libitm/ChangeLog

   1 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
   2
   3         * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to
   4         __USER_LABEL_PREFIX__ for targets that use it.
   5         TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets.
   6         (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist
   7         in portability to non-elf targets.
   8         (GTM_longjmp): LIkewise.
   9         * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__
  10         where required.
  11
  12 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
  13
  14         * testsuite/libitm.c/memcpy-1.c: Allow for MAP_ANON spelling.
  15         * testsuite/libitm.c/memset-1.c: Likewise.
  16
  17 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
  18
  19         * configure: Regenerate.
  20
  21 2011-11-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  22
  23         * acinclude.m4 (LIBITM_CHECK_LINKER_FEATURES): Handle gold.
  24         (LIBITM_ENABLE_SYMVERS): Handle sun style.
  25         * Makefile.am: Handle sun style versioning.
  26         (libitm_la_LINK): Add $(libitm_la_LDFLAGS).
  27         * configure: Regenerate.
  28         * Makefile.in: Regenerate.
  29
  30 2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  31
  32         * config/generic/asmcfi.h: Fix comment.
  33         * config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
  34         sequence without .hidden support, error for non-ELF targets.
  35         (GTM_longjmp) [__ELF__]: Only use .hidden if
  36         HAVE_ATTRIBUTE_VISIBILITY.
  37
  38 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  39
  40         * alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,
  41         _ZnwXRKSt9nothrow_t, _ZdlPvRKSt9nothrow_t, _ZdaPvRKSt9nothrow_t):
  42         Dummy functions.
  43         * eh_cpp.cc [__osf__] (__cxa_allocate_exception, __cxa_throw,
  44         __cxa_begin_catch, __cxa_end_catch, __cxa_tm_cleanup): Likewise.
  45
  46 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
  47
  48         PR bootstrap/51098
  49         * acinclude.m4 (LIBITM_CHECK_AS_AVX): Fix target selector.
  50         * configure: Regenerate.
  51
  52 2011-11-14  H.J. Lu  <hongjiu.lu@intel.com>
  53
  54         * testsuite/lib/libitm.exp: Check ia32 instead of ilp32.
  55
  56 2011-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  57
  58         * config/alpha/sjlj.S (_ITM_beginTransaction) [!__ELF__]: Don't use
  59         .hidden.
  60         (.note.GNU-stack): Only use if __linux__.
  61         * alloc_cpp.cc [!__osf__] (_ZnaXRKSt9nothrow_t): Dummy function.
  62         * testsuite/libitm.c/notx.c: Use dg-options "-pthread".
  63         * testsuite/libitm.c/reentrant.c: Likewise.
  64         * testsuite/libitm.c/simple-2.c: Likewise.
  65         * testsuite/libitm.c/txrelease.c: Likewise.
  66         * testsuite/libitm.c++/static_ctor.C: Likewise.
  67
  68 2011-11-10  Richard Henderson  <rth@redhat.com>
  69
  70         * config/x86/x86_avx.cc: Remove #undef __AVX__ hack.  Tidy comments.
  71         * Makefile.am (x86_avx.lo): Only add -mavx if ARCH_X86_AVX.
  72         * configure.ac (ARCH_X86_AVX): New conditional.
  73         * Makefile.in, configure: Rebuild.
  74
  75 2011-11-09  Richard Henderson  <rth@redhat.com>
  76
  77         * acinclude.m4 (LIBITM_CHECK_AS_AVX): New.
  78         * configure.ac: Use it.
  79         * config.h.in, configure: Rebuild.
  80         * config/x86/x86_avx.cc: Handle !HAVE_AS_AVX.
  81
  82 2011-11-09  Richard Henderson  <rth@redhat.com>
  83
  84         * barrier.tpl, memcpy.cc, memset.cc, method-wbetl.cc: Remove file.
  85         * config/alpha/unaligned.h: Remove file.
  86         * config/generic/unaligned.h: Remove file.
  87         * config/x86/unaligned.h: Remove file.
  88         * config/generic/cachepage.h: Remove file.
  89         * config/posix/cachepage.cc: Remove file.
  90         * config/generic/cacheline.cc: Remove file.
  91         * config/x86/cacheline.cc: Remove file.
  92         * config/generic/cacheline.h (gtm_cacheline): Remove the
  93         store_mask, copy_mask, copy_mask_wb methods.
  94         * config/x86/cacheline.h: Likewise.
  95         * config/alpha/cacheline.h: Fall back to generic after setting size.
  96         * config/generic/tls.cc (gtm_mask_stack): Remove.
  97         * config/x86/x86_avx.cc (GTM_vpperm_shift): Remove.
  98         (GTM_vpalignr_table): Remove.
  99         * config/x86/x86_sse.cc (GTM_palignr_table): Remove.
 100         (GTM_pshift_table): Remove.
 101         * config/libitm_i.h: Don't include cachepage.h.
 102         * Makefile.am (libitm_la_SOURCES): Remove cacheline.cc, cachepage.cc
 103         * Makefile.in, testsuite/Makefile.in: Rebuild.
 104
 105 2011-11-09  Richard Henderson  <rth@redhat.com>
 106
 107         * config/x86/cacheline.h (gtm_cacheline::store_mask): Use .byte
 108         to emit branch prediction hint.
 109
 110         * config/x86/sjlj.S: Protect elf directives with __ELF__.
 111         Protect .note.GNU-stack with __linux__.
 112
 113         * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it.
 114         * configure, aclocal.m4, config.h.in: Rebuild.
 115         * config/generic/asmcfi.h: New file.
 116         * config/x86/sjlj.S: Use it.
 117
 118 2011-11-08  Richard Henderson  <rth@redhat.com>
 119
 120         * local.cc (_ITM_LB): Use a normal call, not a function alias.
 121
 122 2011-11-08  Richard Henderson  <rth@redhat.com>
 123
 124         * configure.tgt: Test correct directory for supported cpus.
 125
 126         * configure.ac: Exit if unsupported.
 127         * configure: Rebuild.
 128         * configure.tgt: Delete boilerplate from libgomp for unsupported
 129         targets.  Set UNSUPPORTED for unsupported targets.
 130
 131 2011-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 132
 133         * configure.tgt: Handle i386 like i[456]86.
 134         * config/generic/tls.h [!HAVE_ARCH_GTM_THREAD] (gtm_thr): Don't
 135         take address.
 136         * config/generic/tls.cc [!HAVE_ARCH_GTM_THREAD ||
 137         !HAVE_ARCH_GTM_THREAD_DISP] (_gtm_thr_tls): New variable.
