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 43SRCS+= getdents.c lstat.c mknod.c stat.c 44 45SRCS+= creat.c 46SRCS+= lockf.c wait.c wait3.c waitpid.c waitid.c 47SRCS+= recv.c recvmmsg.c send.c sendmmsg.c 48 49SRCS+= brk.c 50SRCS+= closefrom.c 51SRCS+= pipe.c 52SRCS+= shm_open.c 53SRCS+= vadvise.c 54SRCS+= POSIX2x_Fork.c 55 56SRCS+= compat-stub.c 57 58.if ${LIB} == "c" 59# Trapping stubs in dynamic libc to be filtered by libsys. 60SOBJS+= libc_stubs.pico 61 62# Link the full implementation of ELF auxargs for static libc. 63STATICOBJS+= auxv.o 64.endif 65 66NOASM= yield.o 67 68PSEUDO= \ 69 clock_gettime \ 70 exit \ 71 getlogin \ 72 gettimeofday \ 73 sched_getcpu 74 75INTERPOSED = \ 76 accept \ 77 accept4 \ 78 aio_suspend \ 79 clock_nanosleep \ 80 close \ 81 connect \ 82 fcntl \ 83 fdatasync \ 84 fsync \ 85 fork \ 86 kevent \ 87 msync \ 88 nanosleep \ 89 open \ 90 openat \ 91 pdfork \ 92 poll \ 93 ppoll \ 94 pselect \ 95 ptrace \ 96 read \ 97 readv \ 98 recvfrom \ 99 recvmsg \ 100 select \ 101 sendmsg \ 102 sendto \ 103 setcontext \ 104 sigaction \ 105 sigprocmask \ 106 sigsuspend \ 107 sigtimedwait \ 108 sigwait \ 109 sigwaitinfo \ 110 swapcontext \ 111 wait4 \ 112 wait6 \ 113 write \ 114 writev 115 116SRCS+= ${INTERPOSED:S/$/.c/} 117PSEUDO+= ${INTERPOSED} 118 119# Add machine dependent asm sources: 120SRCS+=${MDASM} 121 122# Look though the complete list of syscalls (MIASM) for names that are 123# not defined with machine dependent implementations (MDASM), not declared 124# without a trival <sys> symbol (PSEUDO). Add each syscall that satisfies 125# these conditions to the ASM list. 126.for _asm in ${MIASM} 127.if !${MDASM:R:M${_asm:R}} && !${NOASM:R:M${_asm:R}} && !${PSEUDO:M${_asm:R}} 128ASM+=$(_asm) 129.endif 130.endfor 131 132SASM= ${ASM:S/.o/.S/} 133 134SPSEUDO= ${PSEUDO:C/^.*$/_&.S/} 135 136SRCS+= ${SASM} ${SPSEUDO} 137 138SYM_MAPS+= ${LIBSYS_SRCTOP}/syscalls.map 139SYM_MAPS+= ${LIBSYS_SRCTOP}/Symbol.sys.map 140.if exists(${LIBSYS_SRCTOP}/${LIBC_ARCH}/Symbol.sys.map) 141SYM_MAPS+= ${LIBSYS_SRCTOP}/${LIBC_ARCH}/Symbol.sys.map 142.endif 143 144# Generated files 145CLEANFILES+= ${SASM} ${SPSEUDO} 146 147.if ${MACHINE_CPUARCH} == "amd64" || ${MACHINE_CPUARCH} == "i386" || \ 148 ${MACHINE_CPUARCH} == "powerpc" || ${MACHINE_CPUARCH} == "arm" 149NOTE_GNU_STACK='\t.section .note.GNU-stack,"",%%progbits\n' 150.else 151NOTE_GNU_STACK='' 152.endif 153.if ${MACHINE_CPUARCH} == "aarch64" 154FEATURE_NOTE='\#include <sys/elf_common.h>\nGNU_PROPERTY_AARCH64_FEATURE_1_NOTE(GNU_PROPERTY_AARCH64_FEATURE_1_VAL)\n' 155.else 156FEATURE_NOTE='' 157.endif 158 159${SASM}: 160 printf '/* %sgenerated by libc/sys/Makefile.inc */\n' @ > ${.TARGET} 161 printf '#include "compat.h"\n' >> ${.TARGET} 162 printf '#include "SYS.h"\nRSYSCALL(${.PREFIX})\n' >> ${.TARGET} 163 printf ${NOTE_GNU_STACK} >>${.TARGET} 164 printf ${FEATURE_NOTE} >> ${.TARGET} 165 166${SPSEUDO}: 167 printf '/* %sgenerated by libc/sys/Makefile.inc */\n' @ > ${.TARGET} 168 printf '#include "compat.h"\n' >> ${.TARGET} 169 printf '#include "SYS.h"\nPSEUDO(${.PREFIX:S/_//})\n' \ 170 >> ${.TARGET} 171 printf ${NOTE_GNU_STACK} >>${.TARGET} 172 printf ${FEATURE_NOTE} >> ${.TARGET} 173 174.if ${LIB} == "sys" 175MAN+= abort2.2 \ 176 accept.2 \ 177 access.2 \ 178 acct.2 \ 179 adjtime.2 \ 180 aio_cancel.2 \ 181 aio_error.2 \ 182 aio_fsync.2 \ 183 aio_mlock.2 \ 184 aio_read.2 \ 185 aio_return.2 \ 186 aio_suspend.2 \ 187 aio_waitcomplete.2 \ 188 aio_write.2 \ 189 auxv.3 \ 190 bind.2 \ 191 bindat.2 \ 192 brk.2 \ 193 cap_enter.2 \ 194 cap_fcntls_limit.2 \ 195 cap_ioctls_limit.2 \ 196 cap_rights_limit.2 \ 197 chdir.2 \ 198 chflags.2 \ 199 chmod.2 \ 200 chown.2 \ 201 chroot.2 \ 202 clock_gettime.2 \ 203 close.2 \ 204 closefrom.2 \ 205 connect.2 \ 206 connectat.2 \ 207 copy_file_range.2 \ 208 cpuset.2 \ 209 cpuset_getaffinity.2 \ 210 cpuset_getdomain.2 \ 211 creat.2 \ 212 dup.2 \ 213 eventfd.2 \ 214 execve.2 \ 215 _exit.2 \ 216 extattr_get_file.2 \ 217 fcntl.2 \ 218 ffclock.2 \ 219 fhlink.2 \ 220 fhopen.2 \ 221 fhreadlink.2 \ 222 flock.2 \ 223 fork.2 \ 224 fspacectl.2 \ 225 fsync.2 \ 226 getdirentries.2 \ 227 getdtablesize.2 \ 228 getfh.2 \ 229 getfsstat.2 \ 230 getgid.2 \ 231 getgroups.2 \ 232 getitimer.2 \ 233 getlogin.2 \ 234 getloginclass.2 \ 235 getpeername.2 \ 236 getpgrp.2 \ 237 getpid.2 \ 238 getpriority.2 \ 239 getrandom.2 \ 240 getrlimit.2 \ 241 getrusage.2 \ 242 getsid.2 \ 243 getsockname.2 \ 244 getsockopt.2 \ 245 gettimeofday.2 \ 246 getuid.2 \ 247 intro.2 \ 248 ioctl.2 \ 249 issetugid.2 \ 250 jail.2 \ 251 kcmp.2 \ 252 kenv.2 \ 253 kill.2 \ 254 kldfind.2 \ 255 kldfirstmod.2 \ 256 kldload.2 \ 257 kldnext.2 \ 258 kldstat.2 \ 259 kldsym.2 \ 260 kldunload.2 \ 261 kqueue.2 \ 262 ktrace.2 \ 263 link.2 \ 264 lio_listio.2 \ 265 listen.2 \ 266 lseek.2 \ 267 madvise.2 \ 268 mincore.2 \ 269 minherit.2 \ 270 mkdir.2 \ 271 mkfifo.2 \ 272 mknod.2 \ 273 mlock.2 \ 274 mlockall.2 \ 275 mmap.2 \ 276 modfind.2 \ 