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* Use a reference. Don't make a useless copy of the vector.Bill Wendling2011-06-231-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133707 91177308-0d34-0410-b5e6-96231b3b80d8
* Formatting changes. No functionality change.Bill Wendling2011-06-231-32/+30
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* Use the presence of the __compact_unwind section to indicate that a targetBill Wendling2011-06-231-1/+1
| | | | | | | supports compact unwind info instead of having a separate flag indicating this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133685 91177308-0d34-0410-b5e6-96231b3b80d8
* Some skeleton code to emit the compact unwind. If the information is unable toBill Wendling2011-06-231-1/+63
| | | | | | | be emitted in a compact way, we then default to emitting a CIE and FDE. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133676 91177308-0d34-0410-b5e6-96231b3b80d8
* Directly print to a raw_ostream instead of printing to a buffer first.Benjamin Kramer2011-06-181-4/+1
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* No reason not to allow defining the CFA as a reg w/ offset zero.Jim Grosbach2011-05-201-2/+0
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* Avoid a gcc warning.Rafael Espindola2011-05-101-1/+2
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* On MachO, unlike ELF, there should be no relocation to produce the CIE pointer.Rafael Espindola2011-05-101-8/+17
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* The EH symbols are only needed in eh_frame, not debug_frame.Rafael Espindola2011-05-101-2/+2
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* In a debug_frame the cfi offset is to the start of the debug_frame section!Rafael Espindola2011-05-101-3/+7
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* Add support for producing .deubg_frame sections.Rafael Espindola2011-05-101-45/+59
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* Small cleanups.Rafael Espindola2011-05-101-8/+5
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* Remove unused argument.Rafael Espindola2011-05-101-12/+4
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* Eliminate an unused line to fix a warning.NAKAMURA Takumi2011-05-081-1/+0
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* Don't force relaxation of AdvanceLoc instructions on OS X. gdb is happy withRafael Espindola2011-05-081-11/+5
| | | | | | | the smaller encoding and this cuts 270336 bytes from a release version of clang and 1246272 bytes from a debug build. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131067 91177308-0d34-0410-b5e6-96231b3b80d8
* Switch Darwin to the generic CIE/FDE printer.Rafael Espindola2011-05-061-64/+0
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* MCDwarf: Don't save Twine to local variable, this is almost never safe to doDaniel Dunbar2011-05-031-2/+2
| | | | | | | (and should thus never be done). - Should fix a crash on win32. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130793 91177308-0d34-0410-b5e6-96231b3b80d8
* GCC uses a different encoding of pointers in the FDE when usingRafael Espindola2011-05-011-8/+12
| | | | | | -fno-dwarf2-cfi-asm. Implement the same behavior. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130637 91177308-0d34-0410-b5e6-96231b3b80d8
* Simplify the handling of pcrel relocations on ELF. Now we do the right thingRafael Espindola2011-05-011-11/+6
| | | | | | | | | | for all symbol differences and can drop the old EmitPCRelSymbolValue method. This also make getExprForFDESymbol on ELF equal to the one on MachO, and it can be made non-virtual. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130634 91177308-0d34-0410-b5e6-96231b3b80d8
* Avoid some uses of .uleb128. This is a small speedup and more importantlyRafael Espindola2011-04-291-17/+22
| | | | | | | lets this code be used when producing assembly code for old assemblers without uleb support. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130544 91177308-0d34-0410-b5e6-96231b3b80d8
* Last bit by bit compatibility patch to MCDwarf.cpp: If a FDE with no LSDA isRafael Espindola2011-04-291-5/+20
| | | | | | assigned to a CIE that requires one, just output a 0. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130472 91177308-0d34-0410-b5e6-96231b3b80d8
* Add an alternative implementation of CIE and FDE emission that outputs themRafael Espindola2011-04-291-0/+58
| | | | | | in the same order as the one in CodeGen. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130471 91177308-0d34-0410-b5e6-96231b3b80d8
* Add the getExprForFDESymbol method that responsible for computing theRafael Espindola2011-04-281-12/+9
