mirror of
https://git.savannah.gnu.org/git/guile.git
synced 2025-05-18 18:40:22 +02:00
50a74cf9c1
2004-11-08 Paolo Bonzini <bonzini@gnu.org> * lightning.h: New name of... * lightning-inst.h: ... this file. * lightning.h.in: Removed. * opcodes/disass.c: Include config.h. * tests/add.c: Include config.h. * tests/bp.c: Include config.h. * tests/fib.c: Include config.h. * tests/fibdelay.c: Include config.h. * tests/fibit.c: Include config.h. * tests/funcfp.c: Include config.h. * tests/incr.c: Include config.h. * tests/printf.c: Include config.h. * tests/printf2.c: Include config.h. * tests/rpn.c: Include config.h. * tests/rpnfp.c: Include config.h. * tests/testfp.c: Include config.h. git-archimport-id: bonzini@gnu.org--2004b/lightning--stable--1.2--patch-4
72 lines
2.1 KiB
C
72 lines
2.1 KiB
C
/******************************** -*- C -*- ****************************
|
|
*
|
|
* Sample call to printf using GNU lightning
|
|
*
|
|
***********************************************************************/
|
|
|
|
|
|
/***********************************************************************
|
|
*
|
|
* Copyright 2000 Free Software Foundation, Inc.
|
|
* Written by Paolo Bonzini.
|
|
*
|
|
* This file is part of GNU lightning.
|
|
*
|
|
* GNU lightning is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU Lesser General Public License as published
|
|
* by the Free Software Foundation; either version 2.1, or (at your option)
|
|
* any later version.
|
|
*
|
|
* GNU lightning 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 Lesser General Public
|
|
* License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* along with GNU lightning; see the file COPYING.LESSER; if not, write to the
|
|
* Free Software Foundation, 59 Temple Place - Suite 330, Boston,
|
|
* MA 02111-1307, USA.
|
|
*
|
|
***********************************************************************/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include <stdio.h>
|
|
#include "lightning.h"
|
|
|
|
static char codeBuffer[1024];
|
|
|
|
typedef void (*pvfi)(int); /* Pointer to Void Function of Int */
|
|
|
|
int main()
|
|
{
|
|
pvfi myFunction; /* ptr to generated code */
|
|
char *start, *end; /* a couple of labels */
|
|
int ofs; /* to get the argument */
|
|
|
|
myFunction = (pvfi) (jit_set_ip(codeBuffer).vptr);
|
|
start = jit_get_ip().ptr;
|
|
jit_prolog(1);
|
|
ofs = jit_arg_i();
|
|
jit_movi_p(JIT_R0, "looks like %d bytes sufficed\n");
|
|
jit_getarg_i(JIT_R1, ofs);
|
|
jit_prepare_i(2);
|
|
jit_pusharg_i(JIT_R1); /* push in reverse order */
|
|
jit_pusharg_p(JIT_R0);
|
|
jit_finish(printf);
|
|
jit_ret();
|
|
end = jit_get_ip().ptr;
|
|
|
|
jit_flush_code(codeBuffer, end);
|
|
|
|
#ifdef LIGHTNING_DISASSEMBLE
|
|
disassemble(stderr, codeBuffer, end);
|
|
#endif
|
|
#ifndef LIGHTNING_CROSS
|
|
/* call the generated code, passing its size as argument */
|
|
myFunction(sizeof(codeBuffer));
|
|
#endif
|
|
return 0;
|
|
}
|