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1928 Commits

Author SHA1 Message Date
David Majnemer
198e3adaf6 DebugInfo: Do not use the DWARF Version for the .debug_pubnames or .debug_pubtypes version field 
Summary:
LLVM would generate DWARF with version 3 in the .debug_pubname and
.debug_pubtypes version fields.  This would lead SGI dwarfdump to fail
parsing the DWARF with (in the instance of .debug_pubnames) would exit
with:
dwarfdump ERROR:  dwarf_get_globals: DW_DLE_PUBNAMES_VERSION_ERROR (123)

This fixes PR16950.

Reviewers: echristo, dblaikie

Reviewed By: echristo

CC: cfe-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D1454

llvm-svn: 188869
 2013-08-21 06:13:34 +00:00
Eric Christopher
2cc884bd3b Use less verbose code and update comments. 
llvm-svn: 188711
 2013-08-19 21:41:38 +00:00
Eric Christopher
fe60d7311c Turn on pubnames by default on linux. 
Until gdb supports the new accelerator tables we should add the
pubnames section so that gdb_index can be generated from gold
at link time. On darwin we already emit the accelerator tables
and so don't need to worry about pubnames.

llvm-svn: 188708
 2013-08-19 21:07:38 +00:00
David Blaikie
f4e6a35961 DebugInfo: don't emit zero-length names for parameters 
We check this in many/all other cases, just missed this one it seems.
Perhaps it'd be worth unifying this so we never emit zero-length
DW_AT_names.

llvm-svn: 188649
 2013-08-19 03:34:03 +00:00
David Blaikie
21f02176eb DebugInfo: Allow the addition of other (such as static data) members to a record type after construction 
Plus a type cleanup & minor fix to enumerate members of declarations.

llvm-svn: 188577
 2013-08-16 20:42:14 +00:00
Bill Wendling
4aae224206 Make a few more things const. 
llvm-svn: 188484
 2013-08-15 20:25:44 +00:00
Bill Wendling
6db4218605 Use a reference instead of making an unnecessary copy. Also use 'const'. 
llvm-svn: 188483
 2013-08-15 20:21:49 +00:00
David Blaikie
d801507700 DebugInfo: Prefer references over pointers, pass by const reference for a type that will grow in the future 
llvm-svn: 188422
 2013-08-14 22:23:05 +00:00
Carlo Kok
1b6e9cea0f Output DW_AT_stmt_list dwarf debug info as DW_FORM_sec_offset instead of DW_FORM_data4 as it is a section offset (fixes the coff/dwarf debug info statement locations) 
llvm-svn: 188297
 2013-08-13 17:46:57 +00:00
Carlo Kok
d10cf40934 For COFF only: dwarf debug info output a label reference as a section relative item only when it's one of dw_from strp, sec_offset, ref_addr or op_call_ref instead of going by size. 
llvm-svn: 188296
 2013-08-13 17:45:53 +00:00
Evgeniy Stepanov
7a9f4fb383 Pass DIEHash::collectAttributes output argument by-pointer instead of by-value. 
Before this, collectAttributes() was operating on a local object.

llvm-svn: 188254
 2013-08-13 07:57:01 +00:00
Eric Christopher
aae98d918e Add the start of DIE hashing for DWARF4 type units and split dwarf 
CUs.

Currently only hashes the name of CUs and the names of any children,
but it's an obvious first step to show the framework. The testcase
should continue to be correct, however, as it's an empty TU.

llvm-svn: 188243
 2013-08-13 01:21:55 +00:00
Eric Christopher
302cbd1330 Reflow comment. 
llvm-svn: 188233
 2013-08-12 23:59:24 +00:00
Eric Christopher
d5768dc3b1 Remove empty constructor. 
llvm-svn: 188232
 2013-08-12 23:59:18 +00:00
Eric Christopher
6df5d15a24 Move the addition of the dwo_id as late as possible after everything 
has been finalized except for sizes and offsets. Update test accordingly.

