Summary:
This flag is on by default for darwin and freebsd, but off for linux.
Without it, clang will sometimes not emit debug info for types like
std::string. Whether it does this, and which tests will fail because of
that depends on the linux distro and c++ library version.
A bunch of tests were already setting these flags manually, but here
instead I take a whole sale approach and enable this flag for all tests.
Any test which does not want to have this flag (right now we have one
such test) can turn it off explicitly via
CFLAGS_EXTRAS+=$(LIMIT_DEBUG_INFO_FLAGS)
This fixes a bunch of data formatter tests on red-hat.
Reviewers: davide, jankratochvil
Subscribers: emaste, aprantl, krytarowski, JDevlieghere, lldb-commits
Differential Revision: https://reviews.llvm.org/D40717
llvm-svn: 319653
Summary:
This test was failing in various configurations on linux in a fairly
unpredictible way. The success depended on whether the c++ abi library
was linked in statically or not and how well was the linker able to
strip parts of it. This introduces additional code to the "dummmy" test
executable, which ensures that all parts of the library needed to
evaluate the expressions are always present.
Reviewers: clayborg
Subscribers: srhines, tatyana-krasnukha, davide, lldb-commits
Differential Revision: https://reviews.llvm.org/D39727
llvm-svn: 317678
this test was using a single makefile to build two executables. This
setup, although not supported by Makefile.rules, happened to
work in most configurations, except when building with the android ndk
r16.
Here I move the building of the second executable to a separate
makefile, which is the solution other tests use for multiple targets.
llvm-svn: 316982
Normal customer devices won't be able to run these tests, we're hoping to get
a public facing bot set up at some point. Both devices pass the testsuite without
any errors or failures.
I have seen some instability with the armv7 test runs, I may submit additional patches
to address this. arm64 looks good.
I'll be watching the bots for the rest of today; if any problems are introduced by
this patch I'll revert it - if anyone sees a problem with their bot that I don't
see, please do the same. I know it's a rather large patch.
One change I had to make specifically for iOS devices was that debugserver can't
create files. There were several tests that launch the inferior process redirecting
its output to a file, then they retrieve the file. They were not trying to test
file redirection in these tests, so I rewrote those to write their output to a file
directly.
llvm-svn: 314132
Normal customer devices won't be able to run these devices, we're hoping to get
a public facing bot set up at some point. Both devices pass the testsuite without
any errors or failures.
I have seen some instability with the armv7 test runs, I may submit additional patches
to address this. arm64 looks good.
I'll be watching the bots for the rest of today; if any problems are introduced by
this patch I'll revert it - if anyone sees a problem with their bot that I don't
see, please do the same. I know it's a rather large patch.
One change I had to make specifically for iOS devices was that debugserver can't
create files. There were several tests that launch the inferior process redirecting
its output to a file, then they retrieve the file. They were not trying to test
file redirection in these tests, so I rewrote those to write their output to a file
directly.
llvm-svn: 314038
Normal customer devices won't be able to run these devices, we're hoping to get
a public facing bot set up at some point.
There will be some smaller follow-on patches. The changes to tools/lldb-server are
verbose and I'm not thrilled with having to skip all of these tests manually.
There are a few places where I'm making the assumption that "armv7", "armv7k", "arm64"
means it's an ios device, and I need to review & clean these up with an OS check
as well. (Android will show up as "arm" and "aarch64" so by pure luck they shouldn't
cause problems, but it's not an assumption I want to rely on).
I'll be watching the bots for the rest of today; if any problems are introduced by
this patch I'll revert it - if anyone sees a problem with their bot that I don't
see, please do the same. I know it's a rather large patch.
