223 lines
8.6 KiB
Makefile
223 lines
8.6 KiB
Makefile
# $OpenBSD: Makefile.inc,v 1.174 2023/08/20 15:17:53 visa Exp $
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# $NetBSD: Makefile.inc,v 1.35 1995/10/16 23:49:07 jtc Exp $
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# @(#)Makefile.inc 8.1 (Berkeley) 6/17/93
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# sys sources
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.PATH: ${LIBCSRCDIR}/arch/${MACHINE_CPU}/sys ${LIBCSRCDIR}/sys
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# modules with non-default implementations on at least one architecture:
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SRCS+= Ovfork.S brk.S ${CERROR} \
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sbrk.S sigpending.S sigprocmask.S \
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sigsuspend.S syscall.S tfork_thread.S
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# glue to offer userland wrappers for some syscalls
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SRCS+= posix_madvise.c pthread_sigmask.c \
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w_fork.c w_sigaction.c w_sigprocmask.c w_sigsuspend.c w_vfork.c \
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w_clock_gettime.c w_gettimeofday.c microtime.c
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# glue for compat with old syscall interfaces.
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SRCS+= ptrace.c semctl.c \
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timer_create.c timer_delete.c timer_getoverrun.c timer_gettime.c \
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timer_settime.c
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# stack protector helper functions
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SRCS+= stack_protector.c
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# Extract execve stub size for static binary pinsyscall(2) in dlfcn/init.c
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SRCS+= _execvesize.c
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CLEANFILES+=_execvesize.c
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_execvesize.c: execve.o execve.po
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readelf -s execve.po | awk \
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'/ execve$$/{ printf("#ifdef _PROFILE\nconst int _execve_size = %d;\n", $$3); }' > $@
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readelf -s execve.o | awk \
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'/ execve$$/{ printf("#else\nconst int _execve_size = %d;\n#endif\n", $$3); }' >> $@
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# _libc_preinit() needs to know if compiled with or without profiling
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_execvesize.po:
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@echo "${COMPILE.c} -D_PROFILE ${.IMPSRC} -o ${.TARGET}"
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@${COMPILE.c} ${DFLAGS} -D_PROFILE ${.IMPSRC} -o ${.TARGET}.o
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@-mv $@.d $*.d
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@${LD} -X -r ${.TARGET}.o -o ${.TARGET}
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@rm -f ${.TARGET}.o
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# cancelation details
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SRCS+= canceled.c
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# syscalls that would be normal...except for cancellation or SIGTHR
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CANCEL= accept accept4 \
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close closefrom connect \
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fcntl fsync \
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msgrcv msgsnd msync \
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nanosleep \
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open openat \
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poll ppoll pread preadv pselect pwrite pwritev \
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read readv recvfrom recvmmsg recvmsg \
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select sendmmsg sendmsg sendto \
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wait4 waitid write writev
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SRCS+= ${CANCEL:%=w_%.c}
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# modules with default implementations on all architectures, unless overridden
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# below:
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ASM= __semctl.o __thrsigdivert.o \
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access.o acct.o adjfreq.o adjtime.o \
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bind.o chdir.o chflags.o chflagsat.o chmod.o chown.o chroot.o \
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clock_getres.o clock_settime.o \
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dup.o dup2.o dup3.o \
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execve.o \
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faccessat.o fchdir.o fchflags.o fchmod.o fchmodat.o fchown.o \
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fchownat.o fhopen.o fhstat.o fhstatfs.o \
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flock.o fpathconf.o fstat.o fstatat.o fstatfs.o \
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ftruncate.o futex.o futimens.o futimes.o \
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getentropy.o getdents.o getfh.o getfsstat.o \
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getgroups.o getitimer.o getpeername.o getpgid.o \
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getpriority.o getresgid.o getresuid.o \
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getrlimit.o getrusage.o getsid.o getsockname.o \
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getsockopt.o ioctl.o \
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kevent.o kill.o kqueue.o kqueue1.o ktrace.o lchown.o \
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link.o linkat.o listen.o lseek.o lstat.o \
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madvise.o mimmutable.o minherit.o mkdir.o mkdirat.o mkfifo.o mkfifoat.o \
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mknod.o mknodat.o mlock.o mlockall.o mmap.o mount.o mprotect.o \
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mquery.o msgctl.o msgget.o munlock.o munlockall.o munmap.o \
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nfssvc.o \
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pathconf.o pipe.o pipe2.o pinsyscall.o pledge.o profil.o \
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quotactl.o \
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readlink.o readlinkat.o reboot.o \
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rename.o renameat.o revoke.o rmdir.o \
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semget.o semop.o sendsyslog.o \
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setegid.o seteuid.o setgid.o setgroups.o setitimer.o setlogin.o \
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setpgid.o setpriority.o setregid.o setresgid.o setresuid.o \
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setreuid.o setrlimit.o setrtable.o setsid.o setsockopt.o \
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settimeofday.o setuid.o shmat.o shmctl.o shmdt.o \
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shmget.o shutdown.o sigaltstack.o socket.o \
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socketpair.o stat.o statfs.o swapctl.o symlink.o symlinkat.o \
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sysarch.o sysctl.o \
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thrkill.o truncate.o \
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unlink.o unlinkat.o \
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unmount.o unveil.o utimensat.o utimes.o utrace.o
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SRCS+= ${SRCS_${MACHINE_CPU}}
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.for i in ${SRCS_${MACHINE_CPU}}
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ASM:= ${ASM:N${i:R}.o}
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.endfor
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PASM= ${ASM:.o=.po}
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SASM= ${ASM:.o=.so}
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DASM= ${ASM:.o=.do}
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# syscalls that CANNOT FAIL. They can return whatever value they want,
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# they just never want to set errno.
