| 1 | /* Process record and replay target for GDB, the GNU debugger. |
| 2 | |
| 3 | Copyright (C) 2008-2017 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 | #include "common/enum-flags.h" |
| 25 | |
| 26 | struct cmd_list_element; |
| 27 | |
| 28 | extern unsigned int record_debug; |
| 29 | |
| 30 | /* Allow record targets to add their own sub-commands. */ |
| 31 | extern struct cmd_list_element *record_cmdlist; |
| 32 | extern struct cmd_list_element *set_record_cmdlist; |
| 33 | extern struct cmd_list_element *show_record_cmdlist; |
| 34 | extern struct cmd_list_element *info_record_cmdlist; |
| 35 | |
| 36 | /* Unwinders for some record targets. */ |
| 37 | extern const struct frame_unwind record_btrace_frame_unwind; |
| 38 | extern const struct frame_unwind record_btrace_tailcall_frame_unwind; |
| 39 | |
| 40 | /* A list of different recording methods. */ |
| 41 | enum record_method |
| 42 | { |
| 43 | /* No or unknown record method. */ |
| 44 | RECORD_METHOD_NONE, |
| 45 | |
| 46 | /* Record method "full". */ |
| 47 | RECORD_METHOD_FULL, |
| 48 | |
| 49 | /* Record method "btrace". */ |
| 50 | RECORD_METHOD_BTRACE |
| 51 | }; |
| 52 | |
| 53 | /* A list of flags specifying what record target methods should print. */ |
| 54 | enum record_print_flag |
| 55 | { |
| 56 | /* Print the source file and line (if applicable). */ |
| 57 | RECORD_PRINT_SRC_LINE = (1 << 0), |
| 58 | |
| 59 | /* Print the instruction number range (if applicable). */ |
| 60 | RECORD_PRINT_INSN_RANGE = (1 << 1), |
| 61 | |
| 62 | /* Indent based on call stack depth (if applicable). */ |
| 63 | RECORD_PRINT_INDENT_CALLS = (1 << 2) |
| 64 | }; |
| 65 | DEF_ENUM_FLAGS_TYPE (enum record_print_flag, record_print_flags); |
| 66 | |
| 67 | /* Determined whether the target is stopped at a software or hardware |
| 68 | breakpoint, based on PC and the breakpoint tables. The breakpoint |
| 69 | type is translated to the appropriate target_stop_reason and |
| 70 | written to REASON. Returns true if stopped at a breakpoint, false |
| 71 | otherwise. */ |
| 72 | |
| 73 | extern int |
| 74 | record_check_stopped_by_breakpoint (struct address_space *aspace, |
| 75 | CORE_ADDR pc, |
| 76 | enum target_stop_reason *reason); |
| 77 | |
| 78 | /* Wrapper for target_read_memory that prints a debug message if |
| 79 | reading memory fails. */ |
| 80 | extern int record_read_memory (struct gdbarch *gdbarch, |
| 81 | CORE_ADDR memaddr, gdb_byte *myaddr, |
| 82 | ssize_t len); |
| 83 | |
| 84 | /* A wrapper for target_goto_record that parses ARG as a number. */ |
| 85 | extern void record_goto (const char *arg); |
| 86 | |
| 87 | /* The default "to_disconnect" target method for record targets. */ |
| 88 | extern void record_disconnect (struct target_ops *, const char *, int); |
| 89 | |
| 90 | /* The default "to_detach" target method for record targets. */ |
| 91 | extern void record_detach (struct target_ops *, const char *, int); |
| 92 | |
| 93 | /* The default "to_mourn_inferior" target method for record targets. */ |
| 94 | extern void record_mourn_inferior (struct target_ops *); |
| 95 | |
| 96 | /* The default "to_kill" target method for record targets. */ |
| 97 | extern void record_kill (struct target_ops *); |
| 98 | |
| 99 | /* Find the record_stratum target in the current target stack. |
| 100 | Returns NULL if none is found. */ |
| 101 | extern struct target_ops *find_record_target (void); |
| 102 | |
| 103 | /* This is to be called by record_stratum targets' open routine before |
| 104 | it does anything. */ |
| 105 | extern void record_preopen (void); |
| 106 | |
| 107 | /* Start recording with the given METHOD and FORMAT. NULL means default method |
| 108 | or format. Throw on failure or invalid method / format. */ |
| 109 | extern void record_start (const char *method, const char *format, |
| 110 | int from_tty); |
| 111 | |
| 112 | /* Stop recording. Throw on failure. */ |
| 113 | extern void record_stop (int from_tty); |
| 114 | |
| 115 | #endif /* _RECORD_H_ */ |