/* 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
- Free Software Foundation, Inc.
+ Copyright (C) 1990-2013 Free Software Foundation, Inc.
Contributed by Cygnus Support. Written by John Gilmore.
struct ui_file;
struct mem_attrib;
struct target_ops;
+struct bp_location;
struct bp_target_info;
struct regcache;
+struct target_section_table;
+struct trace_state_variable;
+struct trace_status;
+struct uploaded_tsv;
+struct uploaded_tp;
+struct static_tracepoint_marker;
+struct traceframe_info;
+struct expression;
+struct dcache_struct;
/* This include file defines the interface between the main part
of the debugger, and the part which is target-specific, or
it goes into the file stratum, which is always below the process
stratum. */
+#include "target/resume.h"
+#include "target/wait.h"
+#include "target/waitstatus.h"
#include "bfd.h"
#include "symtab.h"
-#include "dcache.h"
#include "memattr.h"
#include "vec.h"
+#include "gdb_signals.h"
+#include "btrace.h"
+#include "command.h"
enum strata
{
dummy_stratum, /* The lowest of the low */
file_stratum, /* Executable files, etc */
- core_stratum, /* Core dump files */
- download_stratum, /* Downloading of remote targets */
- process_stratum, /* Executing processes */
- thread_stratum /* Executing threads */
+ process_stratum, /* Executing processes or core dump files */
+ thread_stratum, /* Executing threads */
+ record_stratum, /* Support record debugging */
+ arch_stratum /* Architecture overrides */
};
enum thread_control_capabilities
{
tc_none = 0, /* Default: can't control thread execution. */
tc_schedlock = 1, /* Can lock the thread scheduler. */
- tc_switch = 2 /* Can switch the running thread on demand. */
};
-/* Stuff for target_wait. */
-
-/* Generally, what has the program done? */
-enum target_waitkind
+/* 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 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
- (e.g. it called load(2) on AIX). */
- TARGET_WAITKIND_LOADED,
-
- /* The program has forked. A "related" process' ID is in
- value.related_pid. I.e., if the child forks, value.related_pid
- is the parent's ID. */
-
- TARGET_WAITKIND_FORKED,
-
- /* The program has vforked. A "related" process's ID is in
- value.related_pid. */
-
- TARGET_WAITKIND_VFORKED,
+ /* The syscall number. */
+ int number;
- /* The program has exec'ed a new executable file. The new file's
- pathname is pointed to by value.execd_pathname. */
-
- TARGET_WAITKIND_EXECD,
-
- /* 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 */
-
- TARGET_WAITKIND_SYSCALL_ENTRY,
- TARGET_WAITKIND_SYSCALL_RETURN,
-
- /* Nothing happened, but we stopped anyway. This perhaps should be handled
- within target_wait, but I'm not sure target_wait should be resuming the
- inferior. */
- TARGET_WAITKIND_SPURIOUS,
-
- /* An event has occured, but we should wait again.
- Remote_async_wait() returns this when there is an event
- on the inferior, but the rest of the world is not interested in
- it. The inferior has not stopped, but has just sent some output
- to the console, for instance. In this case, we want to go back
- to the event loop and wait there for another event from the
- 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
+ /* The syscall name. */
+ const char *name;
};
-struct target_waitstatus
- {
- enum target_waitkind kind;
-
- /* Forked child pid, execd pathname, exit status or signal number. */
- union
- {
- int integer;
- enum target_signal sig;
- int related_pid;
- char *execd_pathname;
- int syscall_id;
- }
- value;
- };
+/* 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 *);
+
+/* Return a pretty printed form of TARGET_OPTIONS.
+ Space for the result is malloc'd, caller must free. */
+extern char *target_options_to_string (int target_options);
/* Possible types of events that the inferior handler will have to
deal with. */
enum inferior_event_type
{
- /* There is a request to quit the inferior, abandon it. */
- INF_QUIT_REQ,
/* Process a normal inferior event which will result in target_wait
being called. */
INF_REG_EVENT,
- /* Deal with an error on the inferior. */
- INF_ERROR,
/* We are called because a timer went off. */
INF_TIMER,
/* We are called to do stuff after the inferior stops. */
INF_EXEC_COMPLETE,
/* We are called to do some stuff after the inferior stops, but we
are expected to reenter the proceed() and
- handle_inferior_event() functions. This is used only in case of
+ handle_inferior_event() functions. This is used only in case of
'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,
+ /* Currently loaded libraries specific for SVR4 systems, in XML format. */
+ TARGET_OBJECT_LIBRARIES_SVR4,
+ /* Currently loaded libraries specific to AIX systems, in XML format. */
+ TARGET_OBJECT_LIBRARIES_AIX,
+ /* Get OS specific data. The ANNEX specifies the type (running
+ processes, etc.). The data being transfered is expected to follow
+ the DTD specified in features/osdata.dtd. */
+ 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,
+ /* Collected static trace data. */
+ TARGET_OBJECT_STATIC_TRACE_DATA,
+ /* The HP-UX registers (those that can be obtained or modified by using
+ the TT_LWP_RUREGS/TT_LWP_WUREGS ttrace requests). */
+ TARGET_OBJECT_HPUX_UREGS,
+ /* The HP-UX shared library linkage pointer. ANNEX should be a string
+ image of the code address whose linkage pointer we are looking for.
+
+ The size of the data transfered is always 8 bytes (the size of an
+ address on ia64). */
+ TARGET_OBJECT_HPUX_SOLIB_GOT,
+ /* Traceframe info, in XML format. */
+ TARGET_OBJECT_TRACEFRAME_INFO,
+ /* Load maps for FDPIC systems. */
+ TARGET_OBJECT_FDPIC,
+ /* Darwin dynamic linker info data. */
+ TARGET_OBJECT_DARWIN_DYLD_INFO,
+ /* OpenVMS Unwind Information Block. */
+ TARGET_OBJECT_OPENVMS_UIB,
+ /* Branch trace data, in XML format. */
+ TARGET_OBJECT_BTRACE
+ /* Possible future objects: TARGET_OBJECT_FILE, ... */
+};
+
+/* Possible error codes returned by target_xfer_partial, etc. */
+
+enum target_xfer_error
+{
+ /* Generic I/O error. Note that it's important that this is '-1',
+ as we still have target_xfer-related code returning hardcoded
+ '-1' on error. */
+ TARGET_XFER_E_IO = -1,
+
+ /* Transfer failed because the piece of the object requested is
+ unavailable. */
+ TARGET_XFER_E_UNAVAILABLE = -2,
+
+ /* Keep list in sync with target_xfer_error_to_string. */
};
+/* Return the string form of ERR. */
+
+extern const char *target_xfer_error_to_string (enum target_xfer_error err);
+
+/* 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,
+ };
+
+typedef struct static_tracepoint_marker *static_tracepoint_marker_p;
+DEF_VEC_P(static_tracepoint_marker_p);
+
/* 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
data-specific information to the target.
