CVS commit: src/sys/arch/sparc/include

["Kamil Rytarowski" <kamil%netbsd.org@localhost>]

Module Name:    src
Committed By:   kamil
Date:           Sat Feb 17 15:22:22 UTC 2018

Modified Files:
        src/sys/arch/sparc/include: mcontext.h

Log Message:
Improve _UC_MACHINE_FP() for SPARC/SPARC64

Introduce a static inline function _uc_machine_fp() that contains improved
caluclation of a frame pointer.

Algorithm:

  uptr *stk_ptr;
#  if defined (__arch64__)
  stk_ptr = (uptr *) (*sp + 2047);
#  else
  stk_ptr = (uptr *) *sp;
#  endif
  *bp = stk_ptr[15];

Noted by <mrg>


To generate a diff of this commit:
cvs rdiff -u -r1.14 -r1.15 src/sys/arch/sparc/include/mcontext.h

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.