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 libsys_sigwait.c 41 42.if ${LIB} == "c" 43# Trapping stubs in dynamic libc to be filtered by libsys. 44SOBJS+= libc_stubs.pico 45 46# Link the full implementation of ELF auxargs for static libc. 47STATICOBJS+= auxv.o 48 49STATICOBJS+= interposing_table.o 50.endif 51 52NOASM= yield.o 53 54PSEUDO= \ 55 clock_gettime \ 56 exit \ 57 getlogin \ 58 gettimeofday \ 59 sched_getcpu 60 61INTERPOSED = \ 62 accept \ 63 accept4 \ 64 aio_suspend \ 65 clock_nanosleep \ 66 close \ 67 connect \ 68 fcntl \ 69 fdatasync \ 70 fsync \ 71 fork \ 72 kevent \ 73 msync \ 74 nanosleep \ 75 open \ 76 openat \ 77 pdfork \ 78 poll \ 79 ppoll \ 80 pselect \ 81 ptrace \ 82 read \ 83 readv \ 84 recvfrom \ 85 recvmsg \ 86 select \ 87 sendmsg \ 88 sendto \ 89 setcontext \ 90 sigaction \ 91 sigprocmask \ 92 sigsuspend \ 93 sigtimedwait \ 94 sigwait \ 95 sigwaitinfo \ 96 swapcontext \ 97 wait4 \ 98 wait6 \ 99 write \ 100 writev 101 102PSEUDO+= ${INTERPOSED} 103 104# Add machine dependent asm sources: 105SRCS+=${MDASM} 106 107# Look though the complete list of syscalls (MIASM) for names that are 108# not defined with machine dependent implementations (MDASM), not declared 109# without a trival <sys> symbol (PSEUDO). Add each syscall that satisfies 110# these conditions to the ASM list. 111.for _asm in ${MIASM} 112.if !${MDASM:R:M${_asm:R}} && !${NOASM:R:M${_asm:R}} && !${PSEUDO:M${_asm:R}} 113ASM+=$(_asm) 114.endif 115.endfor 116 117SASM= ${ASM:S/.o/.S/} 118 119SPSEUDO= ${PSEUDO:C/^.*$/_&.S/} 120 121SRCS+= ${SASM} ${SPSEUDO} 122 123SYM_MAPS+= ${LIBSYS_SRCTOP}/syscalls.map 124SYM_MAPS+= ${LIBSYS_SRCTOP}/Symbol.sys.map 125.if exists(${LIBSYS_SRCTOP}/${LIBC_ARCH}/Symbol.sys.map) 126SYM_MAPS+= ${LIBSYS_SRCTOP}/${LIBC_ARCH}/Symbol.sys.map 127.endif 128 129# Generated files 130CLEANFILES+= ${SASM} ${SPSEUDO} 131 132.if ${MACHINE_CPUARCH} == "amd64" || ${MACHINE_CPUARCH} == "i386" || \ 133 ${MACHINE_CPUARCH} == "powerpc" || ${MACHINE_CPUARCH} == "arm" 134NOTE_GNU_STACK='\t.section .note.GNU-stack,"",%%progbits\n' 135.else 136NOTE_GNU_STACK='' 137.endif 138.if ${MACHINE_CPUARCH} == "aarch64" 139FEATURE_NOTE='\#include <sys/elf_common.h>\nGNU_PROPERTY_AARCH64_FEATURE_1_NOTE(GNU_PROPERTY_AARCH64_FEATURE_1_VAL)\n' 140.else 141FEATURE_NOTE='' 142.endif 143 144${SASM}: 145 printf '/* %sgenerated by libc/sys/Makefile.inc */\n' @ > ${.TARGET} 146 printf '#include "compat.h"\n' >> ${.TARGET} 147 printf '#include "SYS.h"\nRSYSCALL(${.PREFIX})\n' >> ${.TARGET} 148 printf ${NOTE_GNU_STACK} >>${.TARGET} 149 printf ${FEATURE_NOTE} >> ${.TARGET} 150 151${SPSEUDO}: 152 printf '/* %sgenerated by libc/sys/Makefile.inc */\n' @ > ${.TARGET} 153 printf '#include "compat.h"\n' >> ${.TARGET} 154 printf '#include "SYS.h"\nPSEUDO(${.PREFIX:S/_//})\n' \ 155 >> ${.TARGET} 156 printf ${NOTE_GNU_STACK} >>${.TARGET} 157 printf ${FEATURE_NOTE} >> ${.TARGET} 158 159.if ${LIB} == "sys" 160MAN+= abort2.2 \ 161 accept.2 \ 162 access.2 \ 163 acct.2 \ 164 adjtime.2 \ 165 aio_cancel.2 \ 166 aio_error.2 \ 167 aio_fsync.2 \ 168 aio_mlock.2 \ 169 aio_read.2 \ 170 aio_return.2 \ 171 aio_suspend.2 \ 172 aio_waitcomplete.2 \ 173 aio_write.2 \ 174 auxv.3 \ 175 bind.2 \ 176 bindat.2 \ 177 brk.2 \ 178 cap_enter.2 \ 179 cap_fcntls_limit.2 \ 180 cap_ioctls_limit.2 \ 181 cap_rights_limit.2 \ 182 chdir.2 \ 183 chflags.2 \ 184 chmod.2 \ 185 chown.2 \ 186 chroot.2 \ 187 clock_gettime.2 \ 188 close.2 \ 189 closefrom.2 \ 190 connect.2 \ 191 connectat.2 \ 192 copy_file_range.2 \ 193 cpuset.2 \ 194 cpuset_getaffinity.2 \ 195 cpuset_getdomain.2 \ 196 creat.2 \ 197 dup.2 \ 198 eventfd.2 \ 199 execve.2 \ 200 _exit.2 \ 201 extattr_get_file.2 \ 202 fcntl.2 \ 203 ffclock.2 \ 204 fhlink.2 \ 205 fhopen.2 \ 206 fhreadlink.2 \ 207 flock.2 \ 208 fork.2 \ 209 fspacectl.2 \ 210 fsync.2 \ 211 getdirentries.2 \ 212 getdtablesize.2 \ 213 getfh.2 \ 214 getfsstat.2 \ 215 getgid.2 \ 216 getgroups.2 \ 217 getitimer.2 \ 218 getlogin.2 \ 219 getloginclass.2 \ 220 getpeername.2 \ 221 getpgrp.2 \ 222 getpid.2 \ 223 getpriority.2 \ 224 getrandom.2 \ 225 getrlimit.2 \ 226 getrusage.2 \ 227 getsid.2 \ 228 getsockname.2 \ 229 getsockopt.2 \ 230 gettimeofday.2 \ 231 getuid.2 \ 232 intro.2 \ 233 ioctl.2 \ 234 issetugid.2 \ 235 jail.2 \ 236 kcmp.2 \ 237 kenv.2 \ 238 kill.2 \ 239 kldfind.2 \ 240 kldfirstmod.2 \ 241 kldload.2 \ 242 kldnext.2 \ 243 kldstat.2 \ 244 kldsym.2 \ 245 kldunload.2 \ 246 kqueue.2 \ 247 ktrace.2 \ 248 link.2 \ 249 lio_listio.2 \ 250 listen.2 \ 251 lseek.2 \ 252 madvise.2 \ 253 mincore.2 \ 254 minherit.2 \ 255 mkdir.2 \ 256 mkfifo.2 \ 257 mknod.2 \ 258 mlock.2 \ 259 mlockall.2 \ 260 mmap.2 \ 261 modfind.2 \ 262 modnext.2 \ 263 modstat.2 \ 264 mount.2 \ 265 mprotect.2 \ 266 mq_close.2 \ 267 mq_getattr.2 \ 268 mq_notify.2 \ 269 mq_open.2 \ 270 mq_receive.2 \ 271 mq_send.2 \ 272 