Summary:
ScriptInterpreterPython needs to save and restore sys.stdout and
friends when LLDB runs a python script.
It currently does this using FILE*, which is not optimal. If
whatever was in sys.stdout can not be represented as a FILE*, then
it will not be restored correctly when the script is finished.
It also means that if the debugger's own output stream is not
representable as a file, ScriptInterpreterPython will not be able
to redirect python's output correctly.
This patch updates ScriptInterpreterPython to represent files with
lldb_private::File, and to represent whatever the user had in
sys.stdout as simply a PythonObject.
This will make lldb interoperate better with other scripts or programs
that need to manipulate sys.stdout.
Reviewers: JDevlieghere, jasonmolenda, labath
Reviewed By: labath
Subscribers: lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D68962
llvm-svn: 374964
Summary:
This patch removes FILE* and replaces it with SBFile and FileSP the
SWIG interface for `SBStream.i`. And this is the last one. With
this change, nothing in the python API will can access a FILE* method
on the C++ side.
Reviewers: JDevlieghere, jasonmolenda, labath
Reviewed By: labath
Subscribers: lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D68960
llvm-svn: 374924
Summary:
This patch converts the swig wrappers for SetInputFileHandle() and friends
to emulate the old behavior using SetInputFile().
This will clear the way for deleting the FILE* typemaps altogether.
Reviewers: JDevlieghere, jasonmolenda, labath
Reviewed By: labath
Subscribers: mehdi_amini, dexonsmith, lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D68856
llvm-svn: 374912
Summary:
This makes SBFile::GetFile public and adds a SWIG typemap to convert
the result back into a python native file.
If the underlying File itself came from a python file, it is returned
identically. Otherwise a new python file object is created using
the file descriptor.
Reviewers: JDevlieghere, jasonmolenda, labath
Reviewed By: labath
Subscribers: lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D68737
llvm-svn: 374911
- use a full triple instead of just the architecture (makes the test
pass on non-apple hosts)
- skip the test if the ARM llvm target is not built
llvm-svn: 374863
Summary:
This patch replaces the FILE* python bindings for SBInstruction and
SBInstructionList and replaces them with the new, safe SBFile and FileSP
bindings.
I also re-enable `Test_Disassemble_VST1_64`, because now we can use
the file bindings as an additional test of the disassembler, and we
can use the disassembler test as a test of the file bindings.
The bugs referred to in the comments appear to have been fixed. The
radar is closed now and the bugzilla bug does not reproduce with the
instructions given.
Reviewers: JDevlieghere, jasonmolenda, labath
Reviewed By: labath
Subscribers: lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D68890
llvm-svn: 374820
Summary:
This patch adds FileSP and SBFile versions of the API methods
ReportEventState and HandleProcessEvent. It points the SWIG
wrappers at these instead of the ones that use FILE* streams.
Reviewers: JDevlieghere, jasonmolenda, labath, jingham
Reviewed By: labath
Subscribers: lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D68546
llvm-svn: 374816
Summary:
The build directory name is based on the test method name, so having
two test methods with the same name in the same test file is a
problem, even if they're in different test classes.
On linux and darwin this conflict can go unnoticed, but windows
has different filesystem semantics and it will fail when one
process tries to delete files still held open by another.
The problem is fixed just by changing the name of one of the test
methods.
Reviewers: JDevlieghere, jasonmolenda, labath, stella.stamenova
Reviewed By: stella.stamenova
Subscribers: lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D68951
llvm-svn: 374803
Summary:
IOHandler needs to read lines of input from a lldb::File.
The way it currently does this using, FILE*, which is something
we want to avoid now. I'd prefer to just replace the FILE* code
with calls to File::Read, but it contains an awkward and
delicate workaround specific to ctrl-C handling on windows, and
it's not clear if or how that workaround would translate to
lldb::File.
So in this patch, we use use the FILE* if it's available, and only
fall back on File::Read if that's the only option.
I think this is a reasonable approach here for two reasons. First
is that interactive terminal support is the one area where FILE*
can't be avoided. We need them for libedit and curses anyway,
and using them here as well is consistent with that pattern.
The second reason is that the comments express a hope that the
underlying windows bug that's being worked around will be fixed one
day, so hopefully when that happens, that whole path can be deleted.
Reviewers: JDevlieghere, jasonmolenda, labath, lanza
Reviewed By: labath
Subscribers: lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D68622
llvm-svn: 374576
Summary:
If you look at what this test is doing, it's actually quite
mysterious why it works at all. It sets the input file
inside a "with open". As soon as the with block ends,
that file will be closed. And yet somehow LLDB reads
commands from it anyway. What's actually happening is that
the file descriptor gets dup'd when something inside LLDB
calls File::GetStream(). I think it's fair to say that
what this test is doing is illegal and it has no right
to expect it to work.
This patch updates the test with two cases. One uses
the SBFile api, and actually transfers ownership of
the original file descriptor to the debugger. The other
just uses the old FILE* API, but in a sane way.
I also set NO_DEBUG_INFO_TESTCASE, because this test doesn't
use any debug info and doesn't need to run three times.
