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* llvm-mc: Store MCSymbolData value as a pointer (to make MSVC happy).Daniel Dunbar2009-09-011-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80652 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc: Make MCSymbolData symbol member const.Daniel Dunbar2009-08-311-5/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80573 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc: Add MCContext to MCAssembler.Daniel Dunbar2009-08-311-3/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80572 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc: Support .comm emission.Daniel Dunbar2009-08-281-12/+34
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80351 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc: Support .zerofill emission.Daniel Dunbar2009-08-281-3/+64
| | | | | | - I'm still trying to figure out the cleanest way to implement this and match the assembler, currently there are some substantial differences. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80347 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc: Tweak section alignment and size computation to match 'as' closer.Daniel Dunbar2009-08-281-20/+42
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* llvm-mc: Fix thinko in emitting values.Daniel Dunbar2009-08-281-1/+1
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* Try to make MSVC just a little happier.Daniel Dunbar2009-08-271-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80187 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc/Mach-O: Don't put assembler temporary labels in the symbol table.Daniel Dunbar2009-08-261-0/+8
| | | | | | | | | - I moved section creation back into AsmParser. I think policy decisions like this should be pushed higher, not lower, when possible (in addition the assembler has flags which change this behavior, for example). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80162 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc/Mach-O: Set .subsections_via_symbols flag properly.Daniel Dunbar2009-08-261-9/+21
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80144 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc/Mach-O: Add support for relocations.Daniel Dunbar2009-08-261-13/+225
| | | | | | | | | | - I haven't really tried to find the "right" way to store the fixups or apply them, yet. This works, but isn't particularly elegant or fast. - Still no evaluation support, so we don't actually ever not turn a fixup into a relocation entry. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80089 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc/Mach-O: Move symbol indices into the MCSymbolData structure.Daniel Dunbar2009-08-261-21/+13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80088 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc/Mach-O: Add section padding where needed (to align the next section).Daniel Dunbar2009-08-261-39/+45
| | | | | | | Also, simplify some of Mach-O writer code which can now use section addresses. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80067 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc/Mach-O: Set addresses for symbols.Daniel Dunbar2009-08-261-10/+31
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80065 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc: Improve indirect symbol support (add the indirect index table).Daniel Dunbar2009-08-261-11/+57
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80059 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc: Add statistic for number of fragments emitted by the assembler.Daniel Dunbar2009-08-251-0/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80033 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc/Mach-O: Preliminary support for indirect symbols.Daniel Dunbar2009-08-241-13/+85
| | | | | | | | | - The indirect table itself isn't being filled in yet. - This isn't factored properly and is rather FIXMEd, but at the moment I'm more focused on figuring out what it needs to do. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79910 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc/Mach-O: Support symbol attributes.Daniel Dunbar2009-08-241-3/+8
| | | | | | | | - This is mostly complete, the main thing missing is .indirect_symbol support (which would be straight-forward, except that the way it is implemented in 'as' makes getting an exact .o match interesting). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79899 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc: Tweak undefined symbol handling.Daniel Dunbar2009-08-241-4/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79898 91177308-0d34-0410-b5e6-96231b3b80d8
* prune the #includes in raw_ostream.h by moving a Chris Lattner2009-08-241-0/+1
| | | | | | | | member out of line. ftostr is not particularly speedy, so that method is presumably not perf sensitive. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79885 91177308-0d34-0410-b5e6-96231b3b80d8
* tweak #includesChris Lattner2009-08-221-5/+2
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* llvm-mc/Mach-O: Improve symbol table support:Daniel Dunbar2009-08-221-36/+156
| | | | | | | | | | | | - Honor .globl. - Set symbol type and section correctly ('nm' now works), and order symbols appropriately. - Take care to the string table so that the .o matches 'as' exactly (for ease of testing). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79740 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc/Mach-O: Sketch symbol table support.Daniel Dunbar2009-08-221-32/+207
| | | | | | | | | | | - The only .s syntax this honors right now is emitting labels, and some parts of the symbol table generation are wrong or faked. - This is enough to get nm to report such symbols... incorrectly, but still. Also, fixed byte emission to extend the previous fragment if possible. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79739 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc/Mach-O: Move more logic for writing the Mach-O file into the writerDaniel Dunbar2009-08-221-27/+40
| | | | | | class, and kill off MCSectionData::FileOffset. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79735 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc: Rename / redefine MCFragment::FileOffset to MCFragment::Offset (theDaniel Dunbar2009-08-221-15/+9
| | | | | | section offset). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79734 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc/Mach-O: Support .o emission for .org and .align.Daniel Dunbar2009-08-211-16/+88
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* llvm-mc/Mach-O: Support byte and fill value emission.Daniel Dunbar2009-08-211-23/+130
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* llvm-mc: Start MCAssembler and MCMachOStreamer.Daniel Dunbar2009-08-211-0/+228
- Together these form the (Mach-O) back end of the assembler. - MCAssembler is the actual assembler backend, which is designed to have a reasonable API. This will eventually grow to support multiple object file implementations, but for now its Mach-O/i386 only. - MCMachOStreamer adapts the MCStreamer "actions" API to the MCAssembler API, e.g. converting the various directives into fragments, managing state like the current section, and so on. - llvm-mc will use the new backend via '-filetype=obj', which may eventually be, but is not yet, since I hear that people like assemblers which actually assemble. - The only thing that works at the moment is changing sections. For the time being I have a Python Mach-O dumping tool in test/scripts so this stuff can be easily tested, eventually I expect to replace this with a real LLVM tool. - More doxyments to come. I assume that since this stuff doesn't touch any of the things which are part of 2.6 that it is ok to put this in not so long before the freeze, but if someone objects let me know, I can pull it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79612 91177308-0d34-0410-b5e6-96231b3b80d8