2003-07-07 14:36:58 +00:00
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/* Per-frame user registers, for GDB, the GNU debugger.
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2007-01-09 17:59:20 +00:00
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Copyright (C) 2002, 2003, 2007 Free Software Foundation, Inc.
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2003-07-07 14:36:58 +00:00
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Contributed by Red Hat.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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2005-12-17 22:34:03 +00:00
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Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA. */
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2003-07-07 14:36:58 +00:00
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#ifndef USER_REGS_H
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#define USER_REGS_H
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/* Implement both builtin, and architecture specific, per-frame user
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visible registers.
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Builtin registers apply to all architectures, where as architecture
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specific registers are present when the architecture is selected.
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These registers are assigned register numbers outside the
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architecture's register range [0 .. NUM_REGS + NUM_PSEUDO_REGS).
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Their values should be constructed using per-frame information. */
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/* TODO: cagney/2003-06-27: Need to think more about how these
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registers are added, read, and modified. At present they are kind
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of assumed to be read-only. Should it, for instance, return a
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register descriptor that contains all the relvent access methods. */
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struct frame_info;
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2003-07-18 19:01:14 +00:00
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struct gdbarch;
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2003-07-07 14:36:58 +00:00
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/* Given an architecture, map a user visible register name onto its
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index. */
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extern int user_reg_map_name_to_regnum (struct gdbarch *gdbarch,
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const char *str, int len);
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extern const char *user_reg_map_regnum_to_name (struct gdbarch *gdbarch,
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int regnum);
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/* Return the value of the frame register in the specified frame.
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Note; These methods return a "struct value" instead of the raw
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bytes as, at the time the register is being added, the type needed
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to describe the register has not bee initialized. */
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* Makefile.in (arm-tdep.o, eval.o, target-descriptions.o)
(xml-tdesc.o): Update.
* xml-support.c: Add a comment.
(gdb_xml_enums_boolean): New variable.
(gdb_xml_parse_attr_enum): Use strcasecmp.
* xml-support.h (gdb_xml_enums_boolean): Declare.
* xml-tdesc.c (struct tdesc_parsing_data): Record current_feature,
next_regnum, and current_union.
(tdesc_start_feature, tdesc_start_reg, tdesc_start_union)
(tdesc_end_union, tdesc_start_field, tdesc_start_vector)
(field_attributes, union_children, reg_attributes, union_attributes)
(vector_attributes, feature_attributes, feature_children): New.
(target_children): Make static. Add <feature>.
(tdesc_elements): Make static.
* target-descriptions.c (struct tdesc_reg, tdesc_reg_p, type_p)
(struct tdesc_feature, tdesc_feature_p): New types.
(struct target_desc): Add features member.
(struct tdesc_arch_data, tdesc_data): New.
(target_find_description): Clarify error message. Warn about
ignored register descriptions.
(tdesc_has_registers, tdesc_find_feature, tdesc_feature_name)
(tdesc_named_type, tdesc_data_init, tdesc_data_alloc)
(tdesc_data_cleanup, tdesc_numbered_register)
(tdesc_numbered_register_choices, tdesc_find_register)
(tdesc_register_name, tdesc_register_type)
(tdesc_remote_register_number, tdesc_register_reggroup_p)
(set_tdesc_pseudo_register_name, set_tdesc_pseudo_register_type)
(set_tdesc_pseudo_register_reggroup_p, tdesc_use_registers)
(tdesc_free_reg, tdesc_create_reg, tdesc_free_feature)
(tdesc_create_feature, tdesc_record_type): New.
(free_target_description): Free features.
(_initialize_target_descriptions): Initialize tdesc_data.
* arch-utils.c (default_remote_register_number): New.
* arch-utils.h (default_remote_register_number): New prototype.
