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The original patch got reverted because it broke `check-lldb` on a clean
build. This fixes that.
llvm-svn: 374201
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as it appears to have broken check-lldb.
This reverts r374184 (git commit 22314179f0660c172514b397060fd8f34b586e82)
llvm-svn: 374187
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LLDB has three major testing strategies: unit tests, tests that exercise
the SB API though dotest.py and what we currently call lit tests. The
later is rather confusing as we're now using lit as the driver for all
three types of tests. As most of this grew organically, the directory
structure in the LLDB repository doesn't really make this clear.
The 'lit' tests are part of the root and among these tests there's a
Unit and Suite folder for the unit and dotest-tests. This layout makes
it impossible to run just the lit tests.
This patch changes the directory layout to match the 3 testing
strategies, each with their own directory and their own configuration
file. This means there are now 3 directories under lit with 3
corresponding targets:
- API (check-lldb-api): Test exercising the SB API.
- Shell (check-lldb-shell): Test exercising command line utilities.
- Unit (check-lldb-unit): Unit tests.
Finally, there's still the `check-lldb` target that runs all three test
suites.
Finally, this also renames the lit folder to `test` to match the LLVM
repository layout.
Differential revision: https://reviews.llvm.org/D68606
llvm-svn: 374184
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On Linux, a QEnvironment packet is sent for every environment variable.
This breaks replay when the number of environment variables is different
then during capture. The solution is to always reply with OK.
llvm-svn: 356643
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Tablegen doesn't support options that are both flags and take values as
an argument. I noticed this when doing the tablegen rewrite, but forgot
that that affected the reproducer --capture flag.
This patch makes --capture a flag and adds --capture-path to specify a
path for the reproducer. In reality I expect this to be mostly used for
testing, but it could be useful nonetheless.
Differential revision: https://reviews.llvm.org/D59238
llvm-svn: 355936
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Now that the LLDB instrumentation macros are in place, we should use
that to test reproducer replay.
Differential revision: https://reviews.llvm.org/D58565
llvm-svn: 355470
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This patch adds the file provider which is responsible for capturing
files used by LLDB.
When capturing a reproducer, we use a file collector that is very
similar to the one used in clang. For every file that we touch, we add
an entry with a mapping from its virtual to its real path. When we
decide to generate a reproducer we copy over the files and their
permission into to reproducer folder.
When replaying a reproducer, we load the VFS mapping and instantiate a
RedirectingFileSystem. The latter will transparently use the files
available in the reproducer.
I've tested this on two macOS machines with an artificial example.
Still, it is very likely that I missed some places where we (still) use
native file system calls. I'm hoping to flesh those out while testing
with more advanced examples. However, I will fix those things in
separate patches.
Differential revision: https://reviews.llvm.org/D54617
llvm-svn: 352538
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This patch changes the way the reproducer is initialized. Rather than
making changes at run time we now do everything at initialization time.
To make this happen we had to introduce initializer options and their SB
variant. This allows us to tell the initializer that we're running in
reproducer capture/replay mode.
Because of this change we also had to alter our testing strategy. We
cannot reinitialize LLDB when using the dotest infrastructure. Instead
we use lit and invoke two instances of the driver.
Another consequence is that we can no longer enable capture or replay
through commands. This was bound to go away form the beginning, but I
had something in mind where you could enable/disable specific providers.
However this seems like it adds very little value right now so the
corresponding commands were removed.
Finally this change also means you now have to control this through the
driver, for which I replaced --reproducer with --capture and --replay to
differentiate between the two modes.
Differential revision: https://reviews.llvm.org/D55038
llvm-svn: 348152
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