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Differential D44239

libsys: make __libsys_interposing static
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Authored by brooks on Mar 5 2024, 9:51 PM.
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kib
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rGef5fddd3440c: libsys: make __libsys_interposing static
Summary

Access libsys_interposing with libsys_interposing_slot() in all
cases to support a move of these functions back to libc.

Diff Detail

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rG FreeBSD src repository
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Event Timeline

brooks created this revision.Mar 5 2024, 9:51 PM
Herald added a subscriber: imp. · View Herald TranscriptMar 5 2024, 9:51 PM
brooks requested review of this revision.Mar 5 2024, 9:51 PM
Harbormaster completed remote builds in B56463: Diff 135429.Mar 5 2024, 9:51 PM
brooks added a parent revision: D44238: libsys: don't expose sigwait wrapper.Mar 5 2024, 9:51 PM
brooks added a child revision: D44241: lib{c,sys}: return wrapped syscall APIs to libc.
kib accepted this revision.Mar 6 2024, 8:52 AM

But may be __libc_interposing_slot() would serve same, if not better?

This revision is now accepted and ready to land.Mar 6 2024, 8:52 AM
brooks updated this revision to Diff 135661.Mar 12 2024, 9:00 PM
  • Access all interposing slots via __libc_interposing_slot()
  • Actually dereference the slots rather than trying to jump to data...
This revision now requires review to proceed.Mar 12 2024, 9:00 PM
Harbormaster completed remote builds in B56556: Diff 135661.Mar 12 2024, 9:00 PM
kib accepted this revision.Mar 13 2024, 12:01 AM
This revision is now accepted and ready to land.Mar 13 2024, 12:01 AM
Closed by commit rGef5fddd3440c: libsys: make __libsys_interposing static (authored by brooks). · Explain WhyMar 13 2024, 6:37 PM
This revision was automatically updated to reflect the committed changes.
brooks added a commit: rGef5fddd3440c: libsys: make __libsys_interposing static.

Revision Contents
Changeset List

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Diff 135707

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lib/libc/gen/libc_interposing_table.c

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lib/libc/gen/sleep.c

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lib/libc/gen/usleep.c

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lib/libc/include/libc_private.h

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lib/libsys/accept.c

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lib/libsys/accept4.c

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lib/libsys/aio_suspend.c

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lib/libsys/clock_nanosleep.c

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lib/libsys/close.c

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lib/libsys/connect.c

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lib/libsys/creat.c

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lib/libsys/fcntl.c

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lib/libsys/fdatasync.c

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lib/libsys/fork.c

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lib/libsys/fsync.c

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lib/libsys/interposing_table.c

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lib/libsys/kevent.c

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lib/libsys/lockf.c

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lib/libsys/msync.c

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lib/libsys/nanosleep.c

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lib/libsys/open.c

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lib/libsys/openat.c

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lib/libsys/pdfork.c

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lib/libsys/poll.c

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lib/libsys/ppoll.c

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lib/libsys/pselect.c

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lib/libsys/read.c

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lib/libsys/readv.c

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lib/libsys/recv.c

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lib/libsys/recvfrom.c

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lib/libsys/recvmsg.c

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lib/libsys/select.c

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lib/libsys/send.c

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lib/libsys/sendmsg.c

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lib/libsys/sendto.c

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lib/libsys/setcontext.c

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lib/libsys/sigaction.c

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lib/libsys/sigprocmask.c

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lib/libsys/sigsuspend.c

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lib/libsys/sigtimedwait.c

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lib/libsys/sigwait.c

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lib/libsys/sigwaitinfo.c

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lib/libsys/swapcontext.c

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lib/libsys/wait.c

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lib/libsys/wait3.c

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lib/libsys/wait4.c

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lib/libsys/wait6.c

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lib/libsys/waitid.c

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lib/libsys/waitpid.c

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lib/libsys/write.c

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lib/libsys/writev.c

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