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-rw-r--r--gdb/ChangeLog32
-rw-r--r--gdb/breakpoint.c3
-rw-r--r--gdb/config/frv/tm-frv.h9
-rw-r--r--gdb/config/i386/nm-i386.h14
-rw-r--r--gdb/config/ia64/nm-linux.h8
-rw-r--r--gdb/frv-tdep.c21
-rw-r--r--gdb/i386-nat.c22
-rw-r--r--gdb/ia64-linux-nat.c15
-rw-r--r--gdb/remote-m32r-sdi.c15
-rw-r--r--gdb/remote.c13
-rw-r--r--gdb/target.c30
-rw-r--r--gdb/target.h11
12 files changed, 146 insertions, 47 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index aac4335..85d1d41 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,35 @@
+2004-10-08 Jeff Johnston <jjohnstn@redhat.com>
+
+ * target.h (to_stopped_data_address): Change prototype to
+ take a CORE_ADDR pointer and return an int.
+ * target.c (update_current_target): Change to_stopped_data_address
+ to match new prototype.
+ (debug_to_stopped_data_address): Change appropriately.
+ * breakpoint.c (bpstat_stop_status): Change call to
+ target_stopped_data_address to use new prototype.
+ * frv-tdep.c (frv_have_stopped_data_address): New function.
+ (frv_stopped_data_address): Change to new prototype and
+ functionality.
+ * ia64-linux-nat.c (ia64_stopped_data_address): Change to new
+ prototype and functionality.
+ (ia64_stopped_by_watchpoint): New function.
+ * i386-nat.c (i386_stopped_data_address): Change to new
+ prototype and functionality.
+ (i386_stopped_by_watchpoint): New function.
+ * remote.c (remote_stopped_data_address): Change to new prototype
+ and functionality.
+ * remote-m32r-sdi.c (m32r_stopped_data_address): Ditto.
+ * config/frv/tm-frv.h (frv_stopped_data_address): Change prototype.
+ (STOPPED_BY_WATCHPOINT): Change to use frv_have_stopped_data_address.
+ * config/i386/nm-i386.h (STOPPED_BY_WATCHPOINT): Change to use
+ new i386_stopped_by_watchpoint function.
+ (i386_stopped_by_watchpoint): New prototype.
+ (i386_stoppped_data_address): Change to new prototype.
+ * config/ia64/nm-linux.h (STOPPED_BY_WATCHPOINT): Change to use
+ new ia64_stopped_by_watchpoint function.
+ (ia64_stopped_by_watchpoint): New prototype.
+ (ia64_stopped_data_address): Ditto.
+
2004-10-08 Paul Hilfinger <Hilfinger@gnat.com>
* ada-typeprint.c (ada_print_type): Use int_string for printing
diff --git a/gdb/breakpoint.c b/gdb/breakpoint.c
index 7e9e669..eac34b8 100644
--- a/gdb/breakpoint.c
+++ b/gdb/breakpoint.c
@@ -2741,8 +2741,7 @@ bpstat_stop_status (CORE_ADDR bp_addr, ptid_t ptid, int stopped_by_watchpoint)
struct value *v;
int found = 0;
- addr = target_stopped_data_address ();
- if (addr == 0)
+ if (!target_stopped_data_address (&current_target, &addr))
continue;
for (v = b->val_chain; v; v = v->next)
{
diff --git a/gdb/config/frv/tm-frv.h b/gdb/config/frv/tm-frv.h
index b8f677d..4374872 100644
--- a/gdb/config/frv/tm-frv.h
+++ b/gdb/config/frv/tm-frv.h
@@ -1,5 +1,5 @@
/* Target definitions for the Fujitsu FR-V, for GDB, the GNU Debugger.
- Copyright 2000 Free Software Foundation, Inc.
+ Copyright 2000, 2004 Free Software Foundation, Inc.
This file is part of GDB.
