ivmai [Thu, 1 Oct 2009 19:23:14 +0000 (19:23 +0000)]
2009-10-01 Ivan Maidanski <ivmai@mail.ru>
* tests/huge_test.c: Define GC_IGNORE_WARN (if not defined) to
suppress misleading GC "Out of Memory!" warning printed on every
GC_MALLOC(LONG_MAX) call.
* tests/huge_test.c: Include "gc.h" instead of <gc.h>.
* tests/huge_test.c (main): Replace K&R-style function definition
with the ANSI C one.
* tests/huge_test.c: Expand all tabs to spaces.
ivmai [Thu, 1 Oct 2009 12:48:38 +0000 (12:48 +0000)]
2009-10-01 Ivan Maidanski <ivmai@mail.ru>
* dyn_load.c (GC_register_dynamic_libraries): Always use
lpMaximumApplicationAddress value for WinCE (even for old
versions).
* os_dep.c (VER_PLATFORM_WIN32_CE): Define if not in winbase.h.
* os_dep.c (GC_dont_query_stack_min): New global variable (only if
WinCE and THREADS).
* os_dep.c (GC_setpagesize): Adjust lpMaximumApplicationAddress
for WinCE (prior to version 6) if not _WIN32_WCE_EMULATION; set
GC_dont_query_stack_min for older WinCE (prior to version 5).
* win32_threads.c (GC_dont_query_stack_min): Declare.
* win32_threads.c (GC_get_stack_min): Rename the macro to
GC_wince_evaluate_stack_min for WinCE; update the comment.
* win32_threads.c (GC_push_stack_for, GC_get_next_stack): Use
GC_wince_evaluate_stack_min() instead of GC_get_stack_min() for
WinCE and don't update thread's last_stack_min value (only if
GC_dont_query_stack_min).
* win32_threads.c (GC_push_stack_for): Skip assertion for WinCE if
GC_dont_query_stack_min (since the evaluated stack_min value may
be incorrect if the stack is bigger than 64 KiB).
ivmai [Thu, 1 Oct 2009 12:22:02 +0000 (12:22 +0000)]
2009-10-01 Ivan Maidanski <ivmai@mail.ru>
* gc_dlopen.c (GC_dlopen): Add function redirector (only if
GC_USE_LD_WRAP).
* include/gc.h: Include "gc_pthread_redirects.h" even if
GC_USE_LD_WRAP or GC_NO_THREAD_REDIRECTS.
* include/gc_pthread_redirects.h (GC_PTHREAD_REDIRECTS_H): Don't
define and check for (since included only from gc.h).
* include/gc_pthread_redirects.h: Declare "GC_" symbols even if
GC_USE_LD_WRAP or GC_NO_THREAD_REDIRECTS.
* include/gc_pthread_redirects.h: Include signal.h only to get
sigset_t definition.
* Makefile.direct: Remove trailing spaces at EOLn.
* Makefile.direct: Document GC_REGISTER_MEM_PRIVATE.
* mark_rts.c (GC_is_tmp_root): Define also for WinCE unless
NO_DEBUGGING (that is, replace _WIN32_WCE_EMULATION with MSWINCE).
* os_dep.c (GC_sysinfo): Remove explicit global variable
initialization to "{0}" (revert back the previous change) since it
might produce a warning.
2009-09-30 Ivan Maidanski <ivmai@mail.ru> (really Petter Urkedal)
* configure.ac: Rewrite the tests for external or internal
libatomic_ops.
* configure.ac: In particular, drop the symbolic links. Add option
--with-libatomic-ops for forced selection.
* Makefile.am: Adjust the path of source files from libatomic_ops
to not use the links.
* Makefile.am (libgc_la_LIBADD): Add $(ATOMIC_OPS_LIBS). This will
be empty if we use the bundled AO sources.
* configure: Regenerate.
* Makefile.in: Ditto.
* alloc.c (GC_version): Add "const" keyword.
* alloc.c (GC_get_version): New public function.
* include/gc.h (GC_get_version): New function declaration; update
the comment for the GC version.
* win32_threads.c (GC_get_stack_min, GC_push_stack_for,
GC_get_next_stack): Recognize _WIN32_WCE_EMULATION macro (used for
WinCE emulation and for custom WinCE 6 devices); add the comment.
* win32_threads.c (GC_get_stack_min): Cast pointer to word instead
of DWORD.
* win32_threads.c (GC_get_next_stack): Don't use and maintain the
latest known stack_min value for WinCE (if GC_get_stack_min is
defined as a macro); update the comments.
* win32_threads.c (GC_wnt): Don't declare for WinCE.
* Makefile.direct: Document EMPTY_GETENV_RESULTS.
* gcj_mlc.c (GC_clear_stack): Remove declaration.
* malloc.c (GC_clear_stack): Ditto.
* mallocx.c (GC_clear_stack): Ditto.
* typd_mlc.c (GC_clear_stack): Ditto.
* gcj_mlc.c (GENERAL_MALLOC, GENERAL_MALLOC_IOP): Rename to
GENERAL_MALLOC_INNER and GENERAL_MALLOC_INNER_IOP, respectively;
remove "lb" unnecessary cast to word.
* include/private/gc_priv.h (GC_clear_stack): Add declaration.
* include/private/gc_priv.h (GENERAL_MALLOC, GENERAL_MALLOC_IOP):
Move common declaration from typd_mlc.c and malloc.c; remove
unnecessary result and "lb" parameter casts.
* include/private/thread_local_alloc.h: Guard against duplicate
header file inclusion.
* os_dep.c (USE_MUNMAP): Replace "-->" with an error directive for
the case when USE_MMAP is not defined.
* pthread_support.c (GC_is_thread_tsd_valid): New internal
function (only if GC_ASSERTIONS and THREAD_LOCAL_ALLOC); move the
code from thread-local GC_malloc(); add FIXME for the condition.
* win32_threads.c (GC_is_thread_tsd_valid): Ditto.
* thread_local_alloc.c (GC_gcjobjfreelist): Change the type (to
match that of its definition).
* thread_local_alloc.c (GC_destroy_thread_local): Add a cast for
GC_gcjobjfreelist.
* thread_local_alloc.c (GC_lookup_thread, GC_lookup_thread_inner):
Remove unused declaration; don't include pthread.h.
* thread_local_alloc.c (GC_is_thread_tsd_valid): New declaration
(only if GC_ASSERTIONS).
* thread_local_alloc.c (GC_malloc): Use GC_is_thread_tsd_valid()
instead of GC_lookup_thread().
* win32_threads.c (GC_lookup_thread_inner): Define as STATIC.
* win32_threads.c (UNPROTECT): Rename to UNPROTECT_THREAD (to have
id different from that in os_dep.c).
2009-09-26 Ivan Maidanski <ivmai@mail.ru> (really Petter Urkedal)
* Makefile.am: Don't add libtool.m4 to EXTRA_DIST.
* acinclude.m4: Place GC_SET_VERSION in [].
* README.QUICK: Update information for Makefile.
* Makefile.am: Replace dist_pkgconfig_DATA with pkgconfig_DATA for
bdw-gc.pc.
* configure.ac: Enable tracetest.
* tests/tests.am: Ditto.
* dyn_load.c (GC_wnt): Update the comment.
* dyn_load.c (GC_register_dynamic_libraries): Add the comment for
_WIN32_WCE_EMULATION; recognize GC_REGISTER_MEM_PRIVATE (new
macro); call GC_is_heap_base() only if check for Type succeeded.
* checksums.c (GC_checksum, GC_update_check_page): Remove
"register" keyword in local variable declarations (for the code
used only for debugging or which is not time-critical).
* dbg_mlc.c (GC_has_other_debug_info, GC_store_debug_info,
GC_store_debug_info_inner, GC_check_annotated_obj, GC_print_obj,
GC_print_smashed_obj, GC_debug_end_stubborn_change,
GC_debug_invoke_finalizer): Ditto.
* dyn_load.c (GC_register_dynamic_libraries): Ditto.
* mallocx.c (GC_realloc): Ditto.
* mark_rts.c (GC_print_static_roots, GC_is_static_root,
GC_clear_roots): Ditto.
* misc.c (GC_write): Ditto.
* os_dep.c (GC_print_callers): Ditto.
* dyn_load.c (GC_register_dynamic_libraries): Rename "i" local
variable to "j" for the nested loop (just not to hide the similar
variable in the outer one).
* mark_rts.c (GC_print_static_roots): Output an error message
using GC_err_printf() (instead of GC_printf()).
2009-09-25 Ivan Maidanski <ivmai@mail.ru> (really Petter Urkedal)
* configure.ac: Move include flag from ${INCLUDE} ...
* Makefile.am: ... to AM_CPPFLAGS and also add the build directory.
* configure.ac: Call AM_CONFIG_HEADER([include/private/config.h]).
* configure.ac: Add documentation to all AC_DEFINE either directly
or using AH_TEMPLATE.
2009-09-24 Ivan Maidanski <ivmai@mail.ru>
(ivmai145.diff)
* Makefile.direct (GC_WINMAIN_REDIRECT): Add the comment for.
* Makefile.direct (NO_GETENV): Update the comment.
* include/gc.h (GC_WINMAIN_WINCE_LPTSTR): Remove macro.
* include/gc.h (GC_WinMain): Remove declaration.
* include/gc.h (WinMain): Define (as GC_WinMain) if and only if
GC_WINMAIN_REDIRECT.
* tests/test.c (GC_COND_INIT): Define as GC_INIT() also in case of
WinCE target unless GC_WINMAIN_REDIRECT is defined.
* tests/test.c (WINMAIN_LPTSTR): New macro.
* tests/test.c (WinMain): Use WINMAIN_LPTSTR instead of LP[W]STR
and GC_WINMAIN_WINCE_LPTSTR.
* win32_threads.c (start_mark_threads): Add the comment for
MARK_THREAD_STACK_SIZE.
* win32_threads.c: Recognize new GC_WINMAIN_REDIRECT macro.
* win32_threads.c (WINMAIN_LPTSTR, WINMAIN_THREAD_STACK_SIZE): New
macro (only if GC_WINMAIN_REDIRECT).
* win32_threads.c: Undefine WinMain macro if GC_WINMAIN_REDIRECT.
* win32_threads.c (GC_WinMain): Add prototype (only if
GC_WINMAIN_REDIRECT).
* win32_threads.c (main_thread_args, WinMain): Rename
GC_WINMAIN_WINCE_LPTSTR to WINMAIN_LPTSTR.
* win32_threads.c (WinMain): Call GC_INIT() instead of GC_init();
use WINMAIN_THREAD_STACK_SIZE.
* win32_threads.c (WinMain): Call GC_deinit() and
DeleteCriticalSection() only if WinCE; add FIXME.
2009-09-23 Ivan Maidanski <ivmai@mail.ru>
(ivmai150.diff)
* Makefile.direct (MUNMAP_THRESHOLD, GC_FORCE_UNMAP_ON_GCOLLECT):
Add the comment for.
* alloc.c (GC_unmap_threshold, GC_force_unmap_on_gcollect):
Declare external variable (only if USE_MUNMAP).
* alloc.c (GC_try_to_collect): Temporarily set GC_unmap_threshold
value to 1 if GC_force_unmap_on_gcollect and restore it before
unlocking (only if USE_MUNMAP).
* doc/README.environment (GC_FORCE_UNMAP_ON_GCOLLECT): Add
information for.
* include/gc.h (GC_set_force_unmap_on_gcollect,
GC_get_force_unmap_on_gcollect): New public function prototype.
* include/gc.h (GC_FORCE_UNMAP_ON_GCOLLECT): New macro is
recognized.
* misc.c (GC_FORCE_UNMAP_ON_GCOLLECT): Ditto.
* include/gc.h (GC_INIT_CONF_FORCE_UNMAP_ON_GCOLLECT): New
internal macro (used by GC_INIT only).
