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611cb4a542
* gdbserver/mem-break.c: New file.
* gdbserver/mem-break.h: New file.
* gdbserver/Makefile.in: Add mem-break.o rule; update server.h
dependencies.
* gdbserver/inferiors.c (struct inferior_info): Add target_data
member.
(clear_inferiors): Free target_data member if set.
(inferior_target_data, set_inferior_target_data): New functions.
* gdbserver/linux-i386-low.c (i386_breakpoint, i386_breakpoint_len)
(i386_stop_pc, i386_set_pc): New. Add to the_low_target.
* gdbserver/linux-low.c (linux_bp_reinsert): New variable.
(struct inferior_linux_data): New.
(linux_create_inferior): Use set_inferior_target_data.
(linux_attach): Likewise. Call add_inferior.
(linux_wait_for_one_inferior): New function.
(linux_wait): Call it.
(linux_write_memory): Add const.
(initialize_low): Call set_breakpoint_data.
* gdbserver/linux-low.h (struct linux_target_ops): Add breakpoint
handling members.
* gdbserver/server.c (attach_inferior): Remove extra add_inferior
call.
* gdbserver/server.h: Include mem-break.h. Update inferior.c
prototypes.
* gdbserver/target.c (read_inferior_memory)
(write_inferior_memory): New functions.
* gdbserver/target.h (read_inferior_memory)
(write_inferior_memory): Change macros to prototypes.
(struct target_ops): Update comments. Add const to write_memory
definition.
72 lines
2.4 KiB
C
72 lines
2.4 KiB
C
/* Memory breakpoint interfaces for the remote server for GDB.
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Copyright 2002
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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 2 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, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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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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/* Create a new breakpoint at WHERE, and call HANDLER when
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it is hit. */
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void set_breakpoint_at (CORE_ADDR where,
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void (*handler) (CORE_ADDR));
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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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STOP_PC). */
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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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void reinsert_breakpoint (CORE_ADDR where);
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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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/* 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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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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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, 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) if necessary, as well as the original data for any breakpoints. */
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void check_mem_write (CORE_ADDR mem_addr, char *buf, 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 char *bp_data, int bp_len);
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#endif /* MEM_BREAK_H */
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