/* Select target systems and architectures at runtime for GDB.
- Copyright 1990, 1992-1995, 1998-2000 Free Software Foundation, Inc.
+
+ Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
+ 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+
Contributed by Cygnus Support.
This file is part of GDB.
#include "defs.h"
#include <errno.h>
-#include <ctype.h>
#include "gdb_string.h"
#include "target.h"
#include "gdbcmd.h"
#include "symfile.h"
#include "objfiles.h"
#include "gdb_wait.h"
+#include "dcache.h"
#include <signal.h>
+#include "regcache.h"
+#include "gdb_assert.h"
+#include "gdbcore.h"
-extern int errno;
-
-static void
-target_info PARAMS ((char *, int));
-
-static void
-cleanup_target PARAMS ((struct target_ops *));
+static void target_info (char *, int);
-static void
-maybe_kill_then_create_inferior PARAMS ((char *, char *, char **));
+static void maybe_kill_then_create_inferior (char *, char *, char **);
-static void
-default_clone_and_follow_inferior PARAMS ((int, int *));
+static void maybe_kill_then_attach (char *, int);
-static void
-maybe_kill_then_attach PARAMS ((char *, int));
+static void kill_or_be_killed (int);
-static void
-kill_or_be_killed PARAMS ((int));
+static void default_terminal_info (char *, int);
-static void
-default_terminal_info PARAMS ((char *, int));
+static int default_region_size_ok_for_hw_watchpoint (int);
-static int
-nosymbol PARAMS ((char *, CORE_ADDR *));
+static int nosymbol (char *, CORE_ADDR *);
-static void
-tcomplain PARAMS ((void));
+static void tcomplain (void);
-static int
-nomemory PARAMS ((CORE_ADDR, char *, int, int, struct target_ops *));
+static int nomemory (CORE_ADDR, char *, int, int, struct target_ops *);
-static int
-return_zero PARAMS ((void));
+static int return_zero (void);
-static int
-return_one PARAMS ((void));
+static int return_one (void);
-void
-target_ignore PARAMS ((void));
+static int return_minus_one (void);
-static void
-target_command PARAMS ((char *, int));
+void target_ignore (void);
-static struct target_ops *
-find_default_run_target PARAMS ((char *));
+static void target_command (char *, int);
-static void
-update_current_target PARAMS ((void));
+static struct target_ops *find_default_run_target (char *);
-static void nosupport_runtime PARAMS ((void));
+static void nosupport_runtime (void);
-static void normal_target_post_startup_inferior PARAMS ((int pid));
+static LONGEST default_xfer_partial (struct target_ops *ops,
+ enum target_object object,
+ const char *annex, void *readbuf,
+ const void *writebuf,
+ ULONGEST offset, LONGEST len);
/* Transfer LEN bytes between target address MEMADDR and GDB address
MYADDR. Returns 0 for success, errno code for failure (which
partial transfers, try either target_read_memory_partial or
target_write_memory_partial). */
-static int
-target_xfer_memory PARAMS ((CORE_ADDR memaddr, char *myaddr, int len,
- int write, asection * bfd_section));
+static int target_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len,
+ int write);
-static void init_dummy_target PARAMS ((void));
+static void init_dummy_target (void);
-static void
-debug_to_open PARAMS ((char *, int));
+static void debug_to_open (char *, int);
-static void
-debug_to_close PARAMS ((int));
+static void debug_to_close (int);
-static void
-debug_to_attach PARAMS ((char *, int));
+static void debug_to_attach (char *, int);
-static void
-debug_to_detach PARAMS ((char *, int));
+static void debug_to_detach (char *, int);
-static void
-debug_to_resume PARAMS ((int, int, enum target_signal));
+static void debug_to_disconnect (char *, int);
-static int
-debug_to_wait PARAMS ((int, struct target_waitstatus *));
+static void debug_to_resume (ptid_t, int, enum target_signal);
-static void
-debug_to_fetch_registers PARAMS ((int));
+static ptid_t debug_to_wait (ptid_t, struct target_waitstatus *);
-static void
-debug_to_store_registers PARAMS ((int));
+static void debug_to_fetch_registers (int);
-static void
-debug_to_prepare_to_store PARAMS ((void));
+static void debug_to_store_registers (int);
-static int
-debug_to_xfer_memory PARAMS ((CORE_ADDR, char *, int, int, struct target_ops *));
+static void debug_to_prepare_to_store (void);
-static void
-debug_to_files_info PARAMS ((struct target_ops *));
+static int debug_to_xfer_memory (CORE_ADDR, char *, int, int,
+ struct mem_attrib *, struct target_ops *);
-static int
-debug_to_insert_breakpoint PARAMS ((CORE_ADDR, char *));
+static void debug_to_files_info (struct target_ops *);
-static int
-debug_to_remove_breakpoint PARAMS ((CORE_ADDR, char *));
+static int debug_to_insert_breakpoint (CORE_ADDR, char *);
-static void
-debug_to_terminal_init PARAMS ((void));
+static int debug_to_remove_breakpoint (CORE_ADDR, char *);
-static void
-debug_to_terminal_inferior PARAMS ((void));
+static int debug_to_can_use_hw_breakpoint (int, int, int);
-static void
-debug_to_terminal_ours_for_output PARAMS ((void));
+static int debug_to_insert_hw_breakpoint (CORE_ADDR, char *);
-static void
-debug_to_terminal_ours PARAMS ((void));
+static int debug_to_remove_hw_breakpoint (CORE_ADDR, char *);
-static void
-debug_to_terminal_info PARAMS ((char *, int));
+static int debug_to_insert_watchpoint (CORE_ADDR, int, int);
-static void
-debug_to_kill PARAMS ((void));
+static int debug_to_remove_watchpoint (CORE_ADDR, int, int);
-static void
-debug_to_load PARAMS ((char *, int));
+static int debug_to_stopped_by_watchpoint (void);
-static int
-debug_to_lookup_symbol PARAMS ((char *, CORE_ADDR *));
+static CORE_ADDR debug_to_stopped_data_address (void);
-static void
-debug_to_create_inferior PARAMS ((char *, char *, char **));
+static int debug_to_region_size_ok_for_hw_watchpoint (int);
-static void
-debug_to_mourn_inferior PARAMS ((void));
+static void debug_to_terminal_init (void);
-static int
-debug_to_can_run PARAMS ((void));
+static void debug_to_terminal_inferior (void);
-static void
-debug_to_notice_signals PARAMS ((int));
+static void debug_to_terminal_ours_for_output (void);
-static int
-debug_to_thread_alive PARAMS ((int));
+static void debug_to_terminal_save_ours (void);
-static void
-debug_to_stop PARAMS ((void));
+static void debug_to_terminal_ours (void);
-static int debug_to_query PARAMS ((int /*char */ , char *, char *, int *));
+static void debug_to_terminal_info (char *, int);
+
+static void debug_to_kill (void);
+
+static void debug_to_load (char *, int);
+
+static int debug_to_lookup_symbol (char *, CORE_ADDR *);
+
+static void debug_to_create_inferior (char *, char *, char **);
+
+static void debug_to_mourn_inferior (void);
+
+static int debug_to_can_run (void);
+
+static void debug_to_notice_signals (ptid_t);
+
+static int debug_to_thread_alive (ptid_t);
+
+static void debug_to_stop (void);
/* Pointer to array of target architecture structures; the size of the
array; the current index into the array; the allocated size of the
/* Top of target stack. */
-struct target_stack_item *target_stack;
+static struct target_ops *target_stack;
/* The target structure we are currently using to talk to a process
or file or whatever "inferior" we have. */
static int targetdebug = 0;
-static void setup_target_debug PARAMS ((void));
+static void setup_target_debug (void);
+
+DCACHE *target_dcache;
/* The user just typed 'target' without the name of a target. */
-/* ARGSUSED */
static void
-target_command (arg, from_tty)
- char *arg;
- int from_tty;
+target_command (char *arg, int from_tty)
{
fputs_filtered ("Argument required (target name). Try `help target'\n",
gdb_stdout);
/* Add a possible target architecture to the list. */
void
-add_target (t)
- struct target_ops *t;
+add_target (struct target_ops *t)
{
+ /* Provide default values for all "must have" methods. */
+ if (t->to_xfer_partial == NULL)
+ t->to_xfer_partial = default_xfer_partial;
+
if (!target_structs)
{
target_struct_allocsize = DEFAULT_ALLOCSIZE;
target_struct_allocsize * sizeof (*target_structs));
}
target_structs[target_struct_size++] = t;
-/* cleanup_target (t); */
if (targetlist == NULL)
add_prefix_cmd ("target", class_run, target_command,
/* Stub functions */
void
-target_ignore ()
+target_ignore (void)
{
}
void
target_load (char *arg, int from_tty)
{
+ dcache_invalidate (target_dcache);
(*current_target.to_load) (arg, from_tty);
}
-/* ARGSUSED */
static int
-nomemory (memaddr, myaddr, len, write, t)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
- int write;
- struct target_ops *t;
+nomemory (CORE_ADDR memaddr, char *myaddr, int len, int write,
+ struct target_ops *t)
{
errno = EIO; /* Can't read/write this location */
return 0; /* No bytes handled */
}
static void
-tcomplain ()
+tcomplain (void)
{
error ("You can't do that when your target is `%s'",
current_target.to_shortname);
}
void
-noprocess ()
+noprocess (void)
{
error ("You can't do that without a process to debug.");
}
-/* ARGSUSED */
static int
-nosymbol (name, addrp)
- char *name;
- CORE_ADDR *addrp;
+nosymbol (char *name, CORE_ADDR *addrp)
{
return 1; /* Symbol does not exist in target env */
}
-/* ARGSUSED */
static void
-nosupport_runtime ()
+nosupport_runtime (void)
{
- if (!inferior_pid)
+ if (ptid_equal (inferior_ptid, null_ptid))
noprocess ();
else
error ("No run-time support for this");
}
-/* ARGSUSED */
static void
-default_terminal_info (args, from_tty)
- char *args;
- int from_tty;
+default_terminal_info (char *args, int from_tty)
{
printf_unfiltered ("No saved terminal information.\n");
}
the target, and the operation should be attempted. */
static void
-kill_or_be_killed (from_tty)
- int from_tty;
+kill_or_be_killed (int from_tty)
{
if (target_has_execution)
{
}
static void
-maybe_kill_then_attach (args, from_tty)
- char *args;
- int from_tty;
+maybe_kill_then_attach (char *args, int from_tty)
{
kill_or_be_killed (from_tty);
target_attach (args, from_tty);
}
static void
-maybe_kill_then_create_inferior (exec, args, env)
- char *exec;
- char *args;
- char **env;
+maybe_kill_then_create_inferior (char *exec, char *args, char **env)
{
kill_or_be_killed (0);
target_create_inferior (exec, args, env);
}
-static void
-default_clone_and_follow_inferior (child_pid, followed_child)
- int child_pid;
- int *followed_child;
-{
- target_clone_and_follow_inferior (child_pid, followed_child);
-}
+/* Go through the target stack from top to bottom, copying over zero
+ entries in current_target, then filling in still empty entries. In
+ effect, we are doing class inheritance through the pushed target
+ vectors.
-/* Clean up a target struct so it no longer has any zero pointers in it.
- We default entries, at least to stubs that print error messages. */
+ NOTE: cagney/2003-10-17: The problem with this inheritance, as it
+ is currently implemented, is that it discards any knowledge of
+ which target an inherited method originally belonged to.
