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and implement them for dwim-print (a.k.a. `p`) as an example.
The next step will be to expose them as structured data in
SBCommandReturnObject.
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This patch replaces uses of StringRef::{starts,ends}with with
StringRef::{starts,ends}_with for consistency with
std::{string,string_view}::{starts,ends}_with in C++20.
I'm planning to deprecate and eventually remove
StringRef::{starts,ends}with.
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This patch implements the thread local storage support for linux
(https://github.com/llvm/llvm-project/issues/28766).
TLS feature is originally only implemented for Mac. With my previous
patch to enable `fs_base` register for Linux
(https://reviews.llvm.org/D155256), now it is feasible to implement this
feature for Linux.
The major changes are:
* Track the main module's link address during launch
* Fetch thread pointer from `fs_base` register
* Create register alias for thread pointer
* Read pthread metadata from target memory instead of process so that it
works for coredump
With the patch the failing test is passing now. Note: I am only enabling
this test for Mac and Linux because I do not have machine to test for
FreeBSD/NetBSD.
---------
Co-authored-by: jeffreytan81 <jeffreytan@fb.com>
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Those fixes were taken from https://reviews.llvm.org/D137338
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Having the names of various shells in ConstString's StringPool is not
really necessary, especially if they are otherwise not going to be there
in the first place. For example, if the person debugging uses bash on
their system, the `shell` parameter will have its `m_filename` set to a
ConstString containing "bash". However, fish, tcsh, zsh, and sh will
probably never be used and are just taking up space in the StringPool.
Differential Revision: https://reviews.llvm.org/D148402
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This is a follow-up to https://reviews.llvm.org/D140896, split into
several parts as it touches a lot of files.
Differential Revision: https://reviews.llvm.org/D141298
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This patch removes the remaining reproducer code. The SBReproducer class
remains for ABI stability but is just an empty shell. This completes the
removal process outlined on the mailing list [1].
[1] https://lists.llvm.org/pipermail/lldb-dev/2021-September/017045.html
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commands.""
This reverts commit ac05bc0524c66c74278b26742896a4c634c034cf.
I had incorrectly removed one set of checks in the option handling in
Options::ParseAlias because I couldn't see what it is for. It was a
bit obscure, but it handled the case where you pass "-something=other --"
as the input_line, which caused the built-in "run" alias not to return
the right value for IsDashDashCommand, causing TestHelp.py to fail.
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This reverts commit 6c089b2af5d8d98f66b27b67f70958f520820a76.
This was causing the test test_help_run_hides_options from TestHelp.py to
fail on Linux and Windows (but the test succeeds on macOS). The decision
to print option information is determined by CommandObjectAlias::IsDashDashCommand
which was changed, but only by replacing an inline string constant with a const char *
CommandInterpreter::g_argument which has the same string value. I can't see why this
would fail, I'll have to spin up a vm to see if I can repo there.
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This is particularly a problem for alias construction, where you might
want to have a backtick surrounded option in the alias. Before this
patch:
command alias expression -Z \`argc\` -- argv
for instance would be rendered as:
expression -Z argc -- argv
and would fail to work.
Differential Revision: https://reviews.llvm.org/D133045
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LLDB supports having globbing regexes in the process launch arguments
that will be resolved using the user's shell. This requires that we pass
the launch args to the shell and then read back the expanded arguments
using LLDB's argdumper utility.
As the shell will not just expand the globbing regexes but all special
characters, we need to escape all non-globbing charcters such as $, &,
<, >, etc. as those otherwise are interpreted and removed in the step
where we expand the globbing characters. Also because the special
characters are shell-specific, LLDB needs to maintain a list of all the
characters that need to be escaped for each specific shell.
This patch adds the list of special characters that need to be escaped
for fish. Without this patch on systems where fish is the user's shell
having any of these special characters in your arguments or path to
the binary will cause the process launch to fail. E.g., `lldb -- ./calc
1<2` is failing without this patch. The same happens if the absolute
path to calc is in a directory that contains for example parentheses
or other special characters.
