/* Select target systems and architectures at runtime for GDB.
- Copyright 1990, 1992-1995, 1998, 1999 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.
#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 *);
-static void nosupport_runtime PARAMS ((void));
+static void update_current_target (void);
-static void normal_target_post_startup_inferior PARAMS ((int pid));
+static void nosupport_runtime (void);
+
+static void normal_target_post_startup_inferior (ptid_t ptid);
/* Transfer LEN bytes between target address MEMADDR and GDB address
MYADDR. Returns 0 for success, errno code for failure (which
partial transfers, try either target_read_memory_partial or
target_write_memory_partial). */
-static int
-target_xfer_memory PARAMS ((CORE_ADDR memaddr, char *myaddr, int len,
- int write, asection * bfd_section));
+static int target_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len,
+ int write);
-static void init_dummy_target PARAMS ((void));
+static void init_dummy_target (void);
-static void
-debug_to_open PARAMS ((char *, int));
+static void debug_to_open (char *, int);
-static void
-debug_to_close PARAMS ((int));
+static void debug_to_close (int);
-static void
-debug_to_attach PARAMS ((char *, int));
+static void debug_to_attach (char *, int);
-static void
-debug_to_detach PARAMS ((char *, int));
+static void debug_to_detach (char *, int);
-static void
-debug_to_resume PARAMS ((int, int, enum target_signal));
+static void debug_to_resume (ptid_t, int, enum target_signal);
-static int
-debug_to_wait PARAMS ((int, struct target_waitstatus *));
+static ptid_t debug_to_wait (ptid_t, struct target_waitstatus *);
-static void
-debug_to_fetch_registers PARAMS ((int));
+static void debug_to_fetch_registers (int);
-static void
-debug_to_store_registers PARAMS ((int));
+static void debug_to_store_registers (int);
-static void
-debug_to_prepare_to_store PARAMS ((void));
+static void debug_to_prepare_to_store (void);
-static int
-debug_to_xfer_memory PARAMS ((CORE_ADDR, char *, int, int, struct target_ops *));
+static int debug_to_xfer_memory (CORE_ADDR, char *, int, int,
+ struct mem_attrib *, struct target_ops *);
-static void
-debug_to_files_info PARAMS ((struct target_ops *));
+static void debug_to_files_info (struct target_ops *);
-static int
-debug_to_insert_breakpoint PARAMS ((CORE_ADDR, char *));
+static int debug_to_insert_breakpoint (CORE_ADDR, char *);
-static int
-debug_to_remove_breakpoint PARAMS ((CORE_ADDR, char *));
+static int debug_to_remove_breakpoint (CORE_ADDR, char *);
-static void
-debug_to_terminal_init PARAMS ((void));
+static int debug_to_can_use_hw_breakpoint (int, int, int);
-static void
-debug_to_terminal_inferior PARAMS ((void));
+static int debug_to_insert_hw_breakpoint (CORE_ADDR, char *);
-static void
-debug_to_terminal_ours_for_output PARAMS ((void));
+static int debug_to_remove_hw_breakpoint (CORE_ADDR, char *);
-static void
-debug_to_terminal_ours PARAMS ((void));
+static int debug_to_insert_watchpoint (CORE_ADDR, int, int);
-static void
-debug_to_terminal_info PARAMS ((char *, int));
+static int debug_to_remove_watchpoint (CORE_ADDR, int, int);
-static void
-debug_to_kill PARAMS ((void));
+static int debug_to_stopped_by_watchpoint (void);
-static void
-debug_to_load PARAMS ((char *, int));
+static CORE_ADDR debug_to_stopped_data_address (void);
-static int
-debug_to_lookup_symbol PARAMS ((char *, CORE_ADDR *));
+static int debug_to_region_size_ok_for_hw_watchpoint (int);
-static void
-debug_to_create_inferior PARAMS ((char *, char *, char **));
+static void debug_to_terminal_init (void);
-static void
-debug_to_mourn_inferior PARAMS ((void));
+static void debug_to_terminal_inferior (void);
-static int
-debug_to_can_run PARAMS ((void));
+static void debug_to_terminal_ours_for_output (void);
-static void
-debug_to_notice_signals PARAMS ((int));
+static void debug_to_terminal_save_ours (void);
-static int
-debug_to_thread_alive PARAMS ((int));
+static void debug_to_terminal_ours (void);
-static void
-debug_to_stop PARAMS ((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 int debug_to_query PARAMS ((int /*char */ , char *, char *, int *));
+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
static int targetdebug = 0;
-static void setup_target_debug PARAMS ((void));
+static void setup_target_debug (void);
+
+DCACHE *target_dcache;
/* The user just typed 'target' without the name of a target. */
/* ARGSUSED */
static void
-target_command (arg, from_tty)
- char *arg;
- int from_tty;
+target_command (char *arg, int from_tty)
{
fputs_filtered ("Argument required (target name). Try `help target'\n",
gdb_stdout);
/* Add a possible target architecture to the list. */
void
-add_target (t)
- struct target_ops *t;
+add_target (struct target_ops *t)
{
if (!target_structs)
{
/* Stub functions */
void
-target_ignore ()
+target_ignore (void)
{
}
void
target_load (char *arg, int from_tty)
{
+ dcache_invalidate (target_dcache);
(*current_target.to_load) (arg, from_tty);
}
/* ARGSUSED */
static int
-nomemory (memaddr, myaddr, len, write, t)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
- int write;
- struct target_ops *t;
+nomemory (CORE_ADDR memaddr, char *myaddr, int len, int write,
+ struct target_ops *t)
{
errno = EIO; /* Can't read/write this location */
return 0; /* No bytes handled */
}
static void
-tcomplain ()
+tcomplain (void)
{
error ("You can't do that when your target is `%s'",
current_target.to_shortname);
}
void
-noprocess ()
+noprocess (void)
{
error ("You can't do that without a process to debug.");
}
/* ARGSUSED */
static int
-nosymbol (name, addrp)
- char *name;
- CORE_ADDR *addrp;
+nosymbol (char *name, CORE_ADDR *addrp)
{
return 1; /* Symbol does not exist in target env */
}
/* ARGSUSED */
static void
-nosupport_runtime ()
+nosupport_runtime (void)
{
- if (!inferior_pid)
+ if (ptid_equal (inferior_ptid, null_ptid))
noprocess ();
else
error ("No run-time support for this");
/* ARGSUSED */
static void
-default_terminal_info (args, from_tty)
- char *args;
- int from_tty;
+default_terminal_info (char *args, int from_tty)
{
printf_unfiltered ("No saved terminal information.\n");
}
the target, and the operation should be attempted. */
static void
-kill_or_be_killed (from_tty)
- int from_tty;
+kill_or_be_killed (int from_tty)
{
if (target_has_execution)
{
}
static void
-maybe_kill_then_attach (args, from_tty)
- char *args;
- int from_tty;
+maybe_kill_then_attach (char *args, int from_tty)
{
kill_or_be_killed (from_tty);
target_attach (args, from_tty);
}
static void
-maybe_kill_then_create_inferior (exec, args, env)
- char *exec;
- char *args;
- char **env;
+maybe_kill_then_create_inferior (char *exec, char *args, char **env)
{
kill_or_be_killed (0);
target_create_inferior (exec, args, env);
}
-static void
-default_clone_and_follow_inferior (child_pid, followed_child)
- int child_pid;
- int *followed_child;
-{
- target_clone_and_follow_inferior (child_pid, followed_child);
-}
-
/* 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 ((int /*char */ , char *, char *, int *))) target_ignore);
- de_fault (to_rcmd, (void (*) (char *, struct gdb_file *)) tcomplain);
- 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);
- 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);
+ 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_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;
fprintf_unfiltered (gdb_stderr,
"Magic number of %s target struct wrong\n",
t->to_shortname);
- abort ();
+ internal_error (__FILE__, __LINE__, "failed internal consistency check");
}
/* Find the proper stratum to install this target in. */
else
target_stack = cur->next; /* Unchain first on list */
tmp = cur->next;
- free (cur);
+ xfree (cur);
cur = tmp;
}
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 */
if (unpush_target (target_stack->target_ops) == 1)
fprintf_unfiltered (gdb_stderr,
"pop_target couldn't find target %s\n",
current_target.to_shortname);
- abort ();
+ internal_error (__FILE__, __LINE__, "failed internal consistency check");
}
#undef MIN
read. */
int
-target_read_string (memaddr, string, len, errnop)
- CORE_ADDR memaddr;
- char **string;
- int len;
- int *errnop;
+target_read_string (CORE_ADDR memaddr, char **string, int len, int *errnop)
{
int tlen, origlen, offset, i;
char buf[4];
tlen = MIN (len, 4 - (memaddr & 3));
offset = memaddr & 3;
- errcode = target_xfer_memory (memaddr & ~3, buf, 4, 0, NULL);
+ errcode = target_xfer_memory (memaddr & ~3, buf, 4, 0);
if (errcode != 0)
{
/* The transfer request might have crossed the boundary to an
a single byte. */
tlen = 1;
offset = 0;
- errcode = target_xfer_memory (memaddr, buf, 1, 0, NULL);
+ errcode = target_xfer_memory (memaddr, buf, 1, 0);
if (errcode != 0)
goto done;
}
deal with partial reads should call target_read_memory_partial. */
int
-target_read_memory (memaddr, myaddr, len)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
-{
- return target_xfer_memory (memaddr, myaddr, len, 0, NULL);
-}
-
-int
-target_read_memory_section (memaddr, myaddr, len, bfd_section)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
- asection *bfd_section;
+target_read_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, 0);
}
int
-target_write_memory (memaddr, myaddr, len)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
+target_write_memory (CORE_ADDR memaddr, char *myaddr, int len)
{
- return target_xfer_memory (memaddr, myaddr, len, 1, NULL);
+ return target_xfer_memory (memaddr, myaddr, len, 1);
}
-/* 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;
+static int trust_readonly = 0;
-/* 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.
