/* Select target systems and architectures at runtime for GDB.
- Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
- 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+ Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
+ 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
+ Free Software Foundation, Inc.
Contributed by Cygnus Support.
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. */
+ Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA. */
#include "defs.h"
#include <errno.h>
static void default_terminal_info (char *, int);
+static int default_region_ok_for_hw_watchpoint (CORE_ADDR, int);
+
static int default_region_size_ok_for_hw_watchpoint (int);
static int nosymbol (char *, CORE_ADDR *);
static int debug_to_stopped_data_address (struct target_ops *, CORE_ADDR *);
+static int debug_to_region_ok_for_hw_watchpoint (CORE_ADDR, int);
+
static int debug_to_region_size_ok_for_hw_watchpoint (int);
static void debug_to_terminal_init (void);
INHERIT (to_stopped_data_address, t);
INHERIT (to_stopped_by_watchpoint, t);
INHERIT (to_have_continuable_watchpoint, t);
+ INHERIT (to_region_ok_for_hw_watchpoint, t);
INHERIT (to_region_size_ok_for_hw_watchpoint, t);
INHERIT (to_terminal_init, t);
INHERIT (to_terminal_inferior, t);
INHERIT (to_remove_fork_catchpoint, t);
INHERIT (to_insert_vfork_catchpoint, t);
INHERIT (to_remove_vfork_catchpoint, t);
- INHERIT (to_follow_fork, t);
+ /* Do not inherit to_follow_fork. */
INHERIT (to_insert_exec_catchpoint, t);
INHERIT (to_remove_exec_catchpoint, t);
INHERIT (to_reported_exec_events_per_exec_call, t);
de_fault (to_stopped_data_address,
(int (*) (struct target_ops *, CORE_ADDR *))
return_zero);
+ de_fault (to_region_ok_for_hw_watchpoint,
+ default_region_ok_for_hw_watchpoint);
de_fault (to_region_size_ok_for_hw_watchpoint,
default_region_size_ok_for_hw_watchpoint);
de_fault (to_terminal_init,
de_fault (to_remove_vfork_catchpoint,
(int (*) (int))
tcomplain);
- de_fault (to_follow_fork,
- (int (*) (int))
- target_ignore);
de_fault (to_insert_exec_catchpoint,
(void (*) (int))
tcomplain);
/* Perform a partial memory transfer.
- Result is -1 on error, or the number of bytes transfered. */
+ If we succeed, set *ERR to zero and return the number of bytes transferred.
+ If we fail, set *ERR to a non-zero errno value, and return -1. */
static int
-target_xfer_memory_partial (CORE_ADDR memaddr, char *myaddr, int len,
+target_xfer_memory_partial (CORE_ADDR memaddr, gdb_byte *myaddr, int len,
int write_p, int *err)
{
int res;
}
int
-target_read_memory_partial (CORE_ADDR memaddr, char *buf, int len, int *err)
+target_read_memory_partial (CORE_ADDR memaddr, gdb_byte *buf,
+ int len, int *err)
{
if (target_xfer_partial_p ())
{
}
int
-target_write_memory_partial (CORE_ADDR memaddr, char *buf, int len, int *err)
+target_write_memory_partial (CORE_ADDR memaddr, gdb_byte *buf,
+ int len, int *err)
{
if (target_xfer_partial_p ())
{
get_target_memory_unsigned (struct target_ops *ops,
CORE_ADDR addr, int len)
{
- char buf[sizeof (ULONGEST)];
+ gdb_byte buf[sizeof (ULONGEST)];
gdb_assert (len <= sizeof (buf));
get_target_memory (ops, addr, buf, len);
return saved_async_masked_status;
}
+/* Look through the list of possible targets for a target that can
+ follow forks. */
+
+int
+target_follow_fork (int follow_child)
+{
+ struct target_ops *t;
+
+ for (t = current_target.beneath; t != NULL; t = t->beneath)
+ {
+ if (t->to_follow_fork != NULL)
+ {
+ int retval = t->to_follow_fork (t, follow_child);
+ if (targetdebug)
+ fprintf_unfiltered (gdb_stdlog, "target_follow_fork (%d) = %d\n",
+ follow_child, retval);
+ return retval;
+ }
+ }
+
+ /* Some target returned a fork event, but did not know how to follow it. */
+ internal_error (__FILE__, __LINE__,
+ "could not find a target to follow fork");
+}
+
/* Look through the list of possible targets for a target that can
execute a run or attach command without any other data. This is
used to locate the default process stratum.
return;
}
+static int
+default_region_ok_for_hw_watchpoint (CORE_ADDR addr, int len)
+{
+ return TARGET_REGION_SIZE_OK_FOR_HW_WATCHPOINT (len);
+}
+
static int
default_region_size_ok_for_hw_watchpoint (int byte_count)
{
normal_pid_to_str (ptid_t ptid)
{
static char buf[32];
- int size;
- size = snprintf (buf, sizeof buf, "process %d", ptid_get_pid (ptid));
- gdb_assert (size < sizeof buf);
+ xsnprintf (buf, sizeof buf, "process %d", ptid_get_pid (ptid));
return buf;
}
return retval;
}
+static int
+debug_to_region_ok_for_hw_watchpoint (CORE_ADDR addr, int len)
+{
+ CORE_ADDR retval;
+
+ retval = debug_target.to_region_ok_for_hw_watchpoint (addr, len);
+
+ fprintf_unfiltered (gdb_stdlog,
+ "TARGET_REGION_OK_FOR_HW_WATCHPOINT (%ld, %ld) = 0x%lx\n",
+ (unsigned long) addr,
+ (unsigned long) len,
+ (unsigned long) retval);
+ return retval;
+}
+
static int
debug_to_region_size_ok_for_hw_watchpoint (int byte_count)
{
return retval;
}
-static int
-debug_to_follow_fork (int follow_child)
-{
- int retval = debug_target.to_follow_fork (follow_child);
-
- fprintf_unfiltered (gdb_stdlog, "target_follow_fork (%d) = %d\n",
- follow_child, retval);
-
- return retval;
-}
-
static void
debug_to_insert_exec_catchpoint (int pid)
{
current_target.to_remove_watchpoint = debug_to_remove_watchpoint;
current_target.to_stopped_by_watchpoint = debug_to_stopped_by_watchpoint;
current_target.to_stopped_data_address = debug_to_stopped_data_address;
+ current_target.to_region_ok_for_hw_watchpoint = debug_to_region_ok_for_hw_watchpoint;
current_target.to_region_size_ok_for_hw_watchpoint = debug_to_region_size_ok_for_hw_watchpoint;
current_target.to_terminal_init = debug_to_terminal_init;
current_target.to_terminal_inferior = debug_to_terminal_inferior;
current_target.to_remove_fork_catchpoint = debug_to_remove_fork_catchpoint;
current_target.to_insert_vfork_catchpoint = debug_to_insert_vfork_catchpoint;
current_target.to_remove_vfork_catchpoint = debug_to_remove_vfork_catchpoint;
- current_target.to_follow_fork = debug_to_follow_fork;
current_target.to_insert_exec_catchpoint = debug_to_insert_exec_catchpoint;
current_target.to_remove_exec_catchpoint = debug_to_remove_exec_catchpoint;
current_target.to_reported_exec_events_per_exec_call = debug_to_reported_exec_events_per_exec_call;
projects / deliverable / binutils-gdb.git / blobdiff