Differential revision: https://reviews.llvm.org/D104635
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Unlike for any of the other shells, we were escaping $ when using tcsh.
There's nothing special about $ in tcsh and this prevents you from
expanding shell variables, one of the main reasons this functionality
exists in the first place.
Differential revision: https://reviews.llvm.org/D123690
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LLDB supports having globbing regexes in the process launch arguments
that will be resolved using the user's shell. This requires that we pass
the launch args to the shell and then read back the expanded arguments
using LLDB's argdumper utility.
As the shell will not just expand the globbing regexes but all special
characters, we need to escape all non-globbing charcters such as $, &,
<, >, etc. as those otherwise are interpreted and removed in the step
where we expand the globbing characters. Also because the special
characters are shell-specific, LLDB needs to maintain a list of all the
characters that need to be escaped for each specific shell.
This patch adds the missing semicolon character to the escape list for
all currently supported shells. Without this having a semicolon in the
binary path or having a semicolon in the launch arguments will cause the
argdumping process to fail. E.g., lldb -- ./calc "a;b" was failing
before but is working now.
Fixes rdar://55776943
Differential revision: https://reviews.llvm.org/D104629
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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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LLDB supports having globbing regexes in the process launch arguments that will
be resolved using the user's shell. This requires that we pass the launch args
to the shell and then read back the expanded arguments using LLDB's argdumper
utility.
As the shell will not just expand the globbing regexes but all special
characters, we need to escape all non-globbing charcters such as $, &, <, >,
etc. as those otherwise are interpreted and removed in the step where we expand
the globbing characters. Also because the special characters are shell-specific,
LLDB needs to maintain a list of all the characters that need to be escaped for
each specific shell.
This patch adds the list of special characters that need to be escaped for
`zsh`. Without this patch on systems where `zsh` is the user's shell (like on
all macOS systems) having any of these special characters in your arguments or
path to the binary will cause the process launch to fail. E.g., `lldb -- ./calc
1<2` is failing without this patch. The same happens if the absolute path to
`calc` is in a directory that contains for example parentheses or other special
characters.
Reviewed By: JDevlieghere
Differential Revision: https://reviews.llvm.org/D104627
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The element count getter can just be in the header. Also doxygenify some of the
comments and document m_argv's terminating nullptr element that the other
comments keep mentioning.
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Escaping by inserting characters in the middle of a std::string isn't cheap.
It's much more verbose than just prepending a backslash in a loop.
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The existing help text was very terse and was missing several important
options. In the new version, I add a short description of each option
and a slightly longer description of the tool as a whole.
The new option list does not include undocumented no-op options:
--debug and --verbose. It also does not include undocumented short
aliases for long options, with two exceptions: -h, because it's
well-known; and -S (--setsid), as it's used in one test. Using these
options will now produce an error. I believe that is acceptable as users
aren't generally invoking lldb-server directly, and the only way to
learn about the short aliases was by looking at the source.
Differential Revision: https://reviews.llvm.org/D89477
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migrate away from the use of blacklist and whitelist.
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Summary:
LLVM is using its own isPrint/isSpace implementation that doesn't change depending on the current locale. LLDB should do the same
to prevent that internal logic changes depending on the set locale.
Reviewers: JDevlieghere, labath, mib, totally_not_teemperor
Reviewed By: JDevlieghere
Differential Revision: https://reviews.llvm.org/D82175
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While debugging why TestProcessList.py failed during passive replay, I
remembered that we don't serialize the arguments for ProcessInfo. This
is necessary to make the test pass and to make platform process list -v
behave the same during capture and replay.
