* src/gmalloc.c: Don't include <stdlib.h>. Declare system malloc and
friends before defining hybrid_malloc and friends if HYBRID_MALLOC
is defined. (Bug#18368)
dumping and the system malloc after dumping. (Bug#18222)
* configure.ac (HYBRID_MALLOC): New macro; define to use gmalloc
before dumping and the system malloc after dumping. Define on Cygwin.
* src/conf_post.h (malloc, realloc, calloc, free) [HYBRID_MALLOC]:
Define as macros, expanding to hybrid_malloc, etc.
(HYBRID_GET_CURRENT_DIR_NAME): New macro.
(get_current_dir_name) [HYBRID_GET_CURRENT_DIR_NAME]: Define as
macro.
* src/gmalloc.c: Set up the infrastructure for HYBRID_MALLOC, with a
full implementation on Cygwin. Remove Cygwin-specific code that
is no longer needed.
(malloc, realloc, calloc, free, aligned_alloc) [HYBRID_MALLOC]:
Redefine as macros expanding to gmalloc, grealloc, etc.
(DUMPED, ALLOCATED_BEFORE_DUMPING) [CYGWIN]: New macros.
(get_current_dir_name) [HYBRID_GET_CURRENT_DIR_NAME]: Undefine.
(USE_PTHREAD, posix_memalign) [HYBRID_MALLOC]: Don't define.
(hybrid_malloc, hybrid_calloc, hybrid_free, hybrid_realloc)
[HYBRID_MALLOC]:
(hybrid_get_current_dir_name) [HYBRID_GET_CURRENT_DIR_NAME]:
(hybrid_aligned_alloc) [HYBRID_MALLOC && (HAVE_ALIGNED_ALLOC ||
HAVE_POSIX_MEMALIGN)]: New functions.
* src/alloc.c (aligned_alloc) [HYBRID_MALLOC && (ALIGNED_ALLOC ||
HAVE_POSIX_MEMALIGN)]: Define as macro expanding to
hybrid_aligned_alloc; declare.
(USE_ALIGNED_ALLOC) [HYBRID_MALLOC && (ALIGNED_ALLOC ||
HAVE_POSIX_MEMALIGN)]: Define.
(refill_memory_reserve) [HYBRID_MALLOC]: Do nothing.
* src/sysdep.c (get_current_dir_name) [HYBRID_GET_CURRENT_DIR_NAME]:
Define as macro, expanding to gget_current_dir_name, and define
the latter.
* src/emacs.c (main) [HYBRID_MALLOC]: Don't call memory_warnings() or
malloc_enable_thread(). Don't initialize malloc.
* src/lisp.h (NONPOINTER_BITS) [CYGWIN]: Define (because GNU_MALLOC is
no longer defined on Cygwin).
(refill_memory_reserve) [HYBRID_MALLOC]: Don't declare.
* src/sheap.c (bss_sbrk_buffer_end): New variable.
* src/unexcw.c (__malloc_initialized): Remove variable.
* src/ralloc.c: Throughout, treat HYBRID_MALLOC the same as
SYSTEM_MALLOC.
* src/xdisp.c (decode_mode_spec) [HYBRID_MALLOC]: Don't check
Vmemory_full.
src/gmalloc.c (aligned_alloc): Don't allocate more memory than
needed, and don't reallocate if the initial allocation already
fits the bill. Suggested by Ken Brown <kbrown@cornell.edu>.
Fixes: debbugs:16901
src/gmalloc.c (aligned_alloc): Fix adjustment of size of the
allocated buffer due to alignment.
(freehook): If the block to be freed was allocated by
'aligned_alloc', find its real pointer before calling 'free'.
(mabort) [emacs]: Call 'emacs_abort', not 'abort', to provide a
backtrace.
Fixes: debbugs:16901
This incorporates:
2013-11-08 extern-inline: port better to OS X 10.9
2013-11-08 fpending: fix regression on DragonFly BSD
* lib/fpending.h, m4/extern-inline.m4, m4/fpending.m4:
Update from gnulib.
