/* Dynamic architecture support for GDB, the GNU debugger.
- Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
- Free Software Foundation, Inc.
+ Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
+ 2007, 2008, 2009 Free Software Foundation, Inc.
This file is part of GDB.
gdbarch_skip_permanent_breakpoint_ftype *skip_permanent_breakpoint;
ULONGEST max_insn_length;
gdbarch_displaced_step_copy_insn_ftype *displaced_step_copy_insn;
+ gdbarch_displaced_step_hw_singlestep_ftype *displaced_step_hw_singlestep;
gdbarch_displaced_step_fixup_ftype *displaced_step_fixup;
gdbarch_displaced_step_free_closure_ftype *displaced_step_free_closure;
gdbarch_displaced_step_location_ftype *displaced_step_location;
gdbarch_static_transform_name_ftype *static_transform_name;
int sofun_address_maybe_missing;
gdbarch_process_record_ftype *process_record;
+ gdbarch_process_record_signal_ftype *process_record_signal;
gdbarch_target_signal_from_host_ftype *target_signal_from_host;
gdbarch_target_signal_to_host_ftype *target_signal_to_host;
gdbarch_get_siginfo_type_ftype *get_siginfo_type;
gdbarch_record_special_symbol_ftype *record_special_symbol;
+ gdbarch_get_syscall_number_ftype *get_syscall_number;
int has_global_solist;
int has_global_breakpoints;
+ gdbarch_has_shared_address_space_ftype *has_shared_address_space;
+ gdbarch_fast_tracepoint_valid_at_ftype *fast_tracepoint_valid_at;
};
0, /* register_to_value */
0, /* value_to_register */
0, /* value_from_register */
- 0, /* pointer_to_address */
- 0, /* address_to_pointer */
+ unsigned_pointer_to_address, /* pointer_to_address */
+ unsigned_address_to_pointer, /* address_to_pointer */
0, /* integer_to_address */
0, /* return_value */
0, /* skip_prologue */
0, /* print_insn */
0, /* skip_trampoline_code */
generic_skip_solib_resolver, /* skip_solib_resolver */
- 0, /* in_solib_return_trampoline */
+ generic_in_solib_return_trampoline, /* in_solib_return_trampoline */
generic_in_function_epilogue_p, /* in_function_epilogue_p */
0, /* elf_make_msymbol_special */
0, /* coff_make_msymbol_special */
0, /* skip_permanent_breakpoint */
0, /* max_insn_length */
0, /* displaced_step_copy_insn */
+ default_displaced_step_hw_singlestep, /* displaced_step_hw_singlestep */
0, /* displaced_step_fixup */
NULL, /* displaced_step_free_closure */
NULL, /* displaced_step_location */
0, /* static_transform_name */
0, /* sofun_address_maybe_missing */
0, /* process_record */
+ 0, /* process_record_signal */
default_target_signal_from_host, /* target_signal_from_host */
default_target_signal_to_host, /* target_signal_to_host */
0, /* get_siginfo_type */
0, /* record_special_symbol */
+ 0, /* get_syscall_number */
0, /* has_global_solist */
0, /* has_global_breakpoints */
+ default_has_shared_address_space, /* has_shared_address_space */
+ default_fast_tracepoint_valid_at, /* fast_tracepoint_valid_at */
/* startup_gdbarch() */
};
-struct gdbarch *current_gdbarch = &startup_gdbarch;
struct gdbarch *target_gdbarch = &startup_gdbarch;
/* Create a new ``struct gdbarch'' based on information provided by
gdbarch->elf_make_msymbol_special = default_elf_make_msymbol_special;
gdbarch->coff_make_msymbol_special = default_coff_make_msymbol_special;
