================
@@ -4332,6 +4339,232 @@ void request_setInstructionBreakpoints(const
llvm::json::Object &request) {
g_dap.SendJSON(llvm::json::Value(std::move(response)));
}
+// "ReadMemoryRequest": {
+// "allOf": [ { "$ref": "#/definitions/Request" }, {
+// "type": "object",
+// "description": "Reads bytes from memory at the provided location.\n
+// Clients should only call this request if the corresponding capability
+// `supportsReadMemoryRequest` is true.",
+// "properties": {
+// "command": {
+// "type": "string",
+// "enum": [ "readMemory" ]
+// },
+// "arguments": {
+// "$ref": "#/definitions/ReadMemoryArguments"
+// }
+// },
+// "required": [ "command", "arguments" ]
+// }]
+// },
+// "ReadMemoryArguments": {
+// "type": "object",
+// "description": "Arguments for `readMemory` request.",
+// "properties": {
+// "memoryReference": {
+// "type": "string",
+// "description": "Memory reference to the base location from which data
+// should be read."
+// },
+// "offset": {
+// "type": "integer",
+// "description": "Offset (in bytes) to be applied to the reference
+// location before reading data. Can be negative."
+// },
+// "count": {
+// "type": "integer",
+// "description": "Number of bytes to read at the specified location and
+// offset."
+// }
+// },
+// "required": [ "memoryReference", "count" ]
+// },
+// "ReadMemoryResponse": {
+// "allOf": [ { "$ref": "#/definitions/Response" }, {
+// "type": "object",
+// "description": "Response to `readMemory` request.",
+// "properties": {
+// "body": {
+// "type": "object",
+// "properties": {
+// "address": {
+// "type": "string",
+// "description": "The address of the first byte of data returned.
+// \nTreated as a hex value if prefixed with `0x`, or as a decimal
+// value otherwise."
+// },
+// "unreadableBytes": {
+// "type": "integer",
+// "description": "The number of unreadable bytes encountered after
+// the last successfully read byte.\nThis can be used to determine
+// the number of bytes that should be skipped before a subsequent
+// `readMemory` request succeeds."
+// },
+// "data": {
+// "type": "string",
+// "description": "The bytes read from memory, encoded using
+// base64. If the decoded length of `data` is less than the
+// requested `count` in the original `readMemory` request, and
+// `unreadableBytes` is zero or omitted, then the client should
+// assume it's reached the end of readable memory."
+// }
+// },
+// "required": [ "address" ]
+// }
+// }
+// }]
+// },
+void request_readMemory(const llvm::json::Object &request) {
+ llvm::json::Object response;
+ llvm::json::Array response_readMemory;
+ llvm::json::Object body;
+ lldb::SBError error;
+ FillResponse(request, response);
+
+ auto arguments = request.getObject("arguments");
+ llvm::StringRef memoryReference = GetString(arguments, "memoryReference");
+ const size_t count = GetUnsigned(arguments, "count", 0);
+ const auto offset = GetSigned(arguments, "offset", 0);
+
+ lldb::addr_t address;
+ memoryReference.getAsInteger(0, address);
+ lldb::addr_t address_offset = address + offset;
+ // address as string
+ std::string address_offset_str(std::to_string(address_offset));
+
+ // make storage for the memory to read
+ // need to use a vector because VC++ 2019 errors out on char buffer[count]
+ std::vector<char> buffer(count);
+
+ // read the memory add to storage
+ lldb::SBProcess process = g_dap.target.GetProcess();
+ size_t countRead =
+ process.ReadMemory(address_offset, buffer.data(), count, error);
+ const llvm::StringRef inputBytes = {buffer.data(), countRead};
+ // return the read memory in base64
+ std::string data = llvm::encodeBase64(inputBytes);
+
+ // body: address, data? in spec formats
+ body.try_emplace("address", std::move(address_offset_str));
+ body.try_emplace("data", std::move(data));
+
+ response.try_emplace("body", std::move(body));
+ g_dap.SendJSON(llvm::json::Value(std::move(response)));
+}
+
+// "WriteMemoryRequest": {
+// "allOf": [ { "$ref": "#/definitions/Request" }, {
+// "type": "object",
+// "description": "Writes bytes to memory at the provided location.\n
+// Clients should only call this request if the corresponding
+// capability `supportsWriteMemoryRequest` is true.",
+// "properties": {
+// "command": {
+// "type": "string",
+// "enum": [ "writeMemory" ]
+// },
+// "arguments": {
+// "$ref": "#/definitions/WriteMemoryArguments"
+// }
+// },
+// "required": [ "command", "arguments" ]
+// }]
+// },
+// "WriteMemoryArguments": {
+// "type": "object",
+// "description": "Arguments for `writeMemory` request.",
+// "properties": {
+// "memoryReference": {
+// "type": "string",
+// "description": "Memory reference to the base location to which
+// data should be written."
+// },
+// "offset": {
+// "type": "integer",
+// "description": "Offset (in bytes) to be applied to the reference
+// location before writing data. Can be negative."
+// },
+// "allowPartial": {
+// "type": "boolean",
+// "description": "Property to control partial writes. If true, the
+// debug adapter should attempt to write memory even if the entire
+// memory region is not writable. In such a case the debug adapter
+// should stop after hitting the first byte of memory that cannot be
+// written and return the number of bytes written in the response
+// via the `offset` and `bytesWritten` properties.\nIf false or
+// missing, a debug adapter should attempt to verify the region is
+// writable before writing, and fail the response if it is not."
+// },
+// "data": {
+// "type": "string",
+// "description": "Bytes to write, encoded using base64."
+// }
+// },
+// "required": [ "memoryReference", "data" ]
+// },
+// "WriteMemoryResponse": {
+// "allOf": [ { "$ref": "#/definitions/Response" }, {
+// "type": "object",
+// "description": "Response to `writeMemory` request.",
+// "properties": {
+// "body": {
+// "type": "object",
+// "properties": {
+// "offset": {
+// "type": "integer",
+// "description": "Property that should be returned when
+// `allowPartial` is true to indicate the offset of the first
+// byte of data successfully written. Can be negative."
+// },
+// "bytesWritten": {
+// "type": "integer",
+// "description": "Property that should be returned when
+// `allowPartial` is true to indicate the number of bytes
+// starting from address that were successfully written."
+// }
+// }
+// }
+// }
+// }]
+// },
+
+void request_writeMemory(const llvm::json::Object &request) {
+ llvm::json::Object response;
+ llvm::json::Array response_writeMemory;
+ llvm::json::Object body;
+ FillResponse(request, response);
+
+ auto arguments = request.getObject("arguments");
+ llvm::StringRef memoryReference = GetString(arguments, "memoryReference");
+ const auto offset = GetSigned(arguments, "offset", 0);
+ llvm::StringRef data64 = GetString(arguments, "data");
+
+ lldb::addr_t address;
+ memoryReference.getAsInteger(0, address);
+ lldb::addr_t address_offset = address + offset;
+
+ std::vector<char> output;
+ lldb::SBError writeError;
+ int64_t countWrite = 0;
+
+ llvm::Error decodeError = llvm::decodeBase64(data64, output);
----------------
walter-erquinigo wrote:
you need to return a failed response if there was a decoding error, otherwise
the debug adapter will crash because you didn't handle the Error case.
https://github.com/llvm/llvm-project/pull/108036
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