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AppleObjCRuntime is the main entry point to the plugin with the same
name. This is part of a greater refactoring to auto generate the
initializers. NFC.
Differential revision: https://reviews.llvm.org/D73121
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Rename the DisassemblerLLVMC directory from llvm to LLVMC to match the
plugin name.
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Renames MainThreadCheckerRuntime to
InstrumentationRuntimeMainThreadChecker to be consistent with the
directory structure and plugin name.
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Renames UBSanRuntime to InstrumentationRuntimeUBSan to be consistent
with the directory structure and plugin name.
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Renames TSanRuntime to InstrumentationRuntimeTSan to be
consistent with the directory structure and plugin name.
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Renames AddressSanitizerRuntime to InstrumentationRuntimeASan to be
consistent with the directory structure and plugin name.
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PlatformMacOSX is the main entry point to the plugin with the same name.
This is part of a greater refactoring to auto generate the initializers.
Differential revision: https://reviews.llvm.org/D73116
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SystemInitializerFull
We already call it later in the method (which is in the right order as we Initialize it
at the of the constructor).
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Add plugin class SymbolVendorWasm, with the logic to manage debug symbols
for Wasm modules.
Reviewers: clayborg, labath, aprantl, sbc100, teemperor
Reviewed By: labath
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D72650
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Summary:
This is the first in a series of patches to enable LLDB debugging of
WebAssembly targets.
Current versions of Clang emit (partial) DWARF debug information in WebAssembly
modules and we can leverage this debug information to give LLDB the ability to
do source-level debugging of Wasm code that runs in a WebAssembly engine.
A way to do this could be to use the remote debugging functionalities provided
by LLDB via the GDB-remote protocol. Remote debugging can indeed be useful not
only to connect a debugger to a process running on a remote machine, but also to
connect the debugger to a managed VM or script engine that runs locally,
provided that the engine implements a GDB-remote stub that offers the ability to
access the engine runtime internal state.
To make this work, the GDB-remote protocol would need to be extended with a few
Wasm-specific custom query commands, used to access aspects of the Wasm engine
state (like the Wasm memory, Wasm local and global variables, and so on).
Furthermore, the DWARF format would need to be enriched with a few Wasm-specific
extensions, here detailed: https://yurydelendik.github.io/webassembly-dwarf.
This CL introduce classes **ObjectFileWasm**, a file plugin to represent a Wasm
module loaded in a debuggee process. It knows how to parse Wasm modules and
store the Code section and the DWARF-specific sections.
Reviewers: jasonmolenda, clayborg, labath
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D71575
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This adds the boilerplate necessary to support the Lua script
interpreter. The interpreter is not functional yet and just reports that
it's not implemented.
Discussion on the mailing list:
http://lists.llvm.org/pipermail/lldb-dev/2019-December/015812.html
Differential revision: https://reviews.llvm.org/D71232
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This matches the naming scheme used by LLVM and all the other optional
dependencies in LLDB.
Differential revision: https://reviews.llvm.org/D71482
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As suggested by Pavel in a code review:
> Can we replace this (and maybe python too, while at it) with a
> Host/Config.h entry? A global definition means that one has to
> recompile everything when these change in any way, whereas in
> practice only a handful of files need this..
Differential revision: https://reviews.llvm.org/D71280
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Differential Revision: https://reviews.llvm.org/D55724
llvm-svn: 375123
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llvm-svn: 372998
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This avoids having to define additional macros in the cmake file, and
and also makes the logic in the cpp files more compact. It is also
easily extendible to other plugin types (instruction emulation?) that
should only be initialized if the corresponding llvm target is built.
Thanks to Ilya Birukov for pointing me to this file.
llvm-svn: 372952
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Summary:
I was recently surprised to learn that there is a total of 2 (two) users
of the register info definitions contained in the ABI plugins. Yet, the
defitions themselves span nearly 10kLOC.
The two users are:
- dwarf expression pretty printer
- the mechanism for augmenting the register info definitions obtained
over gdb-remote protocol (AugmentRegisterInfoViaABI)
Both of these uses need the DWARF an EH register numbers, which is
information that is already available in LLVM. This patch makes it
possible to do so.
It adds a GetMCRegisterInfo method to the ABI class, which every class
is expected to implement. Normally, it should be sufficient to obtain
the definitions from the appropriate llvm::Target object (for which I
provide a utility function), but the subclasses are free to construct it
in any way they deem fit.
We should be able to always get the MCRegisterInfo object from llvm,
with one important exception: if the relevant llvm target was disabled
at compile time. To handle this, I add a mechanism to disable the
compilation of ABI plugins based on the value of LLVM_TARGETS_TO_BUILD
cmake setting. This ensures all our existing are able to create their
MCRegisterInfo objects.
