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mescc: Mes C Library: Split _exit.c, _write.c from mini.c.

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* lib/freebsd/x86-mes-gcc/mini.c: Split into...
* lib/freebsd/x86-mes-gcc/_exit.c: ...this, and...
* lib/freebsd/x86-mes-gcc/_write.c: ...this.
* lib/freebsd/x86-mes-mescc/mini.c: Slpit into...
* lib/freebsd/x86-mes-mescc/_exit.c: ...this, and...
* lib/freebsd/x86-mes-mescc/_write.c: ...this.
* lib/gnu/x86-mes-gcc/mini.c: Split into...
* lib/gnu/x86-mes-gcc/_exit.c: ...this, and...
* lib/gnu/x86-mes-gcc/_write.c: ...this.
* lib/linux/arm-mes-gcc/mini.c: Split into...
* lib/linux/arm-mes-gcc/_exit.c: ...this, and...
* lib/linux/arm-mes-gcc/_write.c: ...this.
* lib/linux/arm-mes-mescc/mini.c: Split into...
* lib/linux/arm-mes-mescc/_exit.c: ...this, and...
* lib/linux/arm-mes-mescc/_write.c: ...this.
* build-aux/configure-lib.sh (libc_mini_shared_SOURCES): Replace mini.c
with add _exit.c, _write.c.
* simple.sh: Update accordingly.
This commit is contained in:
Jan (janneke) Nieuwenhuizen 2020-11-28 18:22:51 +01:00
parent 096939b819
commit 905277a73a
No known key found for this signature in database
GPG key ID: F3C1A0D9C1D65273
20 changed files with 348 additions and 149 deletions
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3
build-aux/configure-lib.sh
View file

@ -37,8 +37,9 @@ lib/mes/oputs.c
if test $mes_libc = mes; then if test $mes_libc = mes; then
libc_mini_shared_SOURCES="$libc_mini_shared_SOURCES libc_mini_shared_SOURCES="$libc_mini_shared_SOURCES
lib/mes/globals.c lib/mes/globals.c
lib/$mes_kernel/$mes_cpu-mes-$compiler/mini.c
lib/stdlib/exit.c lib/stdlib/exit.c
lib/$mes_kernel/$mes_cpu-mes-$compiler/_exit.c
lib/$mes_kernel/$mes_cpu-mes-$compiler/_write.c
lib/stdlib/puts.c lib/stdlib/puts.c
lib/string/strlen.c lib/string/strlen.c
" "

41
lib/freebsd/x86-mes-gcc/_exit.c Normal file
View file

@ -0,0 +1,41 @@
/* -*-comment-start: "//";comment-end:""-*-
* GNU Mes --- Maxwell Equations of Software
* Copyright © 2016,2017,2019,2020 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
*
* This file is part of GNU Mes.
*
* GNU 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.
*
* GNU 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 GNU Mes. If not, see <http://www.gnu.org/licenses/>.
*/
#include "mes/lib-mini.h"
#define SYS_exit "0x01"
// *INDENT-OFF*
void
_exit (int code)
{
asm (
"mov $"SYS_exit",%%eax\n\t"
"mov %0,%%ebx\n\t"
"push %%ebx\n\t"
"push %%ebx\n\t"
"int $0x80\n\t"
: // no outputs "=" (r)
: "rm" (code)
: "eax", "ebx"
);
// not reached
_exit (0);
}

