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ChangeLog
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== [7.4.26] (not released yet) ==
* Eliminate 'unused parameter' gcc warning in free() if IGNORE_FREE
* Eliminate 'unused value' gcc warnings in init_global_static_roots (Symbian)
* Fix 'implicit declaration of function sbrk' gcc error on Symbian
* Fix 'unused GC_set_and_save_fault_handler' warning on OS X
* Fix GC_push_stack_for() to push also Xmm registers on Windows/x64
* Fix MACH_TYPE macro redefinition on Symbian/arm
* Fix missing GC_pthread_sigmask on FreeBSD and NetBSD
* Fix missing redirect and implementation of pthread_sigmask() on OpenBSD
Also, includes 7.2r changes.
== [7.4.24] 2023-05-25 ==
* Adjust CORD_ec comment placement in ec.h
* Do not mix debug and non-debug allocations in disclaim tests
* Eliminate 'cast signed to bigger unsigned' CSA warning in WARN calls
* Ensure GC_NO_PTHREAD_SIGMASK defined if no GC_pthread_sigmask prototype
* Fix GC_thread_is_registered for finished threads
* Fix GC_unregister_my_thread call before GC functions usage in gctest
* Fix missing lock while updating GC_in_thread_creation in GC_exit_check
* Fix null pointer dereference in TRACE_TARGET
* Fix of GC_bytes_allocd increment in GC_generic_malloc_inner
* Remove redundant 'ifdef THREADS' around LOCK/UNLOCK in call_with_alloc_lock
Also, includes 7.2q changes.
== [7.4.22] 2022-08-26 ==
* Eliminate 'new_l may be used uninitialized' gcc warning in os_dep (Cygwin)
* Eliminate 'possible loss of data' compiler warning in GC_envfile_getenv
* Fix 'undeclared getpagesize' compiler warning on AIX and OSF1
* Fix GC_dirty() argument in GC_malloc_explicitly_typed_ignore_off_page
* Fix SIGSEGV caused by dropped stack access from child process in gctest
* Fix abort in Win32 DllMain if PARALLEL_MARK
* Fix assertion violation of GC_thread_key alignment if pthread-based TLS
* Fix comment in GC_init regarding GC_init_parallel call
* Fix stack overflow in gctest on Alpine Linux/s390x
* Revert "Remove nested always-false ifdef for HPUX and FREEBSD"
* Use SIGRTMIN+6 as suspend signal if sigrt-signals on OpenBSD
* Workaround crash in FreeBSD rand() by avoiding its concurrent usage
Also, includes 7.2p changes.
== [7.4.20] 2021-09-28 ==
* Do not hold GC_fault_handler_lock when in Sleep (Windows)
* Eliminate 'static GC_sysinfo definition has incomplete type' Clang warning
* Eliminate 'unused function GC_add_map_entry' compiler warning
* Eliminate 'while clause does not guard' GCC warning in GC_parse_map_entry
* Fix OS_TYPE and USE_MMAP_ANON definitions for Cygwin/x64
* Fix abort in GC_printf when gctest is built as WinMain executable (Cygwin)
* Fix configure message about 'AIX gcc optimization fix'
* Fix cordtest build in SMakefile.amiga
* Prevent GetThreadContext failure (Windows)
* Refactoring of WoW64 workaround (Win32)
Also, includes 7.2o changes
== [7.4.18] 2019-03-01 ==
* Fix 'wrong __data_start/_end pair' error on Android
* Fix thread_info() count argument value (OS X)
Also, includes 7.2n changes
== [7.4.16] 2018-12-13 ==
* Fix 'collecting from unknown thread' abort in leak-finding mode for Win32
* Fix 'undefined reference to GC_incremental' linker error in pthread_start
* Fix GC_register_disclaim_proc for leak-finding mode
* Fix concurrent bitmap update in GC_dirty
* Fix marking of finalizer closure object
* Fix marks and hb_n_marks consistency when disclaim returns true
* Fix missing curses.h in cord/de when compiling manually (MS VC, MinGW)
* Refine documentation in gc_disclaim.h
Also, includes 7.2m changes
== [7.4.14] 2018-08-11 ==
* Cleanup BCC Makefile (remove absolute GC paths, fix del cmd, update clean)
* Do not call GC_dirty_inner unless GC_incremental
* Eliminate 'cast between incompatible function types' compiler warning
* Eliminate 'comparing signed and unsigned values' compiler warnings (bcc)
* Eliminate 'language extension used' Clang warning in gc.h
* Eliminate 'possibly incorrect assignment in CORD_vsprintf' compiler warning
* Eliminate 'switch statement contains no case label' compiler warning
* Eliminate 'variable might be uninitialized' warning in win32_start_inner
* Eliminate duplicate clear_mark_bit call when removing disappearing link
* Fix 'collecting from unknown thread' abort in leak-finding mode
* Fix compilation by digimars.mak (DMC) and by WCC makefile
* Fix cords for MANUAL_VDB
* Fix dependency on gc_cpp source in BCC_MAKEFILE and NT_MAKEFILE
* Fix gctest in leak-finding mode
* Fix missing GC_dirty calls for GC-allocated objects used internally
* Fix missing GC_dirty invocation from debug_end_stubborn_change
* Fix multi-threaded gctest for the case of NTHREADS is set to zero
* Fix typos in ChangeLog and generic_malloc
* Keep pointer to the start of previous entry in remove_specific_after_fork
* New API function (GC_is_init_called) to check if BDWGC is initialized
* Remove code duplication in gcj_malloc and malloc_explicitly_typed
* Remove duplicate local variable in reclaim_block
* Remove libatomic_ops license information from README
* Workaround 'dynamic exception specifications deprecated in C++11' warning
Also, includes 7.2l changes
== [7.4.12] 2018-04-19 ==
* Define GC_FREEBSD_THREADS and GC_ADD_CALLER macros for kFreeBSD
* Fix comment for debug_generic_malloc_inner[_ignore_off_page]
* Fix gctest with musl libc on s390x
* Fix missing new-line in ABORT_ARG<n> definition
* Fix null pointer dereference in get_private_path_and_zero_file (Symbian)
* Fix type of local variables receiving result of PHT_HASH
* Remove API symbols renaming in WCC_MAKEFILE
Also, includes 7.2k changes
== [7.4.10] 2018-01-22 ==
* Fix error code in abort message if sem_wait failed in start_world (NetBSD)
Also, includes 7.2j changes
== [7.4.8] 2017-12-22 ==
* Eliminate 'this statement may fall through' GCC warnings
* Eliminate 'value exceeds maximum object size' GCC warning in huge_test
* Fix data race in make_descriptor when setting explicit_typing_initialized
* Fix marking of disclaim-reachable objects in the incremental mode
* Update comment in finalized_disclaim to match FINALIZER_CLOSURE_FLAG
Also, includes 7.2i changes
== [7.4.6] 2017-10-26 ==
* Add configure --enable-gcov option (enable code coverage analysis)
* Add configure check whether to define NO_GETCONTEXT
* Adjust GC_memalign comment
* Allow HAVE_DL_ITERATE_PHDR to be defined by client (musl)
* Allow PKG_CHECK_MODULES in configure.ac to be commented out easily
* Avoid busy waiting in mark_thread while GC_parallel is false
* Better document minimum value of size argument for typed allocations
* Change type of THREAD_TABLE_INDEX result to int in win32_threads.c
