/* Select target systems and architectures at runtime for GDB.
- Copyright 1990, 1992, 1993, 1994, 1995, 1998 Free Software Foundation, Inc.
+ Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+ 2000, 2001, 2002
+ Free Software Foundation, Inc.
Contributed by Cygnus Support.
-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. */
#include "defs.h"
#include <errno.h>
-#include <ctype.h>
#include "gdb_string.h"
#include "target.h"
#include "gdbcmd.h"
#include "bfd.h"
#include "symfile.h"
#include "objfiles.h"
-#include "wait.h"
+#include "gdb_wait.h"
+#include "dcache.h"
#include <signal.h>
+#include "regcache.h"
extern int errno;
-static void
-target_info PARAMS ((char *, int));
+static void target_info (char *, int);
-static void
-cleanup_target PARAMS ((struct target_ops *));
+static void cleanup_target (struct target_ops *);
-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 *);
-/* Transfer LEN bytes between target address MEMADDR and GDB address MYADDR.
- Returns 0 for success, errno code for failure (which includes partial
- transfers--if you want a more useful response to partial transfers, try
- target_read_memory_partial). */
+static void update_current_target (void);
-static int
-target_xfer_memory PARAMS ((CORE_ADDR memaddr, char *myaddr, int len,
- int write, asection *bfd_section));
+static void nosupport_runtime (void);
-static void
-debug_to_open PARAMS ((char *, int));
+static void normal_target_post_startup_inferior (ptid_t ptid);
-static void
-debug_to_close PARAMS ((int));
+/* Transfer LEN bytes between target address MEMADDR and GDB address
+ MYADDR. Returns 0 for success, errno code for failure (which
+ includes partial transfers -- if you want a more useful response to
+ partial transfers, try either target_read_memory_partial or
+ target_write_memory_partial). */
-static void
-debug_to_attach PARAMS ((char *, int));
+static int target_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len,
+ int write);
-static void
-debug_to_detach PARAMS ((char *, int));
+static void init_dummy_target (void);
-static void
-debug_to_resume PARAMS ((int, int, enum target_signal));
+static void debug_to_open (char *, int);
-static int
-debug_to_wait PARAMS ((int, struct target_waitstatus *));
+static void debug_to_close (int);
-static void
-debug_to_fetch_registers PARAMS ((int));
+static void debug_to_attach (char *, int);
-static void
-debug_to_store_registers PARAMS ((int));
+static void debug_to_detach (char *, int);
-static void
-debug_to_prepare_to_store PARAMS ((void));
+static void debug_to_resume (ptid_t, int, enum target_signal);
-static int
-debug_to_xfer_memory PARAMS ((CORE_ADDR, char *, int, int, struct target_ops *));
+static ptid_t debug_to_wait (ptid_t, struct target_waitstatus *);
-static void
-debug_to_files_info PARAMS ((struct target_ops *));
+static void debug_to_fetch_registers (int);
-static int
-debug_to_insert_breakpoint PARAMS ((CORE_ADDR, char *));
+static void debug_to_store_registers (int);
-static int
-debug_to_remove_breakpoint PARAMS ((CORE_ADDR, char *));
+static void debug_to_prepare_to_store (void);
-static void
-debug_to_terminal_init PARAMS ((void));
+static int debug_to_xfer_memory (CORE_ADDR, char *, int, int,
+ struct mem_attrib *, struct target_ops *);
-static void
-debug_to_terminal_inferior PARAMS ((void));
+static void debug_to_files_info (struct target_ops *);
-static void
-debug_to_terminal_ours_for_output PARAMS ((void));
+static int debug_to_insert_breakpoint (CORE_ADDR, char *);
-static void
-debug_to_terminal_ours PARAMS ((void));
+static int debug_to_remove_breakpoint (CORE_ADDR, char *);
-static void
-debug_to_terminal_info PARAMS ((char *, int));
+static int debug_to_can_use_hw_breakpoint (int, int, int);
-static void
-debug_to_kill PARAMS ((void));
+static int debug_to_insert_hw_breakpoint (CORE_ADDR, char *);
-static void
-debug_to_load PARAMS ((char *, int));
+static int debug_to_remove_hw_breakpoint (CORE_ADDR, char *);
-static int
-debug_to_lookup_symbol PARAMS ((char *, CORE_ADDR *));
+static int debug_to_insert_watchpoint (CORE_ADDR, int, int);
-static void
-debug_to_create_inferior PARAMS ((char *, char *, char **));
+static int debug_to_remove_watchpoint (CORE_ADDR, int, int);
-static void
-debug_to_mourn_inferior PARAMS ((void));
+static int debug_to_stopped_by_watchpoint (void);
-static int
-debug_to_can_run PARAMS ((void));
+static CORE_ADDR debug_to_stopped_data_address (void);
-static void
-debug_to_notice_signals PARAMS ((int));
+static int debug_to_region_size_ok_for_hw_watchpoint (int);
-static int
-debug_to_thread_alive PARAMS ((int));
+static void debug_to_terminal_init (void);
-static void
-debug_to_stop PARAMS ((void));
+static void debug_to_terminal_inferior (void);
-static int
-debug_to_query PARAMS ((char, char *, char *, int *));
+static void debug_to_terminal_ours_for_output (void);
+
+static void debug_to_terminal_save_ours (void);
+
+static void debug_to_terminal_ours (void);
+
+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);
+
+static int debug_to_query (int /*char */ , char *, char *, int *);
/* Pointer to array of target architecture structures; the size of the
array; the current index into the array; the allocated size of the
/* The initial current target, so that there is always a semi-valid
current target. */
-struct target_ops dummy_target = {
- "None", /* to_shortname */
- "None", /* to_longname */
- "", /* to_doc */
- 0, /* to_open */
- 0, /* to_close */
- find_default_attach, /* to_attach */
- NULL, /* to_post_attach */
- find_default_require_attach, /* to_require_attach */
- 0, /* to_detach */
- find_default_require_detach, /* to_require_detach */
- 0, /* to_resume */
- 0, /* to_wait */
- NULL, /* to_post_wait */
- 0, /* to_fetch_registers */
- 0, /* to_store_registers */
- 0, /* to_prepare_to_store */
- 0, /* to_xfer_memory */
- 0, /* to_files_info */
- 0, /* to_insert_breakpoint */
- 0, /* to_remove_breakpoint */
- 0, /* to_terminal_init */
- 0, /* to_terminal_inferior */
- 0, /* to_terminal_ours_for_output */
- 0, /* to_terminal_ours */
- 0, /* to_terminal_info */
- 0, /* to_kill */
- 0, /* to_load */
- 0, /* to_lookup_symbol */
- find_default_create_inferior, /* to_create_inferior */
- NULL, /* to_post_startup_inferior */
- NULL, /* to_acknowledge_created_inferior */
- find_default_clone_and_follow_inferior, /* to_clone_and_follow_inferior */
- NULL, /* to_post_follow_inferior_by_clone */
- NULL, /* to_insert_fork_catchpoint */
- NULL, /* to_remove_fork_catchpoint */
- NULL, /* to_insert_vfork_catchpoint */
- NULL, /* to_remove_vfork_catchpoint */
- NULL, /* to_has_forked */
- NULL, /* to_has_vforked */
- NULL, /* to_can_follow_vfork_prior_to_exec */
- NULL, /* to_post_follow_vfork */
- NULL, /* to_insert_exec_catchpoint */
- NULL, /* to_remove_exec_catchpoint */
- NULL, /* to_has_execd */
- NULL, /* to_reported_exec_events_per_exec_call */
- NULL, /* to_has_syscall_event */
- NULL, /* to_has_exited */
- 0, /* to_mourn_inferior */
- 0, /* to_can_run */
- 0, /* to_notice_signals */
- 0, /* to_thread_alive */
- 0, /* to_stop */
- 0, /* to_query */
- NULL, /* to_enable_exception_callback */
- NULL, /* to_get_current_exception_event */
- NULL, /* to_pid_to_exec_file */
- NULL, /* to_core_file_to_sym_file */
- dummy_stratum, /* to_stratum */
- 0, /* to_next */
- 0, /* to_has_all_memory */
- 0, /* to_has_memory */
- 0, /* to_has_stack */
- 0, /* to_has_registers */
- 0, /* to_has_execution */
- tc_none, /* to_has_thread_control */
- 0, /* to_sections */
- 0, /* to_sections_end */
- OPS_MAGIC, /* to_magic */
-};
+static struct target_ops dummy_target;
/* Top of target stack. */
int attach_flag;
-#ifdef MAINTENANCE_CMDS
/* Non-zero if we want to see trace of target level stuff. */
static int targetdebug = 0;
-static void setup_target_debug PARAMS ((void));
+static void setup_target_debug (void);
-#endif
+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)
{
if (!target_structs)
{
{
target_struct_allocsize *= 2;
target_structs = (struct target_ops **)
- xrealloc ((char *) target_structs,
- target_struct_allocsize * sizeof (*target_structs));
+ xrealloc ((char *) target_structs,
+ target_struct_allocsize * sizeof (*target_structs));
}
target_structs[target_struct_size++] = t;
-/* cleanup_target (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 */
+ 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 */
+ return 1; /* Symbol does not exist in target env */
}
/* ARGSUSED */
-void
-nosupport_runtime ()
+static void
+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");
+ printf_unfiltered ("No saved terminal information.\n");
}
/* This is the default target_create_inferior and target_attach function.
