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113 Commits

Author SHA1 Message Date
Benjamin Kramer
06f11acde8 libDebugInfo depends on libObject nowadays. 
llvm-svn: 181510
 2013-05-09 13:48:26 +00:00
Eric Christopher
3cc2bddd41 Hoist boundary condition out of loop header. 
llvm-svn: 181248
 2013-05-06 21:19:44 +00:00
Eric Christopher
eb2243ca76 Untabify. 
llvm-svn: 181247
 2013-05-06 21:19:41 +00:00
Eric Christopher
4cbb105dfc Don't emit .dwo sections unless they exist. 
llvm-svn: 181224
 2013-05-06 17:50:42 +00:00
Rafael Espindola
9541db893e Clarify getRelocationAddress x getRelocationOffset a bit. 
getRelocationAddress is for dynamic libraries and executables,
getRelocationOffset for relocatable objects.

Mark the getRelocationAddress of COFF and MachO as not implemented yet. Add a
test of ELF's. llvm-readobj -r now prints the same values as readelf -r.

llvm-svn: 180259
 2013-04-25 12:28:45 +00:00
Alexey Samsonov
cb820bd0a4 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.

llvm-svn: 180088
 2013-04-23 10:17:34 +00:00
Eric Christopher
65e2f0c4cb Remove variable store that is never read. 
llvm-svn: 180013
 2013-04-22 13:46:33 +00:00
Alexey Samsonov
7abfd15675 Use StringSwitch instead of long chain of if-else. No functionality change. 
llvm-svn: 179682
 2013-04-17 14:27:04 +00:00
Alexey Samsonov
542f535116 Create a stub for DWARF parser unittests 
Moves one DWARF-specific header to include/llvm/DebugInfo from lib/.
Add a short unittest for r179095.

llvm-svn: 179678
 2013-04-17 08:29:02 +00:00
Benjamin Kramer
cf2731d0e0 Rename the C function to create a SLPVectorizerPass to something sane and expose it in the header file. 
llvm-svn: 179272
 2013-04-11 11:36:36 +00:00
Alexey Samsonov
2d1fae1f75 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. 
llvm-svn: 179095
 2013-04-09 14:09:42 +00:00
Alexey Samsonov
5a62adc696 DWARF parser: remove duplicated code and fix code style in DIE extractors. 
llvm-svn: 179023
 2013-04-08 14:37:16 +00:00
Eric Christopher
546e1942f2 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.

llvm-svn: 178969
 2013-04-07 03:43:09 +00:00
Matt Arsenault
a80a8422d5 Fix missing std::. Not sure how this compiles for anyone else. 
llvm-svn: 177620
 2013-03-21 00:57:21 +00:00
Rafael Espindola
c82c27dd5a xlC doesn't like Header being both a type and a member variable. Rename the 
member variable.

Patch by Kai <kai@redstar.de>

llvm-svn: 177575
 2013-03-20 21:03:41 +00:00
Eli Bendersky
7859287ea6 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.

llvm-svn: 175847
 2013-02-22 00:50:48 +00:00
Eli Bendersky
1185958e53 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.

llvm-svn: 175820
 2013-02-21 22:53:19 +00:00
Benjamin Kramer
e11f88e804 Make helpers static. Add missing include so LLVMInitializeObjCARCOpts gets C linkage. 
llvm-svn: 175264
 2013-02-15 12:30:38 +00:00
Krzysztof Parzyszek
de39fad3d2 Add support for the pubnames section to llvm-dwarfdump. 
llvm-svn: 174976
 2013-02-12 16:20:28 +00:00
David Tweed
0d0db378f4 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.

llvm-svn: 174717
 2013-02-08 16:35:10 +00:00
NAKAMURA Takumi
2ea96df1f0 FDE::dumpHeader(): Forgot to fix one more formatting, ... take two! 
Excuse me, I could not test it locally.

llvm-svn: 174614
 2013-02-07 14:54:42 +00:00
NAKAMURA Takumi
d33774373d FDE::dumpHeader(): Forgot to fix one more formatting. It affected bigendian hosts. 
llvm-svn: 174602
 2013-02-07 10:57:42 +00:00
NAKAMURA Takumi
b493210348 DWARFDebugFrame.cpp: Fix formatting on i686 hosts. 
FIXME: Are they really truncated to i32 from i64 unconditionally?
llvm-svn: 174574
 2013-02-07 02:02:27 +00:00
Eli Bendersky
31f7dcd2e4 Add some comments to new frame entries 
llvm-svn: 174515
 2013-02-06 16:20:31 +00:00
Eli Bendersky
935df72ee3 Failing builds because a private class member is not being used after 
initialization is one of the reasons I consider -werror to be shoddy.

