R e l e a s e N o t e s G C C f o r O S / 2 +---------------------------------------------------+ (C)'2004-2007 Knut St. Osmundsen (bird-kLIBC-spam@anduin.net) (C)'2003-2005 InnoTek Systemberatung GmbH (http://www.innotek.de) GCC v3.3.5 CSD 2 / LIBC v0.6.2: ------------------------------- First, thanks to Yuri, Froloff and Paul for patches, bugs and other kind of feedback. Fix list: #54 libc: fchdir(open('.', O_RDONLY)) may corrupt path resolving #76 libc: fork() failed when using dlopen() #102 libc: thread db locked after fork #103 libc: atexit() callbacks in dlls are called after dlclose()/DosFreeModule() on the DLL #112 libc: stdio.h va_list & _POSIX_C_SOURCE=1 #113 libc: scanf("%lld", &lld) #114 libc: Unloading a DLL can break wait*() and other libc operations. #118 libc: Incorrect DosSetFHState mask #119 libc: logging stops in fork() child after libc data segment copying #122 libc: open("file", O_RDONLY | O_CREAT, 0666) fails #125 libc: Missing nan(), nanl() and nanf() #133 libc: _SC_PAGESIZE missing in sysconf() #135 libc: setlocale(LC_COLLATE, "C") doesn't work correctly #136 libc: incorrect parsing of single quotes in commandline arguments #141 libc: include the right types.h from sys/param.h, arpa/nameser.h and resolv.h #142 libc: tempnam(NULL,NULL) crashes and tempnam messes up errno #143 libc: __libc_Back_fsDirCurrentSet is hiding failures (chdir) #144 libc: tolower() doesn't work for the first 128 chars if not inlined. #146 libc: fread() on a write-only stream incorrectly puts it in an irreversable read mode #147 libc: merge in current regex code and fix REG_ERANGE bug (sed/grep/++) #149 libc: stat("/dev/null", &s) fails, fix. #150 libc: symlinks 'files' contain garbage instead of the name #151 libc: Recursive "LIBC SYS Filehandle Mutex" panic #152 libc: lost signals / thread pokes #153 libc: Add a @executable_path rewrite rule by default. #155 libc: setlocale calls UniFreeUconvObjec(NULL) instead of UniFreeLocalObject causing crash in UConv.dll #158 libc: printf("%#X, 255) outputs 0xFF instead of 0XFF #160 libc: 3 more default rewrite rules; /@system_root, /@system_drive and /@tmpdir #111 libos2: Correct som data imports #128 libos2: unidef.h is missing a few defines #100 gcc: can't throw across dll/exe boundraries #109 libstdc++: infinite recursion during thread exit #124 libc/gcc: link libstdc++ into the libc dll #145 emxomf: deal with non-standard enum stabs #148 emxomf: The anonymous members of struct stat chokes the debuggers #137 emxomf: Don't truncate symbols twice. #115 weakld: Don't bitch about export aliases #89 emxomfld: Support wlink (the watcom linker) #123 emxomfld: exit with rc 8 on genuin weakld failures, not -1. #159 emxomfld: wrc support #47 emxomfld: Create .sym files directly from emxomfld #134 emxomfld/wlink: The internalname and entryname of an IMPORTS statement is switched #39 dllar.cmd enhancements #140 Definition file line can be greater than 512 bytes GCC v3.3.5 CSD 1 / LIBC v0.6.1: ------------------------------- First, thanks to Yuri, nickk, Paul, Andy and Michal for patches, bugs and other kind of feedback. Fix list: #19 gcc: gcc limits.h overrides limits.h from libc #20 libc: random panic SIGSEGV when doing parallel builds #48 libc: freopen(NULL, "rb", stdio) panics (doesn't work as expected) #60 libc: filehandle inheritance doesn't work right! #22 libc: path resolver fails on open file #23 libc: symlink is broken #50 libc: umask isn't inherited #51 libc: unlink fails on readonly file #53 libc: freopen("missing",,) causes panic #54 libc: fchdir(open('.', O_RDONLY)) may corrupt path resolving #58 libc: closed standard handles cause uninitialized stdout/stdin/stderr streams #21 libc: limit Unix EAs to specific file systems #24 libc: fts crashes because it's still using chdir() #32 libc: readdir_r returns -1 instead of errno #33 libc: panic when using timers #38 libc: when debugged default to breakpoint on panic #40 libc: open("/", RDONLY) fails. #41 libc: incorrect __libc_back_fsUnixAttribsGet() usage caused st_dev and st_ino to be 0 in some stat()s and chmod & fchmod to set MODE EA without type #46 ilink map file name is wrong when multiple dots are in target name #49 libc: st_ctime is incorrect and st_birthtime isn't converted to UTC #52 libc: path resolver fails resolving a directory symlink for lstat #61 libc: symlink(,existing) returns the wrong errno #62 libc: getdelim / getline returns failure when the last line doesn't end with the delimiter / newline #65 libc: sys/stat.h doesn't work in non BSD source mode #67 libc: Remove ncurses headers #68 libc: getopt prototype clashes (getopt.h/unistd.h) #69 libc: basename & dirname return incorrect results for paths with drive #71 libc: Incorrect fmutex padding in FILE #27 ld bug when map files are requested #34 weakld: generate duplicate weak aliases bird #30 setlocale / ctype is broken #70 emxomf: Demangle function names for omf debug info #55 emxomfld doesn't delete temporary files #56 emxomfld doesn't properly allocate space for map file name #28 emxbind doesn't read library name from .def file #36 emxbind: export truncation bug and allow export & imports up to 255 chars Full details can be found at: http://svn.netlabs.org/libc/query?status=closed&milestone=libc-0.6.1 GCC v3.3.5 / LIBC v0.6: ----------------------- There was a build problem with the first attempt at releasing. This is the 2nd attempt, hope I got it right this time... WARNINGS There are several incompatible interface changes. So, you'll have to rebuild static libraries and it's a good idea to do the same thing for dynamic libs and programs too. The build is not tested as much as I would've liked. I'm very pressed on time as usual, but I really wanted to get the 0.6 stuff out now. I can only hope everything still builds and works. The Project is Moving The source code has been migrated to subversion and now resides on the svn.netlabs.org server. The server also provides an issue tracker and project management service called trac. Check it out at http://svn.netlabs.org/libc/. The source code for this release (and any bugfix releases on the 0.6 code base) can be checked out using this url: http://svn.netlabs.org/repos/libc/branches/libc-0.6 Developers who wish to contribute to the 0.7 code will have to diff against the trunk. There are several pending restructuring tasks on 0.7, so don't expect everything to build fine or work properly while those are still open. Anyway, the url: http://svn.netlabs.org/repos/libc/trunk Users are encouraged to join the gcc-user@netlabs.org mailing list and use that list for questions rather than the InnoTek form. If you think you've found a bug, you should first ask on the mailing list, and if I decide it's a *real*, *new*, bug I'll open a ticket for it and address it. Developers which have patches for real bugs or enhancements can create trac tickets and drop me or the gcc-user list a mail (we haven't figure out how to get email notifications from trac yet). New features: o Added __libc_Back_gfProcessHandlePCBatchScripts and __libc_Back_gfProcessHandleHashBangScripts (globale variables) to turn on/off script handling in exec/spawn. Very useful for shells. o Changed the default stack of emxomfld and emxbind to 1MB, it used to be 8KB and 8MB. o open() can now open directories like on unix, and fchdir() can chdir to the opened directories. o Implemented much of the unix-attributes-in EA stuff. o Implemented getdirents(), will be used to replace opendir/readdir/seekdir/telldir/closedir in 0.7. o Implemented the fcntl interface for setting and clearing the O_NONBLOCK flag on sockets. Bug fixes: o Fixed bug preventing libc from working on legacy systems. Kudos to Andrew Below for spotting it. o Fixed ld bustage in rc1. o Fixed fork bug in shm. o Fixed spawn/exec bug where .exe was appended too early preventing configure and other scripts without suffix from being executed. o Fixed several signal bugs (deadlocks, sigsuspend, pause). o Fixed symbol truncation problem in emxomf. o Fixed a generic error handling bug in ioctl, write, read, dup and dup2 which was causing incorrect errno values. Known Issues, see open ticket in trac: http://svn.netlabs.org/libc/report/1 GCC v3.3.5 / LIBC v0.6 - Release Candidate 1: --------------------------------------------- New features: o Replaced the BSD regex with the GLIBC one. o Replaced the BSD getopt with the GLIBC one adding optreset for BSD compatability. o Added libcrypt from GLIBC. o Added argp from GLIBC. o Added obstack from GLIBC. o Finally added a crude [v]asprintf() implementation. o Added missing math bits from GLIBC. o New functions: rawmemchr(), strchrnul(), fgets_unlocked(), gets_unlocked(), fwide(), asprintf(), vasprintf(), get_current_dir_name(), getdelim(), getline(), getlogin_r(), _getopt_internal(), _getopt_internal_r(), _getopt_long_only_r(), _getopt_long_r(), argp_error(), argp_failure(), argp_fmtstream_ensure(), argp_fmtstream_free(), argp_fmtstream_point(), argp_fmtstream_printf(), argp_fmtstream_putc(), argp_fmtstream_puts(), argp_fmtstream_set_lmargin(), argp_fmtstream_set_rmargin(), argp_fmtstream_set_wmargin(), argp_fmtstream_update(), argp_fmtstream_write(), argp_help(), argp_input(), argp_make_fmtstream(), argp_parse(), argp_program_bug_address(), argp_program_version(), argp_program_version_hook(), argp_state_help(), argp_usage(), cacos(), cacosf(), cacosh(), cacoshf(), cacoshl(), cacosl(), cargf(), casin(), casinf(), casinh(), casinhf(), casinhl(), casinl(), catan(), catanf(), catanh(), catanhf(), catanhl(), catanl(), ccos(), ccosf(), ccosh(), ccoshf(), ccoshl(), ccosl(), cexp(), cexpf(), cexpl(), clog(), clog10(), clog10f(), clog10l(), clogf(), clogl(), cpow(), cpowf(), cpowl(), cproj(), cprojf(), cprojl(), csin(), csinf(), csinh(), csinhf(), csinhl(), csinl(), csqrt(), csqrtf(), csqrtl(), ctan(), ctanf(), ctanh(), ctanhf(), ctanhl(), ctanl(), exp10(), log2(), log2f(), log2l(), sincos(), sincosf(), sincosl(), asinhl(), atanhl(), llrintl(), lrintl(), erfcl(), erfl(), exp2l(), expm1l(), log1pl(), logbl(), nearbyintl(), remainderl(), remquol(), cabsl(), carg(), cargl(), gammal_r(), exp10f(), tgammaf(), tgammal(), __fpu_control(), acoshl(), exp10l(), j0l(), j1l(), jnl(), lgammal_r(), nexttowardl(), scalbl(), significandl(), y0l(), y1l(), ynl(), gammal(), lgammal(), _obstack_allocated_p(), obstack_alloc_failed_handler(), _obstack_begin(), _obstack_begin_1(), obstack_exit_failure(), obstack_free(), _obstack_memory_used(), _obstack_newchunk(), nftw(), stpncpy(), crypt_r(), encrypt_r(), init_des(), init_des_r(), md5_buffer(), md5_crypt(), md5_crypt_r(), md5_finish_ctx(), md5_init_ctx(), md5_process_block(), md5_process_bytes(), md5_read_ctx(), md5_stream(), setkey_r(), crypt(), encrypt(), setkey(), _ufc_dofinalperm_r(), _ufc_doit_r(), _ufc_foobar(), _ufc_mk_keytab_r(), _ufc_output_conversion_r(), _ufc_setup_salt_r(), getmode(), optreset(), bsd_setmode(), getpgid(), getsid(), setlinebuf(), re_comp(), re_compile_fastmap(), re_compile_pattern(), re_exec(), re_match(), re_match_2(), re_search(), re_search_2(), re_set_registers() and