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Increase specificity by using the correct unit sizes. KBytes is an
abbreviation for kB, 1000 bytes, and the hardware industry as well as
several operating systems have now switched to using 1000 byte kBs.
If this change is acceptable, sometimes GitHub mangles merges to use the
original email of the account. $dayjob asks contributions have my work
email. Thanks!
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Recognize the visionOS Triple::OSType::XROS os type. Some of these have
already been landed on main, but I reviewed the downstream sources and
there were a few that still needed to be landed upstream.
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This patch adds support for setting/clearing hardware watchpoints and
breakpoints on LoongArch 64-bit hardware.
Refer to the following document for the hw break/watchpoint:
https://loongson.github.io/LoongArch-Documentation/LoongArch-Vol1-EN.html#control-and-status-registers-related-to-watchpoints
Fix Failed Tests:
lldb-shell :: Subprocess/clone-follow-child-wp.test
lldb-shell :: Subprocess/clone-follow-parent-wp.test
lldb-shell :: Subprocess/fork-follow-child-wp.test
lldb-shell :: Subprocess/fork-follow-parent-wp.test
lldb-shell :: Subprocess/vfork-follow-child-wp.test
lldb-shell :: Subprocess/vfork-follow-parent-wp.test
lldb-shell :: Watchpoint/ExpressionLanguage.test
Depends on: #118043
Reviewed By: SixWeining
Pull Request: https://github.com/llvm/llvm-project/pull/118770
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This patch makes gdb-server sends only GDB RSP supported error codes
during vFile:open and vFile:unlink handling.
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(NFC) (#92476)
Note that StringRef::equals has been deprecated in favor of
operator==(StringRef, StringRef).
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In Android API level 23 and above, dynamic loader is able to load .so file
directly from APK, which is zip file.
https://android.googlesource.com/platform/bionic/+/master/
android-changes-for-ndk-developers.md#
opening-shared-libraries-directly-from-an-apk
The .so file is page aligned and uncompressed, so
ObjectFileELF::GetModuleSpecifications works with .so file offset and size
directly from zip file without extracting it. (D152757)
GDBRemoteCommunicationServerCommon::GetModuleInfo returns a module spec to LLDB
with "zip_path!/so_path" file spec, which is passed through from Android
dynamic loader, and the .so file offset and size.
PlatformAndroid::DownloadModuleSlice uses 'shell dd' to download the .so file
slice from the zip file with the .so file offset and size.
Differential Revision: https://reviews.llvm.org/D152759
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The qHostInfo packet in the gdb-remote communication protocol specifies
that distribution_id can be set, so lldb handles that. But we store that
in the ArchSpec representing the "Host" platform (whatever platform the
debug server is running on). This field is otherwise unused in ArchSpec,
so it would be a lot easier if we stored that information at the
gdb-remote communication layer.
Sidenote: The distribution_id field is currently unused but I did not
want to remove it in case some folks found it useful (e.g. in downstream
forks).
Differential Revision: https://reviews.llvm.org/D149697
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I also ran `git clang-format` to get the headers in the right order for
the new location, which has changed the order of other headers in two
files.
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This patch replaces (llvm::|)Optional< with std::optional<. I'll post
a separate patch to clean up the "using" declarations, #include
"llvm/ADT/Optional.h", etc.
This is part of an effort to migrate from llvm::Optional to
std::optional:
https://discourse.llvm.org/t/deprecating-llvm-optional-x-hasvalue-getvalue-getvalueor/63716
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This patch adds #include <optional> to those files containing
llvm::Optional<...> or Optional<...>.
I'll post a separate patch to actually replace llvm::Optional with
std::optional.
This is part of an effort to migrate from llvm::Optional to
std::optional:
https://discourse.llvm.org/t/deprecating-llvm-optional-x-hasvalue-getvalue-getvalueor/63716
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This reverts commit fbaf48be0ff6fb24b9aa8fe9c2284fe88a8798dd.
This has broken all LLDB buildbots:
https://lab.llvm.org/buildbot/#/builders/68/builds/44990
https://lab.llvm.org/buildbot/#/builders/96/builds/33160
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Removing .c_str() has a semantics difference, but the use scenarios
likely do not matter as we don't have NUL in the strings.
