Commit Graph

459 Commits

Author SHA1 Message Date
Jim Ingham e5ee6f04ab Figure out what the fixed expression is, and print it. Added another target setting to
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
2016-03-29 22:00:08 +00:00
Sean Callanan 863fab69a2 Expose top-level Clang expressions via the command line and the API.
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
2016-03-28 21:20:05 +00:00
Enrico Granata 3c110dd6b4 Fix an issue with nested aliases where the help system wouldn't correctly track the fact that an alias is an alias to a dash-dash alias
(and I hope I typed the word 'alias' enough times in this commit message :-)

llvm-svn: 264468
2016-03-25 21:59:06 +00:00
Jim Ingham a1e541bf9f Use Clang's FixItHints to correct expressions with "trivial" mistakes (e.g. "." for "->".)
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
2016-03-25 01:57:14 +00:00
Stephane Sezer c5273d929f Make File option flags consistent for Python API
Summary:
Fixes SBCommandReturnObject::SetImmediateOutputFile() and
SBCommandReturnObject::SetImmediateOutputFile() for files opened
with "a" or "a+" by resolving inconsistencies between File and
our Python parsing of file objects.

Reviewers: granata.enrico, Eugene.Zelenko, jingham, clayborg

Subscribers: lldb-commits, sas

Differential Revision: http://reviews.llvm.org/D18228

Change by Francis Ricci <fjricci@fb.com>

llvm-svn: 264351
2016-03-24 22:22:20 +00:00
Enrico Granata 3cf9ff12c5 Make 'type lookup' print an error message instead of complete radio silence when it can't find a type matching user input
It would be fun to make it provide suggestions (e.g. 'can't find NString, did you mean NSString instead?'), but this worries me a little bit on the account of just how thorough of a type system scan it would have to do

llvm-svn: 264343
2016-03-24 21:32:39 +00:00
Kuba Brecka 6a83143650 Add ThreadSanitizer debugging support.
This patch adds ThreadSanitizer support into LLDB:
- Adding a new InstrumentationRuntime plugin, ThreadSanitizerRuntime, in the same way ASan is implemented.
- A breakpoint stops in `__tsan_on_report`, then we extract all sorts of information by evaluating an expression. We then populate this into StopReasonExtendedInfo.
- SBThread gets a new API, SBThread::GetStopReasonExtendedBacktraces(), which returns TSan’s backtraces in the form of regular SBThreads. Non-TSan stop reasons return an empty collection.
- Added some test cases.

Reviewed by Greg Clayton.

llvm-svn: 264162
2016-03-23 15:36:22 +00:00
Enrico Granata d033e1cef5 Change 'apropos' such that it doesn't look into the "long help/syntax" strings for commands
This solves issues such as 'apropos foo' returning valid matches just because syntax examples happen to use 'foo' as a placeholder token

Fixes rdar://9043025

llvm-svn: 264123
2016-03-23 01:21:55 +00:00
Enrico Granata 660764a060 Fix a bug caused by my alias refactoring where, if an alias was defined in terms of another alias, trying to run the nested command would actually cause a crash in the command interpreter
llvm-svn: 264096
2016-03-22 21:07:54 +00:00
Zachary Turner 190fadcdb2 Unicode support on Win32.
Win32 API calls that are Unicode aware require wide character
strings, but LLDB uses UTF8 everywhere.  This patch does conversions
wherever necessary when passing strings into and out of Win32 API
calls.

Patch by Cameron
Differential Revision: http://reviews.llvm.org/D17107
Reviewed By: zturner, amccarth

llvm-svn: 264074
2016-03-22 17:58:09 +00:00
Sean Callanan 579e70c9b0 Add a DiagnosticManager replace error streams in the expression parser.
We want to do a better job presenting errors that occur when evaluating
expressions. Key to this effort is getting away from a model where all
errors are spat out onto a stream where the client has to take or leave
all of them.

To this end, this patch adds a new class, DiagnosticManager, which
contains errors produced by the compiler or by LLDB as an expression
is created. The DiagnosticManager can dump itself to a log as well as
to a string. Clients will (in the future) be able to filter out the
errors they're interested in by ID or present subsets of these errors
to the user.

