/* Interface between GDB and target environments, including files and processes
Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
+ 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
Free Software Foundation, Inc.
Contributed by Cygnus Support. Written by John Gilmore.
struct target_ops;
struct bp_target_info;
struct regcache;
+struct target_section_table;
+struct trace_state_variable;
+struct trace_status;
+struct uploaded_tsv;
+struct uploaded_tp;
/* This include file defines the interface between the main part
of the debugger, and the part which is target-specific, or
#include "bfd.h"
#include "symtab.h"
-#include "dcache.h"
#include "memattr.h"
#include "vec.h"
+#include "gdb_signals.h"
enum strata
{
file_stratum, /* Executable files, etc */
core_stratum, /* Core dump files */
process_stratum, /* Executing processes */
- thread_stratum /* Executing threads */
+ thread_stratum, /* Executing threads */
+ record_stratum, /* Support record debugging */
+ arch_stratum /* Architecture overrides */
};
enum thread_control_capabilities
TARGET_WAITKIND_EXECD,
+ /* The program had previously vforked, and now the child is done
+ with the shared memory region, because it exec'ed or exited.
+ Note that the event is reported to the vfork parent. This is
+ only used if GDB did not stay attached to the vfork child,
+ otherwise, a TARGET_WAITKIND_EXECD or
+ TARGET_WAITKIND_EXIT|SIGNALLED event associated with the child
+ has the same effect. */
+ TARGET_WAITKIND_VFORK_DONE,
+
/* The program has entered or returned from a system call. On
HP-UX, this is used in the hardware watchpoint implementation.
The syscall's unique integer ID number is in value.syscall_id */
inferior, rather than being stuck in the remote_async_wait()
function. This way the event loop is responsive to other events,
like for instance the user typing. */
- TARGET_WAITKIND_IGNORE
+ TARGET_WAITKIND_IGNORE,
+
+ /* The target has run out of history information,
+ and cannot run backward any further. */
+ TARGET_WAITKIND_NO_HISTORY
};
struct target_waitstatus
{
enum target_waitkind kind;
- /* Forked child pid, execd pathname, exit status or signal number. */
+ /* Forked child pid, execd pathname, exit status, signal number or
+ syscall number. */
union
{
int integer;
enum target_signal sig;
ptid_t related_pid;
char *execd_pathname;
- int syscall_id;
+ int syscall_number;
}
value;
};
+/* Options that can be passed to target_wait. */
+
+/* Return immediately if there's no event already queued. If this
+ options is not requested, target_wait blocks waiting for an
+ event. */
+#define TARGET_WNOHANG 1
+
+/* The structure below stores information about a system call.
+ It is basically used in the "catch syscall" command, and in
+ every function that gives information about a system call.
+
+ It's also good to mention that its fields represent everything
+ that we currently know about a syscall in GDB. */
+struct syscall
+ {
+ /* The syscall number. */
+ int number;
+
+ /* The syscall name. */
+ const char *name;
+ };
+
+/* Return a pretty printed form of target_waitstatus.
+ Space for the result is malloc'd, caller must free. */
+extern char *target_waitstatus_to_string (const struct target_waitstatus *);
+
/* Possible types of events that the inferior handler will have to
deal with. */
enum inferior_event_type
'step n' like commands. */
INF_EXEC_CONTINUE
};
-
-/* Return the string for a signal. */
-extern char *target_signal_to_string (enum target_signal);
-
-/* Return the name (SIGHUP, etc.) for a signal. */
-extern char *target_signal_to_name (enum target_signal);
-
-/* Given a name (SIGHUP, etc.), return its signal. */
-enum target_signal target_signal_from_name (char *);
\f
/* Target objects which can be transfered using target_read,
target_write, et cetera. */
Target implementations of to_xfer_partial never need to handle
this object, and most callers should not use it. */
TARGET_OBJECT_RAW_MEMORY,
+ /* Memory known to be part of the target's stack. This is cached even
+ if it is not in a region marked as such, since it is known to be
+ "normal" RAM. */
+ TARGET_OBJECT_STACK_MEMORY,