- Return the number of bytes actually transfered, or -1 if the
- transfer is not supported or otherwise fails. Return of a positive
- value less than LEN indicates that no further transfer is possible.
- Unlike the raw to_xfer_partial interface, callers of these
- functions do not need to retry partial transfers. */
+ Return the number of bytes actually transfered, or a negative error
+ code (an 'enum target_xfer_error' value) if the transfer is not
+ supported or otherwise fails. Return of a positive value less than
+ LEN indicates that no further transfer is possible. Unlike the raw
+ to_xfer_partial interface, callers of these functions do not need
+ to retry partial transfers. */
extern LONGEST target_read (struct target_ops *ops,
enum target_object object,
const char *annex, gdb_byte *buf,
ULONGEST offset, LONGEST len);
+struct memory_read_result
+ {
+ /* First address that was read. */
+ ULONGEST begin;
+ /* Past-the-end address. */
+ ULONGEST end;
+ /* The data. */
+ gdb_byte *data;
+};
+typedef struct memory_read_result memory_read_result_s;
+DEF_VEC_O(memory_read_result_s);
+
+extern void free_memory_read_result_vector (void *);
+
+extern VEC(memory_read_result_s)* read_memory_robust (struct target_ops *ops,
+ ULONGEST offset,
+ LONGEST len);
+
extern LONGEST target_write (struct target_ops *ops,
enum target_object object,
const char *annex, const gdb_byte *buf,
enum target_object object,
const char *annex);
+/* See target_ops->to_xfer_partial. */
+
+extern LONGEST target_xfer_partial (struct target_ops *ops,
+ enum target_object object,
+ const char *annex,
+ void *readbuf, const void *writebuf,
+ ULONGEST offset, LONGEST len);
+
/* Wrappers to target read/write that perform memory transfers. They
throw an error if the memory transfer fails.
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: */
/* Old targets with a static target vector provide "to_close".
New re-entrant targets provide "to_xclose" and that is expected
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_xclose) (struct target_ops *targ);
+ void (*to_close) (void);
+ 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, const 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 gdb_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_remove_watchpoint) (CORE_ADDR, int, int);
- int (*to_insert_watchpoint) (CORE_ADDR, int, int);
+ int (*to_ranged_break_num_registers) (struct target_ops *);
+ int (*to_insert_hw_breakpoint) (struct gdbarch *, struct bp_target_info *);
+ int (*to_remove_hw_breakpoint) (struct gdbarch *, struct bp_target_info *);
+
+ /* Documentation of what the two routines below are expected to do is
+ provided with the corresponding target_* macros. */
+ int (*to_remove_watchpoint) (CORE_ADDR, int, int, struct expression *);
+ int (*to_insert_watchpoint) (CORE_ADDR, int, int, struct expression *);
+
+ int (*to_insert_mask_watchpoint) (struct target_ops *,
+ CORE_ADDR, CORE_ADDR, int);
+ int (*to_remove_mask_watchpoint) (struct target_ops *,
+ CORE_ADDR, CORE_ADDR, int);
int (*to_stopped_by_watchpoint) (void);
int to_have_steppable_watchpoint;
int to_have_continuable_watchpoint;
int (*to_stopped_data_address) (struct target_ops *, CORE_ADDR *);
+ int (*to_watchpoint_addr_within_range) (struct target_ops *,
+ CORE_ADDR, CORE_ADDR, int);
+
+ /* Documentation of this routine is provided with the corresponding
+ target_* macro. */
int (*to_region_ok_for_hw_watchpoint) (CORE_ADDR, int);
+
+ int (*to_can_accel_watchpoint_condition) (CORE_ADDR, int, int,
+ struct expression *);
+ int (*to_masked_watch_num_registers) (struct target_ops *,
+ CORE_ADDR, CORE_ADDR);
void (*to_terminal_init) (void);
void (*to_terminal_inferior) (void);
void (*to_terminal_ours_for_output) (void);
void (*to_terminal_ours) (void);
void (*to_terminal_save_ours) (void);
- void (*to_terminal_info) (char *, int);
- void (*to_kill) (void);
+ void (*to_terminal_info) (const char *, int);
+ 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_insert_fork_catchpoint) (int);
int (*to_remove_fork_catchpoint) (int);
- void (*to_insert_vfork_catchpoint) (int);
+ int (*to_insert_vfork_catchpoint) (int);
int (*to_remove_vfork_catchpoint) (int);
- int (*to_follow_fork) (struct target_ops *, int);
- void (*to_insert_exec_catchpoint) (int);
+ int (*to_follow_fork) (struct target_ops *, int, int);
+ int (*to_insert_exec_catchpoint) (int);
int (*to_remove_exec_catchpoint) (int);
- int (*to_reported_exec_events_per_exec_call) (void);
+ 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);
+
+ /* Documentation of this routine is provided with the corresponding
+ target_* macro. */
+ void (*to_pass_signals) (int, unsigned char *);
+
+ /* Documentation of this routine is provided with the
+ corresponding target_* function. */
+ void (*to_program_signals) (int, unsigned char *);
+
+ 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) (void);
+ char *(*to_thread_name) (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 *, ptid_t);
int to_has_thread_control; /* control thread execution */
- struct section_table
- *to_sections;
- struct section_table
- *to_sections_end;
+ int to_attach_no_wait;
/* ASYNC target controls */
int (*to_can_async_p) (void);
int (*to_is_async_p) (void);
- 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 *);
+ void (*to_async) (void (*) (enum inferior_event_type, void *), void *);
+ int (*to_supports_non_stop) (void);
+ /* find_memory_regions support method for gcore */
+ int (*to_find_memory_regions) (find_memory_region_ftype func, void *data);
+ /* 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);
data-specific information to the target.
Return the number of bytes actually transfered, zero when no
- further transfer is possible, and -1 when the transfer is not
+ further transfer is possible, and a negative error code (really
+ an 'enum target_xfer_error' value) when the transfer is not
supported. Return of a positive value smaller than LEN does
not indicate the end of the object, only the end of the
transfer; higher level code should continue transferring if
RAM. The returned memory regions should not overlap.
