Index: include/gdb/ChangeLog

2003-02-20  Andrew Cagney  <ac131313@redhat.com>

	* remote-sim.c (gdbsim_insert_breakpoint)
	(gdbsim_remove_breakpoint): Delete #ifdef SIM_HAS_BREAKPOINTS
	code.

Index: include/gdb/ChangeLog
2003-02-20  Andrew Cagney  <ac131313@redhat.com>

	* remote-sim.h (SIM_RC): Delete unused SIM_RC_UNKNOWN_BREAKPOINT,
	SIM_RC_INSUFFICIENT_RESOURCES and SIM_RC_DUPLICATE_BREAKPOINT.
	(sim_set_breakpoint, sim_clear_breakpoint): Delete declarations.
	(sim_clear_all_breakpoints, sim_enable_breakpoint): Ditto.
	(sim_enable_all_breakpoints, sim_disable_breakpoint): Ditto.
	(sim_disable_all_breakpoints): Ditto.

Index: sim/common/ChangeLog
2003-02-20  Andrew Cagney  <ac131313@redhat.com>

	* Make-common.in (SIM_NEW_COMMON_OBJS): Remove sim-break.o
	(sim-break_h): Delete macro.
	(sim-break.o): Delete rule.
	* sim-break.c: Delete file.
	* sim-break.h: Delete file.
	* sim-base.h [SIM_HAVE_BREAKPOINTS]: Don't include "sim-break.h".
	(STATE_BREAKPOINTS): Delete macro.
	(sim_state_base): Delete field breakpoints.
	* sim-module.c (modules) [SIM_HAVE_BREAKPOINTS]: Don't add
	sim_break_install to array.

6 files changed, 19 insertions, 334 deletions

diff --git a/sim/common/ChangeLog b/sim/common/ChangeLog
index 46a2cc8..2d5f7b8 100644
--- a/sim/common/ChangeLog
+++ b/sim/common/ChangeLog
@@ -1,3 +1,16 @@
+2003-02-20  Andrew Cagney  <ac131313@redhat.com>
+
+	* Make-common.in (SIM_NEW_COMMON_OBJS): Remove sim-break.o
+	(sim-break_h): Delete macro.
+	(sim-break.o): Delete rule.
+	* sim-break.c: Delete file.
+	* sim-break.h: Delete file.
+	* sim-base.h [SIM_HAVE_BREAKPOINTS]: Don't include "sim-break.h".
+	(STATE_BREAKPOINTS): Delete macro.
+	(sim_state_base): Delete field breakpoints.
+	* sim-module.c (modules) [SIM_HAVE_BREAKPOINTS]: Don't add
+	sim_break_install to array.
+
 2003-01-08  Kazu Hirata  <kazu@cs.umass.edu>
 
 	* run.c (usage): Fix typos.
diff --git a/sim/common/Make-common.in b/sim/common/Make-common.in
index e3e1239..9e2c7c4 100644
--- a/sim/common/Make-common.in
+++ b/sim/common/Make-common.in
@@ -161,7 +161,6 @@ SIM_COMMON_HW_OBJS = \
 SIM_NEW_COMMON_OBJS = \
 	sim-arange.o \
 	sim-bits.o \
-	sim-break.o \
 	sim-config.o \
 	sim-core.o \
 	sim-endian.o \
@@ -335,7 +334,6 @@ sim-events_h = $(srccom)/sim-events.h
 sim-fpu_h = $(srccom)/sim-fpu.h
 sim-io_h = $(srccom)/sim-io.h
 sim-options_h = $(srccom)/sim-options.h
-sim-break_h = $(srccom)/sim-break.h
 sim-signal_h = $(srccom)/sim-signal.h
 
 hw-alloc_h = $(srccom)/hw-alloc.h
@@ -477,10 +475,6 @@ sim-watch.o: $(srccom)/sim-watch.c $(sim_main_headers)
 sim-load.o: $(srccom)/sim-load.c $(callback_h)
 	$(CC) -c $(srccom)/sim-load.c $(ALL_CFLAGS)
 
-sim-break.o: $(srccom)/sim-break.c $(sim_main_headers) \
-	  $(sim_break_h)
-	$(CC) -c $(srccom)/sim-break.c $(ALL_CFLAGS)
-
 
