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108 Commits

Author SHA1 Message Date
Alexey Samsonov
005159e924 Use zlib to uncompress debug sections in DWARF parser. 
This makes llvm-dwarfdump and llvm-symbolizer understand
debug info sections compressed by ld.gold linker.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180088 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-23 10:17:34 +00:00
Eric Christopher
f38bc31b0d Remove variable store that is never read. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180013 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-22 13:46:33 +00:00
Alexey Samsonov
784baa6f44 Use StringSwitch instead of long chain of if-else. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179682 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-17 14:27:04 +00:00
Alexey Samsonov
cd61455798 Create a stub for DWARF parser unittests 
Moves one DWARF-specific header to include/llvm/DebugInfo from lib/.
Add a short unittest for r179095.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179678 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-17 08:29:02 +00:00
Benjamin Kramer
acc897a5e1 Rename the C function to create a SLPVectorizerPass to something sane and expose it in the header file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179272 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-11 11:36:36 +00:00
Alexey Samsonov
32a3e78304 DWARF parser: Fix DWARF-2/3 incompatibility: size of DW_FORM_ref_addr is the same as DW_FORM_addr in DWARF2, and is 4/8 bytes on 32/64-bit DWARF starting from DWARF3. Adding a test for this is a huge pain - generating and uploading pre-built binary with DWARF3 debug info is way too ugly, and writing fine-grained unittests for DebugInfo is impossible, as it doesn't expose any headers in include/llvm. That said, I'm going to choose the second approach and submit the patch exposing DebugInfo headers for review soon enough. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179095 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-09 14:09:42 +00:00
Alexey Samsonov
d6b89ef0fa DWARF parser: remove duplicated code and fix code style in DIE extractors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179023 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-08 14:37:16 +00:00
Eric Christopher
9a9e73b47d DW_FORM_sec_offset should be a relocation on platforms that use 
a relocation across sections. Do this for DW_AT_stmt list in the
skeleton CU and check the relocations in the debug_info section.

Add a FIXME for multiple CUs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178969 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-07 03:43:09 +00:00
Matt Arsenault
26c417bb58 Fix missing std::. Not sure how this compiles for anyone else. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177620 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-03-21 00:57:21 +00:00
Rafael Espindola
7b1bea3ccb xlC doesn't like Header being both a type and a member variable. Rename the 
member variable.

Patch by Kai <kai@redstar.de>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177575 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-03-20 21:03:41 +00:00
Eli Bendersky
46e0d1d58c Code cleanup: pass Offset by pointer to parseInstruction to more explicitly 
convey that it's a INOUT argument.
Also, if parsing of entry instructions fails, don't push the entry.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175847 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-02-22 00:50:48 +00:00
Eli Bendersky
7bf3d6a043 Previously, parsing capability of the .debug_frame section was added 
to lib/DebugInfo, with dumping in llvm-dwarfdump. This patch adds
initial ability to parse and dump CFA instructions contained in
entries.

To keep it manageable, the patch omits some more advanced capabilities
(accounted in TODOs):

* Parsing of instructions with BLOCK arguments (expression lists)
* Dumping of actual instruction arguments (currently only names are
dumped). This is quite tricky since the dumper has to effectively
"interpret" the instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175820 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-02-21 22:53:19 +00:00
Benjamin Kramer
74b3c8da48 Make helpers static. Add missing include so LLVMInitializeObjCARCOpts gets C linkage. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175264 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-02-15 12:30:38 +00:00
Krzysztof Parzyszek
e38825f490 Add support for the pubnames section to llvm-dwarfdump. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174976 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-02-12 16:20:28 +00:00
David Tweed
0b821eff4c The patch to fix some issues in r174543 fixed the lines failing the test, but missed a couple 
of lines which weren't being explicitly looked at and were printing incorrect results. These
values clearly must lie within 32 bits, so the casts are definitely safe.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174717 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-02-08 16:35:10 +00:00
NAKAMURA Takumi
d9a8d43ed3 FDE::dumpHeader(): Forgot to fix one more formatting, ... take two! 
Excuse me, I could not test it locally.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174614 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-02-07 14:54:42 +00:00
NAKAMURA Takumi
8ff0631967 FDE::dumpHeader(): Forgot to fix one more formatting. It affected bigendian hosts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174602 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-02-07 10:57:42 +00:00
NAKAMURA Takumi
90e01ac0ea DWARFDebugFrame.cpp: Fix formatting on i686 hosts. 
FIXME: Are they really truncated to i32 from i64 unconditionally?

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174574 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-02-07 02:02:27 +00:00
Eli Bendersky
2e402d5b5f Add some comments to new frame entries 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174515 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-02-06 16:20:31 +00:00
Eli Bendersky
b2ac7c09b1 Failing builds because a private class member is not being used after 
initialization is one of the reasons I consider -werror to be shoddy.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174485 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-02-06 05:37:46 +00:00
Eli Bendersky
8a0329e6ff Add virtual desctructor to FrameEntry to avoid error on delete-non-virtual-dtor 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174483 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-02-06 03:08:02 +00:00
Eli Bendersky
ba42625074 Fix some formatting & add comments, following Eric's review 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174473 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-02-06 00:20:38 +00:00
Eli Bendersky
7743232775 Add missing file to CMake list 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174465 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-02-05 23:37:18 +00:00
Eli Bendersky
60bdc5b16e Initial support for DWARF CFI parsing and dumping in LLVM 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174463 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-02-05 23:30:58 +00:00
NAKAMURA Takumi
8090a24bd6 DWARFDebugLine.cpp: Fix true path. Did you forget "return true" here? 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173552 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-26 01:45:06 +00:00
Andrew Kaylor
e27a787760 Add DIContext::getLineInfoForAddressRange() function and test. This function allows a caller to obtain a table of line information for a function using the function's address and size. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173537 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-26 00:28:05 +00:00
Nadav Rotem
f777d09f37 Fix a warning in the new DWARFheader. Add a new line at the end of the file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173518 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-25 22:57:05 +00:00
Andrew Kaylor
ee7c0d2f93 Add support for applying in-memory relocations to the .debug_line section and, in the case of ELF files, using symbol addresses when available for relocations to the .debug_info section. Also extending the llvm-rtdyld tool to add the ability to dump line number information for testing purposes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173517 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-25 22:50:58 +00:00
Eli Bendersky
939a4e8b69 Add command-line flags for DWARF dumping. 
Flags for dumping specific DWARF sections added in lib/DebugInfo and
llvm-dwarfdump.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173480 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-25 20:26:43 +00:00
Eric Christopher
446b88fb81 Fix the assembly and dissassembly of DW_FORM_sec_offset. Found this by 
changing both the string of the dwo_name to be correct and the type of
the statement list.