The order of regions does not matter; target_memory_map will
- sort regions by starting address. For that reason, this
+ sort regions by starting address. For that reason, this
function should not be called directly except via
target_memory_map.
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.
+ Return 1 if an entry was read into *TYPEP and *VALP. */
+ int (*to_auxv_parse) (struct target_ops *ops, gdb_byte **readptr,
+ gdb_byte *endptr, CORE_ADDR *typep, CORE_ADDR *valp);
+
+ /* Search SEARCH_SPACE_LEN bytes beginning at START_ADDR for the
+ sequence of bytes in PATTERN with length PATTERN_LEN.
+
+ The result is 1 if found, 0 if not found, and -1 if there was an error
+ requiring halting of the search (e.g. memory read error).
+ If the pattern is found the address is recorded in FOUND_ADDRP. */
+ int (*to_search_memory) (struct target_ops *ops,
+ CORE_ADDR start_addr, ULONGEST search_space_len,
+ const gdb_byte *pattern, ULONGEST pattern_len,
+ CORE_ADDR *found_addrp);
+
+ /* Can target execute in reverse? */
+ int (*to_can_execute_reverse) (void);
+
+ /* The direction the target is currently executing. Must be
+ implemented on targets that support reverse execution and async
+ mode. The default simply returns forward execution. */
+ enum exec_direction_kind (*to_execution_direction) (void);
+
+ /* Does this target support debugging multiple processes
+ simultaneously? */
+ int (*to_supports_multi_process) (void);
+
+ /* Does this target support enabling and disabling tracepoints while a trace
+ experiment is running? */
+ int (*to_supports_enable_disable_tracepoint) (void);
+
+ /* Does this target support disabling address space randomization? */
+ int (*to_supports_disable_randomization) (void);
+
+ /* Does this target support the tracenz bytecode for string collection? */
+ int (*to_supports_string_tracing) (void);
+
+ /* Does this target support evaluation of breakpoint conditions on its
+ end? */
+ int (*to_supports_evaluation_of_breakpoint_conditions) (void);
+
+ /* Does this target support evaluation of breakpoint commands on its
+ end? */
+ int (*to_can_run_breakpoint_commands) (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);
+
+ /* Target file operations. */
+
+ /* Open FILENAME on the target, using FLAGS and MODE. Return a
+ target file descriptor, or -1 if an error occurs (and set
+ *TARGET_ERRNO). */
+ int (*to_fileio_open) (const char *filename, int flags, int mode,
+ int *target_errno);
+
+ /* Write up to LEN bytes from WRITE_BUF to FD on the target.
+ Return the number of bytes written, or -1 if an error occurs
+ (and set *TARGET_ERRNO). */
+ int (*to_fileio_pwrite) (int fd, const gdb_byte *write_buf, int len,
+ ULONGEST offset, int *target_errno);
+
+ /* Read up to LEN bytes FD on the target into READ_BUF.
+ Return the number of bytes read, or -1 if an error occurs
+ (and set *TARGET_ERRNO). */
+ int (*to_fileio_pread) (int fd, gdb_byte *read_buf, int len,
+ ULONGEST offset, int *target_errno);
+
+ /* Close FD on the target. Return 0, or -1 if an error occurs
+ (and set *TARGET_ERRNO). */
+ int (*to_fileio_close) (int fd, int *target_errno);
+
+ /* Unlink FILENAME on the target. Return 0, or -1 if an error
+ occurs (and set *TARGET_ERRNO). */
+ int (*to_fileio_unlink) (const char *filename, int *target_errno);
+
+ /* Read value of symbolic link FILENAME on the target. Return a
+ null-terminated string allocated via xmalloc, or NULL if an error
+ occurs (and set *TARGET_ERRNO). */
+ char *(*to_fileio_readlink) (const char *filename, int *target_errno);
+
+
+ /* Implement the "info proc" command. */
+ void (*to_info_proc) (struct target_ops *, char *, enum info_proc_what);
+
+ /* Tracepoint-related operations. */
+
+ /* Prepare the target for a tracing run. */
+ void (*to_trace_init) (void);
+
+ /* Send full details of a tracepoint location to the target. */
+ void (*to_download_tracepoint) (struct bp_location *location);
+
+ /* Is the target able to download tracepoint locations in current
+ state? */
+ int (*to_can_download_tracepoint) (void);
+
+ /* Send full details of a trace state variable to the target. */
+ void (*to_download_trace_state_variable) (struct trace_state_variable *tsv);
+
+ /* Enable a tracepoint on the target. */
+ void (*to_enable_tracepoint) (struct bp_location *location);
+
+ /* Disable a tracepoint on the target. */
+ void (*to_disable_tracepoint) (struct bp_location *location);
+
+ /* 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);
+
+ void (*to_get_tracepoint_status) (struct breakpoint *tp,
+ struct uploaded_tp *utp);
+
+ /* 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,
+ CORE_ADDR addr1, CORE_ADDR 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) (const 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);
+
+ /* Get the minimum length of instruction on which a fast tracepoint
+ may be set on the target. If this operation is unsupported,
+ return -1. If for some reason the minimum length cannot be
+ determined, return 0. */
+ int (*to_get_min_fast_tracepoint_insn_len) (void);
+
+ /* 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);
+ /* Set the size of trace buffer in the target. */
+ void (*to_set_trace_buffer_size) (LONGEST val);
+
+ /* Add/change textual notes about the trace run, returning 1 if
+ successful, 0 otherwise. */
+ int (*to_set_trace_notes) (const char *user, const char *notes,
+ const char *stopnotes);
+
+ /* 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);
+
+ /* Verify that the memory in the [MEMADDR, MEMADDR+SIZE) range
+ matches the contents of [DATA,DATA+SIZE). Returns 1 if there's
+ a match, 0 if there's a mismatch, and -1 if an error is
+ encountered while reading memory. */
+ int (*to_verify_memory) (struct target_ops *, const gdb_byte *data,
+ CORE_ADDR memaddr, ULONGEST size);
+
+ /* Return the address of the start of the Thread Information Block
+ a Windows OS specific feature. */
+ int (*to_get_tib_address) (ptid_t ptid, CORE_ADDR *addr);
+
+ /* Send the new settings of write permission variables. */
+ void (*to_set_permissions) (void);
+
+ /* Look for a static tracepoint marker at ADDR, and fill in MARKER
