| /* Memory breakpoint interfaces for the remote server for GDB. |
| Copyright (C) 2002-2013 Free Software Foundation, Inc. |
| |
| Contributed by MontaVista Software. |
| |
| This file is part of GDB. |
| |
| 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 3 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 of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 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, 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); |
| |
| int add_breakpoint_commands (CORE_ADDR addr, char **commands, int persist); |
| |
| int any_persistent_commands (void); |
| |
| /* Evaluation condition (if any) at breakpoint BP. Return 1 if |
| true and 0 otherwise. */ |
| |
| int gdb_condition_true_at_breakpoint (CORE_ADDR where); |
| |
| int gdb_no_commands_at_breakpoint (CORE_ADDR where); |
| |
| void run_breakpoint_commands (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. 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_reinsert_breakpoint (CORE_ADDR stop_at); |
| |
| /* Delete all reinsert breakpoints. */ |
| |
| void delete_reinsert_breakpoints (void); |
| |
| /* Reinsert breakpoints at WHERE (and change their status to |
| inserted). */ |
| |
| void reinsert_breakpoints_at (CORE_ADDR where); |
| |
| /* Uninsert breakpoints at WHERE (and change their status to |
| uninserted). This still leaves the breakpoints in the table. */ |
| |
| void uninsert_breakpoints_at (CORE_ADDR where); |
| |
| /* Reinsert all breakpoints of the current process (and change their |
| status to inserted). */ |
| |
| 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. */ |
| |
| 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 |
| (in BUF) if necessary. */ |
| |
| void check_mem_read (CORE_ADDR mem_addr, unsigned char *buf, int mem_len); |
| |
| /* 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, 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, 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 */ |