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72 Commits

Author SHA1 Message Date
Reid Kleckner
333fd129ac Explicitly request unsigned enum types when desired 
The underlying type of all plain enums in MSVC is 'int', even if the
enumerator contains large 32-bit unsigned values or values greater than
UINT_MAX.  The only way to get a large or unsigned enum type is to
request it explicitly with the C++11 strong enum types feature.

However, since LLVM isn't C++11 yet, I had to add a conditional
LLVM_ENUM_INT_TYPE to Compiler.h to control its usage.

The motivating true positive for this change is compiling PointerIntPair
with MSVC for win64.  The PointerIntMask value is supposed to be pointer
sized value of all ones with some low zeros.  Instead, it's truncated to
32-bits!  We are only saved later because it is sign extended back in
the AND with int64_t, and we happen to want all ones.

This silences lots of -Wmicrosoft warnings during a clang self-host
targeting Windows.

llvm-svn: 191241
 2013-09-23 23:26:57 +00:00
David Blaikie
8dd7f9c9a7 DebugInfo: GDBIndexEntry*String conversion functions now return const char* for easy llvm::formating 
This was previously invoking UB by passing a user-defined type to
format. Thanks to Jordan Rose for pointing this out.

llvm-svn: 191060
 2013-09-20 00:33:15 +00:00
Richard Mitton
f43e48210e Fixed warning 
llvm-svn: 191053
 2013-09-19 23:21:07 +00:00
Richard Mitton
fe7ffd01f6 Added support for generate DWARF .debug_aranges sections automatically. 
llvm-svn: 191052
 2013-09-19 23:21:01 +00:00
David Blaikie
f60a2aeec3 DebugInfo: llvm-dwarfdump support for gnu_pubnames section 
llvm-svn: 191050
 2013-09-19 23:01:29 +00:00
David Blaikie
7d5a020241 DebugInfo: Improve IR annotation comments for GNU pubthings. 
llvm-svn: 191043
 2013-09-19 22:19:37 +00:00
Benjamin Kramer
824049fa6e Unbreak C++03 build. 
llvm-svn: 191039
 2013-09-19 21:30:00 +00:00
David Blaikie
a8dfbd9e12 Unshift the GDB index/GNU pubnames constants modified in r191025 
Based on code review feedback from Eric Christopher, unshifting these
constants as they can appear in the gdb_index itself, shifted a further
24 bits. This means that keeping them preshifted is a bit inflexible, so
let's not do that.

Given the motivation, wrap up some nicer enums, more type safety, and
some utility functions.

llvm-svn: 191035
 2013-09-19 20:40:26 +00:00
David Blaikie
d4db76886f DebugInfo: Simplify gnu_pubnames index computation. 
Names open to bikeshedding. Could switch back to the constants being
unshifted, but this way seems a bit easier to work with.

llvm-svn: 191025
 2013-09-19 18:39:59 +00:00
Eric Christopher
89bc57b9bc Add initial support for handling gnu style pubnames accepted by some 
versions of gold. This support is designed to allow gold to produce
gdb_index sections similar to the accelerator tables and consumable
by gdb.

llvm-svn: 190649
 2013-09-13 00:35:05 +00:00
Eric Christopher
20fbf5e9c0 Add constant defines for gnu pubnames and gnu pubtypes - they're used 
for the gdb index as the names convey.

llvm-svn: 190343
 2013-09-09 20:03:11 +00:00
Eric Christopher
b9afc367ff Formatting. 
llvm-svn: 190342
 2013-09-09 20:03:08 +00:00
Eric Christopher
059d9c3395 Move accelerator table defines and constants to Dwarf.h since 
we're proposing it for DWARF5.

