* Abort if no progress with thread suspend/resume signals resending
* Add CMake option to force libatomic_ops headers usage
* Add _PROP suffix to CORD/GC[CPP]_VERSION variables in CMake script
* Allow not to bypass pthread_cancel hardening in pthread_start
* Allow to start marker threads in child of single-threaded client
* Avoid potential race in GC_init_real_syms after GC_allow_register_threads
* Avoid potential signal loss before sigsuspend in suspend_handler if TSan
* Define SUNOS5SIGS macro for kFreeBSD
* Distribute gc_gcj.h and some other headers in single-obj-compilation
* Donot assert that GC is initialized at DLL_THREAD_DETACH (Win32)
* Donot call SET_HDR() to remove forwarding counts if none exists in hblk
* Donot call mprotect/mmap to GC_unmap/remap (Linux)
* Donot count unmapped regions if GC_unmap is madvise-based (Linux)
* Donot define NEED_FIND_LIMIT in case of OpenBSD user threads
* Donot fail tests if pthread_create returns resource unavailable error
* Donot name GCC intrinsics as C11 ones
* Donot probe to find main data root start if dl_iterate_phdr exists
* Donot send signal to thread which is suspended manually
* Donot use usleep between signals resend if ThreadSanitizer
* Eliminate '-pedantic is not option that controls warnings' GCC-6.3 message
* Eliminate '/GS can not protect parameters' MS VC warning in msvc_dbg
* Eliminate 'R_AARCH64_ABS64 used with TLS symbol' linker warning (clang)
* Eliminate 'buffer overflow detected' FP error in realloc_test
* Eliminate 'extension used' clang warning in sparc_mach_dep.S (configure)
* Eliminate 'function/data pointer conversion in expression' MSVC warning
* Eliminate 'implicit decl of _setjmp' gcc warning if -std=c11 on Cygwin
* Eliminate 'layout of aggregates has changed in GCC 5' warning in test_cpp
* Eliminate 'new_l may be used uninitialized' gcc warning in os_dep (Cygwin)
* Eliminate 'old_gc_no is initialized but not referenced' MS VC false warning
* Eliminate 'possible loss of data' compiler warning in GC_envfile_getenv
* Eliminate 'potentially uninitialized local variable tc' warning (MSVC)
* Eliminate 'skipping config since MAX_HEAP_SECTS is unknown' cppcheck FP
* Eliminate 'unused but set variable' gcc warnings in cpptest
* Eliminate 'value exceeds maximum size' warnings in debug_malloc, huge_test
* Eliminate 'writing into region of size 0' gcc FP warning in realloc
* Eliminate ASan stack-buffer-underflow FP in GC_mark_and_push_stack (E2K)
* Eliminate code defect about incorrect size of allocated object (leaktest)
* Eliminate data race reported by TSan in GC_have_errors
* Eliminate division-by-zero FP warning in GC_ASSERT in reclaim_block
* Eliminate stringop-overflow gcc-12 warning in CORD__next
* Ensure typed objects descriptor is never located in the first word
* Fix 'GC_greatest_stack_base_below is defined but not used' warning (IA64)
* Fix 'GC_text_mapping not used' GCC warning if redirect malloc w/o threads
* Fix 'ISO C forbids conversion of function pointer to object' warning
* Fix 'undeclared getpagesize' compiler warning on AIX and OSF1
* Fix 'undefined reference to __data_start' linker error on Linux/aarch64
* Fix 'unresolved __imp__wsprintfA' linker error in msvc_dbg.c (MSVC)
* Fix 'unresolved symbol GetModuleHandle' error in win32_threads.c (UWP)
* Fix (workaround) stack overflow in gctest on Alpine Linux/s390x
* Fix GC_ATTR_NO_SANITIZE_THREAD definition for GCC
* Fix GC_allocate_ml incorrect cleanup in GC_deinit if pthreads (MinGW)
* Fix GC_dirty() argument in GC_malloc_explicitly_typed_ignore_off_page
* Fix GC_make_descriptor for zero length argument
* Fix GC_suspend_thread if called before thread destructor
* Fix GC_unmapped_bytes update in GC_unmap for Sony PS/3
* Fix SIGSEGV caused by dropped stack access from child process in gctest
* Fix SUNOS5SIGS documentation to match macro definition in gcconfig.h
* Fix abort in Win32 DllMain if PARALLEL_MARK
* Fix abort when GC_repeat_read returns zero
* Fix assertion about built-in AO_test_and_set_acquire on sparc64 (gcc-12)
* Fix assertion violation in GC_allow_register_threads on Windows
* Fix assertion violation of GC_thread_key alignment if pthread-based TLS
* Fix comment in GC_init regarding GC_init_parallel call
* Fix context saving when GC_suspend_thread(self)
* Fix data race in fail_proc1 of gctest
* Fix hang in GC_free if GC_PREFER_MPROTECT_VDB (Mingw64)
* Fix hang in select() called from suspend signal handler if TSan
* Fix hang on sem_wait in GC_suspend_thread if thread was resumed recently
* Fix hb_obj_kind type in documentation (ASCII diagram) describing hblkhdr
* Fix incremental mode enabling in gctest if TEST_MANUAL_VDB
* Fix linking of tests in case of finalization is off
* Fix lock assertion violation in GC_find_limit if always multi-threaded
* Fix memory return to OS in GC_unmap
* Fix missing lock when GC_generate_random_valid_address is called
* Fix missing write() declaration if CONSOLE_LOG (Watcom)
* 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 potential race if start_mark_threads called from threads in child
* Fix propagation of out-of-memory occurred in GC_make_sequence_descriptor
* Fix pthread_setname_np and dladdr detection by CMake
* Fix race between calloc_explicitly_typed and push_complex_descriptor
* Fix typos in comments and debugging.md
* Fix undefined __stack_base__ on UWP/arm64 (llvm-mingw)
* Force GC_with_callee_saves_pushed in suspend_handler if NO_SA_SIGACTION
* Link with rt library to get clock_gettime where necessary
* Make finalizer_closure pointer read/write atomic in malloc and callback
* Move platform-specific sleep call to GC_usleep (refactoring)
* Pass -lrt linker option in CMake script on HP/UX, NetBSD
* Prevent (fix) parallel custom mark procs run in single-threaded clients
* Prevent changing of GC_markers_m1 value while collection in progress
* Refer to Makefile.direct instead of deleted Makefile file in README
* Relax assertion of hb_n_marks in reclaim_block if more than two markers
* Remove IF_IA64 macro in pthread_stop_world (refactoring)
* Remove checking of RS6000 completely
* Remove duplicate check of MSWIN_XBOX1 in os_dep.c
* Remove duplicate include gc_tiny_fl.h in gc_priv.h
* Remove non-working check of M68K in gctest
* Remove useless TSan W/A about read of mark_lock_holder for Windows
* Replace RAISE_SIGNAL macro with a static function (refactoring)
* Replace SSH cloning with HTTPS one in README
* Retry pthread_kill if EAGAIN (Linux)
* Revert "Check real-symbols are already initialized in pthread_join/detach"
* Revert "Remove nested always-false ifdef for HPUX and FREEBSD"
* Revert addition of msvc_dbg.h in include.am
* Set default build type to RelWithDebInfo (CMake)
* Start configure help messages with a lower case letter
* Support 'z' format modifier by CORD_vsprintf
* Support Elbrus 2000 (Linux/e2k)
* Support GCC MCF thread model (mcfgthreads) in configure (MinGW)
* Support GC_remove_roots on Win32
* Support OpenBSD/riscv64
* Support build using Makefile.direct on Linux/sparc
* Support space-separated flags in CFLAGS_EXTRA passed to CMake
* Update README.win32 about default build configuration (configure, cmake)
* Update documentation of GC_RATE and MAX_PRIOR_ATTEMPTS
* Use SIGRTMIN+6 as suspend signal if sigrt-signals on OpenBSD
* Use SIGUSR1/2 on FreeBSD/arm64
* Use compiler TLS on NetBSD only if at least gcc-4.4 or clang-3.9
* Workaround 'info is not assigned' cppcheck FP if assertions on (OS X)
* Workaround SIG_SUSPEND delivery to thread inside mutex_lock fail if TSan
* Workaround TSan FP about race between generic_malloc and array_mark_proc
* Workaround TSan FP in acquire_mark_lock called from fork_prepare_proc
* Workaround TSan FP warning in finalized_malloc, push_unconditionally
* Workaround TSan FP warning in fork_prepare_proc
* Workaround TSan FP warning in push_marked1/2/4, ptr_store_and_dirty
