Merge pull request #224 from qykth-git/gc7.6.0-subtree

Update to "bdwgc" 7.6.0

gc/AUTHORS

@@ -21,11 +21,14 @@ Other contributors (my apologies for any omissions):
 Adam Megacz <adam@megac.com>
 Adnan Ali
 Adrian Bunk <bunk@fs.tum.de>
+Adrian Pop <adrian.pop@liu.se>
 Akira Tagoh <tagoh@redhat.com>
 Alain Novak <alain.novak@hermes.si>
 Alan Dosser <dosser@src.dec.com>
 Alan J. Demers <ademers@cs.cornell.edu>
 Aleksey Demakov <ademakov@gmail.com>
+Alessandro Bruni <alessandro.bruni@gmail.com>
+Alex Ronne Petersen <alexrp@xamarin.com>
 Alexander Belchenko <bialix@ukr.net>
 Alexander Gavrilov <angavrilov@gmail.com>
 Alexander Herz <alexander.herz@mytum.de>
@@ -87,6 +90,7 @@ Charles Fiterman <cef@geode.geodesic.com>
 Charles Mills <boson@cyberspace.org>
 Chris Dodd <chrisd@reservoir.com>
 Chris Lingard <chris@highludworth.freeserve.co.uk>
+Chris Metcalf <cmetcalf@mellanox.com>
 Christian Joensson <christian.joensson@gmail.com>
 Christian Limpach <chris@pin.lu>
 Christian Thalinger <twisti@complang.tuwien.ac.at>
@@ -117,6 +121,7 @@ David Mossberger
 David Peroutka <djp@volny.cz>
 David Pickens <dsp@rci.rutgers.edu>
 David Stes <stes@d5e02b1d.kabel.telenet.be>
+David Terei <d@davidterei.com>
 David Van Horn <dvanhorn@ccs.neu.edu>
 Davide Angelocola <davide.angelocola@tiscali.it>
 Dick Porter <dick@acm.org>
@@ -139,6 +144,7 @@ Franklin Chen <chen@adi.com>
 Fred Gilham <gilham@csl.sri.com>
 Fred Stearns
 Friedrich Dominicus <friedrichdominicus@googlemail.com>
+Gabor Drescher <gabor.drescher@cs.fau.de>
 Gary Leavens <leavens@eecs.ucf.edu>
 Geoff Norton <grompf@sublimeintervention.com>
 George Talbot <Gtalbot@ansarisbio.com>
@@ -155,6 +161,7 @@ Henning Makholm <Henning@octoshape.com>
 Henrik Theiling <theiling@absint.com>
 Hironori Sakamoto <hsaka@mth.biglobe.ne.jp>
 Hiroshi Kawashima <kei@arch.sony.co.jp>
+Hiroshi Yokota <yokota@netlab.cs.tsukuba.ac.jp>
 Hubert Garavel <Hubert.Garavel@imag.fr>
 Iain Sandoe <developer@sandoe-acoustics.co.uk>
 Ian Piumarta <piumarta@prof.inria.fr>
@@ -186,6 +193,7 @@ Ji-Yong Chung
 Jie Liu <lj8175@gmail.com>
 Jim Marshall <jim.marshall@wbemsolutions.com>
 Jim Meyering <jim@meyering.net>
+Joao Abecasis <joao@abecasis.name>
 Joerg Sonnenberger <joerg@britannica.bec.de>
 Johannes Schmidt <jschmidt@avtrex.com>
 Johannes Totz <jtotz@ic.ac.uk>
@@ -195,19 +203,21 @@ John Ellis <ellis@xerox.parc.com>
 John Merryweather Cooper <jmerry@mono-cvs.ximian.com>
 Jon Moore <jonm@apache.org>
 Jonathan Bachrach <jonathan@harlequin.com>
+Jonathan Chambers <jonathan@unity3d.com>
 Jonathan Clark
 Jonathan Pryor <jpryor@novell.com>
 Juan Jose Garcia-Ripoll <juanjose.garciaripoll@googlemail.com>
 Kai Tietz <ktietz70@googlemail.com>
 Kaz Kojima <kkojima@rr.iij4u.or.jp>
 Kazu Hirata <kazu@codesourcery.com>
 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
+Keith Seitz <keiths@redhat.com>
 Kenjiro Taura <tau@eidos.ic.i.u-tokyo.ac.jp>
