Commit Graph

1545 Commits

Author SHA1 Message Date
George Rimar c6c7bfc4d2 [LLDB] - Improved DWARF5 support.
This patch improves the support of DWARF5.
Particularly the reporting of source code locations.

Differential revision: https://reviews.llvm.org/D51935

llvm-svn: 342153
2018-09-13 17:06:47 +00:00
Jonas Devlieghere bf2d112c15 [DWARFExpression] Read literars as unsigned values.
After landing r341457, we started seeing a failure on the swift-lldb
bots. The change was correct and pretty straightforward, a DW_OP_constu
was replaced with DW_OP_lit23, the value remaining identical.

  0x000000f4: DW_TAG_variable
		DW_AT_location    (0x00000000
		  [0x0000000100000a51,  0x0000000100000d47): DW_OP_lit23, DW_OP_stack_value)
		DW_AT_name        ("number")

However, this broke LLDB.

  (Int) number = <extracting data from value failed>

The value was read correctly, but apparently the value's type was different.
When reading a constu it was reading a uint64 (m_type = e_ulonglong) while for
the literal, it got a signed int (m_type = e_sint). This change makes sure we
read the value as an unsigned.

Differential revision: https://reviews.llvm.org/D51730

llvm-svn: 342142
2018-09-13 15:18:39 +00:00
Jason Molenda 9d0f9ced40 Commit my attempt to test the change to ProcessGDBRemote
in r336956.  This test doesn't actually test the change
that was submitted by Venkata, but it's a good one to
add.

llvm-svn: 342085
2018-09-12 21:35:02 +00:00
Raphael Isemann 10fb677285 Add a basic test for 'memory region'
Summary:
The 'memory region' command is at the moment not tested at all by our test suite.
This patch just adds a basic test that at least provides some basic testing.

Reviewers: #lldb, davide

Reviewed By: #lldb, davide

Subscribers: vsk, davide, lldb-commits

Differential Revision: https://reviews.llvm.org/D51930

llvm-svn: 342042
2018-09-12 10:04:25 +00:00
Davide Italiano ae3f793e9e Rollback "Fix raw address breakpoints not resolving".
It broke a bunch of bots. Ted confirmed, but can't revert for
now so I'm reverting on his behalf.

llvm-svn: 341878
2018-09-10 23:09:09 +00:00
Ted Woodward 860bafa07d Fix raw address breakpoints not resolving
Summary: An address breakpoint of the form "b 0x1000" won't resolve if it's created while the process isn't running. This patch deletes Address::SectionWasDeleted, renames Address::SectionWasDeletedPrivate to SectionWasDeleted (and makes it public), and changes the section check in Breakpoint::ModulesChanged back to its original form

Reviewers: jingham, #lldb

Reviewed By: jingham

Subscribers: davide, lldb-commits

Differential Revision: https://reviews.llvm.org/D51816

llvm-svn: 341849
2018-09-10 18:19:01 +00:00
Adrian Prantl 4954f6a565 Print column info in backtraces et al. if available
This patch allows LLDB to print column info in backtraces et al. if
available, which is useful when the backtrace contains a frame like
the following:

  f(can_crash(0), can_crash(1));

Differential Revision: https://reviews.llvm.org/D51661

llvm-svn: 341506
2018-09-05 23:52:08 +00:00
Pavel Labath 89d2245a2a Ignore unicode decode errors in test suite's encoded_file class
These happen in a couple of tests when lldb tries to pretty print a
const char * variable in the inferior which points to garbage. Instead,
we have the python replace the invalid sequences with the unicode
replacement character.

llvm-svn: 341274
2018-09-01 12:15:46 +00:00
Pavel Labath 332447f4b4 Avoid using short identifiers in some tests
This applies the same workaround  as r321271 to other tests. The root
problem is that lldb finds an internal symbol with the same name in the
debug info of system libraries, and then fails to disambiguate between
the two.

llvm-svn: 341235
2018-08-31 18:25:01 +00:00
Pavel Labath 8b0853a6da XFail one more VSCode test which fails under heavy load
llvm-svn: 341186
2018-08-31 08:31:27 +00:00
Pavel Labath a95c33f600 Fix deadlock in gdb-client tests
Using a listen queue of length 0 caused a deadlock on my machine in the
gdb-client tests while attempting to establish the loopback socket
connection.

I am not sure if this is down to a different python or kernel version,
but in either case, having queue of length zero sounds like a bad idea,
so I'm bumping that to one (which also fixes the deadlock).

llvm-svn: 341096
2018-08-30 19:14:02 +00:00
Raphael Isemann 7482973411 Added initial code completion support for the `expr` command
Summary:
This patch adds initial code completion support for the `expr` command.

We now have a completion handler in the expression CommandObject that
essentially just attempts to parse the given user expression with Clang with
an attached code completion consumer. We filter and prepare the
code completions provided by Clang and send them back to the completion
API.

The current completion is limited to variables that are in the current scope.
This includes local variables and all types used by local variables. We however
don't do any completion of symbols that are not used in the local scope (or
in some other way already in the ASTContext).

This is partly because there is not yet any code that manually searches for additiona
information in the debug information. Another cause is that for some reason the existing
code for loading these additional symbols when requested by Clang doesn't seem to work.
This will be fixed in a future patch.

Reviewers: jingham, teemperor

Reviewed By: teemperor

Subscribers: labath, aprantl, JDevlieghere, friss, lldb-commits

Differential Revision: https://reviews.llvm.org/D48465

llvm-svn: 341086
2018-08-30 17:29:37 +00:00
Adrian Prantl 431b158400 Support setting a breakpoint by FileSpec+Line+Column in the SBAPI.
This patch extends the SBAPI to allow for setting a breakpoint not
only at a specific line, but also at a specific (minimum) column. When
a column is specified, it will try to find an exact match or the
closest match on the same line that comes after the specified
location.