* Consistently use 'msec' instead of 'ms' in comments in pthread_support
* Do not define amiga_get_mem, MacTemporaryNewPtr unless really used (extra)
* Do not produce .tar.bz2 distribution file (configure)
* Do not require libatomic_ops for single-threaded builds (configure)
* Do not warn of missing PT_GNU_RELRO segment when custom DSO filter used
* Document GWW_VDB in gcdescr.html
* Eliminate 'cast to void* from int' compiler warnings (Darwin/x64)
* Eliminate 'conditional expression is always true' code defect in GC_init
* Eliminate 'FP divide-by-zero' static analyzer warning
* Eliminate 'incompatible function pointer' warning in mark_some (MinGW/x86)
* Eliminate 'ISO C forbids an empty translation unit' GCC pedantic warning
* Eliminate 'ISO C forbids object to function pointer conversion' warning
* Eliminate 'locally defined symbol imported' MS linker warnings (cord)
* Eliminate 'null dereference' code defect warning in register_finalizer
* Eliminate 'possible loss of data' compiler warnings (MS VC)
* Eliminate 'printf format specifier mismatch' compiler warning (tools)
* Eliminate 'type defaults to int in declaration' warning (REDIRECT_MALLOC)
* Eliminate 'value stored is never read' warning of Clang static analyzer
* Eliminate duplicate log messages in GC_mark_from
* Eliminate most of collisions in GC_threads on Linux/x64
* Ensure GC initialized when atfork_prepare is called by client
* Fix 'arg parameter might be clobbered by setjmp' compiler warning
* Fix 'bogus LR' detection in FindTopOfStack (Darwin)
* Fix 'execvp argument incompatible pointer type' compiler warning (tools)
* Fix 'GetVersion deprecated' compiler warning in os_dep (MS VC)
* Fix 'incompatible pointer' compiler warning in GC_init_dyld (OS X 64-bit)
* Fix 'incompatible ptr-to-int conversion' compiler warning in push_all_stack
* Fix 'ISO C90 does not support %lf, %lg gnu_printf formats' GCC warnings
* Fix 'ISO C90 forbids mixed declarations and code' compiler warning
* Fix 'missing libc-version.h' build error (uClibc/x86[_64])
* Fix 'replacement operator delete cannot be inline' GCC warning (Cygwin)
* Fix 'variable unused' compiler warning in FirstDLOpenedLinkMap
* Fix 'zero-size array is extension' Clang warning in os_dep (Linux/x86)
* Fix (adjust) GC_scratch_alloc actual argument type
* Fix deadlock in GC_help_marker caused by use of mark_cv of parent process
* Fix finalize.c compilation in 'strict ANSI' mode
* Fix GC shared library tests failure related to dl_iterate_phdr (musl)
* Fix gc.h compliance to strict ANSI (pthreads)
* Fix GC_bytes_allocd incrementation in case of allocation failure
* Fix GC_jmp_buf multiple definition
* Fix GC_noop6 definition to avoid its calls to be optimized away
* Fix gctest failure if PARALLEL_MARK (musl)
* Fix gctest thread stack overflow (musl-gcc)
* Fix initsecondarythread_test runtime failure if GC compiled w/o threads
* Fix lack of 2 trailing zeros in _MSC_VER numbers
* Fix local variable declarations in disclaim_bench
* Fix missing #error pragma
* Fix missing .exe for disclaim test filenames in Makefile (MinGW)
* Fix missing atomic/[un]collectable/realloc_count increments in gctest
* Fix missing new-line and redundant trailing dot in WARN messages
* Fix missing new-line at format strings end in subthread_create test
* Fix mixed include of GC public header and gc_priv.h in disclaim bench/test
* Fix potential overflow in decrement when computing GC_markers_m1
* Fix printf format specifiers in extra files (cppcheck warnings)
* Fix pthread_start compilation if single-obj-compilation (Linux)
* Fix register_finalizer call in disclaim_bench for GC_DEBUG
* Fix static assertion violation in LONG_MULT for 64-bit targets
* Fix tag collision between ENABLE_DISCLAIM and KEEP_BACK_PTRS
* Fix thread id leaks in subthread_create and threadkey_test
* Fix threaded tests runtime crash if GC_NO_THREAD_REDIRECTS supplied
* Fix tools/setjmp_t to prevent nested_sp inlining
* Fix typo in CHECK_GCLIB_VERSION name (test)
* Fix typos in comments/documentation (ews4800, extend_size_map, push_roots)
* Fix unchecked fork() result in gctest (Unix, Cygwin)
* Improve detection of internal libatomic_ops (configure)
* Move libraries version info to the beginning of Makefile.am
* Prevent abort in register_data_segments for Symbian
* Process all PT_LOAD segments before PT_GNU_RELRO segments (Glibc)
* Refine Makefile.direct comment about multi-threaded GC build
* Refine README about library source downloading
* Refine should_invoke_finalizers documentation
* Remove all generated files by NT_X64_THREADS_MAKEFILE 'clean' target
* Remove non-existent configure option in simple_example.html
* Replace C++ style comments to C ones, remove commented out code (extra)
* Support CFLAGS_EXTRA to pass extra user-defined compiler flags (configure)
* Support CFLAGS_EXTRA when checking for inline and dladdr (configure)
* Suppress 'tainted string passed to vulnerable operation' false defects
* Suppress MS VC warnings about unused param, const condition (NT_MAKEFILE)
* Update bdwgc mailing list online archive link in documentation
* Update shared libraries version info to differentiate against v7.2
* Use AC_DEFINE for defining NO_GETCONTEXT in configure
* Workaround 'index out of bounds' UBSan false warning in push_marked
* Workaround 'mmap() resource handle leak' static analyzer warning
* Workaround 'redundant assignment of *result to itself' cppcheck warning
* Workaround 'resource leak' error reported by cppcheck (tools, test)
Also, includes 7.2h changes
== [7.4.4] 2016-05-25 ==
* Allow GC_FAST_MALLOC_GRANS() multiple use in a function
* Also enable the TSX workaround for i386 (Linux)
* Avoid unstructured procfs on Solaris
* Change cord/de main() declaration style from K-R to ANSI C
* Change no-argument functions declaration style to ANSI C (cord)
* Do not include sigcontext.h and asm/sigcontext.h
* Eliminate 'divide by zero' compiler warning in cordtest
* Eliminate warning about 64-bit pointer-to-int cast (Win64/pthreads-w32)
* Eliminate warnings detected by Cppcheck in cord de[_win]
* Fix 'comparison of non-null parameter is always false' warning (Clang)
* Fix 'CORD_iter5 unused result' code defect in cordxtra
* Fix 'GC_generic_malloc_inner_ignore_off_page not used' compiler warning
* Fix 'implicit declaration of vsnprintf' GCC warning (if strict ANSI mode)
* Fix 'signed-to-bigger-unsigned value assignment' in GC_init_size_map
* Fix 'signed-to-bigger-unsigned value assignment' warning for hb_map
* Fix 'signed-to-bigger-unsigned value assignment' warning in GC_setpagesize
* Fix 'statement unreachable' compiler warning in GC_mark_from