/* Kernel Unwind Table. See "ia64-tdep.c". */
TARGET_OBJECT_UNWIND_TABLE,
/* Transfer auxilliary vector. */
See "target-descriptions.c". ANNEX should never be empty. */
TARGET_OBJECT_AVAILABLE_FEATURES,
/* Currently loaded libraries, in XML format. */
- TARGET_OBJECT_LIBRARIES
- /* Possible future objects: TARGET_OBJECT_FILE, TARGET_OBJECT_PROC, ... */
+ TARGET_OBJECT_LIBRARIES,
+ /* Get OS specific data. The ANNEX specifies the type (running
+ processes, etc.). */
+ TARGET_OBJECT_OSDATA,
+ /* Extra signal info. Usually the contents of `siginfo_t' on unix
+ platforms. */
+ TARGET_OBJECT_SIGNAL_INFO,
+ /* The list of threads that are being debugged. */
+ TARGET_OBJECT_THREADS,
+ /* Possible future objects: TARGET_OBJECT_FILE, ... */
};
+/* Enumeration of the kinds of traceframe searches that a target may
+ be able to perform. */
+
+enum trace_find_type
+ {
+ tfind_number,
+ tfind_pc,
+ tfind_tp,
+ tfind_range,
+ tfind_outside,
+ };
+
/* Request that OPS transfer up to LEN 8-bit bytes of the target's
OBJECT. The OFFSET, for a seekable object, specifies the
starting point. The ANNEX can be used to provide additional
extern void get_target_memory (struct target_ops *ops, CORE_ADDR addr,
gdb_byte *buf, LONGEST len);
extern ULONGEST get_target_memory_unsigned (struct target_ops *ops,
- CORE_ADDR addr, int len);
-\f
-
-/* If certain kinds of activity happen, target_wait should perform
- callbacks. */
-/* Right now we just call (*TARGET_ACTIVITY_FUNCTION) if I/O is possible
- on TARGET_ACTIVITY_FD. */
-extern int target_activity_fd;
-/* Returns zero to leave the inferior alone, one to interrupt it. */
-extern int (*target_activity_function) (void);
+ CORE_ADDR addr, int len,
+ enum bfd_endian byte_order);
\f
struct thread_info; /* fwd decl for parameter list below: */
to xfree everything (including the "struct target_ops"). */
void (*to_xclose) (struct target_ops *targ, int quitting);
void (*to_close) (int);
- void (*to_attach) (char *, int);
+ void (*to_attach) (struct target_ops *ops, char *, int);
void (*to_post_attach) (int);
- void (*to_detach) (char *, int);
+ void (*to_detach) (struct target_ops *ops, char *, int);
void (*to_disconnect) (struct target_ops *, char *, int);
- void (*to_resume) (ptid_t, int, enum target_signal);
- ptid_t (*to_wait) (ptid_t, struct target_waitstatus *);
- void (*to_fetch_registers) (struct regcache *, int);
- void (*to_store_registers) (struct regcache *, int);
+ void (*to_resume) (struct target_ops *, ptid_t, int, enum target_signal);
+ ptid_t (*to_wait) (struct target_ops *,
+ ptid_t, struct target_waitstatus *, int);
+ void (*to_fetch_registers) (struct target_ops *, struct regcache *, int);
+ void (*to_store_registers) (struct target_ops *, struct regcache *, int);
void (*to_prepare_to_store) (struct regcache *);
/* Transfer LEN bytes of memory between GDB address MYADDR and
struct target_ops *target);
void (*to_files_info) (struct target_ops *);
- int (*to_insert_breakpoint) (struct bp_target_info *);
- int (*to_remove_breakpoint) (struct bp_target_info *);
+ int (*to_insert_breakpoint) (struct gdbarch *, struct bp_target_info *);
+ int (*to_remove_breakpoint) (struct gdbarch *, struct bp_target_info *);
int (*to_can_use_hw_breakpoint) (int, int, int);
- int (*to_insert_hw_breakpoint) (struct bp_target_info *);
- int (*to_remove_hw_breakpoint) (struct bp_target_info *);
+ int (*to_insert_hw_breakpoint) (struct gdbarch *, struct bp_target_info *);
+ int (*to_remove_hw_breakpoint) (struct gdbarch *, struct bp_target_info *);
int (*to_remove_watchpoint) (CORE_ADDR, int, int);
int (*to_insert_watchpoint) (CORE_ADDR, int, int);
int (*to_stopped_by_watchpoint) (void);
void (*to_terminal_ours) (void);
void (*to_terminal_save_ours) (void);
void (*to_terminal_info) (char *, int);
- void (*to_kill) (void);
+ void (*to_kill) (struct target_ops *);
void (*to_load) (char *, int);
int (*to_lookup_symbol) (char *, CORE_ADDR *);
- void (*to_create_inferior) (char *, char *, char **, int);
+ void (*to_create_inferior) (struct target_ops *,
+ char *, char *, char **, int);
void (*to_post_startup_inferior) (ptid_t);
void (*to_acknowledge_created_inferior) (int);