+/* 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 0 or errno value. */
+ Result is -1 on error, or the number of bytes transfered. */
-static int
-target_xfer_memory (memaddr, myaddr, len, write, bfd_section)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
- int write;
- asection *bfd_section;
-{
- int curlen;
+int
+do_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write,
+ struct mem_attrib *attrib)
+{
int res;
+ int done = 0;
struct target_ops *t;
struct target_stack_item *item;
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. */
- if (res > 0)
- goto bump;
- /* If res <= 0 then we call it again in the loop. Ah well. */
+ struct section_table *secp;
- for (; len > 0;)
+ 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);
+ }
+ }
+
+ /* 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);
+
+ /* 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. */
+/* Perform a partial memory transfer.
+
+ Result is -1 on error, or the number of bytes transfered. */
static int
-target_xfer_memory_partial (CORE_ADDR memaddr, char *buf, int len,
+target_xfer_memory_partial (CORE_ADDR memaddr, char *myaddr, int len,
int write_p, int *err)
{
int res;
- int err_res;
- int len_res;
- struct target_ops *t;
- struct target_stack_item *item;
+ int reg_len;
+ struct mem_region *region;
/* Zero length requests are ok and require no work. */
if (len == 0)
return 0;
}
- /* The quick case is that the top target does it all. */
- res = current_target.to_xfer_memory (memaddr, buf, len, write_p, ¤t_target);
- if (res > 0)
- {
- *err = 0;
- return res;
- }
-
- /* xfer memory doesn't always reliably set errno. */
- errno = 0;
+ region = lookup_mem_region(memaddr);
+ if (memaddr + len < region->hi)
+ reg_len = len;
+ else
+ reg_len = region->hi - memaddr;
- /* Try all levels of the target stack to see one can handle it. */
- for (item = target_stack; item; item = item->next)
+ switch (region->attrib.mode)
{
- t = item->target_ops;
- if (!t->to_has_memory)
- continue;
- res = t->to_xfer_memory (memaddr, buf, len, write_p, t);
- if (res > 0)
+ case MEM_RO:
+ if (write_p)
{
- /* Handled all or part of xfer */
- *err = 0;
- return res;
+ *err = EIO;
+ return -1;
}
- if (t->to_has_all_memory)
- break;
+ break;
+
+ case MEM_WO:
+ if (write_p)
+ {
+ *err = EIO;
+ return -1;
+ }
+ break;
}
- /* Total failure. Return error. */
- if (errno != 0)
+ if (region->attrib.cache)
+ res = dcache_xfer_memory (target_dcache, memaddr, myaddr,
+ reg_len, write_p);
+ else
+ res = do_xfer_memory (memaddr, myaddr, reg_len, write_p,
+ ®ion->attrib);
+
+ if (res <= 0)
{
- *err = errno;
- return -1;
+ if (errno != 0)
+ *err = errno;
+ else
+ *err = EIO;
+
+ return -1;
}
- *err = EIO;
- return -1;
+
+ *err = 0;
+ return res;
}
int
/* 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;
anything. */
void
-target_preopen (from_tty)
- int from_tty;
+target_preopen (int from_tty)
{
dont_repeat ();
/* Detach a target after doing deferred register stores. */
void
-target_detach (args, from_tty)
- char *args;
- int from_tty;
+target_detach (char *args, int from_tty)
{
/* Handle any optimized stores to the inferior. */
#ifdef DO_DEFERRED_STORES
}
void
-target_link (modname, t_reloc)
- char *modname;
- CORE_ADDR *t_reloc;
+target_link (char *modname, CORE_ADDR *t_reloc)
{
if (STREQ (current_target.to_shortname, "rombug"))
{
*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
execute a run or attach command without any other data. This is
used to locate the default process stratum.
Result is always valid (error() is called for errors). */
static struct target_ops *
-find_default_run_target (do_mesg)
- char *do_mesg;
+find_default_run_target (char *do_mesg)
{
struct target_ops **t;
struct target_ops *runable = NULL;
}
void
-find_default_attach (args, from_tty)
- char *args;
- int from_tty;
+find_default_attach (char *args, int from_tty)
{
struct target_ops *t;
}
void
-find_default_require_attach (args, from_tty)
- char *args;
- int from_tty;
-{
- struct target_ops *t;
-
- t = find_default_run_target ("require_attach");
- (t->to_require_attach) (args, from_tty);
- return;
-}
-
-void
-find_default_require_detach (pid, args, from_tty)
- int pid;
- char *args;
- int from_tty;
-{
- struct target_ops *t;
-
- t = find_default_run_target ("require_detach");
- (t->to_require_detach) (pid, args, from_tty);
- return;
-}
-
-void
-find_default_create_inferior (exec_file, allargs, env)
- char *exec_file;
- char *allargs;
- char **env;
+find_default_create_inferior (char *exec_file, char *allargs, char **env)
{
struct target_ops *t;
return;
}
-void
-find_default_clone_and_follow_inferior (child_pid, followed_child)
- int child_pid;
- int *followed_child;
+static int
+default_region_size_ok_for_hw_watchpoint (int byte_count)
{
- struct target_ops *t;
-
- t = find_default_run_target ("run");
- (t->to_clone_and_follow_inferior) (child_pid, followed_child);
- return;
+ return (byte_count <= DEPRECATED_REGISTER_SIZE);
}
static int
-return_zero ()
+return_zero (void)
{
return 0;
}
static int
-return_one ()
+return_one (void)
{
return 1;
}
+static int
+return_minus_one (void)
+{
+ return -1;
+}
+
/*
* Resize the to_sections pointer. Also make sure that anyone that
* was holding on to an old value of it gets updated.
}
+/* 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_run_target ()
+find_run_target (void)
{
struct target_ops **t;
struct target_ops *runable = NULL;
return (count == 1 ? runable : NULL);
}
+/* Find a single core_stratum target in the list of targets and return it.