277 modnext.2 \ 278 modstat.2 \ 279 mount.2 \ 280 mprotect.2 \ 281 mq_close.2 \ 282 mq_getattr.2 \ 283 mq_notify.2 \ 284 mq_open.2 \ 285 mq_receive.2 \ 286 mq_send.2 \ 287 mq_setattr.2 \ 288 mq_unlink.2 \ 289 msgctl.2 \ 290 msgget.2 \ 291 msgrcv.2 \ 292 msgsnd.2 \ 293 msync.2 \ 294 munmap.2 \ 295 nanosleep.2 \ 296 nfssvc.2 \ 297 ntp_adjtime.2 \ 298 open.2 \ 299 pathconf.2 \ 300 pdfork.2 \ 301 pipe.2 \ 302 poll.2 \ 303 posix_fadvise.2 \ 304 posix_fallocate.2 \ 305 posix_openpt.2 \ 306 procctl.2 \ 307 profil.2 \ 308 pselect.2 \ 309 ptrace.2 \ 310 quotactl.2 \ 311 rctl_add_rule.2 \ 312 read.2 \ 313 readlink.2 \ 314 reboot.2 \ 315 recv.2 \ 316 rename.2 \ 317 revoke.2 \ 318 rfork.2 \ 319 rmdir.2 \ 320 rtprio.2 \ 321 sched_get_priority_max.2 \ 322 sched_setparam.2 \ 323 sched_setscheduler.2 \ 324 sched_yield.2 \ 325 sctp_generic_recvmsg.2 \ 326 sctp_generic_sendmsg.2 \ 327 sctp_peeloff.2 \ 328 select.2 \ 329 semctl.2 \ 330 semget.2 \ 331 semop.2 \ 332 send.2 \ 333 setfib.2 \ 334 sendfile.2 \ 335 setgroups.2 \ 336 setpgid.2 \ 337 setregid.2 \ 338 setresuid.2 \ 339 setreuid.2 \ 340 setsid.2 \ 341 setuid.2 \ 342 shmat.2 \ 343 shmctl.2 \ 344 shmget.2 \ 345 shm_open.2 \ 346 shutdown.2 \ 347 sigaction.2 \ 348 sigaltstack.2 \ 349 sigfastblock.2 \ 350 sigpending.2 \ 351 sigprocmask.2 \ 352 sigqueue.2 \ 353 sigreturn.2 \ 354 sigstack.2 \ 355 sigsuspend.2 \ 356 sigwait.2 \ 357 sigwaitinfo.2 \ 358 socket.2 \ 359 socketpair.2 \ 360 stat.2 \ 361 statfs.2 \ 362 swapon.2 \ 363 symlink.2 \ 364 sync.2 \ 365 sysarch.2 \ 366 syscall.2 \ 367 thr_exit.2 \ 368 thr_kill.2 \ 369 thr_new.2 \ 370 thr_self.2 \ 371 thr_set_name.2 \ 372 thr_suspend.2 \ 373 thr_wake.2 \ 374 timer_create.2 \ 375 timer_delete.2 \ 376 timer_settime.2 \ 377 timerfd.2 \ 378 truncate.2 \ 379 umask.2 \ 380 undelete.2 \ 381 unlink.2 \ 382 utimensat.2 \ 383 utimes.2 \ 384 utrace.2 \ 385 uuidgen.2 \ 386 vfork.2 \ 387 wait.2 \ 388 write.2 \ 389 _umtx_op.2 390 391MAN+= \ 392 getpagesize.3 \ 393 getpagesizes.3 \ 394 lockf.3 \ 395 rfork_thread.3 \ 396 sleep.3 \ 397 usleep.3 398 399MLINKS+=aio_read.2 aio_readv.2 \ 400 aio_read.2 aio_read2.2 401MLINKS+=aio_write.2 aio_writev.2 \ 402 aio_write.2 aio_write2.2 403MLINKS+=accept.2 accept4.2 404MLINKS+=access.2 eaccess.2 \ 405 access.2 faccessat.2 406MLINKS+=auxv.3 elf_aux_info.3 407MLINKS+=brk.2 sbrk.2 408MLINKS+=cap_enter.2 cap_getmode.2 409MLINKS+=cap_fcntls_limit.2 cap_fcntls_get.2 410MLINKS+=cap_ioctls_limit.2 cap_ioctls_get.2 411MLINKS+=chdir.2 