* configure.ac (GMALLOC_OBJ): Initialize to empty if !system_malloc
and doug_lea_malloc.
(aligned_alloc): Test for existence if !GMALLOC_OBJ and not darwin.
(posix_memalign): Test for existence only if !GMALLOC_OBJ and
not darwin and !aligned_alloc.
* src/alloc.c (USE_ALIGNED_ALLOC): New symbol.
(USE_POSIX_MEMALIGN): Remove. All uses replaced with USE_ALIGNED_ALLOC,
and use of posix_memalign replaced with aligned_alloc.
(aligned_alloc): New function, defined or declared as needed.
* src/conf_post.h (HAVE_POSIX_MEMALIGN) [DARWIN_OS]:
Don't undef; configure.ac now does this.
* src/gmalloc.c (aligned_alloc) [MSDOS]: New decl.
(calloc, aligned_alloc): Check for integer overflow.
(aligned_alloc): Rename from memalign. All uses changed.
(memalign): New function, an alias for aligned_alloc.
src/w32term.h (SCROLL_BAR_PACK, SCROLL_BAR_UNPACK): Define for x64.
(SET_SCROLL_BAR_W32_WINDOW): Cast ID to intptr_t, for
compatibility with x64.
src/w32term.c (w32_draw_underwave): Don't use GCC extensions for
defining an XRectangle structure.
src/w32proc.c (RVA_TO_PTR, w32_executable_type): Fix pointer
arithmetics for compatibility with x64.
src/w32menu.c (add_menu_item): Use UINT_PTR instead of UINT, for
compatibility with x64.
src/w32heap.h: Adjust prototypes and declarations.
src/w32heap.c (RVA_TO_PTR, allocate_heap, sbrk, init_heap)
(round_heap): Use DWORD_PTR, ptrdiff_t and size_t instead of
DWORD, long, and unsigned long, for compatibility with x64.
(allocate_heap) [_WIN64]: Reserve 32GB of memory.
(sbrk): Argument is now of type ptrdiff_t.
src/w32fns.c (HMONITOR): Condition declaration on _WIN32_WINNT being
less than 0x0500.
(w32_msg_pump): Use WPARAM type for 'result'.
src/w32.c (init_environment, get_emacs_configuration): Support AMD64
architecture.
(init_ntproc): Cast arguments of _open_osfhandle to intptr_t, for
compatibility with x64.
src/vm-limit.c (lim_data): Now size_t.
(check_memory_limits): Adjust prototypes of real_morecore and
__morecore to receive argument of type ptrdiff_t. Use size_t for
five_percent and data_size.
src/unexw32.c: Use DWORD_PTR instead of DWORD for file-scope
variables, for compatibility with x64.
(rva_to_section, offset_to_section, relocate_offset)
(OFFSET_TO_RVA, RVA_TO_OFFSET, RVA_TO_SECTION_OFFSET)
(PTR_TO_RVA, RVA_TO_PTR, OFFSET_TO_PTR, get_section_info)
(copy_executable_and_dump_data): Use DWORD_PTR instead of DWORD
for compatibility with x64.
src/sysdep.c (STDERR_FILENO): Define if not already defined.
src/ralloc.c (real_morecore): Argument type is now ptrdiff_t.
(__morecore): Argument type is now ptrdiff_t.
(ROUNDUP, MEM_ROUNDUP): Use size_t instead of 'unsigned long'.
(relinquish): Use ptrdiff_t type for 'excess'.
(r_alloc_sbrk): Argument type is now ptrdiff_t.
src/makefile.w32-in (HEAPSIZE): Get value from EMACS_HEAPSIZE.
(bootstrap-temacs-CMD, bootstrap-temacs-SH): Use $(EMACS_PURESIZE)
instead of a literal number.
src/gmalloc.c [WINDOWSNT]: Include w32heap.h.
