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786 |
skrzyp |
//=============================================================================
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//
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// syscall-i386-linux-1.0.S
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//
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// Linux system call interface functions for i386.
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//
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//=============================================================================
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// ####ECOSGPLCOPYRIGHTBEGIN####
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// -------------------------------------------
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// This file is part of eCos, the Embedded Configurable Operating System.
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// Copyright (C) 1998, 1999, 2000, 2001, 2002, 2005 Free Software Foundation, Inc.
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//
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// eCos is free software; you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation; either version 2 or (at your option) any later
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// version.
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//
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// eCos is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// 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 eCos; if not, write to the Free Software Foundation, Inc.,
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// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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// As a special exception, if other files instantiate templates or use
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// macros or inline functions from this file, or you compile this file
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// and link it with other works to produce a work based on this file,
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// this file does not by itself cause the resulting work to be covered by
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// the GNU General Public License. However the source code for this file
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// must still be made available in accordance with section (3) of the GNU
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// General Public License v2.
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//
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// This exception does not invalidate any other reasons why a work based
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// on this file might be covered by the GNU General Public License.
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// -------------------------------------------
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// ####ECOSGPLCOPYRIGHTEND####
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//=============================================================================
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//#####DESCRIPTIONBEGIN####
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//
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// Author(s): proven
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// Contributors:proven,bartv
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// Date: 1998-10-06
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// Description: Machine dependent syscalls for i386/i486/i586
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//
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//####DESCRIPTIONEND####
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//
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//=============================================================================
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// The numbers come from
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| 52 |
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#define SYS_setup 0 // Used only by init, to get system going.
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| 53 |
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#define SYS_exit 1
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| 54 |
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#define SYS_fork 2
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| 55 |
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#define SYS_read 3
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| 56 |
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#define SYS_write 4
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| 57 |
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#define SYS_open 5
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| 58 |
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#define SYS_close 6
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| 59 |
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#define SYS_waitpid 7
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| 60 |
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#define SYS_creat 8
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| 61 |
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#define SYS_link 9
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| 62 |
