/* Select target systems and architectures at runtime for GDB.
- Copyright 1990, 1992, 1993, 1994 Free Software Foundation, Inc.
+ Copyright 1990, 1992, 1993, 1994, 1995, 1998 Free Software Foundation, Inc.
Contributed by Cygnus Support.
This file is part of GDB.
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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+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 "symtab.h"
static void
maybe_kill_then_create_inferior PARAMS ((char *, char *, char **));
+static void
+default_clone_and_follow_inferior PARAMS ((int, int *));
+
static void
maybe_kill_then_attach PARAMS ((char *, int));
tcomplain PARAMS ((void));
static int
-nomemory PARAMS ((CORE_ADDR, char *, int, int));
+nomemory PARAMS ((CORE_ADDR, char *, int, int, struct target_ops *));
static int
return_zero PARAMS ((void));
-static void
-ignore PARAMS ((void));
+static int
+return_one PARAMS ((void));
+
+void
+target_ignore PARAMS ((void));
static void
target_command PARAMS ((char *, int));
static struct target_ops *
find_default_run_target PARAMS ((char *));
+static void
+update_current_target PARAMS ((void));
+
+/* 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 int
+target_xfer_memory PARAMS ((CORE_ADDR memaddr, char *myaddr, int len,
+ int write, asection *bfd_section));
+
+static void
+debug_to_open PARAMS ((char *, int));
+
+static void
+debug_to_close PARAMS ((int));
+
+static void
+debug_to_attach PARAMS ((char *, int));
+
+static void
+debug_to_detach PARAMS ((char *, int));
+
+static void
+debug_to_resume PARAMS ((int, int, enum target_signal));
+
+static int
+debug_to_wait PARAMS ((int, struct target_waitstatus *));
+
+static void
+debug_to_fetch_registers PARAMS ((int));
+
+static void
+debug_to_store_registers PARAMS ((int));
+
+static void
+debug_to_prepare_to_store PARAMS ((void));
+
+static int
+debug_to_xfer_memory PARAMS ((CORE_ADDR, char *, int, int, struct target_ops *));
+
+static void
+debug_to_files_info PARAMS ((struct target_ops *));
+
+static int
+debug_to_insert_breakpoint PARAMS ((CORE_ADDR, char *));
+
+static int
+debug_to_remove_breakpoint PARAMS ((CORE_ADDR, char *));
+
+static void
+debug_to_terminal_init PARAMS ((void));
+
+static void
+debug_to_terminal_inferior PARAMS ((void));
+
+static void
+debug_to_terminal_ours_for_output PARAMS ((void));
+
+static void
+debug_to_terminal_ours PARAMS ((void));
+
+static void
+debug_to_terminal_info PARAMS ((char *, int));
+
+static void
+debug_to_kill PARAMS ((void));
+
+static void
+debug_to_load PARAMS ((char *, int));
+
+static int
+debug_to_lookup_symbol PARAMS ((char *, CORE_ADDR *));
+
+static void
+debug_to_create_inferior PARAMS ((char *, char *, char **));
+
+static void
+debug_to_mourn_inferior PARAMS ((void));
+
+static int
+debug_to_can_run PARAMS ((void));
+
+static void
+debug_to_notice_signals PARAMS ((int));
+
+static int
+debug_to_thread_alive PARAMS ((int));
+
+static void
+debug_to_stop PARAMS ((void));
+
+static int
+debug_to_query PARAMS ((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
array. */
/* The initial current target, so that there is always a semi-valid
current target. */
-struct target_ops dummy_target = {"None", "None", "",
- 0, 0, /* open, close */
- find_default_attach, 0, /* attach, detach */
- 0, 0, /* resume, wait */
- 0, 0, 0, /* registers */
- 0, 0, /* memory */
- 0, 0, /* bkpts */
- 0, 0, 0, 0, 0, /* terminal */
- 0, 0, /* kill, load */
- 0, /* lookup_symbol */
- find_default_create_inferior, /* create_inferior */
- 0, /* mourn_inferior */
- 0, /* can_run */
- 0, /* notice_signals */
- dummy_stratum, 0, /* stratum, next */
- 0, 0, 0, 0, 0, /* all mem, mem, stack, regs, exec */
- 0, 0, /* section pointers */
- OPS_MAGIC,
+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 */
};
/* 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));
+
+#endif
+
/* The user just typed 'target' without the name of a target. */
/* ARGSUSED */
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 */
