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* import trunc()/truncf() for ISO C requirements, otherwise fortran can hit ↵Mike Frysinger2007-12-083-3/+60
| | | | infinite loops when it generates builtins+trunc() substitutes
* Removed pointless initialization to 0 of DIR fieldsCarmelo Amoroso2007-12-071-1/+0
| | | | | | | after having added memset. Thanks to Peter Mazinger for pointing this out. Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
* I don't remember exactly why we decided to pick the caller's value ofCarmelo Amoroso2007-12-071-1/+1
| | | | | | | | sa_restorer when SA_ONSTACK is set, but it seems to break LTP's sigaltstack testcase. Some users have reported problems with sigaltstack as well; hopefully this will fix it. Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
* Fix opendir problem when statically linked due to a missingCarmelo Amoroso2007-12-051-0/+1
| | | | | | | | | initialization of the mutex field within DIR struct. When linked dynamically instead, __pthread_mutex_init will initialize the mutex itself. Without this fix, any call to readdir will stuck forever trying to acquire the mutex. Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
* Blackfin FD-PIC patch 6/6.Bernd Schmidt2007-12-043-51/+222
| | | | | | | These are mostly the changes necessary to deal with loading the libraries into memory. A couple new target macros are defined for this purpose, and the code in dl-elf.c is modified to deal with nommu systems.
* Fix a few warnings introduced by my previous commits.Bernd Schmidt2007-12-032-3/+3
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* Blackfin FD-PIC patches 5/6.Bernd Schmidt2007-12-034-8/+35
| | | | | | | A couple more target macros for ld.so to deal with FD-PIC support. We need special code to compute the initial got and dpnt, and we need to pass extra arguments to _dl_get_ready_to_run.
* Blackfin FD-PIC patch 4/6.Bernd Schmidt2007-12-031-0/+7
| | | | Add a hash table for function descriptors on FD-PIC targets.
* Blackfin FD-PIC patch 3/6.Bernd Schmidt2007-12-036-14/+61
| | | | | | | | | | | | | | | Change _dl_find_hash to _dl_lookup_hash, as on the NPTL branch. _dl_find_hash is now a wrapper function around it; unlike on the NPTL branch, it retains the old interface so that not all callers need to be changed. _dl_lookup_hash can optionally give its caller a pointer to the module where the symbol was found. Introduce ELF_RTYPE_CLASS_DLSYM for lookups from libdl. Spelling fixes in the Blackfin port, since Alex Oliva's original version of these patches used _dl_find_hash_mod as the name of the function rather than _dl_lookup_hash.
* Blackfin FD-PIC patch 2/6.Bernd Schmidt2007-12-033-6/+33
| | | | | | Add the necessary changes in ld.so and libdl to deal with targets that prepend an underscore to symbol names.
* Blackfin FD-PIC patch 1/6.Bernd Schmidt2007-12-033-5/+43
| | | | | | | Add a new function _dl_free. In _dl_malloc, ensure we always get back a full page from mmap. Reset _dl_malloc_function and _dl_free_function when libdl is initialized.
* Some versions of gcc consider inline merely a hint. AVR32 depends on theCarmelo Amoroso2007-12-031-20/+20
| | | | | | | | | system calls actually being inlined, so AVR32 needs to use __always_inline instead of just inline. The attached patch changes this for the system calls. Signed-off-by: Hans-Christian Egtvedt <hcegtvedt@atmel.com>
* realpath: reduce stack usage from 3*PATH_MAX (12k) to 1*PATH_MAX (4k).Denis Vlasenko2007-12-031-34/+36
| | | | | | | | | reduction is achieved by direct use of user-supplied PATH_MAX sized buffer for result (without intermediate copy) and changes in copy_buf[] usage - now it is used for both "source" pathname and link name (it works because they have to be less than PATH_MAX combined, otherwise we return NULL).
