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 42SRCS+= getdents.c lstat.c mknod.c stat.c 43 44SRCS+= creat.c 45SRCS+= lockf.c wait.c wait3.c waitpid.c waitid.c 46SRCS+= recv.c recvmmsg.c send.c sendmmsg.c 47 48SRCS+= brk.c 49SRCS+= closefrom.c 50SRCS+= pipe.c 51SRCS+= shm_open.c 52SRCS+= vadvise.c 53SRCS+= POSIX2x_Fork.c 54 55SRCS+= compat-stub.c 56 57.if ${LIB} == "c" 58# Trapping stubs in dynamic libc to be filtered by libsys. 59SOBJS+= libc_stubs.pico 60 61# Link the full implementation of ELF auxargs for static libc. 62STATICOBJS+= auxv.o 63.endif 64 65NOASM= yield.o 66 67PSEUDO= \ 68 clock_gettime \ 69 exit \ 70 getlogin \ 71 gettimeofday \ 72 sched_getcpu 73 74INTERPOSED = \ 75 accept \ 76 accept4 \ 77 aio_suspend \ 78 clock_nanosleep \ 79 close \ 80 connect \ 81 fcntl \ 82 fdatasync \ 83 fsync \ 84 fork \ 85 kevent \ 86 msync \ 87 nanosleep \ 88 open \ 89 openat \ 90 pdfork \ 91 poll \ 92 ppoll \ 93 pselect \ 94 ptrace \ 95 read \ 96 readv \ 97 recvfrom \ 98 recvmsg \ 99 select \ 100 sendmsg \ 101 sendto \ 102 setcontext \ 103 sigaction \ 104 sigprocmask \ 105 sigsuspend \ 106 sigtimedwait \ 107 sigwait \ 108 sigwaitinfo \ 109 swapcontext \ 110 wait4 \ 111 wait6 \ 112 write \ 113 writev 114 115SRCS+= ${INTERPOSED:S/$/.c/} 116PSEUDO+= ${INTERPOSED} 117 118# Add machine dependent asm sources: 119SRCS+=${MDASM} 120 121# Look though the complete list of syscalls (MIASM) for names that are 122# not defined with machine dependent implementations (MDASM), not declared 123# without a trival <sys> symbol (PSEUDO). Add each syscall that satisfies 124# these conditions to the ASM list. 125.for _asm in ${MIASM} 126.if !${MDASM:R:M${_asm:R}} && !${NOASM:R:M${_asm:R}} && !${PSEUDO:M${_asm:R}} 127ASM+=$(_asm) 128.endif 129.endfor 130 131SASM= ${ASM:S/.o/.S/} 132 133SPSEUDO= ${PSEUDO:C/^.*$/_&.S/} 134 135SRCS+= ${SASM} ${SPSEUDO} 136 137SYM_MAPS+= ${LIBSYS_SRCTOP}/syscalls.map 138SYM_MAPS+= ${LIBSYS_SRCTOP}/Symbol.sys.map 139.if exists(${LIBSYS_SRCTOP}/${LIBC_ARCH}/Symbol.sys.map) 140SYM_MAPS+= ${LIBSYS_SRCTOP}/${LIBC_ARCH}/Symbol.sys.map 141.endif 142 143# Generated files 144CLEANFILES+= ${SASM} ${SPSEUDO} 145 146.if ${MACHINE_CPUARCH} == "amd64" || ${MACHINE_CPUARCH} == "i386" || \ 147 ${MACHINE_CPUARCH} == "powerpc" || ${MACHINE_CPUARCH} == "arm" 148NOTE_GNU_STACK='\t.section .note.GNU-stack,"",%%progbits\n' 149.else 150NOTE_GNU_STACK='' 151.endif 152.if ${MACHINE_CPUARCH} == "aarch64" 153FEATURE_NOTE='\#include <sys/elf_common.h>\nGNU_PROPERTY_AARCH64_FEATURE_1_NOTE(GNU_PROPERTY_AARCH64_FEATURE_1_VAL)\n' 154.else 155FEATURE_NOTE='' 156.endif 157 158${SASM}: 159 printf '/* %sgenerated by libc/sys/Makefile.inc */\n' @ > ${.TARGET} 160 printf '#include "compat.h"\n' >> ${.TARGET} 161 printf '#include "SYS.h"\nRSYSCALL(${.PREFIX})\n' >> ${.TARGET} 162 printf ${NOTE_GNU_STACK} >>${.TARGET} 163 printf ${FEATURE_NOTE} >> ${.TARGET} 164 165${SPSEUDO}: 166 printf '/* %sgenerated by libc/sys/Makefile.inc */\n' @ > ${.TARGET} 167 printf '#include "compat.h"\n' >> ${.TARGET} 168 printf '#include "SYS.h"\nPSEUDO(${.PREFIX:S/_//})\n' \ 169 >> ${.TARGET} 170 printf ${NOTE_GNU_STACK} >>${.TARGET} 171 printf ${FEATURE_NOTE} >> ${.TARGET} 172 173.if ${LIB} == "sys" 174MAN+= abort2.2 \ 175 accept.2 \ 176 access.2 \ 177 acct.2 \ 178 adjtime.2 \ 179 aio_cancel.2 \ 180 aio_error.2 \ 181 aio_fsync.2 \ 182 aio_mlock.2 \ 183 aio_read.2 \ 184 aio_return.2 \ 185 aio_suspend.2 \ 186 aio_waitcomplete.2 \ 187 aio_write.2 \ 188 auxv.3 \ 189 bind.2 \ 190 bindat.2 \ 191 brk.2 \ 192 cap_enter.2 \ 193 cap_fcntls_limit.2 \ 194 cap_ioctls_limit.2 \ 195 cap_rights_limit.2 \ 196 chdir.2 \ 197 chflags.2 \ 198 chmod.2 \ 199 chown.2 \ 200 chroot.2 \ 201 clock_gettime.2 \ 202 close.2 \ 203 closefrom.2 \ 204 connect.2 \ 205 connectat.2 \ 206 copy_file_range.2 \ 207 cpuset.2 \ 208 cpuset_getaffinity.2 \ 209 cpuset_getdomain.2 \ 210 creat.2 \ 211 dup.2 \ 212 eventfd.2 \ 213 execve.2 \ 214 _exit.2 \ 215 extattr_get_file.2 \ 216 fcntl.2 \ 217 ffclock.2 \ 218 fhlink.2 \ 219 fhopen.2 \ 220 fhreadlink.2 \ 221 flock.2 \ 222 fork.2 \ 223 fspacectl.2 \ 224 fsync.2 \ 225 getdirentries.2 \ 226 getdtablesize.2 \ 227 getfh.2 \ 228 getfsstat.2 \ 229 getgid.2 \ 230 getgroups.2 \ 231 getitimer.2 \ 232 getlogin.2 \ 233 getloginclass.2 \ 234 getpeername.2 \ 235 getpgrp.2 \ 236 getpid.2 \ 237 getpriority.2 \ 238 getrandom.2 \ 239 getrlimit.2 \ 240 getrusage.2 \ 241 getsid.2 \ 242 getsockname.2 \ 243 getsockopt.2 \ 244 gettimeofday.2 \ 245 getuid.2 \ 246 intro.2 \ 247 ioctl.2 \ 248 issetugid.2 \ 249 jail.2 \ 250 kcmp.2 \ 251 kenv.2 \ 252 kill.2 \ 253 kldfind.2 \ 254 kldfirstmod.2 \ 255 kldload.2 \ 256 kldnext.2 \ 257 kldstat.2 \ 258 kldsym.2 \ 259 kldunload.2 \ 260 kqueue.2 \ 261 ktrace.2 \ 262 link.2 \ 263 lio_listio.2 \ 264 listen.2 \ 265 lseek.2 \ 266 madvise.2 \ 267 mincore.2 \ 268 minherit.2 \ 269 mkdir.2 \ 270 mkfifo.2 \ 271 mknod.2 \ 272 mlock.2 \ 273 mlockall.2 \ 274 mmap.2 \ 275 modfind.2 \ 276 