fchdir.2 412MLINKS+=chflags.2 chflagsat.2 \ 413 chflags.2 fchflags.2 \ 414 chflags.2 lchflags.2 415MLINKS+=chmod.2 fchmod.2 \ 416 chmod.2 fchmodat.2 \ 417 chmod.2 lchmod.2 418MLINKS+=chown.2 fchown.2 \ 419 chown.2 fchownat.2 \ 420 chown.2 lchown.2 421MLINKS+=clock_gettime.2 clock_getres.2 \ 422 clock_gettime.2 clock_settime.2 423MLINKS+=closefrom.2 close_range.2 424MLINKS+=nanosleep.2 clock_nanosleep.2 425MLINKS+=cpuset.2 cpuset_getid.2 \ 426 cpuset.2 cpuset_setid.2 427MLINKS+=cpuset_getaffinity.2 cpuset_setaffinity.2 428MLINKS+=cpuset_getdomain.2 cpuset_setdomain.2 429MLINKS+=dup.2 dup2.2 430MLINKS+=eventfd.2 eventfd_read.3 \ 431 eventfd.2 eventfd_write.3 432MLINKS+=execve.2 fexecve.2 433MLINKS+=extattr_get_file.2 extattr.2 \ 434 extattr_get_file.2 extattr_delete_fd.2 \ 435 extattr_get_file.2 extattr_delete_file.2 \ 436 extattr_get_file.2 extattr_delete_link.2 \ 437 extattr_get_file.2 extattr_get_fd.2 \ 438 extattr_get_file.2 extattr_get_link.2 \ 439 extattr_get_file.2 extattr_list_fd.2 \ 440 extattr_get_file.2 extattr_list_file.2 \ 441 extattr_get_file.2 extattr_list_link.2 \ 442 extattr_get_file.2 extattr_set_fd.2 \ 443 extattr_get_file.2 extattr_set_file.2 \ 444 extattr_get_file.2 extattr_set_link.2 445MLINKS+=ffclock.2 ffclock_getcounter.2 \ 446 ffclock.2 ffclock_getestimate.2 \ 447 ffclock.2 ffclock_setestimate.2 448MLINKS+=fhlink.2 fhlinkat.2 449MLINKS+=fhopen.2 fhstat.2 fhopen.2 fhstatfs.2 450MLINKS+=fork.2 _Fork.2 451MLINKS+=fsync.2 fdatasync.2 452MLINKS+=getdirentries.2 getdents.2 453MLINKS+=getfh.2 lgetfh.2 \ 454 getfh.2 getfhat.2 455MLINKS+=getgid.2 getegid.2 456MLINKS+=getitimer.2 setitimer.2 457MLINKS+=getlogin.2 getlogin_r.3 458MLINKS+=getlogin.2 setlogin.2 459MLINKS+=getloginclass.2 setloginclass.2 460MLINKS+=getpgrp.2 getpgid.2 461MLINKS+=getpid.2 getppid.2 462MLINKS+=getpriority.2 setpriority.2 463MLINKS+=getrlimit.2 setrlimit.2 464MLINKS+=getsockopt.2 setsockopt.2 465MLINKS+=gettimeofday.2 settimeofday.2 466MLINKS+=getuid.2 geteuid.2 467MLINKS+=intro.2 errno.2 468MLINKS+=jail.2 jail_attach.2 \ 469 jail.2 jail_get.2 \ 470 jail.2 jail_remove.2 \ 471 jail.2 jail_set.2 472MLINKS+=kldunload.2 kldunloadf.2 473MLINKS+=kqueue.2 kevent.2 \ 474 kqueue.2 kqueuex.2 \ 475 kqueue.2 EV_SET.3 476MLINKS+=link.2 linkat.2 477MLINKS+=madvise.2 posix_madvise.2 478MLINKS+=mkdir.2 mkdirat.2 479MLINKS+=mkfifo.2 mkfifoat.2 480MLINKS+=mknod.2 mknodat.2 481MLINKS+=mlock.2 munlock.2 482MLINKS+=mlockall.2 munlockall.2 483MLINKS+=modnext.2 