/* Auxiliary vector support for GDB, the GNU debugger.
- Copyright (C) 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
+ Copyright (C) 2004-2019 Free Software Foundation, Inc.
This file is part of GDB.
#ifndef AUXV_H
#define AUXV_H
-/* See "include/elf/common.h" for the definition of valid AT_* values. */
+#include "target.h"
+/* See "include/elf/common.h" for the definition of valid AT_* values. */
-/* Avoid miscellaneous includes in this file, so that it can be
- included by nm-*.h for the procfs_xfer_auxv decl if that is
- used in NATIVE_XFER_AUXV. */
-struct target_ops; /* Forward declaration. */
+/* The default implementation of to_auxv_parse, used by the target
+ stack. */
+extern int default_auxv_parse (struct target_ops *ops, gdb_byte **readptr,
+ gdb_byte *endptr, CORE_ADDR *typep,
+ CORE_ADDR *valp);
/* Read one auxv entry from *READPTR, not reading locations >= ENDPTR.
Return 0 if *READPTR is already at the end of the buffer.
Return -1 if there is insufficient buffer for a whole entry.
Return 1 if an entry was read into *TYPEP and *VALP. */
-extern int target_auxv_parse (struct target_ops *ops,
- gdb_byte **readptr, gdb_byte *endptr,
+extern int target_auxv_parse (gdb_byte **readptr, gdb_byte *endptr,
CORE_ADDR *typep, CORE_ADDR *valp);
/* Extract the auxiliary vector entry with a_type matching MATCH.
extern int target_auxv_search (struct target_ops *ops,
CORE_ADDR match, CORE_ADDR *valp);
-/* Print the contents of the target's AUXV on the specified file. */
-extern int fprint_target_auxv (struct ui_file *file, struct target_ops *ops);
+/* Print a description of a single AUXV entry on the specified file. */
+enum auxv_format { AUXV_FORMAT_DEC, AUXV_FORMAT_HEX, AUXV_FORMAT_STR };
+
+extern void fprint_auxv_entry (struct ui_file *file, const char *name,
+ const char *description,
+ enum auxv_format format, CORE_ADDR type,
+ CORE_ADDR val);
+/* The default implementation of gdbarch_print_auxv_entry. */
+
+extern void default_print_auxv_entry (struct gdbarch *gdbarch,
+ struct ui_file *file, CORE_ADDR type,
+ CORE_ADDR val);
+
+/* Print the contents of the target's AUXV on the specified file. */
+extern int fprint_target_auxv (struct ui_file *file, struct target_ops *ops);
-/* This function is called like a to_xfer_partial hook,
- but must be called with TARGET_OBJECT_AUXV.
- It handles access via /proc/PID/auxv, which is the common method.
- This function is appropriate for doing:
- #define NATIVE_XFER_AUXV procfs_xfer_auxv
- for a native target that uses inftarg.c's child_xfer_partial hook. */
-
-extern LONGEST procfs_xfer_auxv (struct target_ops *ops,
- int /* enum target_object */ object,
- const char *annex,
- gdb_byte *readbuf,
- const gdb_byte *writebuf,
- ULONGEST offset,
- LONGEST len);
+extern target_xfer_partial_ftype memory_xfer_auxv;
#endif