i386-tdep.c (i386_gdbarch_init): Add comments.

[deliverable/binutils-gdb.git] / gdb / ravenscar-thread.c

diff --git a/gdb/ravenscar-thread.c b/gdb/ravenscar-thread.c
index 4ed007d129b7e0b505057b48e8643d0b0ae4508d..3e0687de9835a3b95052b3c8d1085565f2e1498e 100644 (file)
--- a/gdb/ravenscar-thread.c
+++ b/gdb/ravenscar-thread.c
@@ -1,6 +1,6 @@
 /* Ada Ravenscar thread support.
 
-   Copyright (C) 2004-2014 Free Software Foundation, Inc.
+   Copyright (C) 2004-2016 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -26,10 +26,10 @@
 #include "command.h"
 #include "ravenscar-thread.h"
 #include "observer.h"
-#include <string.h>
 #include "gdbcmd.h"
 #include "top.h"
 #include "regcache.h"
+#include "objfiles.h"
 
 /* If non-null, ravenscar task support is enabled.  */
 static int ravenscar_task_support = 1;
@@ -52,7 +52,7 @@ static const char first_task_name[] = "system__tasking__debug__first_task";
 static const char ravenscar_runtime_initializer[] =
   "system__bb__threads__initialize";
 
-static void ravenscar_find_new_threads (struct target_ops *ops);
+static void ravenscar_update_thread_list (struct target_ops *ops);
 static ptid_t ravenscar_running_thread (void);
 static char *ravenscar_extra_thread_info (struct target_ops *self,
                                          struct thread_info *tp);
@@ -91,7 +91,7 @@ ravenscar_update_inferior_ptid (void)
   gdb_assert (!ptid_equal (inferior_ptid, null_ptid));
 
   /* The running thread may not have been added to
-     system.tasking.debug's list yet; so ravenscar_find_new_threads
+     system.tasking.debug's list yet; so ravenscar_update_thread_list
      may not always add it to the thread list.  Add it here.  */
   if (!find_thread_ptid (inferior_ptid))
     add_thread (inferior_ptid);
@@ -102,13 +102,13 @@ ravenscar_update_inferior_ptid (void)
    and return its associated minimal symbol.
    Return NULL if not found.  */
 
-static struct minimal_symbol *
+static struct bound_minimal_symbol
 get_running_thread_msymbol (void)
 {
-  struct minimal_symbol *msym;
+  struct bound_minimal_symbol msym;
 
   msym = lookup_minimal_symbol (running_thread_name, NULL, NULL);
-  if (!msym)
+  if (!msym.minsym)
     /* Older versions of the GNAT runtime were using a different
        (less ideal) name for the symbol where the active thread ID
        is stored.  If we couldn't find the symbol using the latest
@@ -124,17 +124,18 @@ get_running_thread_msymbol (void)
 static int
 has_ravenscar_runtime (void)
 {
-  struct minimal_symbol *msym_ravenscar_runtime_initializer =
+  struct bound_minimal_symbol msym_ravenscar_runtime_initializer =
     lookup_minimal_symbol (ravenscar_runtime_initializer, NULL, NULL);
-  struct minimal_symbol *msym_known_tasks =
+  struct bound_minimal_symbol msym_known_tasks =
     lookup_minimal_symbol (known_tasks_name, NULL, NULL);
-  struct minimal_symbol *msym_first_task =
+  struct bound_minimal_symbol msym_first_task =
     lookup_minimal_symbol (first_task_name, NULL, NULL);
-  struct minimal_symbol *msym_running_thread = get_running_thread_msymbol ();
+  struct bound_minimal_symbol msym_running_thread
+    = get_running_thread_msymbol ();
 
-  return (msym_ravenscar_runtime_initializer
-         && (msym_known_tasks || msym_first_task)
-         && msym_running_thread);
+  return (msym_ravenscar_runtime_initializer.minsym
+         && (msym_known_tasks.minsym || msym_first_task.minsym)
+         && msym_running_thread.minsym);
 }
 