* misc.c (GC_force_unmap_on_gcollect): New global variable.
* misc.c (GC_init): Recognize new "GC_FORCE_UNMAP_ON_GCOLLECT"
environment variable (and set GC_force_unmap_on_gcollect).
* misc.c (GC_set_force_unmap_on_gcollect,
GC_get_force_unmap_on_gcollect): New public function.
* tests/test.c (window_proc): Call GC_set_force_unmap_on_gcollect
to force the mode on if WM_HIBERNATE; restore the mode after
GC_gcollect().
* configure.ac: Replace GC_WIN32_THREADS with GC_THREADS.
* configure.ac: Process enable_parallel_mark option for Cygwin and
Win32; define THREAD_LOCAL_ALLOC for Win32.
2009-09-19 Ivan Maidanski <ivmai@mail.ru>
(ivmai149.diff)
* dbg_mlc.c (GC_generate_random_backtrace): Call
GC_try_to_collect(GC_never_stop_func) instead of GC_gcollect();
if GC is disabled then print error message and return.
* include/gc.h (GC_try_to_collect): Refine the comment.
* include/private/gc_priv.h (GC_never_stop_func): Fix return type;
refine the comment.
2009-09-19 Ivan Maidanski <ivmai@mail.ru>
(ivmai130a.diff, ivmai130b.diff - superseding diff44, diff69)
* include/gc.h (GC_do_blocking, GC_call_with_gc_active): New
function prototype.
* include/private/gc_priv.h (STOP_WORLD): Replace a no-op (for the
single-threaded case) with an assertion check for the state to be
not a "do-blocking" one.
* include/private/gc_priv.h (blocking_data): Move the structure
definition from pthread_support.c; change "fn" return type to void
pointer.
* include/private/gc_priv.h (GC_activation_frame_s): New structure
type.
* include/private/gc_priv.h (GC_push_all_stack_frames): New
function declaration (only if THREADS).
* include/private/gc_priv.h (GC_world_stopped): Don't declare
unless THREADS.
* include/private/gc_priv.h (GC_blocked_sp,
GC_activation_frame_s): New declaration (only if not THREADS).
* include/private/gc_priv.h (GC_push_all_register_frames): New
function declaration (only for IA-64).
* include/private/gc_priv.h (NURSERY, GC_push_proc): Remove
obsolete (unused) symbols.
* include/private/gc_priv.h (GC_push_all_stack_partially_eager):
Remove declaration (since it is static now).
* mark_rts.c (GC_push_all_stack_partially_eager): Move from mark.c
(for code locality) and make STATIC.
* mark_rts.c (GC_push_all_register_frames): New function (only for
IA-64).
* mark_rts.c (GC_push_all_stack_frames): New function (only if
THREADS).
* mark_rts.c (GC_add_trace_entry): New function prototype (used by
GC_push_all_stack_partially_eager(), only if TRACE_BUF).
* mark_rts.c (GC_push_all_stack_part_eager_frames): New function.
* mar_rts.c (GC_save_regs_ret_val): Move the declaration out of a
function body (only for IA-64).
* mark_rts.c (GC_push_current_stack): Call
GC_push_all_stack_part_eager_frames() instead of
GC_push_all_stack_partially_eager().
* mark_rts.c (GC_push_current_stack): Call
GC_push_all_register_frames() instead of GC_push_all_eager() for
IA-64 backing store.
* misc.c (GC_do_blocking_inner): Declare function (if THREADS
only).
* misc.c (GC_blocked_sp, GC_blocked_register_sp,
GC_activation_frame): New global variables (only if not THREADS).
* misc.c (GC_call_with_gc_active, GC_do_blocking_inner): New API
function (only if not THREADS).
* misc.c (GC_do_blocking): Move the function from
pthread_support.c.
* include/private/pthread_support.h (GC_Thread_Rep): Add
"activation_frame" field.
* pthread_stop_world.c (GC_push_all_stacks): Call
GC_push_all_stack_frames() and GC_push_all_register_frames instead
of GC_push_all_stack() and/or GC_push_all_eager(); don't check for
STACK_GROWS_UP here.
* pthread_support.c (GC_do_blocking_inner): Remove "static"; store
"fn" result back to "client_data" field.
* pthread_support.c (GC_call_with_gc_active): New API function.
* win32_threads.c (GC_call_with_gc_active): Ditto.
* win32_threads.c (GC_Thread_Rep): Add "thread_blocked_sp" and
"activation_frame" fields.
* win32_threads.c (GC_new_thread): Add assertion checking for
thread_blocked_sp is NULL.
* win32_threads.c (GC_do_blocking_inner): New function.
* win32_threads.c (GC_stop_world): Don't suspend a thread if its
thread_blocked_sp is non-NULL.
* win32_threads.c (GC_push_stack_for): Use thread
"activation_frame" (if non-NULL); use "thread_blocked_sp" if
non-NULL (instead of calling GetThreadContext()); "UNPROTECT" the
thread before modifying its last_stack_min; call
GC_push_all_stack_frames() instead of GC_push_all_stack(); update
the comments.
2009-09-19 Ivan Maidanski <ivmai@mail.ru>
(ivmai129.diff - superseding diff47)
* alloc.c (GC_default_stop_func): New static variable (initialized
to GC_never_stop_func).
* alloc.c (GC_set_stop_func, GC_get_stop_func): New function.
* alloc.c (GC_timeout_stop_func): Define as GC_default_stop_func
(instead of GC_never_stop_func) if SMALL_CONFIG (or NO_CLOCK),
else call GC_default_stop_func() before getting "current_time".
* alloc.c (GC_maybe_gc): Expand GC_gcollect_inner() macro (for
FIXME comment).
* alloc.c (GC_maybe_gc, GC_collect_a_little_inner): add FIXME for
replacing GC_never_stop_func with GC_default_stop_func (if
possible).
* alloc.c (GC_gcollect): Use GC_default_stop_func.
* alloc.c (GC_collect_or_expand): Use GC_default_stop_func
(instead of GC_never_stop_func) unless it is trigged due to out of
memory; don't increment GC_fail_count and don't output warning
(before trying to collect again) in case the collection has been
interrupted (by GC_default_stop_func) and the heap expansion has
failed too.
* include/gc.h (GC_set_stop_func, GC_get_stop_func): New function
prototypes.
2009-09-18 Ivan Maidanski <ivmai@mail.ru>
(ivmai142.diff)
* include/private/gcconfig.h (GWW_VDB): Undefine if
USE_GLOBAL_ALLOC (since incompatible).
* os_dep.c (GetWriteWatch_alloc_flag): Define as 0 unless GWW_VDB
is defined.
* os_dep.c (GC_unmap_threshold): Declare (for use in
GC_init_win32) if USE_MUNMAP.
* os_dep.c (GC_init_win32): Turn off memory unmapping if
GlobalAlloc() is used.
* os_dep.c (GC_win32_get_mem): Define and use new
VIRTUAL_ALLOC_PAD macro; don't waste a extra memory page unless
MPROTECT_VDB is in use.
2009-09-17 Ivan Maidanski <ivmai@mail.ru>
(ivmai139.diff)
* allchblk.c (GC_allochblk_nth): Use GC_PRIdPTR in WARN() format
string.
* pthread_support.c (start_mark_threads, GC_thr_init): Ditto.
* win32_threads.c (GC_delete_thread): Ditto.
* include/private/gc_priv.h (GC_PRIdPTR): New macro.
* pthread_stop_world.c (GC_suspend_handler_inner): Remove
unnecessary cast for WARN argument.
* pthread_support.c (start_mark_threads): if pthread_create()
failed then don't try to create other marker threads and (after
printing a warning) adjust GC_markers and GC_parallel values; log
GC_markers value (possibly adjusted) after that.
2009-09-16 Ivan Maidanski <ivmai@mail.ru>
(ivmai140.diff)
* win32_threads.c (start_mark_threads): if pthread_create() is
failed then don't try to create other marker threads and (after
printing a warning) adjust GC_markers and GC_parallel values.
* win32_threads.c (mark_mutex_event, builder_cv, mark_cv): Move
the definition upper (to be visible in start_mark_threads()).
* win32_threads.c (start_mark_threads): if CreateThread() or
_beginthreadex() is failed then don't try to create other marker
threads and (after printing a warning) adjust GC_markers,
GC_parallel values, and destroy the event objects (either only
some for the uncreated threads if DONT_USE_SIGNALANDWAIT or all if
not a single thread is created).
* win32_threads.c (GC_thr_init): Log GC_markers value (possibly
adjusted) after start_mark_threads() call.
2009-09-16 Ivan Maidanski <ivmai@mail.ru>
(ivmai128.diff - superseding diff62, diff66 partly)
* finalize.c (GC_general_register_disappearing_link): Return
GC_SUCCESS, GC_DUPLICATE, GC_NO_MEMORY (instead of 0, 1 and 2,
respectively).
* include/gc.h (GC_NO_MEMORY): New macro (defined as 2).
* include/gc.h (GC_register_disappearing_link,
GC_general_register_disappearing_link): Update the comment.
* typd_mlc.c (GC_calloc_explicitly_typed): Use GC_NO_MEMORY macro.
* finalize.c (GC_general_register_disappearing_link,
GC_register_finalizer_inner): Recalculate the hash table index
after GC_oom_fn succeeded (since the table may grow while not
holding the lock) and check again that the entry is still not in
the table (free the unused entry otherwise unless DBG_HDRS_ALL).
* finalize.c (GC_register_finalizer_inner): Initialize "hhdr"
local variable (to prevent a compiler warning).
* finalize.c (GC_register_finalizer_inner): Don't modify the data
pointed by "ocd" and "ofn" in GC_register_finalizer_inner() failed
(due to out of memory).
2009-09-16 Ivan Maidanski <ivmai@mail.ru>
(ivmai138.diff)
* Makefile.direct (DONT_USE_SIGNALANDWAIT): Add the comment for.
* win32_threads.c (DONT_USE_SIGNALANDWAIT): Always define for
WinCE.
* win32_threads.c (THREAD_HANDLE): Cast Id (of DWORD type) to
HANDLE thru word type (to avoid a compiler warning) for WinCE.
* win32_threads.c (GC_marker_cv, GC_marker_Id): New static array
(only if DONT_USE_SIGNALANDWAIT).
* win32_threads.c (start_mark_threads): Initialize GC_marker_Id
and GC_marker_cv for each helper thread (only if
DONT_USE_SIGNALANDWAIT).
* win32_threads.c (GC_mark_mutex_state): New static variable (only
if DONT_USE_SIGNALANDWAIT).
* win32_threads.c (GC_mark_mutex_waitcnt,
signalObjectAndWait_func): Don't define if DONT_USE_SIGNALANDWAIT.
* win32_threads.c (GC_acquire_mark_lock, GC_release_mark_lock):
Use InterlockedExchange() over GC_mark_mutex_state (instead of
AO_fetch_and_add()) if DONT_USE_SIGNALANDWAIT.
* win32_threads.c (GC_wait_marker, GC_notify_all_marker):
Implement wait/broadcast primitives using Win32 multiple events
(one for each marker thread) if DONT_USE_SIGNALANDWAIT (instead of
using Win32 SignalObjectAndWait).
* win32_threads.c (GC_thr_init): Don't declare hK32 local
variable, don't check for GC_wnt, and don't initialize
signalObjectAndWait_func if DONT_USE_SIGNALANDWAIT.
2009-09-16 Ivan Maidanski <ivmai@mail.ru>
(ivmai127.diff - superseding diff49)
* alloc.c (GC_finish_collection): Call GC_print_finalization_stats
if GC_print_stats (after getting "done_time").
* finalize.c (GC_old_dl_entries): New static variable (only if not
SMALL_CONFIG).
