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llvm-svn: 132588
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Fixed ThreadPlanCallFunction::ReportRegisterState(...) to only dump when
verbose logging is enabled and fixed the function to use the new
RegisterValue method of reading registers.
Fixed the GDB remote client to not send a continue packet after receiving
stdout or stderr from the inferior process.
llvm-svn: 131628
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crash/breakpoint hit to
give the reason for the interrupt. Also make sure it we don't want to unwind from the evaluation
we print something if it is interrupted.
llvm-svn: 131448
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thread plan. In order to get the return value, you can call:
void
ThreadPlanCallFunction::RequestReturnValue (lldb::ValueSP &return_value_sp);
This registers a shared pointer to a return value that will get filled in if
everything goes well. After the thread plan is run the return value will be
extracted for you.
Added an ifdef to be able to switch between the LLVM MCJIT and the standand JIT.
We currently have the standard JIT selected because we have some work to do to
get the MCJIT fuctioning properly.
Added the ability to call functions with 6 argument in the x86_64 ABI.
Added the ability for GDBRemoteCommunicationClient to detect if the allocate
and deallocate memory packets are supported and to not call allocate memory
("_M") or deallocate ("_m") if we find they aren't supported.
Modified the ProcessGDBRemote::DoAllocateMemory(...) and ProcessGDBRemote::DoDeallocateMemory(...)
to be able to deal with the allocate and deallocate memory packets not being
supported. If they are not supported, ProcessGDBRemote will switch to calling
"mmap" and "munmap" to allocate and deallocate memory instead using our
trivial function call support.
Modified the "void ProcessGDBRemote::DidLaunchOrAttach()" to correctly ignore
the qHostInfo triple information if any was specified in the target. Currently
if the target only specifies an architecture when creating the target:
(lldb) target create --arch i386 a.out
Then the vendor, os and environemnt will be adopted by the target.
If the target was created with any triple that specifies more than the arch:
(lldb) target create --arch i386-unknown-unknown a.out
Then the target will maintain its triple and not adopt any new values. This
can be used to help force bare board debugging where the dynamic loader for
static files will get used and users can then use "target modules load ..."
to set addressses for any files that are desired.
Added back some convenience functions to the lldb_private::RegisterContext class
for writing registers with unsigned values. Also made all RegisterContext
constructors explicit to make sure we know when an integer is being converted
to a RegisterValue.
llvm-svn: 131370
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llvm-svn: 131334
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pointers:
virtual bool
PrepareTrivialCall (Thread &thread,
lldb::addr_t sp,
lldb::addr_t functionAddress,
lldb::addr_t returnAddress,
lldb::addr_t *arg1_ptr,
lldb::addr_t *arg2_ptr,
lldb::addr_t *arg3_ptr) const = 0;
Prior to this it was:
virtual bool
PrepareTrivialCall (Thread &thread,
lldb::addr_t sp,
lldb::addr_t functionAddress,
lldb::addr_t returnAddress,
lldb::addr_t arg,
lldb::addr_t *this_arg,
lldb::addr_t *cmd_arg) const = 0;
This was because the function that called this slowly added more features to
be able to call a C++ member function that might have a "this" pointer, and
then later added "self + cmd" support for objective C. Cleaning this code up
and the code that calls it makes it easier to implement the functions for
new targets.
The MacOSX_arm::PrepareTrivialCall() is now filled in and ready for testing.
llvm-svn: 131221
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respective ABI plugins as they were plug-ins that supplied ABI specfic info.
Also hookep up the UnwindAssemblyInstEmulation so that it can generate the
unwind plans for ARM.
Changed the way ABI plug-ins are handed out when you get an instance from
the plug-in manager. They used to return pointers that would be mananged
individually by each client that requested them, but now they are handed out
as shared pointers since there is no state in the ABI objects, they can be
shared.
llvm-svn: 131193
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treated as being permanently resident in target
memory. In fact, since the expression's stack frame
is deleted and potentially re-used after the
expression completes, the variables need to be treated
as being freeze-dried.
llvm-svn: 131104
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MachO & ELF - though the ELF implementation is probably a little weak. Then use this method in place of directly looking for "start" in the ThreadPlanCallFunction constructor to find the stopping point for our function evaluation.
llvm-svn: 127194
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"run to address" mode, and it
is an auto-discard thread plan, the plan stack unwinds properly.
llvm-svn: 124306
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Make sure DoTakedown gets called only once by adding a dedicated m_takedown_done bool.
Add a little more useful logging.
llvm-svn: 124015
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Set the thread state to "bland" before calling functions so they don't
inherit the pending signals and die.
llvm-svn: 123869
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popped. When the function call is discarded (e.g. when it crashes and discard_on_error is true) the plan gets discarded. You need to make sure that the stack gets restored right then, and not wait till you start again and the thread plan stack is cleared.
llvm-svn: 123716
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an issue with the way the UnwindLLDB was handing out RegisterContexts: it
was making shared pointers to register contexts and then handing out just
the pointers (which would get put into shared pointers in the thread and
stack frame classes) and cause double free issues. MallocScribble helped to
find these issues after I did some other cleanup. To help avoid any
RegisterContext issue in the future, all code that deals with them now
returns shared pointers to the register contexts so we don't end up with
multiple deletions. Also now that the RegisterContext class doesn't require
a stack frame, we patched a memory leak where a StackFrame object was being
created and leaked.