Testcases all around.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172699 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-17 03:00:04 +00:00
Eric Christopher
d96c72a14c Add the DW_AT_GNU_addr_base for the skeleton cu. Add support for 
emitting the dwarf32 version of DW_FORM_sec_offset and correct
disassembler support.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172698 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-17 02:59:59 +00:00
Eric Christopher
72f7bfbf0e Split address information for DWARF5 split dwarf proposal. This involves 
using the DW_FORM_GNU_addr_index and a separate .debug_addr section which
stays in the executable and is fully linked.

Sneak in two other small changes:

a) Print out the debug_str_offsets.dwo section.
b) Change form we're expecting the entries in the debug_str_offsets.dwo
   section to take from ULEB128 to U32.

Add tests for all of this in the fission-cu.ll test.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172578 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-15 23:56:56 +00:00
NAKAMURA Takumi
2af949dddd [Object, DebugInfo] Make DWARFContext BE-aware. 
test/DebugInfo/member-pointers.ll would not fail in targetting BE any more.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171943 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-09 02:45:05 +00:00
Eric Christopher
e7285c7279 Whitespace and 80-col. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171804 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-07 22:40:48 +00:00
Eric Christopher
dd8e9f395e Add support for separating strings for the split debug info DWARF5 
proposal. This leaves the strings in the skeleton die as strp,
but in all dwo files they're accessed now via DW_FORM_GNU_str_index.

Add support for dumping these sections and modify the fission-cu.ll
testcase to have the correct strings and form. Fix a small bug
in the fixed form sizes routine that involved out of array accesses
for the table and add a FIXME in the extractFast routine to fix
this up.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171779 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-07 19:32:41 +00:00
Eric Christopher
e5ef305be2 Update comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171689 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-07 03:27:58 +00:00
Eric Christopher
642469f582 Add a space to the end of the line so we don't get "itsbounds" in output. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171487 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-04 18:30:36 +00:00
Eric Christopher
82de10a34c Extend the dumping infrastructure to deal with additional 
sections for debug info. These are some of the dwo sections from the
DWARF5 split debug info proposal. Update the fission-cu.ll testcase
to show what we should be able to dump more of now.

Work in progress: Ultimately the relocations will be gone for the
dwo section and the strings will be a different form (as well as
the rest of the sections will be included).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171428 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-02 23:52:13 +00:00
Eric Christopher
32b3768ec1 Right now all of the relocations are 32-bit dwarf, and the relocation 
information doesn't return an addend for Rel relocations. Go ahead
and use this information to fix relocation handling inside dwarfdump
for 32-bit ELF REL.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171126 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-27 01:07:07 +00:00
Rafael Espindola
b66fc293a2 Don't skip __DWARF, 
Now that we don't merge section and segment names, we don't need to skip the
segment name to get to the section name.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170839 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-21 04:08:03 +00:00
Bill Wendling
034b94b170 Rename the 'Attributes' class to 'Attribute'. It's going to represent a single attribute in the future. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170502 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-19 07:18:57 +00:00
Chandler Carruth
a1514e24cc Sort includes for all of the .h files under the 'lib' tree. These were 
missed in the first pass because the script didn't yet handle include
guards.

Note that the script is now able to handle all of these headers without
manual edits. =]

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169224 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-04 07:12:27 +00:00
Eric Christopher
eb6363adf0 The section is .debug_line. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168666 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-27 01:40:36 +00:00
Eric Christopher
205e60b223 Add some basic support for the fission addr forms to DebugInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168223 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-16 23:44:11 +00:00
Alexey Samsonov
63a450a313 [DebugInfo] Generate address ranges for compile units even if .debug_aranges is present: it is often the case that .debug_aranges section contains ranges only for a small subset of compile units. Test cases will be added in separate commits. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168144 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-16 08:36:25 +00:00
Eric Christopher
d1726a4580 Rewrite DIContext interface to take an object. Update all callers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167757 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-12 21:40:38 +00:00
Alexey Samsonov
4c0ae9066f Fixup for r167558: Store raw pointer (instead of reference) to RelocMap in DIContext. This is needed to prevent crashes because of dangling reference if the clients don't provide RelocMap to DIContext constructor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167728 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-12 14:25:36 +00:00
Eric Christopher
806e03d238 Add a relocation visitor to lib object. This works via caching relocated 
values in a map that can be passed to consumers. Add a testcase that
ensures this works for llvm-dwarfdump.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167558 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-07 23:22:07 +00:00
Eric Christopher
203e6f60a8 Reformat and 80-column this. It's not strictly conforming 
yet, but it's better.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167053 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-30 21:36:43 +00:00
Eric Christopher
e9403c1fd6 Use a typedef to reduce some typing and reformat code accordingly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166077 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-16 23:46:25 +00:00