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[PATCH v4 13/13] Add watchpoint support to gdb simulator interface.


	Currently, only the sparc sim supports watchpoints. Stubs for the
	watchpoint functions were added to all other built-in sims
	to avoid linking errors.
---
 gdb/remote-sim.c              |  69 ++++++++++++
 include/gdb/remote-sim.h      |  24 ++++
 sim/arm/wrapper.c             |  25 +++++
 sim/avr/interp.c              |  25 +++++
 sim/bfin/Makefile.in          |   1 +
 sim/common/sim-watch-remote.c |  48 ++++++++
 sim/cr16/interp.c             |  25 +++++
 sim/cris/Makefile.in          |   1 +
 sim/erc32/interf.c            | 247 ++++++++++++++++++++++++++++++++----------
 sim/frv/Makefile.in           |   1 +
 sim/h8300/Makefile.in         |   1 +
 sim/iq2000/Makefile.in        |   1 +
 sim/lm32/Makefile.in          |   1 +
 sim/m32c/gdb-if.c             |  25 +++++
 sim/m32r/Makefile.in          |   1 +
 sim/m68hc11/Makefile.in       |   1 +
 sim/mcore/interp.c            |  25 +++++
 sim/microblaze/Makefile.in    |   2 +-
 sim/mips/Makefile.in          |   1 +
 sim/mn10300/Makefile.in       |   1 +
 sim/moxie/interp.c            |  25 +++++
 sim/msp430/Makefile.in        |   1 +
 sim/ppc/gdb-sim.c             |  25 +++++
 sim/rl78/gdb-if.c             |  25 +++++
 sim/rx/gdb-if.c               |  25 +++++
 sim/sh/interp.c               |  25 +++++
 sim/sh64/Makefile.in          |   1 +
 sim/v850/Makefile.in          |   3 +-
 28 files changed, 596 insertions(+), 59 deletions(-)
 create mode 100644 sim/common/sim-watch-remote.c

diff --git a/gdb/remote-sim.c b/gdb/remote-sim.c
index fd2fd58..af17e85 100644
--- a/gdb/remote-sim.c
+++ b/gdb/remote-sim.c
@@ -1294,6 +1294,70 @@ gdbsim_has_memory (struct target_ops *ops)
   return 1;
 }
 
+static int
+gdbsim_insert_watchpoint (struct target_ops *self,
+			CORE_ADDR addr, int len, int type,
+			struct expression *cond)
+{
+  struct sim_inferior_data *sim_data
+      = get_sim_inferior_data (current_inferior (), SIM_INSTANCE_NEEDED);
+
+  if (remote_debug)
+    fprintf_unfiltered (gdb_stdlog, "gdbsim_insert_watchpoint: %d\n", type);
+
+  if (sim_set_watchpoint (sim_data->gdbsim_desc, addr, len, type) != SIM_RC_OK)
+    return -1;
+
+  return 0;
+}
+
+static int
+gdbsim_remove_watchpoint (struct target_ops *self,
+			CORE_ADDR addr, int len, int type,
+			struct expression *cond)
+{
+  struct sim_inferior_data *sim_data
+      = get_sim_inferior_data (current_inferior (), SIM_INSTANCE_NEEDED);
+
+  if (remote_debug)
+    fprintf_unfiltered (gdb_stdlog, "gdbsim_remove_watchpoint: %d\n", type);
+
+  if (sim_clear_watchpoint (sim_data->gdbsim_desc, addr, len, type) != SIM_RC_OK)
+    return -1;
+
+  return 0;
+}
+
+
+static int
+gdbsim_can_use_hw_breakpoint (struct target_ops *self,
+			 int type, int cnt, int othertype)
+{
+  struct sim_inferior_data *sim_data
+      = get_sim_inferior_data (current_inferior (), SIM_INSTANCE_NEEDED);
+
+  return (sim_can_use_hw_breakpoint(sim_data->gdbsim_desc, type, cnt, othertype));
+}
+
+static int
+gdbsim_stopped_by_watchpoint (struct target_ops *ops)
+{
+  struct sim_inferior_data *sim_data
+      = get_sim_inferior_data (current_inferior (), SIM_INSTANCE_NEEDED);
+
+  return (sim_stopped_by_watchpoint(sim_data->gdbsim_desc));;
+}
+
+static int
+gdbsim_stopped_data_address (struct target_ops *ops, CORE_ADDR *addr)
+{
+  struct sim_inferior_data *sim_data
+      = get_sim_inferior_data (current_inferior (), SIM_INSTANCE_NEEDED);
+
+  *addr = sim_watchpoint_address(sim_data->gdbsim_desc);;
+  return (1);
+}
+
 /* Define the target subroutine names.  */
 
