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89 Commits

Author SHA1 Message Date
Eric Christopher
8b9a227517 If we have a DIE with an AT_specification use that instead of the normal 
addr DIE when adding to the dwarf accelerator tables.

llvm-svn: 144354
 2011-11-11 01:55:22 +00:00
Rafael Espindola
e7024f983a Check in getOrCreateSubprogramDIE if a declaration exists and if so output 
it first.

This is a more general fix to pr11300.

llvm-svn: 144324
 2011-11-10 22:34:29 +00:00
Eric Christopher
71b5af9cbe Move type handling to make sure we get all created types that aren't 
forward decls and have names into the dwarf accelerator types table.

llvm-svn: 144306
 2011-11-10 19:52:58 +00:00
Eric Christopher
c916a28d7f Remove the pubnames section, no one consumes it. 
llvm-svn: 144169
 2011-11-09 05:24:07 +00:00
Eric Christopher
eba4abd2aa Also add the linkage name to the name accelerator tables if it exists 
and is different than the normal name.

llvm-svn: 144130
 2011-11-08 21:56:23 +00:00
Eric Christopher
37cd1659cb Add all completed and named types to the dwarf type accelerator tables. 
llvm-svn: 144027
 2011-11-07 22:11:16 +00:00
Eric Christopher
f9c4db49bd Add the support code to enable the dwarf accelerator tables. Upcoming patches 
to fix the types section (all types, not just global types), and testcases.

The code to do the final emission is disabled by default.

llvm-svn: 143923
 2011-11-07 09:24:32 +00:00
NAKAMURA Takumi
bcfac720a7 Dwarf: [PR11022] Fix emitting DW_AT_const_value(>i64), to be host-endian-neutral. 
Don't assume APInt::getRawData() would hold target-aware endianness nor host-compliant endianness. rawdata[0] holds most lower i64, even on big endian host.

FIXME: Add a testcase for big endian target.

FIXME: Ditto on CompileUnit::addConstantFPValue() ?
llvm-svn: 143194
 2011-10-28 14:12:22 +00:00
Nick Lewycky
5758d6af22 Always use the string pool, even when it makes the .o larger. This may help 
tools that read the debug info in the .o files by making the DIE sizes more
consistent.

llvm-svn: 143186
 2011-10-28 05:29:47 +00:00
Nick Lewycky
651475977d Teach our Dwarf emission to use the string pool. 
llvm-svn: 143097
 2011-10-27 06:44:11 +00:00
Nick Lewycky
4aa5a52a80 Reflow lines, fix comments for doxygen style, fix whitespace. No functionality 
change.

llvm-svn: 143074
 2011-10-26 22:55:33 +00:00
Eric Christopher
75a56b2f1f Whitespace. 
llvm-svn: 141005
 2011-10-03 15:49:20 +00:00
James Molloy
d63e75cd59 Fix emission of debug data for global variables. getContext() on DIGlobalVariables is not valid any more. 
llvm-svn: 140539
 2011-09-26 17:40:42 +00:00
Devang Patel
5d43ab8434 Do not unnecessarily use AT_specification DIE because it does not add any value. 
Few weeks ago, llvm completely inverted the debug info graph. Earlier each debug info node used to keep track of its compile unit, now compile unit keeps track of important nodes. One impact of this change is that the global variable's do not have any context, which should be checked before deciding to use AT_specification DIE.

llvm-svn: 140282
 2011-09-21 23:41:11 +00:00
Devang Patel
e5dc3a1f1e Add support to emit debug info for C++0x nullptr type. 
llvm-svn: 139751
 2011-09-14 23:13:28 +00:00
Devang Patel
68d2232bfe Eliminate unnecessary forwarding function. 
llvm-svn: 138006
 2011-08-18 23:17:55 +00:00
Devang Patel
0253beee5c Add new DIE into the map asap. 
llvm-svn: 137998
 2011-08-18 22:21:50 +00:00
Devang Patel
630d8ce36b Until now all debug info MDNodes referred to a root MDNode, a compile unit. This simplified handling of these needs in dwarf writer. However, one side effect of this is that during link time optimization all these MDNodes are _not_ uniqued. In other words there will be N number of MDNodes describing "int", "char" and all other types, which would suddenly grow when each object file starts using libraries like STL. 
MDNodes graph structure such that compiler unit keeps track of important MDNodes and update dwarf writer to process mdnodes top-down instead of bottom up.