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Move the broadcasting support from GDBRemoteCommunication
to GDBRemoteClientBase since this is where it is actually used. Remove
GDBRemoteCommunication and subclass constructor arguments left over
after Communication cleanup.
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.llvm.org/D133427
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Suppress coverity false positives.
This diff contains comments only, including the hints for Coverity static code inspection
to suppress the warning originating at the next line after the comment.
Differential Revision: https://reviews.llvm.org/D131998
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caching of resolved/absolute.
Resubmission of https://reviews.llvm.org/D130309 with the 2 patches that fixed the linux buildbot, and new windows fixes.
The FileSpec APIs allow users to modify instance variables directly by getting a non const reference to the directory and filename instance variables. This makes it impossible to control all of the times the FileSpec object is modified so we can clear cached member variables like m_resolved and with an upcoming patch caching if the file is relative or absolute. This patch modifies the APIs of FileSpec so no one can modify the directory or filename instance variables directly by adding set accessors and by removing the get accessors that are non const.
Many clients were using FileSpec::GetCString(...) which returned a unique C string from a ConstString'ified version of the result of GetPath() which returned a std::string. This caused many locations to use this convenient function incorrectly and could cause many strings to be added to the constant string pool that didn't need to. Most clients were converted to using FileSpec::GetPath().c_str() when possible. Other clients were modified to use the newly renamed version of this function which returns an actualy ConstString:
ConstString FileSpec::GetPathAsConstString(bool denormalize = true) const;
This avoids the issue where people were getting an already uniqued "const char *" that came from a ConstString only to put the "const char *" back into a "ConstString" object. By returning the ConstString instead of a "const char *" clients can be more efficient with the result.
The patch:
- Removes the non const GetDirectory() and GetFilename() get accessors
- Adds set accessors to replace the above functions: SetDirectory() and SetFilename().
- Adds ClearDirectory() and ClearFilename() to replace usage of the FileSpec::GetDirectory().Clear()/FileSpec::GetFilename().Clear() call sites
- Fixed all incorrect usage of FileSpec::GetCString() to use FileSpec::GetPath().c_str() where appropriate, and updated other call sites that wanted a ConstString to use the newly returned ConstString appropriately and efficiently.
Differential Revision: https://reviews.llvm.org/D130549
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adding caching of resolved/absolute." and follow-ups
This reverts commit 9429b67b8e300e638d7828bbcb95585f85c4df4d.
It broke the build on Windows, see comments on https://reviews.llvm.org/D130309
It also reverts these follow-ups:
Revert "Fix buildbot breakage after https://reviews.llvm.org/D130309."
This reverts commit f959d815f4637890ebbacca379f1c38ab47e4e14.
Revert "Fix buildbot breakage after https://reviews.llvm.org/D130309."
This reverts commit 0bbce7a4c2d2bff622bdadd4323f93f5d90e6d24.
Revert "Cache the value for absolute path in FileSpec."
This reverts commit dabe877248b85b34878e75d5510339325ee087d0.
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caching of resolved/absolute.
The FileSpect APIs allow users to modify instance variables directly by getting a non const reference to the directory and filename instance variables. This makes it impossibly to control all of the times the FileSpec object is modified so we can clear the cache. This patch modifies the APIs of FileSpec so no one can modify the directory or filename directly by adding set accessors and by removing the get accessors that are non const.
Many clients were using FileSpec::GetCString(...) which returned a unique C string from a ConstString'ified version of the result of GetPath() which returned a std::string. This caused many locations to use this convenient function incorrectly and could cause many strings to be added to the constant string pool that didn't need to. Most clients were converted to using FileSpec::GetPath().c_str() when possible. Other clients were modified to use the newly renamed version of this function which returns an actualy ConstString:
ConstString FileSpec::GetPathAsConstString(bool denormalize = true) const;
This avoids the issue where people were getting an already uniqued "const char *" that came from a ConstString only to put the "const char *" back into a "ConstString" object. By returning the ConstString instead of a "const char *" clients can be more efficient with the result.
The patch:
- Removes the non const GetDirectory() and GetFilename() get accessors
- Adds set accessors to replace the above functions: SetDirectory() and SetFilename().
