[COMMIT osv master] syscalls: add 40 syscalls needed to run statically linked executables

[Commit Bot]

From: Waldemar Kozaczuk <jwkoz...@gmail.com>
Committer: Waldemar Kozaczuk <jwkoz...@gmail.com>
Branch: master

syscalls: add 40 syscalls needed to run statically linked executables

Signed-off-by: Waldemar Kozaczuk <jwkoz...@gmail.com>

---
diff --git a/linux.cc b/linux.cc
--- a/linux.cc
+++ b/linux.cc
@@ -40,7 +40,15 @@
#include <sys/unistd.h>
#include <sys/random.h>
#include <sys/vfs.h>
+#include <sys/uio.h>
+#include <sys/epoll.h>
+#include <sys/sysinfo.h>
+#include <sys/sendfile.h>
+#include <sys/prctl.h>
+#include <sys/timerfd.h>
+#include <sys/resource.h>
#include <termios.h>
+#include <poll.h>

#include <unordered_map>

@@ -606,6 +614,46 @@ OSV_LIBC_API long syscall(long number, ...)
SYSCALL4(mknodat, int, const char *, mode_t, dev_t);
SYSCALL5(statx, int, const char *, int, unsigned int, struct statx *);
SYSCALL3(sys_getcpu, unsigned int *, unsigned int *, void *);
+ SYSCALL1(dup, int);
+ SYSCALL2(dup2, unsigned int , unsigned int);
+ SYSCALL3(mprotect, void *, size_t, int);
+ SYSCALL2(access, const char *, int);
+ SYSCALL3(writev, int, const struct iovec *, int);
+ SYSCALL3(readlink, const char *, char *, size_t);
+ SYSCALL0(geteuid);
+ SYSCALL0(getegid);
+ SYSCALL2(gettimeofday, struct timeval *, struct timezone *);
+ SYSCALL3(poll, struct pollfd *, nfds_t, int);
+ SYSCALL0(getppid);
+ SYSCALL1(epoll_create, int);
+ SYSCALL1(sysinfo, struct sysinfo *);
+ SYSCALL1(time, time_t *);
+ SYSCALL4(sendfile, int, int, off_t *, size_t);
+ SYSCALL4(socketpair, int, int, int, int *);
+ SYSCALL2(shutdown, int, int);
+ SYSCALL1(unlink, const char *);
+ SYSCALL3(readv, unsigned long, const struct iovec *, unsigned long);
+ SYSCALL2(getrusage, int, struct rusage *);
+ SYSCALL3(accept, int, struct sockaddr *, socklen_t *);
+ SYSCALL1(fchdir, unsigned int);
+ SYSCALL1(pipe, int*);
+ SYSCALL2(fstatfs, unsigned int, struct statfs *);
+ SYSCALL1(umask, mode_t);
+ SYSCALL5(prctl, int, unsigned long, unsigned long, unsigned long, unsigned long);
+ SYSCALL1(chdir, const char *);
+ SYSCALL4(faccessat, int, const char *, int, int);
+ SYSCALL2(kill, pid_t, int);
+ SYSCALL1(alarm, unsigned int);
+ SYSCALL4(utimensat, int, const char *, const struct timespec*, int);
+ SYSCALL2(symlink, const char *, const char *);
+ SYSCALL1(rmdir, const char *);
+ SYSCALL2(sethostname, char *, int);
+ SYSCALL2(creat, const char *, mode_t);
+ SYSCALL2(timerfd_create, int, int);
+ SYSCALL4(timerfd_settime, int, int, const struct itimerspec *, struct itimerspec *);
+ SYSCALL2(timerfd_gettime, int, struct itimerspec*);
+ SYSCALL2(chmod, const char *, mode_t);
+ SYSCALL2(fchmod, int, mode_t);
}

debug_always("syscall(): unimplemented system call %d\n", number);