* Fix merging error: a macro was renamed.Bernd Schmidt2007-11-281-1/+2
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* Blackfin crt1.S fixes for building with -msep-data.Bernd Schmidt2007-11-231-6/+11
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* Add some necessary Makefile bits for UCLIBC_FORMAT_FLAT_SEP_DATA.Bernd Schmidt2007-11-231-0/+3
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* Some shared flat improvements.Bernd Schmidt2007-11-233-4/+17
| | | | | | | | Fix minor errors: - UCLIBC_SHARED_FLAT_ID instead of SHARED_FLAT_ID - use -Wl,-shared-lib-id properly Use libc_so.a as the source for the shared libc, in order to be able to use -mleaf-id-shared-library on the Blackfin.
* Add necessary Makefile rules for the Blackfin.Bernd Schmidt2007-11-231-0/+12
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* A better atomic ops implementation for the Blackfin, relying on a featureBernd Schmidt2007-11-231-10/+38
| | | | present in our recent kernels.
* mcontext_t shouldn't have a version argument, and fix REG_B0 definition.Bernd Schmidt2007-11-231-2/+1
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* From Jie Zhang:Bernd Schmidt2007-11-231-3/+4
| | | | __bswap_16 could not assume that it's zero extended when an unsigned short int is loaded into the data register.
* Change test for a define that got renamed a while ago.Bernd Schmidt2007-11-231-1/+1
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* Disable tst-ftime_l test if Extended Locale SupportCarmelo Amoroso2007-11-231-0/+4
| | | | | | is not enabled, otherwise build will fail Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
* Ignore entries of "-1" in rofixup; the linker sometimes has no choice but toBernd Schmidt2007-11-221-23/+26
| | | | create these for deleted entries in .eh_frame.
* Add Blackfin specific mmap implementation using sys_mmap2.Bernd Schmidt2007-11-222-1/+25
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* sys/procfs.h defines a typedef for floating point registers that references anBernd Schmidt2007-11-221-2/+2
| | | | | | | undefined structure. This typedef is used in linuxthreads.old-db, causing a compilation failure. Fixed by defining an empty structure for it - we don't have fp regs anyway.
* Certain configure scripts test for presence of dlfcn.h. Don't install itBernd Schmidt2007-11-222-0/+7
| | | | if !HAVE_SHARED.
* Add hidden symbols for a number of pthread functions, and use them to ensureBernd Schmidt2007-11-226-1/+98
| | | | | that all entries in the __pthread_functions point to functions within libpthread, not identically-named functions in libc.
* Added optimized versions of strcpy() and strncpy() for CRIS/CRISv32.Peter Kjellerstedt2007-11-212-0/+112
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* ARM SHMLBA = (4 * PAGE_SIZE). Currently in uclibc arm used shm.h fromCarmelo Amoroso2007-11-201-0/+103
| | | | | | | | | common directory where SHMLBA = __getpagesize() This patch fixes the issue. Khem Raj MontaVista Software Inc.
