* dbxread.c (process_one_symbol): Parse N_OPT "gcc2_compiled.".
* procfs.c (proc_set_exec_trap): Set run-on-last-close flag on
child processes, to avoid dead ones "hanging around" after GDB exits.
(attach): Always stop the process if it needs it. Set RLC flag
when attaching running processes, so it will continue if we detach
it, quit, or are killed.
(detach): Clear faults and set RLC flag to make process run
when we close it.
(open_proc_file): New `mode' argument for O_RDONLY or O_RDWR.
Callers changed.
(info_proc): Open process O_RDONLY, so we can see any process,
even those controlled by debuggers.
* tm-sun4sol2.h (SUN_FIXED_LBRAC_BUG): They did (in Sol 2).
* buildsym.c (read_sun_builtin_type, read_sun_floating_type): New.
(define_symbol): Skip arg types in function entries. Resolve
overloaded 'P' which acc uses for prototypes of functions called
by this file.
(read_type: 'b', 'r'): Handle Solaris2 builtin types.
* minsyms.c (prim_record_minimal_symbol_and_info): Hack to
save size of ELF symbols. FIXME.
* tm-sun4os5.h: Rename to tm-sun4sol2.h. Update defines for Sol2.
* xm-sun4os5.h: Rename to xm-sun4sol2.h. Hack more defines.
* config/sun4os5.m[ht]: Rename to config/sun4sol2.m[ht]; new xm, tm.