Reviewers: JDevlieghere, jasonmolenda, labath
Reviewed By: labath
Subscribers: aprantl, lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D68738
llvm-svn: 374424
Summary:
Python 3.6 stringifies exceptions as `ExceptionClass("foo",)` instead
of `ExceptionClass("foo")`. This patch makes the test assertions a
little more flexible so the test passes anyway.
Reviewers: JDevlieghere, jasonmolenda, labath
Reviewed By: labath
Subscribers: lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D68745
llvm-svn: 374417
the exceptions returned differ between swig4 (TypeError) and swig<=3
(NotImplementedError). Just check for the base Exception class instead.
Theoretically we could switch on the swig version and expect the precise
type directly, but checking the exact type does not seem that important.
Thanks to Raphael for helping me figure this out.
llvm-svn: 374322
The test isn't using @expectedFailure correctly, which causes weird
errors, at least with python2, at least with linux. Possibly that
function shouldn't even be public as it's main use is as a backed for
other decorators.
llvm-svn: 374299
Summary:
It's really annoying and confusing to have to keep referring
back to earlier versions of this SBFile work to find the
tests that need to be added for each patch, and not duplicate
them with new tests.
This patch just imports all my tests. A bunch of them don't
work yet, so they are marked to be skipped. They'll be
unmarked as I fix them.
One of these tests will actually trip an assert in the SWIG
code now instead of just failing, so I'm fixing that here too.
Reviewers: JDevlieghere, jasonmolenda, labath
Reviewed By: JDevlieghere, labath
Subscribers: lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D68433
llvm-svn: 374237
Summary:
This patch adds SWIG typemaps that can convert arbitrary python
file objects into lldb_private::File.
A SBFile may be initialized from a python file using the
constructor. There are also alternate, tagged constructors
that allow python files to be borrowed, and for the caller
to control whether or not the python I/O methods will be
called even when a file descriptor is available.I
Reviewers: JDevlieghere, jasonmolenda, labath
Reviewed By: labath
Subscribers: zturner, amccarth, lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D68188
llvm-svn: 374225
Summary:
Add new methods to SBDebugger to set IO files as SBFiles instead of
as FILE* streams.
In future commits, the FILE* methods will be deprecated and these
will become the primary way to set the debugger I/O streams.
Reviewers: JDevlieghere, jasonmolenda, labath
Reviewed By: labath
Subscribers: lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D68181
llvm-svn: 373563
Summary:
SBFile is a scripting API wrapper for lldb_private::File
This is the first step in a project to enable arbitrary python
io.IOBase file objects -- including those that override the read()
and write() methods -- to be used as the main debugger IOStreams.
Currently this is impossible because python file objects must first
be converted into FILE* streams by SWIG in order to be passed into
the debugger.
full prototype: https://github.com/smoofra/llvm-project/tree/files
Reviewers: JDevlieghere, jasonmolenda, zturner, jingham, labath
Reviewed By: labath
Subscribers: labath, mgorny, lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D67793
llvm-svn: 373562
This test streamlines our use of variables that are expected by
Makefile.rules throughout the test suite. Mostly it replaced
potentially dangerous overrides and updates of variables like CFLAGS
with safe assignments to variables reserved for this purpose like
CFLAGS_EXTRAS.
Differential Revision: https://reviews.llvm.org/D67984
llvm-svn: 372795
Jim pointed out that the LLDB global variables should only be available
in interactive mode. When used from a command for example, their values
might be stale or not at all what the user expects. Therefore we want to
explicitly make these variables unavailable.
Differential revision: https://reviews.llvm.org/D67685
llvm-svn: 372192
Summary:
This patch adds support of watchpoints to the old `ProcessWindows` plugin.
The `ProcessWindows` plugin uses the `RegisterContext` to set and reset
watchpoints. The `RegisterContext` has some interface to access watchpoints,
but it is very limited (e.g. it is impossible to retrieve the last triggered
watchpoint with it), that's why I have implemented a slightly different
interface in the `RegisterContextWindows`. Moreover, I have made the
`ProcessWindows` plugin responsible for search of a vacant watchpoint slot,
because watchpoints exist per-process (not per-thread), then we can place
the same watchpoint in the same slot in different threads. With this scheme
threads don't need to have their own watchpoint lists, and it simplifies
identifying of the last triggered watchpoint.
Reviewers: asmith, stella.stamenova, amccarth
Reviewed By: amccarth
Subscribers: labath, zturner, leonid.mashinskiy, abidh, JDevlieghere, lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D67168
llvm-svn: 371166
Python 3 iteration calls the next() method instead of next() and
value_iter only implemented the Python 2 version.
Differential revision: https://reviews.llvm.org/D67184
llvm-svn: 370954
Python 3 calls __bool__() instead of __len__() and lldb.value only
implemented the __len__ method. This adds the __bool__() implementation.
Differential revision: https://reviews.llvm.org/D67183
llvm-svn: 370953
Summary:
Instead of each test case knowing its depth relative to the test root,
we can just have dotest add the folder containing Makefile.rules to the
include path.