* Workaround Thread Sanitizer (TSan) FP warning in is_valid_displacement
* Workaround call stack size exceeded in gctest (Wasm)
* Workaround crash in FreeBSD rand() by avoiding its concurrent usage
* Workaround gctest hang if test compiled as C++ code by MSVC (CMake)
* Workaround msvc_dbg.c build failure on arm[64] (MSVC)
== [8.2.0] 2021-09-29 ==
* Add API for accessing incremental GC time limit with nanosecond precision
* Add API function to force start of incremental collection
* Add GC_ prefix to scan_ptr and some other static variables (refactoring)
* Add GC_get/set_disable_automatic_collection API
* Add I_HOLD_LOCK assertion to expand_hp_inner and related functions
* Add assertion on free-list argument and result of GC_new_kind
* Add assertion that GC is initialized to base incremental_protection_needs
* Add assertions that GC_page_size is initialized
* Add cordtest, staticrootstest, test_cpp, tracetest, disclaim tests (CMake)
* Add debug messages on thread suspend/resume (Win32)
* Add dummy testing of GC_incr_bytes_allocd/freed
* Add table of contents in gcdescr.md
* Add testing of GC_CALLOC/MALLOC_EXPLICITLY_TYPED (gctest)
* Adjust formatting of numbered lists in README.md to match other .md files
* Adjust highlighting of API prototypes in gcinterface.md
* Adjust macro def/usage for AVR32, CRIS, NETBSD, OPENBSD, SH4 in gcconfig.h
* Adjust printf calls in gctest check_heap_stats so that each has new-line
* Allow incremental GC on Cygwin
* Allow memory unmapping in case of MPROTECT_VDB
* Allow to disable GWW or mprotect-based VDB at build
* Allow to disable Glibc FPU exception mask and TSX workarounds (Linux)
* Allow to disable __builtin_return_address(1) usage (x86 and x64)
* Allow to specify custom value of LOG_PHT_ENTRIES
* Always abort on failure to access /proc/self/maps (Linux)
* Always define default_push_other_roots (code refactoring)
* Avoid gcc stringop-overflow warning for intended overflow in smashtest
* Avoid initial 3ms pause on world stop/start with GC_retry_signals (Linux)
* Build cord.lib by Makefile.direct, NT_MAKEFILE, OS2_MAKEFILE, WCC_MAKEFILE
* Build gc as a shared multi-threaded library by default (CMake)
* Build gccpp library by Makefile.direct, NT_MAKEFILE and WCC_MAKEFILE
* Build gctba library
* Build shared libraries by default (WCC_MAKEFILE)
* Change CLOCK_TYPE to timespec for Nintendo Switch (code refactoring)
* Change EMSCRIPTEN macro for internal use to no-underscore format
* Change log_size fields of finalizer to unsigned type (code refactoring)
* Change type of toggleref_array_size/capacity to size_t (code refactoring)
* Check leak of objects allocated by CRT malloc in gctest (MS VC)
* Check real-symbols are already initialized in pthread_join/detach
* Collapse multiple includes of windows.h (code refactoring)
* Comments reformatting in mark.c to properly delimit sentences
* Compile de test GUI app with resources (CMake)
* Compile gc.c unless building static libraries (NT_MAKEFILE, WCC_MAKEFILE)
* Compile msvc_dbg.c by CMake script (MS VC)
* Declare API function and print amount of memory obtained from OS
* Define GC_win32_free_heap API function for all Windows targets
* Define STATIC macro to static by default
* Depend number of fork_a_thread calls on NTHREADS (gctest)
* Detect dladdr() presence in CMake script
* Detect presence of execinfo.h system header in CMake script
* Detect presence of getcontext and dl_iterate_phdr in CMake script
* Detect sigsetjmp() availability in CMake script
* Disable Clang/GCC aliasing optimization in CMake script by default
* Donot build tests by default (Makefile.direct and other Makefiles)
* Donot build the tests by default (CMake)
* Donot call GC_push_conditional unless PROC_VDB
* Donot call add_to_our_memory with null pointer (refactoring)
* Donot compile pthread_*.c files in Cygwin or MSYS (CMake)
* Donot define GC_write_cs for Xbox One target
* Donot define HAVE_NO_FORK for all Unix-like systems
* Donot hard-code CMAKE_DL_LIBS value and install paths (CMake)
* Donot hard-code finalizable objects limit which triggers GC
* Donot update scratch_last_end_ptr unless used by reg dynamic libraries
* Document GC_incr_bytes_allocd/freed API function
* Eliminate '(long)size<=0 is always false' cppcheck FP
* Eliminate 'Consecutive return is unnecessary' cppcheck style warning
* Eliminate 'accessing GC_dont_gc without lock' in GC_init code defect FP
* Eliminate 'bytes_freed access w/o lock in incr_bytes_free' code defect FP
* Eliminate 'checking if unsigned i < 0' cppcheck FP in is_heap_base
* Eliminate 'hash_val value is never used' cppcheck false positive
* Eliminate 'passing tainted var maps_buf to tainted sink' code defect FP
* Eliminate 'retry_cnt is assigned value but never used' cppcheck FP
* Eliminate 'stop variable is always 0' compiler warning in print_callers
* Eliminate 'struct member os_callback is never used' cppcheck warning
* Eliminate 't->flags not atomically updated' code defect FP
* Eliminate 'tmpl might be accessed at non-zero index' cppcheck error
* Eliminate GCC warning of unsafe __builtin_return_address(1)
* Eliminate code duplication in reclaim_clear and disclaim_and_reclaim
* Eliminate double lock code defect false positive in generic_lock
* Eliminate memory leak reported in add_current_malloc_heap at exit (Win32)
* Emscripten single-threaded support (detect stack base, push registers)
* Enable CMake-based build for Borland and Watcom compilers
* Enable compilation without C runtime (Win32)
* Enable fork testing in single-thread builds (Unix-like)
* Enable mprotect-based incremental GC for Linux/arm and Linux/aarch64
* Enable true incremental collection even if parallel marker is on
* Enable use of __builtin_unwind_init() if clang-8 or later
* Ensure ELFSIZE is defined in dyn_load.c for OpenBSD (code refactoring)
* Ensure add_to_heap_inner arguments are valid (refactoring)
* Ensure all getters and setters are run at least once by gctest (pthreads)
* Export CMake targets with namespace BDWgc
* Fix 'const obj must be initialized if not extern' error in gc_alloc_ptrs.h
* Fix ./libgc.la dependency on FreeBSD (Automake)
* Fix HOST determination in CMake script
* Fix copyright message in de_win.rc, gc_cpp.cc, ec.h and specific.h
* Fix missing OS_TYPE definition for some targets
* Fix mmap(PROT_NONE) failure if RLIMIT_AS value is low (Linux)
* Generate cordtest and de executable files in GC base folder
* Generate pkg-config metadata file (CMake)
* Get rid of some non-ELF ifdefs (code refactoring)
* Handle potential incomplete buffer read in GC_linux_main_stack_base
* Implement GET_TIME for Nintendo Switch
* Increase NTHREADS value in tests if code coverage analysis
* Install docs and man page if enable_docs (CMake)
* Install gc_gcj.h and gc_pthread_redirects.h only if appropriate
* Log abort message details even ifnot print_stats (unless SMALL_CONFIG)
* Mark buffer returned by get_maps as const (code refactoring)
* Move C++ GC_ATTR_EXPLICIT and GC_NOEXCEPT definition to gc_config_macros.h
* Move GC state non-pointer variables into GC_arrays (code refactoring)
* Move GC state pointer variables into GC_arrays
* Move GC_scratch_recycle_inner() to alloc.c (refactoring)
* Move GC_throw_bad_alloc definition to new C++ file
* Move QNX and Emscripten macro definitions to proper place in gcconfig.h
* Move definition of GC_n_mark_procs and GC_n_kinds from mark.c to misc.c
* New API (GC_set_markers_count) to control number of parallel markers
* New API function to clear GC exclusion table
* New API function to get size of object debug header
* New API standalone functions to acquire and release the allocator lock
* New CMake option (disable_gc_debug) to remove debugging code
* New CMake option (disable_handle_fork) to disable fork handling completely
* New macro (CONSOLE_LOG) to enable logging to console on Win32
* New macro (GCTEST_PRINT_VERBOSE) to enable verbose logging in test.c only
