This error is caused by a combination of a couple of factors:
- the test accidentally creating a list with a single (empty) FileSpec
instead of an empty list
- lldb overzeleously converting empty strings into nullptrs
- asan overzeleously validating symlink(2) arguments (the real symlink
call would just fail with EFAULT)
I fix this by using FileSpec::GetPath instead of GetCString. This avoids
the nullptr and also avoids inserting the path into the global string
pool.
I also enhance the test case to test both empty paths and empty lists.
The way the IO handlers are currently managed by the debugger is wrong. The
implementation lacks proper synchronization between RunIOHandlerSync and
RunIOHandlers. The latter is meant to be run by the "main thread", while the
former is meant to be run synchronously, potentially from a different thread.
Imagine a scenario where RunIOHandlerSync is called from a different thread
than RunIOHandlers. Both functions manipulate the debugger's IOHandlerStack.
Although the push and pop operations are synchronized, the logic to activate,
deactivate and run IO handlers is not.
While investigating PR44352, I noticed some weird behavior in the Editline
implementation. One of its members (m_editor_status) was modified from another
thread. This happened because the main thread, while running RunIOHandlers
ended up execution the IOHandlerEditline created by the breakpoint callback
thread. Even worse, due to the lack of synchronization within the IO handler
implementation, both threads ended up executing the same IO handler.
Most of the time, the IO handlers don't need to run synchronously. The
exception is sourcing commands from external files, like the .lldbinit file.
I've added a (recursive) mutex to prevent another thread from messing with the
IO handlers wile another thread is running one synchronously. It has to be
recursive, because we might have to source another file when encountering a
command source in the original file.
Differential revision: https://reviews.llvm.org/D72748
Summary:
This code is handling debug info paths starting with /proc/self/cwd,
which is one of the mechanisms people use to obtain "relocatable" debug
info (the idea being that one starts the debugger with an appropriate
cwd and things "just work").
Instead of resolving the symlinks inside DWARFUnit, we can do the same
thing more elegantly by hooking into the existing Module path remapping
code. Since llvm::DWARFUnit does not support any similar functionality,
doing things this way is also a step towards unifying llvm and lldb
dwarf parsers.
Reviewers: JDevlieghere, aprantl, clayborg, jdoerfert
Subscribers: lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D71770
Now that we are building the python bindings on Windows once more, the
extended testsuite is running. Mark a few failing tests and skip a few
tests which hang. This should at least bring the bot back to green
without reverting the Python changes which are an improvement for the
build system and enable another ~35% of the test suite which was
previously disabled.
Summary:
A lot of our tests copied the setUp code from our TestSampleTest.py:
```
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
```
This code does nothing unless we actually do any setUp work in there, so let's remove all these method definitions.
Reviewers: labath, JDevlieghere
Reviewed By: labath
Subscribers: lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D71454
Summary:
A lot of tests do this trick but the vast majority of them don't even call `print()`.
Most of this patch was generated by a script that just looks at all the files and deletes the line if there is no `print (` or `print(` anywhere else in the file.
I checked the remaining tests manually and deleted the import if we never call print (but instead do stuff like `expr print(...)` and similar false-positives).
I also corrected the additional empty lines after the import in the files that I manually edited.
Reviewers: JDevlieghere, labath, jfb
Reviewed By: labath
Subscribers: dexonsmith, wuzish, nemanjai, kbarton, christof, arphaman, abidh, lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D71452
options class. This value was hanging around so for instance if you made a scripted breakpoint
resolver, then went to set another breakpoint, it would still think you had passed in a class
name and the breakpoint wouldn't do what you expected.
Summary:
Using a BreakpointList corrupts the breakpoints' IDs because
BreakpointList::Add sets the ID, so use a vector instead, and
update the signature to return the vector wrapped in an
llvm::Expected which can propagate any error from the inner
call to StringIsBreakpointName.
Note that, despite the similar name, SBTarget::FindBreakpointsByName
doesn't suffer the same problem, because it uses a SBBreakpointList,
which is more like a BreakpointIDList than a BreakpointList under the
covers.
Add a check to TestBreakpointNames that, without this fix, notices the
ID getting mutated and fails.
Reviewers: jingham, JDevlieghere
Reviewed By: JDevlieghere
Subscribers: lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D70907
I have either opened new bug reports for these tests, or added links to
existing bugs.
This should help make the lldb-aarch64-ubuntu buildbot green (there will
still be some unexpected passes that someone should look into, but those
can be handled later).
Summary: Ensure that breakpoint ivar is properly set in exception breakpoint resolver so that exception breakpoints set on dummy targets are resolved once real targets are created and run.
Reviewers: jingham
Reviewed By: jingham
Subscribers: teemperor, JDevlieghere, lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D69880
These tests are failing with various assertion failures, but they all
throw the following error message first:
error: a.out 0x0000002d: adding range [0x14-0x24) which has a base that
is less than the function's low PC 0x40060c.
See llvm.org/pr44037.
