rtld: introduce PRELOAD_FDS

(cherry picked from commit f90218886fc82e7b1fdb9e241adc5d713dadabe3)

Increase WARNS for rtld-elf tests

ATF tests have a default WARNS of 0, unlike other usermode programs.

Reviewed by: ngie, julian
MFC after: 3 weeks
Sponsored by: Spectra Logic Corporation
Diffe

Increase WARNS for rtld-elf tests

ATF tests have a default WARNS of 0, unlike other usermode programs.

Reviewed by: ngie, julian
MFC after: 3 weeks
Sponsored by: Spectra Logic Corporation
Differential Revision: https://reviews.freebsd.org/D9933

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Merge ^/user/ngie/release-pkg-fix-tests to unbreak how test files are installed
after r298107

Summary of changes:

- Replace all instances of FILES/TESTS with ${PACKAGE}FILES. This ensures that
na

Merge ^/user/ngie/release-pkg-fix-tests to unbreak how test files are installed
after r298107

Summary of changes:

- Replace all instances of FILES/TESTS with ${PACKAGE}FILES. This ensures that
namespacing is kept with FILES appropriately, and that this shouldn't need
to be repeated if the namespace changes -- only the definition of PACKAGE
needs to be changed
- Allow PACKAGE to be overridden by callers instead of forcing it to always be
`tests`. In the event we get to the point where things can be split up
enough in the base system, it would make more sense to group the tests
with the blocks they're a part of, e.g. byacc with byacc-tests, etc
- Remove PACKAGE definitions where possible, i.e. where FILES wasn't used
previously.
- Remove unnecessary TESTSPACKAGE definitions; this has been elided into
bsd.tests.mk
- Remove unnecessary BINDIRs used previously with ${PACKAGE}FILES;
${PACKAGE}FILESDIR is now automatically defined in bsd.test.mk.
- Fix installation of files under data/ subdirectories in lib/libc/tests/hash
and lib/libc/tests/net/getaddrinfo
- Remove unnecessary .include <bsd.own.mk>s (some opportunistic cleanup)

Document the proposed changes in share/examples/tests/tests/... via examples
so it's clear that ${PACKAGES}FILES is the suggested way forward in terms of
replacing FILES. share/mk/bsd.README didn't seem like the appropriate method
of communicating that info.

MFC after: never probably
X-MFC with: r298107
PR: 209114
Relnotes: yes
Tested with: buildworld, installworld, checkworld; buildworld, packageworld
Sponsored by: EMC / Isilon Storage Division

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Fix build race after r295643.

Sponsored by: EMC / Isilon Storage Division

First pass to fix the 'tests' packages.

Sponsored by: The FreeBSD Foundation

Refactor the test/ Makefiles after recent changes to bsd.test.mk (r289158) and
netbsd-tests.test.mk (r289151)

- Eliminate explicit OBJTOP/SRCTOP setting
- Convert all ad hoc NetBSD test integration

Refactor the test/ Makefiles after recent changes to bsd.test.mk (r289158) and
netbsd-tests.test.mk (r289151)

- Eliminate explicit OBJTOP/SRCTOP setting
- Convert all ad hoc NetBSD test integration over to netbsd-tests.test.mk
- Remove unnecessary TESTSDIR setting
- Use SRCTOP where possible for clarity

MFC after: 2 weeks
Sponsored by: EMC / Isilon Storage Divison

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Remove unnecessary .PATH directive

All of the sources for the tests are contained in the
current working directory and the subdirectories

Phabric: D537
Reviewed by: jmmv
Approved by: jmmv (mentor)

Remove unnecessary .PATH directive

All of the sources for the tests are contained in the
current working directory and the subdirectories

Phabric: D537
Reviewed by: jmmv
Approved by: jmmv (mentor)
Sponsored by: EMC / Isilon Storage Division

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Remove hardcoded path to TESTSDIR (Makefile, ld_library_pathfds.c) at
build time by using atf_tc_get_config_var(tc, "srcdir"))

This will allow end-users to move the binaries to different locations
a

Remove hardcoded path to TESTSDIR (Makefile, ld_library_pathfds.c) at
build time by using atf_tc_get_config_var(tc, "srcdir"))

This will allow end-users to move the binaries to different locations
after they've been built without having to rebuild the binaries with
the new paths

Phabric: D525 (part of a larger patch)

Reviewed by: jmmv
Approved by: jmmv (co-mentor)

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Test RTLD's new LD_LIBRARY_PATH_FDS variable.

Test LD_LIBRARY_PATH_FDS by linking a binary that requires a shared
library that isn't in any of the usual search paths. Ensure this fails
when we don'

Test RTLD's new LD_LIBRARY_PATH_FDS variable.

Test LD_LIBRARY_PATH_FDS by linking a binary that requires a shared
library that isn't in any of the usual search paths. Ensure this fails
when we don't supply LD_LIBRARY_PATH_FDS or we pass invalid information
in it. Ensure it works when we pass the correct directory in various
places in the variable.

Approved by: rwatson (mentor)
MFC after: 3 weeks
Sponsored by: DARPA/AFRL

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