Made the RegisterContext class not have a pointer to a StackFrame object as
one register context class can be used for N inlined stack frames so there is
not a 1 - 1 mapping. Updates the ExecutionContextScope part of the
RegisterContext class to never return a stack frame to indicate this when it
is asked to recreate the execution context. Now register contexts point to the
concrete frame using a concrete frame index. Concrete frames are all of the
frames that are actually formed on the stack of a thread. These concrete frames
can be turned into one or more user visible frames due to inlining. Each
inlined stack frame has the exact same register context (shared via shared
pointers) as any parent inlined stack frames all the way up to the concrete
frame itself.
So now the stack frames and the register contexts should behave much better.
llvm-svn: 122976
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access to the members of the Objective-C self object.
The approach we take is to generate the method as a
@category on top of the self object, and to pass the
"self" pointer to it. (_cmd is currently NULL.)
Most changes are in ClangExpressionDeclMap, but the
change that adds support to the ABIs to pass _cmd
touches a fair amount of code.
llvm-svn: 121722
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logic that supported calling functions with arbitrary
arguments. We use ClangFunction for this, and the
low-level logic is only required to support one or two
pointer arguments.
llvm-svn: 118871
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Also changed eSetVarTypeBool to eSetVarTypeBoolean to make it consistent with eArgTypeBoolean.
llvm-svn: 118824
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when a function starts and ends, and also the
disassembly for anything that is a client of
ClangExpressionParser after it has been JIT
compiled.
llvm-svn: 118401
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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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implementation of the Objective-C object checkers
into the Objective-C language runtime.
llvm-svn: 118226
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exceptions for different languages out of
ThreadPlanCallFunction and put it into the
appropriate language runtimes.
llvm-svn: 118200
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exception checks at the right time, and modified
ClangFunction so that it doesn't misinterpret the
stop as a timeout stop.
llvm-svn: 118189
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set breakpoints at the different locations where
an exception could be thrown, so that exceptions
thrown by expressions are properly caught.
llvm-svn: 118142
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being generated correctly.
Also added a messy way to single-step through expressions
that I will improve soon.
llvm-svn: 117342
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on. Also made stopping
in mid-expression evaluation when we hit a breakpoint/signal work.
llvm-svn: 117341
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Christopher for pointing it out.
llvm-svn: 116871
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that occur while they run. This means that they
clean up after themselves even when they crash.
llvm-svn: 116870
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for C++ classes. Replaced it with a less hacky approach:
- If an expression is defined in the context of a
method of class A, then that expression is wrapped as
___clang_class::___clang_expr(void*) { ... }
instead of ___clang_expr(void*) { ... }.
- ___clang_class is resolved as the type of the target
of the "this" pointer in the method the expression
is defined in.
- When reporting the type of ___clang_class, a method
with the signature ___clang_expr(void*) is added to
that class, so that Clang doesn't complain about a
method being defined without a corresponding
declaration.
- Whenever the expression gets called, "this" gets
looked up, type-checked, and then passed in as the
first argument.
This required the following changes:
- The ABIs were changed to support passing of the "this"
pointer as part of trivial calls.
- ThreadPlanCallFunction and ClangFunction were changed
to support passing of an optional "this" pointer.
- ClangUserExpression was extended to perform the
wrapping described above.
- ClangASTSource was changed to revert the changes
required by the hack.
- ClangExpressionParser, IRForTarget, and
ClangExpressionDeclMap were changed to handle
different manglings of ___clang_expr flexibly. This
meant no longer searching for a function called
___clang_expr, but rather looking for a function whose
name *contains* ___clang_expr.
- ClangExpressionParser and ClangExpressionDeclMap now
remember whether "this" is required, and know how to
look it up as necessary.
A few inheritance bugs remain, and I'm trying to resolve
these. But it is now possible to use "this" as well as
refer implicitly to member variables, when in the proper
context.
llvm-svn: 114384
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to symbolicate things without the need for a valid process subclass.
llvm-svn: 113895
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call Objective-C methods from expressions. Also added
some more logging to the function-calling thread plan
so that we can see the registers when a function
finishes.
Also documented things maybe a bit better.
llvm-svn: 109938
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llvm-svn: 108524
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reasoning based on the kind of thread plan
without having to use RTTI.
Removed the ThreadPlanContinue and replaced with a ShouldAutoContinue query that serves the same purpose. Having to push
another plan to assert that if there's no other indication the target should continue when this plan is popped was flakey
and error prone. This method is more stable, and fixed problems we were having with thread specific breakpoints.
llvm-svn: 106378
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llvm-svn: 105619
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