+ Consequently, new new target methods should instead explicitly and
+ locally search the target stack for the target that can handle the
+ request. */
static void
-cleanup_target (t)
- struct target_ops *t;
+update_current_target (void)
{
+ struct target_ops *t;
+
+ /* First, reset curren'ts contents. */
+ memset (¤t_target, 0, sizeof (current_target));
+
+#define INHERIT(FIELD, TARGET) \
+ if (!current_target.FIELD) \
+ current_target.FIELD = (TARGET)->FIELD
+
+ for (t = target_stack; t; t = t->beneath)
+ {
+ INHERIT (to_shortname, t);
+ INHERIT (to_longname, t);
+ INHERIT (to_doc, t);
+ INHERIT (to_open, t);
+ INHERIT (to_close, t);
+ INHERIT (to_attach, t);
+ INHERIT (to_post_attach, t);
+ INHERIT (to_detach, t);
+ INHERIT (to_disconnect, t);
+ INHERIT (to_resume, t);
+ INHERIT (to_wait, t);
+ INHERIT (to_post_wait, t);
+ INHERIT (to_fetch_registers, t);
+ INHERIT (to_store_registers, t);
+ INHERIT (to_prepare_to_store, t);
+ INHERIT (to_xfer_memory, t);
+ INHERIT (to_files_info, t);
+ INHERIT (to_insert_breakpoint, t);
+ INHERIT (to_remove_breakpoint, t);
+ INHERIT (to_can_use_hw_breakpoint, t);
+ INHERIT (to_insert_hw_breakpoint, t);
+ INHERIT (to_remove_hw_breakpoint, t);
+ INHERIT (to_insert_watchpoint, t);
+ INHERIT (to_remove_watchpoint, t);
+ INHERIT (to_stopped_data_address, t);
+ INHERIT (to_stopped_by_watchpoint, t);
+ INHERIT (to_have_continuable_watchpoint, t);
+ INHERIT (to_region_size_ok_for_hw_watchpoint, t);
+ INHERIT (to_terminal_init, t);
+ INHERIT (to_terminal_inferior, t);
+ INHERIT (to_terminal_ours_for_output, t);
+ INHERIT (to_terminal_ours, t);
+ INHERIT (to_terminal_save_ours, t);
+ INHERIT (to_terminal_info, t);
+ INHERIT (to_kill, t);
+ INHERIT (to_load, t);
+ INHERIT (to_lookup_symbol, t);
+ INHERIT (to_create_inferior, t);
+ INHERIT (to_post_startup_inferior, t);
+ INHERIT (to_acknowledge_created_inferior, t);
+ INHERIT (to_insert_fork_catchpoint, t);
+ INHERIT (to_remove_fork_catchpoint, t);
+ INHERIT (to_insert_vfork_catchpoint, t);
+ INHERIT (to_remove_vfork_catchpoint, t);
+ INHERIT (to_follow_fork, t);
+ INHERIT (to_insert_exec_catchpoint, t);
+ INHERIT (to_remove_exec_catchpoint, t);
+ INHERIT (to_reported_exec_events_per_exec_call, t);
+ INHERIT (to_has_exited, t);
+ INHERIT (to_mourn_inferior, t);
+ INHERIT (to_can_run, t);
+ INHERIT (to_notice_signals, t);
+ INHERIT (to_thread_alive, t);
+ INHERIT (to_find_new_threads, t);
+ INHERIT (to_pid_to_str, t);
+ INHERIT (to_extra_thread_info, t);
+ INHERIT (to_stop, t);
+ /* Do not inherit to_xfer_partial. */
+ INHERIT (to_rcmd, t);
+ INHERIT (to_enable_exception_callback, t);
+ INHERIT (to_get_current_exception_event, t);
+ INHERIT (to_pid_to_exec_file, t);
+ INHERIT (to_stratum, t);
+ INHERIT (to_has_all_memory, t);
+ INHERIT (to_has_memory, t);
+ INHERIT (to_has_stack, t);
+ INHERIT (to_has_registers, t);
+ INHERIT (to_has_execution, t);
+ INHERIT (to_has_thread_control, t);
+ INHERIT (to_sections, t);
+ INHERIT (to_sections_end, t);
+ INHERIT (to_can_async_p, t);
+ INHERIT (to_is_async_p, t);
+ INHERIT (to_async, t);
+ INHERIT (to_async_mask_value, t);
+ INHERIT (to_find_memory_regions, t);
+ INHERIT (to_make_corefile_notes, t);
+ INHERIT (to_get_thread_local_address, t);
+ INHERIT (to_magic, t);
+ }
+#undef INHERIT
+
+ /* Clean up a target struct so it no longer has any zero pointers in
+ it. Some entries are defaulted to a method that print an error,
+ others are hard-wired to a standard recursive default. */
#define de_fault(field, value) \
- if (!t->field) \
- t->field = value
+ if (!current_target.field) \
+ current_target.field = value
de_fault (to_open,
(void (*) (char *, int))
de_fault (to_post_attach,
(void (*) (int))
target_ignore);
- de_fault (to_require_attach,
- maybe_kill_then_attach);
de_fault (to_detach,
(void (*) (char *, int))
target_ignore);
- de_fault (to_require_detach,
- (void (*) (int, char *, int))
- target_ignore);
+ de_fault (to_disconnect,
+ (void (*) (char *, int))
+ tcomplain);
de_fault (to_resume,
- (void (*) (int, int, enum target_signal))
+ (void (*) (ptid_t, int, enum target_signal))
noprocess);
de_fault (to_wait,
- (int (*) (int, struct target_waitstatus *))
+ (ptid_t (*) (ptid_t, struct target_waitstatus *))
noprocess);
de_fault (to_post_wait,
- (void (*) (int, int))
+ (void (*) (ptid_t, int))
target_ignore);
de_fault (to_fetch_registers,
(void (*) (int))
(void (*) (void))
noprocess);
de_fault (to_xfer_memory,
- (int (*) (CORE_ADDR, char *, int, int, struct target_ops *))
+ (int (*) (CORE_ADDR, char *, int, int, struct mem_attrib *, struct target_ops *))
nomemory);
de_fault (to_files_info,
(void (*) (struct target_ops *))
memory_insert_breakpoint);
de_fault (to_remove_breakpoint,
memory_remove_breakpoint);
+ de_fault (to_can_use_hw_breakpoint,
+ (int (*) (int, int, int))
+ return_zero);
+ de_fault (to_insert_hw_breakpoint,
+ (int (*) (CORE_ADDR, char *))
+ return_minus_one);
+ de_fault (to_remove_hw_breakpoint,
+ (int (*) (CORE_ADDR, char *))
+ return_minus_one);
+ de_fault (to_insert_watchpoint,
+ (int (*) (CORE_ADDR, int, int))
+ return_minus_one);
+ de_fault (to_remove_watchpoint,
+ (int (*) (CORE_ADDR, int, int))
+ return_minus_one);
+ de_fault (to_stopped_by_watchpoint,
+ (int (*) (void))
+ return_zero);
+ de_fault (to_stopped_data_address,
+ (CORE_ADDR (*) (void))
+ return_zero);
+ de_fault (to_region_size_ok_for_hw_watchpoint,
+ default_region_size_ok_for_hw_watchpoint);
de_fault (to_terminal_init,
(void (*) (void))
target_ignore);
de_fault (to_terminal_ours,
(void (*) (void))
target_ignore);
+ de_fault (to_terminal_save_ours,
+ (void (*) (void))
+ target_ignore);
de_fault (to_terminal_info,
default_terminal_info);
de_fault (to_kill,
de_fault (to_create_inferior,
maybe_kill_then_create_inferior);
de_fault (to_post_startup_inferior,
- (void (*) (int))
+ (void (*) (ptid_t))
target_ignore);
de_fault (to_acknowledge_created_inferior,
(void (*) (int))
target_ignore);
- de_fault (to_clone_and_follow_inferior,
- default_clone_and_follow_inferior);
- de_fault (to_post_follow_inferior_by_clone,
- (void (*) (void))
- target_ignore);
de_fault (to_insert_fork_catchpoint,
(int (*) (int))
tcomplain);
de_fault (to_remove_vfork_catchpoint,
(int (*) (int))
tcomplain);
- de_fault (to_has_forked,
- (int (*) (int, int *))
- return_zero);
- de_fault (to_has_vforked,
- (int (*) (int, int *))
- return_zero);
- de_fault (to_can_follow_vfork_prior_to_exec,
- (int (*) (void))
- return_zero);
- de_fault (to_post_follow_vfork,
- (void (*) (int, int, int, int))
+ de_fault (to_follow_fork,
+ (int (*) (int))
target_ignore);
de_fault (to_insert_exec_catchpoint,
(int (*) (int))
de_fault (to_remove_exec_catchpoint,
(int (*) (int))
tcomplain);
- de_fault (to_has_execd,
- (int (*) (int, char **))
- return_zero);
de_fault (to_reported_exec_events_per_exec_call,
(int (*) (void))
return_one);
- de_fault (to_has_syscall_event,
- (int (*) (int, enum target_waitkind *, int *))
- return_zero);
de_fault (to_has_exited,
(int (*) (int, int, int *))
return_zero);
de_fault (to_can_run,
return_zero);
de_fault (to_notice_signals,
- (void (*) (int))
+ (void (*) (ptid_t))
target_ignore);
de_fault (to_thread_alive,
- (int (*) (int))
+ (int (*) (ptid_t))
return_zero);
de_fault (to_find_new_threads,
(void (*) (void))
de_fault (to_stop,
(void (*) (void))
target_ignore);
- de_fault (to_query,
- (int (*) (int, char *, char *, int *))
- return_zero);
+ current_target.to_xfer_partial = default_xfer_partial;
de_fault (to_rcmd,
(void (*) (char *, struct ui_file *))
tcomplain);
de_fault (to_pid_to_exec_file,
(char *(*) (int))
return_zero);
- de_fault (to_core_file_to_sym_file,
- (char *(*) (char *))
- return_zero);
de_fault (to_can_async_p,
(int (*) (void))
return_zero);
(void (*) (void (*) (enum inferior_event_type, void*), void*))
tcomplain);
#undef de_fault
-}
-
-/* Go through the target stack from top to bottom, copying over zero entries in
- current_target. In effect, we are doing class inheritance through the
- pushed target vectors. */
-
-static void
-update_current_target ()
-{
- struct target_stack_item *item;
- struct target_ops *t;
-
- /* First, reset current_target */
- memset (¤t_target, 0, sizeof current_target);
-
- for (item = target_stack; item; item = item->next)
- {
- t = item->target_ops;
-
-#define INHERIT(FIELD, TARGET) \
- if (!current_target.FIELD) \
- current_target.FIELD = TARGET->FIELD
-
- INHERIT (to_shortname, t);
- INHERIT (to_longname, t);
- INHERIT (to_doc, t);
- INHERIT (to_open, t);
- INHERIT (to_close, t);
- INHERIT (to_attach, t);
- INHERIT (to_post_attach, t);
- INHERIT (to_require_attach, t);
- INHERIT (to_detach, t);
- INHERIT (to_require_detach, t);
- INHERIT (to_resume, t);
- INHERIT (to_wait, t);
- INHERIT (to_post_wait, t);
- INHERIT (to_fetch_registers, t);
- INHERIT (to_store_registers, t);
- INHERIT (to_prepare_to_store, t);
- INHERIT (to_xfer_memory, t);
- INHERIT (to_files_info, t);
- INHERIT (to_insert_breakpoint, t);
- INHERIT (to_remove_breakpoint, t);
- INHERIT (to_terminal_init, t);
- INHERIT (to_terminal_inferior, t);
- INHERIT (to_terminal_ours_for_output, t);
- INHERIT (to_terminal_ours, t);
- INHERIT (to_terminal_info, t);
- INHERIT (to_kill, t);
- INHERIT (to_load, t);
- INHERIT (to_lookup_symbol, t);
- INHERIT (to_create_inferior, t);
- INHERIT (to_post_startup_inferior, t);
- INHERIT (to_acknowledge_created_inferior, t);
- INHERIT (to_clone_and_follow_inferior, t);
- INHERIT (to_post_follow_inferior_by_clone, t);
- INHERIT (to_insert_fork_catchpoint, t);
- INHERIT (to_remove_fork_catchpoint, t);
- INHERIT (to_insert_vfork_catchpoint, t);
- INHERIT (to_remove_vfork_catchpoint, t);
- INHERIT (to_has_forked, t);
- INHERIT (to_has_vforked, t);
- INHERIT (to_can_follow_vfork_prior_to_exec, t);
- INHERIT (to_post_follow_vfork, t);
- INHERIT (to_insert_exec_catchpoint, t);
- INHERIT (to_remove_exec_catchpoint, t);
- INHERIT (to_has_execd, t);
- INHERIT (to_reported_exec_events_per_exec_call, t);
- INHERIT (to_has_syscall_event, t);
- INHERIT (to_has_exited, t);
- INHERIT (to_mourn_inferior, t);
- INHERIT (to_can_run, t);
- INHERIT (to_notice_signals, t);
- INHERIT (to_thread_alive, t);
- INHERIT (to_find_new_threads, t);
- INHERIT (to_pid_to_str, t);
- INHERIT (to_extra_thread_info, t);
- INHERIT (to_stop, t);
- INHERIT (to_query, t);
- INHERIT (to_rcmd, t);
- INHERIT (to_enable_exception_callback, t);
- INHERIT (to_get_current_exception_event, t);
- INHERIT (to_pid_to_exec_file, t);
- INHERIT (to_core_file_to_sym_file, t);
- INHERIT (to_stratum, t);
- INHERIT (DONT_USE, t);
- INHERIT (to_has_all_memory, t);
- INHERIT (to_has_memory, t);
- INHERIT (to_has_stack, t);
- INHERIT (to_has_registers, t);
- INHERIT (to_has_execution, t);
- INHERIT (to_has_thread_control, t);
- INHERIT (to_sections, t);
- INHERIT (to_sections_end, t);
- INHERIT (to_can_async_p, t);
- INHERIT (to_is_async_p, t);
- INHERIT (to_async, t);
- INHERIT (to_async_mask_value, t);
- INHERIT (to_magic, t);
-#undef INHERIT
- }
+ /* Finally, position the target-stack beneath the squashed
+ "current_target". That way code looking for a non-inherited
+ target method can quickly and simply find it. */
+ current_target.beneath = target_stack;
}
/* Push a new target type into the stack of the existing target accessors,
checking them. */
int
-push_target (t)
- struct target_ops *t;
+push_target (struct target_ops *t)
{
- struct target_stack_item *cur, *prev, *tmp;
+ struct target_ops **cur;
/* Check magic number. If wrong, it probably means someone changed
the struct definition, but not all the places that initialize one. */
fprintf_unfiltered (gdb_stderr,
"Magic number of %s target struct wrong\n",
t->to_shortname);
- abort ();
+ internal_error (__FILE__, __LINE__, "failed internal consistency check");
}
- /* Find the proper stratum to install this target in. */
-
- for (prev = NULL, cur = target_stack; cur; prev = cur, cur = cur->next)
+ /* Find the proper stratum to install this target in. */
+ for (cur = &target_stack; (*cur) != NULL; cur = &(*cur)->beneath)
{
- if ((int) (t->to_stratum) >= (int) (cur->target_ops->to_stratum))
+ if ((int) (t->to_stratum) >= (int) (*cur)->to_stratum)
break;
}
- /* If there's already targets at this stratum, remove them. */
-
- if (cur)
- while (t->to_stratum == cur->target_ops->to_stratum)
- {
- /* There's already something on this stratum. Close it off. */
- if (cur->target_ops->to_close)
- (cur->target_ops->to_close) (0);
- if (prev)
- prev->next = cur->next; /* Unchain old target_ops */
- else
- target_stack = cur->next; /* Unchain first on list */
- tmp = cur->next;
- free (cur);
- cur = tmp;
- }
+ /* If there's already targets at this stratum, remove them. */
+ /* FIXME: cagney/2003-10-15: I think this should be poping all
+ targets to CUR, and not just those at this stratum level. */
+ while ((*cur) != NULL && t->to_stratum == (*cur)->to_stratum)
+ {
+ /* There's already something at this stratum level. Close it,
+ and un-hook it from the stack. */
+ struct target_ops *tmp = (*cur);
+ (*cur) = (*cur)->beneath;
+ tmp->beneath = NULL;
+ target_close (tmp, 0);
+ }
/* We have removed all targets in our stratum, now add the new one. */
-
- tmp = (struct target_stack_item *)
- xmalloc (sizeof (struct target_stack_item));
- tmp->next = cur;
- tmp->target_ops = t;
-
- if (prev)
- prev->next = tmp;
- else
- target_stack = tmp;
+ t->beneath = (*cur);
+ (*cur) = t;
update_current_target ();
- cleanup_target (¤t_target); /* Fill in the gaps */
-
if (targetdebug)
setup_target_debug ();
- return prev != 0;
+ /* Not on top? */
+ return (t != target_stack);
}
/* Remove a target_ops vector from the stack, wherever it may be.
