summaryrefslogtreecommitdiffstats
path: root/llvm/lib/DebugInfo/PDB
Commit message (Collapse)AuthorAgeFilesLines
* Parse the TPI (type information) stream of PDB files.Zachary Turner2016-05-036-5/+179
| | | | | | | | | | | | | | | This parses the TPI stream (stream 2) from the PDB file. This stream contains some header information followed by a series of codeview records. There is some additional complexity here in that alongside this stream of codeview records is a serialized hash table in order to efficiently query the types. We parse the necessary bookkeeping information to allow us to reconstruct the hash table, but we do not actually construct it yet as there are still a few things that need to be understood first. Differential Revision: http://reviews.llvm.org/D19840 Reviewed By: ruiu, rnk llvm-svn: 268343
* [llvm-pdbdump] Fix read past EOF when file is too small.Zachary Turner2016-05-021-0/+4
| | | | llvm-svn: 268316
* Fix build breakage due to implicit conversion.Zachary Turner2016-05-021-1/+2
| | | | llvm-svn: 268277
* PDB - Instead of hardcoding stream numbers, use an enum.Zachary Turner2016-05-022-12/+17
| | | | llvm-svn: 268270
* Parse PDB Name Hash TableZachary Turner2016-05-024-0/+151
| | | | | | | | | | | | | PDB has a lot of similar data structures. We already have code for parsing a Name Map, but PDB seems to have a different but very similar structure that is a hash table. This is the beginning of code needed in order to parse the name hash table, but it is not yet complete. It parses the basic metadata of the hash table, the bucket array, and the names buffer, but doesn't use any of these fields yet as the data structure requires a non-trivial amount of work to understand. llvm-svn: 268268
* Fix crash in PDB when loading corrupt file.Zachary Turner2016-04-291-0/+7
| | | | | | | | | | There are probably hundreds of crashers we can find by fuzzing more. For now we do the simplest possible validation of the block size. Later, more complicated validations can verify that other fields of the super block such as directory size, number of blocks, agree with the size of the file etc. llvm-svn: 268084
* Put PDB parsing code into a pdb namespace.Zachary Turner2016-04-2911-62/+70
| | | | llvm-svn: 268072
* Refactor the PDB Stream reading interface.Zachary Turner2016-04-297-74/+151
| | | | | | | | | | | | | | | | | | | | | | | | | | | The motivation for this change is that PDB has the notion of streams and substreams. Substreams often consist of variable length structures that are convenient to be able to treat as guaranteed, contiguous byte arrays, whereas the streams they are contained in are not necessarily so, as a single stream could be spread across many discontiguous blocks. So, when processing data from a substream, we want to be able to assume that we have a contiguous byte array so that we can cast pointers to variable length arrays and such. This leads to the question of how to be able to read the same data structure from either a stream or a substream using the same interface, which is where this patch comes in. We separate out the stream's read state from the underlying representation, and introduce a `StreamReader` class. Then we change the name of `PDBStream` to `MappedBlockStream`, and introduce a second kind of stream called a `ByteStream` which is simply a sequence of contiguous bytes. Finally, we update all of the std::vectors in `PDBDbiStream` to use `ByteStream` instead as a proof of concept. llvm-svn: 268071
* [llvm-pdbdump] Try to appease the ASan botDavid Majnemer2016-04-291-0/+5
| | | | | | We didn't check that the file was large enough to hold a super block. llvm-svn: 267965
* [llvm-pdbdump] Restore error messages, handle bad block sizesDavid Majnemer2016-04-281-1/+1
| | | | | | | We lost the ability to report errors, bring it back. Also, correctly validate the block size. llvm-svn: 267955
* [llvm-pdbdump] Correctly read data larger than a blockDavid Majnemer2016-04-281-25/+15
