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As requested in http://reviews.llvm.org/D7545 this change moves test/tools/lldb-gdbserver to test/tools/lldb-server ot match the name of the target being tested.
Differential Revision: http://reviews.llvm.org/D8061
llvm-svn: 231479
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This fix addresses a requirement on some Linux kernels that limits
a PTRACER to be an ancestor of the ptraced process. The fix in this
case is to have the inferior test exe explicitly allow any ptracer
to attach.
This fixes several ptrace-related issues that I did not see on a modified
kernel we used internally on my team.
See http://reviews.llvm.org/D5846 for details.
This fixes these previously failing tests on stock Ubuntu systems:
FAIL: LLDB (suite) :: TestGdbRemoteProcessInfo.py (Linux vagrant 3.13.0-32-generic #57-Ubuntu SMP Tue Jul 15 03:51:08 UTC 2014 x86_64 x86_64)
FAIL: LLDB (suite) :: TestGdbRemoteAttach.py (Linux vagrant 3.13.0-32-generic #57-Ubuntu SMP Tue Jul 15 03:51:08 UTC 2014 x86_64 x86_64)
FAIL: LLDB (suite) :: TestLldbGdbServer.py (Linux vagrant 3.13.0-32-generic #57-Ubuntu SMP Tue Jul 15 03:51:08 UTC 2014 x86_64 x86_64)
FAIL: LLDB (suite) :: TestGdbRemoteKill.py (Linux vagrant 3.13.0-32-generic #57-Ubuntu SMP Tue Jul 15 03:51:08 UTC 2014 x86_64 x86_64)
llvm-svn: 220181
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This change brings in lldb-gdbserver (llgs) specifically for Linux x86_64.
(More architectures coming soon).
Not every debugserver option is covered yet. Currently
the lldb-gdbserver command line can start unattached,
start attached to a pid (process-name attach not supported yet),
or accept lldb attaching and launching a process or connecting
by process id.
The history of this large change can be found here:
https://github.com/tfiala/lldb/tree/dev-tfiala-native-protocol-linux-x86_64
Until mid/late April, I was not sharing the work and continued
to rebase it off of head (developed via id tfiala@google.com). I switched over to
user todd.fiala@gmail.com in the middle, and once I went to github, I did
merges rather than rebasing so I could share with others.
llvm-svn: 212069
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llvm-svn: 210594
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llvm-svn: 210481
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Tests $Z0 and $z0. Extends test exe get-code-address-hex:
to take a function name.
Enabled for debugserver, disabled for llgs. Implementing
in llgs branch next.
llvm-svn: 210272
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Added two new tests: one to verify that a test exe heap address
returned is readable and writeable, and a similar one to verify
a test exe stack address is readable and writeable.
Ran the main.cpp test exe code through the Xcode re-indenter.
I was using TextMate to edit the test's C++ code alongside the
Python code but last check-in found that it was not handling
tabs/indentation the way I am intending it.
Modified test exe to require C++11.
Refactored gdb remote python code's handling of memory region
info into more re-usable methods.
llvm-svn: 210196
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Added test stub for collecting a code, heap and stack address.
Added test to verify that the code address returns a readable,
executable memory region and that the memory region range
was indeed the one that the code belonged to.
llvm-svn: 210187
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Added set-memory:{content} and get-memory-address-hex: commands
to the test exe for gdb-remote. Added a test that sets the content
via the inferior command line, then reads it back via gdb-remote
with $m.
Passing on debugserver. Marked as fail on llgs. Implementing
in the llgs branch next.
llvm-svn: 210116
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Learned that MacOSX only accepts signal delivery on a thread that is
already signal handling. Reworked the test exe to cause a SIGSEGV
and recover if either nothing intercepts the SIGSEGV handler, or
if a SIGUSR1 is inserted. The test uses the latter part to test
signal delivery on continue using the SIGUSR1.
I still don't have this working on MacOSX. I'm seeing the
signal get delivered to a different thread than the one I'm
specifying with $Hc{thread-id} + $C{signo}, or with
$vCont;C{signo}:{thread-id};c. I'll come back to this
after getting it working on the llgs branch on Linux x86_64.
llvm-svn: 209912
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Added new SocketPacketPump class to decouple gdb remote packet
reading from packet expectations code. This allowed for cleaner
implementation of the separate $O output streams (non-deterministic
packaging of inferior stdout/stderr) from all the rest of the packets.
