mescc: Support gnu toolchain: libtcc1.

* lib/libtcc1.c: New file.
* lib/libc+tcc-gcc.c: Remove libtcc1 stubs.
This commit is contained in:
Jan Nieuwenhuizen 2018-06-19 20:29:25 +02:00
parent 98a8f3f23e
commit f245237f83
No known key found for this signature in database
GPG Key ID: F3C1A0D9C1D65273
4 changed files with 144 additions and 105 deletions

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@ -71,6 +71,7 @@ ARCHDIR=1 NOLINK=1 sh build-aux/cc-mes-gcc.sh lib/libc-mini
ARCHDIR=1 NOLINK=1 sh build-aux/cc-mes-gcc.sh lib/libc
ARCHDIR=1 NOLINK=1 sh build-aux/cc-mes-gcc.sh lib/libgetopt
ARCHDIR=1 NOLINK=1 sh build-aux/cc-mes-gcc.sh lib/libc+tcc
ARCHDIR=1 NOLINK=1 sh build-aux/cc-mes-gcc.sh lib/libtcc1
ARCHDIR=1 NOLINK=1 sh build-aux/cc-mes-gcc.sh lib/libc+gnu
ARCHDIR=1 NOLINK=1 sh build-aux/cc-mes-gcc.sh lib/libg

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@ -51,27 +51,6 @@ sleep (unsigned int seconds)
return nanosleep (&requested_time, &remaining);
}
// gcc-3.2
double
__divdi3 (double a, double b)
{
static int stub = 0;
if (__mes_debug () && !stub)
eputs ("__divdi3 stub\n");
stub = 1;
return ((int)a / (int)b);
}
double
__moddi3 (double a, double b)
{
static int stub = 0;
if (__mes_debug () && !stub)
eputs ("__moddi3 stub\n");
stub = 1;
return ((int) a %(int)b);
}
// gcc-3.4
void
unsetenv (char const *name)

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@ -74,87 +74,3 @@ setjmp (jmp_buf env)
env[0].__sp = (int)&env;
return 0;
}
unsigned long long
__udivdi3 (unsigned long long a, unsigned long long b)
{
int ai = a;
int bi = b;
return ai / bi;
}
unsigned long long
__umoddi3 (unsigned long long a, unsigned long long b)
{
int ai = a;
int bi = b;
return ai % bi;
}
unsigned long long
__lshrdi3 (unsigned long long a, int b)
{
return a >> b;
}
long long
__ashldi3 (long long a, int b)
{
return a << b;
}
long long
__ashrdi3 (long long a, int b)
{
return a >> b;
}
long double
__floatundixf (unsigned long long a)
{
static int stub = 0;
if (__mes_debug () && !stub)
eputs ("__floatundix stub\n");
stub = 1;
return 0;
}
unsigned long long
__fixunsxfdi (double a1)
{
static int stub = 0;
if (__mes_debug () && !stub)
eputs ("__fixunsxfdi stub\n");
stub = 1;
return 0;
}
unsigned long long
__fixdfdi (double a1)
{
static int stub = 0;
if (__mes_debug () && !stub)
eputs ("__fixdfdi stub\n");
stub = 1;
return 0;
}
unsigned long long
__fixxfdi (double a1)
{
static int stub = 0;
if (__mes_debug () && !stub)
eputs ("__fixxfdi stub\n");
stub = 1;
return 0;
}
unsigned long long
__fixsfdi (double a1)
{
static int stub = 0;
if (__mes_debug () && !stub)
eputs ("__fixsfdi stub\n");
stub = 1;
return 0;
}

143
lib/libtcc1.c Normal file
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@ -0,0 +1,143 @@
/* -*-comment-start: "//";comment-end:""-*-
* Mes --- Maxwell Equations of Software
* Copyright © 2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
*
* 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/>.
*/
double
__divdi3 (double a, double b)
{
static int stub = 0;
if (__mes_debug () && !stub)
eputs ("__divdi3 stub\n");
stub = 1;
return ((int)a / (int)b);
}
double
__moddi3 (double a, double b)
{
static int stub = 0;
if (__mes_debug () && !stub)
eputs ("__moddi3 stub\n");
stub = 1;
return ((int) a %(int)b);
}
unsigned long long
__udivdi3 (unsigned long long a, unsigned long long b)
{
static int stub = 0;
if (__mes_debug () && !stub)
eputs ("__udivdi3 stub\n");
stub = 1;
int ai = a;
int bi = b;
return ai / bi;
}
unsigned long long
__umoddi3 (unsigned long long a, unsigned long long b)
{
static int stub = 0;
if (__mes_debug () && !stub)
eputs ("__umoddi3 stub\n");
stub = 1;
int ai = a;
int bi = b;
return ai % bi;
}
unsigned long long
__lshrdi3 (unsigned long long a, int b)
{
static int stub = 0;
if (__mes_debug () && !stub)
eputs ("__lshrdi3 stub\n");
stub = 1;
return a >> b;
}
long long
__ashldi3 (long long a, int b)
{
static int stub = 0;
if (__mes_debug () && !stub)
eputs ("__ashldi3 stub\n");
stub = 1;
return a << b;
}
long long
__ashrdi3 (long long a, int b)
{
static int stub = 0;
if (__mes_debug () && !stub)
eputs ("__ashrdi3 stub\n");
stub = 1;
return a >> b;
}
long double
__floatundixf (unsigned long long a)
{
static int stub = 0;
if (__mes_debug () && !stub)
eputs ("__floatundixf stub\n");
stub = 1;
return 0;
}
unsigned long long
__fixunsxfdi (double a1)
{
static int stub = 0;
if (__mes_debug () && !stub)
eputs ("__fixunsxfdi stub\n");
stub = 1;
return 0;
}
unsigned long long
__fixdfdi (double a1)
{
static int stub = 0;
if (__mes_debug () && !stub)
eputs ("__fixdfdi stub\n");
stub = 1;
return 0;
}
unsigned long long
__fixxfdi (double a1)
{
static int stub = 0;
if (__mes_debug () && !stub)
eputs ("__fixxfdi stub\n");
stub = 1;
return 0;
}
unsigned long long
__fixsfdi (double a1)
{
static int stub = 0;
if (__mes_debug () && !stub)
eputs ("__fixsfdi stub\n");
stub = 1;
return 0;
}