[0/4] RFC: add DWARF index support

[Tom Tromey]

>>>>> "Doug" == Doug Evans <dje@google.com> writes:

Doug> What happens if gdb exits with a non-zero exit code but still happens
Doug> to leave a .gdb-index for the `if' to find?

I don't think this can happen.

Doug> What happens if objcopy exits with a non-zero exit code?
Doug> What happens if the script is invoked with none or too many arguments?

I will fix these up.

Tom