* If uClibc's ld.so encounters text relocations in a shared library - one Carmelo Amoroso2007-11-161-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | containing an object built without -fpic/-fPIC - then: * If __FORCE_SHAREABLE_TEXT_SEGMENTS__, then it gives an error "Can't modify %s's text section. Use GCC option -fPIC for shared objects, please.\n" and exits. * Otherwise, it makes the library's pages writable and relocates it. If it encounters text relocations in a position-independent executable - one containing an object built without -fpie/-fPIE/-fpic/-fPIC - then: * If __FORCE_SHAREABLE_TEXT_SEGMENTS__, it does nothing about making the pages writable, leading to a crash. * Otherwise, the loop to make the pages writable uses the same variable ppnt as used in an outer loop, messing up that outer loop and also causing a crash. This patch fixes both cases, by giving an error if __FORCE_SHAREABLE_TEXT_SEGMENTS__ and saving and restoring ppnt otherwise. Tested in both cases on ARM EABI. Joseph S. Myers joseph@codesourcery.com
* Added AVR32 support to uClibc. Signed-off-by: Hans-Christian Egtvedt ↵Carmelo Amoroso2007-11-1657-2/+3010
| | | | <hcegtvedt@atmel.com>
* CRIS/CRISv32 architecture specific memcpy, memmove and memset.Ricard Wanderlof2007-11-124-0/+698
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* Do not return error when fprintf returns 0 in addmntent().Khem Raj2007-11-101-5/+2
| | | | | fprintf is considered failing if the return is less than 0
* Fix build system to generate locale data instead of using pregenerated onesCarmelo Amoroso2007-11-092-2/+4
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* Define _dl_assert in libdl only if __DOASSERTS__ is defined. Thanks to Peter ↵Carmelo Amoroso2007-11-091-7/+16
| | | | Mazinger
* - fix whitespaceBernhard Reutner-Fischer2007-11-071-1/+1
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* Added support for GNU hash style into dynamic linkerCarmelo Amoroso2007-11-078-32/+247
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* - fix order of link-flagsBernhard Reutner-Fischer2007-10-241-2/+2
| | | | | | | On cygwin one has to pass make menuconfig HOST_LOADLIBES="-lcurses -lintl" otherwise just curses is linked in and some symbols that live in intl are unresolved. Closes #1554 and possibly a couple of other reports.
* Poll with zero timeoutJoakim Tjernlund2007-10-231-0/+4
| | | | | | | | | | Jean-Christian de Rivaz writes: The attached patch solve an issue I faced while using the libdbus-glib waiting for a D-Bus message or the end of a glib timer at the same time. This specific case of use generate a poll call with a zero timeout. On platformes with the glibc a zero timeout poll return immetiately even if there is no file descriptor event. But on platformes with uClibc a zero timeout poll block until a file descriptor event occurs.
* Handle STT_COMMON symbols too. Following binutils releaseJoakim Tjernlund2007-10-211-1/+6
| | | | | | | | | | will set the type of common symbols to STT_COMMON instead of STT_OBJECTS, so the dynamic linker needs to handle this type os symbols too. Same changes have been added to glibc (See: bugzilla #5104). This patch ensures the uclibc will work with later bintuils. Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
* - commentary typo fixBernhard Reutner-Fischer2007-10-201-1/+1
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* - move UCLIBC_EXTRA_LDFLAGS below pinning LDFLAGSBernhard Reutner-Fischer2007-10-161-4/+4
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* - use the compiler-driver instead of the linkerBernhard Reutner-Fischer2007-10-1310-47/+49
| | | | | | | | | - adjust setting flags accordingly to use (hardcoded, see below) -Wl, Potential improvements: *) --warn-unresolved-symbols should perhaps be used for all libs *) eventually rename LDFLAGS to CC_LDFLAGS *) probe for compiler driver's notion of flag to use for passing in linker flags (i.e. don't hardcode "-Wl,")
* - allow for passing in UCLIBC_EXTRA_LDFLAGSBernhard Reutner-Fischer2007-10-131-0/+4
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* Do string comparisos as late as possible during symbol lookup.Mike Frysinger2007-10-081-2/+2
| | | | Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
* - Fix compilation for mips ABI64 with no LFS.Bernhard Reutner-Fischer2007-09-301-2/+6
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* - Fix compilation for mips ABI64 with no LFS.Bernhard Reutner-Fischer2007-09-301-4/+7
| | | | This wants a stub_enosys(readahead) line later on, like many, many others need..
* This patch will fix a problem when the same host is defined with both IPv4 andMike Frysinger2007-09-281-2/+8
| | | | | | | | | | | | IPv6 entries in /etc/hosts. Previous only the first of these host would work, as uClibc would read the /etc/hosts file from top to bottom, failing if the first hit did not match the IP type. Now uClibc will continue reading, even if the first correct entry name, but wrong IP type fails. Thus, allowing a second correct entry name with correct IP type will result in a name resolve. Signed-off-by: Hans-Christian Egtvedt <hcegtvedt@atmel.com>
* do not check the pointer before freeing it since free(NULL) works just fineMike Frysinger2007-09-281-8/+4
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