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* llvm-dwarfdump: Add support for the --arch command line option.Adrian Prantl2017-09-211-16/+57
| | | | llvm-svn: 313888
* Add missing file from r313884.Benjamin Kramer2017-09-211-1/+1
| | | | llvm-svn: 313885
* [dsymutil] Don't resolve DIE reference to NULL DIE.Jonas Devlieghere2017-09-211-2/+6
| | | | | | | | | | | | | This patch prevents dsymutil from resolving a reference to a NULL DIE when a bogus reference happens to be coincidentally referencing a NULL DIE. Now this is detected as an invalid reference and a warning is printed. Fixes: https://bugs.llvm.org/show_bug.cgi?id=33873 Differential revision: https://reviews.llvm.org/D38078 llvm-svn: 313872
* [llvm-cov] Improve error messaging for function mismatchesVedant Kumar2017-09-211-1/+15
| | | | | | | | | Passing "-dump" to llvm-cov will now print more detailed information about function hash and counter mismatches. This should make it easier to debug *.profdata files which contain incorrect records, and to debug other scenarios where coverage goes missing due to mismatch issues. llvm-svn: 313853
* llvm-dwarfdump: move -eh-frame into the right section in the help output.Adrian Prantl2017-09-201-1/+1
| | | | llvm-svn: 313836
* [llvm-readobj] Fix 'Teach readobj to dump .res files', pt 3.Marek Sokolowski2017-09-201-1/+2
| | | | | | Fix (r313790) missing ulittle{}_t error on some buildbots. llvm-svn: 313834
* [llvm-readobj] Fix 'Teach readobj to dump .res files', pt 2.Marek Sokolowski2017-09-201-2/+5
| | | | | | | Another fix-up for r313790. Big-endian hosts swapped byte order in UTF16 words. llvm-svn: 313833
* [WebAssembly] Add support for local symbol bindingsSam Clegg2017-09-202-8/+4
| | | | | | Differential Revision: https://reviews.llvm.org/D38096 llvm-svn: 313817
* [llvm-readobj] Fix 'Teach readobj to dump .res files'.Marek Sokolowski2017-09-201-1/+1
| | | | | | | Fix-up for r313790. Some buildbots couldn't convert size_t to uint{}_t; do it manually. llvm-svn: 313816
* Introduce the llvm-cfi-verify tool (resubmission of D37937).Vlad Tsyrklevich2017-09-204-0/+279
| | | | | | | | | | | | | | | | Summary: Resubmission of D37937. Fixed i386 target building (conversion from std::size_t& to uint64_t& failed). Fixed documentation warning failure about docs/CFIVerify.rst not being in the tree. Reviewers: vlad.tsyrklevich Reviewed By: vlad.tsyrklevich Patch by Mitch Phillips Subscribers: sbc100, mgorny, pcc, llvm-commits, kcc Differential Revision: https://reviews.llvm.org/D38089 llvm-svn: 313809
* Revert "Introduce the llvm-cfi-verify tool (resubmission of D37937)."Vlad Tsyrklevich2017-09-204-278/+0
| | | | | | This reverts commit r313798, it's causing buildbot failures. llvm-svn: 313804
* Introduce the llvm-cfi-verify tool (resubmission of D37937).Vlad Tsyrklevich2017-09-204-0/+278
| | | | | | | | | | | | | | | | Summary: Resubmission of D37937. Fixed i386 target building (conversion from std::size_t& to uint64_t& failed). Fixed documentation warning failure about docs/CFIVerify.rst not being in the tree. Reviewers: vlad.tsyrklevich Reviewed By: vlad.tsyrklevich Patch by Mitch Phillips Subscribers: mgorny, pcc, llvm-commits, kcc Differential Revision: https://reviews.llvm.org/D38089 llvm-svn: 313798
* Reland "[WebAssembly] Add support for naming wasm data segments"Sam Clegg2017-09-203-2/+36
| | | | | | | | | Add adds support for naming data segments. This is useful useful linkers so that they can merge similar sections. Differential Revision: https://reviews.llvm.org/D37886 llvm-svn: 313795
* [llvm-readobj] Teach readobj to dump .res files (WindowsResource).Marek Sokolowski2017-09-204-0/+130
| | | | | | | | | | This enables readobj to output Windows resource files (.res). This way, we'll be able to test .res outputs without comparing them byte-by-byte with "magic binary files" generated by MS toolchain. Differential Revision: https://reviews.llvm.org/D38058 llvm-svn: 313790
* llvm-dwarfdump: implement --recurse-depth=<N>Adrian Prantl2017-09-202-4/+19