* finalize.c (GC_finalize): Save current GC_dl_entries value (only
if not SMALL_CONFIG).
* finalize.c (GC_print_finalization_stats): Define if and only if
not SMALL_CONFIG; use GC_old_dl_entries value; use GC_log_printf()
instead of GC_printf(); use "%lu" (instead of "%u") print format
specifier; use unsigned long type for "ready" counter (for LP64
targets).
* misc.c (GC_dump): No longer call GC_print_finalization_stats()
here (since it is called from GC_finish_collection()).
* misc.c (STACKBASE): Remove unused macro undef (for NOSYS and
ECOS).
2009-09-16 Ivan Maidanski <ivmai@mail.ru>
(ivmai126.diff)
* gcj_mlc.c (GC_gcj_fake_mark_proc): New static function.
* gcj_mlc.c (GC_init_gcj_malloc): If mp is 0 then supply
GC_gcj_fake_mark_proc (aborting with the appropriate message)
instead.
2009-09-16 Ivan Maidanski <ivmai@mail.ru>
(ivmai125.diff)
* os_dep.c (GC_wince_get_mem): If VirtualAlloc() returns NULL (due
to out of memory) then don't increment GC_n_heap_bases and don't
call VirtualAlloc() again (with MEM_COMMIT).
* os_dep.c (GC_remap): Abort with a more informatory message if
VirtualAlloc() fails due to out of memory; update FIXME.
2009-09-16 Ivan Maidanski <ivmai@mail.ru>
(ivmai131.diff - superseding diff83, diff84 partly)
* doc/README.solaris2: Replace GC_SOLARIS_THREADS with GC_THREADS.
* doc/README.win32: Replace GC_WIN32_THREADS with GC_THREADS.
* doc/README.win64: Add info about mingw-w64; add note for VC++
warnings suppression.
2009-09-14 Ivan Maidanski <ivmai@mail.ru>
(ivmai136v2.diff)
* Makefile.direct: Copy missing information for -DSHORT_DBG_HDRS
from Makefile.
* Makefile: Remove the information about "define arguments" (which
is incomplete and outdated compared to that in Makefile.direct);
add help reference to Makefile.direct.
* Makefile.dj: Ditto.
2009-09-14 Ivan Maidanski <ivmai@mail.ru>
(ivmai133.diff)
* misc.c (GC_get_heap_size_inner, GC_get_free_bytes_inner): New
API function.
* include/gc_pmark.h (GC_get_heap_size_inner,
GC_get_free_bytes_inner): New function declaration.
2009-09-10 Ivan Maidanski <ivmai@mail.ru>
(ivmai121.diff)
* include/gc.h: Recognize __CEGCC__ (as a synonym for _WIN32_WCE).
* include/gc_config_macros.h: Ditto.
* include/gc.h (GC_MAXIMUM_HEAP_SIZE): Recognize new macro.
* include/gc.h (GC_INIT_CONF_MAXIMUM_HEAP_SIZE): New macro (for
internal use).
* include/gc_config_macros.h: Always include stddef.h if GCC.
* include/gc_config_macros.h (GC_API): Define for CeGCC in the
same way as for MinGW.
* include/gc_config_macros.h (GC_API): Group the definition for
all cases together (check for GC_DLL only once).
* include/gc_pthread_redirects.h: Group non-Darwin code together.
* tests/test.c: Recognize GC_PRINT_VERBOSE_STATS (only if GC_DLL).
2009-09-10 Ivan Maidanski <ivmai@mail.ru>
(ivmai120a.diff, ivmai120b.diff)
* Makefile.direct (GC_PTHREADS_PARAMARK, GC_IGNORE_GCJ_INFO,
GC_PRINT_VERBOSE_STATS, GC_DONT_EXPAND, GC_INITIAL_HEAP_SIZE,
GC_FREE_SPACE_DIVISOR, GC_TIME_LIMIT, GC_FULL_FREQ): Add the
comment for.
* misc.c (GC_init_inner): Recognize GC_PRINT_VERBOSE_STATS (new
macro).
* dyn_load.c (GC_wnt): Change definition to TRUE for WinCE; add
FIXME and the comment for WinCE.
* gcj_mlc.c (GC_init_gcj_malloc): Recognize GC_IGNORE_GCJ_INFO
(new macro).
* include/gc.h (GC_HAVE_BUILTIN_BACKTRACE): Don't define for VC++
WinCE (since backtrace() is unimplemented).
* include/private/gc_priv.h (GC_n_heap_bases): Remove declaration
(since static).
* os_dep.c (GC_n_heap_bases): Define as STATIC; move the
definition to be above GC_is_heap_base().
* include/private/gcconfig.h: Don't define NOSYS for WinCE on ARM
(both for MinGW and CeGCC toolchains).
* include/private/gcconfig.h: Recognize __CEGCC__ and
__MINGW32CE__ (as synonyms for __WIN32_WCE).
* include/private/gcconfig.h: If SH4 then don't set config
parameters for SH.
* include/private/thread_local_alloc.h (GC_key_create): Don't
abort on failures, just return -1 in these cases (this also
prevents compilation error for targets where ABORT is defined
indirectly as an inline assembler sequence).
* mark.c (WRAP_MARK_SOME): Also define for WinCE; add FIXME for
the GCC-based cross-compiler.
* mark.c (ext_ex_regn, mark_ex_handler): Don't define unless
WRAP_MARK_SOME is defined; define also for WinCE case; don't
check for _WIN64 (since WRAP_MARK_SOME is undefined for it).
* mark.c (GC_mark_some): Use __try/__except also for WinCE; update
the comment.
* misc.c: Include signal.h after gc_pmark.h included; check for
MSWINCE instead of _WIN32_WCE.
* misc.c (GC_init_inner): Remove duplicate GC_setpagesize() call.
* misc.c: Don't include <crtdbg.h> for WinCE targets.
* misc.c (GC_write): Define _MAX_PATH if undefined (workaround for
CeGCC toolchain).
* misc.c (GC_write): Use OutputDebugStringW() instead of
_CrtDbgReport() for WinCE targets.
* os_dep.c (GC_least_described_address): Define as STATIC.
* os_dep.c (GC_register_data_segments): Fix code indentation.
* os_dep.c (GC_wince_get_mem): Initialize "result" local variable
(to prevent a compiler warning).
* os_dep.c (GC_dirty_init): Add comment for WinCE target.
* tests/test.c: Don't include winbase.h directly if GCC for WinCE,
include assert.h instead.
* tests/test.c (tiny_reverse_test): Define and use
TINY_REVERSE_UPPER_VALUE macro (4 if VERY_SMALL_CONFIG else 10);
useful for WinCE.
* win32_threads.c (GC_Thread_Rep): Don't declare "handle" field
for WinCE (since thread Id is used as a "real" thread handle).
* win32_threads.c (THREAD_HANDLE): New macro.
* win32_threads.c (GC_register_my_thread_inner): Don't recognize
DONT_IMPORT_GETCURTHREAD anymore; don't record thread handle on
WinCE.
* Makefile.direct (DONT_IMPORT_GETCURTHREAD): Remove comment for.
* win32_threads.c (UNPROTECT, GC_fault_handler_lock): Don't check
for MSWINCE.
* win32_threads.c (GC_delete_gc_thread, GC_delete_thread): Don't
close thread handle on WinCE (since it's a thread Id).
* win32_threads.c (GC_suspend): Don't check for MSWINCE in the
MPROTECT-related code (for the case if MPROTECT_VDB would be
implemented for WinCE).
* win32_threads.c (GC_suspend, GC_start_world, GC_push_stack_for):
Use THREAD_HANDLE(t) to obtain thread handle.
* win32_threads.c (GC_PTHREADS_PARAMARK): New macro recognized;
implicitly define GC_PTHREADS_PARAMARK if GC_PTHREADS; include
pthread.h; define NUMERIC_THREAD_ID(id) if undefined yet; replace
GC_PTHREADS with GC_PTHREADS_PARAMARK where appropriate (for the
parallel mark support).
* win32_threads.c (start_mark_threads): Use int type for "i" local
variable (instead of "unsigned") to prevent a compiler warning.
* win32_threads.c (start_mark_threads): Don't check CreateThread()
result for -1; call CloseHandle() for the handle created by
CreateThread() (on WinCE); don't use errno (since errno.h is
missing on some targets like WinCE) when printing warning on a
marker thread creation failure.
* win32_threads.c (signalObjectAndWait_func): Define for WinCE.
* win32_threads.c (GC_wait_marker): Remove unnecessary assertion
for non-zero signalObjectAndWait_func (to make the code compilable
for WinCE).
* win32_threads.c (GC_thr_init): Allow PARALLEL_MARK for WinCE;
use GC_sysinfo to get processors count if WinCE; don't check for
SignalObjectAndWait() if WinCE; replace GC_PTHREADS with
GC_PTHREADS_PARAMARK.
* win32_threads.c (GC_thr_init): Recognize GC_MIN_MARKERS new
macro (useful for testing parallel marking on WinCE).
* win32_threads.c (GC_win32_start, main_thread_start): Define as
STATIC.
* win32_threads.c: Don't define main_thread_args,
main_thread_start(), WinMain() for WinCE if GC_DLL.
* win32_threads.c (WINCE_MAIN_STACK_SIZE): Remove useless macro
(since the stack size parameter is ignored on WinCE).
* win32_threads.c (main_thread_start): Remove forward declaration;
place its definition before WinMain() one.
* win32_threads.c (WinMain): Abort if GC_CreateThread() or
WaitForSingleObject() failed (for the main thread).
2009-09-10 Ivan Maidanski <ivmai@mail.ru>
(diff118_cvs - superseding diff53)
* allchblk.c (MUNMAP_THRESHOLD): Move macro definition out of
a function.
* allchblk.c (GC_unmap_threshold): New global variable definition
(initialized to MUNMAP_THRESHOLD).
* allchblk.c (GC_unmap_old): Use GC_unmap_threshold instead of
MUNMAP_THRESHOLD; skip unmapping if GC_unmap_threshold is 0.
* doc/README.environment (GC_UNMAP_THRESHOLD): Add information.
* misc.c (GC_unmap_threshold): New variable declaration.
* misc.c (GC_init_inner): Recognize "GC_UNMAP_THRESHOLD"
environment variable to set GC_unmap_threshold value (only if
USE_MUNMAP).
2009-09-10 Ivan Maidanski <ivmai@mail.ru>
(diff117)
* dbg_mlc.c (OFN_UNSET): New macro (to detect
GC_register_finalizer() failures).
* dbg_mlc.c (store_old): Add a check for register_finalizer()
failure caused by an out-of-memory event (leave *ofn and *ocd
unmodified in that case).
* dbg_mlc.c (GC_debug_register_finalizer,
GC_debug_register_finalizer_no_order,
GC_debug_register_finalizer_unreachable,
GC_debug_register_finalizer_ignore_self): Initialize my_old_fn
to OFN_UNSET; clear *ocd and *ofn for non-heap objects (the same
as in GC_register_finalizer_inner()).
2009-09-10 Ivan Maidanski <ivmai@mail.ru>
(diff114a, diff114b, diff114c)
* dbg_mlc.c: Guard include <errno.h> with ifndef MSWINCE; include
"private/dbg_mlc.h" before it.
* malloc.c: Ditto.
* dbg_mlc.c (GC_debug_strdup): Use memcpy() instead of strcpy()
for WinCE (since deprecated); evaluate strlen() only once; don't
set errno for WinCE.
* malloc.c (GC_strdup): Ditto.
* dyn_load.c (GC_wnt): Define as macro (FALSE) for WinCE.
* include/gc.h (GC_unregister_my_thread): Refine the comment.
* include/gc.h (GC_uintptr_t, GC_beginthreadex, GC_endthreadex):
Don't declare for WinCE.