Differential Revision: https://reviews.llvm.org/D51461

llvm-svn: 341078
2018-08-30 15:11:00 +00:00
Raphael Isemann 207863261c Move the column marking functionality to the Highlighter framework
Summary:
The syntax highlighting feature so far is mutually exclusive with the lldb feature
that marks the current column in the line by underlining it via an ANSI color code.
Meaning that if you enable one, the other is automatically disabled by LLDB.

This was caused by the fact that both features inserted color codes into the the
source code and were likely to interfere with each other (which would result
in a broken source code printout to the user).

This patch moves the cursor code into the highlighting framework, which provides
the same feature to the user in normal non-C source code. For any source code
that is highlighted by Clang, we now also have cursor marking for the whole token
that is under the current source location. E.g., before we underlined only the '!' in the
expression '1 != 2', but now the whole token '!=' is underlined. The same for function
calls and so on. Below you can see two examples where we before only underlined
the first character of the token, but now underline the whole token.

{F7075400}
{F7075414}

It also simplifies the DisplaySourceLines method in the SourceManager as most of
the code in there was essentially just for getting this column marker to work as
a FormatEntity.

Reviewers: aprantl

Reviewed By: aprantl

Subscribers: lldb-commits

Differential Revision: https://reviews.llvm.org/D51466

llvm-svn: 341003
2018-08-30 00:09:21 +00:00
Frederic Riss ae6ca2fc3f Allow IRInterpreter to deal with non-power-of-2 sized types to support some bitfield accesses.
Summary:
For some bitfield patterns (like the one added by this commit), Clang will
generate non-regular data types like i24 or i48. This patch follows a
pretty naive approach of just bumping the type size to the next power of 2.
DataExtractor know how to deal with weird sizes. The operations on Scalar
do not know how to deal with those types though, so we have to legalize the
size when creating a Scalar.

Reviewers: jingham, clayborg

Subscribers: lldb-commits

Differential Revision: https://reviews.llvm.org/D51245

llvm-svn: 340880
2018-08-28 22:50:01 +00:00
Pavel Labath 1f8639afa6 Respect platform sysroot when loading core files
Patch by Eugene Birukov <eugenebi@microsoft.com>
Differential Revision: https://reviews.llvm.org/D49685

llvm-svn: 340841
2018-08-28 16:32:46 +00:00
Frederic Riss 314614ad4f Disable exceptions for TestDataFormatterLibcxxOptional.py
On macOS, some of the <optional> APIs used by the test are available only
starting on macOS 10.14 when using exceptions. Build the test with
-fno-exceptions so that the test builds on older systems too.

rdar://problem/43700544

llvm-svn: 340676
2018-08-25 01:25:24 +00:00
Stella Stamenova 04acc99db8 [vscode] Skip some of the vscode tests on Linux and fix one
Summary: These are already skipped on Darwin because they cause build bot failures. Both on the build bots as well as in our testing we have seen a number of these tests fail and hang. This change skips the failing/hanging tests on Linux and also fixes one of the test - the test needs the thread library to build.

Reviewers: asmith, clayborg, aprantl

Subscribers: teemperor, lldb-commits

Differential Revision: https://reviews.llvm.org/D51227

llvm-svn: 340658
2018-08-24 21:42:53 +00:00
Adrian Prantl 252ed741b2 Change xfail to skipIf. The exact condition is really difficult to get
right and doesn't add much signal.

llvm-svn: 340574
2018-08-23 21:08:30 +00:00
Adrian Prantl 4e3bd78a80 XFAIL test for older versions of clang
llvm-svn: 340573
2018-08-23 21:00:37 +00:00
Raphael Isemann 778b308eb9 Fix broken builtin functions in the expression command
Summary:
Calling any non-libc builtin function in the expression command currently just causes Clang
to state that the function is not known. The reason for this is that we actually never
initialize the list of builtin functions in the Builtin::Context.

This patch just calls the initializer for the builtins in the preprocessor. Also adds some tests
for the new builtins.

It also gets rid of the extra list of builtins in the ClangExpressionParser, as we can just reuse
the existing list in the Preprocessor for the ASTContext. Having just one list of builtins around
is also closer to the standard Clang behavior.

Reviewers: #lldb, vsk

Reviewed By: vsk

Subscribers: sgraenitz, clayborg, vsk, lldb-commits

Differential Revision: https://reviews.llvm.org/D50481

llvm-svn: 340571
2018-08-23 20:40:45 +00:00
Adrian Prantl 315334be05 XFAIL test for older versions of dsymutil
llvm-svn: 340550
2018-08-23 17:30:56 +00:00
Adrian Prantl 6b58fa7120 Add libc++ data formatter for std::function
- Added LibcxxFunctionSummaryProvider
- Removed LibcxxFunctionFrontEnd
- Modified data formatter tests to test new summary functionality

Patch by Shafik Yaghmour!