| | | | | | | | | | This patch implements the Darwin dwarfdump option --recurse-depth=<N>, which limits the recursion depth when selectively printing DIEs at an offset. Differential Revision: https://reviews.llvm.org/D38064 llvm-svn: 313778
* Reland "[llvm-objcopy] Add support for .dynamic, .dynsym, and .dynstr"Jake Ehrlich2017-09-202-31/+114
| | | | | | | | | | | | | | I overzealously landed this before I was sure that another change wouldn't break the build that this change depends on. This change adds support for sections involved in dynamic loading such as SHT_DYNAMIC, SHT_DYNSYM, and allocated string tables. The two added binaries used for tests can be downloaded here and here Differential Revision: https://reviews.llvm.org/D36560 llvm-svn: 313767
* Reverting due to Green Dragon bot failure.Mike Edwards2017-09-203-34/+1
| | | | | | http://green.lab.llvm.org/green/job/clang-stage1-cmake-RA-incremental/42594/ llvm-svn: 313706
* [WebAssembly] Add support for naming wasm data segmentsSam Clegg2017-09-193-1/+34
| | | | | | | | | Add adds support for naming data segments. This is useful useful linkers so that they can merge similar sections. Differential Revision: https://reviews.llvm.org/D37886 llvm-svn: 313692
* Revert "Introduce the llvm-cfi-verify tool."Vlad Tsyrklevich2017-09-194-278/+0
| | | | | | | This reverts commit r313688, it caused build failures for llvm-i686-linux-RA llvm-svn: 313689
* Introduce the llvm-cfi-verify tool.Vlad Tsyrklevich2017-09-194-0/+278
| | | | | | | | | | | | | | | | Summary: Introduces the llvm-cfi-verify tool to llvm. Includes the design document (docs/CFIVerify.rst). Current implementation of the tool is simply a disassembler that identifies and prints the indirect control flow instructions. Reviewers: vlad.tsyrklevich Reviewed By: vlad.tsyrklevich Patch by Mitch Phillips Subscribers: llvm-commits, kcc, pcc, mgorny Differential Revision: https://reviews.llvm.org/D37937 llvm-svn: 313688
* Reland "[llvm-objcopy] Add support for nested and overlapping segments"Jake Ehrlich2017-09-192-6/+67
| | | | | | | | | | | I didn't initialize a pointer to be nullptr that I needed to. This change adds support for nested and even overlapping segments. This means that PT_PHDR, PT_GNU_RELRO, PT_TLS, and PT_DYNAMIC can be supported properly. Differential Revision: https://reviews.llvm.org/D36558 llvm-svn: 313682
* llvm-dwarfdump: un-hide more command line optionsAdrian Prantl2017-09-191-4/+9
| | | | llvm-svn: 313673
* Revert "[llvm-objcopy] Add support for .dynamic, .dynsym, and .dynstr"Jake Ehrlich2017-09-192-114/+31
| | | | | | | This reverts commit r313663. Broken because overlapping-sections was reverted. llvm-svn: 313665
* Revert "[llvm-objcopy] Add support for nested and overlapping segments"Jake Ehrlich2017-09-192-67/+6
| | | | | | This reverts commit r313656. Appears to be broken on Windows. llvm-svn: 313664
* [llvm-objcopy] Add support for .dynamic, .dynsym, and .dynstrJake Ehrlich2017-09-192-31/+114
| | | | | | | | | | | | | | | This change adds support for sections involved in dynamic loading such as SHT_DYNAMIC, SHT_DYNSYM, and allocated string tables. The two added binaries used for tests can be downloaded [[ https://drive.google.com/file/d/0B3gtIAmiMwZXOXE3T0RobFg4ZTg/view?usp=sharing | here ]] and [[ https://drive.google.com/file/d/0B3gtIAmiMwZXTFJSQUJZMGxNSXc/view?usp=sharing | here ]] Differential Revision: https://reviews.llvm.org/D36560 llvm-svn: 313663
* [llvm-objcopy] Add support for nested and overlapping segmentsJake Ehrlich2017-09-192-6/+67
| | | | | | | | | This change adds support for nested and even overlapping segments. This means that PT_PHDR, PT_GNU_RELRO, PT_TLS, and PT_DYNAMIC can be supported properly. Differential Revision: https://reviews.llvm.org/D36558 llvm-svn: 313656
* Allow public Triple deduction from ObjectFiles.Vlad Tsyrklevich2017-09-191-20/+2
| | | | | | | | | | | | | | | Move logic that allows for Triple deduction from an ObjectFile object out of llvm-objdump.cpp into a public factory, found in the ObjectFile class. This should allow other tools in the future to use this logic without reimplementation. Patch by Mitch Phillips Differential Revision: https://reviews.llvm.org/D37719 llvm-svn: 313605