* target-descriptions.h (set_tdesc_pseudo_register_name)
(set_tdesc_pseudo_register_type, set_tdesc_pseudo_register_reggroup_p)
(tdesc_use_registers, tdesc_data_alloc, tdesc_data_cleanup)
(tdesc_numbered_register, tdesc_numbered_register_choices)
(tdesc_has_registers, tdesc_find_feature, tdesc_feature_name)
(tdesc_named_type, tdesc_create_feature, tdesc_record_type)
(tdesc_create_reg): Declare.
* gdbarch.sh (remote_register_number): New entry.
* gdbarch.c, gdbarch.h: Regenerate.
* remote.c (init_remote_state): Use gdbarch_remote_register_number.
* features/gdb-target.dtd: Add feature, reg, vector, union, and field.
* arm-tdep.c (arm_register_aliases): New.
(arm_register_name_strings): Rename to...
(arm_register_names): ...this. Make const. Delete the old version.
(current_option, arm_register_byte): Delete.
(set_disassembly_style): Simplify. Do not adjust arm_register_names.
(value_of_arm_user_reg): New.
(arm_gdbarch_init): Verify any described registers. Call
tdesc_use_registers. Don't use arm_register_byte. Create aliases
for standard register names.
(_initialize_arm_tdep): Do not adjust arm_register_names.
* user-regs.c (struct user_reg): Add baton member.
(append_user_reg, user_reg_add_builtin, user_regs_init)
(user_reg_add, value_of_user_reg): Use a baton for user
register functions.
* std-regs.c: Update.
* user-regs.h (user_reg_read_ftype, user_reg_add_builtin)
(user_reg_add): Add baton argument.
* NEWS: Mention target description register support.
* features/arm-core.xml, features/arm-fpa.xml: New.
* eval.c (evaluate_subexp_standard): Allow ptype $register
when the program is not running.
* gdb.texinfo (-target-disconnect): Use @smallexample.
(Requirements): Add anchor for Expat. Update description.
(Target Descriptions): Mention Expat.
(Target Description Format): Document new elements. Use
@smallexample.
(Predefined Target Types, Standard Target Features): New sections.
* doc/gdbint.texinfo (Target Descriptions): New section.
* gdb.xml/single-reg.xml, gdb.xml/tdesc-regs.exp,
gdb.xml/core-only.xml, gdb.xml/extra-regs.xml: New files.
2007-02-08 21:00:36 +00:00
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typedef struct value *(user_reg_read_ftype) (struct frame_info *frame,
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const void *baton);
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2003-07-07 14:36:58 +00:00
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extern struct value *value_of_user_reg (int regnum, struct frame_info *frame);
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/* Add a builtin register (present in all architectures). */
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extern void user_reg_add_builtin (const char *name,
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* Makefile.in (arm-tdep.o, eval.o, target-descriptions.o)
(xml-tdesc.o): Update.
* xml-support.c: Add a comment.
(gdb_xml_enums_boolean): New variable.
(gdb_xml_parse_attr_enum): Use strcasecmp.
* xml-support.h (gdb_xml_enums_boolean): Declare.
* xml-tdesc.c (struct tdesc_parsing_data): Record current_feature,
next_regnum, and current_union.
(tdesc_start_feature, tdesc_start_reg, tdesc_start_union)
(tdesc_end_union, tdesc_start_field, tdesc_start_vector)
(field_attributes, union_children, reg_attributes, union_attributes)
(vector_attributes, feature_attributes, feature_children): New.
(target_children): Make static. Add <feature>.
(tdesc_elements): Make static.
* target-descriptions.c (struct tdesc_reg, tdesc_reg_p, type_p)
(struct tdesc_feature, tdesc_feature_p): New types.
(struct target_desc): Add features member.
(struct tdesc_arch_data, tdesc_data): New.
(target_find_description): Clarify error message. Warn about
ignored register descriptions.