Differential revision: https://reviews.llvm.org/D79646
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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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The StringRef should always be identical to the C string, so we
might as well just create the StringRef from the C-string. This
might be slightly slower until we implement the storage of ArgEntry
with a string instead of a std::unique_ptr<char[]>. Until then we
have to do the additional strlen on the C string to construct the
StringRef.
llvm-svn: 371842
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This code is not on any performance critical path that would
justify this shortening optimization. It also makes it possible
to turn 'ref' into a function (as this is the only place where
we modify this ArgEntry member).
llvm-svn: 371836
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This just reimplemented llvm::StringRef::[r/l]trim().
llvm-svn: 371181
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llvm-svn: 371176
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llvm-svn: 369113
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Problem discovered in the breakpoint lit test, but probably exists in others.
lldb-test splits lines on LF. Input files that are CR+LF separated (as is
common on Windows) then resulted in commands being sent to LLDB that ended
in CR, which confused the command interpreter.
This could be fixed at different levels:
1. Treat '\r' like a tab or space in the argument splitter.
2. Fix the line splitters (plural) in lldb-test.
3. Normalize the test files to LF only.
If we did only 3, I'd expect similar problems to recur, so this patch does
1 and 2. I may also do 3 in a separate patch later, but that's tricky
because I believe we have some input files that MUST use CR+LF.
Differential Revision: https://reviews.llvm.org/D62759
llvm-svn: 362844
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Replaces the remaining C-style casts with explicit casts in Utility. The
motivation is that they are (1) easier to spot and (2) don't have
multiple meanings.
llvm-svn: 361458
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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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Currently LLDB crashes when autocompleting a command that ends with a
backtick because the quote character wasn't handled. This fixes that and
adds a unit test for this function.
Differential revision: https://reviews.llvm.org/D59779
llvm-svn: 356927
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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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Summary:
A subset of the LLDB commands follows this command line interface style:
<command name> [arguments] -- <string suffix>
The parsing code for this interface has been so far been duplicated into the different
command objects which makes it hard to maintain and reuse elsewhere.
This patches improves the situation by adding a OptionsWithRaw class that centralizes
the parsing logic and allows easier testing. The different commands now just call this class to
extract the arguments and the raw suffix from the provided user input.
Reviewers: jingham
Reviewed By: jingham
Subscribers: mgorny, lldb-commits
Differential Revision: https://reviews.llvm.org/D49106
llvm-svn: 336723
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Summary:
This has multiple advantages:
- we need only one function argument/instance variable instead of three
- no need to default initialize variables
- no custom parsing code
- VersionTuple has comparison operators, which makes version comparisons much
simpler
Reviewers: zturner, friss, clayborg, jingham
Subscribers: emaste, lldb-commits
Differential Revision: https://reviews.llvm.org/D47889
llvm-svn: 334950
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This is intended as a clean up after the big clang-format commit
(r280751), which unfortunately resulted in many of the comment
paragraphs in LLDB being very hard to read.
FYI, the script I used was:
import textwrap
import commands
import os
import sys
import re
tmp = "%s.tmp"%sys.argv[1]
out = open(tmp, "w+")
with open(sys.argv[1], "r") as f:
header = ""
text = ""
comment = re.compile(r'^( *//) ([^ ].*)$')
special = re.compile(r'^((([A-Z]+[: ])|([0-9]+ )).*)|(.*;)$')
for line in f:
match = comment.match(line)
if match and not special.match(match.group(2)):
# skip intentionally short comments.
if not text and len(match.group(2)) < 40:
out.write(line)
continue
if text:
text += " " + match.group(2)
else:
header = match.group(1)
text = match.group(2)
continue
if text:
filled = textwrap.wrap(text, width=(78-len(header)),
break_long_words=False)
for l in filled:
out.write(header+" "+l+'\n')
text = ""
out.write(line)
os.rename(tmp, sys.argv[1])
Differential Revision: https://reviews.llvm.org/D46144
llvm-svn: 331197
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Summary:
The Args class is used in plenty of places besides the command
interpreter (e.g., anything requiring an argc+argv combo, such as when
launching a process), so it needs to be in a lower layer. Now that the
class has no external dependencies, it can be moved down to the Utility
module.
This removes the last (direct) dependency from the Host module to
Interpreter, so I remove the Interpreter module from Host's dependency
list.
Reviewers: zturner, jingham, davide
Subscribers: mgorny, lldb-commits
Differential Revision: https://reviews.llvm.org/D45480
llvm-svn: 330200
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