@@ -33,10 +33,11 @@ extern int frv_check_watch_resources (int type, int cnt, int ot);
#define STOPPED_BY_WATCHPOINT(W) \
((W).kind == TARGET_WAITKIND_STOPPED \
&& (W).value.sig == TARGET_SIGNAL_TRAP \
- && (frv_stopped_data_address() != ((CORE_ADDR)0)))
-extern CORE_ADDR frv_stopped_data_address(void);
+ && frv_have_stopped_data_address())
+extern int frv_have_stopped_data_address(void);
/* Use these macros for watchpoint insertion/deletion. */
-#define target_stopped_data_address() frv_stopped_data_address()
+#define target_stopped_data_address(target, x) frv_stopped_data_address(x)
+extern int frv_stopped_data_address(CORE_ADDR *addr_p);
#include "solib.h" /* Include support for shared libraries. */
diff --git a/gdb/config/i386/nm-i386.h b/gdb/config/i386/nm-i386.h
index 2692cae..265c8e0 100644
--- a/gdb/config/i386/nm-i386.h
+++ b/gdb/config/i386/nm-i386.h
@@ -47,10 +47,10 @@ extern int i386_region_ok_for_watchpoint (CORE_ADDR addr, int len);
triggered. */
extern int i386_stopped_by_hwbp (void);
-/* If the inferior has some break/watchpoint that triggered, return
- the address associated with that break/watchpoint. Otherwise,
- return zero. */
-extern CORE_ADDR i386_stopped_data_address (void);
+/* If the inferior has some break/watchpoint that triggered, set
+ the address associated with that break/watchpoint and return
+ true. Otherwise, return false. */
+extern int i386_stopped_data_address (CORE_ADDR *);
/* Insert a hardware-assisted breakpoint at address ADDR. SHADOW is
unused. Return 0 on success, EBUSY on failure. */
@@ -91,9 +91,11 @@ extern int i386_remove_hw_breakpoint (CORE_ADDR addr, void *shadow);
#define HAVE_CONTINUABLE_WATCHPOINT 1
-#define STOPPED_BY_WATCHPOINT(W) (i386_stopped_data_address () != 0)
+extern int i386_stopped_by_watchpoint (void);
-#define target_stopped_data_address() i386_stopped_data_address ()
+#define STOPPED_BY_WATCHPOINT(W) (i386_stopped_by_watchpoint () != 0)
+
+#define target_stopped_data_address(target, x) i386_stopped_data_address(x)
/* Use these macros for watchpoint insertion/removal. */
diff --git a/gdb/config/ia64/nm-linux.h b/gdb/config/ia64/nm-linux.h
index 1a5539a..fb8675f 100644
--- a/gdb/config/ia64/nm-linux.h
+++ b/gdb/config/ia64/nm-linux.h
@@ -58,8 +58,12 @@ extern int ia64_cannot_store_register (int regno);
#define HAVE_STEPPABLE_WATCHPOINT 1
#define STOPPED_BY_WATCHPOINT(W) \
- ia64_linux_stopped_by_watchpoint (inferior_ptid)
-extern CORE_ADDR ia64_linux_stopped_by_watchpoint (ptid_t ptid);
+ ia64_linux_stopped_by_watchpoint ()
+extern int ia64_linux_stopped_by_watchpoint ();
+
+#define target_stopped_data_address(target, x) \
+ ia64_linux_stopped_data_address(x)
+extern int ia64_linux_stopped_data_address (CORE_ADDR *addr_p);
#define target_insert_watchpoint(addr, len, type) \
ia64_linux_insert_watchpoint (inferior_ptid, addr, len, type)
diff --git a/gdb/frv-tdep.c b/gdb/frv-tdep.c
index 7bc09f0..30e1928 100644
--- a/gdb/frv-tdep.c
+++ b/gdb/frv-tdep.c
@@ -1293,8 +1293,8 @@ frv_check_watch_resources (int type, int cnt, int ot)
}
-CORE_ADDR
-frv_stopped_data_address (void)
+int
+frv_stopped_data_address (CORE_ADDR *addr_p)
{
CORE_ADDR brr, dbar0, dbar1, dbar2, dbar3;
@@ -1305,15 +1305,24 @@ frv_stopped_data_address (void)
dbar3 = read_register (dbar3_regnum);
if (brr & (1<<11))
- return dbar0;
+ *addr_p = dbar0;
else if (brr & (1<<10))
- return dbar1;
+ *addr_p = dbar1;
else if (brr & (1<<9))
- return dbar2;
+ *addr_p = dbar2;
else if (brr & (1<<8))
- return dbar3;
+ *addr_p = dbar3;
else
return 0;
+
+ return 1;
+}
+
+int
+frv_have_stopped_data_address (void)
+{
+ CORE_ADDR addr = 0;
+ return frv_stopped_data_address (&addr);
}
static CORE_ADDR
diff --git a/gdb/i386-nat.c b/gdb/i386-nat.c
index 95b4609..6b5f49b 100644
--- a/gdb/i386-nat.c
+++ b/gdb/i386-nat.c
@@ -564,14 +564,16 @@ i386_region_ok_for_watchpoint (CORE_ADDR addr, int len)
return nregs <= DR_NADDR ? 1 : 0;
}
-/* If the inferior has some watchpoint that triggered, return the
- address associated with that watchpoint. Otherwise, return zero. */
+/* If the inferior has some watchpoint that triggered, set the
+ address associated with that watchpoint and return non-zero.
