gdb: Introduce 'print max-depth' feature

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

diff --git a/gdb/valprint.h b/gdb/valprint.h
index f005c31f87168d5c17e3c4cef9f6f7b829a397b0..e5cc9477987f9ee85b897b83ca9c357657172cf8 100644 (file)
--- a/gdb/valprint.h
+++ b/gdb/valprint.h
@@ -1,6 +1,6 @@
 /* Declarations for value printing routines for GDB, the GNU debugger.
 
-   Copyright (C) 1986-2018 Free Software Foundation, Inc.
+   Copyright (C) 1986-2019 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -92,6 +92,9 @@ struct value_print_options
   /* If nonzero, when printing a pointer, print the symbol to which it
      points, if any.  */
   int symbol_print;
+
+  /* Maximum print depth when printing nested aggregates.  */
+  int max_depth;
 };
 
 /* The global print options set by the user.  In general this should
@@ -150,7 +153,8 @@ extern void print_function_pointer_address (const struct value_print_options *op
 
 extern int read_string (CORE_ADDR addr, int len, int width,
                        unsigned int fetchlimit,
-                       enum bfd_endian byte_order, gdb_byte **buffer,
+                       enum bfd_endian byte_order,
+                       gdb::unique_xmalloc_ptr<gdb_byte> *buffer,
                        int *bytes_read);
 
 extern void val_print_optimized_out (const struct value *val,
@@ -210,7 +214,7 @@ extern void generic_printstr (struct ui_file *stream, struct type *type,
    arguments passed to all command implementations, except ARGS is
    const.  */
 
-extern void output_command_const (const char *args, int from_tty);
+extern void output_command (const char *args, int from_tty);
 
 extern int val_print_scalar_type_p (struct type *type);
 
@@ -229,4 +233,29 @@ extern void print_command_parse_format (const char **expp, const char *cmdname,
                                        struct format_data *fmtp);
 extern void print_value (struct value *val, const struct format_data *fmtp);
 
+/* Given an address ADDR return all the elements needed to print the
+   address in a symbolic form.  NAME can be mangled or not depending
+   on DO_DEMANGLE (and also on the asm_demangle global variable,
+   manipulated via ''set print asm-demangle'').  Return 0 in case of
+   success, when all the info in the OUT paramters is valid.  Return 1
+   otherwise.  */
+
+extern int build_address_symbolic (struct gdbarch *,
+                                  CORE_ADDR addr,
+                                  int do_demangle,
+                                  std::string *name,
+                                  int *offset,
+                                  std::string *filename,
+                                  int *line,
+                                  int *unmapped);
+
+/* Check to see if RECURSE is greater than or equal to the allowed
+   printing max-depth (see 'set print max-depth').  If it is then print an
+   ellipsis expression to STREAM and return true, otherwise return false.
+   LANGUAGE determines what type of ellipsis expression is printed.  */
+
+extern bool val_print_check_max_depth (struct ui_file *stream, int recurse,
+                                      const struct value_print_options *opts,
+                                      const struct language_defn *language);
+
 #endif