Copyright 1990, 91, 92, 93, 94, 1999 Free Software Foundation, Inc.
Contributed by Cygnus Support. Written by John Gilmore.
-This file is part of GDB.
+ This file is part of GDB.
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
#if !defined (TARGET_H)
#define TARGET_H
#include "bfd.h"
#include "symtab.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 */
-};
+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 */
+ };
-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. */
-};
+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 program has exited. The exit status is in value.integer. */
- TARGET_WAITKIND_EXITED,
+enum target_waitkind
+ {
+ /* The program has exited. The exit status is in value.integer. */
+ TARGET_WAITKIND_EXITED,
- /* The program has stopped with a signal. Which signal is in value.sig. */
- TARGET_WAITKIND_STOPPED,
+ /* The program has 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 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 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.
+ /* 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,
+ TARGET_WAITKIND_FORKED,
- /* The program has vforked. A "related" process's ID is in value.related_pid.
+ /* The program has vforked. A "related" process's ID is in value.related_pid.
*/
- TARGET_WAITKIND_VFORKED,
+ TARGET_WAITKIND_VFORKED,
- /* The program has exec'ed a new executable file. The new file's pathname
- is pointed to by value.execd_pathname.
+ /* The program has exec'ed a new executable file. The new file's pathname
+ is pointed to by value.execd_pathname.
*/
- TARGET_WAITKIND_EXECD,
+ 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;
+ /* 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,
+ 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
+ /* 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
};
/* The numbering of these signals is chosen to match traditional unix
signals (insofar as various unices use the same numbers, anyway).
It is also the numbering of the GDB remote protocol. Other remote
protocols, if they use a different numbering, should make sure to
- translate appropriately. */
+ translate appropriately.
-/* This is based strongly on Unix/POSIX signals for several reasons:
+ Since these numbers have actually made it out into other software
+ (stubs, etc.), you mustn't disturb the assigned numbering. If you
+ need to add new signals here, add them to the end of the explicitly
+ numbered signals.
+
+ This is based strongly on Unix/POSIX signals for several reasons:
(1) This set of signals represents a widely-accepted attempt to
represent events of this sort in a portable fashion, (2) we want a
signal to make it from wait to child_wait to the user intact, (3) many
/* For an explanation of what each signal means, see
target_signal_to_string. */
-enum target_signal {
- /* Used some places (e.g. stop_signal) to record the concept that
- there is no signal. */
- TARGET_SIGNAL_0 = 0,
- TARGET_SIGNAL_FIRST = 0,
- TARGET_SIGNAL_HUP = 1,
- TARGET_SIGNAL_INT = 2,
- TARGET_SIGNAL_QUIT = 3,
- TARGET_SIGNAL_ILL = 4,
- TARGET_SIGNAL_TRAP = 5,
- TARGET_SIGNAL_ABRT = 6,
- TARGET_SIGNAL_EMT = 7,
- TARGET_SIGNAL_FPE = 8,
- TARGET_SIGNAL_KILL = 9,
- TARGET_SIGNAL_BUS = 10,
- TARGET_SIGNAL_SEGV = 11,
- TARGET_SIGNAL_SYS = 12,
- TARGET_SIGNAL_PIPE = 13,
- TARGET_SIGNAL_ALRM = 14,
- TARGET_SIGNAL_TERM = 15,
- TARGET_SIGNAL_URG = 16,
- TARGET_SIGNAL_STOP = 17,
- TARGET_SIGNAL_TSTP = 18,
- TARGET_SIGNAL_CONT = 19,