 struct target_ops gdbsim_ops;
@@ -1316,6 +1380,11 @@ init_gdbsim_ops (void)
   gdbsim_ops.to_files_info = gdbsim_files_info;
   gdbsim_ops.to_insert_breakpoint = memory_insert_breakpoint;
   gdbsim_ops.to_remove_breakpoint = memory_remove_breakpoint;
+  gdbsim_ops.to_insert_watchpoint = gdbsim_insert_watchpoint;
+  gdbsim_ops.to_remove_watchpoint = gdbsim_remove_watchpoint;
+  gdbsim_ops.to_stopped_by_watchpoint = gdbsim_stopped_by_watchpoint;
+  gdbsim_ops.to_can_use_hw_breakpoint = gdbsim_can_use_hw_breakpoint;
+  gdbsim_ops.to_stopped_data_address = gdbsim_stopped_data_address;
   gdbsim_ops.to_kill = gdbsim_kill;
   gdbsim_ops.to_load = gdbsim_load;
   gdbsim_ops.to_create_inferior = gdbsim_create_inferior;
diff --git a/include/gdb/remote-sim.h b/include/gdb/remote-sim.h
index bd8ddc0..04cc46c 100644
--- a/include/gdb/remote-sim.h
+++ b/include/gdb/remote-sim.h
@@ -281,6 +281,30 @@ void sim_do_command (SIM_DESC sd, const char *cmd);
 
 char **sim_complete_command (SIM_DESC sd, const char *text, const char *word);
 
+/* Add hardware watchpoint. See to_insert_watchpoint() in target.h
+   for description of parameters. */
+
+int sim_set_watchpoint (SIM_DESC sd, SIM_ADDR mem, int length, int type);
+
+/* Remove hardware watchpoint. See to_remove_watchpoint() in target.h
+   for description of parameters. */
+
+int sim_clear_watchpoint (SIM_DESC sd, SIM_ADDR mem, int length, int type);
+
+/* Returns data address when watchpoint has been hit. See
+   to_stopped_data_address() in target.h for description. */
+
+int sim_watchpoint_address (SIM_DESC sd);
+
+/* Returns 1 if simulator was stopped by watchpoint hit. */
+
+int sim_stopped_by_watchpoint(SIM_DESC sd);
+
+/* Returns non-zero if we can set a hardware watchpoint of type TYPE.
+   See to_can_use_hw_breakpoint() in target.h for details. */
+
+int sim_can_use_hw_breakpoint (SIM_DESC sd, int type, int cnt, int othertype);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/sim/arm/wrapper.c b/sim/arm/wrapper.c
index 0ccc7fb..a6871ad 100644
--- a/sim/arm/wrapper.c
+++ b/sim/arm/wrapper.c
@@ -1016,3 +1016,28 @@ sim_complete_command (SIM_DESC sd, const char *text, const char *word)
 {
   return NULL;
 }
+
+int sim_set_watchpoint (SIM_DESC sd, SIM_ADDR mem, int length, int type)
+{
+  return -1;
+}
+
+int sim_clear_watchpoint (SIM_DESC sd, SIM_ADDR mem, int length, int type)
+{
+  return -1;
+}
+
+int sim_stopped_by_watchpoint (SIM_DESC sd)
+{
+  return 0;
+}
+
+int sim_watchpoint_address (SIM_DESC sd)
+{
+  return 0;
+}
+
+int sim_can_use_hw_breakpoint (SIM_DESC sd, int type, int cnt, int othertype)
+{
+  return 0;
+}
diff --git a/sim/avr/interp.c b/sim/avr/interp.c
index 0df5155..ce21cb2 100644
--- a/sim/avr/interp.c
+++ b/sim/avr/interp.c
@@ -1853,3 +1853,28 @@ sim_complete_command (SIM_DESC sd, const char *text, const char *word)
 {
   return NULL;
 }
+
+int sim_set_watchpoint (SIM_DESC sd, SIM_ADDR mem, int length, int type)
+{
+  return -1;
+}
+
+int sim_clear_watchpoint (SIM_DESC sd, SIM_ADDR mem, int length, int type)
+{
+  return -1;
+}
+
+int sim_stopped_by_watchpoint (SIM_DESC sd)
+{
+  return 0;
+}
+
+int sim_watchpoint_address (SIM_DESC sd)
+{
+  return 0;
+}
+
+int sim_can_use_hw_breakpoint (SIM_DESC sd, int type, int cnt, int othertype)
+{
+	  return 0;
+}
diff --git a/sim/bfin/Makefile.in b/sim/bfin/Makefile.in
index 1bf0772..019593c 100644
--- a/sim/bfin/Makefile.in
+++ b/sim/bfin/Makefile.in
@@ -36,6 +36,7 @@ SIM_OBJS = \
 	sim-reg.o \
 	sim-resume.o \
 	sim-stop.o \
+	sim-watch-remote.o \
 	@BFIN_SIM_EXTRA_OBJS@ \
 	$(SIM_EXTRA_OBJS)
 