modnext.2 \ 277 modstat.2 \ 278 mount.2 \ 279 mprotect.2 \ 280 mq_close.2 \ 281 mq_getattr.2 \ 282 mq_notify.2 \ 283 mq_open.2 \ 284 mq_receive.2 \ 285 mq_send.2 \ 286 mq_setattr.2 \ 287 mq_unlink.2 \ 288 msgctl.2 \ 289 msgget.2 \ 290 msgrcv.2 \ 291 msgsnd.2 \ 292 msync.2 \ 293 munmap.2 \ 294 nanosleep.2 \ 295 nfssvc.2 \ 296 ntp_adjtime.2 \ 297 open.2 \ 298 pathconf.2 \ 299 pdfork.2 \ 300 pipe.2 \ 301 poll.2 \ 302 posix_fadvise.2 \ 303 posix_fallocate.2 \ 304 posix_openpt.2 \ 305 procctl.2 \ 306 profil.2 \ 307 pselect.2 \ 308 ptrace.2 \ 309 quotactl.2 \ 310 rctl_add_rule.2 \ 311 read.2 \ 312 readlink.2 \ 313 reboot.2 \ 314 recv.2 \ 315 rename.2 \ 316 revoke.2 \ 317 rfork.2 \ 318 rmdir.2 \ 319 rtprio.2 \ 320 sched_get_priority_max.2 \ 321 sched_setparam.2 \ 322 sched_setscheduler.2 \ 323 sched_yield.2 \ 324 sctp_generic_recvmsg.2 \ 325 sctp_generic_sendmsg.2 \ 326 sctp_peeloff.2 \ 327 select.2 \ 328 semctl.2 \ 329 semget.2 \ 330 semop.2 \ 331 send.2 \ 332 setfib.2 \ 333 sendfile.2 \ 334 setgroups.2 \ 335 setpgid.2 \ 336 setregid.2 \ 337 setresuid.2 \ 338 setreuid.2 \ 339 setsid.2 \ 340 setuid.2 \ 341 shmat.2 \ 342 shmctl.2 \ 343 shmget.2 \ 344 shm_open.2 \ 345 shutdown.2 \ 346 sigaction.2 \ 347 sigaltstack.2 \ 348 sigfastblock.2 \ 349 sigpending.2 \ 350 sigprocmask.2 \ 351 sigqueue.2 \ 352 sigreturn.2 \ 353 sigstack.2 \ 354 sigsuspend.2 \ 355 sigwait.2 \ 356 sigwaitinfo.2 \ 357 socket.2 \ 358 socketpair.2 \ 359 stat.2 \ 360 statfs.2 \ 361 swapon.2 \ 362 symlink.2 \ 363 sync.2 \ 364 sysarch.2 \ 365 syscall.2 \ 366 thr_exit.2 \ 367 thr_kill.2 \ 368 thr_new.2 \ 369 thr_self.2 \ 370 thr_set_name.2 \ 371 thr_suspend.2 \ 372 thr_wake.2 \ 373 timer_create.2 \ 374 timer_delete.2 \ 375 timer_settime.2 \ 376 timerfd.2 \ 377 truncate.2 \ 378 umask.2 \ 379 undelete.2 \ 380 unlink.2 \ 381 utimensat.2 \ 382 utimes.2 \ 383 utrace.2 \ 384 uuidgen.2 \ 385 vfork.2 \ 386 wait.2 \ 387 write.2 \ 388 _umtx_op.2 389 390MAN+= \ 391 getpagesize.3 \ 392 getpagesizes.3 \ 393 lockf.3 \ 394 rfork_thread.3 \ 395 sleep.3 \ 396 usleep.3 397 398MLINKS+=aio_read.2 aio_readv.2 \ 399 aio_read.2 aio_read2.2 400MLINKS+=aio_write.2 aio_writev.2 \ 401 aio_write.2 aio_write2.2 402MLINKS+=accept.2 accept4.2 403MLINKS+=access.2 eaccess.2 \ 404 access.2 faccessat.2 405MLINKS+=auxv.3 elf_aux_info.3 406MLINKS+=brk.2 sbrk.2 407MLINKS+=cap_enter.2 cap_getmode.2 408MLINKS+=cap_fcntls_limit.2 cap_fcntls_get.2 409MLINKS+=cap_ioctls_limit.2 cap_ioctls_get.2 410MLINKS+=chdir.2 