re_set_syntax(). Bug fixes: o Fixed various bugs related to __declspec. o Fixed a bug in alloca which was causing all -O levels to break. o Added UniStrFromUcs and UniStrToUcs to uconv.h and libos2. o Fixed quite a few libc issues, see the ChangeLog.LIBC for full details. Known problems: o Static linking not possible - will be fixed. o Job control will only be applied to thread 1 in a process. This won't change. o Missing some process group interfaces required for job control. They'll show up soon. o The HLL debug info isn't working 100% correctly. GCC v3.3.5 / LIBC v0.6 - Beta 5: -------------------------------- Thanks to Lorne, Froloff, nickk and Andy for sending me patches, debugging problems and/or testing fixes. New features: o Added support for __declspec(dllexport), _Export and __declspec(dllimport), the latter being a stub. This also included adding N_EXP to the a.out format. o Lot's of math stuff, mostly untested. o Optimized zeroing of new file space in ftruncate and chsize with knowlegde about the filesystem. HPFS, JFS and FAT will do the zeroing for us. o Support for unlocked stdio, with both BSD and GNU extensions implemented. o Execute .cmd, .bat, .btm and hash-bang scripts. o Respect single quotes in argument handling (sed craze). o Ported fts.h and the BSD implementation. o Ported BSD sysctl. (Does not include the tcpip v4.1 sysctl() bits yet.) o Ported the FreeBSD implementation of SysV semaphores and shared memory. o Env.var. LIBC_THREAD_MIN_STACK_SIZE can be used to specify the minimum stack size for new threads. The default minimum is 4096 bytes. o Ported (lib)intl from glibc. o New gcc arguments -Zargs-wild and -Zargs-resp. o New functions (might not be 100% correct): __bindtextdomain(), __dcgettext(), __dcigettext(), __dcngettext(), __dgettext(), __dngettext(), __gettext(), __gettext_extract_plural(), __gettext_free_exp(), __gettextparse(), _nl_make_l10nflist(), __ngettext(), __textdomain(), _nl_locale_name(), on_exit(), nanosleep(), wmemcpy(), wmemchr(), wmemcmp(), wmemmove(), wmemset(), gethrtime(), _nl_expand_alias(), _nl_explode_name(), _nl_normalize_codeset(), __fbufsize(), __fpending(), getpriority(), setpriority(), nice(), sysctl(), sysctlbyname(), sysctlnametomib(), fchmod(), _chdir_os2(), fts_children(), fts_close(), fts_get_clientptr(), fts_get_stream(), fts_open(), fts_read(), fts_set(), fts_set_clientptr(), mkfifo(), futimes(), _getenv_int(), _getenv_long(), _getenv_longlong(), ftok(), semctl(), semget(), semop(), shmat(), shmctl(), shmdt(), shmget(), acosf(), acosh(), acoshf(), asinf(), asinh(), asinhf(), atan2f(), atanf(), atanh(), atanhf(), cabs(), cabsf(), cbrtf(), ceilf(), cimag(), cimagf(), cimagl(), conj(), conjf(), conjl(), cosf(), coshf(), creal(), crealf(), creall(), erf(), erfc(), erfcf(), erff(), exp2(), exp2f(), expf(), expm1(), expm1f(), truncf(), fabsf(), fdim(), fdimf(), fdiml(), fegetenv(), feholdexcept(), feraiseexcept(), fesetexceptflag(), feupdateenv(), floorf(), fma(), fmaf(), fmal(), fmax(), fmaxf(), fmaxl(), fmin(), fminf(), fminl(), fmodf(), frexpf(), hypotf(), ilogb(), ilogbf(), ilogbl(), ldexpf(), lgamma(), lgammaf(), llrint(), llrintf(), llround(), llroundf(), llroundl(), log10f(), log1p(), log1pf(), logb(), logbf(), logf(), lrint(), lrintf(), lround(), lroundf(), lroundl(), modff(), nearbyint(), nearbyintf(), nexttoward(), nexttowardf(), powf(), remainder(), remainderf(), remquo(), remquof(), rintf(), round(), roundf(), roundl(), scalbf(), scalbln(), scalblnf(), scalblnl(), scalbn(), scalbnf(), scalbnl(), signgam(), sinf(), sinhf(), sqrtf(), tanf(), tanhf(), tgamma(), drem(), dremf(), finite(), finitef(), gamma(), gammaf(), gammaf_r(), gamma_r(), j0(), j0f(), j1(), j1f(), jn(), jnf(), lgammaf_r(), lgamma_r(), scalb(), significand(), significandf(), powl(), y0(), y0f(), y1(), y1f(), yn(), ynf(), arc4random(), arc4random_addrandom(), arc4random_stir(), _mktemp(), mkdtemp(), mkstemps(), clearerr_unlocked(), feof_unlocked(), ferror_unlocked(), fgetc_unlocked(), fileno_unlocked(), flockfile(), ftrylockfile(), funlockfile(), getchar_unlocked(), getc_unlocked(), putchar_unlocked(), fputc_unlocked(), putc_unlocked(), fputs_unlocked(), puts_unlocked() and fread_unlocked(). Removed features: o smallcnv is gone. o old weak symbol handling in emxomf is gone. Bug fixes: o Numerous bugfixes in libc, see ChangeLog.LIBC for details. o Fixed problems with receiving signals during fork(). o Fixed bug in timer backend if the system had no exiting timers. Kudos to Froloff for noticing this. Known problems: o Static linking not possible - will be fixed. o Job control will only be applied to thread 1 in a process. This won't change. o Missing some process group interfaces required for job control. They'll show up soon. o The HLL debug info isn't working 100% correctly. Todos before LIBC06.DLL: 0. Make my way through the glibc testsuite. 