mq_setattr.2 \ 273 mq_unlink.2 \ 274 msgctl.2 \ 275 msgget.2 \ 276 msgrcv.2 \ 277 msgsnd.2 \ 278 msync.2 \ 279 munmap.2 \ 280 nanosleep.2 \ 281 nfssvc.2 \ 282 ntp_adjtime.2 \ 283 open.2 \ 284 pathconf.2 \ 285 pdfork.2 \ 286 pipe.2 \ 287 poll.2 \ 288 posix_fadvise.2 \ 289 posix_fallocate.2 \ 290 posix_openpt.2 \ 291 procctl.2 \ 292 profil.2 \ 293 pselect.2 \ 294 ptrace.2 \ 295 quotactl.2 \ 296 rctl_add_rule.2 \ 297 read.2 \ 298 readlink.2 \ 299 reboot.2 \ 300 recv.2 \ 301 rename.2 \ 302 revoke.2 \ 303 rfork.2 \ 304 rmdir.2 \ 305 rtprio.2 \ 306 sched_get_priority_max.2 \ 307 sched_setparam.2 \ 308 sched_setscheduler.2 \ 309 sched_yield.2 \ 310 sctp_generic_recvmsg.2 \ 311 sctp_generic_sendmsg.2 \ 312 sctp_peeloff.2 \ 313 select.2 \ 314 semctl.2 \ 315 semget.2 \ 316 semop.2 \ 317 send.2 \ 318 setfib.2 \ 319 sendfile.2 \ 320 setgroups.2 \ 321 setpgid.2 \ 322 setregid.2 \ 323 setresuid.2 \ 324 setreuid.2 \ 325 setsid.2 \ 326 setuid.2 \ 327 shmat.2 \ 328 shmctl.2 \ 329 shmget.2 \ 330 shm_open.2 \ 331 shutdown.2 \ 332 sigaction.2 \ 333 sigaltstack.2 \ 334 sigfastblock.2 \ 335 sigpending.2 \ 336 sigprocmask.2 \ 337 sigqueue.2 \ 338 sigreturn.2 \ 339 sigstack.2 \ 340 sigsuspend.2 \ 341 sigwait.2 \ 342 sigwaitinfo.2 \ 343 socket.2 \ 344 socketpair.2 \ 345 stat.2 \ 346 statfs.2 \ 347 swapon.2 \ 348 symlink.2 \ 349 sync.2 \ 350 sysarch.2 \ 351 syscall.2 \ 352 thr_exit.2 \ 353 thr_kill.2 \ 354 thr_new.2 \ 355 thr_self.2 \ 356 thr_set_name.2 \ 357 thr_suspend.2 \ 358 thr_wake.2 \ 359 timer_create.2 \ 360 timer_delete.2 \ 361 timer_settime.2 \ 362 timerfd.2 \ 363 truncate.2 \ 364 umask.2 \ 365 undelete.2 \ 366 unlink.2 \ 367 utimensat.2 \ 368 utimes.2 \ 369 utrace.2 \ 370 uuidgen.2 \ 371 vfork.2 \ 372 wait.2 \ 373 write.2 \ 374 _umtx_op.2 375 376MAN+= \ 377 getpagesize.3 \ 378 getpagesizes.3 \ 379 lockf.3 \ 380 rfork_thread.3 \ 381 sleep.3 \ 382 usleep.3 383 384MLINKS+=aio_read.2 aio_readv.2 \ 385 aio_read.2 aio_read2.2 386MLINKS+=aio_write.2 aio_writev.2 \ 387 aio_write.2 aio_write2.2 388MLINKS+=accept.2 accept4.2 389MLINKS+=access.2 eaccess.2 \ 390 access.2 faccessat.2 391MLINKS+=auxv.3 elf_aux_info.3 392MLINKS+=brk.2 sbrk.2 393MLINKS+=cap_enter.2 cap_getmode.2 394MLINKS+=cap_fcntls_limit.2 cap_fcntls_get.2 395MLINKS+=cap_ioctls_limit.2 cap_ioctls_get.2 396MLINKS+=chdir.2 fchdir.2 397MLINKS+=chflags.2 chflagsat.2 \ 398 chflags.2 fchflags.2 \ 399 chflags.2 lchflags.2 400MLINKS+=chmod.2 