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* MC: Move ordinal calculation, to make sure fragments synthesized for layout ↵Daniel Dunbar2010-05-131-21/+21
| | | | | | get assigned ordinals properly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103711 91177308-0d34-0410-b5e6-96231b3b80d8
* MC: Create dummy fragments to avoid ever having empty sections, which ↵Daniel Dunbar2010-05-131-8/+9
| | | | | | simplifies layout. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103710 91177308-0d34-0410-b5e6-96231b3b80d8
* MC: Add MCAsmLayout::FragmentReplaced() helper function.Daniel Dunbar2010-05-131-4/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103709 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix -Asserts warning.Daniel Dunbar2010-05-131-4/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103697 91177308-0d34-0410-b5e6-96231b3b80d8
* MC: Eliminate MCSectionData::{,Address,File}Size, which can now be computed byDaniel Dunbar2010-05-131-42/+28
| | | | | | utility functions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103695 91177308-0d34-0410-b5e6-96231b3b80d8
* MC: Switch to using explicit MCAlignFragments with OnlyAlignAddress bit insteadDaniel Dunbar2010-05-131-22/+31
| | | | | | | | of manually doing padding/editing layout in LayoutSection(). - This probably seems like six-of-one and half-dozen of another, but there is a method to my madness. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103693 91177308-0d34-0410-b5e6-96231b3b80d8
* MC: Add MCAlignFragment::OnlyAlignAddress bit. This is a bit of magic that ↵Daniel Dunbar2010-05-131-1/+17
| | | | | | says the align fragment shouldn't contribute to the logical section size, it is will be used for cleaning up the code to handle section alignment. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103690 91177308-0d34-0410-b5e6-96231b3b80d8
* MC: Add MCSectionData::AddressSize, which is the size of the address space ↵Daniel Dunbar2010-05-131-6/+15
| | | | | | consumed by the section. This can differ from both the section logical size, and the section size on disk (although the current code handles this without making an explicit distinction). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103689 91177308-0d34-0410-b5e6-96231b3b80d8
* fix rdar://7965971 and a fixme: use ParseIdentifier inChris Lattner2010-05-131-13/+9
| | | | | | | | | | ParseDirectiveDarwinZerofill instead of hard coding the check for identifier. This allows quoted symbol names to be used. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103682 91177308-0d34-0410-b5e6-96231b3b80d8
* MC: Move MCAlignFragment::EmitNops value out of the constructor.Daniel Dunbar2010-05-122-7/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103665 91177308-0d34-0410-b5e6-96231b3b80d8
* MC: Eliminate MCZeroFillFragment, it is no longer needed.Daniel Dunbar2010-05-122-24/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103664 91177308-0d34-0410-b5e6-96231b3b80d8
* MC: Explicitly check that only virtual fragments appear in virtual sections.Daniel Dunbar2010-05-121-0/+23
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103663 91177308-0d34-0410-b5e6-96231b3b80d8
* MC: Switch MCFillFragment to storing total fill size instead of a count. ↵Daniel Dunbar2010-05-121-3/+3
| | | | | | This allows using ValueSize==0 to represent a virtual fill. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103662 91177308-0d34-0410-b5e6-96231b3b80d8
* MC: Drop support for alignment in ZeroFill fragment, we can just useDaniel Dunbar2010-05-122-12/+10
| | | | | | MCAlignFragments for this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103661 91177308-0d34-0410-b5e6-96231b3b80d8
* Simplify.Daniel Dunbar2010-05-121-5/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103651 91177308-0d34-0410-b5e6-96231b3b80d8
* MC: Factor out MCAssembler::LayoutFragmentDaniel Dunbar2010-05-121-74/+78
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103649 91177308-0d34-0410-b5e6-96231b3b80d8
* MC: Tweak section layout to not relying on accumulating address value.Daniel Dunbar2010-05-121-7/+13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103648 91177308-0d34-0410-b5e6-96231b3b80d8
