b9fd179153
gdb/gdbserver/
* mem-break.c (check_mem_write): Add `myaddr' parameter. Don't
clobber the breakpoints' shadows with fast tracepoint jumps.
* mem-break.h (check_mem_write): Add `myaddr' parameter.
* target.c (write_inferior_memory): Also pass MYADDR down to
check_mem_write.
gdb/testsuite/
* gdb.trace/trace-break.c: New.
* gdb.trace/trace-break.exp: New.
159 lines
5 KiB
C
159 lines
5 KiB
C
/* Memory breakpoint interfaces for the remote server for GDB.
|
|
Copyright (C) 2002, 2005, 2007, 2008, 2009, 2010, 2011
|
|
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;
|
|
|
|
/* 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);
|
|
|
|
/* 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);
|
|
|
|
/* 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 */
|