2017-04-02 10:01:33 +00:00
|
|
|
/* -*-comment-start: "//";comment-end:""-*-
|
|
|
|
* Mes --- Maxwell Equations of Software
|
mescc: Formals, local variables.
* module/language/c99/compiler.mes (statement->text+symbols+locals):
Rename from statement->text+symbols. Handle locals.
(formals->text): Add proper function preamble.
(formals->locals): Add formals as locals.
(expr->accu, ident->accu, ident->base, ident-ref, global-ref): New
functions.
(strlen, eputs, fputs, puts): New functions.
(libc): New variable.
(i386:libc): Rename from libc. Remove eputs and puts.
* module/mes/libc-i386.mes (i386:eputs, i386:puts: Remove.
(i386:call, i386:ret): Handle locals as argument.
(i386:function-locals, i386:function-preamble, i386:jump,
i386:local->accu, i386:local-add, i386:local-assign,
i386:local->base, i386:ref-global, i386:ref-local, i386:ret-local,
i386:mem-byte->accu, i386:test-jump, i386:write): New functions.
* module/mes/libc-i386.scm: Export them.
2017-01-02 22:21:33 +00:00
|
|
|
* Copyright © 2016,2017 Jan Nieuwenhuizen <janneke@gnu.org>
|
2017-04-02 10:01:33 +00:00
|
|
|
*
|
|
|
|
* This file is part of Mes.
|
|
|
|
*
|
|
|
|
* Mes 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.
|
|
|
|
*
|
|
|
|
* Mes 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 Mes. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
*/
|
|
|
|
|
|
|
|
#define MES_MINI 1
|
|
|
|
|
|
|
|
#if __GNUC__
|
|
|
|
#define __NYACC__ 0
|
|
|
|
#define NYACC
|
|
|
|
#define NYACC2
|
|
|
|
#else
|
|
|
|
#define __NYACC__ 1
|
|
|
|
#define NYACC nyacc
|
|
|
|
#define NYACC2 nyacc2
|
|
|
|
#endif
|
|
|
|
|
|
|
|
typedef long size_t;
|
|
|
|
void *malloc (size_t i);
|
|
|
|
int open (char const *s, int mode);
|
|
|
|
int read (int fd, int n);
|
|
|
|
void write (int fd, char const* s, int n);
|
|
|
|
|
|
|
|
#if __GNUC__
|
|
|
|
void
|
|
|
|
exit (int code)
|
|
|
|
{
|
|
|
|
asm (
|
|
|
|
"movl %0, %%ebx\n\t"
|
|
|
|
"movl $1, %%eax\n\t"
|
|
|
|
"int $0x80"
|
|
|
|
: // no outputs "=" (r)
|
|
|
|
: "" (code)
|
|
|
|
);
|
|
|
|
// not reached
|
|
|
|
exit (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
open (char const *s, int mode)
|
|
|
|
{
|
|
|
|
//return syscall (SYS_open, s, mode);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
read (int fd, int n)
|
|
|
|
{
|
|
|
|
//syscall (SYS_read, 1, 1);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
write (int fd, char const* s, int n)
|
|
|
|
{
|
|
|
|
int r;
|
|
|
|
//syscall (SYS_write, fd, s, n));
|
|
|
|
asm (
|
|
|
|
"mov %0, %%ebx\n\t"
|
|
|
|
"mov %1, %%ecx\n\t"
|
|
|
|
"mov %2, %%edx\n\t"
|
|
|
|
|
|
|
|
"mov $0x4, %%eax\n\t"
|
|
|
|
"int $0x80\n\t"
|
|
|
|
: // no outputs "=" (r)
|
|
|
|
: "" (fd), "" (s), "" (n)
|
|
|
|
: "eax", "ebx", "ecx", "edx"
|
|
|
|
);
|
|
|
|
}
|
|
|
|
|
|
|
|
void *
|
|
|
|
malloc (size_t size)
|
|
|
|
{
|
|
|
|
int *n;
|
|
|
|
int len = size + sizeof (size);
|
|
|
|
//n = mmap (0, len, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, 0, 0 );
|
|
|
|
*n = len;
|
|
|
|
return (void*)(n+1);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
free (void *p)
|
|
|
|
{
|
|
|
|
int *n = (int*)p-1;
|
|
|
|
//munmap ((void*)p, *n);
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#define EOF -1
|
|
|
|
#define STDIN 0
|
|
|
|
#define STDOUT 1
|
|
|
|
#define STDERR 2
|
|
|
|
|
|
|
|
//#include <stdio.h>
|
|
|
|
//#include <string.h>
|
|
|
|
//#include <stdlib.h>
|
|
|
|
|
|
|
|
int g_stdin;
|
|
|
|
|
|
|
|
#if __GNUC__
|
|
|
|
size_t
|
|
|
|
strlen (char const* s)
|
|
|
|
{
|
|
|
|
int i = 0;
|
|
|
|
while (s[i]) i++;
|
|
|
|
return i;
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
strcmp (char const* a, char const* b)
|
|
|
|
{
|
2017-01-03 11:52:59 +00:00
|
|
|
while (*a && *b && *a == *b) {a++;b++;}
|
|
|
|
return *a - *b;
|
2017-04-02 10:01:33 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
getc ()
|
|
|
|
{
|
|
|
|
return read (g_stdin, 1);
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
puts (char const* s)
|
|
|
|
{
|
|
|
|
write (STDOUT, s, strlen (s));
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
eputs (char const* s)
|
|
|
|
{
|
|
|
|
write (STDERR, s, strlen (s));
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
mescc: Formals, local variables.