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)
{
printf_unfiltered ("You are already running a program:\n");
target_files_info ();
- if (query ("Kill it? ")) {
- target_kill ();
- if (target_has_execution)
- error ("Killing the program did not help.");
- return;
- } else {
- error ("Program not killed.");
- }
+ if (query ("Kill it? "))
+ {
+ target_kill ();
+ if (target_has_execution)
+ error ("Killing the program did not help.");
+ return;
+ }
+ else
+ {
+ error ("Program not killed.");
+ }
}
- tcomplain();
+ tcomplain ();
}
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);
-}
-
/* 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. */
static void
-cleanup_target (t)
- struct target_ops *t;
+cleanup_target (struct target_ops *t)
{
#define de_fault(field, value) \
- if (!t->field) t->field = value
-
- /* FIELD DEFAULT VALUE */
-
- de_fault (to_open, (void (*) PARAMS((char *, int))) tcomplain);
- de_fault (to_close, (void (*) PARAMS((int))) target_ignore);
- de_fault (to_attach, maybe_kill_then_attach);
- de_fault (to_post_attach, (void (*) PARAMS ((int))) target_ignore);
- de_fault (to_require_attach, maybe_kill_then_attach);
- de_fault (to_detach, (void (*) PARAMS((char *, int))) target_ignore);
- de_fault (to_require_detach, (void (*) PARAMS((int, char *, int))) target_ignore);
- de_fault (to_resume, (void (*) PARAMS((int, int, enum target_signal))) noprocess);
- de_fault (to_wait, (int (*) PARAMS((int, struct target_waitstatus *))) noprocess);
- de_fault (to_post_wait, (void (*) PARAMS ((int, int))) target_ignore);
- de_fault (to_fetch_registers, (void (*) PARAMS((int))) target_ignore);
- de_fault (to_store_registers, (void (*) PARAMS((int))) noprocess);
- de_fault (to_prepare_to_store, (void (*) PARAMS((void))) noprocess);
- de_fault (to_xfer_memory, (int (*) PARAMS((CORE_ADDR, char *, int, int, struct target_ops *))) nomemory);
- de_fault (to_files_info, (void (*) PARAMS((struct target_ops *))) target_ignore);
- de_fault (to_insert_breakpoint, memory_insert_breakpoint);
- de_fault (to_remove_breakpoint, memory_remove_breakpoint);
- de_fault (to_terminal_init, (void (*) PARAMS((void))) target_ignore);
- de_fault (to_terminal_inferior, (void (*) PARAMS ((void))) target_ignore);
- de_fault (to_terminal_ours_for_output,(void (*) PARAMS ((void))) target_ignore);
- de_fault (to_terminal_ours, (void (*) PARAMS ((void))) target_ignore);
- de_fault (to_terminal_info, default_terminal_info);
- de_fault (to_kill, (void (*) PARAMS((void))) noprocess);
- de_fault (to_load, (void (*) PARAMS((char *, int))) tcomplain);
- de_fault (to_lookup_symbol, (int (*) PARAMS ((char *, CORE_ADDR *))) nosymbol);
- de_fault (to_create_inferior, maybe_kill_then_create_inferior);
- de_fault (to_post_startup_inferior, (void (*) PARAMS ((int))) target_ignore);
- de_fault (to_acknowledge_created_inferior, (void (*) PARAMS((int))) target_ignore);
- de_fault (to_clone_and_follow_inferior, default_clone_and_follow_inferior);
- de_fault (to_post_follow_inferior_by_clone, (void (*) PARAMS ((void))) target_ignore);
- de_fault (to_insert_fork_catchpoint, (int (*) PARAMS ((int))) tcomplain);
- de_fault (to_remove_fork_catchpoint, (int (*) PARAMS ((int))) tcomplain);
- de_fault (to_insert_vfork_catchpoint, (int (*) PARAMS ((int))) tcomplain);
- de_fault (to_remove_vfork_catchpoint, (int (*) PARAMS ((int))) tcomplain);
- de_fault (to_has_forked, (int (*) PARAMS ((int, int *))) return_zero);
- de_fault (to_has_vforked, (int (*) PARAMS ((int, int *))) return_zero);
- de_fault (to_can_follow_vfork_prior_to_exec, (int (*) PARAMS ((void ))) return_zero);
- de_fault (to_post_follow_vfork, (void (*) PARAMS ((int, int, int, int))) target_ignore);
- de_fault (to_insert_exec_catchpoint, (int (*) PARAMS ((int))) tcomplain);
- de_fault (to_remove_exec_catchpoint, (int (*) PARAMS ((int))) tcomplain);
- de_fault (to_has_execd, (int (*) PARAMS ((int, char **))) return_zero);
- de_fault (to_reported_exec_events_per_exec_call, (int (*) PARAMS ((void))) return_one);
- de_fault (to_has_syscall_event, (int (*) PARAMS ((int, enum target_waitkind *, int *))) return_zero);
- de_fault (to_has_exited, (int (*) PARAMS ((int, int, int *))) return_zero);
- de_fault (to_mourn_inferior, (void (*) PARAMS ((void))) noprocess);
- de_fault (to_can_run, return_zero);
- de_fault (to_notice_signals, (void (*) PARAMS((int))) target_ignore);
- de_fault (to_thread_alive, (int (*) PARAMS((int))) target_ignore);
- de_fault (to_stop, (void (*) PARAMS((void))) target_ignore);
- de_fault (to_query, (int (*) PARAMS((char, char*, char *, int *))) target_ignore);
- de_fault (to_enable_exception_callback, (struct symtab_and_line * (*) PARAMS((enum exception_event_kind, int))) nosupport_runtime);
- de_fault (to_get_current_exception_event, (struct exception_event_record * (*) PARAMS((void))) nosupport_runtime);
-
- de_fault (to_pid_to_exec_file, (char* (*) PARAMS((int))) return_zero);
- de_fault (to_core_file_to_sym_file, (char* (*) PARAMS ((char *))) return_zero);
+ if (!t->field) \
+ t->field = value
+
+ de_fault (to_open,
+ (void (*) (char *, int))
+ tcomplain);
+ de_fault (to_close,
+ (void (*) (int))
+ target_ignore);
+ de_fault (to_attach,
+ maybe_kill_then_attach);
+ de_fault (to_post_attach,
+ (void (*) (int))
+ target_ignore);
+ de_fault (to_detach,
+ (void (*) (char *, int))
+ target_ignore);
+ de_fault (to_resume,
+ (void (*) (ptid_t, int, enum target_signal))
+ noprocess);
+ de_fault (to_wait,
+ (ptid_t (*) (ptid_t, struct target_waitstatus *))
+ noprocess);
+ de_fault (to_post_wait,
+ (void (*) (ptid_t, int))
+ target_ignore);
+ de_fault (to_fetch_registers,
+ (void (*) (int))
+ target_ignore);
+ de_fault (to_store_registers,
+ (void (*) (int))
+ noprocess);
+ de_fault (to_prepare_to_store,
+ (void (*) (void))
+ noprocess);
+ de_fault (to_xfer_memory,
+ (int (*) (CORE_ADDR, char *, int, int, struct mem_attrib *, struct target_ops *))
+ nomemory);
+ de_fault (to_files_info,
+ (void (*) (struct target_ops *))
+ target_ignore);
+ de_fault (to_insert_breakpoint,
