gdb/gdbserver:

[deliverable/binutils-gdb.git] / gdb / gdbserver / i386-low.h

diff --git a/gdb/gdbserver/i386-low.h b/gdb/gdbserver/i386-low.h
index 8b56ad0fa1b1d0711619ef4169d2dfcb7b4235dd..4cc0135e220cdb3f90077ae1a7bb9bb2b2e4c8a7 100644 (file)
--- a/gdb/gdbserver/i386-low.h
+++ b/gdb/gdbserver/i386-low.h
@@ -1,7 +1,6 @@
 /* Misc. low level support for i386.
 
-   Copyright (C) 2009
-   Free Software Foundation, Inc.
+   Copyright (C) 2009-2012 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -43,7 +42,10 @@
 struct i386_debug_reg_state
 {
   /* Mirror the inferior's DRi registers.  We keep the status and
-     control registers separated because they don't hold addresses.  */
+     control registers separated because they don't hold addresses.
+     Note that since we can change these mirrors while threads are
+     running, we never trust them to explain a cause of a trap.
+     For that, we need to peek directly in the inferior registers.  */
   CORE_ADDR dr_mirror[DR_NADDR];
   unsigned dr_status_mirror, dr_control_mirror;
 
@@ -101,9 +103,14 @@ extern int i386_low_stopped_by_watchpoint (struct i386_debug_reg_state *state);
 extern void i386_dr_low_set_addr (const struct i386_debug_reg_state *state,
                                  int regnum);
 
+/* Return the inferior's debug register REGNUM.  */
+extern CORE_ADDR i386_dr_low_get_addr (int regnum);
+
 /* Update the inferior's DR7 debug control register from STATE.  */
 extern void i386_dr_low_set_control (const struct i386_debug_reg_state *state);
 
-/* Get the value of the inferior's DR6 debug status register
-   and record it in STATE.  */
-extern void i386_dr_low_get_status (struct i386_debug_reg_state *state);
+/* Return the value of the inferior's DR7 debug control register.  */
+extern unsigned i386_dr_low_get_control (void);
+
+/* Return the value of the inferior's DR6 debug status register.  */
+extern unsigned i386_dr_low_get_status (void);