/* 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, 2009, 2010, 2011
- 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 uploaded_tsv;
struct uploaded_tp;
struct static_tracepoint_marker;
-
+struct traceframe_info;
struct expression;
/* This include file defines the interface between the main part
#include "memattr.h"
#include "vec.h"
#include "gdb_signals.h"
+#include "btrace.h"
+#include "command.h"
enum strata
{
/* 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 */
+ The syscall's unique integer ID number is in value.syscall_id. */
TARGET_WAITKIND_SYSCALL_ENTRY,
TARGET_WAITKIND_SYSCALL_RETURN,
/* 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
+ 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,
+ function. sThis way the event loop is responsive to other events,
like for instance the user typing. */
TARGET_WAITKIND_IGNORE,
/* The target has run out of history information,
and cannot run backward any further. */
- TARGET_WAITKIND_NO_HISTORY
+ TARGET_WAITKIND_NO_HISTORY,
+
+ /* There are no resumed children left in the program. */
+ TARGET_WAITKIND_NO_RESUMED
};
struct target_waitstatus
union
{
int integer;
- enum target_signal sig;
+ enum gdb_signal sig;
ptid_t related_pid;
char *execd_pathname;
int syscall_number;
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
};
TARGET_OBJECT_AVAILABLE_FEATURES,
/* Currently loaded libraries, in XML format. */
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_THREADS,
/* Collected static trace data. */
TARGET_OBJECT_STATIC_TRACE_DATA,
- /* Possible future objects: TARGET_OBJECT_FILE, ... */
+ /* 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, ... */
};
/* Enumeration of the kinds of traceframe searches that a target may
struct memory_read_result
{
- /* First address that was read. */
+ /* First address that was read. */
ULONGEST begin;
/* Past-the-end address. */
ULONGEST end;
/* 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_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) (struct target_ops *ops, char *, int);
void (*to_disconnect) (struct target_ops *, char *, int);
- void (*to_resume) (struct target_ops *, ptid_t, int, enum target_signal);
+ 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);
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_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 *);
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_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) (struct target_ops *,
char *, char *, char **, int);
void (*to_post_startup_inferior) (ptid_t);
int (*to_has_exited) (int, int, int *);
void (*to_mourn_inferior) (struct target_ops *);
int (*to_can_run) (void);
- void (*to_notice_signals) (ptid_t ptid);
+
+ /* 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 *);
+ 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);
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_execution) (struct target_ops *, ptid_t);
int to_has_thread_control; /* control thread execution */
int to_attach_no_wait;
/* 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) (find_memory_region_ftype func, void *data);
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.
/* 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
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.
+ ptrace operations need to operate according to target_gdbarch ().
- The default implementation always returns 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.
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 to the target. */
- void (*to_download_tracepoint) (struct breakpoint *t);
+ /* 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. */
/* 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
+ 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);
+ 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
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:
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. 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);
+
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
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. */
-extern void target_resume (ptid_t ptid, int step, enum target_signal signal);
+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;
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) ()
+
/* 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_memory (CORE_ADDR memaddr, gdb_byte *myaddr,
+ ssize_t len);
-extern int target_read_stack (CORE_ADDR memaddr, gdb_byte *myaddr, int 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 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 (ptid_t pid, ptid_t *child_pid);
-
-extern int inferior_has_vforked (ptid_t pid, ptid_t *child_pid);
-
-extern int inferior_has_execd (ptid_t pid, char **execd_pathname);
-
-extern int inferior_has_called_syscall (ptid_t pid, int *syscall_number);
-
/* Print a line about the current target. */
#define target_files_info() \
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.
#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);
+
+/* Set list of signals the target may pass to the inferior. This
+ directly maps to the "handle SIGNAL pass/nopass" setting.
-#define target_notice_signals(ptid) \
- (*current_target.to_notice_signals) (ptid)
+ 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. */
case this will become true after target_create_inferior or
target_attach. */
-extern int target_has_execution_1 (void);
-#define target_has_execution target_has_execution_1 ()
+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_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);
+extern int default_child_has_execution (struct target_ops *ops,
+ ptid_t the_ptid);
/* Can the target support the debugger control of thread execution?
Can it lock the thread scheduler? */
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? */
+/* Is the target in asynchronous execution mode? */
#define target_is_async_p() (current_target.to_is_async_p ())
int target_supports_non_stop (void);
-/* Put the target in async mode with the specified callback function. */
+/* 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.
-
- 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(MASK) \
- (current_target.to_async_mask (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
#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_can_use_hardware_watchpoint(TYPE,CNT,OTHERTYPE) \
(*current_target.to_can_use_hw_breakpoint) (TYPE, CNT, OTHERTYPE);
+/* 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)
#define target_remove_watchpoint(addr, len, type, cond) \
(*current_target.to_remove_watchpoint) (addr, len, type, cond)
+/* 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. */
+
+extern int target_insert_mask_watchpoint (CORE_ADDR, CORE_ADDR, int);
+
+/* 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. */
+
+extern int target_remove_mask_watchpoint (CORE_ADDR, CORE_ADDR, int);
+
#define target_insert_hw_breakpoint(gdbarch, bp_tgt) \
(*current_target.to_insert_hw_breakpoint) (gdbarch, bp_tgt)
#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)
#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 ? \
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() \
#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_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_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_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) ()
+
/* Command logging facility. */
#define target_log_command(p) \
extern void add_target (struct target_ops *);
+extern void add_target_with_completer (struct target_ops *t,
+ completer_ftype *completer);
+
+/* 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 pop_target (void);
-/* Does whatever cleanup is required to get rid of all pushed targets.
- QUITTING is propagated to target_close; it 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). */
-extern void pop_all_targets (int quitting);
+/* Does whatever cleanup is required to get rid of all pushed targets. */
+extern void pop_all_targets (void);
/* 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, int quitting);
+extern void pop_all_targets_above (enum strata above_stratum);
extern int target_is_pushed (struct target_ops *t);
struct bfd_section *the_bfd_section;
+ /* A given BFD may appear multiple times in the target section
+ list, so each BFD is associated with a given key. The key is
+ just some convenient pointer that can be used to differentiate
+ the BFDs. These are managed only by convention. */
+ void *key;
+
bfd *bfd; /* BFD file pointer */
};
/* 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);
-
-/* 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 *,
- 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);
-/* 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. */
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) */
projects / deliverable / binutils-gdb.git / blobdiff