summaryrefslogtreecommitdiffstats
path: root/llvm/lib/DebugInfo/DWARF/DWARFContext.cpp
Commit message (Collapse)AuthorAgeFilesLines
* Revert "Improve DWARFDebugFrame::parse to also handle __eh_frame."Pete Cooper2015-12-181-18/+2
| | | | | | | | 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 Cooper2015-12-181-2/+18
| | | | | | | | | | | | | | | 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
* [llvm-dwp] Emit a rather fictional debug_cu_indexDavid Blaikie2015-12-021-12/+4
| | | | | | | | | | | | | | This is very rudimentary support for debug_cu_index, but it is enough to allow llvm-dwarfdump to find the offsets for contributions and correctly dump debug_info. It will need to actually find the real signature of the unit and build the real hash table with the right number of buckets, as per the DWP specification. It will also need to be expanded to cover the tu_index as well. llvm-svn: 254489
* Replace dyn_cast with isa in places that weren't using the returned value ↵Craig Topper2015-11-181-1/+1
| | | | | | for more than a boolean check. NFC. llvm-svn: 253441
* dwarfdump: Reference the appropriate line table segment when dumping dwp filesDavid Blaikie2015-11-171-1/+4
| | | | | | Also improves .dwo type unit dumping which didn't handle this either. llvm-svn: 253377
* dwarfdump: Use the index to find the right abbrev offset in DWP filesDavid Blaikie2015-11-171-0/+22
| | | | llvm-svn: 253277
* dwarfdump: Added macro support to llvm-dwarfdump tool.Amjad Aboud2015-11-121-0/+16
| | | | | | | | Added "macro" option to "-debug-dump" flag, which trigger parsing and dumping of the ".debug_macinfo" section. Differential Revision: http://reviews.llvm.org/D14294 llvm-svn: 252866
* dwarfdump: Add error checking to fix the buildbots/correctnessDavid Blaikie2015-11-121-4/+4
| | | | llvm-svn: 252845
* dwarfdump: DWP type unit index dumping skeletonDavid Blaikie2015-11-111-0/+10
| | | | llvm-svn: 252786
* Format my previous commitDavid Blaikie2015-11-111-1/+2
| | | | llvm-svn: 252782
* dwarfdump: First piece of support for DWP dumpingDavid Blaikie2015-11-111-0/+10
| | | | | | Just a tiny piece of index dumping - the header in this instance. llvm-svn: 252781
* [dwarfdump] Do not apply relocations in mach-o files if there is no ↵Frederic Riss2015-08-231-0/+8
| | | | | | | | | | | | | | LoadedObjectInfo. Not only do we not need to do anything to read correct values from the object files, but the current logic actually wrongly applies twice the section base address when there is no LoadedObjectInfo passed to the DWARFContext creation (as the added test shows). Simply do not apply any relocations on the mach-o debug info if there is no load offset to apply. llvm-svn: 245807
* Fix some comment typos.Benjamin Kramer2015-08-081-2/+2
| | | | llvm-svn: 244402
* Convert getSymbolSection to return an ErrorOr.Rafael Espindola2015-08-071-1/+1
| | | | | | | This function can actually fail since the symbol contains an index to the section and that can be invalid. llvm-svn: 244375
* [dwarfdump] Ignore scattered relocations for mach-o.Frederic Riss2015-07-311-3/+9
| | | | | | | | | | | | | | When encountering a scattered relocation, the code would assert trying to access an unexisting section. I couldn't find a way to expose the result of the processing of a scattered reloc, and I'm really unsure what the right thing to do is. This patch just skips them during the processing in DwarfContext and adds a mach-o file to the tests that exposed the asserting behavior. (This is a new failure that is being exposed by Rafael's recent work on the libObject interfaces. I think the wrong behavior has always happened, but now it's asserting) llvm-svn: 243778
* [RuntimeDyld] Make LoadedObjectInfo::getLoadedSectionAddress take a SectionRefLang Hames2015-07-281-4/+7
