static void procfs_store_registers (struct target_ops *,
struct regcache *, int);
static void procfs_notice_signals (ptid_t);
-static void procfs_kill_inferior (void);
+static void procfs_kill_inferior (struct target_ops *ops);
static void procfs_mourn_inferior (struct target_ops *ops);
static void procfs_create_inferior (struct target_ops *, char *,
char *, char **, int);
then remove it. See comments in procfs_init_inferior()
for more details. */
if (dbx_link_bpt_addr != 0
- && dbx_link_bpt_addr == read_pc ())
+ && dbx_link_bpt_addr
+ == regcache_read_pc (get_current_regcache ()))
remove_dbx_link_breakpoint ();
wstat = (SIGTRAP << 8) | 0177;
static void
procfs_stop (ptid_t ptid)
{
- kill (-inferior_process_group, SIGINT);
+ kill (-inferior_process_group (), SIGINT);
}
/*
*/
static void
-procfs_kill_inferior (void)
+procfs_kill_inferior (struct target_ops *ops)
{
if (!ptid_equal (inferior_ptid, null_ptid)) /* ? */
{
Note: procfs_can_use_hw_breakpoint() is not yet used by all
procfs.c targets due to the fact that some of them still define
- TARGET_CAN_USE_HARDWARE_WATCHPOINT. */
+ target_can_use_hardware_watchpoint. */
static int
procfs_can_use_hw_breakpoint (int type, int cnt, int othertype)
* else returns zero.
*/
-int
-procfs_stopped_by_watchpoint (ptid_t ptid)
+static int
+procfs_stopped_by_watchpoint (void)
{
procinfo *pi;
- pi = find_procinfo_or_die (PIDGET (ptid) == -1 ?
- PIDGET (inferior_ptid) : PIDGET (ptid), 0);
+ pi = find_procinfo_or_die (PIDGET (inferior_ptid), 0);
if (!pi) /* If no process, then not stopped by watchpoint! */
return 0;
return 0;
}
+static int
+procfs_insert_watchpoint (CORE_ADDR addr, int len, int type)
+{
+ if (!target_have_steppable_watchpoint
+ && !gdbarch_have_nonsteppable_watchpoint (current_gdbarch))
+ {
+ /* When a hardware watchpoint fires off the PC will be left at
+ the instruction following the one which caused the
+ watchpoint. It will *NOT* be necessary for GDB to step over
+ the watchpoint. */
+ return procfs_set_watchpoint (inferior_ptid, addr, len, type, 1);
+ }
+ else
+ {
+ /* When a hardware watchpoint fires off the PC will be left at
+ the instruction which caused the watchpoint. It will be
+ necessary for GDB to step over the watchpoint. */
+ return procfs_set_watchpoint (inferior_ptid, addr, len, type, 0);
+ }
+}
+
+static int
+procfs_remove_watchpoint (CORE_ADDR addr, int len, int type)
+{
+ return procfs_set_watchpoint (inferior_ptid, addr, 0, 0, 0);
+}
+
+static int
+procfs_region_ok_for_hw_watchpoint (CORE_ADDR addr, int len)
+{
+ /* The man page for proc(4) on Solaris 2.6 and up says that the
+ system can support "thousands" of hardware watchpoints, but gives
+ no method for finding out how many; It doesn't say anything about
+ the allowed size for the watched area either. So we just tell
+ GDB 'yes'. */
+ return 1;
+}
+
+void
+procfs_use_watchpoints (struct target_ops *t)
+{
+ t->to_stopped_by_watchpoint = procfs_stopped_by_watchpoint;
+ t->to_insert_watchpoint = procfs_insert_watchpoint;
+ t->to_remove_watchpoint = procfs_remove_watchpoint;
+ t->to_region_ok_for_hw_watchpoint = procfs_region_ok_for_hw_watchpoint;
+}
+
/*
* Memory Mappings Functions:
*/
t = procfs_target ();
+#ifdef TARGET_HAS_HARDWARE_WATCHPOINTS
+ procfs_use_watchpoints (t);
+#endif
+
add_target (t);
add_info ("proc", info_proc_cmd, _("\