Differential Revision: https://reviews.llvm.org/D50864

llvm-svn: 340543
2018-08-23 17:02:39 +00:00
Adrian Prantl 95f21584a9 lldbtest.py: Unconditionally set the clang module cache path.
This should fix the errors observable on the new lldb-cmake bot.

llvm-svn: 340293
2018-08-21 16:13:37 +00:00
Adrian Prantl cd9f68ec05 Makefile.rules: Use an absolute path to the module cache directory.
This change is NFC, but it makes it more obvious in log files what happened.

llvm-svn: 340286
2018-08-21 15:46:15 +00:00
Greg Clayton c1f10e34ed Skip tests on Darwin for now. The build bots are not passing due to heavy load and poor machines.
llvm-svn: 340112
2018-08-18 00:33:15 +00:00
Greg Clayton f6e36ee83e Skip the lldb-vscode attach with waitFor test for now, some build bots are having trouble.
llvm-svn: 340077
2018-08-17 20:42:06 +00:00
Greg Clayton a75fad4fa4 Change the attach test case to use self.assertEqual so we can get more info on what is going wrong on test bots.
Also add a cleanup function to remove the copied binary.

llvm-svn: 340050
2018-08-17 17:27:53 +00:00
Vedant Kumar 33ed57eebd [dotest] Make --test-subdir work with --no-multiprocess
The single-process test runner is invoked in a number of different
scenarios, including when multiple test dirs are specified or (afaict)
when lit is used to drive the test suite.

Unfortunately the --test-subdir option did not work with the single
process test runner, breaking an important use case (using lit to run
swift-lldb Linux tests):

  Failure URL: https://ci.swift.org/job/swift-PR-Linux/6841

We won't be able to run lldb tests within swift PR testing without
filtering down the set of tests.

This change makes --test-subdir work with the single-process runner.

llvm-svn: 339929
2018-08-16 19:56:38 +00:00
Vedant Kumar 642de8a088 Disable two flaky pexpect-backed tests on Darwin
These tests are sporadically timing out on our bots, e.g here:

  https://ci.swift.org/job/swift-PR-Linux/6841

llvm-svn: 339914
2018-08-16 18:18:16 +00:00
Greg Clayton 2f5cf8511a Add a new tool named "lldb-vscode" that implements the Visual Studio Code Debug Adaptor Protocol
This patch adds a new lldb-vscode tool that speaks the Microsoft Visual Studio Code debug adaptor protocol. It has full unit tests that test all packets.

This tool can be easily packaged up into a native extension and used with Visual Studio Code, and it can also be used by Nuclide

Differential Revision: https://reviews.llvm.org/D50365

llvm-svn: 339911
2018-08-16 17:59:38 +00:00
Jim Ingham 8a5d7a2784 Fix a little thinko in generating ___lldb_unnamed_symbol symbols
when we have only an in-memory copy of the binary.

Also added a test for the generation of these symbols in the 
in-memory and regular cases.

<rdar://problem/43160401>

llvm-svn: 339833
2018-08-15 23:10:32 +00:00
Adrian Prantl c53d36847e Add libc++ data formatters for std::optional.
Patch by Shafik Yaghmour!

This reapplies an earlier version after addressing some post-commit feedback.

Differential Revision: https://reviews.llvm.org/D49271

llvm-svn: 339828
2018-08-15 22:48:48 +00:00
Jason Molenda 858162f972 Update TestTargetXMLArch.py test for llvm triple change with unspecified
components in r339294.

llvm-svn: 339615
2018-08-13 21:20:29 +00:00
Stella Stamenova 98b75bec71 [tests, libstdcxx] Add missing test category on the TestDataFormatterStdUniquePtr tests
Each test needs to be marked with the add_test_categories decorator individually.

llvm-svn: 339457
2018-08-10 17:52:45 +00:00
Raphael Isemann 92be39d382 Added missing null checks to fix r339351
llvm-svn: 339353
2018-08-09 15:57:43 +00:00
Raphael Isemann 879c142130 Also display the output and error output of a failed command
Summary:
Instead of just printing the current "False is not True, ..." message when we
fail to run a certain command, this patch also adds the actual command output or
error output that we received to the assertion message.

Reviewers: davide

Reviewed By: davide

Subscribers: lldb-commits

Differential Revision: https://reviews.llvm.org/D50492

llvm-svn: 339351
2018-08-09 15:29:32 +00:00
Jim Ingham 7aa4ed9b5f If a function starts with line number 0, don't try to check if a breakpoint crossed function boundaries.
clang doesn't use line number 0 (to mean artifically generated code) very often, but swift does it
quite often.  We were rejecting all by line breakpoints in functions that started at line 0.  But that's
a special marker so we can just not do this test in that case.

llvm-svn: 339182
2018-08-07 21:09:55 +00:00
Greg Clayton 19c8f394bc Add support for ARM and ARM64 breakpad generated minidump files (version 2).
In this patch I add support for ARM and ARM64 break pad files. There are two flavors of ARM: Apple where FP is R7, and non Apple where FP is R11. Added minimal tests that load up ARM64 and the two flavors or ARM core files with a single thread and known register values in each register. Each register is checked for the exact value.

This is a fixed version of: https://reviews.llvm.org/D49750

The changes from D49750 are:

Don't init the m_arch in the Initialize call as a system info isn't required. This keeps the thread list, module list and other tests from failing
Added -Wextended-offsetof to Xcode project so we catch use extended usages of offsetof before submission
Fixed any extended offset of warnings

Differential Revision: https://reviews.llvm.org/D50336

llvm-svn: 339032
2018-08-06 16:56:10 +00:00
Pavel Labath 659cee52fc Revert "Add support for ARM and ARM64 breakpad generated minidump files"
This reverts commit r338734 (and subsequent fixups in r338772 and
r338746), because it breaks some minidump unit tests and introduces a
lot of compiler warnings.

llvm-svn: 338828
2018-08-03 08:47:22 +00:00
Stella Stamenova 0faca0f09f [lldbsuite, windows] Mark tests as XFAIL on Windows or skip them
Summary:
1) Several tests that are flakey on windows fail the run even if they are marked as expected to be flakey. This is because they fail frequently enough that even a retry won't help
2) Skip several tests on Windows that will occasionally hang rather than failing or exiting. This is causing the entire test suite to hang

Reviewers: asmith, labath, zturner

Reviewed By: zturner

Differential Revision: https://reviews.llvm.org/D50198

llvm-svn: 338769
2018-08-02 21:26:19 +00:00
Greg Clayton 2d953f22a0 Add support for ARM and ARM64 breakpad generated minidump files
In this patch I add support for ARM and ARM64 break pad files. There are two flavors of ARM: Apple where FP is R7, and non Apple where FP is R11. Added minimal tests that load up ARM64 and the two flavors or ARM core files with a single thread and known register values in each register. Each register is checked for the exact value.