Added a packet expectation matcher that can match expected accumulated
output with a timeout. Use a dictionary with "type":"output_match".
See lldbgdbserverutils.MatchRemoteOutputEntry for details.
Added a gdb remote test to verify that $Hc (continue thread selection)
plus signal delivery ($C{signo}) works. Having trouble getting this
to pass with debugserver on MacOSX 10.9. Tried different variants,
including $vCont;C{signo}:{thread-id};c. In some cases, I get the
test exe's signal handler to run ($vCont variant first time), in others I don't
($vCont second and further times). $C{signo} doesn't hit the signal
handler code at all in the test exe but delivers a stop. Further
$Hc and $C{signo} deliver the stop marking the wrong thread. For now I'm
marking the test as XFAIL on dsym/debugserver. Will revisit this on
lldb-dev.
Updated the text exe for these tests to support thread:print-ids (each
thread announces its thread id) and provide a SIGUSR1 thread handler
that prints out the thread id on which it was signaled.
llvm-svn: 209845
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Added test to check that each thread reported by $q{f,s}ThreadInfo
can be switched to by $Hg, verified by a follow-up $qC.
Modified test exe to accept "thread:new" to create a new thread
that runs and sleeps for 5 seconds.
@llgs_test/@debugserver_test now buffer output.
llgs and debugserver gdbremote protocol tests now collect $O notification
output into the context returned from expect_lldb_gdbserver_replay.
context["O_count"] is an integer indicating the number of $O packets
collected during the replay, and context["O_content"] contains the
accumulated hex-decoded text output by the inferior (stdout and stderr).
Modified the $O check test to check the accumulated output rather than
a direct $O packet.
llvm-svn: 209560
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Added support for gdb remote protocol capture/playback where there is a query/multiple-response
pattern. The new playback entry supports:
- a general query command (key: next_query or query)
- an optional first-query command if that differs from the subsequent queries (key: first_query)
- an end regex for matching anything that would signify that the query/multi-response
iteration has come to an end. An assumption is that the end regex is not a content
package we care about aside from ending the iteration. (key: end_regex)
- an optional 0-based index appended to the end of the query command
(key: append_iteration_suffix), default: False.
- a key used to collect responses from the query. Any response from the gdb remote
that doesn't match the end-of-iteration regex is captured in the playback context
dictionary using the key specified. That key will be an array, where each array
entry is one of the responses from the query/multi-response iteration. (key: save_key).
- a runaway response value, defaulting to 10k, where if this many responses is captured,
assume the ending condition regex is invalid, or the debug monitor is doing something
goofy that is going to blow out memory or time. (key: runaway_response_count, default: 10000)
See the lldbgdbserverutils.MultiResponseGdbRemoteEntry class for details.
A MultiResponseGdbRemoteEntry is added by adding an element to the GdbRemoteTestSequence
(via GdbRemoteTestSequence.add_log_lines), using a dictionary, where the "type" key
is set to "multi_response", and the rest of the keys in the dictionary entry are
set to the keys documented for MultiResponseGdbRemoteEntry.
Added helper functions to add the required entry to grab all qRegisterInfo responses.
Added another helper to parse the qRegisterInfo response packets into an array of
dictionaries, where each key:value in the dictionary comes from the register info
response packet.
Added a test to verify that a generic register exists for the program counter,
frame pointer, stack pointer and cpu flags across all register info responses.
Added a test to verify that at least one register set exists across all register
info responses.
llvm-svn: 209170
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llvm-svn: 208804
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Missing header for Linux, replaces with iostreams.
llvm-svn: 208794
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Checks that the pid reported by $qProcessInfo matches the pid that was
launched as the attach test subject.
test exe now supports "sleep:{sleep_seconds}" command line argument.
llvm-svn: 208782
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Tests added for debugserver and lldb-gdbserver. lldb-gdbserver marked as
XFAIL on top of tree.
Added build_gdbremote_A_packet test helper to construct a gdbremote A
launch packet from a list of args.
llvm-svn: 207568
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Fixed up bug in XFAIL tests where I appended an array when I intended to merge an array.
llvm-svn: 207285
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