gdb/
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
parent
090fa3d5eb
commit
6ecd47299a
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@ -1,3 +1,48 @@
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2012-11-09 Pedro Alves <palves@redhat.com>
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* gdbarch.sh (target_gdbarch) <gdbarch.h>: Reimplement as macro.
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(get_target_gdbarch) <gdbarch.h>: New function.
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(startup_gdbarch) <gdbarch.h>: Declare.
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<gdbarch.c> (target_gdbarch): Delete.
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<gdbarch.c> (deprecated_target_gdbarch_select_hack): Set the
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current inferior's gdbarch.
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<gdbarch.c> (get_target_gdbarch): New function.
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* inferior.c: Include target-descriptions.h.
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(free_inferior): Free target description info.
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(add_inferior_with_spaces): Set the inferior's initial
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architecture.
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(clone_inferior_command): Copy the original inferior's target
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description if it was user specified.
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(initialize_inferiors): Add comment.
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* inferior.h (struct target_desc_info): Forward declare.
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(struct inferior) <gdbarch>: New field.
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* linux-nat.c: Include target-descriptions.h.
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(linux_child_follow_fork): Copy the parent's architecture and
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target description to the child.
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* target-descriptions.c: Include inferior.h.
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(struct target_desc_info): New structure, holding the equivalents
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of ...
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(target_desc_fetched, current_target_desc)
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(target_description_filename): ... these removed globals.
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(get_tdesc_info, target_desc_info_from_user_p)
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(copy_inferior_target_desc_info, target_desc_info_free): New.
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(target_desc_fetched, current_target_desc)
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(target_description_filename): Reimplemented as convenience
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macros.
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(tdesc_filename_cmd_string): New global.
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(set_tdesc_filename_cmd): Copy the string manipulated by the "set
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tdescs filename ..." commands to the per-inferior equivalent.
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(show_tdesc_filename_cmd): Get the value to show from the
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per-inferior description filename.
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(_initilize_target_descriptions): Change the "set/show tdesc
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filename" commands' variable.
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* target-descriptions.h (struct target_desc, struct target_desc_info)
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(struct inferior): Forward declare.
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(target_find_description, target_clear_description)
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(target_current_description): Adjust comments.
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(copy_inferior_target_desc_info, target_desc_info_free)
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(target_desc_info_from_user_p). Declare.
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2012-11-08 Stephane Carrez <Stephane.Carrez@gmail.com>
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* tui/tui-hooks.c (tui_about_to_proceed): New function.
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@ -457,7 +457,6 @@ struct gdbarch startup_gdbarch =
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/* startup_gdbarch() */
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};
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struct gdbarch *target_gdbarch = &startup_gdbarch;
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/* Create a new ``struct gdbarch'' based on information provided by
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``struct gdbarch_info''. */
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@ -4671,11 +4670,19 @@ deprecated_target_gdbarch_select_hack (struct gdbarch *new_gdbarch)
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{
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gdb_assert (new_gdbarch != NULL);
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gdb_assert (new_gdbarch->initialized_p);
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target_gdbarch = new_gdbarch;
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current_inferior ()->gdbarch = new_gdbarch;
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observer_notify_architecture_changed (new_gdbarch);
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registers_changed ();
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}
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/* Helper for 'target_gdbarch'. */
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struct gdbarch *
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get_target_gdbarch (void)
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{
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return current_inferior ()->gdbarch;
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}
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extern void _initialize_gdbarch (void);
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void
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@ -58,17 +58,26 @@ struct agent_expr;
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struct axs_value;
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struct stap_parse_info;
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/* The architecture associated with the connection to the target.
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The architecture vector provides some information that is really
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a property of the target: The layout of certain packets, for instance;
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or the solib_ops vector. Etc. To differentiate architecture accesses
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to per-target properties from per-thread/per-frame/per-objfile properties,
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accesses to per-target properties should be made through target_gdbarch.
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/* The architecture associated with the inferior through the
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connection to the target.