* include/gc.h (GC_WINMAIN_WINCE_LPTSTR): New macro (WinCE only).
* include/gc.h (GC_WinMain): Remove GC_API.
* include/gc.h (GC_WinMain): Use GC_WINMAIN_WINCE_LPTSTR for
lpCmdLine.
* tests/test.c (GC_WinMain): Ditto.
* win32_threads.c (main_thread_args, GC_WinMain): Ditto.
* include/gc_config_macros.h (ptrdiff_t): Guard with
ifndef _PTRDIFF_T_DEFINED; define _PTRDIFF_T_DEFINED macro.
* include/private/gc_locks.h: Guard include "atomic_ops.h" with
ifdef GC_PTHREADS (and not GC_WIN32_THREADS).
* mark.c: Include "atomic_ops.h" if PARALLEL_MARK.
* thread_local_alloc.c: Include "atomic_ops.h" if GC_GCJ_SUPPORT.
* win32_threads.c: Include "atomic_ops.h" if MPROTECT_VDB.
* include/private/gc_locks.h: Use include "atomic_ops.h" instead
of include <atomic_ops.h>.
* include/private/gc_priv.h: Ditto.
* include/private/gc_locks.h (GC_allocate_ml, GC_need_to_lock):
Don't export (replace GC_API to "extern").
* win32_threads.c (GC_allocate_ml): Don't export.
* include/private/gc_priv.h (DebugBreak): Define as macro for
WinCE (if not UNDER_CE and DebugBreak is not defined yet).
* include/private/gc_priv.h (UNALIGNED): Rename to UNALIGNED_PTRS
(since "UNALIGNED" is defined in winnt.h of WinCE).
* mark.c (UNALIGNED): Ditto.
* include/private/gcconfig.h (ARM32): Recognize _M_ARM and _ARM_.
* include/private/gcconfig.h (ALIGNMENT): Check always defined.
* include/private/gcconfig.h: Allow GC_WIN32_THREADS for WinCE.
* include/private/thread_local_alloc.h: Define USE_WIN32_SPECIFIC
for WinCE (since __declspec(thread) is unsupported).
* include/private/thread_local_alloc.h (TLS_OUT_OF_INDEXES):
Define for WinCE (if undefined).
* malloc.c (GC_malloc): Remove outdated comment about disabling
signals.
* misc.c: Don't include <tchar.h> (since not used anymore and may
break TEXT() macro defined in winnt.h).
* misc.c (GC_init_inner): Don't use GetModuleHandle() and
InitializeCriticalSectionAndSpinCount() for WinCE.
* misc.c (GC_init_inner): Replace GetModuleHandleA() with
GetModuleHandle() (and use TEXT() macro controlled by UNICODE).
* misc.c (LOG_FILE): Remove unused macro; don't use _T() macro.
* misc.c (GC_CreateLogFile): New static function (Win32/WinCE
only); move the code from GC_write(); replace GETENV() with
GetEnvironmentVariable(); replace CreateFileA() with
CreateFile(); use TEXT() macro (for Unicode support); replace
strcat() with memcpy() (since deprecated in WinCE).
* misc.c (GC_write): Define as STATIC.
* win32_threads.c (GC_attached_thread): Ditto.
* misc.c (GC_write): Use GC_CreateLogFile().
* misc.c: Define vsnprintf macro as StringCchVPrintfA for WinCE.
* misc.c (GC_abort): Try to invoke MessageBoxA() dynamically
(Win32 only) if DONT_USE_USER32_DLL is defined.
* misc.c (GC_abort): Duplicate msg to GC log file (for Win32 and
WinCE).
* misc.c (GC_abort): Use a more user-friendly abort if
NO_DEBUGGING (Win32 only).
* os_dep.c: Include "atomic_ops.h" only if MPROTECT_VDB (and
THREADS).
* os_dep.c (detect_GetWriteWatch): Use TEXT() for GetModuleHandle
(for Unicode support); check GetModuleHandle() result.
* tests/test.c: Don't define assert for WinCE (since may be
redefined by "assert.h" included from libatomic_ops).
* tests/test.c (FAIL): Define as ABORT for all targets (except
for PCR).
* tests/test.c (n_tests): Don't use AO_t.
* tests/test.c (check_heap_stats): Don't cast n_tests.
* tests/test.c (inc_int_counter): New function (for n_tests atomic
incrementation).
* tests/test.c (run_one_test): Test GC_memalign() for all targets.
* tests/test.c (run_one_test): Avoid unbalanced brackets in
#if-#else-#endif blocks.
* tests/test.c (run_one_test): Replace AO_fetch_and_add1() and
private LOCK/UNLOCK with GC_call_with_alloc_lock(inc_int_counter).
* tests/test.c (check_heap_stats): Replace
"if (sizeof(char *) > 4)" with "#if CPP_WORDSZ == 64" to suppress
"unreachable code" compiler warning.
* tests/test.c (WinMain): Set cmd type to LPWSTR (for WinCE
"UNDER_CE" mode); else use LPSTR type (for Win32 and WinCE).
* tests/test.c (thr_window): Replace "L" string prefix with
TEXT().
* thread_local_alloc.c: Check THREADS is defined (to prevent other
compiler errors and warnings otherwise).
* tests/test.c (WinMain): Recognize GC_NO_DLLMAIN macro (for
GC_use_DllMain()).
* Makefile.direct (GC_NO_DLLMAIN, DONT_IMPORT_GETCURTHREAD): Add
the comments for.
* win32_threads.c (GC_register_my_thread_inner): Recognize
DONT_IMPORT_GETCURTHREAD macro.
* win32_threads.c: Recognize GC_NO_DLLMAIN macro (to exclude
DllMain support if needed).
* win32_threads.c (GC_NO_DLLMAIN): Define implicitly if DllMain
thread registration is unsupported for a given configuration.
* win32_threads.c (GC_use_DllMain): Update the comment; refine
ABORT message.
* win32_threads.c (GC_use_DllMain,
GC_started_thread_while_stopped, GC_register_my_thread_inner,
GC_lookup_thread_inner, GC_delete_gc_thread,
GC_allow_register_threads, GC_lookup_pthread,
GC_push_thread_structures, GC_stop_world, GC_push_all_stacks):
Check for GC_NO_DLLMAIN.
* win32_threads.c (GC_Thread_Rep.tm_in_use, GC_attached_thread,
DllMain): Don't define if GC_NO_DLLMAIN.
* win32_threads.c (GC_stop_world): Declare "i" and "max" local
vars only if not GC_NO_DLLMAIN (to suppress compiler warning).
* win32_threads.c (GC_mark_thread, start_mark_threads): Use
CreateThread() instead of _beginthreadex() for WinCE.
* win32_threads.c (MARK_THREAD_STACK_SIZE, WINCE_MAIN_STACK_SIZE):
New macros defined (used by start_mark_threads(), WinMain()).
* win32_threads.c (GC_thr_init): Exclude parallel-specific code on
WinCE for now (since getenv(), GetProcessAffinityMask() and
SignalObjectAndWait() are missing on WinCE).
* win32_threads.c (GC_thr_init): replace GetModuleHandleA() with
GetModuleHandle(); replace CreateEventA() with CreateEvent(); use
TEXT() macro (for Unicode support).
2009-09-10 Ivan Maidanski <ivmai@mail.ru>
(diff113)
* include/gc.h (GC_has_static_roots_func): New typedef (user filter
callback).
* include/gc.h (GC_register_has_static_roots_callback): Use
GC_has_static_roots_func type.
* dyn_load.c (GC_has_static_roots,
GC_register_has_static_roots_callback): Ditto.
* dyn_load.c (GC_has_static_roots,
GC_register_has_static_roots_callback): Define on all platforms.
* dyn_load.c (GC_register_dynlib_callback,
GC_register_dynamic_libraries, GC_init_dyld): Replace K&R-style
functions definition with the ANSI C one.
* dyn_load.c (GC_register_dynlib_callback): Use new local variable
"callback" (initialized from GC_has_static_roots) to minimize data
races.
* dyn_load.c (GC_register_dynamic_libraries_dl_iterate_phdr,
GC_cond_add_roots): Define as STATIC.
* mark_rts.c (GC_remove_roots_inner): Ditto.
* dyn_load.c (GC_dyld_image_add): Don't call GC_add_roots() for
sections smaller than pointer size (just to avoid acquiring the
lock unnecessarily).
* dyn_load.c (GC_dyld_name_for_hdr): Define unconditionally (not
only for DARWIN_DEBUG).
* dyn_load.c (GC_dyld_image_add): Replace GC_add_roots() call with
LOCK + GC_add_roots_inner() + UNLOCK.
* dyn_load.c (GC_dyld_image_add): Call GC_has_static_roots() user
callback (if set) holding the lock; if it returns 0 then don't call
GC_add_roots_inner() for that region.
* dyn_load.c (GC_register_has_static_roots_callback): Put
"callback" value to GC_has_static_roots on all platforms.
* dyn_load.c (GC_has_static_roots): Update the comments.
* include/gc.h (GC_exclude_static_roots, GC_add_roots,
GC_remove_roots, GC_register_has_static_roots_callback): Ditto.
* include/private/gc_priv.h (struct roots): Ditto.
* include/private/gc_priv.h (GC_remove_roots_inner): Move prototype
to mark_rts.c and declare it as STATIC.
* include/private/gc_priv.h (GC_exclude_static_roots_inner): New
prototype.
* dyn_load.c (GC_register_dynamic_libraries_dl_iterate_phdr): Use
GC_exclude_static_roots_inner() instead of GC_exclude_static_roots.
* misc.c (GC_init_inner): Ditto.
* mark_rts.c (GC_exclude_static_roots_inner): New function (move
all the code from GC_exclude_static_roots(); add the comment.
* mark_rts.c (GC_add_roots_inner, GC_exclude_static_roots_inner):
add alignment assertion for the lower bound; add assertion for the
lower bound to be less than the upper one.
* mark_rts.c (GC_add_roots_inner, GC_exclude_static_roots): Adjust
the upper bound (round down to be of a pointer-aligned value);
return in case of an empty range.
* mark_rts.c (GC_exclude_static_roots): Acquire the lock and call
GC_exclude_static_roots_inner().
* mark_rts.c (GC_remove_roots): Quickly check the bounds and return
in case of a do-nothing case (before acquiring the lock).
2009-09-10 Ivan Maidanski <ivmai@mail.ru>
(diff112)
* finalize.c (GC_fail_count): New external variable declaration.
* finalize.c (GC_reset_finalizer_nested,
GC_check_finalizer_nested): New function declarations (if THREADS
only).
* finalize.c (GC_finalizer_nested, GC_finalizer_skipped): New
static global variables (used internally by GC_finalize() and
GC_check_finalizer_nested()).
* finalize.c (GC_check_finalizer_nested): New static function
definition (only if not THREADS, used internally by
GC_notify_or_invoke_finalizers() to minimize the probability of
a deep recursion when a client finalizer tries to allocate GC
memory).
* finalize.c (GC_finalize): Reset GC_finalizer_nested value (or
call GC_reset_finalizer_nested()) if last heap expansion failed.
* finalize.c (GC_notify_or_invoke_finalizers): Access GC_gc_no,
GC_finalizer_now, GC_finalize_on_demand, GC_finalizer_notifier,
last_finalizer_notification variables holding the lock (to avoid
data races).
* finalize.c (GC_finalizer_notifier): Add comment.
* finalize.c (GC_notify_or_invoke_finalizers): Add "quick" check
for an empty finalization queue (only if THREADS and not
KEEP_BACK_PTRS/MAKE_BACK_GRAPH).
* finalize.c (GC_notify_or_invoke_finalizers): Call
GC_check_finalizer_nested() and skip GC_invoke_finalizers() call
if appropriate.
