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199 lines
8 KiB
C++
199 lines
8 KiB
C++
/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2011, 2012, 2013, 2014.
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This file is part of Sortix.
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Sortix is free software: you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation, either version 3 of the License, or (at your option) any later
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version.
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Sortix is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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details.
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You should have received a copy of the GNU General Public License along with
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Sortix. If not, see <http://www.gnu.org/licenses/>.
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syscall.cpp
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Handles system calls from user-space.
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*******************************************************************************/
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#include <errno.h>
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#include <stddef.h>
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#include <sortix/syscall.h>
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#include <sortix/kernel/log.h>
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#include <sortix/kernel/syscall.h>
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namespace Sortix {
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extern "C" {
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void* syscall_list[SYSCALL_MAX_NUM + 1] =
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{
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[SYSCALL_BAD_SYSCALL] = (void*) sys_bad_syscall,
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[SYSCALL_EXIT] = (void*) sys_bad_syscall,
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[SYSCALL_SLEEP] = (void*) sys_bad_syscall,
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[SYSCALL_USLEEP] = (void*) sys_bad_syscall,
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[SYSCALL_PRINT_STRING] = (void*) sys_bad_syscall,
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[SYSCALL_CREATE_FRAME] = (void*) sys_bad_syscall,
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[SYSCALL_CHANGE_FRAME] = (void*) sys_bad_syscall,
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[SYSCALL_DELETE_FRAME] = (void*) sys_bad_syscall,
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[SYSCALL_RECEIVE_KEYSTROKE] = (void*) sys_bad_syscall,
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[SYSCALL_SET_FREQUENCY] = (void*) sys_bad_syscall,
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[SYSCALL_EXECVE] = (void*) sys_execve,
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[SYSCALL_PRINT_PATH_FILES] = (void*) sys_bad_syscall,
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[SYSCALL_FORK] = (void*) sys_bad_syscall,
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[SYSCALL_GETPID] = (void*) sys_getpid,
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[SYSCALL_GETPPID] = (void*) sys_getppid,
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[SYSCALL_GET_FILEINFO] = (void*) sys_bad_syscall,
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[SYSCALL_GET_NUM_FILES] = (void*) sys_bad_syscall,
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[SYSCALL_WAITPID] = (void*) sys_waitpid,
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[SYSCALL_READ] = (void*) sys_read,
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[SYSCALL_WRITE] = (void*) sys_write,
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[SYSCALL_PIPE] = (void*) sys_bad_syscall,
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[SYSCALL_CLOSE] = (void*) sys_close,
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[SYSCALL_DUP] = (void*) sys_dup,
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[SYSCALL_OPEN] = (void*) sys_bad_syscall,
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[SYSCALL_READDIRENTS] = (void*) sys_readdirents,
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[SYSCALL_CHDIR] = (void*) sys_bad_syscall,
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[SYSCALL_GETCWD] = (void*) sys_bad_syscall,
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[SYSCALL_UNLINK] = (void*) sys_bad_syscall,
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[SYSCALL_REGISTER_ERRNO] = (void*) sys_bad_syscall,
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[SYSCALL_REGISTER_SIGNAL_HANDLER] = (void*) sys_bad_syscall,
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[SYSCALL_SIGRETURN] = (void*) sys_bad_syscall,
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[SYSCALL_KILL] = (void*) sys_kill,
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[SYSCALL_MEMSTAT] = (void*) sys_memstat,
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[SYSCALL_ISATTY] = (void*) sys_isatty,
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[SYSCALL_UPTIME] = (void*) sys_bad_syscall,
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[SYSCALL_SBRK] = (void*) sys_bad_syscall,
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[SYSCALL_LSEEK] = (void*) sys_lseek,
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[SYSCALL_GETPAGESIZE] = (void*) sys_getpagesize,
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[SYSCALL_MKDIR] = (void*) sys_bad_syscall,
