gdb: add target_ops::supports_displaced_step

[deliverable/binutils-gdb.git] / gdb / record.h

diff --git a/gdb/record.h b/gdb/record.h
index a4b20d2ec27550ac7a4a04630b75799f20c42c72..1bdd53774ad67fca1d0c4edd295c6fa0588fa9dc 100644 (file)
--- a/gdb/record.h
+++ b/gdb/record.h
@@ -1,6 +1,6 @@
 /* Process record and replay target for GDB, the GNU debugger.
 
-   Copyright (C) 2008, 2009, 2010 Free Software Foundation, Inc.
+   Copyright (C) 2008-2020 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -17,17 +17,101 @@
    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_
+#ifndef RECORD_H
+#define RECORD_H
 
-#define RECORD_IS_USED (current_target.to_stratum == record_stratum)
+#include "target/waitstatus.h" /* For enum target_stop_reason.  */
+#include "gdbsupport/enum-flags.h"
 
-extern int record_debug;
-extern int record_memory_query;
+struct address_space;
+struct cmd_list_element;
+struct inferior;
 
-extern int record_arch_list_add_reg (struct regcache *regcache, int num);
-extern int record_arch_list_add_mem (CORE_ADDR addr, int len);
-extern int record_arch_list_add_end (void);
-extern struct cleanup *record_gdb_operation_disable_set (void);
+extern unsigned int record_debug;
 
-#endif /* _RECORD_H_ */
+/* 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 */