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The problem was in calling GetLoadAddress on a value in the error state,
where `ValueObject::GetLoadAddress` could end up accessing the
uninitialized "address type" by-ref return value from `GetAddressOf`.
This probably happened because each function expected the other to
initialize it.
We can guarantee initialization by turning this into a proper return
value.
I've added a test, but it only (reliably) crashes if lldb is built with
ubsan.
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(#138297)
This PR is in continuation of
https://github.com/llvm/llvm-project/pull/136693.
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deleters."
This reverts commit 45351120105a7257ccb1e38ec1b1f8a452269da2.
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deleters."
This reverts commit d366da97bd24ddfb91c9f260fa0aaf105d947652.
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The unique_ptr prettyprinter calls `GetValueOfLibCXXCompressedPair`,
which looks for a `__value_` child. However, when the second value in
the compressed pair is not an empty class, there are two `__value_`
children because `__compressed_pair` derives twice from
`__compressed_pair_elem`, one for each member of the pair. And then the
lookup fails because it's ambiguous.
This patch makes the following changes:
- Rename `GetValueOfLibCXXCompressedPair` to
`GetFirstValueOfLibCXXCompressedPair`, and add a similar function to
get the second value. Put both functions in
Plugin/Language/CPlusPlus/LibCxx.cpp because it seems inappropriate to
have libcxx-specific helpers separate from all the libcxx-dependent
code.
- Read the second value of the `__ptr_` pair and display a "deleter"
child in the unique_ptr synthetic child provider, when available.
- Add a test case for the non-empty deleter case.
Differential Revision: https://reviews.llvm.org/D148662
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All of these functions take a ConstString for the type_name,
but this isn't really needed for two reasons:
1.) This parameter is always constructed from a static c-string
constant.
2.) They are passed along to to `AddTypeSummary` as a StringRef anyway.
Differential Revision: https://reviews.llvm.org/D148050
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The main aim of this patch is to delete the remaining instances of code
reaching into the internals of `TypeCategoryImpl`. I made the following
changes:
- Add some more methods to `TieredFormatterContainer` and
`TypeCategoryImpl` to expose functionality that is implemented in
`FormattersContainer`.
- Add new overloads of `TypeCategoryImpl::AddTypeXXX` to make it easier
to add formatters to categories without reaching into the internal
`FormattersContainer` objects.
- Remove the `GetTypeXXXContainer` and `GetRegexTypeXXXContainer`
accessors from `TypeCategoryImpl` and update all call sites to use the
new methods instead.
Differential Revision: https://reviews.llvm.org/D135399
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started
The StringPrinter class was using a Process instance to read memory.
This automatically prevented it from working before starting the
program.
This patch changes the class to use the Target object for reading
memory, as targets are always available. This required moving
ReadStringFromMemory from Process to Target.
This is sufficient to make frame/target variable work, but further
changes are necessary for the expression evaluator. Preliminary analysis
indicates the failures are due to the expression result ValueObjects
failing to provide an address, presumably because we're operating on
file addresses before starting. I haven't looked into what would it take
to make that work.
Differential Revision: https://reviews.llvm.org/D113098
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This adds a formatter for libc++ std::unique_ptr.
I also refactored GetValueOfCompressedPair(...) out of LibCxxList.cpp since I need the same functionality and it made sense to share it.
Differential Revision: https://reviews.llvm.org/D76476
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Summary:
A *.cpp file header in LLDB (and in LLDB) should like this:
```
//===-- TestUtilities.cpp -------------------------------------------------===//
```
However in LLDB most of our source files have arbitrary changes to this format and
these changes are spreading through LLDB as folks usually just use the existing
source files as templates for their new files (most notably the unnecessary
editor language indicator `-*- C++ -*-` is spreading and in every review
someone is pointing out that this is wrong, resulting in people pointing out that this
is done in the same way in other files).
This patch removes most of these inconsistencies including the editor language indicators,
all the different missing/additional '-' characters, files that center the file name, missing
trailing `===//` (mostly caused by clang-format breaking the line).
Reviewers: aprantl, espindola, jfb, shafik, JDevlieghere
Reviewed By: JDevlieghere
Subscribers: dexonsmith, wuzish, emaste, sdardis, nemanjai, kbarton, MaskRay, atanasyan, arphaman, jfb, abidh, jsji, JDevlieghere, usaxena95, lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D73258
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There is now std::shared_ptr passed around which is expensive for manycore
CPUs. Most of the times (except for 3 cases) it is now just std::moved with no
CPU locks needed. It also makes it possible to sort the keys (which is now not
needed much after D66398).
Differential revision: https://reviews.llvm.org/D67049
llvm-svn: 370863
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Summary:
NFC = [[ https://llvm.org/docs/Lexicon.html#nfc | Non functional change ]]
This commit is the result of modernizing the LLDB codebase by using
`nullptr` instread of `0` or `NULL`. See
https://clang.llvm.org/extra/clang-tidy/checks/modernize-use-nullptr.html
for more information.
This is the command I ran and I to fix and format the code base:
```
run-clang-tidy.py \
-header-filter='.*' \
-checks='-*,modernize-use-nullptr' \
-fix ~/dev/llvm-project/lldb/.* \
-format \
-style LLVM \
-p ~/llvm-builds/debug-ninja-gcc
```
NOTE: There were also changes to `llvm/utils/unittest` but I did not
include them because I felt that maybe this library shall be updated in
isolation somehow.
