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sortix--sortix/kernel/syscall.cpp
2017-06-14 20:00:50 +01:00

212 lines
8.5 KiB
C++

/*
* Copyright (c) 2011, 2012, 2013, 2014, 2015, 2016 Jonas 'Sortie' Termansen.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* syscall.cpp
* Handles system calls from user-space.
*/
#include <errno.h>
#include <stddef.h>
#include <sortix/syscall.h>
#include <sortix/kernel/log.h>
#include <sortix/kernel/syscall.h>
namespace Sortix {
extern "C" {
void* syscall_list[SYSCALL_MAX_NUM + 1] =
{
[SYSCALL_BAD_SYSCALL] = (void*) sys_bad_syscall,
[SYSCALL_EXIT] = (void*) sys_bad_syscall,
[SYSCALL_SLEEP] = (void*) sys_bad_syscall,
[SYSCALL_USLEEP] = (void*) sys_bad_syscall,
[SYSCALL_PRINT_STRING] = (void*) sys_bad_syscall,
[SYSCALL_CREATE_FRAME] = (void*) sys_bad_syscall,
[SYSCALL_CHANGE_FRAME] = (void*) sys_bad_syscall,
[SYSCALL_DELETE_FRAME] = (void*) sys_bad_syscall,
[SYSCALL_RECEIVE_KEYSTROKE] = (void*) sys_bad_syscall,
[SYSCALL_SET_FREQUENCY] = (void*) sys_bad_syscall,
[SYSCALL_EXECVE] = (void*) sys_execve,
[SYSCALL_PRINT_PATH_FILES] = (void*) sys_bad_syscall,
[SYSCALL_FORK] = (void*) sys_bad_syscall,
[SYSCALL_GETPID] = (void*) sys_getpid,
[SYSCALL_GETPPID] = (void*) sys_getppid,
[SYSCALL_GET_FILEINFO] = (void*) sys_bad_syscall,
[SYSCALL_GET_NUM_FILES] = (void*) sys_bad_syscall,
[SYSCALL_WAITPID] = (void*) sys_waitpid,
[SYSCALL_READ] = (void*) sys_read,
[SYSCALL_WRITE] = (void*) sys_write,
[SYSCALL_PIPE] = (void*) sys_bad_syscall,
[SYSCALL_CLOSE] = (void*) sys_close,
[SYSCALL_DUP] = (void*) sys_dup,
[SYSCALL_OPEN] = (void*) sys_bad_syscall,
[SYSCALL_READDIRENTS] = (void*) sys_readdirents,
[SYSCALL_CHDIR] = (void*) sys_bad_syscall,
[SYSCALL_GETCWD] = (void*) sys_bad_syscall,
[SYSCALL_UNLINK] = (void*) sys_bad_syscall,
[SYSCALL_REGISTER_ERRNO] = (void*) sys_bad_syscall,
[SYSCALL_REGISTER_SIGNAL_HANDLER] = (void*) sys_bad_syscall,
[SYSCALL_SIGRETURN] = (void*) sys_bad_syscall,
[SYSCALL_KILL] = (void*) sys_kill,
[SYSCALL_MEMSTAT] = (void*) sys_memstat,
[SYSCALL_ISATTY] = (void*) sys_isatty,
[SYSCALL_UPTIME] = (void*) sys_bad_syscall,
[SYSCALL_SBRK] = (void*) sys_bad_syscall,
[SYSCALL_LSEEK] = (void*) sys_lseek,
[SYSCALL_GETPAGESIZE] = (void*) sys_getpagesize,
[SYSCALL_MKDIR] = (void*) sys_bad_syscall,
[SYSCALL_RMDIR] = (void*) sys_bad_syscall,
[SYSCALL_TRUNCATE] = (void*) sys_bad_syscall,
[SYSCALL_FTRUNCATE] = (void*) sys_ftruncate,
[SYSCALL_SETTERMMODE] = (void*) sys_settermmode,
[SYSCALL_GETTERMMODE] = (void*) sys_gettermmode,
[SYSCALL_STAT] = (void*) sys_bad_syscall,
[SYSCALL_FSTAT] = (void*) sys_fstat,
[SYSCALL_FCNTL] = (void*) sys_fcntl,
[SYSCALL_ACCESS] = (void*) sys_bad_syscall,
