8 Commits

Author SHA1 Message Date
Paul Robinson
04a387aa0f [DWARFv5] Put the DWO ID in its place.
In DWARF v5, the DWO ID is in the (split/skeleton) CU header, not an
attribute on the CU DIE.

This changes the size of those headers, so use the parsed size whenever
we have one, for simplicitly.

Differential Revision: https://reviews.llvm.org/D47158

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@333004 91177308-0d34-0410-b5e6-96231b3b80d8
2018-05-22 17:27:31 +00:00
Adrian Prantl
ae599aa1b4 llvm-dwarfdump: implement --recurse-depth=<N>
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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@313778 91177308-0d34-0410-b5e6-96231b3b80d8
2017-09-20 17:44:00 +00:00
Adrian Prantl
dab0766783 Introduce -brief command line option to llvm-dwarfdump
This patch introduces a new command line option, called brief, to
llvm-dwarfdump.  When -brief is used, the attribute forms for the
.debug_info section will not be emitted to output.

Patch by Spyridoula Gravani!

rdar://problem/21474365
Differential Revision: https://reviews.llvm.org/D33867

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304844 91177308-0d34-0410-b5e6-96231b3b80d8
2017-06-06 23:28:45 +00:00
Paul Robinson
77bf4a4c38 [DWARFv5] Emit new unit header format.
Requesting DWARF v5 will now get you the new compile-unit and
type-unit headers.  llvm-dwarfdump will also recognize them.

Differential Revision: http://reviews.llvm.org/D30206


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@296514 91177308-0d34-0410-b5e6-96231b3b80d8
2017-02-28 20:24:55 +00:00
Greg Clayton
adb170fc81 Make a DWARFDIE class that can help avoid using the wrong DWARFUnit when extracting attributes
Many places pass around a DWARFDebugInfoEntryMinimal and a DWARFUnit. It is easy to get things wrong by using the wrong DWARFUnit with a DWARFDebugInfoEntryMinimal. This patch creates a DWARFDie class that contains the DWARFUnit and DWARFDebugInfoEntryMinimal objects so that they can't get out of sync. All attribute extraction has been moved out of DWARFDebugInfoEntryMinimal and into DWARFDie. DWARFDebugInfoEntryMinimal was also renamed to DWARFDebugInfoEntry.

DWARFDie objects are temporary objects that are used by clients and contain 2 pointers that you always need to have anyway. Keeping them grouped will avoid errors and simplify many of the attribute extracting APIs by not having to pass in a DWARFUnit.

Differential Revision: https://reviews.llvm.org/D27634


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@289565 91177308-0d34-0410-b5e6-96231b3b80d8
2016-12-13 18:25:19 +00:00
Eugene Zelenko
a9f7e82841 [DebugInfo] Fix some Clang-tidy modernize-use-default and Include What You Use warnings; other minor fixes (NFC).
Per Zachary Turner and Mehdi Amini suggestion to make only post-commit reviews.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@287838 91177308-0d34-0410-b5e6-96231b3b80d8
2016-11-23 23:16:32 +00:00
Alexey Samsonov
05f725eb67 [DWARF parser] Make DWARF parser more robust against missing compile/type units.
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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237733 91177308-0d34-0410-b5e6-96231b3b80d8
2015-05-19 21:54:32 +00:00
Zachary Turner
50418a0ac4 Move DebugInfo to DebugInfo/DWARF.
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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@227586 91177308-0d34-0410-b5e6-96231b3b80d8
2015-01-30 18:07:45 +00:00