fchdir.2 411MLINKS+=chflags.2 chflagsat.2 \ 412 chflags.2 fchflags.2 \ 413 chflags.2 lchflags.2 414MLINKS+=chmod.2 fchmod.2 \ 415 chmod.2 fchmodat.2 \ 416 chmod.2 lchmod.2 417MLINKS+=chown.2 fchown.2 \ 418 chown.2 fchownat.2 \ 419 chown.2 lchown.2 420MLINKS+=clock_gettime.2 clock_getres.2 \ 421 clock_gettime.2 clock_settime.2 422MLINKS+=closefrom.2 close_range.2 423MLINKS+=nanosleep.2 clock_nanosleep.2 424MLINKS+=cpuset.2 cpuset_getid.2 \ 425 cpuset.2 cpuset_setid.2 426MLINKS+=cpuset_getaffinity.2 cpuset_setaffinity.2 427MLINKS+=cpuset_getdomain.2 cpuset_setdomain.2 428MLINKS+=dup.2 dup2.2 429MLINKS+=eventfd.2 eventfd_read.3 \ 430 eventfd.2 eventfd_write.3 431MLINKS+=execve.2 fexecve.2 432MLINKS+=extattr_get_file.2 extattr.2 \ 433 extattr_get_file.2 extattr_delete_fd.2 \ 434 extattr_get_file.2 extattr_delete_file.2 \ 435 extattr_get_file.2 extattr_delete_link.2 \ 436 extattr_get_file.2 extattr_get_fd.2 \ 437 extattr_get_file.2 extattr_get_link.2 \ 438 extattr_get_file.2 extattr_list_fd.2 \ 439 extattr_get_file.2 extattr_list_file.2 \ 440 extattr_get_file.2 extattr_list_link.2 \ 441 extattr_get_file.2 extattr_set_fd.2 \ 442 extattr_get_file.2 extattr_set_file.2 \ 443 extattr_get_file.2 extattr_set_link.2 444MLINKS+=ffclock.2 ffclock_getcounter.2 \ 445 ffclock.2 ffclock_getestimate.2 \ 446 ffclock.2 ffclock_setestimate.2 447MLINKS+=fhlink.2 fhlinkat.2 448MLINKS+=fhopen.2 fhstat.2 fhopen.2 fhstatfs.2 449MLINKS+=fork.2 _Fork.2 450MLINKS+=fsync.2 fdatasync.2 451MLINKS+=getdirentries.2 getdents.2 452MLINKS+=getfh.2 lgetfh.2 \ 453 getfh.2 getfhat.2 454MLINKS+=getgid.2 getegid.2 455MLINKS+=getitimer.2 setitimer.2 456MLINKS+=getlogin.2 getlogin_r.3 457MLINKS+=getlogin.2 setlogin.2 458MLINKS+=getloginclass.2 setloginclass.2 459MLINKS+=getpgrp.2 getpgid.2 460MLINKS+=getpid.2 getppid.2 461MLINKS+=getpriority.2 setpriority.2 462MLINKS+=getrlimit.2 setrlimit.2 463MLINKS+=getsockopt.2 setsockopt.2 464MLINKS+=gettimeofday.2 settimeofday.2 465MLINKS+=getuid.2 geteuid.2 466MLINKS+=intro.2 errno.2 467MLINKS+=jail.2 jail_attach.2 \ 468 jail.2 jail_get.2 \ 469 jail.2 jail_remove.2 \ 470 jail.2 jail_set.2 471MLINKS+=kldunload.2 kldunloadf.2 472MLINKS+=kqueue.2 kevent.2 \ 473 kqueue.2 kqueuex.2 \ 474 kqueue.2 EV_SET.3 475MLINKS+=link.2 linkat.2 476MLINKS+=madvise.2 posix_madvise.2 477MLINKS+=mkdir.2 mkdirat.2 478MLINKS+=mkfifo.2 mkfifoat.2 479MLINKS+=mknod.2 mknodat.2 480MLINKS+=mlock.2 munlock.2 481MLINKS+=mlockall.2 munlockall.2 482MLINKS+=modnext.2 