 138
 139 2011-11-05  Aldy Hernandez  <aldyh@redhat.com>
 140
 141         * method-wbetl.cc: Update copyright notice.
 142         * aatree.cc: Same.
 143         * util.cc: Same.
 144         * libitm.h: Same.
 145         * memset.cc: Same.
 146         * eh_cpp.cc: Same.
 147         * barrier.tpl: Same.
 148         * useraction.cc: Same.
 149         * stmlock.h: Same.
 150         * memcpy.cc: Same.
 151         * common.h: Same.
 152         * config/generic/tls.cc: Same.
 153         * config/generic/cacheline.h: Same.
 154         * config/generic/cachepage.h: Same.
 155         * config/generic/cacheline.cc: Same.
 156         * config/generic/unaligned.h: Same.
 157         * config/x86/cacheline.h: Same.
 158         * config/x86/cacheline.cc: Same.
 159         * config/x86/unaligned.h: Same.
 160         * config/alpha/cacheline.h: Same.
 161         * config/alpha/unaligned.h: Same.
 162         * config/alpha/sjlj.S: Same.
 163         * config/posix/cachepage.cc: Same.
 164         * config/linux/futex.h: Same.
 165         * config/linux/alpha/futex_bits.h: Same.
 166
 167 2011-11-04  Torvald Riegel  <triegel@redhat.com>
 168
 169         * libitm.texi: No cover text and invariant sections.
 170
 171 2011-11-03  Richard Henderson  <rth@redhat.com>
 172
 173         * local_type_traits: New file.
 174         * libitm_i.h: Use it.  Use C headers, not C++ wrappers.
 175
 176 2011-11-03  Richard Henderson  <rth@redhat.com>
 177
 178         * configure.ac: Don't test for gfortran.
 179         * configure: Rebuild.
 180
 181         * testsuite/lib/libitm.exp: Don't include gfortran-dg.exp.
 182         * testsuite/libitm.c++/c++.exp: Don't use gfortran-dg-runtest.
 183
 184 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 185
 186         * testsuite/libitm.c/memcpy-1.c: Add copyright notice.
 187         * testsuite/libitm.c/memset-1.c: Same.
 188         * testsuite/libitm.c/c.exp: Same.
 189         * testsuite/lib/libitm-dg.exp: Same.
 190         * testsuite/lib/libitm.exp: Same.
 191         * testsuite/libitm.c++/c++.exp: Same.
 192
 193 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 194
 195         * testsuite/config/default.exp: Update copyright date.
 196         * configure.ac: Add copyright info.
 197         * configure.tgt: Same.
 198
 199 2011-11-03  Aldy Hernandez  <aldyh@redhat.com>
 200
 201         * testsuite/libitm.c/reentrant.c: XFAIL.
 202         * testsuite/libitm.c++/static_ctor.C: XFAIL.
 203
 204 2011-10-29  Torvald Riegel  <triegel@redhat.com>
 205
 206         * beginend.cc (GTM::gtm_thread::rollback): Add aborting flag and
 207         handle aborts.
 208         (_ITM_abortTransaction): Handle aborts of outer transactions.
 209         * libitm_i.h: Same.
 210         * eh_cpp.cc (GTM::gtm_thread::revert_cpp_exceptions): Fix assertion.
 211         * libitm.texi: Document aborts of outer transactions.
 212         * testsuite/libitm.c/cancel.c: New file.
 213
 214 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 215
 216         * testsuite/*: Change __transaction to __transaction_atomic or
 217         __transaction_relaxed.
 218
 219 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 220
 221         * config/linux/x86/tls.h (abi_disp): Make TLS slot read volatile.
 222         (gtm_thr): Same.
 223
 224 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 225
 226         * libitm_i.h: Add gl_wt dispatch.
 227         * retry.cc (parse_default_method): Same.
 228         * method-gl.cc: New file.
 229         * Makefile.am: Use method-gl.cc.
 230         * Makefile.in: Rebuild.
 231
 232 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 233
 234         * beginend.cc (GTM::gtm_thread::trycommit): Ensure privatization
 235         safety if requested by a TM method.
 236         * dispatch.h (GTM::abi_dispatch::trycommit): Add parameter for
 237         privatization safety.
 238         * method-serial.cc: Same.
 239
 240 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 241
 242         * libitm_i.h: Renamed gtm_local_undo to gtm_undolog_entry.
 243         (GTM::gtm_thread): Renamed local_undo to undolog. Renamed
 244         undolog-related member functions from *_local to *_undolog.
 245         * local.cc (gtm_thread::commit_undolog): Same.
 246         * beginend.cc (GTM::gtm_thread::trycommit): Same.
 247         (GTM::gtm_thread::rollback): Roll back undolog before
 248         dispatch-specific rollback.
 249
 250 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 251
 252         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Handle
 253         re-initialization of the current method group.
 254         * libitm_i.h (GTM::gtm_restart_reason): Add restart reason for this.
 255
 256 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 257
 258         * alloc.cc (commit_allocations_2): Do not free transaction-local
 259         memory when committing a nested transaction.
 260
 261 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 262
 263         * method-serial.cc (GTM::gtm_thread::serialirr_mode): Fixed: Use
 264         serial-irrevocable dispatch, not serial.
 265
 266 2011-10-19  Torvald Riegel  <triegel@redhat.com>
 267
 268         * libitm_i.h (GTM::gtm_restart_reason): Re-arrange and clean up
 269         declarations.
 270         * dispatch.h (GTM::abi_dispatch::begin_or_restart): New.
 271         * method-serial.cc: Implement begin_or_restart().
 272         * beginend.cc (GTM::gtm_thread::begin_transaction): Call
 273         dispatch-specific begin_or_restart().
 274         (GTM::gtm_thread::restart): Same.
 275
 276 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 277
 278         * retry.cc (GTM::gtm_thread::decide_retry_strategy): Cleanup. Fix
 279         restarting without switching to serial mode.
 280         (GTM::gtm_thread::decide_begin_dispatch): Let the caller set the
 281         transaction state. Choose closed-nesting alternative if available.
 282         (GTM::gtm_thread::set_default_dispatch): New.
 283         (parse_default_method): New.
 284         (GTM::gtm_thread::number_of_threads_changed): New.
 285         * method-serial.cc (GTM::serial_mg): New method group class.
 286         (GTM::serialirr_dispatch): Belongs to serial_mg. Remove reinit and
 287         fini.
 288         (GTM::serial_dispatch): Same.
 289         (GTM::serialirr_onwrite_dispatch): Same.
 290         (GTM::gtm_thread::serialirr_mode): Remove calls to fini.