+ with its details. Return 1 on success, 0 on failure. */
+ int (*to_static_tracepoint_marker_at) (CORE_ADDR,
+ struct static_tracepoint_marker *marker);
+
+ /* Return a vector of all tracepoints markers string id ID, or all
+ markers if ID is NULL. */
+ VEC(static_tracepoint_marker_p) *(*to_static_tracepoint_markers_by_strid)
+ (const char *id);
+
+ /* Return a traceframe info object describing the current
+ traceframe's contents. If the target doesn't support
+ traceframe info, return NULL. If the current traceframe is not
+ selected (the current traceframe number is -1), the target can
+ choose to return either NULL or an empty traceframe info. If
+ NULL is returned, for example in remote target, GDB will read
+ from the live inferior. If an empty traceframe info is
+ returned, for example in tfile target, which means the
+ traceframe info is available, but the requested memory is not
+ available in it. GDB will try to see if the requested memory
+ is available in the read-only sections. This method should not
+ cache data; higher layers take care of caching, invalidating,
+ and re-fetching when necessary. */
+ struct traceframe_info *(*to_traceframe_info) (void);
+
+ /* Ask the target to use or not to use agent according to USE. Return 1
+ successful, 0 otherwise. */
+ int (*to_use_agent) (int use);
+
+ /* Is the target able to use agent in current state? */
+ int (*to_can_use_agent) (void);
+
+ /* Check whether the target supports branch tracing. */
+ int (*to_supports_btrace) (void);
+
+ /* Enable branch tracing for PTID and allocate a branch trace target
+ information struct for reading and for disabling branch trace. */
+ struct btrace_target_info *(*to_enable_btrace) (ptid_t ptid);
+
+ /* Disable branch tracing and deallocate TINFO. */
+ void (*to_disable_btrace) (struct btrace_target_info *tinfo);
+
+ /* Disable branch tracing and deallocate TINFO. This function is similar
+ to to_disable_btrace, except that it is called during teardown and is
+ only allowed to perform actions that are safe. A counter-example would
+ be attempting to talk to a remote target. */
+ void (*to_teardown_btrace) (struct btrace_target_info *tinfo);
+
+ /* Read branch trace data. */
+ VEC (btrace_block_s) *(*to_read_btrace) (struct btrace_target_info *,
+ enum btrace_read_type);
+
+ /* Stop trace recording. */
+ void (*to_stop_recording) (void);
+
+ /* Print information about the recording. */
+ void (*to_info_record) (void);
+
+ /* Save the recorded execution trace into a file. */
+ void (*to_save_record) (const char *filename);
+
+ /* Delete the recorded execution trace from the current position onwards. */
+ void (*to_delete_record) (void);
+
+ /* Query if the record target is currently replaying. */
+ int (*to_record_is_replaying) (void);
+
+ /* Go to the begin of the execution trace. */
+ void (*to_goto_record_begin) (void);
+
+ /* Go to the end of the execution trace. */
+ void (*to_goto_record_end) (void);
+
+ /* Go to a specific location in the recorded execution trace. */
+ void (*to_goto_record) (ULONGEST insn);
+
+ /* Disassemble SIZE instructions in the recorded execution trace from
+ the current position.
+ If SIZE < 0, disassemble abs (SIZE) preceding instructions; otherwise,
+ disassemble SIZE succeeding instructions. */
+ void (*to_insn_history) (int size, int flags);
+
+ /* Disassemble SIZE instructions in the recorded execution trace around
+ FROM.
+ If SIZE < 0, disassemble abs (SIZE) instructions before FROM; otherwise,
+ disassemble SIZE instructions after FROM. */
+ void (*to_insn_history_from) (ULONGEST from, int size, int flags);
+
+ /* Disassemble a section of the recorded execution trace from instruction
+ BEGIN (inclusive) to instruction END (exclusive). */
+ void (*to_insn_history_range) (ULONGEST begin, ULONGEST end, int flags);
+
+ /* Print a function trace of the recorded execution trace.
+ If SIZE < 0, print abs (SIZE) preceding functions; otherwise, print SIZE
+ succeeding functions. */
+ void (*to_call_history) (int size, int flags);
+
+ /* Print a function trace of the recorded execution trace starting
+ at function FROM.
+ If SIZE < 0, print abs (SIZE) functions before FROM; otherwise, print
+ SIZE functions after FROM. */
+ void (*to_call_history_from) (ULONGEST begin, int size, int flags);
+
+ /* Print a function trace of an execution trace section from function BEGIN
+ (inclusive) to function END (exclusive). */
+ void (*to_call_history_range) (ULONGEST begin, ULONGEST end, int flags);
+
+ /* Nonzero if TARGET_OBJECT_LIBRARIES_SVR4 may be read with a
+ non-empty annex. */
+ int (*to_augmented_libraries_svr4_read) (void);
+
int to_magic;
/* Need sub-structure for target machine related rather than comm related?
*/
#define target_longname (current_target.to_longname)
/* Does whatever cleanup is required for a target that we are no
- longer going to be calling. QUITTING indicates that GDB is exiting
- and should not get hung on an error (otherwise it is important to
- perform clean termination, even if it takes a while). This routine
- is automatically always called when popping the target off the
- target stack (to_beneath is undefined). Closing file descriptors
- and freeing all memory allocated memory are typical things it
- should do. */
+ longer going to be calling. This routine is automatically always
+ called after popping the target off the target stack - the target's
+ own methods are no longer available through the target vector.
+ Closing file descriptors and freeing all memory allocated memory are
+ typical things it should do. */
-void target_close (struct target_ops *targ, int quitting);
+void target_close (struct target_ops *targ);
/* Attaches to a process on the target side. Arguments are as passed
to the `attach' command by the user. This routine can be called
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.
+ These targets must set to_attach_no_wait. */
+
+#define target_attach_no_wait \
+ (current_target.to_attach_no_wait)
/* The target_attach operation places a process under debugger control,
and stops the process.