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#define SYS_unlink 10
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| 63 |
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#define SYS_execve 11
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| 64 |
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#define SYS_chdir 12
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| 65 |
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#define SYS_time 13
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| 66 |
|
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#define SYS_prev_mknod 14
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| 67 |
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#define SYS_chmod 15
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| 68 |
|
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#define SYS_lchown 16
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| 69 |
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#define SYS_break 17
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| 70 |
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#define SYS_oldstat 18
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| 71 |
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#define SYS_lseek 19
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| 72 |
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#define SYS_getpid 20
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| 73 |
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#define SYS_mount 21
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| 74 |
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#define SYS_umount 22
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| 75 |
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#define SYS_setuid 23
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| 76 |
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#define SYS_getuid 24
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| 77 |
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#define SYS_stime 25
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| 78 |
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#define SYS_ptrace 26
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| 79 |
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#define SYS_alarm 27
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| 80 |
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#define SYS_oldfstat 28
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| 81 |
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#define SYS_pause 29
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| 82 |
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#define SYS_utime 30
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| 83 |
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#define SYS_stty 31
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| 84 |
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#define SYS_gtty 32
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| 85 |
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#define SYS_access 33
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| 86 |
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#define SYS_nice 34
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| 87 |
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#define SYS_ftime 35
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| 88 |
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#define SYS_sync 36
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| 89 |
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#define SYS_kill 37
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| 90 |
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#define SYS_rename 38
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| 91 |
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#define SYS_mkdir 39
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| 92 |
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#define SYS_rmdir 40
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| 93 |
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#define SYS_dup 41
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| 94 |
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#define SYS_pipe 42
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| 95 |
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#define SYS_times 43
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#define SYS_prof 44
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| 97 |
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#define SYS_brk 45
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#define SYS_setgid 46
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#define SYS_getgid 47
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| 100 |
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#define SYS_signal 48
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| 101 |
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#define SYS_geteuid 49
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#define SYS_getegid 50
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#define SYS_acct 51
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#define SYS_phys 52
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#define SYS_lock 53
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| 106 |
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#define SYS_ioctl 54