 291         * beginend.cc (GTM::gtm_thread::~gtm_thread): Maintain number of
 292         registered threads.
 293         (GTM::gtm_thread::gtm_thread): Same.
 294         (_ITM_abortTransaction): Remove calls to abi_dispatch::fini().
 295         (GTM::gtm_thread::trycommit): Same. Reset number of restarts.
 296         (GTM::gtm_thread::begin_transaction): Let decide_begin_dispatch()
 297         choose dispatch but set state according to dispatch here.
 298         * dispatch.h (GTM::abi_dispatch::fini): Move to method group.
 299         (GTM::method_group): New class.
 300         (GTM::abi_dispatch): Add comments. Maintain pointer to method_group.
 301         * libitm_i.h (GTM::gtm_thread): Add declarations for new members.
 302         * libitm.texi: Document TM methods, method groups, method life cycle.
 303         Rename method sets to method groups.
 304
 305 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 306
 307         * config/x86/tls.h: Moved to ...
 308         * config/linux/x86/tls.h: ... here.
 309
 310 2011-08-23  Torvald Riegel  <triegel@redhat.com>
 311
 312         * config/x86/tls.h: Use __x86_64__ instead of __LP64__.
 313         Add X32 support.
 314         * config/x86/sjlj.S: Same.
 315
 316 2011-08-19  Torvald Riegel  <triegel@redhat.com>
 317
 318         * config/linux/rwlock.h: New file.
 319         * config/linux/rwlock.c: New file.
 320         * configure.ac: Reenable futex support (undo SVN rev 157758).
 321         * Makefile.am: Same.
 322         * configure.tgt: Same.
 323         * config/linux/alpha/futex_bits.h: Same.
 324         * config/linux/futex.h: Same. Return number of woken processes.
 325         * config/linux/futex.cc: Same.
 326         (futex_wait): Remove spinning.
 327         * config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
 328         Use __x86_64__ instead of __LP64__.
 329         * aclocal.m4: Include generic futex checks.
 330         * configure: Rebuild.
 331         * Makefile.in: Rebuild.
 332         * testsuite/Makefile.in: Rebuild.
 333         * beginend.cc: Include pthread.h.
 334         * config/posix/cachepage.cc: Same.
 335
 336 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 337
 338         * config/x86/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
 339         (abi_disp, set_abi_disp): Move to tx's TLS slot.
 340         (set_gtm_thr): New.
 341         * config/generic/tls.h (gtm_tx, set_gtm_tx, setup_gtm_thr): Removed.
 342         (set_gtm_thr): New.
 343         (GTM::gtm_thread::thread_num): Removed.
 344         (GTM::gtm_thread): Renamed to GTM::gtm_thread_tls.
 345         * libitm_i.h (GTM::gtm_transaction): Renamed to GTM::gtm_thread. More
 346         tx-to-thread renaming.
 347         * beginend.cc: Adapted to tx-to-thread renaming.
 348         (GTM::gtm_thread::~gtm_thread): Extracted from thread_exit_handler().
 349         (GTM::gtm_thread::gtm_thread): Extracted from begin_transaction().
 350         * query.cc (_ITM_getTransactionId, _ITM_inTransaction): Renamed
 351         gtm_transaction to gtm_thread.
 352         (_ITM_getThreadnum): Removed. Not supported anymore.
 353         * testsuite/libitm.c/notx.c (main): Removed _ITM_getThreadnum call.
 354         * libitm.texi: Documented that _ITM_getThreadnum is not supported.
 355         * useraction.cc: Renamed gtm_transaction to gtm_thread. Adapted to
 356         gtm_tx-to-gtm_thr renaming if necessary.
 357         * eh_cpp.cc: Same.
 358         * local.cc: Same.
 359         * retry.cc: Same.
 360         * clone.cc: Same.
 361         * alloc.cc: Same.
 362         * alloc_c.cc: Same.
 363         * alloc_cpp.cc: Same.
 364         * method-serial.cc: Same.
 365         * config/generic/tls.cc: Same.
 366         * config/posix/rwlock.h (gtm_rwlock): Same.
 367         * config/posix/rwlock.cc: Same. Adapted to more tx-to-thread renaming.
 368
 369 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 370
 371         * config/posix/rwlock.cc (gtm_rwlock::read_lock): Changed locking
 372         implementation.
 373         (gtm_rwlock::read_unlock): Same.
 374         (gtm_rwlock::write_lock_generic): New. Generalized from ...
 375         (gtm_rwlock::write_lock, gtm_rwlock::write_upgrade): ... these.
 376         * libitm_i.h (GTM::gtm_transaction): Added shared_state.
 377         * config/posix/rwlock.h (GTM::gtm_rwlock): Removed a_reader and
 378         w_upgrade. Replaced by per-transaction flags (in shared_state).
 379         Added c_confirmed_writers.
 380         (GTM::gtm_rwlock::read_lock, GTM::gtm_rwlock::read_unlock,
 381         GTM::gtm_rwlock::write_upgrade): Add tx parameter.
 382         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
 383         * method-serial.cc (GTM::gtm_transaction::serialirr_mode): Same.
 384         * beginend.cc (GTM::gtm_transaction::begin_transaction,
 385         _ITM_abortTransaction, GTM::gtm_transaction::trycommit): Same.
 386         * libitm.texi: Document locking conventions and implementations in
 387         libitm.
 388
 389 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 390
 391         * libitm_i.h (next_tx): Add list of all threads' transaction.
 392         * beginend.cc (GTM::gtm_transaction::begin_transaction): Register
 393         transaction with list of transactions and ...
 394         (thread_exit_handler): ... deregister here.
 395         * config/alpha/target.h: Add HW_CACHELINE_SIZE setting.
 396         * config/x86/target.h: Same.
 397
 398 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 399
 400         * testsuite/libitm.c++/static_ctor.C: New file.
 401
 402 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 403
 404         * testsuite/libitm.c/reentrant.c: New file.
 405
 406 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 407
 408         * config/generic/tls.h: Remove the free list for transactions and ...
 409         * beginend.cc (GTM::gtm_transaction::operator new): ... allocate ...
 410         (GTM::gtm_transaction::operator delete): ... and release here.
 411         (thread_exit_handler): New. Delete tx when thread terminates.
 412         (thread_exit_init): New.
 413         (GTM::gtm_transaction::begin_transaction): Set up on-exit handler.
 414         * testsuite/libitm.c/txrelease.c: New file.
 415
 416 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 417
 418         * query.cc (_ITM_getThreadnum): Set up gtm_thread if necessary.
 419         * testsuite/libitm.c/notx.c: New file.