(tdesc_has_registers, tdesc_find_feature, tdesc_feature_name)
(tdesc_named_type, tdesc_data_init, tdesc_data_alloc)
(tdesc_data_cleanup, tdesc_numbered_register)
(tdesc_numbered_register_choices, tdesc_find_register)
(tdesc_register_name, tdesc_register_type)
(tdesc_remote_register_number, tdesc_register_reggroup_p)
(set_tdesc_pseudo_register_name, set_tdesc_pseudo_register_type)
(set_tdesc_pseudo_register_reggroup_p, tdesc_use_registers)
(tdesc_free_reg, tdesc_create_reg, tdesc_free_feature)
(tdesc_create_feature, tdesc_record_type): New.
(free_target_description): Free features.
(_initialize_target_descriptions): Initialize tdesc_data.
* arch-utils.c (default_remote_register_number): New.
* arch-utils.h (default_remote_register_number): New prototype.
* target-descriptions.h (set_tdesc_pseudo_register_name)
(set_tdesc_pseudo_register_type, set_tdesc_pseudo_register_reggroup_p)
(tdesc_use_registers, tdesc_data_alloc, tdesc_data_cleanup)
(tdesc_numbered_register, tdesc_numbered_register_choices)
(tdesc_has_registers, tdesc_find_feature, tdesc_feature_name)
(tdesc_named_type, tdesc_create_feature, tdesc_record_type)
(tdesc_create_reg): Declare.
* gdbarch.sh (remote_register_number): New entry.
* gdbarch.c, gdbarch.h: Regenerate.
* remote.c (init_remote_state): Use gdbarch_remote_register_number.
* features/gdb-target.dtd: Add feature, reg, vector, union, and field.
* arm-tdep.c (arm_register_aliases): New.
(arm_register_name_strings): Rename to...
(arm_register_names): ...this. Make const. Delete the old version.
(current_option, arm_register_byte): Delete.
(set_disassembly_style): Simplify. Do not adjust arm_register_names.
(value_of_arm_user_reg): New.
(arm_gdbarch_init): Verify any described registers. Call
tdesc_use_registers. Don't use arm_register_byte. Create aliases
for standard register names.
(_initialize_arm_tdep): Do not adjust arm_register_names.
* user-regs.c (struct user_reg): Add baton member.
(append_user_reg, user_reg_add_builtin, user_regs_init)
(user_reg_add, value_of_user_reg): Use a baton for user
register functions.
* std-regs.c: Update.
* user-regs.h (user_reg_read_ftype, user_reg_add_builtin)
(user_reg_add): Add baton argument.
* NEWS: Mention target description register support.
* features/arm-core.xml, features/arm-fpa.xml: New.
* eval.c (evaluate_subexp_standard): Allow ptype $register
when the program is not running.
* gdb.texinfo (-target-disconnect): Use @smallexample.
(Requirements): Add anchor for Expat. Update description.
(Target Descriptions): Mention Expat.
(Target Description Format): Document new elements. Use
@smallexample.
(Predefined Target Types, Standard Target Features): New sections.
* doc/gdbint.texinfo (Target Descriptions): New section.
* gdb.xml/single-reg.xml, gdb.xml/tdesc-regs.exp,
gdb.xml/core-only.xml, gdb.xml/extra-regs.xml: New files.
2007-02-08 21:00:36 +00:00
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user_reg_read_ftype *read, const void *baton);
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2003-07-07 14:36:58 +00:00
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/* Add a per-architecture frame register. */
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extern void user_reg_add (struct gdbarch *gdbarch, const char *name,
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* Makefile.in (arm-tdep.o, eval.o, target-descriptions.o)
(xml-tdesc.o): Update.
* xml-support.c: Add a comment.
(gdb_xml_enums_boolean): New variable.
(gdb_xml_parse_attr_enum): Use strcasecmp.
* xml-support.h (gdb_xml_enums_boolean): Declare.
* xml-tdesc.c (struct tdesc_parsing_data): Record current_feature,
next_regnum, and current_union.
(tdesc_start_feature, tdesc_start_reg, tdesc_start_union)
(tdesc_end_union, tdesc_start_field, tdesc_start_vector)
(field_attributes, union_children, reg_attributes, union_attributes)
(vector_attributes, feature_attributes, feature_children): New.