+ If for some reason there is more than one, return NULL. */
+
struct target_ops *
-find_core_target ()
+find_core_target (void)
{
struct target_ops **t;
struct target_ops *runable = NULL;
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 ()
+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 ();
+
+ if (detach_hook)
+ detach_hook ();
}
\f
-/* This table must match in order and size the signals in enum target_signal
- in target.h. */
-/* *INDENT-OFF* */
-static struct {
- char *name;
- char *string;
- } signals [] =
-{
- {"0", "Signal 0"},
- {"SIGHUP", "Hangup"},
- {"SIGINT", "Interrupt"},
- {"SIGQUIT", "Quit"},
- {"SIGILL", "Illegal instruction"},
- {"SIGTRAP", "Trace/breakpoint trap"},
- {"SIGABRT", "Aborted"},
- {"SIGEMT", "Emulation trap"},
- {"SIGFPE", "Arithmetic exception"},
- {"SIGKILL", "Killed"},
- {"SIGBUS", "Bus error"},
- {"SIGSEGV", "Segmentation fault"},
- {"SIGSYS", "Bad system call"},
- {"SIGPIPE", "Broken pipe"},
- {"SIGALRM", "Alarm clock"},
- {"SIGTERM", "Terminated"},
- {"SIGURG", "Urgent I/O condition"},
- {"SIGSTOP", "Stopped (signal)"},
- {"SIGTSTP", "Stopped (user)"},
- {"SIGCONT", "Continued"},
- {"SIGCHLD", "Child status changed"},
- {"SIGTTIN", "Stopped (tty input)"},
- {"SIGTTOU", "Stopped (tty output)"},
- {"SIGIO", "I/O possible"},
- {"SIGXCPU", "CPU time limit exceeded"},
- {"SIGXFSZ", "File size limit exceeded"},
- {"SIGVTALRM", "Virtual timer expired"},
- {"SIGPROF", "Profiling timer expired"},
- {"SIGWINCH", "Window size changed"},
- {"SIGLOST", "Resource lost"},
- {"SIGUSR1", "User defined signal 1"},
- {"SIGUSR2", "User defined signal 2"},
- {"SIGPWR", "Power fail/restart"},
- {"SIGPOLL", "Pollable event occurred"},
- {"SIGWIND", "SIGWIND"},
- {"SIGPHONE", "SIGPHONE"},
- {"SIGWAITING", "Process's LWPs are blocked"},
- {"SIGLWP", "Signal LWP"},
- {"SIGDANGER", "Swap space dangerously low"},
- {"SIGGRANT", "Monitor mode granted"},
- {"SIGRETRACT", "Need to relinquish monitor mode"},
- {"SIGMSG", "Monitor mode data available"},
- {"SIGSOUND", "Sound completed"},
- {"SIGSAK", "Secure attention"},
- {"SIGPRIO", "SIGPRIO"},
- {"SIG33", "Real-time event 33"},
- {"SIG34", "Real-time event 34"},
- {"SIG35", "Real-time event 35"},
- {"SIG36", "Real-time event 36"},
- {"SIG37", "Real-time event 37"},
- {"SIG38", "Real-time event 38"},
- {"SIG39", "Real-time event 39"},
- {"SIG40", "Real-time event 40"},
- {"SIG41", "Real-time event 41"},
- {"SIG42", "Real-time event 42"},
- {"SIG43", "Real-time event 43"},
- {"SIG44", "Real-time event 44"},
- {"SIG45", "Real-time event 45"},
- {"SIG46", "Real-time event 46"},
- {"SIG47", "Real-time event 47"},
- {"SIG48", "Real-time event 48"},
- {"SIG49", "Real-time event 49"},
- {"SIG50", "Real-time event 50"},
- {"SIG51", "Real-time event 51"},
- {"SIG52", "Real-time event 52"},
- {"SIG53", "Real-time event 53"},
- {"SIG54", "Real-time event 54"},
- {"SIG55", "Real-time event 55"},
- {"SIG56", "Real-time event 56"},
- {"SIG57", "Real-time event 57"},
- {"SIG58", "Real-time event 58"},
- {"SIG59", "Real-time event 59"},
- {"SIG60", "Real-time event 60"},
- {"SIG61", "Real-time event 61"},
- {"SIG62", "Real-time event 62"},
- {"SIG63", "Real-time event 63"},
- {"SIGCANCEL", "LWP internal signal"},
- {"SIG32", "Real-time event 32"},
-
-#if defined(MACH) || defined(__MACH__)
- /* Mach exceptions */
- {"EXC_BAD_ACCESS", "Could not access memory"},
- {"EXC_BAD_INSTRUCTION", "Illegal instruction/operand"},
- {"EXC_ARITHMETIC", "Arithmetic exception"},
- {"EXC_EMULATION", "Emulation instruction"},
- {"EXC_SOFTWARE", "Software generated exception"},
- {"EXC_BREAKPOINT", "Breakpoint"},
+/* 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 (struct target_waitstatus *ourstatus, int hoststatus)
+{
+#ifdef CHILD_SPECIAL_WAITSTATUS
+ /* CHILD_SPECIAL_WAITSTATUS should return nonzero and set *OURSTATUS
+ if it wants to deal with hoststatus. */
+ if (CHILD_SPECIAL_WAITSTATUS (ourstatus, hoststatus))
+ return;
#endif
- {"SIGINFO", "Information request"},
- {NULL, "Unknown signal"},
- {NULL, "Internal error: printing TARGET_SIGNAL_DEFAULT"},
-
- /* Last entry, used to check whether the table is the right size. */
- {NULL, "TARGET_SIGNAL_MAGIC"}
-};
-/* *INDENT-ON* */
-
-
-
-/* Return the string for a signal. */
-char *
-target_signal_to_string (sig)
- enum target_signal sig;
-{
- if ((sig >= TARGET_SIGNAL_FIRST) && (sig <= TARGET_SIGNAL_LAST))
- return signals[sig].string;
+ if (WIFEXITED (hoststatus))
+ {
+ ourstatus->kind = TARGET_WAITKIND_EXITED;
+ ourstatus->value.integer = WEXITSTATUS (hoststatus);
+ }
+ else if (!WIFSTOPPED (hoststatus))
+ {
+ ourstatus->kind = TARGET_WAITKIND_SIGNALLED;
+ ourstatus->value.sig = target_signal_from_host (WTERMSIG (hoststatus));
+ }
else
- return signals[TARGET_SIGNAL_UNKNOWN].string;
+ {
+ ourstatus->kind = TARGET_WAITKIND_STOPPED;
+ ourstatus->value.sig = target_signal_from_host (WSTOPSIG (hoststatus));
+ }
}
+\f
+/* Returns zero to leave the inferior alone, one to interrupt it. */
+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. */
-/* Return the name for a signal. */
char *
-target_signal_to_name (sig)
- enum target_signal sig;
+normal_pid_to_str (ptid_t ptid)
{
- 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;
+ static char buf[30];
+
+ sprintf (buf, "process %d", PIDGET (ptid));
+ return buf;
}
-/* Given a name, return its signal. */
-enum target_signal
-target_signal_from_name (name)
- char *name;
-{
- enum target_signal sig;
+/* Some targets (such as ttrace-based HPUX) don't allow us to request
+ notification of inferior events such as fork and vork immediately
+ after the inferior is created. (This because of how gdb gets an
+ inferior created via invoking a shell to do it. In such a scenario,
+ if the shell init file has commands in it, the shell will fork and
+ exec for each of those commands, and we will see each such fork
+ event. Very bad.)
- /* 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 function is used by all targets that allow us to request
+ notification of forks, etc at inferior creation time; e.g., in
+ target_acknowledge_forked_child.