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#define SYS_fcntl 55
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#define SYS_mpx 56
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#define SYS_setpgid 57
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#define SYS_ulimit 58
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#define SYS_oldolduname 59
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#define SYS_umask 60
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#define SYS_chroot 61
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#define SYS_prev_ustat 62
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#define SYS_dup2 63
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#define SYS_getppid 64
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#define SYS_getpgrp 65
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#define SYS_setsid 66
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#define SYS_sigaction 67
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| 120 |
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#define SYS_siggetmask 68
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| 121 |
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#define SYS_sigsetmask 69
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#define SYS_setreuid 70
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#define SYS_setregid 71
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#define SYS_sigsuspend 72
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#define SYS_sigpending 73
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#define SYS_sethostname 74
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#define SYS_setrlimit 75
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#define SYS_getrlimit 76
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| 129 |
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#define SYS_getrusage 77
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| 130 |
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#define SYS_gettimeofday 78
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| 131 |
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#define SYS_settimeofday 79
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| 132 |
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#define SYS_getgroups 80
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#define SYS_setgroups 81
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| 134 |
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#define SYS_select 82
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| 135 |
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#define SYS_symlink 83
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| 136 |
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#define SYS_oldlstat 84
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| 137 |
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#define SYS_readlink 85
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| 138 |
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#define SYS_uselib 86
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| 139 |
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#define SYS_swapon 87
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| 140 |
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#define SYS_reboot 88
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| 141 |
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#define SYS_readdir 89
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| 142 |
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#define SYS_mmapx 90
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#define SYS_munmap 91
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| 144 |
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#define SYS_truncate 92
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| 145 |
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#define SYS_ftruncate 93
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| 146 |
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#define SYS_fchmod 94
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| 147 |
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#define SYS_fchown 95
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| 148 |
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#define SYS_getpriority 96
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| 149 |
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#define SYS_setpriority 97
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| 150 |
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#define SYS_profil 98
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| 151 |
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#define SYS_statfs 99
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| 152 |
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#define SYS_fstatfs 100
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| 153 |
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#define SYS_ioperm 101
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| 154 |
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#define SYS_socketcall 102
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#define SYS_klog 103
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| 156 |
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#define SYS_setitimer 104
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#define SYS_getitimer 105
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#define SYS_newstat 106
