import gdb-19990422 snapshot

[deliverable/binutils-gdb.git] / gdb / i386gnu-nat.c

diff --git a/gdb/i386gnu-nat.c b/gdb/i386gnu-nat.c
index 63c3bd0d7d8afbf44f76c5d49483c73107f09064..6ed92c167f5da85e5b28d15053a504364204dfbd 100644 (file)
--- a/gdb/i386gnu-nat.c
+++ b/gdb/i386gnu-nat.c
@@ -1,5 +1,5 @@
 /* Low level interface to I386 running the GNU Hurd
-   Copyright (C) 1992 Free Software Foundation, Inc.
+   Copyright (C) 1992, 1995, 1996 Free Software Foundation, Inc.
 
 This file is part of GDB.
 
@@ -22,6 +22,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 #include "floatformat.h"
 
 #include <stdio.h>
+#include <errno.h>
 
 #include <mach.h>
 #include <mach/message.h>
@@ -81,19 +82,23 @@ static int reg_offset[] =
 void
 gnu_fetch_registers (int reg)
 {
+  struct proc *thread;
   thread_state_t state;
-  struct proc *thread = inf_tid_to_thread (current_inferior, inferior_pid);
   
-  if (!thread)
+  inf_update_procs (current_inferior); /* Make sure we know about new threads.  */
+
+  thread = inf_tid_to_thread (current_inferior, inferior_pid);
+  if (! thread)
     error ("fetch inferior registers: %d: Invalid thread", inferior_pid);
 
   state = proc_get_state (thread, 0);
 
   if (! state)
-    warning ("Couldn't fetch register %s.", reg_names[reg]);
+    warning ("Couldn't fetch register %s from %s (invalid thread).",
+            REGISTER_NAME (reg), proc_string (thread));
   else if (reg >= 0)
     {
-      proc_debug (thread, "fetching register: %s", reg_names[reg]);
+      proc_debug (thread, "fetching register: %s", REGISTER_NAME (reg));
       supply_register (reg, REG_ADDR(state, reg));
       thread->fetched_regs |= (1 << reg);
     }
@@ -116,15 +121,18 @@ void
 gnu_store_registers (reg)
      int reg;
 {
+  struct proc *thread;
   int was_aborted, was_valid;
   thread_state_t state;
   thread_state_data_t old_state;
-  struct proc *thread = inf_tid_to_thread (current_inferior, inferior_pid);
+  
+  inf_update_procs (current_inferior); /* Make sure we know about new threads.  */
 
+  thread = inf_tid_to_thread (current_inferior, inferior_pid);
   if (! thread)
     error ("store inferior registers: %d: Invalid thread", inferior_pid);
 
-  proc_debug (thread, "storing register %s.", reg_names[reg]);
+  proc_debug (thread, "storing register %s.", REGISTER_NAME (reg));
 
   was_aborted = thread->aborted;
   was_valid = thread->state_valid;
@@ -134,7 +142,8 @@ gnu_store_registers (reg)
   state = proc_get_state (thread, 1);
 
   if (! state)
-    warning ("Couldn't store register %s.", reg_names[reg]);
+    warning ("Couldn't store register %s from %s (invalid thread).",
+            REGISTER_NAME (reg), proc_string (thread));
   else
     {
       if (! was_aborted && was_valid)
@@ -149,7 +158,7 @@ gnu_store_registers (reg)
              /* Register CHECK_REG has changed!  Ack!  */
              {
                warning ("Register %s changed after thread was aborted.",
-                        reg_names [check_reg]);
+                        REGISTER_NAME (check_reg));
                if (reg >= 0 && reg != check_reg)
                  /* Update gdb's copy of the register.  */
                  supply_register (check_reg, REG_ADDR (state, check_reg));
@@ -160,7 +169,7 @@ gnu_store_registers (reg)
 
       if (reg >= 0)
        {
-         proc_debug (thread, "storing register: %s", reg_names[reg]);
+         proc_debug (thread, "storing register: %s", REGISTER_NAME (reg));
          STORE_REGS (state, reg, 1);
        }
       else