Jeff Johnston [Thu, 1 Apr 2010 18:33:37 +0000 (18:33 +0000)]
2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
* libc/include/sched.h: Include prototypes for
sched_* methods.
* libc/include/sys/sched.h: Update to POSIX
1003.1b-2008. Rework constants to allow sharing
between RTEMS and Cygwin.
* sigproc.cc (wait_sig): Make sure that strace is activated on __SIGSTRACE by
calling new strace::activate function.
* strace.cc (strace::activate): Rename from strace::strace.
* strace.h (strace::activate): Define new function.
(strace::strace): Call activate.
* fhandler.h (fhandler_base_overlapped): Temporarily (?) make select_pipe_info
a friend until the fhandler_tty intertangling can be worked out.
* select.cc (select_pipe_info::add_watch_handle): Don't inspect the overlapped
event if we're not waiting for I/O.
(fhandler_tty_common::select_*): Change to standard function. Don't do kludgy
fhandler_pipe coercion.
Ralf Wildenhues [Wed, 31 Mar 2010 05:44:01 +0000 (05:44 +0000)]
Fix toplevel configure --enable-multilib handling.
/:
PR bootstrap/43328
* configure.ac: Do not pass --enable-multilib nor
--disable-multilib in baseargs. Accept explicitly passed
--enable_multilib.
* configure: Regenerate.
* fhandler.cc (fhandler_base::dup): Call setup_overlapped unconditionally.
(fhandler_base::fork_fixup): Ditto.
(fhandler_base::fixup_after_fork): Ditto.
(fhandler_base::fixup_after_exec): Ditto.
(fhandler_base_overlapped::setup_overlapped): Move to this class from
fhandler_base.
(handler_base_overlapped::destroy_overlapped): Ditto.
(fhandler_base_overlapped::wait_overlapped): Ditto. Track when we expect
pending I/O.
(fhandler_base_overlapped::read_overlapped): Move to this class from
fhandler_base. Return error if ongoing I/O.
(fhandler_base_overlapped::write_overlapped): Ditto.
(fhandler_base_overlapped::has_ongoing_io): Semi-reinstate previous function.
* fhandler.h (fhandler_base::wait_overlapped): Move to fhandler_base_overlapped
class.
(fhandler_base::write_overlapped): Ditto.
(fhandler_base::get_overlapped): Ditto.
(fhandler_base::get_overlapped_buffer): Ditto.
(fhandler_base_overlapped): New class.
(fhandler_pipe): Inherit from fhandler_base_overlapped. Remove overlapped
stuff as a result.
(fhandler_fifo): Ditto.
* pipe.cc (fhandler_pipe::fhandler_pipe): Initialize fhandler_base_overlapped.
(pipe): Put a descriptive name in the fhandler.
* globals.cc (exit_status): Add new ES_EXIT_STARTING enum.
* dcrt0.cc (cygwin_exit): Set exit_state to ES_EXIT_STARTING prior to calling
real exit.
* dll_init.cc (dll_list::detach): Remove dll from linked list and call
destructors even if exiting. Don't call __cxa_finalize in exiting case.
Corinna Vinschen [Sat, 27 Mar 2010 21:04:49 +0000 (21:04 +0000)]
* libc/locale/locale.c (loadlocale): Optimize "EUC" charset check.
Cygwin only: Allow GB2312 and EUC-CN as alternative codeset names
for GBK. Add to documentation.
* libc/locale/nl_langinfo.c (nl_langinfo): On Cygwin, translate EUCCN
to GB2312.
ld:
* Makefile.am (ALL_EMULATIONS): Add eelf32_tic6x_be.o and
eelf32_tic6x_le.o.
(eelf32_tic6x_be.c, eelf32_tic6x_le.c): New.
* NEWS: Add news entry for TI C6X support.
* configure.tgt (tic6x-*-*): New.
* emulparams/elf32_tic6x_be.sh, emulparams/elf32_tic6x_le.sh: New.
ld/testsuite:
* ld-elf/flags1.d, ld-elf/merge.d: XFAIL for tic6x-*-*.
* ld-elf/sec-to-seg.exp: Set B_test_same_seg to 0 for tic6x-*-*.
* ld-tic6x: New directory and testcases.
