41e170e271
* gdbserver/remote-gutils.c: Remove lots of unused functions and variables. * gdbserver/remote-inflow.c: Remove lots of unused variables and #includes. Also, use PTRACE_* symbols instead of constants. (mywait): Surround calls to wait() with enable/disable_async_io() so that we can be interrupted from GDB while waiting for the child. Also, handle child exit more gracefully. * gdbserver/remote-server.c: Remove lots of unused variables. Move all extern defs into server.h. Redo main loop so that failure from getpkt() causes communications to be re-established. Fix 'k' command so that it restarts the child. * gdbserver/remote-utils.c: Remove lots of unloved vars and subrs. Move many extern decls into server.h. (remote_open): For tcp, seperate usage of proto fd from connected fd. Close proto fd after getting connection. (putpkt/getpkt): Pay attention to errors when reading/writing. Report these to the caller. New routines input_interrupt/enable_async_io/disable_async_io to make it possible to get an I/O interrupt when data arrives from the comm link. * serial.h: New file to contain common defs for all remote files.
83 lines
2.2 KiB
C
83 lines
2.2 KiB
C
/* General utility routines for the remote server for GDB.
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Copyright (C) 1986, 1989, 1993 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#include "server.h"
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#include <stdio.h>
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/* Generally useful subroutines used throughout the program. */
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/* Print the system error message for errno, and also mention STRING
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as the file name for which the error was encountered.
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Then return to command level. */
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void
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perror_with_name (string)
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char *string;
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{
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extern int sys_nerr;
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extern char *sys_errlist[];
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extern int errno;
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char *err;
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char *combined;
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if (errno < sys_nerr)
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err = sys_errlist[errno];
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else
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err = "unknown error";
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combined = (char *) alloca (strlen (err) + strlen (string) + 3);
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strcpy (combined, string);
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strcat (combined, ": ");
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strcat (combined, err);
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error ("%s.", combined);
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}
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/* Print an error message and return to command level.
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STRING is the error message, used as a fprintf string,
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and ARG is passed as an argument to it. */
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NORETURN void
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error (string, arg1, arg2, arg3)
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char *string;
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int arg1, arg2, arg3;
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{
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extern jmp_buf toplevel;
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fflush (stdout);
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fprintf (stderr, string, arg1, arg2, arg3);
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fprintf (stderr, "\n");
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longjmp(toplevel, 1);
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}
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/* Print an error message and exit reporting failure.
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This is for a error that we cannot continue from.
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STRING and ARG are passed to fprintf. */
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void
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fatal (string, arg)
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char *string;
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int arg;
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{
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fprintf (stderr, "gdb: ");
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fprintf (stderr, string, arg);
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fprintf (stderr, "\n");
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exit (1);
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}
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