| Commit message (Collapse) | Author | Age | Files | Lines |
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This was properly captured by the instrumentation framework when running
TestRunCommandInterpreterAPI.py in capture-mode.
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Make it possible to override reproducer capture with the
LLDB_CAPTURE_REPRODUCER environment variable.
The goal of this change is twofold.
(1) I want to be able to enable capturing reproducers during regular
test runs, both locally and on the bots. To do so I need a way to
force capture. I cannot do this through the Python API, because
reproducer capture must be enabled *before* the debugger
initialized, which happens automatically when doing `import lldb`.
(2) I want to provide an escape hatch for when reproducers are enabled
by default. Downstream we have reproducer capture enabled by default
in the driver.
This patch solves both problems by overriding the reproducer mode based
on the environment variable. Acceptable values are 0/1 and ON/OFF.
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The changes are minor; primarily debugserver needs to go through
accessor functions/macros when changing pc/fp/sp/lr, and debugserver
needs to clear any existing pointer auth bits from values in two
cases. debugserver can fetch the number of bits used for addressing
from a sysctl, and will include that in the qHostInfo reply. Update
qHostInfo documentation to document it.
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The previous fix attempt, in 62a635e864e0, used too much escaping
for the backslashes.
But instead of using regexes to match both path separator forms,
remove the path altogether to unify the output from the testcase
between platforms.
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Remove things irrelevant to the test.
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Summary:
Using a BreakpointList corrupts the breakpoints' IDs because
BreakpointList::Add sets the ID, so use a vector instead, and
update the signature to return the vector wrapped in an
llvm::Expected which can propagate any error from the inner
call to StringIsBreakpointName.
Note that, despite the similar name, SBTarget::FindBreakpointsByName
doesn't suffer the same problem, because it uses a SBBreakpointList,
which is more like a BreakpointIDList than a BreakpointList under the
covers.
Add a check to TestBreakpointNames that, without this fix, notices the
ID getting mutated and fails.
Reviewers: jingham, JDevlieghere
Reviewed By: JDevlieghere
Subscribers: lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D70907
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Before we had a implicit conversion from nullptr to FileSpec
which was thankfully removed.
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llvm::raw_ostream provides equivalent functionality.
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this improves error messages.
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This constructor was the cause of some pretty weird behavior. Remove it,
and update all code to properly dereference the argument instead.
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I'm refactoring those functions, so we should have some tests for
them before doing that.
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Summary:
The FileSpec class is often used as a sort of a pattern -- one specifies
a bare file name to search, and we check if in matches the full file
name of an existing module (for example).
These comparisons used FileSpec::Equal, which had some support for it
(via the full=false argument), but it was not a good fit for this job.
For one, it did a symmetric comparison, which makes sense for a function
called "equal", but not for typical searches (when searching for
"/foo/bar.so", we don't want to find a module whose name is just
"bar.so"). This resulted in patterns like:
if (FileSpec::Equal(pattern, file, pattern.GetDirectory()))
which would request a "full" match only if the pattern really contained
a directory. This worked, but the intended behavior was very unobvious.
On top of that, a lot of the code wanted to handle the case of an
"empty" pattern, and treat it as matching everything. This resulted in
conditions like:
if (pattern && !FileSpec::Equal(pattern, file, pattern.GetDirectory())
which are nearly impossible to decipher.
This patch introduces a FileSpec::Match function, which does exactly
what most of FileSpec::Equal callers want, an asymmetric match between a
"pattern" FileSpec and a an actual FileSpec. Empty paterns match
everything, filename-only patterns match only the filename component.
I've tried to update all callers of FileSpec::Equal to use a simpler
interface. Those that hardcoded full=true have been changed to use
operator==. Those passing full=pattern.GetDirectory() have been changed
to use FileSpec::Match.
There was also a handful of places which hardcoded full=false. I've
changed these to use FileSpec::Match too. This is a slight change in
semantics, but it does not look like that was ever intended, and it was
more likely a result of a misunderstanding of the "proper" way to use
FileSpec::Equal.
[In an ideal world a "FileSpec" and a "FileSpec pattern" would be two
different types, but given how widespread FileSpec is, it is unlikely
we'll get there in one go. This at least provides a good starting point
by centralizing all matching behavior.]