This patch is not intended to change the *users* of errors - only to
thread DiagnosticManagers to all the places where streams are used. I
also attempt to standardize our use of errors a bit, removing trailing
newlines and making clients omit 'error:', 'warning:' etc. and instead
pass the Severity flag.

The patch is testsuite-neutral, with modifications to one part of the
MI tests because it relied on "error: error:" being erroneously
printed. This patch fixes the MI variable handling and the testcase.

<rdar://problem/22864976>

llvm-svn: 263859
2016-03-19 00:03:59 +00:00
Pavel Labath d3fe3aa57f Switch from unittest2.expectedFailure to our own decorator on TestSTL
the main reason is that our decorator contains extra fluff to "expect" crashes (which seem to
happen occasionaly on the android buildbot).

llvm-svn: 263633
2016-03-16 10:39:33 +00:00
Pavel Labath beb4676118 Mark an LLGS test as flaky
cause: Async output arrival over pty
llvm-svn: 263631
2016-03-16 09:58:34 +00:00
Pavel Labath 78fc483980 [test] Persist packets between expect_gdbremote_sequence invocations
Summary:
Some tests (Hc_then_Csignal_signals_correct_thread, at least) were sending a "continue" packet in
one expect_gdbremote_sequence invocation, and "expecting" the stop-reply in another call. This
posed a problem, because the were packets were not persisted between the two invocations, and if
the stub was exceptionally fast to respond, the packet would be received in the first invocation
(where it would be ignored) and then the second invocation would fail because it could not find
the packet.

Since doing matching in two invocations seems like a reasonable use of the packet pump, instead
of fixing the test, I make sure the packet_pump supports this usage by making the list of
captured packets persistent.

Reviewers: tfiala

Subscribers: lldb-commits

Differential Revision: http://reviews.llvm.org/D18140

llvm-svn: 263629
2016-03-16 09:44:49 +00:00
Pavel Labath 39aab4d606 Fix thread/process ID reading from linux core files
Summary:
This also adds a basic smoke test for linux core file reading. I'm checking in the core files as
well, so that the tests can run on all platforms. With some tricks I was able to produce
reasonably-sized core files (~40K).

This fixes the first part of pr26322.

Reviewers: zturner

Subscribers: lldb-commits

Differential Revision: http://reviews.llvm.org/D18176

llvm-svn: 263628
2016-03-16 09:19:57 +00:00
Enrico Granata ab2b0cb992 On some platforms, the compiler is allowed to assume that BOOL == bool. On others, BOOL == signed char.
This can cause differences in which bit patterns end up meaning YES or NO. In general, however, 0 == NO and 1 == YES.

To keep it simple, LLDB will now show "YES" and "NO" only for 1 and 0 respectively, and format other values as the plain numeric value instead.

Fixes rdar://24809994

llvm-svn: 263604
2016-03-15 23:38:04 +00:00
Enrico Granata 35f94bb72c Make it so that the data formatter for NSError can see through a variable of type NSError**. Fixes rdar://25060684
llvm-svn: 263603
2016-03-15 23:20:10 +00:00
Ewan Crawford fae4363265 Add regression test for expressions calling functions taking anonymous struct typedef arguments
This CL adds a regression test for the bug listed at https://llvm.org/bugs/show_bug.cgi?id=26790
Functionality was implemented in commit r263544

Author: Luke Drummond <luke.drummond@codeplay.com>
Differential Revision: http://reviews.llvm.org/D17777

llvm-svn: 263547
2016-03-15 13:02:11 +00:00
Enrico Granata cdbac99551 Add some test coverage for the changes in alias help
llvm-svn: 263520
2016-03-15 01:43:00 +00:00
Ed Maste 5af4d20372 Enable expectedFailure for all Clang versions in TestRegisterVariables
In r262970 this was changed from xfail Clang < 3.5 to > 3.5, but it
still fails on FreeBSD 10's system Clang 3.4.1 so assume it fails on
all versions.

llvm.org/pr26937

llvm-svn: 263467
2016-03-14 18:59:44 +00:00
Pavel Labath 56673749d2 [test] Correctly retry connections on android targets
Summary:
Normally, when the remote stub is not ready, we will get ECONNREFUSED during the connect()
attempt. However, due to the way how ADB forwarding works, on android targets the connect() will
always be successful, but the connection will be immediately dropped if ADB could not connect on
the remote side. This commit tries to detect this situation, and report it as "connection
refused" so that the upper test layers attempt the connection again.