typed by the user (e.g. a signal to send the process). FROM_TTY
says whether to be verbose or not. */
-extern void target_detach (char *, int);
+extern void target_detach (const char *, int);
/* Disconnect from the current target without resuming it (leaving it
waiting for a debugger). */
extern void target_disconnect (char *, int);
-/* 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. */
+/* Resume execution of the target process PTID (or a group of
+ threads). STEP says whether to single-step or to run free; SIGGNAL
+ is the signal to be given to the target, or GDB_SIGNAL_0 for no
+ signal. The caller may not pass GDB_SIGNAL_DEFAULT. A specific
+ PTID means `step/resume only this process id'. A wildcard PTID
+ (all threads, or all threads of process) means `step/resume
+ INFERIOR_PTID, and let other threads (for which the wildcard PTID
+ matches) resume with their 'thread->suspend.stop_signal' signal
+ (usually GDB_SIGNAL_0) if it is in "pass" state, or with no signal
+ if in "no pass" state. */
-#define target_resume(ptid, step, siggnal) \
- do { \
- dcache_invalidate(target_dcache); \
- (*current_target.to_resume) (ptid, step, siggnal); \
- } while (0)
+extern void target_resume (ptid_t ptid, int step, enum gdb_signal signal);
/* 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;
_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);
+
+/* Implement the "info proc" command. This returns one if the request
+ was handled, and zero otherwise. It can also throw an exception if
+ an error was encountered while attempting to handle the
+ request. */
+
+int target_info_proc (char *, enum info_proc_what);
+
+/* Returns true if this target can debug multiple processes
+ simultaneously. */
+
+#define target_supports_multi_process() \
+ (*current_target.to_supports_multi_process) ()
+
+/* Returns true if this target can disable address space randomization. */
+
+int target_supports_disable_randomization (void);
+
+/* Returns true if this target can enable and disable tracepoints
+ while a trace experiment is running. */
+
+#define target_supports_enable_disable_tracepoint() \
+ (*current_target.to_supports_enable_disable_tracepoint) ()
+
+#define target_supports_string_tracing() \
+ (*current_target.to_supports_string_tracing) ()
+
+/* Returns true if this target can handle breakpoint conditions
+ on its end. */
+
+#define target_supports_evaluation_of_breakpoint_conditions() \
+ (*current_target.to_supports_evaluation_of_breakpoint_conditions) ()
+
+/* Returns true if this target can handle breakpoint commands
+ on its end. */
+
+#define target_can_run_breakpoint_commands() \
+ (*current_target.to_can_run_breakpoint_commands) ()
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_memory (CORE_ADDR memaddr, gdb_byte *myaddr,
+ ssize_t len);
+
+extern int target_read_stack (CORE_ADDR memaddr, gdb_byte *myaddr, ssize_t len);
extern int target_write_memory (CORE_ADDR memaddr, const gdb_byte *myaddr,
- int len);
+ ssize_t len);
-extern int xfer_memory (CORE_ADDR, gdb_byte *, int, int,
- struct mem_attrib *, struct target_ops *);
+extern int target_write_raw_memory (CORE_ADDR memaddr, const gdb_byte *myaddr,
+ ssize_t len);
/* Fetches the target's memory map. If one is found it is sorted
and returned, after some consistency checking. Otherwise, NULL
/* Describes a request for a memory write operation. */
struct memory_write_request
{
- /* Begining address that must be written. */
+ /* Begining address that must be written. */
ULONGEST begin;
- /* Past-the-end address. */
+ /* Past-the-end address. */
ULONGEST end;
- /* The data to write. */
+ /* The data to write. */
gdb_byte *data;
/* A callback baton for progress reporting for this request. */
void *baton;
enum flash_preserve_mode preserve_flash_p,
void (*progress_cb) (ULONGEST, void *));
-/* From infrun.c. */
-
-extern int inferior_has_forked (int pid, int *child_pid);
-
-extern int inferior_has_vforked (int pid, int *child_pid);
-
-extern int inferior_has_execd (int pid, char **execd_pathname);
-
-/* From exec.c */
-
-extern void print_section_info (struct target_ops *, bfd *);
-
/* Print a line about the current target. */
#define target_files_info() \
(*current_target.to_files_info) (¤t_target)
/* Insert a breakpoint at address BP_TGT->placed_address in the target
- machine. Result is 0 for success, or an errno value. */
+ machine. Result is 0 for success, non-zero for error. */
-#define target_insert_breakpoint(bp_tgt) \
- (*current_target.to_insert_breakpoint) (bp_tgt)
+extern int target_insert_breakpoint (struct gdbarch *gdbarch,
+ struct bp_target_info *bp_tgt);
/* Remove a breakpoint at address BP_TGT->placed_address in the target
- machine. Result is 0 for success, or an errno value. */
+ machine. Result is 0 for success, non-zero for error. */
-#define target_remove_breakpoint(bp_tgt) \
- (*current_target.to_remove_breakpoint) (bp_tgt)
+extern int target_remove_breakpoint (struct gdbarch *gdbarch,
+ struct bp_target_info *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
extern void target_load (char *arg, int from_tty);
-/* Look up a symbol in the target's symbol table. NAME is the symbol
- name. ADDRP is a CORE_ADDR * pointing to where the value of the
- symbol should be returned. The result is 0 if successful, nonzero
- if the symbol does not exist in the target environment. This
- function should not call error() if communication with the target
- is interrupted, since it is called from symbol reading, but should
- return nonzero, possibly doing a complain(). */
-
-#define target_lookup_symbol(name, addrp) \
- (*current_target.to_lookup_symbol) (name, addrp)
-
/* 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().
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_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. */
-
-#define target_acknowledge_created_inferior(pid) \
- (*current_target.to_acknowledge_created_inferior) (pid)
-
/* On some targets, we can catch an inferior fork or vfork event when
it occurs. These functions insert/remove an already-created
- catchpoint for such events. */
+ catchpoint for such events. They return 0 for success, 1 if the
+ catchpoint type is not supported and -1 for failure. */
#define target_insert_fork_catchpoint(pid) \
(*current_target.to_insert_fork_catchpoint) (pid)
This function returns 1 if the inferior should not be resumed
(i.e. there is another event pending). */
-int target_follow_fork (int follow_child);
+int target_follow_fork (int follow_child, int detach_fork);
/* On some targets, we can catch an inferior exec event when it
occurs. These functions insert/remove an already-created
- catchpoint for such events. */
+ catchpoint for such events. They return 0 for success, 1 if the
+ catchpoint type is not supported and -1 for failure. */
#define target_insert_exec_catchpoint(pid) \
(*current_target.to_insert_exec_catchpoint) (pid)
#define target_remove_exec_catchpoint(pid) \
(*current_target.to_remove_exec_catchpoint) (pid)
-/* Returns the number of exec events that are reported when a process
- invokes a flavor of the exec() system call on this target, if exec
- events are being reported. */
+/* 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_reported_exec_events_per_exec_call() \
- (*current_target.to_reported_exec_events_per_exec_call) ()
+ Return 0 for success, 1 if syscall catchpoints are not supported or -1
+ for failure. */
+
+#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? */
#define target_can_run(t) \
((t)->to_can_run) ()
-/* post process changes to signal handling in the inferior. */
+/* Set list of signals to be handled in the target.