| | | | | | | | | A bug was introduced when the code was refactored which resulted in a bad memory access. This fixes PR27565. llvm-svn: 267953
* Fix warning in PDB code. NFCAmaury Sechet2016-04-281-1/+1
| | | | llvm-svn: 267938
* Add parentheses to silence -Wparentheses warnings.Zachary Turner2016-04-281-6/+6
| | | | llvm-svn: 267934
* Read the rest of the DBI substreams, and parse source info.Zachary Turner2016-04-281-11/+124
| | | | | | | | | | | | | We now read out the rest of the substreams from the DBI streams. One of these substreams, the FileInfo substream, contains information about which source files contribute to each module (aka compiland). This patch additionally parses out the file information from that substream, and dumps it in llvm-pdbdump. Differential Revision: http://reviews.llvm.org/D19634 Reviewed by: ruiu llvm-svn: 267928
* Parse module information from DBI stream.Zachary Turner2016-04-273-2/+161
| | | | | | | | | | | | This gets more data out of the DBI strema of the PDB. In particular it extracts the metadata for the list of modules (compilands) that this PDB contains info about, and adds support for dumping these fields to llvm-pdbdump. Differential Revision: http://reviews.llvm.org/D19570 Reviewed By: ruiu llvm-svn: 267818
* [PDB] Fix function names for private symbols in PDBsReid Kleckner2016-04-271-14/+12
| | | | | | | | | | | | | | | | | | | | | | | | | Summary: llvm-symbolizer wants to get linkage names of functions for historical reasons. Linkage names are only recorded in the PDB for public symbols, and the linkage name is apparently stored separately in some "public symbol" record. We had a workaround in PDBContext which would look for such symbols when the user requested linkage names. However, when given an address that was truly in a private function and public funciton, we would accidentally find nearby public symbols and return those function names. The fix is to look for both function symbols and public symbols and only prefer the public symbol name if the addresses of the symbols agree. Fixes PR27492 Reviewers: zturner Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D19571 llvm-svn: 267732
* Remove more unused variables.Zachary Turner2016-04-261-3/+0
| | | | llvm-svn: 267598
* [llvm-pdbdump] Fix version reading on big endian systems.Zachary Turner2016-04-261-1/+2
| | | | llvm-svn: 267595
* Fix warnings and -Werror build on clang.Zachary Turner2016-04-261-1/+1
| | | | llvm-svn: 267589
* Parse and dump PDB DBI Stream Header InformationZachary Turner2016-04-265-1/+191
| | | | | | | | | | | | | | | | | | The DBI stream contains a lot of bookkeeping information for other streams. In particular it contains information about section contributions and linked modules. This patch is a first attempt at parsing some of the information out of the DBI stream. It currently only parses and dumps the headers of the DBI stream, so none of the module data or section contribution data is pulled out. This is just a proof of concept that we understand the basic properties of the DBI stream's metadata, and followup patches will try to extract more detailed information out. Differential Revision: http://reviews.llvm.org/D19500 Reviewed By: majnemer, ruiu llvm-svn: 267585
* Fix build broken due to order of initialization problem.Zachary Turner2016-04-261-2/+1
| | | | llvm-svn: 267571
* Refactor some more PDB reading code into DebugInfoPDB.Zachary Turner2016-04-263-0/+164
| | | | | | | Differential Revision: http://reviews.llvm.org/D19445 Reviewed By: David Majnemer llvm-svn: 267564
* Resubmit "Refactor raw pdb dumper into library"Zachary Turner2016-04-255-3/+468
| | | | | | | This fixes a number of endianness issues as well as an ODR violation that hopefully causes everything to be happy. llvm-svn: 267431
* Revert r267049, r26706[16789], r267071 - Refactor raw pdb dumper into libraryDaniel Sanders2016-04-225-468/+3
| | | | | | r267049 broke multiple buildbots (e.g. clang-cmake-mips, and clang-x86_64-linux-selfhost-modules) which the follow-ups have not yet resolved and this is preventing subsequent committers from being notified about additional failures on the affected buildbots. llvm-svn: 267148
