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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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disassembler/instruction classes, we can get rid of the FIXME lines that were working around this issue.
<rdar://problem/26684190>
llvm-svn: 272071
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Summary:
The "file" variable in a LineEntry was mapped using target.source-map, except when stepping through inlined code. This patch adds a new variable to LineEntry, "original_file", that contains the original file from the debug info. "file" will continue to (possibly) be mapped.
Some code has been changed to use "original_file". This is code dealing with symbols. Code dealing with source files will still use "file". Reviewers, please confirm that these particular changes are correct.
Tests run on Ubuntu 12.04 show no regression.
Reviewers: clayborg, jingham
Subscribers: lldb-commits
Differential Revision: http://reviews.llvm.org/D20135
llvm-svn: 269250
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warnings in some files in source/Target/.
Simplify smart pointers checks in conditions. Other minor fixes.
llvm-svn: 255598
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find the largest address range (possibly combining multiple
LineEntry's for this line number) that is contiguous.
This allows lldb's fast-step stepping algorithm to potentially
run for a longer address range than if we have to stop at every
LineEntry indicating a subexpression in the source line.
http://reviews.llvm.org/D15407
<rdar://problem/23270882>
llvm-svn: 255590
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correctly handle stepping over one breakpoint directly onto another breakpoint.
This isn't fixing that bug, but rather just changing 252963 to not use breakpoints
if it is only stepping one instruction.
llvm-svn: 253008
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commands are running through a range "
- Revert because this commit introduce several failures in lldb test suite
- http://lab.llvm.org:8011/builders/lldb-x86_64-ubuntu-14.04-cmake/builds/8391
- This reverts commit 78943bb678c2893703ee4e8b41969372740c8a6f.
llvm-svn: 252980
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running through a range
of addresses, and the range has no branches, instead of running to the last instruction and
single-stepping over that, run to the first instruction after the end of the range. If there
are no branches in the current range, then the bytes right after it have to be in the current
function, and have to be instructions not data in code, so this is safe. And it cuts down one
extra stepi per source range step.
Incidentally, this also works around a bug in the llvm Intel assembler where it treats the "rep"
prefix as a separate instruction from the repeated instruction. If that were at the end of a
line range, then we would put a trap in place of the repeated instruction, which is undefined
behavior. Current processors just ignore the repetition in this case, which changes program behavior.
Since there would never be a line range break after the rep prefix, always doing the range stepping
to the beginning of the new range avoids this problem.
<rdar://problem/23461686>
llvm-svn: 252963
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llvm-svn: 242403
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output when stepping through multiple ranges.
llvm-svn: 242243
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A few extras were fixed
- Symbol::GetAddress() now returns an Address object, not a reference. There were places where people were accessing the address of a symbol when the symbol's value wasn't an address symbol. On MacOSX, undefined symbols have a value zero and some places where using the symbol's address and getting an absolute address of zero (since an Address object with no section and an m_offset whose value isn't LLDB_INVALID_ADDRESS is considered an absolute address). So fixing this required some changes to make sure people were getting what they expected.
- Since some places want to access the address as a reference, I added a few new functions to symbol:
Address &Symbol::GetAddressRef();
const Address &Symbol::GetAddressRef() const;
Linux test suite passes just fine now.
<rdar://problem/21494354>
llvm-svn: 240702
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Summary:
Hexagon is a VLIW processor. It can execute multiple instructions at once, called a packet. Breakpoints need to be alone in a packet. This patch will make sure that temporary breakpoints used for stepping are set at the start of a packet, which will put the breakpoint in a packet by itself.
Patch by Deepak Panickal of CodePlay and Ted Woodward of Qualcomm.
Reviewers: deepak2427, clayborg
Reviewed By: clayborg
Subscribers: lldb-commits
Differential Revision: http://reviews.llvm.org/D9437
llvm-svn: 237047
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So that we don't have to update every single #include in the entire
codebase to #include this new header (which used to get included by
lldb-private-log.h, we automatically #include "Logging.h" from
within "Log.h".
llvm-svn: 232653
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more accessible from
the user level. It adds the ability to invent new stepping modes implemented by python classes,
and to view the current thread plan stack and to some extent alter it.
