/* Interface between GDB and target environments, including files and processes
Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- 2000, 2001 Free Software Foundation, Inc.
+ 2000, 2001, 2002 Free Software Foundation, Inc.
Contributed by Cygnus Support. Written by John Gilmore.
This file is part of GDB.
void (*to_require_attach) (char *, int);
void (*to_detach) (char *, int);
void (*to_require_detach) (int, char *, int);
- void (*to_resume) (int, int, enum target_signal);
- int (*to_wait) (int, struct target_waitstatus *);
- void (*to_post_wait) (int, int);
+ void (*to_resume) (ptid_t, int, enum target_signal);
+ ptid_t (*to_wait) (ptid_t, struct target_waitstatus *);
+ void (*to_post_wait) (ptid_t, int);
void (*to_fetch_registers) (int);
void (*to_store_registers) (int);
void (*to_prepare_to_store) (void);
void (*to_load) (char *, int);
int (*to_lookup_symbol) (char *, CORE_ADDR *);
void (*to_create_inferior) (char *, char *, char **);
- void (*to_post_startup_inferior) (int);
+ void (*to_post_startup_inferior) (ptid_t);
void (*to_acknowledge_created_inferior) (int);
void (*to_clone_and_follow_inferior) (int, int *);
void (*to_post_follow_inferior_by_clone) (void);
int (*to_has_exited) (int, int, int *);
void (*to_mourn_inferior) (void);
int (*to_can_run) (void);
- void (*to_notice_signals) (int pid);
- int (*to_thread_alive) (int pid);
+ void (*to_notice_signals) (ptid_t ptid);
+ int (*to_thread_alive) (ptid_t ptid);
void (*to_find_new_threads) (void);
- char *(*to_pid_to_str) (int);
+ char *(*to_pid_to_str) (ptid_t);
char *(*to_extra_thread_info) (struct thread_info *);
void (*to_stop) (void);
int (*to_query) (int /*char */ , char *, char *, int *);
int);
struct exception_event_record *(*to_get_current_exception_event) (void);
char *(*to_pid_to_exec_file) (int pid);
- char *(*to_core_file_to_sym_file) (char *);
enum strata to_stratum;
struct target_ops
*DONT_USE; /* formerly to_next */
void (*to_async) (void (*cb) (enum inferior_event_type, void *context),
void *context);
int to_async_mask_value;
+ int (*to_find_memory_regions) (int (*) (CORE_ADDR,
+ unsigned long,
+ int, int, int,
+ void *),
+ void *);
+ char * (*to_make_corefile_notes) (bfd *, int *);
int to_magic;
/* Need sub-structure for target machine related rather than comm related?
*/
#define target_require_detach(pid, args, from_tty) \
(*current_target.to_require_detach) (pid, args, from_tty)
-/* Resume execution of the target process PID. STEP says whether to
+/* Resume execution of the target process PTID. STEP says whether to
single-step or to run free; SIGGNAL is the signal to be given to
the target, or TARGET_SIGNAL_0 for no signal. The caller may not
pass TARGET_SIGNAL_DEFAULT. */
-#define target_resume(pid, step, siggnal) \
+#define target_resume(ptid, step, siggnal) \
do { \
dcache_invalidate(target_dcache); \
- (*current_target.to_resume) (pid, step, siggnal); \
+ (*current_target.to_resume) (ptid, step, siggnal); \
} while (0)
-/* Wait for process pid to do something. Pid = -1 to wait for any pid
+/* Wait for process pid to do something. PTID = -1 to wait for any pid
to do something. Return pid of child, or -1 in case of error;
store status through argument pointer STATUS. Note that it is
*not* OK to return_to_top_level out of target_wait without popping
to the prompt with a debugging target but without the frame cache,
stop_pc, etc., set up. */
-#define target_wait(pid, status) \
- (*current_target.to_wait) (pid, status)
+#define target_wait(ptid, status) \
+ (*current_target.to_wait) (ptid, status)
/* The target_wait operation waits for a process event to occur, and
thereby stop the process.
This operation provides a target-specific hook that allows the
necessary bookkeeping to be performed to track such sequences. */
-#define target_post_wait(pid, status) \
- (*current_target.to_post_wait) (pid, status)
+#define target_post_wait(ptid, status) \
+ (*current_target.to_post_wait) (ptid, status)
/* Fetch at least register REGNO, or all regs if regno == -1. No result. */
extern void child_post_attach (int);
#endif
-extern void child_post_wait (int, int);
+extern void child_post_wait (ptid_t, int);
-extern void child_post_startup_inferior (int);
+extern void child_post_startup_inferior (ptid_t);
extern void child_acknowledge_created_inferior (int);
extern int child_has_exited (int, int, int *);
-extern int child_thread_alive (int);
+extern int child_thread_alive (ptid_t);
/* From exec.c */
#define target_lookup_symbol(name, addrp) \
(*current_target.to_lookup_symbol) (name, addrp)
-/* Start an inferior process and set inferior_pid to its pid.