| | | | | | rather than a string section name. llvm-svn: 243456
* Return ErrorOr from getSymbolAddress.Rafael Espindola2015-07-031-1/+7
| | | | | | | It can fail trying to get the section on ELF and COFF. This makes sure the error is handled. llvm-svn: 241366
* Don't return error_code from a function that doesn't fail.Rafael Espindola2015-06-301-4/+1
| | | | llvm-svn: 241042
* Don't return error_code from a function that doesn't fail.Rafael Espindola2015-06-301-2/+1
| | | | llvm-svn: 241033
* Don't return error_code from function that never fails.Rafael Espindola2015-06-291-2/+1
| | | | llvm-svn: 241021
* Make getRelocationSection MachO only.Rafael Espindola2015-06-191-2/+7
| | | | | | | | | | | | | | There are 3 types of relocations on MachO * Scattered * Section based * Symbol based On ELF and COFF relocations are symbol based. We were in the strange situation that we abstracted over two of them. This makes section based relocations MachO only. llvm-svn: 240149
* Replace push_back(Constructor(foo)) with emplace_back(foo) for non-trivial typesBenjamin Kramer2015-05-291-2/+2
| | | | | | | | | | | | | | | | | | | | If the type isn't trivially moveable emplace can skip a potentially expensive move. It also saves a couple of characters. Call sites were found with the ASTMatcher + some semi-automated cleanup. memberCallExpr( argumentCountIs(1), callee(methodDecl(hasName("push_back"))), on(hasType(recordDecl(has(namedDecl(hasName("emplace_back")))))), hasArgument(0, bindTemporaryExpr( hasType(recordDecl(hasNonTrivialDestructor())), has(constructExpr()))), unless(isInTemplateInstantiation())) No functional change intended. llvm-svn: 238602
* Make it easier to use DwarfContext with MCJITKeno Fischer2015-05-211-3/+41
| | | | | | | | | | | | | | | | | | | | | | | | | Summary: This supersedes http://reviews.llvm.org/D4010, hopefully properly dealing with the JIT case and also adds an actual test case. DwarfContext was basically already usable for the JIT (and back when we were overwriting ELF files it actually worked out of the box by accident), but in order to resolve relocations correctly it needs to know the load address of the section. Rather than trying to get this out of the ObjectFile or requiring the user to create a new ObjectFile just to get some debug info, this adds the capability to pass in that info directly. As part of this I separated out part of the LoadedObjectInfo struct from RuntimeDyld, since it is now required at a higher layer. Reviewers: lhames, echristo Reviewed By: echristo Subscribers: vtjnash, friss, rafael, llvm-commits Differential Revision: http://reviews.llvm.org/D6961 llvm-svn: 237961
* [DWARF parser] Make DWARF parser more robust against missing compile/type units.Alexey Samsonov2015-05-191-8/+11
| | | | | | | | | | | | | | | | | | DWARF standard claims that each compilation/type unit header in .debug_info/.debug_types section must be followed by corresponding compile/type unit DIE, possibly with its children. Two situations are possible: * compile/type unit DIE is missing because DWARF producer failed to emit it. * DWARF parser failed to parse unit DIE correctly, for instance if it contains some unsupported attributes (see r237721, for instance). In either of these cases, the library, and the tools that use it (llvm-dwarfdump, llvm-symbolizer) should not crash. Insert appropriate checks to protect against this. llvm-svn: 237733
* Move DebugInfo to DebugInfo/DWARF.Zachary Turner2015-01-301-0/+696
In preparation for adding PDB support to LLVM, this moves the DWARF parsing code to its own subdirectory under DebugInfo, and renames LLVMDebugInfo to LLVMDebugInfoDWARF. This is purely a mechanical / build system change. Differential Revision: http://reviews.llvm.org/D7269 Reviewed by: Eric Christopher llvm-svn: 227586
OpenPOWER on IntegriCloud