 420
 421 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 422
 423         * config/generic/tls.h (gtm_thread): Move local_tid from here ...
 424         * libitm_i.h (local_tid): ... to here.
 425         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
 426         (GTM::gtm_transaction::operator new): Set up gtm_thread if necessary.
 427
 428 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 429
 430         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Use
 431         serialirr_onwrite_dispatch as new default for now.
 432         * method-serial.cc (serialirr_onwrite_dispatch): New.
 433         (GTM::dispatch_serialirr_onwrite): New.
 434         * libitm_i.h: Same.
 435
 436 2011-08-12  Torvald Riegel  <triegel@redhat.com>
 437
 438         * beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
 439         * query.cc (_ITM_getTransactionId): There is no active transaction if
 440         the current nesting level is zero.
 441
 442 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 443
 444         * beginend.cc (GTM::gtm_transaction::rollback): Fix nesting level
 445         rollback.
 446
 447 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 448
 449         * retry.cc (GTM::gtm_transaction::decide_begin_dispatch): Get
 450         transaction properties from the caller instead of from the
 451         transaction object.
 452         * libitm_i.h: Same.
 453         * beginend.cc (GTM::gtm_transaction::begin_transaction): Same.
 454
 455 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 456
 457         * local.cc (gtm_transaction::rollback_local): Support closed nesting.
 458         * eh_cpp.cc (GTM::gtm_transaction::revert_cpp_exceptions): Same.
 459         * dispatch.h: Same.
 460         * method-serial.cc: Same.
 461         * beginend.cc (GTM::gtm_transaction::begin_transaction): Change to
 462         flat nesting as default, and closed nesting on demand.
 463         (GTM::gtm_transaction::rollback): Same.
 464         (_ITM_abortTransaction): Same.
 465         (GTM::gtm_transaction::restart): Same.
 466         (GTM::gtm_transaction::trycommit): Same.
 467         (GTM::gtm_transaction::trycommit_and_finalize): Removed.
 468         (choose_code_path): New.
 469         (GTM::gtm_transaction_cp::save): New.
 470         (GTM::gtm_transaction_cp::commit): New.
 471         * query.cc (_ITM_inTransaction): Support flat nesting.
 472         * libitm_i.h (GTM::gtm_transaction_cp): New helper struct for nesting.
 473         (GTM::gtm_transaction): Support flat and closed nesting.
 474         * alloc.cc (commit_allocations_2): New.
 475         (commit_cb_data): New helper struct.
 476         (GTM::gtm_transaction::commit_allocations): Handle nested
 477         commits/rollbacks.
 478         * libitm.texi: Update user action section, add description of nesting.
 479
 480 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 481
 482         * libitm_i.h: Add closed nesting as restart reason.
 483         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Same.
 484
 485 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 486
 487         * useraction.cc: Use vector instead of list to store actions.
 488         Also support partial rollbacks for closed nesting.
 489         * libitm_i.h (GTM::gtm_transaction::user_action): Same.
 490         * beginend.cc: Same.
 491
 492 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 493
 494         * dispatch.h (GTM::abi_dispatch): Add can_run_uninstrumented_code and
 495         closed_nesting flags, as well as a closed nesting alternative.
 496         * method-serial.cc: Same.
 497         (serial_dispatch): Renamed to serialirr_dispatch.
 498         (GTM::dispatch_serialirr): Same.
 499         (serial_dispatch_ul): Renamed to serial_dispatch.
 500         (GTM::dispatch_serial): Same.
 501
 502 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 503
 504         * libitm.h (_ITM_codeProperties): Change pr_hasElse to the ABI's value.
 505
 506 2011-07-28  Torvald Riegel  <triegel@redhat.com>
 507
 508         * aatree.h (aa_tree::remove): New.
 509         (aa_tree::operator new): Add placement new.
 510
 511 2011-07-02  Torvald Riegel  <triegel@redhat.com>
 512
 513         * containers.h: New file.
 514         * util.cc (xmalloc, xrealloc): Accept cacheline-alloc flag.
 515         * libitm_i.h (xmalloc, xrealloc): Moved declarations from here ...
 516         * common.h: ... to here.
 517         (local_undo): Use GTM::vector for gtm_transaction::local_undo.
 518         * local.cc: Same.
 519
 520 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 521
 522         * libitm_i.h (STATE_ABORTING): Remove.
 523         * beginend.cc (_ITM_abortTransaction): Same.
 524         (GTM::gtm_transaction::trycommit_and_finalize): Same.
 525         * libitm.h (_ITM_registerThrownObject, _ITM_tryCommitTransaction): Remove.
 526         (_ITM_rollbackTransaction): Remove.
 527         * beginend.cc: Same.
 528         * libitm.map: Same.
 529         * libitm.texi: Document these ABI changes.
 530
 531 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 532
 533         * libitm.texi: New file.
 534         * Makefile.am: Add libitm.texi.
 535         * Makefile.in: Rebuild.
 536
 537 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 538
 539         * libitm_i.h: Move parts to common.h and dispatch.h.
 540         * common.h: New file.
 541         * dispatch.h: New file, new dispatch class.
 542         Rename GTM::abi_dispatch::lock_type to ls_modifier.
 543         RenameGTM::abi_dispatch::NOLOCK to NONTXNAL.
 544         * beginend.cc (GTM::gtm_transaction::begin_transaction): Delegate mode
 545         decision to retry.cc.
 546         * retry.cc (GTM::gtm_transaction::decide_retry_strategy): Use serial mode
 547         only.
 548         (GTM::gtm_transaction::decide_begin_dispatch): Same.
 549         * method-serial.cc: Adapt to new dispatch. Add serial mode with undo
 550         logging.
 551         * barrier.cc: Use new barriers definitions.
 552         (abi_dispatch::memmove_overlap_check): New.
 553         * config/x86/x86_sse.cc: Same.
 554         * config/x86/x86_avx.cc: Same.
 555         * Makefile.am: Don't build readonly and wbetl methods, memset.cc and
 556         memcpy.cc.
 557         * Makefile.in: Rebuild.
 558         * method-readonly.cc: Remove.
 559         * method-wbetl.cc: Rename GTM::abi_dispatch::lock_type to ls_modifier.
 560         Rename GTM::abi_dispatch::NOLOCK to NONTXNAL.
 561
 562 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 563
 564         * alloc_c.cc (_ITM_dropReferences): Don't support it anymore.
 565         * testsuite/libitm.c++/dropref.C: _ITM_dropReferences is expected to fail.
 566         * testsuite/libitm.c/dropref-2.c: Same.
 567         * testsuite/libitm.c/dropref.c: Same.