 Kenneth Schalk <schalk@cadtls.hlo.dec.com>
 Kevin Kenny <kenny@m.cs.uiuc.edu>
 Kevin Tew <tewk@racket-lang.org>
 Kevin Warne <kevinw@direct.ca>
-Kjetil S. Matheussen <ksvalast@ifi.uio.no>
+Kjetil Matheussen <k.s.matheussen@notam02.no>
 Klaus Treichel <ktreichel@web.de>
 Knut Tvedten <knuttv@ifi.uio.no>
 Krister Walfridsson <cato@df.lth.se>
@@ -219,13 +229,16 @@ Laurent Morichetti <l_m@pacbell.net>
 Linas Vepstas <linasvepstas@gmail.com>
 Loren J. Rittle <rittle@latour.labs.mot.com>
 Louis Zhuang <louis.zhuang@acm.org>
+Lucas Meijer <lucas@unity3d.com>
 Ludovic Courtes <ludo@gnu.org>
 Maarten Thibaut <mthibaut@cisco.com>
+Manuel A. Fernandez Montecelo <manuel.montezelo@gmail.com>
 Manuel Serrano <serrano@cornas.inria.fr>
 Marc Recht <recht@netbsd.org>
 Marco Maggi <marco.maggi-ipsu@poste.it>
 Marcos Dione <Marcos_David.Dione@sophia.inria.fr>
 Marcus Herbert
+Marek Vasut <marex@denx.de>
 Margaret Fleck <mfleck@illinois.edu>
 Mark Boulter <mboulter@vnet.ibm.com>
 Mark Mitchell <mark@codesourcery.com>
@@ -241,10 +254,12 @@ Matthias Drochner <M.Drochner@fz-juelich.de>
 Maurizio Vairani <maurizio.vairani@cloverinformatica.it>
 Melissa O'Neill <oneill@cs.sfu.ca>
 Michael Arnoldus <chime@proinf.dk>
+Michael Fox <mfox@cavium.com>
 Michael Smith <msmith@spinnakernet.com>
 Michael Spertus <mps@geodesic.com>
 Michel Schinz <schinz@alphanet.ch>
 Miguel de Icaza <miguel@gnome.org>
+Mike Frysinger <vapier@gentoo.org>
 Mike Gran <spk121@yahoo.com>
 Mike McGaughey <mmcg@cs.monash.edu.au>
 Mike Stump <mrs@windriver.com>
@@ -265,6 +280,7 @@ Parag Patel <parag@netcom.com>
 Patrick Bridges <bridges@cs.arizona.edu>
 Patrick C. Beard <beard@netscape.com>
 Patrick Doyle <doylep@eecg.toronto.edu>
+Paul Bone <paul@bone.id.au>
 Paul Brook <paul@codesourcery.com>
 Paul Graham
 Paul Nash <paulnash@wildseed.com>
@@ -276,7 +292,7 @@ Peter Housel <housel@acm.org>
 Peter Monks <pmonks@iname.com>
 Peter Ross <pro@missioncriticalit.com>
 Peter Seebach <seebs@taniemarie.solon.com>
-Peter Wang <wangp@students.cs.mu.oz.au>
+Peter Wang <novalazy@gmail.com>
 Petr Krajca <krajcap@inf.upol.cz>
 Petr Salinger <Petr.Salinger@seznam.cz>
 Petter Urkedal <paurkedal@gmail.com>
@@ -302,6 +318,7 @@ Richard Henderson <rth@redhat.com>
 Richard Sandiford <rsandifo@nildram.co.uk>
 Rob Haack <rhaack@polaris.unm.edu>
 Robert Brazile <brazile@diamond.bbn.com>
+Rodrigo Kumpera <kumpera@gmail.com>
 Roger Sayle <roger@eyesopen.com>
 Roland McGrath <roland@redhat.com>
 Roman Hodek <Roman.Hodek@informatik.uni-erlangen.de>
@@ -329,6 +346,7 @@ Terrell Russell <terrellrussell@gmail.com>
 Thiemo Seufer <ths@networkno.de>
 Thomas Funke <thf@zelator.in-berlin.de>
 Thomas Klausner <tk@giga.or.at>
+Thomas Linder Puls <thomas_linder_puls@hotmail.com>
 Thomas Maier <Thomas.Maier@uni-kassel.de>
 Thomas Schwinge <thomas@codesourcery.com>
 Thorsten Glaser <tg@debian.org>

