/* Process record and replay target for GDB, the GNU debugger.
- Copyright (C) 2008-2013 Free Software Foundation, Inc.
+ Copyright (C) 2008-2017 Free Software Foundation, Inc.
This file is part of GDB.
#ifndef _RECORD_H_
#define _RECORD_H_
-struct cmd_list_element;
+#include "target/waitstatus.h" /* For enum target_stop_reason. */
+#include "common/enum-flags.h"
-#define RECORD_IS_USED (current_target.to_stratum == record_stratum)
+struct cmd_list_element;
extern unsigned int record_debug;
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 (struct 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);
-/* The "record goto" command. */
-extern void cmd_record_goto (char *arg, int from_tty);
+/* 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 *, const char *, 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_ */