| | | | | | expressions used in the FDE to refer to symbols. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130437 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a getExprForPersonalitySymbol method to MCAsmInfo. Use it whenRafael Espindola2011-04-281-1/+14
| | | | | | converting the symbol passed to .cfi_personality into bytes is the file. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130400 91177308-0d34-0410-b5e6-96231b3b80d8
* Mark the EH symbol global or weak if the corresponding function is.Rafael Espindola2011-04-281-0/+1
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* Add a small temporary hack for producing identical eh_frame sections on OS X.Rafael Espindola2011-04-281-5/+12
| | | | | | | This removes one of the main advantages of moving eh_frame to MC, but makes the transition a lot easier to debug (run md5). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130379 91177308-0d34-0410-b5e6-96231b3b80d8
* Produce the EH_frame# symbols if needed.Rafael Espindola2011-04-281-2/+11
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* Forward isFunctionEHFrameSymbolPrivate. If it is false, produce the foo.ehRafael Espindola2011-04-281-0/+7
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* Force some values to be absolute and align based on the FDE pointers size. A ↵Rafael Espindola2011-04-271-6/+6
| | | | | | | | small step towards using .cfi_* on OS X. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130273 91177308-0d34-0410-b5e6-96231b3b80d8
* Delete the other unused variable in this function. Sorry I missed thisChandler Carruth2011-04-221-1/+0
| | | | | | the first time through. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129969 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove an unused variable from a function. This is a likely cut-paste-o.Chandler Carruth2011-04-221-1/+0
| | | | | | | | Silences GCC warning. I wonder why Clang doesn't warn on this... git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129968 91177308-0d34-0410-b5e6-96231b3b80d8
* Compute the size of the FDE encoding instead of hard coding it. UpdateRafael Espindola2011-04-221-15/+20
| | | | | | X8664_ELFTargetObjectFile::getFDEEncoding to match reality. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129959 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unused argument.Rafael Espindola2011-04-211-2/+2
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* Don't pass address spaces to EmitULEB128IntValue.Rafael Espindola2011-04-211-3/+3
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* Remove LastOffset from the asm parser.Rafael Espindola2011-04-121-2/+6
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* Fix the case of a .cfi_rel_offset before any .cfi_def_cfa_offset.Rafael Espindola2011-04-121-71/+103
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* Implement .cfi_same_value.Rafael Espindola2011-04-121-0/+6
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* Rename TargetFrameInfo into TargetFrameLowering. Also, put couple of FIXMEs ↵Anton Korobeynikov2011-01-101-1/+1
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* Make a bunch of symbols internal.Benjamin Kramer2010-12-301-18/+17
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* Correctly encode pcrel|indirect.Rafael Espindola2010-12-291-2/+1
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* Fix bug when trying to output uint16_t or uint32_t.Rafael Espindola2010-12-291-2/+9
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* Implement cfi_def_cfa. Also don't convert to dwarf reg numbers twice. LooksRafael Espindola2010-12-291-14/+25
| | | | | | like 6 is a fixed point of that and so the previous tests were OK :-) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122614 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't produce a "DW_CFA_advance_loc 0".Rafael Espindola2010-12-281-1/+2
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* Implement .cfi_remember_state and .cfi_restore_state.Rafael Espindola2010-12-281-42/+68
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* Fix warning about size potentially being used uninitializedDuncan Sands2010-12-281-1/+0
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* Relax address updates in the eh_frame section.Rafael Espindola2010-12-281-6/+28
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* Start adding basic support for emitting the call frame instructions.Rafael Espindola2010-12-281-1/+5
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* Add support for .cfi_lsda.Rafael Espindola2010-12-271-45/+114
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* Add support for the same encodings of the personality function that gnu asRafael Espindola2010-12-271-6/+45
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* Fix .cfi_personality on 32 bit systems.Rafael Espindola2010-12-261-1/+1
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