/* Memory breakpoint interfaces for the remote server for GDB.
- Copyright (C) 2002, 2005, 2007 Free Software Foundation, Inc.
+ Copyright (C) 2002, 2005, 2007-2012 Free Software Foundation, Inc.
Contributed by MontaVista Software.
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
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
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., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef MEM_BREAK_H
#define MEM_BREAK_H
/* Breakpoints are opaque. */
+struct breakpoint;
+struct fast_tracepoint_jump;
+
+/* Locate a breakpoint placed at address WHERE and return a pointer
+ to its structure. */
+
+struct breakpoint *find_gdb_breakpoint_at (CORE_ADDR where);
+
+/* Create a new GDB breakpoint at WHERE. Returns -1 if breakpoints
+ are not supported on this target, 0 otherwise. */
+
+int set_gdb_breakpoint_at (CORE_ADDR where);
+
+/* Returns TRUE if there's any breakpoint at ADDR in our tables,
+ inserted, or not. */
+
+int breakpoint_here (CORE_ADDR addr);
+
+/* Returns TRUE if there's any inserted breakpoint set at ADDR. */
+
+int breakpoint_inserted_here (CORE_ADDR addr);
+
+/* Clear all breakpoint conditions associated with this address. */
+
+void clear_gdb_breakpoint_conditions (CORE_ADDR addr);
+
+/* Set target-side condition CONDITION to the breakpoint at ADDR. */
+
+int add_breakpoint_condition (CORE_ADDR addr, char **condition);
+
+/* Evaluation condition (if any) at breakpoint BP. Return 1 if
+ true and 0 otherwise. */
+
+int gdb_condition_true_at_breakpoint (CORE_ADDR where);
+
+/* Returns TRUE if there's a GDB breakpoint set at ADDR. */
+
+int gdb_breakpoint_here (CORE_ADDR where);
/* Create a new breakpoint at WHERE, and call HANDLER when
- it is hit. */
+ it is hit. HANDLER should return 1 if the breakpoint
+ should be deleted, 0 otherwise. */
+
+struct breakpoint *set_breakpoint_at (CORE_ADDR where,
+ int (*handler) (CORE_ADDR));
+
+/* Delete a GDB breakpoint previously inserted at ADDR with
+ set_gdb_breakpoint_at. */
+
+int delete_gdb_breakpoint_at (CORE_ADDR addr);
+
+/* Delete a breakpoint. */
+
+int delete_breakpoint (struct breakpoint *bkpt);
+
+/* Set a reinsert breakpoint at STOP_AT. */
-void set_breakpoint_at (CORE_ADDR where,
- void (*handler) (CORE_ADDR));
+void set_reinsert_breakpoint (CORE_ADDR stop_at);
-/* Delete a breakpoint previously inserted at ADDR with
- set_breakpoint_at. */
+/* Delete all reinsert breakpoints. */
-void delete_breakpoint_at (CORE_ADDR addr);
+void delete_reinsert_breakpoints (void);
-/* Create a reinsertion breakpoint at STOP_AT for the breakpoint
- currently at STOP_PC (and temporarily remove the breakpoint at
- STOP_PC). */
+/* Reinsert breakpoints at WHERE (and change their status to
+ inserted). */
-void reinsert_breakpoint_by_bp (CORE_ADDR stop_pc, CORE_ADDR stop_at);
+void reinsert_breakpoints_at (CORE_ADDR where);
-/* Change the status of the breakpoint at WHERE to inserted. */
+/* Uninsert breakpoints at WHERE (and change their status to
+ uninserted). This still leaves the breakpoints in the table. */
-void reinsert_breakpoint (CORE_ADDR where);
+void uninsert_breakpoints_at (CORE_ADDR where);
-/* Change the status of the breakpoint at WHERE to uninserted. */
+/* Reinsert all breakpoints of the current process (and change their
+ status to inserted). */
-void uninsert_breakpoint (CORE_ADDR where);
+void reinsert_all_breakpoints (void);
+
+/* Uninsert all breakpoints of the current process (and change their
+ status to uninserted). This still leaves the breakpoints in the
+ table. */
+
+void uninsert_all_breakpoints (void);
/* See if any breakpoint claims ownership of STOP_PC. Call the handler for
the breakpoint, if found. */
-int check_breakpoints (CORE_ADDR stop_pc);
+void check_breakpoints (CORE_ADDR stop_pc);
/* See if any breakpoints shadow the target memory area from MEM_ADDR
to MEM_ADDR + MEM_LEN. Update the data already read from the target
/* See if any breakpoints shadow the target memory area from MEM_ADDR
to MEM_ADDR + MEM_LEN. Update the data to be written to the target
- (in BUF) if necessary, as well as the original data for any breakpoints. */
+ (in BUF, a copy of MYADDR on entry) if necessary, as well as the
+ original data for any breakpoints. */
-void check_mem_write (CORE_ADDR mem_addr, unsigned char *buf, int mem_len);
+void check_mem_write (CORE_ADDR mem_addr,
+ unsigned char *buf, const unsigned char *myaddr, int mem_len);
/* Set the byte pattern to insert for memory breakpoints. This function
must be called before any breakpoints are set. */
void set_breakpoint_data (const unsigned char *bp_data, int bp_len);
+/* Delete all breakpoints. */
+
+void delete_all_breakpoints (void);
+
+/* Clear the "inserted" flag in all breakpoints of PROC. */
+
+void mark_breakpoints_out (struct process_info *proc);
+
+/* Delete all breakpoints, but do not try to un-insert them from the
+ inferior. */
+
+void free_all_breakpoints (struct process_info *proc);
+
+/* Check if breakpoints still seem to be inserted in the inferior. */
+
+void validate_breakpoints (void);
+
+/* Insert a fast tracepoint jump at WHERE, using instruction INSN, of
+ LENGTH bytes. */
+
+struct fast_tracepoint_jump *set_fast_tracepoint_jump (CORE_ADDR where,
+ unsigned char *insn,
+ ULONGEST length);
+
+/* Increment reference counter of JP. */
+void inc_ref_fast_tracepoint_jump (struct fast_tracepoint_jump *jp);
+
+/* Delete fast tracepoint jump TODEL from our tables, and uninsert if
+ from memory. */
+
+int delete_fast_tracepoint_jump (struct fast_tracepoint_jump *todel);
+
+/* Returns true if there's fast tracepoint jump set at WHERE. */
+
+int fast_tracepoint_jump_here (CORE_ADDR);
+
+/* Uninsert fast tracepoint jumps at WHERE (and change their status to
+ uninserted). This still leaves the tracepoints in the table. */
+
+void uninsert_fast_tracepoint_jumps_at (CORE_ADDR pc);
+
+/* Reinsert fast tracepoint jumps at WHERE (and change their status to
+ inserted). */
+
+void reinsert_fast_tracepoint_jumps_at (CORE_ADDR where);
+
#endif /* MEM_BREAK_H */
projects / deliverable / binutils-gdb.git / blobdiff