* MC: Simplify LayoutSection to just take the index of the section to layout.Daniel Dunbar2010-05-121-18/+16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103627 91177308-0d34-0410-b5e6-96231b3b80d8
* MC: Track section layout order explicitly, and use to simplify.Daniel Dunbar2010-05-121-31/+15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103616 91177308-0d34-0410-b5e6-96231b3b80d8
* stylistic change to MCSectionCOFF::PrintSwitchToSection COMDAT handlingNathan Jeffords2010-05-121-7/+7
| | | | | | Made a stylistic changed to the code/comments related to the unsupported COMDAT selection type IMAGE_COMDAT_SELECT_LARGEST based on from Anton Korobeynikov. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103590 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for movi32 of global values to the new (MC) asm printer.Rafael Espindola2010-05-121-1/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103576 91177308-0d34-0410-b5e6-96231b3b80d8
* updated support for the COFF .linkonceNathan Jeffords2010-05-121-0/+26
| | | | | | Now, the .linkonce directive is emitted as part of MCSectionCOFF::PrintSwitchToSection instead of AsmPrinter::EmitLinkage since it is an attribute of the section the symbol was placed into not the symbol itself. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103568 91177308-0d34-0410-b5e6-96231b3b80d8
* MC/Mach-O/x86_64: Add a new hook for checking whether a particular section canDaniel Dunbar2010-05-121-0/+6
| | | | | | | | be diced into atoms, and adjust getAtom() to take this into account. - This fixes relocations to symbols in fixed size literal sections, for example. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103532 91177308-0d34-0410-b5e6-96231b3b80d8
* MC/Mach-O/x86_64: Fix PCrel adjustment for x86_64, which was using the fixupDaniel Dunbar2010-05-111-1/+2
| | | | | | offset instead of the fixup address as intended. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103527 91177308-0d34-0410-b5e6-96231b3b80d8
* MC/Mach-O: As Kevin pointed out, 'Address' is really an offset -- rename to ↵Daniel Dunbar2010-05-111-11/+11
| | | | | | clarify. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103526 91177308-0d34-0410-b5e6-96231b3b80d8
* MC/Mach-O: Fix a crash on invalid.Daniel Dunbar2010-05-111-1/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103525 91177308-0d34-0410-b5e6-96231b3b80d8
* MC/Mach-O x86_64: Switch to using fragment atom symbol.Daniel Dunbar2010-05-111-37/+6
| | | | | | | | | - This eliminates getAtomForAddress() (which was a linear search) and simplifies getAtom(). - This also fixes some correctness problems where local labels at the same address as non-local labels could be assigned to the wrong atom. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103480 91177308-0d34-0410-b5e6-96231b3b80d8
* MC/Mach-O: Fix another mismatch with .weak_definition, we shouldn't use aDaniel Dunbar2010-05-101-9/+15
| | | | | | scattered relocation entry with a .weak_definition. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103443 91177308-0d34-0410-b5e6-96231b3b80d8
* MC/Mach-O: Factor out doesSymbolRequireExternRelocation.Daniel Dunbar2010-05-101-10/+20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103442 91177308-0d34-0410-b5e6-96231b3b80d8
* MC/Mach-O: Explicitly track atoms, as represented by their defining symbol, ↵Daniel Dunbar2010-05-102-13/+37
| | | | | | for each fragment (not yet used). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103438 91177308-0d34-0410-b5e6-96231b3b80d8
* test commit, added a comment to MCSectionCOFF::PrintSwitchToSection functionNathan Jeffords2010-05-091-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103372 91177308-0d34-0410-b5e6-96231b3b80d8
* break coff symbol definition stuff out into proper MCStreamer callbacks,Chris Lattner2010-05-083-1/+42
| | | | | | | patch by Nathan Jeffords! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103346 91177308-0d34-0410-b5e6-96231b3b80d8
* add COFF support for COMDAT sections, patch by Nathan Jeffords!Chris Lattner2010-05-072-5/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103304 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix i386 relocations to Weak Definitions. The relocation entries should beKevin Enderby2010-05-072-20/+13