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| 159 |
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#define SYS_newlstat 107
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| 160 |
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#define SYS_newfstat 108
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| 161 |
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#define SYS_olduname 109
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| 162 |
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#define SYS_iopl 110
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| 163 |
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#define SYS_vhangup 111
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| 164 |
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#define SYS_idle 112
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| 165 |
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#define SYS_vm86old 113
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#define SYS_wait4 114
|
| 167 |
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|
#define SYS_swapoff 115
|
| 168 |
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|
#define SYS_sysinfo 116
|
| 169 |
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#define SYS_ipc 117
|
| 170 |
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#define SYS_fsync 118
|
| 171 |
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#define SYS_sigreturn 119
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| 172 |
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#define SYS_clone 120
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| 173 |
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#define SYS_setdomainname 121
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| 174 |
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#define SYS_uname 122
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| 175 |
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#define SYS_modify_ldt 123
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| 176 |
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#define SYS_adjtimex 124
|
| 177 |
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#define SYS_mprotect 125
|
| 178 |
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#define SYS_sigprocmask 126
|
| 179 |
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#define SYS_create_module 127
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| 180 |
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#define SYS_init_module 128
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| 181 |
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#define SYS_delete_module 129
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| 182 |
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#define SYS_get_kernel_syms 130
|
| 183 |
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#define SYS_quotactl 131
|
| 184 |
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#define SYS_getpgid 132
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| 185 |
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#define SYS_fchdir 133
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| 186 |
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#define SYS_bdflush 134
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| 187 |
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#define SYS_sysfs 135
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| 188 |
|
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#define SYS_personality 136
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| 189 |
|
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#define SYS_afs_syscall 137 // Syscall for Andrew File System
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| 190 |
|
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#define SYS_setfsuid 138
|
| 191 |
|
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#define SYS_setfsgid 139
|
| 192 |
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#define SYS__llseek 140
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| 193 |
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#define SYS_getdents 141
|
| 194 |
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#define SYS__newselect 142
|
| 195 |
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#define SYS_flock 143
|
| 196 |
|
|
#define SYS_syscall_flock 143
|
| 197 |
|
|
#define SYS_msync 144
|
| 198 |
|
|
#define SYS_readv 145
|
| 199 |
|
|
#define SYS_syscall_readv 145
|
| 200 |
|
|
#define SYS_writev 146
|
| 201 |
|
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#define SYS_syscall_writev 146
|
| 202 |
|
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#define SYS_getsid 147
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| 203 |
|
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#define SYS_fdatasync 148
|
| 204 |
|
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#define SYS__sysctl 149
|
| 205 |
|
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#define SYS_mlock 150
|
| 206 |
|
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#define SYS_munlock 151
|
| 207 |
|
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#define SYS_mlockall 152
|
| 208 |
|
|
#define SYS_munlockall 153
|
| 209 |
|
|
#define SYS_sched_setparam 154
|
| 210 |
|
|
#define SYS_sched_getparam 155
|
| 211 |
|
|
#define SYS_sched_setscheduler 156
|
| 212 |
|
|
#define SYS_sched_getscheduler 157
|
| 213 |
|
|
