Merge GDB 7.5.1

gdb/common/agent.h

+/* Shared utility routines for GDB to interact with agent.
+
+   Copyright (C) 2009-2012 Free Software Foundation, Inc.
+
+   This file is part of GDB.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+int agent_run_command (int pid, const char *cmd, int len);
+
+int agent_look_up_symbols (void *);
+
+#define STRINGIZE_1(STR) #STR
+#define STRINGIZE(STR) STRINGIZE_1(STR)
+#define IPA_SYM(SYM)                                   \
+  {                                                    \
+    STRINGIZE (gdb_agent_ ## SYM),                      \
+    offsetof (struct ipa_sym_addresses, addr_ ## SYM)   \
+  }
+
+/* The size in bytes of the buffer used to talk to the IPA helper
+   thread.  */
+#define IPA_CMD_BUF_SIZE 1024
+
+int agent_loaded_p (void);
+
+extern int debug_agent;
+
+extern int use_agent;
+
+/* Capability of agent.  Different agents may have different capabilities,
+   such as installing fast tracepoint or evaluating breakpoint conditions.
+   Capabilities are represented by bit-maps, and each capability occupies one
+   bit.  */
+
+enum agent_capa
+{
+  /* Capability to install fast tracepoint.  */
+  AGENT_CAPA_FAST_TRACE = 0x1,
+  /* Capability to install static tracepoint.  */
+  AGENT_CAPA_STATIC_TRACE = (0x1 << 1),
+};
+
+int agent_capability_check (enum agent_capa);
+
+void agent_capability_invalidate (void);