 568
 569 2011-06-30  Torvald Riegel  <triegel@redhat.com>
 570
 571         * config/generic/tls.h (gtm_disp): Rename to abi_disp.
 572         * config/generic/tls.h (set_gtm_disp): Rename to set_abi_disp.
 573         * libitm_i.h: Rename gtm_dispatch to abi_dispatch.
 574         * alloc_c.cc: Same.
 575         * barrier.tpl: Same.
 576         * beginend.c: Same.
 577         * config/generic/tls.h: Same.
 578         * config/x86/tls.h: Same.
 579         * libitm_i.h: Same.
 580         * memcpy.cc: Same.
 581         * memset.cc: Same.
 582         * method-readonly.cc: Same.
 583         * method-serial.cc: Same.
 584         * method-wbetl.cc: Same.
 585         * retry.cc: Same.
 586
 587 2011-03-03  Richard Henderson  <rth@redhat.com>
 588
 589         * config/posix/rwlock.cc (write_upgrade): Add missing case.
 590         From Patrik Marlier <patrick.marlier@unine.ch>.
 591
 592 2011-02-03  Richard Henderson  <rth@redhat.com>
 593
 594         * acinclude.m4 (LIBITM_CHECK_SIZE_T_MANGLING): New.
 595         * configure.ac: Use it.
 596         * configure, config.h.in: Rebuild.
 597         * alloc_cpp.cc (_ZnwX): Use MANGLE_SIZE_T in constructing the name.
 598         (_ZnaX, _ZnwXRKSt9nothrow_t, _ZnaXRKSt9nothrow_t, _ZGTtnwX,
 599         _ZGTtnaX, _ZGTtnwXRKSt9nothrow_t, _ZGTtnaXRKSt9nothrow_t): Likewise.
 600         * libitm.map: Use wildcards to match size_t mangling.
 601
 602 2010-12-14  Richard Henderson  <rth@redhat.com>
 603
 604         * beginend.cc (GTM::gtm_transaction::begin_transaction): Allocate
 605         blocks of TIDs per thread.
 606         * config/generic/tls.h (struct gtm_thread): Add local_tid member.
 607         (setup_gtm_thr): Return the thread structure.
 608         * config/x86/tls.h (setup_gtm_thr): Likewise.
 609
 610 2010-12-14  Richard Henderson  <rth@redhat.com>
 611
 612         * clone.cc (table_lock): Remove.
 613         (find_clone): Don't take it.
 614         (ExcludeTransaction): New helper class.
 615         (_ITM_registerTMCloneTable): Use it.
 616         (_ITM_deregisterTMCloneTable): Likewise.
 617
 618 2010-12-14  Richard Henderson  <rth@redhat.com>
 619
 620         * config/x86/tls.h: New file.
 621
 622 2010-07-15  Richard Henderson  <rth@redhat.com>
 623
 624         * Makefile.am (AM_CXXFLAGS): Add -funwind-tables.
 625         * Makefile.in: Rebuild.
 626
 627 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
 628
 629         * method-wbetl.cc (trydropreference): Fix source line.
 630
 631 2010-07-13  Aldy Hernandez  <aldyh@redhat.com>
 632
 633         * libitm.h: Add comment.
 634         * libitm_i.h (begin_transaction): Add ITM_REGPARM.
 635
 636 2010-07-07  Aldy Hernandez  <aldyh@redhat.com>
 637
 638         * configure.ac: Call LIBITM_CHECK_64BIT_SYNC_BUILTINS.
 639         * beginend.cc (begin_transaction): If 64-bit sync builtins are not
 640         available, use pthread mutexes.
 641         * acinclude.m4 (LIBITM_CHECK_64BIT_SYNC_BUILTINS): New.
 642         * config.h.in: Regenerate.
 643         * configure: Regenerate.
 644
 645 2010-07-06  Aldy Hernandez  <aldyh@redhat.com>
 646
 647         * libitm.h (ITM_PURE): Define.
 648         Declare _ITM_malloc, _ITM_calloc, and _ITM_free.
 649
 650 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
 651
 652         * method-wbetl.cc (class wbetl_dispatch): Add trydropreference.
 653         (validate): Add comment.
 654         (trydropreference): New.
 655         * method-readonly.cc (class readonly_dispatch): Add
 656         trydropreference.
 657         * alloc_c.cc (_ITM_dropReferences): Remove const attribute.
 658         Call trydropreference().
 659         * libitm.h (_ITM_dropReferences): Remove const attribute.
 660         * method-serial.cc (class serial_dispatch): Add trydropreference.
 661         * libitm_i.h (struct gtm_dispatch): Add trydropreference.
 662
 663 2010-06-28  Aldy Hernandez  <aldyh@redhat.com>
 664
 665         * memcpy.cc (do_memcpy): Comment.
 666
 667 2010-06-25  Aldy Hernandez  <aldyh@redhat.com>
 668
 669         * barrier.tpl: Add comments throughout.
 670
 671 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
 672
 673         * method-wbetl.cc (struct w_entry): Add comments.
 674         (trycommit): Same.
 675         (rollback): Same.
 676
 677 2010-06-24  Aldy Hernandez  <aldyh@redhat.com>
 678
 679         * alloc_c.cc (_ITM_dropReferences): New.
 680         * libitm.map (_ITM_dropReferences): Add.
 681         * libitm.h (_ITM_dropReferences): Add transaction_pure attribute.
 682         * libitm_i.h (struct gtm_transaction): Declare
 683         drop_references_allocations and drop_references_local.
 684         * local.cc (rollback_local): Ignore memory when applicable.
 685         (drop_references_local): New.
 686
 687 2010-06-23  Richard Henderson  <rth@redhat.com>
 688
 689         * barrier.tpl, beginend.cc, clone.cc, tls.h, memcpy.cc,
 690         memset.cc, method-serial.cc: Revert the 2010-06-16 change.
 691         * config/x86/target.h (struct gtm_jmpbuf): Change CFA type to void*.
 692         * config/alpha/target.h: Likewise.
 693         * config/generic/tls.cc (gtm_mask_stack): Use it.
 694
 695 2010-06-23  Richard Henderson  <rth@redhat.com>
 696
 697         * config/posix/cachepage.cc (gtm_cacheline_page::operator new): Use
 698         a mutex instead of trying a lock-free compare-and-swap on the list.
 699         (gtm_cacheline_page::operator delete): Likewise.
 700
 701 2010-06-16  Richard Henderson  <rth@redhat.com>
 702
 703         * method-wbetl.cc (wbetl_dispatch::trycommit): Discard changes
 704         that overlap the libitm stack.
 705         * barrier.tpl: Mark incoming stack.
