gdb/python/lib/gdb/dap/memory.py

   1 # Copyright 2023-2025 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 import base64
  17
  18 import gdb
  19
  20 from .server import capability, request
  21 from .startup import DAPException
  22
  23
  24 @request("readMemory")
  25 @capability("supportsReadMemoryRequest")
  26 def read_memory(*, memoryReference: str, offset: int = 0, count: int, **extra):
  27     addr = int(memoryReference, 0) + offset
  28     try:
  29         buf = gdb.selected_inferior().read_memory(addr, count)
  30     except MemoryError as e:
  31         raise DAPException("Out of memory") from e
  32     return {
  33         "address": hex(addr),
  34         "data": base64.b64encode(buf).decode("ASCII"),
  35     }
  36
  37
  38 @request("writeMemory")
  39 @capability("supportsWriteMemoryRequest")
  40 def write_memory(*, memoryReference: str, offset: int = 0, data: str, **extra):
  41     addr = int(memoryReference, 0) + offset
  42     buf = base64.b64decode(data)
  43     gdb.selected_inferior().write_memory(addr, buf)