J. Magnani
Rework crt bootstrap to work with the new __uClibc_main(), and hardwire crt init/fini code since the awk approach to generating it on the fly doesn't work for microblaze. The output from the gcc 4.1.2 compiler is scrambled so that the tags expected by the awk script to bracket the init/fini entry and exit code no longer do. Signed-off-by: Steven J. Magnani <steve@digidescorp.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2010-11-10microblaze: Fix setjmp/longjmpSteven J. Magnani
Some state and registers are missing from setjmp/longjmp handling. Signed-off-by: Steven J. Magnani <steve@digidescorp.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2010-11-02ldso/include/dl-hash.h: suppress compiler warning. no code changesDenys Vlasenko
The warning was repeated for every .c file which is including this header: ./ldso/include/dl-hash.h: In function '_dl_find_hash': ./ldso/include/dl-hash.h:150: warning: unused parameter 'tpntp' Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-11-02ldouble_wrappers: make code less verbose via WRAPPER2 macroDenys Vlasenko
Tested: ran testsuite Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-11-02ldouble_wrappers: remove i386-specific optimizationDenys Vlasenko
It is deemed too unsafe. Quoting Timo: If I'm building with "-fPIC -pg" it instruments all C functions with profiler stuff which is called via PLT and causes EBX reloads --> crash -fno-omit-frame-pointer is sometimes useful for profiling too --> crash Also the upcoming -fsplit-stack will be broken by this too (that might need additional uclibc support though). And I'm pretty sure there's also other similar compiler features. There's no predefined #defines in gcc for any of these. What I'm trying to say that there are *numerous* situations when the compiler can create stack frame for you without you ever knowing it. And if you want to do a tail jump, you really should be doing it from .S file where you control fully the prologue/epilogue code. (GCC naked attribute does not seem to work on x86.) Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-10-31libm: disable tail jump trick if __SSP_ALL__ (was using wrong conditional)Denys Vlasenko
Thanks, Timo! Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-10-31libm: fix tgamma to actually do return true gamma functionDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-10-31libm: improve readability of math.h; expand comments and docsDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-10-31libm: remove int_WRAPPER_C99 macro, add test which checks that I did not ↵Denys Vlasenko
break it Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-10-31libm: revert wrong ldouble wrapper hack "fix"Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-10-31libm: fix false positives in double testsDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-10-31libm: fix remaining failures in test-floatDenys Vlasenko
These two failures are fixed: Failure: Test: ilogb (0.0) == FP_ILOGB0 plus exceptions allowed Failure: Test: ilogb (NaN) == FP_ILOGBNAN plus exceptions allowed Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-10-30libm: fix rint/scalb testcase failuresDenys Vlasenko
These failures no longer happen: Failure: Test: scalb (2.0, 0.5) == NaN plus invalid exception Failure: Test: scalb (3.0, -2.5) == NaN plus invalid exception Failure: Test: rint (0.5) == 0.0 Failure: Test: rint (1.5) == 2.0 Failure: Test: rint (2.5) == 2.0 Failure: Test: rint (3.5) == 4.0 Failure: Test: rint (4.5) == 4.0 Failure: Test: rint (-0.5) == -0.0 Failure: Test: rint (-1.5) == -2.0 Failure: Test: rint (-2.5) == -2.0 Failure: Test: rint (-3.5) == -4.0 Failure: Test: rint (-4.5) == -4.0 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-10-30libm: fix powf testcase failuresDenys Vlasenko
Fixed failures: Failure: Test: pow (1, NaN) == 1 Failure: Test: pow (1, inf) == 1 Failure: Test: pow (-1, inf) == 1 Failure: Test: pow (1, -inf) == 1 Failure: Test: pow (-1, -inf) == 1 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-10-30libm: fix scalb testsuite failuresDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-10-30libm: fix testuite failure in modfDenys Vlasenko
This error is gone: Failure: Test: modf (NaN, &x) == NaN Result: is: -0.00000000000000000000e+00 -0 should be: nan nan Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-10-30test/math/*: unbreakDenys Vlasenko
test/math was not running at all, presume it has bit rotted: It was trying to run libm-test.c as if it is a binary. It was looking for libm-test-ulps (file with allowed errors in lower bits) in arch-specific dirs which do not exist in uclibc, as a result wrong file (libm-test.inc) was used instead. Test failure was not showing the error result, user had to fish it out from some .out files. I added libm-test-ulps-ARCH files from recent glibc, this filtered out a lot of false positives. For example, cosf(M_PI_6l * 4.0) ideally should be -0.5, we are getting -0.50000005047356477217, and this isn't a failure (the difference is one lowest bit of mantissa). "make check UCLIBC_ONLY=1 VERBOSE=1" still fails, but not as catastrophically as before. For the record, the failure occurs on the stage where we check 32-bit float functions, these tests fail: Failure: Test: modf (NaN, &x) == NaN Failure: Test: ilogb (NaN) == FP_ILOGBNAN plus exceptions allowed Failure: Test: scalb (2.0, 0.5) == NaN plus invalid