* Fix 'statement unreachable' compiler warning in memalign
* Fix 'unused label' compiler warning in cord/de
* Fix 'value truncated' compiler warning in CORD_cat (MS VC)
* Fix 'variable unused' warning in GC_save_callers
* Fix 'visibility attribute not supported' GCC warning (IBM AIX)
* Fix CMake warning about CMP0054 by unquoting instances of HOST
* Fix Cygwin64 build
* Fix GC_REALLOC to call GC_FREE if new size is zero and pointer is non-NULL
* Fix Makefile.direct for Cygwin
* Fix __alloc_size__ availability detection (Clang)
* Fix abort message in GC_move_long_link
* Fix and code refactoring of lock elision workaround (Linux/x64)
* Fix assertion on mark_lock_holder for non-unique NUMERIC_THREAD_ID
* Fix data race in GC_init_explicit_typing
* Fix gc.mak regarding msvc_dbg and test (MSVC)
* Fix missing error handling of pthread_attr_init/getstacksize
* Fix missing error handling of pthreads_mutex_init and cond_wait
* Fix missing numeric casts in cord
* Fix potential left shift overflows in finalize.c (64-bit targets)
* Fix pthreads-win32 name in comments and documentation
* Fix setup_mark_lock missing prototype
* Fix unchecked fcntl() result
* Fix unchecked pointer dereference in check_ints (gctest)
* Fix unchecked pthread_join() result in threadkey_test
* Fix unchecked sigdelset() result in pthread_support
* Fix undefined PTRFREE/NORMAL in gc_inline.h
* Prefix PREFETCH_FOR_WRITE with GC_ as used in gc_inline.h public header
* Relax mark_mutex attribute needed to disable elision (Linux/x64)
* Remove (deprecate) TODO file
* Remove code duplication in GC_realloc
* Remove duplicate new-line in OUT_OF_MEMORY message (cord)
* Remove references to missing linux_threads.c from documentation
* Revert "Move asm machine-dependent files to 'src' folder" (partly)
* Support Android API level 21
* Update compiler options in gc.mak (Win32)
* Use mmap instead of sbrk (Hurd)
* Workaround 'comparison is always false' GCC warning in GC_FAST_MALLOC_GRANS
* Workaround 'identical expr on both sides of bitwise op' warning
* Workaround Linux NTPL lock elision bug
* Workaround false warning about unreachable code path
* Workaround invalid '_end' symbol on Android clang 3.5+
Also, includes 7.2g changes
== [7.4.2] 2014-06-03 ==
* Add config option to use STGRTMIN-based signals for thread suspend/resume
* Allow parallel mark to be enabled on powerpc-linux systems
* Check for Fujitsu compiler in builtin_unwind logic (enable FX10/K-Computer)
* Fix 'Array subscript is above array bounds' GCC warning in GC_new_kind/proc
* Fix 'attribute declaration must precede definition' warning (clang-3.1)
* Fix (enable) Cygwin-64 build
* Fix GC_finalized_malloc failure on disclaim_test
* Fix GC_sig_suspend initialization when non-constant SIGRTMIN used
* Fix MS VC redefinition warning for functions declared with GC_ATTR_MALLOC
* Fix TEXT() usage for concatenated strings in GC_CreateLogFile (Win32)
* Fix data roots registration for Android/x86 and NDK ARM 'gold' linker
* Fix find stackbottom on BlueGene P/Q systems
* Fix machdep .lo files path in configure (SPARC, IA-64)
* Fix ok_init assignment (missing cast) in GC_new_kind_inner
* Fix typos in names in AUTHORS and ChangeLog files
* Remove barrett_diagram file duplicated by tree.html
* Remove non-existing DISCARD_WORDS from GC data structure ASCII diagram
* Restore contribution information for ancient releases in ChangeLog
Also, includes 7.2f changes
== [7.4.0] 2013-11-17 ==
* Add 'bytes reclaimed' counters to public GC_prof_stats_s
* Add AArch64 (64-bit ARM) target support
* Add GC_LONG_REFS_NOT_NEEDED ifdefs to exclude long link functionality
* Add GC_get_prof_stats[_unsafe]() to GC public API
* Add GC_push_all/conditional() to GC public API
* Add assertion on number_of_objs to GC_extend_size_map
* Add assertion to GC_enable() ensuring no counter underflow
* Add assertion to LOCK definition that lock is not already held
* Add assertion to LONG_MULT and remove useless assert in PUSH_CONTENTS_HDR
* Add double-lock assertion to GC_acquire_mark_lock
* Add manual POSIX fork handling support (Android)
* Add note about 'pkg-config' solving problem with autoconf 2.68 or older
* Add public GC_set/get_abort_func to replace default GC_on_abort
* Add public GC_start_mark_threads() to allow parallel marker in fork child
* Add public setter and getter for GC_push_other_roots
* Add support of Android logger
* Add tests for GC_register/move/unregister_long_link
* Add thread suspend/resume signals public setters (POSIX threads)
* Added long weakref support
* Adjust GC_dont_expand/gc/precollect and GC_print_stats type to match gc.h
* Adjust README.md title and references to doc .html files in it
* Adjust build scripts to enable additional test library in staticrootstest
* Adjust logged messages in start_mark_threads and GC_thr_init
* Adjust printf format specifiers in GC_print_trace
* Allow not to rely on __data_start value (Linux)
* Allow pthread_kill error code logging in GC_suspend/resume (debugging)
* Allow to compile GC_inner_start_routine aside from extra/gc.c
* Allow to omit libc atexit() call
* Avoid LOCK/UNLOCK hard-coding in gc_locks.h for PS3 target
* Better document GC_warn_proc in gc.h
* Call GC_on_abort (with NULL argument) on exit(1)
* Call GC_stats/verbose_log_printf instead of GC_log_printf if print_stats
* Change policy regarding version numbers ("micro" part instead of "alpha")
* Changed C99-style designated init of GC_dl_hashtbl struct to use C89-style
* Check GC_base result in GC_print_all_smashed_proc
* Check that SIG_SUSPEND and SIG_THR_RESTART are different (Pthreads)
* Check traceable_allocator.allocate result before dereference in test_cpp
* Code refactoring of GC_x_printf (move shared code to macro)
* Convert readme to markdown
* Default to use libc_stack_end in single-threaded GC on glibc targets
* Define GC_VSNPRINTF internal macro in misc.c (code refactoring)
* Define functions in darwin_semaphore.h as inline instead of static
* Define old_bus_handler static variable only if used (Unix)
* Detect dladdr() presence by configure
* Disable find-leak GC_gcollect on GC abnormal EXIT
* Do not define _setjmp/_longjmp macros in mach_dep.c
* Do not duplicate android_log_write output to GC log file (Android)
* Do not include sigcontext.h if NO_SIGCONTEXT_H (Linux)
* Do not set GC_lock_holder by call_with_alloc_lock if assertions disabled
* Do not use pthread_getattr_np if NO_PTHREAD_GETATTR_NP specified
* Elaborate comment on dependencies in autogen.sh
* Eliminate 'cast from int to pointer' warning in GC_exclude_static_roots
* Eliminate 'missing exception specification' warning in gc_cpp.cc (Clang)