One change I had to make specifically for iOS devices was that debugserver can't
create files. There were several tests that launch the inferior process redirecting
its output to a file, then they retrieve the file. They were not trying to test
file redirection in these tests, so I rewrote those to write their output to a file
directly.
llvm-svn: 313932
This test is consistently reporting unexpected pass for me on FreeBSD
10 and 12. It was failing on the old FreeBSD buildbot which has now been
retired for some time. Will investigate further if this fails once a new
buildbot is configured and running tests.
llvm.org/pr17807
llvm-svn: 310626
to make a target, set a source regex breakpoint, run to
the breakpoint and find the thread that hit the breakpoint.
Start the process of replacing the boiler plate with this
routine.
llvm-svn: 307234
This test started being flaky since r303848 (RunThreadPlan: Fix halting
logic in IgnoreBreakpoints = false). I am not reverting that, as I am
confident that actually fixed a problem. A more likely explanation is
that there is still one corner case that is not handled correctly there.
Marking the test as flaky until I get a chance to investigate. I also
mark the test as no-debug-info-dependend -- it stresses expression
evaluation, as far as debug info goes, the test if extremely simple.
llvm-svn: 305286
This is a resubmit of r303732, which was reverted due to a regression.
The original patch caused a regression in TestLoadUnload, which has only showed
up when running the remote test suite. The problem there was that we interrupted
the target just as it has hit the rendezvous breakpoint in the dlopen call. This
meant that the stop reason was set to "breakpoint" even though the event would
not have been broadcast if we had not stopped the process. I fix this by
checking StopInfo->ShouldNotify() before stopping.
I also add a new test for the handling of conditional breakpoints in
expressions, which I noticed to be broken (pr33164)
Differential Revision: https://reviews.llvm.org/D33283
llvm-svn: 303848
Summary:
The function had logic to handle the case when the expression terminated
while we were trying to halt the process, but it failed to take into
account the possibility that the expression stopped because it hit a
breakpoint. This was caused by the fact that the handling of the stopped
events was duplicated for the "halting" and regular cases (the regular
case handled this situation correctly). I've tried to merge these two
cases into one to make sure they stay in sync.
I should call out that the two cases were checking whether the thread
plan has completed in slightly different ways. I am not sure what is the
difference between them, but I think the check should be the same in
both cases, whatever it is, so I just took the one from the regular
case, as that is probably more tested.
For the test, I modified TestUnwindExpression to run the expression with
a smaller timeout (this is how I found this bug originally). With a 1ms
one thread timeout, the test failed consistently without this patch.
Reviewers: jingham
Subscribers: lldb-commits
Differential Revision: https://reviews.llvm.org/D33283
llvm-svn: 303732
Summary:
I have found a way to segfault lldb in 7 keystrokes! Steps to reproduce:
1) Launch lldb
2) Type `print` and hit enter. lldb will now prompt you to type a list of
expressions, followed by an empty line.
3) Hit enter, indicating the end of your input.
4) Segfault!
After some investigation, I've found the issue in Host/common/Editline.cpp.
Editline::MoveCursor() relies on m_input_lines not being empty when the `to`
argument is CursorPosition::BlockEnd. This scenario, as far as I can tell,
occurs in one specific instance: In Editline::EndOrAddLineCommand() when the
list of lines being processed contains exactly one string (""). Meeting this
condition is fairly simple, I have posted steps to reproduce above.
Reviewers: krytarowski, zturner, labath
Reviewed By: labath
Subscribers: scott.smith, lldb-commits
Differential Revision: https://reviews.llvm.org/D32421
Patch by Alex Langford.
llvm-svn: 302225
This allows debugging of the JIT and other analyses of the internals of the
expression parser. I've also added a testcase that verifies that the setting
works correctly when off and on.
llvm-svn: 282434
*** to conform to clang-format’s LLVM style. This kind of mass change has
*** two obvious implications:
Firstly, merging this particular commit into a downstream fork may be a huge
effort. Alternatively, it may be worth merging all changes up to this commit,
performing the same reformatting operation locally, and then discarding the
merge for this particular commit. The commands used to accomplish this
reformatting were as follows (with current working directory as the root of
the repository):
find . \( -iname "*.c" -or -iname "*.cpp" -or -iname "*.h" -or -iname "*.mm" \) -exec clang-format -i {} +
find . -iname "*.py" -exec autopep8 --in-place --aggressive --aggressive {} + ;
The version of clang-format used was 3.9.0, and autopep8 was 1.2.4.
