gc-8.0.2

[Bruce Dubbs]

New point version

[Bruce Dubbs]

Changes

• 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
• Do not prevent GC from looking at environment variables (BCC_MAKEFILE)
• Do not use 'ifndef AO_CLEAR' in mark, pthread_support and gctest
• Do not 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 and private/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 and private 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

[Bruce Dubbs]

Fixed at revision 20961.