Remove the advertising clause in the UCB license which Berkeley
rescinded 22 July 1999. Proofed by myself and Theo.

Split out symbol handling into a separate file.
Implement symbol handling for ELF (based on FreeBSD).
Implement dummy support for alpha, hppa, powerpc and sparc64.

Tested during the last 2 months on

Split out symbol handling into a separate file.
Implement symbol handling for ELF (based on FreeBSD).
Implement dummy support for alpha, hppa, powerpc and sparc64.

Tested during the last 2 months on various archs (never comitted because
other stuff got in the way).
Some fixups to i386 support from mickey@

This lets us switch all elf archs to this gprof.

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