+ */
+static void
+normal_target_post_startup_inferior (ptid_t ptid)
+{
+ /* This space intentionally left blank. */
+}
- /* 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;
+/* Error-catcher for target_find_memory_regions */
+/* ARGSUSED */
+static int dummy_find_memory_regions (int (*ignore1) (), void *ignore2)
+{
+ error ("No target.");
+ return 0;
}
-\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;
+/* Error-catcher for target_make_corefile_notes */
+/* ARGSUSED */
+static char * dummy_make_corefile_notes (bfd *ignore1, int *ignore2)
{
- /* 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. */
+ error ("No target.");
+ return NULL;
+}
- if (hostsig == 0)
- return TARGET_SIGNAL_0;
+/* Set up the handful of non-empty slots needed by the dummy target
+ vector. */
-#if defined (SIGHUP)
- if (hostsig == SIGHUP)
- return TARGET_SIGNAL_HUP;
-#endif
-#if defined (SIGINT)
- if (hostsig == SIGINT)
- return TARGET_SIGNAL_INT;
-#endif
-#if defined (SIGQUIT)
- if (hostsig == SIGQUIT)
- return TARGET_SIGNAL_QUIT;
-#endif
-#if defined (SIGILL)
- if (hostsig == SIGILL)
- return TARGET_SIGNAL_ILL;
-#endif
-#if defined (SIGTRAP)
- if (hostsig == SIGTRAP)
- return TARGET_SIGNAL_TRAP;
-#endif
-#if defined (SIGABRT)
- if (hostsig == SIGABRT)
- return TARGET_SIGNAL_ABRT;
-#endif
-#if defined (SIGEMT)
- if (hostsig == SIGEMT)
- return TARGET_SIGNAL_EMT;
-#endif
-#if defined (SIGFPE)
- if (hostsig == SIGFPE)
- return TARGET_SIGNAL_FPE;
-#endif
-#if defined (SIGKILL)
- if (hostsig == SIGKILL)
- return TARGET_SIGNAL_KILL;
-#endif
-#if defined (SIGBUS)
- if (hostsig == SIGBUS)
- return TARGET_SIGNAL_BUS;
-#endif
-#if defined (SIGSEGV)
- if (hostsig == SIGSEGV)
- return TARGET_SIGNAL_SEGV;
-#endif
-#if defined (SIGSYS)
- if (hostsig == SIGSYS)
- return TARGET_SIGNAL_SYS;
-#endif
-#if defined (SIGPIPE)
- if (hostsig == SIGPIPE)
- return TARGET_SIGNAL_PIPE;
-#endif
-#if defined (SIGALRM)
- if (hostsig == SIGALRM)
- return TARGET_SIGNAL_ALRM;
-#endif
-#if defined (SIGTERM)
- if (hostsig == SIGTERM)
- return TARGET_SIGNAL_TERM;
-#endif
-#if defined (SIGUSR1)
- if (hostsig == SIGUSR1)
- return TARGET_SIGNAL_USR1;
-#endif
-#if defined (SIGUSR2)
- if (hostsig == SIGUSR2)
- return TARGET_SIGNAL_USR2;
-#endif
-#if defined (SIGCLD)
- if (hostsig == SIGCLD)
- return TARGET_SIGNAL_CHLD;
-#endif
-#if defined (SIGCHLD)
- if (hostsig == SIGCHLD)
- return TARGET_SIGNAL_CHLD;
-#endif
-#if defined (SIGPWR)
- if (hostsig == SIGPWR)
- return TARGET_SIGNAL_PWR;
-#endif
-#if defined (SIGWINCH)
- if (hostsig == SIGWINCH)
- return TARGET_SIGNAL_WINCH;
-#endif
-#if defined (SIGURG)
- if (hostsig == SIGURG)
- return TARGET_SIGNAL_URG;
-#endif
-#if defined (SIGIO)
- if (hostsig == SIGIO)
- return TARGET_SIGNAL_IO;
-#endif
-#if defined (SIGPOLL)
- if (hostsig == SIGPOLL)
- return TARGET_SIGNAL_POLL;
-#endif
-#if defined (SIGSTOP)
- if (hostsig == SIGSTOP)
- return TARGET_SIGNAL_STOP;
-#endif
-#if defined (SIGTSTP)
- if (hostsig == SIGTSTP)
- return TARGET_SIGNAL_TSTP;
-#endif
-#if defined (SIGCONT)
- if (hostsig == SIGCONT)
- return TARGET_SIGNAL_CONT;
-#endif
-#if defined (SIGTTIN)
- if (hostsig == SIGTTIN)
- return TARGET_SIGNAL_TTIN;
-#endif
-#if defined (SIGTTOU)
- if (hostsig == SIGTTOU)
- return TARGET_SIGNAL_TTOU;
-#endif
-#if defined (SIGVTALRM)
- if (hostsig == SIGVTALRM)
- return TARGET_SIGNAL_VTALRM;
-#endif
-#if defined (SIGPROF)
- if (hostsig == SIGPROF)
- return TARGET_SIGNAL_PROF;
-#endif
-#if defined (SIGXCPU)
- if (hostsig == SIGXCPU)
- return TARGET_SIGNAL_XCPU;
-#endif
-#if defined (SIGXFSZ)
- if (hostsig == SIGXFSZ)
- return TARGET_SIGNAL_XFSZ;
-#endif
-#if defined (SIGWIND)
- if (hostsig == SIGWIND)
- return TARGET_SIGNAL_WIND;
-#endif
-#if defined (SIGPHONE)
- if (hostsig == SIGPHONE)
- return TARGET_SIGNAL_PHONE;
-#endif
-#if defined (SIGLOST)
- if (hostsig == SIGLOST)
- return TARGET_SIGNAL_LOST;
-#endif
-#if defined (SIGWAITING)
- if (hostsig == SIGWAITING)
- return TARGET_SIGNAL_WAITING;
-#endif
-#if defined (SIGCANCEL)
- if (hostsig == SIGCANCEL)
- return TARGET_SIGNAL_CANCEL;
-#endif
-#if defined (SIGLWP)
- if (hostsig == SIGLWP)
- return TARGET_SIGNAL_LWP;
-#endif
-#if defined (SIGDANGER)
- if (hostsig == SIGDANGER)
- return TARGET_SIGNAL_DANGER;
-#endif
-#if defined (SIGGRANT)
- if (hostsig == SIGGRANT)
- return TARGET_SIGNAL_GRANT;
-#endif
-#if defined (SIGRETRACT)
- if (hostsig == SIGRETRACT)
- return TARGET_SIGNAL_RETRACT;
-#endif
-#if defined (SIGMSG)
- if (hostsig == SIGMSG)
- return TARGET_SIGNAL_MSG;
-#endif
-#if defined (SIGSOUND)
- if (hostsig == SIGSOUND)
- return TARGET_SIGNAL_SOUND;
-#endif
-#if defined (SIGSAK)
- if (hostsig == SIGSAK)
- return TARGET_SIGNAL_SAK;
-#endif
-#if defined (SIGPRIO)
- if (hostsig == SIGPRIO)
- return TARGET_SIGNAL_PRIO;
-#endif
-
- /* Mach exceptions. Assumes that the values for EXC_ are positive! */
-#if defined (EXC_BAD_ACCESS) && defined (_NSIG)
- if (hostsig == _NSIG + EXC_BAD_ACCESS)
- return TARGET_EXC_BAD_ACCESS;
-#endif
-#if defined (EXC_BAD_INSTRUCTION) && defined (_NSIG)
- if (hostsig == _NSIG + EXC_BAD_INSTRUCTION)
- return TARGET_EXC_BAD_INSTRUCTION;
-#endif
-#if defined (EXC_ARITHMETIC) && defined (_NSIG)
- if (hostsig == _NSIG + EXC_ARITHMETIC)
- return TARGET_EXC_ARITHMETIC;
-#endif
-#if defined (EXC_EMULATION) && defined (_NSIG)
- if (hostsig == _NSIG + EXC_EMULATION)
- return TARGET_EXC_EMULATION;
-#endif
-#if defined (EXC_SOFTWARE) && defined (_NSIG)
- if (hostsig == _NSIG + EXC_SOFTWARE)
- return TARGET_EXC_SOFTWARE;
-#endif
-#if defined (EXC_BREAKPOINT) && defined (_NSIG)
- if (hostsig == _NSIG + EXC_BREAKPOINT)
- return TARGET_EXC_BREAKPOINT;
-#endif
-
-#if defined (SIGINFO)
- if (hostsig == SIGINFO)
- return TARGET_SIGNAL_INFO;
-#endif
-
-#if defined (REALTIME_LO)
- if (hostsig >= REALTIME_LO && hostsig < REALTIME_HI)
- {
- /* This block of TARGET_SIGNAL_REALTIME value is in order. */
- if (33 <= hostsig && hostsig <= 63)
- return (enum target_signal)
- (hostsig - 33 + (int) TARGET_SIGNAL_REALTIME_33);
- else if (hostsig == 32)
- return TARGET_SIGNAL_REALTIME_32;
- else
- error ("GDB bug: target.c (target_signal_from_host): unrecognized real-time signal");
- }
-#endif
- return TARGET_SIGNAL_UNKNOWN;
-}
-