(min): Define only if not already defined.
src/frame.c (x_report_frame_params): Use EMACS_UINT for the return
value of FRAME_X_WINDOW, to fit a 64-bit pointer on 64-bit Windows
hosts.
src/image.c (x_bitmap_pixmap): Return ptrdiff_t, not int, since
'bitmaps' is a pointer.
src/dispextern.h (x_bitmap_pixmap): Adjust prototype.
src/alloc.c (gdb_make_enums_visible): Now conditional on __GNUC__.
nt/makefile.w32-in ($(TRES)): Use $(EMACS_MANIFEST).
nt/inc/sys/socket.h: Don't map Winsock error codes to standard ones
that are already defined.
nt/inc/ms-w32.h (EMACS_INT, EMACS_UINT, EMACS_INT_MAX, PRIuMAX)
(pI, _INTPTR) [_MSC_VER]: Fix definitions for MSVC.
[_MSC_VER]: Add pragmas to suppress some MSVC warnings.
nt/preprep.c (pfnCheckSumMappedFile, rva_to_section)
(offset_to_section, relocate_offset, OFFSET_TO_RVA)
(RVA_TO_OFFSET, RVA_TO_SECTION_OFFSET, PTR_TO_RVA)
(OFFSET_TO_PTR, ROUND_UP, ROUND_DOWN)
(copy_executable_and_move_sections, ADJUST_IMPORT_RVA, main): Use
DWORD_PTR instead of DWORD for compatibility with x64.
nt/nmake.defs: Support AMD64.
(EMACS_HEAPSIZE, EMACS_PURESIZE, EMACS_MANIFEST): New macros.
nt/gmake.defs: (EMACS_HEAPSIZE, EMACS_PURESIZE, EMACS_MANIFEST):
New macros.
nt/addsection.c (pfnCheckSumMappedFile, rva_to_section)
(offset_to_section, relocate_offset, OFFSET_TO_RVA)
(RVA_TO_OFFSET, RVA_TO_SECTION_OFFSET, PTR_TO_RVA)
(OFFSET_TO_PTR, ROUND_UP, ROUND_DOWN)
(copy_executable_and_add_section, main): Use DWORD_PTR instead of
DWORD, for compatibility with x64.
nt/emacs-x64.manifest: New file.
nt/emacs-x86.manifest: Renamed from emacs.manifest.
lib-src/ntlib.c (gettimeofday): Copy from src/w32.c. lib/gettime.
needs this function.
msdos/sed1v2.inp: In the recipe for $(leimdir)/leim-list.el, edit the
prerequisites to be "temacs$(EXEEXT) $(BOOTSTRAPEMACS)", to avoid
the need to rebuild $(bootstrap_exe), which requires a Unixy shell
via lisp/Makefile.in's "update-subdirs" command.
msdos/sedlibmk.inp (am_libgnu_a_OBJECTS): Adjust the removal of
careadlinkat.$(OBJEXT) to the changes in lib/Makefile.in.
msdos/sed2v2.inp (DATA_START, GC_SETJMP_WORKS, HAVE_MENUS)
(HAVE_MOUSE): Edit for DJGPP, according to what was previously
done on src/s/msdos.h.
msdos/gmalloc.c (GMALLOC_INHIBIT_VALLOC): Don't reference.
src/s/msdos.h (BSD_SYSTEM, DATA_START, GC_SETJMP_WORKS, HAVE_MOUSE)
(HAVE_MENUS): Don't define, defined by editing config.in with
msdos/sed2v2.inp.
(GMALLOC_INHIBIT_VALLOC): Don't define.
(MODE_LINE_BINARY_TEXT): Remove, not used anymore.
* gmalloc.c: (_MALLOC_INTERNAL, _MALLOC_H, _PP, __ptr_t)
(__malloc_size_t, __malloc_ptrdiff_t):
Remove. All uses removed, replaced by the definiens if needed,
since we can assume C89 or better now.
Include <stdint.h>, for PTRDIFF_MAX, uintptr_t.
(protect_malloc_state, align, get_contiguous_space)
(malloc_atfork_handler_prepare, malloc_atfork_handler_parent)
(malloc_atfork_handler_child, malloc_enable_thread)
(malloc_initialize_1, __malloc_initialize, morecore_nolock)
(_malloc_internal_nolock, _malloc_internal, malloc, _malloc)
(_free, _realloc, _free_internal_nolock, _free_internal, free, cfree)
(special_realloc, _realloc_internal_nolock, _realloc_internal)
(realloc, calloc, __default_morecore, memalign, valloc, checkhdr)
(freehook, mallochook, reallochook, mabort, mcheck, mprobe):
Define using prototypes, not old style.
