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May 2013 GNU Toolchain Update

Hi Guys,

  Strangely it has been a rather quiet month as far as new developments in the GNU toolchain goes.  The highlights are:

  * The BINUTILS now have support for the Altera Nios II architecture and the MSP430X extension to the TI MSP430 architecture.

  * GAS has a new command line: --gdwarf-sections which enables the per-code-section generation of DWARF .debug_line sections.  The point of this is that when it is combined with GCC's -ffunction-sections command line option and the linker's --gc-sections command line option redundant line number information is eliminated.  This is good for GDB which sometimes gets confused when it encounters line number information for sections of code which do not exist, and it helps to reduce the size of the overall debug information.
  
  * GCC has a new command line option: -fstack-protector-strong.  This is similar to -fstack-protector except that it adds the protection to more functions.  Specifically it adds protection to functions that use local array definitions, or have references to local frame addresses.

Cheers
  Nick

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