[Lldb-commits] [PATCH] UnwindPlan::Row refactor -- add support for CFA set by a DWARF expression

[Pavel Labath]

Hi jasonmolenda, clayborg,

This change refactors UnwindPlan::Row to be able to store the fact that the CFA is value is set
by evaluating a dwarf expression (DW_CFA_def_cfa_expression). This is achieved by creating a new
class CFAValue and moving all CFA setting/getting code there. Note that code using the new
CFAValue::isDWARFExpression is not yet present and will be added in a follow-up patch. Therefore,
this patch should not change the functionality in any way.

http://reviews.llvm.org/D7755

Files:
  include/lldb/Symbol/UnwindPlan.h
  source/Plugins/ABI/MacOSX-arm/ABIMacOSX_arm.cpp
  source/Plugins/ABI/MacOSX-arm64/ABIMacOSX_arm64.cpp
  source/Plugins/ABI/MacOSX-i386/ABIMacOSX_i386.cpp
  source/Plugins/ABI/SysV-hexagon/ABISysV_hexagon.cpp
  source/Plugins/ABI/SysV-ppc/ABISysV_ppc.cpp
  source/Plugins/ABI/SysV-ppc64/ABISysV_ppc64.cpp
  source/Plugins/ABI/SysV-x86_64/ABISysV_x86_64.cpp
  source/Plugins/Instruction/ARM/EmulateInstructionARM.cpp
  source/Plugins/Instruction/ARM64/EmulateInstructionARM64.cpp
  source/Plugins/Process/Utility/RegisterContextLLDB.cpp
  source/Plugins/UnwindAssembly/InstEmulation/UnwindAssemblyInstEmulation.cpp
  source/Plugins/UnwindAssembly/x86/UnwindAssembly-x86.cpp
  source/Symbol/CompactUnwindInfo.cpp
  source/Symbol/DWARFCallFrameInfo.cpp
  source/Symbol/UnwindPlan.cpp

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