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

   1 # Copyright 2023 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 import gdb
  18
  19 from .server import request, capability
  20 from .startup import send_gdb_with_response, in_gdb_thread
  21
  22
  23 @in_gdb_thread
  24 def _read_memory(addr, count):
  25     buf = gdb.selected_inferior().read_memory(addr, count)
  26     return base64.b64encode(buf).decode("ASCII")
  27
  28
  29 @request("readMemory")
  30 @capability("supportsReadMemoryRequest")
  31 def read_memory(*, memoryReference: str, offset: int = 0, count: int, **extra):
  32     addr = int(memoryReference, 0) + offset
  33     buf = send_gdb_with_response(lambda: _read_memory(addr, count))
  34     return {
  35         "address": hex(addr),
  36         "data": buf,
  37     }
  38
  39
  40 @in_gdb_thread
  41 def _write_memory(addr, contents):
  42     buf = base64.b64decode(contents)
  43     gdb.selected_inferior().write_memory(addr, buf)
  44
  45
  46 @request("writeMemory")
  47 @capability("supportsWriteMemoryRequest")
  48 def write_memory(*, memoryReference: str, offset: int = 0, data: str, **extra):
  49     addr = int(memoryReference, 0) + offset
  50     send_gdb_with_response(lambda: _write_memory(addr, data))
  51     return {}