26
lib/linux/x86-mes-gcc/mini.c → lib/freebsd/x86-mes-gcc/_write.c
View file

@ -1,6 +1,6 @@
/* -*-comment-start: "//";comment-end:""-*- /* -*-comment-start: "//";comment-end:""-*-
* GNU Mes --- Maxwell Equations of Software * GNU Mes --- Maxwell Equations of Software
* Copyright © 2016,2017,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org> * Copyright © 2016,2017,2019,2020 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
* *
* This file is part of GNU Mes. * This file is part of GNU Mes.
* *
@ -21,33 +21,21 @@
#include "mes/lib-mini.h" #include "mes/lib-mini.h"
#define SYS_exit "0x01" #define SYS_exit "0x01"
#define SYS_write "0x04"
// *INDENT-OFF* // *INDENT-OFF*
void
_exit (int code)
{
asm (
"mov $"SYS_exit",%%eax\n\t"
"mov %0,%%ebx\n\t"
"int $0x80\n\t"
: // no outputs "=" (r)
: "rm" (code)
: "eax", "ebx"
);
// not reached
_exit (0);
}
ssize_t ssize_t
_write (int filedes, void const *buffer, size_t size) _write (int filedes, void const *buffer, size_t size)
{ {
long r; long r;
asm ( asm (
"mov $"SYS_write",%%eax\n\t" "mov $"SYS_write",%%eax\n\t"
"mov %1,%%ebx\n\t"
"mov %2,%%ecx\n\t"
"mov %3,%%edx\n\t" "mov %3,%%edx\n\t"
"push %%edx\n\t"
"mov %2,%%ecx\n\t"
"push %%ecx\n\t"
"mov %1,%%ebx\n\t"
"push %%ebx\n\t"
"push %%ebx\n\t"
"int $0x80\n\t" "int $0x80\n\t"
"mov %%eax,%0\n\t" "mov %%eax,%0\n\t"
: "=r" (r) : "=r" (r)

29
lib/freebsd/x86-mes-mescc/_exit.c Normal file
View file

@ -0,0 +1,29 @@
/* -*-comment-start: "//";comment-end:""-*-
* GNU Mes --- Maxwell Equations of Software
* Copyright © 2016,2017,2019,2020 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
*
* This file is part of GNU Mes.
*
* GNU 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.
*
* GNU 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 GNU Mes. If not, see <http://www.gnu.org/licenses/>.
*/
void
_exit ()
{
asm ("mov____$i32,%eax SYS_exit");
asm ("mov____0x8(%ebp),%ebx !8");
asm ("push___%ebx");
asm ("push___%ebx");
asm ("int____$0x80");
}

18
lib/linux/x86-mes-mescc/mini.c → lib/freebsd/x86-mes-mescc/_write.c
View file

@ -1,6 +1,6 @@
/* -*-comment-start: "//";comment-end:""-*- /* -*-comment-start: "//";comment-end:""-*-
* GNU Mes --- Maxwell Equations of Software * GNU Mes --- Maxwell Equations of Software
* Copyright © 2016,2017 Jan (janneke) Nieuwenhuizen <janneke@gnu.org> * Copyright © 2016,2017,2019,2020 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
* *
* This file is part of GNU Mes. * This file is part of GNU Mes.
* *
@ -18,20 +18,16 @@
* along with GNU Mes. If not, see <http://www.gnu.org/licenses/>. * along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
*/ */
void
_exit ()
{
asm ("mov____$i32,%eax SYS_exit");
asm ("mov____0x8(%ebp),%ebx !8");
asm ("int____$0x80");
}
void void
_write () _write ()
{ {
asm ("mov____$i32,%eax SYS_write"); asm ("mov____$i32,%eax SYS_write");
asm ("mov____0x8(%ebp),%ebx !8");
asm ("mov____0x8(%ebp),%ecx !12");
asm ("mov____0x8(%ebp),%edx !16"); asm ("mov____0x8(%ebp),%edx !16");
asm ("push___%edx");
asm ("mov____0x8(%ebp),%ecx !12");
asm ("push___%ecx");
asm ("mov____0x8(%ebp),%ebx !8");
asm ("push___%ebx");
asm ("push___%ebx");
asm ("int____$0x80"); asm ("int____$0x80");
} }

4
lib/gnu/x86-mes-gcc/mini.c → lib/gnu/x86-mes-gcc/_exit.c
View file

@ -1,6 +1,6 @@
/* -*-comment-start: "//";comment-end:""-*- /* -*-comment-start: "//";comment-end:""-*-
* GNU Mes --- Maxwell Equations of Software * GNU Mes --- Maxwell Equations of Software
* Copyright © 2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org> * Copyright © 2019,2020 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
* *
* This file is part of GNU Mes. * This file is part of GNU Mes.
* *
@ -20,4 +20,4 @@
#include "mes/lib-mini.h" #include "mes/lib-mini.h"
// your mini mach here // your mach _exit here