diff --git a/sim/common/sim-watch-remote.c b/sim/common/sim-watch-remote.c
new file mode 100644
index 0000000..b504f80
--- /dev/null
+++ b/sim/common/sim-watch-remote.c
@@ -0,0 +1,48 @@
+/* The common simulator framework for GDB, the GNU Debugger.
+
+   Copyright 2002-2015 Free Software Foundation, Inc.
+
+   Contributed by Jiri Gaisler.
+
+   This file is part of GDB.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+
+#include "gdb/remote-sim.h"
+
+int sim_set_watchpoint (SIM_DESC sd, SIM_ADDR mem, int length, int type)
+{
+  return -1;
+}
+
+int sim_clear_watchpoint (SIM_DESC sd, SIM_ADDR mem, int length, int type)
+{
+  return -1;
+}
+
+int sim_stopped_by_watchpoint (SIM_DESC sd)
+{
+  return 0;
+}
+
+int sim_watchpoint_address (SIM_DESC sd)
+{
+  return 0;
+}
+
+int sim_can_use_hw_breakpoint (SIM_DESC sd, int type, int cnt, int othertype)
+{
+  return 0;
+}
diff --git a/sim/cr16/interp.c b/sim/cr16/interp.c
index 9c85948..1c79258 100644
--- a/sim/cr16/interp.c
+++ b/sim/cr16/interp.c
@@ -1584,3 +1584,28 @@ sim_load (SIM_DESC sd, const char *prog, struct bfd *abfd, int from_tty)
   prog_bfd_was_opened_p = abfd == NULL;
   return SIM_RC_OK;
 } 
+
+int sim_set_watchpoint (SIM_DESC sd, SIM_ADDR mem, int length, int type)
+{
+  return -1;
+}
+
+int sim_clear_watchpoint (SIM_DESC sd, SIM_ADDR mem, int length, int type)
+{
+  return -1;
+}
+
+int sim_stopped_by_watchpoint (SIM_DESC sd)
+{
+  return 0;
+}
+
+int sim_watchpoint_address (SIM_DESC sd)
+{
+  return 0;
+}
+
+int sim_can_use_hw_breakpoint (SIM_DESC sd, int type, int cnt, int othertype)
+{
+  return 0;
+}
diff --git a/sim/cris/Makefile.in b/sim/cris/Makefile.in
index 1281ac3..63443c8 100644
--- a/sim/cris/Makefile.in
+++ b/sim/cris/Makefile.in
@@ -30,6 +30,7 @@ SIM_OBJS = \
 	sim-hrw.o \
 	sim-model.o \
 	sim-reg.o \
+	sim-watch-remote.o \
 	cgen-utils.o cgen-trace.o cgen-scache.o \
 	cgen-run.o sim-reason.o sim-engine.o sim-stop.o \
 	sim-if.o arch.o \
diff --git a/sim/erc32/interf.c b/sim/erc32/interf.c
index f04041c..3ff8493 100644
--- a/sim/erc32/interf.c
+++ b/sim/erc32/interf.c
@@ -48,41 +48,19 @@ run_sim(sregs, icount, dis)
     if (sis_verbose)
 	(*sim_callback->printf_filtered) (sim_callback, "resuming at %x\n",
 					  sregs->pc);
-   ms->init_stdio();
-   sregs->starttime = get_time();
-   irq = 0;
-   if ((sregs->pc != 0) && (ebase.simtime == 0))
+    ms->init_stdio();
+    sregs->starttime = get_time();
+    irq = 0;
+    if (sregs->err_mode)
+	icount = 0;
+    if ((sregs->pc != 0) && (ebase.simtime == 0))
 	ms->boot_init();
-   while (!sregs->err_mode & (icount > 0)) {
-
+    while (icount > 0) {
 	sregs->fhold = 0;
-	sregs->hold = 0;
 	sregs->icnt = 1;
-
-        if (sregs->psr & 0x080)
-            sregs->asi = 8;
-        else
-            sregs->asi = 9;
-
-#if 0	/* DELETE ME! for debugging purposes only */
-        if (sis_verbose > 1)
-            if (sregs->pc == 0 || sregs->npc == 0)
-                printf ("bogus pc or npc\n");
-#endif
         mexc = ms->memory_iread (sregs->pc, &sregs->inst, &sregs->hold);
-#if 0	/* DELETE ME! for debugging purposes only */
-        if (sis_verbose > 2)
-            printf("pc %x, np %x, sp %x, fp %x, wm %x, cw %x, i %08x\n",
-                   sregs->pc, sregs->npc,
-                   sregs->r[(((sregs->psr & 7) << 4) + 14) & 0x7f],
-                   sregs->r[(((sregs->psr & 7) << 4) + 30) & 0x7f],
-                   sregs->wim,
-                   sregs->psr & 7,
-                   sregs->inst);
-#endif
         if (sregs->annul) {
             sregs->annul = 0;
-            sregs->icnt = 1;
             sregs->pc = sregs->npc;
             sregs->npc = sregs->npc + 4;
         } else {
@@ -91,48 +69,41 @@ run_sim(sregs, icount, dis)
 		if (mexc) {
 		    sregs->trap = I_ACC_EXC;
 		} else {
-		    if ((sis_gdb_break) && (sregs->inst == 0x91d02001)) {
-			if (sis_verbose)
-			    (*sim_callback->printf_filtered) (sim_callback,
-							      "SW BP hit at %x\n", sregs->pc);
-                        ms->sim_halt();
-			ms->restore_stdio();
-			clearerr(stdin);
-			return (BPT_HIT);
-		    } else
-			dispatch_instruction(sregs);
+		    dispatch_instruction(sregs);
+		    icount--;
 		}
-		icount--;
 	    }
 	    if (sregs->trap) {
                 irq = 0;
-		sregs->err_mode = execute_trap(sregs);
+		if ((sregs->err_mode = execute_trap(sregs)) == WPT_HIT) {
+		    sregs->err_mode = 0;
+		    sregs->trap = 0;
+		    icount = 0;
+		}
+		if (sregs->err_mode) icount = 0;
+
 	    }
 	}
 	advance_time(sregs);
-	if (ctrl_c) {
+	if (ctrl_c)
 	    icount = 0;
-	}
     }
     ms->sim_halt();
     sregs->tottime += get_time() - sregs->starttime;
     ms->restore_stdio();
     clearerr(stdin);
-    if (sregs->err_mode)
+    if (sregs->err_mode) {
 	ms->error_mode(sregs->pc);
-    if (sregs->err_mode)
-	return (ERROR);
-    if (sregs->bphit) {
-	if (sis_verbose)
-	    (*sim_callback->printf_filtered) (sim_callback,
-					      "HW BP hit at %x\n", sregs->pc);
-	return (BPT_HIT);
+	return ERROR;
     }
     if (ctrl_c) {
 	ctrl_c = 0;
-	return (CTRL_C);
+	sregs->wphit = sregs->bphit = 0;
+	return CTRL_C;
     }
-    return (TIME_OUT);
+    if ((sregs->bphit) || (sregs->wphit))
+	return BPT_HIT;
+    return TIME_OUT;
 }
 