-static void
-ignore ()
+void
+target_ignore ()
{
}
/* ARGSUSED */
static int
-nomemory (memaddr, myaddr, len, write)
+nomemory (memaddr, myaddr, len, write, t)
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 */
void
noprocess ()
{
- error ("You can't do that without a process to debug");
+ error ("You can't do that without a process to debug.");
}
/* ARGSUSED */
return 1; /* Symbol does not exist in target env */
}
+/* ARGSUSED */
+void
+nosupport_runtime ()
+{
+ if (!inferior_pid)
+ noprocess ();
+ else
+ error ("No run-time support for this");
+}
+
+
/* ARGSUSED */
static void
default_terminal_info (args, from_tty)
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. */
/* FIELD DEFAULT VALUE */
- de_fault (to_open, (void (*)())tcomplain);
- de_fault (to_close, (void (*)())ignore);
+ 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_detach, (void (*)())ignore);
- de_fault (to_resume, (void (*)())noprocess);
- de_fault (to_wait, (int (*)())noprocess);
- de_fault (to_fetch_registers, (void (*)())ignore);
- de_fault (to_store_registers, (void (*)())noprocess);
- de_fault (to_prepare_to_store, (void (*)())noprocess);
- de_fault (to_xfer_memory, (int (*)())nomemory);
- de_fault (to_files_info, (void (*)())ignore);
+ 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, ignore);
- de_fault (to_terminal_inferior, ignore);
- de_fault (to_terminal_ours_for_output,ignore);
- de_fault (to_terminal_ours, ignore);
+ 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 (*)())noprocess);
- de_fault (to_load, (void (*)())tcomplain);
- de_fault (to_lookup_symbol, nosymbol);
+ 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_mourn_inferior, (void (*)())noprocess);
+ 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 (*)())ignore);
-
+ 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);
#undef de_fault
}
INHERIT (to_open, t);
INHERIT (to_close, t);
INHERIT (to_attach, t);
+ INHERIT (to_post_attach, t);
+ INHERIT (to_require_attach, t);
INHERIT (to_detach, t);
+ INHERIT (to_require_detach, t);
INHERIT (to_resume, t);
INHERIT (to_wait, t);
+ INHERIT (to_post_wait, t);
INHERIT (to_fetch_registers, t);
INHERIT (to_store_registers, t);
INHERIT (to_prepare_to_store, t);
INHERIT (to_load, t);
INHERIT (to_lookup_symbol, t);
INHERIT (to_create_inferior, t);
+ INHERIT (to_post_startup_inferior, t);
+ INHERIT (to_acknowledge_created_inferior, t);
+ INHERIT (to_clone_and_follow_inferior, t);
+ INHERIT (to_post_follow_inferior_by_clone, t);
+ INHERIT (to_insert_fork_catchpoint, t);
+ INHERIT (to_remove_fork_catchpoint, t);
+ INHERIT (to_insert_vfork_catchpoint, t);
+ INHERIT (to_remove_vfork_catchpoint, t);
+ INHERIT (to_has_forked, t);
+ INHERIT (to_has_vforked, t);
+ INHERIT (to_can_follow_vfork_prior_to_exec, t);
+ INHERIT (to_post_follow_vfork, t);
+ INHERIT (to_insert_exec_catchpoint, t);
+ INHERIT (to_remove_exec_catchpoint, t);
+ INHERIT (to_has_execd, t);
+ INHERIT (to_reported_exec_events_per_exec_call, t);
+ INHERIT (to_has_syscall_event, t);
+ INHERIT (to_has_exited, t);
INHERIT (to_mourn_inferior, t);
INHERIT (to_can_run, t);
INHERIT (to_notice_signals, t);
+ INHERIT (to_thread_alive, t);
+ INHERIT (to_stop, t);
+ INHERIT (to_query, 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_stack, t);
INHERIT (to_has_registers, t);
INHERIT (to_has_execution, t);
+ INHERIT (to_has_thread_control, t);
INHERIT (to_sections, t);
INHERIT (to_sections_end, t);
INHERIT (to_magic, t);
while (t->to_stratum == cur->target_ops->to_stratum)
{
/* There's already something on this stratum. Close it off. */
- (cur->target_ops->to_close) (0);
+ if (cur->target_ops->to_close)
+ (cur->target_ops->to_close) (0);
if (prev)
prev->next = cur->next; /* Unchain old target_ops */
else
/* We have removed all targets in our stratum, now add the new one. */
- tmp = xmalloc (sizeof (struct target_stack_item));
+ tmp = (struct target_stack_item *)
+ xmalloc (sizeof (struct target_stack_item));
tmp->next = cur;
tmp->target_ops = t;