Secondly, “blame” style tools will generally point to this commit instead of
a meaningful prior commit. There are alternatives available that will attempt
to look through this change and find the appropriate prior commit. YMMV.
llvm-svn: 280751
This change adds the capability of building test inferiors
with the -gmodules flag to enable module debug info support.
Windows is excluded per @zturner.
Reviewers: granata.enrico, aprantl, zturner, labath
Subscribers: zturner, labath, lldb-commits
Differential Revision: http://reviews.llvm.org/D19998
llvm-svn: 270848
TestCallUserAnonTypedef.py and TestIRInterpreter.py fail to limitation of JIT expressions in handling hard float ABI targets.
TestBSDArchives.py fails due to python unicode error.
TestBuiltinTrap.py fails due to wrong line information generated by some gcc versions.
llvm-svn: 270745
There is flakiness somewhere in the core infrastructure on Windows,
so to get the buildbot reliably green we need to mark all tests
as flaky.
llvm-svn: 270460
TestTopLevelExprs fails on arm and aarch64 linux similar to behaviour on android.
A bug exists here: llvm.org/pr27787.
This patch marks xfail on arm and aarch64.
llvm-svn: 269980
Remove XFAIL from some tests that now pass.
Add XFAIL to some tests that now fail.
Fix a crasher where a null pointer check isn't guarded.
Properly handle all types of errors in SymbolFilePDB.
llvm-svn: 269454
This allows expressions such as 'i == 1 || i == 2` to be executed using the IR interpreter, instead of relying on JIT code injection (which may not be available on some platforms).
Patch by cameron314
Differential Revision: http://reviews.llvm.org/D19124
llvm-svn: 269340
There's an open bug with calling functions in the inferior. And Windows doesn't have the POSIX function getpid().
Differential Revision: http://reviews.llvm.org/D19626
llvm-svn: 267800
This fixes several test case failure on s390x caused by the fact that
on this platform, the default "char" type is unsigned.
- In ClangASTContext::GetBuiltinTypeForEncodingAndBitSize we should return
an explicit *signed* char type for encoding eEncodingSint and bit size 8,
instead of the default platform char type (which may be unsigned).
This fix matches existing code in ClangASTContext::GetIntTypeFromBitSize,
and fixes the TestClangASTContext.TestBuiltinTypeForEncodingAndBitSize
unit test case.
- The test/expression_command/char/TestExprsChar.py test case is known to
fail on platforms defaulting to unsigned char (pr23069), and just needs
to be xfailed on s390x like on arm.
- The test/functionalities/watchpoint/watchpoint_on_vectors/main.c test
case defines a vector of "char" and implicitly assumes to be signed.
Use an explicit "signed char" instead.
Differential Revision: http://reviews.llvm.org/D18979
llvm-svn: 266309
quietly apply fixits for those who really trust clang's fixits.
Also, moved the retry into ClangUserExpression::Evaluate, where I can make a whole new ClangUserExpression
to do the work. Reusing any of the parts of a UserExpression in situ isn't supported at present.
<rdar://problem/25351938>
llvm-svn: 264793
Top-level Clang expressions are expressions that act as new translation units,
and define their own symbols. They do not have function wrappers like regular
expressions do, and declarations are persistent regardless of use of the dollar
sign in identifiers. Names defined by these are given priority over all other
symbol lookups.
This patch adds a new expression option, '-p' or '--top-level,' which controls
whether the expression is treated this way. It also adds a flag controlling
this to SBExpressionOptions so that this API is usable externally. It also adds
a test that validates that this works. (The test requires a fix to the Clang
AST importer which I will be committing shortly.)