 706         * beginend.cc (_ITM_rollbackTransaction, _ITM_abortTransaction,
 707         _ITM_commitTransaction, _ITM_commitTransactionEH): Likewise.
 708         * clone.cc (_ITM_getTMCloneOrIrrevocable): Likewise.
 709         * memcpy.cc, memset.cc: Likewise.
 710         * method-serial.cc (_ITM_changeTransactionMode): Likewise.
 711         * config/generic/tls.h (gtm_thread): Add stack_top member.
 712         (gtm_stack_top, set_gtm_stack_top, struct gtm_stack_marker): New.
 713         * libitm_i.h (gtm_mask_stack): Declare.
 714         * config/generic/tls.cc: New file.
 715         * Makefile.am (libitm_la_SOURCES): Add it.
 716         (AM_CXXFLAGS): Turn off exceptions.
 717         * Makefile.in: Rebuild.
 718
 719 2010-06-16  Richard Henderson  <rth@redhat.com>
 720
 721         * alloc.cc (struct gtm_alloc_action): Move definition ...
 722         * libitm_i.h: ... here.
 723         (class gtm_transaction): Declare new and delete.
 724         * beginend.cc (alloc_tx): Reformulate as operator new.
 725         (free_tx): Reformulate as operator delete.
 726         * config/generic/tls.h (gtm_thread): Change free_tx member to void *.
 727
 728 2010-06-11  Richard Henderson  <rth@redhat.com>
 729
 730         * clone.cc (clone_entry_compare): Fix typo.
 731         From Patrik Marlier <patrick.marlier@unine.ch>.
 732
 733 2010-05-13  Richard Henderson  <rth@redhat.com>
 734
 735         * alloc_c.cc (_ITM_malloc, _ITM_calloc, _ITM_free): Wrap functions
 736         in extern "C".
 737
 738 2010-05-07  Aldy Hernandez  <aldyh@redhat.com>
 739
 740         * libitm_i.h (struct gtm_transaction): Remove
 741         get_allocation_size.
 742         (record_allocation): Remove size parameter.
 743         * libitm.map (_ITM_realloc): Remove.
 744         * alloc_c.cc (_ITM_realloc): Remove.
 745         (_ITM_malloc): Remove size argument to record_allocation.
 746         (_ITM_calloc): Same.
 747         * alloc_cpp.cc (_ZGTtnwm): Same.
 748         (_ZGTtnwmRKSt9nothrow_t): Same.
 749         (_ZGTtnam): Same.
 750         (_ZGTtnamRKSt9nothrow_t): Same.
 751         * alloc.cc (struct gtm_alloc_action): Remove size.
 752         (get_allocation_size): Remove.
 753         (commit_allocations): Add comment.
 754         (record_allocation): Remove size parameter.
 755         (forget_allocation): Remove set of size.
 756
 757 2010-04-19  Aldy Hernandez  <aldyh@redhat.com>
 758
 759         * Makefile.am (abi_version): New.
 760         (AM_CXXFLAGS): Pass abi_version.
 761         * Makefile.in: Regenerate.
 762         * config/x86/unaligned.h: Remove always_inline kludge for vectors.
 763
 764 2010-04-06  Aldy Hernandez  <aldyh@redhat.com>
 765
 766         * clone.cc (_ITM_getTMCloneOrIrrevocable): Rename from
 767         _ITM_getTMCloneOrIrrevokable.
 768         * libitm.h (_ITM_getTMCloneOrIrrevocable): Same.
 769         * libitm.map (_ITM_getTMCloneOrIrrevocable): Same.
 770
 771 2010-03-26  Aldy Hernandez  <aldyh@redhat.com>
 772
 773         * configure.ac: Remove Linux futex support.
 774         * configure.tgt (config_path): Same.
 775         * Makefile.am: Same.
 776         * config/linux: Remove entire directory.
 777         * configure: Rebuild.
 778         * Makefile.in: Rebuild.
 779         * testsuite/Makefile.in: Rebuild.
 780
 781 2010-03-09  Aldy Hernandez  <aldyh@redhat.com>
 782
 783         * retry.cc (decide_retry_strategy): Set state to STATE_SERIAL when
 784         switching to serial mode.
 785         * beginend.cc (trycommit_and_finalize): Unlock serial_lock.
 786
 787 2010-03-03  Aldy Hernandez  <aldyh@redhat.com>
 788
 789         * configure.tgt: Add emacs -*- tags.
 790         * barrier.tpl: Same.
 791
 792 2010-02-23  Aldy Hernandez  <aldyh@redhat.com>
 793
 794         * Makefile.am: Rename serial.cc to method-serial.cc.
 795         * Makefile.in: Regenerate with automake 1.11.1.
 796         * testsuite/Makefile.in: Same.
 797         * aclocal.m4: Regenerate with aclocal 1.11.1.
 798         * method-serial.cc: Rename from serial.cc.
 799         * libitm_i.h (struct gtm_transaction): Update comment on
 800         serialirr_mode.
 801
 802 2010-02-22  Aldy Hernandez  <aldyh@redhat.com>
 803
 804         * libitm_i.h (GTM_longjmp): Add ITM_REGPARM.
 805         * config/linux/rwlock.h (class gtm_rwlock): Add comments.
 806
 807 2010-02-11  Aldy Hernandez  <aldyh@redhat.com>
 808
 809         * configure: Rebuild.
 810
 811 2009-11-12  Richard Henderson  <rth@redhat.com>
 812
 813         * Rewrite everything in C++.
 814
 815 2009-11-03  Richard Henderson  <rth@redhat.com>
 816
 817         * config/x86/x86_sse.c, config/x86/x86_avx.c: New files.
 818         * Makefile.am (libitm_la_SOURCES): Add them.
 819         * configure.ac (ARCH_X86): New conditional.
 820         * Makefile.in, configure: Rebuild.
 821         * configure.tgt: Set up ARCH; do cflags setup at the same time.
 822         Move futex setup into "other system configury" case.
 823         * local.c (rollback_local): Merge into ...
 824         (GTM_rollback_local): ... here.
 825         (GTM_LB): Rename from GTM_alloc_local; do the memcpy here.
 826         (_ITM_LB): Define as an alias to GTM_LB.
 827
 828 2009-11-03  Richard Henderson  <rth@redhat.com>
 829
 830         * method-readonly.c: New file.
 831         * Makefile.am (libitm_la_SOURCES): Add it.
 832         * Makefile.in: Rebuild.
 833         * beginend.c (gtm_stmlock_array, gtm_clock): New.
 834         (GTM_begin_transaction): Use dispatch_readonly for read-only txn.