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The architecture vector provides some information that is really a
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property of the inferior, accessed through a particular target:
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ptrace operations; the layout of certain RSP packets; the solib_ops
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vector; etc. To differentiate architecture accesses to
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per-inferior/target properties from
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per-thread/per-frame/per-objfile properties, accesses to
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per-inferior/target properties should be made through this
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gdbarch. */
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/* This is a convenience wrapper for 'current_inferior ()->gdbarch'. */
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#define target_gdbarch get_target_gdbarch ()
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extern struct gdbarch *get_target_gdbarch (void);
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/* The initial, default architecture. It uses host values (for want of a better
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choice). */
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extern struct gdbarch startup_gdbarch;
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Eventually, when support for multiple targets is implemented in
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GDB, this global should be made target-specific. */
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extern struct gdbarch *target_gdbarch;
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/* Callback type for the 'iterate_over_objfiles_in_search_order'
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gdbarch method. */
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@ -1076,17 +1076,26 @@ struct agent_expr;
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struct axs_value;
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struct stap_parse_info;
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/* The architecture associated with the connection to the target.
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The architecture vector provides some information that is really
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a property of the target: The layout of certain packets, for instance;
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or the solib_ops vector. Etc. To differentiate architecture accesses
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to per-target properties from per-thread/per-frame/per-objfile properties,
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accesses to per-target properties should be made through target_gdbarch.
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/* The architecture associated with the inferior through the
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connection to the target.
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The architecture vector provides some information that is really a
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property of the inferior, accessed through a particular target:
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ptrace operations; the layout of certain RSP packets; the solib_ops
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vector; etc. To differentiate architecture accesses to
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per-inferior/target properties from
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per-thread/per-frame/per-objfile properties, accesses to
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per-inferior/target properties should be made through this
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gdbarch. */
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/* This is a convenience wrapper for 'current_inferior ()->gdbarch'. */
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#define target_gdbarch get_target_gdbarch ()
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extern struct gdbarch *get_target_gdbarch (void);
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/* The initial, default architecture. It uses host values (for want of a better
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choice). */
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extern struct gdbarch startup_gdbarch;
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Eventually, when support for multiple targets is implemented in
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GDB, this global should be made target-specific. */
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extern struct gdbarch *target_gdbarch;
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/* Callback type for the 'iterate_over_objfiles_in_search_order'
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gdbarch method. */
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@ -1559,7 +1568,6 @@ cat <<EOF
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/* startup_gdbarch() */
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};
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struct gdbarch *target_gdbarch = &startup_gdbarch;
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EOF
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# Create a new gdbarch struct
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@ -2278,11 +2286,19 @@ deprecated_target_gdbarch_select_hack (struct gdbarch *new_gdbarch)
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{
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gdb_assert (new_gdbarch != NULL);
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gdb_assert (new_gdbarch->initialized_p);
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target_gdbarch = new_gdbarch;
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current_inferior ()->gdbarch = new_gdbarch;
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observer_notify_architecture_changed (new_gdbarch);
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registers_changed ();
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}
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/* Helper for 'target_gdbarch'. */
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struct gdbarch *
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get_target_gdbarch (void)
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{
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return current_inferior ()->gdbarch;
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}
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extern void _initialize_gdbarch (void);
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void
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@ -33,6 +33,8 @@
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#include "environ.h"
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#include "cli/cli-utils.h"
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#include "continuations.h"
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#include "arch-utils.h"
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#include "target-descriptions.h"
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void _initialize_inferiors (void);
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@ -98,6 +100,7 @@ free_inferior (struct inferior *inf)
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xfree (inf->args);
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xfree (inf->terminal);
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free_environ (inf->environment);
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target_desc_info_free (inf->tdesc_info);
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xfree (inf->private);
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xfree (inf);
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}
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@ -794,6 +797,7 @@ add_inferior_with_spaces (void)
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struct address_space *aspace;
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struct program_space *pspace;
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struct inferior *inf;
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struct gdbarch_info info;
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/* If all inferiors share an address space on this system, this
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doesn't really return a new address space; otherwise, it
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@ -804,6 +808,14 @@ add_inferior_with_spaces (void)
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inf->pspace = pspace;
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inf->aspace = pspace->aspace;
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/* Setup the inferior's initial arch, based on information obtained
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from the global "set ..." options. */
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gdbarch_info_init (&info);
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inf->gdbarch = gdbarch_find_by_info (info);
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/* The "set ..." options reject invalid settings, so we should
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always have a valid arch by now. */
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gdb_assert (inf->gdbarch != NULL);
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return inf;
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}
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@ -942,6 +954,12 @@ clone_inferior_command (char *args, int from_tty)
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inf = add_inferior (0);
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inf->pspace = pspace;
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inf->aspace = pspace->aspace;
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inf->gdbarch = orginf->gdbarch;
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/* If the original inferior had a user specified target
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description, make the clone use it too. */
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if (target_desc_info_from_user_p (inf->tdesc_info))
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copy_inferior_target_desc_info (inf, orginf);
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printf_filtered (_("Added inferior %d.\n"), inf->num);
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@ -977,6 +995,8 @@ initialize_inferiors (void)
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current_inferior_ = add_inferior (0);
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current_inferior_->pspace = current_program_space;
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current_inferior_->aspace = current_program_space->aspace;
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/* The architecture will be initialized shortly, by
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initialize_current_architecture. */
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add_info ("inferiors", info_inferiors_command,
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_("IDs of specified inferiors (all inferiors if no argument)."));
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@ -30,6 +30,7 @@ struct gdbarch;
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struct regcache;
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struct ui_out;
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struct terminal_info;
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struct target_desc_info;
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#include "ptid.h"
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@ -513,6 +514,23 @@ struct inferior
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from enum symfile_add_flags. */
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int symfile_flags;
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/* Info about an inferior's target description (if it's fetched; the
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user supplied description's filename, if any; etc.). */
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struct target_desc_info *tdesc_info;
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/* The architecture associated with the inferior through the
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connection to the target.
