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Daniel Colascione d12e5d003d Add portable dumper 
Add a new portable dumper as an alternative to unexec.  Use it by default.

* src/dmpstruct.awk: New file.
* src/doc.c (get_doc_string): use will_dump_p().
* src/editfns.c (styled_format): silence compiler warning
with UNINIT.
* src/emacs-module.c (syms_of_module): staticpro ltv_mark.
* src/emacs.c (gflags): new variable.
(init_cmdargs): unwrap
(string_starts_with_p, find_argument, dump_error_to_string)
(load_pdump): new functions.
(main): detect pdumper and --temacs invocation; actually load
portable dump when detected; set gflags as appropriate; changes to
init functions throughout to avoid passing explicit
'initialized' argument.
* src/eval.c (inhibit_lisp_code): remove unused variable.
(init_eval_once_for_pdumper): new function.
(init_eval_once): call it.
* src/filelock.c: CANNOT_DUMP -> will_dump_p()
* src/fingerprint-dummy.c: new file
* src/fingerprint.h: new file
* src/fns.c: CANNOT_DUMP -> will_dump_p(), etc.
(weak_hash_tables): remove
(hashfn_equal, hashfn_eql): un-staticify
(make_hash_table): set new 'next_weak' hash table field; drop
global weak_hash_tables logic.
(copy_hash_table): drop global weak_hash_tables logic.
(hash_table_rehash): new function.
(hash_lookup, hash_put, hash_remove_from_table, hash_clear):
rehash if needed.
(sweep_weak_table): un-staticify; explain logic; bool-ify.
(sweep_weak_hash_tables): remove function.
* src/font.c (syms_of_font): remember pdumper stuff.
* src/fontset.c (syms_of_fontset): remember pdumper stuff.
* src/frame.c (make_initial_frame): don't reset Vframe_list.
(init_frame_once_for_pdumper, init_frame_once): new functions.
(syms_of_frame): remove redundant staticpro.
* src/fringe.c (init_fringe_once_for_pdumper): new functin.
(init_fringe_once): call it.
* src/ftcrfont.c (syms_of_ftcrfont_for_pdumper): new function.
(syms_of_ftcrfont): call it.
* src/ftfont.c (syms_of_ftfont_for_pdumper): new function.
(syms_of_ftfont): call it.
* src/ftxont.c (syms_of_ftxfont_for_pdumper): new function.
(syms_of_ftxfont): call it.
* src/gmalloc.c: adjust for pdumper througout
(DUMPED): remove weird custom dumped indicator.
* src/gnutls.c (syms_of_gnutls): pdumper note for
gnutls_global_initialized.
* src/image.c (syms_of_image): add pdumper comment,
initializer note.
* src/insdel.c (prepare_to_modify_buffer_1): account
for buffer contents possibly being in dump image.
* src/keyboard.c (syms_of_keyboard_for_pdumper): new function.
(syms_of_keyboard): staticpro more; call pdumper syms function.
* src/lisp.h: add comments throughout
(gflags): declare.
(will_dump_p, will_bootstrap_p, will_dump_with_pdumper_p)
(dumped_with_pdumper_p, will_dump_with_unexec_p)
(dumped_with_unexec_p, definitely_will_not_unexec_p): new
functions.
(POWER_OF_2, ROUNDUP): move macros.
(PSEUDOVECTOR_TYPE, PSEUDOVECTOR_TYPEP): take vectorlike header
pointer instead of vector; constify.
(Lisp_Hash_Table): add comment about need to rehash on access; add
comment for next_weak.
(HASH_KEY, HASH_VALUE, HASH_HASH, HASH_TABLE_SIZE): const-ify.
(hash_table_rehash): declare.
(hash_rehash_needed_p, hash_rehash_if_needed): new functions.
(finalizers, doomed_finalizers): declare extern.
(SUBR_SECTION_ATTRIBUTE): new macro.
(staticvec, staticidx): un-static-ify.
(sweep_weak_hash_tables): remove declaration.
(sweep_weak_table): declare.
(hashfn_eql, hashfn_equal): declare.
(number_finalizers_run): new variable.
(Vdead): externify when ENABLE_CHECKING.
(gc_root_type): new enumeration.
(gc_root_visitor): new struct.
(visit_static_gc_roots): declare.
(vectorlike_nbytes): declare.
(vector_nbytes): define as trivial inline function wrapper for
vectorlike_nbytes.
(init_obarray_once): change signature.
(primary_thread): extern-ify.
(init_buffer): change signature.
(init_frame_once): declare.
* src/lread.c (readevalloop): adjust for new dumped predicates.
(init_obarray_once): new function.
(ndefsubr): new variable.
(defsubr): increment it.
(load_path_check): adjust for pdumper.
(load_path_default): use pdumper functions; adjust for
dump search.
* src/macfont.m (macfont_init_font_change_handler): avoid
shadowing global.
(syms_of_macfont_for_pdumper): new function.
(syms_of_macfont): call it.
* src/menu.c (syms_of_menu): staticpro more stuff.
* src/minibuf.c (Ftry_completion): rehash if needed.
(init_minibuf_once_for_pdumper): new function.
(init_minibuf_once): call it.
* src/nsfont.m (syms_of_nsfns): staticpro more.
* src/nsfont.m (syms_of_nsfont_for_pdumper): new function.
(syms_of_nsfont): call it.
* src/nsterm.m (syms_of_nsfont): remember pdumper stuff.
* src/pdumper.c: new file.
* src/pdumper.h: new file.
* src/process.c (init_process_emacs): use new pdumper functions
instead of CANNOT_DUMP.
* src/profiler.c (syms_of_profiler_for_pdumper): new function.
(syms_of_profiler_for_pdumper): call it.
* src/search.c (syms_of_search_for_pdumper): new function.
(syms_of_search_for_pdumper): call it.
* src/sheap.c (bss_sbrk_did_unexec): remove.
* src/sheap.h (bss_sbrk_did_unexec): remove.
* src/syntax.c (syms_of_syntax): don't redundantly staticpro
re_match_object.
* src/sysdep.c: use will_dump_with_unexec_p() instead of bss
hack thing.
* src/syssignals.h (init_sigsegv): declare.
* src/systime.h (init_timefns): remove bool from signature.
* src/textprop.c (syms_of_textprop): move staticpro.
* src/thread.c (main_thread_p): constify.
* src/thread.h (main_thread_p): constify.
* src/timefns.c (init_timefns): remove bool from signature.
(syms_of_timefns_for_pdumper): new function.
(syms_of_timefns): call it.
* src/w32.c: rearrange code.
* src/w32.h (w32_relocate): declare.
* src/w32fns.c (syms_of_w32fns): add pdumper note.
* src/w32font.c (syms_of_w32font_for_pdumper): new function.
(syms_of_w32font): call it.
* src/w32heap.c (using_dynamic_heap): new variable.
(init_heap): use it.
* src/w32menu.c (syms_of_w32menu): add pdumper note.
* src/w32proc.c
(ctrl_c_handler, mainCRTStartup, _start, open_input_file)
(rva_to_section, close_file_data): move here.
* src/w32uniscribe.c (syms_of_w32uniscribe_for_pdumper):
new function.
(syms_of_w32uniscribe): call it.
* src/window.c (init_window_once_for_pdumper): new function.
(init_window_once): call it; staticpro more stuff.
* src/xfont.c (syms_of_xfont_for_pdumper): new function.
(syms_of_xfont): call it.
* src/xftfont.c (syms_of_xftfont_for_pdumper): new function.
(syms_of_xftfont): call it.
* src/xmenu.c (syms_of_xmenu_for_pdumper): new function.
(syms_of_xmenu): call it.
* src/xselect.c (syms_of_xselect_for_pdumper): new function.
(syms_of_xselect): call it.
* src/xsettings.c (syms_of_xsettings): add more pdumper notes.
* src/term.c (syms_of_xterm): add pdumper note.