* New macro (NO_MSGBOX_ON_ERROR) to avoid message box on GC abort (Win32)
* OpenBSD does not use ELF_CLASS (code refactoring)
* Pass -D GC_DLL -fvisibility=hidden ifdefault configure build is requested
* Pass -no-undefined linker flag if building shared libraries (CMake)
* Print pid of child processes if verbose logging (gctest)
* Read environment variables from a file on WinCE (CMake script)
* Reduce stack-allocated buffer in get_nprocs from 4KB to 1.7KB
* Refine flags field comment in pthread_support.h
* Reflect result of VDB selection at runtime in incremental_protection_needs
* Reformat code of GC_push_roots
* Reformat gc.man (wrap long lines)
* Reformatting and code refactoring of CMake script
* Remove 'current users' section from overview.md
* Remove 'distributed ports', 'scalable versions' sections from overview.md
* Remove AC_MSG_RESULT for THREADDLLIBS (dgux386)
* Remove Borland-specific Makefile and gc.mak script
* Remove GC_eobjfreelist variable in typd_mlc.c (code refactoring)
* Remove GC_gcj_malloc_initialized variable (code refactoring)
* Remove Linux-specific commands for building cord/de from Makefile.direct
* Remove Win32 main_thread static variable if threads discovery is disabled
* Remove code duplication between GC_unmap and GC_unmap_gap (refactoring)
* Remove code duplication between PROTECT and UNPROTECT macros (refactoring)
* Remove commented out assignment of gc_use_mmap in configure (refactoring)
* Remove dash characters comprising prefix of some verbose logs (gctest)
* Remove dependency on user32.dll import library from static libgc (Win32)
* Remove documentation specific to particular old BDWGC releases
* Remove duplicate Linux-related macro definitions in gcconfig.h
* Remove duplicate macro definitions in gcconfig.h except for Linux
* Remove gcmt-dll generation, rename libgc-lib.a to libgc.a (CMake)
* Remove goto statement in print_callers (code refactoring)
* Remove limit on number of heap sections
* Remove new_gc_alloc.h file
* Remove redundant GC_with_callee_saves_pushed call in multi-threaded builds
* Remove redundant check of GC_free argument in register_finalizer
* Remove redundant type casts in backgraph HEIGHT_UNKNOWN/IN_PROGRESS
* Remove unused GC_prev_heap_addr (refactoring)
* Remove unused STACK_GRAN macro definitions (code refactoring)
* Remove unused sparc_sunos4_mach_dep.s file
* Remove useless empty statements after block ones (refactoring)
* Remove weakobj_free_list variable in disclaim_weakmap_test (refactoring)
* Rename READ to PROC_READ in os_dep.c (code refactoring)
* Rename cord/cord test executable to de (CMake)
* Rename ext_descr to typed_ext_descr_t (code refactoring)
* Rename gc64.dll to gc.dll and gc[64]_dll.lib to gc.lib in NT_MAKEFILE
* Rename gc68060.lib to gc.lib, cord/cord68060.lib to cord.lib in SMakefile
* Rename make_as_lib option to enable_static in NT_MAKEFILE and WCC_MAKEFILE
* Rename nothreads option to disable_threads in NT_MAKEFILE
* Repeat run_one_test NTHREADS times by gctest if single-threaded
* Replace "msecs" with "ms" in all comments and messages
* Replace 'stack base' with 'stack bottom' in the documentation
* Replace SN_TARGET_ORBIS to PLATFORM_* and GC_NO_* macros
* Replace _M_AMD64 macro with _M_X64 (code refactoring)
* Replace find_limit_openbsd to find_limit_with_bound (OpenBSD 5.2+)
* Replace obsolete AC_HELP_STRING with AS_HELP_STRING (refactoring)
* Replace push_one calls with push_many_regs one for Win32 thread context
* Report memory region bounds and errno on GC_unmap/remap failure
* Report presence of process fork testing (gctest)
* Report time with a nanosecond precision where available
* Retry suspend/resume signals on all platforms by default
* Run tree and typed tests in child process (gctest)
* Set GC_collecting hint for GC_collect_a_little_inner calls (pthreads)
* Set name of GC marker threads
* Set so-version for installed shared libraries (CMake)
* Simplify logged message in scratch_recycle
* Simplify loops of collect_a_little/stopped_mark invoking mark_some
* Support -fvisibility=hidden option in CMake script
* Support CFLAGS_EXTRA to pass extra user-defined compiler flags (CMake)
* Support FreeBSD/RISC-V, Linux/arc, LoongArch, OpenBSD/powerpc64
* Support header files installation (CMake)
* Support most configure options in CMake script
* Suppress warnings in test_tinyfl() of gctest reported by Watcom C complier
* Take nanoseconds into account when updating full_gc_total_time
* Turn off C++ API by default, export it in gccpp library (CMake)
* Turn on automatic fork() handling by default on Android
* Update README.cmake regarding Unix, C++ and tests
* Update libgc.so version info to differentiate against v8.0.x
* Update the ASCII diagrams describing the tree structure for pointer lookups
* Update the documentation to match the current GC implementation
* Upgrade cmake_minimum_required(version) to 3.1
* Use CreateThread without GC_ prefix in gctest (code refactoring)
* Use KB/MB/GB abbreviations uniformly across entire documentation
* Use USE_MMAP_ANON when USE_MMAP is configured on OpenBSD
* Use a specific Emscripten allocator for Tiny
* Use atomic primitives for Sony PlayStation Portable 2 and PS4
* Use better precision Windows timers
* Use clock_gettime() instead of clock() on Cygwin and Linux
* Use compiler TLS on FreeBSD and NetBSD
* Use mprotect-based VDB on PowerPC and S390 (Linux)
* Use soft dirty bits on Linux (i386, powerpc, s390, x86_64)
* Workaround 'condition result<=0 is always false' cppcheck FP in get_maps
* Workaround 'push_regs configured incorrectly' error (GCC-11)
* Workaround 'same value in both branches of ternary operator' cppcheck FP
* Workaround various cppcheck false positives
== [8.0.8] 2022-08-26 ==
* Avoid potential race in GC_init_real_syms after GC_allow_register_threads
* Define SUNOS5SIGS macro for kFreeBSD
* Distribute gc_disclaim.h in single-obj-compilation
* Donot assert that GC is initialized at DLL_THREAD_DETACH (Win32)
* Donot name GCC intrinsics as C11 ones
* Donot send signal to thread which is suspended manually
* Eliminate 'buffer overflow detected' FP error in realloc_test
* Eliminate 'extension used' clang warning in sparc_mach_dep.S (configure)
* Eliminate 'function/data pointer conversion in expression' MSVC warning
* Eliminate 'implicit decl of _setjmp' gcc warning if -std=c11 on Cygwin
* Eliminate 'new_l may be used uninitialized' gcc warning in os_dep (Cygwin)
* Eliminate 'old_gc_no is initialized but not referenced' MS VC false warning
* Eliminate 'possible loss of data' compiler warning in GC_envfile_getenv
* Eliminate 'value exceeds maximum size' warnings in debug_malloc, huge_test
* Eliminate 'writing into region of size 0' gcc FP warning in realloc
* Eliminate division-by-zero FP warning in GC_ASSERT in reclaim_block
* Eliminate stringop-overflow gcc-12 warning in CORD__next
* Ensure typed objects descriptor is never located in the first word
* Fix 'GC_greatest_stack_base_below is defined but not used' warning (IA64)
* Fix 'GC_text_mapping not used' GCC warning if redirect malloc w/o threads
* Fix 'ISO C forbids conversion of function pointer to object' warning
* Fix 'undeclared getpagesize' compiler warning on AIX and OSF1
* Fix 'undefined reference to __data_start' linker error on Linux/aarch64
* Fix GC_allocate_ml incorrect cleanup in GC_deinit if pthreads (MinGW)
* Fix GC_dirty() argument in GC_malloc_explicitly_typed_ignore_off_page
* Fix GC_make_descriptor for zero length argument
* Fix GC_suspend_thread if called before thread destructor
* Fix GC_unmapped_bytes update in GC_unmap for Sony PS/3
* Fix SIGSEGV caused by dropped stack access from child process in gctest
* Fix SUNOS5SIGS documentation to match macro definition in gcconfig.h
* Fix abort in Win32 DllMain if PARALLEL_MARK
* Fix assertion about built-in AO_test_and_set_acquire on sparc64 (gcc-12)