void (*to_insert_fork_catchpoint) (int);
int (*to_follow_fork) (struct target_ops *, int);
void (*to_insert_exec_catchpoint) (int);
int (*to_remove_exec_catchpoint) (int);
+ int (*to_set_syscall_catchpoint) (int, int, int, int, int *);
int (*to_has_exited) (int, int, int *);
- void (*to_mourn_inferior) (void);
+ void (*to_mourn_inferior) (struct target_ops *);
int (*to_can_run) (void);
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) (ptid_t);
+ int (*to_thread_alive) (struct target_ops *, ptid_t ptid);
+ void (*to_find_new_threads) (struct target_ops *);
+ char *(*to_pid_to_str) (struct target_ops *, ptid_t);
char *(*to_extra_thread_info) (struct thread_info *);
void (*to_stop) (ptid_t);
void (*to_rcmd) (char *command, struct ui_file *output);
char *(*to_pid_to_exec_file) (int pid);
void (*to_log_command) (const char *);
+ struct target_section_table *(*to_get_section_table) (struct target_ops *);
enum strata to_stratum;
- int to_has_all_memory;
- int to_has_memory;
- int to_has_stack;
- int to_has_registers;
- int to_has_execution;
+ int (*to_has_all_memory) (struct target_ops *);
+ int (*to_has_memory) (struct target_ops *);
+ int (*to_has_stack) (struct target_ops *);
+ int (*to_has_registers) (struct target_ops *);
+ int (*to_has_execution) (struct target_ops *);
int to_has_thread_control; /* control thread execution */
int to_attach_no_wait;
- struct section_table
- *to_sections;
- struct section_table
- *to_sections_end;
/* ASYNC target controls */
int (*to_can_async_p) (void);
int (*to_is_async_p) (void);
void (*to_async) (void (*) (enum inferior_event_type, void *), void *);
int (*to_async_mask) (int);
int (*to_supports_non_stop) (void);
+ /* find_memory_regions support method for gcore */
int (*to_find_memory_regions) (int (*) (CORE_ADDR,
unsigned long,
int, int, int,
void *),
void *);
+ /* make_corefile_notes support method for gcore */
char * (*to_make_corefile_notes) (bfd *, int *);
-
+ /* get_bookmark support method for bookmarks */
+ gdb_byte * (*to_get_bookmark) (char *, int);
+ /* goto_bookmark support method for bookmarks */
+ void (*to_goto_bookmark) (gdb_byte *, int);
/* Return the thread-local address at OFFSET in the
thread-local storage for the thread PTID and the shared library
or executable file given by OBJFILE. If that block of
thread-local storage hasn't been allocated yet, this function
may return an error. */
- CORE_ADDR (*to_get_thread_local_address) (ptid_t ptid,
+ CORE_ADDR (*to_get_thread_local_address) (struct target_ops *ops,
+ ptid_t ptid,
CORE_ADDR load_module_addr,
CORE_ADDR offset);
was available. */
const struct target_desc *(*to_read_description) (struct target_ops *ops);
+ /* Build the PTID of the thread on which a given task is running,
+ based on LWP and THREAD. These values are extracted from the
+ task Private_Data section of the Ada Task Control Block, and
+ their interpretation depends on the target. */
+ ptid_t (*to_get_ada_task_ptid) (long lwp, long thread);
+
/* Read one auxv entry from *READPTR, not reading locations >= ENDPTR.
Return 0 if *READPTR is already at the end of the buffer.
Return -1 if there is insufficient buffer for a whole entry.
const gdb_byte *pattern, ULONGEST pattern_len,
CORE_ADDR *found_addrp);
+ /* Can target execute in reverse? */
+ int (*to_can_execute_reverse) (void);
+
+ /* Does this target support debugging multiple processes
+ simultaneously? */
+ int (*to_supports_multi_process) (void);
+
+ /* Determine current architecture of thread PTID.
+
+ The target is supposed to determine the architecture of the code where
+ the target is currently stopped at (on Cell, if a target is in spu_run,
+ to_thread_architecture would return SPU, otherwise PPC32 or PPC64).
+ This is architecture used to perform decr_pc_after_break adjustment,
+ and also determines the frame architecture of the innermost frame.
+ ptrace operations need to operate according to target_gdbarch.
+
+ The default implementation always returns target_gdbarch. */
+ struct gdbarch *(*to_thread_architecture) (struct target_ops *, ptid_t);
+
+ /* Determine current address space of thread PTID.
