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.
2003-02-20 Andrew Cagney <ac131313@redhat.com>
+ * remote-sim.c (gdbsim_insert_breakpoint)
+ (gdbsim_remove_breakpoint): Delete #ifdef SIM_HAS_BREAKPOINTS
+ code.
+
+2003-02-20 Andrew Cagney <ac131313@redhat.com>
+
* remote.c (_initialize_remote): Add commands "set/show remote
hardware-watchpoint-limit" and "set/show remote
hardware-breakpoint-limit".
static int
gdbsim_insert_breakpoint (CORE_ADDR addr, char *contents_cache)
{
-#ifdef SIM_HAS_BREAKPOINTS
- SIM_RC retcode;
-
- retcode = sim_set_breakpoint (gdbsim_desc, addr);
-
- switch (retcode)
- {
- case SIM_RC_OK:
- return 0;
- case SIM_RC_INSUFFICIENT_RESOURCES:
- return ENOMEM;
- default:
- return EIO;
- }
-#else
return memory_insert_breakpoint (addr, contents_cache);
-#endif
}
static int
gdbsim_remove_breakpoint (CORE_ADDR addr, char *contents_cache)
{
-#ifdef SIM_HAS_BREAKPOINTS
- SIM_RC retcode;
-
- retcode = sim_clear_breakpoint (gdbsim_desc, addr);
-
- switch (retcode)
- {
- case SIM_RC_OK:
- case SIM_RC_UNKNOWN_BREAKPOINT:
- return 0;
- case SIM_RC_INSUFFICIENT_RESOURCES:
- return ENOMEM;
- default:
- return EIO;
- }
-#else
return memory_remove_breakpoint (addr, contents_cache);
-#endif
}
/* Pass the command argument through to the simulator verbatim. The
+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.
+
2002-12-26 Kazu Hirata <kazu@cs.umass.edu>
* sim-h8300.h: Remove ^M.
typedef enum {
SIM_RC_FAIL = 0,
- SIM_RC_OK = 1,
- SIM_RC_UNKNOWN_BREAKPOINT = 2,
- SIM_RC_INSUFFICIENT_RESOURCES = 3,
- SIM_RC_DUPLICATE_BREAKPOINT = 4
+ SIM_RC_OK = 1
} SIM_RC;
void sim_do_command PARAMS ((SIM_DESC sd, char *cmd));
-/* Call these functions to set and clear breakpoints at ADDR. */
-
-SIM_RC sim_set_breakpoint PARAMS ((SIM_DESC sd, SIM_ADDR addr));
-SIM_RC sim_clear_breakpoint PARAMS ((SIM_DESC sd, SIM_ADDR addr));
-SIM_RC sim_clear_all_breakpoints PARAMS ((SIM_DESC sd));
-
-/* These functions are used to enable and disable breakpoints. */
-
-SIM_RC sim_enable_breakpoint PARAMS ((SIM_DESC sd, SIM_ADDR addr));
-SIM_RC sim_disable_breakpoint PARAMS ((SIM_DESC sd, SIM_ADDR addr));
-SIM_RC sim_enable_all_breakpoints PARAMS ((SIM_DESC sd));
-SIM_RC sim_disable_all_breakpoints PARAMS ((SIM_DESC sd));
-
#ifdef __cplusplus
}
#endif
+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.
SIM_NEW_COMMON_OBJS = \
sim-arange.o \
sim-bits.o \
- sim-break.o \
sim-config.o \
sim-core.o \
sim-endian.o \
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
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
/* 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.
#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.
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)
#endif
+ /* Should image loads be performed using the LMA or VMA? Older
+ simulators use the VMA while newer simulators prefer the LMA. */
+ int load_at_lma_p;
+#define STATE_LOAD_AT_LMA_P(SD) ((SD)->base.load_at_lma_p)
/* Marker for those wanting to do sanity checks.
This should remain the last member of this struct to help catch
+++ /dev/null
-/* 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;
-}
+++ /dev/null
-/* 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 */
/* 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.
#if WITH_SCACHE
scache_install,
#endif
-#ifdef SIM_HAVE_BREAKPOINTS
- sim_break_install,
-#endif
#if WITH_HW
sim_hw_install,
#endif
OSDN Git Service
