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* src/alloc.c: Convert function definitions to standard C. * src/atimer.c: * src/bidi.c: * src/bytecode.c: * src/callint.c: * src/callproc.c: * src/casefiddle.c: * src/casetab.c: * src/category.c: * src/ccl.c: * src/character.c: * src/charset.c: * src/chartab.c: * src/cmds.c: * src/coding.c: * src/composite.c: * src/data.c: * src/dbusbind.c: * src/dired.c: * src/dispnew.c: * src/doc.c: * src/doprnt.c: * src/ecrt0.c: * src/editfns.c: * src/fileio.c: * src/filelock.c: * src/filemode.c: * src/fns.c: * src/font.c: * src/fontset.c: * src/frame.c: * src/fringe.c: * src/ftfont.c: * src/ftxfont.c: * src/gtkutil.c: * src/indent.c: * src/insdel.c: * src/intervals.c: * src/keymap.c: * src/lread.c: * src/macros.c: * src/marker.c: * src/md5.c: * src/menu.c: * src/minibuf.c: * src/prefix-args.c: * src/print.c: * src/ralloc.c: * src/regex.c: * src/region-cache.c: * src/scroll.c: * src/search.c: * src/sound.c: * src/strftime.c: * src/syntax.c: * src/sysdep.c: * src/termcap.c: * src/terminal.c: * src/terminfo.c: * src/textprop.c: * src/tparam.c: * src/undo.c: * src/unexelf.c: * src/window.c: * src/xfaces.c: * src/xfns.c: * src/xfont.c: * src/xftfont.c: * src/xgselect.c: * src/xmenu.c: * src/xrdb.c: * src/xselect.c: * src/xsettings.c: * src/xsmfns.c: * src/xterm.c: Likewise.
93 lines
3 KiB
C
93 lines
3 KiB
C
/* C code startup routine.
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Copyright (C) 1985, 1986, 1992, 2001, 2002, 2003, 2004,
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2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
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This file is part of GNU Emacs.
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GNU Emacs is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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GNU Emacs is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
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/* The standard Vax 4.2 Unix crt0.c cannot be used for Emacs
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because it makes `environ' an initialized variable.
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It is easiest to have a special crt0.c on all machines
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though I don't know whether other machines actually need it. */
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/* On the vax and 68000, in BSD4.2 and USG5.2,
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this is the data format on startup:
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(vax) ap and fp are unpredictable as far as I know; don't use them.
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sp -> word containing argc
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word pointing to first arg string
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[word pointing to next arg string]... 0 or more times
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0
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Optionally:
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[word pointing to environment variable]... 1 or more times
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...
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0
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And always:
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first arg string
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[next arg string]... 0 or more times
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*/
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#ifdef emacs
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#include <config.h>
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#endif
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/* ******** WARNING ********
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Do not insert any data definitions before data_start!
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Since this is the first file linked, the address of the following
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variable should correspond to the start of initialized data space.
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On some systems this is a constant that is independent of the text
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size for shared executables. On others, it is a function of the
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text size. In short, this seems to be the most portable way to
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discover the start of initialized data space dynamically at runtime,
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for either shared or unshared executables, on either swapping or
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virtual systems. It only requires that the linker allocate objects
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in the order encountered, a reasonable model for most Unix systems.
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Similarly, note that the address of _start() should be the start
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of text space. Fred Fish, UniSoft Systems Inc. */
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int data_start = 0;
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char **environ;
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static start1 (int bogus_fp, int argc, char *xargv);
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/* Define symbol "start": here; some systems want that symbol. */
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asm(" .text ");
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asm(" .globl start ");
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asm(" start: ");
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_start (void)
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{
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/* On vax, nothing is pushed here */
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start1 ();
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}
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static
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start1 (int bogus_fp, int argc, char *xargv)
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{
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register char **argv = &xargv;
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environ = argv + argc + 1;
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if ((char *)environ == xargv)
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environ--;
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exit (main (argc, argv, environ));
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/* Refer to `start1' so GCC will not think it is never called
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and optimize it out. */
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(void) &start1;
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}
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/* arch-tag: 4025c2fb-d6b1-4d29-b1b6-8100b6bd1e74
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(do not change this comment) */
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