add elf_sld that loads section contents flat ino memory
produce all the 32/64 rules van zelf
first approximate on dwarf parse with line-vm borrowed from opebsd/ddb
make it work so far only mips64 tested
some more defines
parse pubnames index that is to resolve addr to a function name
support -f
parse pubnames index that is to resolve addr to a function name
Merge remote-tracking branch 'upstream/master'

Conflicts:
	libelf/Makefile
	libelf/elfswap.h