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[deliverable/binutils-gdb.git] / gdb / bsd-kvm.c

diff --git a/gdb/bsd-kvm.c b/gdb/bsd-kvm.c
index 3d715a5762c153765fb361426ab5b91d673e602b..910b3d0a19749d055413a9f68fdac150325da20a 100644 (file)
--- a/gdb/bsd-kvm.c
+++ b/gdb/bsd-kvm.c
@@ -1,6 +1,6 @@
 /* BSD Kernel Data Access Library (libkvm) interface.
 
-   Copyright (C) 2004, 2005 Free Software Foundation, Inc.
+   Copyright (C) 2004, 2005, 2007 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -81,7 +81,8 @@ bsd_kvm_open (char *filename, int from_tty)
     }
 
   execfile = get_exec_file (0);
-  temp_kd = kvm_openfiles (execfile, filename, NULL, O_RDONLY, errbuf);
+  temp_kd = kvm_openfiles (execfile, filename, NULL,
+                          write_files ? O_RDWR : O_RDONLY, errbuf);
   if (temp_kd == NULL)
     error (("%s"), errbuf);
 
@@ -90,10 +91,9 @@ bsd_kvm_open (char *filename, int from_tty)
   core_kd = temp_kd;
   push_target (&bsd_kvm_ops);
 
-  target_fetch_registers (-1);
+  target_fetch_registers (current_regcache, -1);
 
-  flush_cached_frames ();
-  select_frame (get_current_frame ());
+  reinit_frame_cache ();
   print_stack_frame (get_selected_frame (NULL), -1, 1);
 }
 
@@ -150,7 +150,7 @@ bsd_kvm_files_info (struct target_ops *ops)
 /* Fetch process control block at address PADDR.  */
 
 static int
-bsd_kvm_fetch_pcb (struct pcb *paddr)
+bsd_kvm_fetch_pcb (struct regcache *regcache, struct pcb *paddr)
 {
   struct pcb pcb;
 
@@ -158,17 +158,17 @@ bsd_kvm_fetch_pcb (struct pcb *paddr)
     error (("%s"), kvm_geterr (core_kd));
 
   gdb_assert (bsd_kvm_supply_pcb);
-  return bsd_kvm_supply_pcb (current_regcache, &pcb);
+  return bsd_kvm_supply_pcb (regcache, &pcb);
 }
 
 static void
-bsd_kvm_fetch_registers (int regnum)
+bsd_kvm_fetch_registers (struct regcache *regcache, int regnum)
 {
   struct nlist nl[2];
 
   if (bsd_kvm_paddr)
     {
-      bsd_kvm_fetch_pcb (bsd_kvm_paddr);
+      bsd_kvm_fetch_pcb (regcache, bsd_kvm_paddr);
       return;
     }
 
@@ -184,7 +184,7 @@ bsd_kvm_fetch_registers (int regnum)
     {
       /* Found dumppcb. If it contains a valid context, return
         immediately.  */
-      if (bsd_kvm_fetch_pcb ((struct pcb *) nl[0].n_value))
+      if (bsd_kvm_fetch_pcb (regcache, (struct pcb *) nl[0].n_value))
        return;
     }
 
@@ -206,7 +206,7 @@ bsd_kvm_fetch_registers (int regnum)
       if (kvm_read (core_kd, nl[0].n_value, &paddr, sizeof paddr) == -1)
        error (("%s"), kvm_geterr (core_kd));
 
-      bsd_kvm_fetch_pcb (paddr);
+      bsd_kvm_fetch_pcb (regcache, paddr);
       return;
     }
 
@@ -231,7 +231,7 @@ bsd_kvm_fetch_registers (int regnum)
       if (kvm_read (core_kd, nl[0].n_value, &paddr, sizeof paddr) == -1)
        error (("%s"), kvm_geterr (core_kd));
 
-      bsd_kvm_fetch_pcb (paddr);
+      bsd_kvm_fetch_pcb (regcache, paddr);
       return;
     }
 #endif
@@ -273,10 +273,9 @@ bsd_kvm_proc_cmd (char *arg, int fromtty)
   if (kvm_read (core_kd, addr, &bsd_kvm_paddr, sizeof bsd_kvm_paddr) == -1)
     error (("%s"), kvm_geterr (core_kd));
 
-  target_fetch_registers (-1);
+  target_fetch_registers (current_regcache, -1);
 
-  flush_cached_frames ();
-  select_frame (get_current_frame ());
+  reinit_frame_cache ();
   print_stack_frame (get_selected_frame (NULL), -1, 1);
 }
 
@@ -294,10 +293,9 @@ bsd_kvm_pcb_cmd (char *arg, int fromtty)
 
   bsd_kvm_paddr = (struct pcb *)(u_long) parse_and_eval_address (arg);
 
-  target_fetch_registers (-1);
+  target_fetch_registers (current_regcache, -1);
 
-  flush_cached_frames ();
-  select_frame (get_current_frame ());
+  reinit_frame_cache ();
   print_stack_frame (get_selected_frame (NULL), -1, 1);
 }