 # FIXME This is one very simple-minded way of generating the file hw-config.h
 hw-config.h: Makefile.in $(srccom)/Make-common.in config.status Makefile
diff --git a/sim/common/sim-base.h b/sim/common/sim-base.h
index 420b137..1fbd9b2 100644
--- a/sim/common/sim-base.h
+++ b/sim/common/sim-base.h
@@ -1,5 +1,7 @@
 /* Simulator pseudo baseclass.
-   Copyright (C) 1997-1998 Free Software Foundation, Inc.
+
+   Copyright 1997, 1998, 2003 Free Software Foundation, Inc.
+
    Contributed by Cygnus Support.
 
 This file is part of GDB, the GNU debugger.
@@ -90,9 +92,6 @@ typedef struct _sim_cpu sim_cpu;
 #include "sim-engine.h"
 #include "sim-watch.h"
 #include "sim-memopt.h"
-#ifdef SIM_HAVE_BREAKPOINTS
-#include "sim-break.h"
-#endif
 #include "sim-cpu.h"
 
 /* Global pointer to current state while sim_resume is running.
@@ -227,10 +226,6 @@ typedef struct {
   sim_watchpoints watchpoints;
 #define STATE_WATCHPOINTS(sd) (&(sd)->base.watchpoints)
 
-  /* Pointer to list of breakpoints */
-  struct sim_breakpoint *breakpoints;
-#define STATE_BREAKPOINTS(sd) ((sd)->base.breakpoints)
-
 #if WITH_HW
   struct sim_hw *hw;
 #define STATE_HW(sd) ((sd)->base.hw)
diff --git a/sim/common/sim-break.c b/sim/common/sim-break.c
deleted file mode 100644
index 3b89560..0000000
--- a/sim/common/sim-break.c
+++ /dev/null
@@ -1,278 +0,0 @@
-/* Simulator breakpoint support.
-   Copyright (C) 1997 Free Software Foundation, Inc.
-   Contributed by Cygnus Support.
-
-This file is part of GDB, the GNU debugger.
-
-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 2, 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, write to the Free Software Foundation, Inc.,
-59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
-
-#include <stdio.h>
-
-#include "sim-main.h"
-#include "sim-assert.h"
-#include "sim-break.h"
-
-#ifndef SIM_BREAKPOINT
-#define SIM_BREAKPOINT {0x00}
-#define SIM_BREAKPOINT_SIZE (1)
-#endif
-
-struct
-sim_breakpoint
-{
-  struct sim_breakpoint *next;
-  SIM_ADDR addr;		/* Address of this breakpoint */
-  int flags;
-  unsigned char loc_contents[SIM_BREAKPOINT_SIZE]; /* Contents of addr while
-						      BP is enabled */
-};
-
-#define SIM_BREAK_INSERTED 0x1	/* Breakpoint has been inserted */
-#define SIM_BREAK_DISABLED 0x2	/* Breakpoint is disabled */
-
-static unsigned char sim_breakpoint [] = SIM_BREAKPOINT;
-
-static void insert_breakpoint PARAMS ((SIM_DESC sd,
-				       struct sim_breakpoint *bp));
-static void remove_breakpoint PARAMS ((SIM_DESC sd,
-				       struct sim_breakpoint *bp));
-static SIM_RC resume_handler PARAMS ((SIM_DESC sd));
-static SIM_RC suspend_handler PARAMS ((SIM_DESC sd));
-
-
-/* Do the actual work of inserting a breakpoint into the instruction
-   stream. */
-
-static void
-insert_breakpoint (sd, bp)
-     SIM_DESC sd;
-     struct sim_breakpoint *bp;
-{
-  if (bp->flags & (SIM_BREAK_INSERTED | SIM_BREAK_DISABLED))
-    return;
-
-  sim_core_read_buffer (sd, NULL, exec_map, bp->loc_contents,
-			bp->addr, SIM_BREAKPOINT_SIZE);
