232 lines
7.5 KiB
C++
232 lines
7.5 KiB
C++
/*
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* \brief Dummy implementations
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* \author Norman Feske
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* \date 2008-10-10
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*/
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/*
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* Copyright (C) 2008-2019 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU Affero General Public License version 3.
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*/
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#include <base/log.h>
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#include <stddef.h>
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#include <errno.h>
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extern "C" {
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#include <sys/file.h>
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#include <sys/mman.h>
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#include <sys/mount.h>
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#include <sys/resource.h>
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#include <sys/socket.h>
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#include <sys/stat.h>
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#include <sys/time.h>
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#include <sys/types.h>
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#include <sys/ucontext.h>
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#include <sys/wait.h>
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#include <db.h>
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#include <netdb.h>
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#include <unistd.h>
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#include <pthread.h>
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#include <pwd.h>
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#include <netinet/in.h>
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#include <resolv.h>
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#include <spinlock.h>
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#include <ucontext.h>
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#define DUMMY(ret_type, ret_val, name, args) __attribute__((weak)) \
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ret_type name args \
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{ \
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Genode::warning(__func__, ": " #name " not implemented"); \
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errno = ENOSYS; \
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return ret_val; \
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}
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#define DUMMY_SILENT(ret_type, ret_val, name, args) __attribute__((weak)) \
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ret_type name args \
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{ \
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errno = ENOSYS; \
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return ret_val; \
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}
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#define __SYS_DUMMY(ret_type, ret_val, name, args)\
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extern "C" __attribute__((weak)) \
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ret_type __sys_##name args \
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{ \
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Genode::warning(__func__, ": " #name " not implemented"); \
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errno = ENOSYS; \
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return ret_val; \
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} \
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extern "C" __attribute__((weak)) \
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ret_type __libc_##name args \
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{ \
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Genode::warning(__func__, ": " #name " not implemented"); \
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errno = ENOSYS; \
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return ret_val; \
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} \
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ret_type _##name args __attribute__((weak, alias("__sys_" #name))); \
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ret_type name args __attribute__((weak, alias("__sys_" #name))); \
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#define __SYS_DUMMY_SILENT(ret_type, ret_val, name, args)\
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extern "C" __attribute__((weak)) \
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ret_type __sys_##name args \
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{ \
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errno = ENOSYS; \
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return ret_val; \
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} \
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extern "C" __attribute__((weak)) \
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ret_type __libc_##name args \
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{ \
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errno = ENOSYS; \
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return ret_val; \
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} \
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ret_type _##name args __attribute__((weak, alias("__sys_" #name))); \
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ret_type name args __attribute__((weak, alias("__sys_" #name))); \
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DUMMY(int , -1, chroot, (const char *))
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DUMMY(char *, 0, crypt, (const char *, const char *))
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DUMMY(DB * , 0, dbopen, (const char *, int, int, DBTYPE, const void *))
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DUMMY(u_int32_t, 0, __default_hash, (const void *, size_t));
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DUMMY_SILENT(long , -1, _fpathconf, (int, int))
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DUMMY(long , -1, fpathconf, (int, int))
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DUMMY(int , -1, freebsd7___semctl, (void))
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DUMMY(int , -1, getcontext, (ucontext_t *))
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DUMMY_SILENT(gid_t , 0, getegid, (void))
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DUMMY_SILENT(uid_t , 0, geteuid, (void))
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DUMMY_SILENT(gid_t , 0, getgid, (void))
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DUMMY(int , -1, getgroups, (int, gid_t *))
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DUMMY(struct hostent *, 0, gethostbyname, (const char *))
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DUMMY(char *, 0, _getlogin, (void))
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DUMMY(int , -1, getnameinfo, (const sockaddr *, socklen_t, char *, size_t, char *, size_t, int))
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DUMMY(struct servent *, 0, getservbyname, (const char *, const char *))
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DUMMY(int , -1, getsid, (pid_t))
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DUMMY_SILENT(pid_t , -1, getppid, (void))
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DUMMY(pid_t , -1, getpgrp, (void))
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DUMMY(int , -1, getpriority, (int, int))
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DUMMY(int , -1, getrusage, (int, rusage *))
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DUMMY_SILENT(uid_t , 0, getuid, (void))
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DUMMY_SILENT(int , 1, isatty, (int))
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DUMMY(int , -1, link, (const char *, const char *))
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DUMMY(int , 0, minherit, (void *, size_t, int))
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DUMMY(int , -1, mknod, (const char *, mode_t, dev_t))
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DUMMY(int , -1, mprotect, (void *, size_t, int))
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DUMMY(void *, 0, ___mtctxres, (void))
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DUMMY(void *, 0, __nsdefaultsrc, (void))
