/* Target operations for the remote server for GDB.
- Copyright (C) 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010, 2011
- Free Software Foundation, Inc.
+ Copyright (C) 2002-2013 Free Software Foundation, Inc.
Contributed by MontaVista Software.
thread. If stopping a thread, and this is 0, the target should
stop the thread however it best decides to (e.g., SIGSTOP on
linux; SuspendThread on win32). This is a host signal value (not
- enum target_signal). */
+ enum gdb_signal). */
int sig;
};
union
{
int integer;
- enum target_signal sig;
+ enum gdb_signal sig;
ptid_t related_pid;
char *execd_pathname;
}
/* Read Thread Information Block address. */
int (*get_tib_address) (ptid_t ptid, CORE_ADDR *address);
- /* Pause all threads. If FREEZE, arrange for any resume attempt be
+ /* Pause all threads. If FREEZE, arrange for any resume attempt to
be ignored until an unpause_all call unfreezes threads again.
There can be nested calls to pause_all, so a freeze counter
should be maintained. */
pad lock object. ORIG_SIZE is the size in bytes of the
instruction at TPADDR. JUMP_ENTRY points to the address of the
jump pad entry, and on return holds the address past the end of
- the created jump pad. JJUMP_PAD_INSN is a buffer containing a
- copy of the instruction at TPADDR. ADJUST_INSN_ADDR and
- ADJUST_INSN_ADDR_END are output parameters that return the
- address range where the instruction at TPADDR was relocated
- to. */
+ the created jump pad. If a trampoline is created by the function,
+ then TRAMPOLINE and TRAMPOLINE_SIZE return the address and size of
+ the trampoline, else they remain unchanged. JJUMP_PAD_INSN is a
+ buffer containing a copy of the instruction at TPADDR.
+ ADJUST_INSN_ADDR and ADJUST_INSN_ADDR_END are output parameters that
+ return the address range where the instruction at TPADDR was relocated
+ to. If an error occurs, the ERR may be used to pass on an error
+ message. */
int (*install_fast_tracepoint_jump_pad) (CORE_ADDR tpoint, CORE_ADDR tpaddr,
CORE_ADDR collector,
CORE_ADDR lockaddr,
ULONGEST orig_size,
CORE_ADDR *jump_entry,
+ CORE_ADDR *trampoline,
+ ULONGEST *trampoline_size,
unsigned char *jjump_pad_insn,
ULONGEST *jjump_pad_insn_size,
CORE_ADDR *adjusted_insn_addr,
- CORE_ADDR *adjusted_insn_addr_end);
+ CORE_ADDR *adjusted_insn_addr_end,
+ char *err);
/* Return the bytecode operations vector for the current inferior.
Returns NULL if bytecode compilation is not supported. */
/* Returns true if the target supports disabling randomization. */
int (*supports_disable_randomization) (void);
+
+ /* Return the minimum length of an instruction that can be safely overwritten
+ for use as a fast tracepoint. */
+ int (*get_min_fast_tracepoint_insn_len) (void);
+
+ /* Read solib info on SVR4 platforms. */
+ int (*qxfer_libraries_svr4) (const char *annex, unsigned char *readbuf,
+ unsigned const char *writebuf,
+ CORE_ADDR offset, int len);
+
+ /* Return true if target supports debugging agent. */
+ int (*supports_agent) (void);
};
extern struct target_ops *the_target;
#define myattach(pid) \
(*the_target->attach) (pid)
-#define kill_inferior(pid) \
- (*the_target->kill) (pid)
+int kill_inferior (int);
#define detach_inferior(pid) \
(*the_target->detach) (pid)
#define target_supports_fast_tracepoints() \
(the_target->install_fast_tracepoint_jump_pad != NULL)
+#define target_get_min_fast_tracepoint_insn_len() \
+ (the_target->get_min_fast_tracepoint_insn_len \
+ ? (*the_target->get_min_fast_tracepoint_insn_len) () : 0)
+
#define thread_stopped(thread) \
(*the_target->thread_stopped) (thread)
#define install_fast_tracepoint_jump_pad(tpoint, tpaddr, \
collector, lockaddr, \
orig_size, \
- jump_entry, jjump_pad_insn, \
+ jump_entry, \
+ trampoline, trampoline_size, \
+ jjump_pad_insn, \
jjump_pad_insn_size, \
adjusted_insn_addr, \
- adjusted_insn_addr_end) \
+ adjusted_insn_addr_end, \
+ err) \
(*the_target->install_fast_tracepoint_jump_pad) (tpoint, tpaddr, \
collector,lockaddr, \
orig_size, jump_entry, \
+ trampoline, \
+ trampoline_size, \
jjump_pad_insn, \
jjump_pad_insn_size, \
adjusted_insn_addr, \
- adjusted_insn_addr_end)
+ adjusted_insn_addr_end, \
+ err)
#define target_emit_ops() \
(the_target->emit_ops ? (*the_target->emit_ops) () : NULL)
(the_target->supports_disable_randomization ? \
(*the_target->supports_disable_randomization) () : 0)
+#define target_supports_agent() \
+ (the_target->supports_agent ? \
+ (*the_target->supports_agent) () : 0)
+
/* Start non-stop mode, returns 0 on success, -1 on failure. */
int start_non_stop (int nonstop);
(*the_target->done_accessing_memory) (); \
} while (0)
+#define target_core_of_thread(ptid) \
+ (the_target->core_of_thread ? (*the_target->core_of_thread) (ptid) \
+ : -1)
+
int read_inferior_memory (CORE_ADDR memaddr, unsigned char *myaddr, int len);
int write_inferior_memory (CORE_ADDR memaddr, const unsigned char *myaddr,