fchmod.2 \ 401 chmod.2 fchmodat.2 \ 402 chmod.2 lchmod.2 403MLINKS+=chown.2 fchown.2 \ 404 chown.2 fchownat.2 \ 405 chown.2 lchown.2 406MLINKS+=clock_gettime.2 clock_getres.2 \ 407 clock_gettime.2 clock_settime.2 408MLINKS+=closefrom.2 close_range.2 409MLINKS+=nanosleep.2 clock_nanosleep.2 410MLINKS+=cpuset.2 cpuset_getid.2 \ 411 cpuset.2 cpuset_setid.2 412MLINKS+=cpuset_getaffinity.2 cpuset_setaffinity.2 413MLINKS+=cpuset_getdomain.2 cpuset_setdomain.2 414MLINKS+=dup.2 dup2.2 415MLINKS+=eventfd.2 eventfd_read.3 \ 416 eventfd.2 eventfd_write.3 417MLINKS+=execve.2 fexecve.2 418MLINKS+=extattr_get_file.2 extattr.2 \ 419 extattr_get_file.2 extattr_delete_fd.2 \ 420 extattr_get_file.2 extattr_delete_file.2 \ 421 extattr_get_file.2 extattr_delete_link.2 \ 422 extattr_get_file.2 extattr_get_fd.2 \ 423 extattr_get_file.2 extattr_get_link.2 \ 424 extattr_get_file.2 extattr_list_fd.2 \ 425 extattr_get_file.2 extattr_list_file.2 \ 426 extattr_get_file.2 extattr_list_link.2 \ 427 extattr_get_file.2 extattr_set_fd.2 \ 428 extattr_get_file.2 extattr_set_file.2 \ 429 extattr_get_file.2 extattr_set_link.2 430MLINKS+=ffclock.2 ffclock_getcounter.2 \ 431 ffclock.2 ffclock_getestimate.2 \ 432 ffclock.2 ffclock_setestimate.2 433MLINKS+=fhlink.2 fhlinkat.2 434MLINKS+=fhopen.2 fhstat.2 fhopen.2 fhstatfs.2 435MLINKS+=fork.2 _Fork.2 436MLINKS+=fsync.2 fdatasync.2 437MLINKS+=getdirentries.2 getdents.2 438MLINKS+=getfh.2 lgetfh.2 \ 439 getfh.2 getfhat.2 440MLINKS+=getgid.2 getegid.2 441MLINKS+=getitimer.2 setitimer.2 442MLINKS+=getlogin.2 getlogin_r.3 443MLINKS+=getlogin.2 setlogin.2 444MLINKS+=getloginclass.2 setloginclass.2 445MLINKS+=getpgrp.2 getpgid.2 446MLINKS+=getpid.2 getppid.2 447MLINKS+=getpriority.2 setpriority.2 448MLINKS+=getrlimit.2 setrlimit.2 449MLINKS+=getsockopt.2 setsockopt.2 450MLINKS+=gettimeofday.2 settimeofday.2 451MLINKS+=getuid.2 geteuid.2 452MLINKS+=intro.2 errno.2 453MLINKS+=jail.2 jail_attach.2 \ 454 jail.2 jail_get.2 \ 455 jail.2 jail_remove.2 \ 456 jail.2 jail_set.2 457MLINKS+=kldunload.2 kldunloadf.2 458MLINKS+=kqueue.2 kevent.2 \ 459 kqueue.2 kqueuex.2 \ 460 kqueue.2 EV_SET.3 461MLINKS+=link.2 linkat.2 462MLINKS+=madvise.2 posix_madvise.2 463MLINKS+=mkdir.2 mkdirat.2 464MLINKS+=mkfifo.2 mkfifoat.2 465MLINKS+=mknod.2 mknodat.2 466MLINKS+=mlock.2 munlock.2 467MLINKS+=mlockall.2 munlockall.2 468MLINKS+=modnext.2 modfnext.2 469MLINKS+=mount.2 nmount.2 \ 470 mount.2 