gc/CMakeLists.txt

@@ -203,6 +203,7 @@ ENDIF(CMAKE_USE_WIN32_THREADS_INIT)
 OPTION(enable_gcj_support "Support for gcj" NO)
 IF(enable_gcj_support)
         ADD_DEFINITIONS("-DGC_GCJ_SUPPORT")
+        ADD_DEFINITIONS("-DGC_ENABLE_SUSPEND_THREAD")
 ENDIF(enable_gcj_support)
 
 

gc/ChangeLog

@@ -1,4 +1,114 @@
 
+== [7.6.0] 2016-08-02 ==
+
+* ABORT_ARGn log details at INFO level (Android).
+* Add 'pragma message' to gc.h to detect inconsistent WIN64/_WIN64 (MS VC).
+* Add API function to calculate total memory in use by all GC blocks.
+* Add API function to set/modify GC log file descriptor (Unix).
+* Add alloc_size attribute to GC_generic_malloc.
+* Add alt-stack registration support.
+* Add assertion for GC_new_kind boolean arguments.
+* Add assertion on lock status to GC_alloc_large and its callers.
+* Add build scripts for VC 9 (Win32/64)
+* Add build system plumbing for building with -Werror.
+* Add incremental GC support for Darwin/arm64
+* Add profiling callback events to indicate start/end of reclaim phase.
+* Add support for enumerating the reachable objects in the heap.
+* Add toggle-ref support (following Mono GC API).
+* Added instructions to README.md for building from git.
+* Adjust code indentation of malloc/calloc/str[n]dup.
+* Allow fork() automatic handling on Android with API level 21+.
+* Allow specific TLS attributes for GC_thread_key.
+* Allow thread local allocations from within pthread TLS destructors.
+* Allow to force GC_dump_regularly set on at compilation.
+* Altera NIOS2 support.
+* Change 'cord' no-argument functions declaration style to ANSI C.
+* Check DATASTART is less than DATAEND even assertions off.
+* Check for execinfo.h by configure.
+* Code refactoring of GC_push_finalizer/thread/typed_structures.
+* Code refactoring regarding 'data start' definition for FreeBSD.
+* Consistently set type of DATASTART/END to ptr_t (code refactoring).
+* Consistently use int[] type for '_end' symbol (code refactoring).
+* Consistently use outermost parentheses for DATASTART/END, STACKBOTTOM.
+* Define GC_LINUX_THREADS, NO_EXECUTE_PERMISSION in configure for NaCl.
+* Define ROUNDUP_PAGESIZE, ROUNDUP_GRANULE_SIZE macros (code refactoring).
+* Define public GC_GENERIC_OR_SPECIAL_MALLOC and GC_get_kind_and_size.
+* Do no declare kernel_id field of GC_Thread_Rep for 64-bit Android.
+* Do not allow SHORT_DBG_HDRS if KEEP_BACK_PTRS or MAKE_BACK_GRAPH.
+* Do not warn of missing PT_GNU_RELRO segment when custom DSO filter used.
+* Document GC_register_my_thread returned value.
+* Dump the block information in CSV format.
+* Eliminate redundant *flh check for null in GC_allocobj.
+* Enable atomic-uncollectable in operator new in gc_cpp.h.
+* Enable build with musl libc.
+* Enable gc.h inclusion by client without implicit include windows.h (Win32).
+* Enable huge_test for Win64 (and LLP64 target).
+* Enable thread-local storage for Android Clang.
+* Enable thread-local storage usage for GC_malloc/calloc_explicitly_typed.
+* Export GC_push_all_eager, GC_push_finalizer_structures.
+* Fix 'arg parameter might be clobbered by setjmp' compiler warning.
+* Fix assertion in GC_mark_from for non-heap regions.
+* Fix compilation for Android clang/arm with bfd linker.
+* Fix integer shift undefined behavior in GC_init_explicit_typing.
+* Fix missing new-line and redundant trailing dot in WARN messages.
+* Fix STACKBOTTOM for Solaris 11/x86.
+* Fix tag collision between ENABLE_DISCLAIM and KEEP_BACK_PTRS.
+* Fix unchecked fork() result in gctest (Unix, Cygwin).
+* Fix user-defined signals drop by marker threads.
+* Fix various typos in comments and documentation.
+* FreeBSD/arm support improvement.
+* GC_make_descriptor code refactoring (eliminate two local variables).
+* GC_malloc[_atomic] global and thread-local generalization with kind.
+* GC_malloc_[atomic_]uncollectable generalization.
+* GC_scratch_alloc code refactoring (and WARN message improvement).
+* Group all compact fields of GC_arrays to fit in single page.
+* Handle load_segs overflow in register_dynlib_callback gracefully.
+* Harmonize OSX/iOS configuration; enable compiling for iPhone simulator.
+* Implement event callbacks for profiling (following Mono GC API).
+* Implement the finalization extension API.
+* Implement thread suspend/resume API (Linux threads only).
+* Improve documentation for disappearing links in gc.h.
+* Make heap growth more conservative after GC_gcollect_and_unmap call.
+* Mark fo_head, finalize_now with a single GC_push_all call (refactoring).
+* Move MessageBox invocation code from GC_abort to a separate routine (Win32).
+* NaCl/arm initial support; NaCl runtime fixes for other CPUs.
+* New macro (GC_ALWAYS_MULTITHREADED) to set multi-threaded mode implicitly.
+* New macro (NO_WINMAIN_ENTRY) to prefer main() instead of WinMain in test.
+* New macro (REDIRECT_MALLOC_IN_HEADER) to enable source-level redirection.
+* Process all PT_LOAD segments before PT_GNU_RELRO segments (Glibc).
+* Re-implement GC_finalized_malloc using GC_malloc_kind.
+* Refactoring of android_thread_kill/pthread_kill calls.
+* Refactoring of GC_Xobjfreelist (use single array to keep free lists).
+* Refactoring of thread-local *_freelists (use single array of free lists).
+* Refine description in README how to build from source repository.
+* Refine GC_free_space_divisor comment regarding its initial value.
+* Reformat code of gc_cpp.cc/h.
+* Remove 'opp' local variable in GC_malloc_X.
+* Remove 'sig' argument of GC_suspend_handler_inner (code refactoring).
+* Remove code commented out by 'ifdef UNDEFINED'.
+* Remove hb_large_block field (use 1 extra bit of hb_flags instead).
+* Remove obsolete BACKING_STORE_ALIGNMENT/DISPLACEMENT macros for Linux/IA64.
+* Remove redundant casts in GC_generic_or_special_malloc and similar.
+* Remove unsupported FreeBSD/ia64 case from gcconfig.h file.
+* Remove unused GC_gcjdebugobjfreelist.
+* Rename ATOMIC_UNCOLLECTABLE to GC_ATOMIC_UNCOLLECTABLE.
+* Replace non-API occurrences of GC_word to word (code refactoring).
+* Return GC_UNIMPLEMENTED instead of abort in GC_get_stack_base (OS/2).
+* Show WoW64 warning message if running 32-bit on Win64 (enabled by macro).
+* Standalone profiling callback for threads suspend/resume.
+* Support (add machine description for) TILE-Gx and TILEPro targets.
+* Support build for Android 64-bit (arm64, mips64, x86_64).
+* Support FreeBSD/aarch64, FreeBSD/mips.
+* Support iOS7 64-bit (AArch64) and iOS8+ 32/64-bit (Darwin).
+* Support MinGW build in scripts.
+* Turn off sigsetjmp workaround for Android/x86 starting from NDK r8e.
+* Use magic header on objects to improve disclaim_test.
+* Workaround 'sa_sigaction member missing' compiler error (Android/x32).
+* Workaround 'unresolved __tls_get_addr' error for Android NDK Clang.
+* Workaround a bug in winpthreads causing parallel marks deadlock (MinGW).
+Also, includes 7.4.4 changes.
+
+
 == [7.4.4] 2016-05-25 ==
 
