Commit Graph

15 Commits

Author SHA1 Message Date
Michał Górny 99562332e3 [lldb] [test] Update test status for NetBSD 2020-12-20 11:32:43 +01:00
Michał Górny 2c2eb5e670 [lldb] Enable FreeBSDRemote plugin by default and update test status
The new FreeBSDRemote plugin has reached feature parity on i386
and amd64 targets.  Use it by default on these architectures, while
allowing the use of the legacy plugin via FREEBSD_LEGACY_PLUGIN envvar.

Revisit the method of switching plugins.  Apparently, the return value
of PlatformFreeBSD::CanDebugProcess() is what really decides whether
the legacy or the new plugin is used.

Update the test status.  Reenable the tests that were previously
disabled on FreeBSD and do not cause hangs or are irrelevant to FreeBSD.
Mark all tests that fail reliably as expectedFailure.  For now, tests
that are flaky (i.e. produce unstable results) are left enabled
and cause unpredictable test failures.

Differential Revision: https://reviews.llvm.org/D90757
2020-11-05 17:49:46 +01:00
Muhammad Omair Javaid 67087a7b76 [LLDB] Fix typo in xfail decorator assert.test
Fix a typo in earlier xfailed assert.test replace // with #.
2020-05-13 08:53:56 +05:00
Muhammad Omair Javaid 6805a77eb6 [LLDB] Mark some xfails for arm-linux
This patch marks following tests as xfail for arm-linux target.

lldb/test/API/functionalities/load_using_paths/TestLoadUsingPaths.py
lldb/test/API/python_api/thread/TestThreadAPI.py
lldb/test/Shell/Recognizer/assert.test

Bugs have been filed for all of them for the corresponding failing
component.
2020-05-13 08:05:27 +05:00
Med Ismail Bennani cb0c4ee3eb [lldb/test] Add alternate symbol to StackFrame Recognizer
This reimplements commit 6b2979c123 and updates
the tests to reflect the addition of the alternate symbol attribute.

Signed-off-by: Med Ismail Bennani <medismail.bennani@gmail.com>
2020-02-11 11:44:37 +01:00
Davide Italiano 6b2979c123 Revert "[lldb] Fix+re-enable Assert StackFrame Recognizer on Linux"
This reverts commit 1a39f1b966 as
it breaks macOS.
2020-02-10 13:27:35 -08:00
Jan Kratochvil 1a39f1b966 [lldb] Fix+re-enable Assert StackFrame Recognizer on Linux
D73303 was failing on Fedora Linux and so it was disabled by Skip the
AssertFrameRecognizer test for Linux.

I find no easy way how to find out if it gets recognized as
`__assert_fail` or `__GI___assert_fail` as during `Process` ctor
libc.so.6 is not yet loaded by the debuggee.

DWARF symbol `__GI___assert_fail` overrides the ELF symbol `__assert_fail`.
While external debug info (=DWARF) gets disabled for testsuite (D55859)
that sure does not apply for real world usage.

Differential Revision: https://reviews.llvm.org/D74252
2020-02-10 10:29:32 +01:00
Jan Kratochvil 6ef4786dbc Revert "[lldb] Fix+re-enable Assert StackFrame Recognizer on Linux"
This reverts commit cf1046c716.
Reverted: https://reviews.llvm.org/D74252

It fixed testsuite but broke real world functionality where is not used:
	settings set symbols.enable-external-lookup false
2020-02-08 05:08:48 +01:00
Jan Kratochvil cf1046c716 [lldb] Fix+re-enable Assert StackFrame Recognizer on Linux
D73303 was failing on Fedora Linux and so it was disabled by Skip the
AssertFrameRecognizer test for Linux.