No functional change intended.

llvm-svn: 190074
 2013-09-05 18:20:16 +00:00
Eric Christopher
611fa37a25 Rename enums to match convention and remove superfluous "dwarf" in names. 
llvm-svn: 190067
 2013-09-05 16:55:35 +00:00
Eric Christopher
d29caae526 Clean up some whitespace and comment formatting. 
llvm-svn: 190015
 2013-09-05 00:01:17 +00:00
Eric Christopher
9241791269 Move default dwarf version enum into the llvm dwarf constants rather 
than the spec dwarf constants.

llvm-svn: 190011
 2013-09-04 23:38:29 +00:00
Eric Christopher
49b6a03c98 Migrate the DWARF_VERSION constant to 4. It largely needs to go away. 
llvm-svn: 189824
 2013-09-03 16:11:13 +00:00
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
3b6ff658c3 Add DW_AT_GNU_odr_signature to the set of dwarf attributes. 
llvm-svn: 186296
 2013-07-14 22:02:31 +00:00
Eric Christopher
d419b3e326 Revert "Update the version of dwarf we say we're emitting to at least 3." 
temporarily while we work on plumbing through some changes to continue
supporting gdb on darwin.

This reverts commit r179122.

llvm-svn: 179222
 2013-04-10 21:45:07 +00:00
Eric Christopher
8a0c2a7dbd Update the version of dwarf we say we're emitting to at least 3. 
Deals with a dwarf2 -> dwarf3 DW_FORM_ref_addr change.

llvm-svn: 179122
 2013-04-09 20:22:47 +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
Eric Christopher
eedffc4f2b Remove the llvm-local DW_TAG_vector_type tag and add a test to 
make sure that vector types do work.

llvm-svn: 171833
 2013-01-08 01:53:52 +00:00
Eric Christopher
08e34159b3 Remove what appears to be a dead llvm-specific debug tag. 
llvm-svn: 171821
 2013-01-08 00:16:33 +00:00
Eric Christopher
44d69c50b0 Add constant definitions for fission dwarf attributes, forms, etc. 
llvm-svn: 168218
 2012-11-16 23:04:31 +00:00
Eric Christopher
330add6489 Lowercase the tag name to match the rest of dwarf. 
llvm-svn: 153691
 2012-03-29 21:35:05 +00:00
Devang Patel
9146918282 Update llvm debug version to support new structure and tag for Objective-C property's debug info. 
llvm-svn: 149736
 2012-02-04 01:30:01 +00:00
Devang Patel
1de069d34a Add new tag and an attribute to support debug info for objective-c property. 
llvm-svn: 149724
 2012-02-03 23:57:08 +00:00
Kevin Enderby
63cf89d532 The second part of support for generating dwarf for assembly source files. This 
generates the dwarf Compile Unit DIE and a dwarf subprogram DIE for each
non-temporary label.

The next part will be to get the clang driver to enable this when assembling
a .s file.  rdar://9275556

llvm-svn: 146262
 2011-12-09 18:09:40 +00:00
Nick Lewycky
e83d55a4d2 Despite what the GCC wiki says, a quick search shows that 
DW_AT_GNU_template_name = 0x2110, not 0x2108. That would explain those 
attr #0x2110 under the DW_TAG_GNU_template_template_param I'm seeing. Migrate
from documented values to reality.

llvm-svn: 139785
 2011-09-15 05:30:55 +00:00
Nick Lewycky
d984768671 Add some more DWARF extensions from: 
1. http://gcc.gnu.org/wiki/TemplateParmsDwarf
2. ftp://ftp.software.ibm.com/software/os390/czos/dwarf/mips_extensions.pdf

llvm-svn: 139784
 2011-09-15 05:21:03 +00:00
Nick Lewycky
c76a2c21bc Update Dwarf enums list for DWARF 4. 
Note that DW_TAG_rvalue_reference_type is officially 0x42, not 0x41.

