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Commit Graph

8058 Commits

Author SHA1 Message Date
Lang Hames
7b43a9c7c5 [ORC] Re-apply r306166 and r306168 with fix for regression test.
llvm-svn: 306182
2017-06-23 23:25:28 +00:00
Zachary Turner
68fda3e094 [llvm-pdbutil] Dump raw bytes of module symbols and debug chunks.
llvm-svn: 306179
2017-06-23 23:08:57 +00:00
Rafael Espindola
b766456220 This reverts commit r306166 and r306168.
Revert "[ORC] Remove redundant semicolons from DEFINE_SIMPLE_CONVERSION_FUNCTIONS uses."
Revert "[ORC] Move ORC IR layer interface from addModuleSet to addModule and fix the module type as std::shared_ptr<Module>."

They broke ExecutionEngine/OrcMCJIT/test-global-ctors.ll on linux.

llvm-svn: 306176
2017-06-23 22:50:24 +00:00
Reid Kleckner
06075685d3 [llvm-readobj] Fix COFF RVA table dumping bug
We would return an error in getVaPtr if the RVA table being dumped was
the last data in the .rdata section. Avoid the issue by subtracting one
from the offset and adding it back to get an open interval again.

llvm-svn: 306171
2017-06-23 22:12:11 +00:00
Zachary Turner
5bcb7f9566 [llvm-pdbutil] Dump raw bytes of type and id records.
llvm-svn: 306167
2017-06-23 21:50:54 +00:00
Lang Hames
1f6bb5ebe0 [ORC] Move ORC IR layer interface from addModuleSet to addModule and fix the
module type as std::shared_ptr<Module>.

llvm-svn: 306166
2017-06-23 21:45:29 +00:00
Zachary Turner
a5aa4dd5a1 [llvm-pdbutil] Dump raw bytes of various DBI stream subsections.
llvm-svn: 306160
2017-06-23 21:11:54 +00:00
Zachary Turner
b33f95af4f [llvm-pdbutil] Show what blocks a stream occupies.
This is useful when you want to look at a specific chunk of a
stream or look for discontinuities, and you need to know the
list of blocks occupied by a stream.

llvm-svn: 306150
2017-06-23 20:28:14 +00:00
Zachary Turner
086ec4ddf5 [llvm-pdbutil] Dump raw bytes of pdb name map.
This patch dumps the raw bytes of the pdb name map which contains
the mapping of stream name to stream index for the string table
and other reserved streams.

llvm-svn: 306148
2017-06-23 20:18:38 +00:00
Zachary Turner
e26961f9a6 [llvm-pdbutil] Add the ability to dump raw bytes from the file.
Normally we can only make sense of the content of a PDB in terms
of streams and blocks, but in some cases it may be useful to dump
bytes at a specific absolute file offset.  For example, if you
know that some interesting data is at a particular location and
you want to see some surrounding data.

llvm-svn: 306146
2017-06-23 19:54:44 +00:00
Zachary Turner
287c1c9e0d [llvm-pdbutil] Add a function for formatting MSF data.
The goal here is to make it possible to display absolute
file offsets when dumping byets from an MSF.  The problem is
that when dumping bytes from an MSF, often the bytes will
cross a block boundary and encounter a discontinuity.  We
can't use the normal formatBinary() function for this because
this would just treat the sequence as entirely ascending, and
not account out-of-order blocks.

This patch adds a formatMsfData() function to our printer, and
then uses this function to improve the output of the -stream-data
command line option for dumping bytes from a particular stream.

Test coverage is also expanded to make sure to include all possible
scenarios of offsets, sizes, and crossing block boundaries.

llvm-svn: 306141
2017-06-23 18:52:13 +00:00
Lang Hames
efe8bd1023 [ORC] Switch the object layer API from addObjectSet to addObject (singular), and
move the ObjectCache from the IRCompileLayer to SimpleCompiler.

This is the first in a series of patches aimed at cleaning up and improving the
robustness and performance of the ORC APIs.

llvm-svn: 306058
2017-06-22 21:06:54 +00:00
Zachary Turner
6535c568ef [llvm-pdbutil] Create a "bytes" subcommand.
This idea originally came about when I was doing some deep
investigation of why certain bytes in a PDB that we round-tripped
differed from their original bytes in the source PDB.  I found
myself having to hack up the code in many places to dump the
bytes of this substream, or that record.  It would be nice if
we could just do this for every possible stream, substream,
debug chunk type, etc.