Corinna Vinschen [Tue, 23 Mar 2010 21:01:01 +0000 (21:01 +0000)]
* locale.cc (print_locale_with_codeset): Drop redundant name parameter.
Simplify creating locale string. Add "@" in case of a modifier.
(print_locale): Drop name parameter in calls to
print_locale_with_codeset.
Joseph Myers [Tue, 23 Mar 2010 14:30:59 +0000 (14:30 +0000)]
Merge from gcc:
2010-03-19 Jack Howarth <howarth@bromo.med.uc.edu>
PR ada/42554
* configure.ac: Only pass -c to ranlib for darwin9 and earlier.
* configure: Regenerate.
Corinna Vinschen [Mon, 22 Mar 2010 10:47:53 +0000 (10:47 +0000)]
* fhandler_socket.cc (fhandler_socket::evaluate_events): Make erase
const in parameter list.
(fhandler_socket::wait_for_events): Take a DWORD flags value instead of
just a bool. Call evaluate_events with erase flag according to
MSG_PEEK value in flags. Replace check for dontwait with check for
MSG_DONTWAIT in flags.
(fhandler_socket::connect): Call wait_for_events with 0 flags value.
(fhandler_socket::accept4): Ditto.
(fhandler_socket::recv_internal): Save flags in wait_flags. Drop
dontwait variable. Call wait_for_events with wait_flags.
(fhandler_socket::send_internal): Save MSG_DONTWAIT flag in wait_flags
and call wait_for_events with wait_flags as argument. Drop dontwait
variable.
* fhandler.h (class fhandler_socket): Change second parameter in
declaration of wait_for_events to const DWORD.
* shared_info.h (user_info): Add dll_crt0_1 as a friend.
(user_info::version): Make LONG to accommodate spinlock use.
(user_info::create): New static function renamed from user_info_create.
(user_info::initialize): New private function renamed from
user_info_initialize.
(SHARED_VERSION): Delete.
(SHARED_VERSION_MAGIC): Ditto.
(USER_VERSION_MAGIC): Ditto.
(SHARED_INFO_CB): Ditto.
(USER_VERSION): Ditto.
(USER_VERSION_MAGIC): Ditto.
(CURR_SHARED_MAGIC): Update.
(CURR_USER_MAGIC): Ditto.
(shared_info::version): Make LONG to accommodate spinlock use.
(shared_info::create): New static function mirroring user_info::create.
(dll_crt0_1): Accommodate change to user_info::initialize.
* spinlock.h (spinlock::setto): New variable member.
(spinlock::done): New function.
(spinlock::spinlock): Generalize to allow arbitrary values and timeouts. Call
done() when lock is not needed.
* ntdll.h: Make multiple-inclusion safe.
(NtQuerySystemTime): Declare.
* shared.cc (installation_root_inited): Rename from shared_mem_inited.
(init_installation_root): Make inline. Use a spinlock to ensure that this is
initialized only once per session.
(user_info::initialize): Rename from user_shared_initialize. Protect with
spinlock on sversion and remove other spinlock-like things. Remove reference
to user_shared since it is now implicit. Refer to spinlock version of
multiple_cygwin_problem to ensure that any spinlock is released.
(user_info::create): Rename from user_shared_create. Accommodate change from
user_shared_initialize to user_info::initialize.
(shared_info::create): New inline function.
(shared_info::initialize): Protect with spinlock on sversion. Move heap_init
back under specific control of shared_info spinlock. Remove reference to
SHARED_INFO_CB and just use sizeof(*this).
(memory_init): Move all locking into respective functions where it is needed.
Accommodate name changes. Remove call to heap_init().
* syscalls.cc (seteuid32): Accommodate name change to user_info::create().
* mount.cc (mount_info::create_root_entry): Report on errors from add_item
since they should be nonexistent.
(mount_info::init): Don't initialize nmounts. It should already be zero. Give
more verbose error when root_idx < 0. Implicitly use this pointer rather than
explicitly referencing mount_table->.
(mount_info::add_item): Minor whitespace fix.
* spinlock.h: New file.
(spinlock): New class.
* shared.cc: Include spinlock.h.