+ 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_inferior,
+ (void (*) (void))
+ target_ignore);
+ de_fault (to_terminal_ours_for_output,
+ (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,
+ (void (*) (void))
+ noprocess);
+ de_fault (to_load,
+ (void (*) (char *, int))
+ tcomplain);
+ de_fault (to_lookup_symbol,
+ (int (*) (char *, CORE_ADDR *))
+ nosymbol);
+ de_fault (to_create_inferior,
+ maybe_kill_then_create_inferior);
+ de_fault (to_post_startup_inferior,
+ (void (*) (ptid_t))
+ target_ignore);
+ de_fault (to_acknowledge_created_inferior,
+ (void (*) (int))
+ target_ignore);
+ de_fault (to_insert_fork_catchpoint,
+ (int (*) (int))
+ tcomplain);
+ de_fault (to_remove_fork_catchpoint,
+ (int (*) (int))
+ tcomplain);
+ de_fault (to_insert_vfork_catchpoint,
+ (int (*) (int))
+ tcomplain);
+ de_fault (to_remove_vfork_catchpoint,
+ (int (*) (int))
+ tcomplain);
+ de_fault (to_follow_fork,
+ (int (*) (int))
+ target_ignore);
+ de_fault (to_insert_exec_catchpoint,
+ (int (*) (int))
+ tcomplain);
+ de_fault (to_remove_exec_catchpoint,
+ (int (*) (int))
+ tcomplain);
+ de_fault (to_reported_exec_events_per_exec_call,
+ (int (*) (void))
+ return_one);
+ de_fault (to_has_exited,
+ (int (*) (int, int, int *))
+ return_zero);
+ de_fault (to_mourn_inferior,
+ (void (*) (void))
+ noprocess);
+ de_fault (to_can_run,
+ return_zero);
+ de_fault (to_notice_signals,
+ (void (*) (ptid_t))
+ target_ignore);
+ de_fault (to_thread_alive,
+ (int (*) (ptid_t))
+ return_zero);
+ de_fault (to_find_new_threads,
+ (void (*) (void))
+ target_ignore);
+ de_fault (to_extra_thread_info,
+ (char *(*) (struct thread_info *))
+ return_zero);
+ de_fault (to_stop,
+ (void (*) (void))
+ target_ignore);
+ de_fault (to_rcmd,
+ (void (*) (char *, struct ui_file *))
+ tcomplain);
+ de_fault (to_enable_exception_callback,
+ (struct symtab_and_line * (*) (enum exception_event_kind, int))
+ nosupport_runtime);
+ de_fault (to_get_current_exception_event,
+ (struct exception_event_record * (*) (void))
+ nosupport_runtime);
+ de_fault (to_pid_to_exec_file,
+ (char *(*) (int))
+ return_zero);
+ de_fault (to_can_async_p,
+ (int (*) (void))
+ return_zero);
+ de_fault (to_is_async_p,
+ (int (*) (void))
+ return_zero);
+ de_fault (to_async,
+ (void (*) (void (*) (enum inferior_event_type, void*), void*))
+ tcomplain);
#undef de_fault
}
pushed target vectors. */
static void
-update_current_target ()
+update_current_target (void)
{
struct target_stack_item *item;
struct target_ops *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_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_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_follow_fork, 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_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
checking them. */
int
-push_target (t)
- struct target_ops *t;
+push_target (struct target_ops *t)
{
struct target_stack_item *cur, *prev, *tmp;
the struct definition, but not all the places that initialize one. */
if (t->to_magic != OPS_MAGIC)
{
- fprintf_unfiltered(gdb_stderr,
- "Magic number of %s target struct wrong\n",
- t->to_shortname);
- abort();
+ fprintf_unfiltered (gdb_stderr,
+ "Magic number of %s target struct wrong\n",
+ t->to_shortname);
+ 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)
{
- if ((int)(t->to_stratum) >= (int)(cur->target_ops->to_stratum))
+ if ((int) (t->to_stratum) >= (int) (cur->target_ops->to_stratum))
break;
}
if (cur->target_ops->to_close)
(cur->target_ops->to_close) (0);
if (prev)
- prev->next = cur->next; /* Unchain old target_ops */
+ prev->next = cur->next; /* Unchain old target_ops */
else
- target_stack = cur->next; /* Unchain first on list */
+ target_stack = cur->next; /* Unchain first on list */
tmp = cur->next;
- free (cur);
+ xfree (cur);
cur = tmp;
}
update_current_target ();
- cleanup_target (¤t_target); /* Fill in the gaps */
+ cleanup_target (¤t_target); /* Fill in the gaps */
-#ifdef MAINTENANCE_CMDS
if (targetdebug)
setup_target_debug ();
-#endif
return prev != 0;
}
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;
else
prev->next = cur->next;
- free (cur); /* Release the target_stack_item */
+ xfree (cur); /* Release the target_stack_item */
update_current_target ();
cleanup_target (¤t_target);
}
void
-pop_target ()
+pop_target (void)
{
- (current_target.to_close)(0); /* Let it clean up */
+ (current_target.to_close) (0); /* Let it clean up */
if (unpush_target (target_stack->target_ops) == 1)
return;
- fprintf_unfiltered(gdb_stderr,
- "pop_target couldn't find target %s\n",
- current_target.to_shortname);
- abort();
+ fprintf_unfiltered (gdb_stderr,
+ "pop_target couldn't find target %s\n",
+ current_target.to_shortname);
+ 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;
}
len -= tlen;
nbytes_read += tlen;
}
- done:
+done:
if (errnop != NULL)
*errnop = errcode;
if (string != NULL)
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);
}
-/* Read LEN bytes of target memory at address MEMADDR, placing the results
- in GDB's memory at MYADDR. Returns a count of the bytes actually read,
- and optionally an errno value in the location pointed to by ERRNOPTR
- if ERRNOPTR is non-null. */
+static int trust_readonly = 0;
-int
-target_read_memory_partial (memaddr, myaddr, len, errnoptr)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
- int *errnoptr;
-{
- int nread; /* Number of bytes actually read. */
- int errcode; /* Error from last read. */
-
- /* First try a complete read. */
- errcode = target_xfer_memory (memaddr, myaddr, len, 0, NULL);
- if (errcode == 0)
- {
- /* Got it all. */
- nread = len;
- }
- else
- {
- /* Loop, reading one byte at a time until we get as much as we can. */
- for (errcode = 0, nread = 0; len > 0 && errcode == 0; nread++, len--)
- {
- errcode = target_xfer_memory (memaddr++, myaddr++, 1, 0, NULL);
- }
- /* If an error, the last read was unsuccessful, so adjust count. */
- if (errcode != 0)
- {
- nread--;
- }
- }
- if (errnoptr != NULL)
- {
- *errnoptr = errcode;
- }
- return (nread);
-}
+/* 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.