<rdar://problem/22864976>
llvm-svn: 264662
This feature is controlled by an expression command option, a target property and the
SBExpressionOptions setting. FixIt's are only applied to UserExpressions, not UtilityFunctions,
those you have to get right when you make them.
This is just a first stage. At present the fixits are applied silently. The next step
is to tell the user about the applied fixit.
<rdar://problem/25351938>
llvm-svn: 264379
This removes the following decorators:
* skipIfI386
* expectedFailureI386
* expectedFailurex86_64
* skipIfArch
* skipUnlessArch
* skipUnlessI386
And other related decorators. All code using those decorators
is updated to use expectedFailureAll and skipIf
llvm-svn: 260178
expectedFailureWindows is equivalent to using the general
expectedFailureAll decorator with oslist="windows". Additionally,
by moving towards these common decorators we can solve the issue
of having to support decorators that can be called with or without
arguments. Once all decorators are always called with arguments,
and this is enforced by design (because you can't specify the condition
you're decorating for without passing an argument) the implementation
of the decorators can become much simpler
Differential Revision: http://reviews.llvm.org/D16936
llvm-svn: 260134
This doesn't attempt to move every decorator. The reason for
this is that it requires touching every single test file to import
decorators.py. I would like to do this in a followup patch, but
in the interest of keeping the patches as bite-sized as possible,
I've only attempted to move the underlying common decorators first.
A few tests call these directly, so those tests are updated as part
of this patch.
llvm-svn: 259807
Patch by Nitesh Jain.
Summary: When incorrect type used for 'char' then (at least) one of the expression evaluates to incorrect value. Please refer to bug llvm.org/pr23069
Reviewers: ovyalov, clayborg
Subscribers: lldb-commits, mohit.bhakkad, sagar, bhushan, jaydeep
Differential: reviews.llvm.org/D16132
llvm-svn: 258684
Starting with Windows 10, the Windows loader is itself multi-threaded,
meaning that the loader spins up a few threads to do process
initialization before it executes main. Windows delivers these
notifications asynchronously and they can come out of order, so
we can't be sure that the first thread we get a notification about
is actually the zero'th thread.
This patch fixes this by requesting the thread stopped at the
breakpoint that was specified, rather than getting thread 0 and
verifying that it is stopped at a breakpoint.
Differential Revision: http://reviews.llvm.org/D16247
llvm-svn: 258432
Summary:
DWARF 5 proposes a reinvented .debug_macro section. This change follows
that spec.
Currently, only GCC produces the .debug_macro section and hence
the added test is annottated with expectedFailureClang.
Reviewers: spyffe, clayborg, tberghammer
Subscribers: lldb-commits
Differential Revision: http://reviews.llvm.org/D15437
llvm-svn: 255729
This is a resubmit of r254403, see that commit's message for context. This fixes an issue in the
original commit, where we would incorrectly interrupt the process if the interrupt request came
just as we were about to send the stopped event to the public.
llvm-svn: 254902
Summary:
The following situation was occuring in TestAttachResume:
- we did a "continue" from a breakpoint (which involves a private start-stop to step over the
breakpoint)
- after receiving the stop-reply from the step-over, we issue a "detach" (which requires a
process interrupt)
- at this moment, the public state is "running", private state is "about-to-be-stopped" (the
stopped event was broadcast, but it was not received yet)
- StopForDestroyOrDetach (public thread) notes the public state is running, sends an interrupt
request to the private thread
- private thread gets the eBroadcastBitInterrupt (before the eStateStopped message), and asks the
process plugin to stop (via Halt())
- process plugin says it has nothing to do as the process is already stopped
- private thread shrugs and carries on. receives the stop event, restores the breakpoint and
resumes the process.