unmount.2 471MLINKS+=mq_receive.2 mq_timedreceive.2 472MLINKS+=mq_send.2 mq_timedsend.2 473MLINKS+=ntp_adjtime.2 ntp_gettime.2 474MLINKS+=open.2 openat.2 475MLINKS+=pathconf.2 fpathconf.2 476MLINKS+=pathconf.2 lpathconf.2 477MLINKS+=pdfork.2 pdgetpid.2\ 478 pdfork.2 pdkill.2 479MLINKS+=pipe.2 pipe2.2 480MLINKS+=poll.2 ppoll.2 481MLINKS+=rctl_add_rule.2 rctl_get_limits.2 \ 482 rctl_add_rule.2 rctl_get_racct.2 \ 483 rctl_add_rule.2 rctl_get_rules.2 \ 484 rctl_add_rule.2 rctl_remove_rule.2 485MLINKS+=read.2 pread.2 \ 486 read.2 preadv.2 \ 487 read.2 readv.2 488MLINKS+=readlink.2 readlinkat.2 489MLINKS+=recv.2 recvfrom.2 \ 490 recv.2 recvmsg.2 491MLINKS+=rename.2 renameat.2 492MLINKS+=rtprio.2 rtprio_thread.2 493MLINKS+=sched_get_priority_max.2 sched_get_priority_min.2 \ 494 sched_get_priority_max.2 sched_rr_get_interval.2 495MLINKS+=sched_setparam.2 sched_getparam.2 496MLINKS+=sched_setscheduler.2 sched_getscheduler.2 497MLINKS+=sctp_generic_sendmsg.2 sctp_generic_sendmsg_iov.2 498MLINKS+=select.2 FD_CLR.3 \ 499 select.2 FD_ISSET.3 \ 500 select.2 FD_SET.3 \ 501 select.2 FD_ZERO.3 502MLINKS+=send.2 sendmsg.2 \ 503 send.2 sendto.2 504MLINKS+=setpgid.2 setpgrp.2 505MLINKS+=setresuid.2 getresgid.2 \ 506 setresuid.2 getresuid.2 \ 507 setresuid.2 setresgid.2 508MLINKS+=setuid.2 setegid.2 \ 509 setuid.2 seteuid.2 \ 510 setuid.2 setgid.2 511MLINKS+=shmat.2 shmdt.2 512MLINKS+=shm_open.2 memfd_create.3 \ 513 shm_open.2 shm_create_largepage.3 \ 514 shm_open.2 shm_unlink.2 \ 515 shm_open.2 shm_rename.2 516MLINKS+=sigwaitinfo.2 sigtimedwait.2 517MLINKS+=stat.2 fstat.2 \ 518 stat.2 fstatat.2 \ 519 stat.2 lstat.2 520MLINKS+=statfs.2 fstatfs.2 521MLINKS+=swapon.2 swapoff.2 522MLINKS+=symlink.2 symlinkat.2 523MLINKS+=syscall.2 __syscall.2 524MLINKS+=timer_settime.2 timer_getoverrun.2 \ 525 timer_settime.2 timer_gettime.2 526MLINKS+=timerfd.2 timerfd_create.2 \ 527 timerfd.2 timerfd_gettime.2 \ 528 timerfd.2 timerfd_settime.2 529MLINKS+=thr_kill.2 thr_kill2.2 530MLINKS+=truncate.2 ftruncate.2 531MLINKS+=unlink.2 unlinkat.2 532MLINKS+=unlink.2 funlinkat.2 533MLINKS+=utimensat.2 futimens.2 534MLINKS+=utimes.2 futimes.2 \ 535 utimes.2 futimesat.2 \ 536 utimes.2 lutimes.2 537MLINKS+=wait.2 wait3.2 \ 538 wait.2 wait4.2 \ 539 wait.2 waitpid.2 \ 540 wait.2 waitid.2 \ 541 wait.2 wait6.2 542MLINKS+=write.2 pwrite.2 \ 543 write.2 pwritev.2 \ 544 write.2 writev.2 545.endif # ${LIB} == "sys" 546