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# $OpenBSD: Makefile.inc,v 1.175 2023/12/11 00:34:24 deraadt Exp $
# $NetBSD: Makefile.inc,v 1.35 1995/10/16 23:49:07 jtc Exp $
# @(#)Makefile.inc 8.1 (Berkeley) 6/17/93
# sys sources
.PATH: ${LIBCSRCDIR}/arch/${MACHINE_CPU}/sys ${LIBCSRCDIR}/sys
# modules with non-default implementations on at least one architecture:
SRCS+= Ovfork.S brk.S ${CERROR} \
sbrk.S sigpending.S sigprocmask.S \
sigsuspend.S syscall.S tfork_thread.S
# glue to offer userland wrappers for some syscalls
SRCS+= posix_madvise.c pthread_sigmask.c \
w_fork.c w_sigaction.c w_sigprocmask.c w_sigsuspend.c w_vfork.c \
w_clock_gettime.c w_gettimeofday.c microtime.c
# glue for compat with old syscall interfaces.
SRCS+= ptrace.c semctl.c \
timer_create.c timer_delete.c timer_getoverrun.c timer_gettime.c \
timer_settime.c
# stack protector helper functions
SRCS+= stack_protector.c
# Extract execve stub size for static binary pinsyscall(2) in dlfcn/init.c
SRCS+= _execvesize.c
CLEANFILES+=_execvesize.c
_execvesize.c: execve.o execve.po
readelf -s execve.po | awk \
'/ execve$$/{ printf("#ifdef _PROFILE\nconst int _execve_size = %d;\n", $$3); }' > $@
readelf -s execve.o | awk \
'/ execve$$/{ printf("#else\nconst int _execve_size = %d;\n#endif\n", $$3); }' >> $@
# _libc_preinit() needs to know if compiled with or without profiling
_execvesize.po:
@echo "${COMPILE.c} -D_PROFILE ${.IMPSRC} -o ${.TARGET}"
