/* Target operations for the remote server for GDB.
- Copyright (C) 2002-2013 Free Software Foundation, Inc.
+ Copyright (C) 2002-2014 Free Software Foundation, Inc.
Contributed by MontaVista Software.
#ifndef TARGET_H
#define TARGET_H
+#include "target/target.h"
+#include "target/resume.h"
+#include "target/wait.h"
+#include "target/waitstatus.h"
+#include "mem-break.h"
+
struct emit_ops;
struct btrace_target_info;
struct buffer;
-
-/* Ways to "resume" a thread. */
-
-enum resume_kind
-{
- /* Thread should continue. */
- resume_continue,
-
- /* Thread should single-step. */
- resume_step,
-
- /* Thread should be stopped. */
- resume_stop
-};
+struct process_info;
/* This structure describes how to resume a particular thread (or all
threads) based on the client's request. If thread is -1, then this
CORE_ADDR step_range_end; /* Exclusive */
};
-/* Generally, what has the program done? */
-enum target_waitkind
- {
- /* The program has exited. The exit status is in
- value.integer. */
- TARGET_WAITKIND_EXITED,
-
- /* The program has stopped with a signal. Which signal is in
- value.sig. */
- TARGET_WAITKIND_STOPPED,
-
- /* The program has terminated with a signal. Which signal is in
- value.sig. */
- TARGET_WAITKIND_SIGNALLED,
-
- /* The program is letting us know that it dynamically loaded
- something. */
- TARGET_WAITKIND_LOADED,
-
- /* The program has exec'ed a new executable file. The new file's
- pathname is pointed to by value.execd_pathname. */
- TARGET_WAITKIND_EXECD,
-
- /* Nothing of interest to GDB happened, but we stopped anyway. */
- TARGET_WAITKIND_SPURIOUS,
-
- /* An event has occurred, but we should wait again. In this case,
- we want to go back to the event loop and wait there for another
- event from the inferior. */
- TARGET_WAITKIND_IGNORE
- };
-
-struct target_waitstatus
- {
- enum target_waitkind kind;
-
- /* Forked child pid, execd pathname, exit status or signal number. */
- union
- {
- int integer;
- enum gdb_signal sig;
- ptid_t related_pid;
- char *execd_pathname;
- }
- value;
- };
-
-/* Options that can be passed to target_ops->wait. */
-
-#define TARGET_WNOHANG 1
-
struct target_ops
{
/* Start a new process.
inferior such that it is possible to access memory.
This should generally only be called from client facing routines,
- such as gdb_read_memory/gdb_write_memory, or the insert_point
- callbacks.
+ such as gdb_read_memory/gdb_write_memory, or the GDB breakpoint
+ insertion routine.
Like `read_memory' and `write_memory' below, returns 0 on success
and errno on failure. */
int (*read_auxv) (CORE_ADDR offset, unsigned char *myaddr,
unsigned int len);
- /* Insert and remove a break or watchpoint.
- Returns 0 on success, -1 on failure and 1 on unsupported.
- The type is coded as follows:
+ /* Returns true if GDB Z breakpoint type TYPE is supported, false
+ otherwise. The type is coded as follows:
'0' - software-breakpoint
'1' - hardware-breakpoint
'2' - write watchpoint
'3' - read watchpoint
- '4' - access watchpoint */
+ '4' - access watchpoint
+ */
+ int (*supports_z_point_type) (char z_type);
- int (*insert_point) (char type, CORE_ADDR addr, int len);
- int (*remove_point) (char type, CORE_ADDR addr, int len);
+ /* Insert and remove a break or watchpoint.
+ Returns 0 on success, -1 on failure and 1 on unsupported. */
+
+ int (*insert_point) (enum raw_bkpt_type type, CORE_ADDR addr,
+ int size, struct raw_breakpoint *bp);
+ int (*remove_point) (enum raw_bkpt_type type, CORE_ADDR addr,
+ int size, struct raw_breakpoint *bp);
/* Returns 1 if target was stopped due to a watchpoint hit, 0 otherwise. */
int (*supports_agent) (void);
/* Check whether the target supports branch tracing. */
- int (*supports_btrace) (void);
+ int (*supports_btrace) (struct target_ops *);
/* Enable branch tracing for @ptid and allocate a branch trace target
information struct for reading and for disabling branch trace. */
struct btrace_target_info *(*enable_btrace) (ptid_t ptid);
- /* Disable branch tracing. */
+ /* Disable branch tracing.
+ Returns zero on success, non-zero otherwise. */
int (*disable_btrace) (struct btrace_target_info *tinfo);
/* Read branch trace data into buffer. We use an int to specify the type
- to break a cyclic dependency. */
- void (*read_btrace) (struct btrace_target_info *, struct buffer *, int type);
+ to break a cyclic dependency.
+ Return 0 on success; print an error message into BUFFER and return -1,
+ otherwise. */
+ int (*read_btrace) (struct btrace_target_info *, struct buffer *, int type);
/* Return true if target supports range stepping. */
int (*supports_range_stepping) (void);
(the_target->supports_agent ? \
(*the_target->supports_agent) () : 0)
-#define target_supports_btrace() \
- (the_target->supports_btrace ? (*the_target->supports_btrace) () : 0)
+#define target_supports_btrace() \
+ (the_target->supports_btrace \
+ ? (*the_target->supports_btrace) (the_target) : 0)
#define target_enable_btrace(ptid) \
(*the_target->enable_btrace) (ptid)
int write_inferior_memory (CORE_ADDR memaddr, const unsigned char *myaddr,
int len);
-void set_desired_inferior (int id);
+void set_desired_thread (int id);
const char *target_pid_to_str (ptid_t);
-const char *target_waitstatus_to_string (const struct target_waitstatus *);
-
#endif /* TARGET_H */
projects / deliverable / binutils-gdb.git / blobdiff