Differential Revision: https://reviews.llvm.org/D49750

llvm-svn: 338734
2018-08-02 16:46:15 +00:00
Raphael Isemann 566afa0ab2 [LLDB] Added syntax highlighting support
Summary:
This patch adds syntax highlighting support to LLDB. When enabled (and lldb is allowed
to use colors), printed source code is annotated with the ANSI color escape sequences.

So far we have only one highlighter which is based on Clang and is responsible for all
languages that are supported by Clang. It essentially just runs the raw lexer over the input
and then surrounds the specific tokens with the configured escape sequences.

Reviewers: zturner, davide

Reviewed By: davide

Subscribers: labath, teemperor, llvm-commits, mgorny, lldb-commits

Tags: #lldb

Differential Revision: https://reviews.llvm.org/D49334

llvm-svn: 338662
2018-08-02 00:30:15 +00:00
Raphael Isemann 8fa58b1d17 Remove unnecessary target from TestCompletion patch
As Jim pointed out, we don't need to manually create a target
here because we already create a target implicitly in the very
next line (which means we just created a target and don't use it).

This patch just removes the line that creates the first unused target.

llvm-svn: 338657
2018-08-01 23:54:37 +00:00
Raphael Isemann 7bb4de47c9 Add the actually calculated completions to COMPLETION_MSG
Summary: Otherwise this assertion message is not very useful to whoever is reading the log.

Subscribers: lldb-commits

Differential Revision: https://reviews.llvm.org/D49947

llvm-svn: 338179
2018-07-27 23:42:34 +00:00
Raphael Isemann d4ff5ba926 Add missing boundary checks to variable completion.
Summary: Stopgap patch to at least stop all the crashes I get from this code.

Subscribers: lldb-commits

Differential Revision: https://reviews.llvm.org/D49949

llvm-svn: 338177
2018-07-27 23:37:08 +00:00
Raphael Isemann 23d7a9ebbe Fix whitespace in the python test suite.
Summary:
The test suite has often unnecessary trailing whitespace, and sometimes
unnecessary trailing lines or a missing final new line. This patch just strips
trailing whitespace/lines and adds missing newlines at the end.

Subscribers: ki.stfu, JDevlieghere, christof, lldb-commits

Differential Revision: https://reviews.llvm.org/D49943

llvm-svn: 338171
2018-07-27 22:20:59 +00:00
Davide Italiano 2d396a912a Revert "Recommit [DataFormatters] Add formatter for C++17 std::optional."
This broke a linux bot which doesn't support -std=c++17. The solution
is to add a decorator to skip these tests on machines with older compilers.

llvm-svn: 338162
2018-07-27 20:38:01 +00:00
Davide Italiano 1d44c46539 Recommit [DataFormatters] Add formatter for C++17 std::optional.
This should have all the correct files now.
<rdar://problem/41471112>
Patch by Shafik Yaghmour.

Differential Revision:  https://reviews.llvm.org/D49271

llvm-svn: 338156
2018-07-27 19:57:30 +00:00
Raphael Isemann 223d921c6a Fix duplicate suggestions after an ambiguous command
Summary:
So far lldb is printing this when it finds an ambiguous command:
```
(lldb) g
Ambiguous command 'g'. Possible matches:
        gdb-remote
        gui
        gdb-remote
        gui
```
The duplicates come from the fact that we call the same query twice with the same parameters
and add it to the same list. This patch just removes the second query call to `GetCommandObject`.

As `GetCommandObject` is const and the name parameter is also not modified, this shouldn't break
anything else. I didn't merge the remaining if statement into the else as I think otherwise the
`if obj==nullptr do X else Y` pattern in there becomes hard to recognize.

Reviewers: davide

Reviewed By: davide

Subscribers: lldb-commits

Differential Revision: https://reviews.llvm.org/D49866

llvm-svn: 338043
2018-07-26 17:14:18 +00:00
Raphael Isemann 6fcc7d703b Don't print two errors for unknown commands.
Summary:
We always print two error messages when we hit an unknown command. As the function
`CommandInterpreter::HandleCommand` that prints the second error message unconditionally called the `CommandInterpreter::ResolveCommandImpl` before (which prints the first error message), we can just remove
that second error message.

Fixes https://bugs.llvm.org/show_bug.cgi?id=38312

Reviewers: labath

Reviewed By: labath

Subscribers: labath, lldb-commits

Differential Revision: https://reviews.llvm.org/D49831

llvm-svn: 338040
2018-07-26 16:32:05 +00:00
Davide Italiano 4b58867d06 Revert "[DataFormatters] Add formatter for C++17 std::optional."
I forgot to git add some files. I'm going to recommit the correct
version at once soon.

llvm-svn: 337963
2018-07-25 21:18:20 +00:00
Davide Italiano 1d4a78ef04 [DataFormatters] Add formatter for C++17 std::optional.
<rdar://problem/41471112>

Patch by Shafik Yaghmour.

