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- /* Auxiliary vector support for GDB, the GNU debugger.
- Copyright (C) 2004-2022 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 AUXV_H
- #define AUXV_H
- #include "target.h"
- /* See "include/elf/common.h" for the definition of valid AT_* values. */
- /* The default implementation of to_auxv_parse, used by the target
- stack.
- 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 default_auxv_parse (struct target_ops *ops, gdb_byte **readptr,
- gdb_byte *endptr, CORE_ADDR *typep,
- CORE_ADDR *valp);
- /* The SVR4 psABI implementation of to_auxv_parse, that uses an int to
- store the type rather than long as assumed by the default parser.
- 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 svr4_auxv_parse (struct gdbarch *gdbarch, 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 (gdb_byte **readptr, gdb_byte *endptr,
- CORE_ADDR *typep, CORE_ADDR *valp);
- /* Extract the auxiliary vector entry with a_type matching MATCH.
- Return zero if no such entry was found, or -1 if there was
- an error getting the information. On success, return 1 after
- storing the entry's value field in *VALP. */
- extern int target_auxv_search (struct target_ops *ops,
- CORE_ADDR match, CORE_ADDR *valp);
- /* 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);
- extern target_xfer_partial_ftype memory_xfer_auxv;
- #endif
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