X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fgdbtypes.c;h=2f77dca5beff852d8ae9d795ac11cddf3445b183;hb=79626f8a5fa0dbd735b2f510b938546cceb6ffae;hp=f98cf1c579f632e92712912ff195cd7fe2fdc69a;hpb=81f08b92d6f1fac7ffef42e5aa031cb8d70f1e06;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/gdbtypes.c b/gdb/gdbtypes.c index f98cf1c579..2f77dca5be 100644 --- a/gdb/gdbtypes.c +++ b/gdb/gdbtypes.c @@ -1,13 +1,15 @@ /* Support routines for manipulating internal types for GDB. - Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, 2002, 2003 - Free Software Foundation, Inc. + + Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, 2002, + 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc. + Contributed by Cygnus Support, using pieces from other GDB modules. This file is part of GDB. 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 2 of the License, or + 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, @@ -16,9 +18,7 @@ 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, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ + along with this program. If not, see . */ #include "defs.h" #include "gdb_string.h" @@ -37,142 +37,171 @@ #include "wrapper.h" #include "cp-abi.h" #include "gdb_assert.h" +#include "hashtab.h" + + +/* Floatformat pairs. */ +const struct floatformat *floatformats_ieee_single[BFD_ENDIAN_UNKNOWN] = { + &floatformat_ieee_single_big, + &floatformat_ieee_single_little +}; +const struct floatformat *floatformats_ieee_double[BFD_ENDIAN_UNKNOWN] = { + &floatformat_ieee_double_big, + &floatformat_ieee_double_little +}; +const struct floatformat *floatformats_ieee_double_littlebyte_bigword[BFD_ENDIAN_UNKNOWN] = { + &floatformat_ieee_double_big, + &floatformat_ieee_double_littlebyte_bigword +}; +const struct floatformat *floatformats_i387_ext[BFD_ENDIAN_UNKNOWN] = { + &floatformat_i387_ext, + &floatformat_i387_ext +}; +const struct floatformat *floatformats_m68881_ext[BFD_ENDIAN_UNKNOWN] = { + &floatformat_m68881_ext, + &floatformat_m68881_ext +}; +const struct floatformat *floatformats_arm_ext[BFD_ENDIAN_UNKNOWN] = { + &floatformat_arm_ext_big, + &floatformat_arm_ext_littlebyte_bigword +}; +const struct floatformat *floatformats_ia64_spill[BFD_ENDIAN_UNKNOWN] = { + &floatformat_ia64_spill_big, + &floatformat_ia64_spill_little +}; +const struct floatformat *floatformats_ia64_quad[BFD_ENDIAN_UNKNOWN] = { + &floatformat_ia64_quad_big, + &floatformat_ia64_quad_little +}; +const struct floatformat *floatformats_vax_f[BFD_ENDIAN_UNKNOWN] = { + &floatformat_vax_f, + &floatformat_vax_f +}; +const struct floatformat *floatformats_vax_d[BFD_ENDIAN_UNKNOWN] = { + &floatformat_vax_d, + &floatformat_vax_d +}; +const struct floatformat *floatformats_ibm_long_double[BFD_ENDIAN_UNKNOWN] = { + &floatformat_ibm_long_double, + &floatformat_ibm_long_double +}; -/* These variables point to the objects - representing the predefined C data types. */ - -struct type *builtin_type_void; -struct type *builtin_type_char; -struct type *builtin_type_true_char; -struct type *builtin_type_short; -struct type *builtin_type_int; -struct type *builtin_type_long; -struct type *builtin_type_long_long; -struct type *builtin_type_signed_char; -struct type *builtin_type_unsigned_char; -struct type *builtin_type_unsigned_short; -struct type *builtin_type_unsigned_int; -struct type *builtin_type_unsigned_long; -struct type *builtin_type_unsigned_long_long; -struct type *builtin_type_float; -struct type *builtin_type_double; -struct type *builtin_type_long_double; -struct type *builtin_type_complex; -struct type *builtin_type_double_complex; -struct type *builtin_type_string; -struct type *builtin_type_int0; -struct type *builtin_type_int8; -struct type *builtin_type_uint8; -struct type *builtin_type_int16; -struct type *builtin_type_uint16; -struct