update_current_target ();
cleanup_target (¤t_target); /* Fill in the gaps */
+
+#ifdef MAINTENANCE_CMDS
+ if (targetdebug)
+ setup_target_debug ();
+#endif
+
return prev != 0;
}
{
struct target_stack_item *cur, *prev;
- t->to_close (0); /* Let it clean up */
+ if (t->to_close)
+ t->to_close (0); /* Let it clean up */
/* Look for the specified target. Note that we assume that a target
can only occur once in the target stack. */
tlen = MIN (len, 4 - (memaddr & 3));
offset = memaddr & 3;
- errcode = target_xfer_memory (memaddr & ~3, buf, 4, 0);
+ errcode = target_xfer_memory (memaddr & ~3, buf, 4, 0, NULL);
if (errcode != 0)
- goto done;
+ {
+ /* The transfer request might have crossed the boundary to an
+ unallocated region of memory. Retry the transfer, requesting
+ a single byte. */
+ tlen = 1;
+ offset = 0;
+ errcode = target_xfer_memory (memaddr, buf, 1, 0, NULL);
+ if (errcode != 0)
+ goto done;
+ }
if (bufptr - buffer + tlen > buffer_allocated)
{
char *myaddr;
int len;
{
- return target_xfer_memory (memaddr, myaddr, len, 0);
+ 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;
+{
+ return target_xfer_memory (memaddr, myaddr, len, 0, bfd_section);
}
/* Read LEN bytes of target memory at address MEMADDR, placing the results
int errcode; /* Error from last read. */
/* First try a complete read. */
- errcode = target_xfer_memory (memaddr, myaddr, len, 0);
+ errcode = target_xfer_memory (memaddr, myaddr, len, 0, NULL);
if (errcode == 0)
{
/* Got it all. */
/* 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);
+ errcode = target_xfer_memory (memaddr++, myaddr++, 1, 0, NULL);
}
/* If an error, the last read was unsuccessful, so adjust count. */
if (errcode != 0)
char *myaddr;
int len;
{
- return target_xfer_memory (memaddr, myaddr, len, 1);
+ 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
Result is 0 or errno value. */
-int
-target_xfer_memory (memaddr, myaddr, len, write)
+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;
struct target_ops *t;
struct target_stack_item *item;
+ /* Zero length requests are ok and require no work. */
+ if (len == 0)
+ return 0;
+
+ target_memory_bfd_section = bfd_section;
+
/* to_xfer_memory is not guaranteed to set errno, even when it returns
0. */
errno = 0;
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);
if (res > 0)
{
t = item->target_ops;
+ if (!t->to_has_memory)
+ continue;
+
if ((int)(t->to_stratum) <= (int)dummy_stratum)
continue;
if (has_all_mem)
for (t = target_structs; t < target_structs + target_struct_size;
++t)
{
- if (target_can_run(*t))
+ if ((*t)->to_can_run && target_can_run(*t))
{
runable = *t;
++count;
return;
}
+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;
return;
}
+void
+find_default_clone_and_follow_inferior (child_pid, followed_child)
+ int child_pid;
+ int *followed_child;
+{
+ struct target_ops *t;
+
+ t = find_default_run_target("run");
+ (t->to_clone_and_follow_inferior) (child_pid, followed_child);
+ return;
+}
+
static int
return_zero ()
{
return 0;
}
+static int
+return_one ()
+{
+ return 1;
+}
+
struct target_ops *
find_core_target ()
{
inferior_pid = 0;
attach_flag = 0;
- breakpoint_init_inferior ();
+ breakpoint_init_inferior (inf_exited);
registers_changed ();
#ifdef CLEAR_DEFERRED_STORES
{"SIGLWP", "Signal LWP"},
{"SIGDANGER", "Swap space dangerously low"},
{"SIGGRANT", "Monitor mode granted"},
- {"SIGRETRACT", "Need to relinguish monitor mode"},
+ {"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"},
#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;
}
#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",
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));
{
static char buf[30];
- sprintf (buf, "process %d", pid);
+ if (STREQ (current_target.to_shortname, "remote"))
+ sprintf (buf, "thread %d\0", pid);
+ else
+ sprintf (buf, "process %d\0", pid);
return buf;
}
-\f
-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.";
+/* 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.