- Adds ClearDirectory() and ClearFilename() to replace usage of the FileSpec::GetDirectory().Clear()/FileSpec::GetFilename().Clear() call sites
- Fixed all incorrect usage of FileSpec::GetCString() to use FileSpec::GetPath().c_str() where appropriate, and updated other call sites that wanted a ConstString to use the newly returned ConstString appropriately and efficiently.
Differential Revision: https://reviews.llvm.org/D130309
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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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Fix the fill_clamp() function to handle signed source types. Make sure
that the source value is always non-negative, and cast it to unsigned
when verifying the upper bound. This fixes compiler warnings about
comparing unsigned and signed types.
Differential Revision: https://reviews.llvm.org/D113519
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GDB and LLDB use different signal models. GDB uses a predefined set
of signal codes, and maps platform's signos to them. On the other hand,
LLDB has historically simply passed native signos.
In order to improve compatibility between LLDB and gdbserver, the GDB
signal model should be used. However, GDB does not provide a mapping
for all existing signals on Linux and unsupported signals are passed
as 'unknown'. Limiting LLDB to this behavior could be considered
a regression.
To get the best of both worlds, use the LLDB signal model when talking
to lldb-server, and the GDB signal model otherwise. For this purpose,
new versions of lldb-server indicate "native-signals+" via qSupported.
At the same time, we also detect older versions of lldb-server
via QThreadSuffixSupported for backwards compatibility. If neither test
succeeds, we assume gdbserver or another implementation using GDB model.
Differential Revision: https://reviews.llvm.org/D108078
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Replace bool+by-ref argument with llvm::Optional, and move the common
implementation into HostInfoPOSIX. Based on my (simple) experiment,
the uname and the sysctl approach return the same value on MacOS, so
there's no need for a mac-specific implementation of this functionality.
Differential Revision: https://reviews.llvm.org/D112457
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GDB uses normalized errno values for vFile errors. Implement
the translation between them and system errno values in the gdb-remote
plugin.
Differential Revision: https://reviews.llvm.org/D108148
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Add two new commands 'platform get-file-permissions' and 'platform
file-exists' for the respective bits of LLDB protocol. Add tests for
them. Fix error handling in GetFilePermissions().
Differential Revision: https://reviews.llvm.org/D107809
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Now with an #ifdef for WIN32.
Differential Revision: https://reviews.llvm.org/D107840
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This reverts commit 9e886fbb18b525c080c04f4a12bd481c9aa849c0. It breaks
on Windows.
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Differential Revision: https://reviews.llvm.org/D107840
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Use hexadecimal numbers rather than decimal in various vFile packets
in order to fix compatibility with gdbserver. This also changes the few
custom LLDB packets -- while technically they do not have to be changed,
it is easier to use the same syntax consistently across LLDB.
Differential Revision: https://reviews.llvm.org/D107475
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Sync the mode constants used to drive vFile:open requests with these
used by GDB and defined for the gdb remote protocol. This makes it
possible to use 'platform file open' after connecting to gdbremote
server (and to some degree to operate on the open file modulo other
incompatibilities).
Differential Revision: https://reviews.llvm.org/D106985
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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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These were in the shared llgs+platform code, but they only make sense
for llgs (as they deal with how the server reports information about
debugged processes).
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Refactor handling qSupported to use a virtual HandleFeatures() method.
The client-provided features are split into an array and passed
to the method. The method returns an array of server features that are
concatenated into the qSupported response to the server.
The base implementation of HandleFeatures()
in GDBRemoteCommunicationServerCommon now includes only flags common
to both platform server and llgs, while llgs-specific flags are inserted
in GDBRemoteCommunicationServerLLGS.
Differential Revision: https://reviews.llvm.org/D100140
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Add a minimal support for the multiprocess extension in lldb-server.
The server indicates support for it via qSupported, and accepts
thread-ids containing a PID. However, it still does not support
debugging more than one inferior, so any other PID value results
in an error.
Differential Revision: https://reviews.llvm.org/D98482
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Add a new FreeBSD Process plugin using client/server model. This plugin
is based on the one used by NetBSD. It currently supports a subset
of functionality for amd64. It is automatically used when spawning
lldb-server. It can also be used by lldb client by setting
FREEBSD_REMOTE_PLUGIN environment variable (to any value).