+
+ PASS_SIGNALS is an array of size NSIG, indexed by target signal number
+ (enum gdb_signal). For every signal whose entry in this array is
+ non-zero, the target is allowed -but not required- to skip reporting
+ arrival of the signal to the GDB core by returning from target_wait,
+ and to pass the signal directly to the inferior instead.
+
+ However, if the target is hardware single-stepping a thread that is
+ about to receive a signal, it needs to be reported in any case, even
+ if mentioned in a previous target_pass_signals call. */
+
+extern void target_pass_signals (int nsig, unsigned char *pass_signals);
-#define target_notice_signals(ptid) \
- (*current_target.to_notice_signals) (ptid)
+/* Set list of signals the target may pass to the inferior. This
+ directly maps to the "handle SIGNAL pass/nopass" setting.
+
+ PROGRAM_SIGNALS is an array of size NSIG, indexed by target signal
+ number (enum gdb_signal). For every signal whose entry in this
+ array is non-zero, the target is allowed to pass the signal to the
+ inferior. Signals not present in the array shall be silently
+ discarded. This does not influence whether to pass signals to the
+ inferior as a result of a target_resume call. This is useful in
+ scenarios where the target needs to decide whether to pass or not a
+ signal to the inferior without GDB core involvement, such as for
+ example, when detaching (as threads may have been suspended with
+ pending signals not reported to GDB). */
+
+extern void target_program_signals (int nsig, unsigned char *program_signals);
/* 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
used by GUIs to implement a stop button. */
-#define target_stop current_target.to_stop
+extern void target_stop (ptid_t ptid);
/* Send the specified COMMAND to the target's monitor
(shell,interpreter) for execution. The result of the query is
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 (ptid_t);
+
+/* Like target_has_execution_1, but always passes inferior_ptid. */
+
+extern int target_has_execution_current (void);
+
+#define target_has_execution target_has_execution_current ()
+
+/* 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,
+ ptid_t the_ptid);
/* Can the target support the debugger control of thread execution?
- a) Can it lock the thread scheduler?
- b) Can it switch the currently running thread? */
+ Can it lock the thread scheduler? */
#define target_can_lock_scheduler \
(current_target.to_has_thread_control & tc_schedlock)
-#define target_can_switch_threads \
- (current_target.to_has_thread_control & tc_switch)
+/* Should the target enable async mode if it is supported? Temporary
+ cludge until async mode is a strict superset of sync mode. */
+extern int target_async_permitted;
-/* Can the target support asynchronous execution? */
+/* Can the target support asynchronous execution? */
#define target_can_async_p() (current_target.to_can_async_p ())
-/* Is the target in asynchronous execution mode? */
-#define target_is_async_p() (current_target.to_is_async_p())
+/* Is the target in asynchronous execution mode? */
+#define target_is_async_p() (current_target.to_is_async_p ())
-/* Put the target in async mode with the specified callback function. */
-#define target_async(CALLBACK,CONTEXT) \
- (current_target.to_async((CALLBACK), (CONTEXT)))
-
-/* This is to be used ONLY within call_function_by_hand(). It provides
- a workaround, to have inferior function calls done in sychronous
- mode, even though the target is asynchronous. After
- target_async_mask(0) is called, calls to target_can_async_p() will
- return FALSE , so that target_resume() will not try to start the
- target asynchronously. After the inferior stops, we IMMEDIATELY
- restore the previous nature of the target, by calling
- target_async_mask(1). After that, target_can_async_p() will return
- TRUE. ANY OTHER USE OF THIS FEATURE IS DEPRECATED.
+int target_supports_non_stop (void);
- FIXME ezannoni 1999-12-13: we won't need this once we move
- the turning async on and off to the single execution commands,
- from where it is done currently, in remote_resume(). */
-
-#define target_async_mask_value \
- (current_target.to_async_mask_value)
+/* Put the target in async mode with the specified callback function. */
+#define target_async(CALLBACK,CONTEXT) \
+ (current_target.to_async ((CALLBACK), (CONTEXT)))
-extern int target_async_mask (int mask);
+#define target_execution_direction() \
+ (current_target.to_execution_direction ())
/* Converts a process id to a string. Usually, the string just contains
`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_extra_thread_info(TP) \
(current_target.to_extra_thread_info (TP))
+/* Return the thread's name. A NULL result means that the target
+ could not determine this thread's name. */
+
+extern char *target_thread_name (struct thread_info *);
+
/* Attempts to find the pathname of the executable file
that was run to create a specified process.
#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) \
+/* Returns the number of debug registers needed to watch the given
+ memory region, or zero if not supported. */
+
+#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.
+ COND is the expression for its condition, or NULL if there's none.
+ Returns 0 for success, 1 if the watchpoint type is not supported,
+ -1 for failure. */
+
+#define target_insert_watchpoint(addr, len, type, cond) \
+ (*current_target.to_insert_watchpoint) (addr, len, type, cond)
+
+#define target_remove_watchpoint(addr, len, type, cond) \
+ (*current_target.to_remove_watchpoint) (addr, len, type, cond)
-#ifndef target_insert_watchpoint
-#define target_insert_watchpoint(addr, len, type) \
- (*current_target.to_insert_watchpoint) (addr, len, type)
+/* Insert a new masked watchpoint at ADDR using the mask MASK.
+ RW may be hw_read for a read watchpoint, hw_write for a write watchpoint
+ or hw_access for an access watchpoint. Returns 0 for success, 1 if
+ masked watchpoints are not supported, -1 for failure. */
-#define target_remove_watchpoint(addr, len, type) \
- (*current_target.to_remove_watchpoint) (addr, len, type)
-#endif
+extern int target_insert_mask_watchpoint (CORE_ADDR, CORE_ADDR, int);
-#ifndef target_insert_hw_breakpoint
-#define target_insert_hw_breakpoint(bp_tgt) \
- (*current_target.to_insert_hw_breakpoint) (bp_tgt)
+/* Remove a masked watchpoint at ADDR with the mask MASK.