* Fix assertion violation in GC_allow_register_threads on Windows
* Fix assertion violation of GC_thread_key alignment if pthread-based TLS
* Fix context saving when GC_suspend_thread(self)
* Fix data race in fail_proc1 of gctest
* Fix get_maps failure when GC_repeat_read returns zero
* Fix hang in GC_free if GC_PREFER_MPROTECT_VDB (Mingw64)
* Fix hang in select() called from suspend signal handler if TSan
* Fix hang on sem_wait in GC_suspend_thread if thread was resumed recently
* Fix hb_obj_kind type in documentation (ASCII diagram) describing hblkhdr
* Fix incremental mode enabling in gctest if TEST_MANUAL_VDB
* Fix lock assertion violation in GC_find_limit if always multi-threaded
* 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 potential race if start_mark_threads called from threads in child
* Fix propagation of out-of-memory occurred in GC_make_sequence_descriptor
* Fix race between calloc_explicitly_typed and push_complex_descriptor
* Fix stack overflow in gctest on Alpine Linux/s390x
* Fix typo in debugging.html
* Fix typos in comments of .c files and gc.h
* Fix undefined __stack_base__ on UWP/arm64 (llvm-mingw)
* Make finalizer_closure pointer read/write atomic in malloc and callback
* Prevent (fix) parallel custom mark procs run in single-threaded clients
* Prevent changing of GC_markers_m1 value while collection in progress
* Refer to Makefile.direct instead of deleted Makefile file in README
* Relax assertion of hb_n_marks in reclaim_block if more than two markers
* Remove checking of RS6000 completely
* Remove duplicate check of MSWIN_XBOX1 in os_dep.c
* Remove non-working check of M68K in gctest
* Remove useless TSan W/A about read of mark_lock_holder for Windows
* Replace SSH cloning with HTTPS one in README
* Revert "Remove nested always-false ifdef for HPUX and FREEBSD"
* Revert addition of msvc_dbg.h in include.am
* Support 'z' format modifier by CORD_vsprintf
* Update documentation of GC_RATE and MAX_PRIOR_ATTEMPTS
* Use SIGRTMIN+6 as suspend signal if sigrt-signals on OpenBSD
* Workaround TSan FP about race between generic_malloc and array_mark_proc
* Workaround TSan FP warning in finalized_malloc, push_unconditionally
* Workaround TSan FP warning in push_marked1/2/4, ptr_store_and_dirty
* Workaround Thread Sanitizer (TSan) FP warning in is_valid_displacement
* Workaround crash in FreeBSD rand() by avoiding its concurrent usage (tests)
== [8.0.6] 2021-09-28 ==
* Add loop to handle abort error like in suspend logic on Darwin
* Add support of OpenBSD/aarch64
* Add threading libraries to bdw-gc.pc
* Allocate start_info struct on the stack in GC_pthread_create
* Allow GC_PAUSE_TIME_TARGET environment variable values smaller than 5 ms
* Avoid compiler warning about unused d in GC_CALLOC/MALLOC_EXPLICITLY_TYPED
* Avoid gcc stringop-overflow warning for intended overflow in smashtest
* Check _MSVC_LANG macro in addition to __cplusplus (MS VC)
* Compile C++ code with exception handling enabled in NT_MAKEFILE
* Define OS_TYPE and DATAEND for UWP targets
* Disable mprotect-based incremental GC if /proc roots are used (Linux)
* Donot report 'Incremental GC incompatible' warning more than once
* Donot use Manual VDB mode if C malloc is redirected
* Donot use iOS private symbols
* Eliminate 'GC_non_gc_bytes is deprecated' warning in new_gc_alloc.h
* Eliminate 'GC_old_bus_handler defined but not used' compiler warning
* Eliminate 'cast between incompatible func types' warnings for FARPROC vars
* Eliminate 'comparing signed and unsigned values' BCC warning in cordtest
* Eliminate 'gc_pthread_redirects.h should contain header guard' code defect
* Eliminate 'implicit declaration of sbrk' gcc warning if -std=c11 on Cygwin
* Eliminate 'possible loss of data' BCC and MS VC warnings
* Eliminate 'static GC_sysinfo definition has incomplete type' Clang warning
* Eliminate 'unused function' compiler warnings (GC_add_map_entry, GC_lock)
* Eliminate 'while clause does not guard' GCC warning in GC_parse_map_entry
* Enable sbrk-to-mmap fallback on major supported Unix-like platforms
* Ensure process is running on one CPU core if AO ops are emulated with locks
* 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 'ISO C++17 does not allow dynamic exception spec' clang-8 error
* Fix 'Wrong __data_start/_end pair'if -Bsymbolic-functions used (Linux)
* Fix 'condition pred!=NULL is always true' compiler warning
* Fix 'external linkage required for var because of dllimport' error on MinGW
* Fix 'ulong undefined' compilation error on AIX
* Fix 'undefined reference to __data_start' linker error on RISC-V
* Fix 'use of undeclared BUS_PAGE_FAULT' compilation error on FreeBSD 12
* Fix 'write to GC log failed' error (Cygwin)
* Fix 'wrong finalization data' gctest failure on Windows
* Fix CMake build on macOS Catalina
* Fix GC_OPENBSD_THREADS definition (OpenBSD/hppa)
* Fix GC_proc_fd value in child process at fork (Solaris)
* Fix GC_with_callee_saves_pushed for Android NDK r23 (clang-12)
* Fix MPROTECT_VDB definition for single-threaded GC builds
* Fix OS_TYPE and USE_MMAP_ANON definitions for Cygwin/x64
* Fix STACKBOTTOM on 32-bit HP/UX 11.11
* Fix abort in GC_printf when gctest is built as WinMain executable (Cygwin)
* Fix assertion violation in register_dynlib_callback on Android
* Fix build for OS X (CMake)
* Fix building of shared library with C++ support on MinGW
* Fix compiling by Makefile.direct on OpenBSD/UltraSparc
* Fix configure message about 'AIX gcc optimization fix'
* Fix cordtest build in SMakefile.amiga
* Fix data race regarding *rlh value in generic_malloc_many
* Fix first_thread stack_base initialization if custom GC_stackbottom (Win32)
* Fix gc_allocator.h compilation by Clang
* Fix gc_cflags variable name in configure (HP/UX)
* Fix handling of areas smaller than page size in GC_scratch_recycle
* Fix incorrect markup formatting in documentation
* Fix misaligned tlfs passed to AO_load on m68k
* Fix missing GC_quiet declaration in pcr_interface.c
* Fix missing gc_dlopen.c and specific.c in CMake script
* Fix missing scratch_last_end_ptr update (Irix)
* Fix mmap() failures on AIX, HP/UX and Haiku
* Fix overflow of scratch_free_ptr value
* Fix page_was_[ever_]dirty() forstatic roots (Solaris)
* Fix printf format specifier in simple_example.md
* Fix save_callers for multi-threaded caseif built-in backtrace unavailable
* Fix subexpression widening in memhash() of disclaim_weakmap_test
* Fix test_cpp failure caused by arbitrary link order (Win32)
* Fix test_cpp failure when gc_cpp resides in a dll (Borland, Watcom)
* Fix various typos mostly in documentation files
* Fix word size, data start and alignment for OpenBSD/mips64(el)
* Include <alloca.h> when using alloca on AIX
* Limit number of unmapped regions (Linux and DragonFly)
* New macro to avoid system-wide new/delete inlining in gc_cpp.h (Win32)
* Prevent GetThreadContext failure (Windows)
* Prevent WARN of incompatible incremental GC ifdefaultor manual VDB
* Reduce a time period between GetExitCodeThread and SuspendThread (Win32)
* Refactoring of WoW64 workaround (Win32)
* Refine GC_INIT documentation about its multiple invocation
* Refine GC_parallel documentation in gc.h
* Refine do_blocking() documentation in gc.h
* Remove a misleading comment about Solaris in gc.h
* Remove cord .h files from list of non-installed headers (Automake)
* Remove dead part of condition to define NEED_FIND_LIMIT in gc_priv.h
* Remove gcmt-lib generation by CMake
* Support MSYS builds by CMake and configure
* Update documentation about the incremental collector support
* Use HEURISTIC2 on OpenBSD when single-threaded
* Use pstat_getprocvm to determine main stack bottom on HP-UX
* Workaround 'expression is only useful for its side effects' WCC warning
* Workaround clang-3.8/s390x bug when processing __builtin_frame_address
* Workaround fread fail after enable_incremental if malloc redirected (Linux)
== [8.0.4] 2019-03-02 ==