Differential Revision:  https://reviews.llvm.org/D49271

llvm-svn: 337959
2018-07-25 20:46:29 +00:00
Alexander Polyakov e2183d508a [lldb-mi] Re-implement data-info-line command.
Summary: Now data-info-line command uses SB API instead of HandleCommand.

Reviewers: aprantl, clayborg, jingham

Reviewed By: aprantl

Subscribers: ki.stfu, lldb-commits

Differential Revision: https://reviews.llvm.org/D49062

llvm-svn: 337689
2018-07-23 13:02:41 +00:00
Jim Ingham 40fa4a1a55 Defend LoadImageUsingPaths against a path list
with empty paths on it.

llvm-svn: 337515
2018-07-20 01:20:18 +00:00
Pavel Labath 7cb4dfb083 Fix TestDataFormatterUnordered for older libc++ versions
clang recently started diagnosing "exception specification in
declaration does not match previous declaration" errors. Unfortunately
old libc++ versions had a bug, where they violated this rule, which
means that tests using this library version now fail due to build
errors.

Since it was easy to work around the bug by compiling this test with
-fno-exceptions, I do that here. If supporting old libc++ versions
becomes a burden, we'll have to revisit this.

llvm-svn: 337173
2018-07-16 14:37:58 +00:00
Jim Ingham c685f6c17f Make these tests c++ tests so they can be skipped on systems that don't support those tests.
llvm-svn: 337058
2018-07-13 22:31:59 +00:00
Jim Ingham 393fe62e33 Fix the libcxx set, multiset, vector and bitset formatters to work on references.
The synthetic child providers for these classes had a type expression that matched
pointers & references to the type, but the Front End only worked on the actual object.

I fixed this by adding a way for the Synthetic Child FrontEnd provider to request dereference,
and then had these formatters use that mode.

<rdar://problem/40849836>

Differential Revision: https://reviews.llvm.org/D49279

llvm-svn: 337035
2018-07-13 19:28:32 +00:00
Frederic Riss 8e04d937b0 Fix TestAttachDenied on macOS Mojave
TestAttachDenied tries to attach to a process that is ptracing itself and
verifies that we error out. Starting with macOS Mojave, processes need
an entitlement to be able to ptrace. This commit adds the entitlement for
the test binary when building on Darwin.

llvm-svn: 337029
2018-07-13 17:45:43 +00:00
Stella Stamenova 7b68fa7fcd [lldbsuite] The test inside TestOverloadedFunctions.py has the wrong class name
Summary: It looks like the test file was copied from TestCPPStaticMethods.py because they have the same name. This means that the two tests will try to write to the same output files and will either overwrite each other's output or occasionally cause failures because they can't both access the same file.

Reviewers: asmith, zturner

Reviewed By: zturner

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D49261

llvm-svn: 336960
2018-07-12 23:02:33 +00:00
Davide Italiano a9d84cb9d8 [IRInterpreter] Fix misevaluation of interpretation expressions with `urem`.
Scalar::MakeUnsigned was implemented incorrectly so it didn't
really change the sign of the type (leaving signed types signed).
This showed up as a misevaluation when IR-interpreting urem but
it's likely to arise in other contexts.

This commit fixes the definition, and adds a test to make
sure this won't regress in future (hopefully).

Fixes rdar://problem/42038760 and LLVM PR38076

Differential Revision:  https://reviews.llvm.org/D49155

llvm-svn: 336872
2018-07-12 00:31:04 +00:00
Raphael Isemann c094d23f6f Allow specifying an exit code for the 'quit' command
Summary:
This patch adds the possibility to specify an exit code when calling quit.
We accept any int, even though it depends on the user what happens if the int is
out of the range of what the operating system supports as exit codes.

Fixes rdar://problem/38452312

Reviewers: davide, jingham, clayborg

Reviewed By: jingham

Subscribers: clayborg, jingham, lldb-commits

Differential Revision: https://reviews.llvm.org/D48659

llvm-svn: 336824
2018-07-11 17:18:01 +00:00
Davide Italiano 87951b6693 [testsuite] Implement a category to skip libstdcxx tests
On systems where it's not supported.
As far as I understand Linux is the only systems which now ships
with libstdcxx (maybe NetBSD?, but I'm not entirely sure of the
state of lldb on the platform).
We could make this more fine grained looking for the header as
we do for libcxx. This is a little tricky as there's no such
thing as /usr/include/c++/v1, but libstdcxx encodes the version
number in the path (i.e. /usr/include/c++/5.4). I guess we might
match a regex, but it seems fragile to me.

Differential Revision:  https://reviews.llvm.org/D49110

llvm-svn: 336724
2018-07-10 20:37:24 +00:00
Davide Italiano ec34220f5c Rollback [test-suite] Add a decorator for the lack of libstdcxx on the system.
Pavel suggested an alternative approach that I'll try to implement.

llvm-svn: 336608
2018-07-09 21:56:28 +00:00
Raphael Isemann b69854f01c Don't take the address of an xvalue when printing an expr result
Summary:
If we have an xvalue here, we will always hit the `err_typecheck_invalid_lvalue_addrof` error
in 'Sema::CheckAddressOfOperand' when trying to take the address of the result. This patch
uses the fallback code path where we store the result in a local variable instead when we hit
this case.

Fixes rdar://problem/40613277

Reviewers: jingham, vsk

Reviewed By: vsk

Subscribers: vsk, friss, lldb-commits

Differential Revision: https://reviews.llvm.org/D48303

llvm-svn: 336582
2018-07-09 18:57:11 +00:00
Davide Italiano 975c711358 [test-suite] Add a decorator for the lack of libstdcxx on the system.
This generalizes a bunch of target-specific tests. MacOS has no
libstdcxx anymore, and neither does FreeBSD (or Windows).

