Changeset 80487bc5 in mainline for kernel/generic/include/udebug

Timestamp:

2010-01-25T21:40:13Z (16 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

e515b21a

Parents:

0d21b53

Message:

Allow taskdump to read register state and extract PC, FP (not implemented for all arches).

Location:

kernel/generic/include/udebug

Files:

• udebug.h (modified) (3 diffs)
• udebug_ops.h (modified) (1 diff)

kernel/generic/include/udebug/udebug.h

@@ -27 +27 @@
  */
 
-/** @addtogroup generic 
+/** @addtogroup generic
  * @{
  */
@@ -83 +83 @@
 UDEBUG_M_ARGS_READ,
 
+/** Read thread's userspace register state (istate_t).
+ *
+ * - ARG2 - thread identification
+ * - ARG3 - destination address in the caller's address space
+ *
+ * or, on error, retval will be
+ * - ENOENT - thread does not exist
+ * - EBUSY - register state not available
+ */
+UDEBUG_M_REGS_READ,
+
 /** Read the list of the debugged tasks's threads.
  *
@@ -122 +133 @@
 } udebug_method_t;
 
-                                
+
 typedef enum {
         UDEBUG_EVENT_FINISHED = 1,      /**< Debuging session has finished */

kernel/generic/include/udebug/udebug_ops.h

@@ -49 +49 @@
 int udebug_args_read(thread_t *t, void **buffer);
 
+int udebug_regs_read(thread_t *t, void **buffer);
+
 int udebug_mem_read(unative_t uspace_addr, size_t n, void **buffer);