* [llvm-cov] Make report metrics agree with line exec counts, fixes PR34615Vedant Kumar2017-09-198-125/+124
| | | | | | | | | Use the same logic as the line-oriented coverage view to determine the number of covered lines in a function. Fixes llvm.org/PR34615. llvm-svn: 313604
* [Coverage] Use gap regions to select better line exec countsVedant Kumar2017-09-183-9/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | After clang started emitting deferred regions (r312818), llvm-cov has had a hard time picking reasonable line execuction counts. There have been one or two generic improvements in this area (e.g r310012), but line counts can still report coverage for whitespace instead of code (llvm.org/PR34612). To fix the problem: * Introduce a new region kind so that frontends can explicitly label gap areas. This is done by changing the encoding of the columnEnd field of MappingRegion. This doesn't substantially increase binary size, and makes it easy to maintain backwards-compatibility. * Don't set the line count to a count from a gap area, unless the count comes from a wrapped segment. * Don't highlight gap areas as uncovered. Fixes llvm.org/PR34612. llvm-svn: 313597
* [llvm-cov] Simplify code to find the first uncovered segment. NFC.Vedant Kumar2017-09-181-14/+8
| | | | | | | Now that that segment builder is guaranteed to produce segments in sorted order, we don't need a linear scan to get the right result. llvm-svn: 313595
* [ThinLTO/gold] Implement ThinLTO cache pruning supportYi Kong2017-09-181-0/+11
| | | | | | Differential Revision: https://reviews.llvm.org/D37993 llvm-svn: 313592
* Replace for_each with a range-based for. NFC.Adrian Prantl2017-09-181-4/+2
| | | | llvm-svn: 313578
* llvm-dwarfdump: add a --show-parents options when selectively dumping DIEs.Adrian Prantl2017-09-181-1/+8
| | | | llvm-svn: 313567
* [dwarfdump] Make .eh_frame an alias for .debug_frameJonas Devlieghere2017-09-183-6/+6
| | | | | | | | | | | | | | | | | | | | This patch makes the `.eh_frame` extension an alias for `.debug_frame`. Up till now it was only possible to dump the section using objdump, but not with dwarfdump. Since the two are essentially interchangeable, we dump whichever of the two is present. As a workaround, this patch also adds parsing for 3 currently unimplemented CFA instructions: `DW_CFA_def_cfa_expression`, `DW_CFA_expression`, and `DW_CFA_val_expression`. Because I lack the required knowledge, I just parse the fields without actually creating the instructions. Finally, this also fixes the typo in the `.debug_frame` section name which incorrectly contained a trailing `s`. Differential revision: https://reviews.llvm.org/D37852 llvm-svn: 313530
* [XRay][tools] Support tail-call exits before we write them in the runtimeDean Michael Berris2017-09-184-3/+12
| | | | | | | | | | | | | | | | | Summary: This change adds support for explicit tail-exit records to be written by the XRay runtime. This lets us differentiate the tail exit records/events in the log, and allows us to treat those exit events especially in the future. For now we allow printing those out in YAML (and reading them in). Reviewers: kpw, pelikan Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D37964 llvm-svn: 313514
* llvm-dwarfdump: support a --show-children optionAdrian Prantl2017-09-161-0/+7
| | | | | | | This will print all children of a DIE when selectively printing only one DIE at a given offset. llvm-svn: 313464
* [llvm-readobj] - Teach tool to report error if some section is in multiple ↵George Rimar2017-09-161-2/+38
| | | | | | | | | | | | COMDAT groups at once. readelf tool reports an error when output contains the same section in multiple COMDAT groups. That can be useful. Path teaches llvm-readobj to do the same. Differential revision: https://reviews.llvm.org/D37567 llvm-svn: 313459
* [llvm-cov] Fix a bot failure due to r313417Vedant Kumar2017-09-151-3/+3
| | | | | | | | | There's a type mismatch issue with the arguments to a call to std::min introduced in r313417. http://lab.llvm.org:8011/builders/clang-cmake-thumbv7-a15/builds/11174 llvm-svn: 313422