gdbarch->register_reggroup_p = default_register_reggroup_p;
+ gdbarch->displaced_step_hw_singlestep = default_displaced_step_hw_singlestep;
gdbarch->displaced_step_fixup = NULL;
gdbarch->displaced_step_free_closure = NULL;
gdbarch->displaced_step_location = NULL;
gdbarch->target_signal_from_host = default_target_signal_from_host;
gdbarch->target_signal_to_host = default_target_signal_to_host;
+ gdbarch->has_shared_address_space = default_has_shared_address_space;
+ gdbarch->fast_tracepoint_valid_at = default_fast_tracepoint_valid_at;
/* gdbarch_alloc() */
return gdbarch;
{
struct ui_file *log;
struct cleanup *cleanups;
- long dummy;
+ long length;
char *buf;
log = mem_fileopen ();
cleanups = make_cleanup_ui_file_delete (log);
/* Skip verify of skip_permanent_breakpoint, has predicate */
/* Skip verify of max_insn_length, has predicate */
/* Skip verify of displaced_step_copy_insn, has predicate */
+ /* Skip verify of displaced_step_hw_singlestep, invalid_p == 0 */
/* Skip verify of displaced_step_fixup, has predicate */
if ((! gdbarch->displaced_step_free_closure) != (! gdbarch->displaced_step_copy_insn))
fprintf_unfiltered (log, "\n\tdisplaced_step_free_closure");
/* Skip verify of static_transform_name, has predicate */
/* Skip verify of sofun_address_maybe_missing, invalid_p == 0 */
/* Skip verify of process_record, has predicate */
+ /* Skip verify of process_record_signal, has predicate */
/* Skip verify of target_signal_from_host, invalid_p == 0 */
/* Skip verify of target_signal_to_host, invalid_p == 0 */
/* Skip verify of get_siginfo_type, has predicate */
/* Skip verify of record_special_symbol, has predicate */
+ /* Skip verify of get_syscall_number, has predicate */
/* Skip verify of has_global_solist, invalid_p == 0 */
/* Skip verify of has_global_breakpoints, invalid_p == 0 */
- buf = ui_file_xstrdup (log, &dummy);
+ /* Skip verify of has_shared_address_space, invalid_p == 0 */
+ /* Skip verify of fast_tracepoint_valid_at, invalid_p == 0 */
+ buf = ui_file_xstrdup (log, &length);
make_cleanup (xfree, buf);
- if (strlen (buf) > 0)
+ if (length > 0)
internal_error (__FILE__, __LINE__,
_("verify_gdbarch: the following are invalid ...%s"),
buf);
fprintf_unfiltered (file,
"gdbarch_dump: displaced_step_free_closure = <%s>\n",
host_address_to_string (gdbarch->displaced_step_free_closure));
+ fprintf_unfiltered (file,
+ "gdbarch_dump: displaced_step_hw_singlestep = <%s>\n",
+ host_address_to_string (gdbarch->displaced_step_hw_singlestep));
fprintf_unfiltered (file,
"gdbarch_dump: displaced_step_location = <%s>\n",
host_address_to_string (gdbarch->displaced_step_location));
fprintf_unfiltered (file,
"gdbarch_dump: elf_make_msymbol_special = <%s>\n",
host_address_to_string (gdbarch->elf_make_msymbol_special));
+ fprintf_unfiltered (file,
+ "gdbarch_dump: fast_tracepoint_valid_at = <%s>\n",
+ host_address_to_string (gdbarch->fast_tracepoint_valid_at));
fprintf_unfiltered (file,
"gdbarch_dump: gdbarch_fetch_pointer_argument_p() = %d\n",
gdbarch_fetch_pointer_argument_p (gdbarch));
fprintf_unfiltered (file,
"gdbarch_dump: get_siginfo_type = <%s>\n",
host_address_to_string (gdbarch->get_siginfo_type));
+ fprintf_unfiltered (file,