 835         * libitm_i.h (gtm_stmlock, gtm_version): Move from method-wbetl.c.
 836         (GTM_VERSION_MAX, GTM_VERSION_INVALID, gtm_stmlock_owned_p,
 837         gtm_stmlock_set_owned, gtm_stmlock_get_addr,
 838         gtm_stmlock_get_version, gtm_stmlock_set_version, LOCK_ARRAY_SIZE,
 839         gtm_stmlock_array, gtm_get_stmlock, gtm_clock, RESTART_NOT_READONLY,
 840         gtm_get_clock, gtm_inc_clock): New.
 841         * method-wbetl.c (gtm_version, gtm_stmlock, OWNED_MASK, VERSION_MAX,
 842         LOCK_GET_OWNED, LOCK_SET_ADDR, LOCK_GET_ADDR, LOCK_GET_TIMESTAMP,
 843         LOCK_SET_TIMESTAMP, LOCK_ARRAY_SIZE, LOCK_MASK, LOCK_IDX, GET_LOCK,
 844         locks, gclock, CLOCK, GET_CLOCK, FETCH_AND_INC_CLOCK): Remove and
 845         replace uses with new libitm_i.h symbols.
 846         (dispatch_wbetl): Rename from wbetl_dispatch.
 847         * retry.c (GTM_decide_retry_strategy): If RESTART_NOT_READONLY, move
 848         away from dispatch_readonly; abort if the beginTransaction call
 849         asserted that the transaction was readonly.
 850
 851 2009-11-03  Richard Henderson  <rth@redhat.com>
 852
 853         * memset.c: New file.
 854         * Makefile.am (libitm_la_SOURCES): Add it.
 855         * Makefile.in: Rebuild.
 856         * testsuite/libitm.c/memset-1.c: New.
 857
 858 2009-11-03  Richard Henderson  <rth@redhat.com>
 859
 860         * dispatch.c: Remove file.
 861         * useraction.c (struct gtm_user_action): Move from libitm.h.
 862         * serial.c (GTM_null_read_lock, GTM_null_write_lock): New.
 863         (serial_memset, serial_memmove, serial_memcpy): Remove.
 864         (serial_W*, serial_R*): Remove.
 865         (serial_dispatch): Update to match.
 866         * configure.ac: Move Werror down below configure checks.  Don't
 867         check for sys/loadavg.h, do check for malloc.h.  Don't check for
 868         getloadavg and clock_gettime; do check for memalign, posix_memalign.
 869         Use GCC_AC_FUNC_MMAP_BLACKLIST
 870         * libitm.h: Split out all internal items to...
 871         * libitm_i.h: ... here.  New file.
 872         * copymask.c: New file.
 873         * local.c (struct gtm_local_undo): Move from libitm.h.
 874         (GTM_alloc_local): Rename from alloc_local; export.
 875         * memcpy.c: New file.
 876         * alloc_c.c (_ITM_realloc): Use _ITM_memcpyRnWt directly.
 877         * config/posix/page.c: New file.
 878         * config/posix/target_tls.h: Remove file.
 879         * barrier.c: New file.
 880         * Makefile.am (libitm_la_SOURCES): Add barrier.c, memcpy.c,
 881         copymask.c, page.c.
 882         * alloc.c (struct gtm_alloc_action): Move from libitm.h.
 883         * method-wbetl.c: Rewrite for new cacheline methods.
 884         * Makefile.in, configure, testsuite/Makefile.in, config.h.in: Rebuild.
 885
 886         * config/alpha/sjlj.S: Fix typo.
 887         * config/alpha/target_i.h: Copy functions from alpha/target.h.
 888         * config/alpha/copymask.c: New file.
 889         * config/alpha/target.h (CACHELINE_SIZE): New.
 890         (STRICT_ALIGNMENT, PAGE_SIZE, FIXED_PAGE_SIZE): New.
 891
 892         * config/x86/target_i.h: Copy functions from x86/target.h.
 893         * config/x86/copymask.c: New file.
 894         * config/x86/target.h (_ITM_ALL_TARGET_TYPES): Remove.
 895         (CACHELINE_SIZE, STRICT_ALIGNMENT): New.
 896         (PAGE_SIZE, FIXED_PAGE_SIZE): New.
 897         * config/x86/target_tls.h: Move contents to target_i.h.
 898
 899         * testsuite/libitm.c/clone-1.c: Include libitm.h.
 900         * testsuite/libitm.c/memcpy-1.c: New.
 901
 902 2009-10-22  Richard Henderson  <rth@redhat.com>
 903
 904         * Makefile.am (CCAS, CCASFLAGS, LTCCASCOMPILE): Remove.
 905         (AM_CCASFLAGS): New.
 906         * configure.ac: Add AM_PROG_AS.  Use m4_rename_force for
 907         saving/restoring _AC_ARG_VAR_PRECIOUS.
 908         * Makefile.in, aclocal.m4, config.h.in, configure,
 909         testsuite/Makefile.in: Rebuild with automake 1.11; autoconf 2.64.
 910
 911 2009-10-22  Richard Henderson  <rth@redhat.com>
 912
 913         * testsuite/*: Update for new compiler syntax.
 914
 915 2009-10-21  Richard Henderson  <rth@redhat.com>
 916
 917         * libitm.h (_ITM_abortReason): Add outerAbort.
 918
 919 2009-08-03  Richard Henderson  <rth@redhat.com>
 920
 921         * libitm.map (_ITM_commitTransactionEH, _ITM_cxa_allocate_exception,
 922         _ITM_cxa_begin_catch, _ITM_cxa_end_catch, _ITM_cxa_throw): Export.
 923         * method-wbetl.c (struct w_entry): Remove mask.
 924         (wbetl_write, wbetl_load): Return pointer to word containing the data;
 925         adjust all callers.
 926
 927 2009-07-22  Richard Henderson  <rth@redhat.com>
 928
 929         * eh_cpp.c: New file.
 930         * Makefile.am (libitm_la_SOURCES): Add it.
 931         * Makefile.in: Rebuild.
 932         * beginend.c (GTM_rollback_transaction): Undo exception state.
 933         (GTM_trycommit_transaction): Mark inline.
 934         (GTM_trycommit_and_finalize_transaction): Split out from ...
 935         (_ITM_commitTransaction): ... here.
 936         (_ITM_commitTransactionEH): New function.
 937         * libitm.h (struct gtm_transaction): Add cxa_catch_count,
 938         cxa_unthrown, eh_in_flight; reorder.
 939
 940         * testsuite/libitm.c++/c++.exp: New.