+
+ The default implementation always returns the inferior's
+ address space. */
+ struct address_space *(*to_thread_address_space) (struct target_ops *,
+ ptid_t);
+
+ /* Tracepoint-related operations. */
+
+ /* Prepare the target for a tracing run. */
+ void (*to_trace_init) (void);
+
+ /* Send full details of a tracepoint to the target. */
+ void (*to_download_tracepoint) (struct breakpoint *t);
+
+ /* Send full details of a trace state variable to the target. */
+ void (*to_download_trace_state_variable) (struct trace_state_variable *tsv);
+
+ /* Inform the target info of memory regions that are readonly
+ (such as text sections), and so it should return data from
+ those rather than look in the trace buffer. */
+ void (*to_trace_set_readonly_regions) (void);
+
+ /* Start a trace run. */
+ void (*to_trace_start) (void);
+
+ /* Get the current status of a tracing run. */
+ int (*to_get_trace_status) (struct trace_status *ts);
+
+ /* Stop a trace run. */
+ void (*to_trace_stop) (void);
+
+ /* Ask the target to find a trace frame of the given type TYPE,
+ using NUM, ADDR1, and ADDR2 as search parameters. Returns the
+ number of the trace frame, and also the tracepoint number at
+ TPP. If no trace frame matches, return -1. May throw if the
+ operation fails. */
+ int (*to_trace_find) (enum trace_find_type type, int num,
+ ULONGEST addr1, ULONGEST addr2, int *tpp);
+
+ /* Get the value of the trace state variable number TSV, returning
+ 1 if the value is known and writing the value itself into the
+ location pointed to by VAL, else returning 0. */
+ int (*to_get_trace_state_variable_value) (int tsv, LONGEST *val);
+
+ int (*to_save_trace_data) (char *filename);
+
+ int (*to_upload_tracepoints) (struct uploaded_tp **utpp);
+
+ int (*to_upload_trace_state_variables) (struct uploaded_tsv **utsvp);
+
+ LONGEST (*to_get_raw_trace_data) (gdb_byte *buf,
+ ULONGEST offset, LONGEST len);
+
+ /* Set the target's tracing behavior in response to unexpected
+ disconnection - set VAL to 1 to keep tracing, 0 to stop. */
+ void (*to_set_disconnected_tracing) (int val);
+ void (*to_set_circular_trace_buffer) (int val);
+
+ /* Return the processor core that thread PTID was last seen on.
+ This information is updated only when:
+ - update_thread_list is called
+ - thread stops
+ If the core cannot be determined -- either for the specified thread, or
+ right now, or in this debug session, or for this target -- return -1. */
+ int (*to_core_of_thread) (struct target_ops *, ptid_t ptid);
+
int to_magic;
/* Need sub-structure for target machine related rather than comm related?
*/
should be ready to deliver the status of the process immediately
(without waiting) to an upcoming target_wait call. */
-#define target_attach(args, from_tty) \
- (*current_target.to_attach) (args, from_tty)
+void target_attach (char *, int);
/* Some targets don't generate traps when attaching to the inferior,
or their target_attach implementation takes care of the waiting.
_NOT_ OK to throw_exception() out of target_wait() without popping
the debugging target from the stack; GDB isn't prepared to get back
to the prompt with a debugging target but without the frame cache,
- stop_pc, etc., set up. */
+ stop_pc, etc., set up. OPTIONS is a bitwise OR of TARGET_W*
+ options. */
-#define target_wait(ptid, status) \
- (*current_target.to_wait) (ptid, status)
+extern ptid_t target_wait (ptid_t ptid, struct target_waitstatus *status,
+ int options);
/* Fetch at least register REGNO, or all regs if regno == -1. No result. */
-#define target_fetch_registers(regcache, regno) \
- (*current_target.to_fetch_registers) (regcache, regno)
+extern void target_fetch_registers (struct regcache *regcache, int regno);
/* Store at least register REGNO, or all regs if REGNO == -1.