* include/private/pthread_support.h (GC_Thread_Rep): Add unsigned
finalizer_nested and finalizer_skipped fields (for internal use
by the multi-threaded GC_check_finalizer_nested()).
* win32_threads.c (GC_Thread_Rep): Ditto.
* pthread_support.c (GC_reset_finalizer_nested,
GC_check_finalizer_nested): New function definitions (the
multi-threaded variants of that in finalize.c).
* win32_threads.c (GC_reset_finalizer_nested,
GC_check_finalizer_nested): Ditto.
2009-09-10 Ivan Maidanski <ivmai@mail.ru>
(diff103_cvs)
* alloc.c (GC_stopped_mark): Remove GC_log_printf("") (not needed
anymore and GCC produces a warning for it).
* alloc.c (GC_stopped_mark): Adjust printf argument type
specifier.
* backgraph.c: Include dbg_mlc.h before ifdef MAKE_BACK_GRAPH (for
the case when the configuration information comes from aconfig
file).
* checksums.c: Ditto (for gc_priv.h and CHECKSUMS, respectively).
* include/gc_allocator.h (GC_ATTR_UNUSED): Use "__unused__"
keyword instead of "unused".
* include/gc_allocator.h: Fix typos in comments.
* thread_local_alloc.c: Ditto.
* include/javaxfc.h (GC_finalize_all): Update comment.
* include/private/gc_priv.h (GC_API_PRIV): New macro (defined as
GC_API and serves only as a marker for the private but exported
symbols used by test.c only).
* include/private/gc_priv.h (GC_abort, GC_arrays, GC_is_marked,
GC_printf, GC_err_printf, GC_log_printf): Replace GC_API decl with
GC_API_PRIV one.
* include/private/gc_priv.h (GC_fo_entries): Don't export it
outside a DLL.
* include/private/gc_priv.h (GC_ATTR_FORMAT_PRINTF): New macro
designated to check the arguments correctness of printf-like
functions (currently works only for GCC v3+).
* include/private/gc_priv.h (GC_printf, GC_err_printf,
GC_log_printf): Use GC_ATTR_FORMAT_PRINTF attribute.
hboehm [Wed, 12 Aug 2009 00:42:01 +0000 (00:42 +0000)]
2009-08-11 Hans Boehm <Hans.Boehm@hp.com>
(Replacement for Ivan Maidanski's diff99_cvs. Hopefully fixes
the same bugs, and then some.)
* allchblk.c (GC_merge_unmapped): Don't assume that adjacent
free blocks have different mapping status. Correctly handle gap
between blocks.
(GC_split_block): Remove dead code setting hb_flags. Add comment.
(GC_allochblk): Split blocks also in generational-only mode.
* os_dep.c (GC_unmap_gap): Dont really use munmap.
hboehm [Sun, 9 Aug 2009 01:34:50 +0000 (01:34 +0000)]
2009-08-08 Hans Boehm <Hans.Boehm@hp.com> (Really Ivan Maidanski)
(Mistakenly omitted from last check-in)
* include/private/gc_priv.h (GC_unmapped_bytes): Define as 0 for
not USE_MUNMAP case.
hboehm [Sat, 8 Aug 2009 00:49:29 +0000 (00:49 +0000)]
2009-08-07 Hans Boehm <Hans.Boehm@hp.com> (Really Ivan Maidanski)
diff111 (supersedes diff101_cvs which, in turn, resembles diff52, diff75, diff83 partly)
* Makefile.direct (MARK_BIT_PER_OBJ, PRINT_BLACK_LIST,
USE_PROC_FOR_LIBRARIES): Fix typo in the comments.
* Makefile.direct (USE_MMAP, USE_MUNMAP, THREAD_LOCAL_ALLOC,
PARALLEL_MARK, STATIC): Update the comments.
* include/private/gcconfig.h (GC_PREFER_MPROTECT_VDB): New macro
recognized (only if MPROTECT_VDB).
* Makefile.direct (DONT_USE_USER32_DLL, GC_PREFER_MPROTECT_VDB):
Add the comments for.
* os_dep.c (detect_GetWriteWatch): Recognize "GC_USE_GETWRITEWATCH"
environment variable (only if MPROTECT_VDB, if the variable is
unset when GC_PREFER_MPROTECT_VDB macro controls the strategy).
* doc/README.environment (GC_USE_GETWRITEWATCH): New variable.
* include/private/gcconfig.h (MPROTECT_VDB): Add FIXME for
USE_MUNMAP and PARALLEL_MARK cases (to relax the conditions in
the future).
* misc.c (GC_get_heap_size, GC_get_free_bytes): Ignore the memory
space returned to OS (GC_unmapped_bytes).
* include/gc.h (GC_get_heap_size, GC_get_free_bytes): Update the
comments.
* misc.c (GC_get_unmapped_bytes): New API function.
* include/gc.h (GC_get_unmapped_bytes): New API prototype.
* include/private/gc_priv.h (GC_unmapped_bytes): Define as 0 for
not USE_MUNMAP case.
* os_dep.c (GC_dirty_init): Move "ifdef GWW_VDB" block out of
"ifdef MSWIN32" one (for Cygwin).
hboehm [Sat, 1 Aug 2009 18:01:22 +0000 (18:01 +0000)]
2009-08-01 Hans Boehm <Hans.Boehm@hp.com> (Really Ivan Maidanski)
diff100_cvs (diff51 and diff55, partly)
* pthread_support.c (GC_allow_register_threads): New API function.
* win32_threads.c (GC_allow_register_threads): Ditto.
* include/gc.h (GC_allow_register_threads): New API prototype.
* include/gc.h (GC_register_my_thread, GC_unregister_my_thread):
Update the comments.
* pthread_support.c (GC_register_my_thread): Check the collector
is in the multi-threaded mode.
* win32_threads.c (GC_register_my_thread): Ditto.
hboehm [Sat, 13 Jun 2009 00:00:06 +0000 (00:00 +0000)]
2009-06-12 Hans Boehm <Hans.Boehm@hp.com> (Really mostly Ivan Maidanski)
diff98_cvs(resembling diff3, diff27, diff59, diff61, diff66,
diff73 partly)
* dbg_mlc.c (GC_print_smashed_obj): Convert a group of printf()
calls into a single one (for output atomicity).
* typd_mlc.c (GC_calloc_explicitly_typed): Don't declare and use
GC_finalization_failures variable; check the result of
GC_general_register_disappearing_link() (for lack of memory)
instead.
* finalize.c (GC_finalization_failures): Remove unused global
variable.
* finalize.c (GC_general_register_disappearing_link,
GC_general_register_disappearing_link): Don't update the value of
GC_finalization_failures (since unused).
* include/private/gc_pmark.h (PUSH_ONE_CHECKED_STACK,
GC_PUSH_ONE_STACK, GC_PUSH_ONE_HEAP): The first parameter is of
word type now (as FIXUP_POINTER requires numeric argument).
* finalize.c (GC_ignore_self_finalize_mark_proc): GC_PUSH_ONE_HEAP
requires the first parameter of word type.
* mark.c (PUSH_GRANULE): Ditto.
* mark.c (GC_push_one, GC_push_all_eager): Ditto (for
GC_PUSH_ONE_STACK).
* finalize.c (GC_finalize_all): Call GC_invoke_finalizers() or
GC_finalizer_notifier directly, instead
of GC_INVOKE_FINALIZERS() to prevent infinite looping.
* include/javaxfc.h: Clarify GC_finalize_all comment.
* gcj_mlc.c: Include gc_pmark.h before "ifdef GC_GCJ_SUPPORT" (not
after) for configuration information.
* gcj_mlc.c (GC_gcj_malloc_ignore_off_page): Add comment.
* gcj_mlc.c (GC_gcj_malloc_ignore_off_page): Check "op" local
variable for NULL before dereferencing it, return GC_oom_fn() in
this case.
* typd_mlc.c (GC_malloc_explicitly_typed,
GC_malloc_explicitly_typed_ignore_off_page): Transform the code to
suppress compiler warning (for uninitialized "lg" variable).
hboehm [Fri, 12 Jun 2009 22:47:18 +0000 (22:47 +0000)]
2009-06-12 Hans Boehm <Hans.Boehm@hp.com> (Really Ivan Maidanski)
diff97 (resembling diff43, diff51, diff67, diff76, diff83 partly)
* pthread_support.c (GC_inner_start_routine): Don't release the
GC lock between GC_register_my_thread_inner() and
GC_init_thread_local() calls (post the "registered" even after
calling GC_init_thread_local()).
* win32_threads.c (GC_register_my_thread, GC_unregister_my_thread):
Use GC_lookup_thread_inner() instead of GC_lookup_thread() and
acquire the GC lock only once.
* win32_threads.c (GC_thr_init): Call GC_register_my_thread_inner()
directly instead of GC_register_my_thread() since I_HOLD_LOCK
and our (main) thread is not registered yet (add assertion for it).
* win32_threads.c (GC_init_parallel): Call GC_lookup_thread_inner()
directly instead of GC_lookup_thread() (since I_HOLD_LOCK).
* win32_threads.c (GC_lookup_thread): Remove unused function.
* win32_threads.c: Remove "#error GC_DLL untested with Cygwin".
* win32_threads.c (GC_win32_dll_threads): Define as FALSE macro
also if THREAD_LOCAL_ALLOC or GC_PTHREADS.
* win32_threads.c (GC_use_DllMain): Call ABORT also if GC_PTHREADS
(for Cygwin).
* win32_threads.c (GC_push_stack_for): Add parentheses around "&&"
(inside GC_ASSERT) to prevent compiler warning.
* win32_threads.c (GC_push_all_stacks): Remove FIXME for
PARALLEL_MARK.
* win32_threads.c (MAX_MARKERS, GC_markers): Move the definitions
to a place before GC_get_next_stack().
* win32_threads.c (marker_sp, marker_bsp): New static arrays (same
as in pthread_support.c).
* win32_threads.c (marker_last_stack_min): New static arrays (the
same semantics as for last_stack_min of GC_Thread_Rep).
* win32_threads.c (GC_get_next_stack): Handle marker threads.
* win32_threads.c (GC_mark_thread): Save the current stack pointer
to marker_[b]sp.
* win32_threads.c (start_mark_threads): Initialize
marker_last_stack_min elements (to "unset" value).
hboehm [Fri, 12 Jun 2009 22:06:47 +0000 (22:06 +0000)]
2009-06-12 Hans Boehm <Hans.Boehm@hp.com> (Really Ivan Maidanski)
(diff96_cvs, partly from diff45 and diff75)
* misc.c (GC_set_oom_fn, GC_set_all_interior_pointers,
GC_set_finalize_on_demand, GC_set_java_finalization,
GC_set_finalizer_notifier, GC_set_dont_expand, GC_set_full_freq,
GC_set_no_dls, GC_set_free_space_divisor, GC_set_max_retries,
GC_set_dont_precollect, GC_set_time_limit, GC_set_warn_proc):
Change return type to void (these API functions no longer return
the old value).
* include/gc.h: Ditto (for prototypes).
* tests/test.c (main, WinMain, test): Remove explicit cast to void
for GC_set_warn_proc().
* misc.c (GC_get_oom_fn, GC_get_all_interior_pointers,
GC_get_finalize_on_demand, GC_get_java_finalization,
GC_get_finalizer_notifier, GC_get_dont_expand, GC_get_full_freq,
GC_get_no_dls, GC_get_free_space_divisor, GC_get_max_retries,
GC_get_dont_precollect, GC_get_time_limit, GC_get_warn_proc): New
API functions (to get the current value of the corresponding R/W
public variables).
* include/gc.h: Ditto (for prototypes).
* include/gc.h (GC_set_warn_proc, GC_set_free_space_divisor):
Update the comment.
* misc.c (GC_ignore_warn_proc): New API call-back function.
* include/gc.h (GC_ignore_warn_proc): Ditto (for the prototype).