[SYSCALL_KERNELINFO] = (void*) sys_kernelinfo,
[SYSCALL_PREAD] = (void*) sys_pread,
[SYSCALL_PWRITE] = (void*) sys_pwrite,
[SYSCALL_TFORK] = (void*) sys_tfork,
[SYSCALL_TCGETWINSIZE] = (void*) sys_tcgetwinsize,
[SYSCALL_RAISE] = (void*) sys_raise,
[SYSCALL_OPENAT] = (void*) sys_openat,
[SYSCALL_DISPMSG_ISSUE] = (void*) sys_dispmsg_issue,
[SYSCALL_FSTATAT] = (void*) sys_fstatat,
[SYSCALL_CHMOD] = (void*) sys_bad_syscall,
[SYSCALL_CHOWN] = (void*) sys_bad_syscall,
[SYSCALL_LINK] = (void*) sys_bad_syscall,
[SYSCALL_DUP2] = (void*) sys_dup2,
[SYSCALL_UNLINKAT] = (void*) sys_unlinkat,
[SYSCALL_FACCESSAT] = (void*) sys_faccessat,
[SYSCALL_MKDIRAT] = (void*) sys_mkdirat,
[SYSCALL_FCHDIR] = (void*) sys_fchdir,
[SYSCALL_TRUNCATEAT] = (void*) sys_truncateat,
#if !defined(__i386__)
[SYSCALL_FCHOWNAT] = (void*) sys_fchownat,
#else
[SYSCALL_FCHOWNAT] = (void*) sys_fchownat_wrapper,
#endif
[SYSCALL_FCHOWN] = (void*) sys_fchown,
[SYSCALL_FCHMOD] = (void*) sys_fchmod,
[SYSCALL_FCHMODAT] = (void*) sys_fchmodat,
[SYSCALL_LINKAT] = (void*) sys_linkat,
[SYSCALL_FSM_FSBIND] = (void*) sys_fsm_fsbind,
[SYSCALL_PPOLL] = (void*) sys_ppoll,
[SYSCALL_RENAMEAT] = (void*) sys_renameat,
[SYSCALL_READLINKAT] = (void*) sys_readlinkat,
[SYSCALL_FSYNC] = (void*) sys_fsync,
[SYSCALL_GETUID] = (void*) sys_getuid,
[SYSCALL_GETGID] = (void*) sys_getgid,
[SYSCALL_SETUID] = (void*) sys_setuid,
[SYSCALL_SETGID] = (void*) sys_setgid,
[SYSCALL_GETEUID] = (void*) sys_geteuid,
[SYSCALL_GETEGID] = (void*) sys_getegid,
[SYSCALL_SETEUID] = (void*) sys_seteuid,
[SYSCALL_SETEGID] = (void*) sys_setegid,
[SYSCALL_IOCTL] = (void*) sys_ioctl,
[SYSCALL_UTIMENSAT] = (void*) sys_utimensat,
[SYSCALL_FUTIMENS] = (void*) sys_futimens,
[SYSCALL_RECV] = (void*) sys_recv,
[SYSCALL_SEND] = (void*) sys_send,
[SYSCALL_ACCEPT4] = (void*) sys_accept4,
[SYSCALL_BIND] = (void*) sys_bind,
[SYSCALL_CONNECT] = (void*) sys_connect,
[SYSCALL_LISTEN] = (void*) sys_listen,
[SYSCALL_READV] = (void*) sys_readv,
[SYSCALL_WRITEV] = (void*) sys_writev,
[SYSCALL_PREADV] = (void*) sys_preadv,
[SYSCALL_PWRITEV] = (void*) sys_pwritev,
[SYSCALL_TIMER_CREATE] = (void*) sys_timer_create,
[SYSCALL_TIMER_DELETE] = (void*) sys_timer_delete,
[SYSCALL_TIMER_GETOVERRUN] = (void*) sys_timer_getoverrun,
[SYSCALL_TIMER_GETTIME] = (void*) sys_timer_gettime,
[SYSCALL_TIMER_SETTIME] = (void*) sys_timer_settime,
[SYSCALL_ALARMNS] = (void*) sys_alarmns,
[SYSCALL_CLOCK_GETTIMERES] = (void*) sys_clock_gettimeres,
[SYSCALL_CLOCK_SETTIMERES] = (void*) sys_clock_settimeres,
[SYSCALL_CLOCK_NANOSLEEP] = (void*) sys_clock_nanosleep,
[SYSCALL_TIMENS] = (void*) sys_timens,
[SYSCALL_UMASK] = (void*) sys_umask,
[SYSCALL_FCHDIRAT] = (void*) sys_fchdirat,