 /* Return True if the Ada Ravenscar run-time can be found in the
@@ -152,7 +153,7 @@ ravenscar_runtime_initialized (void)
 static CORE_ADDR
 get_running_thread_id (void)
 {
-  const struct minimal_symbol *object_msym = get_running_thread_msymbol ();
+  struct bound_minimal_symbol object_msym = get_running_thread_msymbol ();
   int object_size;
   int buf_size;
   gdb_byte *buf;
@@ -160,13 +161,13 @@ get_running_thread_id (void)
   struct type *builtin_type_void_data_ptr =
     builtin_type (target_gdbarch ())->builtin_data_ptr;
 
-  if (!object_msym)
+  if (!object_msym.minsym)
     return 0;
 
-  object_addr = MSYMBOL_VALUE_ADDRESS (object_msym);
+  object_addr = BMSYMBOL_VALUE_ADDRESS (object_msym);
   object_size = TYPE_LENGTH (builtin_type_void_data_ptr);
   buf_size = object_size;
-  buf = alloca (buf_size);
+  buf = (gdb_byte *) alloca (buf_size);
   read_memory (object_addr, buf, buf_size);
   return extract_typed_address (buf, builtin_type_void_data_ptr);
 }
@@ -200,7 +201,7 @@ ravenscar_wait (struct target_ops *ops, ptid_t ptid,
   if (status->kind != TARGET_WAITKIND_EXITED
       && status->kind != TARGET_WAITKIND_SIGNALLED)
     {
-      ravenscar_find_new_threads (ops);
+      ravenscar_update_thread_list (ops);
       ravenscar_update_inferior_ptid ();
     }
   return inferior_ptid;
@@ -217,7 +218,7 @@ ravenscar_add_thread (struct ada_task_info *task)
 }
 
 static void
-ravenscar_find_new_threads (struct target_ops *ops)
+ravenscar_update_thread_list (struct target_ops *ops)
 {
   ada_build_task_list ();
 
@@ -306,7 +307,7 @@ static void
 ravenscar_prepare_to_store (struct target_ops *self,
                            struct regcache *regcache)
 {
-  struct target_ops *beneath = find_target_beneath (&ravenscar_ops);
+  struct target_ops *beneath = find_target_beneath (self);
 
   if (!ravenscar_runtime_initialized ()
       || ptid_equal (inferior_ptid, base_magic_null_ptid)
@@ -325,7 +326,7 @@ ravenscar_prepare_to_store (struct target_ops *self,
 static void
 ravenscar_mourn_inferior (struct target_ops *ops)
 {
-  struct target_ops *beneath = find_target_beneath (&ravenscar_ops);
+  struct target_ops *beneath = find_target_beneath (ops);
 
   base_ptid = null_ptid;
   beneath->to_mourn_inferior (beneath);
@@ -337,10 +338,9 @@ ravenscar_mourn_inferior (struct target_ops *ops)
 static void
 ravenscar_inferior_created (struct target_ops *target, int from_tty)
 {
-  struct ravenscar_arch_ops *ops;
 
   if (!ravenscar_task_support
-      || gdbarch_ravenscar_ops (current_inferior ()->gdbarch) == NULL
+      || gdbarch_ravenscar_ops (target_gdbarch ()) == NULL
       || !has_ravenscar_runtime ())
     return;
 
@@ -367,7 +367,7 @@ init_ravenscar_thread_ops (void)
   ravenscar_ops.to_store_registers = ravenscar_store_registers;
   ravenscar_ops.to_prepare_to_store = ravenscar_prepare_to_store;
   ravenscar_ops.to_thread_alive = ravenscar_thread_alive;
-  ravenscar_ops.to_find_new_threads = ravenscar_find_new_threads;
+  ravenscar_ops.to_update_thread_list = ravenscar_update_thread_list;
   ravenscar_ops.to_pid_to_str = ravenscar_pid_to_str;
   ravenscar_ops.to_extra_thread_info = ravenscar_extra_thread_info;
   ravenscar_ops.to_get_ada_task_ptid = ravenscar_get_ada_task_ptid;
@@ -392,7 +392,7 @@ set_ravenscar_command (char *arg, int from_tty)
 {
   printf_unfiltered (_(\
 "\"set ravenscar\" must be followed by the name of a setting.\n"));
-  help_list (set_ravenscar_list, "set ravenscar ", -1, gdb_stdout);
+  help_list (set_ravenscar_list, "set ravenscar ", all_commands, gdb_stdout);
 }
 
 /* Implement the "show ravenscar" prefix command.  */