Commit Graph

79 Commits

Author SHA1 Message Date
Zachary Turner dbeaea7b35 Refactor the PDB writing to use a builder approach
llvm-svn: 275110
2016-07-11 21:45:26 +00:00
Zachary Turner f6b9382467 [pdb] Add a pdb2yaml option to not dump file headers.
This will be useful once we start adding the ability to dump type
records and symbol records, since it will allow us to generate
mergeable information instead of information that specifies an
entire file.

llvm-svn: 275109
2016-07-11 21:45:09 +00:00
David Majnemer 7abd269aa9 [CodeView] Emit an appropriate symbol kind for globals
We emitted debug info for globals/functions as if they all had external
linkage.  Instead, emit local symbol records when appropriate.

llvm-svn: 274676
2016-07-06 21:07:47 +00:00
Zachary Turner 8848a7a6b2 [pdb] Round trip the PDB stream between YAML and binary PDB.
This gets writing of the PDB stream working.

llvm-svn: 274647
2016-07-06 18:05:57 +00:00
Zachary Turner ab58ae8730 [pdb] Re-add code to write PDB files.
Somehow all the functionality to write PDB files got removed,
probably accidentally when uploading the patch perhaps the wrong
one got uploaded.  This re-adds all the code, as well as the
corresponding test.

llvm-svn: 274248
2016-06-30 17:43:00 +00:00
Zachary Turner a30bd1a1bc Update llvm-pdbdump to use subcommands.
llvm-svn: 274247
2016-06-30 17:42:48 +00:00
Reid Kleckner 5b335b864b [codeview] Add support for splitting field list records over 64KB
The basic structure is that once a list record goes over 64K, the last
subrecord of the list is an LF_INDEX record that refers to the next
record. Because the type record graph must be toplogically sorted, this
means we have to emit them in reverse order. We build the type record in
order of declaration, so this means that if we don't want extra copies,
we need to detect when we were about to split a record, and leave space
for a continuation subrecord that will point to the eventual split
top-level record.

Also adds dumping support for these records.

Next we should make sure that large method overload lists work properly.

llvm-svn: 273294
2016-06-21 18:33:01 +00:00
Rui Ueyama 5dbea9db10 [Codeview] Add a class for LF_UDT_MOD_SRC_LINE.
Differential Revision: http://reviews.llvm.org/D21406

llvm-svn: 272843
2016-06-15 21:25:29 +00:00
Zachary Turner 1dc9fd3c4a Resubmit "[pdb] Actually write a PDB to disk from YAML.""
Reviewed By: ruiu
Differential Revision: http://reviews.llvm.org/D21220

llvm-svn: 272708
2016-06-14 20:48:36 +00:00
Zachary Turner 07c229c9e7 Revert "[pdb] Actually write a PDB to disk from YAML."
This reverts commit 879139e1c6577b09df52de56a6bab856a19ed185.

This was committed accidentally when I blindly typed git svn
dcommit instead of the command to generate a patch.

llvm-svn: 272693
2016-06-14 18:51:35 +00:00
Zachary Turner fe5bc02492 [pdb] Actually write a PDB to disk from YAML.
llvm-svn: 272692
2016-06-14 18:49:36 +00:00
Rui Ueyama f14a74c102 [pdbdump] Print out # of hash buckets.
In the reference code, the field name is `cHashBuckets`.

llvm-svn: 272075
2016-06-07 23:53:43 +00:00
Rui Ueyama d833917f98 [pdbdump] Print out TPI hash key size.
llvm-svn: 272073
2016-06-07 23:44:27 +00:00
Rui Ueyama 4bc848047b Fix CRLF -> LF.
llvm-svn: 271960
2016-06-06 23:35:52 +00:00
Rui Ueyama 2c5384ae4c [pdbdump] Print section header flags.
llvm-svn: 271943
2016-06-06 21:34:55 +00:00
Zachary Turner 7120a478fa [llvm-pdbdump] Dump MSF headers to YAML.
This is the simplest possible patch to get some kind of YAML
output.  All it dumps is the MSF header fields so that in
theory an empty MSF file could be reconstructed.

Reviewed By: ruiu, majnemer
Differential Revision: http://reviews.llvm.org/D20971

llvm-svn: 271939
2016-06-06 20:37:05 +00:00
Rui Ueyama ef2b488482 [pdbdump] Print out New FPO stream contents.
The data strucutre in the new FPO stream is described in the
PE/COFF spec. There is one record per function if frame pointer
is omitted.