* module/language/c99/compiler.mes (statement->text+symbols+locals):
Rename from statement->text+symbols. Handle locals.
(formals->text): Add proper function preamble.
(formals->locals): Add formals as locals.
(expr->accu, ident->accu, ident->base, ident-ref, global-ref): New
functions.
(strlen, eputs, fputs, puts): New functions.
(libc): New variable.
(i386:libc): Rename from libc. Remove eputs and puts.
* module/mes/libc-i386.mes (i386:eputs, i386:puts: Remove.
(i386:call, i386:ret): Handle locals as argument.
(i386:function-locals, i386:function-preamble, i386:jump,
i386:local->accu, i386:local-add, i386:local-assign,
i386:local->base, i386:ref-global, i386:ref-local, i386:ret-local,
i386:mem-byte->accu, i386:test-jump, i386:write): New functions.
* module/mes/libc-i386.scm: Export them.
2017-01-02 22:21:33 +00:00
|
|
|
int g_a;
|
|
|
|
int g_b;
|
|
|
|
|
|
|
|
#if 0
|
|
|
|
void
|
|
|
|
eputs2 (char const* s, int a)
|
|
|
|
{
|
|
|
|
g_a = a;
|
|
|
|
write (STDERR, s, strlen (s));
|
|
|
|
//return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
eputs3 (char const* s, int a, int b)
|
|
|
|
{
|
|
|
|
g_a = a;
|
|
|
|
g_b = b;
|
|
|
|
write (STDERR, s, strlen (s));
|
|
|
|
//return 0;
|
|
|
|
}
|
|
|
|
|
2017-04-02 10:01:33 +00:00
|
|
|
char const*
|
|
|
|
itoa (int x)
|
|
|
|
{
|
|
|
|
static char buf[10];
|
|
|
|
char *p = buf+9;
|
|
|
|
*p-- = 0;
|
|
|
|
|
|
|
|
int sign = x < 0;
|
|
|
|
if (sign)
|
|
|
|
x = -x;
|
|
|
|
|
|
|
|
do
|
|
|
|
{
|
|
|
|
*p-- = '0' + (x % 10);
|
|
|
|
x = x / 10;
|
|
|
|
} while (x);
|
|
|
|
|
|
|
|
if (sign)
|
|
|
|
*p-- = '-';
|
|
|
|
|
|
|
|
return p+1;
|
|
|
|
}
|
mescc: Formals, local variables.
* module/language/c99/compiler.mes (statement->text+symbols+locals):
Rename from statement->text+symbols. Handle locals.
(formals->text): Add proper function preamble.
(formals->locals): Add formals as locals.
(expr->accu, ident->accu, ident->base, ident-ref, global-ref): New
functions.
(strlen, eputs, fputs, puts): New functions.
(libc): New variable.
(i386:libc): Rename from libc. Remove eputs and puts.
* module/mes/libc-i386.mes (i386:eputs, i386:puts: Remove.
(i386:call, i386:ret): Handle locals as argument.
(i386:function-locals, i386:function-preamble, i386:jump,
i386:local->accu, i386:local-add, i386:local-assign,
i386:local->base, i386:ref-global, i386:ref-local, i386:ret-local,
i386:mem-byte->accu, i386:test-jump, i386:write): New functions.
* module/mes/libc-i386.scm: Export them.
2017-01-02 22:21:33 +00:00
|
|
|
#endif
|
2017-04-02 10:01:33 +00:00
|
|
|
|
|
|
|
void
|
|
|
|
assert_fail (char* s)
|
|
|
|
{
|
|
|
|
eputs ("assert fail:");
|
|
|
|
eputs (s);
|
|
|
|
eputs ("\n");
|
|
|
|
*((int*)0) = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#define assert(x) ((x) ? (void)0 : assert_fail(#x))
|
|
|
|
#define false 0
|
|
|
|
#define true 1
|
|
|
|
typedef int bool;
|
|
|
|
|
|
|
|
int
|
|
|
|
main (int argc, char *argv[])
|
|
|
|
{
|
|
|
|
puts ("Hello main!\n");
|
mescc: Formals, local variables.
* module/language/c99/compiler.mes (statement->text+symbols+locals):
Rename from statement->text+symbols. Handle locals.
(formals->text): Add proper function preamble.
(formals->locals): Add formals as locals.
(expr->accu, ident->accu, ident->base, ident-ref, global-ref): New
functions.
(strlen, eputs, fputs, puts): New functions.