1. New select() from Brian (aka nuke). 2. Missing job pgid functions. GCC v3.3.5 / LIBC v0.6 - Beta 4: -------------------------------- Thanks to Lorne, Froloff and nickk for sending me patches, debugging problems and testing fixes. New features: o Added st_dev and st_ino calculation for fstat and stat. o Added most of the wide string functions. N.B. the stream functions are still missing. o New functions: SafeDosStartSession(), wcscat(), wcschr(), wcscmp(), wcscoll(), wcscpy(), wcscspn(), wcslcat(), wcslcpy(), wcslen(), wcsncat(), wcsncmp(), wcsncpy(), wcspbrk(), wcsrchr(), wcsspn(), wcsstr(), wcstok() and wcswidth() Bug fixes: o settimeofday() year problem. o Some underflow/overflow problems tested for by many Configure scripts was fixed by using a 64-bit time type internally. o fxsave/fxrstore problem in fork(). (This isn't tested because lack of (reliable) obsolete hardware.) o Fixed fork() and DosLoadModule problem in child. o nl_langinfo(CODESET) now returns something useful, adding a few ascii codeset aliases at the same time. o Bug in socket inheritance over exec/spawn. o Missing semphore and signal blocking when processing external signals. o Two rmdir errno problems, and made it fail on symlink. o Fixed incorrect monetary locale for the "C" locale after setlocale call. o Fixed signal queue node leak. o Fixed missing release of signal semaphore and signal unblocking in a failure code path. o Fixed a few filehandle conversion bugs in os2_select. o Fixed libsocket to set errno to ENOSOCK when given a filehandle instead of a socket. Previous was ENOSYS. o Corrected NP_NBLK define in os2emx.h. o Export __mcount stub. LIBCxx.prf export non-stub. o Added missing libdl stub libraries (dlfcn is in libc as of last release). o Fixed missing WNOHANG handling in the wait functions. o Adjusted the ECHILD and EINVAL errnos usage in the wait functions to match the waitpid() spec. o ??? Todos before LIBC06.DLL: 0. Fix all bugs. :-) 1. Reimplement opendir in BSD style (+fchdir). 2. Shared IPC structures for XSI msq, sem and shm. 3. Missing job pgid functions. 4. Port GLIBC intl/*. gettext is a pita! because it's passing FILE pointers around between different LIBCs. objdump is constantly broken between LIBC versions. 5. Figure out the EA exclusive read access trouble. 6. Calc ino_t on file creation and store it in EAs. 7. Some sysctl() required for coreutils + a bit of tcpip additions. 8. adjtime() implementation. GCC v3.3.5 / LIBC v0.6 - Beta 2: -------------------------------- New features: o wchar.h and wctype.h and much of the non-stream functions declared therein are implemented. Though, the FreeBSD string/w*.c functions are still in the porting queue. o Added __mcount stub to all LIBC DLLs but the .prf one which is forwarding __mcount from kProfile.dll. o DosLoadModuleEx and DosFreeModuleEx was created to support loaded modules over a fork(). dlopen/dlclose backend was changed to use these. o Fixed rand() range problem. Using the BSD code for this too, which means a new algorithm. o Update all BSD source-files (not headers) to FreeBSD 5.3 level. o New functions: DosLoadModuleEx(), DosFreeModuleEx(), sranddev(), getsubopt(), rand_r(), llabs(), lldiv(), dlfunc(), issetugid(), pread(), pwrite(), _UTF8_mbrtowc(), _UTF8_mbsinit(), _UTF8_mbsnrtowcs(), _UTF8_wcrtomb(), _UTF8_wcsnrtombs(), digittoint(), isideogram(), isrune(), iswalnum(), iswalpha(), iswascii(), iswblank(), iswcntrl(), iswctype(), iswdigit(), iswgraph(), iswhexnumber(), iswideogram(), iswlower(), iswnumber(), iswprint(), iswpunct(), iswrune(), iswspace(), iswupper(), iswxdigit(), btowc(), mbrlen(), mbrtowc(), mbsinit(), mbsnrtowcs(), mbsrtowcs(), nl_langinfo(), towctrans(), wcrtomb(), wcsftime(), wcsnrtombs(), wcsrtombs(), wcstod(), wcstof(), wcstoimax(), wcstol(), wcstold(), wcstoll(), wcstoul(), wcstoull(), wcstoumax(), wctob(), wctrans(), wctype(), towlower(), towupper(). Bug fixes: o Fixed missing WNOHANG handling in waitpid(), wait4() and waitid(). o Corrected several severe bugs in the path resolver. o Fixed handling of paths ending with slash. o Fixed weird fork() problem which showed up as a heap deadlock. o Fixed broken _getdrive(). o Made _chdrive() return -1 on error. It used to always return success earlier. (don't ask me why) o Fixed incorrect handling of -shared in GCC. It should be treated as -Zdll. o Various incorrect assertions in the strict/log build. o ... Known Limitiations/Problems: o Static linking not possible - might be fixed later. o Job control will only be applied to thread 1 in a process. This won't change. o Missing some process group interfaces required for job control. They'll show up soon I hope. o Not tested too well. Especially the regex update. Todos before LIBC06.DLL: 0. Fix all bugs. :-) 1. Implement new ino_t scheme and reimplement opendir in BSD style while doing so (+fchdir). 2. Shared IPC structures for XSI msq, sem and shm. 3. Port string/w* functions. 4. Missing job pgid functions. 