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The architecture vector provides some information that is really
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a property of the inferior, accessed through a particular target:
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ptrace operations; the layout of certain RSP packets; the
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solib_ops vector; etc. To differentiate architecture accesses to
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per-inferior/target properties from
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per-thread/per-frame/per-objfile properties, accesses to
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per-inferior/target properties should be made through
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this gdbarch. */
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struct gdbarch *gdbarch;
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/* Per inferior data-pointers required by other GDB modules. */
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REGISTRY_FIELDS;
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};
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@ -66,6 +66,7 @@
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#include "exceptions.h"
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#include "linux-ptrace.h"
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#include "buffer.h"
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#include "target-descriptions.h"
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#ifndef SPUFS_MAGIC
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#define SPUFS_MAGIC 0x23c9b64e
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@ -723,6 +724,8 @@ holding the child stopped. Try \"set detach-on-fork\" or \
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parent_inf = current_inferior ();
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child_inf->attach_flag = parent_inf->attach_flag;
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copy_terminal_info (child_inf, parent_inf);
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child_inf->gdbarch = parent_inf->gdbarch;
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copy_inferior_target_desc_info (child_inf, parent_inf);
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old_chain = save_inferior_ptid ();
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save_current_program_space ();
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@ -887,6 +890,8 @@ holding the child stopped. Try \"set detach-on-fork\" or \
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parent_inf = current_inferior ();
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child_inf->attach_flag = parent_inf->attach_flag;
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copy_terminal_info (child_inf, parent_inf);
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child_inf->gdbarch = parent_inf->gdbarch;
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copy_inferior_target_desc_info (child_inf, parent_inf);
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parent_pspace = parent_inf->pspace;
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@ -34,6 +34,7 @@
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#include "gdb_assert.h"
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#include "gdb_obstack.h"
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#include "hashtab.h"
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#include "inferior.h"
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/* Types. */
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@ -231,34 +232,92 @@ struct tdesc_arch_data
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gdbarch_register_reggroup_p_ftype *pseudo_register_reggroup_p;
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};
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/* Global state. These variables are associated with the current
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target; if GDB adds support for multiple simultaneous targets, then
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these variables should become target-specific data. */
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/* Info about an inferior's target description. There's one of these
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for each inferior. */
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/* A flag indicating that a description has already been fetched from
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the current target, so it should not be queried again. */
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struct target_desc_info
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{
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/* A flag indicating that a description has already been fetched
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from the target, so it should not be queried again. */
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static int target_desc_fetched;
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int fetched;
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/* The description fetched from the current target, or NULL if the
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current target did not supply any description. Only valid when
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target_desc_fetched is set. Only the description initialization
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code should access this; normally, the description should be
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accessed through the gdbarch object. */
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/* The description fetched from the target, or NULL if the target
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did not supply any description. Only valid when
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target_desc_fetched is set. Only the description initialization
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code should access this; normally, the description should be
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accessed through the gdbarch object. */
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static const struct target_desc *current_target_desc;
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const struct target_desc *tdesc;
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/* Other global variables. */
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/* The filename to read a target description from, as set by "set
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tdesc filename ..." */
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/* The filename to read a target description from. */
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char *filename;
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};
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static char *target_description_filename;
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/* Get the inferior INF's target description info, allocating one on
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the stop if necessary. */