 * Allow GC_FAST_MALLOC_GRANS() multiple use in a function.

gc/EMX_MAKEFILE

@@ -4,8 +4,6 @@
 #  You need GNU Make 3.71, gcc 2.5.7, emx 0.8h and GNU fileutils 3.9
 #  or similar tools. C++ interface and de.exe weren't tested.
 #
-#  Rename this file "Makefile".
-#
 
 # Primary targets:
 # gc.a - builds basic library
@@ -18,10 +16,11 @@ CC= gcc
 CXX=g++
 # Needed only for "make c++", which adds the c++ interface
 
-CFLAGS= -O -DALL_INTERIOR_POINTERS
+CFLAGS= -O -DALL_INTERIOR_POINTERS -I$(srcdir)/include
 # Setjmp_test may yield overly optimistic results when compiled
 # without optimization.
 
+CXXFLAGS= $(CFLAGS)
 AR= ar
 RANLIB= ar s
 
@@ -34,26 +33,22 @@ OBJS= alloc.o reclaim.o allchblk.o misc.o mach_dep.o os_dep.o mark_rts.o headers
 
 CORD_OBJS= cord/cordbscs.o cord/cordxtra.o cord/cordprnt.o
 
-CORD_INCLUDE_FILES= $(srcdir)/gc.h $(srcdir)/cord/cord.h $(srcdir)/cord/ec.h \
-           $(srcdir)/cord/cord_pos.h
+CORD_INCLUDE_FILES= $(srcdir)/include/gc.h $(srcdir)/include/cord.h \
+    $(srcdir)/include/ec.h $(srcdir)/include/cord_pos.h
 