+ RW may be hw_read for a read watchpoint, hw_write for a write watchpoint
+ or hw_access for an access watchpoint. Returns 0 for success, non-zero
+ for failure. */
-#define target_remove_hw_breakpoint(bp_tgt) \
- (*current_target.to_remove_hw_breakpoint) (bp_tgt)
-#endif
+extern int target_remove_mask_watchpoint (CORE_ADDR, CORE_ADDR, int);
-extern int target_stopped_data_address_p (struct target_ops *);
+#define target_insert_hw_breakpoint(gdbarch, bp_tgt) \
+ (*current_target.to_insert_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
+#define target_remove_hw_breakpoint(gdbarch, bp_tgt) \
+ (*current_target.to_remove_hw_breakpoint) (gdbarch, bp_tgt)
+
+/* Return number of debug registers needed for a ranged breakpoint,
+ or -1 if ranged breakpoints are not supported. */
+
+extern int target_ranged_break_num_registers (void);
+
+/* 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)
+
+/* Return non-zero if ADDR is within the range of a watchpoint spanning
+ LENGTH bytes beginning at START. */
+#define target_watchpoint_addr_within_range(target, addr, start, length) \
+ (*target.to_watchpoint_addr_within_range) (target, addr, start, length)
+
+/* Return non-zero if the target is capable of using hardware to evaluate
+ the condition expression. In this case, if the condition is false when
+ the watched memory location changes, execution may continue without the
+ debugger being notified.
+
+ Due to limitations in the hardware implementation, it may be capable of
+ avoiding triggering the watchpoint in some cases where the condition
+ expression is false, but may report some false positives as well.
+ For this reason, GDB will still evaluate the condition expression when
+ the watchpoint triggers. */
+#define target_can_accel_watchpoint_condition(addr, len, type, cond) \
+ (*current_target.to_can_accel_watchpoint_condition) (addr, len, type, cond)
+
+/* Return number of debug registers needed for a masked watchpoint,
+ -1 if masked watchpoints are not supported or -2 if the given address
+ and mask combination cannot be used. */
+
+extern int target_masked_watch_num_registers (CORE_ADDR addr, CORE_ADDR mask);
+
+/* 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 search_space_len,
+ const gdb_byte *pattern,
+ ULONGEST pattern_len,
+ CORE_ADDR *found_addrp);
+
+/* Main entry point for searching memory. */
+extern int target_search_memory (CORE_ADDR start_addr,
+ ULONGEST search_space_len,
+ const gdb_byte *pattern,
+ ULONGEST pattern_len,
+ CORE_ADDR *found_addrp);
+
+/* Target file operations. */
+
+/* Open FILENAME on the target, using FLAGS and MODE. Return a
+ target file descriptor, or -1 if an error occurs (and set
+ *TARGET_ERRNO). */
+extern int target_fileio_open (const char *filename, int flags, int mode,
+ int *target_errno);
+
+/* Write up to LEN bytes from WRITE_BUF to FD on the target.
+ Return the number of bytes written, or -1 if an error occurs
+ (and set *TARGET_ERRNO). */
+extern int target_fileio_pwrite (int fd, const gdb_byte *write_buf, int len,
+ ULONGEST offset, int *target_errno);
+
+/* Read up to LEN bytes FD on the target into READ_BUF.
+ Return the number of bytes read, or -1 if an error occurs
+ (and set *TARGET_ERRNO). */
+extern int target_fileio_pread (int fd, gdb_byte *read_buf, int len,
+ ULONGEST offset, int *target_errno);
+
+/* Close FD on the target. Return 0, or -1 if an error occurs
+ (and set *TARGET_ERRNO). */
+extern int target_fileio_close (int fd, int *target_errno);
+
+/* Unlink FILENAME on the target. Return 0, or -1 if an error
+ occurs (and set *TARGET_ERRNO). */
+extern int target_fileio_unlink (const char *filename, int *target_errno);
+
+/* Read value of symbolic link FILENAME on the target. Return a
+ null-terminated string allocated via xmalloc, or NULL if an error
+ occurs (and set *TARGET_ERRNO). */
+extern char *target_fileio_readlink (const char *filename, int *target_errno);
+
+/* Read target file FILENAME. The return value will be -1 if the transfer
+ fails or is not supported; 0 if the object is empty; or the length
+ of the object otherwise. If a positive value is returned, a
+ sufficiently large buffer will be allocated using xmalloc and
+ returned in *BUF_P containing the contents of the object.
+
+ This method should be used for objects sufficiently small to store
+ in a single xmalloc'd buffer, when no fixed bound on the object's
+ size is known in advance. */
+extern LONGEST target_fileio_read_alloc (const char *filename,
+ gdb_byte **buf_p);
+
+/* Read target file FILENAME. 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. A warning is issued
+ if the result contains any embedded NUL bytes. */
+extern char *target_fileio_read_stralloc (const char *filename);
+
+
+/* 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_can_download_tracepoint() \
+ (*current_target.to_can_download_tracepoint) ()
+
+#define target_download_trace_state_variable(tsv) \
+ (*current_target.to_download_trace_state_variable) (tsv)
+
+#define target_enable_tracepoint(loc) \
+ (*current_target.to_enable_tracepoint) (loc)
+
+#define target_disable_tracepoint(loc) \
+ (*current_target.to_disable_tracepoint) (loc)
+
+#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_get_tracepoint_status(tp,utp) \
+ (*current_target.to_get_tracepoint_status) (tp, utp)
+
+#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_get_min_fast_tracepoint_insn_len() \
+ (*current_target.to_get_min_fast_tracepoint_insn_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)
+
+#define target_set_trace_buffer_size(val) \
+ (*current_target.to_set_trace_buffer_size) (val)
+
+#define target_set_trace_notes(user,notes,stopnotes) \
+ (*current_target.to_set_trace_notes) ((user), (notes), (stopnotes))
+
+#define target_get_tib_address(ptid, addr) \
+ (*current_target.to_get_tib_address) ((ptid), (addr))
+
+#define target_set_permissions() \
+ (*current_target.to_set_permissions) ()
+
+#define target_static_tracepoint_marker_at(addr, marker) \
+ (*current_target.to_static_tracepoint_marker_at) (addr, marker)
+
+#define target_static_tracepoint_markers_by_strid(marker_id) \
+ (*current_target.to_static_tracepoint_markers_by_strid) (marker_id)
+
+#define target_traceframe_info() \
+ (*current_target.to_traceframe_info) ()
+
+#define target_use_agent(use) \
+ (*current_target.to_use_agent) (use)
+
+#define target_can_use_agent() \
+ (*current_target.to_can_use_agent) ()
+
+#define target_augmented_libraries_svr4_read() \
+ (*current_target.to_augmented_libraries_svr4_read) ()
+
/* 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);
+
+/* Verify that the memory in the [MEMADDR, MEMADDR+SIZE) range matches
+ the contents of [DATA,DATA+SIZE). Returns 1 if there's a match, 0
+ if there's a mismatch, and -1 if an error is encountered while
+ reading memory. Throws an error if the functionality is found not
+ to be supported by the current target. */
+int target_verify_memory (const gdb_byte *data,
+ CORE_ADDR memaddr, ULONGEST size);
+
/* Routines for maintenance of the target structures...