On Fedora 30 x86_64 I have:
        $ readelf -Ws /lib64/libc.so.6 |grep '^Symbol\|.*assert_fail'
        Symbol table '.dynsym' contains 2362 entries:
           630: 0000000000030520    70 FUNC    GLOBAL DEFAULT   14 __assert_fail@@GLIBC_2.2.5
        Symbol table '.symtab' contains 22711 entries:
           922: 000000000002275a    15 FUNC    LOCAL  DEFAULT   14 __assert_fail_base.cold
         18044: 0000000000030520    70 FUNC    LOCAL  DEFAULT   14 __GI___assert_fail
         20081: 00000000000303a0   370 FUNC    LOCAL  DEFAULT   14 __assert_fail_base
         21766: 0000000000030520    70 FUNC    GLOBAL DEFAULT   14 __assert_fail

The patch should never expect __GI___assert_fail:

.symtab can be present or not but that should not change that
__assert_fail always wins - it is always present from .dynsym and it can
never be overriden by __GI___assert_fail as __GI___assert_fail has only
local binding. Global binding is preferred since D63540.

External debug info symbols do not matter since D55859 (and DWARF should
never be embedded in system libc.so.6).

Differential Revision: https://reviews.llvm.org/D74252
2020-02-07 22:24:56 +01:00
Med Ismail Bennani 2e005c64f3 [lldb/test] Skip the AssertFrameRecognizer test for Linux
This patch skips the AssertFrameRecognizer test for Linux since it appears to
fail on certain distributions (AFAIK Fedora & ArchLinux).

The failure happen because the thread don't set the current frame to
the most relevant one. So the stopped location doesn't match with what
the test is expecting.

The test will be enabled again after I'll be able to reproduce the failure
on one of those platform and fix the issue.

Signed-off-by: Med Ismail Bennani <medismail.bennani@gmail.com>
2020-02-07 18:49:35 +01:00
Med Ismail Bennani 7ebe9cc4fc [lldb/Target] Add Assert StackFrame Recognizer
When a thread stops, this checks depending on the platform if the top frame is
an abort stack frame. If so, it looks for an assert stack frame in the upper
frames and set it as the most relavant frame when found.

To do so, the StackFrameRecognizer class holds a "Most Relevant Frame" and a
"cooked" stop reason description. When the thread is about to stop, it checks
if the current frame is recognized, and if so, it fetches the recognized frame's
attributes and applies them.

rdar://58528686

Differential Revision: https://reviews.llvm.org/D73303

Signed-off-by: Med Ismail Bennani <medismail.bennani@gmail.com>
2020-02-06 18:27:48 +01:00
Pavel Labath 98b273c893 Revert "[lldb/Target] Add Assert StackFrame Recognizer"
This reverts commit 2b7f32892b because of test
failures due to dangling pointers.
2020-02-05 15:51:38 -08:00
Med Ismail Bennani 2b7f32892b [lldb/Target] Add Assert StackFrame Recognizer
When a thread stops, this checks depending on the platform if the top frame is
an abort stack frame. If so, it looks for an assert stack frame in the upper
frames and set it as the most relavant frame when found.

To do so, the StackFrameRecognizer class holds a "Most Relevant Frame" and a
"cooked" stop reason description. When the thread is about to stop, it checks
if the current frame is recognized, and if so, it fetches the recognized frame's
attributes and applies them.

rdar://58528686

Differential Revision: https://reviews.llvm.org/D73303

Signed-off-by: Med Ismail Bennani <medismail.bennani@gmail.com>
2020-02-05 17:49:13 +01:00
Med Ismail Bennani 954d04295b Revert "[lldb/Target] Add Assert StackFrame Recognizer"
This reverts commit 03a6b858fd.

The test doesn't pass on Debian.
2020-01-28 18:40:08 +01:00
Med Ismail Bennani 03a6b858fd [lldb/Target] Add Assert StackFrame Recognizer
When a thread stops, this checks depending on the platform if the top frame is
an abort stack frame. If so, it looks for an assert stack frame in the upper
frames and set it as the most relavant frame when found.

To do so, the StackFrameRecognizer class holds a "Most Relevant Frame" and a
"cooked" stop reason description. When the thread is about to stop, it checks
if the current frame is recognized, and if so, it fetches the recognized frame's
attributes and applies them.

rdar://58528686

Differential Revision: https://reviews.llvm.org/D73303

Signed-off-by: Med Ismail Bennani <medismail.bennani@gmail.com>
2020-01-28 18:21:29 +01:00