1# Implement symbols common to libc and libsys. 2# 3# When dynamically linked, the libc symbols are filtered by the actual 4# implementations in libsys. When statically linked, both libc and 5# libsys contain full implementations to preserve the API of libc.a. 6# 7# The following variable are programmer-defined: 8# 9# MDASM Override the default syscall implementation in MIASM 10# (from syscall.mk below). Each entry is a source file 11# name (e.g., vfork.S). 12# Generally defined in <arch>/Makefile.sys. 13# NOASM Don't generate system call stubs. Each entry is an 14# object file name (e.g., yeild.o). Don't add more of these. 15# PSEUDO Generate _<sys> and __sys_<sys> symbols, but not <sys>. 16# Each entry is a bare syscall name (e.g., "clock_gettime"). 17# INTERPOSED Like PSEUDO, but <sys>.c is added to SRCS. 18# Used for syscalls intercepted by the threading library. 19# 20.PATH: ${LIBSYS_SRCTOP}/${LIBC_ARCH} ${LIBSYS_SRCTOP} 21 22# Include the generated makefile containing the *complete* list 23# of syscall names in MIASM. 24.include "${SRCTOP}/sys/sys/syscall.mk" 25 26# Include machine dependent definitions. 27.include "${LIBSYS_SRCTOP}/${LIBC_ARCH}/Makefile.sys" 28.if ${LIBC_ARCH} == "i386" || ${LIBC_ARCH} == "amd64" 29.include "${LIBSYS_SRCTOP}/x86/Makefile.sys" 30.endif 31 32SRCS+= clock_gettime.c gettimeofday.c __vdso_gettimeofday.c 33 34# Sources common to both syscall interfaces: 35SRCS+= \ 36 __error.c \ 37 __getosreldate.c \ 38 getpagesize.c \ 39 getpagesizes.c \ 40 interposing_table.c \ 41 libsys_sigwait.c 42 43.if ${LIB} == "c" 44# Trapping stubs in dynamic libc to be filtered by libsys. 45SOBJS+= libc_stubs.pico 46 47# Link the full implementation of ELF auxargs for static libc. 48STATICOBJS+= auxv.o 49.endif 50 51NOASM= yield.o 52 53PSEUDO= \ 54 clock_gettime \ 55 exit \ 56 getlogin \ 57 gettimeofday \ 58 sched_getcpu 59 60INTERPOSED = \ 61 accept \ 62 accept4 \ 63 aio_suspend \ 64 clock_nanosleep \ 65 close \ 66 connect \ 67 fcntl \ 68 fdatasync \ 69 fsync \ 70 fork \ 71 kevent \ 72 msync \ 73 nanosleep \ 74 open \ 75 openat \ 76 pdfork \ 77 poll \ 78 ppoll \ 79 pselect \ 80 ptrace \ 81 read \ 82 readv \ 83 recvfrom \ 84 recvmsg \ 85 select \ 86 sendmsg \ 87 sendto \ 88 setcontext \ 89 sigaction \ 90 sigprocmask \ 91 sigsuspend \ 92 sigtimedwait \ 93 sigwait \ 94 sigwaitinfo \ 95 swapcontext \ 96 wait4 \ 97 wait6 \ 98 write \ 99 writev 100 101PSEUDO+= ${INTERPOSED} 102 103# Add machine dependent asm sources: 104SRCS+=${MDASM} 105 106# Look though the complete list of syscalls (MIASM) for names that are 107# not defined with machine dependent implementations (MDASM), not declared 108# without a trival <sys> symbol (PSEUDO). Add each syscall that satisfies 109# these conditions to the ASM list. 110.for _asm in ${MIASM} 111.if !