It doesn't make sense to put this under dump because there's just
so many options that would detract from the more common use case
of just dumping deserialized records.  So making a new subcommand
seems like the most logical course of action.  In doing so, we
already have two command line options that are suitable for this
new subcommand, so start out by moving them there.

llvm-svn: 306056
2017-06-22 20:58:11 +00:00
Zachary Turner
6ee4ce7f1d [llvm-pdbutil] Rename "raw" to "dump".
Now you run llvm-pdbutil dump <options>.  This is a followup
after having renamed the tool, whereas before raw was obviously
just the style of dumping, whereas now "dump" is the action to
perform with the "util".

llvm-svn: 306055
2017-06-22 20:57:39 +00:00
Kevin Enderby
a8f3f45fde Updated llvm-objdump for arm64 Mach-O MH_KEXT_BUNDLE file types so
it symbolically disassembles the __text section from the
__TEXT_EXEC segment not the usual __TEXT segment by default.

rdar://30590208

llvm-svn: 306046
2017-06-22 19:50:56 +00:00
Kevin Enderby
0b97356076 Updated llvm-objdump symbolic disassembly with x86_64 Mach-O MH_KEXT_BUNDLE
file types so it symbolically disassembles operands using the external
relocation entries.

rdar://31521343

llvm-svn: 306037
2017-06-22 17:41:22 +00:00
Reid Kleckner
4846404769 [llvm-readobj] Dump the COFF image load config
This includes the safe SEH tables and the control flow guard function
table. LLD will emit the guard table soon, and I need a tool that dumps
them for testing.

llvm-svn: 305979
2017-06-22 01:10:29 +00:00
David Blaikie
8dd3f4026e ClangFormat some changes from r305226
Post commit review feedback from Justin Bogner

llvm-svn: 305919
2017-06-21 15:20:46 +00:00
Kevin Enderby
3f637e8013 Updated llvm-objdump with Mach-O files and the -objc-meta-data option so
that it symbolically prints the superclass when it has dyld bind info for it.

rdar://7638823

llvm-svn: 305866
2017-06-20 22:55:11 +00:00
Kevin Enderby
c4ac67070a Change llvm-objdump with Mach-O files and the -info-plist option with the
-no-leading-headers option so that it does not print the leading header.

rdar://27378808

llvm-svn: 305849
2017-06-20 21:00:25 +00:00
Zachary Turner
bafdd700f2 Remove diff pedantic mode.
llvm-svn: 305818
2017-06-20 18:50:30 +00:00
Yuka Takahashi
3b19a660ec [GSoC] Flag value completion for clang
This is patch for GSoC project, bash-completion for clang.

To use this on bash, please run `source clang/utils/bash-autocomplete.sh`.
bash-autocomplete.sh is code for bash-completion.

In this patch, Options.td was mainly changed in order to add value class
in Options.inc.

llvm-svn: 305805
2017-06-20 16:31:31 +00:00
Sam Clegg
add57cc355 [WebAssembly] Add support for weak symbols in the binary format
This also introduces the updated format for the
"linking" section which can represent extra
symbol information.  See:
https://github.com/WebAssembly/tool-conventions/pull/10

Differential Revision: https://reviews.llvm.org/D34019

llvm-svn: 305769
2017-06-20 04:04:59 +00:00
Vedant Kumar
30059fc639 [ProfileData] PR33517: Check for failure of symtab creation
With PR33517, it became apparent that symbol table creation can fail
when presented with malformed inputs. This patch makes that sort of
error detectable, so llvm-cov etc. can fail more gracefully.

Specifically, we now check that function names within the symbol table
aren't empty.

Testing: check-{llvm,clang,profile}, some unit test updates.
llvm-svn: 305765
2017-06-20 01:38:56 +00:00
Kevin Enderby
3a465194e0 The change to llvm-nm in r305733 added fields to the struct NMSymbol
that are not set on the main path.  This diff does a memset to 0 the structs
so this change is to hopefully fix the sanitizer-x86_64-linux-fast bot.

llvm-svn: 305762
2017-06-20 00:41:04 +00:00
Eugene Zelenko
b39b18061f [ExecutionEngine] Fix some Clang-tidy modernize-use-using and Include What You Use warnings; other minor fixes (NFC).
llvm-svn: 305760
2017-06-19 23:37:52 +00:00
Kevin Enderby
dbfe579a76 Fix a FIXME in llvm-objdump for the -exports-trie option that was not adding
in the base address.

Without this Mach-O files, like 64-bit executables, don’t have the correct
addresses printed for their exports.  As the default is to link at address
0x100000000 not zero.

llvm-svn: 305744
2017-06-19 21:23:07 +00:00
Kevin Enderby
1a26f183b2 Change llvm-nm for Mach-O files to use dyld info in some cases when printing symbols.
In order to reduce swift binary sizes, Apple is now stripping swift symbols
from the nlist symbol table.  llvm-nm currently only looks at the nlist symbol
table and misses symbols that are present in dyld info.   This makes it hard to
know the set of symbols for a binary using just llvm-nm.  Unless you know to
run llvm-objdump -exports-trie that can output the exported symbols in the dyld
info from the export trie, which does so but in a different format.