* Avoid a full GC when growing finalizer tables if in incremental mode
* Avoid potential race in hb_sz access between realloc and reclaim_block
* Avoid test.o rebuild on tests folder timestamp change (Makefile.direct)
* Avoid unexpected heap growth in gctest caused by GC_disable
* Ensure result of every variant of MS_TIME_DIFF has unsignedlong type
* Fix 'duplicate symbol' error for tests using multiple static libs (OS X)
* Fix 'undefined reference to __data_start' linker error (Android/aarch64)
* Fix 'unexpected mark stack overflow' abort in push_all_stack
* Fix 'wrong __data_start/_end pair' error on Android
* 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 invalid initializer of CLOCK_TYPE variables if BSD_TIME
* Fix thread_info() count argument value (OS X)
* Support de_win.c compilation by Makefile.direct (cord/de)
== [8.0.2] 2018-12-23 ==
* Abort with appropriate message if executable pages cannot be allocated
* Add initial testing of GC_enable/disable, MALLOC[_ATOMIC]_IGNORE_OFF_PAGE
* Add paths to filenames mentioned in the copyright section in README
* Add test using disclaim notifiers to implement a weak map
* Adjust #error messages format
* Allow to force executable pages allocation in gctest
* Avoid potential 'macro redefinition' errors for config.h macros
* Call real pthread_sigmask instead of its wrapper in start_mark_threads
* Check result of pthread_mutex_unlock in specific.c
* Default to a single-threaded build for Nintendo, Orbis, Sony PSP targets
* Default to non-executable memory allocation across all make scripts
* Define GC_ATOMIC_UNCOLLECTABLE and JAVA_FINALIZATION in all make scripts
* Donot prevent GC from looking at environment variables (BCC_MAKEFILE)
* Donot use 'ifndef AO_CLEAR' in mark, pthread_support and gctest
* Donot use spin locks if AO test-and-set is emulated (pthreads)
* Document HANDLE_FORK macro optional usage in Makefile.direct
* Document assertion in the setters that used to return old value
* Eliminate 'assigned value never used' compiler warning in test_cpp WinMain
* Eliminate 'casting signed to bigger unsigned int' CSA warning
* Eliminate 'different const qualifiers' MS VC warnings in cordbscs
* Eliminate 'function is never used' cppcheck warning for calloc/realloc
* Eliminate 'non-virtual destructor for class with inheritors' CSA warning
* Eliminate 'pointer targets differ in signedness' compiler warning (Win32)
* Eliminate 'struct member is never used' cppcheck warnings in os_dep
* Eliminate 'uninitialized var' cppcheck false positive in mach_dep, os_dep
* Eliminate 'unreferenced formal parameter' compiler warning in msvc_dbg
* Eliminate redundant check in backwards_height
* Fix 'USE_MUNMAP macro redefinition' error for NaCl
* Fix 'collecting from unknown thread' abort in leak-finding mode for Win32
* Fix 'mprotect remapping failed' abort on NetBSD with PaX enabled
* Fix 'too wide non-owner permissions are set for resource' code defect
* Fix GC_VSNPRINTF in cordprnt for DJGPP and MS VC for WinCE
* Fix GC_register_disclaim_proc for leak-finding mode
* Fix a deadlock in write_fault_handler if AO_or is emulated
* Fix comment typo in CMakeLists.txt
* Fix concurrent bitmap update in GC_dirty
* Fix deadlocks in write and suspend handlers if AO test-and-set is emulated
* Fix executable memory allocation in GC_unix_get_mem
* Fix hbp overflow in GC_install_counts
* Fix linkage with a system libatomic_ops shared library
* Fix lock assertion violation in get_index if GC_ALWAYS_MULTITHREADED
* Fix marking of finalizer closure object
* Fix marks and hb_n_marks consistency when disclaim returns true
* Fix memory allocation on GCF (Linux/x64)
* Fix missing curses.h in cord/de when compiling manually (MS VC, MinGW)
* Fix test_cpp assertion violation in find-leak mode
* Fix tests linkage with internal atomic_ops.o
* Fix unneeded end_stubborn_change/ptr_store_and_dirty in disclaim_test
* Guard against potential buffer overflow in CORD_next and CORD_pos_fetch
* New macro to suppress printing of leaked objects
* Pass -Wall -Wextra -Wpedantic to g++ if supported (configure)
* Prefix internal durango_get_mem symbol with 'GC_'
* Prevent double inclusion of javaxfc.h andprivate/specific.h
* Print relevant message in tests not appropriate for leak detection mode
* Reduce scope of local variables in GC_remove_all_threads_but_me
* Refine HIDE_POINTER documentation for the case of the leak-finding mode
* Refine documentation in gc_disclaim.h
* Remove extra USE_MMAP definition for Interix
* Remove redundant header double-inclusion checks in the private headers
* Remove strlen calls with a constant string argument in msvc_dbg
* Specify register_disclaim_proc and finalized_malloc argument as non-null
* Support UWP/arm64 target
* Test marking of finalizer closure object in disclaim_test
* Turn off leak detection mode explicitly in cord/de
* Turn off parallel marker, thread-local allocation if used AO ops emulated
* Turn on gcj functionality in BCC, DMC, NT, OS/2, WCC makefiles
* Turn on memory unmapping in BCC/DMC/NT/WCC makefiles and Makefile.direct
* Update NO_EXECUTE_PERMISSION documentation
* Update documentation about arm64 ABI in gcconfig.h
* Use AO_or in async_set_pht_entry_from_index if available
* Use GC_WORD_MAX macro across all C source files
* Use macro to operate on a flag residing in GC_stop_count
* Use standalone private macro to guard against ptr_t redefinition
* Workaround '#error' cppcheck messages in backgraph andprivate headers
* Workaround 'AST broken' syntax error reported by cppcheck in GC_mark_some
* Workaround 'GC_dump function is never used' cppcheck warning
* Workaround 'local address assignment to a global variable' CSA warning
* Workaround 'local variable end shadows outer symbol' cppcheck warnings
* Workaround 'local variable obj_displ shadows outer symbol' cppcheck warning
* Workaround 'nonlocal var will use ptr to local var' cppcheck false positive
* Workaround 'pointer addition with NULL pointer' cppcheck error in msvc_dbg
* Workaround 'potential non-terminated string'false positive in cordbscs
* Workaround 'value of _MAX_PATH is unknown' cppcheck warning
* Workaround cppcheck warnings regarding CLOCKS_PER_SEC, REDIRECT_REALLOC
== [8.0.0] 2018-09-05 ==
* Accept Android platform by both CMake and configure
* Access finalize_now atomically to avoid TSan warning without no-sanitize
* Acknowledge thread restart from suspend_handler (NetBSD)
* Add a sanity check that load_acquire and store_release are available
* Add AO primitives implementation to GC based on GCC atomic intrinsic
* Add assertion for suspend_ack_sem in start_world
* Add assertion to allocobj that live unmarked object cannot be reclaimed
* Add assertions about held lock when accessing all_bottom_indices
* Add assertions to ensure ADD_CALL_CHAIN is called holding the lock
* Add assertions to finalize and threads support for MANUAL_VDB needs
* Add basic calculation of the total full-collection time
* Add check that gc_cpp operatordelete is called (test_cpp)
* Add debug logging to new_thread about GC_threads hash table collisions
* Add GC prefix to _MSVC_DBG_H macro
* Add initial RISC-V support
* Add Makefile target to run all tests without test-driver
* Add test_atomic_ops to perform minimal testing of used atomic primitives
* Add two-argument alloc_size attribute to calloc_explicitly_typed (GCC)
* Align IRIX/OSF1_THREADS definition in gc_config_macros.h with gcconfig.h
* Allocate non-executable memory by default (CMake)
* Allow compilation of PROC_VDB code on Linux host (GC_NO_SYS_FAULT_H)
* Allow configure --with-libatomic-ops=none to use GCC atomic intrinsics
* Allow custom N_LOCAL_ITERS and ENTRIES_TO_GET values
* Allow disabling of dynamic loading in CMake script and configure
* Allow disabling of main static data registration in CMake and configure
* Allow disabling of threads discovery in CMake script and configure
