| | 1 | /* Process record and replay target for GDB, the GNU debugger. |
| | 2 | |
| | 3 | Copyright (C) 2008-2018 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 | struct inferior; |
| | 28 | |
| | 29 | extern unsigned int record_debug; |
| | 30 | |
| | 31 | /* Allow record targets to add their own sub-commands. */ |
| | 32 | extern struct cmd_list_element *record_cmdlist; |
| | 33 | extern struct cmd_list_element *set_record_cmdlist; |
| | 34 | extern struct cmd_list_element *show_record_cmdlist; |
| | 35 | extern struct cmd_list_element *info_record_cmdlist; |
| | 36 | |
| | 37 | /* Unwinders for some record targets. */ |
| | 38 | extern const struct frame_unwind record_btrace_frame_unwind; |
| | 39 | extern const struct frame_unwind record_btrace_tailcall_frame_unwind; |
| | 40 | |
| | 41 | /* A list of different recording methods. */ |
| | 42 | enum record_method |
| | 43 | { |
| | 44 | /* No or unknown record method. */ |
| | 45 | RECORD_METHOD_NONE, |
| | 46 | |
| | 47 | /* Record method "full". */ |
| | 48 | RECORD_METHOD_FULL, |
| | 49 | |
| | 50 | /* Record method "btrace". */ |
| | 51 | RECORD_METHOD_BTRACE |
| | 52 | }; |
| | 53 | |
| | 54 | /* A list of flags specifying what record target methods should print. */ |
| | 55 | enum record_print_flag |
| | 56 | { |
| | 57 | /* Print the source file and line (if applicable). */ |
| | 58 | RECORD_PRINT_SRC_LINE = (1 << 0), |
| | 59 | |
| | 60 | /* Print the instruction number range (if applicable). */ |
| | 61 | RECORD_PRINT_INSN_RANGE = (1 << 1), |
| | 62 | |
| | 63 | /* Indent based on call stack depth (if applicable). */ |
| | 64 | RECORD_PRINT_INDENT_CALLS = (1 << 2) |
| | 65 | }; |
| | 66 | DEF_ENUM_FLAGS_TYPE (enum record_print_flag, record_print_flags); |
| | 67 | |
| | 68 | /* Determined whether the target is stopped at a software or hardware |
| | 69 | breakpoint, based on PC and the breakpoint tables. The breakpoint |
| | 70 | type is translated to the appropriate target_stop_reason and |
| | 71 | written to REASON. Returns true if stopped at a breakpoint, false |
| | 72 | otherwise. */ |
| | 73 | |
| | 74 | extern int |
| | 75 | record_check_stopped_by_breakpoint (const address_space *aspace, |
| | 76 | CORE_ADDR pc, |
| | 77 | enum target_stop_reason *reason); |
| | 78 | |
| | 79 | /* Wrapper for target_read_memory that prints a debug message if |
| | 80 | reading memory fails. */ |
| | 81 | extern int record_read_memory (struct gdbarch *gdbarch, |
| | 82 | CORE_ADDR memaddr, gdb_byte *myaddr, |
| | 83 | ssize_t len); |
| | 84 | |
| | 85 | /* A wrapper for target_goto_record that parses ARG as a number. */ |
| | 86 | extern void record_goto (const char *arg); |
| | 87 | |
| | 88 | /* The default "to_disconnect" target method for record targets. */ |
| | 89 | extern void record_disconnect (struct target_ops *, const char *, int); |
| | 90 | |
| | 91 | /* The default "to_detach" target method for record targets. */ |
| | 92 | extern void record_detach (struct target_ops *, inferior *, int); |
| | 93 | |
| | 94 | /* The default "to_mourn_inferior" target method for record targets. */ |
| | 95 | extern void record_mourn_inferior (struct target_ops *); |
| | 96 | |
| | 97 | /* The default "to_kill" target method for record targets. */ |
| | 98 | extern void record_kill (struct target_ops *); |
| | 99 | |
| | 100 | /* Find the record_stratum target in the current target stack. |
| | 101 | Returns NULL if none is found. */ |
| | 102 | extern struct target_ops *find_record_target (void); |
| | 103 | |
| | 104 | /* This is to be called by record_stratum targets' open routine before |
| | 105 | it does anything. */ |
| | 106 | extern void record_preopen (void); |
| | 107 | |
| | 108 | /* Start recording with the given METHOD and FORMAT. NULL means default method |
| | 109 | or format. Throw on failure or invalid method / format. */ |
| | 110 | extern void record_start (const char *method, const char *format, |
| | 111 | int from_tty); |
| | 112 | |
| | 113 | /* Stop recording. Throw on failure. */ |
| | 114 | extern void record_stop (int from_tty); |
| | 115 | |
| | 116 | #endif /* _RECORD_H_ */ |
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