Commit Graph

469 Commits

Author SHA1 Message Date
Devang Patel
eda312193d Do not record line number to implicitly mark start of function if function has arguments. Extra line number entries trip gdb in some cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83563 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-08 18:48:03 +00:00
Devang Patel
60b35bd8ec Add support to handle debug info attached to an instruction.
This is not yet enabled.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83400 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-06 18:37:31 +00:00
Dan Gohman
e3cc3f3c84 Instead of printing unnecessary basic block labels as labels in
verbose-asm mode, print comments instead. This eliminates a non-comment
difference between verbose-asm mode and non-verbose-asm mode.

Also, factor out the relevant code out of all the targets and into
target-independent code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83392 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-06 17:38:38 +00:00
Devang Patel
8a4087ddc7 Fix cut-n-pasto.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83367 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-06 03:15:38 +00:00
Devang Patel
af0e272683 Update processDebugLoc() so that it can be used to process debug info before and after printing an instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83363 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-06 02:19:11 +00:00
Devang Patel
89703cf838 Remove dead code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83362 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-06 02:01:32 +00:00
Devang Patel
0d20ac8d17 Add utility routine to set begin and end labels for DbgScopes.
This will be used by processDebugLoc().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83361 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-06 01:50:42 +00:00
Devang Patel
b39566d719 Remove unintentional function decl.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83356 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-06 01:31:35 +00:00
Devang Patel
e717faa467 Add utility routine to collect variable debug info. This is not yet used.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83355 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-06 01:26:37 +00:00
Devang Patel
6f3dc920b0 Existence of a compile unit for input source file is a good indicator to check debug info's presence in a module.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83348 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-06 00:03:14 +00:00
Devang Patel
ffd9c3dd4a If subprogram die is not available then construct new one.
This can happen if debug info is processed lazily.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83347 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-05 23:59:00 +00:00
Devang Patel
fd07cf56cd Adjust context for the global variables that are not at file scope, e.g.
void foo() { static int bar = 42; }
Here, foo's DIE is parent of bar's DIE.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83344 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-05 23:40:42 +00:00
Devang Patel
b71a16d10d Set address while constructing DIE.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83343 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-05 23:22:08 +00:00
Devang Patel
f84548db63 Gracefully handle various scopes while recording source line info.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83317 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-05 18:03:19 +00:00
Chris Lattner
cf0fe8d813 strength reduce a ton of type equality tests to check the typeid (Through
the new predicates I added) instead of going through a context and doing a
pointer comparison.  Besides being cheaper, this allows a smart compiler
to turn the if sequence into a switch.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83297 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-05 05:54:46 +00:00
Devang Patel
af9e84701b Add support to extract lexical scope information from DebugLoc attached with an machine instruction.
This is not yet enabled.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83210 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-01 20:31:14 +00:00
Devang Patel
d38dd11e12 Record first and last instruction of a scope in DbgScope.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83207 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-01 18:25:23 +00:00
Devang Patel
a1434045c3 Add another MDNode into DebugLocTuple. This will be used to keep track of inlined functions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83190 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-01 01:15:28 +00:00
Devang Patel
b0fdedb3fd Use MachineInstr as an processDebugLoc() argument.
This will allow processDebugLoc() to handle scopes for DWARF debug info. 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83183 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-30 23:12:50 +00:00
Devang Patel
3d910835fc Use MDNode * directly as an RecordSourceLine() argument.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83182 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-30 22:51:28 +00:00
Bob Wilson
812209a58c Add a new virtual EmitStartOfAsmFile method to the AsmPrinter and use this
to emit target-specific things at the beginning of the asm output.  This
fixes a problem for PPC, where the text sections are not being kept together
as expected.  The base class doInitialization code calls DW->BeginModule()
which emits a bunch of DWARF section directives.  The PPC doInitialization
code then emits all the TEXT section directives, with the intention that they
will be kept together. But as I understand it, the Darwin assembler treats
the default TEXT section as a special case and moves it to the beginning of
the file, which means that all those DWARF sections are in the middle of
the text.  With this change, the EmitStartOfAsmFile hook is called before
the DWARF section directives are emitted, so that all the PPC text section
directives come out right at the beginning of the file.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83176 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-30 22:06:26 +00:00
Bob Wilson
bc9506f5ee Fix a comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83171 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-30 21:26:13 +00:00
Mike Stump
3e4c9bdb67 Add a way for a frontend to generate more complex dwarf location
information.  This allows arbitrary code involving DW_OP_plus_uconst
and DW_OP_deref.  The scheme allows for easy extention to include,
any, or all of the DW_OP_ opcodes.  I thought about just exposing all
of them, but, wasn't sure if people wanted the dwarf opcodes exposed
in the api.  Is that a layering violation?

With this scheme, the entire existing block scheme used by llvm-gcc
can be switched over to the new scheme.  I think that would be
cleaner, as then the compiler specific bits are not present in llvm
proper.  Before the old code can be yanked however, similar code in
clang would have to be removed.

