David Anderson <anderson@redhat.com>
* gdb.base/bigcore.exp (extract_heap): If the expect "file size"
command fails, assume things will work.
* gdb.base/bigcore.c: Include <sys/stat.h> and <fcntl.h>.
(_GNU_SOURCE): Define.
(print_unsigned, print_hex): Change parameter to "long long".
(print_byte_count): New function, use to print byte counts.
(large_off_t, large_lseek, O_LARGEFILE): Define dependant on
O_LARGEFILE.
(main): Compute an upper bound on a corefile in max_core_size.
Limit memory chunk size to max_core_size. Limit total memory
allocated to max_core_size.