llvm-svn: 188199
 2013-08-12 20:27:48 +00:00
Eric Christopher
e0514008de Update the CMake build files. 
llvm-svn: 188030
 2013-08-08 23:51:31 +00:00
Eric Christopher
81863ce2b7 Move hash computation code into a separate class and file. 
No functional change intended.

llvm-svn: 188028
 2013-08-08 23:45:55 +00:00
Eric Christopher
49a1db3fce For DW_TAG_template_type_parameter the actual passed in type could 
be void and therefore not have a type entry. Only add the type if
it is non-void and provide a testcase.

llvm-svn: 187966
 2013-08-08 08:09:43 +00:00
Eric Christopher
19fba84128 The conversion to bool is fine here, no need to check isType. 
llvm-svn: 187964
 2013-08-08 07:40:42 +00:00
Eric Christopher
e6639b8535 Make sure that if we're going to attempt to add a type to a DIE that 
the type exists.

Fix up cases where we weren't checking for optional types and add
an assert to addType to make sure we catch this in the future.

Fix up a testcase that was using the tag for DW_TAG_array_type
when it meant DW_TAG_enumeration_type.

llvm-svn: 187963
 2013-08-08 07:40:37 +00:00
Eric Christopher
4725619d96 Change variable name and reflow formatting. 
llvm-svn: 187962
 2013-08-08 07:40:31 +00:00
Eric Christopher
160c346748 Reflow for loop. 
llvm-svn: 187954
 2013-08-08 01:41:05 +00:00
Eric Christopher
c16b1aaf3f Be more rigorous about the sizes of forms and attributes. 
llvm-svn: 187953
 2013-08-08 01:41:00 +00:00
Eric Christopher
0cff1be367 Using the integrated assembler we'd fail to change section to the 
.tbss section for zerofill thread locals. Make sure we do this
before emitting the zerofills.

Fixes PR15972.

llvm-svn: 187913
 2013-08-07 21:13:06 +00:00
Eric Christopher
e4c1a6601b Remove some parens. No functional change. 
llvm-svn: 187872
 2013-08-07 08:35:10 +00:00
Eric Christopher
8aac1919bd Add a way to grab a particular attribute out of a DIE. 
Use it when we're looking for a string in particular. Update comments
as well.

llvm-svn: 187844
 2013-08-07 01:18:33 +00:00
Eric Christopher
c0368e09cd Move somewhat messy conditional out of line. 
No functional change.

llvm-svn: 187843
 2013-08-07 01:18:24 +00:00
NAKAMURA Takumi
c42a37f99e AsmPrinter/CMakeLists.txt: Add explicit dependency to intrinsics_gen here. 
llvm-svn: 187778
 2013-08-06 05:56:39 +00:00
Eric Christopher
77c487801a Recommit previous cleanup with a fix for c++98 ambiguity. 
llvm-svn: 187752
 2013-08-05 22:32:28 +00:00
Eric Christopher
1c0455141c Revert "Use existing builtin hashing functions to make this routine more" 
This reverts commit r187745.

llvm-svn: 187747
 2013-08-05 22:07:30 +00:00
Eric Christopher
8884e7fbaa Use existing builtin hashing functions to make this routine more 
simple.

llvm-svn: 187745
 2013-08-05 22:00:50 +00:00
Eric Christopher
57a9194e5f Change parent hashing algorithm to be non-recursive and elaborate 
greatly on many comments in the code.

llvm-svn: 187742
 2013-08-05 21:40:57 +00:00
Carlo Kok
c393bb3dd6 Bugfix for making the DWARF debug strings and labels to code emitted as secrel32 instead of long opcodes (only for coff). This makes them debuggable with GDB (with fix for 64bits msvc) 
llvm-svn: 187656
 2013-08-02 16:14:15 +00:00
NAKAMURA Takumi
5392b91cd7 Revert r187597, "Bugfix for making the DWARF debug strings and labels to code emitted as secrel32 instead of long opcodes (only for coff). This makes them debuggable with GDB." 
It broke x86_64-win32 builder in llvm/test/DebugInfo.