Return how many times it was removed (0 or 1). */
int
-unpush_target (t)
- struct target_ops *t;
+unpush_target (struct target_ops *t)
{
- struct target_stack_item *cur, *prev;
-
- if (t->to_close)
- t->to_close (0); /* Let it clean up */
+ struct target_ops **cur;
+ struct target_ops *tmp;
/* Look for the specified target. Note that we assume that a target
can only occur once in the target stack. */
- for (cur = target_stack, prev = NULL; cur; prev = cur, cur = cur->next)
- if (cur->target_ops == t)
- break;
+ for (cur = &target_stack; (*cur) != NULL; cur = &(*cur)->beneath)
+ {
+ if ((*cur) == t)
+ break;
+ }
- if (!cur)
+ if ((*cur) == NULL)
return 0; /* Didn't find target_ops, quit now */
- /* Unchain the target */
-
- if (!prev)
- target_stack = cur->next;
- else
- prev->next = cur->next;
+ /* NOTE: cagney/2003-12-06: In '94 the close call was made
+ unconditional by moving it to before the above check that the
+ target was in the target stack (something about "Change the way
+ pushing and popping of targets work to support target overlays
+ and inheritance"). This doesn't make much sense - only open
+ targets should be closed. */
+ target_close (t, 0);
- free (cur); /* Release the target_stack_item */
+ /* Unchain the target */
+ tmp = (*cur);
+ (*cur) = (*cur)->beneath;
+ tmp->beneath = NULL;
update_current_target ();
- cleanup_target (¤t_target);
return 1;
}
void
-pop_target ()
+pop_target (void)
{
- (current_target.to_close) (0); /* Let it clean up */
- if (unpush_target (target_stack->target_ops) == 1)
+ target_close (¤t_target, 0); /* Let it clean up */
+ if (unpush_target (target_stack) == 1)
return;
fprintf_unfiltered (gdb_stderr,
"pop_target couldn't find target %s\n",
current_target.to_shortname);
- abort ();
+ internal_error (__FILE__, __LINE__, "failed internal consistency check");
}
#undef MIN
read. */
int
-target_read_string (memaddr, string, len, errnop)
- CORE_ADDR memaddr;
- char **string;
- int len;
- int *errnop;
+target_read_string (CORE_ADDR memaddr, char **string, int len, int *errnop)
{
int tlen, origlen, offset, i;
char buf[4];
tlen = MIN (len, 4 - (memaddr & 3));
offset = memaddr & 3;
- errcode = target_xfer_memory (memaddr & ~3, buf, 4, 0, NULL);
+ errcode = target_xfer_memory (memaddr & ~3, buf, 4, 0);
if (errcode != 0)
{
/* The transfer request might have crossed the boundary to an
a single byte. */
tlen = 1;
offset = 0;
- errcode = target_xfer_memory (memaddr, buf, 1, 0, NULL);
+ errcode = target_xfer_memory (memaddr, buf, 1, 0);
if (errcode != 0)
goto done;
}
return nbytes_read;
}
-/* Read LEN bytes of target memory at address MEMADDR, placing the results in
- GDB's memory at MYADDR. Returns either 0 for success or an errno value
- if any error occurs.
-
+/* Find a section containing ADDR. */
+struct section_table *
+target_section_by_addr (struct target_ops *target, CORE_ADDR addr)
+{
+ struct section_table *secp;
+ for (secp = target->to_sections;
+ secp < target->to_sections_end;
+ secp++)
+ {
+ if (addr >= secp->addr && addr < secp->endaddr)
+ return secp;
+ }
+ return NULL;
+}
+
+/* Read LEN bytes of target memory at address MEMADDR, placing the results in
+ GDB's memory at MYADDR. Returns either 0 for success or an errno value
+ if any error occurs.
+
If an error occurs, no guarantee is made about the contents of the data at
MYADDR. In particular, the caller should not depend upon partial reads
filling the buffer with good data. There is no way for the caller to know
deal with partial reads should call target_read_memory_partial. */
int
-target_read_memory (memaddr, myaddr, len)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
+target_read_memory (CORE_ADDR memaddr, char *myaddr, int len)
{
- return target_xfer_memory (memaddr, myaddr, len, 0, NULL);
+ return target_xfer_memory (memaddr, myaddr, len, 0);
}
int
-target_read_memory_section (memaddr, myaddr, len, bfd_section)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
- asection *bfd_section;
+target_write_memory (CORE_ADDR memaddr, char *myaddr, int len)
{
- return target_xfer_memory (memaddr, myaddr, len, 0, bfd_section);
+ return target_xfer_memory (memaddr, myaddr, len, 1);
}
-int
-target_write_memory (memaddr, myaddr, len)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
-{
- return target_xfer_memory (memaddr, myaddr, len, 1, NULL);
-}
+static int trust_readonly = 0;
-/* This variable is used to pass section information down to targets. This
- *should* be done by adding an argument to the target_xfer_memory function
- of all the targets, but I didn't feel like changing 50+ files. */
+/* Move memory to or from the targets. The top target gets priority;
+ if it cannot handle it, it is offered to the next one down, etc.
-asection *target_memory_bfd_section = NULL;
+ Result is -1 on error, or the number of bytes transfered. */
-/* Move memory to or from the targets. Iterate until all of it has
- been moved, if necessary. The top target gets priority; anything
- it doesn't want, is offered to the next one down, etc. Note the
- business with curlen: if an early target says "no, but I have a
- boundary overlapping this xfer" then we shorten what we offer to
- the subsequent targets so the early guy will get a chance at the
- tail before the subsequent ones do.
-
- Result is 0 or errno value. */
-
-static int
-target_xfer_memory (memaddr, myaddr, len, write, bfd_section)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
- int write;
- asection *bfd_section;
-{
- int curlen;
+int
+do_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write,
+ struct mem_attrib *attrib)
+{
int res;
+ int done = 0;
struct target_ops *t;
- struct target_stack_item *item;
/* Zero length requests are ok and require no work. */
if (len == 0)
return 0;
- target_memory_bfd_section = bfd_section;
-
/* to_xfer_memory is not guaranteed to set errno, even when it returns
0. */
errno = 0;
- /* The quick case is that the top target does it all. */
- res = current_target.to_xfer_memory
- (memaddr, myaddr, len, write, ¤t_target);
- if (res == len)
- return 0;
+ if (!write && trust_readonly)
+ {
+ struct section_table *secp;
+ /* User-settable option, "trust-readonly-sections". If true,
+ then memory from any SEC_READONLY bfd section may be read
+ directly from the bfd file. */
+ secp = target_section_by_addr (¤t_target, memaddr);
+ if (secp != NULL
+ && (bfd_get_section_flags (secp->bfd, secp->the_bfd_section)
+ & SEC_READONLY))
+ return xfer_memory (memaddr, myaddr, len, 0, attrib, ¤t_target);
+ }
- if (res > 0)
- goto bump;
- /* If res <= 0 then we call it again in the loop. Ah well. */
+ /* The quick case is that the top target can handle the transfer. */
+ res = current_target.to_xfer_memory
+ (memaddr, myaddr, len, write, attrib, ¤t_target);
- for (; len > 0;)
+ /* If res <= 0 then we call it again in the loop. Ah well. */
+ if (res <= 0)
{
- curlen = len; /* Want to do it all */
- for (item = target_stack; item; item = item->next)
+ for (t = target_stack; t != NULL; t = t->beneath)
{
- t = item->target_ops;
if (!t->to_has_memory)
continue;
- res = t->to_xfer_memory (memaddr, myaddr, curlen, write, t);
+ res = t->to_xfer_memory (memaddr, myaddr, len, write, attrib, t);
if (res > 0)
break; /* Handled all or part of xfer */
if (t->to_has_all_memory)
}
if (res <= 0)
+ return -1;
+ }
+
+ return res;
+}
+
+
+/* Perform a memory transfer. Iterate until the entire region has
+ been transfered.
+
+ Result is 0 or errno value. */
+
+static int
+target_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write)
+{
+ int res;
+ int reg_len;
+ struct mem_region *region;
+
+ /* Zero length requests are ok and require no work. */
+ if (len == 0)
+ {
+ return 0;
+ }
+
+ while (len > 0)
+ {
+ region = lookup_mem_region(memaddr);
+ if (memaddr + len < region->hi)
+ reg_len = len;
+ else
+ reg_len = region->hi - memaddr;
+
+ switch (region->attrib.mode)
{
- /* If this address is for nonexistent memory,
- read zeros if reading, or do nothing if writing. Return error. */
+ case MEM_RO:
+ if (write)
+ return EIO;
+ break;
+
+ case MEM_WO:
if (!write)
- memset (myaddr, 0, len);
- if (errno == 0)
return EIO;
+ break;
+ }
+
+ while (reg_len > 0)
+ {
+ if (region->attrib.cache)
+ res = dcache_xfer_memory (target_dcache, memaddr, myaddr,
+ reg_len, write);
else
- return errno;
+ res = do_xfer_memory (memaddr, myaddr, reg_len, write,
+ ®ion->attrib);
+
+ if (res <= 0)
+ {
+ /* If this address is for nonexistent memory, read zeros
+ if reading, or do nothing if writing. Return
+ error. */
+ if (!write)
+ memset (myaddr, 0, len);
+ if (errno == 0)
+ return EIO;
+ else
+ return errno;
+ }
+
+ memaddr += res;
+ myaddr += res;
+ len -= res;
+ reg_len -= res;
}
- bump:
- memaddr += res;
- myaddr += res;
- len -= res;
}
+
return 0; /* We managed to cover it all somehow. */
}
-/* Perform a partial memory transfer. */
+/* Perform a partial memory transfer.
+
+ Result is -1 on error, or the number of bytes transfered. */
static int
-target_xfer_memory_partial (CORE_ADDR memaddr, char *buf, int len,
+target_xfer_memory_partial (CORE_ADDR memaddr, char *myaddr, int len,
int write_p, int *err)
{
int res;
- int err_res;
- int len_res;
- struct target_ops *t;
- struct target_stack_item *item;
+ int reg_len;
+ struct mem_region *region;
/* Zero length requests are ok and require no work. */
if (len == 0)
return 0;
}
- /* The quick case is that the top target does it all. */
- res = current_target.to_xfer_memory (memaddr, buf, len, write_p, ¤t_target);
- if (res > 0)
- {
- *err = 0;
- return res;
- }
-
- /* xfer memory doesn't always reliably set errno. */
- errno = 0;
+ region = lookup_mem_region(memaddr);
+ if (memaddr + len < region->hi)
+ reg_len = len;
+ else
+ reg_len = region->hi - memaddr;
- /* Try all levels of the target stack to see one can handle it. */
- for (item = target_stack; item; item = item->next)
+ switch (region->attrib.mode)
{
- t = item->target_ops;
- if (!t->to_has_memory)
- continue;
- res = t->to_xfer_memory (memaddr, buf, len, write_p, t);
- if (res > 0)
+ case MEM_RO:
+ if (write_p)
{
- /* Handled all or part of xfer */
- *err = 0;
- return res;
+ *err = EIO;
+ return -1;
}
- if (t->to_has_all_memory)
- break;
+ break;
+
+ case MEM_WO:
+ if (write_p)
+ {
+ *err = EIO;
+ return -1;
+ }
+ break;
}
- /* Total failure. Return error. */
- if (errno != 0)
+ if (region->attrib.cache)
+ res = dcache_xfer_memory (target_dcache, memaddr, myaddr,
+ reg_len, write_p);
+ else
+ res = do_xfer_memory (memaddr, myaddr, reg_len, write_p,
+ ®ion->attrib);
+
+ if (res <= 0)
{
- *err = errno;
- return -1;
+ if (errno != 0)
+ *err = errno;
+ else
+ *err = EIO;
+
+ return -1;
}
- *err = EIO;
- return -1;
+
+ *err = 0;
+ return res;
}
int
return target_xfer_memory_partial (memaddr, buf, len, 1, err);
}
-/* ARGSUSED */
+/* More generic transfers. */
+
+static LONGEST
+default_xfer_partial (struct target_ops *ops, enum target_object object,
+ const char *annex, void *readbuf,
+ const void *writebuf, ULONGEST offset, LONGEST len)
+{
+ if (object == TARGET_OBJECT_MEMORY
+ && ops->to_xfer_memory != NULL)
+ /* If available, fall back to the target's "to_xfer_memory"
+ method. */
+ {
+ int xfered = -1;
+ errno = 0;
+ if (writebuf != NULL)
+ {
+ void *buffer = xmalloc (len);
+ struct cleanup *cleanup = make_cleanup (xfree, buffer);
+ memcpy (buffer, writebuf, len);
+ xfered = ops->to_xfer_memory (offset, buffer, len, 1/*write*/, NULL,
+ ops);
+ do_cleanups (cleanup);
+ }
+ if (readbuf != NULL)
+ xfered = ops->to_xfer_memory (offset, readbuf, len, 0/*read*/, NULL,
+ ops);
+ if (xfered > 0)
+ return xfered;
+ else if (xfered == 0 && errno == 0)
+ /* "to_xfer_memory" uses 0, cross checked against ERRNO as one
+ indication of an error. */
+ return 0;
+ else
+ return -1;
+ }
+ else if (ops->beneath != NULL)
+ return ops->beneath->to_xfer_partial (ops->beneath, object, annex,
+ readbuf, writebuf, offset, len);
+ else
+ return -1;
+}
+
+/* Target vector read/write partial wrapper functions.