NOTE: I know this is a rather large commit but it is a nobrainer in most
parts.
Reviewers: martong, espindola, shafik, #lldb, JDevlieghere
Reviewed By: JDevlieghere
Subscribers: arsenm, jvesely, nhaehnle, hiraditya, JDevlieghere, teemperor, rnkovacs, emaste, kubamracek, nemanjai, ki.stfu, javed.absar, arichardson, kbarton, jrtc27, MaskRay, atanasyan, dexonsmith, arphaman, jfb, jsji, jdoerfert, lldb-commits, llvm-commits
Tags: #lldb, #llvm
Differential Revision: https://reviews.llvm.org/D61847
llvm-svn: 361484
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While we don't have a bot, I'm testing by hand that this configuration
compiles. We'll probably set up one once I'm done flensing.
llvm-svn: 356171
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to reflect the new license.
We understand that people may be surprised that we're moving the header
entirely to discuss the new license. We checked this carefully with the
Foundation's lawyer and we believe this is the correct approach.
Essentially, all code in the project is now made available by the LLVM
project under our new license, so you will see that the license headers
include that license only. Some of our contributors have contributed
code under our old license, and accordingly, we have retained a copy of
our old license notice in the top-level files in each project and
repository.
llvm-svn: 351636
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This patch removes the comments grouping header includes. They were
added after running IWYU over the LLDB codebase. However they add little
value, are often outdates and burdensome to maintain.
llvm-svn: 346626
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This moves the following classes from Core -> Utility.
ConstString
Error
RegularExpression
Stream
StreamString
The goal here is to get lldbUtility into a state where it has
no dependendencies except on itself and LLVM, so it can be the
starting point at which to start untangling LLDB's dependencies.
These are all low level and very widely used classes, and
previously lldbUtility had dependencies up to lldbCore in order
to use these classes. So moving then down to lldbUtility makes
sense from both the short term and long term perspective in
solving this problem.
Differential Revision: https://reviews.llvm.org/D29427
llvm-svn: 293941
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This updates getters and setters to use StringRef instead of
const char *. I tested the build on Linux, Windows, and OSX
and saw no build or test failures. I cannot test any BSD
or Android variants, however I expect the required changes
to be minimal or non-existant.
llvm-svn: 282079
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*** to conform to clang-format’s LLVM style. This kind of mass change has
*** two obvious implications:
Firstly, merging this particular commit into a downstream fork may be a huge
effort. Alternatively, it may be worth merging all changes up to this commit,
performing the same reformatting operation locally, and then discarding the
merge for this particular commit. The commands used to accomplish this
reformatting were as follows (with current working directory as the root of
the repository):
find . \( -iname "*.c" -or -iname "*.cpp" -or -iname "*.h" -or -iname "*.mm" \) -exec clang-format -i {} +
find . -iname "*.py" -exec autopep8 --in-place --aggressive --aggressive {} + ;
The version of clang-format used was 3.9.0, and autopep8 was 1.2.4.
Secondly, “blame” style tools will generally point to this commit instead of
a meaningful prior commit. There are alternatives available that will attempt
to look through this change and find the appropriate prior commit. YMMV.
llvm-svn: 280751
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Fixes <rdar://problem/25629755>
llvm-svn: 265849
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Turns out that most of the code that runs expressions (e.g. the ObjC runtime grubber) on
behalf of the expression parser was using the currently selected thread. But sometimes,
e.g. when we are evaluating breakpoint conditions/commands, we don't select the thread
we're running on, we instead set the context for the interpreter, and explicitly pass
that to other callers. That wasn't getting communicated to these utility expressions, so
they would run on some other thread instead, and that could cause a variety of subtle and
hard to reproduce problems.
I also went through the commands and cleaned up the use of GetSelectedThread. All those
uses should have been trying the thread in the m_exe_ctx belonging to the command object
first. It would actually have been pretty hard to get misbehavior in these cases, but for
correctness sake it is good to make this usage consistent.
<rdar://problem/24978569>
llvm-svn: 263326
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llvm-svn: 253093
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llvm-svn: 250798
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argument, and use it when crafting summaries by running selectors
This is the first in a series of commits that are meant to teach LLDB how to properly handle multi-language formatting of values
llvm-svn: 249503
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Suppose we have the UTF-16 string:
char16_t[] s = u"hello";
Before this patch, evaluating the string in lldb would get:
(char16_t [6]) $0 = ([0] = U+0068 u'h', [1] = U+0065 u'e', [2] = U+006c u'l', [3] = U+006c u'l', [4] = U+006f u'o', [5] = U+0000 u'\0')
After applying the patch, we now get:
(char16_t [6]) $0 = u"hello"
Patch from evgeny.leviant@gmail.com
Reviewed by: granata.enrico
Subscribers: lldb-commits
Differential Revision: http://reviews.llvm.org/D13053
llvm-svn: 248555
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What that does is it restricts formatters in those categories to only match to types coming from "compatible" source languages
llvm-svn: 247872
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files, so that things are better organized along the C++/ObjC line
This is preparatory work for moving these formatters into language categories
llvm-svn: 246827
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their own file
These are useful helpers over the low-level API of the FormattersContainer, and since we're actually going to start moving formatters into plugins, it makes sense to simplify things
llvm-svn: 246612
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