llvm-svn: 174485
 2013-02-06 05:37:46 +00:00
Eli Bendersky
bd977c5c69 Add virtual desctructor to FrameEntry to avoid error on delete-non-virtual-dtor 
llvm-svn: 174483
 2013-02-06 03:08:02 +00:00
Eli Bendersky
7eeb3473bf Fix some formatting & add comments, following Eric's review 
llvm-svn: 174473
 2013-02-06 00:20:38 +00:00
Eli Bendersky
b5ee34671c Add missing file to CMake list 
llvm-svn: 174465
 2013-02-05 23:37:18 +00:00
Eli Bendersky
0802d28eff Initial support for DWARF CFI parsing and dumping in LLVM 
llvm-svn: 174463
 2013-02-05 23:30:58 +00:00
NAKAMURA Takumi
731f502bbd DWARFDebugLine.cpp: Fix true path. Did you forget "return true" here? 
llvm-svn: 173552
 2013-01-26 01:45:06 +00:00
Andrew Kaylor
2677c75e5d 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. 
llvm-svn: 173537
 2013-01-26 00:28:05 +00:00
Nadav Rotem
78ccedd76a Fix a warning in the new DWARFheader. Add a new line at the end of the file. 
llvm-svn: 173518
 2013-01-25 22:57:05 +00:00
Andrew Kaylor
c9fa0590eb 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. 
llvm-svn: 173517
 2013-01-25 22:50:58 +00:00
Eli Bendersky
1b58747212 Add command-line flags for DWARF dumping. 
Flags for dumping specific DWARF sections added in lib/DebugInfo and
llvm-dwarfdump.

llvm-svn: 173480
 2013-01-25 20:26:43 +00:00
Eric Christopher
bd3c66b31a 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.

llvm-svn: 172699
 2013-01-17 03:00:04 +00:00
Eric Christopher
7c06c5fb2b 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.

llvm-svn: 172698
 2013-01-17 02:59:59 +00:00
Eric Christopher
a159b6c731 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.

llvm-svn: 172578
 2013-01-15 23:56:56 +00:00
NAKAMURA Takumi
3f5b60a9a0 [Object, DebugInfo] Make DWARFContext BE-aware. 
test/DebugInfo/member-pointers.ll would not fail in targetting BE any more.

llvm-svn: 171943
 2013-01-09 02:45:05 +00:00
Eric Christopher
4b9394acd5 Whitespace and 80-col. 
llvm-svn: 171804
 2013-01-07 22:40:48 +00:00
Eric Christopher
ba738518f0 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.

llvm-svn: 171779
 2013-01-07 19:32:41 +00:00
Eric Christopher
e8b74437f7 Update comment. 
llvm-svn: 171689
 2013-01-07 03:27:58 +00:00
Eric Christopher
d593f65fae Add a space to the end of the line so we don't get "itsbounds" in output. 
llvm-svn: 171487
 2013-01-04 18:30:36 +00:00
Eric Christopher
03fdb543d9 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).

llvm-svn: 171428
 2013-01-02 23:52:13 +00:00
Eric Christopher
c6fa1e95a2 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.

llvm-svn: 171126
 2012-12-27 01:07:07 +00:00
Rafael Espindola
cb6155ac8d 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.

llvm-svn: 170839
 2012-12-21 04:08:03 +00:00
Bill Wendling
56d9c4b832 Rename the 'Attributes' class to 'Attribute'. It's going to represent a single attribute in the future. 
llvm-svn: 170502
 2012-12-19 07:18:57 +00:00
Chandler Carruth
a98c778194 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. =]

llvm-svn: 169224
 2012-12-04 07:12:27 +00:00
Eric Christopher
178793931e The section is .debug_line. 
llvm-svn: 168666
 2012-11-27 01:40:36 +00:00
Eric Christopher
5843894e1e Add some basic support for the fission addr forms to DebugInfo. 
llvm-svn: 168223
 2012-11-16 23:44:11 +00:00
Alexey Samsonov
3f02d70a5b [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. 
llvm-svn: 168144
 2012-11-16 08:36:25 +00:00