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ASM_NOERR=__get_tcb.o __set_tcb.o __threxit.o __thrsleep.o __thrwakeup.o \
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getdtablecount.o getegid.o geteuid.o getgid.o getlogin_r.o \
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getpgrp.o getpid.o getppid.o getrtable.o getthrid.o \
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getthrname.o getuid.o \
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issetugid.o \
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sched_yield.o setthrname.o sync.o \
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umask.o
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PASM_NOERR= ${ASM_NOERR:.o=.po}
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SASM_NOERR= ${ASM_NOERR:.o=.so}
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DASM_NOERR= ${ASM_NOERR:.o=.do}
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PSEUDO=
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PPSEUDO=${PSEUDO:.o=.po}
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SPSEUDO=${PSEUDO:.o=.so}
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DPSEUDO=${PSEUDO:.o=.do}
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# syscalls that CANNOT FAIL and whose function has one more leading underbar
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# than its matching SYS_* symbol. E.g., _exit() --> SYS_exit
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PSEUDO_NOERR= _exit.o
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PPSEUDO_NOERR=${PSEUDO_NOERR:.o=.po}
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SPSEUDO_NOERR=${PSEUDO_NOERR:.o=.so}
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DPSEUDO_NOERR=${PSEUDO_NOERR:.o=.do}
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HIDDEN= ___realpath.o ___getcwd.o fork.o sigaction.o _ptrace.o ${CANCEL:=.o} \
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clock_gettime.o gettimeofday.o ypconnect.o
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PHIDDEN=${HIDDEN:.o=.po}
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SHIDDEN=${HIDDEN:.o=.so}
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DHIDDEN=${HIDDEN:.o=.do}
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OBJS+= ${ASM} ${ASM_NOERR} ${PSEUDO} ${PSEUDO_NOERR} ${HIDDEN}
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# XXX only difference is -x removes FILE symbols?
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TRIM=${LD} -x -r ${.TARGET}.o -o ${.TARGET} && rm -f ${.TARGET}.o
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TRIM.debug=${LD} -X -r ${.TARGET}.o -o ${.TARGET} && rm -f ${.TARGET}.o
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GEN_PREFIX=\t.file "${@:R}.S"\n\#include "SYS.h"
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# Pick one of these to set what ASM is generated...
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GENERATE.rsyscall=\
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echo creating ${.TARGET} && \
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printf '${GEN_PREFIX}\nRSYSCALL(${.PREFIX})\n'
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GENERATE.rsyscall_noerr=\
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echo creating ${.TARGET} && \
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printf '${GEN_PREFIX}\nPSEUDO_NOERROR(${.PREFIX},${.PREFIX})\n'
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GENERATE.pseudo=\
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echo creating ${.TARGET} && \
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printf '${GEN_PREFIX}\nPSEUDO(${.PREFIX},${.PREFIX:S/^_//})\n'
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GENERATE.pseudo_noerr=\
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echo creating ${.TARGET} && \
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printf '${GEN_PREFIX}\nPSEUDO_NOERROR(${.PREFIX},${.PREFIX:S/^_//})\n'
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GENERATE.rsyscall_hidden=\
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echo creating ${.TARGET} && \
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printf '${GEN_PREFIX}\nRSYSCALL_HIDDEN(${.PREFIX:S/^_//})\n'
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# ...and one of these to control how it's compiled
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FINISH= ${COMPILE.S} ${CFLAGS:M-[ID]*} ${CFLAGS:M-pipe} ${AINC} -P -x assembler-with-cpp - ${DFLAGS} -MF ${.TARGET:R}.d
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FINISH.po=${FINISH} -o ${.TARGET}.o -DPROF && ${TRIM.debug}
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FINISH.so=${FINISH} -o ${.TARGET} ${PICFLAG}
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FINISH.do=${FINISH} -o ${.TARGET}.o ${DIST_CFLAGS} && ${TRIM}
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FINISH.o =${FINISH} -o ${.TARGET}.o && ${TRIM}
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# Use those to generate the desired syscall stubs