* misc.c (GC_set_find_leak, GC_get_find_leak, GC_set_non_gc_bytes,
GC_get_non_gc_bytes): New API setter and getter functions (for the
public GC_find_leak and GC_non_gc_bytes variables, respectively).
* include/gc.h: Ditto (for prototypes).
* include/gc.h (GC_memalign): Add proto to GC API.
* mallocx.c (GC_memalign): Use GC_API, GC_CALL for the definition.
* tests/test.c (run_one_test): Test GC_memalign() on Win32 too,
remove GC_memalign() proto.
* misc.c (GC_write): Use multi-byte (A) variants of Win32
GetModuleFileName() and CreateFile().
* tests/test.c (main): Replace K&R-style function definition with the
ANSI C one.
hboehm [Fri, 12 Jun 2009 18:59:14 +0000 (18:59 +0000)]
2009-06-12 Hans Boehm <Hans.Boehm@hp.com> (Really Ivan Maidanski and George Talbot)
(diff95_cvs)
* include/private/gcconfig.h (PLATFORM_ANDROID): New macro
recognized (for Linux on ARM32 without glibc).
* include/private/gcconfig.h (STRTOULL): Define for all targets
(define as "strtoul" for most targets except for LLP64/Win64).
* misc.c (GC_init_inner): Use STRTOULL instead of atoi/atol()
(cast the result to word type) to decode values of "GC_TRACE",
"GC_INITIAL_HEAP_SIZE", "GC_MAXIMUM_HEAP_SIZE" environment vars.
hboehm [Fri, 12 Jun 2009 06:33:10 +0000 (06:33 +0000)]
2009-06-11 Hans Boehm <Hans.Boehm@hp.com>
* win32_threads.c (GC_release_mark_lock): Correct misspelling of
AO_load in assertion.
2009-06-11 Hans Boehm <Hans.Boehm@hp.com> (Really mostly Ivan Maidanski)
(diff93_cvs: resembling diff27, diff30, diff43, diff44, diff66,
diff76, diff79, diff83 partly)
* win32_threads.c (MAX_THREADS): Define as 1 if GC_win32_dll_threads
is defined as FALSE (otherwise the size of dll_thread_table is near
200 KiB for 32-bit).
* win32_threads.c (GC_use_DllMain): Optimize for THREAD_LOCAL_ALLOC.
* win32_threads.c (GC_Thread_Rep): Add backing_store_end and
backing_store_ptr fields for IA64 support.
* win32_threads.c (GC_register_my_thread_inner): Set
backing_store_end field to reg_base value for IA64 (same as in
pthread_support.c).
* win32_threads.c (SET_PTHREAD_MAP_CACHE): Put parentheses in the
"right" places, remove ';'.
* win32_threads.c (GC_fault_handler_lock): Declare only
if MPROTECT_VDB (and not WinCE).
* win32_threads.c (GC_suspend): Acquire and release
GC_fault_handler_lock only if MPROTECT_VDB (and not WinCE).
* win32_threads.c (GC_suspend): Define as STATIC.
* win32_threads.c (GC_push_stack_for): Fix WARN() format specifier
(should be word-complient, "%p" is used w/o "0x"), don't cast sp.
* win32_threads.c (GC_push_all_stacks): Convert a group of printf()
calls into a single one (for output atomicity).
* win32_threads.c (GC_get_next_stack): Unprotect thread descriptor
before altering its last_stack_min ("thread" variable is added).
* win32_threads.c (GC_get_next_stack): Remove unnecessary checks for
"s" is non-NULL.
* win32_threads.c (GC_get_next_stack): Don't call GC_may_be_in_stack
if WinCE.
* win32_threads.c (GC_get_next_stack): Pass current_min value to
GC_get_stack_min as-is (without -1).
* win32_threads.c (GC_wait_marker): Remove FIXME and use "release"
version of AO_fetch_and_sub1().
* win32_threads.c (GC_win32_start_inner, GC_win32_start): convert int
to pointer (and vice verse) thru word type to suppress warnings.
* win32_threads.c (GC_mark_mutex_waitcnt): Fix comment, always
access atomically.
* misc.c: Change GC_THREADS tests back to THREADS.
* allchblk.c (GC_print_hblkfreelist, GC_dump_regions): Convert
a group of printf() calls into a single one (for output atomicity).
* include/gc.h (GC_set_all_interior_pointers, GC_set_full_freq,
GC_set_time_limit): New prototypes.
* misc.c (GC_set_all_interior_pointers, GC_set_full_freq,
GC_set_time_limit): New public setter/getter functions.
* include/gc.h: Fix (and remove outdated) comments for thread-local
allocation.
* include/gc.h: Fix typos in comments.
* misc.c (GC_init_inner, GC_printf): Ditto.
* include/gc.h (GC_unregister_disappearing_link): Refine comment.
* include/gc.h (GC_stack_base): Recognize _M_IA64 macro.
* misc.c (GC_stack_last_cleared, GC_min_sp, GC_high_water,
GC_bytes_allocd_at_reset, DEGRADE_RATE): Define only if THREADS.
* misc.c (GC_stack_last_cleared, GC_min_sp, GC_high_water,
GC_bytes_allocd_at_reset): Define as STATIC.
* misc.c (GC_get_heap_size, GC_get_free_bytes,
GC_get_bytes_since_gc, GC_get_total_bytes): Acquire the GC lock to
avoid data races.
* misc.c (GC_write_cs): Define only if THREADS (Win32/WinCE only).
* misc.c (GC_init_inner): Initialize GC_write_cs only if THREADS.
* misc.c (GC_init_inner): Use GC_INITIAL_HEAP_SIZE (if available) to
set the default initial value of initial_heap_sz.
* misc.c (GC_deinit): Destroy GC_write_cs only if THREADS.
* misc.c (GC_init_inner): Fix WARN() format specifier (should be
word-complient, "%p" is used w/o "0x").
* misc.c (GC_init_inner): Don't recognize "GC_PAUSE_TIME_TARGET"
environment variable if SMALL_CONFIG.
* misc.c (GC_init_inner): Recognize "GC_FULL_FREQUENCY" environment
variable to set initial GC_full_freq value (if not SMALL_CONFIG).
* doc/README.environment (GC_FULL_FREQUENCY): Add information.
* doc/README.environment (GC_MARKERS): Refine information.
* misc.c (GC_init_inner): Change GC_ASSERT to GC_STATIC_ASSERT where
possible.
* misc.c (IF_NEED_TO_LOCK): New macro (instead of GC_need_to_lock).
* misc.c (GC_write): Use IF_NEED_TO_LOCK for handling GC_write_cs.
* misc.c (GC_abort): Don't define if SMALL_CONFIG.
* misc.c (GC_abort): Directly use WRITE() instead of GC_err_printf()
(to prevent possible infinite recursion).
* finalize.c (finalization_mark_proc): Replace K&R-style declaration
with ANSI C one.
* finalize.c (GC_grow_table, GC_register_finalizer_inner,
GC_enqueue_all_finalizers): Remove outdated comments about disabling
signals.
* finalize.c (GC_general_register_disappearing_link): Fix assertion
to catch NULL "obj" value.
* finalize.c (GC_unregister_disappearing_link): Check "link"
alignment before gaining the lock.
* finalize.c (GC_finalize): Refine comment.
* finalize.c (GC_finalize): Fix WARN() format specifier (should be
word-complient, "%p" is used w/o "0x").
* finalize.c (GC_invoke_finalizers): Initialize "bytes_freed_before"
variable (to 0) to suppress compiler warning.
* include/gc_gcj.h (MARK_DESCR_OFFSET): Move to private/gc_pmark.h.
* include/gc_gcj.h: add "extern C" header and tail.
* include/private/gc_pmark.h: Remove GC_do_parallel_mark(),
GC_help_wanted, GC_helper_count, GC_active_count declarations (move
the comments to the place where these symbols are defined in mark.c).
* mark.c: Add STATIC GC_do_parallel_mark() declaration (for use by
GC_mark_some_inner, if PARALLEL_MARK only).
* mark.c (GC_mark_some_inner, GC_help_wanted, GC_helper_count,
GC_active_count, GC_do_parallel_mark): Define as STATIC.
* pthread_support.c (GC_mark_thread): Ditto.
* typd_mlc.c (GC_explicit_typing_initialized, GC_explicit_kind,
GC_array_kind, GC_ext_descriptors, GC_ed_size, GC_avail_descr,
GC_typed_mark_proc_index, GC_array_mark_proc_index, GC_eobjfreelist,
GC_arobjfreelist): Ditto.
* include/private/gc_pmark.h (PUSH_CONTENTS_HDR): Change GC_ASSERT
for HBLKSIZE to GC_STATIC_ASSERT.
* mark.c (GC_noop): Define for Borland C the same as for Watcom.
* mark.c (GC_noop, GC_mark_and_push): Add ARGSUSED tag.
* pthread_support.c (GC_do_blocking_inner): Ditto.
* mark.c (GC_mark_from): Initialize "limit" (to 0) in the default
switch branch to suppress compiler warning.
* mark.c (GC_return_mark_stack): Append new-line to printf message.
* mark.c: Remove unused GC_true_func(), GC_PUSH_ALL().
* pthread_support.c (GC_mark_thread): Add dummy "return 0" to
suppress compiler warning.
* pthread_support.c (start_mark_threads): Move the code limiting
"GC_markers" value (and printing a warning) to GC_thr_init().
* pthread_support.c (GC_thr_init): Silently limit "GC_markers" value
if based on the number of CPUs.
* pthread_support.c (GC_thr_init): Treat incorrect "GC_markers"
values as one.
* pthread_support.c (GC_register_my_thread_inner): Add a check for
"stack_end" is non-NULL (the same as in win32_threads.c).
* pthread_support.c (pthread_create): Call GC_oom_fn before giving up
with ENOMEM.
* thread_local_alloc.c (return_single_freelist): Convert "for" loop
to "while" one to suppress "possible extraneous ';'" warning.
2009-06-08 Hans Boehm <Hans.Boehm@hp.com> (Really Ivan Maidanski
and Zoltan Varga)
* darwin_stop_world.c (GC_push_all_stacks): Recognize ARM32.
* include/private/gc_priv.h (GC_THREAD_STATE_T): Define for ARM32
(Darwin only).
* include/private/gcconfig.h: Add machine-specific part for DARWIN.
* include/private/gcconfig.h (ARM32): Define config parameters for
DARWIN (iPhone).
2009-06-08 Hans Boehm <Hans.Boehm@hp.com> (Really Ivan Maidanski)
(diff91_cvs: resembling diff3, diff27, diff33, diff45, diff47, diff49,
diff60, diff67, diff68 partly)
* alloc.c (GC_FULL_FREQ, GC_DONT_EXPAND, GC_FREE_SPACE_DIVISOR,
GC_TIME_LIMIT): New macros (used to control the default initial
values of GC_full_freq variable, GC_dont_expand,
GC_free_space_divisor, GC_time_limit respectively).
* include/private/gc_priv.h (TIME_LIMIT): Remove macro (replaced
with GC_TIME_LIMIT in alloc.c).
* alloc.c (GC_need_full_gc, GC_stopped_mark, GC_finish_collection):
Define as STATIC.
* mark_rts.c (GC_push_current_stack, GC_push_gc_structures): Ditto.
* include/private/gc_priv.h (GC_stopped_mark, GC_finish_collection):
Move the prototypes to alloc.c, make STATIC.
* include/private/gc_priv.h (GC_push_current_stack,
GC_push_gc_structures, GC_push_regs_and_stack): Remove prototypes
(move the comments to the places where these functions are defined).
* mach_dep.c (GC_push_regs_and_stack): Move to mark_rts.c and define
as STATIC.
