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Instead of creating symbols directly in the findChildren methods of the native
symbol implementations, they will rely on the NativeSession to act as a factory
for these types. This lets NativeSession cache the NativeRawSymbols in its
new symbol cache and makes that cache the source of unique IDs for the symbols.
Right now, this affects only NativeCompilandSymbols. There's no external
change yet, so I think the existing tests are still sufficient. Coming soon
are patches to extend this to built-in types and enums.
llvm-svn: 306610
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All NativeRawSymbols will have a unique symbol ID (retrievable via
getSymIndexId). For now, these are initialized to 0, but soon the
NativeSession will be responsible for creating the raw symbols, and it will
assign unique IDs.
The symbol cache in the NativeSession will also require the ability to clone
raw symbols, so I've provided implementations for that as well.
llvm-svn: 306042
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There doesn't seem to be a compelling reason why this method should be const
other than it was possible with the DIA implementation. The native session
is going to act as a symbol factory and cache. This could be acheived with
mutable (and the existing const_cast), but it seems cleaner to accept that
this method affects the state of the session.
This change eliminates an existing const_cast.
llvm-svn: 306041
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Previously the dumping of class definitions was very primitive,
and it made it hard to do more than the most trivial of output
formats when dumping. As such, we would only dump one line for
each field, and then dump non-layout items like nested types
and enums.
With this patch, we do a complete analysis of the object
hierarchy including aggregate types, bases, virtual bases,
vftable analysis, etc. The only immediately visible effects
of this are that a) we can now dump a line for the vfptr where
before we would treat that as padding, and b) we now don't
treat virtual bases that come at the end of a class as padding
since we have a more detailed analysis of the class's storage
usage.
In subsequent patches, we should be able to use this analysis
to display a complete graphical view of a class's layout including
recursing arbitrarily deep into an object's base class / aggregate
member hierarchy.
llvm-svn: 300133
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This should work on all platforms now that r299006 has landed. Tested locally
on Windows and Linux.
This moves exe symbol-specific method implementations out of NativeRawSymbol
into a concrete subclass. Also adds implementations for hasCTypes and
hasPrivateSymbols and a simple test to ensure the native reader can access the
summary information for the executable from the PDB.
Original Differential Revision: https://reviews.llvm.org/D31059
llvm-svn: 299019
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Reverting until I can figure out the root cause.
Revert "Re-land: Make NativeExeSymbol a concrete subclass of NativeRawSymbol [PDB]"
This reverts commit f461a70cc376f0f91c8b4917be79479cc86330a5.
llvm-svn: 298626
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The new test should pass on all platforms now that llvm-pdbdump has the
`-color-output` option.
This moves exe symbol-specific method implementations out of NativeRawSymbol
into a concrete subclass. Also adds implementations for hasCTypes and
hasPrivateSymbols and a simple test to ensure the native reader can access
the summary information for the executable from the PDB.
Original Differential Revision: https://reviews.llvm.org/D31059
llvm-svn: 298623
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For some reason this is causing ANSI color codes to be printed
even when run through FileCheck.
llvm-svn: 298026
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This moves exe symbol-specific method implementations out of NativeRawSymbol
into a concrete subclass. Also adds implementations for hasCTypes and
hasPrivateSymbols and a simple test to ensure the native reader can access
the summary information for the executable from the PDB.
Differential Revision: https://reviews.llvm.org/D31059
llvm-svn: 298005
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After several smaller patches to get most of the core improvements
finished up, this patch is a straight move and header fixup of
the source.
Differential Revision: https://reviews.llvm.org/D30266
llvm-svn: 296810
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Before the endianness was specified on each call to read
or write of the StreamReader / StreamWriter, but in practice
it's extremely rare for streams to have data encoded in
multiple different endiannesses, so we should optimize for the
99% use case.
This makes the code cleaner and more general, but otherwise
has NFC.
llvm-svn: 296415
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r296215, "[PDB] General improvements to Stream library."
r296217, "Disable BinaryStreamTest.StreamReaderObject temporarily."
r296220, "Re-enable BinaryStreamTest.StreamReaderObject."
r296244, "[PDB] Disable some tests that are breaking bots."
r296249, "Add static_cast to silence -Wc++11-narrowing."
std::errc::no_buffer_space should be used for OS-oriented errors for socket transmission.
(Seek discussions around llvm/xray.)
I could substitute s/no_buffer_space/others/g, but I revert whole them ATM.
Could we define and use LLVM errors there?
llvm-svn: 296258
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This adds various new functionality and cleanup surrounding the
use of the Stream library. Major changes include:
* Renaming of all classes for more consistency / meaningfulness
* Addition of some new methods for reading multiple values at once.
* Full suite of unit tests for reader / writer functionality.
* Full set of doxygen comments for all classes.
* Streams now store their own endianness.
* Fixed some bugs in a few of the classes that were discovered
by the unit tests.
llvm-svn: 296215
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This is part of a larger effort to get the Stream code moved
up to Support. I don't want to do it in one large patch, in
part because the changes are so big that it will treat everything
as file deletions and add, losing history in the process.
Aside from that though, it's just a good idea in general to
make small changes.
So this change only changes the names of the Stream related
source files, and applies necessary source fix ups.
llvm-svn: 296211
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This allows the ability to call IPDBSession::getGlobalScope with a NativeSession and
to then query it for some basic fields from the PDB's InfoStream.
Note that the symbols now have non-const references back to the Session so that
NativeRawSymbol can access the PDBFile through the Session.
Differential Revision: https://reviews.llvm.org/D30314
llvm-svn: 296049
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Some PDBs or object files can contain references to other PDBs
where the real type information lives. When this happens,
all type indices in the original PDB are meaningless because
their records are not there.
With this patch we add the ability to pull type info from those
secondary PDBs.
Differential Revision: https://reviews.llvm.org/D29973
llvm-svn: 295382
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This eliminates one overload on the term Raw.
Differential Revision: https://reviews.llvm.org/D29098
llvm-svn: 293104
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