| Age | Commit message (Collapse) | Author |
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Eliminate calls to PyGILState_Check, which is not part of the Python
Limited C API. In the Locker, we can use PyGILState_Ensure directly. We
could do something similar to replace the assert, but I don't think it's
worth it. We don't assert that we hold the GIL anywhere else.
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Eliminate the `log` variable by inlining the GetLog call and use
"locked" and "unlocked" directly, as requested by Ismail in #151780.
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The behavior of thread initialization changed in Python 3.7. The minimum
supported Python version is now 3.8. That means that
`PyEval_ThreadsInitialized` always returns true and `PyEval_InitThreads`
is never called.
The helper function existed to coordinate initializing the threads and
acquiring the GIL, which is no longer necessary. With that, there's no
point in having the helper at all. This PR eliminates the function and
inlines to GIL acquisition into the caller.
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Reimplment `PyRun_SimpleString` using the Python stable C API and the
`RunString` helper.
Part of https://github.com/llvm/llvm-project/issues/151617
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(#150720)
This is NFC, I'm modernizing the interface before I add to it in a
subsequent commit.
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This is a continuation of 68fd102, which did the same thing but only for
StopInfo. Using make_shared is both safer and more efficient:
- With make_shared, the object and the control block are allocated
together, which is more efficient.
- With make_shared, the enable_shared_from_this base class is properly
linked to the control block before the constructor finishes, so
shared_from_this() will be safe to use (though still not recommended
during construction).
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This patch replaces the use of `UINT32_MAX` as the error return value of
`GetIndexOfChildWithName` with `llvm::Expected`.
# Tasks to do in another PR
1. Replace `CalculateNumChildrenIgnoringErrors` with
`CalculateNumChildren`. See [this
comment](https://github.com/llvm/llvm-project/pull/136693#discussion_r2056319358).
2. Update `lldb_private::formatters::ExtractIndexFromString` to use
`llvm::Expected`. See [this
comment](https://github.com/llvm/llvm-project/pull/136693#discussion_r2054217536).
3. Create a new class which carries both user and internal errors. See
[this
comment](https://github.com/llvm/llvm-project/pull/136693#discussion_r2056439608).
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(#136309)
TestStructuredDataAPI.py fails with Python debug build ver. 3.12+ due to
call to Py_XINCREF while GIL is not held.
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So the dSYM can be told what target it has been loaded into.
When lldb is loading modules, while creating a target, it will run
"command script import" on any Python modules in Resources/Python in the
dSYM. However, this happens WHILE the target is being created, so it is
not yet in the target list. That means that these scripts can't act on
the target that they a part of when they get loaded.
This patch adds a new python API that lldb will call:
__lldb_module_added_to_target
if it is defined in the module, passing in the Target the module was
being added to, so that code in these dSYM's don't have to guess.
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(#132846)
Since the inner wrapper call might have removed one of the entries from
the global dict that the outer wrapper ALSO was going to delete, make
sure that we check that the key is still in the global dict before
trying to act on it.
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Should fix the following compile error on Windows:
C:\Python312\include\pyconfig.h(225): error C2371: 'pid_t': redefinition; different basic types
C:\buildbot\as-builder-10\lldb-x-aarch64\llvm-project\lldb\include\lldb/Host/windows/PosixApi.h(80): note: see declaration of 'pid_t'
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This patch improves the synchronization of the debugger's output and error
streams using two new abstractions: `LockableStreamFile` and
`LockedStreamFile`.
- `LockableStreamFile` is a wrapper around a `StreamFile` and a mutex. Client
cannot use the `StreamFile` without calling `Lock`, which returns a
`LockedStreamFile`.
- `LockedStreamFile` is an RAII object that locks the stream for the duration
of its existence. As long as you hold on to the returned object you are
permitted to write to the stream. The destruction of the object
automatically flush the output stream.