+/* Start an inferior process and set inferior_ptid to its pid.
EXEC_FILE is the file to run.
ALLARGS is a string containing the arguments to the program.
ENV is the environment vector to pass. Errors reported with error().
Such targets will supply an appropriate definition for this function. */
-#define target_post_startup_inferior(pid) \
- (*current_target.to_post_startup_inferior) (pid)
+#define target_post_startup_inferior(ptid) \
+ (*current_target.to_post_startup_inferior) (ptid)
/* On some targets, the sequence of starting up an inferior requires
some synchronization between gdb and the new inferior process, PID. */
/* post process changes to signal handling in the inferior. */
-#define target_notice_signals(pid) \
- (*current_target.to_notice_signals) (pid)
+#define target_notice_signals(ptid) \
+ (*current_target.to_notice_signals) (ptid)
/* Check to see if a thread is still alive. */
-#define target_thread_alive(pid) \
- (*current_target.to_thread_alive) (pid)
+#define target_thread_alive(ptid) \
+ (*current_target.to_thread_alive) (ptid)
/* Query for new threads and add them to the thread list. */
#ifndef target_tid_to_str
#define target_tid_to_str(PID) \
target_pid_to_str (PID)
-extern char *normal_pid_to_str (int pid);
+extern char *normal_pid_to_str (ptid_t ptid);
#endif
/* Return a short string describing extra information about PID,
#define target_pid_to_exec_file(pid) \
(current_target.to_pid_to_exec_file) (pid)
+/*
+ * Iterator function for target memory regions.
+ * Calls a callback function once for each memory region 'mapped'
+ * in the child process. Defined as a simple macro rather than
+ * as a function macro so that it can be tested for nullity.
+ */
+
+#define target_find_memory_regions(FUNC, DATA) \
+ (current_target.to_find_memory_regions) (FUNC, DATA)
+
+/*
+ * Compose corefile .note section.
+ */
+
+#define target_make_corefile_notes(BFD, SIZE_P) \
+ (current_target.to_make_corefile_notes) (BFD, SIZE_P)
+
/* Hook to call target-dependent code after reading in a new symbol table. */
#ifndef TARGET_SYMFILE_POSTREAD
((LONGEST)(byte_count) <= REGISTER_SIZE)
#endif
-/* However, some addresses may not be profitable to use hardware to watch,
- or may be difficult to understand when the addressed object is out of
- scope, and hence should be unwatched. On some targets, this may have
- severe performance penalties, such that we might as well use regular
- watchpoints, and save (possibly precious) hardware watchpoints for other
- locations. */
-
-#if !defined(TARGET_RANGE_PROFITABLE_FOR_HW_WATCHPOINT)
-#define TARGET_RANGE_PROFITABLE_FOR_HW_WATCHPOINT(pid,start,len) 0
-#endif
-
/* Set/clear a hardware watchpoint starting at ADDR, for LEN bytes. TYPE is 0
for write, 1 for read, and 2 for read/write accesses. Returns 0 for
\f
/* Imported from machine dependent code */
-#ifndef SOFTWARE_SINGLE_STEP_P
-#define SOFTWARE_SINGLE_STEP_P() 0
-#define SOFTWARE_SINGLE_STEP(sig,bp_p) \
- (internal_error (__FILE__, __LINE__, "SOFTWARE_SINGLE_STEP"), 0)
-#endif /* SOFTWARE_SINGLE_STEP_P */
-
/* Blank target vector entries are initialized to target_ignore. */
void target_ignore (void);
-/* Macro for getting target's idea of a frame pointer.
- FIXME: GDB's whole scheme for dealing with "frames" and
- "frame pointers" needs a serious shakedown. */
-#ifndef TARGET_VIRTUAL_FRAME_POINTER
-#define TARGET_VIRTUAL_FRAME_POINTER(ADDR, REGP, OFFP) \
- do { *(REGP) = FP_REGNUM; *(OFFP) = 0; } while (0)
-#endif /* TARGET_VIRTUAL_FRAME_POINTER */
-
#endif /* !defined (TARGET_H) */