-/* Convert a OURSIG (an enum target_signal) to the form used by the
- target operating system (refered to as the ``host'') or zero if the
- equivalent host signal is not available. Set/clear OURSIG_OK
- accordingly. */
-
-static int
-do_target_signal_to_host (enum target_signal oursig,
- int *oursig_ok)
-{
- *oursig_ok = 1;
- switch (oursig)
- {
- case TARGET_SIGNAL_0:
- return 0;
-
-#if defined (SIGHUP)
- case TARGET_SIGNAL_HUP:
- return SIGHUP;
-#endif
-#if defined (SIGINT)
- case TARGET_SIGNAL_INT:
- return SIGINT;
-#endif
-#if defined (SIGQUIT)
- case TARGET_SIGNAL_QUIT:
- return SIGQUIT;
-#endif
-#if defined (SIGILL)
- case TARGET_SIGNAL_ILL:
- return SIGILL;
-#endif
-#if defined (SIGTRAP)
- case TARGET_SIGNAL_TRAP:
- return SIGTRAP;
-#endif
-#if defined (SIGABRT)
- case TARGET_SIGNAL_ABRT:
- return SIGABRT;
-#endif
-#if defined (SIGEMT)
- case TARGET_SIGNAL_EMT:
- return SIGEMT;
-#endif
-#if defined (SIGFPE)
- case TARGET_SIGNAL_FPE:
- return SIGFPE;
-#endif
-#if defined (SIGKILL)
- case TARGET_SIGNAL_KILL:
- return SIGKILL;
-#endif
-#if defined (SIGBUS)
- case TARGET_SIGNAL_BUS:
- return SIGBUS;
-#endif
-#if defined (SIGSEGV)
- case TARGET_SIGNAL_SEGV:
- return SIGSEGV;
-#endif
-#if defined (SIGSYS)
- case TARGET_SIGNAL_SYS:
- return SIGSYS;
-#endif
-#if defined (SIGPIPE)
- case TARGET_SIGNAL_PIPE:
- return SIGPIPE;
-#endif
-#if defined (SIGALRM)
- case TARGET_SIGNAL_ALRM:
- return SIGALRM;
-#endif
-#if defined (SIGTERM)
- case TARGET_SIGNAL_TERM:
- return SIGTERM;
-#endif
-#if defined (SIGUSR1)
- case TARGET_SIGNAL_USR1:
- return SIGUSR1;
-#endif
-#if defined (SIGUSR2)
- case TARGET_SIGNAL_USR2:
- return SIGUSR2;
-#endif
-#if defined (SIGCHLD) || defined (SIGCLD)
- case TARGET_SIGNAL_CHLD:
-#if defined (SIGCHLD)
- return SIGCHLD;
-#else
- return SIGCLD;
-#endif
-#endif /* SIGCLD or SIGCHLD */
-#if defined (SIGPWR)
- case TARGET_SIGNAL_PWR:
- return SIGPWR;
-#endif
-#if defined (SIGWINCH)
- case TARGET_SIGNAL_WINCH:
- return SIGWINCH;
-#endif
-#if defined (SIGURG)
- case TARGET_SIGNAL_URG:
- return SIGURG;
-#endif
-#if defined (SIGIO)
- case TARGET_SIGNAL_IO:
- return SIGIO;
-#endif
-#if defined (SIGPOLL)
- case TARGET_SIGNAL_POLL:
- return SIGPOLL;
-#endif
-#if defined (SIGSTOP)
- case TARGET_SIGNAL_STOP:
- return SIGSTOP;
-#endif
-#if defined (SIGTSTP)
- case TARGET_SIGNAL_TSTP:
- return SIGTSTP;
-#endif
-#if defined (SIGCONT)
- case TARGET_SIGNAL_CONT:
- return SIGCONT;
-#endif
-#if defined (SIGTTIN)
- case TARGET_SIGNAL_TTIN:
- return SIGTTIN;
-#endif
-#if defined (SIGTTOU)
- case TARGET_SIGNAL_TTOU:
- return SIGTTOU;
-#endif
-#if defined (SIGVTALRM)
- case TARGET_SIGNAL_VTALRM:
- return SIGVTALRM;
-#endif
-#if defined (SIGPROF)
- case TARGET_SIGNAL_PROF:
- return SIGPROF;
-#endif
-#if defined (SIGXCPU)
- case TARGET_SIGNAL_XCPU:
- return SIGXCPU;
-#endif
-#if defined (SIGXFSZ)
- case TARGET_SIGNAL_XFSZ:
- return SIGXFSZ;
-#endif
-#if defined (SIGWIND)
- case TARGET_SIGNAL_WIND:
- return SIGWIND;
-#endif
-#if defined (SIGPHONE)
- case TARGET_SIGNAL_PHONE:
- return SIGPHONE;
-#endif
-#if defined (SIGLOST)
- case TARGET_SIGNAL_LOST:
- return SIGLOST;
-#endif
-#if defined (SIGWAITING)
- case TARGET_SIGNAL_WAITING:
- return SIGWAITING;
-#endif
-#if defined (SIGCANCEL)
- case TARGET_SIGNAL_CANCEL:
- return SIGCANCEL;
-#endif
-#if defined (SIGLWP)
- case TARGET_SIGNAL_LWP:
- return SIGLWP;
-#endif
-#if defined (SIGDANGER)
- case TARGET_SIGNAL_DANGER:
- return SIGDANGER;
-#endif
-#if defined (SIGGRANT)
- case TARGET_SIGNAL_GRANT:
- return SIGGRANT;
-#endif
-#if defined (SIGRETRACT)
- case TARGET_SIGNAL_RETRACT:
- return SIGRETRACT;
-#endif
-#if defined (SIGMSG)
- case TARGET_SIGNAL_MSG:
- return SIGMSG;
-#endif
-#if defined (SIGSOUND)
- case TARGET_SIGNAL_SOUND:
- return SIGSOUND;
-#endif
-#if defined (SIGSAK)
- case TARGET_SIGNAL_SAK:
- return SIGSAK;
-#endif
-#if defined (SIGPRIO)
- case TARGET_SIGNAL_PRIO:
- return SIGPRIO;
-#endif
-
- case TARGET_SIGNAL_REALTIME_32: return 32; /* by definition */
-
- /* 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
-
-#if defined (SIGINFO)
- case TARGET_SIGNAL_INFO:
- return SIGINFO;
-#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
- *oursig_ok = 0;
- return 0;
- }
-}
-
-int
-target_signal_to_host_p (enum target_signal oursig)
-{
- int oursig_ok;
- do_target_signal_to_host (oursig, &oursig_ok);
- return oursig_ok;
-}
-
-int
-target_signal_to_host (enum target_signal oursig)
-{
- int oursig_ok;
- int targ_signo = do_target_signal_to_host (oursig, &oursig_ok);
- if (!oursig_ok)
- {
- /* The user might be trying to do "signal SIGSAK" where this system
- doesn't have SIGSAK. */
- warning ("Signal %s does not exist on this system.\n",
- target_signal_to_name (oursig));
- return 0;
- }
- else
- return targ_signo;
-}
-
-/* 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;
-{
-#ifdef CHILD_SPECIAL_WAITSTATUS
- /* CHILD_SPECIAL_WAITSTATUS should return nonzero and set *OURSTATUS
- if it wants to deal with hoststatus. */
- if (CHILD_SPECIAL_WAITSTATUS (ourstatus, hoststatus))
- return;
-#endif
-
- if (WIFEXITED (hoststatus))
- {
- ourstatus->kind = TARGET_WAITKIND_EXITED;
- ourstatus->value.integer = WEXITSTATUS (hoststatus);
- }
- else if (!WIFSTOPPED (hoststatus))
- {
- ourstatus->kind = TARGET_WAITKIND_SIGNALLED;
- ourstatus->value.sig = target_signal_from_host (WTERMSIG (hoststatus));
- }
- else
- {
- ourstatus->kind = TARGET_WAITKIND_STOPPED;
- ourstatus->value.sig = target_signal_from_host (WSTOPSIG (hoststatus));
- }
-}
-\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_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;
-{
- static char buf[30];
-
- if (STREQ (current_target.to_shortname, "remote"))
- sprintf (buf, "thread %d", pid);
- else
- sprintf (buf, "process %d", pid);
-
- return buf;
-}
-
-/* Some targets (such as ttrace-based HPUX) don't allow us to request
- notification of inferior events such as fork and vork immediately
- after the inferior is created. (This because of how gdb gets an
- inferior created via invoking a shell to do it. In such a scenario,
- if the shell init file has commands in it, the shell will fork and
- exec for each of those commands, and we will see each such fork
- event. Very bad.)