The code is capable of debugging simple single-threaded programs. It
supports general purpose, debug and FPU registers (up to XMM) of amd64,
basic signalling, software breakpoints.
Adding the support for the plugin involves removing some dead code
from FreeBSDPlatform plugin (that was not ever used because
CanDebugProcess() returned false), and replacing it with appropriate
code from NetBSD platform support.
Differential Revision: https://reviews.llvm.org/D88796
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Replace ProcessInstanceInfoList with std::vector<ProcessInstanceInfo>
and update the call sites.
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Summary:
Requesting registers one by one takes a while in our project.
We want to get rid of it by using target.xml.
Reviewers: jarin, labath, omjavaid
Reviewed By: labath, omjavaid
Subscribers: omjavaid, lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D74217
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This patch cause floating point registers to fail on LLDB aarch64-linux
buildbot.
http://lab.llvm.org:8011/builders/lldb-aarch64-ubuntu/builds/1713
This reverts commit aedc196101e33bd58f7443c5b93398418ce55edf.
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Summary:
Synthesize target.xml in lldb-server to avoid a long chain of
qRegisterInfo packets, which can be slow over low-latency links.
Reviewers: jarin, labath
Reviewed By: labath
Subscribers: lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D74217
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This is how it should've been and brings it more in line with
std::string_view. There should be no functional change here.
This is mostly mechanical from a custom clang-tidy check, with a lot of
manual fixups. It uncovers a lot of minor inefficiencies.
This doesn't actually modify StringRef yet, I'll do that in a follow-up.
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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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Rename LLDB_DISABLE_POSIX to LLDB_ENABLE_POSIX and use cmakedefine01 for
consistency.
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that runs on arm64 ISA targets, specifically
Apple watches.
Differential Revision: https://reviews.llvm.org/D68858
llvm-svn: 375032
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Summary:
The qfProcessInfo and qsProcessInfo packets currently don't set the processes' arguments, however the platform process list -v command tries to print it.
In this diff I'm adding the arguments as part of the packet, and now the command shows the arguments just like on mac.
On Mac:
507 1 wallace 1876110778 wallace 1876110778 x86_64-apple-macosx /usr/libexec/secd
503 1 wallace 1876110778 wallace 1876110778 x86_64-apple-macosx /usr/libexec/secinitd
501 1 wallace 1876110778 wallace 1876110778 x86_64-apple-macosx /usr/libexec/languageassetd --firstLogin
497 1 wallace 1876110778 wallace 1876110778 x86_64-apple-macosx /usr/libexec/trustd --agent
496 1 wallace 1876110778 wallace 1876110778 x86_64-apple-macosx /usr/libexec/lsd
494 1 wallace 1876110778 wallace 1876110778 x86_64-apple-macosx /System/Library/Frameworks/CoreTelephony.framework/Support/CommCenter -L
491 1 wallace 1876110778 wallace 1876110778 x86_64-apple-macosx /usr/sbin/distnoted agent
489 1 wallace 1876110778 wallace 1876110778 x86_64-apple-macosx /usr/libexec/UserEventAgent (Aqua)
484 1 wallace 1876110778 wallace 1876110778 x86_64-apple-macosx /usr/sbin/cfprefsd agent
483 1 wallace 1876110778 wallace 1876110778 x86_64-apple-macosx /System/Library/Frameworks/LocalAuthentication.framework/Support/coreauthd
On android:
1561 1016 root 0 0 aarch64-unknown-linux-android /system/bin/ip6tables-restore--noflush -w -v
1805 982 1000 1000 1000 android:drmService
1811 982 10189 10189 10189 com.qualcomm.embms:remote
1999 1 1000 1000 1000 aarch64-unknown-linux-android /system/bin/tlc_serverCCM
2332 982 10038 10038 10038 com.android.systemui
2378 983 1053 1053 1053 webview_zygote
2448 982 5013 5013 5013 com.sec.location.nsflp2
2465 982 10027 10027 10027 com.google.android.gms.persistent
Differential Revision: https://reviews.llvm.org/D68293
llvm-svn: 375029
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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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