<rdar://problem/41896105>

llvm-svn: 336463
2018-07-06 20:40:00 +00:00
Jim Ingham a5bdba4fa5 Remove a bunch more references to _LIBCPP_INLINE_VISIBILITY
and adjust the tests that needed it to set their breakpoints more robustly.

<rdar://problem/41867390>

llvm-svn: 336403
2018-07-06 00:16:21 +00:00
Jim Ingham 9555351339 Don't muck with _LIBCPP_INLINE_VISIBILITY just to get predictable line table entries.
This test was trying to stop at a variety of std::vector calls.  It looks like the test
was failing because various inlined std functions left no line table entries for the line that
invoked the inlined function.  The author worked around that by undefining _LIBCPP_INLINE_VISIBILITY.

That's an internal libcxx macro, we really shouldn't be playing around with it.  Better to just force
ourselves to stop where we want using some other non-inlineable statement.  printf seems a good candidate...

<rdar://problem/41867390>

llvm-svn: 336397
2018-07-05 23:11:27 +00:00
Dave Lee 8ab5c2db8a Fix and simplify lldb.command decorator
Summary:
This change fixes one issue with `lldb.command`, and also reduces the implementation.

The fix: a command function's docstring was not shown when running `help <command_name>`. This is because the docstring attached the source function is not propagated to the decorated function (`f.__call__`). By returning the original function, the docstring will be properly displayed by `help`.

Also with this change, the command name is assumed to be the function's name, but can still be explicitly defined as previously.

Additionally, the implementation was updated to:

* Remove inner class
* Remove use of `inspect` module
* Remove `*args` and `**kwargs`

Reviewers: clayborg

Reviewed By: clayborg

Subscribers: keith, xiaobai, lldb-commits

Differential Revision: https://reviews.llvm.org/D48658

llvm-svn: 336287
2018-07-04 16:11:43 +00:00
Alexander Polyakov 8c670ec73f [lldb-mi] Re-implement symbol-list-lines command.
Summary: Now this command uses SB API instead of HandleCommand.

Reviewers: aprantl, clayborg

Reviewed By: aprantl, clayborg

Subscribers: ki.stfu, eraman, lldb-commits

Differential Revision: https://reviews.llvm.org/D48802

llvm-svn: 336206
2018-07-03 15:40:20 +00:00
Alexander Polyakov da0c081f7e Add new API to SBTarget and SBModule classes.
Summary: The new API allows to find a list of compile units related to target/module.

Reviewers: aprantl, clayborg

Reviewed By: aprantl

Subscribers: jingham, lldb-commits

Differential Revision: https://reviews.llvm.org/D48801

llvm-svn: 336200
2018-07-03 14:22:44 +00:00
Alexander Polyakov fc018b071b [lldb-mi] Re-implement a few MI commands.
Summary: This patch updates exec-next-instruction, exec-step-instruction,
exec-finish, exec-interrupt commands to use SB API instead of HandleCommand.

Reviewers: aprantl, clayborg

Reviewed By: aprantl

Subscribers: ki.stfu, lldb-commits

Differential Revision: https://reviews.llvm.org/D48520

llvm-svn: 336155
2018-07-02 23:54:06 +00:00
Stella Stamenova 696ce3770b [lldbsuite, windows] Don't crash LLDB when we try to retrieve a register on Windows
Summary:
1) When ReadRegister is called with a null register into on Windows, rather than crashing due to an access violation, simply return false. Not all registers and properties will be read or calculated correctly, but that is consistent with other platforms that also return false in that case
2) Update a couple of tests to reference pr37995 as their reason for failure since it is much more accurate. Support for floating point registers doesn't exist on Windows at all, rather than having issues.

Reviewers: asmith, labath, zturner

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D48844

llvm-svn: 336147
2018-07-02 21:50:31 +00:00
Pavel Labath 564a33a6e8 Fix TestLoadUsingPaths on linux
we need to explicitly link the test program with -ldl for the dlopen
function to be available.

llvm-svn: 335956
2018-06-29 09:22:07 +00:00
Jim Ingham 0d231f7161 Add a way to load an image using a library name and list of paths.
This provides an efficient (at least on Posix platforms) way to offload to the
target process the search & loading of a library when all we have are the 
library name and a set of potential candidate locations.

<rdar://problem/40905971>

llvm-svn: 335912
2018-06-28 20:02:11 +00:00
Stella Stamenova aa6c3f50e3 [lldbsuite] Fix TestBreakpointHitCount on Windows
Summary: On Windows, the newer DIA SDKs end up producing function names that contain the return type as well. This means that the function name returned in the test will contain the return type (int) in addition to the name of the function and the type of the input (a(int)). To account for the possibility of both, the test should pass if the function name matches either pattern.

Reviewers: zturner, asmith

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D48654

llvm-svn: 335906
2018-06-28 19:42:30 +00:00
Pavel Labath abc0c6ad09 Skip core file tests on build configurations lacking necessary components
Summary:
To successfully open a core file, we need to have LLVM built with
support for the relevant target. Right now, if one does not have the
appropriate targets configured, the tests will fail.

This patch uses the GetBuildConfiguration SB API to inform the test (and
anyone else who cares) about the list of supported LLVM targets. The
test then uses this information to approriately skip the tests.

Reviewers: clayborg, jingham

Subscribers: martong, lldb-commits

Differential Revision: https://reviews.llvm.org/D48641

llvm-svn: 335859
2018-06-28 14:23:04 +00:00
Jonas Devlieghere 8e93917e8d [SymbolFile] Implement GetCompleteObjCClass for .debug_names
When running the test suite with .debug_names a bunch of tests were
failing because GetCompleteObjCClass was not yet implemented for
DebugNamesDWARFIndex. This patch adds the required logic.