Next up, more testing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83120 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-30 00:08:22 +00:00
Devang Patel
5ccdd10b1a Remove std::string uses from DebugInfo interface.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83083 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-29 18:40:58 +00:00
Mike Stump
7e3720da38 Delete space after function name, before (, reflow a comment and
delete a few blank lines.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82729 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-24 23:21:26 +00:00
Mike Stump
ee4b8a7781 Fix spacing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82727 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-24 23:11:08 +00:00
Chris Lattner
b55e068e53 unconditionally compute MMI even if the target doesn't support EH or Debug info, because the target may use it for other things, this fixes PR5036
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82684 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-24 05:44:53 +00:00
Mike Stump
d75e9aad24 This is overly constraining with respect to clang.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82591 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-23 00:13:30 +00:00
Bill Wendling
711bb91574 --- Reverse-merging r82282 into '.':
U    lib/CodeGen/AsmPrinter/DwarfException.cpp
U    lib/CodeGen/AsmPrinter/DwarfException.h

--- Reverse-merging r82274 into '.':
U    lib/Target/TargetLoweringObjectFile.cpp
G    lib/CodeGen/AsmPrinter/DwarfException.cpp

These revisions were breaking everything.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82396 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-20 09:13:15 +00:00
Bill Wendling
5511ffd763 Here's fun! It turns out that these filter functions can be internal. If they're
internal, they shouldn't use the indirect pointer stuff. In the case of
throw_rethrow_test, it was marked as 'internal' and calculated its own offset to
its contents.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82354 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-20 02:19:49 +00:00
Daniel Dunbar
0056499549 Fix indentation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82333 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-19 20:40:14 +00:00
Daniel Dunbar
f612ff6cfb Strip trailing whitespace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82332 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-19 20:40:05 +00:00
Bill Wendling
f41b6e5d06 Factor out label difference creation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82282 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-18 21:37:56 +00:00
Bill Wendling
296ab7e544 It's inefficient to have place the exception tables (which contain the LSDA)
into the __DATA section. At launch time, dyld has to update most of the section
to fix up the type info pointers. It's better to place it into the __TEXT
section and use pc-rel indirect pointer encodings. Similar to the personality
routine.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82274 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-18 21:14:36 +00:00
Chris Lattner
bd23d5fda8 add a new hook to allow targets to splat stuff at the end of the file.
Overriding doFinalization is pretty lame.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82268 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-18 20:17:03 +00:00
Anton Korobeynikov
c6f729ed55 Allow symbols to start from the digit if target requests it. This allows, e.g. pinning
variables to specified absolute address. Make use of this feature for MSP430.
This unbreaks PR4776.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82227 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-18 16:57:42 +00:00
Chris Lattner
8609c7c931 pass machinemoduleinfo down into getSymbolForDwarfGlobalReference,
currently unused.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82157 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-17 18:49:52 +00:00
Chris Lattner
4edd187ddd remove the AsmPrinter::printMCInst hook hack now that
we have MCInstPrinter.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82006 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-16 04:57:15 +00:00
Chris Lattner
8c6ed05157 Big change #1 for personality function references:
Eliminate the PersonalityPrefix/Suffix & NeedsIndirectEncoding
fields from MAI: they aren't part of the asm syntax, they are
related to the structure of the object file.

To replace their functionality, add a new 
TLOF::getSymbolForDwarfGlobalReference method which asks targets
to decide how to reference a global from EH in a pc-relative way.

The default implementation just returns the symbol.  The default
darwin implementation references the symbol through an indirect
$non_lazy_ptr stub.  The bizarro x86-64 darwin specialization
handles the weird "foo@GOTPCREL+4" hack.

DwarfException.cpp now uses this to emit the reference to the
symbol in the right way, and this also eliminates another 
horrible hack from DwarfException.cpp:

-    if (strcmp(MAI->getPersonalitySuffix(), "+4@GOTPCREL"))
-      O << "-" << MAI->getPCSymbol();



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81991 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-16 01:46:41 +00:00
Chris Lattner
25d812bd7d inline AsmPrinter::getCurrentFunctionEHName into its only caller.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81970 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-16 00:35:39 +00:00
Chris Lattner
1c90c6f1c5 Eliminate AsmPrinter::EmitExternalGlobal, inlining its (now)
one implementation into its one caller.  This eliminates a totally
awesome and gratuitous hack where we casted a Function* to 
GlobalVariable*.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81967 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-16 00:17:39 +00:00
Chris Lattner
334fd1f259 eliminate the horrid AsmPrinter::getGlobalLinkName method, inlining
it into all of its call sites and simplifying them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81962 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-16 00:08:41 +00:00
Chris Lattner
bfd1e50c4f remove some horrible MAI hooks which fortunately turn out to be always empty.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81946 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15 23:11:32 +00:00
Chris Lattner
f60d3eb186 strength reduce a call to PrintRelDirective(true).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81942 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15 22:58:35 +00:00
Chris Lattner
662316c997 PIC16 does allow colon after MBB labels, simplify EmitBasicBlockStart.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81755 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-14 03:15:54 +00:00
Chris Lattner
90edac0e8b Change MCAsmStreamer to take an MCInstPrinter instead of a
full AsmPrinter, and change TargetRegistry to keep track
of registered MCInstPrinters.

llvm-mc is still linking in the entire
target foo to get the code emitter stuff, but this is an
important step in the right direction.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81754 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-14 03:02:37 +00:00
Chris Lattner
f806c23a9a eliminate an extraneous use of TRI::getAsmName in a comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81705 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-13 19:48:37 +00:00
Chris Lattner
7c30191393 remove MAI::JumpTableSpecialLabelPrefix now that MAI
has real information about linker private linkage.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81695 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-13 19:02:16 +00:00
Chris Lattner
70a54c07a0 replace printBasicBlockLabel with EmitBasicBlockStart,
now that printBasicBlockLabel is only used for starting
a MBB.  This allows elimination of a bunch of arguments.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81684 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-13 18:25:37 +00:00
Chris Lattner
325d3dcfe4 convert some uses of printBasicBlockLabel to use GetMBBSymbol
instead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81677 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-13 17:14:04 +00:00