 941         * testsuite/libitm.c++/eh-1.C: New.
 942
 943         * aatree.c (aa_free): Remove REGPARM.
 944         * aatree.h: Remove all REGPARM.
 945
 946 2009-07-18  Richard Henderson  <rth@redhat.com>
 947
 948         * aatree.c, aatree.h, alloc.c, alloc_c.c, alloc_cpp.c: New files.
 949         * Makefile.am (libitm_la_SOURCES): Add them.
 950         * Makefile.in: Rebuild.
 951         * beginend.c (GTM_rollback_transaction): Use GTM_commit_allocations.
 952         (GTM_trycommit_transaction): Likewise.
 953         * libitm.h: Include aatree.h
 954         (struct gtm_alloc_action): New.
 955         (struct gtm_transaction): Add alloc_actions.
 956         (GTM_record_allocation, GTM_forget_allocation): Declare.
 957         (GTM_get_allocation_size, GTM_commit_allocations): Declare.
 958         * libitm.map (_ITM_malloc, _ITM_calloc, _ITM_realloc, _ITM_free,
 959         _ZGTtnwm, _ZGTtnam, _ZGTtdlPv, _ZGTtdaPv, _ZGTtnwmRKSt9nothrow_t,
 960         _ZGTtnamRKSt9nothrow_t, _ZGTtdlPvRKSt9nothrow_t,
 961         _ZGTtdaPvRKSt9nothrow_t): Export.
 962
 963 2009-07-18  Richard Henderson  <rth@redhat.com>
 964
 965         * target_tls.h: Move ...
 966         * config/posix/target_tls.h: ... here.
 967
 968 2009-07-07  Richard Henderson  <rth@redhat.com>
 969
 970         * config/x86/target.h (atomic_write_barrier): Use sfence if available.
 971
 972 2009-07-07  Richard Henderson  <rth@redhat.com>
 973
 974         * Update to GPL3.
 975
 976 2009-07-07  Richard Henderson  <rth@redhat.com>
 977
 978         * libitm.h (struct gtm_transaction): Widen id to _ITM_transactionId_t.
 979         * beginend.c (global_tid): Widen to _ITM_transactionId_t.
 980
 981         * configure.tgt: Don't use -ftls-model for x86 linux.
 982         * libitm.h: Include target.h after standard includes.
 983         (_gtm_thr): Rename from gtm_thr.
 984         (setup_gtm_thr, gtm_thr, gtm_tx, set_gtm_tx): New.
 985         (gtm_disp, set_gtm_disp): New.
 986         * beginend.c, dispatch.c, local.c, method-wbetl.c, query.c,
 987         retry.c, serial.c, useraction.c: Use accessor functions throughout.
 988         * config/alpha/target_tls.h, config/x86/target_tls.h: New files.
 989
 990 2009-07-07  Richard Henderson  <rth@redhat.com>
 991
 992         * config/linux/rwlock.c (EZ): New define.  Use it throughout.
 993
 994 2009-07-06  Richard Henderson  <rth@redhat.com>
 995
 996         * libitm.h (_ITM_SRCLOCATION_DECL_1, _ITM_SRCLOCATION_DECL_2): Remove.
 997         (_ITM_SRCLOCATION_DEFN_1, _ITM_SRCLOCATION_DEFN_2): Remove.
 998         (_ITM_beginTransaction): Take variadic arguments.
 999         (_ITM_registerThrownObject): Declare.
1000         * beginend.c, serial.c: Update.
1001         * libitm.map: Add _ITM_registerThrownObject.
1002
1003 2009-01-28  Richard Henderson  <rth@redhat.com>
1004
1005         * Makefile.am (libitm_la_SOURCES): Add clone.c.
1006         * Makefile.in: Rebuild.
1007         * beginend.c (_ITM_abortTransaction): Abort if irrevokable.
1008         (GTM_restart_transaction): Fix uninstrumented code check.
1009         * retry.c (GTM_decide_retry_strategy): Add serial check.
1010         * serial.c (GTM_serialmode): Add irrevokable variable.  Don't
1011         automatically go irrevokable when in serial mode.
1012         * clone.c: New file.
1013         * libitm.h, libitm.map: Update.
1014
1015 2009-01-27  Richard Henderson  <rth@redhat.com>
1016
1017         * Makefile.am (LTCCASCOMPILE): Define.
1018         (libitm_la_SOURCES): Add methid-wbetl.c.
1019         * testsuite/Makefile.am: New
1020         * configure.ac: Add testsuite/Makefile.
1021         * Makefile.in, testsuite/Makefile.in, configure: Regenerate.
1022         * beginend.c (GTM_begin_transaction): Install wbetl_dispatch.
1023         (_ITM_abortTransaction): Finalize implementation method; pass
1024         transaction properties to longjmp.
1025         (GTM_restart_transaction): Split out from ...
1026         (_ITM_commitTransaction): ... here.
1027         * config/linux/x86/futex_bits.h (cpu_relax, atomic_write_barrier):
1028         Move to config/x86/target.h.
1029         * config/linux/alpha/futex_bits.h: New.
1030         * config/x86/sjlj.S (GTM_longjmp): Fix 64-bit input register.
1031         * config/x86/target.h: Disable target types for 32-bit.
1032         * config/alpha/sjlj.S, config/alpha/target.h: New.
1033         * libitm.h (struct gtm_dispatch): Add init, fini.
1034         (enum restart_reason): New.
1035         (struct gtm_transaction): Add method and restarts.
1036         * retry.c (GTM_decide_retry_strategy): Implement.
1037         * serial.c (serial_init, serial_fini): New.
1038         (GTM_serialmode): Finialize outgoing method.
1039         * method-wbetl.c: New.
1040
1041 2008-12-09  Richard Henderson  <rth@redhat.com>
1042
1043         * config/x86/target.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): New.
1044         * configure.tgt (i386-*, x86_64-*): Don't force SSE.
1045         * dispatch.c (_ITM_##R##T, _ITM_##W##T): Use _ITM_TYPE_ATTR.
1046         * libitm.h (_ITM_ALL_TARGET_TYPES, _ITM_TYPE_ATTR): Provide default.
1047         (_ITM_TYPE_M64, _ITM_TYPE_M128, _ITM_TYPE_M256): Move to x86 header.
1048         (_ITM_ALL_TYPES): Use _ITM_ALL_TARGET_TYPES.
1049         * local.c (_ITM_L##T): Use _ITM_TYPE_ATTR.
1050         * serial.c (serial_R##T, serial_W##T): Likewise.
1051
1052 2008-11-21  Richard Henderson  <rth@redhat.com>
1053
1054         * Initial commit.