modfnext.2 484MLINKS+=mount.2 nmount.2 \ 485 mount.2 unmount.2 486MLINKS+=mq_receive.2 mq_timedreceive.2 487MLINKS+=mq_send.2 mq_timedsend.2 488MLINKS+=ntp_adjtime.2 ntp_gettime.2 489MLINKS+=open.2 openat.2 490MLINKS+=pathconf.2 fpathconf.2 491MLINKS+=pathconf.2 lpathconf.2 492MLINKS+=pdfork.2 pdgetpid.2\ 493 pdfork.2 pdkill.2 494MLINKS+=pipe.2 pipe2.2 495MLINKS+=poll.2 ppoll.2 496MLINKS+=rctl_add_rule.2 rctl_get_limits.2 \ 497 rctl_add_rule.2 rctl_get_racct.2 \ 498 rctl_add_rule.2 rctl_get_rules.2 \ 499 rctl_add_rule.2 rctl_remove_rule.2 500MLINKS+=read.2 pread.2 \ 501 read.2 preadv.2 \ 502 read.2 readv.2 503MLINKS+=readlink.2 readlinkat.2 504MLINKS+=recv.2 recvfrom.2 \ 505 recv.2 recvmsg.2 506MLINKS+=rename.2 renameat.2 507MLINKS+=rtprio.2 rtprio_thread.2 508MLINKS+=sched_get_priority_max.2 sched_get_priority_min.2 \ 509 sched_get_priority_max.2 sched_rr_get_interval.2 510MLINKS+=sched_setparam.2 sched_getparam.2 511MLINKS+=sched_setscheduler.2 sched_getscheduler.2 512MLINKS+=sctp_generic_sendmsg.2 sctp_generic_sendmsg_iov.2 513MLINKS+=select.2 FD_CLR.3 \ 514 select.2 FD_ISSET.3 \ 515 select.2 FD_SET.3 \ 516 select.2 FD_ZERO.3 517MLINKS+=send.2 sendmsg.2 \ 518 send.2 sendto.2 519MLINKS+=setpgid.2 setpgrp.2 520MLINKS+=setresuid.2 getresgid.2 \ 521 setresuid.2 getresuid.2 \ 522 setresuid.2 setresgid.2 523MLINKS+=setuid.2 setegid.2 \ 524 setuid.2 seteuid.2 \ 525 setuid.2 setgid.2 526MLINKS+=shmat.2 shmdt.2 527MLINKS+=shm_open.2 memfd_create.3 \ 528 shm_open.2 shm_create_largepage.3 \ 529 shm_open.2 shm_unlink.2 \ 530 shm_open.2 shm_rename.2 531MLINKS+=sigwaitinfo.2 sigtimedwait.2 532MLINKS+=stat.2 fstat.2 \ 533 stat.2 fstatat.2 \ 534 stat.2 lstat.2 535MLINKS+=statfs.2 fstatfs.2 536MLINKS+=swapon.2 swapoff.2 537MLINKS+=symlink.2 symlinkat.2 538MLINKS+=syscall.2 __syscall.2 539MLINKS+=timer_settime.2 timer_getoverrun.2 \ 540 timer_settime.2 timer_gettime.2 541MLINKS+=timerfd.2 timerfd_create.2 \ 542 timerfd.2 timerfd_gettime.2 \ 543 timerfd.2 timerfd_settime.2 544MLINKS+=thr_kill.2 thr_kill2.2 545MLINKS+=truncate.2 ftruncate.2 546MLINKS+=unlink.2 unlinkat.2 547MLINKS+=unlink.2 funlinkat.2 548MLINKS+=utimensat.2 futimens.2 549MLINKS+=utimes.2 futimes.2 \ 550 utimes.2 futimesat.2 \ 551 utimes.2 lutimes.2 552MLINKS+=wait.2 wait3.2 \ 553 wait.2 wait4.2 \ 554 wait.2 waitpid.2 \ 555 wait.2 waitid.2 \ 556 wait.2 wait6.2 557MLINKS+=write.2 pwrite.2 \ 558 write.2 pwritev.2 \ 559 write.2 writev.2 560.endif # ${LIB} == "sys" 561