* Allow gc_assertions enabling in CMake script
* Allow gc_debug, redirect_malloc, large_config options in CMake script
* Allow GC_NETBSD_THREADS_WORKAROUND macro manual definition
* Allow mmap enabling in CMake script and configure
* Allow passing -D DEFAULT_VDB to CFLAGS
* Allow subthreadcreate_test to be compiled with zero NTHREADS
* Allow to turn on spin locking even if thread-local allocations are used
* Always include gc_atomic_ops.h unless threads are disabled
* Avoid 'Unexpected heap growth' in 64-bit multi-threaded gctest if n_tests=1
* Avoid duplication of code handling pthreads case in configure
* Avoid potential data race during apply_to_each_object(reset_back_edge)
* Avoid potential data race during GC_dump execution
* Avoid potential race between malloc_kind and mark_thread_local_fls_for
* Avoid potential race between realloc and clear_hdr_marks/reclaim_generic
* Avoid potential race in print_static_roots called by dyld_image_add/remove
* Avoid potential race in SET_MARK_BIT_EXIT_IF_SET if parallel marking
* Avoid potential race when accessing size_map table
* Avoid potential race when storing oh_back_ptr during parallel marking
* Avoid SIGSEGV during GC_INIT on some Android devices
* Build only shared libraries by default (configure)
* Change pointer arguments of push_all[_eager]/conditional API to void* type
* Change type of hb_sz field (of hblkhdr) from size_t to word
* Check consistency of descr, adjust, clear arguments of GC_new_kind
* Check that GC_WIN32_PTHREADS is not specified for Cygwin
* Check thread_local is initialized before accessing thread_key
* Collapse multiple BCOPY_EXISTS macro definitions
* Collapse multiple NT_*_MAKEFILE scripts into a single NT_MAKEFILE
* Collapse multiple page_was_dirty, remove_protection, read_dirty definitions
* Compile checksums.c only if --enable-checksums is given (configure)
* Consistently define WIN32_LEAN_AND_MEAN/NOSERVICE before include windows.h
* Convert .html files to Markdown format
* Convert code of .c files to valid C++ code
* Decide between memory unmapping and mprotect-based dirty bits at runtime
* Declare t local variable in the block where the variable is used
* Define ABORT() using _CrtDbgBreak (if available) on Windows host
* Define CLANG/GNUC_PREREQ macros to check gcc/clang minimum version
* Define DYNAMIC_LOADING for Darwin unless IGNORE_DYNAMIC_LOADING
* Define GC_ASSERT(x) as C assert(x) for external clients of gc_inline.h
* Define GC_PREFETCH_FOR_WRITE to __builtin_prefetch in gc_inline.h (GCC)
* Define GC_THREADS instead of GC_x_THREADS in Makefiles
* Define macro to specify the environment file name extension (Win32/WinCE)
* Define static resend_lost_signals(), restart_all() in pthread_stop_world
* Detect sigsetjmp() availability by configure
* Determine whether to use compiler TLS for kFreeBSD at compile time
* Donot call BCOPY and BZERO if size is zero
* Donot call sem_getvalue in stop_world if one thread exists
* Donot call set_handle_fork(1) in gctest if pthread_atfork not supported
* Donot compile pcr_interface.c and real_malloc.c except by PCR-Makefile
* Donot declare dl_iterate_phdr as weak for kFreeBSD
* Donot include windows.h when compiling gc_cpp.cc
* Donot install gc_allocator.h, gc_disclaim.h unless the features enabled
* Donot merge dynamic root with the existing static one in add_roots_inner
* Donot print n_rescuing_pages value if incremental collections disabled
* Donot push cpsr and frame pointer on Darwin/arm and Darwin/arm64
* Donot rebuild_root_index unless remove_root_at_pos is called
* Donot specify version info for test libraries (Automake)
* Donot use alternate thread library on Solaris
* Donot use asm in GC_pause
* Donot use PKG_CHECK_MODULES in configure
* Donot use system clock consistently if NO_CLOCK
* Donot use x86 asm in PUSH_CONTENTS_HDR for NaCl
* Document GC_BUILTIN_ATOMIC macro (and gc_atomic_ops private header file)
* Document STACK_NOT_SCANNED macro in gcconfig.h (Emscripten)
* Eliminate 'comparison is always false' code defect in get_maps
* Eliminate 'GC_DEBUG redefined' compiler warning in smashtest
* Eliminate 'potential unsafe sign check of a bitwise operation' code defect
* Enable alternative finalization interface (DISCLAIM) in all makefiles
* Enable compilation for Cygwin with MPROTECT_VDB
* Enable handle-fork and memory unmapping by default
* Enable mprotect-based incremental GC for Win64 (GCC)
* Expose API to control rate and max prior attempts of collect_a_little
* Expose API to control the minimum bytes allocated before a GC occurs
* Fix 'comparison of 255 with expr of type bool' error in gc_atomic_ops.h
* Fix 'doc' files installation folder
* Fix build of cord tests as C++ files (Makefile.direct)
* Fix comment typos in backgraph.c, de.c, gcconfig.h
* Fix deleteoperator redirection if gc_cpp is built as .dll (Cygwin, MinGW)
* Fix start_world not resuming all threads on Darwin
* Fix test_cpp failure in case GC_DEBUG is defined
* Group common defines for POSIX platforms in configure and CMake scripts
* Guard against USE_PTHREAD_LOCKS and USE_SPIN_LOCK are both defined
* Handle pthread restart signals loss if retry_signals
* Hide value stored to thread-specific entries for a test purpose
* Implement FindTopOfStack(0) for ARM and AArch64 (Darwin)
* Implement memory unmapping for Sony PS/3
* Imply configure --single-obj-compilation if --disable-static
* Include malloc.c in extra/gc.c after include gc_inline.h
* Increase MAX_HEAP_SECTS (10 times) for large-config
* Initial single-threaded support of Interix subsystem
* Initial support of Nintendo, Orbis, Sony PSP2, WinRT, Xbox One
* Initial support of TIZEN platform
* Install gc.3 man page instead of copying gc.man to doc folder (configure)
* Make extend_size_map() static (code refactoring)
* Make subthreadcreate test compilable even without libatomic_ops
* Match GC_FAST_MALLOC_GRANS formal and actual arguments where possible
* Move de_win compiled resource files to cord/tests
* Move pcr_interface.c, real_malloc.c to 'extra' folder
* New API function (GC_dump_named) to produce named dumps
* New API function (GC_is_incremental_mode)
* New API function (get_expl_freed_bytes_since_gc)
* New API function (get_size_map_at) to get content of size_map table
* New API to stop and start the GC world externally
* New API to turn on manual VDB at runtime
* New field (expl_freed_bytes_since_gc) in public prof_stats_s
* New macro ALWAYS_SMALL_CLEAR_STACK to avoid clearing large stack sections
* Newpublic API (PTR_STORE_AND_DIRTY) to simplify store-and-dirty operation
* Pass CFLAGS_FOR_PIC value to CFLAGS in Makefile.direct
* Print time passed since GC initialization in GC_dump
* Public API (GC_deinit) to allow Win32 critical sections deletion
* Reduce probability of collision in threads hashtable for 64-bit targets
* Reduce the default MUNMAP_THRESHOLD value to 2 for Sony PS/3
* Refactoring of USE_MMAP/USE_MMAP_ANON pairs definition in gcconfig.h
* Reformat code and comments in gc_allocator.h
* Remove 'dist' target from Makefile.direct
* Remove a redundant check of __cplusplus in Symbian-specific .cpp files
* Remove Android-specific code in gcconfig.h for M68K
* Remove C++ WeakPointer and CleanUp API which lacks implementation
* Remove DGUX_THREADS macro which duplicates GC_DGUX386_THREADS (configure)
* Remove done_init static variable from fnlz_mlc.c
* Remove duplicate definition of ALIGNMENT macro for OpenBSD/arm
* Remove duplicated sample code in leak.md
* Remove EMX_MAKEFILE (add EMX support to Makefile.direct)
* Remove GC code fragment (which already merged) from README.Mac
* Remove GC_GNU_THREADS macro (HURD)
* Remove GENERAL_MALLOC internal macro
* Remove HIGH_BIT macro duplicating SIGNB
* Remove lint-specific code
* Remove Makefile KandRtest target (that supported K&R C compiler)
* Remove MIN_WORDS macro from gc_priv.h