* Eliminate 'uninitialized variable use' warning in test_printf (cord)
* Eliminate 'unused result' compiler warning in main() of test_cpp
* Eliminate 'unused value' compiler warning in GC_stop_world (Pthreads)
* Eliminate 'unused variable' compiler warning in start_mark_threads (HP/UX)
* Eliminate Clang warning for GC_pthread_exit attribute
* Eliminate GCC warning about uninitialized 'hhdr' in GC_allochblk_nth
* Eliminate GCC warning in GC_get_main_stack_base (OpenBSD)
* Eliminate GCC warnings in setjmp_t.c, test_cpp and cord 'de' app
* Eliminate GC_first_nonempty atomic value reload in GC_mark_local assertion
* Eliminate SIGBUS-related dead code in GC_write_fault_handler (Linux)
* Eliminate warning and simplify expression in GC_init_explicit_typing
* Enable 'force GC at every GC_malloc' debug-related functionality
* Enable on-demand debug logging in GC_FindTopOfStack (Darwin)
* Enable prefetch operations by default (GCC 3.0+)
* Enable staticrootstest for the case of GC shared library build
* Enable thread-local allocation support for Clang on Cygwin
* Explicitly specify that Darwin, Linux and Solaris platforms have dladdr
* Fix ABORT definition for mingw32ce (WinCE)
* Fix AM_CONFIG_HEADER in configure for autoconf-2.69-1
* Fix GC_CreateThread and GC_beginthreadex definition for Cygwin
* Fix GC_INIT_CONF_ROOTS in gc.h for Android
* Fix GC_INLINE definition to comply with ISO C90 standard (GCC)
* Fix GC_remove_all_threads_but_me for Android (fork support)
* Fix debug_register_displacement calls from GC_debug_generic_malloc_inner
* Fix dyn_load.c compilation for Android 4.3
* Fix make disclaim_test to link with new GNU ld linking rules
* Improve GC error printing atomicity in GC_debug_X and GC_print_obj
* Improve GC output atomicity in GC_print_obj, GC_print_all_errors
* Improve debug-only messages of add/remove_roots and init_linux_data_start
* Improve fork test logging in gctest
* Improve logged messages about heap size and usage
* Improve logging for Android differentiating messages by log level
* Improve staticrootstest (add global data to library, add lib w/o GC_INIT)
* Improve staticrootstest checks (tests)
* Include "config.h" instead of "private/config.h" on HAVE_CONFIG_H
* Include proper header file in 'tools' for configuration macros
* Include pthread_np.h from pthread_stop_world.c on OpenBSD
* Log error messages to stderr instead of stdout in tests
* Make GC_generic_malloc_ignore_off_page() public
* Make GC_mark_lock_holder variable static
* Make GC_print_trace always thread-safe and remove 'lock' argument
* Mark GC_started_thread_while_stopped() as GC_INNER
* Minimize code duplication in GC_mark_and_push
* Move 'include setjmp.h' from mach_dep.c to gc_priv.h
* Move GC_OPENBSD_UTHREADS definition to private/gcconfig.h (OpenBSD)
* Move GC_get_suspend/thr_restart_signal to misc.c for NaCl and OpenBSD
* Move LOCK/UNLOCK from GC_unregister_disappearing_link_inner outer
* Port BDWGC to Android/x86
* Postpone the suspend signal in GC_dirty_init only if used to stop world
* Prepend '#' symbol to GC number in logged messages
* Prevent POSIX fork if mprotect_thread is started (Darwin)
* Prevent abort on GC_err/warn_printf write failure
* Prevent misleading AC_MSG_ERROR/AS_IF errors reported in configure.ac
* Put gc_cpp symbols into 'boehmgc' namespace if GC_NAMESPACE defined
* Recognize GC_DONT_GC macro in gc.h (causes GC_INIT to turn off GC)
* Recognize GC_SIG_SUSPEND and GC_SIG_THR_RESTART tuning macros in gc.h
* Redirect WRITE to __android_log_write if GC_ANDROID_LOG (Android)
* Refine comment of GC_is_heap_ptr and GC_thread_is_registered in gc.h
* Register dynamic libraries via dl_iterate_phdr on Android and OpenBSD
* Remove DebugBreak on WriteFile failure (Win32)
* Remove GC_BUILD definition from build scripts
* Remove abort on open log failure from GC_write (Win32)
* Remove configure.ac outdated revision number
* Remove nested EXPECT in GC_core_finalized_malloc
* Remove nested always-false ifdef for HPUX and FREEBSD
* Remove redundant GC_err_printf before abort
* Remove unused UTHREAD_SP_OFFSET macro (OpenBSD)
* Rename subthread_create to subthreadcreate_test (Makefile)
* Replace GC_COND_LOG_PRINTF calls with WARN for allocation failure messages
* Replace GC_log/err_printf() followed by ABORT with ABORT_ARGn()
* Replace GC_stats_log_printf with GC_DBG/INFOLOG_PRINTF
* Replace SIG_SUSPEND/THR_RESTART macros to variables in pthread_stop_world
* Replace Win32 GC_delete_gc_thread with GC_delete_gc_thread_no_free
* Replace conditional GC_log_printf calls with GC_COND/VERBOSE_LOG_PRINTF
* Replace sprintf with defensive snprintf
* Replace var-args GC_noop with GC_noop6 (to eliminate Clang warning)
* Simplify LOCK/UNLOCK macro definition for static code analysis tools
* Specify GC_malloc result is unused in some tests
* Specify GC_pthread_join result is unused in threadkey_test
* Specify LT_INIT in configure.ac
* Start of port to QNX
* Support rthreads introduced in OpenBSD 5.2+
* Suppress 'GC_dont_gc deprecated' warning in gc.h if GC_DONT_GC
* Tag GC malloc routines with alloc_size attribute for Clang 3.2+
* Test NO_WRAP_MARK_SOME macro to suppress WRAP_MARK_SOME-specific code
* Turn off GC_LOOP_ON_ABORT functionality if GC compiled with NO_DEBUGGING
* Turn on world-stop delay logging at debug level by default for Android
* Use EXPECT in GC_COND/VERBOSE_LOG_PRINTF
* Use GC_log_printf for logging instead of GC_[err_]printf
* Use compiler TLS for Android NDK gcc/arm
* Use memcpy (BCOPY) instead of strcpy (to suppress GCC warning)
* Use pthread API to operate thread-local data on Linux if no compiler TLS
* Workaround 'ELF_DATA/EM_ALPHA redefined' warning in Android linker.h
* Workaround 'unresolved __tls_get_addr' error for Android NDK Clang
Also, includes 7.2e, 7.2d, 7.2c, 7.2b changes
== [7.3alpha2] 2012-05-11 ==
* Add 'const' qualifier to pointer argument of some API functions
* Add GC_UNDERSCORE_STDCALL, UNICODE macro templates to configure (Win32)
* Add GC_get_thr_restart_signal, GC_thread_is_registered to GC API
* Add GC_is_heap_ptr, GC_move_disappearing_link to GC API
* Add SHORT_DBG_HDRS macro template to configure
* Add Symbian port to mainline (porting done by Djamel Magri)
* Add TODO file
* Add assertion ensuring proper alignment of 'pushed' GC symbols
* Add assertion in GC_getspecific on qtid
* Add assertion to GC_incremental_protection_needs, refine documentation
* Add assertion to check GC_large_free_bytes by GC_finish_collection
* Add configure option to compile all library .c files into single gc.o
* Add cordtest to make check