+
+ Result is -1 on error, or the number of bytes transfered. */
int
-target_write_memory (memaddr, myaddr, len)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
+do_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write,
+ struct mem_attrib *attrib)
{
- return target_xfer_memory (memaddr, myaddr, len, 1, NULL);
-}
-
-/* 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. */
-
-asection *target_memory_bfd_section = NULL;
-
-/* 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 res;
+ int done = 0;
struct target_ops *t;
struct target_stack_item *item;
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)
+ {
+ /* User-settable option, "trust-readonly-sections". If true,
+ then memory from any SEC_READONLY bfd section may be read
+ directly from the bfd file. */
+
+ struct section_table *secp;
+
+ for (secp = current_target.to_sections;
+ secp < current_target.to_sections_end;
+ secp++)
+ {
+ if (bfd_get_section_flags (secp->bfd, secp->the_bfd_section)
+ & SEC_READONLY)
+ if (memaddr >= secp->addr && memaddr < secp->endaddr)
+ 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)
{
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.
+
+ Result is -1 on error, or the number of bytes transfered. */
+
+static int
+target_xfer_memory_partial (CORE_ADDR memaddr, char *myaddr, int len,
+ int write_p, int *err)
+{
+ int res;
+ int reg_len;
+ struct mem_region *region;
+
+ /* Zero length requests are ok and require no work. */
+ if (len == 0)
+ {
+ *err = 0;
+ return 0;
+ }
+
+ region = lookup_mem_region(memaddr);
+ if (memaddr + len < region->hi)
+ reg_len = len;
+ else
+ reg_len = region->hi - memaddr;
+
+ switch (region->attrib.mode)
+ {
+ case MEM_RO:
+ if (write_p)
+ {
+ *err = EIO;
+ return -1;
+ }
+ break;
+
+ case MEM_WO:
+ if (write_p)
+ {
+ *err = EIO;
+ return -1;
+ }
+ break;
+ }
+
+ 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)
+ {
+ if (errno != 0)
+ *err = errno;
+ else
+ *err = EIO;
+
+ return -1;
+ }
+
+ *err = 0;
+ return res;
+}
+
+int
+target_read_memory_partial (CORE_ADDR memaddr, char *buf, int len, int *err)
+{
+ return target_xfer_memory_partial (memaddr, buf, len, 0, err);
+}
+
+int
+target_write_memory_partial (CORE_ADDR memaddr, char *buf, int len, int *err)
+{
+ return target_xfer_memory_partial (memaddr, buf, len, 1, err);
+}
+
/* ARGSUSED */
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)
printf_unfiltered ("Symbols from \"%s\".\n", symfile_objfile->name);
if (!t->to_has_memory)
continue;
- if ((int)(t->to_stratum) <= (int)dummy_stratum)
+ if ((int) (t->to_stratum) <= (int) dummy_stratum)
continue;
if (has_all_mem)
- printf_unfiltered("\tWhile running this, GDB does not access memory from...\n");
- printf_unfiltered("%s:\n", t->to_longname);
- (t->to_files_info)(t);
+ printf_unfiltered ("\tWhile running this, GDB does not access memory from...\n");
+ printf_unfiltered ("%s:\n", t->to_longname);
+ (t->to_files_info) (t);
has_all_mem = t->to_has_all_memory;
}
}
anything. */
void
-target_preopen (from_tty)
- int from_tty;
+target_preopen (int from_tty)
{
- dont_repeat();
+ dont_repeat ();
if (target_has_execution)
- {
- if (query ("A program is being debugged already. Kill it? "))
- target_kill ();
+ {
+ if (!from_tty
+ || query ("A program is being debugged already. Kill it? "))
+ target_kill ();
else
- error ("Program not killed.");
+ error ("Program not killed.");
}
/* Calling target_kill may remove the target from the stack. But if
/* 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_link (char *modname, CORE_ADDR *t_reloc)
{
- if (STREQ(current_target.to_shortname, "rombug"))
+ if (STREQ (current_target.to_shortname, "rombug"))
{
(current_target.to_lookup_symbol) (modname, t_reloc);
if (*t_reloc == 0)
- error("Unable to link to %s and get relocation in rombug", modname);
+ error ("Unable to link to %s and get relocation in rombug", modname);
}
else
- *t_reloc = (CORE_ADDR)-1;
+ *t_reloc = (CORE_ADDR) -1;
+}
+
+int
+target_async_mask (int mask)
+{
+ int saved_async_masked_status = target_async_mask_value;
+ target_async_mask_value = mask;
+ return saved_async_masked_status;
}
/* Look through the list of possible targets for a target that can
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;
for (t = target_structs; t < target_structs + target_struct_size;
++t)
{
- if ((*t)->to_can_run && target_can_run(*t))
+ if ((*t)->to_can_run && target_can_run (*t))
{
runable = *t;
++count;
}
void
-find_default_attach (args, from_tty)
- char *args;
- int from_tty;
+find_default_attach (char *args, int from_tty)
{
struct target_ops *t;
- t = find_default_run_target("attach");
+ t = find_default_run_target ("attach");
(t->to_attach) (args, from_tty);
return;
}
void
-find_default_require_attach (args, from_tty)
- char *args;
- int from_tty;
+find_default_create_inferior (char *exec_file, char *allargs, char **env)
{
struct target_ops *t;
- t = find_default_run_target("require_attach");
- (t->to_require_attach) (args, from_tty);
+ t = find_default_run_target ("run");
+ (t->to_create_inferior) (exec_file, allargs, env);
return;
}
-void
-find_default_require_detach (pid, args, from_tty)
- int pid;
- char * args;
- int from_tty;
+static int
+default_region_size_ok_for_hw_watchpoint (int byte_count)
{
- struct target_ops *t;
-
- t = find_default_run_target("require_detach");
- (t->to_require_detach) (pid, args, from_tty);
- return;
+ return (byte_count <= DEPRECATED_REGISTER_SIZE);
}
-void
-find_default_create_inferior (exec_file, allargs, env)
- char *exec_file;
- char *allargs;
- char **env;
+static int
+return_zero (void)
{
- struct target_ops *t;
-
- t = find_default_run_target("run");
- (t->to_create_inferior) (exec_file, allargs, env);
- return;
+ return 0;
}
-void
-find_default_clone_and_follow_inferior (child_pid, followed_child)
- int child_pid;
- int *followed_child;
+static int
+return_one (void)
{
- struct target_ops *t;
-
- t = find_default_run_target("run");
- (t->to_clone_and_follow_inferior) (child_pid, followed_child);
- return;
+ return 1;
}
static int
-return_zero ()
+return_minus_one (void)
{
- return 0;
+ return -1;
}
-static int
-return_one ()
+/*
+ * Resize the to_sections pointer. Also make sure that anyone that
+ * was holding on to an old value of it gets updated.
+ * Returns the old size.
+ */
+
+int
+target_resize_to_sections (struct target_ops *target, int num_added)
{
- return 1;
+ struct target_ops **t;
+ struct section_table *old_value;
+ int old_count;
+
+ old_value = target->to_sections;
+
+ if (target->to_sections)
+ {
+ old_count = target->to_sections_end - target->to_sections;
+ target->to_sections = (struct section_table *)
+ xrealloc ((char *) target->to_sections,
+ (sizeof (struct section_table)) * (num_added + old_count));
+ }
+ else
+ {
+ old_count = 0;
+ target->to_sections = (struct section_table *)
+ xmalloc ((sizeof (struct section_table)) * num_added);
+ }
+ target->to_sections_end = target->to_sections + (num_added + old_count);
+
+ /* Check to see if anyone else was pointing to this structure.
+ If old_value was null, then no one was. */
+
+ if (old_value)
+ {
+ for (t = target_structs; t < target_structs + target_struct_size;
+ ++t)
+ {
+ if ((*t)->to_sections == old_value)
+ {
+ (*t)->to_sections = target->to_sections;
+ (*t)->to_sections_end = target->to_sections_end;
+ }
+ }
+ }
+
+ return old_count;
+
+}
+
+/* Remove all target sections taken from ABFD.