* llvm-dwarfdump: Add support for -debug-info=<offset>.Adrian Prantl2017-09-151-10/+77
| | | | | | | | | This is the first of many commits that enable selectively dumping just one record from the debug info. This reapplies r313412 with some extra qualification to appease GCC and MSVC. llvm-svn: 313419
* [llvm-cov] Avoid over-counting covered lines and regionsVedant Kumar2017-09-152-8/+29
| | | | | | | | | | | | | | | | * Fix an unsigned integer overflow in the logic that computes the number of uncovered lines in a function. * When aggregating region and line coverage summaries, take into account that different instantiations may have a different number of regions. The new test case provides test coverage for both bugs. I also verified this change by preparing a coverage report for a stage2 build of llc -- the new assertions should detect any outstanding over-counting bugs. Fixes PR34613. llvm-svn: 313417
* [llvm-cov] Make some summary info fields private. NFC.Vedant Kumar2017-09-155-51/+74
| | | | | | | | There's a bug in the way the line and region summary objects are merged. It would have been less likely to occur if those objects kept some data private. llvm-svn: 313416
* [llvm-cov] Remove a redundant field. NFC.Vedant Kumar2017-09-154-22/+15
| | | | | | | | | | The "NotCovered" fields in the region and line summary structs are redundant. We should remove them to make the code clearer. As a follow-up, the "NotCovered" entries should be removed from the reports as well. llvm-svn: 313415
* Revert "llvm-dwarfdump: Add support for -debug-info=<offset>."Adrian Prantl2017-09-151-73/+10
| | | | | | This reverts commit r313412 because of a g++ incompatibility. llvm-svn: 313413
* llvm-dwarfdump: Add support for -debug-info=<offset>.Adrian Prantl2017-09-151-10/+73
| | | | | | | This is the first of many commits that enable selectively dumping just one record from the debug info. llvm-svn: 313412
* Test patch to check my commit accessJake Ehrlich2017-09-151-1/+1
| | | | llvm-svn: 313404
* This patch fixes https://bugs.llvm.org/show_bug.cgi?id=32352 Vivek Pandya2017-09-155-101/+128
| | | | | | | | | | | It enables OptimizationRemarkEmitter::allowExtraAnalysis and MachineOptimizationRemarkEmitter::allowExtraAnalysis to return true not only for -fsave-optimization-record but when specific remarks are requested with command line options. The diagnostic handler used to be callback now this patch adds a class DiagnosticHandler. It has virtual method to provide custom diagnostic handler and methods to control which particular remarks are enabled. However LLVM-C API users can still provide callback function for diagnostic handler. llvm-svn: 313390
* This reverts r313381Vivek Pandya2017-09-155-128/+101
| | | | llvm-svn: 313387
* This patch fixes https://bugs.llvm.org/show_bug.cgi?id=32352 Vivek Pandya2017-09-155-101/+128
| | | | | | | | | | | It enables OptimizationRemarkEmitter::allowExtraAnalysis and MachineOptimizationRemarkEmitter::allowExtraAnalysis to return true not only for -fsave-optimization-record but when specific remarks are requested with command line options. The diagnostic handler used to be callback now this patch adds a class DiagnosticHandler. It has virtual method to provide custom diagnostic handler and methods to control which particular remarks are enabled. However LLVM-C API users can still provide callback function for diagnostic handler. llvm-svn: 313382
* llvm-dwarfdump: support dumping static archives.Adrian Prantl2017-09-141-7/+37
| | | | llvm-svn: 313272
* Recommit r313234 "[llvm-readobj] - Refactor printGroupSections methods."George Rimar2017-09-141-55/+73
| | | | | | | | | | | | | | | | With fix in formatting for GNU style output. Original commit message: This refactors GNUStyle<ELFT>::printGroupSections and LLVMStyle<ELFT>::printGroupSections to split out all duplicated code. After the change these methods just prints the data provided by introduced getGroups in a corresponding LLVM/GNU format. Differential revision: https://reviews.llvm.org/D37621 llvm-svn: 313236
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