Re: Patches to gdb/go32-nat.c

[DJ Delorie <dj@delorie.com>]

Applied, sorry for the delay.

> The following patches to go32-nat.c correct quite a few problems in
> the DJGPP version.
> 
> 1999-06-26  Eli Zaretskii  <eliz@is.elta.co.il>
> 
> 	* go32-nat.c (redir_cmdline_parse, redir_cmdline_delete,
> 	redir_to_child, redir_to_debugger, redir_debug_init)
> 	[__DJGPP_MINOR__ < 3]: Dummy stubs for redirecting debuggee's
> 	standard handles.
> 	(print_387_status): Print "last FP instruction", not "last
> 	exception".  Restore the upper 5 bits of the opcode that aren't
> 	stored in the FPU state.  Print the FPU stack in its physical
> 	order, not relative to ST(0).  Print "special", not "trap" for
> 	unnormals and infinities.  Print all 10 bytes of each FP register,
> 	and print them with 19 significant digits.
> 	(regno_mapping): Make the mapping consistent with tm-go32.h.
> 	(sig_map): Add mappings for SIGQUIT, SIGFPE, SIGALRM.  Map NMI to
> 	SIGBUS.
> 	(excep_map): New variable, maps GDB signals to DJGPP exceptions.
> 	(go32_attach): Signal an error: we cannot attach to other
> 	processes.
> 	(go32_resume): Record the signal with which the inferior should be
> 	resumed, mapped to the DJGPP exception number.
> 	(go32_wait): Pass the signal recorded in go32_resume to the
> 	debuggee.  Save and restore debugger's and debuggee's current
> 	working directory.
> 	[__DJGPP_MINOR__ < 3]: Save and restore inferior's FPU state.
> 	(store_register): FPU regsiters have numbers less than 31.
> 	(go32_kill_inferior): Delete the parsed command-line storage.
> 	(go32_create_inferior): Initialize the parsed command-line
> 	storage.  Parse the command line and create the redirections for
> 	inferior's standard handles.
> 	[__DJGPP_MINOR__ < 3]: Init the inferior's FPU state.
> 	(ignore2): Function deleted.
> 	(device_mode): New function, switches a character device between
> 	raw and cooked mode.
> 	(go32_terminal_init): Invalidate the raw/cooked mode information.
> 	(go32_terminal_info): Print whether the inferior's terminal is in
> 	raw or cooked mode.
> 	[__DJGPP_MINOR__ > 2]: Say if standard handles are redirected or
> 	closed by the inferior.
> 	(go32_terminal_inferior): Switch standard handles to the
> 	inferior's files/devices.  Put the inferior's input device to
> 	raw/cooked mode, exactly like we found it last time.
> 	(go32_terminal_ours): Restore debugger's standard handles and put
> 	the terminal into cooked mode.  Save the mode of inferior's input
> 	device.
> 	(init_go32_ops): Assign go32_ops.to_attach,
> 	go32_ops.to_terminal_info, go32_ops.to_terminal_ours_for_output.
> 	Initialize inferior's cwd and the command-line storage.