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Remove Debugger::GetOutputStream and Debugger::GetErrorStream in
preparation for replacing both with a new variant that needs to be
locked and hence can't be handed out like we do right now.
The patch replaces most uses with GetAsyncOutputStream and
GetAsyncErrorStream respectively. There methods return new StreamSP
objects that automatically get flushed on destruction.
See #126630 for more details.
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Was flagged in https://github.com/llvm/llvm-project/pull/124735
but done separately so it didn't get in the way of that.
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As decided on
https://discourse.llvm.org/t/rfc-lets-document-and-enforce-a-minimum-python-version-for-lldb/82731.
LLDB 20 recommended `>= 3.8` but did not remove support for anything
earlier. Now we are in what will become LLDB 21, so I'm removing that
support and making
`>= 3.8` required.
See https://docs.python.org/3/c-api/apiabiversion.html#c.PY_VERSION_HEX
for the format of PY_VERSION_HEX.
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Use PY_VERSION_HEX to simplify conditional compilation depending on the
Python version.
This also adds a static_assert to lldb-python to error out with a
meaningful diagnostic when you try building LLDB with an older Python
version in preparation for [1].
[1]
https://discourse.llvm.org/t/rfc-lets-document-and-enforce-a-minimum-python-version-for-lldb/82731/15
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This fixes the deprecation warning for Py_SetPythonHome, which was
deprecated in Python 3.11. With this patch, when building against Python
3.8 or later, we now use Py_InitializeFromConfig instead.
Fixes #113475
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Reverts llvm/llvm-project#114112 because this triggers a compile error:
```
no known conversion from 'str_type' (aka 'wchar_t *') to 'const char *' for 3rd argument
221 | PyAPI_FUNC(PyStatus) PyConfig_SetBytesString(
| ^
222 | PyConfig *config,
223 | wchar_t **config_str,
224 | const char *str);
| ~~~~~~~~~~~~~~~
1 error generated.
```
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This fixes the deprecation warning for Py_SetPythonHome, which was
deprecated in Python 3.11. With this patch, when building against Python
3.8 or later, we now use Py_InitializeFromConfig instead.
Fixes #113475
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ValueObject is part of lldbCore for historical reasons, but conceptually
it deserves to be its own library. This does introduce a (link-time) circular
dependency between lldbCore and lldbValueObject, which is unfortunate
but probably unavoidable because so many things in LLDB rely on
ValueObject. We already have cycles and these libraries are never built
as dylibs so while this doesn't improve the situation, it also doesn't
make things worse.
The header includes were updated with the following command:
```
find . -type f -exec sed -i.bak "s%include \"lldb/Core/ValueObject%include \"lldb/ValueObject/ValueObject%" '{}' \;
```
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(#109062)
If your arguments or option values are of a type that naturally uses one
of our common completion mechanisms, you will get completion for free.
But if you have your own custom values or if you want to do fancy things
like have `break set -s foo.dylib -n ba<TAB>` only complete on symbols
in foo.dylib, you can use this new mechanism to achieve that.
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of it (#109498)
This patch re-lands #105449 and fixes the various test failures.
---------
Signed-off-by: Med Ismail Bennani <ismail@bennani.ma>
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...and "[lldb/Interpreter] Introduce `ScriptedStopHook{,Python}Interface` & make use of it (#105449)"
This reverts commit 76b827bb4d5b4cc4d3229c4c6de2529e8b156810, and commit 1e131ddfa8f1d7b18c85c6e4079458be8b419421
because the first commit caused the test command-stop-hook-output.test to fail.
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of it (#105449)
This patch introduces new `ScriptedStopHook{,Python}Interface` classes
that make use of the Scripted Interface infrastructure and makes use of
it in `StopHookScripted`.
It also relax the requirement on the number of argument for initializing
scripting extension if the size of the interface parameter pack contains
1 less element than the extension maximum number of positional arguments
for this initializer.