+ "gdbarch_dump: gdbarch_get_syscall_number_p() = %d\n",
+ gdbarch_get_syscall_number_p (gdbarch));
+ fprintf_unfiltered (file,
+ "gdbarch_dump: get_syscall_number = <%s>\n",
+ host_address_to_string (gdbarch->get_syscall_number));
fprintf_unfiltered (file,
"gdbarch_dump: has_global_breakpoints = %s\n",
plongest (gdbarch->has_global_breakpoints));
fprintf_unfiltered (file,
"gdbarch_dump: has_global_solist = %s\n",
plongest (gdbarch->has_global_solist));
+ fprintf_unfiltered (file,
+ "gdbarch_dump: has_shared_address_space = <%s>\n",
+ host_address_to_string (gdbarch->has_shared_address_space));
fprintf_unfiltered (file,
"gdbarch_dump: have_nonsteppable_watchpoint = %s\n",
plongest (gdbarch->have_nonsteppable_watchpoint));
fprintf_unfiltered (file,
"gdbarch_dump: process_record = <%s>\n",
host_address_to_string (gdbarch->process_record));
+ fprintf_unfiltered (file,
+ "gdbarch_dump: gdbarch_process_record_signal_p() = %d\n",
+ gdbarch_process_record_signal_p (gdbarch));
+ fprintf_unfiltered (file,
+ "gdbarch_dump: process_record_signal = <%s>\n",
+ host_address_to_string (gdbarch->process_record_signal));
fprintf_unfiltered (file,
"gdbarch_dump: ps_regnum = %s\n",
plongest (gdbarch->ps_regnum));
gdb_assert (gdbarch->pointer_to_address != NULL);
if (gdbarch_debug >= 2)
fprintf_unfiltered (gdb_stdlog, "gdbarch_pointer_to_address called\n");
- return gdbarch->pointer_to_address (type, buf);
+ return gdbarch->pointer_to_address (gdbarch, type, buf);
}
void
gdb_assert (gdbarch->address_to_pointer != NULL);
if (gdbarch_debug >= 2)
fprintf_unfiltered (gdb_stdlog, "gdbarch_address_to_pointer called\n");
- gdbarch->address_to_pointer (type, buf, addr);
+ gdbarch->address_to_pointer (gdbarch, type, buf, addr);
}
void
gdb_assert (gdbarch->in_solib_return_trampoline != NULL);
if (gdbarch_debug >= 2)
fprintf_unfiltered (gdb_stdlog, "gdbarch_in_solib_return_trampoline called\n");
- return gdbarch->in_solib_return_trampoline (pc, name);
+ return gdbarch->in_solib_return_trampoline (gdbarch, pc, name);
}
void
gdbarch->displaced_step_copy_insn = displaced_step_copy_insn;
}
+int
+gdbarch_displaced_step_hw_singlestep (struct gdbarch *gdbarch, struct displaced_step_closure *closure)
+{
+ gdb_assert (gdbarch != NULL);
+ gdb_assert (gdbarch->displaced_step_hw_singlestep != NULL);
+ if (gdbarch_debug >= 2)
+ fprintf_unfiltered (gdb_stdlog, "gdbarch_displaced_step_hw_singlestep called\n");
+ return gdbarch->displaced_step_hw_singlestep (gdbarch, closure);
+}
+
+void
+set_gdbarch_displaced_step_hw_singlestep (struct gdbarch *gdbarch,
+ gdbarch_displaced_step_hw_singlestep_ftype displaced_step_hw_singlestep)
+{
+ gdbarch->displaced_step_hw_singlestep = displaced_step_hw_singlestep;
+}
+
int
gdbarch_displaced_step_fixup_p (struct gdbarch *gdbarch)
{
gdbarch->process_record = process_record;
}
+int
+gdbarch_process_record_signal_p (struct gdbarch *gdbarch)
+{
+ gdb_assert (gdbarch != NULL);
+ return gdbarch->process_record_signal != NULL;
+}
+
+int
+gdbarch_process_record_signal (struct gdbarch *gdbarch, struct regcache *regcache, enum target_signal signal)
+{
+ gdb_assert (gdbarch != NULL);
+ gdb_assert (gdbarch->process_record_signal != NULL);
+ if (gdbarch_debug >= 2)
