arm-mes-m2
This commit is contained in:
parent
df10261717
commit
f9ea638526
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/* -*-comment-start: "//";comment-end:""-*-
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* GNU Mes --- Maxwell Equations of Software
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* Copyright © 2016,2017,2020,2022 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
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* Copyright © 2020 Danny Milosavljevic <dannym@scratchpost.org>
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*
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* This file is part of GNU Mes.
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*
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* GNU Mes is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or (at
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* your option) any later version.
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*
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* GNU Mes is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
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*/
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void
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_exit ()
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{
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asm ("SYS_exit mov____$i8,%r7");
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asm ("!-4 ldr____%r0,(%fp,+#$i8)");
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asm ("swi____$0");
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}
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/* -*-comment-start: "//";comment-end:""-*-
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* GNU Mes --- Maxwell Equations of Software
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* Copyright © 2016,2017,2020,2022 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
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* Copyright © 2020 Danny Milosavljevic <dannym@scratchpost.org>
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*
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* This file is part of GNU Mes.
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*
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* GNU Mes is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or (at
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* your option) any later version.
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*
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* GNU Mes is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
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*/
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void
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_write ()
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{
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asm ("SYS_write mov____$i8,%r7");
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asm ("!-4 ldr____%r0,(%fp,+#$i8)");
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asm ("!-8 ldr____%r1,(%fp,+#$i8)");
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asm ("!-12 ldr____%r2,(%fp,+#$i8)");
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asm ("swi____$0");
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}
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### GNU Mes --- Maxwell Equations of Software
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### Copyright © 2017,2018,2022 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
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### Copyright © 2020 Danny Milosavljevic <dannym@scratchpost.org>
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###
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### This file is part of GNU Mes.
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###
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### GNU Mes is free software; you can redistribute it and/or modify it
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### under the terms of the GNU General Public License as published by
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### the Free Software Foundation; either version 3 of the License, or (at
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### your option) any later version.
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###
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### GNU Mes is distributed in the hope that it will be useful, but
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### WITHOUT ANY WARRANTY; without even the implied warranty of
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### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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### GNU General Public License for more details.
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###
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### You should have received a copy of the GNU General Public License
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### along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
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:_start
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push___%lr
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push___%ebp
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mov____%esp,%ebp
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allocate_stack_4180
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!0 mov____$i8,%r0
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mov____%r0,0x32 &GLOBAL___stdin
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!1 mov____$i8,%r0
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mov____%r0,0x32 &GLOBAL___stdout
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!2 mov____$i8,%r0
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mov____%r0,0x32 &GLOBAL___stderr
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!8 ldr____%r0,(%fp,+#$i8)
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mov____%fp,%r1
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!12 add____%r1,$i8
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add____%r2,%r1,%r0,lsl#2
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!4 add____%r2,$i8
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; M2-Planet calling convention pushes forward
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push___%r0 ; argc
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push___%r1 ; argv
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push___%r2 ; environ
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mov____%r2,0x32 &GLOBAL_environ
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^~main bl
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!0x0 add____$i8,%esp
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!0x0 cmp____$i8,%r0
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SYS_exit mov____$i8,%r7
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swi____$0
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:__start_loop
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wfi
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!0x1 mov____$i8,%r0
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!0x0 cmp____$i8,%r0
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^~__start_loop b
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mov____%ebp,%esp
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pop____%ebp
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ret
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/* -*-comment-start: "//";comment-end:""-*-
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* GNU Mes --- Maxwell Equations of Software
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* Copyright © 2017,2018,2019,2022 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
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*
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* This file is part of GNU Mes.
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*
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* GNU Mes is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or (at
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* your option) any later version.
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*
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* GNU Mes is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "mes/lib-mini.h"
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int __stdin;
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int __stdout;
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int __stderr;
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char **environ;
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int main (int argc, char **argv, char **envp);
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/* FIXME: this is going to be called `FUNCTION__start' */
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//#int
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//#_start ()
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//#{
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//# ..
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//#}
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@ -0,0 +1,166 @@
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/* -*-comment-start: "//";comment-end:""-*-
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* GNU Mes --- Maxwell Equations of Software
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* Copyright © 2016,2017,2018,2022 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
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*
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* This file is part of GNU Mes.