 void
@@ -414,12 +385,15 @@ sim_stop_reason(sd, reason, sigrc)
 {
 
     switch (simstat) {
-	case CTRL_C:
+    case CTRL_C:
 	*reason = sim_stopped;
 	*sigrc = GDB_SIGNAL_INT;
 	break;
     case OK:
     case TIME_OUT:
+	*reason = sim_stopped;
+	*sigrc = 0;
+	break;
     case BPT_HIT:
 	*reason = sim_stopped;
 	*sigrc = GDB_SIGNAL_TRAP;
@@ -428,8 +402,10 @@ sim_stop_reason(sd, reason, sigrc)
 	*sigrc = 0;
 	*reason = sim_exited;
     }
-    ctrl_c = 0;
-    simstat = OK;
+
+    if (sis_verbose)
+	(*sim_callback->printf_filtered) (sim_callback,
+	    "sim_stop_reason %x : %x\n", *reason, *sigrc);
 }
 
 /* Flush all register windows out to the stack.  Starting after the invalid
@@ -490,7 +466,25 @@ flush_windows ()
 void
 sim_resume(SIM_DESC sd, int step, int siggnal)
 {
-    simstat = run_sim(&sregs, UINT64_MAX, 0);
+    if (sis_verbose)
+	(*sim_callback->printf_filtered) (sim_callback,
+	    "sim_resume %x : %x : %x : %x : 0x%08x\n", step, siggnal, sregs.bphit, sregs.wphit, sregs.pc);
+    if (step) {
+	sregs.bphit = 0;
+	sregs.wphit = 1;
+        simstat = run_sim(&sregs, 1, 0);
+	sregs.bphit = 0;
+	sregs.wphit = 0;
+    } else if (sregs.bphit || sregs.wphit) {
+	sregs.bphit = 0;
+	sregs.wphit = 1;
+        simstat = run_sim(&sregs, 1, 0);
+	sregs.bphit = sregs.wphit = 0;
+        simstat = run_sim(&sregs, UINT64_MAX, 0);
+	sregs.bphit = 0;
+    }
+    else
+        simstat = run_sim(&sregs, UINT64_MAX, 0);
 
     if (sis_gdb_break) flush_windows ();
 }
@@ -525,6 +519,145 @@ sim_stop (SIM_DESC sd)
   return 1;
 }
 
