?? low-xcopilot.c
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/* Low level interface to xcopilot, for the remote server for GDB. Copyright (C) 1986, 1987, 1993 Free Software Foundation, Inc.Ported to xcopilot by D Jeff DionneThis file is part of GDB.This program is free software; you can redistribute it and/or modifyit under the terms of the GNU General Public License as published bythe 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 ofMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See theGNU General Public License for more details.You should have received a copy of the GNU General Public Licensealong with this program; if not, write to the Free SoftwareFoundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *///#include <stdio.h>//#include "server.h"#include <stdio.h>#include <sys/types.h>#include <sys/stat.h>#include <fcntl.h>#include "server.h"#include "config.h"#include "sysdeps.h"#include "shared.h"#include "memory.h"#include "custom.h"#include "newcpu.h"int quit_flag = 0;int registers[18];/* attach to a process, specified by it's pid */intcreate_inferior (int pid){ return 1;}/* Kill the inferior process. Make us have no inferior. */voidkill_inferior (){}/* Wait for process, returns status */unsigned charmywait (status) char *status;{ /* wait until target stops */ fetch_inferior_registers (0); *status = 'T'; /* return ((unsigned char) WSTOPSIG (w)); */ return 5;}/* Resume execution of the inferior process. If STEP is nonzero, single-step it. If SIGNAL is nonzero, give it that signal. */voidmyresume (step, signal) int step; int signal;{ /* make go! */}/* Fetch one or more registers from the inferior. REGNO == -1 to get them all. We actually fetch more than requested, when convenient, marking them as valid so we won't fetch them again. */voidfetch_inferior_registers (ignored) int ignored;{ /* into registers[] */}voidstore_inferior_registers (ignored) int ignored;{ int i; for (i=0; i<8; i++) (Shptr->regs).d[i] = ntohl(registers[0 + i]); for (i=0; i<8; i++) (Shptr->regs).a[i] = ntohl(registers[8 + i]);// ps = ntohl (registers[16]);// pc = ntohl (registers[17]);}/* Copy LEN bytes from inferior's memory starting at MEMADDR to debugger memory starting at MYADDR. */voidread_inferior_memory (memaddr, myaddr, len) char *memaddr; char *myaddr; int len;{ char a; //tanghao while (len--) { a=get_byte(memaddr); //tanghao fprintf(stderr, "address:%x:=%x ",memaddr,a);//tanghao *(myaddr++) = get_byte(memaddr++); }}/* Copy LEN bytes of data from debugger memory at MYADDR to inferior's memory at MEMADDR. On failure (cannot write the inferior) returns the value of errno. */intwrite_inferior_memory (memaddr, myaddr, len) char *memaddr; char *myaddr; int len;{ char a; fprintf(stderr, "here to write_inferior_memory,and len=%x\n",len);//tanghao while (len--) { fprintf(stderr, "write :memaddr=%x:*myaddr%x ",memaddr,*myaddr); //tanghao// put_byte(*(myaddr++), memaddr++); //it was wrong,before. put_byte(memaddr++, *(myaddr++)); } return 0;} voidinitialize (){ inferior_pid = 0;}inthave_inferior_p (){ return inferior_pid != 0;}
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