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Diffstat (limited to 'src/ecrt0.c')
-rw-r--r-- | src/ecrt0.c | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/src/ecrt0.c b/src/ecrt0.c deleted file mode 100644 index 458771319c7..00000000000 --- a/src/ecrt0.c +++ /dev/null @@ -1,95 +0,0 @@ -/* C code startup routine. - Copyright (C) 1985, 1986, 1992, 2001, 2002, 2003, 2004, - 2005, 2006, 2007, 2008, 2009, 2010 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 -(at your option) any later version. - -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 <http://www.gnu.org/licenses/>. */ - - -/* The standard Vax 4.2 Unix crt0.c cannot be used for Emacs - because it makes `environ' an initialized variable. - It is easiest to have a special crt0.c on all machines - though I don't know whether other machines actually need it. */ - -/* On the vax and 68000, in BSD4.2 and USG5.2, - this is the data format on startup: - (vax) ap and fp are unpredictable as far as I know; don't use them. - sp -> word containing argc - word pointing to first arg string - [word pointing to next arg string]... 0 or more times - 0 -Optionally: - [word pointing to environment variable]... 1 or more times - ... - 0 -And always: - first arg string - [next arg string]... 0 or more times -*/ - -#ifdef emacs -#include <config.h> -#endif - -/* ******** WARNING ******** - Do not insert any data definitions before data_start! - Since this is the first file linked, the address of the following - variable should correspond to the start of initialized data space. - On some systems this is a constant that is independent of the text - size for shared executables. On others, it is a function of the - text size. In short, this seems to be the most portable way to - discover the start of initialized data space dynamically at runtime, - for either shared or unshared executables, on either swapping or - virtual systems. It only requires that the linker allocate objects - in the order encountered, a reasonable model for most Unix systems. - Similarly, note that the address of _start() should be the start - of text space. Fred Fish, UniSoft Systems Inc. */ - -int data_start = 0; - -char **environ; - -static start1 (); - -/* Define symbol "start": here; some systems want that symbol. */ -asm(" .text "); -asm(" .globl start "); -asm(" start: "); - -_start () -{ -/* On vax, nothing is pushed here */ - start1 (); -} - -static -start1 (bogus_fp, argc, xargv) - int argc; - char *xargv; -{ - register char **argv = &xargv; - environ = argv + argc + 1; - - if ((char *)environ == xargv) - environ--; - exit (main (argc, argv, environ)); - - /* Refer to `start1' so GCC will not think it is never called - and optimize it out. */ - (void) &start1; -} - -/* arch-tag: 4025c2fb-d6b1-4d29-b1b6-8100b6bd1e74 - (do not change this comment) */ |