+ */
void
-_initialize_targets ()
+normal_target_post_startup_inferior (pid)
+ int pid;
{
- push_target (&dummy_target);
+ /* This space intentionally left blank. */
+}
- add_info ("target", target_info, targ_desc);
- add_info ("files", target_info, targ_desc);
+\f
+#ifdef MAINTENANCE_CMDS
+static struct target_ops debug_target;
+
+static void
+debug_to_open (args, from_tty)
+ char *args;
+ int from_tty;
+{
+ debug_target.to_open (args, from_tty);
+
+ fprintf_unfiltered (gdb_stderr, "target_open (%s, %d)\n", args, from_tty);
+}
+
+static void
+debug_to_close (quitting)
+ int quitting;
+{
+ debug_target.to_close (quitting);
+
+ fprintf_unfiltered (gdb_stderr, "target_close (%d)\n", quitting);
+}
+
+static void
+debug_to_attach (args, from_tty)
+ char *args;
+ int from_tty;
+{
+ debug_target.to_attach (args, from_tty);
+
+ fprintf_unfiltered (gdb_stderr, "target_attach (%s, %d)\n", args, from_tty);
+}
+
+
+static void
+debug_to_post_attach (pid)
+ 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);
+}
+
+static void
+debug_to_detach (args, from_tty)
+ 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);
+}
+
+static void
+debug_to_resume (pid, step, siggnal)
+ int pid;
+ int step;
+ enum target_signal siggnal;
+{
+ debug_target.to_resume (pid, step, siggnal);
+
+ fprintf_unfiltered (gdb_stderr, "target_resume (%d, %s, %s)\n", pid,
+ step ? "step" : "continue",
+ target_signal_to_name (siggnal));
+}
+
+static int
+debug_to_wait (pid, status)
+ int pid;
+ struct target_waitstatus *status;
+{
+ int retval;
+
+ retval = debug_target.to_wait (pid, status);
+
+ fprintf_unfiltered (gdb_stderr,
+ "target_wait (%d, status) = %d, ", pid, retval);
+ fprintf_unfiltered (gdb_stderr, "status->kind = ");
+ switch (status->kind)
+ {
+ case TARGET_WAITKIND_EXITED:
+ fprintf_unfiltered (gdb_stderr, "exited, status = %d\n",
+ status->value.integer);
+ break;
+ case TARGET_WAITKIND_STOPPED:
+ fprintf_unfiltered (gdb_stderr, "stopped, signal = %s\n",
+ target_signal_to_name (status->value.sig));
+ break;
+ case TARGET_WAITKIND_SIGNALLED:
+ fprintf_unfiltered (gdb_stderr, "signalled, signal = %s\n",
+ target_signal_to_name (status->value.sig));
+ break;
+ case TARGET_WAITKIND_LOADED:
+ fprintf_unfiltered (gdb_stderr, "loaded\n");
+ break;
+ case TARGET_WAITKIND_FORKED:
+ fprintf_unfiltered (gdb_stderr, "forked\n");
+ break;
+ case TARGET_WAITKIND_VFORKED:
+ fprintf_unfiltered (gdb_stderr, "vforked\n");
+ break;
+ case TARGET_WAITKIND_EXECD:
+ fprintf_unfiltered (gdb_stderr, "execd\n");
+ break;
+ case TARGET_WAITKIND_SPURIOUS:
+ fprintf_unfiltered (gdb_stderr, "spurious\n");
+ break;
+ default:
+ fprintf_unfiltered (gdb_stderr, "unknown???\n");
+ break;
+ }
+
+ return retval;
+}
+
+static void
+debug_to_post_wait (pid, status)
+ int pid;
+ int status;
+{
+ debug_target.to_post_wait (pid, status);
+
+ fprintf_unfiltered (gdb_stderr, "target_post_wait (%d, %d)\n",
+ pid, status);
+}
+
+static void
+debug_to_fetch_registers (regno)
+ int regno;
+{
+ debug_target.to_fetch_registers (regno);
+
+ 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_store_registers (regno)
