/* Select target systems and architectures at runtime for GDB.
- Copyright 1990, 1992-1995, 1998, 1999 Free Software Foundation, Inc.
+ Copyright 1990, 1992-1995, 1998-2000 Free Software Foundation, Inc.
Contributed by Cygnus Support.
This file is part of GDB.
#include "bfd.h"
#include "symfile.h"
#include "objfiles.h"
-#include "wait.h"
+#include "gdb_wait.h"
#include <signal.h>
extern int errno;
{
#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_require_attach,
+ maybe_kill_then_attach);
+ de_fault (to_detach,
+ (void (*) (char *, int))
+ target_ignore);
+ de_fault (to_require_detach,
+ (void (*) (int, char *, int))
+ target_ignore);
+ de_fault (to_resume,
+ (void (*) (int, int, enum target_signal))
+ noprocess);
+ de_fault (to_wait,
+ (int (*) (int, struct target_waitstatus *))
+ noprocess);
+ de_fault (to_post_wait,
+ (void (*) (int, 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 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_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_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 (*) (int))
+ target_ignore);
+ de_fault (to_acknowledge_created_inferior,
+ (void (*) (int))
+ target_ignore);
+ de_fault (to_clone_and_follow_inferior,
+ default_clone_and_follow_inferior);
+ de_fault (to_post_follow_inferior_by_clone,
+ (void (*) (void))
+ target_ignore);
+ de_fault (to_insert_fork_catchpoint,
+ (int (*) (int))
+ tcomplain);
+ de_fault (to_remove_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_has_forked,
+ (int (*) (int, int *))
+ return_zero);
+ de_fault (to_has_vforked,
+ (int (*) (int, int *))
+ return_zero);
+ de_fault (to_can_follow_vfork_prior_to_exec,
+ (int (*) (void))
+ return_zero);
+ de_fault (to_post_follow_vfork,
+ (void (*) (int, int, int, int))
+ target_ignore);
+ de_fault (to_insert_exec_catchpoint,
+ (int (*) (int))
+ tcomplain);
+ de_fault (to_remove_exec_catchpoint,
+ (int (*) (int))
+ tcomplain);
+ de_fault (to_has_execd,
+ (int (*) (int, char **))
+ return_zero);
+ de_fault (to_reported_exec_events_per_exec_call,
+ (int (*) (void))
+ return_one);
+ de_fault (to_has_syscall_event,
+ (int (*) (int, enum target_waitkind *, int *))
+ return_zero);
+ de_fault (to_has_exited,
+ (int (*) (int, int, int *))
+ return_zero);
+ de_fault (to_mourn_inferior,
+ (void (*) (void))
+ noprocess);
+ de_fault (to_can_run,
+ return_zero);
+ de_fault (to_notice_signals,
+ (void (*) (int))
+ target_ignore);
+ de_fault (to_thread_alive,
+ (int (*) (int))
+ 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_query,
+ (int (*) (int, char *, char *, int *))
+ return_zero);
+ 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_core_file_to_sym_file,
+ (char *(*) (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);
#undef de_fault
}
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);
}
+/* 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. */
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:
if (oursig >= TARGET_SIGNAL_REALTIME_33
&& oursig <= TARGET_SIGNAL_REALTIME_63)
{
+ /* This block of signals is continuous, and
+ TARGET_SIGNAL_REALTIME_33 is 33 by definition. */
int retsig =
- (int) oursig - (int) TARGET_SIGNAL_REALTIME_33 + REALTIME_LO;
- if (retsig < REALTIME_HI)
+ (int) oursig - (int) TARGET_SIGNAL_REALTIME_33 + 33;
+ if (retsig >= REALTIME_LO && retsig < REALTIME_HI)
return retsig;
}
+#if (REALTIME_LO < 33)
+ else if (oursig == TARGET_SIGNAL_REALTIME_32)
+ {
+ /* TARGET_SIGNAL_REALTIME_32 isn't contiguous with
+ TARGET_SIGNAL_REALTIME_33. It is 32 by definition. */
+ return 32;
+ }
+#endif
#endif
*oursig_ok = 0;
return 0;
return retval;
}
+static void
+debug_to_find_new_threads ()
+{
+ debug_target.to_find_new_threads ();
+
+ fputs_unfiltered ("target_find_new_threads ()\n", gdb_stdlog);
+}
+
static void
debug_to_stop ()
{
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);
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;