type *builtin_type_int32; -struct type *builtin_type_uint32; -struct type *builtin_type_int64; -struct type *builtin_type_uint64; -struct type *builtin_type_int128; -struct type *builtin_type_uint128; -struct type *builtin_type_bool; - -/* 128 bit long vector types */ -struct type *builtin_type_v2_double; -struct type *builtin_type_v4_float; -struct type *builtin_type_v2_int64; -struct type *builtin_type_v4_int32; -struct type *builtin_type_v8_int16; -struct type *builtin_type_v16_int8; -/* 64 bit long vector types */ -struct type *builtin_type_v2_float; -struct type *builtin_type_v2_int32; -struct type *builtin_type_v4_int16; -struct type *builtin_type_v8_int8; - -struct type *builtin_type_v4sf; -struct type *builtin_type_v4si; -struct type *builtin_type_v16qi; -struct type *builtin_type_v8qi; -struct type *builtin_type_v8hi; -struct type *builtin_type_v4hi; -struct type *builtin_type_v2si; -struct type *builtin_type_vec64; -struct type *builtin_type_vec64i; -struct type *builtin_type_vec128; -struct type *builtin_type_vec128i; -struct type *builtin_type_ieee_single_big; -struct type *builtin_type_ieee_single_little; -struct type *builtin_type_ieee_double_big; -struct type *builtin_type_ieee_double_little; -struct type *builtin_type_ieee_double_littlebyte_bigword; -struct type *builtin_type_i387_ext; -struct type *builtin_type_m68881_ext; -struct type *builtin_type_i960_ext; -struct type *builtin_type_m88110_ext; -struct type *builtin_type_m88110_harris_ext; -struct type *builtin_type_arm_ext_big; -struct type *builtin_type_arm_ext_littlebyte_bigword; -struct type *builtin_type_ia64_spill_big; -struct type *builtin_type_ia64_spill_little; -struct type *builtin_type_ia64_quad_big; -struct type *builtin_type_ia64_quad_little; -struct type *builtin_type_void_data_ptr; -struct type *builtin_type_void_func_ptr; -struct type *builtin_type_CORE_ADDR; -struct type *builtin_type_bfd_vma; int opaque_type_resolution = 1; +static void +show_opaque_type_resolution (struct ui_file *file, int from_tty, + struct cmd_list_element *c, + const char *value) +{ + fprintf_filtered (file, _("\ +Resolution of opaque struct/class/union types (if set before loading symbols) is %s.\n"), + value); +} + int overload_debug = 0; +static void +show_overload_debug (struct ui_file *file, int from_tty, + struct cmd_list_element *c, const char *value) +{ + fprintf_filtered (file, _("Debugging of C++ overloading is %s.\n"), + value); +} struct extra { char str[128]; int len; - }; /* maximum extension is 128! FIXME */ + }; /* Maximum extension is 128! FIXME */ static void print_bit_vector (B_TYPE *, int); static void print_arg_types (struct field *, int, int); static void dump_fn_fieldlists (struct type *, int); static void print_cplus_stuff (struct type *, int); -static void virtual_base_list_aux (struct type *dclass); -/* Alloc a new type structure and fill it with some defaults. If - OBJFILE is non-NULL, then allocate the space for the type structure - in that objfile's type_obstack. Otherwise allocate the new type structure - by xmalloc () (for permanent types). */ +/* Allocate a new OBJFILE-associated type structure and fill it + with some defaults. Space for the type structure is allocated + on the objfile's objfile_obstack. */ struct type * alloc_type (struct objfile *objfile) { struct type *type; - /* Alloc the structure and start off with all fields zeroed. */ + gdb_assert (objfile != NULL); - if (objfile == NULL) - { - type = xmalloc (sizeof (struct type)); - memset (type, 0, sizeof (struct type)); - TYPE_MAIN_TYPE (type) = xmalloc (sizeof (struct main_type)); - } - else - { - type = obstack_alloc (&objfile->type_obstack, - sizeof (struct type)); - memset (type, 0, sizeof (struct type)); - TYPE_MAIN_TYPE (type) = obstack_alloc (&objfile->type_obstack, - sizeof (struct main_type)); - OBJSTAT (objfile, n_types++); - } - memset (TYPE_MAIN_TYPE (type), 0, sizeof (struct main_type)); + /* Alloc the structure and start off with all fields zeroed. */ + type = OBSTACK_ZALLOC (&objfile->objfile_obstack, struct type); + TYPE_MAIN_TYPE (type) = OBSTACK_ZALLOC (&objfile->objfile_obstack, + struct main_type); + OBJSTAT (objfile, n_types++); + + TYPE_OBJFILE_OWNED (type) = 1; + TYPE_OWNER (type).objfile = objfile; + + /* Initialize the fields that might not be zero. */ + + TYPE_CODE (type) = TYPE_CODE_UNDEF; + TYPE_VPTR_FIELDNO (type) = -1; + TYPE_CHAIN (type) = type; /* Chain back to itself. */ + + return type; +} + +/* Allocate a new GDBARCH-associated type structure and fill it + with some defaults. Space for the type structure is allocated + on the heap. */ + +struct type * +alloc_type_arch (struct gdbarch *gdbarch) +{ + struct type *type; + + gdb_assert (gdbarch != NULL); + + /* Alloc the structure and start off with all fields zeroed. */ + + type = XZALLOC (struct type); + TYPE_MAIN_TYPE (type) = XZALLOC (struct main_type); - /* Initialize the fields that might not be zero. */ + TYPE_OBJFILE_OWNED (type) = 0; + TYPE_OWNER (type).gdbarch = gdbarch; + + /* Initialize the fields that might not be zero. */ TYPE_CODE (type) = TYPE_CODE_UNDEF; - TYPE_OBJFILE (type) = objfile; TYPE_VPTR_FIELDNO (type) = -1; TYPE_CHAIN (type) = type; /* Chain back to itself. */ - return (type); + return type; +} + +/* If TYPE is objfile-associated, allocate a new type structure + associated with the same objfile. If TYPE is gdbarch-associated, + allocate a new type structure associated with the same gdbarch. */ + +struct type * +alloc_type_copy (const struct type *type) +{ + if (TYPE_OBJFILE_OWNED (type)) + return alloc_type (TYPE_OWNER (type).objfile); + else + return alloc_type_arch (TYPE_OWNER (type).gdbarch); +} + +/* If TYPE is gdbarch-associated, return that architecture. + If TYPE is objfile-associated, return that objfile's architecture. */ + +struct gdbarch * +get_type_arch (const struct type *type) +{ + if (TYPE_OBJFILE_OWNED (type)) + return get_objfile_arch (TYPE_OWNER (type).objfile); + else + return TYPE_OWNER (type).gdbarch; } + /* Alloc a new type instance structure, fill it with some defaults, and point it at OLDTYPE. Allocate the new type instance from the same place as OLDTYPE. */ @@ -184,31 +213,33 @@ alloc_type_instance (struct type *oldtype) /* Allocate the structure. */ - if (TYPE_OBJFILE (oldtype) == NULL) - { - type = xmalloc (sizeof (struct type)); - memset (type, 0, sizeof (struct type)); - } + if (! TYPE_OBJFILE_OWNED (oldtype)) + type = XZALLOC (struct type); else - { - type = obstack_alloc (&TYPE_OBJFILE (oldtype)->type_obstack, - sizeof (struct type)); - memset (type, 0, sizeof (struct type)); - } + type = OBSTACK_ZALLOC (&TYPE_OBJFILE (oldtype)->objfile_obstack, + struct type); + TYPE_MAIN_TYPE (type) = TYPE_MAIN_TYPE (oldtype); TYPE_CHAIN (type) = type; /* Chain back to itself for now. */ - return (type); + return type; } /* Clear all remnants of the previous type at TYPE, in preparation for - replacing it with something else. */ + replacing it with something else. Preserve owner information. */ static void smash_type (struct type *type) { + int objfile_owned = TYPE_OBJFILE_OWNED (type); + union type_owner owner = TYPE_OWNER (type); + memset (TYPE_MAIN_TYPE (type), 0, sizeof (struct main_type)); + /* Restore owner information. */ + TYPE_OBJFILE_OWNED (type) = objfile_owned; + TYPE_OWNER (type) = owner; + /* For now, delete the rings. */ TYPE_CHAIN (type) = type; @@ -224,52 +255,62 @@ struct type * make_pointer_type (struct type *type, struct type **typeptr) { struct type *ntype; /* New type */ - struct objfile *objfile; + struct type *chain; ntype = TYPE_POINTER_TYPE (type); if (ntype) { if (typeptr == 0) - return ntype; /* Don't care about alloc, and have new type. */ + return ntype; /* Don't care about alloc, + and have new type. */ else if (*typeptr == 0) { - *typeptr = ntype; /* Tracking alloc, and we have new type. */ + *typeptr = ntype; /* Tracking alloc, and have new type. */ return ntype; } } if (typeptr == 0 || *typeptr == 0) /* We'll need to allocate one. */ { - ntype = alloc_type (TYPE_OBJFILE (type)); + ntype = alloc_type_copy (type); if (typeptr) *typeptr = ntype; } - else - /* We have storage, but need to reset it. */ + else /* We have storage, but need to reset it. */ { ntype = *typeptr; - objfile = TYPE_OBJFILE (ntype); + chain = TYPE_CHAIN (ntype); smash_type (ntype); - TYPE_OBJFILE (ntype) = objfile; + TYPE_CHAIN (ntype) = chain; } TYPE_TARGET_TYPE (ntype) = type; TYPE_POINTER_TYPE (type) = ntype; - /* FIXME! Assume the machine has only one representation for pointers! */ + /* FIXME! Assume the machine has only one representation for + pointers! */ - TYPE_LENGTH (ntype) = TARGET_PTR_BIT / TARGET_CHAR_BIT; + TYPE_LENGTH (ntype) + = gdbarch_ptr_bit (get_type_arch (type)) / TARGET_CHAR_BIT; TYPE_CODE (ntype) = TYPE_CODE_PTR; /* Mark pointers as unsigned. The target converts between pointers - and addresses (CORE_ADDRs) using POINTER_TO_ADDRESS() and - ADDRESS_TO_POINTER(). */ - TYPE_FLAGS (ntype) |= TYPE_FLAG_UNSIGNED; + and addresses (CORE_ADDRs) using gdbarch_pointer_to_address and + gdbarch_address_to_pointer. */ + TYPE_UNSIGNED (ntype) = 1; if (!TYPE_POINTER_TYPE (type)) /* Remember it, if don't have one. */ TYPE_POINTER_TYPE (type) = ntype; + /* Update the length of all the other variants of this type. */ + chain = TYPE_CHAIN (ntype); + while (chain != ntype) + { + TYPE_LENGTH (chain) = TYPE_LENGTH (ntype); + chain = TYPE_CHAIN (chain); + } + return ntype; } @@ -282,61 +323,72 @@ lookup_pointer_type (struct type *type) return make_pointer_type (type, (struct type **) 0); } -/* Lookup a C++ `reference' to a type TYPE. TYPEPTR, if nonzero, points - to a pointer to memory where the reference type should be stored. - If *TYPEPTR is zero, update it to point to the reference type we return. - We allocate new memory if needed. */ +/* Lookup a C++ `reference' to a type TYPE. TYPEPTR, if nonzero, + points to a pointer to memory where the reference type should be + stored. If *TYPEPTR is zero, update it to point to the reference + type we return. We allocate new memory if needed. */ struct type * make_reference_type (struct type *type, struct type **typeptr) { struct type *ntype; /* New type */ - struct objfile *objfile; + struct type *chain; ntype = TYPE_REFERENCE_TYPE (type); if (ntype) { if (typeptr == 0) - return ntype; /* Don't care about alloc, and have new type. */ + return ntype; /* Don't care about alloc, + and have new type. */ else if (*typeptr == 0) { - *typeptr = ntype; /* Tracking alloc, and we have new type. */ + *typeptr = ntype; /* Tracking alloc, and have new type. */ return ntype; } } if (typeptr == 0 || *typeptr == 0) /* We'll need to allocate one. */ { - ntype = alloc_type (TYPE_OBJFILE (type)); + ntype = alloc_type_copy (type); if (typeptr) *typeptr = ntype; } - else - /* We have storage, but need to reset it. */ + else /* We have storage, but need to reset it. */ { ntype = *typeptr; - objfile = TYPE_OBJFILE (ntype); + chain = TYPE_CHAIN (ntype); smash_type (ntype); - TYPE_OBJFILE (ntype) = objfile; + TYPE_CHAIN (ntype) = chain; } TYPE_TARGET_TYPE (ntype) = type; TYPE_REFERENCE_TYPE (type) = ntype; - /* FIXME! Assume the machine has only one representation for references, - and that it matches the (only) representation for pointers! */ + /* FIXME! Assume the machine has only one representation for + references, and that it matches the (only) representation for + pointers! */ - TYPE_LENGTH (ntype) = TARGET_PTR_BIT / TARGET_CHAR_BIT; + TYPE_LENGTH (ntype) = + gdbarch_ptr_bit (get_type_arch (type)) / TARGET_CHAR_BIT; TYPE_CODE (ntype) = TYPE_CODE_REF; if (!TYPE_REFERENCE_TYPE (type)) /* Remember it, if don't have one. */ TYPE_REFERENCE_TYPE (type) = ntype; + /* Update the length of all the other variants of this type. */ + chain = TYPE_CHAIN (ntype); + while (chain != ntype) + { + TYPE_LENGTH (chain) = TYPE_LENGTH (ntype); + chain = TYPE_CHAIN (chain); + } + return ntype; } -/* Same as above, but caller doesn't care about memory allocation details. */ +/* Same as above, but caller doesn't care about memory allocation + details. */ struct type * lookup_reference_type (struct type *type) @@ -344,30 +396,26 @@ lookup_reference_type (struct type *type) return make_reference_type (type, (struct type **) 0); } -/* Lookup a function type that returns type TYPE. TYPEPTR, if nonzero, points - to a pointer to memory where the function type should be stored. - If *TYPEPTR is zero, update it to point to the function type we return. - We allocate new memory if needed. */ +/* Lookup a function type that returns type TYPE. TYPEPTR, if + nonzero, points to a pointer to memory where the function type + should be stored. If *TYPEPTR is zero, update it to point to the + function type we return. We allocate new memory if needed. */ struct type * make_function_type (struct type *type, struct type **typeptr) { struct type *ntype; /* New type */ - struct objfile *objfile; if (typeptr == 0 || *typeptr == 0) /* We'll need to allocate one. */ { - ntype = alloc_type (TYPE_OBJFILE (type)); + ntype = alloc_type_copy (type); if (typeptr) *typeptr = ntype; } - else - /* We have storage, but need to reset it. */ + else /* We have storage, but need to reset it. */ { ntype = *typeptr; - objfile = TYPE_OBJFILE (ntype); smash_type (ntype); - TYPE_OBJFILE (ntype) = objfile; } TYPE_TARGET_TYPE (ntype) = type; @@ -391,36 +439,34 @@ lookup_function_type (struct type *type) /* Identify address space identifier by name -- return the integer flag defined in gdbtypes.h. */ extern int -address_space_name_to_int (char *space_identifier) +address_space_name_to_int (struct gdbarch *gdbarch, char *space_identifier) { - struct gdbarch *gdbarch = current_gdbarch; int type_flags; - /* Check for known address space delimiters. */ + /* Check for known address space delimiters. */ if (!strcmp (space_identifier, "code")) - return TYPE_FLAG_CODE_SPACE; + return TYPE_INSTANCE_FLAG_CODE_SPACE; else if (!strcmp (space_identifier, "data")) - return TYPE_FLAG_DATA_SPACE; + return TYPE_INSTANCE_FLAG_DATA_SPACE; else if (gdbarch_address_class_name_to_type_flags_p (gdbarch) && gdbarch_address_class_name_to_type_flags (gdbarch, space_identifier, &type_flags)) return type_flags; else - error ("Unknown address space specifier: \"%s\"", space_identifier); + error (_("Unknown address space specifier: \"%s\""), space_identifier); } /* Identify address space identifier by integer flag as defined in - gdbtypes.h -- return the string version of the adress space name. */ + gdbtypes.h -- return the string version of the adress space name. */ const char * -address_space_int_to_name (int space_flag) +address_space_int_to_name (struct gdbarch *gdbarch, int space_flag) { - struct gdbarch *gdbarch = current_gdbarch; - if (space_flag & TYPE_FLAG_CODE_SPACE) + if (space_flag & TYPE_INSTANCE_FLAG_CODE_SPACE) return "code"; - else if (space_flag & TYPE_FLAG_DATA_SPACE) + else if (space_flag & TYPE_INSTANCE_FLAG_DATA_SPACE) return "data"; - else if ((space_flag & TYPE_FLAG_ADDRESS_CLASS_ALL) + else if ((space_flag & TYPE_INSTANCE_FLAG_ADDRESS_CLASS_ALL) && gdbarch_address_class_type_flags_to_name_p (gdbarch)) return gdbarch_address_class_type_flags_to_name (gdbarch, space_flag); else @@ -428,7 +474,9 @@ address_space_int_to_name (int space_flag) } /* Create a new type with instance flags NEW_FLAGS, based on TYPE. - If STORAGE is non-NULL, create the new type instance there. */ + + If STORAGE is non-NULL, create the new type instance there. + STORAGE must be in the same obstack as TYPE. */ static struct type * make_qualified_type (struct type *type, int new_flags, @@ -437,17 +485,25 @@ make_qualified_type (struct type *type, int new_flags, struct type *ntype; ntype = type; - do { - if (TYPE_INSTANCE_FLAGS (ntype) == new_flags) - return ntype; - ntype = TYPE_CHAIN (ntype); - } while (ntype != type); + do + { + if (TYPE_INSTANCE_FLAGS (ntype) == new_flags) + return ntype; + ntype = TYPE_CHAIN (ntype); + } + while (ntype != type); /* Create a new type instance. */ if (storage == NULL) ntype = alloc_type_instance (type); else { + /* If STORAGE was provided, it had better be in the same objfile + as TYPE. Otherwise, we can't link it into TYPE's cv chain: + if one objfile is freed and the other kept, we'd have + dangling pointers. */ + gdb_assert (TYPE_OBJFILE (type) == TYPE_OBJFILE (storage)); + ntype = storage; TYPE_MAIN_TYPE (ntype) = TYPE_MAIN_TYPE (type); TYPE_CHAIN (ntype) = ntype; @@ -475,17 +531,19 @@ make_qualified_type (struct type *type, int new_flags, is identical to the one supplied except that it has an address space attribute attached to it (such as "code" or "data"). - The space attributes "code" and "data" are for Harvard architectures. - The address space attributes are for architectures which have - alternately sized pointers or pointers with alternate representations. */ + The space attributes "code" and "data" are for Harvard + architectures. The address space attributes are for architectures + which have alternately sized pointers or pointers with alternate + representations. */ struct type * make_type_with_address_space (struct type *type, int space_flag) { struct type *ntype; int new_flags = ((TYPE_INSTANCE_FLAGS (type) - & ~(TYPE_FLAG_CODE_SPACE | TYPE_FLAG_DATA_SPACE - | TYPE_FLAG_ADDRESS_CLASS_ALL)) + & ~(TYPE_INSTANCE_FLAG_CODE_SPACE + | TYPE_INSTANCE_FLAG_DATA_SPACE + | TYPE_INSTANCE_FLAG_ADDRESS_CLASS_ALL)) | space_flag); return make_qualified_type (type, new_flags, NULL); @@ -496,46 +554,49 @@ make_type_with_address_space (struct type *type, int space_flag) CNST is a flag for setting the const attribute VOLTL is a flag for setting the volatile attribute TYPE is the base type whose variant we are creating. - TYPEPTR, if nonzero, points - to a pointer to memory where the reference type should be stored. - If *TYPEPTR is zero, update it to point to the reference type we return. - We allocate new memory if needed. */ + If TYPEPTR and *TYPEPTR are non-zero, then *TYPEPTR points to + storage to hold the new qualified type; *TYPEPTR and TYPE must be + in the same objfile. Otherwise, allocate fresh memory for the new + type whereever TYPE lives. If TYPEPTR is non-zero, set it to the + new type we construct. */ struct type * -make_cv_type (int cnst, int voltl, struct type *type, struct type **typeptr) +make_cv_type (int cnst, int voltl, + struct type *type, + struct type **typeptr) { struct type *ntype; /* New type */ struct type *tmp_type = type; /* tmp type */ struct objfile *objfile; int new_flags = (TYPE_INSTANCE_FLAGS (type) - & ~(TYPE_FLAG_CONST | TYPE_FLAG_VOLATILE)); + & ~(TYPE_INSTANCE_FLAG_CONST | TYPE_INSTANCE_FLAG_VOLATILE)); if (cnst) - new_flags |= TYPE_FLAG_CONST; + new_flags |= TYPE_INSTANCE_FLAG_CONST; if (voltl) - new_flags |= TYPE_FLAG_VOLATILE; + new_flags |= TYPE_INSTANCE_FLAG_VOLATILE; if (typeptr && *typeptr != NULL) { - /* Objfile is per-core-type. This const-qualified type had best - belong to the same objfile as the type it is qualifying, unless - we are overwriting a