+ fprintf_unfiltered (gdb_stdlog, "gdbarch_process_record_signal called\n");
+ return gdbarch->process_record_signal (gdbarch, regcache, signal);
+}
+
+void
+set_gdbarch_process_record_signal (struct gdbarch *gdbarch,
+ gdbarch_process_record_signal_ftype process_record_signal)
+{
+ gdbarch->process_record_signal = process_record_signal;
+}
+
enum target_signal
gdbarch_target_signal_from_host (struct gdbarch *gdbarch, int signo)
{
gdbarch->record_special_symbol = record_special_symbol;
}
+int
+gdbarch_get_syscall_number_p (struct gdbarch *gdbarch)
+{
+ gdb_assert (gdbarch != NULL);
+ return gdbarch->get_syscall_number != NULL;
+}
+
+LONGEST
+gdbarch_get_syscall_number (struct gdbarch *gdbarch, ptid_t ptid)
+{
+ gdb_assert (gdbarch != NULL);
+ gdb_assert (gdbarch->get_syscall_number != NULL);
+ if (gdbarch_debug >= 2)
+ fprintf_unfiltered (gdb_stdlog, "gdbarch_get_syscall_number called\n");
+ return gdbarch->get_syscall_number (gdbarch, ptid);
+}
+
+void
+set_gdbarch_get_syscall_number (struct gdbarch *gdbarch,
+ gdbarch_get_syscall_number_ftype get_syscall_number)
+{
+ gdbarch->get_syscall_number = get_syscall_number;
+}
+
int
gdbarch_has_global_solist (struct gdbarch *gdbarch)
{
gdbarch->has_global_breakpoints = has_global_breakpoints;
}
+int
+gdbarch_has_shared_address_space (struct gdbarch *gdbarch)
+{
+ gdb_assert (gdbarch != NULL);
+ gdb_assert (gdbarch->has_shared_address_space != NULL);
+ if (gdbarch_debug >= 2)
+ fprintf_unfiltered (gdb_stdlog, "gdbarch_has_shared_address_space called\n");
+ return gdbarch->has_shared_address_space (gdbarch);
+}
+
+void
+set_gdbarch_has_shared_address_space (struct gdbarch *gdbarch,
+ gdbarch_has_shared_address_space_ftype has_shared_address_space)
+{
+ gdbarch->has_shared_address_space = has_shared_address_space;
+}
+
+int
+gdbarch_fast_tracepoint_valid_at (struct gdbarch *gdbarch, CORE_ADDR addr, int *isize, char **msg)
+{
+ gdb_assert (gdbarch != NULL);
+ gdb_assert (gdbarch->fast_tracepoint_valid_at != NULL);
+ if (gdbarch_debug >= 2)
+ fprintf_unfiltered (gdb_stdlog, "gdbarch_fast_tracepoint_valid_at called\n");
+ return gdbarch->fast_tracepoint_valid_at (gdbarch, addr, isize, msg);
+}
+
+void
+set_gdbarch_fast_tracepoint_valid_at (struct gdbarch *gdbarch,
+ gdbarch_fast_tracepoint_valid_at_ftype fast_tracepoint_valid_at)
+{
+ gdbarch->fast_tracepoint_valid_at = fast_tracepoint_valid_at;
+}
+
/* Keep a registry of per-architecture data-pointers required by GDB
modules. */
/* Find an architecture that matches the specified INFO. Create a new
- architecture if needed. Return that new architecture. Assumes
- that there is no current architecture. */
+ architecture if needed. Return that new architecture. */
-static struct gdbarch *
-find_arch_by_info (struct gdbarch_info info)
+struct gdbarch *
+gdbarch_find_by_info (struct gdbarch_info info)
{
struct gdbarch *new_gdbarch;
struct gdbarch_registration *rego;
- /* The existing architecture has been swapped out - all this code
- works from a clean slate. */
- gdb_assert (current_gdbarch == NULL);
-
/* Fill in missing parts of the INFO struct using a number of
sources: "set ..."; INFOabfd supplied; and the global
defaults. */
if (gdbarch_debug)
{