* alloc.c (GC_timeout_stop_func, GC_stopped_mark,
GC_print_heap_sects): Convert a group of printf() calls into
a single one (for output atomicity).
* mark_rts.c (GC_print_static_roots): Ditto.
* alloc.c (GC_stopped_mark): Output blank line (when logging) for
convenience to delimit collections.
* alloc.c (GC_clear_a_few_frames): Rename NWORDS to CLEAR_NWORDS;
make "frames" local variable volatile (to prevent optimization).
* alloc.c (GC_try_to_collect_inner, GC_stopped_mark,
GC_finish_collection, GC_allocobj): Remove outdated comments about
disabling signals.
* include/private/gc_priv.h (GC_register_displacement_inner,
GC_gcollect_inner): Ditto.
* alloc.c (GC_try_to_collect_inner, GC_stopped_mark,
GC_finish_collection): Initialize "start_time" local variable (to 0)
to suppress compiler warning.
* mark_rts.c (GC_add_roots_inner): Ditto (for "old" variable).
* alloc.c (GC_RATE, MAX_PRIOR_ATTEMPTS): Guard with "ifndef".
* include/private/gc_priv.h (clock, GC_stop_world, GC_start_world,
GC_acquire_mark_lock, GC_release_mark_lock, GC_notify_all_builder,
GC_wait_for_reclaim, GC_notify_all_marker, GC_wait_marker): Replace
K&R-style function prototypes with ANSI C one.
* include/private/gc_priv.h (ABORT): Define as DebugBreak() for
Win32/WinCE if SMALL_CONFIG (the same as in GC_abort()).
* include/private/gc_priv.h (ROUNDED_UP_WORDS, abs): Remove unused
macros.
* include/private/gc_priv.h (GC_noop): Declare for Borland C the
same as for Watcom.
* mark_rts.c (GC_push_conditional_with_exclusions): Add ARGSUSED tag.
2009-06-04 Hans Boehm <Hans.Boehm@hp.com> (Really Ivan Maidanski)
(diff89_cvs, resembling diff3, diff27, diff34, diff38, diff47, diff49,
diff59, diff60, diff66, diff67, diff68, diff69a, diff70, diff81
partly)
* dbg_mlc.c (GC_store_debug_info, GC_store_debug_info_inner): Remove
outdated comment about disabling signals.
* mallocx.c (GC_malloc_uncollectable,
GC_malloc_atomic_uncollectable): Ditto.
* os_dep.c: Ditto.
* dbg_mlc.c (GC_debug_change_stubborn, GC_debug_end_stubborn_change):
Add ARGSUSED tag.
* pthread_stop_world.c (GC_suspend_handler,
GC_suspend_handler_inner): Ditto.
* dbg_mlc.c (GC_debug_free, GC_debug_realloc): Fix printf message.
* dbg_mlc.c (GC_debug_realloc): Set "result" to NULL in the default
switch branch to suppress compiler warning.
* dyn_load.c (GC_init_dyld): Use ABORT() instead of GC_abort().
* include/private/darwin_semaphore.h (sem_init): Ditto.
* include/javaxfc.h: Replace "GC_H" with "_GC_H".
* include/private/dbg_mlc.h (GC_has_other_debug_info,
GC_store_debug_info): Replace K&R-style function prototypes with ANSI
C one.
* include/private/gcconfig.h (GC_FreeBSDGetDataStart, real_malloc,
GC_win32_get_mem, GC_wince_get_mem, GC_unix_get_mem): Ditto.
* include/private/pthread_support.h (GC_stop_init): Ditto.
* include/private/gcconfig.h: Refine comment about setting
GC_stackbottom.
* include/private/gcconfig.h (FIXUP_POINTER): Put parentheses in the
"right" places.
* include/private/pthread_support.h (GC_Thread_Rep): Refine comment
for "stack_end" field.
* mallocx.c (GC_malloc_uncollectable,
GC_malloc_atomic_uncollectable): Remove cast to undefined "hbklk".
* os_dep.c (GC_USE_MEM_TOP_DOWN): New macro (for setting
GC_mem_top_down to MEM_TOP_DOWN for debug purposes).
* os_dep.c (GC_gww_read_dirty, catch_exception_raise): Fix WARN()
format specifier (should be word-compliant, "%p" is used w/o "0x").
* pthread_stop_world.c (GC_suspend_handler_inner): Ditto.
* os_dep.c (GC_dirty_init): Append new-line to printf messages.
* os_dep.c (GC_mprotect_thread): Fix GC_err_printf message.
* os_dep.c (GC_save_callers): Change GC_ASSERT to GC_STATIC_ASSERT.
* pthread_stop_world.c (GC_retry_signals, GC_suspend_ack_sem): Define
as STATIC.
* pthread_stop_world.c (GC_push_all_stacks): Add assertion for that
"thread_blocked" is not set for the current thread.
* real_malloc.c: Add "extern GC_quiet" to suppress compiler warning.
* reclaim.c (GC_reclaim_all): Initialize "start_time" (to 0) to
suppress compiler warning.
2009-06-02 Hans Boehm <Hans.Boehm@hp.com> (Really Ivan Maidanski)
(adding last bit of diff86_cvs)
* tests/test.c (check_heap_stats): Avoid unbalanced brackets in ifdef.
2009-05-27 Hans Boehm <Hans.Boehm@hp.com> (Really Ivan Maidanski)
(diff26)
* win32_threads.c: restructure parallel marking mutex intialization.
* win32_threads.c, alloc.c, darwin_stop_world.c, mallocx.c, mark.c,
pthread_stop_world.c, pthread_support.c: Add runtime conditions
on GC_parallel were appropriate.
* pthread_support.c: Condition marker_bsp on ia64.
(GC_segment_is_thread_stack): Fix loop upper bound.
* reclaim.c: Limit some assertions to PARALLEL_MARK.
* pthread_support.c: Don't acquire mark lock for thread-local
allocation.
* include/private/gc_priv.h: Don't define parallel mark sync
support just for THREAD_LOCAL_ALLOC.
2009-05-27 Hans Boehm <Hans.Boehm@hp.com> (Really Ivan Maidanski)
(diff39)
* include/private/gcconfig.h: refine MINGW32 test.
* mark.c: Add win64/gcc tests.
2009-05-27 Hans Boehm <Hans.Boehm@hp.com> (Really Ivan Maidanski)
(diff86_cvs, resembling diff28, diff32, diff33, diff38, diff68 partly)
* test.c (fork_a_thread, reverse_test, alloc8bytes, tree_test,
typed_test, run_one_test, check_heap_stats, main, test): Replace
all K&R-style function definitions with ANSI C ones.
* trace_test.c (main): Ditto.
* test.c (GC_COND_INIT): Define as GC_INIT() also in case of
THREAD_LOCAL_ALLOC.
* test.c (reverse_test): Call fork_a_thread() only if GC_PTHREADS
or GC_WIN32_THREADS; remove fork_a_thread() macros definition.
* test.c (reverse_test): Use "volatile" when clearing "b" and "c"
local variables (to suppress "assigned value is never used"
compiler warning).
* test.c (tree_test): Use public GC_noop1() instead of private
GC_noop().
* test.c (typed_test): Ditto.
* test.c (check_heap_stats): Define and assign value to
"late_finalize_count" local variable only if its value is used
(if FINALIZE_ON_DEMAND defined).
* test.c (main): Remove DJGPP-specific initialization of
GC_stackbottom (not needed anymore, handled in gcconfig.h).
* trace_test.c: Guard #define GC_DEBUG with #ifndef.
* trace_test.c: Include "gc_backptr.h".
* trace_test.c (main): Call GC_INIT().
* trace_test.c (main): Add "return 0" statement.
2009-05-25 Hans Boehm <Hans.Boehm@hp.com> (Really Petter Urkedal)
* dyn_load.c (GC_register_dynlib_callback): Use new index j
instead of i in the inner loop.
2009-05-24 Hans Boehm <Hans.Boehm@hp.com> (Really Ivan Maidanski, diff85)
* tests/test.c: Increment n_tests with fetch_and_add when possible,
avoiding need to export lock.
2009-05-22 Hans Boehm <Hans.Boehm@hp.com> (Really Ivan Maidanski, diff63,diff65)
* include/gc_pthread_redirects.h:
- dlfcn.h is included for dlopen() proto before undefining
"dlopen" (so, it's possible now to include dlfcn.h after
gc.h from user code);
- GC_dlopen() proto is added (except for Darwin as
it's missing there);
- "dlopen" is explicitly undefined (before its redefinition).
* include/gc.h:
- "process.h" is included besides "windows.h"
(for _beginthreadex/_endthreadex); win32 only.
- GC_NO_THREAD_DECLS is moved to the right place
(before closing "extern C").
* pthread_support.c: Fix out of memory handling for Thread_Reps.
* win32_threads.c: Don't include process.h on winCE,
improve out of memory handling for thread structures, dont
define GC_beginthreadex and GC_endthreadex for winCE.
2009-05-22 Hans Boehm <Hans.Boehm@hp.com> (Really Ivan Maidanski, diff71)
* tests/test.c: Change gcj vtable decriptor type from size_t to
GC_word.
2009-05-22 Hans Boehm <Hans.Boehm@hp.com>
* gcj_mlc.c: Add comment.
* tests/test.c: Change NTEST to NTHREADS. Fork 5 threads by default.
Run reverse_test a second time in each thread.Add comments.
Dont rely on AO_fetch_and_add.
2009-05-22 Hans Boehm <Hans.Boehm@hp.com> (Largely from Ludovic Cortes)
* dyn_load.c (GC_register_dynlib_callback,
GC_register_dynamic_libraries_dl_iterate_phdr): Add support
for GNU_PT_RELRO relocations.
2009-05-22 Hans Boehm <Hans.Boehm@hp.com> (Really Ivan Maidanski, diff61)
* Makefile, Makefile.direct: GC_SOLARIS_PTHREADS was replaced
by GC_SOLARIS_THREADS.
* include/gc.h: Improve finalizer documentation.
* mips_sgi_mach_dep.s: Replace _MIPS_SIM_ABI32 with _ABIO32.
* pthread_stop_world.c, Makefile.dj: Fix typos.
2009-05-21 Hans Boehm <Hans.Boehm@hp.com>
* win32_threads.c (GC_new_thread): Make first_thread
visible to the whole file.
(UNPROTECT): New macro.
(GC_push_stack_for, GC_suspend, GC_start_world): unprotect
thread structures before writing.
(GC_suspend): Acquire GC_fault_handler_lock before suspending
thread.
* os_dep.c: export GC_fault_handler_lock.
(GC_remove_protection): Check if already unprotected.
2009-05-20 Hans Boehm <Hans.Boehm@hp.com> (really Ivan Maidanski)
* doc/README.win32: Add OpenWatcom warning.
* include/private/gcconfig.h: Really check it in.
2009-05-19 Hans Boehm <Hans.Boehm@hp.com> (Mostly Ivan Maidanski, Dave Korn)
* os_dep.c (GC_get_stack_base, windows): Replace with Dave Korn's
code from gcc version.
* os_dep.c: make gc compilable (optionally) for Cygwin with
GetWriteWatch-based virtual dirty bit implementation ("os_dep.c" file).
* os_dep.c: Make non-win32 GC_write_fault_handler STATIC.
* mark.c (GC_noop): fix declaration definition mismatch for DMC.
* include/private/gcconfig.h: Enable MPROTECT_VDB and GWW_VDB for
Watcom (Win32 only). It works.
and GWW_VDB. It works.
2009-05-07 Hans Boehm <Hans.Boehm@hp.com> and Mark Sibly
* mach_dep.c: Don't use __builtin_unwind_init for register
state on PowerPC/Darwin.
2009-04-24 Hans Boehm <Hans.Boehm@hp.com>
* doc/gcdescr.html: Improve description of object freelist
structure.
