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162 lines
5.0 KiB
C
162 lines
5.0 KiB
C
/* Memory breakpoint interfaces for the remote server for GDB.
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Copyright (C) 2002, 2005, 2007-2012 Free Software Foundation, Inc.
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Contributed by MontaVista Software.
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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 3 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, see <http://www.gnu.org/licenses/>. */
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#ifndef MEM_BREAK_H
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#define MEM_BREAK_H
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/* Breakpoints are opaque. */
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struct breakpoint;
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struct fast_tracepoint_jump;
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/* Create a new GDB breakpoint at WHERE. Returns -1 if breakpoints
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are not supported on this target, 0 otherwise. */
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int set_gdb_breakpoint_at (CORE_ADDR where);
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/* Returns TRUE if there's any breakpoint at ADDR in our tables,
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inserted, or not. */
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int breakpoint_here (CORE_ADDR addr);
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/* Returns TRUE if there's any inserted breakpoint set at ADDR. */
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int breakpoint_inserted_here (CORE_ADDR addr);
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/* Returns TRUE if there's a GDB breakpoint set at ADDR. */
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int gdb_breakpoint_here (CORE_ADDR where);
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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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should be deleted, 0 otherwise. */
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struct breakpoint *set_breakpoint_at (CORE_ADDR where,
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int (*handler) (CORE_ADDR));
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/* Delete a GDB breakpoint previously inserted at ADDR with
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set_gdb_breakpoint_at. */
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int delete_gdb_breakpoint_at (CORE_ADDR addr);
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/* Delete a breakpoint. */
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int delete_breakpoint (struct breakpoint *bkpt);
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/* Set a reinsert breakpoint at STOP_AT. */
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void set_reinsert_breakpoint (CORE_ADDR stop_at);
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/* Delete all reinsert breakpoints. */
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void delete_reinsert_breakpoints (void);
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/* Reinsert breakpoints at WHERE (and change their status to
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inserted). */
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void reinsert_breakpoints_at (CORE_ADDR where);
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/* Uninsert breakpoints at WHERE (and change their status to
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uninserted). This still leaves the breakpoints in the table. */
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void uninsert_breakpoints_at (CORE_ADDR where);
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/* Reinsert all breakpoints of the current process (and change their
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status to inserted). */
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void reinsert_all_breakpoints (void);
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/* Uninsert all breakpoints of the current process (and change their
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status to uninserted). This still leaves the breakpoints in the
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table. */
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void uninsert_all_breakpoints (void);
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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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void 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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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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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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to MEM_ADDR + MEM_LEN. Update the data to be written to the target
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(in BUF, a copy of MYADDR on entry) if necessary, as well as the
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original data for any breakpoints. */
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void check_mem_write (CORE_ADDR mem_addr,
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unsigned char *buf, const unsigned char *myaddr, int mem_len);
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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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void set_breakpoint_data (const unsigned char *bp_data, int bp_len);
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/* Delete all breakpoints. */
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void delete_all_breakpoints (void);
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/* Clear the "inserted" flag in all breakpoints of PROC. */
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void mark_breakpoints_out (struct process_info *proc);
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/* Delete all breakpoints, but do not try to un-insert them from the
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inferior. */
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void free_all_breakpoints (struct process_info *proc);
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/* Check if breakpoints still seem to be inserted in the inferior. */
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void validate_breakpoints (void);
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/* Insert a fast tracepoint jump at WHERE, using instruction INSN, of
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LENGTH bytes. */
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struct fast_tracepoint_jump *set_fast_tracepoint_jump (CORE_ADDR where,
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unsigned char *insn,
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ULONGEST length);
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/* Increment reference counter of JP. */
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void inc_ref_fast_tracepoint_jump (struct fast_tracepoint_jump *jp);
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/* Delete fast tracepoint jump TODEL from our tables, and uninsert if
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from memory. */
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int delete_fast_tracepoint_jump (struct fast_tracepoint_jump *todel);
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/* Returns true if there's fast tracepoint jump set at WHERE. */
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int fast_tracepoint_jump_here (CORE_ADDR);
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/* Uninsert fast tracepoint jumps at WHERE (and change their status to
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uninserted). This still leaves the tracepoints in the table. */
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void uninsert_fast_tracepoint_jumps_at (CORE_ADDR pc);
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/* Reinsert fast tracepoint jumps at WHERE (and change their status to
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inserted). */
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void reinsert_fast_tracepoint_jumps_at (CORE_ADDR where);
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#endif /* MEM_BREAK_H */
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