23
lib/gnu/x86-mes-gcc/_write.c Normal file
View file

@ -0,0 +1,23 @@
/* -*-comment-start: "//";comment-end:""-*-
* GNU Mes --- Maxwell Equations of Software
* Copyright © 2019,2020 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
*
* This file is part of GNU Mes.
*
* GNU 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.
*
* GNU 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 GNU Mes. If not, see <http://www.gnu.org/licenses/>.
*/
#include "mes/lib-mini.h"
// your mach _write here

58
lib/linux/arm-mes-gcc/_exit.c Normal file
View file

@ -0,0 +1,58 @@
/* -*-comment-start: "//";comment-end:""-*-
* GNU Mes --- Maxwell Equations of Software
* Copyright © 2016,2017,2019,2020 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
* Copyright © 2019,2020 Danny Milosavljevic <dannym@scratchpost.org>
*
* This file is part of GNU Mes.
*
* GNU 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.
*
* GNU 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 GNU Mes. If not, see <http://www.gnu.org/licenses/>.
*/
#include "mes/lib-mini.h"
#define SYS_exit "0x01"
// *INDENT-OFF*
#if !__TINYC__
void
_exit (int code)
{
asm (
"mov r7, $"SYS_exit"\n\t"
"mov r0, %0\n\t"
"swi $0\n\t"
: // no outputs "=" (r)
: "r" (code)
: "r0", "r7"
);
// not reached
_exit (0);
}
#else //__TINYC__
__asm__ (".global _exit\n");
__asm__ ("_exit:\n");
__asm__ (".int 0xe92d4880\n"); //push {r7, fp, lr}
__asm__ (".int 0xe28db008\n"); //add fp, sp, #8
__asm__ (".int 0xe24dd00c\n"); //sub sp, sp, #12
__asm__ (".int 0xe50b0010\n"); //str r0, [fp, #-16]
__asm__ (".int 0xe51b3010\n"); //ldr r3, [fp, #-16]
__asm__ (".int 0xe3a07001\n"); //mov r7, #1
__asm__ (".int 0xe1a00003\n"); //mov r0, r3
__asm__ (".int 0xef000000\n"); //svc 0x00000000
__asm__ (".int 0xe3a00000\n"); //mov r0, #0
__asm__ (".int 0xebfffffe\n"); //bl 0 <_exit>
__asm__ (".int 0xe320f000\n"); //nop {0}
__asm__ (".int 0xe24bd008\n"); //sub sp, fp, #8
__asm__ (".int 0xe8bd8880\n"); //pop {r7, fp, pc}
#endif //__TINYC__

34
lib/linux/arm-mes-gcc/mini.c → lib/linux/arm-mes-gcc/_write.c
View file

@ -21,43 +21,9 @@
#include "mes/lib-mini.h" #include "mes/lib-mini.h"
#define SYS_exit "0x01"
#define SYS_write "0x04" #define SYS_write "0x04"
#if !__TINYC__
// *INDENT-OFF* // *INDENT-OFF*
void
_exit (int code)
{
asm (
"mov r7, $"SYS_exit"\n\t"
"mov r0, %0\n\t"
"swi $0\n\t"
: // no outputs "=" (r)
: "r" (code)
: "r0", "r7"
);
// not reached
_exit (0);
}
#else //__TINYC__
__asm__ (".global _exit\n");
__asm__ ("_exit:\n");
__asm__ (".int 0xe92d4880\n"); //push {r7, fp, lr}
__asm__ (".int 0xe28db008\n"); //add fp, sp, #8
__asm__ (".int 0xe24dd00c\n"); //sub sp, sp, #12
__asm__ (".int 0xe50b0010\n"); //str r0, [fp, #-16]
__asm__ (".int 0xe51b3010\n"); //ldr r3, [fp, #-16]
__asm__ (".int 0xe3a07001\n"); //mov r7, #1
__asm__ (".int 0xe1a00003\n"); //mov r0, r3
__asm__ (".int 0xef000000\n"); //svc 0x00000000
__asm__ (".int 0xe3a00000\n"); //mov r0, #0
__asm__ (".int 0xebfffffe\n"); //bl 0 <_exit>
__asm__ (".int 0xe320f000\n"); //nop {0}
__asm__ (".int 0xe24bd008\n"); //sub sp, fp, #8
__asm__ (".int 0xe8bd8880\n"); //pop {r7, fp, pc}
#endif //__TINYC__
#if !__TINYC__ #if !__TINYC__
ssize_t ssize_t
_write (int filedes, void const *buffer, size_t size) _write (int filedes, void const *buffer, size_t size)

