* Stop hard-coding a value for beginning of emitted code on Sparc since we can   now handle far calls (i.e., beyond the 30-bit limit in call instructions). * As a side-effect, this allows us to unify and clean up the mmap() call and   code around it.
* Stop hard-coding a value for beginning of emitted code on Sparc since we can
  now handle far calls (i.e., beyond the 30-bit limit in call instructions).
* As a side-effect, this allows us to unify and clean up the mmap() call and
  code around it.


git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@7381 91177308-0d34-0410-b5e6-96231b3b80d8

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