1 /* Process record and replay target for GDB, the GNU debugger. 2 3 Copyright (C) 2008-2015 Free Software Foundation, Inc. 4 5 This file is part of GDB. 6 7 This program is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 3 of the License, or 10 (at your option) any later version. 11 12 This program is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 19 20 #ifndef _RECORD_H_ 21 #define _RECORD_H_ 22 23 #include "target/waitstatus.h" /* For enum target_stop_reason. */ 24 25 struct cmd_list_element; 26 27 extern unsigned int record_debug; 28 29 /* Allow record targets to add their own sub-commands. */ 30 extern struct cmd_list_element *record_cmdlist; 31 extern struct cmd_list_element *set_record_cmdlist; 32 extern struct cmd_list_element *show_record_cmdlist; 33 extern struct cmd_list_element *info_record_cmdlist; 34 35 /* Unwinders for some record targets. */ 36 extern const struct frame_unwind record_btrace_frame_unwind; 37 extern const struct frame_unwind record_btrace_tailcall_frame_unwind; 38 39 /* A list of flags specifying what record target methods should print. */ 40 enum record_print_flag 41 { 42 /* Print the source file and line (if applicable). */ 43 RECORD_PRINT_SRC_LINE = (1 << 0), 44 45 /* Print the instruction number range (if applicable). */ 46 RECORD_PRINT_INSN_RANGE = (1 << 1), 47 48 /* Indent based on call stack depth (if applicable). */ 49 RECORD_PRINT_INDENT_CALLS = (1 << 2) 50 }; 51 52 /* Determined whether the target is stopped at a software or hardware 53 breakpoint, based on PC and the breakpoint tables. The breakpoint 54 type is translated to the appropriate target_stop_reason and 55 written to REASON. Returns true if stopped at a breakpoint, false 56 otherwise. */ 57 58 extern int 59 record_check_stopped_by_breakpoint (struct address_space *aspace, 60 CORE_ADDR pc, 61 enum target_stop_reason *reason); 62 63 /* Wrapper for target_read_memory that prints a debug message if 64 reading memory fails. */ 65 extern int record_read_memory (struct gdbarch *gdbarch, 66 CORE_ADDR memaddr, gdb_byte *myaddr, 67 ssize_t len); 68 69 /* A wrapper for target_goto_record that parses ARG as a number. */ 70 extern void record_goto (const char *arg); 71 72 /* The default "to_disconnect" target method for record targets. */ 73 extern void record_disconnect (struct target_ops *, const char *, int); 74 75 /* The default "to_detach" target method for record targets. */ 76 extern void record_detach (struct target_ops *, const char *, int); 77 78 /* The default "to_mourn_inferior" target method for record targets. */ 79 extern void record_mourn_inferior (struct target_ops *); 80 81 /* The default "to_kill" target method for record targets. */ 82 extern void record_kill (struct target_ops *); 83 84 /* Find the record_stratum target in the current target stack. 85 Returns NULL if none is found. */ 86 extern struct target_ops *find_record_target (void); 87 88 /* This is to be called by record_stratum targets' open routine before 89 it does anything. */ 90 extern void record_preopen (void); 91 92 #endif /* _RECORD_H_ */ 93