* Add disclaim callbacks for efficient finalization (ENABLE_DISCLAIM)
* Add finalization.html to 'doc' folder
* Add javaxfc.h to the installation set of GC header files (configure)
* Add on-heap-resize event notification to API
* Adjust GC_log_printf format specifiers (regarding signed/unsigned long)
* Adjust GC_requested_heapsize on GC_init if GC_INITIAL_HEAP_SIZE given
* Allow GC_exclude_static_roots() region start to be unaligned
* Allow Win32 DllMain chaining on the client side
* Allow to exclude finalization support by GC_NO_FINALIZATION macro
* Allow to get memory via Win32 VirtualAlloc (USE_WINALLOC) on Cygwin
* Avoid unnecessary GC_find_limit invocation if GC_no_dls
* Avoid use of deprecated GC_dont_gc and GC_stackbottom in gctest
* Cast pointers to word (instead of unsigned long) in specific.h
* Changed the order in autogen.sh so ltmain exists in time for automake
* Declare privately and use handy GC_base_C() for constant object pointers
* Define GC_DLL if DLL_EXPORT at GC build (for Cygwin/MinGW)
* Define GC_READ_ENV_FILE in configure for WinCE unless gc-debug is off
* Do not compile backgraph.c unless configure '--enable-gc-debug'
* Do not compile pthread_stop_world.c for Cygwin/Darwin (configure)
* Do not install ancient new_gc_alloc.h broken for modern STL (configure)
* Enable GC_MIN_MARKERS to set minimal number of pthread-based markers
* Enable PARALLEL_MARK and THREAD_LOCAL_ALLOC for FreeBSD in configure
* Enable parallel mark by default in configure (Darwin/Linux/Solaris/Win32)
* Export GC_is_marked, GC_clear/set_mark_bit (for mark-bit manipulation)
* Extend thread-related debug messages
* Fix 'configure --enable-cplusplus' for Cygwin/MinGW
* Fix DATASTART (and other minor improvements) for NaCl target
* Fix GC_setspecific to prevent garbage collection inside
* Fix compiler warning in cordtest
* Fix minor warnings reported by GCC with '-pedantic' option
* Fix static data roots registration on Android (if GC is shared)
* Implement GC_get_stack_base for Darwin for single-threaded mode
* Improve GC_allochblk algorithm of block splitting when unmapping enabled
* Improve GC_collect_or_expand algorithm for many finalizers registered case
* In tests, print a message in case a test is a no-op
* Instruct configure to hide internal libgc.so symbols if supported by GCC
* Log amount of unmapped memory (if enabled) on marking-for-collection
* Make __data_start a weak symbol to allow loading modules on mips
* Move "cord" library tests to "cord/tests" folder
* Move asm machine-dependent files to "src" folder
* Move build tools sources to "tools" folder
* Move cord_pos.h to public headers folder
* Open log file in APPEND mode on Win32 (similar that on Unix/Cygwin)
* Optimize some functions by moving pthread_self calls out of LOCK section
* Place only major per-release changes description to ChangeLog (this file)
* Prevent compiler warnings in GC_FindTopOfStack and GC_ports (Darwin)
* Recognize GC_LOG_TO_FILE_ALWAYS macro to log to 'gc.log' by default
* Remove all auto-generated files from the repo
* Remove binary icon file for de_win
* Remove cordtest from "cord" library
* Remove duplicate MacOS_Test_config.h file
* Remove gc_amiga_redirects.h (included internally) from public headers
* Remove obsolete Makefile.DLL (superseded by Cygwin/MinGW configure)
* Remove obsolete unused asm files for ALPHA, HPUX, SGI, RS6000, ULTRIX
* Remove unsupported MMAP_STACKS (specific to Solaris threads)
* Remove unused ancient SILENT, __STDC__, NO_SIGNALS macros
* Replace ARGSUSED comment-based annotation with GCC 'unused' attribute
* Replace GC_ms_entry declaration with opaque definition for public API
* Replace long GC_markers global variable with int GC_markers_m1
* Replace pointer relational comparisons with non-pointer ones
* Replace printf PRIxMAX specifier with '%p' for thread id debug output
* Require autoconf 2.61 instead of v2.64
* Simplify autogen.sh (use autoreconf)
* Split GC_abort with GC_on_abort and abort() invoked from ABORT
* Support GC_ATTR_MALLOC for MS VisualStudio
* Tag auxiliary malloc-like API functions with 'malloc' attribute
* Tag deprecated variables in GC API
* Tag must-be-non-null arguments of GC API functions
* Turn on "extra" GCC warnings
* Turn on unused-parameter checking for GCC
* Update AUTHORS file
* Use EXPECT for checking various 'initialized' boolean variables
* Use USE_COMPILER_TLS on Cygwin
* Use pthread_key for thread-local storage on FreeBSD
* Use union of AO_t and word to favor strict-aliasing compiler optimization
Also, includes 7.2 changes
== [7.2r] 2024-02-03 ==
* Fix 'g++ not found' error on OpenBSD (Makefile.direct)
* Fix 'implicit declaration of iscntrl()' warning in cord/de_win (MinGW)
* Fix 'info' buffer potential overrun in GC_save_callers
* Fix 'missing sysconf() prototype' gcc error in setjmp_t tool (OpenBSD)
* Fix SVR4 macro definition order
* Fix asm constraint in LONG_MULT for gcc/x86
* Fix assertion violation in GC_get_maps on Linux if malloc redirection
* Fix bitwise negation and rounding direction in setjmp_t tool
* Fix closing bracket placement for case statement in configure
* Fix indent of a closing curly brace in GC_forward_exception
* Fix missing outermost parentheses in CORD_pos_cur_char_addr
* Fix missing type widening before left shift in GC_MAKE_PROC
* Fix misspelled GC_HEADERS_H macro in gc_priv.h
* Fix null dereference in check_finalizer_nested if redirect malloc on Linux
* Fix posix_memalign() to overwrite pointer storage only on success
* Fix skipped removal of page protection in case of address hash collision
* Fix typos in comments
* Fix update of last_back_trace_gc_no if KEEP_BACK_PTRS is not defined
== [7.2q] 2023-05-25 ==
* Fix CORD_next() indent inside loop in test_basics() of cordtest
* Fix DCL_LOCK_STATE placement in GC_set_oom_fn
* Fix GC_excl_table overrun on overflow in GC_exclude_static_roots
* Fix IRIX5 defined wrongly on Tandem S-Series and WinCE/mips
* Fix comparisons to heap boundary in GC_get_back_ptr_info and GC_mark_from
* Fix disabling of automatic dynamic libraries registration
* Fix double initialization of main thread local free lists on Win32
* Fix joinable threads shutdown on NaCl
* Fix loop condition over dll_thread_table in GC_lookup_pthread (Win32)
* Fix missing GC_CALLBACK for GC_waitForSingleObjectInfinite
* Fix missing libalphagc.so dependency in Makefile.direct
* Fix missing result check of pthread_attr_getdetachstate in pthread_create
* Fix overlapping region assertion in mark_some if malloc redirect on Linux
* Fix potential SIGSEGV on out-of-memory in gctest
* Fix typos in comments and documentation