- after a while, the public thread times out and says it failed to stop the process
This patch does the following:
- splits Halt() into two functions, private and public, their usage depends on the context
- public Halt(): sends eBroadcastBitInterrupt to the private thread and waits for the Stop
event
- HaltPrivate(): asks the plugin to stop and makes a note that the halt was requested. When the
next stop event comes it sets the interrupt flag on it.
- removes HijackPrivateProcessEvents(), as the only user (old Halt()) has gone away
- removes the m_currently_handling_event hack, as the new Halt() does not need it
- adds a use_run_lock parameter to public Halt() and WaitForProcessToStop(). This was needed
because RunThreadPlan uses Halt() while holding the run lock and we don't want Halt() to take
it away from him.
Reviewers: clayborg, jingham
Subscribers: lldb-commits
Differential Revision: http://reviews.llvm.org/D14989
llvm-svn: 254403
Summary:
- Reason of both bugs:
1. For the very first frame, Unwinder doesn't check the validity
of Full UnwindPlan before creating StackFrame from it:
When 'process launch' command is run after setting a breakpoint
in inferior, the Unwinder runs and saves only Frame 0 (the frame
in which breakpoint was set) in thread's StackFrameList i.e.
m_curr_frames_sp. However, it doesn't check the validity of the
Full UnwindPlan for this frame by unwinding 2 more frames further.
2. Unwinder doesn't update the CFA value of Cursor when Full UnwindPlan
fails and FallBack UnwindPlan succeeds in providing valid CFA values
for frames:
Sometimes during unwinding of stack frames, the Full UnwindPlan
inside the RegisterContextLLDB object may fail to provide valid
CFA values for these frames. Then the Fallback UnwindPlan is used
to unwind the frames.
If the Fallback UnwindPlan succeeds, then it provides a valid new
CFA value. The RegisterContextLLDB::m_cfa field of Cursor object
is updated during the Fallback UnwindPlan execution. However,
UnwindLLDB misses the implementation to update the 'cfa' field
of this Cursor with this valid new CFA value.
- This patch fixes both these issues.
- Remove XFAIL in test files corresponding to these 2 Bugs
Change-Id: I932ea407545ceee2d628f946ecc61a4806d4cc86
Signed-off-by: Abhishek Aggarwal <abhishek.a.aggarwal@intel.com>
Reviewers: jingham, lldb-commits, jasonmolenda
Subscribers: lldb-commits, ovyalov, tberghammer
Differential Revision: http://reviews.llvm.org/D14226
llvm-svn: 253026
This module was originally intended to be imported by top-level
scripts to be able to find the LLDB packages and third party
libraries. Packages themselves shouldn't need to import it,
because by the time it gets into the package, the top-level
script should have already done this. Indeed, it was just
adding the same values to sys.path multiple times, so this
patch is essentially no functional change.
To make sure it doesn't get re-introduced, we also delete the
`use_lldb_suite` module from `lldbsuite/test`, although the
original copy still remains in `lldb/test`
llvm-svn: 251963
For convenience, we had added the folder that dotest.py was in
to sys.path, so that we could easily write things like
`import lldbutil` from anywhere and any test. This introduces
a subtle problem when using Python's package system, because when
unittest2 imports a particular test suite, the test suite is detached
from the package. Thus, writing "import lldbutil" from dotest imports
it as part of the package, and writing the same line from a test
does a fresh import since the importing module was not part of
the same package.
The real way to fix this is to use absolute imports everywhere. Instead
of writing "import lldbutil", we need to write "import
lldbsuite.test.util". This patch fixes up that and all other similar
cases, and additionally removes the script directory from sys.path
to ensure that this can't happen again.
llvm-svn: 251886
This is the conclusion of an effort to get LLDB's Python code
structured into a bona-fide Python package. This has a number
of benefits, but most notably the ability to more easily share
Python code between different but related pieces of LLDB's Python
infrastructure (for example, `scripts` can now share code with
`test`).
llvm-svn: 251532