Also moving forward the time may come a when a fully linked Mach-O file that
uses dyld will no longer have an nlist symbol table to avoid duplicating the
symbol information.

This change adds three flags to llvm-nm, -add-dyldinfo, -no-dyldinfo, and
-dyldinfo-only.

The first, -add-dyldinfo, has the same effect as when the new bit in the Mach-O
header, MH_NLIST_OUTOFSYNC_WITH_DYLDINFO, appears in a binary.  In that it
looks through the dyld info from the export trie and adds symbols to be printed
that are not already in its internal SymbolList variable.  The -no-dyldinfo
option turns this behavior off.

The -dyldinfo-only option only looks at the dyld information and recreates the
symbol table from the dyld info from the export trie and binding information.
As if it the Mach-O file had no nlist symbol table.

Also fixed a few bugs with Mach-O N_INDR symbols not correctly printing the
indirect name, or in the same format as the old nm-classic program.

rdar://32021551

llvm-svn: 305733
2017-06-19 19:38:22 +00:00
Eric Beckmann
0f7352d3aa Have writeCOFFWriter return Expected<unique_ptr>.
Summary: Have writeCOFFWriter return Expected<unique_ptr> instead of requiring being passed an uninitialized unique_ptr.

Reviewers: zturner, ruiu

Subscribers: hiraditya, llvm-commits

Differential Revision: https://reviews.llvm.org/D34307

llvm-svn: 305730
2017-06-19 18:49:05 +00:00
Reid Kleckner
6531ce0849 [CodeView] Fix dumping of public symbol record flags
I noticed nonsensical type information while dumping PDBs produced by
MSVC.

llvm-svn: 305708
2017-06-19 16:54:51 +00:00
Zachary Turner
fd4dcd2210 Delete TypeDatabase.
Merge the functionality into the random access type collection.
This class was only being used in 2 places, so getting rid of it
simplifies the code.

llvm-svn: 305653
2017-06-18 20:52:45 +00:00
Zachary Turner
9c736ffa49 Remove some dead code / includes.
I'm trying to get rid of the TypeDatabase class, so the first
step is to minimize its footprint.

llvm-svn: 305611
2017-06-16 23:42:15 +00:00
Sam Clegg
749ad73510 obj2yaml: Improve error reporting
Previously only the error codes were reported which
meant that useful information about malformed inputs
was not shown.

Differential Revision: https://reviews.llvm.org/D34008

llvm-svn: 305609
2017-06-16 23:29:54 +00:00
Eric Beckmann
3ec9bb7eb9 Clean up some things in the WindowsResource changes.
llvm-svn: 305596
2017-06-16 22:00:42 +00:00
Eric Beckmann
9452ff37f8 Switch external cvtres.exe for llvm's own resource library.
In this patch, I flip the switch in DriverUtils from using the external
cvtres.exe tool to using the Windows Resource library in llvm.

I also fixed a bug where .rsrc sections were marked as discardable
memory and therefore were placed in the wrong order in the final PE.

Furthermore, I modified WindowsResource to write the coff directly to a
memory buffer instead of to file, also had it use the machine types
already declared in COFF.h instead creating my own enum.

Finally, I flipped the switch to allow all unit tests that had
previously run only on windows due to a winres dependency to run
cross-platform.

Reviewers: zturner, ruiu

Subscribers: llvm-commits, hiraditya

Differential Revision: https://reviews.llvm.org/D34265

llvm-svn: 305592
2017-06-16 21:13:24 +00:00
Evgeniy Stepanov
286f104576 [cfi] CFI-ICall for ThinLTO.
Implement ControlFlowIntegrity for indirect function calls in ThinLTO.
Design follows the RFC in llvm-dev, see
https://groups.google.com/d/msg/llvm-dev/MgUlaphu4Qc/kywu0AqjAQAJ

llvm-svn: 305533
2017-06-16 00:18:29 +00:00
Zachary Turner
3ed15eeb87 [llvm-pdbutil] Add support for dumping cross module imports/exports.
llvm-svn: 305532
2017-06-16 00:04:24 +00:00
Zachary Turner
c17ab3eddf [llvm-pdbutil] Add a function for iterating over debug subsections.
NFC, just adds a helper function to reduce boilerplate.