I haven't gotten to documentation or tests yet. But this should not cause any behavior changes
if you don't use it, so its safe to check it in now and work on it incrementally.
llvm-svn: 218642
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llvm-svn: 215411
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the same parent frame, but different current frame - e.g. when
you step past a tail call exit from a function. Apply the same
"avoid-no-debug" rules to this case as for a "step-in".
<rdar://problem/16189225>
llvm-svn: 214946
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llvm-svn: 202723
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pure virtual base class and made StackFrame a subclass of that. As
I started to build on top of that arrangement today, I found that it
wasn't working out like I intended. Instead I'll try sticking with
the single StackFrame class -- there's too much code duplication to
make a more complicated class hierarchy sensible I think.
llvm-svn: 193983
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defines a protocol that all subclasses will implement. StackFrame
is currently the only subclass and the methods that Frame vends are
nearly identical to StackFrame's old methods.
Update all callers to use Frame*/Frame& instead of pointers to
StackFrames.
This is almost entirely a mechanical change that touches a lot of
the code base so I'm committing it alone. No new functionality is
added with this patch, no new subclasses of Frame exist yet.
I'll probably need to tweak some of the separation, possibly moving
some of StackFrame's methods up in to Frame, but this is a good
starting point.
<rdar://problem/15314068>
llvm-svn: 193907
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Added a way to set hardware breakpoints from the "breakpoint set" command with the new "--hardware" option. Hardware breakpoints are not a request, they currently are a requirement. So when breakpoints are specified as hardware breakpoints, they might fail to be set when they are able to be resolved and should be used sparingly. This is currently hooked up for GDB remote debugging.
Linux and FreeBSD should quickly enable this feature if possible, or return an error for any breakpoints that are hardware breakpoint sites in the "virtual Error Process::EnableBreakpointSite (BreakpointSite *bp_site);" function.
llvm-svn: 192491
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line that should
not have breakpoints set on it inserted into code that does have a valid line number. So allow
that line number, and the ThreadPlanStepRange should just continue stepping over 0 line ranges
as if they had the same line number as whatever we were previously stepping through.
llvm-svn: 191477
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with prefer_file_cache == false. This is what we want to do when
the user is doing a disassemble command -- show the actual memory
contents in case the memory has been corrupted or something -- but
when we're profiling functions for stepping or unwinding
(ThreadPlanStepRange::GetInstructionsForAddress,
UnwindAssemblyInstEmulation::GetNonCallSiteUnwindP) we can read
__TEXT instructions directly out of the file, if it exists.
<rdar://problem/14397491>
llvm-svn: 190638
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around was fixed in llvm commit r186846.
<rdar://problem/14489274>
llvm-svn: 187620
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in its instruction
list have a shared pointer back to their DisassemblerLLVMC. This checkin force clears the InstructionList
in all the places we use the DisassemblerSP to stop the leaking for now. I'll go back and fix this
for real when I have time to do so.
<rdar://problem/14581918>
llvm-svn: 187473
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accurate.
rdar://problem/14488761
llvm-svn: 186646
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LLDB is crashing when logging is enabled from lldb-perf-clang. This has to do with the global destructor chain as the process and its threads are being torn down.
All logging channels now make one and only one instance that is kept in a global pointer which is never freed. This guarantees that logging can correctly continue as the process tears itself down.
llvm-svn: 178191
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next branch" stepping algorithm.
llvm-svn: 176958
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checkin (at least for x86_64) but is still
turned off, it needs more qualification. If you want to play with it, change the initialization of m_use_fast_step
to true.
llvm-svn: 176923
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API's.
Calculate "can branch" using the MC API's rather than our hand-rolled regex'es.
As extra credit, allow setting the disassembly flavor for x86 based architectures to intel or att.
<rdar://problem/11319574>
<rdar://problem/9329275>
llvm-svn: 176392
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Add the ability to give breakpoints a "kind" string, and have the StopInfoBreakpoint
print that in the brief description if set. Also print the kind - if set - in the breakpoint
listing.
Give kinds to a bunch of the internal breakpoints.