-
- This function is used by all targets that allow us to request
- notification of forks, etc at inferior creation time; e.g., in
- target_acknowledge_forked_child.
- */
static void
-normal_target_post_startup_inferior (pid)
- int pid;
-{
- /* This space intentionally left blank. */
-}
-
-/* Set up the handful of non-empty slots needed by the dummy target
- vector. */
-
-static void
-init_dummy_target ()
+init_dummy_target (void)
{
dummy_target.to_shortname = "None";
dummy_target.to_longname = "None";
dummy_target.to_doc = "";
dummy_target.to_attach = find_default_attach;
- dummy_target.to_require_attach = find_default_require_attach;
- dummy_target.to_require_detach = find_default_require_detach;
dummy_target.to_create_inferior = find_default_create_inferior;
- dummy_target.to_clone_and_follow_inferior = find_default_clone_and_follow_inferior;
+ dummy_target.to_pid_to_str = normal_pid_to_str;
dummy_target.to_stratum = dummy_stratum;
+ dummy_target.to_find_memory_regions = dummy_find_memory_regions;
+ dummy_target.to_make_corefile_notes = dummy_make_corefile_notes;
dummy_target.to_magic = OPS_MAGIC;
}
\f
static struct target_ops debug_target;
static void
-debug_to_open (args, from_tty)
- char *args;
- int from_tty;
+debug_to_open (char *args, int from_tty)
{
debug_target.to_open (args, from_tty);
}
static void
-debug_to_close (quitting)
- int quitting;
+debug_to_close (int quitting)
{
debug_target.to_close (quitting);
}
static void
-debug_to_attach (args, from_tty)
- char *args;
- int from_tty;
+debug_to_attach (char *args, int from_tty)
{
debug_target.to_attach (args, from_tty);
static void
-debug_to_post_attach (pid)
- int pid;
+debug_to_post_attach (int pid)
{
debug_target.to_post_attach (pid);
}
static void
-debug_to_require_attach (args, from_tty)
- char *args;
- int from_tty;
-{
- debug_target.to_require_attach (args, from_tty);
-
- fprintf_unfiltered (gdb_stdlog,
- "target_require_attach (%s, %d)\n", args, from_tty);
-}
-
-static void
-debug_to_detach (args, from_tty)
- char *args;
- int from_tty;
+debug_to_detach (char *args, int from_tty)
{
debug_target.to_detach (args, from_tty);
}
static void
-debug_to_require_detach (pid, args, from_tty)
- int pid;
- char *args;
- int from_tty;
-{
- debug_target.to_require_detach (pid, args, from_tty);
-
- fprintf_unfiltered (gdb_stdlog,
- "target_require_detach (%d, %s, %d)\n", pid, args, from_tty);
-}
-
-static void
-debug_to_resume (pid, step, siggnal)
- int pid;
- int step;
- enum target_signal siggnal;
+debug_to_resume (ptid_t ptid, int step, enum target_signal siggnal)
{
- debug_target.to_resume (pid, step, siggnal);
+ debug_target.to_resume (ptid, step, siggnal);
- fprintf_unfiltered (gdb_stdlog, "target_resume (%d, %s, %s)\n", pid,
+ fprintf_unfiltered (gdb_stdlog, "target_resume (%d, %s, %s)\n", PIDGET (ptid),
step ? "step" : "continue",
target_signal_to_name (siggnal));
}
-static int
-debug_to_wait (pid, status)
- int pid;
- struct target_waitstatus *status;
+static ptid_t
+debug_to_wait (ptid_t ptid, struct target_waitstatus *status)
{
- int retval;
+ ptid_t retval;
- retval = debug_target.to_wait (pid, status);
+ retval = debug_target.to_wait (ptid, status);
fprintf_unfiltered (gdb_stdlog,
- "target_wait (%d, status) = %d, ", pid, retval);
+ "target_wait (%d, status) = %d, ", PIDGET (ptid),
+ PIDGET (retval));
fprintf_unfiltered (gdb_stdlog, "status->kind = ");
switch (status->kind)
{
}
static void
-debug_to_post_wait (pid, status)
- int pid;
- int status;
+debug_to_post_wait (ptid_t ptid, int status)
{
- debug_target.to_post_wait (pid, status);
+ debug_target.to_post_wait (ptid, status);
fprintf_unfiltered (gdb_stdlog, "target_post_wait (%d, %d)\n",
- pid, status);
+ PIDGET (ptid), status);
}
static void
-debug_to_fetch_registers (regno)
- int regno;
+debug_print_register (const char * func, int regno)
{
- debug_target.to_fetch_registers (regno);
-
- fprintf_unfiltered (gdb_stdlog, "target_fetch_registers (%s)",
- regno != -1 ? REGISTER_NAME (regno) : "-1");
- if (regno != -1)
- fprintf_unfiltered (gdb_stdlog, " = 0x%lx %ld",
- (unsigned long) read_register (regno),
- (unsigned long) read_register (regno));
+ fprintf_unfiltered (gdb_stdlog, "%s ", func);
+ if (regno >= 0 && regno < NUM_REGS + NUM_PSEUDO_REGS
+ && REGISTER_NAME (regno) != NULL && REGISTER_NAME (regno)[0] != '\0')
+ fprintf_unfiltered (gdb_stdlog, "(%s)", REGISTER_NAME (regno));
+ else
+ fprintf_unfiltered (gdb_stdlog, "(%d)", regno);
+ if (regno >= 0)
+ {
+ int i;
+ unsigned char *buf = alloca (MAX_REGISTER_RAW_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");
}
static void
-debug_to_store_registers (regno)
- int regno;
+debug_to_fetch_registers (int regno)
{
- debug_target.to_store_registers (regno);
+ debug_target.to_fetch_registers (regno);
+ debug_print_register ("target_fetch_registers", regno);
+}
- if (regno >= 0 && regno < NUM_REGS)
- fprintf_unfiltered (gdb_stdlog, "target_store_registers (%s) = 0x%lx %ld\n",
- REGISTER_NAME (regno),
- (unsigned long) read_register (regno),
- (unsigned long) read_register (regno));
- else
- fprintf_unfiltered (gdb_stdlog, "target_store_registers (%d)\n", regno);
+static void
+debug_to_store_registers (int regno)
+{
+ debug_target.to_store_registers (regno);
+ debug_print_register ("target_store_registers", regno);
+ fprintf_unfiltered (gdb_stdlog, "\n");
}
static void
-debug_to_prepare_to_store ()
+debug_to_prepare_to_store (void)
{
debug_target.to_prepare_to_store ();
}
static int
-debug_to_xfer_memory (memaddr, myaddr, len, write, target)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
- int write;
- struct target_ops *target;
+debug_to_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write,
+ struct mem_attrib *attrib,
+ struct target_ops *target)
{
int retval;
- retval = debug_target.to_xfer_memory (memaddr, myaddr, len, write, target);
+ retval = debug_target.to_xfer_memory (memaddr, myaddr, len, write,
+ attrib, target);
fprintf_unfiltered (gdb_stdlog,
"target_xfer_memory (0x%x, xxx, %d, %s, xxx) = %d",
}
static void
-debug_to_files_info (target)
- struct target_ops *target;
+debug_to_files_info (struct target_ops *target)
{
debug_target.to_files_info (target);
}
static int
-debug_to_insert_breakpoint (addr, save)
- CORE_ADDR addr;
- char *save;
+debug_to_insert_breakpoint (CORE_ADDR addr, char *save)
{
int retval;
}
static int
-debug_to_remove_breakpoint (addr, save)
- CORE_ADDR addr;
- char *save;
+debug_to_remove_breakpoint (CORE_ADDR addr, char *save)
{
int retval;
return retval;
}
+static int
+debug_to_can_use_hw_breakpoint (int type, int cnt, int from_tty)