5. Port GLIBC intl/*. gettext is a pita! because it's passing FILE pointers around between different LIBCs. objdump is constantly broken between LIBC versions. GCC v3.3.5 / LIBC v0.6 - Beta 1: -------------------------------- New features: o setitimer/alarm implementation. Needs some review later the accuracy isn't extacly great. o Added a couple of missing os2emx.h features. o Some more 16-bit thunkers. Bug fixes: o Select worker called wrong tcpip function. o Incorrect assertion during thread destruction. o Fixed broken chdir and getdrive. o Improved deadlock detection (fmutex have changed, thus stdio FILE is also changed). o ... Known Limitiations/Problems: o Static linking not possible - will be fixed. o Job control will only be applied to thread 1 in a process. This won't change. o Missing some process group interfaces required for job control. They'll show up soon. o Doesn't evaluate trailing slash in paths as directory specifier, it's currently ignored. GCC v3.3.5 / LIBC v0.6 - Alpha 3: --------------------------------- This release have been timebombed and will stop working at the end of December 2004. The reason for this is that data structures shared between LIBC 0.6 and all future LIBC versions are not yet quite finalized. (For your comfort the timebomb will go away when the betas start, and this is the last planned LIBC v0.6 alpha.) New Features: o Updated GCC to version 3.3.5. o Replaced the signal implementation. The new implementation is much closer to the POSIX specs and implements a lot of new interfaces. o Experimental delayed loading import libraries. emximp have a new -l option for generating such libraries. At present emximp can only generate a.out libraries of this kind - so use emxomf to convert to OMF. o The dlfcn.h functions are in LIBC now. o New functions: getgrouplist(), initgroups(), memalign(), valloc(), mprotect(), _signal_os2(), _signal_sysv(), __sigpause_bsd(), bsd_signal(), killpg(), psignal(), sigaltstack(), sigblock(), sighold(), sigignore(), siginterrupt(), sigpause(), sigrelse(), sigsetmask(), sigtimedwait(), sigvec(), sigwait(), sigwaitinfo(), sigqueue(), sigset(), getgrgid(), getpwnam(), getpwuid(), setegid(), seteuid(), setregid(), setresgid(), setresuid(), setreuid(), setrgid(), setruid(), waitid(), wait3(), wait4() and getopt_long_only(). Bug fixes; o Sockets were broken on some systems. Hopefully, this should be corrected now. o stat() failed on a file open for writing. o fork() didn't work for processes which allocated lot's of memory. Fixed incorrect syncing of memory objects. o ... Known Limitiations/Problems: o Static linking not possible - will be fixed. o alarm() is still missing. Code is 80% done but didn't make it for the release. o Job control will only be applied to thread 1 in a process. This won't change. o Missing some process group interfaces required for job control. They'll show up soon. GCC v3.3.4 / LIBC v0.6 - Alpha 2: --------------------------------- This release have been timebombed and will stop work at the end of October 2004. The reason for this is that data structures shared between LIBC 0.6 and all future LIBC versions are not yet finalized. New Features: o Updated GCC to version 3.3.4. o 2nd fork() implementation. All binaries are by default forkable, use the link option -Zno-fork to disable this. The fork implementation rendered _rmutex useless and it has been removed. o Symlinks using EAs. This is work in progress. One of the limitiations is that readir will not report DT_LNK yet. o Unix compartment using chroot(). This offers a redirection of '/' to the chroot'ed root. The entrance to the compartment is the '/'. The exits are drive letters. The unix compartment is inherited by LIBC child processes. o getcwd() will now return the driveletter too (as VAC does) when not inside the unix compartement. _getcwdux() has been provided for porters which requires behaviour like the old getcwd() implementation. o Paths to unix files #defined in headers are now prefixed with "/@unixroot" which will be redirected to where the environment variable UNIXROOT points. After calling chroot() the target of "/@unixroot" will be changed too. o LIBC specific path rewriting (redirection). Built in is "/dev/null", "/dev/tty" and "/@unixroot". The environment variable LIBC_PATHREWRITERS is examined during init and DLLs specified in it are loaded and called. See src/emx/src/sys/pathrewrite.c for more details. o Non-unix like mode - link option -Zno-unix. This affects slashes and various other Unix-like features like for instance fork and symlinks. o Printf et al. have been extended to support some new format specifiers. (It's still lacking a bit to be SuS comforming.) o Sockets handles are now inherited by LIBC child processes. o LIBC specific filehandle flags are now inherited by LIBC child processes. o The GCCxyz.DLL is no longer needed when LIBC is used. However it is still shipped for special cases where LIBC isn't needed. o A good bunch of 'new' functions both from the SuS and from various Unix flavors, even one or two PC functions have been added. Accompanying these are new headers and header updates. Here are most of the new function names: __strverscmp(), _atfork_callback(), _getcwdux(), _getdcwd(), _nsdbtaddsrc(), _nsdbtput(), _nsdispatch(), _realrealpath(), canonicalize_file_name(), catclose(), catgets(), catopen(), chown(), chroot(), eaccess(), endgrent(), endnetgrent(), endusershell(), fchown(), fstatfs(), fstatvfs(), getdtablesize(), getfsstat(), getgrent(), getgrent_r(), getgrgid_r(), getgrnam_r(), getloadavg(), getmntinfo(), getnetgrent(), getpwent_r(), getpwnam_r(), getpwuid_r(), getrlimit(), getusershell(), innetgr(), lchown(), link(), mknod(), readlink(), setgrent(), setgroupent(), setgroups(), setnetgrent(), setpassent(), setrlimit(), setusershell(), sl_add(), sl_find(), sl_free(), sl_init(), statfs(), statvfs(), strmode(), strtok_r(), symlink() and sync(). Bug fixes: o setlocale() have been rewritten. The code page is now taken from the locale rather than OS/2. Old behaviour is used if environment variable LIBC_SETLOCALE_OLDSTYLE is defined. o Buggy strspn() replaced by BSD implementation. o Thread backend have been reworked fixing certain problems when LIBC was loaded and initialized in threads other than the primary one. A LIBC specific TLS api was created during this effort. o Fixed a missing export from GCCxyz.dll which was causing incorrect behaviour of C++ exceptions in all previous releases. o Fixed a buffer overrun in iconv_open() which caused a corruption of the FS selector register, thus crashing the processing. o ... Known limitations and bugs: o mktime() works incorrectly for exterme values causing configure test to fail. o NSS probably doesn't work. o Trailing slashes of a path specification are not handled correctly after the rewrite of the path handling. o New path handling is not DBCS ready. o Socket handle duplication have not been implemented yet. o The __ function are in the process of being removed. o Not tested with mozilla. v3.2.2 Beta 4 CSD 1: -------------------- Bug fixes: o Fixed crash in file stream allocation code. o Fixed incorrect time on machines which had DATETIME::timezone set. This fix changes the time granularity from hundredths of a second to milliseconds. o Added the SPBCDATA struct, the defines FCF_CLOSEBUTTON and BS_NOTEBOOKBUTTON and infosegment structs to os2emx.h o Fixed bug in sys/locale.h where it hid the lconv struct. o Fixed missing error number translations in getsockopt() and setsockopt(). o Fixed potential conflict caused by sys/types.h not defining _KEY_T with the key_t typedef. o Fixed missing 64bit I/O support in ftell(), fstat() and stat(). o Fixed UCS-2 codepage mappings. o Fixed problem with emxbind not recognizing option -e and a problem with case sensitivity in the export checking. v3.2.2 Beta 4: -------------- (The changelog is removed, thus the release notes are more detailed.) New features and fixes: o Filehandle rewrite. Files, pipes and sockets now share the same handle space. o Updated binutils from v2.11.2 to v2.14 adding as-elf.exe and ld-elf.exe as goodies for the adventurous. o GCC defines __INNOTEK_LIBC__=0x005. The value reflects the LIBC version, form: 0xGMM Where G=major version and MM=middle version numbers. o Changed library search algorithms for the linkers (emxomfld and ld). Three variations, static, shared and shared+dll. (The options indicated corresponds to what binutils 2.12.x documents.) static: (-Bstatic, -non_shared, -dn, -static) 1. libfoo_s.a 2. foo_s.a 3. libfoo.a 4. foo.a shared: (default, -Bshared, -call_shared, -dy) 1. libfoo_dll.a 2. foo_dll.a 3. libfoo.a 4. foo.a 5. libfoo_s.a 6. foo_s.a shared+dll: (-Zdll-search with -Bshared, -call_shared, -dy) 1. libfoo_dll.a 2. foo_dll.a 3. libfoo.a 4. foo.a 5. foo.dll 6. libfoo_s.a 7. foo_s.a o Added some deadlock checking/termination checks to semphores. o Added macros to os2emx.h for preserving FPU control word and applied these to certain read and write operations in LIBC. o Added feature to emxomfld to automatically convert a.out libraries and objects to OMF (using temporary files). Enabled by default but can be disabled by the option -Zno-autoconv. o Added support to emximp for dlls. o Added support for automatic conversion of dlls to temporary import libraries emxomfld and ld. o Added getopt_long() and changed getopt() to FreeBSD implementations. o Added a few more code page aliases. o Added optional breakpoint in abort. The presense of the env.var. LIBC_BREAKPOINT_ABORT triggers the breakpoint instruction. o Added syslog interfaces (contrib from Yuri Dario). o Added to libc and updated BSD db code to FreeBSD 5.1 level. o Added to libc and updated regex code to FreeBSD 5.1 level. o Ported the posix spawn api from GLIBC v2.3.2. o Updated with os2emx.h flags for DosQueryMemState(). o Changed size_t to unsigned int (from unsigned long int) and ptrdiff_t to signed int (from signed long int) to comply with most of the other i386 environments. o Changed abort and default signal termination messages to say which process it's printed from. o Changed the glob() and globfree() implemenation with a port of the FreeBSD 5.1 implemenation. o Changed so_ioctl() to os2_ioctl() to better match the toolkit. o Changed time_t to be signed as in BSD & linux. (Negative values means date/time before epoc.) o Changed to FreeBSD implementation of difftime(). o Increased default stream buffer size to 2 pages. o Workaround for DosSetFileLocksL() on non JFS volumes. o Workaround for bad FIL_STANDARDL buffer handling in os2krnl. o Fixed waitpid() to respect the WNOHANG flag. o Fixed strerror() to set errno if