(libc): New variable.
(i386:libc): Rename from libc. Remove eputs and puts.
* module/mes/libc-i386.mes (i386:eputs, i386:puts: Remove.
(i386:call, i386:ret): Handle locals as argument.
(i386:function-locals, i386:function-preamble, i386:jump,
i386:local->accu, i386:local-add, i386:local-assign,
i386:local->base, i386:ref-global, i386:ref-local, i386:ret-local,
i386:mem-byte->accu, i386:test-jump, i386:write): New functions.
* module/mes/libc-i386.scm: Export them.
2017-01-02 22:21:33 +00:00
|
|
|
eputs ("Strlen...\n");
|
|
|
|
puts ("Bye micro\n");
|
|
|
|
int i = strlen ("02013");
|
2017-01-03 11:52:59 +00:00
|
|
|
int i = argc;
|
mescc: Formals, local variables.
* module/language/c99/compiler.mes (statement->text+symbols+locals):
Rename from statement->text+symbols. Handle locals.
(formals->text): Add proper function preamble.
(formals->locals): Add formals as locals.
(expr->accu, ident->accu, ident->base, ident-ref, global-ref): New
functions.
(strlen, eputs, fputs, puts): New functions.
(libc): New variable.
(i386:libc): Rename from libc. Remove eputs and puts.
* module/mes/libc-i386.mes (i386:eputs, i386:puts: Remove.
(i386:call, i386:ret): Handle locals as argument.
(i386:function-locals, i386:function-preamble, i386:jump,
i386:local->accu, i386:local-add, i386:local-assign,
i386:local->base, i386:ref-global, i386:ref-local, i386:ret-local,
i386:mem-byte->accu, i386:test-jump, i386:write): New functions.
* module/mes/libc-i386.scm: Export them.
2017-01-02 22:21:33 +00:00
|
|
|
return i;
|
2017-04-02 10:01:33 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
#if __GNUC__
|
mescc: Formals, local variables.
* module/language/c99/compiler.mes (statement->text+symbols+locals):
Rename from statement->text+symbols. Handle locals.
(formals->text): Add proper function preamble.
(formals->locals): Add formals as locals.
(expr->accu, ident->accu, ident->base, ident-ref, global-ref): New
functions.
(strlen, eputs, fputs, puts): New functions.
(libc): New variable.
(i386:libc): Rename from libc. Remove eputs and puts.
* module/mes/libc-i386.mes (i386:eputs, i386:puts: Remove.
(i386:call, i386:ret): Handle locals as argument.
(i386:function-locals, i386:function-preamble, i386:jump,
i386:local->accu, i386:local-add, i386:local-assign,
i386:local->base, i386:ref-global, i386:ref-local, i386:ret-local,
i386:mem-byte->accu, i386:test-jump, i386:write): New functions.
* module/mes/libc-i386.scm: Export them.
2017-01-02 22:21:33 +00:00
|
|
|
// int
|
|
|
|
// test1()
|
|
|
|
// {
|
|
|
|
// return 9;
|
|
|
|
// }
|
|
|
|
|
|
|
|
// void
|
|
|
|
// test()
|
|
|
|
// {
|
|
|
|
// int r;
|
|
|
|
// r=7;
|
|
|
|
// r=test1();
|
|
|
|
// }
|
|
|
|
|
2017-04-02 10:01:33 +00:00
|
|
|
void
|
|
|
|
_start ()
|
|
|
|
{
|
|
|
|
puts ("Hello micro-mes!\n");
|
mescc: Formals, local variables.
* module/language/c99/compiler.mes (statement->text+symbols+locals):
Rename from statement->text+symbols. Handle locals.
(formals->text): Add proper function preamble.
(formals->locals): Add formals as locals.
(expr->accu, ident->accu, ident->base, ident-ref, global-ref): New
functions.
(strlen, eputs, fputs, puts): New functions.
(libc): New variable.
(i386:libc): Rename from libc. Remove eputs and puts.
* module/mes/libc-i386.mes (i386:eputs, i386:puts: Remove.
(i386:call, i386:ret): Handle locals as argument.
(i386:function-locals, i386:function-preamble, i386:jump,
i386:local->accu, i386:local-add, i386:local-assign,
i386:local->base, i386:ref-global, i386:ref-local, i386:ret-local,
i386:mem-byte->accu, i386:test-jump, i386:write): New functions.
* module/mes/libc-i386.scm: Export them.
2017-01-02 22:21:33 +00:00
|
|
|
int i;
|
|
|
|
i = main (0,0);
|
|
|
|
// asm (
|
|
|
|
// "push $0\n\t"
|
|
|
|
// "push $0\n\t"
|
|
|
|
// "call main\n\t"
|
|
|
|
// "movl %%eax,%0\n\t"
|
|
|
|
// : "=r" (r)
|
|
|
|
// : //no inputs "" (&main)
|
|
|
|
// );
|
|
|
|
exit (i);
|
2017-04-02 10:01:33 +00:00
|
|
|
}
|
|
|
|
#endif
|