This was motivated by r370616, though I have been wanting to do this
ever since we moved to building tests out-of-tree.
The only manually modified files in this patch are lldbinline.py and
plugins/builder_base.py. The rest of the patch has been produced by this
shell command:
find . \( -name Makefile -o -name '*.mk' \) -exec sed --in-place -e '/LEVEL *:\?=/d' -e '1,2{/^$/d}' -e 's,\$(LEVEL)/,,' {} +
Reviewers: teemperor, aprantl, espindola, jfb
Subscribers: emaste, javed.absar, arichardson, christof, arphaman, lldb-commits
Differential Revision: https://reviews.llvm.org/D67083
llvm-svn: 370845
Summary:
It seems this was an unintended side-effect of D26698. AFAICT, these
functions did return an empty string before that patch, and the patch
contained code which attempted to ensure that, but those efforts were
negated by ConstString::AsCString, which by default returns a nullptr
even for empty strings.
This patch:
- fixes the GetOutput/Error methods to really return empty strings
- adds and explicit test for that
- removes a workaround in lldbtest.py, which was masking this problem
from our other tests
Reviewers: jingham, clayborg
Subscribers: zturner, lldb-commits
Differential Revision: https://reviews.llvm.org/D65739
llvm-svn: 368806
For security reasons, DYLD_INSERT_LIBRARIES is not propagated to a child
process. This breaks the skipIfSanitized decorator, which checks for the
environment variable being set. Instead, always set the ASAN_OPTIONS and
make the decorator check for that.
Differential revision: https://reviews.llvm.org/D65594
llvm-svn: 367595
The test was not previously run due to decorator bug (fixed in r366903).
It is not a regression and is probably related to the other failing
test, so just disable it.
llvm-svn: 367285
Summary: update some test decorates that can actually pass on andriod aarch64
Patch by Wanyi Ye <kusmour@gmail.com>
Differential Revision: https://reviews.llvm.org/D64767
llvm-svn: 366858
It looks like when this test was added, it was based on TestHelloWorld and it ended up with the same class name. This is an issue because the logs associated with the tests use the class name as the identifier for the file and if two tests have the same name their logs overwrite each other. On non-windows, this just means we lose one of the logs, but on Windows this means that one of the tests will fail occasionally because the file are locked by the other test.
llvm-svn: 364860
Summary:
Implement the ABI for WIndows-x86_64 including register info and calling convention.
Handled nested struct returned in register (SysV doesn't have it supported)
Reviewers: xiaobai, compnerd
Reviewed By: compnerd
Subscribers: labath, jasonmolenda, fedor.sergeev, mgorny, teemperor, lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D62213
llvm-svn: 364216
While this fixed the windows bot failures, it also broke all other bots.
Upon closer inspection, it turns out that the windows bots were "broken"
because two tests were unexpectedly passing -- i.e., the original patch
(r360375) actually improved our stepping support on windows.
So instead, I remove the relevant XFAILs.
This reverts commit r360397.
llvm-svn: 360407
This test contained an incredibly complicated inferior, but in reality,
all it was testing was that we can backtrace up to main and see main's
arguments.
However, the way this was implemented (setting a breakpoint on a
separate thread) meant that each time the test would run, it would stop
in a different location on the main thread. Most of the time this
location would be deep in some libc function, which meant that the
success of this test depended on our ability to backtrace out of a
random function of the c library that the user happens to have
installed.
This makes the test unpredictable. Backtracing out of a libc function is
an important functionality, but this is not the way to test it. Often it
is not even our fault that we cannot backtrace out because the C library
contains a lot of assembly routines that may not have correct unwind
info associated with them.
For this reason the test has accumulated numerous @expectedFail/Flaky
decorators. In this patch, I replace the inferior with one that does not
depend on libc functions. Instead I create a couple of stack frames of
user code, and have the test verify that. I also simplify the test by
using lldbutil.run_to_source_breakpoint.
llvm-svn: 358266
Summary:
This patch moves the modify-python-lldb code for adding new functions to
the SBModule class into the SBModule interface file. As this is the last
class using this functionality, I also remove all support for this kind
of modifications from modify-python-lldb.py.
Reviewers: amccarth, clayborg, jingham
Subscribers: zturner, lldb-commits
Differential Revision: https://reviews.llvm.org/D60195
llvm-svn: 357680
Summary:
Instead of modifying the swig-generated code, just add the appropriate
methods to the interface files in order to get the swig to do the
generation for us.
This is a straight-forward move from the python script to the interface
files. The single class which has nontrivial handling in the script
(SBModule) has been left for a separate patch.
For the cases where I did not find any tests exercising the
iteration/length methods (i.e., no tests failed after I stopped emitting
them), I tried to add basic tests for that functionality.
Reviewers: zturner, jingham, amccarth
Subscribers: jdoerfert, lldb-commits
Differential Revision: https://reviews.llvm.org/D60119
llvm-svn: 357572
Given this was under trace, it can just be removed. If somebody
ever needs to debug this testcase again and print the data, they
can add a new statement.
llvm-svn: 355999