an invalid error number is specified. o Fixed problem with emxexp emitting ordinal without being told. o Fixed broken setenv(). o Fixed errno value for read() and write() when the handle isn't opened for that operation. o Fixed a bad record length problem in emxomf. o Fixed type_tag too long issue in emxomf. o Fixed repetition of main source file in HLL debuginfo (emxomf). o Fixed weakld problem with selfrefering aliases. o Fixed weakld problem with PUBLIC and COMM clash. o Fixed problem with streams not being flushed on termination. o Fixed define clash in float.h when in C99 mode. o Fixed abend in GCC if TMPDIR or TMP was ending with a slash. o Fixed crash in ld when having fixups to weak symbols. o Fixed bad conversion of dll0*.o to OMF, the OMF version got an unwanted stack object. o New functions: isblank(), ishexnumber(), isnumber(), mempcpy(), realpath(), strnlen(), asctime_r(), ctime_r(), gmtime_r(), localtime_r(), strerror_r(), usleep(). o New functions & globals (from FreeBSD 5.1): imaxabs(), imaxdiv(), strtoimax(), strtoumax(), hcreate(), hdestroy(), hsearch(), insque(), lfind(), lsearch(), remque(), tdelete(), tfind(), tsearch(), twalk(), reallocf(), strsignal(), sys_signame, sys_siglist, sys_nsig, regcomp(), regerror(), regexec(), regfree(), + bsd db functions. o New functions (from GLIBC 2.3.2): error(), error_at_line(), strndup(), argz_add(), argz_add_sep(), argz_append(), argz_count(), argz_create(), argz_create_sep(), argz_delete(), argz_extract(), argz_insert(), argz_next(), argz_replace(), argz_stringify(), posix_spawnp() posix_spawn(), posix_spawnattr_destroy(), posix_spawnattr_getflags(), posix_spawnattr_getpgroup(), posix_spawnattr_getschedparam(), posix_spawnattr_getschedpolicy(), posix_spawnattr_getsigdefault(), posix_spawnattr_getsigmask(), posix_spawnattr_init(), posix_spawnattr_setflags(), posix_spawnattr_setpgroup(), posix_spawnattr_setschedparam(), posix_spawnattr_setschedpolicy(), posix_spawnattr_setsigdefault(), posix_spawnattr_setsigmask(), posix_spawn_file_actions_addclose(), posix_spawn_file_actions_adddup2(), posix_spawn_file_actions_addopen(), posix_spawn_file_actions_destroy(), posix_spawn_file_actions_init() o New headers: nerrno.h (toolkit compatability). o New headers (from FreeBSD 5.1): search.h, sys/queue.h, net/if_types.h. o New headers (from GLIBC 2.3.2): features.h (somewhat crippled), sys/gnu/cdefs.h (included from BSD styled sys/cdefs.h). o Updated headers: stddef.h (FreeBSD, sys/stddef.h (FreeBSD), ulsitem.h (missing defines), os2emx.h, ... o What I forgot... v3.2.2 Beta 3 Fix 1 (private build): ------------------------------------ Fixes to LIBC: o Crash if calloc was called before main(). o TZ parsing of timezones such as PST8EDT. o sigsetjmp() and siglongjmp() visibility. v3.2.2 Beta 3: -------------- A few new features and fixes. o Fixed a bunch of debug info problems. o Added large file support. o Enabled high memory support for LIBC. Two new options to GCC: -Zhigh-mem and -Zhigh-low. If the program is to be enabled for high memory use, specify -Zhigh-mem when linking. Note that socket is not high memory enabled yet. o Made LIBC preserve the FS selector. o Added random() and *rand48() from BSD. o Fixed crash with link386 and unresolved symbols. v3.2.2 Beta 2: -------------- A few bugfixes and a some new features (as usual). o Added file locking support to LIBC. o Fixed _System and _Optlink bugs and made _Optlink support floating point argument passing in registers. o Header updates related to limits and file locking primarily. o Timezone fixes. o Fixed some CRT init trouble in regards to getenv and putenv. o And some other minor stuff.. v3.2.2 Beta 1: -------------- A few bugfixes and a some new features. o Locale support in libc. o Implemented a different approach to OMF and weak symbols. This new hack performs pre-linking before invoking the OMF linker generating new .def files if needed and an extra object file with aliases to resolve the weak symbols correctly. The old approach will be used used when GCC_WEAKSYMS is present in the environment. Please note that due to a bug in BFD, weak symbols don't work 100% correctly. This will be addressed as soon as we have performed the switch to a more recent version of binutils. o A couple of new functions in libc, and a few corrections to existing in respect to namespaces. o Addressed issues with calling conventions. We now detect incompatible calling conventions, emitting warnings and errors where appropriate. o _Optlink is much better, but there are still some issues left. Passing prototyped floating point parameters to _Optlink doesn't work. Mixing of parameters which go into registers (eax, edx, ecx) and parameters which don't - void foo(int eax, struct sss s, int edx) - doesn't work. All these issues are being addressed and are expected to be fixed in the next build. o Changed GCC to link with shared libc by default. This means that in order to link with the static libc one has to specify -static. It also means that -Zmtd or -Zcrtdll are no longer required for linking with shared libc and can be removed from all makescripts. o Changed EMXOMFLD defaults to ilink from Visual Age for C++ v3.6.5 or later (preferably later). The emxomfld usage output will instruct you on how to use older linkers. For VAC308 and VAC365 linkers /dbgpack is specified if debuginfo is to be generated. Emxomf checks for EMXOMFLD_TYPE=link386 when choosing debug info level. o Shipping three extra libc dlls: libc02.dbg: Unstripped version of libc02.dll. This is identical except from the presense of debug info. libc02.prf: Linked together from profiled enabled libraries using kProfiler. libc02.elh: Standard libc but linked with an external electrical fence heap from kLibDbg. These libc02.