+{
+ int retval;
+
+ retval = debug_target.to_can_use_hw_breakpoint (type, cnt, from_tty);
+
+ fprintf_unfiltered (gdb_stdlog,
+ "target_can_use_hw_breakpoint (%ld, %ld, %ld) = %ld\n",
+ (unsigned long) type,
+ (unsigned long) cnt,
+ (unsigned long) from_tty,
+ (unsigned long) retval);
+ return retval;
+}
+
+static int
+debug_to_region_size_ok_for_hw_watchpoint (int byte_count)
+{
+ CORE_ADDR retval;
+
+ retval = debug_target.to_region_size_ok_for_hw_watchpoint (byte_count);
+
+ fprintf_unfiltered (gdb_stdlog,
+ "TARGET_REGION_SIZE_OK_FOR_HW_WATCHPOINT (%ld) = 0x%lx\n",
+ (unsigned long) byte_count,
+ (unsigned long) retval);
+ return retval;
+}
+
+static int
+debug_to_stopped_by_watchpoint (void)
+{
+ int retval;
+
+ retval = debug_target.to_stopped_by_watchpoint ();
+
+ fprintf_unfiltered (gdb_stdlog,
+ "STOPPED_BY_WATCHPOINT () = %ld\n",
+ (unsigned long) retval);
+ return retval;
+}
+
+static CORE_ADDR
+debug_to_stopped_data_address (void)
+{
+ CORE_ADDR retval;
+
+ retval = debug_target.to_stopped_data_address ();
+
+ fprintf_unfiltered (gdb_stdlog,
+ "target_stopped_data_address () = 0x%lx\n",
+ (unsigned long) retval);
+ return retval;
+}
+
+static int
+debug_to_insert_hw_breakpoint (CORE_ADDR addr, char *save)
+{
+ int retval;
+
+ retval = debug_target.to_insert_hw_breakpoint (addr, save);
+
+ fprintf_unfiltered (gdb_stdlog,
+ "target_insert_hw_breakpoint (0x%lx, xxx) = %ld\n",
+ (unsigned long) addr,
+ (unsigned long) retval);
+ return retval;
+}
+
+static int
+debug_to_remove_hw_breakpoint (CORE_ADDR addr, char *save)
+{
+ int retval;
+
+ retval = debug_target.to_remove_hw_breakpoint (addr, save);
+
+ fprintf_unfiltered (gdb_stdlog,
+ "target_remove_hw_breakpoint (0x%lx, xxx) = %ld\n",
+ (unsigned long) addr,
+ (unsigned long) retval);
+ return retval;
+}
+
+static int
+debug_to_insert_watchpoint (CORE_ADDR addr, int len, int type)
+{
+ int retval;
+
+ retval = debug_target.to_insert_watchpoint (addr, len, type);
+
+ fprintf_unfiltered (gdb_stdlog,
+ "target_insert_watchpoint (0x%lx, %d, %d) = %ld\n",
+ (unsigned long) addr, len, type, (unsigned long) retval);
+ return retval;
+}
+
+static int
+debug_to_remove_watchpoint (CORE_ADDR addr, int len, int type)
+{
+ int retval;
+
+ retval = debug_target.to_insert_watchpoint (addr, len, type);
+
+ fprintf_unfiltered (gdb_stdlog,
+ "target_insert_watchpoint (0x%lx, %d, %d) = %ld\n",
+ (unsigned long) addr, len, type, (unsigned long) retval);
+ return retval;
+}
+
static void
-debug_to_terminal_init ()
+debug_to_terminal_init (void)
{
debug_target.to_terminal_init ();
}
static void
-debug_to_terminal_inferior ()
+debug_to_terminal_inferior (void)
{
debug_target.to_terminal_inferior ();
}
static void
-debug_to_terminal_ours_for_output ()
+debug_to_terminal_ours_for_output (void)
{
debug_target.to_terminal_ours_for_output ();
}
static void
-debug_to_terminal_ours ()
+debug_to_terminal_ours (void)
{
debug_target.to_terminal_ours ();
}
static void
-debug_to_terminal_info (arg, from_tty)
- char *arg;
- int from_tty;
+debug_to_terminal_save_ours (void)
+{
+ debug_target.to_terminal_save_ours ();
+
+ fprintf_unfiltered (gdb_stdlog, "target_terminal_save_ours ()\n");
+}
+
+static void
+debug_to_terminal_info (char *arg, int from_tty)
{
debug_target.to_terminal_info (arg, from_tty);
}
static void
-debug_to_kill ()
+debug_to_kill (void)
{
debug_target.to_kill ();
}
static void
-debug_to_load (args, from_tty)
- char *args;
- int from_tty;
+debug_to_load (char *args, int from_tty)
{
debug_target.to_load (args, from_tty);
}
static int
-debug_to_lookup_symbol (name, addrp)
- char *name;
- CORE_ADDR *addrp;
+debug_to_lookup_symbol (char *name, CORE_ADDR *addrp)
{
int retval;
}
static void
-debug_to_create_inferior (exec_file, args, env)
- char *exec_file;
- char *args;
- char **env;
+debug_to_create_inferior (char *exec_file, char *args, char **env)
{
debug_target.to_create_inferior (exec_file, args, env);
}
static void
-debug_to_post_startup_inferior (pid)
- int pid;
+debug_to_post_startup_inferior (ptid_t ptid)
{
- debug_target.to_post_startup_inferior (pid);
+ debug_target.to_post_startup_inferior (ptid);
fprintf_unfiltered (gdb_stdlog, "target_post_startup_inferior (%d)\n",
- pid);
+ PIDGET (ptid));
}
static void
-debug_to_acknowledge_created_inferior (pid)
- int pid;
+debug_to_acknowledge_created_inferior (int pid)
{
debug_target.to_acknowledge_created_inferior (pid);
pid);
}
-static void
-debug_to_clone_and_follow_inferior (child_pid, followed_child)
- int child_pid;
- int *followed_child;
-{
- debug_target.to_clone_and_follow_inferior (child_pid, followed_child);
-
- fprintf_unfiltered (gdb_stdlog,
- "target_clone_and_follow_inferior (%d, %d)\n",
- child_pid, *followed_child);
-}
-
-static void
-debug_to_post_follow_inferior_by_clone ()
-{
- debug_target.to_post_follow_inferior_by_clone ();
-
- fprintf_unfiltered (gdb_stdlog, "target_post_follow_inferior_by_clone ()\n");
-}
-
static int
-debug_to_insert_fork_catchpoint (pid)
- int pid;
+debug_to_insert_fork_catchpoint (int pid)
{
int retval;
}
static int
-debug_to_remove_fork_catchpoint (pid)
- int pid;
+debug_to_remove_fork_catchpoint (int pid)
{
int retval;
}
static int
-debug_to_insert_vfork_catchpoint (pid)
- int pid;
+debug_to_insert_vfork_catchpoint (int pid)
{
int retval;
}
static int
-debug_to_remove_vfork_catchpoint (pid)
- int pid;
+debug_to_remove_vfork_catchpoint (int pid)
{
int retval;
}
static int
-debug_to_has_forked (pid, child_pid)
- int pid;
- int *child_pid;
-{
- int has_forked;
-
- has_forked = debug_target.to_has_forked (pid, child_pid);
-
- fprintf_unfiltered (gdb_stdlog, "target_has_forked (%d, %d) = %d\n",
- pid, *child_pid, has_forked);
-
- return has_forked;
-}
-
-static int
-debug_to_has_vforked (pid, child_pid)
- int pid;
- int *child_pid;
+debug_to_follow_fork (int follow_child)
{
- int has_vforked;
+ int retval = debug_target.to_follow_fork (follow_child);
- has_vforked = debug_target.to_has_vforked (pid, child_pid);
-
- fprintf_unfiltered (gdb_stdlog, "target_has_vforked (%d, %d) = %d\n",
- pid, *child_pid, has_vforked);
-
- return has_vforked;
-}
+ fprintf_unfiltered (gdb_stdlog, "target_follow_fork (%d) = %d\n",
+ follow_child, retval);
-static int
-debug_to_can_follow_vfork_prior_to_exec ()
-{
- int can_immediately_follow_vfork;
-
- can_immediately_follow_vfork = debug_target.to_can_follow_vfork_prior_to_exec ();
-
- fprintf_unfiltered (gdb_stdlog, "target_can_follow_vfork_prior_to_exec () = %d\n",
- can_immediately_follow_vfork);
-
- return can_immediately_follow_vfork;
-}
-
-static void