+
+ 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;
+
+ for (t = target_structs; t < target_structs + target_struct_size; t++)
+ {
+ 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);
+ }
}
+
+
+
+/* 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;
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_stratum == core_stratum)
+ if ((*t)->to_can_run && target_can_run (*t))
{
runable = *t;
++count;
}
}
-
- return(count == 1 ? runable : NULL);
+
+ return (count == 1 ? runable : NULL);
}
-\f
-/* The inferior process has died. Long live the inferior! */
-void
-generic_mourn_inferior ()
+/* 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. */
+
+struct target_ops *
+find_core_target (void)
+{
+ struct target_ops **t;
+ struct target_ops *runable = NULL;
+ int count;
+
+ count = 0;
+
+ for (t = target_structs; t < target_structs + target_struct_size;
+ ++t)
+ {
+ if ((*t)->to_stratum == core_stratum)
+ {
+ 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 (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 (void)
{
extern int show_breakpoint_hit_counts;
- inferior_pid = 0;
+ inferior_ptid = null_ptid;
attach_flag = 0;
breakpoint_init_inferior (inf_exited);
registers_changed ();
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. */
-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"},
-
-#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
- {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"}
-};
-
-/* Return the string for a signal. */
-char *
-target_signal_to_string (sig)
- enum target_signal sig;
-{
- return signals[sig].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;
+ if (detach_hook)
+ detach_hook ();
}
\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 (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 (REALTIME_LO)
- if (hostsig >= REALTIME_LO && hostsig < REALTIME_HI)
- return (enum target_signal)
- (hostsig - 33 + (int) TARGET_SIGNAL_REALTIME_33);
-#endif
- return TARGET_SIGNAL_UNKNOWN;
-}
-
-int
-target_signal_to_host (oursig)
- enum target_signal oursig;
-{
- 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 (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
-
- /* 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
-
- default:
-#if defined (REALTIME_LO)
- if (oursig >= TARGET_SIGNAL_REALTIME_33
- && oursig <= TARGET_SIGNAL_REALTIME_63)
- {
- int retsig =
- (int)oursig - (int)TARGET_SIGNAL_REALTIME_33 + REALTIME_LO;
- if (retsig < REALTIME_HI)
- return retsig;
- }
-#endif
- /* 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;
- }
-}
-
/* 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\0", pid);
- else
- sprintf (buf, "process %d\0", pid);
-
+ sprintf (buf, "process %d", PIDGET (ptid));
return buf;
}
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.)
-
+
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.
- */
-void
-normal_target_post_startup_inferior (pid)
- int pid;
+ */
+static void
+normal_target_post_startup_inferior (ptid_t ptid)
{
/* This space intentionally left blank. */
}
+/* Error-catcher for target_find_memory_regions */
+/* ARGSUSED */
+static int dummy_find_memory_regions (int (*ignore1) (), void *ignore2)
+{
+ error ("No target.");
+ return 0;
+}
+
+/* Error-catcher for target_make_corefile_notes */
+/* ARGSUSED */
+static char * dummy_make_corefile_notes (bfd *ignore1, int *ignore2)
+{
+ error ("No target.");
+ return NULL;
+}
+
+/* Set up the handful of non-empty slots needed by the dummy target
+ vector. */
+
+static void
+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_create_inferior = find_default_create_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_magic = OPS_MAGIC;
+}
\f
-#ifdef MAINTENANCE_CMDS
+
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);
- fprintf_unfiltered (gdb_stderr, "target_open (%s, %d)\n", args, from_tty);
+ fprintf_unfiltered (gdb_stdlog, "target_open (%s, %d)\n", args, from_tty);
}
static void
-debug_to_close (quitting)
- int quitting;
+debug_to_close (int quitting)
{
debug_target.to_close (quitting);
- fprintf_unfiltered (gdb_stderr, "target_close (%d)\n", quitting);
+ fprintf_unfiltered (gdb_stdlog, "target_close (%d)\n", 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);
- fprintf_unfiltered (gdb_stderr, "target_attach (%s, %d)\n", args, from_tty);
+ fprintf_unfiltered (gdb_stdlog, "target_attach (%s, %d)\n", args, from_tty);
}
static void
-debug_to_post_attach (pid)
- int pid;
+debug_to_post_attach (int pid)
{
debug_target.to_post_attach (pid);
- fprintf_unfiltered (gdb_stderr, "target_post_attach (%d)\n", 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_stderr,
- "target_require_attach (%s, %d)\n", args, from_tty);
+ fprintf_unfiltered (gdb_stdlog, "target_post_attach (%d)\n", pid);
}
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);
- fprintf_unfiltered (gdb_stderr, "target_detach (%s, %d)\n", args, from_tty);
-}
-
-static void
-debug_to_require_detach (pid, args, from_tty)
- int pid;
- char * args;
- int from_tty;
-{
- debug_target.to_require_detach (pid, args, from_tty);
-
- fprintf_unfiltered (gdb_stderr,
- "target_require_detach (%d, %s, %d)\n", pid, args, from_tty);
+ fprintf_unfiltered (gdb_stdlog, "target_detach (%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_stderr, "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_stderr,
- "target_wait (%d, status) = %d, ", pid, retval);
- fprintf_unfiltered (gdb_stderr, "status->kind = ");
+ fprintf_unfiltered (gdb_stdlog,
+ "target_wait (%d, status) = %d, ", PIDGET (ptid),
+ PIDGET (retval));
+ fprintf_unfiltered (gdb_stdlog, "status->kind = ");
switch (status->kind)
{
case TARGET_WAITKIND_EXITED:
- fprintf_unfiltered (gdb_stderr, "exited, status = %d\n",
+ fprintf_unfiltered (gdb_stdlog, "exited, status = %d\n",
status->value.integer);
break;
case TARGET_WAITKIND_STOPPED:
- fprintf_unfiltered (gdb_stderr, "stopped, signal = %s\n",
+ fprintf_unfiltered (gdb_stdlog, "stopped, signal = %s\n",
target_signal_to_name (status->value.sig));
break;
case TARGET_WAITKIND_SIGNALLED:
- fprintf_unfiltered (gdb_stderr, "signalled, signal = %s\n",
+ fprintf_unfiltered (gdb_stdlog, "signalled, signal = %s\n",
target_signal_to_name (status->value.sig));
break;
case TARGET_WAITKIND_LOADED:
- fprintf_unfiltered (gdb_stderr, "loaded\n");
+ fprintf_unfiltered (gdb_stdlog, "loaded\n");
break;
case TARGET_WAITKIND_FORKED:
- fprintf_unfiltered (gdb_stderr, "forked\n");
+ fprintf_unfiltered (gdb_stdlog, "forked\n");
break;
case TARGET_WAITKIND_VFORKED:
- fprintf_unfiltered (gdb_stderr, "vforked\n");
+ fprintf_unfiltered (gdb_stdlog, "vforked\n");
break;
case TARGET_WAITKIND_EXECD:
- fprintf_unfiltered (gdb_stderr, "execd\n");
+ fprintf_unfiltered (gdb_stdlog, "execd\n");
break;
case TARGET_WAITKIND_SPURIOUS:
- fprintf_unfiltered (gdb_stderr, "spurious\n");
+ fprintf_unfiltered (gdb_stdlog, "spurious\n");
break;
default:
- fprintf_unfiltered (gdb_stderr, "unknown???\n");
+ fprintf_unfiltered (gdb_stdlog, "unknown???\n");
break;
}
}
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_stderr, "target_post_wait (%d, %d)\n",
- pid, status);
+ fprintf_unfiltered (gdb_stdlog, "target_post_wait (%d, %d)\n",
+ 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, "%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 < REGISTER_RAW_SIZE (regno); i++)
+ {
+ fprintf_unfiltered (gdb_stdlog, "%02x", buf[i]);
+ }
+ if (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");
+}
- fprintf_unfiltered (gdb_stderr, "target_fetch_registers (%s)",
- regno != -1 ? REGISTER_NAME (regno) : "-1");
- if (regno != -1)
- fprintf_unfiltered (gdb_stderr, " = 0x%x %d",
- (unsigned long) read_register (regno),
- read_register (regno));
- fprintf_unfiltered (gdb_stderr, "\n");
+static void
+debug_to_fetch_registers (int regno)
+{
+ debug_target.to_fetch_registers (regno);
+ debug_print_register ("target_fetch_registers", regno);
}
static void
-debug_to_store_registers (regno)
- int regno;
+debug_to_store_registers (int regno)
{
debug_target.to_store_registers (regno);
-
- if (regno >= 0 && regno < NUM_REGS)
- fprintf_unfiltered (gdb_stderr, "target_store_registers (%s) = 0x%x %d\n",
- REGISTER_NAME (regno),
- (unsigned long) read_register (regno),
- (unsigned long) read_register (regno));
- else
- fprintf_unfiltered (gdb_stderr, "target_store_registers (%d)\n", 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 ();
- fprintf_unfiltered (gdb_stderr, "target_prepare_to_store ()\n");
+ fprintf_unfiltered (gdb_stdlog, "target_prepare_to_store ()\n");
}
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_stderr,
+ fprintf_unfiltered (gdb_stdlog,
"target_xfer_memory (0x%x, xxx, %d, %s, xxx) = %d",
- (unsigned int) memaddr, /* possable truncate long long */
+ (unsigned int) memaddr, /* possable truncate long long */
len, write ? "write" : "read", retval);
-
+
if (retval > 0)
{
int i;
- fputs_unfiltered (", bytes =", gdb_stderr);
+ fputs_unfiltered (", bytes =", gdb_stdlog);
for (i = 0; i < retval; i++)
{
if ((((long) &(myaddr[i])) & 0xf) == 0)
- fprintf_unfiltered (gdb_stderr, "\n");
- fprintf_unfiltered (gdb_stderr, " %02x", myaddr[i] & 0xff);
+ fprintf_unfiltered (gdb_stdlog, "\n");
+ fprintf_unfiltered (gdb_stdlog, " %02x", myaddr[i] & 0xff);
}
}
- fputc_unfiltered ('\n', gdb_stderr);
+ fputc_unfiltered ('\n', gdb_stdlog);
return retval;
}
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);
- fprintf_unfiltered (gdb_stderr, "target_files_info (xxx)\n");
+ fprintf_unfiltered (gdb_stdlog, "target_files_info (xxx)\n");
}
static int
-debug_to_insert_breakpoint (addr, save)
- CORE_ADDR addr;
- char *save;
+debug_to_insert_breakpoint (CORE_ADDR addr, char *save)
{
int retval;
retval = debug_target.to_insert_breakpoint (addr, save);
- fprintf_unfiltered (gdb_stderr,
- "target_insert_breakpoint (0x%x, xxx) = %d\n",
- (unsigned long) addr, retval);
+ fprintf_unfiltered (gdb_stdlog,
+ "target_insert_breakpoint (0x%lx, xxx) = %ld\n",
+ (unsigned long) addr,
+ (unsigned long) retval);
return 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;
retval = debug_target.to_remove_breakpoint (addr, save);
- fprintf_unfiltered (gdb_stderr,
- "target_remove_breakpoint (0x%x, xxx) = %d\n",
- (unsigned long)addr, retval);
+ fprintf_unfiltered (gdb_stdlog,
+ "target_remove_breakpoint (0x%lx, xxx) = %ld\n",
+ (unsigned long) addr,
+ (unsigned long) retval);
return retval;
}
-static void
-debug_to_terminal_init ()
+static int
+debug_to_can_use_hw_breakpoint (int type, int cnt, int from_tty)
{
- debug_target.to_terminal_init ();
+ int retval;
- fprintf_unfiltered (gdb_stderr, "target_terminal_init ()\n");
+ 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 void
-debug_to_terminal_inferior ()
+static int
+debug_to_region_size_ok_for_hw_watchpoint (int byte_count)
{
- debug_target.to_terminal_inferior ();
+ CORE_ADDR retval;
+
+ retval = debug_target.to_region_size_ok_for_hw_watchpoint (byte_count);
- fprintf_unfiltered (gdb_stderr, "target_terminal_inferior ()\n");
+ 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 void
-debug_to_terminal_ours_for_output ()
+static int
+debug_to_stopped_by_watchpoint (void)
{
- debug_target.to_terminal_ours_for_output ();
+ int retval;
+
+ retval = debug_target.to_stopped_by_watchpoint ();
- fprintf_unfiltered (gdb_stderr, "target_terminal_ours_for_output ()\n");
+ fprintf_unfiltered (gdb_stdlog,
+ "STOPPED_BY_WATCHPOINT () = %ld\n",
+ (unsigned long) retval);
+ return retval;
}
-static void
-debug_to_terminal_ours ()
+static CORE_ADDR
+debug_to_stopped_data_address (void)
{
- debug_target.to_terminal_ours ();
+ CORE_ADDR retval;
- fprintf_unfiltered (gdb_stderr, "target_terminal_ours ()\n");
+ retval = debug_target.to_stopped_data_address ();
+
+ fprintf_unfiltered (gdb_stdlog,
+ "target_stopped_data_address () = 0x%lx\n",
+ (unsigned long) retval);
+ return retval;
}
-static void
-debug_to_terminal_info (arg, from_tty)
- char *arg;
- int from_tty;
+static int
+debug_to_insert_hw_breakpoint (CORE_ADDR addr, char *save)
{
- debug_target.to_terminal_info (arg, from_tty);
+ int retval;
- fprintf_unfiltered (gdb_stderr, "target_terminal_info (%s, %d)\n", arg,
- from_tty);
+ 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 void
-debug_to_kill ()
+static int
+debug_to_remove_hw_breakpoint (CORE_ADDR addr, char *save)
{
- debug_target.to_kill ();
+ int retval;
+
+ retval = debug_target.to_remove_hw_breakpoint (addr, save);
- fprintf_unfiltered (gdb_stderr, "target_kill ()\n");
+ fprintf_unfiltered (gdb_stdlog,
+ "target_remove_hw_breakpoint (0x%lx, xxx) = %ld\n",
+ (unsigned long) addr,
+ (unsigned long) retval);
+ return retval;
}
-static void
-debug_to_load (args, from_tty)
- char *args;
- int from_tty;
+static int
+debug_to_insert_watchpoint (CORE_ADDR addr, int len, int type)
{
- debug_target.to_load (args, from_tty);
+ int retval;
+
+ retval = debug_target.to_insert_watchpoint (addr, len, type);
- fprintf_unfiltered (gdb_stderr, "target_load (%s, %d)\n", args, from_tty);
+ 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_lookup_symbol (name, addrp)
- char *name;
- CORE_ADDR *addrp;
+debug_to_remove_watchpoint (CORE_ADDR addr, int len, int type)
{
int retval;
- retval = debug_target.to_lookup_symbol (name, addrp);
-
- fprintf_unfiltered (gdb_stderr, "target_lookup_symbol (%s, xxx)\n", name);
+ 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_create_inferior (exec_file, args, env)
- char *exec_file;
- char *args;
- char **env;
+debug_to_terminal_init (void)
{
- debug_target.to_create_inferior (exec_file, args, env);