+static int
+sis_insert_watchpoint_read(int addr, unsigned char mask)
+{
+    if (sregs.wprnum < WPR_MAX) {
+	sregs.wprs[sregs.wprnum] = addr;
+	sregs.wprm[sregs.wprnum] = mask;
+	sregs.wprnum++;
+	if (sis_verbose)
+	    (*sim_callback->printf_filtered) (sim_callback, "inserted read watchpoint at %x\n", addr);
+	return SIM_RC_OK;
+    } else
+	return SIM_RC_FAIL;
+}
+
+static int
+sis_remove_watchpoint_read(int addr)
+{
+    int             i = 0;
+
+    while ((i < sregs.wprnum) && (sregs.wprs[i] != addr))
+	i++;
+    if (addr == sregs.wprs[i]) {
+	for (; i < sregs.wprnum - 1; i++)
+	    sregs.wprs[i] = sregs.wprs[i + 1];
+	sregs.wprnum -= 1;
+	if (sis_verbose)
+	    (*sim_callback->printf_filtered) (sim_callback, "removed read watchpoint at %x\n", addr);
+	return 0;
+    }
+    return 1;
+}
+
+static int
+sis_insert_watchpoint_write(int32 addr, unsigned char mask)
+{
+    if (sregs.wpwnum < WPR_MAX) {
+	sregs.wpws[sregs.wpwnum] = addr;
+	sregs.wpwm[sregs.wpwnum] = mask;
+	sregs.wpwnum++;
+	if (sis_verbose)
+	    (*sim_callback->printf_filtered) (sim_callback, "sim_insert_watchpoint_write: 0x%08x : %x\n", addr, mask);
+	return SIM_RC_OK;
+    } else
+	return SIM_RC_FAIL;
+}
+
+static int
+sis_remove_watchpoint_write(int addr)
+{
+    int             i = 0;
+
+    while ((i < sregs.wpwnum) && (sregs.wpws[i] != addr))
+	i++;
+    if (addr == sregs.wpws[i]) {
+	for (; i < sregs.wpwnum - 1; i++)
+	    sregs.wpws[i] = sregs.wpws[i + 1];
+	sregs.wpwnum -= 1;
+	if (sis_verbose)
+	    (*sim_callback->printf_filtered) (sim_callback, "removed write watchpoint at %x\n", addr);
+	return SIM_RC_OK;
+    }
+    return SIM_RC_FAIL;
+}
+
+int sim_can_use_hw_breakpoint (SIM_DESC sd, int type, int cnt, int othertype)
+{
+    if (type == 2)	/* bp_hardware_breakpoint not supported */
+        return 0;
+     else
+	return 1;
+}
+
+
+int sim_set_watchpoint (SIM_DESC sd, SIM_ADDR mem, int length, int type)
+{
+  int res;
+  unsigned char mask;
+
+  switch (length) {
+  case 1:  mask = 0; break;
+  case 2:  mask = 1; break;
+  case 4:  mask = 3; break;
+  default: mask = 7; break;
+  }
+
+  switch (type) {
+    case 0:
+      res = sis_insert_watchpoint_write (mem, mask);
+      break;
+    case 1:
+      res = sis_insert_watchpoint_read (mem, mask);
+      break;
+    case 2:
+      if ((res = sis_insert_watchpoint_write (mem, mask)) == SIM_RC_OK)
+          res = sis_insert_watchpoint_read (mem, mask);
+	  if (res == SIM_RC_FAIL)
+	      sis_remove_watchpoint_read (mem);
+      break;
+    default:
+      res = -1;
+  }
+  return (res);
+}
+
+
+int sim_clear_watchpoint (SIM_DESC sd, SIM_ADDR mem, int length, int type)
+{
+  int res;
+  switch (type) {
+    case 0:
+      res = sis_remove_watchpoint_write (mem);
+      break;
+    case 1:
+      res = sis_remove_watchpoint_read (mem);
+      break;
+    case 2:
+      if ((res = sis_remove_watchpoint_write (mem)) == SIM_RC_OK)
+          res = sis_remove_watchpoint_read (mem);
+      else
+          sis_remove_watchpoint_read (mem);
+      break;
+    default:
+      res = -1;
+  }
+  return (res);
+}
+
+int sim_stopped_by_watchpoint (SIM_DESC sd)
+{
+    if (sis_verbose)
+       (*sim_callback->printf_filtered) (sim_callback, "sim_stopped_by_watchpoint %x\n", sregs.wphit);
+    return((sregs.wphit != 0));
+}
+
+int sim_watchpoint_address (SIM_DESC sd)
+{
+    return(sregs.wpaddress);
+}
+
 #if 0 /* FIXME: These shouldn't exist.  */
 