-debug_to_post_follow_vfork (parent_pid, followed_parent, child_pid, followed_child)
- int parent_pid;
- int followed_parent;
- int child_pid;
- int followed_child;
-{
- debug_target.to_post_follow_vfork (parent_pid, followed_parent, child_pid, followed_child);
-
- fprintf_unfiltered (gdb_stdlog,
- "target_post_follow_vfork (%d, %d, %d, %d)\n",
- parent_pid, followed_parent, child_pid, followed_child);
+ return retval;
}
static int
-debug_to_insert_exec_catchpoint (pid)
- int pid;
+debug_to_insert_exec_catchpoint (int pid)
{
int retval;
}
static int
-debug_to_remove_exec_catchpoint (pid)
- int pid;
+debug_to_remove_exec_catchpoint (int pid)
{
int retval;
}
static int
-debug_to_has_execd (pid, execd_pathname)
- int pid;
- char **execd_pathname;
-{
- int has_execd;
-
- has_execd = debug_target.to_has_execd (pid, execd_pathname);
-
- fprintf_unfiltered (gdb_stdlog, "target_has_execd (%d, %s) = %d\n",
- pid, (*execd_pathname ? *execd_pathname : "<NULL>"),
- has_execd);
-
- return has_execd;
-}
-
-static int
-debug_to_reported_exec_events_per_exec_call ()
+debug_to_reported_exec_events_per_exec_call (void)
{
int reported_exec_events;
}
static int
-debug_to_has_syscall_event (pid, kind, syscall_id)
- int pid;
- enum target_waitkind *kind;
- int *syscall_id;
-{
- int has_syscall_event;
- char *kind_spelling = "??";
-
- has_syscall_event = debug_target.to_has_syscall_event (pid, kind, syscall_id);
- if (has_syscall_event)
- {
- switch (*kind)
- {
- case TARGET_WAITKIND_SYSCALL_ENTRY:
- kind_spelling = "SYSCALL_ENTRY";
- break;
- case TARGET_WAITKIND_SYSCALL_RETURN:
- kind_spelling = "SYSCALL_RETURN";
- break;
- default:
- break;
- }
- }
-
- fprintf_unfiltered (gdb_stdlog,
- "target_has_syscall_event (%d, %s, %d) = %d\n",
- pid, kind_spelling, *syscall_id, has_syscall_event);
-
- return has_syscall_event;
-}
-
-static int
-debug_to_has_exited (pid, wait_status, exit_status)
- int pid;
- int wait_status;
- int *exit_status;
+debug_to_has_exited (int pid, int wait_status, int *exit_status)
{
int has_exited;
}
static void
-debug_to_mourn_inferior ()
+debug_to_mourn_inferior (void)
{
debug_target.to_mourn_inferior ();
}
static int
-debug_to_can_run ()
+debug_to_can_run (void)
{
int retval;
}
static void
-debug_to_notice_signals (pid)
- int pid;
+debug_to_notice_signals (ptid_t ptid)
{
- debug_target.to_notice_signals (pid);
+ debug_target.to_notice_signals (ptid);
- fprintf_unfiltered (gdb_stdlog, "target_notice_signals (%d)\n", pid);
+ fprintf_unfiltered (gdb_stdlog, "target_notice_signals (%d)\n",
+ PIDGET (ptid));
}
static int
-debug_to_thread_alive (pid)
- int pid;
+debug_to_thread_alive (ptid_t ptid)
{
int retval;
- retval = debug_target.to_thread_alive (pid);
+ retval = debug_target.to_thread_alive (ptid);
fprintf_unfiltered (gdb_stdlog, "target_thread_alive (%d) = %d\n",
- pid, retval);
+ PIDGET (ptid), retval);
return retval;
}
static void
-debug_to_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 ();
}
static int
-debug_to_query (type, req, resp, siz)
- int type;
- char *req;
- char *resp;
- int *siz;
+debug_to_query (int type, char *req, char *resp, int *siz)
{
int retval;
static void
debug_to_rcmd (char *command,
- struct gdb_file *outbuf)
+ struct ui_file *outbuf)
{
debug_target.to_rcmd (command, outbuf);
fprintf_unfiltered (gdb_stdlog, "target_rcmd (%s, ...)\n", command);
}
static struct symtab_and_line *
-debug_to_enable_exception_callback (kind, enable)
- enum exception_event_kind kind;
- int enable;
+debug_to_enable_exception_callback (enum exception_event_kind kind, int enable)
{
struct symtab_and_line *result;
result = debug_target.to_enable_exception_callback (kind, enable);
}
static struct exception_event_record *
-debug_to_get_current_exception_event ()
+debug_to_get_current_exception_event (void)
{
struct exception_event_record *result;
result = debug_target.to_get_current_exception_event ();
}
static char *
-debug_to_pid_to_exec_file (pid)
- int pid;
+debug_to_pid_to_exec_file (int pid)
{
char *exec_file;
return exec_file;
}
-static char *
-debug_to_core_file_to_sym_file (core)
- char *core;
-{
- char *sym_file;
-
- sym_file = debug_target.to_core_file_to_sym_file (core);
-
- fprintf_unfiltered (gdb_stdlog, "target_core_file_to_sym_file (%s) = %s\n",
- core, sym_file);
-
- return sym_file;
-}
-
static void
-setup_target_debug ()
+setup_target_debug (void)
{
memcpy (&debug_target, ¤t_target, sizeof debug_target);
current_target.to_close = debug_to_close;
current_target.to_attach = debug_to_attach;
current_target.to_post_attach = debug_to_post_attach;
- current_target.to_require_attach = debug_to_require_attach;
current_target.to_detach = debug_to_detach;
- current_target.to_require_detach = debug_to_require_detach;
current_target.to_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;
}
\f
do_monitor_command (char *cmd,
int from_tty)
{
- if ((current_target.to_rcmd == (void*) tcomplain)
+ if ((current_target.to_rcmd
+ == (void (*) (char *, struct ui_file *)) tcomplain)
|| (current_target.to_rcmd == debug_to_rcmd
- && (debug_target.to_rcmd == (void*) tcomplain)))
+ && (debug_target.to_rcmd
+ == (void (*) (char *, struct ui_file *)) tcomplain)))
{
error ("\"monitor\" command not supported by this target.\n");
}
}
void
-initialize_targets ()
+initialize_targets (void)
{
init_dummy_target ();
push_target (&dummy_target);
add_info ("target", target_info, targ_desc);
add_info ("files", target_info, targ_desc);
- add_show_from_set (
- add_set_cmd ("targetdebug", class_maintenance, var_zinteger,
- (char *) &targetdebug,
- "Set target debugging.\n\
-When non-zero, target debugging is enabled.", &setlist),
- &showlist);
-
+ add_show_from_set
+ (add_set_cmd ("target", class_maintenance, var_zinteger,
+ (char *) &targetdebug,
+ "Set target debugging.\n\
+When non-zero, target debugging is enabled.", &setdebuglist),
+ &showdebuglist);
+
+ add_setshow_boolean_cmd ("trust-readonly-sections", class_support,
+ &trust_readonly, "\
+Set mode for reading from readonly sections.\n\
+When this mode is on, memory reads from readonly sections (such as .text)\n\
+will be read from the object file instead of from the target. This will\n\
+result in significant performance improvement for remote targets.", "\
+Show mode for reading from readonly sections.\n",
+ NULL, NULL,
+ &setlist, &showlist);
add_com ("monitor", class_obscure, do_monitor_command,
"Send a command to the remote monitor (remote targets only).");
- if (!STREQ (signals[TARGET_SIGNAL_LAST].string, "TARGET_SIGNAL_MAGIC"))
- abort ();
+ target_dcache = dcache_init ();
}
projects / binutils.git / blobdiff