* dlls can be used instead of libc02.dll. kLibDbg and kProfiler is available in separate zip files at same location as the rest of the InnoTek GCC suite. However these external tools are provided as is. (I might actually not find time to put them out yet.) o Distribution is splitted into several zips: -core.zip: All you really need. -dbg.zip: Map files, unstripped tools and libs, and libc02.elh. -prf.zip: Profiling libraries and libc02.prf. libc.zip: The runtime libraries. (included in core.) The big zip is everything. v3.2.2 Alpha 3: --------------- Primarily bugfixes. o Changed code generator for floating point truncations (double to int casts and such) so PM can freely mess up the fpu status. o We were using the wrong float.h in two sense. We're now using the correct one which includes all the PC defines and prototypes. o Fixed a few issues with error defines and tcpip. Note that some of the error defines have changed value in the process so we could become compatible with the tcpip stack and FreeBSD. o Corrected bugs in a number of headers. o Added more OS/2 prototypes and imports. There is still work left on the header part, o Optimized emxomf debug info conversion. o Wrapped bsdselect for BSD 4.4 header mode to implement bsdselect(). o .... what did we forget... v3.2.2 Alpha 2: --------------- A few bugfixes and a couple of new features. o The TCP/IP headers and libraries scheme have been changed. The default is the current OS/2 tcpip toolkit (BSD 4.4 based). To target the older OS/2 tcpip stack (BSD 4.3 based) you must define TCPV40HDRS before including any TCP/IP headers and make sure usr/lib/tcpipv4 is searched before usr/lib (this is to get the right libsocket). It is recommended to use the -D compiler option for the define and either the LIBRARY_PATH or the -L compiler/linker option for the library. o There are a couple of new and updated based on FreeBSD 5.1. sys\stdint.h and inttypes.h (and a few internal once) are new. sys\types.h and unistd.h are the ones most heavily updated. We're working on getting the headers and libc in a better shape standardwise to easy compatability and portability. o A infinite loop in emxomf has been fixed. o Linker error on sopen() has been corrected. o .... what did we forget... v3.2.2 Alpha 1: --------------- This is the first release from InnoTek, and it contains the InnoTek LIBC. In addition to the new LIBC there is a number of other major changes: o Name mangling in OMF mode have changed. Until this release emxomf used to pretty much strip one leading '_' from symbols when converting them to omf. This is now longer done chiefly in order to correctly support mangling calling conventions like __stdcall and __cdecl. This change have the following side effects: - _System and __cdecl no longer produces the same names and hence all OS/2 API which are _System must be declared as _System in order to link. - Assembly code might need an extra underscore to work, or perhaps change the prototypes to _System. - Global variables are prepended and underscore, so mixing VAC and GCC, or accessing globals from asm, take care. (MSC v6.0 does this too, so it's not any uncommon practise.) The OS/2 headers which are included are all updated to use _System. o TCPIP headers are updated a quite a bit to match the toolkit ones and to reflect the fact that the new libc does not a having common handle space for files and sockets. These changes aren't 100% completed yet, and usage probably will uncover some issues left in there. Also for the programmer there is the following changes in the apis provided: - TCPV40HDRS are supported and should work like with the toolkit headers. It will alias all functions to tcpip40_ editions (using #defines) so we get the right imports thru -llibsocket. - There is no support for sockets in select(). To do select on sockets you will have to use bsdselect() or os2_select(). bsdselect() is only available for TCPV40HDRS. For !defined(TCPV40HDRS) fd_set is in the emx/bsd format and not the OS/2 tcpip v5.0 format. - Socket IOCTLs are not supported by the ioctl() libc function because of the separate handle space for sockets. For sockets so_ioctl() and os2_ioctl() are used. os2_ioctl() is not available when TCPV40HDRS is defined. According to the tcpref in v5.0 so_ioctl() only supports BSD ioctls. - writev() and readv() also clashes with libc. For socket handles use so_writev() and so_readv(). o The prefered OMF linker is now ilink. link386 will fail with an odd error message if you tell gcc/g++ to make debug info. Set the EMXOMFLD_LINKER environment variable to value ilink in order to use ilink as OMF linker. It likely that we will change the default OMF linker to ilink in an later version of the GCC suite. o .... what did we forget...