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* add support for target-specific ELF section flags, add a new MCSectionXCoreChris Lattner2009-08-151-4/+6
| | | | | | | | class which represents the XCore cp/dp section flags. No functionality change yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79077 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc: Fix bugs where bytes were unintentionally being printed as signed.Daniel Dunbar2009-08-141-1/+1
| | | | | | | | - We now print all of 403.gcc cleanly (llvm-mc -> 'as' as diffed to 'as'), minus two 'rep;movsl' instructions (which I missed before). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79031 91177308-0d34-0410-b5e6-96231b3b80d8
* *try* to use a better name to describe how common symbols are marked on the ↵Bruno Cardoso Lopes2009-08-141-2/+4
| | | | | | elf object file. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79029 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc: When handling a .set, make sure to print subsequent references to theDaniel Dunbar2009-08-141-2/+9
| | | | | | | | | symbol as the symbol name itself, not the expression it was defined to. These have different semantics due to the quirky .set behavior (which absolutizes an expression that would otherwise be treated as a relocation). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79025 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc: zerofill shouldn't print quotes around the section,segment.Daniel Dunbar2009-08-141-2/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79017 91177308-0d34-0410-b5e6-96231b3b80d8
* CMake: updated list of source files for library MC.Oscar Fuentes2009-08-141-0/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78988 91177308-0d34-0410-b5e6-96231b3b80d8
* Update llvm-mc / MCAsmStreamer to print the instruction using the actual targetDaniel Dunbar2009-08-141-43/+21
| | | | | | | | | | | | specific printer (this only works on x86, for now). - This makes it possible to do some correctness checking of the parsing and matching, since we can compare the results of 'as' on the original input, to those of 'as' on the output from llvm-mc. - In theory, we could now have an easy ATT -> Intel syntax converter. :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78986 91177308-0d34-0410-b5e6-96231b3b80d8
* Add MCSymbol::{print, dump}Daniel Dunbar2009-08-142-3/+56
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78983 91177308-0d34-0410-b5e6-96231b3b80d8
* Add MCValue::{print, dump}Daniel Dunbar2009-08-141-0/+30
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78982 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc: Move MCAsmToken::getLoc() into MC library where it belongs.Daniel Dunbar2009-08-141-0/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78980 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix MCSectionELF::ShouldOmitSectionDirective's matching of .data andDan Gohman2009-08-131-3/+3
| | | | | | | | friends so that it doesn't match sections like .data.rel.local, which should not be emitted as section directives. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78963 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc: Add dummy MCStreamer implementation, (eventually) for use in profiling.Daniel Dunbar2009-08-132-5/+74
| | | | | | | | | - Currently unused. - A few other random comment fixes lumped in. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78960 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove HasCrazyBSS and add a flag in TAI to indicate that '.section' Bruno Cardoso Lopes2009-08-131-9/+10
| | | | | | | must be emitted for PowerPC-Linux '.bss' section git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78958 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a method to return if the ELF section contains only common symbols!Bruno Cardoso Lopes2009-08-131-0/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78937 91177308-0d34-0410-b5e6-96231b3b80d8
* Change MCSectionELF to represent a section semantically instead ofBruno Cardoso Lopes2009-08-133-85/+124
| | | | | | | | syntactically as a string, very similiar to what Chris did with MachO. The parsing support and validation is not introduced yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78890 91177308-0d34-0410-b5e6-96231b3b80d8
* sink uniquing of sections out of MCContext into the ELF and PECOFF TLOF ↵Chris Lattner2009-08-132-21/+2
| | | | | | | | | implementations. MCContext no longer maintains a string -> section map. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78874 91177308-0d34-0410-b5e6-96231b3b80d8
* add some comments: MCContext owns the MCSections, but it bump pointer allocatesChris Lattner2009-08-131-0/+2