@${COMPILE.c} ${DFLAGS} -D_PROFILE ${.IMPSRC} -o ${.TARGET}.o
@-mv $@.d $*.d
@${LD} -X -r ${.TARGET}.o -o ${.TARGET}
@rm -f ${.TARGET}.o
# cancelation details
SRCS+= canceled.c
# syscalls that would be normal...except for cancellation or SIGTHR
CANCEL= accept accept4 \
close closefrom connect \
fcntl fsync \
msgrcv msgsnd msync \
nanosleep \
open openat \
poll ppoll pread preadv pselect pwrite pwritev \
read readv recvfrom recvmmsg recvmsg \
select sendmmsg sendmsg sendto \
wait4 waitid write writev
SRCS+= ${CANCEL:%=w_%.c}
# modules with default implementations on all architectures, unless overridden
# below:
ASM= __semctl.o __thrsigdivert.o \
access.o acct.o adjfreq.o adjtime.o \
bind.o chdir.o chflags.o chflagsat.o chmod.o chown.o chroot.o \
clock_getres.o clock_settime.o \
dup.o dup2.o dup3.o \
execve.o \
faccessat.o fchdir.o fchflags.o fchmod.o fchmodat.o fchown.o \
fchownat.o fhopen.o fhstat.o fhstatfs.o \
flock.o fpathconf.o fstat.o fstatat.o fstatfs.o \
ftruncate.o futex.o futimens.o futimes.o \
getentropy.o getdents.o getfh.o getfsstat.o \
getgroups.o getitimer.o getpeername.o getpgid.o \
getpriority.o getresgid.o getresuid.o \
getrlimit.o getrusage.o getsid.o getsockname.o \
getsockopt.o ioctl.o \
kevent.o kill.o kqueue.o kqueue1.o ktrace.o lchown.o \
link.o linkat.o listen.o lseek.o lstat.o \
madvise.o mimmutable.o minherit.o mkdir.o mkdirat.o mkfifo.o mkfifoat.o \
mknod.o mknodat.o mlock.o mlockall.o mmap.o mount.o mprotect.o \
mquery.o msgctl.o msgget.o munlock.o munlockall.o munmap.o \
nfssvc.o \
pathconf.o pipe.o pipe2.o pinsyscall.o pledge.o profil.o \
quotactl.o \
readlink.o readlinkat.o reboot.o \
rename.o renameat.o revoke.o rmdir.o \
semget.o semop.o sendsyslog.o \
setegid.o seteuid.o setgid.o setgroups.o setitimer.o setlogin.o \
setpgid.o setpriority.o setregid.o setresgid.o setresuid.o \
setreuid.o setrlimit.o setrtable.o setsid.o setsockopt.o \
settimeofday.o setuid.o shmat.o shmctl.o shmdt.o \
shmget.o shutdown.o sigaltstack.o socket.o \
socketpair.o stat.o statfs.o swapctl.o symlink.o symlinkat.o \
sysarch.o sysctl.o \
thrkill.o truncate.o \
unlink.o unlinkat.o \
unmount.o unveil.o utimensat.o utimes.o utrace.o
SRCS+= ${SRCS_${MACHINE_CPU}}
.for i in ${SRCS_${MACHINE_CPU}}
ASM:= ${ASM:N${i:R}.o}
.endfor
PASM= ${ASM:.o=.po}
SASM= ${ASM:.o=.so}
DASM= ${ASM:.o=.do}
# syscalls that CANNOT FAIL. They can return whatever value they want,
# they just never want to set errno.
ASM_NOERR=__get_tcb.o __set_tcb.o __threxit.o __thrsleep.o __thrwakeup.o \
getdtablecount.o getegid.o geteuid.o getgid.o getlogin_r.o \
getpgrp.o getpid.o getppid.o getrtable.o getthrid.o \
getthrname.o getuid.o \
issetugid.o \
sched_yield.o setthrname.o sync.o \
umask.o
PASM_NOERR= ${ASM_NOERR:.o=.po}
SASM_NOERR= ${ASM_NOERR:.o=.so}
DASM_NOERR= ${ASM_NOERR:.o=.do}
PSEUDO=
PPSEUDO=${PSEUDO:.o=.po}
SPSEUDO=${PSEUDO:.o=.so}
DPSEUDO=${PSEUDO:.o=.do}
# syscalls that CANNOT FAIL and whose function has one more leading underbar
# than its matching SYS_* symbol. E.g., _exit() --> SYS_exit
PSEUDO_NOERR= _exit.o
PPSEUDO_NOERR=${PSEUDO_NOERR:.o=.po}
SPSEUDO_NOERR=${PSEUDO_NOERR:.o=.so}
DPSEUDO_NOERR=${PSEUDO_NOERR:.o=.do}
HIDDEN= ___realpath.o ___getcwd.o fork.o sigaction.o _ptrace.o ${CANCEL:=.o} \
clock_gettime.o gettimeofday.o ypconnect.o
PHIDDEN=${HIDDEN:.o=.po}
SHIDDEN=${HIDDEN:.o=.so}
DHIDDEN=${HIDDEN:.o=.do}
OBJS+= ${ASM} ${ASM_NOERR} ${PSEUDO} ${PSEUDO_NOERR} ${HIDDEN}
# XXX only difference is -x removes FILE symbols?
TRIM=${LD} -x -r ${.TARGET}.o -o ${.TARGET} && rm -f ${.TARGET}.o
TRIM.debug=${LD} -X -r ${.TARGET}.o -o ${.TARGET} && rm -f ${.TARGET}.o
GEN_PREFIX=\t.file "${@:R}.S"\n\#include "SYS.h"
