/* Memory breakpoint interfaces for the remote server for GDB.
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/* Memory breakpoint interfaces for the remote server for GDB.
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Copyright (C) 2002, 2005, 2007, 2008 Free Software Foundation, Inc.
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Copyright (C) 2002, 2005, 2007, 2008 Free Software Foundation, Inc.
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Contributed by MontaVista Software.
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Contributed by MontaVista Software.
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This file is part of GDB.
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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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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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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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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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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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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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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef MEM_BREAK_H
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#ifndef MEM_BREAK_H
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#define MEM_BREAK_H
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#define MEM_BREAK_H
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/* Breakpoints are opaque. */
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/* Breakpoints are opaque. */
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/* Create a new breakpoint at WHERE, and call HANDLER when
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/* Create a new breakpoint at WHERE, and call HANDLER when
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it is hit. HANDLER should return 1 if the breakpoint
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it is hit. HANDLER should return 1 if the breakpoint
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should be deleted, 0 otherwise. */
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should be deleted, 0 otherwise. */
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void set_breakpoint_at (CORE_ADDR where,
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void set_breakpoint_at (CORE_ADDR where,
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int (*handler) (CORE_ADDR));
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int (*handler) (CORE_ADDR));
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/* Delete a breakpoint previously inserted at ADDR with
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/* Delete a breakpoint previously inserted at ADDR with
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set_breakpoint_at. */
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set_breakpoint_at. */
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void delete_breakpoint_at (CORE_ADDR addr);
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void delete_breakpoint_at (CORE_ADDR addr);
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/* Create a reinsertion breakpoint at STOP_AT for the breakpoint
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/* Create a reinsertion breakpoint at STOP_AT for the breakpoint
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currently at STOP_PC (and temporarily remove the breakpoint at
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currently at STOP_PC (and temporarily remove the breakpoint at
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STOP_PC). */
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STOP_PC). */
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void reinsert_breakpoint_by_bp (CORE_ADDR stop_pc, CORE_ADDR stop_at);
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void reinsert_breakpoint_by_bp (CORE_ADDR stop_pc, CORE_ADDR stop_at);
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/* Change the status of the breakpoint at WHERE to inserted. */
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/* Change the status of the breakpoint at WHERE to inserted. */
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void reinsert_breakpoint (CORE_ADDR where);
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void reinsert_breakpoint (CORE_ADDR where);
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/* Change the status of the breakpoint at WHERE to uninserted. */
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/* Change the status of the breakpoint at WHERE to uninserted. */
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void uninsert_breakpoint (CORE_ADDR where);
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void uninsert_breakpoint (CORE_ADDR where);
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/* See if any breakpoint claims ownership of STOP_PC. Call the handler for
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/* See if any breakpoint claims ownership of STOP_PC. Call the handler for
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the breakpoint, if found. */
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the breakpoint, if found. */
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int check_breakpoints (CORE_ADDR stop_pc);
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int check_breakpoints (CORE_ADDR stop_pc);
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/* See if any breakpoints shadow the target memory area from MEM_ADDR
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/* See if any breakpoints shadow the target memory area from MEM_ADDR
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to MEM_ADDR + MEM_LEN. Update the data already read from the target
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to MEM_ADDR + MEM_LEN. Update the data already read from the target
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(in BUF) if necessary. */
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(in BUF) if necessary. */
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void check_mem_read (CORE_ADDR mem_addr, unsigned char *buf, int mem_len);
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void check_mem_read (CORE_ADDR mem_addr, unsigned char *buf, int mem_len);
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/* See if any breakpoints shadow the target memory area from MEM_ADDR
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/* See if any breakpoints shadow the target memory area from MEM_ADDR
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to MEM_ADDR + MEM_LEN. Update the data to be written to the target
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to MEM_ADDR + MEM_LEN. Update the data to be written to the target
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(in BUF) if necessary, as well as the original data for any breakpoints. */
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(in BUF) if necessary, as well as the original data for any breakpoints. */
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void check_mem_write (CORE_ADDR mem_addr, unsigned char *buf, int mem_len);
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void check_mem_write (CORE_ADDR mem_addr, unsigned char *buf, int mem_len);
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/* Set the byte pattern to insert for memory breakpoints. This function
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/* Set the byte pattern to insert for memory breakpoints. This function
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must be called before any breakpoints are set. */
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must be called before any breakpoints are set. */
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void set_breakpoint_data (const unsigned char *bp_data, int bp_len);
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void set_breakpoint_data (const unsigned char *bp_data, int bp_len);
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/* Delete all breakpoints. */
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/* Delete all breakpoints. */
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void delete_all_breakpoints (void);
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void delete_all_breakpoints (void);
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#endif /* MEM_BREAK_H */
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#endif /* MEM_BREAK_H */
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