| | | | | | | them, so it doesn't have to explicitly free them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78870 91177308-0d34-0410-b5e6-96231b3b80d8
* split MachO section handling stuff out to its out .h/.cpp file.Chris Lattner2009-08-104-270/+281
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78576 91177308-0d34-0410-b5e6-96231b3b80d8
* Make the big switch: Change MCSectionMachO to represent a section *semantically*Chris Lattner2009-08-102-12/+261
| | | | | | | | | | | | | | | | | | instead of syntactically as a string. This means that it keeps track of the segment, section, flags, etc directly and asmprints them in the right format. This also includes parsing and validation support for llvm-mc and "attribute(section)", so we should now start getting errors about invalid section attributes from the compiler instead of the assembler on darwin. Still todo: 1) Uniquing of darwin mcsections 2) Move all the Darwin stuff out to MCSectionMachO.[cpp|h] 3) there are a few FIXMEs, for example what is the syntax to get the S_GB_ZEROFILL segment type? git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78547 91177308-0d34-0410-b5e6-96231b3b80d8
* always end a section with \n on elf.Chris Lattner2009-08-091-0/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78534 91177308-0d34-0410-b5e6-96231b3b80d8
* sink the 'name' and 'isdirective' state out of MCSection into its derived ↵Chris Lattner2009-08-082-19/+28
| | | | | | | | | classes. This totally optimizes PIC16 sections by not having an 'isdirective' bit anymore!! ;-) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78517 91177308-0d34-0410-b5e6-96231b3b80d8
* 1. Make MCSection an abstract class.Chris Lattner2009-08-081-5/+109
| | | | | | | | | | | 2. Move section switch printing to MCSection virtual method which takes a TAI. This eliminates textual formatting stuff from TLOF. 3. Eliminate SwitchToSectionDirective, getSectionFlagsAsString, and TLOFELF::AtIsCommentChar. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78510 91177308-0d34-0410-b5e6-96231b3b80d8
* make target-specific TLOF impls (except PIC16) create target-specificChris Lattner2009-08-081-2/+2
| | | | | | | MCSection instances. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78500 91177308-0d34-0410-b5e6-96231b3b80d8
* stub out PECOFF/MachO/ELF MCSection classesChris Lattner2009-08-081-2/+20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78499 91177308-0d34-0410-b5e6-96231b3b80d8
* Change SectionKind to be a property that is true of a *section*, itChris Lattner2009-08-011-5/+6
| | | | | | | | | | | | | | | | | | | | should have no state that is specific to particular globals in the section. In this case, it means the removal of the "isWeak" and "ExplicitSection" bits. MCSection uses the new form of SectionKind. To handle isWeak, I introduced a new SectionInfo class, which is SectionKind + isWeak, and it is used by the part of the code generator that does classification of a specific global. The ExplicitSection disappears. It is moved onto MCSection as a new "IsDirective" bit. Since the Name of a section is either a section or directive, it makes sense to keep this bit in MCSection. Ultimately the creator of MCSection should canonicalize (e.g.) .text to whatever the actual section is. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77803 91177308-0d34-0410-b5e6-96231b3b80d8
* All MCSections are now required to have a SectionKind.Chris Lattner2009-08-011-8/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77787 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc: Fix .s output to quote section & symbol names when necessary.Daniel Dunbar2009-07-311-12/+51
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77749 91177308-0d34-0410-b5e6-96231b3b80d8
* split MCSection stuff out to its own .cpp file, add a newChris Lattner2009-07-313-12/+32
| | | | | | | MCSectionWithKind subclass of MCSection. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77684 91177308-0d34-0410-b5e6-96231b3b80d8
* create sections with MCSection::Create instead of Context->getOrCreateSection.Chris Lattner2009-07-311-8/+15
| | | | | | | This is needed to allow polymorphic sections. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77680 91177308-0d34-0410-b5e6-96231b3b80d8
* Expose Tokens to target specific assembly parsers.Daniel Dunbar2009-07-281-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77337 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc: Implement .abort fully in the front endDaniel Dunbar2009-07-271-10/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77272 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc: Move AsmLexer::getCurStrVal to StringRef based API.Daniel Dunbar2009-07-271-3/+3
