X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=gdb%2Fgdbserver%2Fmem-break.h;h=b84dc1e2415f5eab6e6ed7cd5e27e2aea96bb72c;hb=f79b145de30d6eaafc1f3f5b2aa913519fcd311f;hp=adcedad8a85bfb78b9ef90d5623c5155c1bbd5f7;hpb=f450004a28a0ca9548117ae78d5ad554a3e32c69;p=external%2Fbinutils.git diff --git a/gdb/gdbserver/mem-break.h b/gdb/gdbserver/mem-break.h index adcedad..b84dc1e 100644 --- a/gdb/gdbserver/mem-break.h +++ b/gdb/gdbserver/mem-break.h @@ -1,6 +1,5 @@ /* Memory breakpoint interfaces for the remote server for GDB. - Copyright 2002, 2005 - Free Software Foundation, Inc. + Copyright (C) 2002-2016 Free Software Foundation, Inc. Contributed by MontaVista Software. @@ -8,7 +7,7 @@ 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, @@ -17,39 +16,177 @@ 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., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ + along with this program. If not, see . */ #ifndef MEM_BREAK_H #define MEM_BREAK_H +#include "break-common.h" + /* Breakpoints are opaque. */ +struct breakpoint; +struct fast_tracepoint_jump; +struct raw_breakpoint; +struct process_info; + +#define Z_PACKET_SW_BP '0' +#define Z_PACKET_HW_BP '1' +#define Z_PACKET_WRITE_WP '2' +#define Z_PACKET_READ_WP '3' +#define Z_PACKET_ACCESS_WP '4' + +/* The low level breakpoint types. */ + +enum raw_bkpt_type + { + /* Software/memory breakpoint. */ + raw_bkpt_type_sw, + + /* Hardware-assisted breakpoint. */ + raw_bkpt_type_hw, + + /* Hardware-assisted write watchpoint. */ + raw_bkpt_type_write_wp, + + /* Hardware-assisted read watchpoint. */ + raw_bkpt_type_read_wp, + + /* Hardware-assisted access watchpoint. */ + raw_bkpt_type_access_wp + }; + +/* Map the protocol breakpoint/watchpoint type Z_TYPE to the internal + raw breakpoint type. */ + +enum raw_bkpt_type Z_packet_to_raw_bkpt_type (char z_type); + +/* Map a raw breakpoint type to an enum target_hw_bp_type. */ + +enum target_hw_bp_type raw_bkpt_type_to_target_hw_bp_type + (enum raw_bkpt_type raw_type); + +/* Create a new GDB breakpoint of type Z_TYPE at ADDR with kind KIND. + Returns a pointer to the newly created breakpoint on success. On + failure returns NULL and sets *ERR to either -1 for error, or 1 if + Z_TYPE breakpoints are not supported on this target. */ + +struct breakpoint *set_gdb_breakpoint (char z_type, CORE_ADDR addr, int kind, + int *err); + +/* Delete a GDB breakpoint of type Z_TYPE and kind KIND previously + inserted at ADDR with set_gdb_breakpoint_at. Returns 0 on success, + -1 on error, and 1 if Z_TYPE breakpoints are not supported on this + target. */ + +int delete_gdb_breakpoint (char z_type, CORE_ADDR addr, int kind); + +/* Returns TRUE if there's a software or hardware (code) breakpoint at + ADDR in our tables, inserted, or not. */ + +int breakpoint_here (CORE_ADDR addr); + +/* Returns TRUE if there's any inserted software or hardware (code) + breakpoint set at ADDR. */ + +int breakpoint_inserted_here (CORE_ADDR addr); + +/* Returns TRUE if there's any inserted software breakpoint at + ADDR. */ + +int software_breakpoint_inserted_here (CORE_ADDR addr); + +/* Returns TRUE if there's any inserted hardware (code) breakpoint at + ADDR. */ + +int hardware_breakpoint_inserted_here (CORE_ADDR addr); + +/* Returns TRUE if there's any reinsert breakpoint at ADDR. */ + +int reinsert_breakpoint_inserted_here (CORE_ADDR addr); + +/* Clear all breakpoint conditions and commands associated with a + breakpoint. */ + +void clear_breakpoint_conditions_and_commands (struct breakpoint *bp); + +/* Set target-side condition CONDITION to the breakpoint at ADDR. + Returns false on failure. On success, advances CONDITION pointer + past the condition and returns true. */ + +int add_breakpoint_condition (struct breakpoint *bp, char **condition); + +/* Set target-side commands COMMANDS to the breakpoint at ADDR. + Returns false on failure. On success, advances COMMANDS past the + commands and returns true. If PERSIST, the commands should run + even while GDB is disconnected. */ + +int add_breakpoint_commands (struct breakpoint *bp, 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 (Z0 or Z1) set at + WHERE. */ + +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 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 set_breakpoint_at (CORE_ADDR where, - void (*handler) (CORE_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. */ +/* Process PROC has reinsert breakpoints or not. */ -void reinsert_breakpoint (CORE_ADDR where); +int has_reinsert_breakpoints (struct process_info *proc); -/* Change the status of the breakpoint at WHERE to uninserted. */ +/* Uninsert breakpoints at WHERE (and change their status to + uninserted). This still leaves the breakpoints in the table. */ -void uninsert_breakpoint (CORE_ADDR where); +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. */ -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 @@ -59,13 +196,70 @@ 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) 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, const unsigned char *myaddr, int mem_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); + +/* Insert a memory breakpoint. */ + +int insert_memory_breakpoint (struct raw_breakpoint *bp); + +/* Remove a previously inserted memory breakpoint. */ -void check_mem_write (CORE_ADDR mem_addr, unsigned char *buf, int mem_len); +int remove_memory_breakpoint (struct raw_breakpoint *bp); -/* Set the byte pattern to insert for memory breakpoints. This function - must be called before any breakpoints are set. */ +/* Create a new breakpoint list NEW_BKPT_LIST that is a copy of SRC. */ -void set_breakpoint_data (const unsigned char *bp_data, int bp_len); +void clone_all_breakpoints (struct breakpoint **new_bkpt_list, + struct raw_breakpoint **new_raw_bkpt_list, + const struct breakpoint *src); #endif /* MEM_BREAK_H */