modfnext.2 483MLINKS+=mount.2 nmount.2 \ 484 mount.2 unmount.2 485MLINKS+=mq_receive.2 mq_timedreceive.2 486MLINKS+=mq_send.2 mq_timedsend.2 487MLINKS+=ntp_adjtime.2 ntp_gettime.2 488MLINKS+=open.2 openat.2 489MLINKS+=pathconf.2 fpathconf.2 490MLINKS+=pathconf.2 lpathconf.2 491MLINKS+=pdfork.2 pdgetpid.2\ 492 pdfork.2 pdkill.2 493MLINKS+=pipe.2 pipe2.2 494MLINKS+=poll.2 ppoll.2 495MLINKS+=rctl_add_rule.2 rctl_get_limits.2 \ 496 rctl_add_rule.2 rctl_get_racct.2 \ 497 rctl_add_rule.2 rctl_get_rules.2 \ 498 rctl_add_rule.2 rctl_remove_rule.2 499MLINKS+=read.2 pread.2 \ 500 read.2 preadv.2 \ 501 read.2 readv.2 502MLINKS+=readlink.2 readlinkat.2 503MLINKS+=recv.2 recvfrom.2 \ 504 recv.2 recvmsg.2 505MLINKS+=rename.2 renameat.2 506MLINKS+=rtprio.2 rtprio_thread.2 507MLINKS+=sched_get_priority_max.2 sched_get_priority_min.2 \ 508 sched_get_priority_max.2 sched_rr_get_interval.2 509MLINKS+=sched_setparam.2 sched_getparam.2 510MLINKS+=sched_setscheduler.2 sched_getscheduler.2 511MLINKS+=sctp_generic_sendmsg.2 sctp_generic_sendmsg_iov.2 512MLINKS+=select.2 FD_CLR.3 \ 513 select.2 FD_ISSET.3 \ 514 select.2 FD_SET.3 \ 515 select.2 FD_ZERO.3 516MLINKS+=send.2 sendmsg.2 \ 517 send.2 sendto.2 518MLINKS+=setpgid.2 setpgrp.2 519MLINKS+=setresuid.2 getresgid.2 \ 520 setresuid.2 getresuid.2 \ 521 setresuid.2 setresgid.2 522MLINKS+=setuid.2 setegid.2 \ 523 setuid.2 seteuid.2 \ 524 setuid.2 setgid.2 525MLINKS+=shmat.2 shmdt.2 526MLINKS+=shm_open.2 memfd_create.3 \ 527 shm_open.2 shm_create_largepage.3 \ 528 shm_open.2 shm_unlink.2 \ 529 shm_open.2 shm_rename.2 530MLINKS+=sigwaitinfo.2 sigtimedwait.2 531MLINKS+=stat.2 fstat.2 \ 532 stat.2 fstatat.2 \ 533 stat.2 lstat.2 534MLINKS+=statfs.2 fstatfs.2 535MLINKS+=swapon.2 swapoff.2 536MLINKS+=symlink.2 symlinkat.2 537MLINKS+=syscall.2 __syscall.2 538MLINKS+=timer_settime.2 timer_getoverrun.2 \ 539 timer_settime.2 timer_gettime.2 540MLINKS+=timerfd.2 timerfd_create.2 \ 541 timerfd.2 timerfd_gettime.2 \ 542 timerfd.2 timerfd_settime.2 543MLINKS+=thr_kill.2 thr_kill2.2 544MLINKS+=truncate.2 ftruncate.2 545MLINKS+=unlink.2 unlinkat.2 546MLINKS+=unlink.2 funlinkat.2 547MLINKS+=utimensat.2 futimens.2 548MLINKS+=utimes.2 futimes.2 \ 549 utimes.2 futimesat.2 \ 550 utimes.2 lutimes.2 551MLINKS+=wait.2 wait3.2 \ 552 wait.2 wait4.2 \ 553 wait.2 waitpid.2 \ 554 wait.2 waitid.2 \ 555 wait.2 wait6.2 556MLINKS+=write.2 pwrite.2 \ 557 write.2 pwritev.2 \ 558 write.2 writev.2 559.endif # ${LIB} == "sys" 560