+
+ NOTE: cagney/2003-10-21: I wonder if having "to_xfer_partial
+ (inbuf, outbuf)", instead of separate read/write methods, make life
+ easier. */
+
+LONGEST
+target_read_partial (struct target_ops *ops,
+ enum target_object object,
+ const char *annex, void *buf,
+ ULONGEST offset, LONGEST len)
+{
+ gdb_assert (ops->to_xfer_partial != NULL);
+ return ops->to_xfer_partial (ops, object, annex, buf, NULL, offset, len);
+}
+
+LONGEST
+target_write_partial (struct target_ops *ops,
+ enum target_object object,
+ const char *annex, const void *buf,
+ ULONGEST offset, LONGEST len)
+{
+ gdb_assert (ops->to_xfer_partial != NULL);
+ return ops->to_xfer_partial (ops, object, annex, NULL, buf, offset, len);
+}
+
+/* Wrappers to perform the full transfer. */
+LONGEST
+target_read (struct target_ops *ops,
+ enum target_object object,
+ const char *annex, void *buf,
+ ULONGEST offset, LONGEST len)
+{
+ LONGEST xfered = 0;
+ while (xfered < len)
+ {
+ LONGEST xfer = target_read_partial (ops, object, annex,
+ (bfd_byte *) buf + xfered,
+ offset + xfered, len - xfered);
+ /* Call an observer, notifying them of the xfer progress? */
+ if (xfer <= 0)
+ /* Call memory_error? */
+ return -1;
+ xfered += xfer;
+ QUIT;
+ }
+ return len;
+}
+
+LONGEST
+target_write (struct target_ops *ops,
+ enum target_object object,
+ const char *annex, const void *buf,
+ ULONGEST offset, LONGEST len)
+{
+ LONGEST xfered = 0;
+ while (xfered < len)
+ {
+ LONGEST xfer = target_write_partial (ops, object, annex,
+ (bfd_byte *) buf + xfered,
+ offset + xfered, len - xfered);
+ /* Call an observer, notifying them of the xfer progress? */
+ if (xfer <= 0)
+ /* Call memory_error? */
+ return -1;
+ xfered += xfer;
+ QUIT;
+ }
+ return len;
+}
+
+/* Memory transfer methods. */
+
+void
+get_target_memory (struct target_ops *ops, CORE_ADDR addr, void *buf,
+ LONGEST len)
+{
+ if (target_read (ops, TARGET_OBJECT_MEMORY, NULL, buf, addr, len)
+ != len)
+ memory_error (EIO, addr);
+}
+
+ULONGEST
+get_target_memory_unsigned (struct target_ops *ops,
+ CORE_ADDR addr, int len)
+{
+ char buf[sizeof (ULONGEST)];
+
+ gdb_assert (len <= sizeof (buf));
+ get_target_memory (ops, addr, buf, len);
+ return extract_unsigned_integer (buf, len);
+}
+
static void
-target_info (args, from_tty)
- char *args;
- int from_tty;
+target_info (char *args, int from_tty)
{
struct target_ops *t;
- struct target_stack_item *item;
int has_all_mem = 0;
if (symfile_objfile != NULL)
return;
#endif
- for (item = target_stack; item; item = item->next)
+ for (t = target_stack; t != NULL; t = t->beneath)
{
- t = item->target_ops;
-
if (!t->to_has_memory)
continue;
anything. */
void
-target_preopen (from_tty)
- int from_tty;
+target_preopen (int from_tty)
{
dont_repeat ();
/* Detach a target after doing deferred register stores. */
void
-target_detach (args, from_tty)
- char *args;
- int from_tty;
+target_detach (char *args, int from_tty)
{
/* Handle any optimized stores to the inferior. */
#ifdef DO_DEFERRED_STORES
}
void
-target_link (modname, t_reloc)
- char *modname;
- CORE_ADDR *t_reloc;
+target_disconnect (char *args, int from_tty)
+{
+ /* Handle any optimized stores to the inferior. */
+#ifdef DO_DEFERRED_STORES
+ DO_DEFERRED_STORES;
+#endif
+ (current_target.to_disconnect) (args, from_tty);
+}
+
+void
+target_link (char *modname, CORE_ADDR *t_reloc)
{
- if (STREQ (current_target.to_shortname, "rombug"))
+ if (DEPRECATED_STREQ (current_target.to_shortname, "rombug"))
{
(current_target.to_lookup_symbol) (modname, t_reloc);
if (*t_reloc == 0)
Result is always valid (error() is called for errors). */
static struct target_ops *
-find_default_run_target (do_mesg)
- char *do_mesg;
+find_default_run_target (char *do_mesg)
{
struct target_ops **t;
struct target_ops *runable = NULL;
}
void
-find_default_attach (args, from_tty)
- char *args;
- int from_tty;
+find_default_attach (char *args, int from_tty)
{
struct target_ops *t;
}
void
-find_default_require_attach (args, from_tty)
- char *args;
- int from_tty;
-{
- struct target_ops *t;
-
- t = find_default_run_target ("require_attach");
- (t->to_require_attach) (args, from_tty);
- return;
-}
-
-void
-find_default_require_detach (pid, args, from_tty)
- int pid;
- char *args;
- int from_tty;
-{
- struct target_ops *t;
-
- t = find_default_run_target ("require_detach");
- (t->to_require_detach) (pid, args, from_tty);
- return;
-}
-
-void
-find_default_create_inferior (exec_file, allargs, env)
- char *exec_file;
- char *allargs;
- char **env;
+find_default_create_inferior (char *exec_file, char *allargs, char **env)
{
struct target_ops *t;
return;
}
-void
-find_default_clone_and_follow_inferior (child_pid, followed_child)
- int child_pid;
- int *followed_child;
+static int
+default_region_size_ok_for_hw_watchpoint (int byte_count)
{
- struct target_ops *t;
-
- t = find_default_run_target ("run");
- (t->to_clone_and_follow_inferior) (child_pid, followed_child);
- return;
+ return (byte_count <= TYPE_LENGTH (builtin_type_void_data_ptr));
}
static int
-return_zero ()
+return_zero (void)
{
return 0;
}
static int
-return_one ()
+return_one (void)
{
return 1;
}
+static int
+return_minus_one (void)
+{
+ return -1;
+}
+
/*
* Resize the to_sections pointer. Also make sure that anyone that
* was holding on to an old value of it gets updated.
}
-/* Find a single runnable target in the stack and return it. If for
- some reason there is more than one, return NULL. */
+/* Remove all target sections taken from ABFD.
-struct target_ops *
-find_run_target ()
+ Scan the current target stack for targets whose section tables
+ refer to sections from BFD, and remove those sections. We use this
+ when we notice that the inferior has unloaded a shared object, for
+ example. */
+void
+remove_target_sections (bfd *abfd)
{
struct target_ops **t;
- struct target_ops *runable = NULL;
- int count;
-
- count = 0;
- for (t = target_structs; t < target_structs + target_struct_size; ++t)
+ for (t = target_structs; t < target_structs + target_struct_size; t++)
{
- if ((*t)->to_can_run && target_can_run (*t))
- {
- runable = *t;
- ++count;
- }
+ struct section_table *src, *dest;
+
+ dest = (*t)->to_sections;
+ for (src = (*t)->to_sections; src < (*t)->to_sections_end; src++)
+ if (src->bfd != abfd)
+ {
+ /* Keep this section. */
+ if (dest < src) *dest = *src;
+ dest++;
+ }
+
+ /* If we've dropped any sections, resize the section table. */
+ if (dest < src)
+ target_resize_to_sections (*t, dest - src);
}
-
- return (count == 1 ? runable : NULL);
}
-/* Find a single core_stratum target in the list of targets and return it.
- If for some reason there is more than one, return NULL. */
+
+
+
+/* Find a single runnable target in the stack and return it. If for
+ some reason there is more than one, return NULL. */
struct target_ops *
-find_core_target ()
+find_run_target (void)
{
struct target_ops **t;
struct target_ops *runable = NULL;
count = 0;
- for (t = target_structs; t < target_structs + target_struct_size;
- ++t)
+ for (t = target_structs; t < target_structs + target_struct_size; ++t)
{
- if ((*t)->to_stratum == core_stratum)
+ if ((*t)->to_can_run && target_can_run (*t))
{
runable = *t;
++count;
}
return (count == 1 ? runable : NULL);
-}
-
-/*
- * Find the next target down the stack from the specified target.
- */
-
-struct target_ops *
-find_target_beneath (t)
- struct target_ops *t;
-{
- struct target_stack_item *cur;
-
- for (cur = target_stack; cur; cur = cur->next)
- if (cur->target_ops == t)
- break;
-
- if (cur == NULL || cur->next == NULL)
- return NULL;
- else
- return cur->next->target_ops;
-}
-
-\f
-/* The inferior process has died. Long live the inferior! */
-
-void
-generic_mourn_inferior ()
-{
- extern int show_breakpoint_hit_counts;
-
- inferior_pid = 0;
- attach_flag = 0;
- breakpoint_init_inferior (inf_exited);
- registers_changed ();
-
-#ifdef CLEAR_DEFERRED_STORES
- /* Delete any pending stores to the inferior... */
- CLEAR_DEFERRED_STORES;
-#endif
-
- reopen_exec_file ();
- reinit_frame_cache ();
-
- /* It is confusing to the user for ignore counts to stick around
- from previous runs of the inferior. So clear them. */
- /* However, it is more confusing for the ignore counts to disappear when
- using hit counts. So don't clear them if we're counting hits. */
- if (!show_breakpoint_hit_counts)
- breakpoint_clear_ignore_counts ();
-}
-\f
-/* This table must match in order and size the signals in enum target_signal
- in target.h. */
-/* *INDENT-OFF* */
-static struct {
- char *name;
- char *string;
- } signals [] =
-{
- {"0", "Signal 0"},
- {"SIGHUP", "Hangup"},
- {"SIGINT", "Interrupt"},
- {"SIGQUIT", "Quit"},
- {"SIGILL", "Illegal instruction"},
- {"SIGTRAP", "Trace/breakpoint trap"},
- {"SIGABRT", "Aborted"},
- {"SIGEMT", "Emulation trap"},
- {"SIGFPE", "Arithmetic exception"},
- {"SIGKILL", "Killed"},
- {"SIGBUS", "Bus error"},
- {"SIGSEGV", "Segmentation fault"},
- {"SIGSYS", "Bad system call"},
- {"SIGPIPE", "Broken pipe"},
- {"SIGALRM", "Alarm clock"},
- {"SIGTERM", "Terminated"},
- {"SIGURG", "Urgent I/O condition"},
- {"SIGSTOP", "Stopped (signal)"},
- {"SIGTSTP", "Stopped (user)"},
- {"SIGCONT", "Continued"},
- {"SIGCHLD", "Child status changed"},
- {"SIGTTIN", "Stopped (tty input)"},
- {"SIGTTOU", "Stopped (tty output)"},
- {"SIGIO", "I/O possible"},
- {"SIGXCPU", "CPU time limit exceeded"},
- {"SIGXFSZ", "File size limit exceeded"},
- {"SIGVTALRM", "Virtual timer expired"},
- {"SIGPROF", "Profiling timer expired"},
- {"SIGWINCH", "Window size changed"},