+ complete_target_initialization: Finalize a target_ops by filling in
+ any fields needed by the target implementation.
+
add_target: Add a target to the list of all possible targets.
push_target: Make this target the top of the stack of currently used
unpush_target: Remove this from the stack of currently used targets,
no matter where it is on the list. Returns 0 if no
- change, 1 if removed from stack.
-
- pop_target: Remove the top thing on the stack of current targets. */
+ change, 1 if removed from stack. */
extern void add_target (struct target_ops *);
-extern int push_target (struct target_ops *);
+extern void add_target_with_completer (struct target_ops *t,
+ completer_ftype *completer);
+
+extern void complete_target_initialization (struct target_ops *t);
+
+/* Adds a command ALIAS for target T and marks it deprecated. This is useful
+ for maintaining backwards compatibility when renaming targets. */
+
+extern void add_deprecated_target_alias (struct target_ops *t, char *alias);
+
+extern void push_target (struct target_ops *);
extern int unpush_target (struct target_ops *);
extern void target_preopen (int);
-extern void pop_target (void);
+/* Does whatever cleanup is required to get rid of all pushed targets. */
+extern void pop_all_targets (void);
-extern CORE_ADDR target_translate_tls_address (struct objfile *objfile,
- CORE_ADDR offset);
+/* Like pop_all_targets, but pops only targets whose stratum is
+ strictly above ABOVE_STRATUM. */
+extern void pop_all_targets_above (enum strata above_stratum);
-/* Mark a pushed target as running or exited, for targets which do not
- automatically pop when not active. */
+extern int target_is_pushed (struct target_ops *t);
-void target_mark_running (struct target_ops *);
-
-void target_mark_exited (struct target_ops *);
+extern CORE_ADDR target_translate_tls_address (struct objfile *objfile,
+ CORE_ADDR offset);
-/* 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 */
struct bfd_section *the_bfd_section;
- bfd *bfd; /* BFD file pointer */
+ /* The "owner" of the section.
+ It can be any unique value. It is set by add_target_sections
+ and used by remove_target_sections.
+ For example, for executables it is a pointer to exec_bfd and
+ for shlibs it is the so_list pointer. */
+ void *owner;
};
+/* 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 int default_memory_remove_breakpoint (struct gdbarch *,
+ struct bp_target_info *);
-extern int default_memory_insert_breakpoint (struct gdbarch *, struct bp_target_info *);
+extern int default_memory_insert_breakpoint (struct gdbarch *,
+ struct bp_target_info *);
/* From target.c */
extern void initialize_targets (void);
-extern void noprocess (void);
+extern void noprocess (void) ATTRIBUTE_NORETURN;
extern void target_require_runnable (void);
-extern void find_default_attach (char *, int);
-
-extern void find_default_create_inferior (char *, char *, char **, int);
+extern void find_default_attach (struct target_ops *, char *, int);
-extern struct target_ops *find_run_target (void);
-
-extern struct target_ops *find_core_target (void);
+extern void find_default_create_inferior (struct target_ops *,
+ char *, char *, char **, int);
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. */
/* Speed in bits per second, or -1 which means don't mess with the speed. */
extern int baud_rate;
-/* Timeout limit for response from target. */
+/* Timeout limit for response from target. */
extern int remote_timeout;
\f
-/* Functions for helping to write a native target. */
-
-/* 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);
-
-/* Convert from a number used in a GDB command to an enum target_signal. */
-extern enum target_signal target_signal_from_command (int);
-
-/* Any target can call this to switch to remote protocol (in remote.c). */
-extern void push_remote_target (char *name, int from_tty);
+
+/* Set the show memory breakpoints mode to show, and installs a cleanup
+ to restore it back to the current value. */
+extern struct cleanup *make_show_memory_breakpoints_cleanup (int show);
+
+extern int may_write_registers;
+extern int may_write_memory;
+extern int may_insert_breakpoints;
+extern int may_insert_tracepoints;
+extern int may_insert_fast_tracepoints;
+extern int may_stop;
+
+extern void update_target_permissions (void);
+
\f
-/* Imported from machine dependent code */
+/* Imported from machine dependent code. */
-/* Blank target vector entries are initialized to target_ignore. */
+/* Blank target vector entries are initialized to target_ignore. */
void target_ignore (void);
-extern struct target_ops deprecated_child_ops;
+/* See to_supports_btrace in struct target_ops. */
+extern int target_supports_btrace (void);
+
+/* See to_enable_btrace in struct target_ops. */
+extern struct btrace_target_info *target_enable_btrace (ptid_t ptid);
+
+/* See to_disable_btrace in struct target_ops. */
+extern void target_disable_btrace (struct btrace_target_info *btinfo);
+
+/* See to_teardown_btrace in struct target_ops. */
+extern void target_teardown_btrace (struct btrace_target_info *btinfo);
+
+/* See to_read_btrace in struct target_ops. */
+extern VEC (btrace_block_s) *target_read_btrace (struct btrace_target_info *,
+ enum btrace_read_type);
+
+/* See to_stop_recording in struct target_ops. */
+extern void target_stop_recording (void);
+
+/* See to_info_record in struct target_ops. */
+extern void target_info_record (void);
+
+/* See to_save_record in struct target_ops. */
+extern void target_save_record (const char *filename);
+
+/* Query if the target supports deleting the execution log. */
+extern int target_supports_delete_record (void);
+
+/* See to_delete_record in struct target_ops. */
+extern void target_delete_record (void);
+
+/* See to_record_is_replaying in struct target_ops. */
+extern int target_record_is_replaying (void);
+
+/* See to_goto_record_begin in struct target_ops. */
+extern void target_goto_record_begin (void);
+
+/* See to_goto_record_end in struct target_ops. */
+extern void target_goto_record_end (void);
+
+/* See to_goto_record in struct target_ops. */
+extern void target_goto_record (ULONGEST insn);
+
+/* See to_insn_history. */
+extern void target_insn_history (int size, int flags);
+
+/* See to_insn_history_from. */
+extern void target_insn_history_from (ULONGEST from, int size, int flags);
+
+/* See to_insn_history_range. */
+extern void target_insn_history_range (ULONGEST begin, ULONGEST end, int flags);
+
+/* See to_call_history. */
+extern void target_call_history (int size, int flags);
+
+/* See to_call_history_from. */
+extern void target_call_history_from (ULONGEST begin, int size, int flags);
+
+/* See to_call_history_range. */
+extern void target_call_history_range (ULONGEST begin, ULONGEST end, int flags);
#endif /* !defined (TARGET_H) */