#define SYS_sched_yield 158
|
| 214 |
|
|
#define SYS_sched_get_priority_max 159
|
| 215 |
|
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#define SYS_sched_get_priority_min 160
|
| 216 |
|
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#define SYS_sched_rr_get_interval 161
|
| 217 |
|
|
#define SYS_nanosleep 162
|
| 218 |
|
|
#define SYS_mremap 163
|
| 219 |
|
|
#define SYS_setresuid 164
|
| 220 |
|
|
#define SYS_getresuid 165
|
| 221 |
|
|
#define SYS_vm86 166
|
| 222 |
|
|
#define SYS_query_module 167
|
| 223 |
|
|
#define SYS_poll 168
|
| 224 |
|
|
#define SYS_nfsservctl 169
|
| 225 |
|
|
#define SYS_setresgid 170
|
| 226 |
|
|
#define SYS_getresgid 171
|
| 227 |
|
|
#define SYS_prctl 172
|
| 228 |
|
|
#define SYS_rt_sigreturn 173
|
| 229 |
|
|
#define SYS_rt_sigaction 174
|
| 230 |
|
|
#define SYS_rt_sigprocmask 175
|
| 231 |
|
|
#define SYS_rt_sigpending 176
|
| 232 |
|
|
#define SYS_rt_sigtimedwait 177
|
| 233 |
|
|
#define SYS_rt_sigqueueinfo 178
|
| 234 |
|
|
#define SYS_rt_sigsuspend 179
|
| 235 |
|
|
#define SYS_pread 180
|
| 236 |
|
|
#define SYS_pwrite 181
|
| 237 |
|
|
#define SYS_chown 182
|
| 238 |
|
|
#define SYS_getcwd 183
|
| 239 |
|
|
#define SYS_capget 184
|
| 240 |
|
|
#define SYS_capset 185
|
| 241 |
|
|
#define SYS_sigaltstack 186
|
| 242 |
|
|
#define SYS_sendfile 187
|
| 243 |
|
|
#define SYS_getpmsg 188
|
| 244 |
|
|
#define SYS_putpmsg 189
|
| 245 |
|
|
#define SYS_vfork 190
|
| 246 |
|
|
#define SYS_ugetrlimit 191
|
| 247 |
|
|
#define SYS_mmap2 192
|
| 248 |
|
|
#define SYS_truncate64 193
|
| 249 |
|
|
#define SYS_ftruncate64 194
|
| 250 |
|
|
#define SYS_stat64 195
|
| 251 |
|
|
#define SYS_lstat64 196
|
| 252 |
|
|
#define SYS_fstat64 197
|
| 253 |
|
|
#define SYS_lchown32 198
|
| 254 |
|
|
#define SYS_getuid32 199
|
| 255 |
|
|
#define SYS_getgid32 200
|
| 256 |
|
|
#define SYS_geteuid32 201
|
| 257 |
|
|
#define SYS_getegid32 202
|
| 258 |
|
|
#define SYS_setreuid32 203
|
| 259 |
|
|
#define SYS_setregid32 204
|
| 260 |
|
|
#define SYS_getgroups32 205
|
| 261 |
|
|
#define SYS_setgroups32 206
|
| 262 |
|
|
#define SYS_fchown32 207
|
| 263 |
|
|
#define SYS_setresuid32 208
|
| 264 |
|
|
#define SYS_getresuid32 209
|
| 265 |
|
|
#define SYS_setresgid32 210
|
| 266 |
|
|
#define SYS_getresgid32 211
|
| 267 |
|
|
#define SYS_chown32 212
|
| 268 |
|
|
#define SYS_setuid32 213
|
| 269 |
|
|
#define SYS_setgid32 214
|
| 270 |
|
|
#define SYS_setfsuid32 215
|
| 271 |
|
|
#define SYS_setfsgid32 216
|
| 272 |
|
|
#define SYS_pivot_root 217
|
| 273 |
|
|
#define SYS_mincore 218
|
| 274 |
|
|
#define SYS_madvise 219
|
| 275 |
|
|
#define SYS_madvise1 219
|
| 276 |
|
|
#define SYS_getdents64 220
|
| 277 |
|
|
#define SYS_fcntl64 221
|
| 278 |
|
|
|
| 279 |
|
|
|
| 280 |
|
|
#define NAME(X) cyg_hal_sys_##X
|
| 281 |
|
|
#define END(X) 1: ; .type NAME(X),@function ; .size NAME(X),1b - NAME(X)
|
| 282 |
|
|
|
| 283 |
|
|
#define SYSCALL0(x) \
|
| 284 |
|
|
.globl NAME(x) ; \
|
| 285 |
|
|
\
|
| 286 |
|
|
NAME(x): \
|
| 287 |
|
|
\
|
| 288 |
|
|
push %ebx; \
|
| 289 |
|
|
lea SYS_##x, %eax; \
|
| 290 |
|
|
int $0x80; \
|
| 291 |
|
|
pop %ebx; \
|
| 292 |
|
|
ret; \
|
| 293 |
|
|
\
|
| 294 |
|
|
END(x)
|
| 295 |
|
|
|
| 296 |
|
|
#define SYSCALL1(x) \
|
| 297 |
|
|
.globl NAME(x) ; \
|
| 298 |
|
|
\
|
| 299 |
|
|
NAME(x): \
|
| 300 |
|
|
\
|
| 301 |
|
|
push %ebx; \
|
| 302 |
|
|
mov 8(%esp), %ebx; \
|
| 303 |
|
|
lea SYS_##x, %eax; \
|
| 304 |
|
|
int $0x80; \
|
| 305 |
|
|
pop %ebx; \
|
| 306 |
|
|
ret; \
|
| 307 |
|
|
\
|
| 308 |
|
|
END(x)
|
| 309 |
|
|
|
| 310 |
|
|
#define SYSCALL2(x) \
|
| 311 |
|
|
.globl NAME(x) ; \
|
| 312 |
|
|
\
|
| 313 |
|
|
NAME(x): \
|
| 314 |
|
|
\
|
| 315 |
|
|
push %ebx; \
|
| 316 |
|
|
mov 8(%esp), %ebx; \
|
| 317 |
|
|
mov 12(%esp), %ecx; \
|
| 318 |
|
|
lea SYS_##x, %eax; \
|
| 319 |
|
|
int $0x80; \
|
| 320 |
|
|
pop %ebx; \
|
| 321 |
|
|
ret; \
|
| 322 |
|
|
\
|
| 323 |
|
|
END(x)
|
| 324 |
|
|
|
| 325 |
|
|
#define SYSCALL3(x) \
|
| 326 |
|
|
.globl NAME(x) ; \
|
| 327 |
|
|
\
|
| 328 |
|
|
NAME(x): \
|
| 329 |
|
|
\
|
| 330 |
|
|
push %ebx; \
|
| 331 |
|
|
mov 8(%esp), %ebx; \
|
| 332 |
|
|
mov 12(%esp), %ecx; \
|
| 333 |
|
|
mov 16(%esp), %edx; \
|
| 334 |
|
|
lea SYS_##x, %eax; \
|
| 335 |
|
|
int $0x80; \
|
| 336 |
|
|
pop %ebx; \
|
| 337 |
|
|
ret; \
|
| 338 |
|
|
END(x)
|
| 339 |
|
|
|
| 340 |
|
|
|
| 341 |
|
|
#define SYSCALL4(x) \
|
| 342 |
|
|
.globl NAME(x) ; \
|
| 343 |
|
|
\
|
| 344 |
|
|
NAME(x): \
|
| 345 |
|
|
\
|
| 346 |
|
|
push %ebx; \
|
| 347 |
|
|
push %esi; \
|
| 348 |
|
|
mov 12(%esp), %ebx; \
|
| 349 |
|
|
mov 16(%esp), %ecx; \
|
| 350 |
|
|
mov 20(%esp), %edx; \
|
| 351 |
|
|
mov 24(%esp), %esi; \
|
| 352 |
|
|
lea SYS_##x, %eax; \
|
| 353 |
|
|
int $0x80; \
|
| 354 |
|
|
pop %esi; \
|
| 355 |
|
|
pop %ebx; \
|
| 356 |
|
|
ret; \
|
| 357 |
|
|
END(x)
|
| 358 |
|
|
|
| 359 |
|
|
#define SYSCALL5(x) \
|
| 360 |
|
|
.globl NAME(x) ; \
|
| 361 |
|
|
\
|
| 362 |
|
|
NAME(x): \
|
| 363 |
|
|
\
|
| 364 |
|
|
push %ebx; \
|
| 365 |
|
|
push %esi; \
|
| 366 |
|
|
push %edi; \
|
| 367 |
|
|
mov 16(%esp), %ebx; \
|
| 368 |
|
|
mov 20(%esp), %ecx; \
|
| 369 |
|
|
mov 24(%esp), %edx; \
|
| 370 |
|
|
mov 28(%esp), %esi; \
|
| 371 |
|
|
mov 32(%esp), %edi; \
|
| 372 |
|
|
lea SYS_##x, %eax; \
|
| 373 |
|
|
int $0x80; \
|
| 374 |
|
|
pop %edi; \
|
| 375 |
|
|
pop %esi; \
|
| 376 |
|
|
pop %ebx; \
|
| 377 |
|
|
ret; \
|
| 378 |
|
|
END(x)
|
| 379 |
|
|
|
| 380 |
|
|
|
| 381 |
|
|
//==========================================================================
|
| 382 |
|
|
// Initial asm stuff for all functions.