 int
diff --git a/sim/frv/Makefile.in b/sim/frv/Makefile.in
index 2c1503b..671afe5 100644
--- a/sim/frv/Makefile.in
+++ b/sim/frv/Makefile.in
@@ -26,6 +26,7 @@ SIM_OBJS = \
 	sim-hrw.o \
 	sim-model.o \
 	sim-reg.o \
+	sim-watch-remote.o \
 	cgen-utils.o cgen-trace.o cgen-scache.o cgen-fpu.o cgen-accfp.o \
 	cgen-run.o sim-reason.o sim-engine.o sim-stop.o \
 	sim-if.o arch.o \
diff --git a/sim/h8300/Makefile.in b/sim/h8300/Makefile.in
index 0333a56..4203138 100644
--- a/sim/h8300/Makefile.in
+++ b/sim/h8300/Makefile.in
@@ -22,6 +22,7 @@ SIM_OBJS = compile.o \
 	   sim-cpu.o \
 	   sim-engine.o \
 	   sim-load.o \
+	   sim-watch-remote.o \
 	   $(SIM_EXTRA_OBJS)
 
 ## COMMON_POST_CONFIG_FRAG
diff --git a/sim/iq2000/Makefile.in b/sim/iq2000/Makefile.in
index 57ce255..e88db42 100644
--- a/sim/iq2000/Makefile.in
+++ b/sim/iq2000/Makefile.in
@@ -32,6 +32,7 @@ SIM_OBJS = \
 	cgen-utils.o cgen-trace.o cgen-scache.o \
 	cgen-run.o sim-reason.o sim-engine.o sim-stop.o \
 	sim-if.o arch.o \
+	sim-watch-remote.o \
 	$(IQ2000_OBJS) \
 	$(CONFIG_DEVICES)
 
diff --git a/sim/lm32/Makefile.in b/sim/lm32/Makefile.in
index 61e4137..85b8231 100644
--- a/sim/lm32/Makefile.in
+++ b/sim/lm32/Makefile.in
@@ -16,6 +16,7 @@ SIM_OBJS = \
         cgen-utils.o cgen-trace.o cgen-scache.o \
         cgen-run.o sim-reason.o sim-engine.o sim-stop.o \
         sim-if.o arch.o \
+	sim-watch-remote.o \
         cpu.o decode.o sem.o model.o mloop.o \
         lm32.o traps.o user.o 
 
diff --git a/sim/m32c/gdb-if.c b/sim/m32c/gdb-if.c
index 62ec28c..b8560d5 100644
--- a/sim/m32c/gdb-if.c
+++ b/sim/m32c/gdb-if.c
@@ -710,3 +710,28 @@ sim_complete_command (SIM_DESC sd, const char *text, const char *word)
 {
   return NULL;
 }
+
+int sim_set_watchpoint (SIM_DESC sd, SIM_ADDR mem, int length, int type)
+{
+  return -1;
+}
+
+int sim_clear_watchpoint (SIM_DESC sd, SIM_ADDR mem, int length, int type)
+{
+  return -1;
+}
+
+int sim_stopped_by_watchpoint (SIM_DESC sd)
+{
+  return 0;
+}
+
+int sim_watchpoint_address (SIM_DESC sd)
+{
+  return 0;
+}
+
+int sim_can_use_hw_breakpoint (SIM_DESC sd, int type, int cnt, int othertype)
+{
+  return 0;
+}
diff --git a/sim/m32r/Makefile.in b/sim/m32r/Makefile.in
index 491affd..b12560f 100644
--- a/sim/m32r/Makefile.in
+++ b/sim/m32r/Makefile.in
@@ -34,6 +34,7 @@ SIM_OBJS = \
 	cgen-utils.o cgen-trace.o cgen-scache.o \
 	cgen-run.o sim-reason.o sim-engine.o sim-stop.o \
 	sim-if.o arch.o \
+	sim-watch-remote.o \
 	$(M32R_OBJS) \
 	$(M32RX_OBJS) \
 	$(M32R2_OBJS) \
diff --git a/sim/m68hc11/Makefile.in b/sim/m68hc11/Makefile.in
index f08aa53..43faad8 100644
--- a/sim/m68hc11/Makefile.in
+++ b/sim/m68hc11/Makefile.in
@@ -28,6 +28,7 @@ SIM_OBJS = $(M68HC11_OBJS) \
 	sim-stop.o \
 	sim-hrw.o \
 	sim-reason.o \
+	sim-watch-remote.o \
         $(SIM_EXTRA_OBJS)
 