llvm-svn: 187642
 2013-08-02 03:46:05 +00:00
David Blaikie
47d13dbe00 DebugInfo: Emit definitions for types with no members. 
The absence of members was a poor/incorrect proxy for "is definition".

llvm-svn: 187607
 2013-08-01 20:30:22 +00:00
Carlo Kok
80d1494d50 Bugfix for making the DWARF debug strings and labels to code emitted as secrel32 instead of long opcodes (only for coff). This makes them debuggable with GDB. 
fixes Bug 16249 - LLVM generates broken debug info on Windows 

llvm-svn: 187597
 2013-08-01 18:38:14 +00:00
Eric Christopher
7aa2c8e944 Fix a truly egregious thinko in anonymous namespace check, 
update testcase to make sure we generate debug info for walrus
by adding a non-trivial constructor and verify that we don't
emit an ODR signature for the type.

llvm-svn: 187393
 2013-07-29 23:53:08 +00:00
Eric Christopher
f6e5a0524b Make sure we don't emit an ODR hash for types with no name and make 
sure the comments for each testcase are a bit easier to distinguish.

llvm-svn: 187392
 2013-07-29 23:53:05 +00:00
Eric Christopher
979a1dca9f Elaborate a bit on the type unit and ODR conditional code. 
llvm-svn: 187385
 2013-07-29 22:24:32 +00:00
Benjamin Kramer
2b93c9d1a8 DwarfDebug: MD5 is always little endian, bswap on big endian platforms. 
This makes LLVM emit the same signature regardless of host and target endianess.

llvm-svn: 187304
 2013-07-27 14:14:43 +00:00
Chandler Carruth
45c5f8b159 Fix a memory leak in the debug emission by simply not allocating memory. 
There doesn't appear to be any reason to put this variable on the heap.
I'm suspicious of the LexicalScope above that we stuff in a map and then
delete afterward, but I'm just trying to get the valgrind bot clean.

llvm-svn: 187301
 2013-07-27 11:09:58 +00:00
Eric Christopher
6e8fb58fea Remove addLetterToHash, no functional change. 
llvm-svn: 187245
 2013-07-26 21:07:18 +00:00
Eric Christopher
04dc3562f6 Add preliminary support for hashing DIEs and breaking them into 
type units.

Initially this support is used in the computation of an ODR checker
for C++. For now we're attaching it to the DIE, but in the future
it will be attached to the type unit.

This also starts breaking out types into the separation for type
units, but without actually splitting the DIEs.

In preparation for hashing the DIEs this adds a DIEString type
that contains a StringRef with the string contained at the label.

llvm-svn: 187213
 2013-07-26 17:02:41 +00:00
Eric Christopher
09c8879456 Reformat options. 
llvm-svn: 186994
 2013-07-23 22:16:41 +00:00
Eric Christopher
3749516bec Formatting. 
llvm-svn: 186851
 2013-07-22 18:26:15 +00:00
Manman Ren
929ebf85f2 Add getModuleFlag(StringRef Key) to query a module flag given Key. 
No functionality change.

llvm-svn: 186470
 2013-07-16 23:21:16 +00:00
Craig Topper
b8260534f6 Add 'const' qualifiers to static const char* variables. 
llvm-svn: 186371
 2013-07-16 01:17:10 +00:00
Eric Christopher
c95ff399e8 Clarify comments. 
llvm-svn: 186297
 2013-07-14 22:23:54 +00:00
Eric Christopher
a7002e51e3 Collapse temporary variable into call. 
llvm-svn: 186295
 2013-07-14 21:46:51 +00:00
Hal Finkel
cfe83c42cd Initialize AsmPrinter::MF in the constructor 
MF is normally initialized in AsmPrinter::SetupMachineFunction, but if the file
contains only globals (no functions), then we need this to be initialized
because, when encountering an error, lowerConstant() references it.

This should fix the non-deterministic failures of
test/CodeGen/X86/nonconst-static-iv.ll, etc.

llvm-svn: 186068
 2013-07-11 06:41:14 +00:00