- TARGET_SIGNAL_CHLD = 20,
- TARGET_SIGNAL_TTIN = 21,
- TARGET_SIGNAL_TTOU = 22,
- TARGET_SIGNAL_IO = 23,
- TARGET_SIGNAL_XCPU = 24,
- TARGET_SIGNAL_XFSZ = 25,
- TARGET_SIGNAL_VTALRM = 26,
- TARGET_SIGNAL_PROF = 27,
- TARGET_SIGNAL_WINCH = 28,
- TARGET_SIGNAL_LOST = 29,
- TARGET_SIGNAL_USR1 = 30,
- TARGET_SIGNAL_USR2 = 31,
- TARGET_SIGNAL_PWR = 32,
- /* Similar to SIGIO. Perhaps they should have the same number. */
- TARGET_SIGNAL_POLL = 33,
- TARGET_SIGNAL_WIND = 34,
- TARGET_SIGNAL_PHONE = 35,
- TARGET_SIGNAL_WAITING = 36,
- TARGET_SIGNAL_LWP = 37,
- TARGET_SIGNAL_DANGER = 38,
- TARGET_SIGNAL_GRANT = 39,
- TARGET_SIGNAL_RETRACT = 40,
- TARGET_SIGNAL_MSG = 41,
- TARGET_SIGNAL_SOUND = 42,
- TARGET_SIGNAL_SAK = 43,
- TARGET_SIGNAL_PRIO = 44,
- TARGET_SIGNAL_REALTIME_33 = 45,
- TARGET_SIGNAL_REALTIME_34 = 46,
- TARGET_SIGNAL_REALTIME_35 = 47,
- TARGET_SIGNAL_REALTIME_36 = 48,
- TARGET_SIGNAL_REALTIME_37 = 49,
- TARGET_SIGNAL_REALTIME_38 = 50,
- TARGET_SIGNAL_REALTIME_39 = 51,
- TARGET_SIGNAL_REALTIME_40 = 52,
- TARGET_SIGNAL_REALTIME_41 = 53,
- TARGET_SIGNAL_REALTIME_42 = 54,
- TARGET_SIGNAL_REALTIME_43 = 55,
- TARGET_SIGNAL_REALTIME_44 = 56,
- TARGET_SIGNAL_REALTIME_45 = 57,
- TARGET_SIGNAL_REALTIME_46 = 58,
- TARGET_SIGNAL_REALTIME_47 = 59,
- TARGET_SIGNAL_REALTIME_48 = 60,
- TARGET_SIGNAL_REALTIME_49 = 61,
- TARGET_SIGNAL_REALTIME_50 = 62,
- TARGET_SIGNAL_REALTIME_51 = 63,
- TARGET_SIGNAL_REALTIME_52 = 64,
- TARGET_SIGNAL_REALTIME_53 = 65,
- TARGET_SIGNAL_REALTIME_54 = 66,
- TARGET_SIGNAL_REALTIME_55 = 67,
- TARGET_SIGNAL_REALTIME_56 = 68,
- TARGET_SIGNAL_REALTIME_57 = 69,
- TARGET_SIGNAL_REALTIME_58 = 70,
- TARGET_SIGNAL_REALTIME_59 = 71,
- TARGET_SIGNAL_REALTIME_60 = 72,
- TARGET_SIGNAL_REALTIME_61 = 73,
- TARGET_SIGNAL_REALTIME_62 = 74,
- TARGET_SIGNAL_REALTIME_63 = 75,
+enum target_signal
+ {
+ /* Used some places (e.g. stop_signal) to record the concept that
+ there is no signal. */
+ TARGET_SIGNAL_0 = 0,
+ TARGET_SIGNAL_FIRST = 0,
+ TARGET_SIGNAL_HUP = 1,
+ TARGET_SIGNAL_INT = 2,
+ TARGET_SIGNAL_QUIT = 3,
+ TARGET_SIGNAL_ILL = 4,
+ TARGET_SIGNAL_TRAP = 5,
+ TARGET_SIGNAL_ABRT = 6,
+ TARGET_SIGNAL_EMT = 7,
+ TARGET_SIGNAL_FPE = 8,
+ TARGET_SIGNAL_KILL = 9,
+ TARGET_SIGNAL_BUS = 10,
+ TARGET_SIGNAL_SEGV = 11,
+ TARGET_SIGNAL_SYS = 12,
+ TARGET_SIGNAL_PIPE = 13,
+ TARGET_SIGNAL_ALRM = 14,
+ TARGET_SIGNAL_TERM = 15,
+ TARGET_SIGNAL_URG = 16,
+ TARGET_SIGNAL_STOP = 17,
+ TARGET_SIGNAL_TSTP = 18,
+ TARGET_SIGNAL_CONT = 19,
+ TARGET_SIGNAL_CHLD = 20,
+ TARGET_SIGNAL_TTIN = 21,
+ TARGET_SIGNAL_TTOU = 22,
+ TARGET_SIGNAL_IO = 23,
+ TARGET_SIGNAL_XCPU = 24,
+ TARGET_SIGNAL_XFSZ = 25,
+ TARGET_SIGNAL_VTALRM = 26,
+ TARGET_SIGNAL_PROF = 27,
+ TARGET_SIGNAL_WINCH = 28,
+ TARGET_SIGNAL_LOST = 29,
+ TARGET_SIGNAL_USR1 = 30,
+ TARGET_SIGNAL_USR2 = 31,
+ TARGET_SIGNAL_PWR = 32,
+ /* Similar to SIGIO. Perhaps they should have the same number. */
+ TARGET_SIGNAL_POLL = 33,
+ TARGET_SIGNAL_WIND = 34,
+ TARGET_SIGNAL_PHONE = 35,
+ TARGET_SIGNAL_WAITING = 36,
+ TARGET_SIGNAL_LWP = 37,
+ TARGET_SIGNAL_DANGER = 38,
+ TARGET_SIGNAL_GRANT = 39,
+ TARGET_SIGNAL_RETRACT = 40,
+ TARGET_SIGNAL_MSG = 41,
+ TARGET_SIGNAL_SOUND = 42,
+ TARGET_SIGNAL_SAK = 43,
+ TARGET_SIGNAL_PRIO = 44,
+ TARGET_SIGNAL_REALTIME_33 = 45,
+ TARGET_SIGNAL_REALTIME_34 = 46,
+ TARGET_SIGNAL_REALTIME_35 = 47,
+ TARGET_SIGNAL_REALTIME_36 = 48,
+ TARGET_SIGNAL_REALTIME_37 = 49,
+ TARGET_SIGNAL_REALTIME_38 = 50,
+ TARGET_SIGNAL_REALTIME_39 = 51,