- {"SIGLOST", "Resource lost"},
- {"SIGUSR1", "User defined signal 1"},
- {"SIGUSR2", "User defined signal 2"},
- {"SIGPWR", "Power fail/restart"},
- {"SIGPOLL", "Pollable event occurred"},
- {"SIGWIND", "SIGWIND"},
- {"SIGPHONE", "SIGPHONE"},
- {"SIGWAITING", "Process's LWPs are blocked"},
- {"SIGLWP", "Signal LWP"},
- {"SIGDANGER", "Swap space dangerously low"},
- {"SIGGRANT", "Monitor mode granted"},
- {"SIGRETRACT", "Need to relinquish monitor mode"},
- {"SIGMSG", "Monitor mode data available"},
- {"SIGSOUND", "Sound completed"},
- {"SIGSAK", "Secure attention"},
- {"SIGPRIO", "SIGPRIO"},
- {"SIG33", "Real-time event 33"},
- {"SIG34", "Real-time event 34"},
- {"SIG35", "Real-time event 35"},
- {"SIG36", "Real-time event 36"},
- {"SIG37", "Real-time event 37"},
- {"SIG38", "Real-time event 38"},
- {"SIG39", "Real-time event 39"},
- {"SIG40", "Real-time event 40"},
- {"SIG41", "Real-time event 41"},
- {"SIG42", "Real-time event 42"},
- {"SIG43", "Real-time event 43"},
- {"SIG44", "Real-time event 44"},
- {"SIG45", "Real-time event 45"},
- {"SIG46", "Real-time event 46"},
- {"SIG47", "Real-time event 47"},
- {"SIG48", "Real-time event 48"},
- {"SIG49", "Real-time event 49"},
- {"SIG50", "Real-time event 50"},
- {"SIG51", "Real-time event 51"},
- {"SIG52", "Real-time event 52"},
- {"SIG53", "Real-time event 53"},
- {"SIG54", "Real-time event 54"},
- {"SIG55", "Real-time event 55"},
- {"SIG56", "Real-time event 56"},
- {"SIG57", "Real-time event 57"},
- {"SIG58", "Real-time event 58"},
- {"SIG59", "Real-time event 59"},
- {"SIG60", "Real-time event 60"},
- {"SIG61", "Real-time event 61"},
- {"SIG62", "Real-time event 62"},
- {"SIG63", "Real-time event 63"},
- {"SIGCANCEL", "LWP internal signal"},
- {"SIG32", "Real-time event 32"},
-
-#if defined(MACH) || defined(__MACH__)
- /* Mach exceptions */
- {"EXC_BAD_ACCESS", "Could not access memory"},
- {"EXC_BAD_INSTRUCTION", "Illegal instruction/operand"},
- {"EXC_ARITHMETIC", "Arithmetic exception"},
- {"EXC_EMULATION", "Emulation instruction"},
- {"EXC_SOFTWARE", "Software generated exception"},
- {"EXC_BREAKPOINT", "Breakpoint"},
-#endif
- {"SIGINFO", "Information request"},
-
- {NULL, "Unknown signal"},
- {NULL, "Internal error: printing TARGET_SIGNAL_DEFAULT"},
-
- /* Last entry, used to check whether the table is the right size. */
- {NULL, "TARGET_SIGNAL_MAGIC"}
-};
-/* *INDENT-ON* */
-
-
-
-/* Return the string for a signal. */
-char *
-target_signal_to_string (sig)
- enum target_signal sig;
-{
- if ((sig >= TARGET_SIGNAL_FIRST) && (sig <= TARGET_SIGNAL_LAST))
- return signals[sig].string;
- else
- return signals[TARGET_SIGNAL_UNKNOWN].string;
-}
-
-/* Return the name for a signal. */
-char *
-target_signal_to_name (sig)
- enum target_signal sig;
-{
- if (sig == TARGET_SIGNAL_UNKNOWN)
- /* I think the code which prints this will always print it along with
- the string, so no need to be verbose. */
- return "?";
- return signals[sig].name;
-}
-
-/* Given a name, return its signal. */
-enum target_signal
-target_signal_from_name (name)
- char *name;
-{
- enum target_signal sig;
-
- /* It's possible we also should allow "SIGCLD" as well as "SIGCHLD"
- for TARGET_SIGNAL_SIGCHLD. SIGIOT, on the other hand, is more
- questionable; seems like by now people should call it SIGABRT
- instead. */
-
- /* This ugly cast brought to you by the native VAX compiler. */
- for (sig = TARGET_SIGNAL_HUP;
- signals[sig].name != NULL;
- sig = (enum target_signal) ((int) sig + 1))
- if (STREQ (name, signals[sig].name))
- return sig;
- return TARGET_SIGNAL_UNKNOWN;
-}
-\f
-/* The following functions are to help certain targets deal
- with the signal/waitstatus stuff. They could just as well be in
- a file called native-utils.c or unixwaitstatus-utils.c or whatever. */
-
-/* Convert host signal to our signals. */
-enum target_signal
-target_signal_from_host (hostsig)
- int hostsig;
-{
- /* A switch statement would make sense but would require special kludges
- to deal with the cases where more than one signal has the same number. */
-
- if (hostsig == 0)
- return TARGET_SIGNAL_0;
-
-#if defined (SIGHUP)
- if (hostsig == SIGHUP)
- return TARGET_SIGNAL_HUP;
-#endif
-#if defined (SIGINT)
- if (hostsig == SIGINT)
- return TARGET_SIGNAL_INT;
-#endif
-#if defined (SIGQUIT)
- if (hostsig == SIGQUIT)
- return TARGET_SIGNAL_QUIT;
-#endif
-#if defined (SIGILL)
- if (hostsig == SIGILL)
- return TARGET_SIGNAL_ILL;
-#endif
-#if defined (SIGTRAP)
- if (hostsig == SIGTRAP)
- return TARGET_SIGNAL_TRAP;
-#endif
-#if defined (SIGABRT)
- if (hostsig == SIGABRT)
- return TARGET_SIGNAL_ABRT;
-#endif
-#if defined (SIGEMT)
- if (hostsig == SIGEMT)
- return TARGET_SIGNAL_EMT;
-#endif
-#if defined (SIGFPE)
- if (hostsig == SIGFPE)
- return TARGET_SIGNAL_FPE;
-#endif
-#if defined (SIGKILL)
- if (hostsig == SIGKILL)
- return TARGET_SIGNAL_KILL;
-#endif
-#if defined (SIGBUS)
- if (hostsig == SIGBUS)
- return TARGET_SIGNAL_BUS;
-#endif
-#if defined (SIGSEGV)
- if (hostsig == SIGSEGV)
- return TARGET_SIGNAL_SEGV;
-#endif
-#if defined (SIGSYS)
- if (hostsig == SIGSYS)
- return TARGET_SIGNAL_SYS;
-#endif
-#if defined (SIGPIPE)
- if (hostsig == SIGPIPE)
- return TARGET_SIGNAL_PIPE;
-#endif
-#if defined (SIGALRM)
- if (hostsig == SIGALRM)
- return TARGET_SIGNAL_ALRM;
-#endif
-#if defined (SIGTERM)
- if (hostsig == SIGTERM)
- return TARGET_SIGNAL_TERM;
-#endif
-#if defined (SIGUSR1)
- if (hostsig == SIGUSR1)
- return TARGET_SIGNAL_USR1;
-#endif
-#if defined (SIGUSR2)
- if (hostsig == SIGUSR2)
- return TARGET_SIGNAL_USR2;
-#endif
-#if defined (SIGCLD)
- if (hostsig == SIGCLD)
- return TARGET_SIGNAL_CHLD;
-#endif
-#if defined (SIGCHLD)
- if (hostsig == SIGCHLD)
- return TARGET_SIGNAL_CHLD;
-#endif
-#if defined (SIGPWR)
- if (hostsig == SIGPWR)
- return TARGET_SIGNAL_PWR;
-#endif
-#if defined (SIGWINCH)
- if (hostsig == SIGWINCH)
- return TARGET_SIGNAL_WINCH;
-#endif
-#if defined (SIGURG)
- if (hostsig == SIGURG)
- return TARGET_SIGNAL_URG;
-#endif
-#if defined (SIGIO)
- if (hostsig == SIGIO)
- return TARGET_SIGNAL_IO;
-#endif
-#if defined (SIGPOLL)
- if (hostsig == SIGPOLL)
- return TARGET_SIGNAL_POLL;
-#endif
-#if defined (SIGSTOP)
- if (hostsig == SIGSTOP)
- return TARGET_SIGNAL_STOP;
-#endif
-#if defined (SIGTSTP)
- if (hostsig == SIGTSTP)
- return TARGET_SIGNAL_TSTP;
-#endif
-#if defined (SIGCONT)
- if (hostsig == SIGCONT)
- return TARGET_SIGNAL_CONT;
-#endif
-#if defined (SIGTTIN)
- if (hostsig == SIGTTIN)
- return TARGET_SIGNAL_TTIN;
-#endif
-#if defined (SIGTTOU)
- if (hostsig == SIGTTOU)
- return TARGET_SIGNAL_TTOU;
-#endif
-#if defined (SIGVTALRM)
- if (hostsig == SIGVTALRM)
- return TARGET_SIGNAL_VTALRM;
-#endif
-#if defined (SIGPROF)
- if (hostsig == SIGPROF)
- return TARGET_SIGNAL_PROF;
-#endif
-#if defined (SIGXCPU)
- if (hostsig == SIGXCPU)
- return TARGET_SIGNAL_XCPU;
-#endif
-#if defined (SIGXFSZ)
- if (hostsig == SIGXFSZ)
- return TARGET_SIGNAL_XFSZ;
-#endif
-#if defined (SIGWIND)
- if (hostsig == SIGWIND)
- return TARGET_SIGNAL_WIND;
-#endif
-#if defined (SIGPHONE)
- if (hostsig == SIGPHONE)
- return TARGET_SIGNAL_PHONE;
-#endif
-#if defined (SIGLOST)
- if (hostsig == SIGLOST)
- return TARGET_SIGNAL_LOST;
-#endif
-#if defined (SIGWAITING)
- if (hostsig == SIGWAITING)
- return TARGET_SIGNAL_WAITING;
-#endif
-#if defined (SIGCANCEL)
- if (hostsig == SIGCANCEL)
- return TARGET_SIGNAL_CANCEL;
-#endif
-#if defined (SIGLWP)
- if (hostsig == SIGLWP)
- return TARGET_SIGNAL_LWP;
-#endif
-#if defined (SIGDANGER)
- if (hostsig == SIGDANGER)
- return TARGET_SIGNAL_DANGER;
-#endif
-#if defined (SIGGRANT)
- if (hostsig == SIGGRANT)
- return TARGET_SIGNAL_GRANT;
-#endif
-#if defined (SIGRETRACT)
- if (hostsig == SIGRETRACT)
- return TARGET_SIGNAL_RETRACT;
-#endif
-#if defined (SIGMSG)
- if (hostsig == SIGMSG)
- return TARGET_SIGNAL_MSG;
-#endif
-#if defined (SIGSOUND)
- if (hostsig == SIGSOUND)
- return TARGET_SIGNAL_SOUND;
-#endif
-#if defined (SIGSAK)
- if (hostsig == SIGSAK)
- return TARGET_SIGNAL_SAK;
-#endif
-#if defined (SIGPRIO)
- if (hostsig == SIGPRIO)
- return TARGET_SIGNAL_PRIO;
-#endif
-
- /* Mach exceptions. Assumes that the values for EXC_ are positive! */
-#if defined (EXC_BAD_ACCESS) && defined (_NSIG)
- if (hostsig == _NSIG + EXC_BAD_ACCESS)
- return TARGET_EXC_BAD_ACCESS;
-#endif
-#if defined (EXC_BAD_INSTRUCTION) && defined (_NSIG)
- if (hostsig == _NSIG + EXC_BAD_INSTRUCTION)
- return TARGET_EXC_BAD_INSTRUCTION;
-#endif
-#if defined (EXC_ARITHMETIC) && defined (_NSIG)
- if (hostsig == _NSIG + EXC_ARITHMETIC)
- return TARGET_EXC_ARITHMETIC;
-#endif
-#if defined (EXC_EMULATION) && defined (_NSIG)
- if (hostsig == _NSIG + EXC_EMULATION)
- return TARGET_EXC_EMULATION;
-#endif
-#if defined (EXC_SOFTWARE) && defined (_NSIG)
- if (hostsig == _NSIG + EXC_SOFTWARE)
- return TARGET_EXC_SOFTWARE;
-#endif
-#if defined (EXC_BREAKPOINT) && defined (_NSIG)
- if (hostsig == _NSIG + EXC_BREAKPOINT)
- return TARGET_EXC_BREAKPOINT;
-#endif
-
-#if defined (SIGINFO)
- if (hostsig == SIGINFO)
- return TARGET_SIGNAL_INFO;
-#endif
-
-#if defined (REALTIME_LO)
- if (hostsig >= REALTIME_LO && hostsig < REALTIME_HI)
- {
- /* This block of TARGET_SIGNAL_REALTIME value is in order. */
- if (33 <= hostsig && hostsig <= 63)
- return (enum target_signal)
- (hostsig - 33 + (int) TARGET_SIGNAL_REALTIME_33);
- else if (hostsig == 32)
- return TARGET_SIGNAL_REALTIME_32;
- else
- error ("GDB bug: target.c (target_signal_from_host): unrecognized real-time signal");
- }
-#endif
- return TARGET_SIGNAL_UNKNOWN;
-}
-
-/* Convert a OURSIG (an enum target_signal) to the form used by the