* Fix PDB warnings and testReid Kleckner2016-04-212-22/+9
| | | | llvm-svn: 267071
* Remove dead code. NFCAmaury Sechet2016-04-211-4/+0
| | | | llvm-svn: 267069
* Fix -Wreturn-type warning with HAVE_DIA_SDK is false.Zachary Turner2016-04-211-0/+2
| | | | llvm-svn: 267068
* Fix for case sensitive filename failure.Zachary Turner2016-04-211-1/+1
| | | | llvm-svn: 267066
* Remove various warnings. NFCAmaury Sechet2016-04-212-5/+4
| | | | llvm-svn: 267061
* Refactor raw pdb dumper into libraryZachary Turner2016-04-215-3/+484
| | | | | | | | | | | | | | | | | | PDB parsing code was hand-rolled into llvm-pdbdump. This patch moves the parsing of this code into DebugInfoPDB and makes the dumper use this. This is achieved by implementing the skeleton of RawPdbSession, the non-DIA counterpart to the existing PDB read interface. None of the type / source file / etc information is accessible yet, so this implementation is not yet close to achieving parity with the DIA counterpart, but the RawSession class simply holds a reference to a PDBFile class which handles parsing the file format. Additionally a PDBStream class is introduced which allows accessing the bytes of a particular stream in a PDB file. Differential Revision: http://reviews.llvm.org/D19343 Reviewed By: majnemer llvm-svn: 267049
* [llvm-pdbdump] Print a better error message when PDB loading fails.Zachary Turner2016-04-192-14/+19
| | | | | | Differential Revision: http://reviews.llvm.org/D19234 llvm-svn: 266772
* Unbreak building llvm-pdbdump on Windows after r266595.Nico Weber2016-04-183-1/+4
| | | | llvm-svn: 266612
* Make DIASession work if msdia*.dll isn't registered.Nico Weber2016-04-011-9/+34
| | | | | | | | | This fixes various symbolization test failures for me when I build with a hermetic VS2015 without having run the 2015 installer. http://reviews.llvm.org/D18707 llvm-svn: 265193
* [DebugInfoPDB] Add source / line number accessors for PDB.Zachary Turner2016-02-183-3/+93
| | | | | | | This patch adds a variety of different methods to query source and line number information from PDB files. llvm-svn: 261239
* [DebugInfoPDB] A few cleanups on PDB Variant class.Zachary Turner2016-02-171-2/+4
| | | | | | | | Also implements the PDBSymbolCompilandEnv::getValue() method, which until now had been unimplemented specifically because variant did not support string values. llvm-svn: 261173
* [DebugInfoPDB] Raise getSymIndexId() up to PDBSymbolZachary Turner2016-02-171-0/+1
| | | | | | | | | | | | | Every symbol, no matter what it's tag is, supports the method getSymIndexId(). However, this was being forwarded on every concrete symbol type, so if someone had a PDBSymbol that they didn't know what type it was (or simply didn't have an instance of the concrete symbol type), they would not be able to get its index id. This patch moves the method up to PDBSymbol, so that no matter what type of object you have, you can always get its id. llvm-svn: 261153
* [DebugInfoPDB] Teach Variant to support string types.Zachary Turner2016-02-172-22/+36
| | | | | | | | | | The IDiaSymbol::getValue() method returns a variant. Until now, I had never encountered a string value, so the Variant wrapper did not support VT_BSTR. Now we have need to support string values, so this patch just adds support for one extra type to Variant. llvm-svn: 261152
* Remove autoconf supportChris Bieneman2016-01-261-14/+0
| | | | | | | | | | | | | | | | Summary: This patch is provided in preparation for removing autoconf on 1/26. The proposal to remove autoconf on 1/26 was discussed on the llvm-dev thread here: http://lists.llvm.org/pipermail/llvm-dev/2016-January/093875.html "I felt a great disturbance in the [build system], as if millions of [makefiles] suddenly cried out in terror and were suddenly silenced. I fear something [amazing] has happened." - Obi Wan Kenobi Reviewers: chandlerc, grosbach, bob.wilson, tstellarAMD, echristo, whitequark Subscribers: chfast, simoncook, emaste, jholewinski, tberghammer, jfb, danalbert, srhines, arsenm, dschuff, jyknight, dsanders, joker.eph, llvm-commits Differential Revision: http://reviews.llvm.org/D16471 llvm-svn: 258861