Reviewers: tfiala, tberghammer

Subscribers: tberghammer, danalbert, srhines, lldb-commits

Differential Revision: http://reviews.llvm.org/D18146

llvm-svn: 263439
2016-03-14 15:33:25 +00:00
Pavel Labath 392408cfc8 Extend XFlaky in TestProcessIO to linux as well
The test sometimes fails on local linux as well. The cause is the same.

llvm-svn: 263421
2016-03-14 11:19:39 +00:00
Jim Ingham e78ca659d6 Remove the skip if Darwin since I fixed the crash.
llvm-svn: 263283
2016-03-11 19:15:03 +00:00
Marianne Mailhot-Sarrasin 7a4eed280a Fixed MemoryCache L1 cache flush
Use the same method to find the cache line as in Read().

Differential Revision: http://reviews.llvm.org/D18050

llvm-svn: 263233
2016-03-11 13:50:10 +00:00
Todd Fiala 91b4bd4b12 skip newly segfaulting test on OS X public CI
llvm-svn: 263205
2016-03-11 08:12:36 +00:00
Marianne Mailhot-Sarrasin 82a827de3b Fixed ValueObject::GetExpressionPath() for paths including anonymous struct/union
When the parent of an expression is anonymous, skip adding '.' or '->' before the expression name.

Differential Revision: http://reviews.llvm.org/D18005

llvm-svn: 263166
2016-03-10 22:10:59 +00:00
Adrian McCarthy 396e02a6e3 Eliminate the TestStarted-XXX and TestFinished-XXX files from check-lldb runs.
Nobody seems to know what purpose these files serve, yet they were accumulating by the thousands in the test traces directory.  I'm proposing we delete them.

Creating these files accounted for about 2.5% of the time to run ninja check-lldb on my machine, which isn't a lot, but it's something.

llvm-svn: 263122
2016-03-10 15:41:11 +00:00
Siva Chandra aaae5f87af [DWARFASTParserClang] Start with member offset of 0 for members of union types.
Summary:
GCC does not emit DW_AT_data_member_location for members of a union.
Starting with a 0 value for member locations helps is reading union types
in such cases.

Reviewers: clayborg

Subscribers: ldrumm, lldb-commits

Differential Revision: http://reviews.llvm.org/D18008

llvm-svn: 263085
2016-03-10 01:15:17 +00:00
Siva Chandra b8d6db258e [TestRegisterVariables] Adjust compiler range in expected failure decorator.
Subscribers: lldb-commits

Differential Revision: http://reviews.llvm.org/D17972

llvm-svn: 262970
2016-03-09 00:02:00 +00:00
Sean Callanan bbde9083ad Made self.expect() errors a little more readable in the testsuite.
self.expect() had two problems:

- If there was a substrs argument, then it overwrote the variable containing
  the command to run with the last substr.  That meant nonsense command text in
  testsuite errors.

- The actual output is not printed, which makes fixing testsuite failures a bit
  annoying (you end up having to use the -tv arguments to dotest).

This fixes both of these issues.  We could do even better, pretty-printing the
criteria for "correct" output, but this at least makes dealing with errors a bit
better.

llvm-svn: 262950
2016-03-08 18:58:48 +00:00
Adrian Prantl 6aeba89e89 Support floating point values in 128-bit SSE vector registers
The System-V x86_64 ABI requires floating point values to be passed
in 128-but SSE vector registers (xmm0, ...). When printing such a
variable this currently yields an <invalid load address>.

This patch makes LLDB's DWARF expression evaluator accept 128-bit
registers as scalars. It also relaxes the check that the size of the
result of the DWARF expression be equal to the size of the variable to a
greater-than. DWARF defers to the ABI how smaller values are being placed
in a larger register.

