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StreamFile subclasses Stream (from lldbUtility) and is backed by a File
(from lldbHost). It does not depend on anything from lldbCore or any of its
sibling libraries, so I think it makes sense for this to live in
lldbHost instead.
Differential Revision: https://reviews.llvm.org/D157460
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Most of our code was including Log.h even though that is not where the
"lldb" log channel is defined (Log.h defines the generic logging
infrastructure). This worked because Log.h included Logging.h, even
though it should.
After the recent refactor, it became impossible the two files include
each other in this direction (the opposite inclusion is needed), so this
patch removes the workaround that was put in place and cleans up all
files to include the right thing. It also renames the file to LLDBLog to
better reflect its purpose.
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Modify OpenOptions enum to open the future path into synchronizing
vFile:open bits with GDB. Currently, LLDB and GDB use different flag
models effectively making it impossible to match bits. Notably, LLDB
uses two bits to indicate read and write status, and uses union of both
for read/write. GDB uses a value of 0 for read-only, 1 for write-only
and 2 for read/write.
In order to future-proof the code for the GDB variant:
1. Add a distinct eOpenOptionReadWrite constant to be used instead
of (eOpenOptionRead | eOpenOptionWrite) when R/W access is required.
2. Rename eOpenOptionRead and eOpenOptionWrite to eOpenOptionReadOnly
and eOpenOptionWriteOnly respectively, to make it clear that they
do not mean to be combined and require update to all call sites.
3. Use the intersection of all three flags when matching against
the three possible values.
This commit does not change the actual bits used by LLDB.
Differential Revision: https://reviews.llvm.org/D106984
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Replace default bodies of special member functions with = default;
$ run-clang-tidy.py -header-filter='lldb' -checks='-*,modernize-use-equals-default' -fix ,
https://clang.llvm.org/extra/clang-tidy/checks/modernize-use-equals-default.html
Differential revision: https://reviews.llvm.org/D104041
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The C headers are deprecated so as requested in D102845, this is replacing them
all with their (not deprecated) C++ equivalent.
Reviewed By: shafik
Differential Revision: https://reviews.llvm.org/D103084
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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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Summary:
This patch re-types everywhere that passes a File::OpenOptions
as a uint32_t so it actually uses File::OpenOptions.
It also converts some OpenOptions related functions that fail
by returning 0 or NULL into llvm::Expected
split off from https://reviews.llvm.org/D68737
Reviewers: JDevlieghere, jasonmolenda, labath
Reviewed By: labath
Subscribers: lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D68853
llvm-svn: 374817
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Summary:
This patch factors out File as an abstract base
class and moves most of its actual functionality into
a subclass called NativeFile. In the next patch,
I'm going to be adding subclasses of File that
don't necessarily have any connection to actual OS files,
so they will not inherit from NativeFile.
This patch was split out as a prerequisite for
https://reviews.llvm.org/D68188
Reviewers: JDevlieghere, jasonmolenda, labath
Reviewed By: labath
Subscribers: lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D68317
llvm-svn: 373564
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Summary:
This patch converts FileSystem::Open from this prototype:
Status
Open(File &File, const FileSpec &file_spec, ...);
to this one:
llvm::Expected<std::unique_ptr<File>>
Open(const FileSpec &file_spec, ...);
This is beneficial on its own, as llvm::Expected is a more modern
and recommended error type than Status. It is also a necessary step
towards https://reviews.llvm.org/D67891, and further developments
for lldb_private::File.
Reviewers: JDevlieghere, jasonmolenda, labath
Reviewed By: labath
Subscribers: mgorny, lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D67996
llvm-svn: 373003
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lvm_private::File::GetStream() can fail if m_options == 0
It's not clear from the header a File created with a descriptor will be
not be usable by many parts of LLDB unless SetOptions is also called,
but it is.
This is because those parts of LLDB rely on GetStream() to use the
file, and that in turn relies on calling fdopen on the descriptor. When
calling fdopen, GetStream relies on m_options to determine the access
mode. If m_options has never been set, GetStream() will fail.
This patch adds options as a required argument to File::SetDescriptor
and the corresponding constructor.
Patch by: Lawrence D'Anna
Differential revision: https://reviews.llvm.org/D67792
llvm-svn: 372652
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A lot of comments in LLDB are surrounded by an ASCII line to delimit the
begging and end of the comment.
Its use is not really consistent across the code base, sometimes the
lines are longer, sometimes they are shorter and sometimes they are
omitted. Furthermore, it looks kind of weird with the 80 column limit,
where the comment actually extends past the line, but not by much.
Furthermore, when /// is used for Doxygen comments, it looks
particularly odd. And when // is used, it incorrectly gives the
impression that it's actually a Doxygen comment.
I assume these lines were added to improve distinguishing between
comments and code. However, given that todays editors and IDEs do a
great job at highlighting comments, I think it's worth to drop this for
the sake of consistency. The alternative is fixing all the
inconsistencies, which would create a lot more churn.
Differential revision: https://reviews.llvm.org/D60508
llvm-svn: 358135
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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 modifies how we open File instances in LLDB. Rather than
passing a path or FileSpec to the constructor, we now go through the
virtual file system. This is needed in order to make things work with
the VFS in the future.
Differential revision: https://reviews.llvm.org/D54020
llvm-svn: 346049
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Summary:
This patch allows LLDB's Stream class to count the bytes it has written to so far.
There are two major motivations for this patch:
The first one is that this will allow us to get rid of all the handwritten byte counting code
we have in LLDB so far. Examples for this are pretty much all functions in LLDB that
take a Stream to write to and return a size_t, which usually represents the bytes written.