It can store as many registers as it wants to, so target_prepare_to_store
must have been previously called. Calls error() if there are problems. */
-#define target_store_registers(regcache, regs) \
- (*current_target.to_store_registers) (regcache, regs)
+extern void target_store_registers (struct regcache *regcache, int regs);
/* Get ready to modify the registers array. On machines which store
individual registers, this doesn't need to do anything. On machines
#define target_prepare_to_store(regcache) \
(*current_target.to_prepare_to_store) (regcache)
-extern DCACHE *target_dcache;
+/* Determine current address space of thread PTID. */
+
+struct address_space *target_thread_address_space (ptid_t);
+
+/* Returns true if this target can debug multiple processes
+ simultaneously. */
+
+#define target_supports_multi_process() \
+ (*current_target.to_supports_multi_process) ()
+
+/* Invalidate all target dcaches. */
+extern void target_dcache_invalidate (void);
extern int target_read_string (CORE_ADDR, char **, int, int *);
extern int target_read_memory (CORE_ADDR memaddr, gdb_byte *myaddr, int len);
+extern int target_read_stack (CORE_ADDR memaddr, gdb_byte *myaddr, int len);
+
extern int target_write_memory (CORE_ADDR memaddr, const gdb_byte *myaddr,
int len);
-extern int xfer_memory (CORE_ADDR, gdb_byte *, int, int,
- struct mem_attrib *, struct target_ops *);
-
/* Fetches the target's memory map. If one is found it is sorted
and returned, after some consistency checking. Otherwise, NULL
is returned. */
extern int inferior_has_execd (ptid_t pid, char **execd_pathname);
-/* From exec.c */
-
-extern void print_section_info (struct target_ops *, bfd *);
+extern int inferior_has_called_syscall (ptid_t pid, int *syscall_number);
/* Print a line about the current target. */
/* Insert a breakpoint at address BP_TGT->placed_address in the target
machine. Result is 0 for success, or an errno value. */
-#define target_insert_breakpoint(bp_tgt) \
- (*current_target.to_insert_breakpoint) (bp_tgt)
+#define target_insert_breakpoint(gdbarch, bp_tgt) \
+ (*current_target.to_insert_breakpoint) (gdbarch, bp_tgt)
/* Remove a breakpoint at address BP_TGT->placed_address in the target
machine. Result is 0 for success, or an errno value. */
-#define target_remove_breakpoint(bp_tgt) \
- (*current_target.to_remove_breakpoint) (bp_tgt)
+#define target_remove_breakpoint(gdbarch, bp_tgt) \
+ (*current_target.to_remove_breakpoint) (gdbarch, bp_tgt)
/* Initialize the terminal settings we record for the inferior,
before we actually run the inferior. */
/* Put the inferior's terminal settings into effect.
This is preparation for starting or resuming the inferior. */
-#define target_terminal_inferior() \
- (*current_target.to_terminal_inferior) ()
+extern void target_terminal_inferior (void);
/* Put some of our terminal settings into effect,
enough to get proper results from our output,
/* Kill the inferior process. Make it go away. */
-#define target_kill() \
- (*current_target.to_kill) ()
+extern void target_kill (void);
/* Load an executable file into the target process. This is expected
to not only bring new code into the target process, but also to
ENV is the environment vector to pass. Errors reported with error().
On VxWorks and various standalone systems, we ignore exec_file. */
-#define target_create_inferior(exec_file, args, env, FROM_TTY) \
- (*current_target.to_create_inferior) (exec_file, args, env, (FROM_TTY))
-
+void target_create_inferior (char *exec_file, char *args,
+ char **env, int from_tty);
/* Some targets (such as ttrace-based HPUX) don't allow us to request
notification of inferior events such as fork and vork immediately
#define target_remove_exec_catchpoint(pid) \
(*current_target.to_remove_exec_catchpoint) (pid)
+/* Syscall catch.
+
+ NEEDED is nonzero if any syscall catch (of any kind) is requested.
+ If NEEDED is zero, it means the target can disable the mechanism to
+ catch system calls because there are no more catchpoints of this type.
+
+ ANY_COUNT is nonzero if a generic (filter-less) syscall catch is
+ being requested. In this case, both TABLE_SIZE and TABLE should
+ be ignored.
+
+ TABLE_SIZE is the number of elements in TABLE. It only matters if
+ ANY_COUNT is zero.
+
+ TABLE is an array of ints, indexed by syscall number. An element in
+ this array is nonzero if that syscall should be caught. This argument
+ only matters if ANY_COUNT is zero. */
+
+#define target_set_syscall_catchpoint(pid, needed, any_count, table_size, table) \
+ (*current_target.to_set_syscall_catchpoint) (pid, needed, any_count, \
+ table_size, table)
+
/* Returns TRUE if PID has exited. And, also sets EXIT_STATUS to the
exit code of PID, if any. */
/* The inferior process has died. Do what is right. */
-#define target_mourn_inferior() \
- (*current_target.to_mourn_inferior) ()
+void target_mourn_inferior (void);
/* Does target have enough data to do a run or attach command? */
/* Check to see if a thread is still alive. */
-#define target_thread_alive(ptid) \
- (*current_target.to_thread_alive) (ptid)
+extern int target_thread_alive (ptid_t ptid);
/* Query for new threads and add them to the thread list. */
-#define target_find_new_threads() \
- (*current_target.to_find_new_threads) ()
+extern void target_find_new_threads (void);
/* Make target stop in a continuable fashion. (For instance, under
Unix, this should act like SIGSTOP). This function is normally
determines whether we look up the target chain for other parts of
memory if this target can't satisfy a request. */
-#define target_has_all_memory \
- (current_target.to_has_all_memory)
+extern int target_has_all_memory_1 (void);
+#define target_has_all_memory target_has_all_memory_1 ()
/* Does the target include memory? (Dummy targets don't.) */
-#define target_has_memory \
- (current_target.to_has_memory)
+extern int target_has_memory_1 (void);
+#define target_has_memory target_has_memory_1 ()
/* Does the target have a stack? (Exec files don't, VxWorks doesn't, until
we start a process.) */
-#define target_has_stack \
- (current_target.to_has_stack)
+extern int target_has_stack_1 (void);
+#define target_has_stack target_has_stack_1 ()
/* Does the target have registers? (Exec files don't.) */
-#define target_has_registers \
- (current_target.to_has_registers)
+extern int target_has_registers_1 (void);
+#define target_has_registers target_has_registers_1 ()
/* Does the target have execution? Can we make it jump (through
hoops), or pop its stack a few times? This means that the current
case this will become true after target_create_inferior or
target_attach. */
-#define target_has_execution \
- (current_target.to_has_execution)
+extern int target_has_execution_1 (void);
+#define target_has_execution target_has_execution_1 ()
+
+/* Default implementations for process_stratum targets. Return true
+ if there's a selected inferior, false otherwise. */
+
+extern int default_child_has_all_memory (struct target_ops *ops);
+extern int default_child_has_memory (struct target_ops *ops);
+extern int default_child_has_stack (struct target_ops *ops);
+extern int default_child_has_registers (struct target_ops *ops);
+extern int default_child_has_execution (struct target_ops *ops);
/* Can the target support the debugger control of thread execution?