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*
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* GNU Mes is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or (at
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* your option) any later version.
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*
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* GNU Mes is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <errno.h>
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#include <linux/x86/syscall.h>
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int errno;
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int
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__sys_call (int sys_call)
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{
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asm ("!-4 ldr____%r7,(%fp,+#$i8)");
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asm ("swi____$0");
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}
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int
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__sys_call1 (int sys_call, int one)
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{
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asm ("!-4 ldr____%r7,(%fp,+#$i8)");
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asm ("!-8 ldr____%r0,(%fp,+#$i8)");
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asm ("swi____$0");
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}
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int
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__sys_call2 (int sys_call, int one, int two)
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{
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asm ("!-4 ldr____%r7,(%fp,+#$i8)");
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asm ("!-8 ldr____%r0,(%fp,+#$i8)");
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asm ("!-12 ldr____%r1,(%fp,+#$i8)");
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asm ("swi____$0");
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}
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int
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__sys_call3 (int sys_call, int one, int two, int three)
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{
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asm ("!-4 ldr____%r7,(%fp,+#$i8)");
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asm ("!-8 ldr____%r0,(%fp,+#$i8)");
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asm ("!-12 ldr____%r1,(%fp,+#$i8)");
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asm ("!-16 ldr____%r2,(%fp,+#$i8)");
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asm ("swi____$0");
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}
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int
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__sys_call4 (int sys_call, int one, int two, int three, int four)
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{
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asm ("!-4 ldr____%r7,(%fp,+#$i8)");
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asm ("!-8 ldr____%r0,(%fp,+#$i8)");
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asm ("!-12 ldr____%r1,(%fp,+#$i8)");
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asm ("!-16 ldr____%r2,(%fp,+#$i8)");
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asm ("!-20 ldr____%r3,(%fp,+#$i8)");
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asm ("swi____$0");
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}
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int
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__sys_call6 (int sys_call, int one, int two, int three, int four, int five, int six)
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{
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asm ("!-4 ldr____%r7,(%fp,+#$i8)");
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asm ("!-12 ldr____%r0,(%fp,+#$i8)");
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asm ("!-16 ldr____%r1,(%fp,+#$i8)");
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asm ("!-20 ldr____%r2,(%fp,+#$i8)");
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asm ("!-24 ldr____%r3,(%fp,+#$i8)");
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asm ("!-28 ldr____%r4,(%fp,+#$i8)");
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asm ("!-32 ldr____%r5,(%fp,+#$i8)");
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asm ("swi____$0");
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}
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int
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_sys_call (int sys_call)
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{
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int r = __sys_call (sys_call);
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if (r < 0)
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{
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errno = -r;
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r = -1;
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}
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else
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errno = 0;
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return r;
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}
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int
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_sys_call1 (int sys_call, int one)
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{
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int r = __sys_call1 (sys_call, one);
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if (r < 0)
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{
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errno = -r;
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r = -1;
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}
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else
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errno = 0;
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return r;
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}
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int
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_sys_call2 (int sys_call, int one, int two)
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{
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int r = __sys_call2 (sys_call, one, two);
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if (r < 0)
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{
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errno = -r;
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r = -1;
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}
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else
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errno = 0;
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return r;
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}
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int
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_sys_call3 (int sys_call, int one, int two, int three)
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{
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int r = __sys_call3 (sys_call, one, two, three);
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if (r < 0)
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{
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errno = -r;
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r = -1;
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}
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else
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errno = 0;
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return r;
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}
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int
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_sys_call4 (int sys_call, int one, int two, int three, int four)
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{
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int r = __sys_call4 (sys_call, one, two, three, four);
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if (r < 0)
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{
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errno = -r;
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r = -1;
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}
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else
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errno = 0;
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return r;
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}
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int
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_sys_call6 (int sys_call, int one, int two, int three, int four, int five, int six)
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{
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int r = __sys_call6 (sys_call, one, two, three, four, five, six);
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if (r < 0)
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{
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errno = -r;
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r = -1;
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}
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else
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errno = 0;
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return r;
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}
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