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${PASM}: ; @${GENERATE.rsyscall} | ${FINISH.po}
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${SASM}: ; @${GENERATE.rsyscall} | ${FINISH.so}
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${DASM}: ; @${GENERATE.rsyscall} | ${FINISH.do}
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${ASM}: ; @${GENERATE.rsyscall} | ${FINISH.o}
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${PASM_NOERR}: ; @${GENERATE.rsyscall_noerr} | ${FINISH.po}
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${SASM_NOERR}: ; @${GENERATE.rsyscall_noerr} | ${FINISH.so}
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${DASM_NOERR}: ; @${GENERATE.rsyscall_noerr} | ${FINISH.do}
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${ASM_NOERR}: ; @${GENERATE.rsyscall_noerr} | ${FINISH.o}
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${PPSEUDO}: ; @${GENERATE.pseudo} | ${FINISH.po}
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${SPSEUDO}: ; @${GENERATE.pseudo} | ${FINISH.so}
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${DPSEUDO}: ; @${GENERATE.pseudo} | ${FINISH.do}
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${PSEUDO}: ; @${GENERATE.pseudo} | ${FINISH.o}
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${PPSEUDO_NOERR}: ; @${GENERATE.pseudo_noerr} | ${FINISH.po}
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${SPSEUDO_NOERR}: ; @${GENERATE.pseudo_noerr} | ${FINISH.so}
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${DPSEUDO_NOERR}: ; @${GENERATE.pseudo_noerr} | ${FINISH.do}
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${PSEUDO_NOERR}: ; @${GENERATE.pseudo_noerr} | ${FINISH.o}
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${PHIDDEN}: ; @${GENERATE.rsyscall_hidden} | ${FINISH.po}
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${SHIDDEN}: ; @${GENERATE.rsyscall_hidden} | ${FINISH.so}
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${DHIDDEN}: ; @${GENERATE.rsyscall_hidden} | ${FINISH.do}
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${HIDDEN}: ; @${GENERATE.rsyscall_hidden} | ${FINISH.o}
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MAN+= __get_tcb.2 __thrsigdivert.2 __thrsleep.2 _exit.2 accept.2 \
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access.2 acct.2 adjfreq.2 adjtime.2 bind.2 brk.2 chdir.2 \
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chflags.2 chmod.2 chown.2 chroot.2 clock_gettime.2 close.2 \
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closefrom.2 connect.2 dup.2 execve.2 fcntl.2 fhopen.2 flock.2 \
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fork.2 fsync.2 futex.2 getentropy.2 getdents.2 getdtablecount.2 \
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getfh.2 getfsstat.2 getgid.2 getgroups.2 getitimer.2 getlogin.2 \
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getpeername.2 getpgrp.2 getpid.2 getpriority.2 getrlimit.2 \
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getrtable.2 getrusage.2 getsid.2 getsockname.2 getsockopt.2 \
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getthrid.2 getthrname.2 gettimeofday.2 getuid.2 \
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intro.2 ioctl.2 issetugid.2 \
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kbind.2 kill.2 kqueue.2 ktrace.2 link.2 listen.2 lseek.2 madvise.2 \
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mimmutable.2 minherit.2 mkdir.2 mkfifo.2 mknod.2 mlock.2 \
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mlockall.2 mmap.2 mount.2 mprotect.2 mquery.2 msyscall.2 msgctl.2 \
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msgget.2 msgrcv.2 msgsnd.2 msync.2 munmap.2 nanosleep.2 \
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nfssvc.2 open.2 pathconf.2 pinsyscall.2 pipe.2 pledge.2 poll.2 \
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profil.2 ptrace.2 quotactl.2 read.2 readlink.2 reboot.2 recv.2 \
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rename.2 revoke.2 rmdir.2 sched_yield.2 select.2 semctl.2 semget.2 \
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semop.2 send.2 setgroups.2 setpgid.2 setregid.2 \
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setresuid.2 setreuid.2 setsid.2 sendsyslog.2 setuid.2 shmat.2 \
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shmctl.2 shmget.2 shutdown.2 sigaction.2 sigaltstack.2 sigpending.2 \
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sigprocmask.2 sigreturn.2 sigsuspend.2 socket.2 \
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socketpair.2 stat.2 statfs.2 swapctl.2 symlink.2 \
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sync.2 sysarch.2 syscall.2 sysctl.2 thrkill.2 truncate.2 \
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umask.2 unlink.2 unveil.2 utimes.2 utrace.2 vfork.2 \
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wait.2 waitid.2 write.2 \
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ypconnect.2
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