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505 Commits

Author SHA1 Message Date
Manman Ren
3de61b4c01 Debug Info: store the files and directories for each compile unit. 
We now emit a line table for each compile unit. To reduce the prologue size
of each line table, the files and directories used by each compile unit are
stored in std::map<unsigned, std::vector< > > instead of std::vector< >.

The prologue for a lto'ed image can be as big as 93K. Duplicating 93K for each
compile unit causes a huge increase of debug info. With this patch, each
prologue will only emit the files required by the compile unit.

rdar://problem/13342023


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176605 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-03-07 01:42:00 +00:00
Krzysztof Parzyszek
c5ef7eee3c Allow optionally generating pubnames section in DWARF info. Introduce 
option "generate-dwarf-pubnames" to control it, set to "false" by default.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174981 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-02-12 18:00:14 +00:00
Eric Christopher
7a0103c30d "Clean up" line section symbol emission by emitting the section 
syms before constructing the compile units so we're not emitting
section references to sections not there already.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174663 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-02-07 21:19:50 +00:00
Eric Christopher
01776a5a94 Clean up multiple skeleton compile units if we have multiple compile 
units coming in.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174548 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-02-06 21:53:56 +00:00
Eric Christopher
231b83d8fd Remove some dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174547 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-02-06 21:53:53 +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
Eric Christopher
b6714227ed Move the string pools down into the units. No functional change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171905 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-08 22:22:06 +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
64f824c9d1 For the dwarf5 split debug info code split out the string section 
per compile unit/skeleton compile unit. Update tests accordingly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171133 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-27 02:14:01 +00:00
Eric Christopher
72c1655e0a Whitespace and 80-column cleanup. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170771 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 21:58:40 +00:00
Eric Christopher
2e5d870b38 Start splitting out the debug string section handling by moving it 
into the DwarfUnits class.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170770 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 21:58:36 +00:00
Eric Christopher
6eebe47060 Split out abbreviations for the skeleton info from the rest of 
the abbreviations. Part of implementing split dwarf.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170589 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-19 22:02:53 +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
Dmitri Gribenko
0641bd7399 Declare class DwarfDebug before use instead of relying on a forward declaration 
from some other unrelated header.

Patch by Kai.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170284 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-16 12:57:36 +00:00
Eric Christopher
b1e66d0c4f To simplify some code move the unit emission into the holders. 
Make emitDIE public accordingly. No functional change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170258 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-15 00:04:07 +00:00
Eric Christopher
0b944ee36f Update some comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169907 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-11 19:42:09 +00:00
Eric Christopher
0e3e9b79f6 Refactor out the abbreviation handling into a separate class that 
controls each of the abbreviation sets (only a single one at the
moment) and computes offsets separately as well for each set
of DIEs.

No real function change, ordering of abbreviations for the skeleton
CU changed but only because we're computing in a separate order. Fix
the testcase not to care.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169793 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-10 23:34:43 +00:00
Eric Christopher
617d18385f Rearrange vars and make comments more obvious. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169780 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-10 22:25:41 +00:00
Eric Christopher
4daaed1c70 Use the somewhat semantic term "split dwarf" it more matches what's 
going on and makes a lot of the terminology in comments make more sense.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169758 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-10 19:51:21 +00:00
Eric Christopher
28bd25a06b Reorder fission variables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169756 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-10 19:51:13 +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
Eli Bendersky
d4a05e0c2c Fix PR12942: Allow two CUs to be generated from the same source file. 
Thanks Eric for the review.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169142 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-03 18:45:45 +00:00
Eric Christopher
98e237fc69 Add some first skeleton work for the DWARF5 Fission proposal. Emit 
part of the compile unit CU and start separating out information into
the various sections that will be pulled out later.