+ debug_target.to_terminal_init ();
- fprintf_unfiltered (gdb_stderr, "target_create_inferior (%s, %s, xxx)\n",
- exec_file, args);
+ fprintf_unfiltered (gdb_stdlog, "target_terminal_init ()\n");
}
static void
-debug_to_post_startup_inferior (pid)
- int pid;
+debug_to_terminal_inferior (void)
{
- debug_target.to_post_startup_inferior (pid);
+ debug_target.to_terminal_inferior ();
- fprintf_unfiltered (gdb_stderr, "target_post_startup_inferior (%d)\n",
- pid);
+ fprintf_unfiltered (gdb_stdlog, "target_terminal_inferior ()\n");
}
static void
-debug_to_acknowledge_created_inferior (pid)
- int pid;
+debug_to_terminal_ours_for_output (void)
{
- debug_target.to_acknowledge_created_inferior (pid);
+ debug_target.to_terminal_ours_for_output ();
- fprintf_unfiltered (gdb_stderr, "target_acknowledge_created_inferior (%d)\n",
- pid);
+ fprintf_unfiltered (gdb_stdlog, "target_terminal_ours_for_output ()\n");
}
static void
-debug_to_clone_and_follow_inferior (child_pid, followed_child)
- int child_pid;
- int *followed_child;
+debug_to_terminal_ours (void)
{
- debug_target.to_clone_and_follow_inferior (child_pid, followed_child);
+ debug_target.to_terminal_ours ();
- fprintf_unfiltered (gdb_stderr,
- "target_clone_and_follow_inferior (%d, %d)\n",
- child_pid, *followed_child);
+ fprintf_unfiltered (gdb_stdlog, "target_terminal_ours ()\n");
}
static void
-debug_to_post_follow_inferior_by_clone ()
+debug_to_terminal_save_ours (void)
{
- debug_target.to_post_follow_inferior_by_clone ();
+ debug_target.to_terminal_save_ours ();
- fprintf_unfiltered (gdb_stderr, "target_post_follow_inferior_by_clone ()\n");
+ fprintf_unfiltered (gdb_stdlog, "target_terminal_save_ours ()\n");
}
-static int
-debug_to_insert_fork_catchpoint (pid)
- int pid;
+static void
+debug_to_terminal_info (char *arg, int from_tty)
{
- int retval;
-
- retval = debug_target.to_insert_fork_catchpoint (pid);
-
- fprintf_unfiltered (gdb_stderr, "target_insert_fork_catchpoint (%d) = %d\n",
- pid, retval);
+ debug_target.to_terminal_info (arg, from_tty);
- return retval;
+ fprintf_unfiltered (gdb_stdlog, "target_terminal_info (%s, %d)\n", arg,
+ from_tty);
}
-static int
-debug_to_remove_fork_catchpoint (pid)
- int pid;
+static void
+debug_to_kill (void)
{
- int retval;
+ debug_target.to_kill ();
- retval = debug_target.to_remove_fork_catchpoint (pid);
+ fprintf_unfiltered (gdb_stdlog, "target_kill ()\n");
+}
- fprintf_unfiltered (gdb_stderr, "target_remove_fork_catchpoint (%d) = %d\n",
- pid, retval);
+static void
+debug_to_load (char *args, int from_tty)
+{
+ debug_target.to_load (args, from_tty);
- return retval;
+ fprintf_unfiltered (gdb_stdlog, "target_load (%s, %d)\n", args, from_tty);
}
static int
-debug_to_insert_vfork_catchpoint (pid)
- int pid;
+debug_to_lookup_symbol (char *name, CORE_ADDR *addrp)
{
- int retval;
+ int retval;
- retval = debug_target.to_insert_vfork_catchpoint (pid);
+ retval = debug_target.to_lookup_symbol (name, addrp);
- fprintf_unfiltered (gdb_stderr, "target_insert_vfork_catchpoint (%d)= %d\n",
- pid, retval);
+ fprintf_unfiltered (gdb_stdlog, "target_lookup_symbol (%s, xxx)\n", name);
return retval;
}
-static int
-debug_to_remove_vfork_catchpoint (pid)
- int pid;
+static void
+debug_to_create_inferior (char *exec_file, char *args, char **env)
{
- int retval;
-
- retval = debug_target.to_remove_vfork_catchpoint (pid);
-
- fprintf_unfiltered (gdb_stderr, "target_remove_vfork_catchpoint (%d) = %d\n",
- pid, retval);
+ debug_target.to_create_inferior (exec_file, args, env);
- return retval;
+ fprintf_unfiltered (gdb_stdlog, "target_create_inferior (%s, %s, xxx)\n",
+ exec_file, args);
}
-static int
-debug_to_has_forked (pid, child_pid)
- int pid;
- int * child_pid;
+static void
+debug_to_post_startup_inferior (ptid_t ptid)
{
- int has_forked;
+ debug_target.to_post_startup_inferior (ptid);
- has_forked = debug_target.to_has_forked (pid, child_pid);
+ fprintf_unfiltered (gdb_stdlog, "target_post_startup_inferior (%d)\n",
+ PIDGET (ptid));
+}
- fprintf_unfiltered (gdb_stderr, "target_has_forked (%d, %d) = %d\n",
- pid, *child_pid, has_forked);
+static void
+debug_to_acknowledge_created_inferior (int pid)
+{
+ debug_target.to_acknowledge_created_inferior (pid);
- return has_forked;
+ fprintf_unfiltered (gdb_stdlog, "target_acknowledge_created_inferior (%d)\n",
+ pid);
}
static int
-debug_to_has_vforked (pid, child_pid)
- int pid;
- int * child_pid;
+debug_to_insert_fork_catchpoint (int pid)
{
- int has_vforked;
+ int retval;
- has_vforked = debug_target.to_has_vforked (pid, child_pid);
+ retval = debug_target.to_insert_fork_catchpoint (pid);
- fprintf_unfiltered (gdb_stderr, "target_has_vforked (%d, %d) = %d\n",
- pid, *child_pid, has_vforked);
+ fprintf_unfiltered (gdb_stdlog, "target_insert_fork_catchpoint (%d) = %d\n",
+ pid, retval);
- return has_vforked;
+ return retval;
}
static int
-debug_to_can_follow_vfork_prior_to_exec ()
+debug_to_remove_fork_catchpoint (int pid)
{
- int can_immediately_follow_vfork;
+ int retval;
- can_immediately_follow_vfork = debug_target.to_can_follow_vfork_prior_to_exec ();
+ retval = debug_target.to_remove_fork_catchpoint (pid);
- fprintf_unfiltered (gdb_stderr, "target_can_follow_vfork_prior_to_exec () = %d\n",
- can_immediately_follow_vfork);
+ fprintf_unfiltered (gdb_stdlog, "target_remove_fork_catchpoint (%d) = %d\n",
+ pid, retval);
- return can_immediately_follow_vfork;
+ return retval;
}
-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;
+static int
+debug_to_insert_vfork_catchpoint (int pid)
{
- debug_target.to_post_follow_vfork (parent_pid, followed_parent, child_pid, followed_child);
+ int retval;
- fprintf_unfiltered (gdb_stderr,
- "target_post_follow_vfork (%d, %d, %d, %d)\n",
- parent_pid, followed_parent, child_pid, followed_child);
+ retval = debug_target.to_insert_vfork_catchpoint (pid);
+
+ fprintf_unfiltered (gdb_stdlog, "target_insert_vfork_catchpoint (%d)= %d\n",
+ pid, retval);
+
+ return retval;
}
static int
-debug_to_insert_exec_catchpoint (pid)
- int pid;
+debug_to_remove_vfork_catchpoint (int pid)
{
- int retval;
+ int retval;
- retval = debug_target.to_insert_exec_catchpoint (pid);
+ retval = debug_target.to_remove_vfork_catchpoint (pid);
- fprintf_unfiltered (gdb_stderr, "target_insert_exec_catchpoint (%d) = %d\n",
- pid, retval);
+ fprintf_unfiltered (gdb_stdlog, "target_remove_vfork_catchpoint (%d) = %d\n",
+ pid, retval);
return retval;
}
static int
-debug_to_remove_exec_catchpoint (pid)
- int pid;
+debug_to_follow_fork (int follow_child)
{
- int retval;
-
- retval = debug_target.to_remove_exec_catchpoint (pid);
+ int retval = debug_target.to_follow_fork (follow_child);
- fprintf_unfiltered (gdb_stderr, "target_remove_exec_catchpoint (%d) = %d\n",
- pid, retval);