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DUMMY(int , -1, _nsdispatch, (void))
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DUMMY(long , -1, pathconf, (const char *, int))
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DUMMY(int , -1, raise, (int))
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DUMMY(int , -1, rmdir, (const char *))
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DUMMY(void *, 0, sbrk, (intptr_t))
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DUMMY(int , -1, sched_setparam, (pid_t, const sched_param *))
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DUMMY(int , -1, sched_setscheduler, (pid_t, int, const sched_param *))
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DUMMY(int , -1, sched_yield, (void))
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DUMMY(int , -1, __semctl, (void))
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DUMMY_SILENT(sig_t, SIG_ERR, signal, (int, sig_t));
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DUMMY(int , -1, setegid, (uid_t))
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DUMMY(int , -1, seteuid, (uid_t))
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DUMMY(int , -1, setgid, (gid_t))
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DUMMY(int , -1, setuid, (uid_t))
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DUMMY(int , -1, setgroups, (int, const gid_t *))
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DUMMY(int , -1, setitimer, (int, const itimerval *, itimerval *))
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DUMMY(int , -1, setpgid, (pid_t, pid_t))
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DUMMY(int , -1, setpriority, (int, int, int))
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DUMMY(int , -1, setregid, (gid_t, gid_t))
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DUMMY(int , -1, setreuid, (uid_t, uid_t))
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DUMMY(int , -1, setrlimit, (int, const rlimit *))
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DUMMY(pid_t , -1, setsid, (void))
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DUMMY(int , -1, socketpair, (int, int, int, int *))
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DUMMY_SILENT(mode_t, 0, umask, (mode_t))
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DUMMY(int , 0, utimes, (const char *, const timeval *))
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DUMMY(int, -1, semget, (key_t, int, int))
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DUMMY(int, -1, semop, (key_t, int, int))
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__SYS_DUMMY(int, -1, aio_suspend, (const struct aiocb * const[], int, const struct timespec *));
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__SYS_DUMMY(int , -1, getfsstat, (struct statfs *, long, int))
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__SYS_DUMMY(int, -1, kevent, (int, const struct kevent*, int, struct kevent *, int, const struct timespec*));
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__SYS_DUMMY(void , , map_stacks_exec, (void));
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__SYS_DUMMY(int , -1, ptrace, (int, pid_t, caddr_t, int));
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__SYS_DUMMY(ssize_t, -1, sendmsg, (int s, const struct msghdr*, int));
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__SYS_DUMMY(int , -1, setcontext, (const ucontext_t *ucp));
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__SYS_DUMMY(void , , spinlock_stub, (spinlock_t *));
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__SYS_DUMMY(void , , spinlock, (spinlock_t *));
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__SYS_DUMMY(void , , spinunlock, (spinlock_t *));
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__SYS_DUMMY(void , , spinunlock_stub, (spinlock_t *));
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__SYS_DUMMY(int, -1, swapcontext, (ucontext_t *, const ucontext_t *));
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__SYS_DUMMY(int, -1, system, (const char *string));
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/*****************
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** File-system **
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*****************/
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DUMMY(int, 0, fchmod, (int, mode_t))
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DUMMY(int, -1, lockf, (int, int, off_t))
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DUMMY_SILENT(int, 0, posix_fadvise, (int, off_t, off_t, int))
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DUMMY(int, -1, chmod, (const char *, mode_t))
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DUMMY(int, -1, chown, (const char *, uid_t, gid_t))
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DUMMY(int, -1, fchown, (int, uid_t, gid_t))
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DUMMY(int, -1, flock, (int, int))
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DUMMY(int, -1, fstatat, (int, const char *, struct stat *, int))
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DUMMY(int, -1, mkfifo, (const char *, mode_t))
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DUMMY(int, -1, stat, (const char *, struct stat *))
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DUMMY(void, , sync, (void))
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__SYS_DUMMY(int, -11, utimensat, (int, const char *, const struct timespec[2], int));
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__SYS_DUMMY(int, -1, futimens, (int, const struct timespec[2]));
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__SYS_DUMMY(int, -1, statfs, (const char *, struct statfs *))
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__SYS_DUMMY(int, -1, truncate, (const char *, off_t))
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/***********
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* Signals *
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***********/
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#include <signal.h>
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#include <sys/thr.h>
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DUMMY(int, -1, sigblock, (int))
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DUMMY(int, -1, thr_kill2, (pid_t pid, long id, int sig));
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__SYS_DUMMY(int, -1, sigsuspend, (const sigset_t *))
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__SYS_DUMMY(int, -1, sigtimedwait, (const sigset_t *, siginfo_t *, const struct timespec *));
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__SYS_DUMMY(int, -1, sigwaitinfo, (const sigset_t *, siginfo_t *));
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__SYS_DUMMY(int, -1, sigwait, (const sigset_t *, int *));
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__SYS_DUMMY(int, -1, thr_kill, (long id, int sig));
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void ksem_init(void)
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{
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Genode::warning(__func__, " called, not yet implemented!");
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while (1);
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}
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int __attribute__((weak)) madvise(void *addr, size_t length, int advice)
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{
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if (advice == MADV_DONTNEED)
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/* ignore hint */
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return 0;
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Genode::warning(__func__, " called, not implemented - ", addr, "+",
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Genode::Hex(length), " advice=", advice);
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errno = ENOSYS;
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return -1;
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}
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const struct res_sym __p_type_syms[] = { };
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#define DUMMY_EPERM(ret_type, ret_val, name, args) __attribute__((weak)) \
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ret_type name args { errno = EPERM; return ret_val; }
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DUMMY_EPERM(int, -1, mlock, (const void *, size_t));
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DUMMY_EPERM(int, -1, munlock, (const void *, size_t));
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} /* extern "C" */
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