(align, _malloc_internal_nolock, _free_internal_nolock, memalign):
Don't assume ptrdiff_t and uintptr_t are no wider than unsigned long.
(align): Don't assume that signed integer overflow wraps around.
Omit unused local var.
(malloc_initialize_1, morecore_nolock, _malloc_internal_nolock)
(_free_internal_nolock, memalign, mallochook, reallochook):
Omit no-longer-needed casts.
(valloc): Use getpagesize, not __getpagesize.
(MAGICWORD, MAGICFREE): Now randomish size_t values, not 32-bit.
(struct hdr): The 'magic' member is now size_t, not unsigned long.
* src/gmalloc.c [CYGWIN] (bss_sbrk_heapbase, bss_sbrk_heapinfo): New
variables.
(malloc_initialize_1) [CYGWIN]: Prepare for reinitializing the
dumped emacs.
(_free_internal_nolock) [CYGWIN]: Ignore requests to free storage
in the static heap.
[CYGWIN] (special_realloc): New function.
(_realloc_internal_nolock) [CYGWIN]: Use the new function on
requests to realloc storage in the static heap.
* src/unexcw.c ( __malloc_initialized): Declare external variable.
(fixup_executable): Force the dumped emacs to reinitialize malloc.
Assume support for memcmp, memcpy, memmove, memset.
This simplifies the code a bit. All current platforms have these,
as they are required for C89. If this turns into a problem we
can add the gnulib modules for these (a 1-line change to Makefile.in).
* configure.in: Don't check for memcmp, memcpy, memmove, memset.
[lib-src/ChangeLog]
Assume support for memcmp, memcpy, memmove, memset.
* etags.c (absolute_filename): Assume memmove exists.
[src/ChangeLog]
Assume support for memcmp, memcpy, memmove, memset.
* lisp.h, sysdep.c (memcmp, memcpy, memmove, memset):
* regex.c (memcmp, memcpy):
Remove; we assume C89 now.
* gmalloc.c (memcpy, memset, memmove): Remove; we assume C89 now.
(__malloc_safe_bcopy): Remove; no longer needed.
[USE_PTHREAD] (LOCK, UNLOCK, LOCK_ALIGNED_BLOCKS)
(UNLOCK_ALIGNED_BLOCKS): Conditionalize with it.
(malloc_atfork_handler_prepare, malloc_atfork_handler_parent)
(malloc_atfork_handler_child, malloc_enable_thread) [USE_PTHREAD]:
New functions.
(_aligned_blocks_mutex) [USE_PTHREAD]: New variable.
(LOCK_ALIGNED_BLOCKS, UNLOCK_ALIGNED_BLOCKS): New macros.
(_free_internal, memalign): Use them.
(_malloc_mutex, _aligned_blocks_mutex) [USE_PTHREAD]:
Initialize to PTHREAD_MUTEX_INITIALIZER.
(malloc_initialize_1) [USE_PTHREAD]: Don't use recursive mutex.
(morecore_nolock): Rename from morecore. All uses changed.
Use only nolock versions of internal allocation functions.
(_malloc_internal_nolock, _realloc_internal_nolock)
(_free_internal_nolock): New functions created from
_malloc_internal, _realloc_internal, and _free_internal.
(_malloc_internal, _realloc_internal, _free_internal): Use them.
Copy hook value to automatic variable before its use.
(memalign): Copy hook value to automatic variable before its use.
[USE_PTHREAD]: Include pthread.h.
(malloc_init_once_control, _malloc_mutex) [USE_PTHREAD]: New variables.
(malloc_initialize_1): New function created from __malloc_initialize.
(__malloc_initialize): Use it.
(LOCK, UNLOCK): New macros to make malloc etc. thread safe.
(_malloc_internal, _free_internal, _realloc_internal): Use them.