Differential Revision: http://reviews.llvm.org/D20999

llvm-svn: 271926
2016-06-06 18:39:21 +00:00
Rui Ueyama fd97bf1f76 pdbdump: print out TPI hashes.
Differential Revision: http://reviews.llvm.org/D20945

llvm-svn: 271736
2016-06-03 20:48:51 +00:00
Zachary Turner 71f725735c [pdb] Add string table offsets to check output.
llvm-svn: 271674
2016-06-03 14:22:46 +00:00
Zachary Turner 3df1bfaaec [pdb] Print out file names instead of file offsets.
When printing line information and file checksums, we were printing
the file offset field from the struct header.  This teaches
llvm-pdbdump how to turn those numbers into the filename.  In the
case of file checksums, this is done by looking in the global
string table.  In the case of line contributions, this is done
by indexing into the file names buffer of the DBI stream.  Why
they use a different technique I don't know.

llvm-svn: 271630
2016-06-03 05:52:57 +00:00
Zachary Turner d0563f29f9 [pdb] Dump file checksums from pdb codeview line info.
llvm-svn: 271622
2016-06-03 04:01:48 +00:00
Zachary Turner a96cce64a5 [codeview] Dump line number and column information.
To facilitate this, a couple of changes had to be made:

1. `ModuleSubstream` got moved from `DebugInfo/PDB` to
`DebugInfo/CodeView`, and various codeview related types are defined
there.  It turns out `DebugInfo/CodeView/Line.h` already defines many of
these structures, but this is really old code that is not endian aware,
doesn't interact well with `StreamInterface` and not very helpful for
getting stuff out of a PDB.  Eventually we should migrate the old readobj
`COFFDumper` code to these new structures, or at least merge their
functionality somehow.

2. A `ModuleSubstream` visitor is introduced.  Depending on where your
module substream array comes from, different subsets of record types can
be expected.  We are already hand parsing these substream arrays in many
places especially in `COFFDumper.cpp`.  In the future we can migrate these
paths to the visitor as well, which should reduce a lot of code in
`COFFDumper.cpp`.

Differential Revision: http://reviews.llvm.org/D20936
Reviewed By: ruiu, majnemer

llvm-svn: 271621
2016-06-03 03:25:59 +00:00
Zachary Turner 7eb6d358af [llvm-pdbdump] Dump CodeView line information.
This first pass only splits apart the records and dumps the line
info kinds and binary data.  Subsequent patches will parse out
the binary data into more useful information and dump it in
detail.

llvm-svn: 271576
2016-06-02 20:11:22 +00:00
Rui Ueyama 90db78816b pdbdump: print out COFF section headers.
Unlike other sections that can grow to any size, the COFF section header
stream has maximum length because each record is fixed size and the COFF
file format limits the maximum number of sections. So I decided to not
create a specific stream class for it. Instead, I added a member function
to DbiStream class which returns a vector of COFF headers.

Differential Revision: http://reviews.llvm.org/D20717

llvm-svn: 271557
2016-06-02 18:20:20 +00:00
Zachary Turner 93839cb4ac [pdb] Parse and dump section map and section contribs
Differential Revision: http://reviews.llvm.org/D20876
Reviewed By: rnk, ruiu

llvm-svn: 271488
2016-06-02 05:07:49 +00:00
David Majnemer 8d106d5ea4 Update test to deal with non-zero exit codes
llvm-svn: 271135
2016-05-28 19:02:12 +00:00
Rui Ueyama 6816367a27 pdbdump: print out the name of the stream 0.
Differential Revision: http://reviews.llvm.org/D20712

llvm-svn: 270943
2016-05-27 00:32:07 +00:00
Rui Ueyama 9dc034dba1 pdbdump: Add -raw-all to enable all -raw-* flags.
Differential Revision: http://reviews.llvm.org/D20707

llvm-svn: 270937
2016-05-26 23:26:55 +00:00
Zachary Turner d3076ab36f [llvm-pdbdump] Decipher the remaining PDB streams.
We know at least know the meaning of every stream of the
PDB file.  Yay!

llvm-svn: 270669
2016-05-25 05:49:48 +00:00
Zachary Turner c9972c64f5 [llvm-pdbdump] Dump the IPI stream and all records.
llvm-svn: 270661
2016-05-25 04:35:22 +00:00
Rui Ueyama b12b158f20 pdbdump: fix bug in name hash table.
name_ids() did not return all IDs but only the first NameCount items.
The number of non-zero entries in IDs vector is NameCount, but it
does not mean that all non-zero entries are at the beginning of IDs
vector.

Differential Revision: http://reviews.llvm.org/D20611

llvm-svn: 270656
2016-05-25 04:07:17 +00:00
Zachary Turner c59261ca37 [llvm-pdbdump] Stream 0 isn't actually the MSF superblock.
Oddly enough, I realized we don't actually know what stream
0 is (if anything).

llvm-svn: 270655
2016-05-25 03:53:16 +00:00
Zachary Turner 85ed80b9e6 [llvm-pdbdump] Dump stream summary list.
Try to figure out what each stream is, and dump its name.