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[SYSCALL_RMDIR] = (void*) sys_bad_syscall,
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[SYSCALL_TRUNCATE] = (void*) sys_bad_syscall,
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[SYSCALL_FTRUNCATE] = (void*) sys_ftruncate,
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[SYSCALL_SETTERMMODE] = (void*) sys_settermmode,
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[SYSCALL_GETTERMMODE] = (void*) sys_gettermmode,
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[SYSCALL_STAT] = (void*) sys_bad_syscall,
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[SYSCALL_FSTAT] = (void*) sys_fstat,
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[SYSCALL_FCNTL] = (void*) sys_fcntl,
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[SYSCALL_ACCESS] = (void*) sys_bad_syscall,
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[SYSCALL_KERNELINFO] = (void*) sys_kernelinfo,
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[SYSCALL_PREAD] = (void*) sys_pread,
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[SYSCALL_PWRITE] = (void*) sys_pwrite,
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[SYSCALL_TFORK] = (void*) sys_tfork,
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[SYSCALL_TCGETWINSIZE] = (void*) sys_tcgetwinsize,
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[SYSCALL_RAISE] = (void*) sys_raise,
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[SYSCALL_OPENAT] = (void*) sys_openat,
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[SYSCALL_DISPMSG_ISSUE] = (void*) sys_dispmsg_issue,
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[SYSCALL_FSTATAT] = (void*) sys_fstatat,
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[SYSCALL_CHMOD] = (void*) sys_bad_syscall,
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[SYSCALL_CHOWN] = (void*) sys_bad_syscall,
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[SYSCALL_LINK] = (void*) sys_bad_syscall,
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[SYSCALL_DUP2] = (void*) sys_dup2,
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[SYSCALL_UNLINKAT] = (void*) sys_unlinkat,
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[SYSCALL_FACCESSAT] = (void*) sys_faccessat,
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[SYSCALL_MKDIRAT] = (void*) sys_mkdirat,
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[SYSCALL_FCHDIR] = (void*) sys_fchdir,
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[SYSCALL_TRUNCATEAT] = (void*) sys_truncateat,
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[SYSCALL_FCHOWNAT] = (void*) sys_fchownat,
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[SYSCALL_FCHOWN] = (void*) sys_fchown,
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[SYSCALL_FCHMOD] = (void*) sys_fchmod,
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[SYSCALL_FCHMODAT] = (void*) sys_fchmodat,
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[SYSCALL_LINKAT] = (void*) sys_linkat,
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[SYSCALL_FSM_FSBIND] = (void*) sys_fsm_fsbind,
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[SYSCALL_PPOLL] = (void*) sys_ppoll,
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[SYSCALL_RENAMEAT] = (void*) sys_renameat,
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[SYSCALL_READLINKAT] = (void*) sys_readlinkat,
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[SYSCALL_FSYNC] = (void*) sys_fsync,
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[SYSCALL_GETUID] = (void*) sys_getuid,
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[SYSCALL_GETGID] = (void*) sys_getgid,
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[SYSCALL_SETUID] = (void*) sys_setuid,
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[SYSCALL_SETGID] = (void*) sys_setgid,
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[SYSCALL_GETEUID] = (void*) sys_geteuid,
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[SYSCALL_GETEGID] = (void*) sys_getegid,
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[SYSCALL_SETEUID] = (void*) sys_seteuid,
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[SYSCALL_SETEGID] = (void*) sys_setegid,
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[SYSCALL_IOCTL] = (void*) sys_ioctl,
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[SYSCALL_UTIMENSAT] = (void*) sys_utimensat,
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[SYSCALL_FUTIMENS] = (void*) sys_futimens,
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[SYSCALL_RECV] = (void*) sys_recv,
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[SYSCALL_SEND] = (void*) sys_send,
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[SYSCALL_ACCEPT4] = (void*) sys_accept4,
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[SYSCALL_BIND] = (void*) sys_bind,
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[SYSCALL_CONNECT] = (void*) sys_connect,
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[SYSCALL_LISTEN] = (void*) sys_listen,
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[SYSCALL_READV] = (void*) sys_readv,
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[SYSCALL_WRITEV] = (void*) sys_writev,
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[SYSCALL_PREADV] = (void*) sys_preadv,
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[SYSCALL_PWRITEV] = (void*) sys_pwritev,
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[SYSCALL_TIMER_CREATE] = (void*) sys_timer_create,
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[SYSCALL_TIMER_DELETE] = (void*) sys_timer_delete,
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[SYSCALL_TIMER_GETOVERRUN] = (void*) sys_timer_getoverrun,
