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Revision tags: v6.2.1, v6.2.0, v6.3.0, v6.0.1, v6.0.0, v6.0.0rc1, v6.1.0, v5.8.3, v5.8.2, v5.8.1, v5.8.0, v5.9.0, v5.8.0rc1, v5.6.3, v5.6.2, v5.6.1, v5.6.0, v5.6.0rc1, v5.7.0, v5.4.3 |
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| #
50caca1a |
| 12-May-2019 |
Matthew Dillon <dillon@apollo.backplane.com> |
rtld-elf - Notify thread state to optimize relocations
* Add shims to allow libthread_xu to notify rtld when threading
is being used.
* Requires weak symbols in libc which are overriden by rtld-e
rtld-elf - Notify thread state to optimize relocations
* Add shims to allow libthread_xu to notify rtld when threading
is being used.
* Requires weak symbols in libc which are overriden by rtld-elf.
* Implement the feature in rtld-elf and use it to avoid making calls
to lwp_gettid(). When threaded, use tls_get_tcb() (which does not
require a system call) instead of lwp_gettid(). When not threaded,
just use a constant.
NOTE: We cannot use tls_get_tcb() unconditionally because the tcb
is not setup during early relocations. So do this whack-a-mole
to make it work.
* This leaves just the sigprocmask wrappers around rtld-elf (which
are needed to prevent stacked relocations from signal handlers).
Poked-by: mjg
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Revision tags: v5.4.2, v5.4.1, v5.4.0, v5.5.0, v5.4.0rc1, v5.2.2, v5.2.1, v5.2.0, v5.3.0, v5.2.0rc, v5.0.2, v5.0.1 |
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| #
e19be507 |
| 02-Nov-2017 |
Matthew Dillon <dillon@apollo.backplane.com> |
rtld - Add fork hooks for libthread_xu to install
* Add fork hooks for libthread_xu to install. rtld must acquire its
locks exclusively during a fork, and then release them after the
fork is co
rtld - Add fork hooks for libthread_xu to install
* Add fork hooks for libthread_xu to install. rtld must acquire its
locks exclusively during a fork, and then release them after the
fork is complete, to prevent the fork() from catching the locks in
a bad state. See libthread_xu.
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Revision tags: v5.0.0, v5.0.0rc2, v5.1.0, v5.0.0rc1, v4.8.1, v4.8.0, v4.6.2, v4.9.0, v4.8.0rc, v4.6.1, v4.6.0, v4.6.0rc2, v4.6.0rc, v4.7.0, v4.4.3, v4.4.2, v4.4.1, v4.4.0, v4.5.0, v4.4.0rc, v4.2.4, v4.3.1, v4.2.3, v4.2.1, v4.2.0, v4.0.6, v4.3.0, v4.2.0rc, v4.0.5, v4.0.4, v4.0.3, v4.0.2 |
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| #
7a6072cc |
| 30-Nov-2014 |
John Marino <draco@marino.st> |
rtld: Add a postinit debugger hook
FreeBSD's dtrace(1) uses this hook to halt the "victim" process before its
entry point is called, at which point probes and DOF data are registered
with the kernel
rtld: Add a postinit debugger hook
FreeBSD's dtrace(1) uses this hook to halt the "victim" process before its
entry point is called, at which point probes and DOF data are registered
with the kernel. The r_debg_state hook cannot be used for this purpose,
as it is called before the program's init routines are invoked and in
particular before ODF is registered. It may or may not be useful for
DragonFly by itself, but if dtrace every comes in, rtld will be ready.
Taken from: FreeBSD svn 265456 (6 May 2014)
FreeBSD svn 265578 (7 May 2014)
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Revision tags: v4.0.1, v4.0.0, v4.0.0rc3, v4.0.0rc2, v4.0.0rc, v4.1.0, v3.8.2, v3.8.1, v3.6.3, v3.8.0, v3.8.0rc2, v3.9.0, v3.8.0rc, v3.6.2, v3.6.1, v3.6.0, v3.7.1, v3.6.0rc, v3.7.0, v3.4.3 |
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| #
f03f3171 |
| 13-Jun-2013 |
John Marino <draco@marino.st> |
rtld: Sync 7/7 - Use symbol versioning instead of exports mapping
Now that DragonFly has the symbol versioning framework in place, rtld
can leverage it by offloading the symbol export duties to it.
rtld: Sync 7/7 - Use symbol versioning instead of exports mapping
Now that DragonFly has the symbol versioning framework in place, rtld
can leverage it by offloading the symbol export duties to it. This
further reduces differences between FreeBSD and DragonFly linkers.
Keeping the exports table up to date after FreeBSD removed it was extra
work.
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