| | | | | | | - My DFS traversal of LLVM is, at least for now, nearly complete! :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77258 91177308-0d34-0410-b5e6-96231b3b80d8
* Move MCContext and friends to StringRef based APIs.Daniel Dunbar2009-07-271-6/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77251 91177308-0d34-0410-b5e6-96231b3b80d8
* Removed the DumpSymbolsandMacros and LoadSymbolsandMacros MCStreamer API asKevin Enderby2009-07-201-12/+0
| | | | | | | | | | the parsing of the .dump and .load should be done in the assembly parser and not have any need for an MCStreamer API. Changed the code for now so these just produce an error saying these specific directives are not yet implemented since they are likely no longer used and may never need to be implemented. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76462 91177308-0d34-0410-b5e6-96231b3b80d8
* Add MCAsmLexer interface.Daniel Dunbar2009-07-202-0/+19
| | | | | | | - This provides the AsmLexer interface to the target specific assembly parsers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76460 91177308-0d34-0410-b5e6-96231b3b80d8
* Add MCAsmParser interface.Daniel Dunbar2009-07-202-0/+19
| | | | | | | | - This provides the AsmParser interface to the target specific assembly parsers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76453 91177308-0d34-0410-b5e6-96231b3b80d8
* Update CMake file.Ted Kremenek2009-07-171-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76264 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc: Add -triple, and start fetching the target asm printer.Daniel Dunbar2009-07-171-0/+19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76257 91177308-0d34-0410-b5e6-96231b3b80d8
* Removed the SubsectionsViaSymbols MCStreamer API and replaced it with a genericKevin Enderby2009-07-161-3/+6
| | | | | | | | EmitAssemblerFlag API which takes a value from the added AssemblerFlag enumerated constants. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76087 91177308-0d34-0410-b5e6-96231b3b80d8
* implement .include in the lexer/parser instead of passing it into the streamer.Chris Lattner2009-07-161-6/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75896 91177308-0d34-0410-b5e6-96231b3b80d8
* Added llvm-mc support for parsing the .dump and .load directives.Kevin Enderby2009-07-151-0/+12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75786 91177308-0d34-0410-b5e6-96231b3b80d8
* Added llvm-mc support for parsing the .include directive.Kevin Enderby2009-07-141-0/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75711 91177308-0d34-0410-b5e6-96231b3b80d8
* Added llvm-mc support for parsing the .lsym directive.Kevin Enderby2009-07-141-0/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75685 91177308-0d34-0410-b5e6-96231b3b80d8
* Added llvm-mc support for parsing the .desc directive.Kevin Enderby2009-07-141-0/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75645 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm_unreachable->llvm_unreachable(0), LLVM_UNREACHABLE->llvm_unreachable.Torok Edwin2009-07-141-3/+3
| | | | | | | | | | This adds location info for all llvm_unreachable calls (which is a macro now) in !NDEBUG builds. In NDEBUG builds location info and the message is off (it only prints "UREACHABLE executed"). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75640 91177308-0d34-0410-b5e6-96231b3b80d8
* Added llvm-mc support for parsing the .abort directive.Kevin Enderby2009-07-131-0/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75545 91177308-0d34-0410-b5e6-96231b3b80d8
* add llvm-mc support for parsing the .subsections_via_symbols directive.Kevin Enderby2009-07-131-0/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75500 91177308-0d34-0410-b5e6-96231b3b80d8
* assert(0) -> LLVM_UNREACHABLE.Torok Edwin2009-07-111-3/+5
| | | | | | | | | | Make llvm_unreachable take an optional string, thus moving the cerr<< out of line. LLVM_UNREACHABLE is now a simple wrapper that makes the message go away for NDEBUG builds. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75379 91177308-0d34-0410-b5e6-96231b3b80d8
* add support for .zerofill, patch by Kevin Enderby!Chris Lattner2009-07-101-0/+18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75301 91177308-0d34-0410-b5e6-96231b3b80d8
* add llvm-mc support for parsing the .lcomm directive, patch by Kevin Enderby!Chris Lattner2009-07-091-3/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75148 91177308-0d34-0410-b5e6-96231b3b80d8
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