${MDASM:R:M${_asm:R}} && !${NOASM:R:M${_asm:R}} && !${PSEUDO:M${_asm:R}} 112ASM+=$(_asm) 113.endif 114.endfor 115 116SASM= ${ASM:S/.o/.S/} 117 118SPSEUDO= ${PSEUDO:C/^.*$/_&.S/} 119 120SRCS+= ${SASM} ${SPSEUDO} 121 122SYM_MAPS+= ${LIBSYS_SRCTOP}/syscalls.map 123SYM_MAPS+= ${LIBSYS_SRCTOP}/Symbol.sys.map 124.if exists(${LIBSYS_SRCTOP}/${LIBC_ARCH}/Symbol.sys.map) 125SYM_MAPS+= ${LIBSYS_SRCTOP}/${LIBC_ARCH}/Symbol.sys.map 126.endif 127 128# Generated files 129CLEANFILES+= ${SASM} ${SPSEUDO} 130 131.if ${MACHINE_CPUARCH} == "amd64" || ${MACHINE_CPUARCH} == "i386" || \ 132 ${MACHINE_CPUARCH} == "powerpc" || ${MACHINE_CPUARCH} == "arm" 133NOTE_GNU_STACK='\t.section .note.GNU-stack,"",%%progbits\n' 134.else 135NOTE_GNU_STACK='' 136.endif 137.if ${MACHINE_CPUARCH} == "aarch64" 138FEATURE_NOTE='\#include <sys/elf_common.h>\nGNU_PROPERTY_AARCH64_FEATURE_1_NOTE(GNU_PROPERTY_AARCH64_FEATURE_1_VAL)\n' 139.else 140FEATURE_NOTE='' 141.endif 142 143${SASM}: 144 printf '/* %sgenerated by libc/sys/Makefile.inc */\n' @ > ${.TARGET} 145 printf '#include "compat.h"\n' >> ${.TARGET} 146 printf '#include "SYS.h"\nRSYSCALL(${.PREFIX})\n' >> ${.TARGET} 147 printf ${NOTE_GNU_STACK} >>${.TARGET} 148 printf ${FEATURE_NOTE} >> ${.TARGET} 149 150${SPSEUDO}: 151 printf '/* %sgenerated by libc/sys/Makefile.inc */\n' @ > ${.TARGET} 152 printf '#include "compat.h"\n' >> ${.TARGET} 153 printf '#include "SYS.h"\nPSEUDO(${.PREFIX:S/_//})\n' \ 154 >> ${.TARGET} 155 printf ${NOTE_GNU_STACK} >>${.TARGET} 156 printf ${FEATURE_NOTE} >> ${.TARGET} 157 158.if ${LIB} == "sys" 159MAN+= abort2.2 \ 160 accept.2 \ 161 access.2 \ 162 acct.2 \ 163 adjtime.2 \ 164 aio_cancel.2 \ 165 aio_error.2 \ 166 aio_fsync.2 \ 167 aio_mlock.2 \ 168 aio_read.2 \ 169 aio_return.2 \ 170 aio_suspend.2 \ 171 aio_waitcomplete.2 \ 172 aio_write.2 \ 173 auxv.3 \ 174 bind.2 \ 175 bindat.2 \ 176 brk.2 \ 177 cap_enter.2 \ 178 cap_fcntls_limit.2 \ 179 cap_ioctls_limit.2 \ 180 cap_rights_limit.2 \ 181 chdir.2 \ 182 chflags.2 \ 183 chmod.2 \ 184 chown.2 \ 185 chroot.2 \ 186 clock_gettime.2 \ 187 close.2 \ 188 closefrom.2 \ 189 connect.2 \ 190 connectat.2 \ 191 copy_file_range.2 \ 192 cpuset.2 \ 193 cpuset_getaffinity.2 \ 194 cpuset_getdomain.2 \ 195 creat.2 \ 196 dup.2 \ 197 eventfd.2 \ 198 execve.2 \ 199 _exit.2 \ 200 extattr_get_file.2 \ 201 fcntl.2 \ 202 ffclock.2 \ 203 fhlink.2 \ 204 fhopen.2 \ 205 fhreadlink.2 \ 206 flock.2 \ 207 fork.2 \ 208 fspacectl.2 \ 209 fsync.2 \ 210 getdirentries.2 \ 211 getdtablesize.2 \ 212 getfh.2 \ 213 getfsstat.2 \ 214 getgid.2 \ 215 getgroups.2 \ 216 getitimer.2 \ 217 getlogin.2 \ 218 getloginclass.2 \ 219 getpeername.2 \ 220 getpgrp.2 \ 221 getpid.2 \ 222 getpriority.2 \ 223 getrandom.2 \ 224 getrlimit.2 \ 225 getrusage.2 \ 226 getsid.2 \ 227 getsockname.2 \ 228 getsockopt.2 \ 229 gettimeofday.2 \ 230 getuid.2 \ 231 intro.2 \ 232 ioctl.2 \ 233 issetugid.2 \ 234 jail.2 \ 235 kcmp.2 \ 236 kenv.2 \ 237 kill.2 \ 238 kldfind.2 \ 239 kldfirstmod.2 \ 240 kldload.2 \ 241 kldnext.2 \ 242 kldstat.2 \ 243 kldsym.2 \ 244 kldunload.2 \ 245 kqueue.2 \ 246 ktrace.2 \ 247 link.2 \ 248 lio_listio.2 \ 249 listen.2 \ 250 lseek.2 \ 251 madvise.2 \ 252 mincore.2 \ 253 minherit.2 \ 254 mkdir.2 \ 255 mkfifo.2 \ 256 mknod.2 \ 257 mlock.2 \ 258 mlockall.2 \ 259 mmap.2 \ 260 modfind.2 \ 261 modnext.2 \ 262 modstat.2 \ 263 mount.2 \ 264 mprotect.2 \ 265 mq_close.2 \ 266 mq_getattr.2 \ 267 mq_notify.2 \ 268 mq_open.2 \ 269 mq_receive.2 \ 270 mq_send.2 \ 271 mq_setattr.2 \ 272 mq_unlink.2 \ 273 msgctl.2 \ 274 msgget.2 \ 275 msgrcv.2 \ 276 msgsnd.2 \ 277 msync.2 \ 278 munmap.2 \ 279 nanosleep.2 \ 280 nfssvc.2 \ 281 ntp_adjtime.2 \ 282 open.2 \ 283 pathconf.2 \ 284 pdfork.2 \ 285 pipe.2 \ 286 poll.2 \ 287 posix_fadvise.2 \ 288 posix_fallocate.2 \ 289 posix_openpt.2 \ 290 procctl.2 \ 291 profil.2 \ 292 pselect.2 \ 293 ptrace.2 \ 294 quotactl.2 \ 295 rctl_add_rule.2 \ 296 read.2 \ 297 readlink.2 \ 298 reboot.2 \ 299 recv.2 \ 300 rename.2 \ 301 revoke.2 \ 302 rfork.2 \ 303 rmdir.2 \ 304 rtprio.2 \ 305 sched_get_priority_max.2 \ 306 sched_setparam.2 \ 307 sched_setscheduler.2 \ 308 sched_yield.2 \ 309 sctp_generic_recvmsg.2 \ 310 sctp_generic_sendmsg.2 \ 311 sctp_peeloff.2 \ 312 select.2 \ 313 semctl.2 \ 314 semget.2 \ 315 semop.2 \ 316 send.2 \ 317 setfib.2 \ 318 sendfile.2 \ 319 setgroups.2 \ 320 setpgid.2 \ 321 setregid.2 \ 322 setresuid.2 \ 323 setreuid.2 \ 324 setsid.2 \ 325 setuid.2 \ 326 shmat.2 \ 327 shmctl.2 \ 328 shmget.2 \ 329 shm_open.2 \ 330 shutdown.2 \ 331 sigaction.2 \ 332 sigaltstack.2 \ 333 sigfastblock.2 \ 334 sigpending.2 \ 335 sigprocmask.2 \ 336 sigqueue.2 \ 337 sigreturn.2 \ 338 sigstack.2 \ 339 sigsuspend.2 \ 340 sigwait.2 \ 341 sigwaitinfo.2 \ 342 socket.2 \ 343 socketpair.2 \ 344 stat.2 \ 345 statfs.2 \ 346 swapon.2 \ 347 symlink.2 \ 348 sync.2 \ 349 sysarch.2 \ 350 syscall.2 \ 351 thr_exit.2 \ 352 thr_kill.2 \ 353 thr_new.2 \ 354 thr_self.2 \ 355 thr_set_name.2 \ 356 thr_suspend.2 \ 357 thr_wake.2 \ 358 timer_create.2 \ 359 timer_delete.2 \ 360 timer_settime.2 \ 361 timerfd.2 \ 362 truncate.2 \ 363 umask.2 \ 364 undelete.2 \ 365 unlink.2 \ 366 utimensat.2 \ 367 utimes.2 \ 368 utrace.2 \ 369 uuidgen.2 \ 370 vfork.2 \ 371 wait.2 \ 372 write.2 \ 373 _umtx_op.2 374 375MAN+= \ 376 getpagesize.3 \ 377 getpagesizes.3 \ 378 lockf.3 \ 379 rfork_thread.3 \ 380 sleep.3 \ 381 usleep.3 382 383MLINKS+=aio_read.2 aio_readv.2 \ 384 aio_read.2 aio_read2.2 385MLINKS+=aio_write.2 aio_writev.2 \ 386 aio_write.2 aio_write2.2 387MLINKS+=accept.2 accept4.2 388MLINKS+=access.2 eaccess.2 \ 389 access.2 faccessat.2 390MLINKS+=auxv.3 elf_aux_info.3 391MLINKS+=brk.2 sbrk.2 392MLINKS+=cap_enter.2 cap_getmode.2 393MLINKS+=cap_fcntls_limit.2 cap_fcntls_get.2 394MLINKS+=cap_ioctls_limit.2 cap_ioctls_get.2 395MLINKS+=chdir.2 fchdir.2 396MLINKS+=chflags.2 chflagsat.2 \ 397 chflags.2 fchflags.2 \ 398 chflags.2 lchflags.2 399MLINKS+=chmod.2 fchmod.2 \ 400 chmod.2 fchmodat.2 \ 401 chmod.2 lchmod.2 402MLINKS+=chown.2 fchown.2 \ 403 chown.2 fchownat.2 \ 404 chown.2 lchown.2 405MLINKS+=clock_gettime.2 clock_getres.2 \ 406 clock_gettime.2 clock_settime.2 407MLINKS+=closefrom.2 close_range.2 408MLINKS+=nanosleep.2 clock_nanosleep.2 409MLINKS+=cpuset.2 cpuset_getid.2 \ 410 cpuset.2 cpuset_setid.2 411MLINKS+=cpuset_getaffinity.2 cpuset_setaffinity.2 412MLINKS+=cpuset_getdomain.2 cpuset_setdomain.2 413MLINKS+=dup.2 dup2.2 414MLINKS+=eventfd.2 eventfd_read.3 \ 415 eventfd.2 eventfd_write.3 416MLINKS+=execve.2 fexecve.2 417MLINKS+=extattr_get_file.2 extattr.2 \ 418 extattr_get_file.2 extattr_delete_fd.2 \ 419 extattr_get_file.2 extattr_delete_file.2 \ 420 extattr_get_file.2 extattr_delete_link.2 \ 421 extattr_get_file.2 extattr_get_fd.2 \ 422 extattr_get_file.2 extattr_get_link.2 \ 423 extattr_get_file.2 extattr_list_fd.2 \ 424 extattr_get_file.2 extattr_list_file.2 \ 425 extattr_get_file.2 extattr_list_link.2 \ 426 extattr_get_file.2 extattr_set_fd.2 \ 427 extattr_get_file.2 extattr_set_file.2 \ 428 extattr_get_file.2 extattr_set_link.2 429MLINKS+=ffclock.2 ffclock_getcounter.2 \ 430 ffclock.2 ffclock_getestimate.2 \ 431 ffclock.2 ffclock_setestimate.2 432MLINKS+=fhlink.2 fhlinkat.2 433MLINKS+=fhopen.2 fhstat.2 fhopen.2 fhstatfs.2 434MLINKS+=fork.2 _Fork.2 435MLINKS+=fsync.2 fdatasync.2 436MLINKS+=getdirentries.2 getdents.2 437MLINKS+=getfh.2 lgetfh.2 \ 438 getfh.2 getfhat.2 439MLINKS+=getgid.2 getegid.2 440MLINKS+=getitimer.2 setitimer.2 441MLINKS+=getlogin.2 getlogin_r.3 442MLINKS+=getlogin.2 setlogin.2 443MLINKS+=getloginclass.2 setloginclass.2 444MLINKS+=getpgrp.2 getpgid.2 445MLINKS+=getpid.2 getppid.2 446MLINKS+=getpriority.2 setpriority.2 447MLINKS+=getrlimit.2 setrlimit.2 448MLINKS+=getsockopt.2 setsockopt.2 449MLINKS+=gettimeofday.2 settimeofday.2 450MLINKS+=getuid.2 geteuid.2 451MLINKS+=intro.2 errno.2 452MLINKS+=jail.2 jail_attach.2 \ 453 jail.2 jail_get.2 \ 454 jail.2 jail_remove.2 \ 455 jail.2 jail_set.2 456MLINKS+=kldunload.2 kldunloadf.2 457MLINKS+=kqueue.2 kevent.2 \ 458 kqueue.2 kqueuex.2 \ 459 kqueue.2 EV_SET.3 