We were deleting the Mac OS X dynamic loader breakpoint as though the id we had stored away was
a breakpoint site ID, but in fact it was a breakpoint id, so we never actually deleted it. Fixed that.
llvm-svn: 173555
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- use macros from inttypes.h for format strings instead of OS-specific types
Patch from Matt Kopec!
llvm-svn: 168945
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and they are not done, then we aren't done either.
<rdar://problem/12259124>
llvm-svn: 163572
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user-initiated plans
should be MasterPlans that want to stay on the plan stack. So make all plans NOT
MasterPlans by default and then have the SB API's and the CommandObjectThread step
commands set this explicitly.
Also added a "clean up" phase to the Thread::ShouldStop so that if plans get stranded
on the stack, we can remove them. This is done by adding an IsPlanStale method to the
thread plans, and if the plan can know that it is no longer relevant, it returns true,
and the plan and its sub-plans will get discarded.
llvm-svn: 156101
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of a crash or breakpoint. Added the ability for a plan to say it is done but doesn't want to be the reason for the stop.
llvm-svn: 155927
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thread plan logic gets invoked, and if they
ask to continue that should short-circuit the thread plans for that thread. Also add a bit more explanation for
how this machinery is supposed to work.
Also pass eExecutionPolicyOnlyWhenNeeded, not eExecutionPolicyAlways when evaluating the expression for breakpoint
conditions.
llvm-svn: 155236
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is turned off.
<rdar://problem/10975912>
llvm-svn: 152376
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This fix really needed to happen as a previous fix I had submitted for
calculating symbol sizes made many symbols appear to have zero size since
the function that was calculating the symbol size was calling another function
that would cause the calculation to happen again. This resulted in some symbols
having zero size when they shouldn't. This could then cause infinite stack
traces and many other side affects.
llvm-svn: 152244
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to using StackID's. This
should be more efficient.
llvm-svn: 151780
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objects for the backlink to the lldb_private::Process. The issues we were
running into before was someone was holding onto a shared pointer to a
lldb_private::Thread for too long, and the lldb_private::Process parent object
would get destroyed and the lldb_private::Thread had a "Process &m_process"
member which would just treat whatever memory that used to be a Process as a
valid Process. This was mostly happening for lldb_private::StackFrame objects
that had a member like "Thread &m_thread". So this completes the internal
strong/weak changes.
Documented the ExecutionContext and ExecutionContextRef classes so that our
LLDB developers can understand when and where to use ExecutionContext and
ExecutionContextRef objects.
llvm-svn: 151009
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address from
the function it is being asked to step through, so that even if we get the trampoline
target wrong (for instance) we will still not lose control.
The other fix here is to tighten up the handling of the case where the current plan
doesn't explain the stop, but a plan above us does. In that case, if the plan that
does explain the stop says it is done, we need to clean up the plans below it and
continue on with our processing.
llvm-svn: 145740
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their constructors public, there isn't any good reason why you shouldn't be able to make these plans.
llvm-svn: 142026
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MIDDLE of another line, then continue till we get to the real beginning of a line. This is mostly to work around debug information bugs.
llvm-svn: 140416
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llvm-svn: 125076
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llvm-svn: 123780
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Also changed eSetVarTypeBool to eSetVarTypeBoolean to make it consistent with eArgTypeBoolean.
llvm-svn: 118824
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don't crash if we disable logging when some code already has a copy of the
logger. Prior to this fix, logs were handed out as pointers and if they were
held onto while a log got disabled, then it could cause a crash. Now all logs
are handed out as shared pointers so this problem shouldn't happen anymore.
We are also using our new shared pointers that put the shared pointer count
and the object into the same allocation for a tad better performance.
llvm-svn: 118319
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gets processed. That means GetStopReason needs to return a shared pointer, not a pointer to the thread's cached version. Also allow the thread plans to get and set the thread private stop reason - that is usually more appropriate for the logic the thread plans need to do.
llvm-svn: 116892
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llvm-svn: 114055
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to symbolicate things without the need for a valid process subclass.
llvm-svn: 113895
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Added extra logging for stepping.
Fixed an issue where cached stack frame data could be lost between runs when
the thread plans read a stack frame.
llvm-svn: 112973
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