This gives us a better picture of what streams we still don't
understand.

llvm-svn: 270653
2016-05-25 03:43:17 +00:00
Zachary Turner 4caa1bf0bd [codeview] Add support for new type records.
This adds support for parsing and dumping the following
symbol types:

S_LPROCREF
S_ENVBLOCK
S_COMPILE2
S_REGISTER
S_COFFGROUP
S_SECTION
S_THUNK32
S_TRAMPOLINE

As of this patch, the test PDB files no longer have any unknown
symbol types.

llvm-svn: 270628
2016-05-24 22:58:46 +00:00
Zachary Turner 96e60f7573 [llvm-pdbdump] Rework command line options.
When dumping huge PDB files, too many of the options were grouped
together so you would get neverending spew of output.  This patch
introduces more granular display options so you can only dump the
fields you actually care about.

llvm-svn: 270607
2016-05-24 20:31:48 +00:00
Zachary Turner 9e33e6f89b [codeview, pdb] Dump symbol records in publics stream
Differential Revision: http://reviews.llvm.org/D20580
Reviewed By: ruiu

llvm-svn: 270597
2016-05-24 18:55:14 +00:00
Zachary Turner cac29ae038 Dump symbol record details in llvm-pdbdump
This makes use of the newly introduced `CVSymbolVisitor` to dump details
of each type of symbol record in the symbol streams.  Future patches will
bring this visitor based dumping to the publics stream, as well as
creating a `SymbolDumpDelegate` to print more information about
relocations etc.

Differential Revision: http://reviews.llvm.org/D20545
Reviewed By: ruiu

llvm-svn: 270585
2016-05-24 17:30:25 +00:00
Rui Ueyama 0fcd82605e pdbdump: print out symbol names referred by publics stream.
DBI stream contains a stream number of the symbol record stream.
Symbol record streams is an array of length-type-value members.
Each member represents one symbol.

Publics stream contains offsets to the symbol record stream.
This patch is to print out all symbols that are referenced by
the publics stream.

Note that even with this patch, llvm-pdbdump cannot dump all the
information in a publics stream since it contains more information
than symbol names. I'll improve it in followup patches.

Differential Revision: http://reviews.llvm.org/D20480

llvm-svn: 270262
2016-05-20 19:55:17 +00:00
Rui Ueyama 0376b1a2d7 pdbdump: Rename NumberOfSymbols -> SymbolRecordStreamIndex.
Differential Revision: http://reviews.llvm.org/D20441

llvm-svn: 270088
2016-05-19 18:05:58 +00:00
Rui Ueyama 350b29862f pdbdump: Print out section offsets in the publics stream.
llvm-svn: 269955
2016-05-18 16:24:16 +00:00
Rui Ueyama 8dc18c5f45 pdbdump: Print out more strcutures.
I don't yet fully understand the meaning of these data strcutures,
but at least it seems that their sizes and types are correct.
With this change, we can read publics streams till end.

Differential Revision: http://reviews.llvm.org/D20343

llvm-svn: 269861
2016-05-17 23:07:48 +00:00
Rui Ueyama 1f6b6e2c53 pdbdump: Print "Publics" stream.
Publics stream seems to contain information as to public symbols.
It actually contains a serialized hash table along with fixed-sized
headers. This patch is not complete. It scans only till the end of
the stream and dump the header information. I'll write code to
de-serialize the hash table later.

Reviewers: zturner

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D20256

llvm-svn: 269484
2016-05-13 21:21:53 +00:00
Reid Kleckner 4525fbe22a [codeview] Align class and print names of types
Summary: This way we can get rid of one of the fields in the .def file.

Reviewers: llvm-commits

Subscribers: zturner

Differential Revision: http://reviews.llvm.org/D20251

llvm-svn: 269461
2016-05-13 19:37:07 +00:00
Reid Kleckner bab3fab806 [codeview] Dump the type index on the first line of each record
This will make it easier to write FileCheck tests.

llvm-svn: 269444
2016-05-13 17:48:24 +00:00
Zachary Turner 06c2b4be25 [pdb] Parse the module info stream for each module.
Differential Revision: http://reviews.llvm.org/D20026
Reviewed By: rnk

llvm-svn: 268942
2016-05-09 17:45:21 +00:00
Zachary Turner 5a1b5ef9eb Make llvm-pdbdump print CV type records
This reuses the CVTypeDumper from libcodeview to dump full
information about type records within a PDB file.

Differential Revision: http://reviews.llvm.org/D20022
Reviewed By: rnk

llvm-svn: 268808
2016-05-06 22:15:42 +00:00
Zachary Turner 4f84e3bfcf Fix failing test due to merge conflict.
llvm-svn: 268798
2016-05-06 21:19:29 +00:00
Zachary Turner 819e77d196 Port DebugInfoPDB over to using llvm::Error.
Differential Revision: http://reviews.llvm.org/D19940
Reviewed By: rnk

llvm-svn: 268791
2016-05-06 20:51:57 +00:00
Reid Kleckner b034526853 Reland "Use ScopedPrinter in llvm-pdbdump"
This reverts r268508 and reinstates r268506 with an additional cast from
TypeLeafKind to unsigned to allow conversion to HexNumber.

llvm-svn: 268517
2016-05-04 16:09:04 +00:00
Chad Rosier 20dbbf3542 Revert "Use ScopedPrinter in llvm-pdbdump"
This reverts commit r268506 due to build breakage.

llvm-svn: 268508
2016-05-04 15:25:06 +00:00