(target_children): Make static. Add <feature>.
(tdesc_elements): Make static.
* target-descriptions.c (struct tdesc_reg, tdesc_reg_p, type_p)
(struct tdesc_feature, tdesc_feature_p): New types.
(struct target_desc): Add features member.
(struct tdesc_arch_data, tdesc_data): New.
(target_find_description): Clarify error message. Warn about
ignored register descriptions.
(tdesc_has_registers, tdesc_find_feature, tdesc_feature_name)
(tdesc_named_type, tdesc_data_init, tdesc_data_alloc)
(tdesc_data_cleanup, tdesc_numbered_register)
(tdesc_numbered_register_choices, tdesc_find_register)
(tdesc_register_name, tdesc_register_type)
(tdesc_remote_register_number, tdesc_register_reggroup_p)
(set_tdesc_pseudo_register_name, set_tdesc_pseudo_register_type)
(set_tdesc_pseudo_register_reggroup_p, tdesc_use_registers)
(tdesc_free_reg, tdesc_create_reg, tdesc_free_feature)
(tdesc_create_feature, tdesc_record_type): New.
(free_target_description): Free features.
(_initialize_target_descriptions): Initialize tdesc_data.
* arch-utils.c (default_remote_register_number): New.
* arch-utils.h (default_remote_register_number): New prototype.
* target-descriptions.h (set_tdesc_pseudo_register_name)
(set_tdesc_pseudo_register_type, set_tdesc_pseudo_register_reggroup_p)
(tdesc_use_registers, tdesc_data_alloc, tdesc_data_cleanup)
(tdesc_numbered_register, tdesc_numbered_register_choices)
(tdesc_has_registers, tdesc_find_feature, tdesc_feature_name)
(tdesc_named_type, tdesc_create_feature, tdesc_record_type)
(tdesc_create_reg): Declare.
* gdbarch.sh (remote_register_number): New entry.
* gdbarch.c, gdbarch.h: Regenerate.
* remote.c (init_remote_state): Use gdbarch_remote_register_number.
* features/gdb-target.dtd: Add feature, reg, vector, union, and field.
* arm-tdep.c (arm_register_aliases): New.
(arm_register_name_strings): Rename to...
(arm_register_names): ...this. Make const. Delete the old version.
(current_option, arm_register_byte): Delete.
(set_disassembly_style): Simplify. Do not adjust arm_register_names.
(value_of_arm_user_reg): New.
(arm_gdbarch_init): Verify any described registers. Call
tdesc_use_registers. Don't use arm_register_byte. Create aliases
for standard register names.
(_initialize_arm_tdep): Do not adjust arm_register_names.
* user-regs.c (struct user_reg): Add baton member.
(append_user_reg, user_reg_add_builtin, user_regs_init)
(user_reg_add, value_of_user_reg): Use a baton for user
register functions.
* std-regs.c: Update.
* user-regs.h (user_reg_read_ftype, user_reg_add_builtin)
(user_reg_add): Add baton argument.
* NEWS: Mention target description register support.
* features/arm-core.xml, features/arm-fpa.xml: New.
* eval.c (evaluate_subexp_standard): Allow ptype $register
when the program is not running.
* gdb.texinfo (-target-disconnect): Use @smallexample.
(Requirements): Add anchor for Expat. Update description.
(Target Descriptions): Mention Expat.
(Target Description Format): Document new elements. Use
@smallexample.
(Predefined Target Types, Standard Target Features): New sections.
* doc/gdbint.texinfo (Target Descriptions): New section.
* gdb.xml/single-reg.xml, gdb.xml/tdesc-regs.exp,
gdb.xml/core-only.xml, gdb.xml/extra-regs.xml: New files.
2007-02-08 21:00:36 +00:00
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user_reg_read_ftype *read, const void *baton);
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2003-07-07 14:36:58 +00:00
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#endif
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