WIP.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169061 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-30 23:59:06 +00:00
Eric Christopher
5cf823cd82 More comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168952 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-29 22:56:13 +00:00
Eric Christopher
b6dc8655e1 Attempt to make the comments for dwarf debug look more like 
the coding standard would like.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168737 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-27 22:43:45 +00:00
Eric Christopher
4d26533234 Make comment names match function names. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168644 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-27 00:41:57 +00:00
Eric Christopher
4117bec41b Pull some code out into functions to make rearranging them a bit easier. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168481 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-22 00:59:49 +00:00
Eric Christopher
7ee5f5d61f Update for some of the coding standard before rearranging functions 
around.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168401 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-21 00:34:35 +00:00
Eric Christopher
b8a101f39a Update some comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168400 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-21 00:17:49 +00:00
Eric Christopher
e6ad6acb19 Update and add some comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168399 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-21 00:03:31 +00:00
Eric Christopher
c82fbf4cb1 Whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168398 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-21 00:03:28 +00:00
Eric Christopher
7dc68db9f0 Remove constness from this, it modifies the output stream as does 
everything else underneath.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168395 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-20 23:30:11 +00:00
Eric Christopher
fbd1975038 Remove unused function argument, add a bit to the comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168387 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-20 22:14:13 +00:00
Eric Christopher
c4639d6ec2 Remove a function argument and propagate const around accordingly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168338 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-19 22:42:15 +00:00
Eric Christopher
f5b6dcd392 Add an option to enable prototype "fission" capabilities and debug changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167765 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-12 22:22:20 +00:00
Benjamin Kramer
b4c9d9c51f Replace some instances of UniqueVector with SetVector, which is slightly cheaper. 
No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167116 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-31 13:45:49 +00:00
Eric Christopher
7b451cf356 Have the DbgVariable "isArtificial" and "isObjectPointer" not 
care about it being an argument variable so that we can decide
that captured block and lambda vars that don't happen to
be arguments could be an argument pointer.

Add the object pointer for one case onto the subprogram die.

rdar://12001329

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164419 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-21 22:18:52 +00:00
Eric Christopher
e521278f00 Recommit, with fixes: 
Add some support for dealing with an object pointer on arguments.

    Part of rdar://9797999

which now supports adding the object pointer attribute to the
subprogram as it should.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163754 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-12 23:36:19 +00:00
Eric Christopher
fd1cd57221 Revert "Add some support for dealing with an object pointer on arguments." 
This should be done on the subprogram, not the variable itself.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163734 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-12 18:42:31 +00:00
Eric Christopher
2c57a334d7 Add some support for dealing with an object pointer on arguments. 
Part of rdar://9797999

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163667 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-12 00:26:55 +00:00
Eric Christopher
4984e01fd5 80-col fixup. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163569 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-10 23:34:03 +00:00
Eric Christopher
20f47ab768 Turn these two options in to trinary state so that they can be 
turned on and off separate from the platform if you're on darwin.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162487 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-08-23 22:36:40 +00:00
Eric Christopher
c1610fa3c4 Add a flag to DwarfDebug to allow it to communicate whether or not 
we're using the darwin old gdb compat mode for emitting dwarf.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162486 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-08-23 22:36:36 +00:00
Eric Christopher
6635cad548 Temporarily revert c23b933d5f. It's causing 
failures in the debug testsuite and possibly PR13486.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161121 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-08-01 18:19:01 +00:00
Eric Christopher
c23b933d5f Add a DW_AT_high_pc for CUs that are a single address range. Update 
all tests accordingly.

Fixes PR13351.

Patch by shinichiro hamaji!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160899 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-07-27 22:00:05 +00:00
Alexey Samsonov
e2ec140909 Cleanup in DwarfDebug - fix a typo and remove two unused functions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159433 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-29 16:04:14 +00:00
Bill Wendling
0bcbd1df7a Move lib/Analysis/DebugInfo.cpp to lib/VMCore/DebugInfo.cpp and 
include/llvm/Analysis/DebugInfo.h to include/llvm/DebugInfo.h.

The reasoning is because the DebugInfo module is simply an interface to the
debug info MDNodes and has nothing to do with analysis.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159312 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-28 00:05:13 +00:00
Benjamin Kramer
f33a79c590 Allocate the contents of DwarfDebug's StringMaps in a single big BumpPtrAllocator. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158265 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-09 10:34:15 +00:00
Benjamin Kramer
74612c250b DwarfDebug: Store the filename/dirname pair as a zero-separated string in a stringmap, instead of using a highly inefficient std::map of a pair of std::strings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152541 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-03-11 14:56:26 +00:00
Eric Christopher
61cafd1449 Grammar. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151874 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-03-02 01:57:55 +00:00