- target operating system (refered to as the ``host'') or zero if the
- equivalent host signal is not available. Set/clear OURSIG_OK
- accordingly. */
-
-static int
-do_target_signal_to_host (enum target_signal oursig,
- int *oursig_ok)
-{
- *oursig_ok = 1;
- switch (oursig)
- {
- case TARGET_SIGNAL_0:
- return 0;
-
-#if defined (SIGHUP)
- case TARGET_SIGNAL_HUP:
- return SIGHUP;
-#endif
-#if defined (SIGINT)
- case TARGET_SIGNAL_INT:
- return SIGINT;
-#endif
-#if defined (SIGQUIT)
- case TARGET_SIGNAL_QUIT:
- return SIGQUIT;
-#endif
-#if defined (SIGILL)
- case TARGET_SIGNAL_ILL:
- return SIGILL;
-#endif
-#if defined (SIGTRAP)
- case TARGET_SIGNAL_TRAP:
- return SIGTRAP;
-#endif
-#if defined (SIGABRT)
- case TARGET_SIGNAL_ABRT:
- return SIGABRT;
-#endif
-#if defined (SIGEMT)
- case TARGET_SIGNAL_EMT:
- return SIGEMT;
-#endif
-#if defined (SIGFPE)
- case TARGET_SIGNAL_FPE:
- return SIGFPE;
-#endif
-#if defined (SIGKILL)
- case TARGET_SIGNAL_KILL:
- return SIGKILL;
-#endif
-#if defined (SIGBUS)
- case TARGET_SIGNAL_BUS:
- return SIGBUS;
-#endif
-#if defined (SIGSEGV)
- case TARGET_SIGNAL_SEGV:
- return SIGSEGV;
-#endif
-#if defined (SIGSYS)
- case TARGET_SIGNAL_SYS:
- return SIGSYS;
-#endif
-#if defined (SIGPIPE)
- case TARGET_SIGNAL_PIPE:
- return SIGPIPE;
-#endif
-#if defined (SIGALRM)
- case TARGET_SIGNAL_ALRM:
- return SIGALRM;
-#endif
-#if defined (SIGTERM)
- case TARGET_SIGNAL_TERM:
- return SIGTERM;
-#endif
-#if defined (SIGUSR1)
- case TARGET_SIGNAL_USR1:
- return SIGUSR1;
-#endif
-#if defined (SIGUSR2)
- case TARGET_SIGNAL_USR2:
- return SIGUSR2;
-#endif
-#if defined (SIGCHLD) || defined (SIGCLD)
- case TARGET_SIGNAL_CHLD:
-#if defined (SIGCHLD)
- return SIGCHLD;
-#else
- return SIGCLD;
-#endif
-#endif /* SIGCLD or SIGCHLD */
-#if defined (SIGPWR)
- case TARGET_SIGNAL_PWR:
- return SIGPWR;
-#endif
-#if defined (SIGWINCH)
- case TARGET_SIGNAL_WINCH:
- return SIGWINCH;
-#endif
-#if defined (SIGURG)
- case TARGET_SIGNAL_URG:
- return SIGURG;
-#endif
-#if defined (SIGIO)
- case TARGET_SIGNAL_IO:
- return SIGIO;
-#endif
-#if defined (SIGPOLL)
- case TARGET_SIGNAL_POLL:
- return SIGPOLL;
-#endif
-#if defined (SIGSTOP)
- case TARGET_SIGNAL_STOP:
- return SIGSTOP;
-#endif
-#if defined (SIGTSTP)
- case TARGET_SIGNAL_TSTP:
- return SIGTSTP;
-#endif
-#if defined (SIGCONT)
- case TARGET_SIGNAL_CONT:
- return SIGCONT;
-#endif
-#if defined (SIGTTIN)
- case TARGET_SIGNAL_TTIN:
- return SIGTTIN;
-#endif
-#if defined (SIGTTOU)
- case TARGET_SIGNAL_TTOU:
- return SIGTTOU;
-#endif
-#if defined (SIGVTALRM)
- case TARGET_SIGNAL_VTALRM:
- return SIGVTALRM;
-#endif
-#if defined (SIGPROF)
- case TARGET_SIGNAL_PROF:
- return SIGPROF;
-#endif
-#if defined (SIGXCPU)
- case TARGET_SIGNAL_XCPU:
- return SIGXCPU;
-#endif
-#if defined (SIGXFSZ)
- case TARGET_SIGNAL_XFSZ:
- return SIGXFSZ;
-#endif
-#if defined (SIGWIND)
- case TARGET_SIGNAL_WIND:
- return SIGWIND;
-#endif
-#if defined (SIGPHONE)
- case TARGET_SIGNAL_PHONE:
- return SIGPHONE;
-#endif
-#if defined (SIGLOST)
- case TARGET_SIGNAL_LOST:
- return SIGLOST;
-#endif
-#if defined (SIGWAITING)
- case TARGET_SIGNAL_WAITING:
- return SIGWAITING;
-#endif
-#if defined (SIGCANCEL)
- case TARGET_SIGNAL_CANCEL:
- return SIGCANCEL;
-#endif
-#if defined (SIGLWP)
- case TARGET_SIGNAL_LWP:
- return SIGLWP;
-#endif
-#if defined (SIGDANGER)
- case TARGET_SIGNAL_DANGER:
- return SIGDANGER;
-#endif
-#if defined (SIGGRANT)
- case TARGET_SIGNAL_GRANT:
- return SIGGRANT;
-#endif
-#if defined (SIGRETRACT)
- case TARGET_SIGNAL_RETRACT:
- return SIGRETRACT;
-#endif
-#if defined (SIGMSG)
- case TARGET_SIGNAL_MSG:
- return SIGMSG;
-#endif
-#if defined (SIGSOUND)
- case TARGET_SIGNAL_SOUND:
- return SIGSOUND;
-#endif
-#if defined (SIGSAK)
- case TARGET_SIGNAL_SAK:
- return SIGSAK;
-#endif
-#if defined (SIGPRIO)
- case TARGET_SIGNAL_PRIO:
- return SIGPRIO;
-#endif
+}
- case TARGET_SIGNAL_REALTIME_32: return 32; /* by definition */
+/* Find a single core_stratum target in the list of targets and return it.
+ If for some reason there is more than one, return NULL. */
- /* Mach exceptions. Assumes that the values for EXC_ are positive! */
-#if defined (EXC_BAD_ACCESS) && defined (_NSIG)
- case TARGET_EXC_BAD_ACCESS:
- return _NSIG + EXC_BAD_ACCESS;
-#endif
-#if defined (EXC_BAD_INSTRUCTION) && defined (_NSIG)
- case TARGET_EXC_BAD_INSTRUCTION:
- return _NSIG + EXC_BAD_INSTRUCTION;
-#endif
-#if defined (EXC_ARITHMETIC) && defined (_NSIG)
- case TARGET_EXC_ARITHMETIC:
- return _NSIG + EXC_ARITHMETIC;
-#endif
-#if defined (EXC_EMULATION) && defined (_NSIG)
- case TARGET_EXC_EMULATION:
- return _NSIG + EXC_EMULATION;
-#endif
-#if defined (EXC_SOFTWARE) && defined (_NSIG)
- case TARGET_EXC_SOFTWARE:
- return _NSIG + EXC_SOFTWARE;
-#endif
-#if defined (EXC_BREAKPOINT) && defined (_NSIG)
- case TARGET_EXC_BREAKPOINT:
- return _NSIG + EXC_BREAKPOINT;
-#endif
+struct target_ops *
+find_core_target (void)
+{
+ struct target_ops **t;
+ struct target_ops *runable = NULL;
+ int count;
-#if defined (SIGINFO)
- case TARGET_SIGNAL_INFO:
- return SIGINFO;
-#endif
+ count = 0;
- default:
-#if defined (REALTIME_LO)
- if (oursig >= TARGET_SIGNAL_REALTIME_33
- && oursig <= TARGET_SIGNAL_REALTIME_63)
+ for (t = target_structs; t < target_structs + target_struct_size;
+ ++t)
+ {
+ if ((*t)->to_stratum == core_stratum)
{
- int retsig =
- (int) oursig - (int) TARGET_SIGNAL_REALTIME_33 + REALTIME_LO;
- if (retsig < REALTIME_HI)
- return retsig;
+ runable = *t;
+ ++count;
}
-#endif
- *oursig_ok = 0;
- return 0;
}
+
+ return (count == 1 ? runable : NULL);
}
-int
-target_signal_to_host_p (enum target_signal oursig)
+/*
+ * Find the next target down the stack from the specified target.
+ */
+
+struct target_ops *
+find_target_beneath (struct target_ops *t)
{
- int oursig_ok;
- do_target_signal_to_host (oursig, &oursig_ok);
- return oursig_ok;
+ return t->beneath;
}
-int
-target_signal_to_host (enum target_signal oursig)
+\f
+/* The inferior process has died. Long live the inferior! */
+
+void
+generic_mourn_inferior (void)
{
- int oursig_ok;
- int targ_signo = do_target_signal_to_host (oursig, &oursig_ok);
- if (!oursig_ok)
- {
- /* The user might be trying to do "signal SIGSAK" where this system
- doesn't have SIGSAK. */
- warning ("Signal %s does not exist on this system.\n",
- target_signal_to_name (oursig));
- return 0;
- }
- else
- return targ_signo;
-}
+ extern int show_breakpoint_hit_counts;
+
+ inferior_ptid = null_ptid;
+ attach_flag = 0;
+ breakpoint_init_inferior (inf_exited);
+ registers_changed ();
+#ifdef CLEAR_DEFERRED_STORES
+ /* Delete any pending stores to the inferior... */
+ CLEAR_DEFERRED_STORES;
+#endif
+
+ reopen_exec_file ();
+ reinit_frame_cache ();
+
+ /* It is confusing to the user for ignore counts to stick around
+ from previous runs of the inferior. So clear them. */
+ /* However, it is more confusing for the ignore counts to disappear when
+ using hit counts. So don't clear them if we're counting hits. */
+ if (!show_breakpoint_hit_counts)
+ breakpoint_clear_ignore_counts ();
+
+ if (detach_hook)
+ detach_hook ();
+}
+\f
/* Helper function for child_wait and the Lynx derivatives of child_wait.
HOSTSTATUS is the waitstatus from wait() or the equivalent; store our
translation of that in OURSTATUS. */
void
-store_waitstatus (ourstatus, hoststatus)
- struct target_waitstatus *ourstatus;
- int hoststatus;
+store_waitstatus (struct target_waitstatus *ourstatus, int hoststatus)
{
#ifdef CHILD_SPECIAL_WAITSTATUS
/* CHILD_SPECIAL_WAITSTATUS should return nonzero and set *OURSTATUS
}
}
\f
-/* In some circumstances we allow a command to specify a numeric
- signal. The idea is to keep these circumstances limited so that
- users (and scripts) develop portable habits. For comparison,
- POSIX.2 `kill' requires that 1,2,3,6,9,14, and 15 work (and using a
- numeric signal at all is obscelescent. We are slightly more
- lenient and allow 1-15 which should match host signal numbers on
- most systems. Use of symbolic signal names is strongly encouraged. */
-
-enum target_signal
-target_signal_from_command (num)
- int num;
-{
- if (num >= 1 && num <= 15)
- return (enum target_signal) num;
- error ("Only signals 1-15 are valid as numeric signals.\n\
-Use \"info signals\" for a list of symbolic signals.");
-}
-\f
/* Returns zero to leave the inferior alone, one to interrupt it. */
-int (*target_activity_function) PARAMS ((void));
+int (*target_activity_function) (void);
int target_activity_fd;
\f
/* Convert a normal process ID to a string. Returns the string in a static
buffer. */
char *
-normal_pid_to_str (pid)
- int pid;
+normal_pid_to_str (ptid_t ptid)
{
static char buf[30];
- if (STREQ (current_target.to_shortname, "remote"))
- sprintf (buf, "thread %d", pid);
- else
- sprintf (buf, "process %d", pid);
-
+ sprintf (buf, "process %d", PIDGET (ptid));
return buf;
}
-/* Some targets (such as ttrace-based HPUX) don't allow us to request
- notification of inferior events such as fork and vork immediately
- after the inferior is created. (This because of how gdb gets an
- inferior created via invoking a shell to do it. In such a scenario,
- 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.)
+/* Error-catcher for target_find_memory_regions */
+static int dummy_find_memory_regions (int (*ignore1) (), void *ignore2)
+{
+ error ("No target.");
+ return 0;
+}
- This function is used by all targets that allow us to request
- notification of forks, etc at inferior creation time; e.g., in
- target_acknowledge_forked_child.