(memory_init): Use new spinlock methods rather than roll-your-own. Time out
after ten seconds if shared_mem_inited is not initialized.
* sync.h: Update copyright. Remove vanity attribution.
* sigproc.cc (sigproc_terminate): Avoid attempts to kill the signal thread
while we're still initializing or suffer a deadlock.
Throughout change all calls of low_priority_sleep (0) to yield ().
* miscfuncs.cc (yield): Rename from low_priority_sleep. Remove all of the
logic which called Sleep() and just use SwitchToThread.
* miscfuncs.h (yield): Rename from low_priority_sleep.
(SLEEP_0_STAY_LOW): Delete unused define.
* shared.cc (memory_init): Move heap_init() call directly after shared memory
initialization to more closely mimic long-standing program flow.
* tty.cc (tty_list::terminate): Replace call to low_priority_sleep with Sleep.
* shared_info.h (open_shared): Create function wrapper for common use case.
(open_shared): Change fifth argument to a pointer rather than a reference.
* fhandler_console.cc (fhandler_console::get_tty_stuff): Eliminate use of dummy
variable and call open_shared with constant.
* fhandler_process.cc (format_process_mounts): Ditto.
* pinfo.cc (pinfo::init): Pass pointer to shloc.
* shared.cc (shared_mem_inited): New variable.
(open_shared): Crate function wrapper for common use case.
(open_shared): Accommodate change to fifth argument to a pointer.
(shared_info::initialize): Remove spinlock test. Simplify function. Move
get_session_parent_dir call back here.
(memory_init): Protect global shared settings with shared_mem_inited spinlock.
Move get_session_parent_dir call to shared_info::initialize.
* shared.cc (inst_root_inited): Delete.
* (shared_info::initialize): Reorganize. Move call to init_installation_root
here under spinlock control. Move unneeded non-shared_info initialization out
of this function.
(memory_init): Remove call to init_installation_root. Call heap_init and
get_session_parent_dir here.
* libm/common/s_rint.c: Fix error when integral part had 18 bits and
fraction had bits set beyond first radix bit. Also, make 2-part
adjustment consistent with 1-part adjustment when adjusting fractional
bits.
* libm/common/sf_rint.c: Make fractional-bit adjustment consistent
with s_rint.c by setting 0b.01 instead of 0b.001.
* setup2.sgml (setup-env): Add cross reference to using-cygwinenv.
Change description for locale environment variables to comply with
changes in 1.7.2.
* syscalls.cc (nt_path_has_executable_suffix): Change storage class of
blessed_executable_suffixes to static.
(rename): Revert meaning of old_explicit_suffix. Change the rules
for appending a .exe suffix and (yikes!) document them.
* cygwin.din: Export __xdr functions.
* include/cygwin/version.h: Bump version.
* posix.sgml: Add a few more XDR functions to list
of implemented Solaris functions.
* libc/include/sys/features.h: Add POSIX.1-permitted definition of
_POSIX_C_SOURCE if not already defined and _XOPEN_SOURCE has an
appropriate value. Specifically, check for POSIX.1-2008 & 2001 values.
* libc/include/sys/config.h: Add #include <sys/features.h> so that all
includes get the new check added to it.
* cygtls.h (_cygtls::init_exception_handler): Eliminate argument.
(_cygtls::andreas): Convert to a pointer.
(san): Convert to a real class with methods. Use a linked list to keep track
of previous handlers on the "stack".
(myfault): Rewrite to use new san class rather than calling directly into
_cygtls.
* cygtls.cc (_cygtls::init_exception_handler): Just assume that we're always
using the standard exception handler.
(_cygtls::init_thread): Reflect loss of argument to init_exception_handler.
* dcrt0.cc (dll_crt0_1): Ditto.
* dfcn.cc (dlopen): Ditto.
(dlclose): Reset the exception handler after FreeLibrary.
* dll_init.cc (dll_list::detach): Make sure that the exception handler is
initialized before calling destructors.
* exceptions.cc (_cygtls::handle_exceptions): Accommodate new andreas pointer.
* thread.cc (verifyable_object_isvalid): Pass objectptr to faulted for explicit
NULL pointer checking.
* tlsoffsets.h: Regenerate.