-  sim_core_write_buffer (sd, NULL, exec_map, sim_breakpoint,
-			 bp->addr, SIM_BREAKPOINT_SIZE);
-  bp->flags |= SIM_BREAK_INSERTED;
-}
-
-/* Do the actual work of removing a breakpoint. */
-
-static void
-remove_breakpoint (sd, bp)
-     SIM_DESC sd;
-     struct sim_breakpoint *bp;
-{
-  if (!(bp->flags & SIM_BREAK_INSERTED))
-    return;
-
-  sim_core_write_buffer (sd, NULL, exec_map, bp->loc_contents,
-			 bp->addr, SIM_BREAKPOINT_SIZE);
-  bp->flags &= ~SIM_BREAK_INSERTED;
-}
-
-/* Come here when a breakpoint insn is hit.  If it's really a breakpoint, we
-   halt things, and never return.  If it's a false hit, we return to let the
-   caller handle things.  */
-
-void
-sim_handle_breakpoint (sd, cpu, cia)
-     SIM_DESC sd;
-     sim_cpu *cpu;
-     sim_cia cia;
-{
-  struct sim_breakpoint *bp;
-
-  for (bp = STATE_BREAKPOINTS (sd); bp; bp = bp->next)
-    if (bp->addr == CIA_ADDR (cia))
-      break;
-
-  if (!bp || !(bp->flags & SIM_BREAK_INSERTED))
-    return;
-
-  sim_engine_halt (sd, STATE_CPU (sd, 0), NULL, cia, sim_stopped, SIM_SIGTRAP);
-}
-
-/* Handler functions for simulator resume and suspend events. */
-
-static SIM_RC
-resume_handler (sd)
-     SIM_DESC sd;
-{
-  struct sim_breakpoint *bp;
-
-  for (bp = STATE_BREAKPOINTS (sd); bp; bp = bp->next)
-    insert_breakpoint (sd, bp);
-
-  return SIM_RC_OK;
-}
-
-static SIM_RC
-suspend_handler (sd)
-     SIM_DESC sd;
-{
-  struct sim_breakpoint *bp;
-
-  for (bp = STATE_BREAKPOINTS (sd); bp; bp = bp->next)
-    remove_breakpoint (sd, bp);
-
-  return SIM_RC_OK;
-}
-
-/* Called from simulator module initialization.  */
-
-SIM_RC
-sim_break_install (sd)
-     SIM_DESC sd;
-{
-  sim_module_add_resume_fn (sd, resume_handler);
-  sim_module_add_suspend_fn (sd, suspend_handler);
-
-  return SIM_RC_OK;
-}
-
-/* Install a breakpoint.  This is a user-function.  The breakpoint isn't
-   actually installed here.  We just record it.  Resume_handler does the
-   actual work.
-*/
-
-SIM_RC
-sim_set_breakpoint (sd, addr)
-     SIM_DESC sd;
-     SIM_ADDR addr;
-{
-  struct sim_breakpoint *bp;
-
-  for (bp = STATE_BREAKPOINTS (sd); bp; bp = bp->next)
-    if (bp->addr == addr)
-      return SIM_RC_DUPLICATE_BREAKPOINT; /* Already there */
-    else
-      break; /* FIXME: why not scan all bp's? */
-
-  bp = ZALLOC (struct sim_breakpoint);
-
-  bp->addr = addr;
-  bp->next = STATE_BREAKPOINTS (sd);
-  bp->flags = 0;
-  STATE_BREAKPOINTS (sd) = bp;
-
-  return SIM_RC_OK;
-}
-
-/* Delete a breakpoint.  All knowlege of the breakpoint is removed from the
-   simulator.
-*/
-
-SIM_RC
-sim_clear_breakpoint (sd, addr)
-     SIM_DESC sd;
-     SIM_ADDR addr;
-{
-  struct sim_breakpoint *bp, *bpprev;
-
-  for (bp = STATE_BREAKPOINTS (sd), bpprev = NULL;
-       bp;
-       bpprev = bp, bp = bp->next)
-    if (bp->addr == addr)
-      break;
-
-  if (!bp)
-    return SIM_RC_UNKNOWN_BREAKPOINT;
-
-  remove_breakpoint (sd, bp);
-
-  if (bpprev)
-    bpprev->next = bp->next;
-  else
-    STATE_BREAKPOINTS (sd) = NULL;
-
-  zfree (bp);
-
-  return SIM_RC_OK;
-}
-
