update

idasdk75/dbg/mac/mac_local_impl.cpp

@@ -0,0 +1,203 @@
+#include <loader.hpp>
+
+#include "macho_rebase.cpp"
+
+//--------------------------------------------------------------------------
+// installs or uninstalls debugger specific idc functions
+inline bool register_idc_funcs(bool)
+{
+  return true;
+}
+
+//--------------------------------------------------------------------------
+void idaapi rebase_if_required_to(ea_t new_base)
+{
+  // not a shared cache lib: it's safe to just use the imagebase
+  ea_t base = get_imagebase();
+  if ( base == 0 )
+  {
+    // old databases don't have it set; use info from netnode
+    netnode n(MACHO_NODE);
+    if ( exist(n) )
+      base = n.altval(MACHO_ALT_IMAGEBASE);
+  }
+
+  if ( base != BADADDR
+    && new_base != BADADDR
+    && base != new_base
+    && !rebase_scattered_segments(new_base) )
+  {
+    rebase_or_warn(base, new_base);
+  }
+}
+
+//--------------------------------------------------------------------------
+enum macopt_idx_t
+{
+  MAC_OPT_SYMBOL_PATH // path to symbols extracted from dyld shared cache
+};
+
+//--------------------------------------------------------------------------
+struct mac_cfgopt_t
+{
+  const char *name;
+  char type;
+  char index;
+  void *var;
+  size_t size;
+};
+
+//lint -esym(843, g_must_save_cfg) could be declared as const
+static bool g_must_save_cfg = false;
+
+//--------------------------------------------------------------------------
+static const mac_cfgopt_t g_cfgopts[] =
+{
+  { "SYMBOL_PATH", IDPOPT_STR, MAC_OPT_SYMBOL_PATH, &g_dbgmod.dyld.symbol_path, 0 },
+};
+CASSERT(IS_QSTRING(g_dbgmod.dyld.symbol_path));
+
+//--------------------------------------------------------------------------
+static const mac_cfgopt_t *find_option(const char *name)
+{
+  for ( int i=0; i < qnumber(g_cfgopts); i++ )
+    if ( strcmp(g_cfgopts[i].name, name) == 0 )
+      return &g_cfgopts[i];
+  return NULL;
+}
+
+//--------------------------------------------------------------------------
+static void load_mac_options()
+{
+  if ( !netnode::inited() )
+    return;
+
+  netnode node(MAC_NODE);
+  if ( !exist(node) )
+    return;
+
+  for ( int i = 0; i < qnumber(g_cfgopts); i++ )
+  {
+    const mac_cfgopt_t &opt = g_cfgopts[i];
+    if ( opt.type == IDPOPT_STR )
+      node.supstr((qstring *)opt.var, opt.index);
+    else
+      node.supval(opt.index, opt.var, opt.size);
+  }
+}
+
+//--------------------------------------------------------------------------
+static void save_mac_options()
+{
+  if ( !g_must_save_cfg || !netnode::inited() )
+    return;
+
+  netnode node;
+  node.create(MAC_NODE);
+  if ( node != BADNODE )
+  {
+    for ( int i = 0; i < qnumber(g_cfgopts); i++ )
+    {
+      const mac_cfgopt_t &opt = g_cfgopts[i];
+      if ( opt.type == IDPOPT_STR )
+        node.supset(opt.index, ((qstring *)opt.var)->c_str(), 0);
+      else
+        node.supset(opt.index, opt.var, opt.size);
+    }
+  }
+
+  g_must_save_cfg = false;
+}
+
+//--------------------------------------------------------------------------
+const char *idaapi set_mac_options(const char *keyword, int pri, int value_type, const void *value)
+{
+  if ( keyword == NULL )
+  {
+    static const char form[] =
+      "Mac OSX Debugger Options\n%/"
+      "<#Path to symbol files extracted from dyld_shared_cache#~S~ymbol path:q:1023:60::>\n";
+
+    qstring path = g_dbgmod.dyld.symbol_path;
+    if ( !ask_form(form, NULL, &path) )
+      return IDPOPT_OK;
+
+    g_dbgmod.dyld.symbol_path = path;
+    g_must_save_cfg = true;
+  }
+  else
+  {
+    if ( *keyword == '\0' )
+    {
+      load_mac_options();
+      return IDPOPT_OK;
+    }
+
+    const mac_cfgopt_t *opt = find_option(keyword);
+    if ( opt == NULL )
+      return IDPOPT_BADKEY;
+    if ( opt->type != value_type )
+      return IDPOPT_BADTYPE;
+
+    if ( opt->type == IDPOPT_STR )
+    {
+      qstring *pvar = (qstring *)opt->var;
+      *pvar = (char *)value;
+    }
+
+    if ( pri == IDPOPT_PRI_HIGH )
+      g_must_save_cfg = true;
+  }
+
+  return IDPOPT_OK;
+}
+
+//--------------------------------------------------------------------------
+static ssize_t idaapi ui_callback(void *, int notification_code, va_list)
+{
+  if ( notification_code == ui_saving )
+    save_mac_options();
+  return 0;
+}
+
+//--------------------------------------------------------------------------
+static bool init_plugin(void)
+{
+#ifndef RPC_CLIENT
+  if ( !init_subsystem() )
+    return false;
+#endif
+
+  if ( !netnode::inited() || is_miniidb() || inf_is_snapshot() )
+  {
+#ifdef __MAC__
+    // local debugger is available if we are running under MAC OS X
+    return true;
+#else
+    // for other systems only the remote debugger is available
+    return debugger.is_remote();
+#endif
+  }
+
+  if ( inf_get_filetype() != S_FILETYPE ) // only Mach-O files
+    return false;
+  processor_t &ph = PH;
+  if ( ph.id != TARGET_PROCESSOR && ph.id != -1 )
+    return false;
+
+  hook_to_notification_point(HT_UI, ui_callback);
+  return true;
+}
+
+//--------------------------------------------------------------------------
+inline void term_plugin(void)
+{
+#ifndef RPC_CLIENT
+  term_subsystem();
+#endif
+  unhook_from_notification_point(HT_UI, ui_callback);
+  save_mac_options();
+}
+
+//--------------------------------------------------------------------------
+static const char comment[] = "Userland Mac OS X debugger plugin.";