We use the .debug_names to find the Objective-C class and then rely on
DW_AT_APPLE_objc_complete_type to find the complete type. If we can't
find it or the attribute is not supported, we return a list of potential
complete types.

Differential revision: https://reviews.llvm.org/D48596

llvm-svn: 335776
2018-06-27 19:58:39 +00:00
Jim Ingham d6cbdc3767 This is not a debug info sensitive test.
llvm-svn: 335688
2018-06-26 23:31:44 +00:00
Pavel Labath f104d6b224 Fix TestThreadExit for gcc&libc++ combo
pseudo_barrier_wait() begins by decrementing an atomic variable. Since
these are always_inline in libc++, there is no line table anchor to
break on before we decrement it. This meant that on gcc we stopped after
the variable has been decremented, which meant that thread2 could have
exited, violating the test setup. On clang this wasn't a problem
because it generated some line table entries for the do{}while(0) loop
in the macro, so we still ended up stopping, before we touched the
variable.

I fix this by adding a dummy statement before the pseudo_barrier_wait()
command and setting the breakpoint there.

llvm-svn: 335476
2018-06-25 14:28:38 +00:00
Jan Kratochvil 8fbb1fc229 Make testcase classnames unique
Filenames with test results contain only the class name which makes it more
difficult to find it if the same class name is present in multiple *.py files.

packages/Python/lldbsuite/test/functionalities/step-avoids-no-debug/TestStepNoDebug.py
-class ReturnValueTestCase(TestBase):
+class StepAvoidsNoDebugTestCase(TestBase):
as ReturnValueTestCase is already present in:
packages/Python/lldbsuite/test/functionalities/return-value/TestReturnValue.py

packages/Python/lldbsuite/test/functionalities/thread/crash_during_step/TestCrashDuringStep.py
-class CreateDuringStepTestCase(TestBase):
+class CrashDuringStepTestCase(TestBase):
as CreateDuringStepTestCase is already present in:
packages/Python/lldbsuite/test/functionalities/thread/create_during_step/TestCreateDuringStep.py

packages/Python/lldbsuite/test/functionalities/thread/step_until/TestStepUntil.py
-class TestCStepping(TestBase):
+class StepUntilTestCase(TestBase):
as TestCStepping is already present in:
packages/Python/lldbsuite/test/lang/c/stepping/TestStepAndBreakpoints.py

llvm-svn: 335431
2018-06-24 10:36:44 +00:00
Adrian Prantl 56a196c020 Mark this test as no debuginfo
llvm-svn: 335386
2018-06-22 20:26:53 +00:00
Pavel Labath 733ad45b9f Android.rules: Use libc++ by default
libstdc++ will soon be dropped from the android NDK. This patch makes
sure we are prepared for that by using libc++ in tests by default (i.e.,
except for libstdc++ data formatter tests).

Only a couple of small tweaks were needed to make this work:
- Add the libc++ include paths to CXXFLAGS only. This was necessary to
  make the tests compile with -fmodules. The modules tests have been
  disabled, but this way, they will be ready for them if they are
  enabled.
- in one test I had to add an explicit std::string copy to make sure the
  copy constructor is there for the expression evaluator to find it.

llvm-svn: 335344
2018-06-22 13:13:29 +00:00
Jonas Devlieghere 702e140d68 [DataFormatter] Add CFDictionary data formatter
Add data formatter for NSCFDictionary/CFDictionaryRef.

Differential revision: https://reviews.llvm.org/D48450

llvm-svn: 335271
2018-06-21 19:13:47 +00:00
Pavel Labath 30f2e61b97 Disable gmodules tests on linux
These tests are extremely environment-dependent. if the environment is
not module-enabled (which is the likely scenario), they won't test
anything. If one happens to have a module-enabled libc++, then the he
will start running into problems.

The first one is that the debug info in pcm file contains relocations
that ObjectFileELF doesn't handle (particularly on non-x86
architectures), but even after that is resolved, it seems we still are
unable to pull debug info out of the pcm file. I've filed pr37893 to
track that, and I am disabling gmodules tests on linux until these
issues are resolved.

llvm-svn: 335235
2018-06-21 13:55:19 +00:00
Pavel Labath 0583d7a56c Make test sources compatible with android+libcxx+modules
In a modules build, android is very picky about which symbols are
visible after including libc++ headers (e.g. <cstdio> defines only
std::printf and not ::printf).

This consolidates the tests where this was an issue to always include
the <c???> version of the headers and prefixes the symbols with std:: as
necessary.

Apart from that, there is no functional change in the tests.

llvm-svn: 335149
2018-06-20 17:32:48 +00:00
Pavel Labath 13c07c62d1 Make sure TestNumThreads works with libc++
The problem was that with libc++ the std::unique_lock declaration was
completely inlined, so there was no line table entry in the main.cpp
file to set a breakpoint on. Therefore, the breakpoint got moved to the
next line, but that meant the test would deadlock as the thread would
stop with the lock already held.

I fix that issue by adding a dummy statement before the std::unique_lock
line to anchor the breakpoint.