-SIM_RC
-sim_clear_all_breakpoints (sd)
-     SIM_DESC sd;
-{
-  while (STATE_BREAKPOINTS (sd))
-    sim_clear_breakpoint (sd, STATE_BREAKPOINTS (sd)->addr);
-
-  return SIM_RC_OK;
-}
-
-SIM_RC
-sim_enable_breakpoint (sd, addr)
-     SIM_DESC sd;
-     SIM_ADDR addr;
-{
-  struct sim_breakpoint *bp;
-
-  for (bp = STATE_BREAKPOINTS (sd); bp; bp = bp->next)
-    if (bp->addr == addr)
-      break;
-
-  if (!bp)
-    return SIM_RC_UNKNOWN_BREAKPOINT;
-
-  bp->flags &= ~SIM_BREAK_DISABLED;
-
-  return SIM_RC_OK;
-}
-
-SIM_RC
-sim_disable_breakpoint (sd, addr)
-     SIM_DESC sd;
-     SIM_ADDR addr;
-{
-  struct sim_breakpoint *bp;
-
-  for (bp = STATE_BREAKPOINTS (sd); bp; bp = bp->next)
-    if (bp->addr == addr)
-      break;
-
-  if (!bp)
-    return SIM_RC_UNKNOWN_BREAKPOINT;
-
-  bp->flags |= SIM_BREAK_DISABLED;
-
-  return SIM_RC_OK;
-}
-
-SIM_RC
-sim_enable_all_breakpoints (sd)
-     SIM_DESC sd;
-{
-  struct sim_breakpoint *bp;
-
-  for (bp = STATE_BREAKPOINTS (sd); bp; bp = bp->next)
-    bp->flags &= ~SIM_BREAK_DISABLED;
-
-  return SIM_RC_OK;
-}
-
-SIM_RC
-sim_disable_all_breakpoints (sd)
-     SIM_DESC sd;
-{
-  struct sim_breakpoint *bp;
-
-  for (bp = STATE_BREAKPOINTS (sd); bp; bp = bp->next)
-    bp->flags |= SIM_BREAK_DISABLED;
-
-  return SIM_RC_OK;
-}
diff --git a/sim/common/sim-break.h b/sim/common/sim-break.h
deleted file mode 100644
index 8b0338f..0000000
--- a/sim/common/sim-break.h
+++ /dev/null
@@ -1,38 +0,0 @@
-/* Simulator breakpoint support.
-   Copyright (C) 1997 Free Software Foundation, Inc.
-   Contributed by Cygnus Support.
-
-This file is part of GDB, the GNU debugger.
-
-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 2, 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, write to the Free Software Foundation, Inc.,
-59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
-
-
-#ifndef SIM_BREAK_H
-#define SIM_BREAK_H
-
-/* Call this to install the resume and suspend handlers for the breakpoint
-   module.  */
-
-MODULE_INSTALL_FN sim_break_install;
-
-/* Call this inside the simulator when we execute the potential
-   breakpoint insn.  If the breakpoint system knows about it, the
-   breakpoint is handled, and this routine never returns.  If this
-   isn't really a breakpoint, then it returns to allow the caller to
-   handle things.  */
-
-void sim_handle_breakpoint PARAMS ((SIM_DESC sd, sim_cpu *cpu, sim_cia cia));
-
-#endif /* SIM_BREAK_H */
diff --git a/sim/common/sim-module.c b/sim/common/sim-module.c
index 35eb32a..8f01723 100644
--- a/sim/common/sim-module.c
+++ b/sim/common/sim-module.c
@@ -1,5 +1,7 @@
 /* Module support.
-   Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
+
+   Copyright 1996, 1997, 1998, 2003 Free Software Foundation, Inc.
+
    Contributed by Cygnus Support.
 
 This file is part of GDB, the GNU debugger.
@@ -56,9 +58,6 @@ static MODULE_INSTALL_FN * const modules[] = {
 #if WITH_SCACHE
   scache_install,
 #endif
-#ifdef SIM_HAVE_BREAKPOINTS
-  sim_break_install,
-#endif
 #if WITH_HW
   sim_hw_install,
 #endif