+ TARGET_SIGNAL_REALTIME_40 = 52,
+ TARGET_SIGNAL_REALTIME_41 = 53,
+ TARGET_SIGNAL_REALTIME_42 = 54,
+ TARGET_SIGNAL_REALTIME_43 = 55,
+ TARGET_SIGNAL_REALTIME_44 = 56,
+ TARGET_SIGNAL_REALTIME_45 = 57,
+ TARGET_SIGNAL_REALTIME_46 = 58,
+ TARGET_SIGNAL_REALTIME_47 = 59,
+ TARGET_SIGNAL_REALTIME_48 = 60,
+ TARGET_SIGNAL_REALTIME_49 = 61,
+ TARGET_SIGNAL_REALTIME_50 = 62,
+ TARGET_SIGNAL_REALTIME_51 = 63,
+ TARGET_SIGNAL_REALTIME_52 = 64,
+ TARGET_SIGNAL_REALTIME_53 = 65,
+ TARGET_SIGNAL_REALTIME_54 = 66,
+ TARGET_SIGNAL_REALTIME_55 = 67,
+ TARGET_SIGNAL_REALTIME_56 = 68,
+ TARGET_SIGNAL_REALTIME_57 = 69,
+ TARGET_SIGNAL_REALTIME_58 = 70,
+ TARGET_SIGNAL_REALTIME_59 = 71,
+ TARGET_SIGNAL_REALTIME_60 = 72,
+ TARGET_SIGNAL_REALTIME_61 = 73,
+ TARGET_SIGNAL_REALTIME_62 = 74,
+ TARGET_SIGNAL_REALTIME_63 = 75,
+
+ /* Used internally by Solaris threads. See signal(5) on Solaris. */
+ TARGET_SIGNAL_CANCEL = 76,
+
+ /* Yes, this pains me, too. But LynxOS didn't have SIG32, and now
+ Linux does, and we can't disturb the numbering, since it's part
+ of the protocol. Note that in some GDB's TARGET_SIGNAL_REALTIME_32
+ is number 76. */
+ TARGET_SIGNAL_REALTIME_32,
+
#if defined(MACH) || defined(__MACH__)
- /* Mach exceptions */
- TARGET_EXC_BAD_ACCESS,
- TARGET_EXC_BAD_INSTRUCTION,
- TARGET_EXC_ARITHMETIC,
- TARGET_EXC_EMULATION,
- TARGET_EXC_SOFTWARE,
- TARGET_EXC_BREAKPOINT,
+ /* Mach exceptions */
+ TARGET_EXC_BAD_ACCESS,
+ TARGET_EXC_BAD_INSTRUCTION,
+ TARGET_EXC_ARITHMETIC,
+ TARGET_EXC_EMULATION,
+ TARGET_EXC_SOFTWARE,
+ TARGET_EXC_BREAKPOINT,
#endif
- TARGET_SIGNAL_INFO,
+ TARGET_SIGNAL_INFO,
- /* Some signal we don't know about. */
- TARGET_SIGNAL_UNKNOWN,
+ /* Some signal we don't know about. */
+ TARGET_SIGNAL_UNKNOWN,
- /* Use whatever signal we use when one is not specifically specified
- (for passing to proceed and so on). */
- TARGET_SIGNAL_DEFAULT,
+ /* Use whatever signal we use when one is not specifically specified
+ (for passing to proceed and so on). */
+ TARGET_SIGNAL_DEFAULT,
- /* Last and unused enum value, for sizing arrays, etc. */
- TARGET_SIGNAL_LAST
-};
-
-struct target_waitstatus {
- enum target_waitkind kind;
+ /* Last and unused enum value, for sizing arrays, etc. */
+ TARGET_SIGNAL_LAST
+ };
- /* 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;
-};
+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 the string for a signal. */
extern char *target_signal_to_string PARAMS ((enum target_signal));
/* Given a name (SIGHUP, etc.), return its signal. */
enum target_signal target_signal_from_name PARAMS ((char *));
-
\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
extern int (*target_activity_function) PARAMS ((void));
\f
struct target_ops
-{
- char *to_shortname; /* Name this target type */
- char *to_longname; /* Name for printing */
- char *to_doc; /* Documentation. Does not include trailing
+ {
+ char *to_shortname; /* Name this target type */
+ char *to_longname; /* Name for printing */
+ char *to_doc; /* Documentation. Does not include trailing
newline, and starts with a one-line descrip-
tion (probably similar to to_longname). */
- void (*to_open) PARAMS ((char *, int));
- void (*to_close) PARAMS ((int));
- void (*to_attach) PARAMS ((char *, int));
- void (*to_post_attach) PARAMS ((int));
- void (*to_require_attach) PARAMS ((char *, int));
- void (*to_detach) PARAMS ((char *, int));
- void (*to_require_detach) PARAMS ((int, char *, int));