 # Libraries needed for curses applications.  Only needed for de.
 CURSES= -lcurses -ltermlib
 
-# The following is irrelevant on most systems.  But a few
-# versions of make otherwise fork the shell specified in
-# the SHELL environment variable.
-SHELL= bash
-
-SPECIALCFLAGS =
+SPECIALCFLAGS = -I$(srcdir)/include
 # Alternative flags to the C compiler for mach_dep.c.
 # Mach_dep.c often doesn't like optimization, and it's
 # not time-critical anyway.
 
 all: gc.a gctest.exe
 
-$(OBJS) test.o: $(srcdir)/gc_priv.h $(srcdir)/gc_hdrs.h $(srcdir)/gc.h \
-    $(srcdir)/gcconfig.h $(srcdir)/gc_typed.h
+$(OBJS) test.o: $(srcdir)/include/private/gc_priv.h \
+    $(srcdir)/include/private/gc_hdrs.h $(srcdir)/include/gc.h \
+    $(srcdir)/include/private/gcconfig.h $(srcdir)/include/gc_typed.h
 # The dependency on Makefile is needed.  Changing
 # options affects the size of GC_arrays,
 # invalidating all .o files that rely on gc_priv.h
@@ -67,17 +62,13 @@ gc.a: $(OBJS)
 cords: $(CORD_OBJS) cord/cordtest.exe
 	$(AR) ru gc.a $(CORD_OBJS)
 	$(RANLIB) gc.a
-	cp $(srcdir)/cord/cord.h include/cord.h
-	cp $(srcdir)/cord/ec.h include/ec.h
-	cp $(srcdir)/cord/cord_pos.h include/cord_pos.h
 
-gc_cpp.o: $(srcdir)/gc_cpp.cc $(srcdir)/gc_cpp.h
-	$(CXX) -c -O $(srcdir)/gc_cpp.cc
+gc_cpp.o: $(srcdir)/gc_cpp.cc $(srcdir)/include/gc_cpp.h
+	$(CXX) -c $(CXXFLAGS) $(srcdir)/gc_cpp.cc
 
-c++: gc_cpp.o $(srcdir)/gc_cpp.h
+c++: gc_cpp.o $(srcdir)/include/gc_cpp.h
 	$(AR) ru gc.a gc_cpp.o
 	$(RANLIB) gc.a
-	cp $(srcdir)/gc_cpp.h include/gc_cpp.h
 
 mach_dep.o: $(srcdir)/mach_dep.c
 	$(CC) -o mach_dep.o -c $(SPECIALCFLAGS) $(srcdir)/mach_dep.c
@@ -112,7 +103,7 @@ gctest.exe: tests/test.o gc.a
 # If an optimized setjmp_test generates a segmentation fault,
 # odds are your compiler is broken.  Gctest may still work.
 # Try compiling setjmp_t.c unoptimized.
-setjmp_test.exe: $(srcdir)/tools/setjmp_t.c $(srcdir)/gc.h
+setjmp_test.exe: $(srcdir)/tools/setjmp_t.c $(srcdir)/include/gc.h
 	$(CC) $(CFLAGS) -o setjmp_test.exe $(srcdir)/tools/setjmp_t.c
 
 test: setjmp_test.exe gctest.exe

gc/Makefile.am

@@ -126,7 +126,7 @@ EXTRA_DIST += gc_cpp.cpp
 # ----
 
 AM_CXXFLAGS = @GC_CFLAGS@
-AM_CFLAGS = @GC_CFLAGS@
+AM_CFLAGS = $(WERROR_CFLAGS) @GC_CFLAGS@
 
 ## FIXME: relies on internal code generated by automake.
 ## FIXME: ./configure --enable-dependency-tracking should be used
@@ -171,8 +171,7 @@ EXTRA_DIST += README.QUICK
 # :GOTCHA: deliberately we do not include 'Makefile'
 EXTRA_DIST += BCC_MAKEFILE NT_MAKEFILE \
     OS2_MAKEFILE PCR-Makefile digimars.mak EMX_MAKEFILE \
-    Makefile.direct Makefile.dj SMakefile.amiga \
-    WCC_MAKEFILE autogen.sh build_atomic_ops.sh build_atomic_ops.sh.cygwin \
+    Makefile.direct SMakefile.amiga WCC_MAKEFILE autogen.sh \
     NT_STATIC_THREADS_MAKEFILE NT_X64_STATIC_THREADS_MAKEFILE \
     NT_X64_THREADS_MAKEFILE CMakeLists.txt tests/CMakeLists.txt