* Fix unregistering of thread created by intercepted pthread_create on NaCl
* Fix use of unset errno after pthread_create call
* Invoke GC_oom_fn if GC_make_array_descriptor failed because of no memory
== [7.2p] 2022-08-25 ==
* Avoid potential race in GC_init_real_syms after GC_allow_register_threads
* Define SUNOS5SIGS macro for kFreeBSD
* Do not assert that GC is initialized at DLL_THREAD_DETACH (Win32)
* Ensure typed objects descriptor is never located in the first word
* Fix GC_make_descriptor for zero length argument
* Fix SUNOS5SIGS documentation to match macro definition in gcconfig.h
* Fix assertion violation in GC_allow_register_threads on Windows
* Fix get_maps failure when GC_repeat_read returns zero
* Fix hb_obj_kind type in documentation (ASCII diagram) describing hblkhdr
* Fix missing lock when GC_generate_random_valid_address is called
* Fix nodist_libgc_la_SOURCES value in Makefile.am for Solaris/sparc
* Fix oldProc initialization in gc_cleanup and eliminate related warnings
* Fix parallel_initialized assertion violation in initsecondarythread (Win32)
* Fix propagation of out-of-memory occurred in GC_make_sequence_descriptor
* Fix race between calloc_explicitly_typed and push_complex_descriptor
* Fix typos in comments of .c files, gc.h and a typo in debugging.html
* Refer to Makefile.direct instead of deleted Makefile file in README
* Remove checking of RS6000 completely
* Remove non-working check of M68K in gctest
* Revert addition of msvc_dbg.h in include.am
== [7.2o] 2021-09-28 ==
* Add loop to handle abort error like in suspend logic on Darwin
* Disable mprotect-based incremental GC if /proc roots are used (Linux)
* Explicitly zero-initialize trace_buf (fix trace_buf initialization)
* Fix 'ACCESS_VIOLATION in marker' GC warning on Win32 async thread start
* Fix 'GC_generic_malloc must be available' GCC error in new_gc_alloc.h
* Fix 'expected function body after declarator' clang error in gc_cpp.cc
* Fix 'write to GC log failed' error
* Fix GC_proc_fd value in child process at fork (Solaris)
* Fix assertion violation in register_dynlib_callback on Android
* Fix configure message about 'AIX gcc optimization fix'
* Fix data race regarding *rlh value in generic_malloc_many
* Fix first_thread stack_base initialization if custom GC_stackbottom (Win32)
* Fix fread failure after enable_incremental if malloc is redirected (Linux)
* Fix gc_cflags variable name in configure (HP/UX)
* Fix handling of areas smaller than page size on recycle scratch area
* Fix incorrect define GC_OPENBSD_THREADS on sparc64
* Fix misaligned tlfs passed to AO_load on m68k
* Fix missing GC_quiet declaration in pcr_interface.c
* Fix missing gc_dlopen.c in CMake script
* Fix missing scratch_last_end_ptr update (Irix)
* Fix overflow of scratch_free_ptr value
* Fix page_was_[ever_]dirty() for static roots (Solaris)
* Fix printf format specifier in simple_example.html
* Fix save_callers for multi-threaded case if built-in backtrace unavailable
* Fix various typos in comments and documentation files
* Fix word size, data start and alignment for OpenBSD/mips64(el)
* Prevent WARN of incompatible incremental GC if default or manual VDB
* Reduce a time period between GetExitCodeThread and SuspendThread (Win32)
* Remove a misleading comment about Solaris in gc.h
== [7.2n] 2019-03-01 ==
* Fix 'mprotect remapping failed' abort on NetBSD with PaX enabled
* Fix 'unexpected mark stack overflow' abort in push_all_stack
* Fix BSD_TIME variant of MS_TIME_DIFF for the case of a.tv_usec < b.tv_usec
* Fix GetThreadContext stale register values use if WoW64 (Win32)
* Fix executable memory allocation in GC_unix_get_mem
* Fix invalid initializer of CLOCK_TYPE variables if BSD_TIME
== [7.2m] 2018-12-11 ==
* Fix comment typos in CMakeLists.txt, backgraph.c, de.c, gcconfig.h
* Fix hbp overflow in GC_install_counts
* Fix start_world not resuming all threads on Darwin
* Guard against potential buffer overflow in CORD_next and CORD_pos_fetch
== [7.2l] 2018-08-10 ==
* Fix 'pointer arithmetic with NULL' code defect in print_callers
* Fix Borland version in documentation to match that in BCC_MAKEFILE
* Fix comment about inv_sz computation in setup_header
* Fix comments style in configure.ac and Makefile.am
* Fix GC_is_valid_displacement and GC_is_visible for non-small objects
* Fix global operator delete definition for C++14 in gc_cpp
* Fix infinite restarting of mark_some when a static root disappeared (Linux)
* Fix large object base computation in PUSH_CONTENTS() if MARK_BIT_PER_OBJ
* Fix mark stack overflow checking in push_selected
* Fix MSWIN32 macro redefinition (WCC)
* Fix potential null dereference in GC_CONS
* Fix register_dynamic_libraries on Windows 10
* Fix result computation in n_set_marks
* Fix return type in GC_set_warn_proc API documentation
* Fix typo in comment for CORD_ec_flush_buf prototype
* Fix typos in ChangeLog
* Fix VirtualQuery call in case of malloc failure (Win32)
* Install gc.3 man page instead of copying gc.man to doc folder (configure)
* Perform thread_suspend in loop as it may be interrupted (Darwin)
* Workaround 'template-id not supported in this context' compiler error (WCC)
== [7.2k] 2018-04-19 ==
* Fix arguments delimiter in pcr_interface.c (PCR)
* Fix assertion violation in DllMain of win32_threads
* Fix data race during apply_to_each_object(reset_back_edge)
* Fix dbg_mlc.c/o file name in documentation
* Fix include gc_gcj.h in thread_local_alloc.c
* Fix man section number (3)
* Fix missing GC_generic_malloc_words_small implementation in new_gc_alloc.h
* Fix missing SIGBUS handler setup for kFreeBSD
* Fix null dereference in print_callers on backtrace_symbols failure
* Fix the collector hang when it is configured with --enable-gc-debug
* Fix thread_suspend fail for threads registered from key destructor (OS X)
* Fix typo in AIX macro name
* Fix typo in comment in specific.h
== [7.2j] 2018-01-21 ==
* Fix GC allocation mutex in child after a fork
* Fix last_reclaimed..gc_no interval comparison to threshold in unmap_old
* Fix libgc version which was changed in linkage breaking way
* Fix missing EOLn output in threadlibs tool
== [7.2i] 2017-12-21 ==
* Avoid data race in finalized_count (gctest)
* Fix assertion violation about disabled cancel in try_to_collect_inner
* Fix data race in a list referenced by A.aa (gctest)
* Fix data race in do_local_mark when comparing active_count to helper_count
* Fix data race in GC_init_explicit_typing
* Fix data race in last_stop_count access (suspend_handler_inner)
* Fix data race in mark_thread when updating mark_no
* Fix data race when getting object size in explicitly-typed allocators