- */
-static void
-normal_target_post_startup_inferior (pid)
- int pid;
+/* Error-catcher for target_make_corefile_notes */
+static char * dummy_make_corefile_notes (bfd *ignore1, int *ignore2)
{
- /* This space intentionally left blank. */
+ error ("No target.");
+ return NULL;
}
/* Set up the handful of non-empty slots needed by the dummy target
vector. */
static void
-init_dummy_target ()
+init_dummy_target (void)
{
dummy_target.to_shortname = "None";
dummy_target.to_longname = "None";
dummy_target.to_doc = "";
dummy_target.to_attach = find_default_attach;
- dummy_target.to_require_attach = find_default_require_attach;
- dummy_target.to_require_detach = find_default_require_detach;
dummy_target.to_create_inferior = find_default_create_inferior;
- dummy_target.to_clone_and_follow_inferior = find_default_clone_and_follow_inferior;
dummy_target.to_pid_to_str = normal_pid_to_str;
dummy_target.to_stratum = dummy_stratum;
+ dummy_target.to_find_memory_regions = dummy_find_memory_regions;
+ dummy_target.to_make_corefile_notes = dummy_make_corefile_notes;
+ dummy_target.to_xfer_partial = default_xfer_partial;
dummy_target.to_magic = OPS_MAGIC;
}
\f
static struct target_ops debug_target;
static void
-debug_to_open (args, from_tty)
- char *args;
- int from_tty;
+debug_to_open (char *args, int from_tty)
{
debug_target.to_open (args, from_tty);
}
static void
-debug_to_close (quitting)
- int quitting;
+debug_to_close (int quitting)
{
- debug_target.to_close (quitting);
-
+ target_close (&debug_target, quitting);
fprintf_unfiltered (gdb_stdlog, "target_close (%d)\n", quitting);
}
+void
+target_close (struct target_ops *targ, int quitting)
+{
+ if (targ->to_xclose != NULL)
+ targ->to_xclose (targ, quitting);
+ else if (targ->to_close != NULL)
+ targ->to_close (quitting);
+}
+
static void
-debug_to_attach (args, from_tty)
- char *args;
- int from_tty;
+debug_to_attach (char *args, int from_tty)
{
debug_target.to_attach (args, from_tty);
static void
-debug_to_post_attach (pid)
- int pid;
+debug_to_post_attach (int pid)
{
debug_target.to_post_attach (pid);
}
static void
-debug_to_require_attach (args, from_tty)
- char *args;
- int from_tty;
-{
- debug_target.to_require_attach (args, from_tty);
-
- fprintf_unfiltered (gdb_stdlog,
- "target_require_attach (%s, %d)\n", args, from_tty);
-}
-
-static void
-debug_to_detach (args, from_tty)
- char *args;
- int from_tty;
+debug_to_detach (char *args, int from_tty)
{
debug_target.to_detach (args, from_tty);
}
static void
-debug_to_require_detach (pid, args, from_tty)
- int pid;
- char *args;
- int from_tty;
+debug_to_disconnect (char *args, int from_tty)
{
- debug_target.to_require_detach (pid, args, from_tty);
+ debug_target.to_disconnect (args, from_tty);
- fprintf_unfiltered (gdb_stdlog,
- "target_require_detach (%d, %s, %d)\n", pid, args, from_tty);
+ fprintf_unfiltered (gdb_stdlog, "target_disconnect (%s, %d)\n",
+ args, from_tty);
}
static void
-debug_to_resume (pid, step, siggnal)
- int pid;
- int step;
- enum target_signal siggnal;
+debug_to_resume (ptid_t ptid, int step, enum target_signal siggnal)
{
- debug_target.to_resume (pid, step, siggnal);
+ debug_target.to_resume (ptid, step, siggnal);
- fprintf_unfiltered (gdb_stdlog, "target_resume (%d, %s, %s)\n", pid,
+ fprintf_unfiltered (gdb_stdlog, "target_resume (%d, %s, %s)\n", PIDGET (ptid),
step ? "step" : "continue",
target_signal_to_name (siggnal));
}
-static int
-debug_to_wait (pid, status)
- int pid;
- struct target_waitstatus *status;
+static ptid_t
+debug_to_wait (ptid_t ptid, struct target_waitstatus *status)
{
- int retval;
+ ptid_t retval;
- retval = debug_target.to_wait (pid, status);
+ retval = debug_target.to_wait (ptid, status);
fprintf_unfiltered (gdb_stdlog,
- "target_wait (%d, status) = %d, ", pid, retval);
+ "target_wait (%d, status) = %d, ", PIDGET (ptid),
+ PIDGET (retval));
fprintf_unfiltered (gdb_stdlog, "status->kind = ");
switch (status->kind)
{
}
static void
-debug_to_post_wait (pid, status)
- int pid;
- int status;
+debug_to_post_wait (ptid_t ptid, int status)
{
- debug_target.to_post_wait (pid, status);
+ debug_target.to_post_wait (ptid, status);
fprintf_unfiltered (gdb_stdlog, "target_post_wait (%d, %d)\n",
- pid, status);
+ PIDGET (ptid), status);
}
static void
-debug_to_fetch_registers (regno)
- int regno;
+debug_print_register (const char * func, int regno)
{
- debug_target.to_fetch_registers (regno);
-
- fprintf_unfiltered (gdb_stdlog, "target_fetch_registers (%s)",
- regno != -1 ? REGISTER_NAME (regno) : "-1");
- if (regno != -1)
- fprintf_unfiltered (gdb_stdlog, " = 0x%lx %ld",
- (unsigned long) read_register (regno),
- (unsigned long) read_register (regno));
+ fprintf_unfiltered (gdb_stdlog, "%s ", func);
+ if (regno >= 0 && regno < NUM_REGS + NUM_PSEUDO_REGS
+ && REGISTER_NAME (regno) != NULL && REGISTER_NAME (regno)[0] != '\0')
+ fprintf_unfiltered (gdb_stdlog, "(%s)", REGISTER_NAME (regno));
+ else
+ fprintf_unfiltered (gdb_stdlog, "(%d)", regno);
+ if (regno >= 0)
+ {
+ int i;
+ unsigned char buf[MAX_REGISTER_SIZE];
+ deprecated_read_register_gen (regno, buf);
+ fprintf_unfiltered (gdb_stdlog, " = ");
+ for (i = 0; i < DEPRECATED_REGISTER_RAW_SIZE (regno); i++)
+ {
+ fprintf_unfiltered (gdb_stdlog, "%02x", buf[i]);
+ }
+ if (DEPRECATED_REGISTER_RAW_SIZE (regno) <= sizeof (LONGEST))
+ {
+ fprintf_unfiltered (gdb_stdlog, " 0x%s %s",
+ paddr_nz (read_register (regno)),
+ paddr_d (read_register (regno)));
+ }
+ }
fprintf_unfiltered (gdb_stdlog, "\n");
}
static void
-debug_to_store_registers (regno)
- int regno;
+debug_to_fetch_registers (int regno)
{
- debug_target.to_store_registers (regno);
+ debug_target.to_fetch_registers (regno);
+ debug_print_register ("target_fetch_registers", regno);
+}
- if (regno >= 0 && regno < NUM_REGS)
- fprintf_unfiltered (gdb_stdlog, "target_store_registers (%s) = 0x%lx %ld\n",
- REGISTER_NAME (regno),
- (unsigned long) read_register (regno),
- (unsigned long) read_register (regno));
- else
- fprintf_unfiltered (gdb_stdlog, "target_store_registers (%d)\n", regno);
+static void
+debug_to_store_registers (int regno)
+{
+ debug_target.to_store_registers (regno);
+ debug_print_register ("target_store_registers", regno);
+ fprintf_unfiltered (gdb_stdlog, "\n");
}
static void
-debug_to_prepare_to_store ()
+debug_to_prepare_to_store (void)
{
debug_target.to_prepare_to_store ();
}
static int
-debug_to_xfer_memory (memaddr, myaddr, len, write, target)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
- int write;
- struct target_ops *target;
+debug_to_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write,
+ struct mem_attrib *attrib,
+ struct target_ops *target)
{
int retval;
- retval = debug_target.to_xfer_memory (memaddr, myaddr, len, write, target);
+ retval = debug_target.to_xfer_memory (memaddr, myaddr, len, write,
+ attrib, target);
fprintf_unfiltered (gdb_stdlog,
"target_xfer_memory (0x%x, xxx, %d, %s, xxx) = %d",
}
static void
-debug_to_files_info (target)
- struct target_ops *target;
+debug_to_files_info (struct target_ops *target)
{
debug_target.to_files_info (target);
}
static int
-debug_to_insert_breakpoint (addr, save)
- CORE_ADDR addr;
- char *save;
+debug_to_insert_breakpoint (CORE_ADDR addr, char *save)
{
int retval;
}
static int
-debug_to_remove_breakpoint (addr, save)
- CORE_ADDR addr;
- char *save;
+debug_to_remove_breakpoint (CORE_ADDR addr, char *save)
{
int retval;
return retval;
}
+static int
+debug_to_can_use_hw_breakpoint (int type, int cnt, int from_tty)
+{
+ int retval;
+
+ retval = debug_target.to_can_use_hw_breakpoint (type, cnt, from_tty);
+
+ fprintf_unfiltered (gdb_stdlog,
+ "target_can_use_hw_breakpoint (%ld, %ld, %ld) = %ld\n",
+ (unsigned long) type,
+ (unsigned long) cnt,
+ (unsigned long) from_tty,
+ (unsigned long) retval);
+ return retval;
+}
+
+static int
+debug_to_region_size_ok_for_hw_watchpoint (int byte_count)
+{
+ CORE_ADDR retval;
+
+ retval = debug_target.to_region_size_ok_for_hw_watchpoint (byte_count);
+
+ fprintf_unfiltered (gdb_stdlog,
+ "TARGET_REGION_SIZE_OK_FOR_HW_WATCHPOINT (%ld) = 0x%lx\n",
+ (unsigned long) byte_count,
+ (unsigned long) retval);
+ return retval;
+}
+
+static int
+debug_to_stopped_by_watchpoint (void)
+{
+ int retval;
+
+ retval = debug_target.to_stopped_by_watchpoint ();
+
+ fprintf_unfiltered (gdb_stdlog,
+ "STOPPED_BY_WATCHPOINT () = %ld\n",
+ (unsigned long) retval);
+ return retval;
+}
+
+static CORE_ADDR
+debug_to_stopped_data_address (void)
+{
+ CORE_ADDR retval;
+
+ retval = debug_target.to_stopped_data_address ();
+
+ fprintf_unfiltered (gdb_stdlog,
+ "target_stopped_data_address () = 0x%lx\n",
+ (unsigned long) retval);
+ return retval;
+}
+
+static int
+debug_to_insert_hw_breakpoint (CORE_ADDR addr, char *save)
+{
+ int retval;
+
+ retval = debug_target.to_insert_hw_breakpoint (addr, save);
+
+ fprintf_unfiltered (gdb_stdlog,
+ "target_insert_hw_breakpoint (0x%lx, xxx) = %ld\n",
+ (unsigned long) addr,
+ (unsigned long) retval);
+ return retval;
+}
+
+static int
+debug_to_remove_hw_breakpoint (CORE_ADDR addr, char *save)
+{
+ int retval;
+
+ retval = debug_target.to_remove_hw_breakpoint (addr, save);
+
+ fprintf_unfiltered (gdb_stdlog,
+ "target_remove_hw_breakpoint (0x%lx, xxx) = %ld\n",
+ (unsigned long) addr,
+ (unsigned long) retval);
+ return retval;
+}
+
+static int
+debug_to_insert_watchpoint (CORE_ADDR addr, int len, int type)
+{
+ int retval;
+
+ retval = debug_target.to_insert_watchpoint (addr, len, type);
+
+ fprintf_unfiltered (gdb_stdlog,
+ "target_insert_watchpoint (0x%lx, %d, %d) = %ld\n",
+ (unsigned long) addr, len, type, (unsigned long) retval);
+ return retval;
+}
+
+static int
+debug_to_remove_watchpoint (CORE_ADDR addr, int len, int type)
+{
+ int retval;
+
+ retval = debug_target.to_insert_watchpoint (addr, len, type);
+
+ fprintf_unfiltered (gdb_stdlog,
+ "target_insert_watchpoint (0x%lx, %d, %d) = %ld\n",
+ (unsigned long) addr, len, type, (unsigned long) retval);
+ return retval;
+}
+
static void
-debug_to_terminal_init ()
+debug_to_terminal_init (void)
{
debug_target.to_terminal_init ();
}
static void
-debug_to_terminal_inferior ()
+debug_to_terminal_inferior (void)
{
debug_target.to_terminal_inferior ();
}
static void
-debug_to_terminal_ours_for_output ()
+debug_to_terminal_ours_for_output (void)
{
debug_target.to_terminal_ours_for_output ();
}
static void
-debug_to_terminal_ours ()
+debug_to_terminal_ours (void)
{
debug_target.to_terminal_ours ();
}
static void
-debug_to_terminal_info (arg, from_tty)
- char *arg;
- int from_tty;
+debug_to_terminal_save_ours (void)
+{
+ debug_target.to_terminal_save_ours ();
+
+ fprintf_unfiltered (gdb_stdlog, "target_terminal_save_ours ()\n");
+}
+
+static void
+debug_to_terminal_info (char *arg, int from_tty)
{
debug_target.to_terminal_info (arg, from_tty);
}
static void
-debug_to_kill ()
+debug_to_kill (void)
{
debug_target.to_kill ();
}
static void
-debug_to_load (args, from_tty)
- char *args;
- int from_tty;
+debug_to_load (char *args, int from_tty)
{
debug_target.to_load (args, from_tty);
}
static int
-debug_to_lookup_symbol (name, addrp)
- char *name;
- CORE_ADDR *addrp;
+debug_to_lookup_symbol (char *name, CORE_ADDR *addrp)
{
int retval;
}
static void
-debug_to_create_inferior (exec_file, args, env)
- char *exec_file;
- char *args;
- char **env;
+debug_to_create_inferior (char *exec_file, char *args, char **env)
{
debug_target.to_create_inferior (exec_file, args, env);
}
static void
-debug_to_post_startup_inferior (pid)
- int pid;
+debug_to_post_startup_inferior (ptid_t ptid)
{
- debug_target.to_post_startup_inferior (pid);
+ debug_target.to_post_startup_inferior (ptid);
fprintf_unfiltered (gdb_stdlog, "target_post_startup_inferior (%d)\n",
- pid);
+ PIDGET (ptid));
}
static void
-debug_to_acknowledge_created_inferior (pid)
- int pid;
+debug_to_acknowledge_created_inferior (int pid)
{
debug_target.to_acknowledge_created_inferior (pid);
pid);
}
-static void
-debug_to_clone_and_follow_inferior (child_pid, followed_child)
- int child_pid;
- int *followed_child;
-{
- debug_target.to_clone_and_follow_inferior (child_pid, followed_child);
-
- fprintf_unfiltered (gdb_stdlog,
- "target_clone_and_follow_inferior (%d, %d)\n",
- child_pid, *followed_child);
-}
-
-static void
-debug_to_post_follow_inferior_by_clone ()
-{
- debug_target.to_post_follow_inferior_by_clone ();
-
- fprintf_unfiltered (gdb_stdlog, "target_post_follow_inferior_by_clone ()\n");
-}
-
static int