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[SYSCALL_TIMER_GETTIME] = (void*) sys_timer_gettime,
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[SYSCALL_TIMER_SETTIME] = (void*) sys_timer_settime,
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[SYSCALL_ALARMNS] = (void*) sys_alarmns,
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[SYSCALL_CLOCK_GETTIMERES] = (void*) sys_clock_gettimeres,
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[SYSCALL_CLOCK_SETTIMERES] = (void*) sys_clock_settimeres,
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[SYSCALL_CLOCK_NANOSLEEP] = (void*) sys_clock_nanosleep,
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[SYSCALL_TIMENS] = (void*) sys_timens,
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[SYSCALL_UMASK] = (void*) sys_umask,
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[SYSCALL_FCHDIRAT] = (void*) sys_fchdirat,
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[SYSCALL_FCHROOT] = (void*) sys_fchroot,
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[SYSCALL_FCHROOTAT] = (void*) sys_fchrootat,
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[SYSCALL_MKPARTITION] = (void*) sys_mkpartition,
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[SYSCALL_GETPGID] = (void*) sys_getpgid,
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[SYSCALL_SETPGID] = (void*) sys_setpgid,
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[SYSCALL_TCGETPGRP] = (void*) sys_tcgetpgrp,
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[SYSCALL_TCSETPGRP] = (void*) sys_tcsetpgrp,
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[SYSCALL_MMAP_WRAPPER] = (void*) sys_mmap_wrapper,
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[SYSCALL_MPROTECT] = (void*) sys_mprotect,
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[SYSCALL_MUNMAP] = (void*) sys_munmap,
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[SYSCALL_GETPRIORITY] = (void*) sys_getpriority,
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[SYSCALL_SETPRIORITY] = (void*) sys_setpriority,
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[SYSCALL_PRLIMIT] = (void*) sys_prlimit,
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[SYSCALL_DUP3] = (void*) sys_dup3,
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[SYSCALL_SYMLINKAT] = (void*) sys_symlinkat,
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[SYSCALL_TCGETWINCURPOS] = (void*) sys_tcgetwincurpos,
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[SYSCALL_PIPE2] = (void*) sys_pipe2,
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[SYSCALL_GETUMASK] = (void*) sys_getumask,
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[SYSCALL_FSTATVFS] = (void*) sys_fstatvfs,
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[SYSCALL_FSTATVFSAT] = (void*) sys_fstatvfsat,
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[SYSCALL_RDMSR] = (void*) sys_rdmsr,
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[SYSCALL_WRMSR] = (void*) sys_wrmsr,
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[SYSCALL_SCHED_YIELD] = (void*) sys_sched_yield,
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[SYSCALL_EXIT_THREAD] = (void*) sys_exit_thread,
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[SYSCALL_SIGACTION] = (void*) sys_sigaction,
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[SYSCALL_SIGALTSTACK] = (void*) sys_sigaltstack,
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[SYSCALL_SIGPENDING] = (void*) sys_sigpending,
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[SYSCALL_SIGPROCMASK] = (void*) sys_sigprocmask,
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[SYSCALL_SIGSUSPEND] = (void*) sys_sigsuspend,
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[SYSCALL_SENDMSG] = (void*) sys_sendmsg,
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[SYSCALL_RECVMSG] = (void*) sys_recvmsg,
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[SYSCALL_GETSOCKOPT] = (void*) sys_getsockopt,
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[SYSCALL_SETSOCKOPT] = (void*) sys_setsockopt,
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[SYSCALL_TCGETBLOB] = (void*) sys_tcgetblob,
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[SYSCALL_TCSETBLOB] = (void*) sys_tcsetblob,
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[SYSCALL_GETPEERNAME] = (void*) sys_getpeername,
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[SYSCALL_GETSOCKNAME] = (void*) sys_getsockname,
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[SYSCALL_SHUTDOWN] = (void*) sys_shutdown,
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[SYSCALL_GETENTROPY] = (void*) sys_getentropy,
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[SYSCALL_GETHOSTNAME] = (void*) sys_gethostname,
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[SYSCALL_SETHOSTNAME] = (void*) sys_sethostname,
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[SYSCALL_MAX_NUM] = (void*) sys_bad_syscall,
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};
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} // extern "C"
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int sys_bad_syscall(void)
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{
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// TODO: Send signal, set errno, or crash/abort process?
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Log::PrintF("I am the bad system call!\n");
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return errno = EINVAL, -1;
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}
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} // namespace Sortix
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