* Fix lack of barriers to synchronize memory for suspend_handler
* Fix typos in cdescr.html, extend_size_map and ews4800 doc, README.sgi
* Prevent 'Unexpected heap growth' in single-threaded gctest (Linux/x64)
== [7.2h] 2017-10-12 ==
* Add gctest as a test (CMake)
* Change no-argument functions declaration style to ANSI C (extra files)
* Do not allow SHORT_DBG_HDRS if KEEP_BACK_PTRS or MAKE_BACK_GRAPH
* Ensure oom_fn callback executed on out-of-memory in calloc
* Fix '~' operator application to unsigned values shorter than word
* Fix 'context local variable might be clobbered by setjmp' compiler warning
* Fix 'doc' files installation folder
* Fix 'shift count >= width of type' compiler warning in GC_SQRT_SIZE_MAX
* Fix ALL_INTERIOR_POINTERS name in comments and documentation
* Fix AO_SRC_DIR target name in NT_*_MAKEFILE
* Fix assertion in GC_mark_from for non-heap regions
* Fix assertion in GC_steal_mark_stack for non-heap regions
* Fix assertion violation in GC_repeat_read if --enable-redirect-malloc
* Fix assertion violation in GC_wait_builder called from start_mark_threads
* Fix assertion violation in mark_local checking GC_mark_stack_top
* Fix assertion violation in return_single_freelist in child process
* Fix bm_huge initialization for 64-bit targets (gctest)
* Fix broken external links in documentation
* Fix bytes count passed to add_to_our_memory in backgraph new_back_edges
* Fix calloc_explicitly_typed in case of lb*n overflow
* Fix CMake warning about CMP0054 by unquoting instances of HOST
* Fix conditional expression in pos_fetch, next non-macro definitions (cord)
* Fix configure --disable-munmap handling
* Fix CORD_substr_closure for the case when CORD_from_fn returns C string
* Fix crash in FirstDLOpenedLinkMap if app linked statically (Alpine Linux)
* Fix double lock in pthread_detach (Cygwin, winpthreads)
* Fix double multiplication of lb by n in calloc_explicitly_typed
* Fix enable_parallel_mark condition in CMake script
* Fix external libatomic_ops pkg-config-based detection
* Fix gc_allocator.h file name in new_gc_alloc.h comment
* Fix gc_backptr.h, gc_mark.h, GC_DS_TAGS names in documentation
* Fix gc_cleanup destructor for non-heap objects (gc_cpp)
* Fix GC_collect_or_expand to prevent allocation size value wrap-around
* Fix GC_incremental declaration/definition type mismatch
* Fix GC_mark_stack_top assertion violation properly in mark_local
* Fix GC_remove_specific invocation from remove_all_threads_but_me
* Fix GC_requested_heapsize increment in GC_init
* Fix GC_setspecific to prevent garbage collection inside
* Fix GC_SIZE_MAX definition (Linux/musl-gcc)
* Fix GCJ support in CMake build script
* Fix gctest crash if configure --enable-handle-fork on Darwin
* Fix get_maps on proc maps file asynchronous growth
* Fix hb_n_marks underflow in clear_fl_marks if MARK_BIT_PER_OBJ
* Fix header filename in gcconfig.h comment
* Fix infinite mark_some calls after memory mapping disappeared (Glibc)
* Fix integer shift undefined behavior in GC_init_explicit_typing
* Fix leak_test crash in print_callers if free() is redirected
* Fix Makefile.direct recursive invocation
* Fix malloc routines to prevent size value wrap-around (fix CVE-2016-9427)
* Fix missing win32_threads.c compilation for Cygwin (CMake)
* Fix MS VC warning about compiling unused checksums and thread_local_alloc
* Fix name typos in GC_FAST_MALLOC_GRANS comment
* Fix null dereference in reclaim_block if DONT_ADD_BYTE_AT_END
* Fix OSF1 host pattern in CMakeLists.txt
* Fix PCR-Makefile by removing compilation of a missing file
* Fix potential data race in GC_SysVGetDataStart (SPARC)
* Fix potential integer overflow in GC_find_limit_* functions
* Fix printf arguments type in print_callers
* Fix pthread_detach for threads not yet registered (Cygwin, winpthreads)
* Fix pthread_join to avoid thread removal on failure (Cygwin, winpthreads)
* Fix pthread_join when thread is registered in thread key destructor
* Fix push_complex_descriptor to avoid unlimited global mark stack growth
* Fix removal of dead threads in a child process
* Fix SIGSEGV in GC_is_marked when gc_cleanup is used in leak-finding mode
* Fix SIGSEGV in mark_from called from do_local_mark if WRAP_MARK_SOME
* Fix Solaris/sparc detection in case of strict C compliance is enforced
* Fix STACKBOTTOM for Solaris 11/x86
* Fix storage class of local variable in register_dynamic_libraries (Irix)
* Fix tools/setjmp_t hang (OS X)
* Fix typed_test to prevent fails in malloc_explicitly_typed (64-bit)
* Fix undefined HEAP_START in register_dynamic_libraries
* Fix USE_CUSTOM_SPECIFIC mode (if manually enabled) for Win32
* Fix USE_GET_STACKBASE_FOR_MAIN definition in gcconfig.h
* Fix various typos in comments, documentation and printed messages
* Handle load_segs overflow in register_dynlib_callback gracefully
* Prevent misleading AC_MSG_ERROR/AS_IF errors reported in configure.ac
* Replace (fix) 'objs' acronym in comments with 'objects' word
* Revert "Skip GC_DS_PER_OBJECT objs with negative descriptor in GC_mark_from"
* Update documentation about bugs reporting and new releases notification
* Update Download information in GC overview document
* Update shared libraries version info (v7.2)
* Workaround a bug in winpthreads causing parallel marks deadlock (MinGW)
* Workaround missing getcontext() in Docker osrf/ubuntu_32bit
== [7.2g] 2016-05-23 ==
* Fix 'illegal option -xassembler-with-cpp' error (Oracle SunCC)
* Fix 'implicit declaration of function' compiler warnings in cord/de
* Fix CFLAGS in configure regarding -O flag passing to SunCC compiler
* Fix FirstDLOpenedLinkMap for case libgc not 1st dynamically linked (NetBSD)
* Fix GC initialization in cord de_win for Cygwin
* Fix GC_get_stack_base if called before GC_init (Win32)
* Fix OSX issue with pthread_attr_setstacksize failure
* Fix Unicode Win32 API calls in cord de_win
* Fix USE_COMPILER_TLS macro duplicate description in README
* Fix cord de_win WndProc prototype parameters for 64-bit (Win64)
* Fix file descriptor resource leak in GC_register_data_segments (OS/2)
* Fix filename printing in cordtest
* Fix missing cord_pos.h, ec.h among installed headers (Automake)
* Fix missing GC_get_stack_base for Amiga
* Fix missing msvc_dbg.h in dist_noinst_HEADERS (Automake)
* Fix mistyped ARM_THREAD_STATE macro (Darwin/arm)
* Fix null-pointer dereferences on out-of-memory in cord and tests
* Fix potential multiplication overflow in check_heap_stats (gctest)
* Fix race (and potential deadlock) at marker threads initialization
* Fix signedness of char values passed to isspace, iscntrl, isxdigit
* Fix typo (items numbering) in GC_finalize_all documentation