- void (*to_resume) PARAMS ((int, int, enum target_signal));
- int (*to_wait) PARAMS ((int, struct target_waitstatus *));
- void (*to_post_wait) PARAMS ((int, int));
- void (*to_fetch_registers) PARAMS ((int));
- void (*to_store_registers) PARAMS ((int));
- void (*to_prepare_to_store) PARAMS ((void));
-
- /* Transfer LEN bytes of memory between GDB address MYADDR and
- target address MEMADDR. If WRITE, transfer them to the target, else
- transfer them from the target. TARGET is the target from which we
- get this function.
-
- Return value, N, is one of the following:
-
- 0 means that we can't handle this. If errno has been set, it is the
- error which prevented us from doing it (FIXME: What about bfd_error?).
-
- positive (call it N) means that we have transferred N bytes
- starting at MEMADDR. We might be able to handle more bytes
- beyond this length, but no promises.
-
- negative (call its absolute value N) means that we cannot
- transfer right at MEMADDR, but we could transfer at least
- something at MEMADDR + N. */
-
- int (*to_xfer_memory) PARAMS ((CORE_ADDR memaddr, char *myaddr,
- int len, int write,
- struct target_ops * target));
+ void (*to_open) PARAMS ((char *, int));
+ void (*to_close) PARAMS ((int));
+ void (*to_attach) PARAMS ((char *, int));
+ void (*to_post_attach) PARAMS ((int));
+ void (*to_require_attach) PARAMS ((char *, int));
+ void (*to_detach) PARAMS ((char *, int));
+ void (*to_require_detach) PARAMS ((int, char *, int));
+ void (*to_resume) PARAMS ((int, int, enum target_signal));
+ int (*to_wait) PARAMS ((int, struct target_waitstatus *));
+ void (*to_post_wait) PARAMS ((int, int));
+ void (*to_fetch_registers) PARAMS ((int));
+ void (*to_store_registers) PARAMS ((int));
+ void (*to_prepare_to_store) PARAMS ((void));
+
+ /* Transfer LEN bytes of memory between GDB address MYADDR and
+ target address MEMADDR. If WRITE, transfer them to the target, else
+ transfer them from the target. TARGET is the target from which we
+ get this function.
+
+ Return value, N, is one of the following:
+
+ 0 means that we can't handle this. If errno has been set, it is the
+ error which prevented us from doing it (FIXME: What about bfd_error?).
+
+ positive (call it N) means that we have transferred N bytes
+ starting at MEMADDR. We might be able to handle more bytes
+ beyond this length, but no promises.
+
+ negative (call its absolute value N) means that we cannot
+ transfer right at MEMADDR, but we could transfer at least
+ something at MEMADDR + N. */
+
+ int (*to_xfer_memory) PARAMS ((CORE_ADDR memaddr, char *myaddr,
+ int len, int write,
+ struct target_ops * target));
#if 0
- /* Enable this after 4.12. */
+ /* Enable this after 4.12. */
- /* Search target memory. Start at STARTADDR and take LEN bytes of
- target memory, and them with MASK, and compare to DATA. If they
- match, set *ADDR_FOUND to the address we found it at, store the data
- we found at LEN bytes starting at DATA_FOUND, and return. If
- not, add INCREMENT to the search address and keep trying until
- the search address is outside of the range [LORANGE,HIRANGE).
+ /* Search target memory. Start at STARTADDR and take LEN bytes of
+ target memory, and them with MASK, and compare to DATA. If they
+ match, set *ADDR_FOUND to the address we found it at, store the data
+ we found at LEN bytes starting at DATA_FOUND, and return. If
+ not, add INCREMENT to the search address and keep trying until
+ the search address is outside of the range [LORANGE,HIRANGE).
