Make find_thread_ptid lookup thread map instead of iterate

[deliverable/binutils-gdb.git] / gdb / nat / x86-dregs.h

diff --git a/gdb/nat/x86-dregs.h b/gdb/nat/x86-dregs.h
index a2b992607e25fb2d67261c3aff61a95fa751989f..d72d7ce9ee4fdf74d1ecd31796c72185ec72f3f0 100644 (file)
--- a/gdb/nat/x86-dregs.h
+++ b/gdb/nat/x86-dregs.h
@@ -1,6 +1,6 @@
 /* Debug register code for x86 (i386 and x86-64).
 
-   Copyright (C) 2009-2015 Free Software Foundation, Inc.
+   Copyright (C) 2009-2020 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -17,6 +17,9 @@
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
+#ifndef NAT_X86_DREGS_H
+#define NAT_X86_DREGS_H
+
 /* Support for hardware watchpoints and breakpoints using the x86
    debug registers.
 
@@ -29,10 +32,8 @@
    counts, and allow to watch regions up to 16 bytes long
    (32 bytes on 64 bit hosts).  */
 
-#ifndef X86_DREGS_H
-#define X86_DREGS_H 1
 
-#include "break-common.h" /* target_hw_bp_type */
+#include "gdbsupport/break-common.h" /* target_hw_bp_type */
 
 /* Low-level function vector.  */
 
@@ -92,6 +93,11 @@ struct x86_debug_reg_state
 #define ALL_DEBUG_ADDRESS_REGISTERS(i) \
   for (i = DR_FIRSTADDR; i <= DR_LASTADDR; i++)
 
+/* Return a pointer to the local mirror of the debug registers of
+   process PID.  This function must be provided by the client
+   if required.  */
+extern struct x86_debug_reg_state *x86_debug_reg_state (pid_t pid);
+
 /* Insert a watchpoint to watch a memory region which starts at
    address ADDR and whose length is LEN bytes.  Watch memory accesses
    of the type TYPE.  Return 0 on success, -1 on failure.  */
@@ -123,4 +129,8 @@ extern int x86_dr_stopped_data_address (struct x86_debug_reg_state *state,
    Otherwise return false.  */
 extern int x86_dr_stopped_by_watchpoint (struct x86_debug_reg_state *state);
 
-#endif /* X86_DREGS_H */
+/* Return true if the inferior has some hardware breakpoint that
+   triggered.  Otherwise return false.  */
+extern int x86_dr_stopped_by_hw_breakpoint (struct x86_debug_reg_state *state);
+
+#endif /* NAT_X86_DREGS_H */