This addresses the cases where the embedded interpreter session
dictionary is passed to the extension initializer which is not used most
of the time.
---------
Signed-off-by: Med Ismail Bennani <ismail@bennani.ma>
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(#107163)
…ror() [NFC]
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This patch removes all of the Set.* methods from Status.
This cleanup is part of a series of patches that make it harder use the
anti-pattern of keeping a long-lives Status object around and updating
it while dropping any errors it contains on the floor.
This patch is largely NFC, the more interesting next steps this enables
is to:
1. remove Status.Clear()
2. assert that Status::operator=() never overwrites an error
3. remove Status::operator=()
Note that step (2) will bring 90% of the benefits for users, and step
(3) will dramatically clean up the error handling code in various
places. In the end my goal is to convert all APIs that are of the form
` ResultTy DoFoo(Status& error)
`
to
` llvm::Expected<ResultTy> DoFoo()
`
How to read this patch?
The interesting changes are in Status.h and Status.cpp, all other
changes are mostly
` perl -pi -e 's/\.SetErrorString/ = Status::FromErrorString/g' $(git
grep -l SetErrorString lldb/source)
`
plus the occasional manual cleanup.
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backtraces (#104523)""
This reverts commit 547917aebd1e79a8929b53f0ddf3b5185ee4df74.
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(#104523)"
This reverts commit f01f80ce6ca7640bb0e267b84b1ed0e89b57e2d9.
This commit introduces an msan violation. See the discussion on https://github.com/llvm/llvm-project/pull/104523.
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Compilers and language runtimes often use helper functions that are
fundamentally uninteresting when debugging anything but the
compiler/runtime itself. This patch introduces a user-extensible
mechanism that allows for these frames to be hidden from backtraces and
automatically skipped over when navigating the stack with `up` and
`down`.
This does not affect the numbering of frames, so `f <N>` will still
provide access to the hidden frames. The `bt` output will also print a
hint that frames have been hidden.
My primary motivation for this feature is to hide thunks in the Swift
programming language, but I'm including an example recognizer for
`std::function::operator()` that I wished for myself many times while
debugging LLDB.
rdar://126629381
Example output. (Yes, my proof-of-concept recognizer could hide even
more frames if we had a method that returned the function name without
the return type or I used something that isn't based off regex, but it's
really only meant as an example).
before:
```
(lldb) thread backtrace --filtered=false
* thread #1, queue = 'com.apple.main-thread', stop reason = breakpoint 1.1
* frame #0: 0x0000000100001f04 a.out`foo(x=1, y=1) at main.cpp:4:10
frame #1: 0x0000000100003a00 a.out`decltype(std::declval<int (*&)(int, int)>()(std::declval<int>(), std::declval<int>())) std::__1::__invoke[abi:se200000]<int (*&)(int, int), int, int>(__f=0x000000016fdff280, __args=0x000000016fdff224, __args=0x000000016fdff220) at invoke.h:149:25
frame #2: 0x000000010000399c a.out`int std::__1::__invoke_void_return_wrapper<int, false>::__call[abi:se200000]<int (*&)(int, int), int, int>(__args=0x000000016fdff280, __args=0x000000016fdff224, __args=0x000000016fdff220) at invoke.h:216:12
frame #3: 0x0000000100003968 a.out`std::__1::__function::__alloc_func<int (*)(int, int), std::__1::allocator<int (*)(int, int)>, int (int, int)>::operator()[abi:se200000](this=0x000000016fdff280, __arg=0x000000016fdff224, __arg=0x000000016fdff220) at function.h:171:12
frame #4: 0x00000001000026bc a.out`std::__1::__function::__func<int (*)(int, int), std::__1::allocator<int (*)(int, int)>, int (int, int)>::operator()(this=0x000000016fdff278, __arg=0x000000016fdff224, __arg=0x000000016fdff220) at function.h:313:10