- If we don't find anything, set *ADDR_FOUND to (CORE_ADDR)0 and return. */
- void (*to_search) PARAMS ((int len, char *data, char *mask,
- CORE_ADDR startaddr, int increment,
- CORE_ADDR lorange, CORE_ADDR hirange,
- CORE_ADDR *addr_found, char *data_found));
+ If we don't find anything, set *ADDR_FOUND to (CORE_ADDR)0 and return. */
+ void (*to_search) PARAMS ((int len, char *data, char *mask,
+ CORE_ADDR startaddr, int increment,
+ CORE_ADDR lorange, CORE_ADDR hirange,
+ CORE_ADDR * addr_found, char *data_found));
#define target_search(len, data, mask, startaddr, increment, lorange, hirange, addr_found, data_found) \
(*current_target.to_search) (len, data, mask, startaddr, increment, \
lorange, hirange, addr_found, data_found)
-#endif /* 0 */
-
- void (*to_files_info) PARAMS ((struct target_ops *));
- int (*to_insert_breakpoint) PARAMS ((CORE_ADDR, char *));
- int (*to_remove_breakpoint) PARAMS ((CORE_ADDR, char *));
- void (*to_terminal_init) PARAMS ((void));
- void (*to_terminal_inferior) PARAMS ((void));
- void (*to_terminal_ours_for_output) PARAMS ((void));
- void (*to_terminal_ours) PARAMS ((void));
- void (*to_terminal_info) PARAMS ((char *, int));
- void (*to_kill) PARAMS ((void));
- void (*to_load) PARAMS ((char *, int));
- int (*to_lookup_symbol) PARAMS ((char *, CORE_ADDR *));
- void (*to_create_inferior) PARAMS ((char *, char *, char **));
- void (*to_post_startup_inferior) PARAMS ((int));
- void (*to_acknowledge_created_inferior) PARAMS ((int));
- void (*to_clone_and_follow_inferior) PARAMS ((int, int *));
- void (*to_post_follow_inferior_by_clone) PARAMS ((void));
- int (*to_insert_fork_catchpoint) PARAMS ((int));
- int (*to_remove_fork_catchpoint) PARAMS ((int));
- int (*to_insert_vfork_catchpoint) PARAMS ((int));
- int (*to_remove_vfork_catchpoint) PARAMS ((int));
- int (*to_has_forked) PARAMS ((int, int *));
- int (*to_has_vforked) PARAMS ((int, int *));
- int (*to_can_follow_vfork_prior_to_exec) PARAMS ((void));
- void (*to_post_follow_vfork) PARAMS ((int, int, int, int));
- int (*to_insert_exec_catchpoint) PARAMS ((int));
- int (*to_remove_exec_catchpoint) PARAMS ((int));
- int (*to_has_execd) PARAMS ((int, char **));
- int (*to_reported_exec_events_per_exec_call) PARAMS ((void));
- int (*to_has_syscall_event) PARAMS ((int, enum target_waitkind *, int *));
- int (*to_has_exited) PARAMS ((int, int, int *));
- void (*to_mourn_inferior) PARAMS ((void));
- int (*to_can_run) PARAMS ((void));
- void (*to_notice_signals) PARAMS ((int pid));
- int (*to_thread_alive) PARAMS ((int pid));
- void (*to_stop) PARAMS ((void));
- int (*to_query) PARAMS ((int/*char*/, char *, char *, int *));
- struct symtab_and_line * (*to_enable_exception_callback) PARAMS ((enum exception_event_kind, int));
- struct exception_event_record * (*to_get_current_exception_event) PARAMS ((void));
- char * (*to_pid_to_exec_file) PARAMS ((int pid));
- char * (*to_core_file_to_sym_file) PARAMS ((char *));
- enum strata to_stratum;
- struct target_ops
- *DONT_USE; /* formerly to_next */
- int to_has_all_memory;
- int to_has_memory;
- int to_has_stack;
- int to_has_registers;
- int to_has_execution;
- int to_has_thread_control; /* control thread execution */
- struct section_table
- *to_sections;
- struct section_table
- *to_sections_end;
- int to_magic;
- /* Need sub-structure for target machine related rather than comm related? */
-};
+#endif /* 0 */
+
+ void (*to_files_info) PARAMS ((struct target_ops *));
+ int (*to_insert_breakpoint) PARAMS ((CORE_ADDR, char *));
+ int (*to_remove_breakpoint) PARAMS ((CORE_ADDR, char *));
+ void (*to_terminal_init) PARAMS ((void));
+ void (*to_terminal_inferior) PARAMS ((void));
+ void (*to_terminal_ours_for_output) PARAMS ((void));
+ void (*to_terminal_ours) PARAMS ((void));
+ void (*to_terminal_info) PARAMS ((char *, int));
+ void (*to_kill) PARAMS ((void));
+ void (*to_load) PARAMS ((char *, int));
+ int (*to_lookup_symbol) PARAMS ((char *, CORE_ADDR *));
+ void (*to_create_inferior) PARAMS ((char *, char *, char **));
+ void (*to_post_startup_inferior) PARAMS ((int));