 SIM_PROFILE= -DPROFILE=1 -DWITH_PROFILE=-1
diff --git a/sim/mcore/interp.c b/sim/mcore/interp.c
index 4eb1a59..f049f4d 100644
--- a/sim/mcore/interp.c
+++ b/sim/mcore/interp.c
@@ -2127,3 +2127,28 @@ sim_set_callbacks (host_callback *ptr)
 {
   callback = ptr;
 }
+
+int sim_set_watchpoint (SIM_DESC sd, SIM_ADDR mem, int length, int type)
+{
+  return -1;
+}
+
+int sim_clear_watchpoint (SIM_DESC sd, SIM_ADDR mem, int length, int type)
+{
+  return -1;
+}
+
+int sim_stopped_by_watchpoint (SIM_DESC sd)
+{
+  return 0;
+}
+
+int sim_watchpoint_address (SIM_DESC sd)
+{
+  return 0;
+}
+
+int sim_can_use_hw_breakpoint (SIM_DESC sd, int type, int cnt, int othertype)
+{
+  return 0;
+}
diff --git a/sim/microblaze/Makefile.in b/sim/microblaze/Makefile.in
index 6dc6e4e..8ad7356 100644
--- a/sim/microblaze/Makefile.in
+++ b/sim/microblaze/Makefile.in
@@ -21,7 +21,7 @@
 SIM_RUN_OBJS = run.o
 SIM_EXTRA_CFLAGS = -DSIM_USE_DEPRECATED_RUN_FRONTEND
 
-SIM_OBJS = interp.o sim-load.o
+SIM_OBJS = interp.o sim-load.o sim-watch-remote.o
 SIM_EXTRA_LIBS = -lm
 
 ## COMMON_POST_CONFIG_FRAG
diff --git a/sim/mips/Makefile.in b/sim/mips/Makefile.in
index 67bce7f..7b2de5e 100644
--- a/sim/mips/Makefile.in
+++ b/sim/mips/Makefile.in
@@ -54,6 +54,7 @@ SIM_OBJS = \
 	sim-stop.o \
 	sim-resume.o \
 	sim-reason.o \
+	sim-watch-remote.o
 
 
 # List of flags to always pass to $(CC).
diff --git a/sim/mn10300/Makefile.in b/sim/mn10300/Makefile.in
index 55b0a3f..41bf132 100644
--- a/sim/mn10300/Makefile.in
+++ b/sim/mn10300/Makefile.in
@@ -27,6 +27,7 @@ MN10300_OBJS = \
 	sim-resume.o \
 	sim-reason.o \
 	sim-stop.o \
+	sim-watch-remote.o \
 	dv-sockser.o
 
 SIM_OBJS = $(MN10300_OBJS) interp.o
diff --git a/sim/moxie/interp.c b/sim/moxie/interp.c
index 1126552..82042d2 100644
--- a/sim/moxie/interp.c
+++ b/sim/moxie/interp.c
@@ -1467,3 +1467,28 @@ sim_set_callbacks (ptr)
 {
   callback = ptr; 
 }
+
+int sim_set_watchpoint (SIM_DESC sd, SIM_ADDR mem, int length, int type)
+{
+  return -1;
+}
+
+int sim_clear_watchpoint (SIM_DESC sd, SIM_ADDR mem, int length, int type)
+{
+  return -1;
+}
+
+int sim_stopped_by_watchpoint (SIM_DESC sd)
+{
+  return 0;
+}
+
+int sim_watchpoint_address (SIM_DESC sd)
+{
+  return 0;
+}
+
+int sim_can_use_hw_breakpoint (SIM_DESC sd, int type, int cnt, int othertype)
+{
+  return 0;
+}
diff --git a/sim/msp430/Makefile.in b/sim/msp430/Makefile.in
index 2034867..a02eecd 100644
--- a/sim/msp430/Makefile.in
+++ b/sim/msp430/Makefile.in
@@ -36,6 +36,7 @@ SIM_OBJS = \
         sim-reg.o \
         sim-resume.o \
         sim-stop.o \
+        sim-watch-remote.o \
         $(SIM_EXTRA_OBJS)
 