28
lib/linux/arm-mes-mescc/_exit.c Normal file
View file

@ -0,0 +1,28 @@
/* -*-comment-start: "//";comment-end:""-*-
* GNU Mes --- Maxwell Equations of Software
* Copyright © 2016,2017,2020 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
* Copyright © 2020 Danny Milosavljevic <dannym@scratchpost.org>
*
* This file is part of GNU Mes.
*
* GNU 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.
*
* GNU 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 GNU Mes. If not, see <http://www.gnu.org/licenses/>.
*/
void
_exit ()
{
asm ("SYS_exit mov____$i8,%r7");
asm ("!8 ldr____%r0,(%fp,+#$i8)");
asm ("swi____$0");
}

10
lib/linux/arm-mes-mescc/mini.c → lib/linux/arm-mes-mescc/_write.c
View file

@ -1,6 +1,6 @@
/* -*-comment-start: "//";comment-end:""-*- /* -*-comment-start: "//";comment-end:""-*-
* GNU Mes --- Maxwell Equations of Software * GNU Mes --- Maxwell Equations of Software
* Copyright © 2016,2017 Jan (janneke) Nieuwenhuizen <janneke@gnu.org> * Copyright © 2016,2017,2020 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
* Copyright © 2020 Danny Milosavljevic <dannym@scratchpost.org> * Copyright © 2020 Danny Milosavljevic <dannym@scratchpost.org>
* *
* This file is part of GNU Mes. * This file is part of GNU Mes.
@ -19,14 +19,6 @@
* along with GNU Mes. If not, see <http://www.gnu.org/licenses/>. * along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
*/ */
void
_exit ()
{
asm ("SYS_exit mov____$i8,%r7");
asm ("!8 ldr____%r0,(%fp,+#$i8)");
asm ("swi____$0");
}
void void
_write () _write ()
{ {

39
lib/linux/x86-mes-gcc/_exit.c Normal file
View file

@ -0,0 +1,39 @@
/* -*-comment-start: "//";comment-end:""-*-
* GNU Mes --- Maxwell Equations of Software
* Copyright © 2016,2017,2019,2020 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
*
* This file is part of GNU Mes.
*
* GNU 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.
*
* GNU 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 GNU Mes. If not, see <http://www.gnu.org/licenses/>.
*/
#include "mes/lib-mini.h"
#define SYS_exit "0x01"
// *INDENT-OFF*
void
_exit (int code)
{
asm (
"mov $"SYS_exit",%%eax\n\t"
"mov %0,%%ebx\n\t"
"int $0x80\n\t"
: // no outputs "=" (r)
: "rm" (code)
: "eax", "ebx"
);
// not reached
// _exit (0); // tcc has a problem with this
}

28
lib/freebsd/x86-mes-gcc/mini.c → lib/linux/x86-mes-gcc/_write.c
View file

@ -1,6 +1,6 @@
/* -*-comment-start: "//";comment-end:""-*- /* -*-comment-start: "//";comment-end:""-*-
* GNU Mes --- Maxwell Equations of Software * GNU Mes --- Maxwell Equations of Software
* Copyright © 2016,2017,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org> * Copyright © 2016,2017,2019,2020 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
* *
* This file is part of GNU Mes. * This file is part of GNU Mes.
* *
@ -20,40 +20,18 @@
#include "mes/lib-mini.h" #include "mes/lib-mini.h"
#define SYS_exit "0x01"
#define SYS_write "0x04" #define SYS_write "0x04"
// *INDENT-OFF* // *INDENT-OFF*
void
_exit (int code)
{
asm (
"mov $"SYS_exit",%%eax\n\t"
"mov %0,%%ebx\n\t"
"push %%ebx\n\t"
"push %%ebx\n\t"
"int $0x80\n\t"
: // no outputs "=" (r)
: "rm" (code)
: "eax", "ebx"
);
// not reached
_exit (0);
}
ssize_t ssize_t
_write (int filedes, void const *buffer, size_t size) _write (int filedes, void const *buffer, size_t size)
{ {
long r; long r;
asm ( asm (
"mov $"SYS_write",%%eax\n\t" "mov $"SYS_write",%%eax\n\t"
"mov %3,%%edx\n\t"
"push %%edx\n\t"
"mov %2,%%ecx\n\t"
"push %%ecx\n\t"
"mov %1,%%ebx\n\t" "mov %1,%%ebx\n\t"
"push %%ebx\n\t" "mov %2,%%ecx\n\t"
"push %%ebx\n\t" "mov %3,%%edx\n\t"
"int $0x80\n\t" "int $0x80\n\t"
"mov %%eax,%0\n\t" "mov %%eax,%0\n\t"
: "=r" (r) : "=r" (r)