+ void (*to_acknowledge_created_inferior) PARAMS ((int));
+ void (*to_clone_and_follow_inferior) PARAMS ((int, int *));
+ void (*to_post_follow_inferior_by_clone) PARAMS ((void));
+ int (*to_insert_fork_catchpoint) PARAMS ((int));
+ int (*to_remove_fork_catchpoint) PARAMS ((int));
+ int (*to_insert_vfork_catchpoint) PARAMS ((int));
+ int (*to_remove_vfork_catchpoint) PARAMS ((int));
+ int (*to_has_forked) PARAMS ((int, int *));
+ int (*to_has_vforked) PARAMS ((int, int *));
+ int (*to_can_follow_vfork_prior_to_exec) PARAMS ((void));
+ void (*to_post_follow_vfork) PARAMS ((int, int, int, int));
+ int (*to_insert_exec_catchpoint) PARAMS ((int));
+ int (*to_remove_exec_catchpoint) PARAMS ((int));
+ int (*to_has_execd) PARAMS ((int, char **));
+ int (*to_reported_exec_events_per_exec_call) PARAMS ((void));
+ int (*to_has_syscall_event) PARAMS ((int, enum target_waitkind *, int *));
+ int (*to_has_exited) PARAMS ((int, int, int *));
+ void (*to_mourn_inferior) PARAMS ((void));
+ int (*to_can_run) PARAMS ((void));
+ void (*to_notice_signals) PARAMS ((int pid));
+ int (*to_thread_alive) PARAMS ((int pid));
+ void (*to_find_new_threads) PARAMS ((void));
+ void (*to_stop) PARAMS ((void));
+ int (*to_query) PARAMS ((int /*char */ , char *, char *, int *));
+ void (*to_rcmd) (char *command, struct gdb_file *output);
+ struct symtab_and_line *(*to_enable_exception_callback) PARAMS ((enum exception_event_kind, int));
+ struct exception_event_record *(*to_get_current_exception_event) PARAMS ((void));
+ char *(*to_pid_to_exec_file) PARAMS ((int pid));
+ char *(*to_core_file_to_sym_file) PARAMS ((char *));
+ enum strata to_stratum;
+ struct target_ops
+ *DONT_USE; /* formerly to_next */
+ int to_has_all_memory;
+ int to_has_memory;
+ int to_has_stack;
+ int to_has_registers;
+ int to_has_execution;
+ int to_has_thread_control; /* control thread execution */
+ struct section_table
+ *to_sections;
+ struct section_table
+ *to_sections_end;
+ /* ASYNC target controls */
+ int (*to_can_async_p) (void);
+ int (*to_is_async_p) (void);
+ void (*to_async) (void (*cb) (int error, void *context, int fd), void *context);
+ int to_magic;
+ /* Need sub-structure for target machine related rather than comm related? */
+ };
/* Magic number for checking ops size. If a struct doesn't end with this
number, somebody changed the declaration but didn't change all the
/* The ops structure for our "current" target process. This should
never be NULL. If there is no target, it points to the dummy_target. */
-extern struct target_ops current_target;
+extern struct target_ops current_target;
/* An item on the target stack. */
struct target_stack_item
-{
- struct target_stack_item *next;
- struct target_ops *target_ops;
-};
+ {
+ struct target_stack_item *next;
+ struct target_ops *target_ops;
+ };
/* The target stack. */
This operation provides a target-specific hook that allows the
necessary bookkeeping to be performed after an attach completes.
- */
+ */
#define target_post_attach(pid) \
(*current_target.to_post_attach) (pid)
This operation provides a target-specific hook that allows the
necessary bookkeeping to be performed to track such sequences.
- */
+ */
#define target_post_wait(pid, status) \
(*current_target.to_post_wait) (pid, status)
extern int
target_read_memory_section PARAMS ((CORE_ADDR memaddr, char *myaddr, int len,
- asection *bfd_section));
+ asection * bfd_section));
extern int
target_read_memory_partial PARAMS ((CORE_ADDR, char *, int, int *));
child_xfer_memory PARAMS ((CORE_ADDR, char *, int, int, struct target_ops *));
extern char *
-child_pid_to_exec_file PARAMS ((int));
+ child_pid_to_exec_file PARAMS ((int));
extern char *
-child_core_file_to_sym_file PARAMS ((char *));
+ child_core_file_to_sym_file PARAMS ((char *));
#if defined(CHILD_POST_ATTACH)
extern void
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) \
(*current_target.to_create_inferior) (exec_file, args, env)
if the shell init file has commands in it, the shell will fork and
exec for each of those commands, and we will see each such fork
event. Very bad.)