+ 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);
+}
+
+static void
+debug_to_prepare_to_store ()
+{
+ debug_target.to_prepare_to_store ();
+
+ fprintf_unfiltered (gdb_stderr, "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;
+{
+ int retval;
+
+ retval = debug_target.to_xfer_memory (memaddr, myaddr, len, write, target);
+
+ fprintf_unfiltered (gdb_stderr,
+ "target_xfer_memory (0x%x, xxx, %d, %s, xxx) = %d",
+ (unsigned int) memaddr, /* possable truncate long long */
+ len, write ? "write" : "read", retval);
+
+
+
+ if (retval > 0)
+ {
+ int i;
+
+ fputs_unfiltered (", bytes =", gdb_stderr);
+ 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);
+ }
+ }
+
+ fputc_unfiltered ('\n', gdb_stderr);
+
+ return retval;
+}
+
+static void
+debug_to_files_info (target)
+ struct target_ops *target;
+{
+ debug_target.to_files_info (target);
+
+ fprintf_unfiltered (gdb_stderr, "target_files_info (xxx)\n");
+}
+
+static int
+debug_to_insert_breakpoint (addr, save)
+ 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);
+ return retval;
+}
+
+static int
+debug_to_remove_breakpoint (addr, save)
+ 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);
+ return retval;
+}
+
+static void
+debug_to_terminal_init ()
+{
+ debug_target.to_terminal_init ();
+
+ fprintf_unfiltered (gdb_stderr, "target_terminal_init ()\n");
+}
+
+static void
+debug_to_terminal_inferior ()
+{
+ debug_target.to_terminal_inferior ();
+
+ fprintf_unfiltered (gdb_stderr, "target_terminal_inferior ()\n");
+}
+
+static void
+debug_to_terminal_ours_for_output ()
+{
+ debug_target.to_terminal_ours_for_output ();
+
+ fprintf_unfiltered (gdb_stderr, "target_terminal_ours_for_output ()\n");
+}
+
+static void
+debug_to_terminal_ours ()
+{
+ debug_target.to_terminal_ours ();
+
+ fprintf_unfiltered (gdb_stderr, "target_terminal_ours ()\n");
+}
+
+static void
+debug_to_terminal_info (arg, from_tty)
+ char *arg;
+ int from_tty;
+{
+ debug_target.to_terminal_info (arg, from_tty);
+
+ fprintf_unfiltered (gdb_stderr, "target_terminal_info (%s, %d)\n", arg,
+ from_tty);
+}
+
+static void
+debug_to_kill ()
+{
+ debug_target.to_kill ();
+
+ fprintf_unfiltered (gdb_stderr, "target_kill ()\n");
+}
+
+static void
+debug_to_load (args, from_tty)
+ char *args;
+ int from_tty;
+{
+ debug_target.to_load (args, from_tty);
+
+ fprintf_unfiltered (gdb_stderr, "target_load (%s, %d)\n", args, from_tty);
+}
+
+static int
+debug_to_lookup_symbol (name, addrp)
+ char *name;
+ CORE_ADDR *addrp;
+{
+ int retval;
+
+ retval = debug_target.to_lookup_symbol (name, addrp);
+
+ fprintf_unfiltered (gdb_stderr, "target_lookup_symbol (%s, xxx)\n", name);
+
+ return retval;
+}
+
+static void
+debug_to_create_inferior (exec_file, args, env)
+ char *exec_file;
+ char *args;
+ char **env;
+{
+ debug_target.to_create_inferior (exec_file, args, env);
+
+ fprintf_unfiltered (gdb_stderr, "target_create_inferior (%s, %s, xxx)\n",
+ exec_file, args);
+}
+
+static void
+debug_to_post_startup_inferior (pid)
+ int pid;
+{
+ debug_target.to_post_startup_inferior (pid);
+
+ fprintf_unfiltered (gdb_stderr, "target_post_startup_inferior (%d)\n",
+ pid);
+}
+
+static void
