gdb/gdbserver/mem-break.h

   1 /* Memory breakpoint interfaces for the remote server for GDB.
   2    Copyright (C) 2002, 2005, 2007 Free Software Foundation, Inc.
   3
   4    Contributed by MontaVista Software.
   5
   6    This file is part of GDB.
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 51 Franklin Street, Fifth Floor,
  21    Boston, MA 02110-1301, USA.  */
  22
  23 #ifndef MEM_BREAK_H
  24 #define MEM_BREAK_H
  25
  26 /* Breakpoints are opaque.  */
  27
  28 /* Create a new breakpoint at WHERE, and call HANDLER when
  29    it is hit.  */
  30
  31 void set_breakpoint_at (CORE_ADDR where,
  32                         void (*handler) (CORE_ADDR));
  33
  34 /* Delete a breakpoint previously inserted at ADDR with
  35    set_breakpoint_at.  */
  36
  37 void delete_breakpoint_at (CORE_ADDR addr);
  38
  39 /* Create a reinsertion breakpoint at STOP_AT for the breakpoint
  40    currently at STOP_PC (and temporarily remove the breakpoint at
  41    STOP_PC).  */
  42
  43 void reinsert_breakpoint_by_bp (CORE_ADDR stop_pc, CORE_ADDR stop_at);
  44
  45 /* Change the status of the breakpoint at WHERE to inserted.  */
  46
  47 void reinsert_breakpoint (CORE_ADDR where);
  48
  49 /* Change the status of the breakpoint at WHERE to uninserted.  */
  50
  51 void uninsert_breakpoint (CORE_ADDR where);
  52
  53 /* See if any breakpoint claims ownership of STOP_PC.  Call the handler for
  54    the breakpoint, if found.  */
  55
  56 int check_breakpoints (CORE_ADDR stop_pc);
  57
  58 /* See if any breakpoints shadow the target memory area from MEM_ADDR
  59    to MEM_ADDR + MEM_LEN.  Update the data already read from the target
  60    (in BUF) if necessary.  */
  61
  62 void check_mem_read (CORE_ADDR mem_addr, unsigned char *buf, int mem_len);
  63
  64 /* See if any breakpoints shadow the target memory area from MEM_ADDR
  65    to MEM_ADDR + MEM_LEN.  Update the data to be written to the target
  66    (in BUF) if necessary, as well as the original data for any breakpoints.  */
  67
  68 void check_mem_write (CORE_ADDR mem_addr, unsigned char *buf, int mem_len);
  69
  70 /* Set the byte pattern to insert for memory breakpoints.  This function
  71    must be called before any breakpoints are set.  */
  72
  73 void set_breakpoint_data (const unsigned char *bp_data, int bp_len);
  74
  75 /* Delete all breakpoints.  */
  76
  77 void delete_all_breakpoints (void);
  78
  79 #endif /* MEM_BREAK_H */