llvm-svn: 137778
 2011-08-16 22:09:43 +00:00
Devang Patel
8fe83ecaf3 Refactor. Variables are part of compile unit so let CompileUnit create new variable. 
llvm-svn: 137663
 2011-08-15 22:04:40 +00:00
Devang Patel
1b73744344 Refactor. Global variables are part of compile unit so let CompileUnit create new global variable. 
llvm-svn: 137621
 2011-08-15 17:57:41 +00:00
Devang Patel
ec9a83977b Refactor. A subprogram is part of compile unit so let CompileUnit construct new subprogram. 
llvm-svn: 137618
 2011-08-15 17:24:54 +00:00
Devang Patel
9914fe1aca While emitting constant value, look through derived type and use underlying basic type to determine size and signness of the constant value. 
llvm-svn: 135627
 2011-07-20 21:57:04 +00:00
Devang Patel
91fee59b74 Handle debug info for i128 constants. 
llvm-svn: 133821
 2011-06-24 20:46:11 +00:00
Devang Patel
4eab0639a4 Incomplete type may not have corresponding DIE, so do not check DIEEntry eagerly. 
llvm-svn: 132377
 2011-06-01 00:23:24 +00:00
Devang Patel
4077aa90ed Refactor. 
llvm-svn: 132373
 2011-05-31 23:30:30 +00:00
Devang Patel
a9f6a46390 Include global types, that are referenced through local variables, in debug_pubtypes list. 
llvm-svn: 132371
 2011-05-31 22:56:51 +00:00
Devang Patel
93e78e996f Select DW_AT_const_value size based on global variable size. 
llvm-svn: 132239
 2011-05-28 00:39:18 +00:00
Devang Patel
2872ac051d Keep this simple. Use DIType to get signness and size of a type. Based on size, select appropraite form. 
llvm-svn: 132206
 2011-05-27 19:13:26 +00:00
Devang Patel
c0bffe6366 Handle signed types gracefully. 
This fixes regressions reported by buildbots as a fallout of r132193.

llvm-svn: 132197
 2011-05-27 18:15:52 +00:00
Devang Patel
62a7038a9f Select DW_AT_const_value size based on variable size. 
llvm-svn: 132193
 2011-05-27 16:45:18 +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
188fd17fe4 Move CompileUnit::getOrCreateNameSpace() and CompileUnit::addPubType() from DwarfDebug.cpp to DwarfCompileUnit.cpp 
llvm-svn: 130991
 2011-05-06 16:57:54 +00:00
Devang Patel
900ceb725b Teach dwarf writer to handle complex address expression for .debug_loc entries. 
This fixes clang generated blocks' variables' debug info.
Radar 9279956.

llvm-svn: 130373
 2011-04-28 02:22:40 +00:00
Devang Patel
42736cb058 Simplify handling of variables with complex address (i.e. blocks variables) 
llvm-svn: 130339
 2011-04-27 22:45:24 +00:00
Devang Patel
09b1585aac Refactor code. Keep dwarf register operation selection logic at one place. 
llvm-svn: 130231
 2011-04-26 19:06:18 +00:00
Devang Patel
e28211b031 Rename a method to match what it really does. 
s/addVariableAddress/addFrameVariableAddress/g

llvm-svn: 130170
 2011-04-25 23:02:17 +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
9cceebfde4 I missed this new file in previous commit. 
llvm-svn: 129407
 2011-04-12 23:21:44 +00:00