Reviewers: teemperor, JDevlieghere, jdoerfert
Subscribers: emaste, lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D70851
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DWARFASTParserClang::ParseChildMembers
ParseChildMembers does a few things, only one part is actually parsing a single
member. This extracts the member parsing logic into its own function.
This commit just moves the code as-is into its own function and forwards the parameters/
local variables to it, which means it should be NFC.
The only actual changes to the code are replacing 'break's (and one very curious 'continue'
that behaves like a 'break') with 'return's.
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Reviewers: labath, davide
Reviewed By: davide
Subscribers: clayborg, JDevlieghere, lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D70979
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And arguably `retry_if_null` isn't really descriptive of what
the flag did anyway.
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This was fixed in clang a while ago, and the rdar associated
is now closed.
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All the callers pass a single language anyway.
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Summary: This should allow further simplifications, but it's a first step.
Reviewers: teemperor, jingham, friss
Subscribers: lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D70983
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The naming used by editline for the history operations is counter
intuitive to how it's used in lldb for the REPL.
- The H_PREV operation returns the previous element in the history,
which is newer than the current one.
- The H_NEXT operation returns the next element in the history, which
is older than the current one.
This exposed itself as a bug in the REPL where the behavior of up- and
down-arrow was inverted. This wasn't immediately obvious because of how
we save the current "live" entry.
This patch fixes the bug and introduces and enum to wrap the editline
operations that match the semantics of lldb.
Differential revision: https://reviews.llvm.org/D70932
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To ensure a reproducer works correctly, the version of LLDB used for
capture and replay must match. Right now the reproducer already contains
the LLDB version. However, this is purely informative. LLDB will happily
replay a reproducer generated with a different version of LLDB, which
can cause subtle differences.
This patch adds a version check which compares the current LLDB version
with the one in the reproducer. If the version doesn't match, LLDB will
refuse to replay. It also adds an escape hatch to make it possible to
still replay the reproducer without having to mess with the recorded
version. This might prove useful when you know two versions of LLDB
match, even though the version string doesn't. This behavior is
triggered by passing a new flag -reproducer-skip-version-check to the
lldb driver.
Differential revision: https://reviews.llvm.org/D70934
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to avoid needing to declare iterators everywhere.
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'LLDBSwigPythonBreakpointCallbackFunction' has C-linkage specified, but returns UDT 'llvm::Expected<bool>' which is incompatible with C
Differential Revision: https://reviews.llvm.org/D70830
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Summary:
The IOHandler class source file is currently around 4600 LOC. However only 200
of these lines are concerned with the actual IOHandler class and the rest are the
implementations for Editline, IOHandlerConfirm and the Curses interface. All these
large features also cause that the IOHandler (which is in Core) has a large set of dependencies
on other parts of LLDB.
This patch splits out the code for the curses interface into its own file. This way
the simple IOHandler code is no longer buried in-between much larger functionalities.
Next up is splitting out the other IOHandlers into their own files and then move them
to more appropriate parts of LLDB.
Reviewers: labath, clayborg, JDevlieghere
Reviewed By: labath
Subscribers: mgorny, lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D70946
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This reverts commit rG4cfceb910692 due to LLDB test failing.
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ClangExpressionDeclMap::LookupFunction
This code was just creating a new SymbolContextList with any found functions
in the front and orders them by how close they are to the current frame.
This refactors this code into its own function to make this more obvious.
Doesn't do any other changes to the code, so this is NFC.
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I assumed this was just a single typo, but it seems we actually have
a whole bunch of tabs in this file which cause Python to complain
about mixing tabs and spaces.
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Forgot to squash this...
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Mixing tabs and spaces makes Python exit with this error:
File "llvm/lldb/packages/Python/lldbsuite/test/functionalities/return-value/TestReturnValue.py", line 23
return (self.getArchitecture() == "aarch64" and self.getPlatform() == "linux")
^
TabError: inconsistent use of tabs and spaces in indentation
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Summary:
Previously the ABI plugin exposed some "register infos" and the
gdb-remote code used those to fill in the missing bits. Now, the
"filling in" code is in the ABI plugin itself, and the gdb-remote code
just invokes that.