* Remove multi-line macros (FOR_EACH_PRED, ITERATE_DL_HASHTBL_*, PUSH_OBJ)
* Remove name of optional arguments of operatornewandnew[] in gc_cpp.h
* Remove notes that K&R C compiler is unsupported
* Remove PUSH_CONTENTS_HDR multi-line macro
* Remove redundant check that clear_fl_marks argument is non-null
* Remove redundant THREADS macro checks in alloc.c and gc_priv.h
* Remove stubborn objects allocation code completely, remove stubborn.c
* Remove unnecessary argument casts in add_roots_inner calls
* Remove unnecessary type casts in n_set_marks
* Remove unused USE_GENERIC macro definition and description
* Remove version info in 'de' cord test application
* Replace GC_MALLOC(sizeof T) with GC_NEW(T) in tests
* Replace GC_NO_RETRY_SIGNALS environment variable with GC_RETRY_SIGNALS=0
* Replace some FIXME items with TODO ones
* Run command passed to if_not_there directly from Makefile.direct
* Same type casts for GC_PTR_STORE arguments regardless of GC_DEBUG
* Skip grungy_pages update when mark state invalid to speedup read_dirty
* Skip typed_test in gctest if NO_TYPED_TEST macro is defined
* Support configure --disable-thread-local-alloc option (similar for CMake)
* Support enable_checksums option in CMake script
* Support Haiku multi-threaded build by CMake
* Support threads for DragonFly in configure
* Turn on 'atomic uncollectable' functionality by default (CMake)
* Turn on GC assertions in NT_MAKEFILE for debug builds
* Turn on gcj, disclaim and java finalization by default (CMake)
* Turn on incremental collection in gctest also if DEFAULT_VDB or MANUAL_VDB
* Turn on incremental mode in cordtest and cord/de
* Turn on incremental mode in disclaim_test, test_cpp and staticroots test
* Turn on parallel marker by defaultfor all multi-threaded builds
* Update GC compilation and usage notes for Win32
* Update shared libraries version info to differentiate against v7.6
* Update top_index entry pointer only when the entry is constructed fully
* Use __builtin_expect in SIZET_SAT_ADD macro
* Use __declspec(allocator) for malloc-like prototypes (MS VS 2015+)
* Use __int64 instead of 'long long' in LONG_MULT if appropriate
* Use __thread keyword for Android NDK r12b+ Clang (arm)
* Use atomic allocation for leafs in reverse_test (gctest)
* Use atomic load/store for the concurrently accessed variables in GC_lock
* Use C11 static_assert if available
* Use compiler atomic intrinsics by defaultif available (configure)
* Use EXPECT FALSEfor mark_from code documented as executed rarely
* Use heap-allocated memory for local mark stack of non-marker thread
* Use HOST_ANDROID define instead of PLATFORM_ANDROID
* Use include gc.h with the angle brackets in the man page synopsis
* Use longjmp in fault_handler_openbsd if siglongjmp unavailable (OpenBSD)
* Use MARK_BIT_PER_GRANULE instead of MARK_BIT_PER_OBJ where appropriate
* Use noexcept specifier in gc_allocator and gc_cpp if C++11
* Use same macro (NTHREADS) across all tests to specify number of threads
* Use sigsetjmp() in setjmp_t tool if available
* Use thread-local allocations for all multi-threaded builds
* Use THREAD_EQUAL consistently to compare pthread_t values
* Workaround 'bad pointer arithmetic'false waring in check_annotated_obj
* Workaround Clang optimizer bug crashing clear_stack_inner on OS X 10.8
* Workaround Thread Sanitizer (TSan) false positive warnings
== [7.6.16] 2022-08-26 ==
* Donot send signal to thread which is suspended manually
* Eliminate 'old_gc_no is initialized but not referenced' MS VC false warning
* Fix 'GC_greatest_stack_base_below is defined but not used' warning (IA64)
* Fix context saving when GC_suspend_thread(self)
* Fix data race in fail_proc1 of gctest
* Fix GC_suspend_thread if called before thread destructor
* Fix hang on sem_wait in GC_suspend_thread if thread was resumed recently
* Fix lock assertion violation in GC_find_limit if always multi-threaded
* Fix potential race if start_mark_threads called from threads in child
* Make finalizer_closure pointer read/write atomic in malloc and callback
* Prevent changing of GC_markers_m1 value while collection in progress
* Replace SSH cloning with HTTPS one in README
* Workaround Thread Sanitizer (TSan) FP warning in is_valid_displacement
Also, includes 7.4.22 changes
== [7.6.14] 2021-09-28 ==
* Add loop to handle abort error like in suspend logic on Darwin
* Add support of OpenBSD/aarch64
* Add threading libraries to bdw-gc.pc
* Disable mprotect-based incremental GC if /proc roots are used (Linux)
* Donot use iOS private symbols
* Eliminate 'GC_old_bus_handler defined but not used' compiler warning
* Eliminate 'comparing signed and unsigned values' BCC warning in cordtest
* Eliminate 'possible loss of data' BCC and MS VC warnings
* 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
* 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 'ulong undefined' compilation error on AIX
* Fix 'undefined reference to __data_start' linker error on RISC-V
* Fix 'write to GC log failed' error
* Fix GC_proc_fd value in child process at fork (Solaris)
* Fix MPROTECT_VDB definition for single-threaded GC builds
* Fix OS_TYPE and USE_MMAP_ANON definitions for Cygwin/x64
* Fix STACKBOTTOM on 32-bit HP/UX 11.11
* Fix abort in GC_printf when gctest is built as WinMain executable (Cygwin)
* Fix assertion violation in register_dynlib_callback on Android
* Fix compiling by Makefile.direct on OpenBSD/UltraSparc
* Fix configure message about 'AIX gcc optimization fix'
* Fix cordtest build in SMakefile.amiga
* Fix data race regarding *rlh value in generic_malloc_many
* Fix first_thread stack_base initialization if custom GC_stackbottom (Win32)
* Fix gc_allocator.h compilation by Clang
* Fix gc_cflags variable name in configure (HP/UX)
* Fix handling of areas smaller than page size in GC_scratch_recycle
* 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() forstatic roots (Solaris)
* Fix printf format specifier in simple_example.html
* Fix save_callers for multi-threaded caseif built-in backtrace unavailable
* Fix test_cpp failure caused by arbitrary link order (Win32)
* Fix test_cpp failure when gc_cpp resides in a dll (Borland, Watcom)
* Fix various typos mostly in documentation files
* Fix word size, data start and alignment for OpenBSD/mips64(el)
* Prevent GetThreadContext failure (Windows)
* Prevent WARN of incompatible incremental GC ifdefaultor manual VDB
* Reduce a time period between GetExitCodeThread and SuspendThread (Win32)
* Refactoring of WoW64 workaround (Win32)
* Remove a misleading comment about Solaris in gc.h
* Workaround 'expression is only useful for its side effects' WCC warning
* Workaround fread fail after enable_incremental if malloc redirected (Linux)
== [7.6.12] 2019-03-01 ==
* Eliminate 'assigned value never used' compiler warning in test_cpp WinMain
* Fix 'mprotect remapping failed' abort on NetBSD with PaX enabled
* Fix 'undefined reference to __data_start' linker error (Android/aarch64)
* Fix 'unexpected mark stack overflow' abort in push_all_stack
* Fix 'wrong __data_start/_end pair' error on Android
* 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
* Fix thread_info() count argument value (OS X)
* Update NO_EXECUTE_PERMISSION documentation
== [7.6.10] 2018-12-13 ==
* Add paths to filenames mentioned in the copyright section in README
* Call real pthread_sigmask instead of its wrapper in start_mark_threads
* Eliminate 'casting signed to bigger unsigned int' CSA warning
* Eliminate 'non-virtual destructor for class with inheritors' CSA warning
* Fix 'collecting from unknown thread' abort in leak-finding mode for Win32
* Fix 'too wide non-owner permissions are set for resource' code defect
* Fix 'undefined reference to GC_incremental' linker error in pthread_start
* Fix GC_VSNPRINTF in cordprnt for DJGPP and MS VC for WinCE
* Fix GC_register_disclaim_proc for leak-finding mode
* Fix a deadlock in write_fault_handler if AO_or is emulated