fprintf_unfiltered (gdb_stdlog,
- "find_arch_by_info: info.bfd_arch_info %s\n",
+ "gdbarch_find_by_info: info.bfd_arch_info %s\n",
(info.bfd_arch_info != NULL
? info.bfd_arch_info->printable_name
: "(null)"));
fprintf_unfiltered (gdb_stdlog,
- "find_arch_by_info: info.byte_order %d (%s)\n",
+ "gdbarch_find_by_info: info.byte_order %d (%s)\n",
info.byte_order,
(info.byte_order == BFD_ENDIAN_BIG ? "big"
: info.byte_order == BFD_ENDIAN_LITTLE ? "little"
: "default"));
fprintf_unfiltered (gdb_stdlog,
- "find_arch_by_info: info.osabi %d (%s)\n",
+ "gdbarch_find_by_info: info.osabi %d (%s)\n",
info.osabi, gdbarch_osabi_name (info.osabi));
fprintf_unfiltered (gdb_stdlog,
- "find_arch_by_info: info.abfd %s\n",
+ "gdbarch_find_by_info: info.abfd %s\n",
host_address_to_string (info.abfd));
fprintf_unfiltered (gdb_stdlog,
- "find_arch_by_info: info.tdep_info %s\n",
+ "gdbarch_find_by_info: info.tdep_info %s\n",
host_address_to_string (info.tdep_info));
}
if (rego == NULL)
{
if (gdbarch_debug)
- fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: "
+ fprintf_unfiltered (gdb_stdlog, "gdbarch_find_by_info: "
"No matching architecture\n");
return 0;
}
if (new_gdbarch == NULL)
{
if (gdbarch_debug)
- fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: "
+ fprintf_unfiltered (gdb_stdlog, "gdbarch_find_by_info: "
"Target rejected architecture\n");
return NULL;
}
struct gdbarch_list **list;
struct gdbarch_list *this;
if (gdbarch_debug)
- fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: "
+ fprintf_unfiltered (gdb_stdlog, "gdbarch_find_by_info: "
"Previous architecture %s (%s) selected\n",
host_address_to_string (new_gdbarch),
new_gdbarch->bfd_arch_info->printable_name);
/* It's a new architecture. */
if (gdbarch_debug)
- fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: "
+ fprintf_unfiltered (gdb_stdlog, "gdbarch_find_by_info: "
"New architecture %s (%s) selected\n",
host_address_to_string (new_gdbarch),
new_gdbarch->bfd_arch_info->printable_name);
return new_gdbarch;
}
-struct gdbarch *
-gdbarch_find_by_info (struct gdbarch_info info)
-{
- struct gdbarch *new_gdbarch;
-
- /* Save the previously selected architecture, setting the global to
- NULL. This stops things like gdbarch->init() trying to use the
- previous architecture's configuration. The previous architecture
- may not even be of the same architecture family. The most recent
- architecture of the same family is found at the head of the
- rego->arches list. */
- struct gdbarch *old_gdbarch = current_gdbarch;
- current_gdbarch = NULL;
-
- /* Find the specified architecture. */
- new_gdbarch = find_arch_by_info (info);
-
- /* Restore the existing architecture. */
- gdb_assert (current_gdbarch == NULL);
- current_gdbarch = old_gdbarch;
-
- return new_gdbarch;
-}
-
/* Make the specified architecture current. */
void
-deprecated_current_gdbarch_select_hack (struct gdbarch *new_gdbarch)
+deprecated_target_gdbarch_select_hack (struct gdbarch *new_gdbarch)
{
gdb_assert (new_gdbarch != NULL);
- gdb_assert (current_gdbarch != NULL);
gdb_assert (new_gdbarch->initialized_p);
- current_gdbarch = new_gdbarch;
target_gdbarch = new_gdbarch;
observer_notify_architecture_changed (new_gdbarch);
registers_changed ();