-
+
Such targets will supply an appropriate definition for this function.
- */
+ */
#define target_post_startup_inferior(pid) \
(*current_target.to_post_startup_inferior) (pid)
/* 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)
(This is not a terribly useful feature without a GUI to prevent
the two debuggers from competing for shell input.)
- */
+ */
#define target_clone_and_follow_inferior(child_pid,followed_child) \
(*current_target.to_clone_and_follow_inferior) (child_pid, followed_child)
On some targets, this requires a bit of cleanup to make it work
correctly.
- */
+ */
#define target_post_follow_inferior_by_clone() \
(*current_target.to_post_follow_inferior_by_clone) ()
/* 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.
- */
+ */
#define target_insert_fork_catchpoint(pid) \
(*current_target.to_insert_fork_catchpoint) (pid)
/* Returns TRUE if PID has invoked the fork() system call. And,
also sets CHILD_PID to the process id of the other ("child")
inferior process that was created by that call.
- */
+ */
#define target_has_forked(pid,child_pid) \
(*current_target.to_has_forked) (pid,child_pid)
/* Returns TRUE if PID has invoked the vfork() system call. And,
also sets CHILD_PID to the process id of the other ("child")
inferior process that was created by that call.
- */
+ */
#define target_has_vforked(pid,child_pid) \
(*current_target.to_has_vforked) (pid,child_pid)
This function should be defined to return 1 by those targets
which can allow the debugger to immediately follow a vforked
child, and 0 if they cannot.
- */
+ */
#define target_can_follow_vfork_prior_to_exec() \
(*current_target.to_can_follow_vfork_prior_to_exec) ()
If so, this function should be defined by those targets that
require the debugger to perform cleanup or initialization after
the vfork follow.
- */
+ */
#define target_post_follow_vfork(parent_pid,followed_parent,child_pid,followed_child) \
(*current_target.to_post_follow_vfork) (parent_pid,followed_parent,child_pid,followed_child)
/* On some targets, we can catch an inferior exec event when it
occurs. These functions insert/remove an already-created catchpoint
for such events.
- */
+ */
#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 TRUE if PID has invoked a flavor of the exec() system call.
And, also sets EXECD_PATHNAME to the pathname of the executable file
that was passed to exec(), and is now being executed.
- */
+ */
#define target_has_execd(pid,execd_pathname) \
(*current_target.to_has_execd) (pid,execd_pathname)
/* 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.
- */
+ */
#define target_reported_exec_events_per_exec_call() \
(*current_target.to_reported_exec_events_per_exec_call) ()
/* Returns TRUE if PID has reported a syscall event. And, also sets
KIND to the appropriate TARGET_WAITKIND_, and sets SYSCALL_ID to
the unique integer ID of the syscall.
- */
+ */
#define target_has_syscall_event(pid,kind,syscall_id) \
(*current_target.to_has_syscall_event) (pid,kind,syscall_id)
/* Returns TRUE if PID has exited. And, also sets EXIT_STATUS to the
exit code of PID, if any.
- */
+ */
#define target_has_exited(pid,wait_status,exit_status) \
(*current_target.to_has_exited) (pid,wait_status,exit_status)
some process event that must be processed. This function should
be defined by those targets that require the debugger to perform
cleanup or internal state changes in response to the process event.
- */
+ */
/* The inferior process has died. Do what is right. */
#define target_thread_alive(pid) \
(*current_target.to_thread_alive) (pid)
+/* Query for new threads and add them to the thread list. */
+
+#define target_find_new_threads() \
+ do { \
+ if (current_target.to_find_new_threads) \
+ (*current_target.to_find_new_threads) (); \
+ } while (0);
+
/* 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. */
information is desired and the third is a buffer that carries back the
response from the target side. The fourth parameter is the size of the
output buffer supplied. */
-
+
#define target_query(query_type, query, resp_buffer, bufffer_size) \
(*current_target.to_query) (query_type, query, resp_buffer, bufffer_size)
+/* Send the specified COMMAND to the target's monitor
+ (shell,interpreter) for execution. The result of the query is
+ placed in OUTBUF. */
+
+#define target_rcmd(command, outbuf) \
+ (*current_target.to_rcmd) (command, outbuf)
+
+
/* Get the symbol information for a breakpointable routine called when
an exception event occurs.