+debug_to_acknowledge_created_inferior (pid)
+ int pid;
+{
+ debug_target.to_acknowledge_created_inferior (pid);
+
+ fprintf_unfiltered (gdb_stderr, "target_acknowledge_created_inferior (%d)\n",
+ 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_stderr,
+ "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_stderr, "target_post_follow_inferior_by_clone ()\n");
+}
+
+static int
+debug_to_insert_fork_catchpoint (pid)
+ int pid;
+{
+ int retval;
+
+ retval = debug_target.to_insert_fork_catchpoint (pid);
+
+ fprintf_unfiltered (gdb_stderr, "target_insert_fork_catchpoint (%d) = %d\n",
+ pid, retval);
+
+ return retval;
+}
+
+static int
+debug_to_remove_fork_catchpoint (pid)
+ int pid;
+{
+ int retval;
+
+ retval = debug_target.to_remove_fork_catchpoint (pid);
+
+ fprintf_unfiltered (gdb_stderr, "target_remove_fork_catchpoint (%d) = %d\n",
+ pid, retval);
+
+ return retval;
+}
+
+static int
+debug_to_insert_vfork_catchpoint (pid)
+ int pid;
+{
+ int retval;
+
+ retval = debug_target.to_insert_vfork_catchpoint (pid);
+
+ fprintf_unfiltered (gdb_stderr, "target_insert_vfork_catchpoint (%d)= %d\n",
+ pid, retval);
+
+ return retval;
+}
+
+static int
+debug_to_remove_vfork_catchpoint (pid)
+ int pid;
+{
+ int retval;
+
+ retval = debug_target.to_remove_vfork_catchpoint (pid);
+
+ fprintf_unfiltered (gdb_stderr, "target_remove_vfork_catchpoint (%d) = %d\n",
+ pid, retval);
+
+ return 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_stderr, "target_has_forked (%d, %d) = %d\n",
+ pid, *child_pid, has_forked);
+
+ return has_forked;
+}
+
+static int
+debug_to_has_vforked (pid, child_pid)
+ int pid;
+ int * child_pid;
+{
+ int has_vforked;
+
+ has_vforked = debug_target.to_has_vforked (pid, child_pid);
+
+ fprintf_unfiltered (gdb_stderr, "target_has_vforked (%d, %d) = %d\n",
+ pid, *child_pid, has_vforked);
+
+ return has_vforked;
+}
+
+static int
+debug_to_can_follow_vfork_prior_to_exec ()
+{
+ int can_immediately_follow_vfork;
+
+ can_immediately_follow_vfork = debug_target.to_can_follow_vfork_prior_to_exec ();
+
+ fprintf_unfiltered (gdb_stderr, "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_stderr,
+ "target_post_follow_vfork (%d, %d, %d, %d)\n",
+ parent_pid, followed_parent, child_pid, followed_child);
+}
+
+static int
+debug_to_insert_exec_catchpoint (pid)
+ int pid;
+{
+ int retval;
+
+ retval = debug_target.to_insert_exec_catchpoint (pid);
+
+ fprintf_unfiltered (gdb_stderr, "target_insert_exec_catchpoint (%d) = %d\n",
+ pid, retval);
+
+ return retval;
+}
+
+static int
+debug_to_remove_exec_catchpoint (pid)
+ int pid;
+{
+ int retval;
+
+ retval = debug_target.to_remove_exec_catchpoint (pid);
+
+ fprintf_unfiltered (gdb_stderr, "target_remove_exec_catchpoint (%d) = %d\n",
+ pid, retval);
+
+ return 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_stderr, "target_has_execd (%d, %s) = %d\n",
+ pid, *execd_pathname, has_execd);
+
+ return has_execd;
+}
+
+static int
+debug_to_reported_exec_events_per_exec_call ()
+{
+ int reported_exec_events;
+
+ reported_exec_events = debug_target.to_reported_exec_events_per_exec_call ();
+
+ fprintf_unfiltered (gdb_stderr,
