gdb/target/target.h - gdb

Macros defined

Source code

  1. /* Declarations for common target functions.

  3.    Copyright (C) 1986-2015 Free Software Foundation, Inc.

  5.    This file is part of GDB.

  7.    This program is free software; you can redistribute it and/or modify
  8.    it under the terms of the GNU General Public License as published by
  9.    the Free Software Foundation; either version 3 of the License, or
  10.    (at your option) any later version.

  12.    This program is distributed in the hope that it will be useful,
  13.    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14.    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15.    GNU General Public License for more details.

  17.    You should have received a copy of the GNU General Public License
  18.    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

  20. #ifndef TARGET_COMMON_H
  21. ‌#define TARGET_COMMON_H

  23. #include "target/waitstatus.h"
  24. #include <stdint.h>

  26. /* This header is a stopgap until more code is shared.  */

  28. /* Read LEN bytes of target memory at address MEMADDR, placing the
  29.    results in GDB's memory at MYADDR.  Return zero for success,
  30.    nonzero if any error occurs.  This function must be provided by
  31.    the client.  Implementations of this function may define and use
  32.    their own error codes, but functions in the common, nat and target
  33.    directories must treat the return code as opaque.  No guarantee is
  34.    made about the contents of the data at MYADDR if any error
  35.    occurs.  */

  37. extern int target_read_memory (CORE_ADDR memaddr, gdb_byte *myaddr,
  38.                                ssize_t len);

  40. /* Read an unsigned 32-bit integer in the target's format from target
  41.    memory at address MEMADDR, storing the result in GDB's format in
  42.    GDB's memory at RESULT.  Return zero for success, nonzero if any
  43.    error occurs.  This function must be provided by the client.
  44.    Implementations of this function may define and use their own error
  45.    codes, but functions in the common, nat and target directories must
  46.    treat the return code as opaque.  No guarantee is made about the
  47.    contents of the data at RESULT if any error occurs.  */

  49. extern int target_read_uint32 (CORE_ADDR memaddr, uint32_t *result);

  51. /* Write LEN bytes from MYADDR to target memory at address MEMADDR.
  52.    Return zero for success, nonzero if any error occurs.  This
  53.    function must be provided by the client.  Implementations of this
  54.    function may define and use their own error codes, but functions
  55.    in the common, nat and target directories must treat the return
  56.    code as opaque.  No guarantee is made about the contents of the
  57.    data at MEMADDR if any error occurs.  */

  59. extern int target_write_memory (CORE_ADDR memaddr, const gdb_byte *myaddr,
  60.                                 ssize_t len);

  62. /* Cause the target to stop in a continuable fashion--for instance,
  63.    under Unix, this should act like SIGSTOP--and wait for the target
  64.    to be stopped before returning.  This function must be provided by
  65.    the client.  */

  67. extern void target_stop_and_wait (ptid_t ptid);

  69. /* Restart a target previously stopped by target_stop_and_wait.
  70.    No signal is delivered to the target.  This function must be
  71.    provided by the client.  */

  73. extern void target_continue_no_signal (ptid_t ptid);

  75. #endif /* TARGET_COMMON_H */