| | | | | | | | external and the item to be relocated should not have the address of the symbol added in. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103302 91177308-0d34-0410-b5e6-96231b3b80d8
* Update CMake build.Ted Kremenek2010-05-071-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103269 91177308-0d34-0410-b5e6-96231b3b80d8
* switch MCSectionCOFF from a syntactic to semantic representation,Chris Lattner2010-05-073-28/+69
| | | | | | | patch by Peter Housel! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103267 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r103137, fix for $ in labels. It looks like we can't actually handle thisDaniel Dunbar2010-05-061-16/+7
| | | | | | | | | | | | at the token level. Consider the following horrible test case: a = 1 .globl $a movl ($a), %eax movl $a, %eax movl $$a, %eax git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103178 91177308-0d34-0410-b5e6-96231b3b80d8
* fix rdar://7946934 - in some limited cases, the assembler shouldChris Lattner2010-05-051-7/+16
| | | | | | | | allow $ at the start of a symbol name. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103137 91177308-0d34-0410-b5e6-96231b3b80d8
* MC/Mach-O: Mark absolute variable's appropriately, and add Mach-O support forDaniel Dunbar2010-05-054-4/+6
| | | | | | | writing them. - <rdar://problem/7885351> integrated assembler broken for i386 objc code git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103112 91177308-0d34-0410-b5e6-96231b3b80d8
* MC: Reject attempts to define a variable symbol.Daniel Dunbar2010-05-053-9/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103111 91177308-0d34-0410-b5e6-96231b3b80d8
* MC: Make setVariableValue check the redefinition condition a bit more strongly.Daniel Dunbar2010-05-051-0/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103110 91177308-0d34-0410-b5e6-96231b3b80d8
* MC: Rename MCSymbol::{g,s}etValue -> MCSymbol::{g,s}etVariableValue.Daniel Dunbar2010-05-054-6/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103095 91177308-0d34-0410-b5e6-96231b3b80d8
* MC/Mach-O/x86_64: Relocations in debug sections should use local relocationsDaniel Dunbar2010-05-051-0/+11
| | | | | | | when possible. - <rdar://problem/7934873> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103092 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc: Fix case were we would skip a line in the .s file after an instructionDaniel Dunbar2010-05-042-27/+28
| | | | | | | | match failure. Also, fixes a few memory leak FIXMEs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102986 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for assemblers that don't support periods in a nameMon P Wang2010-04-291-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102594 91177308-0d34-0410-b5e6-96231b3b80d8
* refactor .if handling code a bit.Chris Lattner2010-04-171-52/+23
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101659 91177308-0d34-0410-b5e6-96231b3b80d8
* implement mc asmparser support for '.', which gets theChris Lattner2010-04-142-0/+17
| | | | | | | | | | | | | | | | | | | | | current PC. rdar://7834775 We now produce an identical .o file compared to the cctools assembler for something like this: _f0: L0: jmp L1 .long . - L0 L1: jmp A .long . - L1 .zerofill __DATA,_bss,A,0 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101227 91177308-0d34-0410-b5e6-96231b3b80d8
* move elf section uniquing to MCContext. Along the wayChris Lattner2010-04-083-67/+99
| | | | | | | merge XCore's section into MCSectionELF git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100812 91177308-0d34-0410-b5e6-96231b3b80d8
* move macho section uniquing from MCParser and TLOF to MCContext whereChris Lattner2010-04-082-58/+63
| | | | | | | | | the compiler and asmparser now unique to the same sections. This fixes rdar://7835021. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100807 91177308-0d34-0410-b5e6-96231b3b80d8
* Various MSVC warning fixes about truncated 64 bit shifts and const pointers ↵Benjamin Kramer2010-04-081-2/+2
| | | | | | passed to free. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100767 91177308-0d34-0410-b5e6-96231b3b80d8
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