+ "target_reported_exec_events_per_exec_call () = %d\n",
+ reported_exec_events);
+
+ return 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_stderr,
+ "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;
+{
+ 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);
+
+ return has_exited;
+}
+
+static void
+debug_to_mourn_inferior ()
+{
+ debug_target.to_mourn_inferior ();
+
+ fprintf_unfiltered (gdb_stderr, "target_mourn_inferior ()\n");
+}
+
+static int
+debug_to_can_run ()
+{
+ int retval;
+
+ retval = debug_target.to_can_run ();
+
+ fprintf_unfiltered (gdb_stderr, "target_can_run () = %d\n", retval);
+
+ return retval;
+}
+
+static void
+debug_to_notice_signals (pid)
+ int pid;
+{
+ debug_target.to_notice_signals (pid);
+
+ fprintf_unfiltered (gdb_stderr, "target_notice_signals (%d)\n", pid);
+}
+
+static int
+debug_to_thread_alive (pid)
+ int pid;
+{
+ int retval;
+
+ retval = debug_target.to_thread_alive (pid);
+
+ fprintf_unfiltered (gdb_stderr, "target_thread_alive (%d) = %d\n",
+ pid, retval);
+
+ return retval;
+}
+
+static void
+debug_to_stop ()
+{
+ debug_target.to_stop ();
+
+ fprintf_unfiltered (gdb_stderr, "target_stop ()\n");
+}
+
+static int
+debug_to_query (type, req, resp, siz)
+ char type;
+ char *req;
+ char *resp;
+ int *siz;
+{
+ int retval;
+
+ retval = debug_target.to_query (type, req, resp, siz);
+
+ fprintf_unfiltered (gdb_stderr, "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;
+{
+ debug_target.to_enable_exception_callback (kind, enable);
+
+ fprintf_unfiltered (gdb_stderr,
+ "target get_exception_callback_sal (%d, %d)\n",
+ kind, enable);
+}
+
+static struct exception_event_record *
+debug_to_get_current_exception_event ()
+{
+ debug_target.to_get_current_exception_event();
+
+ fprintf_unfiltered (gdb_stderr, "target get_current_exception_event ()\n");
+}
+
+static char *
+debug_to_pid_to_exec_file (pid)
+ int pid;
+{
+ 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);
+
+ 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 ()
+{
+ memcpy (&debug_target, ¤t_target, sizeof debug_target);
+
+ current_target.to_open = debug_to_open;
+ 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_fetch_registers = debug_to_fetch_registers;
+ current_target.to_store_registers = debug_to_store_registers;
+ current_target.to_prepare_to_store = debug_to_prepare_to_store;
+ current_target.to_xfer_memory = debug_to_xfer_memory;
+ 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_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_info = debug_to_terminal_info;
+ current_target.to_kill = debug_to_kill;
+ current_target.to_load = debug_to_load;
+ current_target.to_lookup_symbol = debug_to_lookup_symbol;
+ 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_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_stop = debug_to_stop;
+ current_target.to_query = debug_to_query;
+ 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\
+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.";
+
+void
+initialize_targets ()
+{
+ 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 ();
projects / deliverable / binutils-gdb.git / blobdiff