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Added XCOFF Object File Header for AIX.
Added base functionality for XCOFF support. Will enhance the files in
incremental PRs
Details about XCOFF file format on AIX:
[XCOFF](https://www.ibm.com/docs/en/aix/7.3?topic=formats-xcoff-object-file-format)
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This reverts commit 0c5cee779929f840f4f286c5894a01f583ee7b4a.
As discussed in https://reviews.llvm.org/D146668 we'll find another way
forward.
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In ee232506b870ce5282cc4da5ca493d41d361feb3 I moved UnixSignal
initialization from lldbTarget to the various platform plugins. This
inadvertently broke lldb-server because lldb-server doesn't use
Platform plugins. lldb-server still needs to be able to create a
UnixSignals object for the host platform so we can add the relevant
platform plugin to lldb-server to make sure we always have a
HostPlatform.
Differential Revision: https://reviews.llvm.org/D146668
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Hardware single stepping is not currently supported by the linux kernel.
In order to support single step debugging, add EmulateInstructionLoongArch
to implement the software Single Stepping. This patch only support the
simplest single step execution of non-jump instructions.
Reviewed By: SixWeining, DavidSpickett
Differential Revision: https://reviews.llvm.org/D139158
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This reverts commit 3a9e07b1e7f4718a0e117f3a732f1679c4bf2e30.
Reason to revert: author name is wrong.
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Hardware single stepping is not currently supported by the linux kernel.
In order to support single step debugging, add EmulateInstructionLoongArch
to implement the software Single Stepping. This patch only support the
simplest single step execution of non-jump instructions.
Reviewed By: SixWeining, DavidSpickett
Differential Revision: https://reviews.llvm.org/D139158
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Add:
- `EmulateInstructionRISCV`, which can be used for riscv32 and riscv64.
- Add unittests for EmulateInstructionRISCV.
Note: Compressed instructions set (RVC) was still not supported in this patch.
Reviewed By: DavidSpickett
Differential Revision: https://reviews.llvm.org/D131759
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Enable the ARM emulation support on AArch64 which can execute ARM32
code. Similarly, handle MIPS 32 on 64.
llvm-svn: 361210
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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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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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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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I should've known that something was wrong when only one of my plugins
was prefixed by the lldb_private namespace.
llvm-svn: 333183
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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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