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10 Commits

Author SHA1 Message Date
Siva Chandra Reddy 107ce71849 [libc] Use real objects and archives in integration tests. 
Previously, we used empty, non-ELF crti.o, crtn.o, libm.a and libc++.a
files. Instead, we now still use dummies but they are real ELF object
files and archives.
 2022-03-24 07:02:33 +00:00
Siva Chandra Reddy 7fdb50c813 [libc] Add a new rule add_integration_test. 
All existing loader tests are switched to an integration test added with
the new rule. Also, the getenv test is now enabled as an integration test.

All loader tests have been moved to test/integration. Also, the simple
checker library for the previous loader tests has been moved to a
separate directory of its own.

A follow up change will perform more cleanup of the loader CMake rules
to eliminate now redundent options.

Reviewed By: lntue, michaelrj

Differential Revision: https://reviews.llvm.org/D122266
 2022-03-23 20:57:29 +00:00
Guillaume Chatelet 7c2ece523d [libc] Normalize LIBC_TARGET_MACHINE 
Current implementation defines LIBC_TARGET_MACHINE with the use of CMAKE_SYSTEM_PROCESSOR.
Unfortunately CMAKE_SYSTEM_PROCESSOR is OS dependent and can produce different results.
An evidence of this is the various matchers used to detect whether the architecture is x86.

This patch normalizes LIBC_TARGET_MACHINE and renames it LIBC_TARGET_ARCHITECTURE.
I've added many architectures but we may want to limit ourselves to x86 and ARM.

Differential Revision: https://reviews.llvm.org/D101524
 2021-05-05 15:52:42 +00:00
Siva Chandra Reddy fd3295fb6f [libc] Skip entrypoints not present in the entrypoints list. 
Summary:
If a test depends on a skipped entrypoint, then the test is also
skipped. This setup will be useful as we gradually add support for
more operating systems and target architectures.

Reviewers: asteinhauser

Differential Revision: https://reviews.llvm.org/D81489
 2020-06-09 14:40:28 -07:00
Siva Chandra Reddy 7f12512db2 [libc][Take 2] Propagate entrypoint deps to downstream targets. 
This reverts commit a8086ba4ac.
Setting couple of target properties to an empty string was missed in the
previous commit.
 2020-04-21 10:29:09 -07:00
Siva Chandra Reddy a8086ba4ac [libc] Revert "Propagate entrypoint deps to downstream targets." 
This reverts commit 20cb440ea2 as the
target llvmlibc seems to be failing on the bots.
 2020-04-21 10:10:18 -07:00
Siva Chandra Reddy 20cb440ea2 [libc] Propagate entrypoint deps to downstream targets. 
Deps are recrusively evaluated at the place they are needed. With this
change, one does not have to list recursive deps of entrypoints when
listing test targets. One will still have to explicitly list all
entrypoint objects when setting up an "add_entrypoint_library" target.

Reviewers: abrachet

Differential Revision: https://reviews.llvm.org/D78537
 2020-04-21 09:58:55 -07:00
Siva Chandra Reddy e4767a6f14 [libc] Add fully-qualified target names. 
Only targets setup by the special LLVM libc rules now have fully
qualified names. The naming style is similar to fully qualified names in
Python.

Reviewers: abrachet, PaulkaToast, phosek

Differential Revision: https://reviews.llvm.org/D77340
 2020-04-10 18:01:52 -07:00
Siva Chandra Reddy 51b899c846 [libc] Extend add_object rule to handle helper object libraries. 
The rule is now called add_object_library.

Reviewers: abrachet

Differential Revision: https://reviews.llvm.org/D76826
 2020-03-28 00:07:46 -07:00
Siva Chandra Reddy f6ccb4fef2 [libc] Add a simple x86_64 linux loader. 
This adds a very simple loader. This will be extended to a full loader
in future patches. A utility rule to add unittests has been added to
serve us while we are building out the full loader.

Reviewers: abrachet, phosek

Differential Revision: https://reviews.llvm.org/D76412
 2020-03-25 10:12:35 -07:00