The new MCRegisterInfo api is not used yet, but the intention is to make
use of it in follow-up patches.
Reviewers: jasonmolenda, aprantl, JDevlieghere, tatyana-krasnukha
Subscribers: wuzish, nemanjai, mgorny, kbarton, atanasyan, lldb-commits
Differential Revision: https://reviews.llvm.org/D67965
llvm-svn: 372862
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Summary:
Implement the ABI for WIndows-x86_64 including register info and calling convention.
Handled nested struct returned in register (SysV doesn't have it supported)
Reviewers: xiaobai, compnerd
Reviewed By: compnerd
Subscribers: labath, jasonmolenda, fedor.sergeev, mgorny, teemperor, lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D62213
llvm-svn: 364216
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The debug server does not need to use the instruction emulation. This
helps reduce the size of the final lldb-server binary by another ~100K
(~1% savings).
llvm-svn: 360067
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This was added to support FreeBSD. The inclusion of this header increases the
size of `lldb-server` due to MCJIT being forcefully preserved. Conditionalise
the inclusion to shared builds of LLVM which will allow for MCJIT to be stripped
if unnecessary when performing static linking of tools. This shaves off ~28% of
the binary size for lldb-server when linked with gold using
`-ffunction-sections` and `-fdata-sections`.
llvm-svn: 359944
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This change is bogus. lldb-server definitely uses instruction emulation
on some architectures.
llvm-svn: 359862
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The debug server does not need to use the instruction emulation. This helps
reduce the size of the final lldb-server binary by another ~100K (~1% savings).
llvm-svn: 359832
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This restructures the initialization path to move the ObjectContainer
initialization into the *full* initialization path. This is not needed
for the lldb-server initialization path. This helps strip off ~1MiB
from the binary.
llvm-svn: 359810
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Made some changes downstream that touched the header sorting.
llvm-svn: 359141
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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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This patch limits the scope of the python header to the implementation
of the python script interpreter plugin. ScriptInterpreterPython is now
an abstract interface that doesn't expose any Python specific types, and
is implemented by the ScriptInterpreterPythonImpl.
Differential revision: https://reviews.llvm.org/D59976
llvm-svn: 357307
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This patch removes the Kalimba platform. For more information please
refer to the corresponding thread on the mailing list.
http://lists.llvm.org/pipermail/lldb-dev/2019-March/014921.html
llvm-svn: 357086
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Now that the Python plugin relies on the SWIG symbols, we no longer need
to dynamically resolve these functions.
llvm-svn: 357034
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Abstract initialization of the Python SWIG support in the Python plugin.
llvm-svn: 356942
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As per the discussion on the mailing list:
http://lists.llvm.org/pipermail/lldb-commits/Week-of-Mon-20190218/048007.html
This commit implements option (3):
> Go back to initializing the reproducer before the rest of the debugger.
> The method wouldn't be instrumented and guarantee no other SB methods are
> called or SB objects are constructed. The initialization then becomes part
> of the replay.
Differential revision: https://reviews.llvm.org/D58410
llvm-svn: 354631
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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:
This commit adds the glue code necessary to integrate the
SymbolFileBreakpad into the plugin system. Most of the methods are
stubbed out. The only method implemented method is AddSymbols, which
parses the PUBLIC "section" of the breakpad "object file", and fills out
the Module's symtab.
To enable testing this, I've made two additional changes:
- dump Symtab from the SymbolVendor class. The symtab was already being
dumped as a part of the object file dump, but that happened before
symbol vendor kicked in, so it did not reflect any symbols added
there.
- add ability to explicitly specify the external symbol file in
lldb-test (so that the object file could be linked with the breakpad
symbol file). To make things simpler, I've changed lldb-test from
consuming multiple inputs (and dumping their symbols) to having it
just process a single file per invocation. This was not a problem
since everyone was using it that way already.
Reviewers: clayborg, zturner, lemo, markmentovai, amccarth
Subscribers: mgorny, lldb-commits
Differential Revision: https://reviews.llvm.org/D56173
llvm-svn: 350924
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llvm-svn: 349036
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This re-commits r348592, which was reverted due to a failing test on
macos.
The issue was that I was passing a null pointer for the
"CreateMemoryInstance" callback when registering ObjectFileBreakpad,
which caused crashes when attemping to load modules from memory. The
correct thing to do is to pass a callback which always returns a null
pointer (as breakpad files are never loaded in inferior memory).
It turns out that there is only one test which exercises this code path,
and it's mac-only, so I've create a new test which should run everywhere
(except windows, as one cannot delete an executable which is being run).
Unfortunately, this test still fails on linux for other reasons, but at
least it gives us something to aim for.
