Initial creation of sourceware repository

1 files changed, 0 insertions, 278 deletions

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;
-}