gdb/dap/__init__.py \
gdb/dap/io.py \
gdb/dap/launch.py \
+ gdb/dap/memory.py \
gdb/dap/next.py \
gdb/dap/pause.py \
gdb/dap/scopes.py \
from . import disassemble
from . import evaluate
from . import launch
+from . import memory
from . import next
from . import pause
from . import scopes
--- /dev/null
+# Copyright 2023 Free Software Foundation, Inc.
+
+# 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/>.
+
+import base64
+import gdb
+
+from .server import request, capability
+from .startup import send_gdb_with_response, in_gdb_thread
+
+
+@in_gdb_thread
+def _read_memory(addr, count):
+ buf = gdb.selected_inferior().read_memory(addr, count)
+ return base64.b64encode(buf).decode("ASCII")
+
+
+@request("readMemory")
+@capability("supportsReadMemoryRequest")
+def read_memory(*, memoryReference, offset=0, count, **extra):
+ addr = int(memoryReference, 0) + offset
+ buf = send_gdb_with_response(lambda: _read_memory(addr, count))
+ return {
+ "address": hex(addr),
+ "data": buf,
+ }
+
+
+@in_gdb_thread
+def _write_memory(addr, contents):
+ buf = base64.b64decode(contents)
+ gdb.selected_inferior().write_memory(addr, buf)
+
+
+@request("writeMemory")
+@capability("supportsWriteMemoryRequest")
+def write_memory(*, memoryReference, offset=0, data, **extra):
+ addr = int(memoryReference, 0) + offset
+ send_gdb_with_response(lambda: _write_memory(addr, data))
+ return {}
RESULT_NAME can be used to change how the simple string result
is emitted in the result dictionary."""
super().__init__(name)
+ self.value = value
self.printer = gdb.printing.make_visualizer(value)
self.result_name = result_name
# We cache all the children we create.
result["indexedVariables"] = num_children
else:
result["namedVariables"] = num_children
+ if self.value.type.code == gdb.TYPE_CODE_PTR:
+ result["memoryReference"] = hex(int(self.value))
+ elif self.value.address is not None:
+ result["memoryReference"] = hex(int(self.value.address))
return result
@in_gdb_thread
--- /dev/null
+/* Copyright 2023 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/>. */
+
+#include <stdint.h>
+
+uint32_t thirty_two = 7;
+
+int main ()
+{
+ return 0; /* BREAK */
+}
--- /dev/null
+# Copyright 2023 Free Software Foundation, Inc.
+
+# 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/>.
+
+# Test DAP read/write memory.
+
+load_lib dap-support.exp
+
+standard_testfile
+
+if {[build_executable ${testfile}.exp $testfile] == -1} {
+ return
+}
+
+if {[dap_launch $testfile] == ""} {
+ return
+}
+
+set line [gdb_get_line_number "BREAK"]
+set obj [dap_check_request_and_response "set breakpoint by line number" \
+ setBreakpoints \
+ [format {o source [o path [%s]] breakpoints [a [o line [i %d]]]} \
+ [list s $srcfile] $line]]
+set line_bpno [dap_get_breakpoint_number $obj]
+
+dap_check_request_and_response "start inferior" configurationDone
+dap_wait_for_event_and_check "inferior started" thread "body reason" started
+
+dap_wait_for_event_and_check "stopped at line breakpoint" stopped \
+ "body reason" breakpoint \
+ "body hitBreakpointIds" $line_bpno
+
+set obj [dap_check_request_and_response "evaluate global" \
+ evaluate {o expression [s thirty_two]}]
+dap_match_values "global value" [lindex $obj 0] "body result" 7
+
+set addr [dict get [lindex $obj 0] body memoryReference]
+
+set obj [dap_check_request_and_response "read memory" \
+ readMemory [format {o memoryReference [s %s] count [i 4]} $addr]]
+
+set bytes [binary decode base64 [dict get [lindex $obj 0] body data]]
+gdb_assert {[string length $bytes] == 4}
+
+set newbytes ""
+set zeros 0
+set sevens 0
+set others 0
+foreach byte [split $bytes ""] {
+ if {$byte == "\0"} {
+ incr zeros
+ append newbytes $byte
+ } elseif {$byte == "\x7"} {
+ incr sevens
+ append newbytes "\x8"
+ } else {
+ incr others
+ }
+}
+gdb_assert {$zeros == 3}
+gdb_assert {$sevens == 1}
+gdb_assert {$others == 0}
+
+set encoded [binary encode base64 $newbytes]
+
+set obj [dap_check_request_and_response "write memory" \
+ writeMemory [format {o memoryReference [s %s] count [i 4] data [s %s]} \
+ $addr $encoded]]
+
+set obj [dap_check_request_and_response "re-evaluate global" \
+ evaluate {o expression [s thirty_two]}]
+dap_match_values "updated global value" [lindex $obj 0] "body result" 8
+
+dap_shutdown