Can it lock the thread scheduler? */
`process xyz', but on some systems it may contain
`process xyz thread abc'. */
-#undef target_pid_to_str
-#define target_pid_to_str(PID) current_target.to_pid_to_str (PID)
+extern char *target_pid_to_str (ptid_t ptid);
-#ifndef target_tid_to_str
-#define target_tid_to_str(PID) \
- target_pid_to_str (PID)
extern char *normal_pid_to_str (ptid_t ptid);
-#endif
/* Return a short string describing extra information about PID,
e.g. "sleeping", "runnable", "running on LWP 3". Null return value
#define target_pid_to_exec_file(pid) \
(current_target.to_pid_to_exec_file) (pid)
+/* See the to_thread_architecture description in struct target_ops. */
+
+#define target_thread_architecture(ptid) \
+ (current_target.to_thread_architecture (¤t_target, ptid))
+
/*
* Iterator function for target memory regions.
* Calls a callback function once for each memory region 'mapped'
#define target_make_corefile_notes(BFD, SIZE_P) \
(current_target.to_make_corefile_notes) (BFD, SIZE_P)
-/* Thread-local values. */
-#define target_get_thread_local_address \
- (current_target.to_get_thread_local_address)
-#define target_get_thread_local_address_p() \
- (target_get_thread_local_address != NULL)
+/* Bookmark interfaces. */
+#define target_get_bookmark(ARGS, FROM_TTY) \
+ (current_target.to_get_bookmark) (ARGS, FROM_TTY)
+#define target_goto_bookmark(ARG, FROM_TTY) \
+ (current_target.to_goto_bookmark) (ARG, FROM_TTY)
/* Hardware watchpoint interfaces. */
/* Returns non-zero if we were stopped by a hardware watchpoint (memory read or
- write). */
+ write). Only the INFERIOR_PTID task is being queried. */
-#ifndef STOPPED_BY_WATCHPOINT
-#define STOPPED_BY_WATCHPOINT(w) \
- (*current_target.to_stopped_by_watchpoint) ()
-#endif
+#define target_stopped_by_watchpoint \
+ (*current_target.to_stopped_by_watchpoint)
/* Non-zero if we have steppable watchpoints */
-#ifndef HAVE_STEPPABLE_WATCHPOINT
-#define HAVE_STEPPABLE_WATCHPOINT \
+#define target_have_steppable_watchpoint \
(current_target.to_have_steppable_watchpoint)
-#endif
/* Non-zero if we have continuable watchpoints */
-#ifndef HAVE_CONTINUABLE_WATCHPOINT
-#define HAVE_CONTINUABLE_WATCHPOINT \
+#define target_have_continuable_watchpoint \
(current_target.to_have_continuable_watchpoint)
-#endif
/* Provide defaults for hardware watchpoint functions. */
bp_hardware_breakpoint. CNT is the number of such watchpoints used so far
(including this one?). OTHERTYPE is who knows what... */
-#ifndef TARGET_CAN_USE_HARDWARE_WATCHPOINT
-#define TARGET_CAN_USE_HARDWARE_WATCHPOINT(TYPE,CNT,OTHERTYPE) \
+#define target_can_use_hardware_watchpoint(TYPE,CNT,OTHERTYPE) \
(*current_target.to_can_use_hw_breakpoint) (TYPE, CNT, OTHERTYPE);
-#endif
-#ifndef TARGET_REGION_OK_FOR_HW_WATCHPOINT
-#define TARGET_REGION_OK_FOR_HW_WATCHPOINT(addr, len) \
+#define target_region_ok_for_hw_watchpoint(addr, len) \
(*current_target.to_region_ok_for_hw_watchpoint) (addr, len)
-#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
- success, non-zero for failure. */
+/* 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 success, 1 if the watchpoint type is not supported,
+ -1 for failure. */
-#ifndef target_insert_watchpoint
#define target_insert_watchpoint(addr, len, type) \
(*current_target.to_insert_watchpoint) (addr, len, type)
#define target_remove_watchpoint(addr, len, type) \
(*current_target.to_remove_watchpoint) (addr, len, type)
-#endif
-
-#ifndef target_insert_hw_breakpoint