[SYSCALL_FCHROOT] = (void*) sys_fchroot,
[SYSCALL_FCHROOTAT] = (void*) sys_fchrootat,
[SYSCALL_MKPARTITION] = (void*) sys_mkpartition,
[SYSCALL_GETPGID] = (void*) sys_getpgid,
[SYSCALL_SETPGID] = (void*) sys_setpgid,
[SYSCALL_TCGETPGRP] = (void*) sys_tcgetpgrp,
[SYSCALL_TCSETPGRP] = (void*) sys_tcsetpgrp,
[SYSCALL_MMAP_WRAPPER] = (void*) sys_mmap_wrapper,
[SYSCALL_MPROTECT] = (void*) sys_mprotect,
[SYSCALL_MUNMAP] = (void*) sys_munmap,
[SYSCALL_GETPRIORITY] = (void*) sys_getpriority,
[SYSCALL_SETPRIORITY] = (void*) sys_setpriority,
[SYSCALL_PRLIMIT] = (void*) sys_prlimit,
[SYSCALL_DUP3] = (void*) sys_dup3,
[SYSCALL_SYMLINKAT] = (void*) sys_symlinkat,
[SYSCALL_TCGETWINCURPOS] = (void*) sys_tcgetwincurpos,
[SYSCALL_PIPE2] = (void*) sys_pipe2,
[SYSCALL_GETUMASK] = (void*) sys_getumask,
[SYSCALL_FSTATVFS] = (void*) sys_fstatvfs,
[SYSCALL_FSTATVFSAT] = (void*) sys_fstatvfsat,
[SYSCALL_RDMSR] = (void*) sys_rdmsr,
[SYSCALL_WRMSR] = (void*) sys_wrmsr,
[SYSCALL_SCHED_YIELD] = (void*) sys_sched_yield,
[SYSCALL_EXIT_THREAD] = (void*) sys_exit_thread,
[SYSCALL_SIGACTION] = (void*) sys_sigaction,
[SYSCALL_SIGALTSTACK] = (void*) sys_sigaltstack,
[SYSCALL_SIGPENDING] = (void*) sys_sigpending,
[SYSCALL_SIGPROCMASK] = (void*) sys_sigprocmask,
[SYSCALL_SIGSUSPEND] = (void*) sys_sigsuspend,
[SYSCALL_SENDMSG] = (void*) sys_sendmsg,
[SYSCALL_RECVMSG] = (void*) sys_recvmsg,
[SYSCALL_GETSOCKOPT] = (void*) sys_getsockopt,
[SYSCALL_SETSOCKOPT] = (void*) sys_setsockopt,
[SYSCALL_TCGETBLOB] = (void*) sys_tcgetblob,
[SYSCALL_TCSETBLOB] = (void*) sys_tcsetblob,
[SYSCALL_GETPEERNAME] = (void*) sys_getpeername,
[SYSCALL_GETSOCKNAME] = (void*) sys_getsockname,
[SYSCALL_SHUTDOWN] = (void*) sys_shutdown,
[SYSCALL_GETENTROPY] = (void*) sys_getentropy,
[SYSCALL_GETHOSTNAME] = (void*) sys_gethostname,
[SYSCALL_SETHOSTNAME] = (void*) sys_sethostname,
[SYSCALL_UNMOUNTAT] = (void*) sys_unmountat,
[SYSCALL_FSM_MOUNTAT] = (void*) sys_fsm_mountat,
[SYSCALL_CLOSEFROM] = (void*) sys_closefrom,
[SYSCALL_MKPTY] = (void*) sys_mkpty,
[SYSCALL_PSCTL] = (void*) sys_psctl,
[SYSCALL_TCDRAIN] = (void*) sys_tcdrain,
[SYSCALL_TCFLOW] = (void*) sys_tcflow,
[SYSCALL_TCFLUSH] = (void*) sys_tcflush,
[SYSCALL_TCGETATTR] = (void*) sys_tcgetattr,
[SYSCALL_TCGETSID] = (void*) sys_tcgetsid,
[SYSCALL_TCSENDBREAK] = (void*) sys_tcsendbreak,
[SYSCALL_TCSETATTR] = (void*) sys_tcsetattr,
[SYSCALL_SCRAM] = (void*) sys_scram,
[SYSCALL_GETSID] = (void*) sys_getsid,
[SYSCALL_SETSID] = (void*) sys_setsid,
[SYSCALL_SOCKET] = (void*) sys_socket,
[SYSCALL_MAX_NUM] = (void*) sys_bad_syscall,
};
} /* extern "C" */
int sys_bad_syscall(void)
{
return errno = ENOSYS, -1;
}
} // namespace Sortix