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static struct target_desc_info *
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get_tdesc_info (struct inferior *inf)
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{
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if (inf->tdesc_info == NULL)
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inf->tdesc_info = XCNEW (struct target_desc_info);
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return inf->tdesc_info;
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}
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/* A handle for architecture-specific data associated with the
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target description (see struct tdesc_arch_data). */
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static struct gdbarch_data *tdesc_data;
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/* See target-descriptions.h. */
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int
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target_desc_info_from_user_p (struct target_desc_info *info)
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{
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return info != NULL && info->filename != NULL;
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}
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/* See target-descriptions.h. */
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void
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copy_inferior_target_desc_info (struct inferior *destinf, struct inferior *srcinf)
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{
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struct target_desc_info *src = get_tdesc_info (srcinf);
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struct target_desc_info *dest = get_tdesc_info (destinf);
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dest->fetched = src->fetched;
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dest->tdesc = src->tdesc;
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dest->filename = src->filename != NULL ? xstrdup (src->filename) : NULL;
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}
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/* See target-descriptions.h. */
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void
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target_desc_info_free (struct target_desc_info *tdesc_info)
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{
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if (tdesc_info != NULL)
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{
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xfree (tdesc_info->filename);
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xfree (tdesc_info);
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}
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}
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/* Convenience helper macros. */
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#define target_desc_fetched \
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get_tdesc_info (current_inferior ())->fetched
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#define current_target_desc \
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get_tdesc_info (current_inferior ())->tdesc
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#define target_description_filename \
|
||||
get_tdesc_info (current_inferior ())->filename
|
||||
|
||||
/* The string manipulated by the "set tdesc filename ..." command. */
|
||||
|
||||
static char *tdesc_filename_cmd_string;
|
||||
|
||||
/* Fetch the current target's description, and switch the current
|
||||
architecture to one which incorporates that description. */
|
||||
|
||||
|
|
@ -1510,6 +1569,9 @@ static void
|
|||
set_tdesc_filename_cmd (char *args, int from_tty,
|
||||
struct cmd_list_element *c)
|
||||
{
|
||||
xfree (target_description_filename);
|
||||
target_description_filename = xstrdup (tdesc_filename_cmd_string);
|
||||
|
||||
target_clear_description ();
|
||||
target_find_description ();
|
||||
}
|
||||
|
|
@ -1519,6 +1581,8 @@ show_tdesc_filename_cmd (struct ui_file *file, int from_tty,
|
|||
struct cmd_list_element *c,
|
||||
const char *value)
|
||||
{
|
||||
value = target_description_filename;
|
||||
|
||||
if (value != NULL && *value != '\0')
|
||||
printf_filtered (_("The target description will be read from \"%s\".\n"),
|
||||
value);
|
||||
|
|
@ -1758,7 +1822,7 @@ Unset target description specific variables."),
|
|||
0 /* allow-unknown */, &unsetlist);
|
||||
|
||||
add_setshow_filename_cmd ("filename", class_obscure,
|
||||
&target_description_filename,
|
||||
&tdesc_filename_cmd_string,
|
||||
_("\
|
||||
Set the file to read for an XML target description"), _("\
|
||||
Show the file to read for an XML target description"), _("\
|
||||
|
|
|
|||
|
|
@ -28,23 +28,45 @@ struct tdesc_type;
|
|||
struct tdesc_reg;
|
||||
struct target_desc;
|
||||
struct target_ops;
|
||||
struct target_desc;
|
||||
/* An inferior's target description info is stored in this opaque
|
||||
object. There's one such object per inferior. */
|
||||
struct target_desc_info;
|
||||
struct inferior;
|
||||
|
||||
/* Fetch the current target's description, and switch the current
|
||||
/* Fetch the current inferior's description, and switch its current
|
||||
architecture to one which incorporates that description. */
|
||||
|
||||
void target_find_description (void);
|
||||
|
||||
/* Discard any description fetched from the current target, and switch
|
||||
the current architecture to one with no target description. */
|
||||
/* Discard any description fetched from the target for the current
|
||||
inferior, and switch the current architecture to one with no target
|
||||
description. */
|
||||
|
||||
void target_clear_description (void);
|
||||
|
||||
/* Return the global current target description. This should only be
|
||||
used by gdbarch initialization code; most access should be through
|
||||
an existing gdbarch. */
|
||||
/* Return the current inferior's target description. This should only
|
||||
be used by gdbarch initialization code; most access should be
|
||||
through an existing gdbarch. */
|
||||
|
||||
const struct target_desc *target_current_description (void);
|
||||
|
||||
/* Copy inferior target description data. Used for example when
|
||||
handling (v)forks, where child's description is the same as the
|
||||
parent's, since the child really is a copy of the parent. */
|
||||
|
||||
void copy_inferior_target_desc_info (struct inferior *destinf,
|
||||
struct inferior *srcinf);
|
||||
|
||||
/* Free a target_desc_info object. */
|
||||
|
||||
void target_desc_info_free (struct target_desc_info *tdesc_info);
|
||||
|
||||
/* Returns true if INFO indicates the target description had been
|
||||
supplied by the user. */
|
||||
|
||||
int target_desc_info_from_user_p (struct target_desc_info *info);
|
||||
|
||||
/* Record architecture-specific functions to call for pseudo-register
|
||||
support. If tdesc_use_registers is called and gdbarch_num_pseudo_regs
|
||||
is greater than zero, then these should be called as well.