 # List of extra dependencies.
diff --git a/sim/ppc/gdb-sim.c b/sim/ppc/gdb-sim.c
index 0269458..3ce3016 100644
--- a/sim/ppc/gdb-sim.c
+++ b/sim/ppc/gdb-sim.c
@@ -1296,3 +1296,28 @@ sim_store_register (SIM_DESC sd, int regno, unsigned char *buf, int length)
   return psim_write_register(simulator, MAX_NR_PROCESSORS,
 			     buf, regname, raw_transfer);
 }
+
+int sim_set_watchpoint (SIM_DESC sd, SIM_ADDR mem, int length, int type)
+{
+  return -1;
+}
+
+int sim_clear_watchpoint (SIM_DESC sd, SIM_ADDR mem, int length, int type)
+{
+  return -1;
+}
+
+int sim_stopped_by_watchpoint (SIM_DESC sd)
+{
+  return 0;
+}
+
+int sim_watchpoint_address (SIM_DESC sd)
+{
+  return 0;
+}
+
+int sim_can_use_hw_breakpoint (SIM_DESC sd, int type, int cnt, int othertype)
+{
+  return 0;
+}
diff --git a/sim/rl78/gdb-if.c b/sim/rl78/gdb-if.c
index 6317a73..262e3e1 100644
--- a/sim/rl78/gdb-if.c
+++ b/sim/rl78/gdb-if.c
@@ -571,3 +571,28 @@ sim_complete_command (SIM_DESC sd, const char *text, const char *word)
 {
     return NULL;
 }
+
+int sim_set_watchpoint (SIM_DESC sd, SIM_ADDR mem, int length, int type)
+{
+  return -1;
+}
+
+int sim_clear_watchpoint (SIM_DESC sd, SIM_ADDR mem, int length, int type)
+{
+  return -1;
+}
+
+int sim_stopped_by_watchpoint (SIM_DESC sd)
+{
+  return 0;
+}
+
+int sim_watchpoint_address (SIM_DESC sd)
+{
+  return 0;
+}
+
+int sim_can_use_hw_breakpoint (SIM_DESC sd, int type, int cnt, int othertype)
+{
+  return 0;
+}
diff --git a/sim/rx/gdb-if.c b/sim/rx/gdb-if.c
index 762c3d2..8140a8b 100644
--- a/sim/rx/gdb-if.c
+++ b/sim/rx/gdb-if.c
@@ -853,3 +853,28 @@ sim_complete_command (SIM_DESC sd, const char *text, const char *word)
 {
   return NULL;
 }
+
+int sim_set_watchpoint (SIM_DESC sd, SIM_ADDR mem, int length, int type)
+{
+  return -1;
+}
+
+int sim_clear_watchpoint (SIM_DESC sd, SIM_ADDR mem, int length, int type)
+{
+  return -1;
+}
+
+int sim_stopped_by_watchpoint (SIM_DESC sd)
+{
+  return 0;
+}
+
+int sim_watchpoint_address (SIM_DESC sd)
+{
+  return 0;
+}
+
+int sim_can_use_hw_breakpoint (SIM_DESC sd, int type, int cnt, int othertype)
+{
+  return 0;
+}
diff --git a/sim/sh/interp.c b/sim/sh/interp.c
index c854174..24f03ed 100644
--- a/sim/sh/interp.c
+++ b/sim/sh/interp.c
@@ -2780,3 +2780,28 @@ sim_complete_command (SIM_DESC sd, const char *text, const char *word)
 {
   return NULL;
 }
+
+int sim_set_watchpoint (SIM_DESC sd, SIM_ADDR mem, int length, int type)
+{
+  return -1;
+}
+
+int sim_clear_watchpoint (SIM_DESC sd, SIM_ADDR mem, int length, int type)
+{
+  return -1;
+}
+
+int sim_stopped_by_watchpoint (SIM_DESC sd)
+{
+  return 0;
+}
+
+int sim_watchpoint_address (SIM_DESC sd)
+{
+  return 0;
+}
+
+int sim_can_use_hw_breakpoint (SIM_DESC sd, int type, int cnt, int othertype)
+{
+  return 0;
+}
diff --git a/sim/sh64/Makefile.in b/sim/sh64/Makefile.in
index 6c23ad9..85d343b 100644
--- a/sim/sh64/Makefile.in
+++ b/sim/sh64/Makefile.in
@@ -34,6 +34,7 @@ SIM_OBJS = \
 	cgen-utils.o cgen-trace.o cgen-scache.o \
 	cgen-run.o sim-reason.o sim-engine.o sim-stop.o \
 	sim-if.o arch.o \
+	sim-watch-remote.o \
 	$(SH64_OBJS) \
 	$(CONFIG_DEVICES)
 
diff --git a/sim/v850/Makefile.in b/sim/v850/Makefile.in
index c8ccde0..424f16a 100644
--- a/sim/v850/Makefile.in
+++ b/sim/v850/Makefile.in
@@ -28,7 +28,8 @@ SIM_OBJS = \
 	sim-hrw.o \
 	sim-resume.o \
 	sim-reason.o \
-	sim-stop.o
+	sim-stop.o \
+	sim-watch-remote.o
 
 # List of extra dependencies.
 # Generally this consists of simulator specific files included by sim-main.h.
-- 
1.9.1


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