* procfs.c (procfs_insert_watchpoint, procfs_remove_watchpoint)
(procfs_region_ok_for_hw_watchpoint, procfs_use_watchpoints): New functions. (procfs_stopped_by_watchpoint): Made static, ptid argument removed. (_initialize_procfs): Register new watchpoint related target functions. * config/i386/nm-i386sol2.h (TARGET_CAN_USE_HARDWARE_WATCHPOINT) (TARGET_REGION_SIZE_OK_FOR_HW_WATCHPOINT, STOPPED_BY_WATCHPOINT) (HAVE_CONTINUABLE_WATCHPOINT): Delete. (target_insert_watchpoint, target_remove_watchpoint): Delete. (procfs_stopped_by_watchpoint, procfs_set_watchpoint): Delete declarations. * config/mips/nm-irix5.h (STOPPED_BY_WATCHPOINT) (TARGET_REGION_SIZE_OK_FOR_HW_WATCHPOINT): Delete. (target_insert_watchpoint, target_remove_watchpoint): Delete. (procfs_stopped_by_watchpoint, procfs_set_watchpoint): Delete declarations. * config/sparc/nm-sol2.h (TARGET_REGION_SIZE_OK_FOR_HW_WATCHPOINT) (HAVE_CONTINUABLE_WATCHPOINT, STOPPED_BY_WATCHPOINT): Delete. (target_insert_watchpoint, target_remove_watchpoint): Delete. (procfs_stopped_by_watchpoint, procfs_set_watchpoint): Delete declarations.
This commit is contained in:
parent
51f4db8353
commit
25513619db
|
@ -1,3 +1,30 @@
|
|||
2009-05-06 Pierre Muller <muller.u-strasbg.fr>
|
||||
Pedro Alves <pedro@codesourcery.com>
|
||||
|
||||
* procfs.c (procfs_insert_watchpoint, procfs_remove_watchpoint)
|
||||
(procfs_region_ok_for_hw_watchpoint, procfs_use_watchpoints): New
|
||||
functions.
|
||||
(procfs_stopped_by_watchpoint): Made static, ptid argument
|
||||
removed.
|
||||
(_initialize_procfs): Register new watchpoint related target
|
||||
functions.
|
||||
* config/i386/nm-i386sol2.h (TARGET_CAN_USE_HARDWARE_WATCHPOINT)
|
||||
(TARGET_REGION_SIZE_OK_FOR_HW_WATCHPOINT, STOPPED_BY_WATCHPOINT)
|
||||
(HAVE_CONTINUABLE_WATCHPOINT): Delete.
|
||||
(target_insert_watchpoint, target_remove_watchpoint): Delete.
|
||||
(procfs_stopped_by_watchpoint, procfs_set_watchpoint): Delete
|
||||
declarations.
|
||||
* config/mips/nm-irix5.h (STOPPED_BY_WATCHPOINT)
|
||||
(TARGET_REGION_SIZE_OK_FOR_HW_WATCHPOINT): Delete.
|
||||
(target_insert_watchpoint, target_remove_watchpoint): Delete.
|
||||
(procfs_stopped_by_watchpoint, procfs_set_watchpoint): Delete
|
||||
declarations.
|
||||
* config/sparc/nm-sol2.h (TARGET_REGION_SIZE_OK_FOR_HW_WATCHPOINT)
|
||||
(HAVE_CONTINUABLE_WATCHPOINT, STOPPED_BY_WATCHPOINT): Delete.
|
||||
(target_insert_watchpoint, target_remove_watchpoint): Delete.
|
||||
(procfs_stopped_by_watchpoint, procfs_set_watchpoint): Delete
|
||||
declarations.
|
||||
|
||||
2009-05-06 Hui Zhu <teawater@gmail.com>
|
||||
|
||||
* i386-tdep.c (i386_process_record): Change bzero to memset.
