[haiku-commits] r39843 - in haiku/trunk: headers/private/debug src/kits/debug
- From: anevilyak@xxxxxxxxx
- To: haiku-commits@xxxxxxxxxxxxx
- Date: Tue, 14 Dec 2010 00:27:59 +0100 (CET)
Author: anevilyak
Date: 2010-12-14 00:27:59 +0100 (Tue, 14 Dec 2010)
New Revision: 39843
Changeset: http://dev.haiku-os.org/changeset/39843
Modified:
haiku/trunk/headers/private/debug/debug_support.h
haiku/trunk/src/kits/debug/debug_support.cpp
Log:
Add write counterparts to debug_read_memory/debug_read_memory_partial.
Modified: haiku/trunk/headers/private/debug/debug_support.h
===================================================================
--- haiku/trunk/headers/private/debug/debug_support.h 2010-12-13 22:26:37 UTC
(rev 39842)
+++ haiku/trunk/headers/private/debug/debug_support.h 2010-12-13 23:27:59 UTC
(rev 39843)
@@ -33,6 +33,10 @@
void *buffer, size_t size);
ssize_t debug_read_string(debug_context *context, const void *_address,
char *buffer, size_t size);
+ssize_t debug_write_memory_partial(debug_context *context, const void *address,
+ void *buffer, size_t size);
+ssize_t debug_write_memory(debug_context *context, const void *address,
+ void *buffer, size_t size);
status_t debug_get_cpu_state(debug_context *context, thread_id thread,
debug_debugger_message *messageCode, debug_cpu_state
*cpuState);
Modified: haiku/trunk/src/kits/debug/debug_support.cpp
===================================================================
--- haiku/trunk/src/kits/debug/debug_support.cpp 2010-12-13 22:26:37 UTC
(rev 39842)
+++ haiku/trunk/src/kits/debug/debug_support.cpp 2010-12-13 23:27:59 UTC
(rev 39843)
@@ -1,5 +1,6 @@
/*
* Copyright 2005-2009, Ingo Weinhold, ingo_weinhold@xxxxxxx
+ * Copyright 2010, Rene Gollent, rene@xxxxxxxxxxxx
* Distributed under the terms of the MIT License.
*/
@@ -216,6 +217,71 @@
return sumRead;
}
+// debug_write_memory_partial
+ssize_t
+debug_write_memory_partial(debug_context *context, const void *address,
+ void *buffer, size_t size)
+{
+ if (!context)
+ return B_BAD_VALUE;
+
+ if (size == 0)
+ return 0;
+ if (size > B_MAX_READ_WRITE_MEMORY_SIZE)
+ size = B_MAX_READ_WRITE_MEMORY_SIZE;
+
+ // prepare the message
+ debug_nub_write_memory message;
+ message.reply_port = context->reply_port;
+ message.address = (void*)address;
+ message.size = size;
+
+ // send the message
+ debug_nub_write_memory_reply reply;
+ status_t error = send_debug_message(context,
B_DEBUG_MESSAGE_WRITE_MEMORY,
+ &message, sizeof(message), &reply, sizeof(reply));
+
+ if (error != B_OK)
+ return error;
+ if (reply.error != B_OK)
+ return reply.error;
+
+ return reply.size;
+}
+
+// debug_write_memory
+ssize_t
+debug_write_memory(debug_context *context, const void *_address, void *_buffer,
+ size_t size)
+{
+ const char *address = (const char *)_address;
+ char *buffer = (char*)_buffer;
+
+ // check parameters
+ if (!context || !address || !buffer)
+ return B_BAD_VALUE;
+ if (size == 0)
+ return 0;
+
+ ssize_t sumWritten = 0;
+ while (size > 0) {
+ ssize_t bytesWritten = debug_write_memory_partial(context,
address, buffer,
+ size);
+ if (bytesWritten < 0) {
+ if (sumWritten > 0)
+ return sumWritten;
+ return bytesWritten;
+ }
+
+ address += bytesWritten;
+ buffer += bytesWritten;
+ sumWritten += bytesWritten;
+ size -= bytesWritten;
+ }
+
+ return sumWritten;
+}
+
// debug_get_cpu_state
status_t
debug_get_cpu_state(debug_context *context, thread_id thread,
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