* src/dispnew.c (init_faces_initial): new function.
(init_display_interactive): rename from init_display; use
will_dump_p instead of !initialized.  Initialize faces early for
pdumper if needed.
(init_display): new function.
(syms_of_display_for_pdumper): new function.
(syms_of_display): call it.

* src/dbusbind.c (syms_of_dbusbind): Add TODO for bus reset
on pdumper load.

* src/data.c (Fdefalias): Use will_dump_p
instead of Vpurify_flag.
(Fmake_variable_buffer_local): silence compiler warning with -Og
by making valcontents UNINIT.
(arith_driver): silence compiler warning with UNINIT.

* src/conf_post.h (ATTRIBUTE_SECTION): new macro.

* src/composite.c (composition_gstring_put_cache): rehash hash
table if needed.

* src/coding.c (init_coding_once, syms_of_coding): remember
pdumper stuff.

* src/charset.h (charset_table_size, charset_table_user): declare.

* src/charset.c (charset_table_used, charset_table_size): un-static.
(init_charset_oncem, syms_of_charset): remember pdumper stuff.

* src/category.c (category_table_version): remove obsolete
variable.

* src/callint.c (syms_of_callint): staticpro 'preserved_fns'
(init_callproc): use will_dump_p instead of !CANNOT_DUMP.

* src/bytecode.c (exec_byte_code): rehash table tables if needed

* src/buffer.c (alloc_buffer_text, free_buffer_text): account for
pdumper
(init_buffer_once): add TODO; remember stuff for pdumper.
(init_buffer): don't take initialized argument; adjust
for pdumper.

* src/atimer.c (init_atimer): initialize subr only if
!initialized.