|
||||
|
|
|
@ -20,17 +20,6 @@
|
|||
|
||||
#define TARGET_HAS_HARDWARE_WATCHPOINTS
|
||||
|
||||
/* The man page for proc4 on solaris 6 and 7 says that the system
|
||||
can support "thousands" of hardware watchpoints, but gives no
|
||||
method for finding out how many. So just tell GDB 'yes'. */
|
||||
#define TARGET_CAN_USE_HARDWARE_WATCHPOINT(TYPE, CNT, OT) 1
|
||||
#define TARGET_REGION_SIZE_OK_FOR_HW_WATCHPOINT(SIZE) 1
|
||||
|
||||
/* 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. */
|
||||
#define HAVE_CONTINUABLE_WATCHPOINT 1
|
||||
|
||||
/* Solaris x86 2.6 and 2.7 targets have a kernel bug when stepping
|
||||
over an instruction that causes a page fault without triggering
|
||||
a hardware watchpoint. The kernel properly notices that it shouldn't
|
||||
|
@ -41,17 +30,4 @@
|
|||
step anyway. */
|
||||
#define CANNOT_STEP_HW_WATCHPOINTS
|
||||
|
||||
extern int procfs_stopped_by_watchpoint (ptid_t);
|
||||
#define STOPPED_BY_WATCHPOINT(W) \
|
||||
procfs_stopped_by_watchpoint(inferior_ptid)
|
||||
|
||||
/* Use these macros for watchpoint insertion/deletion. */
|
||||
/* type can be 0: write watch, 1: read watch, 2: access watch (read/write) */
|
||||
|
||||
extern int procfs_set_watchpoint (ptid_t, CORE_ADDR, int, int, int);
|
||||
#define target_insert_watchpoint(ADDR, LEN, TYPE) \
|
||||
procfs_set_watchpoint (inferior_ptid, ADDR, LEN, TYPE, 1)
|
||||
#define target_remove_watchpoint(ADDR, LEN, TYPE) \
|
||||
procfs_set_watchpoint (inferior_ptid, ADDR, 0, 0, 0)
|
||||
|
||||
#endif /* NEW_PROC_API */
|
||||
|
|
|
@ -19,26 +19,3 @@
|
|||
along with this program. If not, see <http://www.gnu.org/licenses/>. */
|
||||
|
||||
#define TARGET_HAS_HARDWARE_WATCHPOINTS
|
||||
|
||||
/* TARGET_CAN_USE_HARDWARE_WATCHPOINT is now defined to go through
|
||||
the target vector. For Irix5, procfs_can_use_hw_watchpoint()
|
||||
should be invoked. */
|
||||
|
||||
/* 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. */
|
||||
|
||||
#define STOPPED_BY_WATCHPOINT(W) \
|
||||
procfs_stopped_by_watchpoint(inferior_ptid)
|
||||
extern int procfs_stopped_by_watchpoint (ptid_t);
|
||||
|
||||
/* Use these macros for watchpoint insertion/deletion. */
|
||||
/* type can be 0: write watch, 1: read watch, 2: access watch (read/write) */
|
||||
#define target_insert_watchpoint(ADDR, LEN, TYPE) \
|
||||
procfs_set_watchpoint (inferior_ptid, ADDR, LEN, TYPE, 0)
|
||||
#define target_remove_watchpoint(ADDR, LEN, TYPE) \
|
||||
procfs_set_watchpoint (inferior_ptid, ADDR, 0, 0, 0)
|
||||
extern int procfs_set_watchpoint (ptid_t, CORE_ADDR, int, int, int);
|
||||
|
||||
#define TARGET_REGION_SIZE_OK_FOR_HW_WATCHPOINT(SIZE) 1
|
||||
|
||||
|
|
|
@ -30,31 +30,6 @@
|
|||
|
||||
#define TARGET_HAS_HARDWARE_WATCHPOINTS
|
||||
|
||||
/* 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'. */
|
||||
#define TARGET_REGION_SIZE_OK_FOR_HW_WATCHPOINT(SIZE) 1
|
||||
|
||||
/* 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. */
|
||||
#define HAVE_CONTINUABLE_WATCHPOINT 1
|
||||
|
||||
extern int procfs_stopped_by_watchpoint (ptid_t);
|
||||
#define STOPPED_BY_WATCHPOINT(W) \
|
||||
procfs_stopped_by_watchpoint(inferior_ptid)
|
||||
|
||||
/* Use these macros for watchpoint insertion/deletion. TYPE can be 0
|
||||
(write watch), 1 (read watch), 2 (access watch (read/write). */
|
||||
|
||||
extern int procfs_set_watchpoint (ptid_t, CORE_ADDR, int, int, int);
|
||||
#define target_insert_watchpoint(ADDR, LEN, TYPE) \
|
||||
procfs_set_watchpoint (inferior_ptid, ADDR, LEN, TYPE, 1)
|
||||
#define target_remove_watchpoint(ADDR, LEN, TYPE) \
|
||||
procfs_set_watchpoint (inferior_ptid, ADDR, 0, 0, 0)
|
||||
|
||||
#endif /* NEW_PROC_API */
|
||||
|
||||
#endif /* nm-sol2.h */
|
||||
|
|
58
gdb/procfs.c
58
gdb/procfs.c
|
@ -5322,13 +5322,12 @@ 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;
|
||||
|
@ -5350,6 +5349,53 @@ procfs_stopped_by_watchpoint (ptid_t ptid)
|
|||
return 0;
|
||||
}
|
||||
|
||||
static int
|
||||
procfs_insert_watchpoint (CORE_ADDR addr, int len, int type)
|
||||
{
|
||||
if (!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:
|
||||
*/
|
||||
|
@ -5971,6 +6017,10 @@ _initialize_procfs (void)
|
|||
|
||||
t = procfs_target ();
|
||||
|
||||
#ifdef TARGET_HAS_HARDWARE_WATCHPOINTS
|
||||
procfs_use_watchpoints (t);
|
||||
#endif
|
||||
|
||||
add_target (t);
|
||||
|
||||
add_info ("proc", info_proc_cmd, _("\
|
||||
|
|
Loading…
Reference in New Issue