27
lib/linux/x86-mes-mescc/_exit.c Normal file
View file

@ -0,0 +1,27 @@
/* -*-comment-start: "//";comment-end:""-*-
* GNU Mes --- Maxwell Equations of Software
* Copyright © 2016,2017,2020 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
*
* This file is part of GNU Mes.
*
* GNU 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.
*
* GNU 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 GNU Mes. If not, see <http://www.gnu.org/licenses/>.
*/
void
_exit ()
{
asm ("mov____$i32,%eax SYS_exit");
asm ("mov____0x8(%ebp),%ebx !8");
asm ("int____$0x80");
}

20
lib/freebsd/x86-mes-mescc/mini.c → lib/linux/x86-mes-mescc/_write.c
View file

@ -1,6 +1,6 @@
/* -*-comment-start: "//";comment-end:""-*- /* -*-comment-start: "//";comment-end:""-*-
* GNU Mes --- Maxwell Equations of Software * GNU Mes --- Maxwell Equations of Software
* Copyright © 2016,2017,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org> * Copyright © 2016,2017,2020 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
* *
* This file is part of GNU Mes. * This file is part of GNU Mes.
* *
@ -18,26 +18,12 @@
* along with GNU Mes. If not, see <http://www.gnu.org/licenses/>. * along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
*/ */
void
_exit ()
{
asm ("mov____$i32,%eax SYS_exit");
asm ("mov____0x8(%ebp),%ebx !8");
asm ("push___%ebx");
asm ("push___%ebx");
asm ("int____$0x80");
}
void void
_write () _write ()
{ {
asm ("mov____$i32,%eax SYS_write"); asm ("mov____$i32,%eax SYS_write");
asm ("mov____0x8(%ebp),%edx !16");
asm ("push___%edx");
asm ("mov____0x8(%ebp),%ecx !12");
asm ("push___%ecx");
asm ("mov____0x8(%ebp),%ebx !8"); asm ("mov____0x8(%ebp),%ebx !8");
asm ("push___%ebx"); asm ("mov____0x8(%ebp),%ecx !12");
asm ("push___%ebx"); asm ("mov____0x8(%ebp),%edx !16");
asm ("int____$0x80"); asm ("int____$0x80");
} }

38
lib/linux/x86_64-mes-gcc/_exit.c Normal file
View file

@ -0,0 +1,38 @@
/* -*-comment-start: "//";comment-end:""-*-
* GNU Mes --- Maxwell Equations of Software
* Copyright © 2016,2017,2018,2019,2020 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
*
* This file is part of GNU Mes.
*
* GNU 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.
*
* GNU 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 GNU Mes. If not, see <http://www.gnu.org/licenses/>.
*/
#include "mes/lib-mini.h"
#define SYS_exit "0x3c"
// *INDENT-OFF*
void
_exit (int code)
{
asm (
"mov $"SYS_exit",%%rax\n\t"
"mov %0,%%rdi\n\t"
"syscall \n\t"
: // no outputs "=" (r)
: "rm" (code)
);
// not reached
_exit (0);
}