The motivation for this is two-fold:
a) the "augmentation" logic is useful outside of process gdb-remote. For
instance, it would allow us to avoid repeating the register number
definitions in minidump code.
b) It gives more implementation freedom to the ABI classes. Now that
these "register infos" are essentially implementation details, classes
can use other methods to obtain dwarf/eh_frame register numbers -- for
instance they can consult llvm MC layer.
Since the augmentation code was not currently tested anywhere, I took
the opportunity to create a simple test for it.
Reviewers: jasonmolenda, clayborg, tatyana-krasnukha
Subscribers: aprantl, lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D70906
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The idea is to remove front-end analysis for the parameter's value
modification and leave it to the value tracking system. Front-end in some
cases marks a parameter as modified even the line of code that modifies the
parameter gets optimized, that implies that this will cover more entry
values even. In addition, extending the support for modified parameters
will be easier with this approach.
Since the goal is to recognize if a parameter’s value has changed, the idea
at very high level is: If we encounter a DBG_VALUE other than the entry
value one describing the same variable (parameter), we can assume that the
variable’s value has changed and we should not track its entry value any
more. That would be ideal scenario, but due to various LLVM optimizations,
a variable’s value could be just moved around from one register to another
(and there will be additional DBG_VALUEs describing the same variable), so
we have to recognize such situation (otherwise, we will lose a lot of entry
values) and salvage the debug entry value.
Differential Revision: https://reviews.llvm.org/D68209
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I have either opened new bug reports for these tests, or added links to
existing bugs.
This should help make the lldb-aarch64-ubuntu buildbot green (there will
still be some unexpected passes that someone should look into, but those
can be handled later).
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ValueObjectSynthetic
Summary:
ThreadSafeSTLVector and ThreadSafeSTLMap are not useful for achieving any degree of thread safety in LLDB
and should be removed before they are used in more places. They are only used (unsurprisingly incorrectly) in
`ValueObjectSynthetic::GetChildAtIndex`, so this patch replaces their use there with a simple mutex with which
we guard the related data structures. This doesn't make ValueObjectSynthetic::GetChildAtIndex
any more thread-safe, but on the other hand it at least allows us to get rid of the ThreadSafeSTL* data structures
without changing the observable behaviour of ValueObjectSynthetic (beside that it is now a few bytes smaller).
Reviewers: labath, JDevlieghere, jingham
Reviewed By: labath
Subscribers: lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D70845
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A subset of the examples are shipped as python packages. Include the
in_call_stack utility.
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This simplifies the CMake logic for adding the Python examples to the
Python package. It unifies the use of create_python_package by adding
the NOINIT option and removes the `target` argument, which is always
`finish_swig`.
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If filling in a DataExtractor from an ObjectFile, e.g. via the
ReadSectionData method, the output DataExtractor gets the address
size from the m_data member.
ObjectFile's m_data member is initialized without knowledge about
the address size (so the address size is set based on the host's
sizeof(void*), and at that point within ObjectFile's constructor,
virtual methods implemented in subclasses (like GetAddressByteSize())
can't be called, therefore fix it up when filling in external
DataExtractors.
This makes sure that line tables from executables with a different
address size are parsed properly; previously this tripped up
DWARFDebugLine::LineTable::parse for 32 bit executables on a 64 bit
host, as the address size in the line table (4) didn't match the
one set in the DWARFDataExtractor.
Differential Revision: https://reviews.llvm.org/D70848
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Summary:
This test was broken in two ways:
* Using the wrong API (e.g.: format = instead of SetFormat)
* The hex checker was only checking "01" which will pass with 0x0000001
Reviewers: clayborg, lanza, wallace
Reviewed By: clayborg
Subscribers: lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D70884
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DWARFASTParserClang::ParseChildMembers
We keep counting members and then don't do anything with the computed result.
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Removing raw_ostream here is getting us closer to removing LLDB's Stream
class.
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We expect it to be always positive values and LLVM/Clang's IndentLevel
values are already unsigned integers, so we should do the same.
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The command has zero test coverage and I'll have to touch the
code formatting the output commands, so let's start by adding a
test for it.
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