Move construction of IA-32 vector types to i386-tdep.c.

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

diff --git a/gdb/bsd-kvm.c b/gdb/bsd-kvm.c
index a037f84c6a455bda285785edf75ce333a61948b4..e9636a52a96458e64ff21560ddf58ee2321386cd 100644 (file)
--- a/gdb/bsd-kvm.c
+++ b/gdb/bsd-kvm.c
@@ -20,16 +20,23 @@
    Boston, MA 02111-1307, USA.  */
 
 #include "defs.h"
+#include "cli/cli-cmds.h"
+#include "command.h"
 #include "frame.h"
 #include "regcache.h"
 #include "target.h"
+#include "value.h"
+#include "gdbcore.h"           /* for get_exec_file */
 
 #include "gdb_assert.h"
 #include <fcntl.h>
 #include <kvm.h>
+#ifdef HAVE_NLIST_H
 #include <nlist.h>
+#endif
 #include "readline/readline.h"
 #include <sys/param.h>
+#include <sys/proc.h>
 #include <sys/user.h>
 
 #include "bsd-kvm.h"
@@ -69,9 +76,10 @@ bsd_kvm_open (char *filename, int from_tty)
        }
     }
 
+  execfile = get_exec_file (0);
   temp_kd = kvm_openfiles (execfile, filename, NULL, O_RDONLY, errbuf);
   if (temp_kd == NULL)
-    error ("%s", errbuf);
+    error (("%s"), errbuf);
 
   unpush_target (&bsd_kvm_ops);
   core_kd = temp_kd;
@@ -81,7 +89,7 @@ bsd_kvm_open (char *filename, int from_tty)
 
   flush_cached_frames ();
   select_frame (get_current_frame ());
-  print_stack_frame (get_selected_frame (), -1, 1);
+  print_stack_frame (get_selected_frame (NULL), -1, 1);
 }
 
 static void
@@ -90,7 +98,7 @@ bsd_kvm_close (int quitting)
   if (core_kd)
     {
       if (kvm_close (core_kd) == -1)
-       warning ("%s", kvm_geterr(core_kd));
+       warning (("%s"), kvm_geterr(core_kd));
       core_kd = NULL;
     }
 }
@@ -116,7 +124,7 @@ bsd_kvm_fetch_pcb (struct pcb *paddr)
   struct pcb pcb;
 
   if (kvm_read (core_kd, (unsigned long) paddr, &pcb, sizeof pcb) == -1)
-    error ("%s", kvm_geterr (core_kd));
+    error (("%s"), kvm_geterr (core_kd));
 
   gdb_assert (bsd_kvm_supply_pcb);
   return bsd_kvm_supply_pcb (current_regcache, &pcb);
@@ -139,7 +147,7 @@ bsd_kvm_fetch_registers (int regnum)
   nl[0].n_name = "_dumppcb";
 
   if (kvm_nlist (core_kd, nl) == -1)
-    error ("%s", kvm_geterr (core_kd));
+    error (("%s"), kvm_geterr (core_kd));
 
   if (nl[0].n_value != 0)
     {
@@ -157,7 +165,7 @@ bsd_kvm_fetch_registers (int regnum)
   nl[0].n_name = "_proc0paddr";
 
   if (kvm_nlist (core_kd, nl) == -1)
-    error ("%s", kvm_geterr (core_kd));
+    error (("%s"), kvm_geterr (core_kd));
 
   if (nl[0].n_value != 0)
     {
@@ -165,7 +173,7 @@ bsd_kvm_fetch_registers (int regnum)
 
       /* Found proc0paddr.  */
       if (kvm_read (core_kd, nl[0].n_value, &paddr, sizeof paddr) == -1)
-       error ("%s", kvm_geterr (core_kd));
+       error (("%s"), kvm_geterr (core_kd));
 
       bsd_kvm_fetch_pcb (paddr);
       return;
@@ -181,7 +189,7 @@ bsd_kvm_fetch_registers (int regnum)
   nl[0].n_name = "_thread0";
 
   if (kvm_nlist (core_kd, nl) == -1)
-    error ("%s", kvm_geterr (core_kd));
+    error (("%s"), kvm_geterr (core_kd));
 
   if (nl[0].n_value != 0)
     {
@@ -190,17 +198,78 @@ bsd_kvm_fetch_registers (int regnum)
       /* Found thread0.  */
       nl[0].n_value += offsetof (struct thread, td_pcb);
       if (kvm_read (core_kd, nl[0].n_value, &paddr, sizeof paddr) == -1)
-       error ("%s", kvm_geterr (core_kd));
+       error (("%s"), kvm_geterr (core_kd));
 
       bsd_kvm_fetch_pcb (paddr);
       return;
     }
 #endif
 
-  error ("Cannot find a valid PCB");
+  /* i18n: PCB == "Process Control Block" */
+  error (_("Cannot find a valid PCB"));
 }
 \f
 
