| /* Process record and replay target for GDB, the GNU debugger. |
| |
| Copyright (C) 2008-2021 Free Software Foundation, Inc. |
| |
| This file is part of GDB. |
| |
| 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 3 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 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, see <http://www.gnu.org/licenses/>. */ |
| |
| #ifndef RECORD_H |
| #define RECORD_H |
| |
| #include "target/waitstatus.h" /* For enum target_stop_reason. */ |
| #include "gdbsupport/enum-flags.h" |
| |
| struct address_space; |
| struct cmd_list_element; |
| struct inferior; |
| |
| extern unsigned int record_debug; |
| |
| /* Allow record targets to add their own sub-commands. */ |
| extern struct cmd_list_element *record_cmdlist; |
| extern struct cmd_list_element *set_record_cmdlist; |
| extern struct cmd_list_element *show_record_cmdlist; |
| extern struct cmd_list_element *info_record_cmdlist; |
| |
| /* Unwinders for some record targets. */ |
| extern const struct frame_unwind record_btrace_frame_unwind; |
| extern const struct frame_unwind record_btrace_tailcall_frame_unwind; |
| |
| /* A list of different recording methods. */ |
| enum record_method |
| { |
| /* No or unknown record method. */ |
| RECORD_METHOD_NONE, |
| |
| /* Record method "full". */ |
| RECORD_METHOD_FULL, |
| |
| /* Record method "btrace". */ |
| RECORD_METHOD_BTRACE |
| }; |
| |
| /* A list of flags specifying what record target methods should print. */ |
| enum record_print_flag |
| { |
| /* Print the source file and line (if applicable). */ |
| RECORD_PRINT_SRC_LINE = (1 << 0), |
| |
| /* Print the instruction number range (if applicable). */ |
| RECORD_PRINT_INSN_RANGE = (1 << 1), |
| |
| /* Indent based on call stack depth (if applicable). */ |
| RECORD_PRINT_INDENT_CALLS = (1 << 2) |
| }; |
| DEF_ENUM_FLAGS_TYPE (enum record_print_flag, record_print_flags); |
| |
| /* Determined whether the target is stopped at a software or hardware |
| breakpoint, based on PC and the breakpoint tables. The breakpoint |
| type is translated to the appropriate target_stop_reason and |
| written to REASON. Returns true if stopped at a breakpoint, false |
| otherwise. */ |
| |
| extern int |
| record_check_stopped_by_breakpoint (const address_space *aspace, |
| CORE_ADDR pc, |
| enum target_stop_reason *reason); |
| |
| /* Wrapper for target_read_memory that prints a debug message if |
| reading memory fails. */ |
| extern int record_read_memory (struct gdbarch *gdbarch, |
| CORE_ADDR memaddr, gdb_byte *myaddr, |
| ssize_t len); |
| |
| /* A wrapper for target_goto_record that parses ARG as a number. */ |
| extern void record_goto (const char *arg); |
| |
| /* The default "to_disconnect" target method for record targets. */ |
| extern void record_disconnect (struct target_ops *, const char *, int); |
| |
| /* The default "to_detach" target method for record targets. */ |
| extern void record_detach (struct target_ops *, inferior *, int); |
| |
| /* The default "to_mourn_inferior" target method for record targets. */ |
| extern void record_mourn_inferior (struct target_ops *); |
| |
| /* The default "to_kill" target method for record targets. */ |
| extern void record_kill (struct target_ops *); |
| |
| /* Find the record_stratum target in the current target stack. |
| Returns NULL if none is found. */ |
| extern struct target_ops *find_record_target (void); |
| |
| /* This is to be called by record_stratum targets' open routine before |
| it does anything. */ |
| extern void record_preopen (void); |
| |
| /* Start recording with the given METHOD and FORMAT. NULL means default method |
| or format. Throw on failure or invalid method / format. */ |
| extern void record_start (const char *method, const char *format, |
| int from_tty); |
| |
| /* Stop recording. Throw on failure. */ |
| extern void record_stop (int from_tty); |
| |
| #endif /* RECORD_H */ |