* src/alloc.c: (vector_marked_p, set_vector_marked)
(vectorlike_marked_p, set_vectorlike_marked, cons_marked_p)
(set_cons_marked, string_marked_p, set_string_marked)
(symbol_marked_p, set_symbol_marked, interval_marked_p)
(set_interval_marked): new accessor routines.  Use them
instead of raw GC access throughout.
(Vdead): make non-static when ENABLE_CHECKING.
(vectorlike_nbytes): rename of 'vector_nbytes'; take a vectorlike
header as input instead of a vector.
(number_finalizers_run): new internal C variable.
(mark_maybe_object): check for pdumper objects.
(valid_pointer_p): don't be gratuitously inefficient under rr(1).
(make_pure_c_string): add support for size_byte = -2 mode
indicating that string data points into Emacs image rodata.
(visit_vectorlike_root): visits GC roots embedded in
vectorlike objects.
(visit_buffer_root): visits GC roots embedded in
our totally-not-a-buffer buffer global objects.
(visit_static_gc_roots): visit GC roots in the Emacs data section.
(mark_object_root_visitor): root callback used for conventional GC
marking
(weak_hash_tables): new internal variable for tracking found weak
hash tables during GC.
(mark_and_sweep_weak_table_contents): new weak hash table marking.
(garbage_collect_1): use new GC root visitor machinery.
(mark_vectorlike): accept a vectorlike_header instead of a
Lisp_Vector.
(mark_frame, mark_window, mark_hash_table): new functions.
(mark_object): initialize 'm'; check for pdumper objects and use
new mark-bit accessors throughout.  Remove some object-specific
marking code and move to helper functions above.
(survives_gc_p): check for pdumper objects.
(gc-sweep): clear pdumper mark bits.
(init_alloc_once_for_pdumper): new helper function for early init
called both during normal init and pdumper load.
(init_alloc_once): pdumper integration.

* src/Makefile.in: Rewrite dumping for pdumper; add pdumper.o;
invoke temacs with --temacs command line option; build dmpstruct.h
from dmpstruct.awk; stop relying on CANNOT_DUMP; clean up pdumper
intermediate files during build.

* nextstep/Makefile.in: build emacs.pdmp into NS packages

* lisp/startup.el: account for new '--temacs' and '--dump-file'
command line option.

* lisp/loadup.el: rewrite early init to account for pdumper; use
injected 'dump-mode' variable (set via the new '--temacs' option)
instead of parsing command line.

* lisp/cus-start.el: Check 'dump-mode' instead of 'purify-flag',
since the new 'dump-mode'

* lib-src/make-fingerprint.c: new program

* lib-src/Makefile.in: built make-fingerprint utility program

* configure.ac: Add --with-pdumper toggle to control pdumper
support; add --with-unexec toggle to control unexec support.
Add --with-dumping option to control which dumping strategy we use
by default.  Adjust for pdumper throughout.  Check for
posix_madvise.

* Makefile.in: Add @DUMPING@ substitution; add pdumper mode.

* .gitignore: Add make-fingerprint, temacs.in, fingerprint.c,
dmpstruct.h, and pdumper dump files.
2019-01-15 17:37:36 -05:00