frame #5: 0x0000000100003c38 a.out`std::__1::__function::__value_func<int (int, int)>::operator()[abi:se200000](this=0x000000016fdff278, __args=0x000000016fdff224, __args=0x000000016fdff220) const at function.h:430:12
frame #6: 0x0000000100002038 a.out`std::__1::function<int (int, int)>::operator()(this= Function = foo(int, int) , __arg=1, __arg=1) const at function.h:989:10
frame #7: 0x0000000100001f64 a.out`main(argc=1, argv=0x000000016fdff4f8) at main.cpp:9:10
frame #8: 0x0000000183cdf154 dyld`start + 2476
(lldb)
```
after
```
(lldb) bt
* thread #1, queue = 'com.apple.main-thread', stop reason = breakpoint 1.1
* frame #0: 0x0000000100001f04 a.out`foo(x=1, y=1) at main.cpp:4:10
frame #1: 0x0000000100003a00 a.out`decltype(std::declval<int (*&)(int, int)>()(std::declval<int>(), std::declval<int>())) std::__1::__invoke[abi:se200000]<int (*&)(int, int), int, int>(__f=0x000000016fdff280, __args=0x000000016fdff224, __args=0x000000016fdff220) at invoke.h:149:25
frame #2: 0x000000010000399c a.out`int std::__1::__invoke_void_return_wrapper<int, false>::__call[abi:se200000]<int (*&)(int, int), int, int>(__args=0x000000016fdff280, __args=0x000000016fdff224, __args=0x000000016fdff220) at invoke.h:216:12
frame #6: 0x0000000100002038 a.out`std::__1::function<int (int, int)>::operator()(this= Function = foo(int, int) , __arg=1, __arg=1) const at function.h:989:10
frame #7: 0x0000000100001f64 a.out`main(argc=1, argv=0x000000016fdff4f8) at main.cpp:9:10
frame #8: 0x0000000183cdf154 dyld`start + 2476
Note: Some frames were hidden by frame recognizers
```
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This patch tries to fix an issue with the windows debug builds where the
PDB file for python scripted interfaces cannot be opened since its path
length exceed the windows `MAX_PATH` limit:
https://github.com/llvm/llvm-project/pull/101672#issuecomment-2289481324
This patch addresses the issue by building all the interfaces as a
single library plugin that initiliazes each component as part of its
`Initialize` method, instead of building each interface as its own
library plugin.
This keeps the build artifact path length smaller while respecting the
naming convention and without making any exception in the build system.
Fixes #104895.
Signed-off-by: Med Ismail Bennani <ismail@bennani.ma>
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issue (#101672)
This reverts commit 9effefbae8d96006a4dd29bb9ab8532fd408559d.
With the include order in ScriptedProcessPythonInterface.cpp fixed
(though I cannot explain exactly why it works) and removes the /H flag
intended for debugging this issue.
I think it is something to do with Process.h pulling in PosixApi.h
somewhere along the line, and including Process.h after lldb-python.h
means that NO_PID_T is defined to prevent a redefinition of pid_t.
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This reverts commit e72cdae47b4e263ea97b2bdd75cf44c1510cf3be, which broke
LLVM's lldb builder for Windows msvc.
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This patch relands 2402b3213c2f to investigate the ambigious typedef
issue happening on the windows bots:
https://lab.llvm.org/buildbot/#/builders/141/builds/1175/
However this patch adds the `/H` compiler flag when building
the ScriptedProcessPythonInterface library to be able to investigate the
include order issue.
This patch will be revert after 1 failing run on the windows bot.
Signed-off-by: Med Ismail Bennani <ismail@bennani.ma>
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This reverts commit c35c4c72e4977258fc1da940e0470e8d0671bf07.
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This patch relands 2402b3213c2f to investigate the ambigious typedef
issue happening on the windows bots:
https://lab.llvm.org/buildbot/#/builders/141/builds/1175/
However this patch adds the `-H` compiler flag when building
the ScriptedProcessPythonInterface library to be able to investigate the
include order issue.