llvm-svn: 305531
2017-06-15 23:59:56 +00:00
Zachary Turner
240abe68ab [llvm-pdbutil] Add support for dumping lines and inlinee lines.
llvm-svn: 305529
2017-06-15 23:56:19 +00:00
Zachary Turner
82c49846be Try to fix uninitialized read reported by msan.
llvm-svn: 305528
2017-06-15 23:44:19 +00:00
Zachary Turner
cc221d2ddd [llvm-pdbutil] Add back support for dumping file checksums.
When dumping module source files, also dump checksums.

llvm-svn: 305526
2017-06-15 23:12:41 +00:00
Zachary Turner
8eaa56ff25 [llvm-pdbutil] Add back the ability to dump hashes and index offsets.
This was regressed in a previous patch that re-wrote the dumper,
and I'm incrementally adding back the pieces that are missing.

llvm-svn: 305524
2017-06-15 23:04:42 +00:00
Zachary Turner
8b022e96fb Resubmit "[llvm-pdbutil] rewrite the "raw" output style."
This resubmits commit c0c249e9f2ef83e1d1e5f166b50673d92f3579d7.

It was broken due to some weird template issues, which have
since been fixed.

llvm-svn: 305517
2017-06-15 22:24:24 +00:00
Zachary Turner
e671337e5a Revert "[llvm-pdbutil] rewrite the "raw" output style."
This reverts commit 83ea17ebf2106859a51fbc2a86031b44d33696ad.

This is failing due to some strange template problems, so reverting
until it can be straightened out.

llvm-svn: 305505
2017-06-15 20:55:51 +00:00
Zachary Turner
6df4a4141a Fix some more warnings.
llvm-svn: 305499
2017-06-15 20:03:57 +00:00
Zachary Turner
58d75ab168 Fix some -Wreorder issues.
llvm-svn: 305497
2017-06-15 19:45:25 +00:00
Zachary Turner
f5c6b23b50 [llvm-pdbutil] rewrite the "raw" output style.
After some internal discussions, we agreed that the raw output style had
outlived its usefulness. It was originally created before we had even
thought of dumping to YAML, and it was intended to give us some insight
into the internals of a PDB file. Now we have YAML mode which does
almost exactly this but is more powerful in that it can round-trip back
to a PDB, which the raw mode could not do. So the raw mode had become
purely a maintenance burden.

One option was to just delete it. However, its original goal was to be
as readable as possible while staying close to the "metal" - i.e.
presenting the output in a way that maps directly to the underlying file
format. We don't actually need that last requirement anymore since it's
covered by the yaml mode, so we could repurpose "raw" mode to actually
just be as readable as possible.

This patch implements about 80% of the functionality previously in raw
mode, but in a completely different style that is more akin to what
cvdump outputs. Records are very compressed, often times appearing on
just one line. One nice thing about this is that it makes full record
matching easier, because you can grep for indices, names, and leaf types
on a single line often.

See the tests for some examples of what the new output looks like.

Note that this patch actually regresses the functionality of raw mode in
a few areas, but only because the patch was already unreasonably large
and going 100% would have been even worse. Specifically, this patch is
missing:

The ability to dump module debug subsections (checksums, lines, etc)
The ability to dump section headers
Aside from that everything is here. While goign through the tests fixing
them all up, I found many duplicate tests. They've been deleted. In
subsequent patches I will go through and re-add the missing
functionality.

Differential Revision: https://reviews.llvm.org/D34191

llvm-svn: 305495
2017-06-15 19:34:41 +00:00
Peter Collingbourne
176f7790ec MC, Object: Reserve a section type, SHT_LLVM_ODRTAB, for the ODR table.
This is part of the ODR checker proposal:
http://lists.llvm.org/pipermail/llvm-dev/2017-June/113820.html

Per discussion on the gnu-gabi mailing list [1] the section type range
0x6fff4c00..0x6fff4cff is reserved for LLVM.

[1] https://sourceware.org/ml/gnu-gabi/2017-q2/msg00030.html

Differential Revision: https://reviews.llvm.org/D33978

llvm-svn: 305407
2017-06-14 18:52:12 +00:00
Zachary Turner
14296a67da Resubmit "[codeview] Make obj2yaml/yaml2obj support .debug$S..."
This was originally reverted because of some non-deterministic
failures on certain buildbots.  Luckily ASAN eventually caught
this as a stack-use-after-scope, so the fix is included in
this patch.

llvm-svn: 305393
2017-06-14 15:59:27 +00:00
Zachary Turner
fc271778ce Revert "[codeview] Make obj2yaml/yaml2obj support .debug$S..."
This is causing failures on linux bots with an invalid stream
read.  It doesn't repro in any configuration on Windows, so
reverting until I have a chance to investigate on Linux.

llvm-svn: 305371
2017-06-14 06:24:24 +00:00