exception Failure: Test: scalb (3.0, -2.5) == NaN plus invalid exception Failure: Test: scalb (0, NaN) == NaN Failure: Test: scalb (1, NaN) == NaN Failure: Test: scalb (0, inf) == NaN plus invalid exception Failure: Test: scalb (-0, inf) == NaN plus invalid exception Failure: Test: scalb (1, inf) == inf Failure: Test: scalb (-1, inf) == -inf Failure: Test: scalb (inf, -inf) == NaN plus invalid exception Failure: Test: scalb (-inf, -inf) == NaN plus invalid exception Failure: Test: scalb (1, NaN) == NaN Failure: Test: scalb (0, NaN) == NaN Failure: Test: scalb (inf, NaN) == NaN Failure: Test: pow (1, NaN) == 1 Failure: Test: pow (1, inf) == 1 Failure: Test: pow (-1, inf) == 1 Failure: Test: pow (1, -inf) == 1 Failure: Test: pow (-1, -inf) == 1 Failure: Test: rint (0.5) == 0.0 Failure: Test: rint (1.5) == 2.0 Failure: Test: rint (2.5) == 2.0 Failure: Test: rint (3.5) == 4.0 Failure: Test: rint (4.5) == 4.0 Failure: Test: rint (-0.5) == -0.0 Failure: Test: rint (-1.5) == -2.0 Failure: Test: rint (-2.5) == -2.0 Failure: Test: rint (-3.5) == -4.0 Failure: Test: rint (-4.5) == -4.0 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-10-30sleep: include Linus' email in the commentDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-10-29sleep: document testing result on 2.4.x kernelsDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-10-29sleep: add comment with test program for SIG_IGNed SIGCHLDDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-10-27Fix msync() redefinition for noMMU buildBernhard Reutner-Fischer
An architecture that _may_ have a MMU (and thus implements the msync syscall), but for which the kernel and uClibc are built as noMMU, we have a stub for msync. Thanks to Steven J. Magnani for noticing. Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2010-10-27mips: fix errno setting after syscallAlexander Gordeev
If there was an error during syscall then after it's completion a3 register holds a non-zero value and v0 holds an actual error code which should be saved in errno. This can be achieved by calling __syscall_error with the value from v0 as a parameter. So this value should be stored in a0, but the appropriate assembly instructions are missing. Fixed this now by adding "move a0, v0". I think it was once fixed by 58c5f8ba4cdf62342d05a546d15404cbbb3c4e07 but then something went wrong. Again... Signed-off-by: Alexander Gordeev <lasaine@lvk.cs.msu.su> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2010-10-22*: inline constant __sig{add,del}set and __sigismemberDenys Vlasenko
text data bss dec hex filename - 318 4 0 322 142 libc/pwd_grp/lckpwdf.o + 312 4 0 316 13c libc/pwd_grp/lckpwdf.o - 166 0 1 167 a7 libc/stdlib/abort.o + 157 0 1 158 9e libc/stdlib/abort.o - 42 0 0 42 2a libc/sysdeps/linux/common/pause.o + 27 0 0 27 1b libc/sysdeps/linux/common/pause.o Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-10-22remove superfluous libc_hidden_proto(memcpy) and #includeDenys Vlasenko
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-10-22sleep: tiny code shrinkDenys Vlasenko
...or rather, it WILL BE code shrink when gcc become clever enough to not emit a second, useless XORing of ebx: 31 db xor %ebx,%ebx 85 c0 test %eax,%eax 74 11 je 73 <__GI_sleep+0x73> 31 db xor %ebx,%ebx <=== ?! Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-10-22sleep: employ __USE_EXTERN_INLINES (with necessary fixes)Denys Vlasenko
__USE_EXTERN_INLINES was unused and had bit-rotted, had to fix it when it didn't work as intended at first. text data bss dec hex filename - 168 0 0 168 a8 libc/unistd/sleep.o + 146 0 0 146 92 libc/unistd/sleep.o Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-10-22sleep: check "SIGCHLD is SIG_IGN'ed" first. Saves two syscalls in common caseDenys Vlasenko
text data bss dec hex filename - 197 0 0 197 c5 libc/unistd/sleep.o + 168 0 0 168 a8 libc/unistd/sleep.o Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-10-22libm/x86: use call instead of jump for wrappersTimo Teräs
GCC can emit prologue/epilogue code for the functions in various different cases: - frame pointers - PIC build (to load ebx for indirect calls/jumps) - forced stack smashing protection If we used jump in such cases, we'd corrupt the call stack and crash. Signed-off-by: Timo Teräs <timo.teras@iki.fi> Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-10-22sleep: remove commented-out code. no code changesDenys Vlasenko
It can be easily reconstructed, since it's obvious Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-10-21sleep: code shrinkDenys Vlasenko
Use less stack by using same "sigset_t set" object for new and saved signal set, remove redundant clearing of set, and do not save/restore errno around sigprocmask(SIG_SETMASK) - it never changes it. While at it, improve comments and make code style consistent across sleep.c file. text data bss dec hex filename - 242 0 0 242 f2 libc/unistd/sleep.o + 197 0 0 197 c5 libc/unistd/sleep.o Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-10-19vfprintf.c: reduce a chunk of #ifdef forest and remove one goto inside itDenys Vlasenko
No code changes according to objdump. Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-10-19_vfprintf.c: de-obfuscate badly twisted fragment. no code changes.Denys Vlasenko
objdump confirms that I did not mess it up. Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
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