* gdb.base/sizeof.exp: Skip test when no inferior I/O.
(check_sizeof, check_valueof): Do not include the output in the
test name. Use gdb_test.
(get_valueof): Use gdb_test_multiple.
* gdb.base/gcore.exp (capture_command_output): Delete the always
passing tests containing inferior values.
* gdb.base/ending-run.exp: Do not include the breakpoint address
in the test message. Update copyright.
* gdb.base/sizeof.exp (check_sizeof): Do not include the type's
size in the test name, use gdb_test_multiple. Update copyright.
signed, unsigned and straight char.
(padding_char, padding_short, padding_int, padding_long,
padding_long_long, padding_float, padding_double,
padding_long_double): New global variables.
(fill, fill_structs): New functions.
* gdb.base/sizeof.exp: Check for signed and unsigned char. Check
for correctly sized writes. Update copyright.
(get_valueof): New procedure.
(get_sizeof): Call get_valueof.
(check_valueof): New procedure.
(check_padding): New procedure.
* lib/gdb.exp (gdb_skip_float_test): New proc. Skip test if
no floating point support.
(gdb_skip_stdio_test): New proc. Skip test if no stdio support.
* gdb.base/call-ar-st.exp: Use above procs to skip tests.
* gdb.base/call-rt-st.exp: Ditto.
* gdb.base/call-strs.exp: Ditto.
* gdb.base/sizeof.exp (check_sizeof): Skip if no printf support.
* gdb.base/varargs.exp: Skip entire test if no printf support.
* gdb.base/ending-run.exp (Step to return): Skip if no printf supt.
* gdb.base/shlib-call.exp: Skip several tests if no printf support.