460MLINKS+=link.2 linkat.2 461MLINKS+=madvise.2 posix_madvise.2 462MLINKS+=mkdir.2 mkdirat.2 463MLINKS+=mkfifo.2 mkfifoat.2 464MLINKS+=mknod.2 mknodat.2 465MLINKS+=mlock.2 munlock.2 466MLINKS+=mlockall.2 munlockall.2 467MLINKS+=modnext.2 modfnext.2 468MLINKS+=mount.2 nmount.2 \ 469 mount.2 unmount.2 470MLINKS+=mq_receive.2 mq_timedreceive.2 471MLINKS+=mq_send.2 mq_timedsend.2 472MLINKS+=ntp_adjtime.2 ntp_gettime.2 473MLINKS+=open.2 openat.2 474MLINKS+=pathconf.2 fpathconf.2 475MLINKS+=pathconf.2 lpathconf.2 476MLINKS+=pdfork.2 pdgetpid.2\ 477 pdfork.2 pdkill.2 478MLINKS+=pipe.2 pipe2.2 479MLINKS+=poll.2 ppoll.2 480MLINKS+=rctl_add_rule.2 rctl_get_limits.2 \ 481 rctl_add_rule.2 rctl_get_racct.2 \ 482 rctl_add_rule.2 rctl_get_rules.2 \ 483 rctl_add_rule.2 rctl_remove_rule.2 484MLINKS+=read.2 pread.2 \ 485 read.2 preadv.2 \ 486 read.2 readv.2 487MLINKS+=readlink.2 readlinkat.2 488MLINKS+=recv.2 recvfrom.2 \ 489 recv.2 recvmsg.2 490MLINKS+=rename.2 renameat.2 491MLINKS+=rtprio.2 rtprio_thread.2 492MLINKS+=sched_get_priority_max.2 sched_get_priority_min.2 \ 493 sched_get_priority_max.2 sched_rr_get_interval.2 494MLINKS+=sched_setparam.2 sched_getparam.2 495MLINKS+=sched_setscheduler.2 sched_getscheduler.2 496MLINKS+=sctp_generic_sendmsg.2 sctp_generic_sendmsg_iov.2 497MLINKS+=select.2 FD_CLR.3 \ 498 select.2 FD_ISSET.3 \ 499 select.2 FD_SET.3 \ 500 select.2 FD_ZERO.3 501MLINKS+=send.2 sendmsg.2 \ 502 send.2 sendto.2 503MLINKS+=setpgid.2 setpgrp.2 504MLINKS+=setresuid.2 getresgid.2 \ 505 setresuid.2 getresuid.2 \ 506 setresuid.2 setresgid.2 507MLINKS+=setuid.2 setegid.2 \ 508 setuid.2 seteuid.2 \ 509 setuid.2 setgid.2 510MLINKS+=shmat.2 shmdt.2 511MLINKS+=shm_open.2 memfd_create.3 \ 512 shm_open.2 shm_create_largepage.3 \ 513 shm_open.2 shm_unlink.2 \ 514 shm_open.2 shm_rename.2 515MLINKS+=sigwaitinfo.2 sigtimedwait.2 516MLINKS+=stat.2 fstat.2 \ 517 stat.2 fstatat.2 \ 518 stat.2 lstat.2 519MLINKS+=statfs.2 fstatfs.2 520MLINKS+=swapon.2 swapoff.2 521MLINKS+=symlink.2 symlinkat.2 522MLINKS+=syscall.2 __syscall.2 523MLINKS+=timer_settime.2 timer_getoverrun.2 \ 524 timer_settime.2 timer_gettime.2 525MLINKS+=timerfd.2 timerfd_create.2 \ 526 timerfd.2 timerfd_gettime.2 \ 527 timerfd.2 timerfd_settime.2 528MLINKS+=thr_kill.2 thr_kill2.2 529MLINKS+=truncate.2 ftruncate.2 530MLINKS+=unlink.2 unlinkat.2 531MLINKS+=unlink.2 funlinkat.2 532MLINKS+=utimensat.2 futimens.2 533MLINKS+=utimes.2 futimes.2 \ 534 utimes.2 futimesat.2 \ 535 utimes.2 lutimes.2 536MLINKS+=wait.2 wait3.2 \ 537 wait.2 wait4.2 \ 538 wait.2 waitpid.2 \ 539 wait.2 waitid.2 \ 540 wait.2 wait6.2 541MLINKS+=write.2 pwrite.2 \ 542 write.2 pwritev.2 \ 543 write.2 writev.2 544.endif # ${LIB} == "sys" 545