* include/private/gc_priv.h: Fix comment for _size_map.
2009-03-16 Hans Boehm <Hans.Boehm@hp.com>
* os_dep.c (GC_linux_stack_base): Relax sanity test.
2009-03-11 Hans Boehm <Hans.Boehm@hp.com> (Really Ivan Maidanski)
* include/private/gc_pmark.h (PUSH_CONTENTS_HDR for
MARK_BIT_PER_OBJ): Add missing backslash before eoln.
2009-02-28 Hans Boehm <Hans.Boehm@hp.com>
* misc.c (GC_set_warn_proc): Implicitly intialize GC on
non-Cygwin win32.
2009-02-28 Hans Boehm <Hans.Boehm@hp.com> (Really Petr Krajca)
* configure.ac: Enable thread-local allocation for sparc-linux.
* configure: Regenerate.
2009-02-28 Hans Boehm <Hans.Boehm@hp.com> (Really Ivan Maidansky)
* alloc.c (GC_try_to_collect): Remove duplicate initialization
check.
* malloc.c (GC_generic_malloc): Remove lw to eliminate single-
threaded warnings.
* mallocx.c (GC_generic_malloc_ignore_off_page): Ditto.
2009-02-28 Hans Boehm <Hans.Boehm@hp.com>
* os_dep.c: Define GC_GWW_BUF_LEN more intelligently. Add FIXME
comment.
2009-02-28 Hans Boehm <Hans.Boehm@hp.com> (With input from Ivan Maidansky)
* win32_threads.c (GC_push_stack_for): Yet another attempt
at the stack_min finding logic. Try to clean up the existing code
while minimizing VirtualQuery calls.
(GC_win32_start_inner): Register thread before GC_printf.
Produce more output with DEBUG_THREADS.
*include/gc.h: Update obsolete comments.
2009-02-24 Hans Boehm <Hans.Boehm@hp.com> (Really Ivan Maidansky)
* tests/test.c:
(gcj_class_struct2): Use cast instead of l suffix.
Cast GetLastError to int in various places.
Avoid unused result warning from incr/decr macros.
Add cast for fake_gcj_mark_proc.
Cast GC_gc_no to unsigned in printf.
2009-02-24 Hans Boehm <Hans.Boehm@hp.com> (Really Ivan Maidansky)
* include/gc.h: Fix two typos in comments.
2009-02-24 Hans Boehm <Hans.Boehm@hp.com> (Really Ivan Maidansky)
* finalize.c: Fix typo in comment.
2008-12-03 Hans Boehm <Hans.Boehm@hp.com> (Really Ivan Maidansky)
* blacklst.c (GC_print_source_pointer): Don't call GC_print_heap_obj
with lock.
2008-12-01 Hans Boehm <Hans.Boehm@hp.com>
* reclaim.c: (GC_reclaim_block): Scan even nearly full blocks
if we are checking for leaks.
2008-11-12 Hans Boehm <Hans.Boehm@hp.com> (Really mostly Ivan Maidansky)
* win32_threads.c: Remove mark lock spinning.
* win32_threads.c, pthread_support.c: Update GC_unlocked_count,
GC_spin_count, and GC_block_count using atomic operations.
* tests/test.c: Declare n_tests as AO_t only if we have threads.
2008-11-11 Hans Boehm <Hans.Boehm@hp.com>
(Really almost entirely Ivan Maidansky)
* win32_threads.c: Support PARALLEL_MARK. Make printf arg
types agree with format specifiers. Add missing copyright header.
Add STATIC for GC_threads.
* include/private/gcconfig.h: Add FIXME comment.
* tests/test.c (run_ine_test): Replace LOCK/UNLOCK use with
AO_fetch_and_add1_full. Declare n_tests as AO_t.
(WinMain): Dont call GC_use_DllMain.
with PARALLEL_MARK or THREAD_LOCAL_ALLOC.
2008-11-10 Hans Boehm <Hans.Boehm@hp.com> (Really Ivan Maidansky)
* alloc.c (GC_try_to_collect_inner): Don't print redundant
GC_bytes_allocd and GC_gc_no.
(GC_stopped_mark): Print average world stop time.
* include/private/gc_priv.h (MS_TIME_DIFF): Add cast.
2008-11-10 Hans Boehm <Hans.Boehm@hp.com> (Really mostly Ivan Maidansky)
* misc.c, doc/README.environment: Add support for
GC_FREE_SPACE_DIVISOR and GC-disable-incremental.
* include/gc.h: Make GC_set_free_space_divisor correspond to
(somewhat unfortunate) reality.
2008-11-07 Hans Boehm <Hans.Boehm@hp.com> (Really Ivan Maidansky)
(Mostly improves LLP64 support.)
* backgraph.c, checksums.c, dbg_mlc.c, finalize.c, mark.c,
misc.c, reclaim.c: Changed some int and long type to word or size_t
(and vice versa where appropriate)
* gcj_mlc.c, include/private/dbg_mlc.h, include/private/gcconfig.h,
include/private/thread_local_alloc.h, mark.c,
misc.c, thread_local_alloc.c, win32_threads.c: Added intermediate
casts to word type when casting from int to pointer (or pointer
to int, or data pointer to code pointer) - just to remove the
corresponding compiler warning.
* ptr_chck.c (GC_is_visible): cast int const to word type to
prevent left shift overflow.
* os_dep.c: change the type of GC_mem_top_down global var
(containing a flag) to DWORD.
* include/gc_config_macros.h: define GC_SOLARIS_THREADS if GC_THREADS
is defined on SunOS x86_64.
* misc.c (GC_init_size_map): Ifdef out GC_ASSERT as a workaround
for VC++ 2008 amd64 (v15.00.21022.08 for x64) compiler bug
(the compiler gets hung if invoked with -Ox -D
ALL_INTERIOR_POINTERS -D GC_ASSERTIONS)
* backgraph.c: cast GC_gc_no value to unsigned short when
assigned/compared to height_gc_no field of back_edges.
* os_dep.c (GC_remove_protection): Add ARGSUSED.
* win32_threads.c (GC_thread_exit_proc): Remove unused local var.
* mark.c (GC_check_dirty): Move declaration out of func body.
2008-10-27 Hans Boehm <Hans.Boehm@hp.com> (Thanks to Klaus Treichel.)
* finalize.c (GC_general_register_disappearing_link): Add
assertion.
* malloc.c (GC_generic_malloc): Round lb to granules, not words.
* mallocx.c (GC_generic_malloc_ignore_off_page): Round lb to
granules, not words.
2008-10-27 Hans Boehm <Hans.Boehm@hp.com> (Really Rex Dieter and
Petr Krajca)
* mach_dep.c (NO_GETCONTEXT): Define for sparc linux.
* configure.ac: Define mach_dep for sparc-linux.
* configure: Regenerate.
2008-10-25 Hans Boehm <Hans.Boehm@hp.com> (Really Ivan Maidansky)
* mark_rts.c (GC_approx_sp): Use volatile to avoid common
warning.
2008-10-21 Hans Boehm <Hans.Boehm@hp.com> (Really Ivan Maidanski)
* pthread_support.c: Comment out LOCK_STATS.
* include/gc.h: Fix comments.
2008-10-20 Hans Boehm <Hans.Boehm@hp.com> (Really Ivan Maidanski)
* misc.c (GC_init_inner): Enable GC_LOG_FILE on Cygwin.
* include/private/gcconfig.h: Consider USE_MMAP for Cygwin.
* os_dep.c (GC_get_main_stack_base): Use alternate definition
with USE_MMAP.
* include/private/gc_priv.h: Sometimes define SETJMP on Cygwin.
2008-10-20 Hans Boehm <Hans.Boehm@hp.com>
* doc/README: Make it clearer when Makefile.direct is assumed.
* cord/cord.am: install include/cord.h.
* Makefile.in: Regenerate.
2008-09-24 Hans Boehm <Hans.Boehm@hp.com> (Really Ivan Maidanski)
* win32_threads.c (GC_pthread_join, GC_pthread_start_inner):
Remove unused variables.
* darwin_stop_world.c: Always declare GC_thr_init().
* dbg_mlc.c (GC_debug_free_inner): Dont touch oh_sz if
SHORT_DBG_HDRS is defined.
* include/private/gc_pmark.h (OR_WORD_EXIT_IF_SET, parallel
mark, USE_MARK_BITS version): Refer to correct parameter name.
2008-09-24 Hans Boehm <Hans.Boehm@hp.com> (Really Ivan Maidanski)
* finalize.c (GC_general_register_disappearing_link): Remove
redundant code.
* gcj_mlc.c (GC_init_gcj_malloc): Add cast to signed.
* os_dep.c: (GC_write_fault_handler): Remove remaining
references to deleted variable "code". Remove redundant
FREEBSD definitions.
* include/private/gcconfig.h (GWW_VDB): Define for X86_64 when
defined for X86. (STATIC): Define as "static" with NO_DEBUGGING.
2008-09-24 Hans Boehm <Hans.Boehm@hp.com>
* include/private/gc_priv.h: Update MAX_HEAP_SECTS.
2008-09-10 Hans Boehm <Hans.Boehm@hp.com>
* dbg_mlc.c (GC_print_smashed_obj): Increase robustness with
smashed string, (GC_debug_free_inner): Mark as free.
* mallocx.c (GC_malloc_many): Always clear new block if
GC_debugging_started.
* reclaim.c: Move GC_debugging_started from
GC_reclaim_small_nonempty_block() to GC_reclaim_generic(),
which is also called directly.
* doc/README: Fix spelling error. Update license summary.
* include/gc.h (GC_PRE_INCR3, GC_POST_INCR3): add (void **) casts.
* tests/test.c: Don't define GC_DEBUG if already defined.
2008-08-27 Hans Boehm <Hans.Boehm@hp.com>
* doc/simple_example.html: update --enable-full-debug reference,
Make HTML formatting standards compliant.
* doc/debugging.html, doc/leak.html: Fix HTML formatting bugs.
* doc/gcinterface.html: specify encoding.
2008-08-27 Hans Boehm <Hans.Boehm@hp.com> (with help from Marco Maggi)
* doc/simple_example.html: Update thread-local allocation
description.
2008-08-26 Hans Boehm <Hans.Boehm@hp.com> (with help from Marco Maggi)
* configure.ac: Check for gc-debug earlier; replace remaining
full-debug tests.
* configure: Regenerate.
* include/gc.h, ptr_chck.c (GC_pre_incr, GC_post_incr):
Use signed offset type. Use ptr_t internally.
* doc/gcinterface.html: Update LOCAL_MALLOC description.
* doc/README.autoconf, doc/leak.html, doc/README.DGUX386:
Fix full-debug reference.
* include/gc.h: Rewrite GC_..._INCR and friends.
* tests/test.c: Minimally test GC_..._INCR and friends.
2008-08-21 Hans Boehm <Hans.Boehm@hp.com>
* mark.c: (GC_push_next_marked, GC_push_next_marked_dirty,
GC_push_next_marked_uncollectable): Never invoke GC_push_marked
on free hblk.
* headers.c: Test COUNT_HDR_CACHE_HITS not USE_HDR_CACHE.
(GC_header_cache_miss): Always blacklist pointers for free
hblks. Add assertion and comment.
* pthread_support.c (GC_register_my_thread): Fix #if indentation.
* include/private/gc_hdrs.h: USE_HDR_CACHE is no longer tested.
Delete it.
* include/private/gc_pmark.h: (PUSH_OBJ): Add assertion.
2008-08-21 Hans Boehm <Hans.Boehm@hp.com>
* alloc.c, include/gc_mark.h, Makefile.direct: Improve comments.
2008-08-01 Hans Boehm <Hans.Boehm@hp.com> (Really Klaus Treichel)
* configure.ac: Set win32_threads on MinGW.
* configure: Reg
projects / gc / log