|
||||
|
|
|
|||
|
|
@ -1,3 +1,7 @@
|
|||
2012-11-09 Pedro Alves <palves@redhat.com>
|
||||
|
||||
* gdb.multi/multi-arch.exp: New.
|
||||
|
||||
2012-11-08 Tom Tromey <tromey@redhat.com>
|
||||
|
||||
* gdb.base/siginfo-obj.exp: Create core file. Test siginfo from
|
||||
|
|
|
|||
|
|
@ -0,0 +1,76 @@
|
|||
# Copyright 2009-2012 Free Software Foundation, Inc.
|
||||
|
||||
# This program is free software; you can redistribute it and/or modify
|
||||
# it under the terms of the GNU General Public License as published by
|
||||
# the Free Software Foundation; either version 3 of the License, or
|
||||
# (at your option) any later version.
|
||||
#
|
||||
# This program is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
# Test multi-exec / multi-process features that work for all configurations,
|
||||
# even ones that cannot run multiple processes simultaneously.
|
||||
|
||||
set testfile "multi-arch"
|
||||
|
||||
# The plain remote target can't do multiple inferiors.
|
||||
if [target_info exists use_gdb_stub] {
|
||||
return
|
||||
}
|
||||
|
||||
# Can't use standard_testfile, we want executables with specialized
|
||||
# names.
|
||||
set exec1 "ma-hello"
|
||||
set srcfile1 hello.c
|
||||
set binfile1 [standard_output_file ${exec1}]
|
||||
|
||||
set exec2 "ma-hangout"
|
||||
set srcfile2 hangout.c
|
||||
set binfile2 [standard_output_file ${exec2}]
|
||||
|
||||
# Build two executables, one for each arch.
|
||||
|
||||
if [istarget "s390*-*-*"] {
|
||||
set march1 "-m64"
|
||||
set march2 "-m31"
|
||||
} else {
|
||||
set march1 "-m64"
|
||||
set march2 "-m32"
|
||||
}
|
||||
|
||||
if { [prepare_for_testing ${testfile}.exp ${exec1} "${srcfile1}" \
|
||||
[list debug nowarnings additional_flags=${march1}]] } {
|
||||
return -1
|
||||
}
|
||||
|
||||
if { [prepare_for_testing ${testfile}.exp ${exec2} "${srcfile2}" \
|
||||
[list debug nowarnings additional_flags=${march2}]] } {
|
||||
return -1
|
||||
}
|
||||
|
||||
# Start inferior 1
|
||||
|
||||
clean_restart ${exec1}
|
||||
if ![runto_main] then {
|
||||
fail "starting inferior 1"
|
||||
}
|
||||
|
||||
# Add and start inferior 2
|
||||
|
||||
gdb_test "add-inferior" "Added inferior 2.*" "add empty inferior 2"
|
||||
gdb_test "inferior 2" "Switching to inferior 2.*" "switch to inferior 2"
|
||||
gdb_load ${binfile2}
|
||||
|
||||
if ![runto_main] then {
|
||||
fail "starting inferior 2"
|
||||
}
|
||||
|
||||
# Check we do have two inferiors loaded.
|
||||
|
||||
gdb_test "info inferiors" \
|
||||
"Executable.*${exec2}.*${exec1}.*"
|
||||
Loading…
Reference in New Issue