X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Ftarget-descriptions.h;h=3b191bc28e8736bf65f3b1f0b884af706c6e6e06;hb=51b8d20cf46627f9e97b90ada6467e69eb6d4439;hp=e6842d70c9b9dcbfb409416097d626fd01d3e709;hpb=ad068eabda988774e168b3f9b410306b40f5c191;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/target-descriptions.h b/gdb/target-descriptions.h index e6842d70c9..3b191bc28e 100644 --- a/gdb/target-descriptions.h +++ b/gdb/target-descriptions.h @@ -1,6 +1,6 @@ /* Target description support for GDB. - Copyright (C) 2006, 2007, 2008, 2009 Free Software Foundation, Inc. + Copyright (C) 2006-2014 Free Software Foundation, Inc. Contributed by CodeSourcery. @@ -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. @@ -98,6 +120,12 @@ int tdesc_numbered_register (const struct tdesc_feature *feature, struct tdesc_arch_data *data, int regno, const char *name); +/* Search FEATURE for a register named NAME, but do not assign a fixed + register number to it. */ + +int tdesc_unnumbered_register (const struct tdesc_feature *feature, + const char *name); + /* Search FEATURE for a register named NAME, and return its size in bits. The register must exist. */ @@ -123,6 +151,17 @@ int tdesc_numbered_register_choices (const struct tdesc_feature *feature, const struct bfd_arch_info *tdesc_architecture (const struct target_desc *); +/* Return the OSABI associated with this target description, or + GDB_OSABI_UNKNOWN if no osabi was specified. */ + +enum gdb_osabi tdesc_osabi (const struct target_desc *); + +/* Return non-zero if this target description is compatible + with the given BFD architecture. */ + +int tdesc_compatible_p (const struct target_desc *, + const struct bfd_arch_info *); + /* Return the string value of a property named KEY, or NULL if the property was not specified. */ @@ -154,6 +193,15 @@ struct tdesc_type *tdesc_named_type (const struct tdesc_feature *feature, const char *tdesc_register_name (struct gdbarch *gdbarch, int regno); +/* Return the type of register REGNO, from the target description or + from an architecture-provided pseudo_register_type method. */ + +struct type *tdesc_register_type (struct gdbarch *gdbarch, int regno); + +/* Return the type associated with ID, from the target description. */ + +struct type *tdesc_find_type (struct gdbarch *gdbarch, const char *id); + /* Check whether REGNUM is a member of REGGROUP using the target description. Return -1 if the target description does not specify a group. */ @@ -167,8 +215,11 @@ struct target_desc *allocate_target_description (void); struct cleanup *make_cleanup_free_target_description (struct target_desc *); void set_tdesc_architecture (struct target_desc *, const struct bfd_arch_info *); +void set_tdesc_osabi (struct target_desc *, enum gdb_osabi osabi); void set_tdesc_property (struct target_desc *, const char *key, const char *value); +void tdesc_add_compatible (struct target_desc *, + const struct bfd_arch_info *); struct tdesc_feature *tdesc_create_feature (struct target_desc *tdesc, const char *name); @@ -176,10 +227,20 @@ struct tdesc_type *tdesc_create_vector (struct tdesc_feature *feature, const char *name, struct tdesc_type *field_type, int count); +struct tdesc_type *tdesc_create_struct (struct tdesc_feature *feature, + const char *name); +void tdesc_set_struct_size (struct tdesc_type *type, LONGEST size); struct tdesc_type *tdesc_create_union (struct tdesc_feature *feature, const char *name); +struct tdesc_type *tdesc_create_flags (struct tdesc_feature *feature, + const char *name, + LONGEST size); void tdesc_add_field (struct tdesc_type *type, const char *field_name, struct tdesc_type *field_type); +void tdesc_add_bitfield (struct tdesc_type *type, const char *field_name, + int start, int end); +void tdesc_add_flag (struct tdesc_type *type, int start, + const char *flag_name); void tdesc_create_reg (struct tdesc_feature *feature, const char *name, int regnum, int save_restore, const char *group, int bitsize, const char *type);