I think this should fix the issue because of which this test was
disabled on darwin, but someone should verify that before enabling it.

llvm-svn: 335132
2018-06-20 14:54:34 +00:00
Pavel Labath c7c9d76187 IRInterpreter: fix sign extension of small types (pr37840)
Sign-extension of small types (e.g. short) was not handled correctly.
The reason for that was that when we were assigning the a value to the
Scalar object, we would accidentally promote the type to int (even
though the assignment code in AssignTypeToMatch tried to cast the value
to the appropriate type, it would still invoke the "int" version of
operator=). Instead, I use the APInt version of operator=, where the
bitwidth is specified explicitly. Among other things, this allows us to
fold the individual size cases into one.

llvm-svn: 335114
2018-06-20 10:45:29 +00:00
Pavel Labath 7bbedb8023 Make TestCommandScript.py NO_DEBUG_INFO_TESTCASE
llvm-svn: 335051
2018-06-19 15:07:22 +00:00
Frederic Riss 49c9d8b849 Fix the 'tb' alias command
No idea when this broke or if it ever worked. Added a small test
for one-shot breakpoints while I was there.

llvm-svn: 334921
2018-06-18 04:34:33 +00:00
Frederic Riss ecba8846aa Fix TestExec after r334783
The second makefile that was added has implicit rules which meant
that secondprog.cpp would be built once into a secondprog binary,
but it would also be compiled as a.out overwriting the main binary.
This lead to spurious failures.

This commit simplifies the Makefile to build only once with the correct
executable name.

llvm-svn: 334861
2018-06-15 20:36:03 +00:00
Jason Molenda 52560ba105 Change TestExec.py from creating an i386+x86_64 fat binary
on darwin systems and re-execing itself, to creating two
separate test programs; lldb runs the first program and it
exec's the second.  

Support for compiling for i386 is going away.

llvm-svn: 334783
2018-06-15 00:55:53 +00:00
Stella Stamenova 9d6fabf9e3 [lit] Split test_set_working_dir TestProcessLaunch into two tests and fix it on Windows
Summary:
test_set_working_dir was testing two scenario: failure to set the working dir because of a non existent directory and succeeding to set the working directory. Since the negative case fails on both Linux and Windows, the positive case was never tested. I split the test into two which allows us to always run both the negative and positive cases. The positive case now succeeds on Linux and the negative case still fails.
During the investigation, it turned out that lldbtest.py will try to execute a process launch command up to 3 times if the command failed. This means that we could be covering up intermittent failures by running any test that does process launch multiple times without ever realizing it. I've changed the counter to 1 (though it can still be overwritten with the environment variable).
This change also fixes both the positive and negative cases on Windows. There were a few issues:
1) In ProcessLauncherWindows::LaunchProcess, the error was not retrieved until CloseHandle was possibly called. Since CloseHandle is also a system API, its success would overwrite any existing error that could be retrieved using GetLastError. So by the time the error was retrieved, it was now a success.
2) In DebuggerThread::StopDebugging TerminateProcess was called on the process handle regardless of whether it was a valid handle. This was causing the process to crash when the handle was LLDB_INVALID_PROCESS (0xFFFFFFFF).
3) In ProcessWindows::DoLaunch we need to check that the working directory exists before launching the process to have the same behavior as other platforms which first check the directory and then launch process. This way we also control the exact error string.

Reviewers: labath, zturner, asmith, jingham

Reviewed By: labath

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D48050

llvm-svn: 334642
2018-06-13 19:02:44 +00:00
Jonas Devlieghere 20b051ba41 [ObjC] Add dataformatter for NSDecimalNumber
This patch adds a data formatter for NSDecimalNumber. The latter is a
Foundation object used for representing and performing arithmetic on
base-10 numbers that bridges to Decimal.

Differential revision: https://reviews.llvm.org/D48114

llvm-svn: 334638
2018-06-13 18:47:04 +00:00
Adrian Prantl 4e8be2c98e Fix/unify the spelling of Objective-C.
llvm-svn: 334614
2018-06-13 16:21:24 +00:00
Pavel Labath 0e33a0cd58 DebugNamesDWARFIndex: Implement DWARFDeclContext variant of GetTypes method
This method is used to find complete definitions of a type when one
parses a compile unit with only forward declaration available.

Since it is only accessed from DWARFASTParserClang, it was not
possible/easy to trigger this codepath from lldb-test. Therefore, I
adapt add a debug-names variant to an existing dotest test to cover this
scenario.

llvm-svn: 334516
2018-06-12 16:50:01 +00:00
Jonas Devlieghere 9deaf68ed1 Exempt some compilers from new static variable test.
Apparently some compilers generate incomplete debug information which
caused the updated test to fail. Therefore I've extracted the new check
into a separate test case with the necessary decorators.

llvm-svn: 334456
2018-06-12 00:15:59 +00:00
Jonas Devlieghere 48f0c26902 [Test] Update static variable test.
Before Pavel's change in r334181, we were printing too many global
variables. This patch updates the test suite to ensure we don't regress
again in the future.

rdar://problem/29180927

llvm-svn: 334454
2018-06-11 23:26:15 +00:00
Leonard Mosescu e1bb51789d Add a new SBTarget::LoadCore() overload which surfaces errors if the load fails
There was no way to find out what's wrong if SBProcess SBTarget::LoadCore(const char *core_file) failed. 
Additionally, the implementation was unconditionally setting sb_process, so it wasn't even possible to check if the return SBProcess is valid.

This change adds a new overload which surfaces the errors and also returns a valid SBProcess only if the core load succeeds:

SBProcess SBTarget::LoadCore(const char *core_file, SBError &error);

Differential Revision: https://reviews.llvm.org/D48049

llvm-svn: 334439
2018-06-11 21:19:26 +00:00
Pavel Labath cb512a3072 Fix tuple getter in std unique pointer pretty-printer
Summary: Check case when _M_t child member is not present.

Reviewers: labath, tberghammer

Reviewed By: labath, tberghammer

Differential Revision: https://reviews.llvm.org/D47932
Patch by Aleksandr Urakov <aleksandr.urakov@jetbrains.com>.

llvm-svn: 334411
2018-06-11 14:52:52 +00:00