Corinna Vinschen [Fri, 26 Feb 2010 17:53:52 +0000 (17:53 +0000)]
* libc/strptime.cc: Implement support for era, alt_digits and POSIX
padding and width modifiers.
(era_info_t): New type.
(free_era_info): New static function to free era_info_t storage.
(get_era_info): New static function to create era_info_t storage
from LC_TIME era information.
(alt_digits_t): New type.
(get_alt_digits): New static function to create alt_digits_t storage
from LC_TIME alt_digits information.
(free_alt_digits): New static function to free alt_digits_t storage.
(find_alt_digits): New static function to scan input for alternative
digits and return them, if any. Return NULL otherwise.
(__strptime): New static function taking all code from strptime.
Implement handling for E, O, +, 0, and width modifiers per POSIX-1.2008.
(strptime): Convert into wrapper function to provide era_info and
alt_digits pointers and call __strptime.
(conv_num): Take additional alt_digits_t parameter and if it's not
NULL, call find_alt_digits to convert.
Corinna Vinschen [Fri, 26 Feb 2010 09:41:44 +0000 (09:41 +0000)]
* libc/time/strftime.c: Add support for era and alt_digits data from
LC_TIME locale category. Conditionalize using _WANT_C99_TIME_FORMATS
flag.
(STRTOUL): Define differently for building strftime or wcsftime.
(STRCPY): Ditto.
(STRCHR): Ditto.
(STRLEN): Ditto.
(CHECK_LENGTH): Define to simplify code.
(era_info_t): New type to store era info.
(get_era_info): New function to fetch era info matching incoming
struct tm.
(free_era_info): New function to free era info.
(alt_digits_t): New type to store alternative digits.
(get_alt_digits): New function to convert alt_digits string into
alt_digits_t structure.
(free_alt_digits): New function to free alt_digits info.
(conv_to_alt_digits): New function to convert unsigned value into
alternative digits.
(strftime): Conditionalize on _WANT_C99_TIME_FORMATS. If
_WANT_C99_TIME_FORMATS is defined, define as just a wrapper function
providing era_info and alt_digits pointers and call ...
(__strftime): Rename from strftime and make static if
_WANT_C99_TIME_FORMATS is defined. Add parameters for era_info and
alt_digits pointers. Handle conversion modifiers according to
POSIX-1.2008. Redefine %F and %Y according to POSIX. Add default case
to allow to bail out on invalid conversion specifiers.
* libc/include/sys/config.h: Move Cygwin build flags to Cygwin's
config.h.
Corinna Vinschen [Thu, 25 Feb 2010 16:10:42 +0000 (16:10 +0000)]
* libc/locale/locale.c: Throughout, extensively comment on the
reason for using __CYGWIN__.
(lconv): Remove _CONST entirely.
(loadlocale): Guard calls to function loading locale-specific
category data with __HAVE_LOCALE_INFO__ rather than __CYGWIN__.
* libc/sys/config.h (__HAVE_LOCALE_INFO__): Define for Cygwin.
Nick Clifton [Thu, 25 Feb 2010 11:15:48 +0000 (11:15 +0000)]
* config/tc-mips.c (mips_fix_loongson2f, mips_fix_loongson2f_nop,
mips_fix_loongson2f_jump): New variables.
(md_longopts): Add New options -mfix-loongson2f-nop/jump,
-mno-fix-loongson2f-nop/jump.
(md_parse_option): Initialize variables via above options.
(options): New enums for the above options.
(md_begin): Initialize nop_insn from LOONGSON2F_NOP_INSN.
(fix_loongson2f, fix_loongson2f_nop, fix_loongson2f_jump):
New functions.
(append_insn): call fix_loongson2f().
(mips_handle_align): Replace the implicit nops.
* config/tc-mips.h (MAX_MEM_FOR_RS_ALIGN_CODE): Modified
for the new mips_handle_align().
* doc/c-mips.texi: Document the new options.
* gas/mips/loongson-2f-2.s: New test of -mfix-loongson2f-nop.
* gas/mips/loongson-2f-2.d: Likewise.
* gas/mips/loongson-2f-3.s: New test of -mfix-loongson2f-jump.
* gas/mips/loongson-2f-3.d: Likewise.
* gas/mips/mips.exp: Run the new tests.