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2012-11-09  Pedro Alves  <palves@redhat.com>

	* gdbarch.sh (target_gdbarch) <gdbarch.h>: Reimplement as macro.
	(get_target_gdbarch) <gdbarch.h>: New function.
	(startup_gdbarch) <gdbarch.h>: Declare.
	<gdbarch.c> (target_gdbarch): Delete.
	<gdbarch.c> (deprecated_target_gdbarch_select_hack): Set the
	current inferior's gdbarch.
	<gdbarch.c> (get_target_gdbarch): New function.
	* inferior.c: Include target-descriptions.h.
	(free_inferior): Free target description info.
	(add_inferior_with_spaces): Set the inferior's initial
	architecture.
	(clone_inferior_command): Copy the original inferior's target
	description if it was user specified.
	(initialize_inferiors): Add comment.
	* inferior.h (struct target_desc_info): Forward declare.
	(struct inferior) <gdbarch>: New field.
	* linux-nat.c: Include target-descriptions.h.
	(linux_child_follow_fork): Copy the parent's architecture and
	target description to the child.
	* target-descriptions.c: Include inferior.h.
	(struct target_desc_info): New structure, holding the equivalents
	of ...
	(target_desc_fetched, current_target_desc)
	(target_description_filename): ... these removed globals.
	(get_tdesc_info, target_desc_info_from_user_p)
	(copy_inferior_target_desc_info, target_desc_info_free): New.
	(target_desc_fetched, current_target_desc)
	(target_description_filename): Reimplemented as convenience
	macros.
	(tdesc_filename_cmd_string): New global.
	(set_tdesc_filename_cmd): Copy the string manipulated by the "set
	tdescs filename ..." commands to the per-inferior equivalent.
	(show_tdesc_filename_cmd): Get the value to show from the
	per-inferior description filename.
	(_initilize_target_descriptions): Change the "set/show tdesc
	filename" commands' variable.
	* target-descriptions.h (struct target_desc, struct target_desc_info)
	(struct inferior): Forward declare.
	(target_find_description, target_clear_description)
	(target_current_description): Adjust comments.
	(copy_inferior_target_desc_info, target_desc_info_free)
	(target_desc_info_from_user_p). Declare.

gdb/testsuite/
2012-11-09  Pedro Alves  <palves@redhat.com>

	* gdb.multi/multi-arch.exp: New.
This commit is contained in:
Pedro Alves 2012-11-09 01:47:20 +00:00
parent 090fa3d5eb
commit 6ecd47299a
11 changed files with 332 additions and 46 deletions
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11
gdb/gdbarch.c
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@ -457,7 +457,6 @@ struct gdbarch startup_gdbarch =
/* startup_gdbarch() */
};
struct gdbarch *target_gdbarch = &startup_gdbarch;
/* Create a new ``struct gdbarch'' based on information provided by
``struct gdbarch_info''. */
@ -4671,11 +4670,19 @@ deprecated_target_gdbarch_select_hack (struct gdbarch *new_gdbarch)
{
gdb_assert (new_gdbarch != NULL);
gdb_assert (new_gdbarch->initialized_p);
target_gdbarch = new_gdbarch;
current_inferior ()->gdbarch = new_gdbarch;
observer_notify_architecture_changed (new_gdbarch);
registers_changed ();
}
/* Helper for 'target_gdbarch'. */
struct gdbarch *
get_target_gdbarch (void)
{
return current_inferior ()->gdbarch;
}
extern void _initialize_gdbarch (void);
void