* Fix comment typos in CMakeLists.txt, backgraph.c, de.c, gcconfig.h
* Fix concurrent bitmap update in GC_dirty
* Fix deleteoperator redirection if gc_cpp is built as .dll (Cygwin, MinGW)
* Fix hbp overflow in GC_install_counts
* Fix linkage with a system libatomic_ops shared library
* Fix lock assertion violation in get_index if GC_ALWAYS_MULTITHREADED
* Fix marking of finalizer closure object
* Fix marks and hb_n_marks consistency when disclaim returns true
* Fix memory allocation on GCF (Linux/x64)
* Fix missing curses.h in cord/de when compiling manually (MS VC, MinGW)
* Fix start_world not resuming all threads on Darwin
* Fix test_cpp assertion violation in find-leak mode
* Fix tests linkage with internal atomic_ops.o
* Fix unneeded end_stubborn_change in disclaim_test
* Guard against potential buffer overflow in CORD_next and CORD_pos_fetch
* New macro to suppress printing of leaked objects
* Prevent double inclusion of javaxfc.h andprivate/specific.h
* Reduce scope of local variables in GC_remove_all_threads_but_me
* Refine HIDE_POINTER documentation for the case of the leak-finding mode
* Refine documentation in gc_disclaim.h
* Test marking of finalizer closure object in disclaim_test
* Update documentation about arm64 ABI in gcconfig.h
* Use AO_or in async_set_pht_entry_from_index if available
* Use include gc.h with the angle brackets in the man page synopsis
== [7.6.8] 2018-08-12 ==
* Add cpu, make_as_lib, nothreads options to NT_MAKEFILE
* Add NetBSD/aarch64 and initial RISC-V support
* Adjust formatting of configure help messages and config.h comments
* Avoid multiple 'getcontext failed' warnings if getcontext is broken
* Cleanup BCC Makefile (remove absolute GC paths, fix del cmd, update clean)
* Collapse multiple NT_*_MAKEFILE scripts into a single NT_MAKEFILE
* Donot call GC_dirty_inner unless GC_incremental
* Donot use NULL in gc_inline.h
* Eliminate 'cast between incompatible function types' compiler warning
* Eliminate 'comparing signed and unsigned values' compiler warnings (bcc)
* Eliminate 'condition is always true' cppcheck warning in init_gcj_malloc
* Eliminate 'declaration of var hides global declaration' compiler warning
* Eliminate 'language extension used' Clang warning in gc.h
* Eliminate 'possibly incorrect assignment in CORD_vsprintf' compiler warning
* Eliminate 'ptr arithmetic with NULL' cppcheck warning in alloc_mark_stack
* Eliminate 'scope of var can be reduced' cppcheck warning in pthread_join
* 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
* Fast fail on invalid CPU parameter passed to NT_MAKEFILE
* Fix 'collecting from unknown thread' abort in leak-finding mode
* 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 compilation by digimars.mak (DMC)
* Fix compilation by WCC makefile
* Fix compilation of darwin_stop_world for iOS 8+
* Fix cords for MANUAL_VDB
* Fix dependency on gc_cpp source in BCC_MAKEFILE and NT_MAKEFILE
* Fix GC_is_valid_displacement and GC_is_visible for non-small objects
* Fix gctest in leak-finding mode
* 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 missing GC_dirty calls for GC-allocated objects used internally
* Fix missing GC_dirty invocation from debug_end_stubborn_change
* Fix MSWIN32 macro redefinition (WCC)
* Fix multi-threaded gctest for the case of NTHREADS is set to zero
* Fix newanddelete operators definition for DigitalMars compiler
* Fix NT_MAKEFILE for VS 2017
* 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 tests for GC compiled with MANUAL_VDB
* Fix the build for Emscripten
* Fix typo in comment for CORD_ec_flush_buf prototype
* Fix typos in ChangeLog and generic_malloc
* Fix UNTESTED for multi-threaded API functions in gctest
* Fix VirtualQuery call in case of malloc failure (Win32)
* Install gc.3 man page instead of copying gc.man to doc folder (configure)
* Keep pointer to the start of previous entry in remove_specific_after_fork
* Move de_win compiled resource files to cord/tests
* Never return null by C++ GC allocators and gc_cpp operatornew
* Perform thread_suspend in loop as it may be interrupted (Darwin)
* Really abort if failed to read /proc for library registration (Linux)
* Remove code duplication in gcj_malloc and malloc_explicitly_typed
* Remove duplicate local variable in reclaim_block
* Remove information how to send bugs from README.cords file
* Remove libatomic_ops license information
* Remove unused USE_GENERIC macro definition and description
* Suppress 'functions containing switch are not expanded inline' bcc warning
* Suppress 'non-member operator new/delete may not be inline' VC++ warning
* Turn on incremental collection in gctest also if MANUAL_VDB
* Update copyright information in alloc.c, gc.c/h and the documentation
* Update EXTRA_DIST in Makefile, Win32/64 docs after NT_*_MAKEFILE removal
* Update NT_MAKEFILE usage information in README files for Win32 and Win64
* Workaround 'class C does not have a copy constructor' cppcheck warning
* Workaround 'function nested_sp is never used' cppcheck style warning
* Workaround 'opposite expression on both sides of &' cppcheck style warning
* Workaround 'template-id not supported in this context' compiler error (WCC)
== [7.6.6] 2018-04-20 ==
* Define GC_FREEBSD_THREADS and GC_ADD_CALLER macros for kFreeBSD
* Eliminate 'boolean result used in bitwise operation' cppcheck warning
* Eliminate 'there is pointer arithmetic with NULL' cppcheck warning
* Explicitly unblock GC signals on GC initialization
* Fix 'scope of var can be reduced' cppcheck err in enqueue_all_finalizers
* Fix 'undefined reference to __builtin_unwind_init' linker error (ArmCC)
* Fix arguments delimiter in pcr_interface.c (PCR)
* Fix assertion violation in DllMain of win32_threads
* Fix comment for debug_generic_malloc_inner[_ignore_off_page]
* Fix data race during apply_to_each_object(reset_back_edge)
* Fix dbg_mlc.c/o file name in documentation
* Fix gctest with musl libc on s390x
* 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 new-line in ABORT_ARG<n> definition
* Fix missing SIGBUS handler setup for kFreeBSD
* Fix null dereference in print_callers on backtrace_symbols failure
* Fix null pointer dereference in get_private_path_and_zero_file (Symbian)
* 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 type of local variables receiving result of PHT_HASH
* Fix typo in AIX macro name
* Fix typo in comment in specific.h
* Fix unbounded heap growth in case of intensive disappearing links usage
* Remove API symbols renaming in WCC_MAKEFILE
* Support Haiku/amd64 and Haiku/x86 hosts
* Support threads for DragonFly in configure
* Workaround 'address of auto-variable returned' cppcheck error
* Workaround gctest hang on kFreeBSD (if thread-local allocations are on)
== [7.6.4] 2018-01-26 ==
* Add note of set_free_space_divisor, set_warn_proc ABI change after gc-7.1
* Change compiler invocation example in gc.man to use dynamic libgc
* Delete dont_ar_* build intermediate files on make clean (Makefile.direct)
* Donot declare dl_iterate_phdr as weak for DragonFly
* Fix 'cords' parallel build in Makefile.direct
* Fix 'undeclared identifier USRSTACK' compiler error on OpenBSD-6.2
* Fix error code in abort message if sem_wait failed in start_world (NetBSD)
* Fix GC allocation mutex in child after a fork
* Fix global operatordelete definition for C++14 in gc_cpp
* 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
* Fix threadlibs tool to output '-lpthread'for DragonFly
* Prevent DATASTART redefinition for NaCl
* Remove obsolete advice about linking with _DYNAMIC=0 (Linux)
== [7.6.2] 2017-12-23 ==
* Add assertion that no hb_n_marks underflow occurs
* Add minimal testing of GC_MALLOC_[ATOMIC_]WORDS and GC_CONS (gctest)
* Add minimal testing of GC_set_bit (gctest)
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--> maximum size reached
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