-#define target_insert_hw_breakpoint(bp_tgt) \
- (*current_target.to_insert_hw_breakpoint) (bp_tgt)
-#define target_remove_hw_breakpoint(bp_tgt) \
- (*current_target.to_remove_hw_breakpoint) (bp_tgt)
-#endif
+#define target_insert_hw_breakpoint(gdbarch, bp_tgt) \
+ (*current_target.to_insert_hw_breakpoint) (gdbarch, bp_tgt)
-extern int target_stopped_data_address_p (struct target_ops *);
+#define target_remove_hw_breakpoint(gdbarch, bp_tgt) \
+ (*current_target.to_remove_hw_breakpoint) (gdbarch, bp_tgt)
-#ifndef target_stopped_data_address
-#define target_stopped_data_address(target, x) \
- (*target.to_stopped_data_address) (target, x)
-#else
-/* Horrible hack to get around existing macros :-(. */
-#define target_stopped_data_address_p(CURRENT_TARGET) (1)
-#endif
+/* Return non-zero if target knows the data address which triggered this
+ target_stopped_by_watchpoint, in such case place it to *ADDR_P. Only the
+ INFERIOR_PTID task is being queried. */
+#define target_stopped_data_address(target, addr_p) \
+ (*target.to_stopped_data_address) (target, addr_p)
#define target_watchpoint_addr_within_range(target, addr, start, length) \
(*target.to_watchpoint_addr_within_range) (target, addr, start, length)
+/* Target can execute in reverse? */
+#define target_can_execute_reverse \
+ (current_target.to_can_execute_reverse ? \
+ current_target.to_can_execute_reverse () : 0)
+
extern const struct target_desc *target_read_description (struct target_ops *);
+#define target_get_ada_task_ptid(lwp, tid) \
+ (*current_target.to_get_ada_task_ptid) (lwp,tid)
+
/* Utility implementation of searching memory. */
extern int simple_search_memory (struct target_ops* ops,
CORE_ADDR start_addr,
ULONGEST pattern_len,
CORE_ADDR *found_addrp);
+/* Tracepoint-related operations. */
+
+#define target_trace_init() \
+ (*current_target.to_trace_init) ()
+
+#define target_download_tracepoint(t) \
+ (*current_target.to_download_tracepoint) (t)
+
+#define target_download_trace_state_variable(tsv) \
+ (*current_target.to_download_trace_state_variable) (tsv)
+
+#define target_trace_start() \
+ (*current_target.to_trace_start) ()
+
+#define target_trace_set_readonly_regions() \
+ (*current_target.to_trace_set_readonly_regions) ()
+
+#define target_get_trace_status(ts) \
+ (*current_target.to_get_trace_status) (ts)
+
+#define target_trace_stop() \
+ (*current_target.to_trace_stop) ()
+
+#define target_trace_find(type,num,addr1,addr2,tpp) \
+ (*current_target.to_trace_find) ((type), (num), (addr1), (addr2), (tpp))
+
+#define target_get_trace_state_variable_value(tsv,val) \
+ (*current_target.to_get_trace_state_variable_value) ((tsv), (val))
+
+#define target_save_trace_data(filename) \
+ (*current_target.to_save_trace_data) (filename)
+
+#define target_upload_tracepoints(utpp) \
+ (*current_target.to_upload_tracepoints) (utpp)
+
+#define target_upload_trace_state_variables(utsvp) \
+ (*current_target.to_upload_trace_state_variables) (utsvp)
+
+#define target_get_raw_trace_data(buf,offset,len) \
+ (*current_target.to_get_raw_trace_data) ((buf), (offset), (len))
+
+#define target_set_disconnected_tracing(val) \
+ (*current_target.to_set_disconnected_tracing) (val)
+
+#define target_set_circular_trace_buffer(val) \
+ (*current_target.to_set_circular_trace_buffer) (val)
+
/* Command logging facility. */
#define target_log_command(p) \
(*current_target.to_log_command) (p); \
while (0)
+
+extern int target_core_of_thread (ptid_t ptid);
+
/* Routines for maintenance of the target structures...