Implementation note: I found the code in Value::SetContext() that changes
the m_value_type after the fact to be questionable. I added a sanity check
that the Value's memory buffer has indeed been written to (this is
necessary, because we may have a scalar value in a vector register), but
really I feel like this is the wrong place to be setting it.

Reviewed by Greg Clayton.

http://reviews.llvm.org/D17897
rdar://problem/24944340

llvm-svn: 262947
2016-03-08 18:35:09 +00:00
Jim Ingham 583bbb1dd4 Change over the broadcaster/listener process to hold shared or weak pointers
to each other.  This should remove some infrequent teardown crashes when the
listener is not the debugger's listener.

Processes now need to take a ListenerSP, not a Listener&.

This required changing over the Process plugin class constructors to take a ListenerSP, instead
of a Listener&.   Other than that there should be no functional change.
 
<rdar://problem/24580184> CrashTracer: [USER] Xcode at …ework: lldb_private::Listener::BroadcasterWillDestruct + 39

llvm-svn: 262863
2016-03-07 21:50:25 +00:00
Mohit K. Bhakkad 8f47909a8e [LLDB][MIPS] Fix TestDisassembleBreakpoint
Patch by Nitesh Jain

Reviewers: clayborg, jaydeep.
Subscribers: bhushan, mohit.bhakkad, sagar, lldb-commits.
Differential Revision: http://reviews.llvm.org/D17597

llvm-svn: 262819
2016-03-07 09:12:49 +00:00
Pavel Labath 21d12f5aa3 Add a log statement
llvm-svn: 262715
2016-03-04 12:43:05 +00:00
Pavel Labath 19f937ae92 Resumbit "Fetch remote log files from LLGS tests"
The problem with the original patch (and my first attempt to fix) was that the value debug
monitor flags could persist from one test to another. Resetting the value in the setUp() function
fixes the problem.

llvm-svn: 262713
2016-03-04 11:27:00 +00:00
Tamas Berghammer b0b1ea36e7 Add reverse file remapping for breakpoint set
LLDB can remap a source file to a new directory based on the
"target.sorce-map" to handle the usecase when the source code moved
between the compliation and the debugging. Previously the remapping
was only used to display the content of the file. This CL fixes the
scenario when a breakpoint is set based on the new an absolute path
with adding an inverse remapping step before looking up the breakpoint
location.

Differential revision: http://reviews.llvm.org/D17848

llvm-svn: 262711
2016-03-04 11:26:44 +00:00
Pavel Labath c6ba6ae209 Revert "Fetch remote log files from LLGS tests"
Even after the last fixup, there still seems to be one failure left. Revert until I figure out
what is going on.

llvm-svn: 262622
2016-03-03 15:19:14 +00:00
Pavel Labath 13ce8cd6bc Fix OSX breakage caused by r262597
llvm-svn: 262602
2016-03-03 10:39:24 +00:00
Pavel Labath 6be1f9dc3b Fetch remote log files from LLGS tests
Summary:
this enables download of remote log files for llgs and debugserver tests (previously we were just
passing the host file name which obviously did not work). Note this also changes the debugserver
logging to work only when logging has been requested on the command line, whereas previously it
would log unconditionally. I can change it back if anyone is relying on this, but I thought I'd
make this consistent.

Reviewers: tfiala

Subscribers: lldb-commits

Differential Revision: http://reviews.llvm.org/D17798

llvm-svn: 262597
2016-03-03 09:02:52 +00:00
Pavel Labath 0ddfde44ce Slightly improve logging in LLGS tests
we're sometimes getting an exception here, and I want to see why...

llvm-svn: 262333
2016-03-01 14:04:41 +00:00
Enrico Granata 46d4aa211f When 'help' cannot find a command, produce additional help text that also points the user to the apropos and type lookup commands
This is useful in cases such as, e.g.

(lldb) help NSString
(the user meant type lookup)

or

(lldb) help kill
(the user is looking for process kill)

Fixes rdar://24868537

llvm-svn: 262271
2016-02-29 23:22:53 +00:00
Adrian McCarthy 536183275d Fix TestInlines.py on Windows
The inlining semantics for C and C++ are different, which affects the test's expectation of the number of times the function should appear in the binary.  In the case of this test, C semantics means there should be three instances of inner_inline, while C++ semantics means there should be only two.