The original commit message was:
This patch adds the scaffolding necessary for lldb to recognise symbol
files generated by breakpad. These (textual) files contain just enough
information to be able to produce a backtrace from a crash
dump. This information includes:
- UUID, architecture and name of the module
- line tables
- list of symbols
- unwind information
A minimal breakpad file could look like this:
MODULE Linux x86_64 0000000024B5D199F0F766FFFFFF5DC30 a.out
INFO CODE_ID 00000000B52499D1F0F766FFFFFF5DC3
FILE 0 /tmp/a.c
FUNC 1010 10 0 _start
1010 4 4 0
1014 5 5 0
1019 5 6 0
101e 2 7 0
PUBLIC 1010 0 _start
STACK CFI INIT 1010 10 .cfa: $rsp 8 + .ra: .cfa -8 + ^
STACK CFI 1011 $rbp: .cfa -16 + ^ .cfa: $rsp 16 +
STACK CFI 1014 .cfa: $rbp 16 +
Even though this data would normally be considered "symbol" information,
in the current lldb infrastructure it is assumed every SymbolFile object
is backed by an ObjectFile instance. So, in order to better interoperate
with the rest of the code (particularly symbol vendors).
In this patch I just parse the breakpad header, which is enough to
populate the UUID and architecture fields of the ObjectFile interface.
The rough plan for followup patches is to expose the individual parts of
the breakpad file as ObjectFile "sections", which can then be used by
other parts of the codebase (SymbolFileBreakpad ?) to vend the necessary
information.
Reviewers: clayborg, zturner, lemo, amccarth
Subscribers: mgorny, fedor.sergeev, markmentovai, lldb-commits
Differential Revision: https://reviews.llvm.org/D55214
llvm-svn: 348773
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This reverts commit 5e056e624cc57bb22a4c29a70b522783c6242293.
Reverting because this lldb cmake bot: http://lab.llvm.org:8080/green/view/LLDB/job/lldb-cmake/13712/
llvm-svn: 348629
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Summary:
This patch adds the scaffolding necessary for lldb to recognise symbol
files generated by breakpad. These (textual) files contain just enough
information to be able to produce a backtrace from a crash
dump. This information includes:
- UUID, architecture and name of the module
- line tables
- list of symbols
- unwind information
A minimal breakpad file could look like this:
MODULE Linux x86_64 0000000024B5D199F0F766FFFFFF5DC30 a.out
INFO CODE_ID 00000000B52499D1F0F766FFFFFF5DC3
FILE 0 /tmp/a.c
FUNC 1010 10 0 _start
1010 4 4 0
1014 5 5 0
1019 5 6 0
101e 2 7 0
PUBLIC 1010 0 _start
STACK CFI INIT 1010 10 .cfa: $rsp 8 + .ra: .cfa -8 + ^
STACK CFI 1011 $rbp: .cfa -16 + ^ .cfa: $rsp 16 +
STACK CFI 1014 .cfa: $rbp 16 +
Even though this data would normally be considered "symbol" information,
in the current lldb infrastructure it is assumed every SymbolFile object
is backed by an ObjectFile instance. So, in order to better interoperate
with the rest of the code (particularly symbol vendors).
In this patch I just parse the breakpad header, which is enough to
populate the UUID and architecture fields of the ObjectFile interface.
The rough plan for followup patches is to expose the individual parts of
the breakpad file as ObjectFile "sections", which can then be used by
other parts of the codebase (SymbolFileBreakpad ?) to vend the necessary
information.
Reviewers: clayborg, zturner, lemo, amccarth
Subscribers: mgorny, fedor.sergeev, markmentovai, lldb-commits
Differential Revision: https://reviews.llvm.org/D55214
llvm-svn: 348592
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This patch changes the way the reproducer is initialized. Rather than
making changes at run time we now do everything at initialization time.
To make this happen we had to introduce initializer options and their SB
variant. This allows us to tell the initializer that we're running in
reproducer capture/replay mode.
Because of this change we also had to alter our testing strategy. We
cannot reinitialize LLDB when using the dotest infrastructure. Instead
we use lit and invoke two instances of the driver.
Another consequence is that we can no longer enable capture or replay
through commands. This was bound to go away form the beginning, but I
had something in mind where you could enable/disable specific providers.
However this seems like it adds very little value right now so the
corresponding commands were removed.
Finally this change also means you now have to control this through the
driver, for which I replaced --reproducer with --capture and --replay to
differentiate between the two modes.
Differential revision: https://reviews.llvm.org/D55038
llvm-svn: 348152
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In January Davide sent an e-mail to the mailing list to suggest removing
unmaintained language plugins such as Go and Java. The plan was to have
some cool down period to allow users to speak up, however after that the
plugins were never actually removed.