add_target: Add a target to the list of all possible targets.
extern CORE_ADDR target_translate_tls_address (struct objfile *objfile,
CORE_ADDR offset);
-/* Mark a pushed target as running or exited, for targets which do not
- automatically pop when not active. */
-
-void target_mark_running (struct target_ops *);
-
-void target_mark_exited (struct target_ops *);
-
-/* Struct section_table maps address ranges to file sections. It is
+/* Struct target_section maps address ranges to file sections. It is
mostly used with BFD files, but can be used without (e.g. for handling
raw disks, or files not in formats handled by BFD). */
-struct section_table
+struct target_section
{
CORE_ADDR addr; /* Lowest address in section */
CORE_ADDR endaddr; /* 1+highest address in section */
bfd *bfd; /* BFD file pointer */
};
+/* Holds an array of target sections. Defined by [SECTIONS..SECTIONS_END[. */
+
+struct target_section_table
+{
+ struct target_section *sections;
+ struct target_section *sections_end;
+};
+
/* Return the "section" containing the specified address. */
-struct section_table *target_section_by_addr (struct target_ops *target,
- CORE_ADDR addr);
+struct target_section *target_section_by_addr (struct target_ops *target,
+ CORE_ADDR addr);
+/* Return the target section table this target (or the targets
+ beneath) currently manipulate. */
+
+extern struct target_section_table *target_get_section_table
+ (struct target_ops *target);
/* From mem-break.c */
-extern int memory_remove_breakpoint (struct bp_target_info *);
+extern int memory_remove_breakpoint (struct gdbarch *, struct bp_target_info *);
-extern int memory_insert_breakpoint (struct bp_target_info *);
+extern int memory_insert_breakpoint (struct gdbarch *, struct bp_target_info *);
extern int default_memory_remove_breakpoint (struct gdbarch *, struct bp_target_info *);
extern void initialize_targets (void);
-extern void noprocess (void);
+extern NORETURN void noprocess (void) ATTR_NORETURN;
extern void target_require_runnable (void);
-extern void find_default_attach (char *, int);
+extern void find_default_attach (struct target_ops *, char *, int);
-extern void find_default_create_inferior (char *, char *, char **, int);
+extern void find_default_create_inferior (struct target_ops *,
+ char *, char *, char **, int);
extern struct target_ops *find_run_target (void);
extern struct target_ops *find_target_beneath (struct target_ops *);
-extern int target_resize_to_sections (struct target_ops *target,
- int num_added);
+/* Read OS data object of type TYPE from the target, and return it in
+ XML format. The result is NUL-terminated and returned as a string,
+ allocated using xmalloc. If an error occurs or the transfer is
+ unsupported, NULL is returned. Empty objects are returned as
+ allocated but empty strings. */
-extern void remove_target_sections (bfd *abfd);
+extern char *target_get_osdata (const char *type);
\f
/* Stuff that should be shared among the various remote targets. */
/* This is for native targets which use a unix/POSIX-style waitstatus. */
extern void store_waitstatus (struct target_waitstatus *, int);
-/* Predicate to target_signal_to_host(). Return non-zero if the enum
- targ_signal SIGNO has an equivalent ``host'' representation. */
-/* FIXME: cagney/1999-11-22: The name below was chosen in preference
- to the shorter target_signal_p() because it is far less ambigious.
- In this context ``target_signal'' refers to GDB's internal
- representation of the target's set of signals while ``host signal''
- refers to the target operating system's signal. Confused? */
-
-extern int target_signal_to_host_p (enum target_signal signo);
-
-/* Convert between host signal numbers and enum target_signal's.
- target_signal_to_host() returns 0 and prints a warning() on GDB's
- console if SIGNO has no equivalent host representation. */
-/* FIXME: cagney/1999-11-22: Here ``host'' is used incorrectly, it is
- refering to the target operating system's signal numbering.
- Similarly, ``enum target_signal'' is named incorrectly, ``enum
- gdb_signal'' would probably be better as it is refering to GDB's
- internal representation of a target operating system's signal. */
-
-extern enum target_signal target_signal_from_host (int);
-extern int target_signal_to_host (enum target_signal);
-
+/* These are in common/signals.c, but they're only used by gdb. */
extern enum target_signal default_target_signal_from_host (struct gdbarch *,
int);
extern int default_target_signal_to_host (struct gdbarch *,
/* Convert from a number used in a GDB command to an enum target_signal. */
extern enum target_signal target_signal_from_command (int);
+/* End of files in common/signals.c. */
/* Set the show memory breakpoints mode to show, and installs a cleanup
to restore it back to the current value. */
projects / deliverable / binutils-gdb.git / blobdiff