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Add info for all register sets supported in NetBSD, particularly for all
registers 'expected' by LLDB. This is necessary in order to fix
python_api/lldbutil/iter/TestRegistersIterator.py test that currently
fails due to missing names of register sets (None).
This copies fpreg descriptions from Linux, and combines Linux' AVX
and MPX registers into a single XState group, to fit NetBSD register
group design. Technically, we do not support MPX registers
at the moment but gdb-remote insists on passing their errors anyway,
and if we do not include it in any group, they end up in a separate
anonymous group that breaks the test.
While at it, swap the enums for XState and DBRegs to match register set
ordering.
This also adds a few consts to the lldb-x86-register-enums.h to provide
more consistency between user registers and debug registers.
Differential Revision: https://reviews.llvm.org/D69667
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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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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: Signed-off-by: Valentina Giusti <valentina.giusti@intel.com>
Reviewers: dvlahovski, granata.enrico, clayborg, labath
Subscribers: lldb-commits
Differential Revision: https://reviews.llvm.org/D24255
llvm-svn: 280942
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*** to conform to clang-format’s LLVM style. This kind of mass change has
*** two obvious implications:
Firstly, merging this particular commit into a downstream fork may be a huge
effort. Alternatively, it may be worth merging all changes up to this commit,
performing the same reformatting operation locally, and then discarding the
merge for this particular commit. The commands used to accomplish this
reformatting were as follows (with current working directory as the root of
the repository):
find . \( -iname "*.c" -or -iname "*.cpp" -or -iname "*.h" -or -iname "*.mm" \) -exec clang-format -i {} +
find . -iname "*.py" -exec autopep8 --in-place --aggressive --aggressive {} + ;
The version of clang-format used was 3.9.0, and autopep8 was 1.2.4.
Secondly, “blame” style tools will generally point to this commit instead of
a meaningful prior commit. There are alternatives available that will attempt
to look through this change and find the appropriate prior commit. YMMV.
llvm-svn: 280751
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This reverts commit rL280668 because the register tests fail on i386
Linux.
I investigated a little bit what causes the failure - there are missing
registers when running 'register read -a'.
This is the output I got at the bottom:
"""
...
Memory Protection Extensions:
bnd0 = {0x0000000000000000 0x0000000000000000}
bnd1 = {0x0000000000000000 0x0000000000000000}
bnd2 = {0x0000000000000000 0x0000000000000000}
bnd3 = {0x0000000000000000 0x0000000000000000}
unknown:
2 registers were unavailable.
"""
Also looking at the packets exchanged between the client and server:
"""
...
history[308] tid=0x7338 < 19> send packet: $qRegisterInfo4a#d7
history[309] tid=0x7338 < 130> read packet:
$name:bnd0;bitsize:128;offset:1032;encoding:vector;format:vector-uint64;set:Memory
Protection Extensions;ehframe:101;dwarf:101;#48
history[310] tid=0x7338 < 19> send packet: $qRegisterInfo4b#d8
history[311] tid=0x7338 < 130> read packet:
$name:bnd1;bitsize:128;offset:1048;encoding:vector;format:vector-uint64;set:Memory
Protection Extensions;ehframe:102;dwarf:102;#52
history[312] tid=0x7338 < 19> send packet: $qRegisterInfo4c#d9
history[313] tid=0x7338 < 130> read packet:
$name:bnd2;bitsize:128;offset:1064;encoding:vector;format:vector-uint64;set:Memory
Protection Extensions;ehframe:103;dwarf:103;#53
history[314] tid=0x7338 < 19> send packet: $qRegisterInfo4d#da
history[315] tid=0x7338 < 130> read packet:
$name:bnd3;bitsize:128;offset:1080;encoding:vector;format:vector-uint64;set:Memory
Protection Extensions;ehframe:104;dwarf:104;#54
history[316] tid=0x7338 < 19> send packet: $qRegisterInfo4e#db
history[317] tid=0x7338 < 76> read packet:
$name:bndcfgu;bitsize:64;offset:1096;encoding:vector;format:vector-uint8;#99
history[318] tid=0x7338 < 19> send packet: $qRegisterInfo4f#dc
history[319] tid=0x7338 < 78> read packet:
$name:bndstatus;bitsize:64;offset:1104;encoding:vector;format:vector-uint8;#8e
...
"""
The bndcfgu and bndstatus registers don't have the 'Memory Protections
Extension' set. I looked at the code and it seems that that is set
correctly.
So I'm not sure what's the problem or where does it come from.
Also there is a second failure related to something like this in the
tests:
"""
registerSet.GetName().lower()
"""
For some reason the registerSet.GetName() returns None.
llvm-svn: 280703
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Summary:
The Intel(R) Memory Protection Extensions (Intel(R) MPX) associates pointers
to bounds, against which the software can check memory references to
prevent out of bound memory access.
This patch allows accessing the MPX registers:
* bnd0-3: 128-bit registers to hold the bound values,
* bndcfgu, bndstatus: 64-bit configuration registers,
This patch also adds read/write tests for the MPX registers in the register
command tests and adds a new subdirectory for MPX specific tests.
Signed-off-by: Valentina Giusti <valentina.giusti@intel.com>
Reviewers: labath, granata.enrico, lldb-commits, clayborg
Subscribers: lldb-commits
Differential Revision: https://reviews.llvm.org/D24187
llvm-svn: 280668
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This patch fixes TestRegisters on Linux with LLGS
Introduce GetUserRegisterCount on RegisterInfoInterface to distinguish
lldb internal registers (e.g.: DR0-DR7) during register counting.
Update GDBRemoteCommunicationServer to skip lldb internal registers on
read/write register and on discover register.
Submitted for Tamas Berghammer
llvm-svn: 226959
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LLDB supports many different register numbering schemes, and these
are typically prefixed with an indicator that lets the user know
what numbering scheme is used. The gcc numbering scheme is
prefixed with gcc, and there are similar ones for dwarf, gdb,
and gcc_dwarf.
LLDB also contains its own internal numbering scheme, but the enum
for LLDB's numbering scheme was prefixed differently. This patch
changes the names of these enums to use the same naming scheme for
the enum values as the rest of the register kinds by removing gpr_
and fpu_ prefixes, and instead using lldb_ prefixes for all enum
values.
Differential Revision: http://reviews.llvm.org/D6351
Reviewed by: Greg Clayton
llvm-svn: 222495
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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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