-debug_to_insert_fork_catchpoint (pid)
- int pid;
+debug_to_insert_fork_catchpoint (int pid)
{
int retval;
}
static int
-debug_to_remove_fork_catchpoint (pid)
- int pid;
+debug_to_remove_fork_catchpoint (int pid)
{
int retval;
}
static int
-debug_to_insert_vfork_catchpoint (pid)
- int pid;
+debug_to_insert_vfork_catchpoint (int pid)
{
int retval;
}
static int
-debug_to_remove_vfork_catchpoint (pid)
- int pid;
+debug_to_remove_vfork_catchpoint (int pid)
{
int retval;
}
static int
-debug_to_has_forked (pid, child_pid)
- int pid;
- int *child_pid;
-{
- int has_forked;
-
- has_forked = debug_target.to_has_forked (pid, child_pid);
-
- fprintf_unfiltered (gdb_stdlog, "target_has_forked (%d, %d) = %d\n",
- pid, *child_pid, has_forked);
-
- return has_forked;
-}
-
-static int
-debug_to_has_vforked (pid, child_pid)
- int pid;
- int *child_pid;
-{
- int has_vforked;
-
- has_vforked = debug_target.to_has_vforked (pid, child_pid);
-
- fprintf_unfiltered (gdb_stdlog, "target_has_vforked (%d, %d) = %d\n",
- pid, *child_pid, has_vforked);
-
- return has_vforked;
-}
-
-static int
-debug_to_can_follow_vfork_prior_to_exec ()
+debug_to_follow_fork (int follow_child)
{
- int can_immediately_follow_vfork;
-
- can_immediately_follow_vfork = debug_target.to_can_follow_vfork_prior_to_exec ();
-
- fprintf_unfiltered (gdb_stdlog, "target_can_follow_vfork_prior_to_exec () = %d\n",
- can_immediately_follow_vfork);
+ int retval = debug_target.to_follow_fork (follow_child);
- return can_immediately_follow_vfork;
-}
-
-static void
-debug_to_post_follow_vfork (parent_pid, followed_parent, child_pid, followed_child)
- int parent_pid;
- int followed_parent;
- int child_pid;
- int followed_child;
-{
- debug_target.to_post_follow_vfork (parent_pid, followed_parent, child_pid, followed_child);
+ fprintf_unfiltered (gdb_stdlog, "target_follow_fork (%d) = %d\n",
+ follow_child, retval);
- fprintf_unfiltered (gdb_stdlog,
- "target_post_follow_vfork (%d, %d, %d, %d)\n",
- parent_pid, followed_parent, child_pid, followed_child);
+ return retval;
}
static int
-debug_to_insert_exec_catchpoint (pid)
- int pid;
+debug_to_insert_exec_catchpoint (int pid)
{
int retval;
}
static int
-debug_to_remove_exec_catchpoint (pid)
- int pid;
+debug_to_remove_exec_catchpoint (int pid)
{
int retval;
}
static int
-debug_to_has_execd (pid, execd_pathname)
- int pid;
- char **execd_pathname;
-{
- int has_execd;
-
- has_execd = debug_target.to_has_execd (pid, execd_pathname);
-
- fprintf_unfiltered (gdb_stdlog, "target_has_execd (%d, %s) = %d\n",
- pid, (*execd_pathname ? *execd_pathname : "<NULL>"),
- has_execd);
-
- return has_execd;
-}
-
-static int
-debug_to_reported_exec_events_per_exec_call ()
+debug_to_reported_exec_events_per_exec_call (void)
{
int reported_exec_events;
}
static int
-debug_to_has_syscall_event (pid, kind, syscall_id)
- int pid;
- enum target_waitkind *kind;
- int *syscall_id;
-{
- int has_syscall_event;
- char *kind_spelling = "??";
-
- has_syscall_event = debug_target.to_has_syscall_event (pid, kind, syscall_id);
- if (has_syscall_event)
- {
- switch (*kind)
- {
- case TARGET_WAITKIND_SYSCALL_ENTRY:
- kind_spelling = "SYSCALL_ENTRY";
- break;
- case TARGET_WAITKIND_SYSCALL_RETURN:
- kind_spelling = "SYSCALL_RETURN";
- break;
- default:
- break;
- }
- }
-
- fprintf_unfiltered (gdb_stdlog,
- "target_has_syscall_event (%d, %s, %d) = %d\n",
- pid, kind_spelling, *syscall_id, has_syscall_event);
-
- return has_syscall_event;
-}
-
-static int
-debug_to_has_exited (pid, wait_status, exit_status)
- int pid;
- int wait_status;
- int *exit_status;
+debug_to_has_exited (int pid, int wait_status, int *exit_status)
{
int has_exited;
}
static void
-debug_to_mourn_inferior ()
+debug_to_mourn_inferior (void)
{
debug_target.to_mourn_inferior ();
}
static int
-debug_to_can_run ()
+debug_to_can_run (void)
{
int retval;
}
static void
-debug_to_notice_signals (pid)
- int pid;
+debug_to_notice_signals (ptid_t ptid)
{
- debug_target.to_notice_signals (pid);
+ debug_target.to_notice_signals (ptid);
- fprintf_unfiltered (gdb_stdlog, "target_notice_signals (%d)\n", pid);
+ fprintf_unfiltered (gdb_stdlog, "target_notice_signals (%d)\n",
+ PIDGET (ptid));
}
static int
-debug_to_thread_alive (pid)
- int pid;
+debug_to_thread_alive (ptid_t ptid)
{
int retval;
- retval = debug_target.to_thread_alive (pid);
+ retval = debug_target.to_thread_alive (ptid);
fprintf_unfiltered (gdb_stdlog, "target_thread_alive (%d) = %d\n",
- pid, retval);
+ PIDGET (ptid), retval);
return retval;
}
static void
-debug_to_find_new_threads ()
+debug_to_find_new_threads (void)
{
debug_target.to_find_new_threads ();
}
static void
-debug_to_stop ()
+debug_to_stop (void)
{
debug_target.to_stop ();
fprintf_unfiltered (gdb_stdlog, "target_stop ()\n");
}
-static int
-debug_to_query (type, req, resp, siz)
- int type;
- char *req;
- char *resp;
- int *siz;
+static LONGEST
+debug_to_xfer_partial (struct target_ops *ops, enum target_object object,
+ const char *annex, void *readbuf, const void *writebuf,
+ ULONGEST offset, LONGEST len)
{
- int retval;
+ LONGEST retval;
- retval = debug_target.to_query (type, req, resp, siz);
+ retval = debug_target.to_xfer_partial (&debug_target, object, annex,
+ readbuf, writebuf, offset, len);
- fprintf_unfiltered (gdb_stdlog, "target_query (%c, %s, %s, %d) = %d\n", type, req, resp, *siz, retval);
+ fprintf_unfiltered (gdb_stdlog,
+ "target_xfer_partial (%d, %s, 0x%lx, 0x%lx, 0x%s, %s) = %s\n",
+ (int) object, (annex ? annex : "(null)"),
+ (long) readbuf, (long) writebuf, paddr_nz (offset),
+ paddr_d (len), paddr_d (retval));
return retval;
}
}
static struct symtab_and_line *
-debug_to_enable_exception_callback (kind, enable)
- enum exception_event_kind kind;
- int enable;
+debug_to_enable_exception_callback (enum exception_event_kind kind, int enable)
{
struct symtab_and_line *result;
result = debug_target.to_enable_exception_callback (kind, enable);
}
static struct exception_event_record *
-debug_to_get_current_exception_event ()
+debug_to_get_current_exception_event (void)
{
struct exception_event_record *result;
result = debug_target.to_get_current_exception_event ();
}
static char *
-debug_to_pid_to_exec_file (pid)
- int pid;
+debug_to_pid_to_exec_file (int pid)
{
char *exec_file;
return exec_file;
}
-static char *
-debug_to_core_file_to_sym_file (core)
- char *core;
-{
- char *sym_file;
-
- sym_file = debug_target.to_core_file_to_sym_file (core);
-
- fprintf_unfiltered (gdb_stdlog, "target_core_file_to_sym_file (%s) = %s\n",
- core, sym_file);
-
- return sym_file;
-}
-
static void
-setup_target_debug ()
+setup_target_debug (void)
{
memcpy (&debug_target, ¤t_target, sizeof debug_target);
current_target.to_close = debug_to_close;
current_target.to_attach = debug_to_attach;
current_target.to_post_attach = debug_to_post_attach;
- current_target.to_require_attach = debug_to_require_attach;
current_target.to_detach = debug_to_detach;
- current_target.to_require_detach = debug_to_require_detach;
+ current_target.to_disconnect = debug_to_disconnect;
current_target.to_resume = debug_to_resume;
current_target.to_wait = debug_to_wait;
current_target.to_post_wait = debug_to_post_wait;
current_target.to_files_info = debug_to_files_info;
current_target.to_insert_breakpoint = debug_to_insert_breakpoint;
current_target.to_remove_breakpoint = debug_to_remove_breakpoint;
+ current_target.to_can_use_hw_breakpoint = debug_to_can_use_hw_breakpoint;
+ current_target.to_insert_hw_breakpoint = debug_to_insert_hw_breakpoint;
+ current_target.to_remove_hw_breakpoint = debug_to_remove_hw_breakpoint;
+ current_target.to_insert_watchpoint = debug_to_insert_watchpoint;
+ current_target.to_remove_watchpoint = debug_to_remove_watchpoint;
+ current_target.to_stopped_by_watchpoint = debug_to_stopped_by_watchpoint;
+ current_target.to_stopped_data_address = debug_to_stopped_data_address;
+ current_target.to_region_size_ok_for_hw_watchpoint = debug_to_region_size_ok_for_hw_watchpoint;
current_target.to_terminal_init = debug_to_terminal_init;
current_target.to_terminal_inferior = debug_to_terminal_inferior;
current_target.to_terminal_ours_for_output = debug_to_terminal_ours_for_output;
current_target.to_terminal_ours = debug_to_terminal_ours;
+ current_target.to_terminal_save_ours = debug_to_terminal_save_ours;
current_target.to_terminal_info = debug_to_terminal_info;
current_target.to_kill = debug_to_kill;
current_target.to_load = debug_to_load;
current_target.to_create_inferior = debug_to_create_inferior;
current_target.to_post_startup_inferior = debug_to_post_startup_inferior;
current_target.to_acknowledge_created_inferior = debug_to_acknowledge_created_inferior;
- current_target.to_clone_and_follow_inferior = debug_to_clone_and_follow_inferior;
- current_target.to_post_follow_inferior_by_clone = debug_to_post_follow_inferior_by_clone;
current_target.to_insert_fork_catchpoint = debug_to_insert_fork_catchpoint;
current_target.to_remove_fork_catchpoint = debug_to_remove_fork_catchpoint;
current_target.to_insert_vfork_catchpoint = debug_to_insert_vfork_catchpoint;
current_target.to_remove_vfork_catchpoint = debug_to_remove_vfork_catchpoint;
- current_target.to_has_forked = debug_to_has_forked;
- current_target.to_has_vforked = debug_to_has_vforked;
- current_target.to_can_follow_vfork_prior_to_exec = debug_to_can_follow_vfork_prior_to_exec;
- current_target.to_post_follow_vfork = debug_to_post_follow_vfork;
+ current_target.to_follow_fork = debug_to_follow_fork;
current_target.to_insert_exec_catchpoint = debug_to_insert_exec_catchpoint;
current_target.to_remove_exec_catchpoint = debug_to_remove_exec_catchpoint;
- current_target.to_has_execd = debug_to_has_execd;
current_target.to_reported_exec_events_per_exec_call = debug_to_reported_exec_events_per_exec_call;
- current_target.to_has_syscall_event = debug_to_has_syscall_event;
current_target.to_has_exited = debug_to_has_exited;
current_target.to_mourn_inferior = debug_to_mourn_inferior;
current_target.to_can_run = debug_to_can_run;
current_target.to_thread_alive = debug_to_thread_alive;
current_target.to_find_new_threads = debug_to_find_new_threads;
current_target.to_stop = debug_to_stop;
- current_target.to_query = debug_to_query;
+ current_target.to_xfer_partial = debug_to_xfer_partial;
current_target.to_rcmd = debug_to_rcmd;
current_target.to_enable_exception_callback = debug_to_enable_exception_callback;
current_target.to_get_current_exception_event = debug_to_get_current_exception_event;
current_target.to_pid_to_exec_file = debug_to_pid_to_exec_file;
- current_target.to_core_file_to_sym_file = debug_to_core_file_to_sym_file;
}
\f
do_monitor_command (char *cmd,
int from_tty)
{
- if ((current_target.to_rcmd == (void*) tcomplain)
+ if ((current_target.to_rcmd
+ == (void (*) (char *, struct ui_file *)) tcomplain)
|| (current_target.to_rcmd == debug_to_rcmd
- && (debug_target.to_rcmd == (void*) tcomplain)))
+ && (debug_target.to_rcmd
+ == (void (*) (char *, struct ui_file *)) tcomplain)))
{
error ("\"monitor\" command not supported by this target.\n");
}
}
void
-initialize_targets ()
+initialize_targets (void)
{
init_dummy_target ();
push_target (&dummy_target);
add_info ("target", target_info, targ_desc);
add_info ("files", target_info, targ_desc);
- add_show_from_set (
- add_set_cmd ("targetdebug", class_maintenance, var_zinteger,
- (char *) &targetdebug,
- "Set target debugging.\n\
-When non-zero, target debugging is enabled.", &setlist),
- &showlist);
-
+ add_show_from_set
+ (add_set_cmd ("target", class_maintenance, var_zinteger,
+ (char *) &targetdebug,
+ "Set target debugging.\n\
+When non-zero, target debugging is enabled.", &setdebuglist),
+ &showdebuglist);
+
+ add_setshow_boolean_cmd ("trust-readonly-sections", class_support,
+ &trust_readonly, "\
+Set mode for reading from readonly sections.\n\
+When this mode is on, memory reads from readonly sections (such as .text)\n\
+will be read from the object file instead of from the target. This will\n\
+result in significant performance improvement for remote targets.", "\
+Show mode for reading from readonly sections.\n",
+ NULL, NULL,
+ &setlist, &showlist);
add_com ("monitor", class_obscure, do_monitor_command,
"Send a command to the remote monitor (remote targets only).");
- if (!STREQ (signals[TARGET_SIGNAL_LAST].string, "TARGET_SIGNAL_MAGIC"))
- abort ();
+ target_dcache = dcache_init ();
}
projects / deliverable / binutils-gdb.git / blobdiff