|
| 383 |
|
|
.text
|
| 384 |
|
|
.align 2
|
| 385 |
|
|
|
| 386 |
|
|
SYSCALL1(exit)
|
| 387 |
|
|
SYSCALL0(fork)
|
| 388 |
|
|
SYSCALL3(read)
|
| 389 |
|
|
SYSCALL3(write)
|
| 390 |
|
|
SYSCALL3(open)
|
| 391 |
|
|
SYSCALL1(close)
|
| 392 |
|
|
SYSCALL3(waitpid)
|
| 393 |
|
|
SYSCALL2(creat)
|
| 394 |
|
|
SYSCALL2(link)
|
| 395 |
|
|
SYSCALL1(unlink)
|
| 396 |
|
|
SYSCALL3(execve)
|
| 397 |
|
|
SYSCALL1(chdir)
|
| 398 |
|
|
SYSCALL1(time)
|
| 399 |
|
|
SYSCALL2(chmod)
|
| 400 |
|
|
SYSCALL3(lseek)
|
| 401 |
|
|
SYSCALL0(getpid)
|
| 402 |
|
|
SYSCALL0(getuid)
|
| 403 |
|
|
SYSCALL1(nice)
|
| 404 |
|
|
SYSCALL2(kill)
|
| 405 |
|
|
SYSCALL2(rename)
|
| 406 |
|
|
SYSCALL1(dup)
|
| 407 |
|
|
SYSCALL1(pipe)
|
| 408 |
|
|
SYSCALL1(brk)
|
| 409 |
|
|
SYSCALL3(ioctl)
|
| 410 |
|
|
SYSCALL3(fcntl)
|
| 411 |
|
|
SYSCALL1(chroot)
|
| 412 |
|
|
SYSCALL2(dup2)
|
| 413 |
|
|
SYSCALL3(sigaction)
|
| 414 |
|
|
SYSCALL2(gettimeofday)
|
| 415 |
|
|
SYSCALL1(mmapx)
|
| 416 |
|
|
SYSCALL2(socketcall)
|
| 417 |
|
|
SYSCALL3(setitimer)
|
| 418 |
|
|
SYSCALL3(sigprocmask)
|
| 419 |
|
|
SYSCALL5(_newselect)
|
| 420 |
|
|
SYSCALL3(readv)
|
| 421 |
|
|
SYSCALL3(writev)
|
| 422 |
|
|
SYSCALL1(fdatasync)
|
| 423 |
|
|
SYSCALL2(getcwd)
|
| 424 |
|
|
SYSCALL2(access)
|
| 425 |
|
|
SYSCALL3(readdir)
|
| 426 |
|
|
SYSCALL2(oldlstat)
|
| 427 |
|
|
SYSCALL2(oldfstat)
|
| 428 |
|
|
SYSCALL2(oldstat)
|
| 429 |
|
|
SYSCALL2(newlstat)
|
| 430 |
|
|
SYSCALL2(newfstat)
|
| 431 |
|
|
SYSCALL2(newstat)
|
| 432 |
|
|
SYSCALL2(mkdir)
|
| 433 |
|
|
SYSCALL5(ipc)
|
| 434 |
|
|
|
| 435 |
|
|
// ----------------------------------------------------------------------------
|
| 436 |
|
|
// Special support for returning from a signal handler. In theory no special
|
| 437 |
|
|
// action is needed, but with some versions of the kernel on some
|
| 438 |
|
|
// architectures that is not good enough. Instead returning has to happen
|
| 439 |
|
|
// via another system call.
|
| 440 |
|
|
|
| 441 |
|
|
.align 16
|
| 442 |
|
|
.global cyg_hal_sys_restore_rt
|
| 443 |
|
|
cyg_hal_sys_restore_rt:
|
| 444 |
|
|
movl $SYS_rt_sigreturn, %eax
|
| 445 |
|
|
int $0x80
|
| 446 |
|
|
1:
|
| 447 |
|
|
.type cyg_hal_sys_restore_rt,@function
|
| 448 |
|
|
.size cyg_hal_sys_restore_rt,1b - cyg_hal_sys_restore_rt
|
| 449 |
|
|
|
| 450 |
|
|
.align 8
|
| 451 |
|
|
.global cyg_hal_sys_restore
|
| 452 |
|
|
cyg_hal_sys_restore:
|
| 453 |
|
|
popl %eax
|
| 454 |
|
|
movl $SYS_sigreturn, %eax
|
| 455 |
|
|
int $0x80
|
| 456 |
|
|
1:
|
| 457 |
|
|
.type cyg_hal_sys_restore,@function
|
| 458 |
|
|
.size cyg_hal_sys_restore,1b - cyg_hal_sys_restore
|