# Pick one of these to set what ASM is generated...
GENERATE.rsyscall=\
echo creating ${.TARGET} && \
printf '${GEN_PREFIX}\nRSYSCALL(${.PREFIX})\n'
GENERATE.rsyscall_noerr=\
echo creating ${.TARGET} && \
printf '${GEN_PREFIX}\nPSEUDO_NOERROR(${.PREFIX},${.PREFIX})\n'
GENERATE.pseudo=\
echo creating ${.TARGET} && \
printf '${GEN_PREFIX}\nPSEUDO(${.PREFIX},${.PREFIX:S/^_//})\n'
GENERATE.pseudo_noerr=\
echo creating ${.TARGET} && \
printf '${GEN_PREFIX}\nPSEUDO_NOERROR(${.PREFIX},${.PREFIX:S/^_//})\n'
GENERATE.rsyscall_hidden=\
echo creating ${.TARGET} && \
printf '${GEN_PREFIX}\nRSYSCALL_HIDDEN(${.PREFIX:S/^_//})\n'
# ...and one of these to control how it's compiled
FINISH= ${COMPILE.S} ${CFLAGS:M-[ID]*} ${CFLAGS:M-pipe} ${AINC} -P -x assembler-with-cpp - ${DFLAGS} -MF ${.TARGET:R}.d
FINISH.po=${FINISH} -o ${.TARGET}.o -DPROF && ${TRIM.debug}
FINISH.so=${FINISH} -o ${.TARGET} ${PICFLAG}
FINISH.do=${FINISH} -o ${.TARGET}.o ${DIST_CFLAGS} && ${TRIM}
FINISH.o =${FINISH} -o ${.TARGET}.o && ${TRIM}
# Use those to generate the desired syscall stubs
${PASM}: ; @${GENERATE.rsyscall} | ${FINISH.po}
${SASM}: ; @${GENERATE.rsyscall} | ${FINISH.so}
${DASM}: ; @${GENERATE.rsyscall} | ${FINISH.do}
${ASM}: ; @${GENERATE.rsyscall} | ${FINISH.o}
${PASM_NOERR}: ; @${GENERATE.rsyscall_noerr} | ${FINISH.po}
${SASM_NOERR}: ; @${GENERATE.rsyscall_noerr} | ${FINISH.so}
${DASM_NOERR}: ; @${GENERATE.rsyscall_noerr} | ${FINISH.do}
${ASM_NOERR}: ; @${GENERATE.rsyscall_noerr} | ${FINISH.o}
${PPSEUDO}: ; @${GENERATE.pseudo} | ${FINISH.po}
${SPSEUDO}: ; @${GENERATE.pseudo} | ${FINISH.so}
${DPSEUDO}: ; @${GENERATE.pseudo} | ${FINISH.do}
${PSEUDO}: ; @${GENERATE.pseudo} | ${FINISH.o}
${PPSEUDO_NOERR}: ; @${GENERATE.pseudo_noerr} | ${FINISH.po}
${SPSEUDO_NOERR}: ; @${GENERATE.pseudo_noerr} | ${FINISH.so}
${DPSEUDO_NOERR}: ; @${GENERATE.pseudo_noerr} | ${FINISH.do}
${PSEUDO_NOERR}: ; @${GENERATE.pseudo_noerr} | ${FINISH.o}
${PHIDDEN}: ; @${GENERATE.rsyscall_hidden} | ${FINISH.po}
${SHIDDEN}: ; @${GENERATE.rsyscall_hidden} | ${FINISH.so}
${DHIDDEN}: ; @${GENERATE.rsyscall_hidden} | ${FINISH.do}
${HIDDEN}: ; @${GENERATE.rsyscall_hidden} | ${FINISH.o}
MAN+= __get_tcb.2 __thrsigdivert.2 __thrsleep.2 _exit.2 accept.2 \
access.2 acct.2 adjfreq.2 adjtime.2 bind.2 brk.2 chdir.2 \
chflags.2 chmod.2 chown.2 chroot.2 clock_gettime.2 close.2 \
closefrom.2 connect.2 dup.2 execve.2 fcntl.2 fhopen.2 flock.2 \
fork.2 fsync.2 futex.2 getentropy.2 getdents.2 getdtablecount.2 \
getfh.2 getfsstat.2 getgid.2 getgroups.2 getitimer.2 getlogin.2 \
getpeername.2 getpgrp.2 getpid.2 getpriority.2 getrlimit.2 \
getrtable.2 getrusage.2 getsid.2 getsockname.2 getsockopt.2 \
getthrid.2 getthrname.2 gettimeofday.2 getuid.2 \
intro.2 ioctl.2 issetugid.2 \
kbind.2 kill.2 kqueue.2 ktrace.2 link.2 listen.2 lseek.2 madvise.2 \
mimmutable.2 minherit.2 mkdir.2 mkfifo.2 mknod.2 mlock.2 \
mlockall.2 mmap.2 mount.2 mprotect.2 mquery.2 msyscall.2 msgctl.2 \
msgget.2 msgrcv.2 msgsnd.2 msync.2 munmap.2 nanosleep.2 \
nfssvc.2 open.2 pathconf.2 pinsyscall.2 pinsyscalls.2 pipe.2 pledge.2 \
poll.2 profil.2 ptrace.2 quotactl.2 read.2 readlink.2 reboot.2 recv.2 \
rename.2 revoke.2 rmdir.2 sched_yield.2 select.2 semctl.2 semget.2 \
semop.2 send.2 setgroups.2 setpgid.2 setregid.2 \
setresuid.2 setreuid.2 setsid.2 sendsyslog.2 setuid.2 shmat.2 \
shmctl.2 shmget.2 shutdown.2 sigaction.2 sigaltstack.2 sigpending.2 \
sigprocmask.2 sigreturn.2 sigsuspend.2 socket.2 \
socketpair.2 stat.2 statfs.2 swapctl.2 symlink.2 \
sync.2 sysarch.2 syscall.2 sysctl.2 thrkill.2 truncate.2 \
umask.2 unlink.2 unveil.2 utimes.2 utrace.2 vfork.2 \
wait.2 waitid.2 write.2 \
ypconnect.2
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