/* Main code for remote server for GDB. Copyright (C) 1989, 1993 Free Software Foundation, Inc. This file is part of GDB. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "server.h" main (argc, argv) int argc; char *argv[]; { char ch, status, own_buf[2000], mem_buf[2000]; int i = 0; unsigned char signal; unsigned int mem_addr, len; if (setjmp(toplevel)) { fprintf(stderr, "Exiting\n"); exit(1); } if (argc < 3) error("Usage: gdbserver tty prog [args ...]"); inferior_pid = create_inferior (argv[2], &argv[2]); fprintf (stderr, "Process %s created; pid = %d\n", argv[2], inferior_pid); signal = mywait (&status); /* Wait till we are at 1st instr in prog */ /* We are now stopped at the first instruction of the target process */ while (1) { remote_open (argv[1]); setjmp(toplevel); while (getpkt (own_buf) > 0) { i = 0; ch = own_buf[i++]; switch (ch) { case '?': prepare_resume_reply (own_buf, status, signal); break; case 'g': convert_int_to_ascii (registers, own_buf, REGISTER_BYTES); break; case 'G': convert_ascii_to_int (&own_buf[1], registers, REGISTER_BYTES); store_inferior_registers (-1); write_ok (own_buf); break; case 'm': decode_m_packet (&own_buf[1], &mem_addr, &len); read_inferior_memory (mem_addr, mem_buf, len); convert_int_to_ascii (mem_buf, own_buf, len); break; case 'M': decode_M_packet (&own_buf[1], &mem_addr, &len, mem_buf); if (write_inferior_memory (mem_addr, mem_buf, len) == 0) write_ok (own_buf); else write_enn (own_buf); break; case 'c': myresume (0, 0); signal = mywait (&status); prepare_resume_reply (own_buf, status, signal); break; case 's': myresume (1, 0); signal = mywait (&status); prepare_resume_reply (own_buf, status, signal); break; case 'k': fprintf (stderr, "Killing inferior\n"); kill_inferior (); inferior_pid = create_inferior (argv[2], &argv[2]); fprintf (stderr, "Process %s created; pid = %d\n", argv[2], inferior_pid); signal = mywait (&status); /* Wait till we are at 1st instr in prog */ break; default: printf ("\nUnknown option chosen by master\n"); write_enn (own_buf); break; } putpkt (own_buf); } /* We come here when getpkt fails. Close the connection, and re-open it at the top of the loop. */ fprintf (stderr, "Remote side has terminated connection. GDBserver will reopen the connection.\n"); remote_close (); } }