17
lib/linux/x86_64-mes-gcc/mini.c → lib/linux/x86_64-mes-gcc/_write.c
View file

@ -1,6 +1,6 @@
/* -*-comment-start: "//";comment-end:""-*- /* -*-comment-start: "//";comment-end:""-*-
* GNU Mes --- Maxwell Equations of Software * GNU Mes --- Maxwell Equations of Software
* Copyright © 2016,2017,2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org> * Copyright © 2016,2017,2018,2019,2020 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
* *
* This file is part of GNU Mes. * This file is part of GNU Mes.
* *
@ -20,24 +20,9 @@
#include "mes/lib-mini.h" #include "mes/lib-mini.h"
#define SYS_exit "0x3c"
#define SYS_write "0x01" #define SYS_write "0x01"
// *INDENT-OFF* // *INDENT-OFF*
void
_exit (int code)
{
asm (
"mov $"SYS_exit",%%rax\n\t"
"mov %0,%%rdi\n\t"
"syscall \n\t"
: // no outputs "=" (r)
: "rm" (code)
);
// not reached
_exit (0);
}
ssize_t ssize_t
_write (int filedes, void const *buffer, size_t size) _write (int filedes, void const *buffer, size_t size)
{ {

32
lib/linux/x86_64-mes-mescc/_exit.c Normal file
View file

@ -0,0 +1,32 @@
/* -*-comment-start: "//";comment-end:""-*-
* GNU Mes --- Maxwell Equations of Software
* Copyright © 2018,2020 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
*
* This file is part of GNU Mes.
*
* GNU 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.
*
* GNU 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 GNU Mes. If not, see <http://www.gnu.org/licenses/>.
*/
#include "mes/lib-mini.h"
void
_exit (int status)
{
#if 1 // !MES_CCAMD64
asm ("mov____0x8(%rbp),%rdi !0x10");
#endif
asm ("mov____$i32,%rax SYS_exit");
asm ("syscall");
}

13
lib/linux/x86_64-mes-mescc/mini.c → lib/linux/x86_64-mes-mescc/_write.c
View file

@ -1,6 +1,6 @@
/* -*-comment-start: "//";comment-end:""-*- /* -*-comment-start: "//";comment-end:""-*-
* GNU Mes --- Maxwell Equations of Software * GNU Mes --- Maxwell Equations of Software
* Copyright © 2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org> * Copyright © 2018,2020 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
* *
* This file is part of GNU Mes. * This file is part of GNU Mes.
* *
@ -20,17 +20,6 @@
#include "mes/lib-mini.h" #include "mes/lib-mini.h"
void
_exit (int status)
{
#if 1 // !MES_CCAMD64
asm ("mov____0x8(%rbp),%rdi !0x10");
#endif
asm ("mov____$i32,%rax SYS_exit");
asm ("syscall");
}
void void
_write (int filedes, void const *buffer, size_t size) _write (int filedes, void const *buffer, size_t size)
{ {

9
simple.sh
View file

@ -91,7 +91,8 @@ MES_DEBUG=2 MES=out-system-libc/mes sh -x scripts/mescc -m $mes_bits -nostdlib\
\ \
lib/mes/eputs.c\ lib/mes/eputs.c\
\ \
lib/linux/$mes_cpu-mes-mescc/mini.c\ lib/linux/$mes_cpu-mes-mescc/_exit.c\
lib/linux/$mes_cpu-mes-mescc/_write.c\
\ \
lib/mes/write.c\ lib/mes/write.c\
lib/string/strlen.c\ lib/string/strlen.c\
@ -142,7 +143,8 @@ $CC -g -D HAVE_CONFIG_H=1 -I include -I include/$mes_kernel/$mes_cpu\
lib/string/strlen.c\ lib/string/strlen.c\
lib/stdlib/puts.c\ lib/stdlib/puts.c\
lib/stdlib/exit.c\ lib/stdlib/exit.c\
lib/$mes_kernel/$mes_cpu-mes-$compiler/mini.c\ lib/$mes_kernel/$mes_cpu-mes-$compiler/_exit.c\
lib/$mes_kernel/$mes_cpu-mes-$compiler/_write.c\
\ \
lib/mes/div.c\ lib/mes/div.c\
lib/mes/itoa.c\ lib/mes/itoa.c\
@ -252,7 +254,8 @@ MES_DEBUG=2 MES=out-mes/mes sh -x scripts/mescc -m $mes_bits -nostdlib\
\ \
lib/mes/eputs.c\ lib/mes/eputs.c\
\ \
lib/linux/$mes_cpu-mes-mescc/mini.c\ lib/linux/$mes_cpu-mes-mescc/_exit.c\
lib/linux/$mes_cpu-mes-mescc/_write.c\
\ \
lib/mes/write.c\ lib/mes/write.c\
lib/string/strlen.c\ lib/string/strlen.c\