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# Files that Git should ignore in the Emacs source directory.
# Copyright 2009-2019 Free Software Foundation, Inc.
# This file is part of GNU Emacs.
# GNU Emacs is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
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# GNU Emacs is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
# Currently we assume only Git 1.7.1 (April 2010) or later, so this
# file does not rely on "**" in patterns. The "**" feature was added
# in Git 1.8.2 (March 2013).
# Built by 'autogen.sh'.
/aclocal.m4
/configure
src/config.in
# Built by 'configure'.
Info.plist
InfoPlist.strings
Makefile
makefile
!etc/refcards/Makefile
!test/lisp/progmodes/flymake-resources/Makefile
!test/manual/etags/Makefile
!test/manual/etags/make-src/Makefile
!test/manual/indent/Makefile
/*.cache
/confdefs.h
/config.status
/configure.lineno
/conftest*
lib/gnulib.mk
src/config.h
src/epaths.h
src/emacs-module.h
# C-level sources built by 'make'.
lib/alloca.h
lib/byteswap.h
lib/dirent.h
lib/errno.h
lib/execinfo.h
lib/fcntl.h
lib/getopt.h
lib/getopt-cdefs.h
lib/ieee754.h
lib/inttypes.h
lib/libgnu.a
lib/limits.h
lib/signal.h
lib/std*.h
!lib/std*.in.h
!lib/stdio-impl.h
lib/string.h
lib/sys/
lib/time.h
lib/unistd.h
src/buildobj.h
src/globals.h
src/lisp.mk
# Lisp-level sources built by 'make'.
*cus-load.el
*loaddefs.el
lisp/cedet/semantic/bovine/c-by.el
lisp/cedet/semantic/bovine/make-by.el
lisp/cedet/semantic/bovine/scm-by.el
lisp/cedet/semantic/wisent/javat-wy.el
lisp/cedet/semantic/wisent/js-wy.el
lisp/cedet/semantic/wisent/python-wy.el
lisp/cedet/srecode/srt-wy.el
lisp/eshell/esh-groups.el
lisp/finder-inf.el
lisp/leim/ja-dic/
lisp/leim/leim-list.el
lisp/leim/quail/4Corner.el
lisp/leim/quail/ARRAY30.el
lisp/leim/quail/CCDOSPY.el
lisp/leim/quail/CTLau.el
lisp/leim/quail/CTLau-b5.el
lisp/leim/quail/ECDICT.el
lisp/leim/quail/ETZY.el
lisp/leim/quail/PY-b5.el
lisp/leim/quail/PY.el
lisp/leim/quail/Punct.el
lisp/leim/quail/Punct-b5.el
lisp/leim/quail/QJ.el
lisp/leim/quail/QJ-b5.el
lisp/leim/quail/SW.el
lisp/leim/quail/TONEPY.el
lisp/leim/quail/ZIRANMA.el
lisp/leim/quail/ZOZY.el
lisp/leim/quail/quick-b5.el
lisp/leim/quail/quick-cns.el
lisp/leim/quail/tsang-b5.el
lisp/leim/quail/tsang-cns.el
lisp/mh-e/mh-autoloads.el
lisp/subdirs.el
# Dependencies.
deps/
# Logs and temporaries.
*.log
*.tmp
# Time stamps.
*.stamp
stamp_BLD
src/gl-stamp
# Object files and debugging.
*.a
*.dSYM/
*.dll
*.core
*.elc
*.o
*.res
*.so
core
core.*[0-9]
gmon.out
oo/
oo-spd/
src/*.map
vgcore.*[0-9]
# Tests.
test/manual/biditest.txt
test/manual/etags/srclist
test/manual/etags/regexfile
test/manual/etags/ETAGS
test/manual/etags/CTAGS
test/manual/indent/*.new
# ctags, etags.
TAGS
!admin/notes/tags
# GNU global.
GPATH
GSYMS
GRTAGS
GTAGS
# GNU idutils.
ID
# Executables.
*.exe
a.out
lib-src/blessmail
lib-src/ctags
lib-src/ebrowse
lib-src/emacsclient
lib-src/etags
lib-src/hexl
lib-src/make-docfile
lib-src/make-fingerprint
lib-src/movemail
lib-src/profile
lib-src/test-distrib
lib-src/update-game-score
nextstep/Cocoa/Emacs.base/Contents/Info.plist
nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj
nextstep/Emacs.app/
nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop
nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist
src/bootstrap-emacs
src/emacs
src/emacs-[0-9]*
src/temacs
src/temacs.in
src/fingerprint.c
src/dmpstruct.h
src/*.pdmp
# Character-set info.
admin/charsets/jisx2131-filter
admin/unidata/unidata.txt
etc/charsets/*.map
lisp/international/charprop.el
lisp/international/charscript.el
lisp/international/cp51932.el
lisp/international/eucjp-ms.el
lisp/international/uni-*.el
# Documentation.
*.aux
*.cm
*.cms
*.cp
*.cps
*.doc
*.dvi
*.fn
*.fns
*.info
*.ky
*.kys
*.op
*.ops
*.pdf
!doc/lispintro/cons-*.pdf
!doc/lispintro/drawers.pdf
!doc/lispintro/lambda-*.pdf
!etc/refcards/gnus-logo.pdf
*.pg
*.pgs
*.pj
*.pjs
*.sc
*.scs
*.t2d/
*.tg
*.tgs
*.toc
*.tp
*.tps
*.vr
*.vrs
doc/*/*.html
doc/*/*/*.html
doc/*/*.ps
doc/*/*/*.ps
doc/emacs/emacsver.texi
doc/man/emacs.1
doc/misc/cc-mode.ss
etc/DOC
etc/refcards/emacsver.tex
gnustmp*
/info/
# Version control and locks.
*.orig
*.rej
*.swp
*~
.#*
\#*\#
ChangeLog
[0-9]*.patch
[0-9]*.txt
.dir-locals?.el
/vc-dwim-log-*
# Built by 'make install'.
etc/emacs.tmpdesktop
# Distribution directories.
/emacs-[1-9]*/
# Microsoft-related builds and installations.
*.in-h
_*
!lib/_Noreturn.h
!m4/_*.m4
/bin/
/BIN/
/data/
etc/icons/
lib/cxxdefs.h
lib/SYS/
/libexec/
/lock/
/README.W32
/share/
/site-lisp/
nt/emacs.rc
nt/emacsclient.rc
src/gdb.ini
/var/
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