+/* Kernel memory interface commands.  */
+struct cmd_list_element *bsd_kvm_cmdlist;
+
+static void
+bsd_kvm_cmd (char *arg, int fromtty)
+{
+  /* ??? Should this become an alias for "target kvm"?  */
+}
+
+#ifndef HAVE_STRUCT_THREAD_TD_PCB
+
+static void
+bsd_kvm_proc_cmd (char *arg, int fromtty)
+{
+  CORE_ADDR addr;
+
+  if (arg == NULL)
+    error_no_arg (_("proc address"));
+
+  if (core_kd == NULL)
+    error (_("No kernel memory image."));
+
+  addr = parse_and_eval_address (arg);
+#ifdef HAVE_STRUCT_LWP
+  addr += offsetof (struct lwp, l_addr);
+#else
+  addr += offsetof (struct proc, p_addr);
+#endif
+
+  if (kvm_read (core_kd, addr, &bsd_kvm_paddr, sizeof bsd_kvm_paddr) == -1)
+    error (("%s"), kvm_geterr (core_kd));
+
+  target_fetch_registers (-1);
+
+  flush_cached_frames ();
+  select_frame (get_current_frame ());
+  print_stack_frame (get_selected_frame (NULL), -1, 1);
+}
+
+#endif
+
+static void
+bsd_kvm_pcb_cmd (char *arg, int fromtty)
+{
+  if (arg == NULL)
+    /* i18n: PCB == "Process Control Block" */
+    error_no_arg (_("pcb address"));
+
+  if (core_kd == NULL)
+    error (_("No kernel memory image."));
+
+  bsd_kvm_paddr = (struct pcb *)(u_long) parse_and_eval_address (arg);
+
+  target_fetch_registers (-1);
+
+  flush_cached_frames ();
+  select_frame (get_current_frame ());
+  print_stack_frame (get_selected_frame (NULL), -1, 1);
+}
+
 /* Add the libkvm interface to the list of all possible targets and
    register CUPPLY_PCB as the architecture-specific process control
    block interpreter.  */
@@ -212,13 +281,13 @@ bsd_kvm_add_target (int (*supply_pcb)(struct regcache *, struct pcb *))
   bsd_kvm_supply_pcb = supply_pcb;
 
   bsd_kvm_ops.to_shortname = "kvm";
-  bsd_kvm_ops.to_longname = "Kernel memory interface";
-  bsd_kvm_ops.to_doc = "Use a kernel virtual memory image as a target.\n\
-Optionally specify the filename of a core dump.";
+  bsd_kvm_ops.to_longname = _("Kernel memory interface");
+  bsd_kvm_ops.to_doc = _("Use a kernel virtual memory image as a target.\n\
+Optionally specify the filename of a core dump.");
   bsd_kvm_ops.to_open = bsd_kvm_open;
   bsd_kvm_ops.to_close = bsd_kvm_close;
   bsd_kvm_ops.to_fetch_registers = bsd_kvm_fetch_registers;
-  bsd_kvm_ops.to_xfer_memory = bsd_kvm_xfer_memory;
+  bsd_kvm_ops.deprecated_xfer_memory = bsd_kvm_xfer_memory;
   bsd_kvm_ops.to_stratum = process_stratum;
   bsd_kvm_ops.to_has_memory = 1;
   bsd_kvm_ops.to_has_stack = 1;
@@ -226,4 +295,16 @@ Optionally specify the filename of a core dump.";
   bsd_kvm_ops.to_magic = OPS_MAGIC;
 
   add_target (&bsd_kvm_ops);
+  
+  add_prefix_cmd ("kvm", class_obscure, bsd_kvm_cmd, _("\
+Generic command for manipulating the kernel memory interface."),
+                 &bsd_kvm_cmdlist, "kvm ", 0, &cmdlist);
+
+#ifndef HAVE_STRUCT_THREAD_TD_PCB
+  add_cmd ("proc", class_obscure, bsd_kvm_proc_cmd,
+          _("Set current context from proc address"), &bsd_kvm_cmdlist);
+#endif
+  add_cmd ("pcb", class_obscure, bsd_kvm_pcb_cmd,
+          /* i18n: PCB == "Process Control Block" */
+          _("Set current context from pcb address"), &bsd_kvm_cmdlist);
 }