This patch will be revert after 1 failing run on the windows bot.
Signed-off-by: Med Ismail Bennani <ismail@bennani.ma>
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issue"
This reverts commit 6bd5fd35063cd14b0a56bc6f7fb1e7b6e1ac56d5.
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This patch relands 2402b3213c2f to investigate the ambigious typedef
issue happening on the windows bots:
https://lab.llvm.org/buildbot/#/builders/141/builds/1175/
However this patch adds the `-H` & `-MM` compiler flags when building
the ScriptedProcessPythonInterface library to be able to investigate the
include order issue.
This patch will be revert after 1 failing run on the windows bot.
Signed-off-by: Med Ismail Bennani <ismail@bennani.ma>
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This reverts commit 2402b3213c2f10d5033b31df3a0e59e4ad151fbd since it
breaks the windows bot:
https://lab.llvm.org/buildbot/#/builders/141/builds/1175/
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This patch is a follow-up to bccff3baeff8 which adds the
`ScriptedProcess` extension to the `scripting template list` command as
well as its description.
Signed-off-by: Med Ismail Bennani <ismail@bennani.ma>
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This patch is a follow-up to bccff3baeff8 which adds the
`OperatingSystem` extension to the `scripting template list` command as
well as its description.
Signed-off-by: Med Ismail Bennani <ismail@bennani.ma>
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This patch is a follow-up to bccff3baeff8 which adds the
`ScriptedPlatform` extension to the `scripting template list` command as
well as its description.
Signed-off-by: Med Ismail Bennani <ismail@bennani.ma>
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This patch introduces a new `template` multiword sub-command to the
`scripting` top-level command. As the name suggests, this sub-command
operates on scripting templates, and currently has the ability to
automatically discover the various scripting extensions that lldb
supports.
This was previously reviewed in #97273.
Signed-off-by: Med Ismail Bennani <ismail@bennani.ma>
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Reverts https://github.com/llvm/llvm-project/pull/97273 since it broke
the windows bot:
https://lab.llvm.org/buildbot/#/builders/141/builds/1025/steps/4/logs/stdio
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This patch tries to fix the following build failure on windows:
https://lab.llvm.org/buildbot/#/builders/141/builds/1083
This started happening following 2914a4b88837, and it seems to be caused
by some special `#include` ordering for the lldb-python header on Windows.
Signed-off-by: Med Ismail Bennani <ismail@bennani.ma>
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This patch introduces a new `template` multiword sub-command to the
`scripting` top-level command. As the name suggests, this sub-command
operates on scripting templates, and currently has the ability to
automatically discover the various scripting extensions that lldb
supports.
This was previously reviewed in #97273.
Signed-off-by: Med Ismail Bennani <ismail@bennani.ma>
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discovery" (#100273)
Reverts llvm/llvm-project#97273 since it broke the windows bot:
https://lab.llvm.org/buildbot/#/builders/141/builds/1025/steps/4/logs/stdio
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(#97273)
This patch introduces a new `template` multiword sub-command to the
`scripting` top-level command. As the name suggests, this sub-command
operates on scripting templates, and currently has the ability to
automatically discover the various scripting extensions that lldb
supports.
Signed-off-by: Med Ismail Bennani <ismail@bennani.ma>
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(#94823)
Among other things, returning an empty string as the repeat command
disables auto-repeat, which can be useful for state-changing commands.
There's one remaining refinement to this setup, which is that for parsed
script commands, it should be possible to change an option value, or add
a new option value that wasn't originally specified, then ask lldb "make
this back into a command string". That would make doing fancy things
with repeat commands easier.
That capability isn't present in the lldb_private side either, however.
So that's for a next iteration.
I haven't added this to the docs on adding commands yet. I wanted to
make sure this was an acceptable approach before I spend the time to do
that.
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