* Fix typos in ERROR_FL, GC_malloc_uncollectable comments
* Fix typos in gc_priv.h, in README for ews4800
* Fix unresolved vsnprintf in misc.c and snprintf in cordtest (DJGPP, VC)
* Fix various spelling errors
* Fix vsprintf_args initialization/cleanup in CORD_vsprintf for EMX
* Regenerate configure files using official libtool release (v2.4.2)
* Remove documentation about obsolete GC_REDIRECT_TO_LOCAL
* Skip GC_DS_PER_OBJECT objects with negative descriptor in GC_mark_from
* windows-untested: Fix paths to msvc_dbg.c/h
== [7.2f] 2014-06-03 ==
* Fix 'Bad signal in suspend_handler' abort on FreeBSD-9.2
* Fix 'source file in a subdirectory' Automake warnings
* Fix ABORT message in GC_restart_handler
* Fix ADD_DEFINITION in CMakeLists.txt for kFreeBSD
* Fix CMakeLists.txt: do not override CMAKE_OSX_ARCHITECTURES
* Fix GC_alloc_large by bumping GC_collect_at_heapsize in GC_add_to_heap
* Fix GC_scratch_last_end_ptr update on GC_scratch_alloc failure
* Fix GET_MEM argument rounding in GC_scratch_alloc and similar
* Fix PARALLEL_MARK for Windows 7+
* Fix build (broken by fenv.h inclusion) on Linux/x86_64 under uClibc
* Fix crash when using GC_malloc_many() as first allocation call
* Fix mark stack excessive growth during parallel mark
* Fix or remove broken URLs in documentation
* Fix out-of-memory case in new_back_edges, push_in_progress (backgraph)
* Fix typo in GC_collect_or_expand comment
* Fix typos in GC overview file, gc_config_macros.h, gc_cpp.h, README.changes
* Regenerate configure files by automake 1.14.1, libtool 2.4.2.418
* Update emails/links due to project site and ML transition
== [7.2e] 2013-11-10 ==
* Add weak attribute to avoid __data_start undefined messages (s390x)
* Add weak stubs for pthread_cancel API
* Adjust 'pthread_[un]register_cancel undefined ref' workaround (Pthreads)
* Append _test suffix to 'initsecondarythread' binary file names
* Enable PARALLEL_MARK and THREAD_LOCAL_ALLOC for FreeBSD in configure
* Fix 'stack section' pointer passed to push_all_stack_sections (Pthreads)
* Fix GC_CreateThread 'dwStackSize' argument type for Win64
* Fix GC_PTHREAD_PTRVAL definition for GC_PTHREADS_PARAMARK (Win32)
* Fix GC_clear_stack by declaring 'dummy' local array as volatile
* Fix GC_get_stack_base assembly code (Cygwin/Clang)
* Fix GC_malloc_explicitly_typed_ignore_off_page for large allocations
* Fix GC_marker_Id elements initialization (WinCE)
* Fix GC_print_trace missing unlock
* Fix GC_unix_mmap_get_mem for open of /dev/zero failure
* Fix GC_win32_free_heap compilation error for Cygwin
* Fix GC_win32_free_heap to prevent memory leak if USE_GLOBAL_ALLOC
* Fix Win32 GC_write preventing potential infinite recursion at abort
* Fix assertion violation in GC_mark_from prefetch loop
* Fix collection of objects referenced only from GC_mark_stack_X variables
* Fix dwSize argument of VirtualFree call in detect_GetWriteWatch (Win32)
* Fix heap sections overflow for Win32/Cygwin with enabled parallel marker
* Fix min_bytes_allocd preventing potential infinite loop in GC_allocobj
* Fix missing tabs in SMakefile.amiga file
* Fix null-pointer dereference in CORD_substr_closure
* Fix old_segv/bus_act variables initialization for FreeBSD
* Fix potential double fclose in test_extras (cordtest)
* Fix pthread_attr_t resource leak in pthread_create
* Fix race in GC_print_all_errors regarding GC_leaked
* Fix sizeof in GC_push_thread_structures
* Fix stackbottom/stack_end assignment in GC_call_with_gc_active
* Fix tests makefile to link with new GNU ld linking rules
* Fix typos in comments and documentation
* Fix unportable '==' test operators in configure
* Fix vsprintf_args cleanup in CORD_vsprintf
* Merge FreeBSD New ports collection for boehm-gc v7.2d
* Replace GC_DBG_RA with GC_DBG_EXTRAS macro
* Replace deprecated [CXX]INCLUDES to AM_C[PP]FLAGS in configure.ac file
* Use __builtin_extract_return_addr in GC_RETURN_ADDR_PARENT (gcc/x86)
== [7.2d] 2012-08-09 ==
* Fix GC_call_with_stack_base to prevent its tail-call optimization
* Fix all address-of-dummy operations by using GC_approx_sp() instead
* Fix stop_info.stack_ptr assignment in GC_suspend_all for OpenBSD
* Fix test_cpp (ensure the collector recognizes pointers to interiors)
* Fix thread-related tests for pthreads-w32
* test_cpp: Fix WinMain to prevent SEGV if zero arguments passed (MinGW)
== [7.2c] 2012-06-11 ==
* Fix CORD_cat_char_star to prevent SEGV in case of out-of-memory
* Fix GC_FirstDLOpenedLinkMap() for NetBSD 6 release
* Fix GC_scratch_alloc and GC_get_maps invocations to prevent SEGV
* Fix visibility of GC_clear/set_mark_bit (unhide symbols)
* Fix visibility of GC_push_all/conditional, GC_push_other_roots symbols
== [7.2b] 2012-05-23 ==
* Fix assertion in GC_malloc_[atomic_]uncollectable (THREADS case only)
== [7.2] 2012-05-11 ==
* Abort in GC_thr_init on pthread_atfork failure (POSIX threads)
* Add GC_WIN32_PTHREADS target in configure
* Add GC_is_disabled new function to GC API
* Add info that getcontext() resets FPE mask no longer on Linux/x86_64
* Add public GC_set_handle_fork to control forked child handling support
* Add realloc_test.c test
* Add support for Hexagon target
* Add thread-safe GC_get_heap_usage_safe to GC API
* Change GC_check_fl_marks prototype and implementation
* Check pthread_create/join result in test
* Define GC_DLL (in configure) if building only dynamic libraries
* Define NO_DEBUGGING (in configure) if "--disable-gc-debug" is set
* Disable incremental mode on Darwin if fork handling requested
* Enable parallel marker in configure for Solaris
* Fix "comparison of signed and unsigned values" compiler warnings
* Fix 'volatile' keyword placement in GC_SysVGetDataStart
* Fix ALIGNMENT, CPP_WORDSZ, GC_GRANULE_BYTES/WORDS for x32 target
* Fix GC_READ_ENV_FILE code for Cygwin
* Fix GC_add_roots_inner for Mac OS X (align segment start)
* Fix GC_check_fl_marks regarding concurrent access
* Fix GC_finalizer_nested size to workaround alignment problem in Watcom
* Fix GC_find_limit_with_bound to always reset fault handler on return
* Fix GC_init static assertion for clang/x64 (Darwin)
* Fix GC_init[_lib_bounds] and GC_get_main_stack_base for malloc redirection
* Fix GC_push_all/selected boundaries check
* Fix GC_register_my_thread marking thread as detached (Cygwin/pthreads-w32)
* Fix GC_remove_all_threads_but_me to cleanup thread-specific data storage
* Fix GC_restart_handler to preserve errno if needed
* Fix GC_root_size update in GC_add_roots_inner (Win32)
* Fix GC_unregister_my_thread to ensure no ongoing incremental GC (Win32)
* Fix GC_with_callee_saves_pushed for clang (disable __builtin_unwind_init)