This patch removes the OCaml debugger plugin.
The plugin can be added again in the future if it is mature enough both
in terms of testing and maintenance commitment.
Discussion on the mailing list:
http://lists.llvm.org/pipermail/lldb-dev/2018-January/013171.html
Differential revision: https://reviews.llvm.org/D54060
llvm-svn: 346159
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In January Davide sent an e-mail to the mailing list to suggest removing
unmaintained language plugins such as Go and Java. The plan was to have
some cool down period to allow users to speak up, however after that the
plugins were never actually removed.
This patch removes the Java debugger plugin.
The plugin can be added again in the future if it is mature enough both
in terms of testing and maintenance commitment.
Discussion on the mailing list:
http://lists.llvm.org/pipermail/lldb-dev/2018-January/013171.html
Differential revision: https://reviews.llvm.org/D54059
llvm-svn: 346158
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In January Davide sent an e-mail to the mailing list to suggest removing
unmaintained language plugins such as Go and Java. The plan was to have
some cool down period to allow users to speak up, however after that the
plugins were never actually removed.
This patch removes the Go debugger plugin.
The plugin can be added again in the future if it is mature enough both
in terms of testing and maintenance commitment.
Discussion on the mailing list:
http://lists.llvm.org/pipermail/lldb-dev/2018-January/013171.html
Differential revision: https://reviews.llvm.org/D54057
llvm-svn: 346157
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This patch introduces a concept of "frame recognizer" and "recognized frame". This should be an extensible mechanism that retrieves information about special frames based on ABI, arguments or other special properties of that frame, even without source code. A few examples where that could be useful could be 1) objc_exception_throw, where we'd like to get the current exception, 2) terminate_with_reason and extracting the current terminate string, 3) recognizing Objective-C frames and automatically extracting the receiver+selector, or perhaps all arguments (based on selector).
Differential Revision: https://reviews.llvm.org/D44603
llvm-svn: 345693
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llvm-svn: 345688
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This patch introduces a concept of "frame recognizer" and "recognized frame". This should be an extensible mechanism that retrieves information about special frames based on ABI, arguments or other special properties of that frame, even without source code. A few examples where that could be useful could be 1) objc_exception_throw, where we'd like to get the current exception, 2) terminate_with_reason and extracting the current terminate string, 3) recognizing Objective-C frames and automatically extracting the receiver+selector, or perhaps all arguments (based on selector).
Differential Revision: https://reviews.llvm.org/D44603
llvm-svn: 345686
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llvm-svn: 345680
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This patch introduces a concept of "frame recognizer" and "recognized frame". This should be an extensible mechanism that retrieves information about special frames based on ABI, arguments or other special properties of that frame, even without source code. A few examples where that could be useful could be 1) objc_exception_throw, where we'd like to get the current exception, 2) terminate_with_reason and extracting the current terminate string, 3) recognizing Objective-C frames and automatically extracting the receiver+selector, or perhaps all arguments (based on selector).
Differential Revision: https://reviews.llvm.org/D44603
llvm-svn: 345678
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LC_BUILD_VERSION load command handling - this
commit is a combination of patches by Adrian
Prantl and myself. llvm::Triple::BridgeOS
isn't defined yet, so all references to that
are currently commented out.
Also update Xcode project file to build the
NativePDB etc plugins.
<rdar://problem/43353615>
llvm-svn: 344209
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This change allows you to write a new breakpoint type where the
logic for setting breakpoints is determined by a Python callback
written using the SB API's.
Differential Revision: https://reviews.llvm.org/D51830
llvm-svn: 342185
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Summary:
It seems to me that files in include/lldb/API/ are headers that should
be exposed to liblldb users. Because SystemInitializerFull.h exposes details of
lldb_private, I think having it there is not the right thing to do. Since it's
only included from files in source/API, we should move it there and treat it as
private.
Reviewers: labath, clayborg
Reviewed By: labath, clayborg
Subscribers: lldb-commits
Differential Revision: https://reviews.llvm.org/D47342
llvm-svn: 333304
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Summary:
For lldb-server, it is sufficient to parse only the native object file
format for its target OS (no other file can be loaded into a running
process). This moves the object file initialization code into specific
initializer classes: lldb-test and liblldb get all object files;
lldb-server gets only one of them. For this to work, I've needed to
create a special SystemInitializer for use in lldb-server, instead of it
calling directly into the common one.
This reduces the size of lldb-server by about 2%, which is not
earth-shattering, but it's an easy win, and it helps.
Reviewers: zturner, clayborg
Subscribers: mgorny, lldb-commits
Differential Revision: https://reviews.llvm.org/D47250
llvm-svn: 333182
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