IABSD.fr/src

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• Author : gkoehler
  Date : 2020-11-28 19:49:30
  Hash : 15572fcf
  Message : Add retguard to macppc kernel locore.S, ofwreal.S, setjmp.S This changes RETGUARD_SETUP(ffs) to RETGUARD_SETUP(ffs, %r11, %r12) and RETGUARD_CHECK(ffs) to RETGUARD_CHECK(ffs, %r11, %r12) to show that r11 and r12 are in use between setup and check, and to pick registers other than r11 and r12 in some kernel functions. ok mortimer@ deraadt@