Differential Revision: https://reviews.llvm.org/D70381
Summary:
Move breakpoints from the old, bad ArgInfo::count to the new, better
ArgInfo::max_positional_args. Soon ArgInfo::count will be no more.
It looks like this functionality is already well tested by
`TestBreakpointCommandsFromPython.py`, so there's no need to write
additional tests for it.
Reviewers: labath, jingham, JDevlieghere
Reviewed By: labath
Subscribers: lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D69468
For example, it is pretty easy to write a breakpoint command that implements "stop when my caller is Foo", and
it is pretty easy to write a breakpoint command that implements "stop when my caller is Bar". But there's no
way to write a generic "stop when my caller is..." function, and then specify the caller when you add the
command to a breakpoint.
With this patch, you can pass this data in a SBStructuredData dictionary. That will get stored in
the PythonCommandBaton for the breakpoint, and passed to the implementation function (if it has the right
signature) when the breakpoint is hit. Then in lldb, you can say:
(lldb) break com add -F caller_is -k caller_name -v Foo
More generally this will allow us to write reusable Python breakpoint commands.
Differential Revision: https://reviews.llvm.org/D68671
Use this in the scripted breakpoint command. Added some tests for parsing
the key/value options. This uncovered a bug in handling parsing errors mid-line.
I also fixed that bug.
Differential Revision: https://reviews.llvm.org/D68363
llvm-svn: 373673
This test streamlines our use of variables that are expected by
Makefile.rules throughout the test suite. Mostly it replaced
potentially dangerous overrides and updates of variables like CFLAGS
with safe assignments to variables reserved for this purpose like
CFLAGS_EXTRAS.
Differential Revision: https://reviews.llvm.org/D67984
llvm-svn: 372795
These tests were temporarily missing when the big Makefile
simplification patch landed, so this just applies the same change
to these tests.
llvm-svn: 371738
It seems when I restructured the test folders the functionalities/breakpoint
was deleted. This just reverts this change and re-adds the tests.
llvm-svn: 371512
Summary:
As discussed on lldb-dev, this patch moves some LLDB tests into a hierarchy that more closely
resembles the commands we use in the LLDB interpreter. This patch should only move tests
that use the command interpreter and shouldn't touch any tests that primarily test the SB API.
Reviewers: #lldb, jfb, JDevlieghere
Reviewed By: #lldb, JDevlieghere
Subscribers: dexonsmith, arphaman, JDevlieghere, lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D67033
llvm-svn: 370605
Summary:
The test for conditional breakpoints on Windows was skipped because
there was no expression evaluation support at the time it was written.
After removing the annotation and testing it again, the test is passing.
http://lists.llvm.org/pipermail/lldb-dev/2019-August/015405.html
Signed-off-by: Med Ismail Bennani <medismail.bennani@gmail.com>
Reviewers: stella.stamenova, jingham
Subscribers: lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D66499
llvm-svn: 369453
Summary: update some test decorates that can actually pass on andriod aarch64
Patch by Wanyi Ye <kusmour@gmail.com>
Differential Revision: https://reviews.llvm.org/D64767
llvm-svn: 366858
Currently when we single step over a source line, we run and stop at every branch in the source line range. We can reduce the number of times we stop when stepping over by figuring out if any of these branches are function calls, and if so, ignore these branches. Since we are stepping over we can safely ignore these calls since they will return to the next instruction. Currently the step logic would stop at those branches (1st stop), single step into the branch (2nd stop), and then set a breakpoint at the return address (3rd stop), and then continue.
Differential Revision: https://reviews.llvm.org/D58678
llvm-svn: 360375
Add a convenience 'expectedFailureNetBSD' decorator and mark all tests
currently failing on NetBSD with it. Also skip a few tests that hang
the test suite. This should establish a baseline for the test suite
and get us closer to enabling tests on buildbot. This will help us
catch regressions while we still have a lot of work to do to get tests
working.
It seems that there are also some flaky tests. I am going to address
them later on.
Differential Revision: https://reviews.llvm.org/D58527
llvm-svn: 355320
The deserializer was not handling this case. For now we just
accept the absent option, and set it to the breakpoint default.
This will be more important if/when I figure out how to serialize
the options set on breakpont locations.
<rdar://problem/48322664>
llvm-svn: 354702
Getting failure when building in a directory which is symlinked elsewhere:
Failing Tests (1):
lldb-Suite :: functionalities/breakpoint/comp_dir_symlink/TestCompDirSymLink.py
lldb-Suite :: source-manager/TestSourceManager.py
For TestCompDirSymLink:
------------------------------------------------------------------------------
runCmd: file .../lldb-test-build.noindex/functionalities/breakpoint/comp_dir_symlink/TestCompDirSymLink.test_symlink_paths_set_procselfcwd_dwarf/CompDirSymLink
output: Current executable set to '.../lldb-test-build.noindex/functionalities/breakpoint/comp_dir_symlink/TestCompDirSymLink.test_symlink_paths_set_procselfcwd_dwarf/CompDirSymLink' (x86_64).
runCmd: settings set plugin.symbol-file.dwarf.comp-dir-symlink-paths /proc/self/cwd
output: None
runCmd: breakpoint set -f ".../lldb-test-build.noindex/functionalities/breakpoint/comp_dir_symlink/TestCompDirSymLink.test_symlink_paths_set_procselfcwd_dwarf/relative.cpp" -l 11
output: Breakpoint 1: no locations (pending).