llvm-svn: 139779
 2011-09-15 04:23:44 +00:00
Devang Patel
ac7dbe4022 Maintain hexadecimal order. 
llvm-svn: 139601
 2011-09-13 16:39:59 +00:00
Devang Patel
484cb2a602 Add DW_ATE_UTF, which clang started using in my previous commit! 
llvm-svn: 139503
 2011-09-12 17:18:20 +00:00
Devang Patel
c6fd34458c Increment debug info version to accommodate upcoming change in debug info node structure. 
llvm-svn: 137751
 2011-08-16 21:00:05 +00:00
Devang Patel
5a4bb57ec5 Reapply r135457. This needs llvm-gcc change, that I forgot to check-in yesterday. 
llvm-svn: 135504
 2011-07-19 19:41:54 +00:00
Bob Wilson
7c9092c9aa Revert "Make a provision to encode inline location in a variable. This will enable dwarf writer to easily distinguish between two instances of a inlined variable in one basic block." 
This reverts commit 9fec5e346efdf744b151ae6604f912908315fa7a.

llvm-svn: 135486
 2011-07-19 16:32:50 +00:00
Devang Patel
e50d45c876 Make a provision to encode inline location in a variable. This will enable dwarf writer to easily distinguish between two instances of a inlined variable in one basic block. 
llvm-svn: 135457
 2011-07-19 01:03:32 +00:00
Devang Patel
dd08ae41c6 Doug convinced me that DW_AT_APPLE_objc_complete_type is more appropriate name. 
s/DW_AT_APPLE_objc_class_extension/DW_AT_APPLE_objc_complete_type/g

llvm-svn: 131244
 2011-05-12 21:29:42 +00:00
Devang Patel
b865dd6a20 Let Objective-C front-end identify class extension, in dwarf output, using an attribute DW_AT_APPLE_objc_class_extension. 
llvm-svn: 131238
 2011-05-12 19:06:16 +00:00
Devang Patel
5b09b96367 Add DW_OP_bit_piece. 
llvm-svn: 129945
 2011-04-21 22:26:13 +00:00
Devang Patel
eddab1d186 Introduce support to encode Objective-C property information in debugging information generated for an interface. 
llvm-svn: 129624
 2011-04-16 00:11:51 +00:00
Devang Patel
918feedd44 Remove unused tag. 
llvm-svn: 125988
 2011-02-18 23:23:09 +00:00
Devang Patel
7bc042d9d4 Provide tag strings for llvm specific tags. 
llvm-svn: 125986
 2011-02-18 23:06:29 +00:00
Chris Lattner
dc44d098ae add DW_TAG for rvalue refs. 
llvm-svn: 124019
 2011-01-22 01:47:25 +00:00
Kevin Enderby
f3d8ed8368 Did my commit for the last patch for the .loc directory from the wrong place and 
missed a bunch of files.  Here the rest.  Sorry about that.

llvm-svn: 115173
 2010-09-30 17:16:09 +00:00
Devang Patel
bbd003ab48 Generalize DISubprogram element to encode various flags instead of just one boolean for isArtificial. 
This is a backword compatible change.

llvm-svn: 115084
 2010-09-29 21:04:46 +00:00
Jason Molenda
830bbc15f4 Add the entire range of DW_OP_lit[0..31], DW_OP_reg[0..31], and 
DW_OP_breg[0..31] to Dwarf.h.

Add "DW_" prefix to the llvm::dwarf::*String methods which did not
already have them in Dwarf.cpp.

llvm-svn: 106197
 2010-06-17 01:23:24 +00:00
Devang Patel
06123c1012 Add DW_AT_APPLE_omit_frame_ptr to encode -fomit-frame-pointer flag. 
llvm-svn: 101805
 2010-04-19 19:14:02 +00:00
Devang Patel
4995bb0450 Start using DIFile. See updated SourceLevelDebugging.html for more information. 
This patch updates LLVMDebugVersion to 8.
Debug info descriptors encoded using LLVMDebugVersion 7 is supported.

Corresponding llvmgcc and clang FE commits are required.

llvm-svn: 98020
 2010-03-09 00:44:10 +00:00