By moving to this centralized byte counting mechanism, we hopefully can avoid some
tricky errors that happen when some code forgets to count the written bytes while
writing something to a stream.
The second motivation is that this is needed for the migration away from LLDB's `Stream`
and towards LLVM's `raw_ostream`. My current plan is to start offering a fake raw_ostream
class that just forwards to a LLDB Stream.
However, for this raw_ostream wrapper we need to fulfill the raw_ostream interface with
LLDB's Stream, which currently lacks the ability to count the bytes written so far (which
raw_ostream exposes by it's `tell()` method). By adding this functionality it is trivial to start
rolling out our raw_ostream wrapper (and then eventually completely move to raw_ostream).
Also, once this fake raw_ostream is available, we can start replacing our own code writing
to LLDB's Stream by LLVM code writing to raw_ostream. The best example for this is the
LEB128 encoding we currently ship, which can be replaced with by LLVM's version which
accepts an raw_ostream.
From the point of view of the pure source changes this test does, we essentially just renamed
the Write implementation in Stream to `WriteImpl` while the `Write` method everyone is using
to write its raw bytes is now just forwarding and counting the written bytes.
Reviewers: labath, davide
Reviewed By: labath
Subscribers: JDevlieghere, lldb-commits
Differential Revision: https://reviews.llvm.org/D50159
llvm-svn: 338733
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This adjusts header file includes for headers and source files
in Core. In doing so, one dependency cycle is eliminated
because all the includes from Core to that project were dead
includes anyway. In places where some files in other projects
were only compiling due to a transitive include from another
header, fixups have been made so that those files also include
the header they need. Tested on Windows and Linux, and plan
to address failures on OSX and FreeBSD after watching the
bots.
llvm-svn: 299714
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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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*** 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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Summary:
Presently, if a log file already exists, lldb simply starts overwriting bits of it, without
truncating or anything. This patch makes it use eFileOptionFileTruncate by default. It also adds
an --append option, which will append to the file without truncating. A test is included.
Reviewers: clayborg
Subscribers: lldb-commits
Differential Revision: http://reviews.llvm.org/D8450
llvm-svn: 232801
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Summary:
This commit adds a new open flag File::eOpenOptionCloseOnExec (i.e., O_CLOEXEC), and adds it to
the list of flags when opening log files (#ifndef windows). A regression test is included.
Reviewers: vharron, clayborg
Subscribers: lldb-commits
Differential Revision: http://reviews.llvm.org/D7412
llvm-svn: 228310
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Example code:
remote_platform = lldb.SBPlatform("remote-macosx");
remote_platform.SetWorkingDirectory("/private/tmp")
debugger.SetSelectedPlatform(remote_platform)
connect_options = lldb.SBPlatformConnectOptions("connect://localhost:1111");
err = remote_platform.ConnectRemote(connect_options)
if err.Success():
print >> result, 'Connected to remote platform:'
print >> result, 'hostname: %s' % (remote_platform.GetHostname())
src = lldb.SBFileSpec("/Applications/Xcode.app/Contents/SharedFrameworks/LLDB.framework", False)
dst = lldb.SBFileSpec()
# copy src to platform working directory since "dst" is empty
err = remote_platform.Install(src, dst);
if err.Success():
print >> result, '%s installed successfully' % (src)
else:
print >> result, 'error: failed to install "%s": %s' % (src, err)
Implemented many calls needed in lldb-platform to be able to install a directory that contains symlinks, file and directories.
The remote lldb-platform can now launch GDB servers on the remote system so that remote debugging can be spawned through the remote platform when connected to a remote platform.
The API in SBPlatform is subject to change and will be getting many new functions.
llvm-svn: 195273
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Major fixed to allow reading files that are over 4GB. The main problems were that the DataExtractor was using 32 bit offsets as a data cursor, and since we mmap all of our object files we could run into cases where if we had a very large core file that was over 4GB, we were running into the 4GB boundary.
So I defined a new "lldb::offset_t" which should be used for all file offsets.
After making this change, I enabled warnings for data loss and for enexpected implicit conversions temporarily and found a ton of things that I fixed.
Any functions that take an index internally, should use "size_t" for any indexes and also should return "size_t" for any sizes of collections.
llvm-svn: 173463
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layer a bit more.
llvm-svn: 125149
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the lldb/source/Host/*.cpp and lldb/source/Host/*/*.cpp directories. The only
offenders are the command completion and the StreamFile.cpp.
I will soon modify StreamFile.cpp to use a lldb/source/Host/File.cpp so that
all file open, close, read, write, seek, are abstracted into the host layer
as well, then this will be gone.
llvm-svn: 125082
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flags such that symbols can be searched for within a shared library if desired.
Platforms that support the RTLD_FIRST flag can still take advantage of their
quicker lookups, and other platforms can still get the same fucntionality
with a little extra work.
Also changed LLDB_CONFIG flags over to either being defined, or not being
defined to stay in line with current open source practices and to prepare for
using autoconf or cmake to configure LLDB builds.
llvm-svn: 125064
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llvm-svn: 124944
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llvm-svn: 124943
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enable -f file" to line buffer the log output.
llvm-svn: 124107
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use inside lldb (lldb_private::StreamFile, and lldb_private::StreamString).
llvm-svn: 114188
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enabled LLVM make style building and made this compile LLDB on Mac OS X. We
can now iterate on this to make the build work on both linux and macosx.
llvm-svn: 108009
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llvm-svn: 105712
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llvm-svn: 105619
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