+ Otherwise, return zero. */
-CORE_ADDR
-i386_stopped_data_address (void)
+int
+i386_stopped_data_address (CORE_ADDR *addr_p)
{
CORE_ADDR addr = 0;
int i;
+ int rc = 0;
dr_status_mirror = I386_DR_LOW_GET_STATUS ();
@@ -586,6 +588,7 @@ i386_stopped_data_address (void)
&& I386_DR_GET_RW_LEN (i) != 0)
{
addr = dr_mirror[i];
+ rc = 1;
if (maint_show_dr)
i386_show_dr ("watchpoint_hit", addr, -1, hw_write);
}
@@ -593,7 +596,16 @@ i386_stopped_data_address (void)
if (maint_show_dr && addr == 0)
i386_show_dr ("stopped_data_addr", 0, 0, hw_write);
- return addr;
+ if (rc)
+ *addr_p = addr;
+ return rc;
+}
+
+int
+i386_stopped_by_watchpoint (void)
+{
+ CORE_ADDR addr = 0;
+ return i386_stopped_data_address (&addr);
}
/* Return non-zero if the inferior has some break/watchpoint that
diff --git a/gdb/ia64-linux-nat.c b/gdb/ia64-linux-nat.c
index 09daf24..3a61730 100644
--- a/gdb/ia64-linux-nat.c
+++ b/gdb/ia64-linux-nat.c
@@ -636,12 +636,13 @@ ia64_linux_remove_watchpoint (ptid_t ptid, CORE_ADDR addr, int len)
return -1;
}
-CORE_ADDR
-ia64_linux_stopped_by_watchpoint (ptid_t ptid)
+int
+ia64_linux_stopped_data_address (CORE_ADDR *addr_p)
{
CORE_ADDR psr;
int tid;
struct siginfo siginfo;
+ ptid_t ptid = inferior_ptid;
tid = TIDGET(ptid);
if (tid == 0)
@@ -659,7 +660,15 @@ ia64_linux_stopped_by_watchpoint (ptid_t ptid)
for the next instruction */
write_register_pid (IA64_PSR_REGNUM, psr, ptid);
- return (CORE_ADDR) siginfo.si_addr;
+ *addr_p = (CORE_ADDR)siginfo.si_addr;
+ return 1;
+}
+
+int
+ia64_linux_stopped_by_watchpoint (void)
+{
+ CORE_ADDR addr;
+ return ia64_linux_stopped_data_address (&addr);
}
LONGEST
diff --git a/gdb/remote-m32r-sdi.c b/gdb/remote-m32r-sdi.c
index a2fc046..f65f5ae 100644
--- a/gdb/remote-m32r-sdi.c
+++ b/gdb/remote-m32r-sdi.c
@@ -1450,16 +1450,23 @@ m32r_remove_watchpoint (CORE_ADDR addr, int len, int type)
return 0;
}
-CORE_ADDR
-m32r_stopped_data_address (void)
+int
+m32r_stopped_data_address (struct target_ops *target, CORE_ADDR *addr_p)
{
- return hit_watchpoint_addr;
+ int rc = 0;
+ if (hit_watchpoint_addr != 0x00000000)
+ {
+ *addr_p = hit_watchpoint_addr;
+ rc = 1;
+ }
+ return rc;
}
int
m32r_stopped_by_watchpoint (void)
{
- return (hit_watchpoint_addr != 0x00000000);
+ CORE_ADDR addr;
+ return m32r_stopped_data_address (&current_target, &addr);
}
diff --git a/gdb/remote.c b/gdb/remote.c
index 7cbbbd8..2d57686 100644
--- a/gdb/remote.c
+++ b/gdb/remote.c
@@ -4624,13 +4624,18 @@ remote_stopped_by_watchpoint (void)
extern int stepped_after_stopped_by_watchpoint;
-static CORE_ADDR
-remote_stopped_data_address (void)
+static int
+remote_stopped_data_address (struct target_ops *target, CORE_ADDR *addr_p)
{
+ int rc = 0;
if (remote_stopped_by_watchpoint ()
|| stepped_after_stopped_by_watchpoint)
- return remote_watch_data_address;
- return (CORE_ADDR)0;
+ {
+ *addr_p = remote_watch_data_address;
+ rc = 1;
+ }
+
+ return rc;
}
diff --git a/gdb/target.c b/gdb/target.c
index 7176dbe..ce51f3d 100644
--- a/gdb/target.c
+++ b/gdb/target.c