WARNING: Unable to resolve breakpoint to any actual locations.
It is because /proc/self/cwd (used above for plugin.symbol-file.dwarf.comp-dir-symlink-paths) points to an already resolved directory:
(cd /tmp;mkdir real;ln -s real symlink;cd symlink;ls -l /proc/self/cwd)
lrwxrwxrwx 1 jkratoch jkratoch 0 Feb 20 19:55 /proc/self/cwd -> /tmp/real/
------------------------------------------------------------------------------
For TestSourceManager the resolving is done by 'make -C' as found by Pavel Labath.
Differential Revision: https://reviews.llvm.org/D58465
llvm-svn: 354556
The new LLVM header is one line shorter than the old one, which lead to
some test failures. Ideally tests should rely on line numbers for
breakpoints or output, but that's a different discussion. Hopefully this
turns the bots green again.
llvm-svn: 351779
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
The test assumes that HW breakpoints are not implemented by the debug
server. Windows doesn't use these and might actually support HW
breakpoints so these tests are expected fail because they don't raise
the expected error.
llvm-svn: 348010
When debugging read-only memory we cannot use software breakpoint. We
already have support for hardware breakpoints and users can specify them
with `-H`. However, there's no option to force LLDB to use hardware
breakpoints internally, for example while stepping.
This patch adds a setting target.require-hardware-breakpoint that forces
LLDB to always use hardware breakpoints. Because hardware breakpoints
are a limited resource and can fail to resolve, this patch also extends
error handling in thread plans, where breakpoints are used for stepping.
Differential revision: https://reviews.llvm.org/D54221
llvm-svn: 346920
Summary: They fail similarly to some of the other breakpoint tests on Windows, so I suspect the cause is the same. I've linked to the same bug.
Reviewers: asmith, zturner, jingham
Subscribers: abidh, lldb-commits
Differential Revision: https://reviews.llvm.org/D53331
llvm-svn: 344744
I started from a clean slate to do the checkin, but forgot to svn add the new files.
Do that now.
Also add the one new source file to CMakeLists.txt
llvm-svn: 342190
Summary: An address breakpoint of the form "b 0x1000" won't resolve if it's created while the process isn't running. This patch deletes Address::SectionWasDeleted, renames Address::SectionWasDeletedPrivate to SectionWasDeleted (and makes it public), and changes the section check in Breakpoint::ModulesChanged back to its original form
Reviewers: jingham, #lldb
Reviewed By: jingham
Subscribers: davide, lldb-commits
Differential Revision: https://reviews.llvm.org/D51816
llvm-svn: 341849
This patch extends the SBAPI to allow for setting a breakpoint not
only at a specific line, but also at a specific (minimum) column. When
a column is specified, it will try to find an exact match or the
closest match on the same line that comes after the specified
location.
Differential Revision: https://reviews.llvm.org/D51461
llvm-svn: 341078
clang doesn't use line number 0 (to mean artifically generated code) very often, but swift does it
quite often. We were rejecting all by line breakpoints in functions that started at line 0. But that's
a special marker so we can just not do this test in that case.
llvm-svn: 339182
Summary:
1) Several tests that are flakey on windows fail the run even if they are marked as expected to be flakey. This is because they fail frequently enough that even a retry won't help
2) Skip several tests on Windows that will occasionally hang rather than failing or exiting. This is causing the entire test suite to hang
Reviewers: asmith, labath, zturner
Reviewed By: zturner
Differential Revision: https://reviews.llvm.org/D50198
llvm-svn: 338769
Summary:
The test suite has often unnecessary trailing whitespace, and sometimes
unnecessary trailing lines or a missing final new line. This patch just strips
trailing whitespace/lines and adds missing newlines at the end.
Subscribers: ki.stfu, JDevlieghere, christof, lldb-commits
Differential Revision: https://reviews.llvm.org/D49943
llvm-svn: 338171
Summary: On Windows, the newer DIA SDKs end up producing function names that contain the return type as well. This means that the function name returned in the test will contain the return type (int) in addition to the name of the function and the type of the input (a(int)). To account for the possibility of both, the test should pass if the function name matches either pattern.
Reviewers: zturner, asmith
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D48654
llvm-svn: 335906
In a modules build, android is very picky about which symbols are
visible after including libc++ headers (e.g. <cstdio> defines only
std::printf and not ::printf).
This consolidates the tests where this was an issue to always include
the <c???> version of the headers and prefixes the symbols with std:: as
necessary.
Apart from that, there is no functional change in the tests.
llvm-svn: 335149