* Re-submit r256008 "Improve DWARFDebugFrame::parse to also handle __eh_frame."Igor Laevsky2016-01-261-1/+2
| | | | | | | Originally this change was causing failures on windows buildbots. But those problems were fixed in r258806. llvm-svn: 258811
* Fix instance of -Wcovered-switch-defaultReid Kleckner2016-01-131-2/+0
| | | | llvm-svn: 257665
* [readobj] Expand CodeView dumping functionalityReid Kleckner2016-01-131-26/+24
| | | | | | | | | | | | | | | | This rewrites and expands the existing codeview dumping functionality in llvm-readobj using techniques similar to those in lib/Object. This defines a number of new records and enums useful for reading memory mapped codeview sections in COFF objects. The dumper is intended as a testing tool for LLVM as it grows more codeview output capabilities. Reviewers: majnemer Differential Revision: http://reviews.llvm.org/D16104 llvm-svn: 257658
* Revert "Improve DWARFDebugFrame::parse to also handle __eh_frame."Pete Cooper2015-12-181-2/+1
| | | | | | | | This reverts commit r256008. Its breaking multiple buildbots, although works for me locally. llvm-svn: 256013
* Improve DWARFDebugFrame::parse to also handle __eh_frame.Pete Cooper2015-12-181-1/+2
| | | | | | | | | | | | | | | LLVM MC has single methods which can handle the output of EH frame and DWARF CIE's and FDE's. This code improves DWARFDebugFrame::parse to do the same for parsing. This also allows llvm-objdump to support the --dwarf=frames option which objdump supports. This option dumps the .eh_frame section using the new code in DWARFDebugFrame::parse. http://reviews.llvm.org/D15535 Reviewed by Rafael Espindola. llvm-svn: 256008
* Test commitDave Bartolomeo2015-12-171-1/+1
| | | | llvm-svn: 255926
* [llvm-symbolizer] Make --relative-address work with DWARF contextsReid Kleckner2015-10-091-17/+4
| | | | | | | | | | | | | | | | Summary: Previously the relative address flag only affected PDB debug info. Now both DIContext implementations always expect to be passed virtual addresses. llvm-symbolizer is now responsible for adding ImageBase to module offsets when --relative-offset is passed. Reviewers: zturner Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D12883 llvm-svn: 249784
* Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC)Alexander Kornienko2015-06-232-2/+2
| | | | | | Apparently, the style needs to be agreed upon first. llvm-svn: 240390
* Try to fix generation of LLVMExports.cmake under Visual Studio.Dan Liew2015-06-191-1/+1
| | | | | | | | | | If LLVMDebugInfoPDB links against the DIA SDK then the exports file would contain an INTERFACE_LINK_LIBRARIES property that contained an absolute path to ``diaguids.lib`` which used a native windows path (interpreted as escape sequences when LLVMExports.cmake is imported causing ``find_package(LLVM)`` to fail) rather than the correct CMake style path. llvm-svn: 240181
* Fixed/added namespace ending comments using clang-tidy. NFCAlexander Kornienko2015-06-192-2/+2
| | | | | | | | | | | | | The patch is generated using this command: tools/clang/tools/extra/clang-tidy/tool/run-clang-tidy.py -fix \ -checks=-*,llvm-namespace-comment -header-filter='llvm/.*|clang/.*' \ llvm/lib/ Thanks to Eugene Kosov for the original patch! llvm-svn: 240137
* MC: MCCodeGenInfo naming update. NFC.Jim Grosbach2015-05-152-2/+2
| | | | | | s/InitMCCodeGenInfo/initMCCodeGenInfo/ llvm-svn: 237471
* A few fixes for llvm-symbolizer on Windows.Zachary Turner2015-05-061-20/+50
| | | | | | | | | Specifically, this patch correctly respects the -demangle option, and additionally adds a hidden --relative-address option allows input addresses to be relative to the module load address instead of absolute addresses into the image. llvm-svn: 236653
OpenPOWER on IntegriCloud