@@ -127,7 +127,7 @@ static int debug_to_remove_watchpoint (CORE_ADDR, int, int);
static int debug_to_stopped_by_watchpoint (void);
-static CORE_ADDR debug_to_stopped_data_address (void);
+static int debug_to_stopped_data_address (struct target_ops *, CORE_ADDR *);
static int debug_to_region_size_ok_for_hw_watchpoint (int);
@@ -524,7 +524,7 @@ update_current_target (void)
(int (*) (void))
return_zero);
de_fault (to_stopped_data_address,
- (CORE_ADDR (*) (void))
+ (int (*) (struct target_ops *, CORE_ADDR *))
return_zero);
de_fault (to_region_size_ok_for_hw_watchpoint,
default_region_size_ok_for_hw_watchpoint);
@@ -1011,6 +1011,19 @@ target_write_memory (CORE_ADDR memaddr, char *myaddr, int len)
return target_xfer_memory (memaddr, myaddr, len, 1);
}
+#ifndef target_stopped_data_address_p
+int
+target_stopped_data_address_p (struct target_ops *target)
+{
+ if (target->to_stopped_data_address == return_zero
+ || (target->to_stopped_data_address == debug_to_stopped_data_address
+ && debug_target.to_stopped_data_address == return_zero))
+ return 0;
+ else
+ return 1;
+}
+#endif
+
static int trust_readonly = 0;
/* Move memory to or from the targets. The top target gets priority;
@@ -2069,16 +2082,17 @@ debug_to_stopped_by_watchpoint (void)
return retval;
}
-static CORE_ADDR
-debug_to_stopped_data_address (void)
+static int
+debug_to_stopped_data_address (struct target_ops *target, CORE_ADDR *addr)
{
- CORE_ADDR retval;
+ int retval;
- retval = debug_target.to_stopped_data_address ();
+ retval = debug_target.to_stopped_data_address (target, addr);
fprintf_unfiltered (gdb_stdlog,
- "target_stopped_data_address () = 0x%lx\n",
- (unsigned long) retval);
+ "target_stopped_data_address ([0x%lx]) = %ld\n",
+ (unsigned long)*addr,
+ (unsigned long)retval);
return retval;
}
diff --git a/gdb/target.h b/gdb/target.h
index 428e8b3..9a4f76a 100644
--- a/gdb/target.h
+++ b/gdb/target.h
@@ -341,7 +341,7 @@ struct target_ops
int (*to_insert_watchpoint) (CORE_ADDR, int, int);
int (*to_stopped_by_watchpoint) (void);
int to_have_continuable_watchpoint;
- CORE_ADDR (*to_stopped_data_address) (void);
+ int (*to_stopped_data_address) (struct target_ops *, CORE_ADDR *);
int (*to_region_size_ok_for_hw_watchpoint) (int);
void (*to_terminal_init) (void);
void (*to_terminal_inferior) (void);
@@ -1067,9 +1067,14 @@ extern void (*deprecated_target_new_objfile_hook) (struct objfile *);
(*current_target.to_remove_hw_breakpoint) (addr, save)
#endif
+extern int target_stopped_data_address_p (struct target_ops *);
+
#ifndef target_stopped_data_address
-#define target_stopped_data_address() \
- (*current_target.to_stopped_data_address) ()
+#define target_stopped_data_address(target, x) \
+ (*target.to_stopped_data_address) (target, x)
+#else
+/* Horrible hack to get around existing macros :-(. */
+#define target_stopped_data_address_p(CURRENT_TARGET) (1)
#endif
/* This will only be defined by a target that supports catching vfork events,
generated by cgit v1.1 at 2024-11-27 04:48:20 +0000