Intended mainly for C++, and for those
(*current_target.to_enable_exception_callback) (kind, enable)
/* Get the current exception event kind -- throw or catch, etc. */
-
+
#define target_get_current_exception_event() \
(*current_target.to_get_current_exception_event) ()
/* 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)
#define target_can_switch_threads \
(current_target.to_has_thread_control & tc_switch)
+/* 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())
+
+/* Put the target in async mode with the specified callback function. */
+#define target_async(CALLBACK,CONTEXT) (current_target.to_async((CALLBACK), (CONTEXT)))
+
extern void target_link PARAMS ((char *, CORE_ADDR *));
/* Converts a process id to a string. Usually, the string just contains
normal_pid_to_str (PID)
extern char *normal_pid_to_str PARAMS ((int pid));
#endif
-
+
#ifndef target_new_objfile
#define target_new_objfile(OBJFILE)
that was run to create a specified process.
The process PID must be stopped when this operation is used.
-
+
If the executable file cannot be determined, NULL is returned.
Else, a pointer to a character string containing the pathname
is returned. This string should be copied into a buffer by
the client if the string will not be immediately used, or if
it must persist.
- */
+ */
#define target_pid_to_exec_file(pid) \
(current_target.to_pid_to_exec_file) (pid)
/* HP-UX supplies these operations, which respectively disable and enable
the memory page-protections that are used to implement hardware watchpoints
on that platform. See wait_for_inferior's use of these.
- */
+ */
#if !defined(TARGET_DISABLE_HW_WATCHPOINTS)
#define TARGET_DISABLE_HW_WATCHPOINTS(pid)
#endif
severe performance penalties, such that we might as well use regular
watchpoints, and save (possibly precious) hardware watchpoints for other
locations.
- */
+ */
#if !defined(TARGET_RANGE_PROFITABLE_FOR_HW_WATCHPOINT)
#define TARGET_RANGE_PROFITABLE_FOR_HW_WATCHPOINT(pid,start,len) 0
#endif
from a minimal symbol, but the value really means, essentially,
"This is an index into a table which is populated when the inferior
is run. Therefore, do not attempt to use this as a PC."
- */
+ */
#if !defined(PC_REQUIRES_RUN_BEFORE_USE)
#define PC_REQUIRES_RUN_BEFORE_USE(pc) (0)
#endif
child process after it has exec'd, causes the parent process to resume as
well. To prevent the parent from running spontaneously, such targets should
define this to a function that prevents that from happening.
- */
+ */
#if !defined(ENSURE_VFORKING_PARENT_REMAINS_STOPPED)
#define ENSURE_VFORKING_PARENT_REMAINS_STOPPED(PID) (0)
#endif
On some targets (such as HP-UX 10.20 and earlier), a newly vforked child
process must be resumed when it delivers its exec event, before the parent
vfork event will be delivered to us.
- */
+ */
#if !defined(RESUME_EXECD_VFORKING_CHILD_TO_GET_PARENT_VFORK)
#define RESUME_EXECD_VFORKING_CHILD_TO_GET_PARENT_VFORK() (0)
#endif
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
- targets, within its particular stratum of the stack. Result
- is 0 if now atop the stack, nonzero if not on top (maybe
- should warn user).
+ targets, within its particular stratum of the stack. Result
+ is 0 if now atop the stack, nonzero if not on top (maybe
+ should warn user).
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.
+ 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. */
+ pop_target: Remove the top thing on the stack of current targets. */
extern void
add_target PARAMS ((struct target_ops *));
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 {
- CORE_ADDR addr; /* Lowest address in section */
- CORE_ADDR endaddr; /* 1+highest address in section */
+struct section_table
+ {
+ CORE_ADDR addr; /* Lowest address in section */
+ CORE_ADDR endaddr; /* 1+highest address in section */
- sec_ptr the_bfd_section;
+ sec_ptr the_bfd_section;
- bfd *bfd; /* BFD file pointer */
-};
+ bfd *bfd; /* BFD file pointer */
+ };
/* Builds a section table, given args BFD, SECTABLE_PTR, SECEND_PTR.
Returns 0 if OK, 1 on error. */
extern struct target_ops *find_run_target PARAMS ((void));
extern struct target_ops *
-find_core_target PARAMS ((void));
+ find_core_target PARAMS ((void));
+
+int
+target_resize_to_sections PARAMS ((struct target_ops *target, int num_added));
\f
/* Stuff that should be shared among the various remote targets. */
do { *(REGP) = FP_REGNUM; *(OFFP) = 0; } while (0)
#endif /* TARGET_VIRTUAL_FRAME_POINTER */
-#endif /* !defined (TARGET_H) */
+#endif /* !defined (TARGET_H) */
projects / deliverable / binutils-gdb.git / blobdiff