On Windows, clang uses C++ inline semantics even for C code, and there doesn't seem to be a combination of compiler flags to avoid this.

So, for consistency, I've recast the test to use C++ everywhere.  Since the test resided under lang/c, it seemed appropriate to move it to lang/cpp.

This does not address the other XFAIL for this test on Linux/gcc.  See https://llvm.org/bugs/show_bug.cgi?id=26710

Differential Revision: http://reviews.llvm.org/D17650

llvm-svn: 262255
2016-02-29 21:13:29 +00:00
Pavel Labath 6a291dee2b Revert a part of "Add/Improve complex, vector, aggregate types handling for SysV ARM (hard/soft) ABI."
This partially reverts commit r262218.

The commit added additional checks to a test case. The test case is too big so it's not feasible
to XFAIL it completely. Suggest to implement the checks as a separate test case, which can then
be XFAILed more surgically.

llvm-svn: 262223
2016-02-29 14:26:45 +00:00
Omair Javaid ef77ace9ae Add/Improve complex, vector, aggregate types handling for SysV ARM (hard/soft) ABI.
For details see:

Differential revision: http://reviews.llvm.org/D17708

llvm-svn: 262218
2016-02-29 13:39:20 +00:00
Sagar Thakur ba04ed4128 [LLDB][MIPS] Fix TestInferiorAssert.py for MIPS
Patch by Nitesh Jain.

Summary: The debug version of libc.so is require for backtracing which may not be available on all platforms.

Reviewers: ovyalov, clayborg
Subscribers: zturner, lldb-commits, mohit.bhakkad, sagar, bhushan, jaydeep
Differential: http://reviews.llvm.org/D17131
llvm-svn: 262011
2016-02-26 13:30:34 +00:00
Oleksiy Vyalov e4ff8ec649 Make TestPlatformProcessConnect to support abstract/domain sockets.
llvm-svn: 261974
2016-02-26 04:01:58 +00:00
Jim Ingham 970bb9e0ec Add the "block" keyword to "thread step-in -e", and an alias that uses it: "sif <target function>" - i.e. step-into-function
to allow you to step through a complex calling sequence into a particular function that may span multiple lines.  Also some
test cases for this and the --step-target feature.

llvm-svn: 261953
2016-02-26 01:37:30 +00:00
Adrian McCarthy 17dd4fe27b XFail TestInlines.py on Windows with clang.
Test expects the breakpoint to resolve to three locations, but clang on windows yields only 2.

llvm.org/pr26710

llvm-svn: 261810
2016-02-25 00:24:07 +00:00
Adrian McCarthy 0a750820a3 Get register context for the 32-bit process in a WoW64 process minidump
32-bit processes on 64-bit Windows run in a layer called WoW64 (Windows-on-Windows64). If you capture a mini dump of such a process from a 32-bit debugger, you end up with a register context for the 64-bit WoW64 process rather than the 32-bit one you probably care about.

This detects WoW64 by looking to see if there's a module named wow64.dll loaded. For such processes, it then looks in the 64-bit Thread Environment Block (TEB) to locate a copy of the 32-bit CONTEXT record that the plugin needs for the register context.

Added some rudimentary tests.  I'd like to improve these later once we figure out how to get the exception information from these mini dumps.

Differential Revision: http://reviews.llvm.org/D17465

llvm-svn: 261808
2016-02-25 00:23:27 +00:00
Zachary Turner cbb1bf983b xfail case sensitivity test on Linux.
There are two tests in this file.  One which only runs on Windows
and tests that you can set a breakpoint with mismatched case.  And
another that only runs on non-Windows and tests that you cannot set
a breakpoint with mismatched case.  This latter test is failing on
non Windows platforms for some reason.  It could be that the test
is just written incorrectly, as I think the actual functionality
actually works correctly on non-Windows platforms.

llvm-svn: 261800
2016-02-24 22:41:04 +00:00