+ fprintf_unfiltered (gdb_stdlog, "target_follow_fork (%d) = %d\n",
+ follow_child, retval);
return retval;
}
static int
-debug_to_has_execd (pid, execd_pathname)
- int pid;
- char ** execd_pathname;
+debug_to_insert_exec_catchpoint (int pid)
{
- int has_execd;
+ int retval;
- has_execd = debug_target.to_has_execd (pid, execd_pathname);
+ retval = debug_target.to_insert_exec_catchpoint (pid);
- fprintf_unfiltered (gdb_stderr, "target_has_execd (%d, %s) = %d\n",
- pid, *execd_pathname, has_execd);
+ fprintf_unfiltered (gdb_stdlog, "target_insert_exec_catchpoint (%d) = %d\n",
+ pid, retval);
- return has_execd;
+ return retval;
}
static int
-debug_to_reported_exec_events_per_exec_call ()
+debug_to_remove_exec_catchpoint (int pid)
{
- int reported_exec_events;
+ int retval;
- reported_exec_events = debug_target.to_reported_exec_events_per_exec_call ();
+ retval = debug_target.to_remove_exec_catchpoint (pid);
- fprintf_unfiltered (gdb_stderr,
- "target_reported_exec_events_per_exec_call () = %d\n",
- reported_exec_events);
+ fprintf_unfiltered (gdb_stdlog, "target_remove_exec_catchpoint (%d) = %d\n",
+ pid, retval);
- return reported_exec_events;
+ return retval;
}
static int
-debug_to_has_syscall_event (pid, kind, syscall_id)
- int pid;
- enum target_waitkind * kind;
- int * syscall_id;
+debug_to_reported_exec_events_per_exec_call (void)
{
- int has_syscall_event;
- char * kind_spelling = "??";
+ int reported_exec_events;
- 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;
- }
- }
+ reported_exec_events = debug_target.to_reported_exec_events_per_exec_call ();
- fprintf_unfiltered (gdb_stderr,
- "target_has_syscall_event (%d, %s, %d) = %d\n",
- pid, kind_spelling, *syscall_id, has_syscall_event);
+ fprintf_unfiltered (gdb_stdlog,
+ "target_reported_exec_events_per_exec_call () = %d\n",
+ reported_exec_events);
- return has_syscall_event;
+ return reported_exec_events;
}
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;
+ int has_exited;
has_exited = debug_target.to_has_exited (pid, wait_status, exit_status);
- fprintf_unfiltered (gdb_stderr, "target_has_exited (%d, %d, %d) = %d\n",
- pid, wait_status, *exit_status, has_exited);
+ fprintf_unfiltered (gdb_stdlog, "target_has_exited (%d, %d, %d) = %d\n",
+ pid, wait_status, *exit_status, has_exited);
return has_exited;
}
static void
-debug_to_mourn_inferior ()
+debug_to_mourn_inferior (void)
{
debug_target.to_mourn_inferior ();
- fprintf_unfiltered (gdb_stderr, "target_mourn_inferior ()\n");
+ fprintf_unfiltered (gdb_stdlog, "target_mourn_inferior ()\n");
}
static int
-debug_to_can_run ()
+debug_to_can_run (void)
{
int retval;
retval = debug_target.to_can_run ();
- fprintf_unfiltered (gdb_stderr, "target_can_run () = %d\n", retval);
+ fprintf_unfiltered (gdb_stdlog, "target_can_run () = %d\n", retval);
return 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_stderr, "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_stderr, "target_thread_alive (%d) = %d\n",
- pid, retval);
+ fprintf_unfiltered (gdb_stdlog, "target_thread_alive (%d) = %d\n",
+ PIDGET (ptid), retval);
return retval;
}
static void
-debug_to_stop ()
+debug_to_find_new_threads (void)
+{
+ debug_target.to_find_new_threads ();
+
+ fputs_unfiltered ("target_find_new_threads ()\n", gdb_stdlog);
+}
+
+static void
+debug_to_stop (void)
{
debug_target.to_stop ();
- fprintf_unfiltered (gdb_stderr, "target_stop ()\n");
+ fprintf_unfiltered (gdb_stdlog, "target_stop ()\n");
}
static int
-debug_to_query (type, req, resp, siz)
- char type;
- char *req;
- char *resp;
- int *siz;
+debug_to_query (int type, char *req, char *resp, int *siz)
{
int retval;
retval = debug_target.to_query (type, req, resp, siz);
- fprintf_unfiltered (stderr, "target_query (%c, %s, %s, %d) = %d\n", type, req, resp, *siz, retval);
+ fprintf_unfiltered (gdb_stdlog, "target_query (%c, %s, %s, %d) = %d\n", type, req, resp, *siz, retval);
return retval;
}
-static struct symtab_and_line *
-debug_to_enable_exception_callback (kind, enable)
- enum exception_event_kind kind;
- int enable;
+static void
+debug_to_rcmd (char *command,
+ struct ui_file *outbuf)
{
- debug_target.to_enable_exception_callback (kind, enable);
+ debug_target.to_rcmd (command, outbuf);
+ fprintf_unfiltered (gdb_stdlog, "target_rcmd (%s, ...)\n", command);
+}
- fprintf_unfiltered (gdb_stderr,
+static struct symtab_and_line *
+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);
+ fprintf_unfiltered (gdb_stdlog,
"target get_exception_callback_sal (%d, %d)\n",
kind, enable);
+ return result;
}
static struct exception_event_record *
-debug_to_get_current_exception_event ()
+debug_to_get_current_exception_event (void)
{
- debug_target.to_get_current_exception_event();
-
- fprintf_unfiltered (gdb_stderr, "target get_current_exception_event ()\n");
+ struct exception_event_record *result;
+ result = debug_target.to_get_current_exception_event ();
+ fprintf_unfiltered (gdb_stdlog, "target get_current_exception_event ()\n");
+ return result;
}
static char *
-debug_to_pid_to_exec_file (pid)
- int pid;
+debug_to_pid_to_exec_file (int pid)
{
- char * exec_file;
+ char *exec_file;
exec_file = debug_target.to_pid_to_exec_file (pid);
- fprintf_unfiltered (gdb_stderr, "target_pid_to_exec_file (%d) = %s\n",
- pid, exec_file);
+ fprintf_unfiltered (gdb_stdlog, "target_pid_to_exec_file (%d) = %s\n",
+ pid, 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_stderr, "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_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_notice_signals = debug_to_notice_signals;
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_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;
}
-#endif /* MAINTENANCE_CMDS */
\f
-static char targ_desc[] =
- "Names of targets and files being debugged.\n\
+
+static char targ_desc[] =
+"Names of targets and files being debugged.\n\
Shows the entire stack of targets currently in use (including the exec-file,\n\
core-file, and process, if any), as well as the symbol file name.";
+static void
+do_monitor_command (char *cmd,
+ int from_tty)
+{
+ if ((current_target.to_rcmd
+ == (void (*) (char *, struct ui_file *)) tcomplain)
+ || (current_target.to_rcmd == debug_to_rcmd
+ && (debug_target.to_rcmd
+ == (void (*) (char *, struct ui_file *)) tcomplain)))
+ {
+ error ("\"monitor\" command not supported by this target.\n");
+ }
+ target_rcmd (cmd, gdb_stdtarg);
+}
+
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);
-#ifdef MAINTENANCE_CMDS
- 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);
-#endif
-
- if (!STREQ (signals[TARGET_SIGNAL_LAST].string, "TARGET_SIGNAL_MAGIC"))
- abort ();
+ 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).");
+
+ target_dcache = dcache_init ();
}
projects / deliverable / binutils-gdb.git / blobdiff