stub type, in which case the safest thing - to do is to copy the core type into the new objfile. */ + /* TYPE and *TYPEPTR must be in the same objfile. We can't have + a C-V variant chain that threads across objfiles: if one + objfile gets freed, then the other has a broken C-V chain. - gdb_assert (TYPE_OBJFILE (*typeptr) == TYPE_OBJFILE (type) - || TYPE_STUB (*typeptr)); - if (TYPE_OBJFILE (*typeptr) != TYPE_OBJFILE (type)) - { - TYPE_MAIN_TYPE (*typeptr) - = TYPE_ALLOC (*typeptr, sizeof (struct main_type)); - *TYPE_MAIN_TYPE (*typeptr) - = *TYPE_MAIN_TYPE (type); - } + This code used to try to copy over the main type from TYPE to + *TYPEPTR if they were in different objfiles, but that's + wrong, too: TYPE may have a field list or member function + lists, which refer to types of their own, etc. etc. The + whole shebang would need to be copied over recursively; you + can't have inter-objfile pointers. The only thing to do is + to leave stub types as stub types, and look them up afresh by + name each time you encounter them. */ + gdb_assert (TYPE_OBJFILE (*typeptr) == TYPE_OBJFILE (type)); } - ntype = make_qualified_type (type, new_flags, typeptr ? *typeptr : NULL); + ntype = make_qualified_type (type, new_flags, + typeptr ? *typeptr : NULL); if (typeptr != NULL) *typeptr = ntype; @@ -557,23 +618,31 @@ replace_type (struct type *ntype, struct type *type) { struct type *chain; + /* These two types had better be in the same objfile. Otherwise, + the assignment of one type's main type structure to the other + will produce a type with references to objects (names; field + lists; etc.) allocated on an objfile other than its own. */ + gdb_assert (TYPE_OBJFILE (ntype) == TYPE_OBJFILE (ntype)); + *TYPE_MAIN_TYPE (ntype) = *TYPE_MAIN_TYPE (type); - /* The type length is not a part of the main type. Update it for each - type on the variant chain. */ + /* The type length is not a part of the main type. Update it for + each type on the variant chain. */ chain = ntype; - do { - /* Assert that this element of the chain has no address-class bits - set in its flags. Such type variants might have type lengths - which are supposed to be different from the non-address-class - variants. This assertion shouldn't ever be triggered because - symbol readers which do construct address-class variants don't - call replace_type(). */ - gdb_assert (TYPE_ADDRESS_CLASS_ALL (chain) == 0); - - TYPE_LENGTH (ntype) = TYPE_LENGTH (type); - chain = TYPE_CHAIN (chain); - } while (ntype != chain); + do + { + /* Assert that this element of the chain has no address-class bits + set in its flags. Such type variants might have type lengths + which are supposed to be different from the non-address-class + variants. This assertion shouldn't ever be triggered because + symbol readers which do construct address-class variants don't + call replace_type(). */ + gdb_assert (TYPE_ADDRESS_CLASS_ALL (chain) == 0); + + TYPE_LENGTH (chain) = TYPE_LENGTH (type); + chain = TYPE_CHAIN (chain); + } + while (ntype != chain); /* Assert that the two types have equivalent instance qualifiers. This should be true for at least all of our debug readers. */ @@ -586,74 +655,88 @@ replace_type (struct type *ntype, struct type *type) of the aggregate that the member belongs to. */ struct type * -lookup_member_type (struct type *type, struct type *domain) +lookup_memberptr_type (struct type *type, struct type *domain) +{ + struct type *mtype; + + mtype = alloc_type_copy (type); + smash_to_memberptr_type (mtype, domain, type); + return mtype; +} + +/* Return a pointer-to-method type, for a method of type TO_TYPE. */ + +struct type * +lookup_methodptr_type (struct type *to_type) { struct type *mtype; - mtype = alloc_type (TYPE_OBJFILE (type)); - smash_to_member_type (mtype, domain, type); - return (mtype); + mtype = alloc_type_copy (to_type); + TYPE_TARGET_TYPE (mtype) = to_type; + TYPE_DOMAIN_TYPE (mtype) = TYPE_DOMAIN_TYPE (to_type); + TYPE_LENGTH (mtype) = cplus_method_ptr_size (to_type); + TYPE_CODE (mtype) = TYPE_CODE_METHODPTR; + return mtype; } -/* Allocate a stub method whose return type is TYPE. - This apparently happens for speed of symbol reading, since parsing - out the arguments to the method is cpu-intensive, the way we are doing - it. So, we will fill in arguments later. - This always returns a fresh type. */ +/* Allocate a stub method whose return type is TYPE. This apparently + happens for speed of symbol reading, since parsing out the + arguments to the method is cpu-intensive, the way we are doing it. + So, we will fill in arguments later. This always returns a fresh + type. */ struct type * allocate_stub_method (struct type *type) { struct type *mtype; - mtype = init_type (TYPE_CODE_METHOD, 1, TYPE_FLAG_STUB, NULL, - TYPE_OBJFILE (type)); + mtype = alloc_type_copy (type); + TYPE_CODE (mtype) = TYPE_CODE_METHOD; + TYPE_LENGTH (mtype) = 1; + TYPE_STUB (mtype) = 1; TYPE_TARGET_TYPE (mtype) = type; /* _DOMAIN_TYPE (mtype) = unknown yet */ - return (mtype); + return mtype; } -/* Create a range type using either a blank type supplied in RESULT_TYPE, - or creating a new type, inheriting the objfile from INDEX_TYPE. +/* Create a range type using either a blank type supplied in + RESULT_TYPE, or creating a new type, inheriting the objfile from + INDEX_TYPE. - Indices will be of type INDEX_TYPE, and will range from LOW_BOUND to - HIGH_BOUND, inclusive. + Indices will be of type INDEX_TYPE, and will range from LOW_BOUND + to HIGH_BOUND, inclusive. - FIXME: Maybe we should check the TYPE_CODE of RESULT_TYPE to make - sure it is TYPE_CODE_UNDEF before we bash it into a range type? */ + FIXME: Maybe we should check the TYPE_CODE of RESULT_TYPE to make + sure it is TYPE_CODE_UNDEF before we bash it into a range type? */ struct type * create_range_type (struct type *result_type, struct type *index_type, int low_bound, int high_bound) { if (result_type == NULL) - { - result_type = alloc_type (TYPE_OBJFILE (index_type)); - } + result_type = alloc_type_copy (index_type); TYPE_CODE (result_type) = TYPE_CODE_RANGE; TYPE_TARGET_TYPE (result_type) = index_type; if (TYPE_STUB (index_type)) - TYPE_FLAGS (result_type) |= TYPE_FLAG_TARGET_STUB; + TYPE_TARGET_STUB (result_type) = 1; else TYPE_LENGTH (result_type) = TYPE_LENGTH (check_typedef (index_type)); TYPE_NFIELDS (result_type) = 2; - TYPE_FIELDS (result_type) = (struct field *) - TYPE_ALLOC (result_type, 2 * sizeof (struct field)); - memset (TYPE_FIELDS (result_type), 0, 2 * sizeof (struct field)); - TYPE_FIELD_BITPOS (result_type, 0) = low_bound; - TYPE_FIELD_BITPOS (result_type, 1) = high_bound; - TYPE_FIELD_TYPE (result_type, 0) = builtin_type_int; /* FIXME */ - TYPE_FIELD_TYPE (result_type, 1) = builtin_type_int; /* FIXME */ + TYPE_FIELDS (result_type) = TYPE_ZALLOC (result_type, + TYPE_NFIELDS (result_type) + * sizeof (struct field)); + TYPE_LOW_BOUND (result_type) = low_bound; + TYPE_HIGH_BOUND (result_type) = high_bound; if (low_bound >= 0) - TYPE_FLAGS (result_type) |= TYPE_FLAG_UNSIGNED; + TYPE_UNSIGNED (result_type) = 1; - return (result_type); + return result_type; } -/* Set *LOWP and *HIGHP to the lower and upper bounds of discrete type TYPE. - Return 1 of type is a range type, 0 if it is discrete (and bounds - will fit in LONGEST), or -1 otherwise. */ +/* Set *LOWP and *HIGHP to the lower and upper bounds of discrete type + TYPE. Return 1 if type is a range type, 0 if it is discrete (and + bounds will fit in LONGEST), or -1 otherwise. */ int get_discrete_bounds (struct type *type, LONGEST *lowp, LONGEST *highp) @@ -681,10 +764,10 @@ get_discrete_bounds (struct type *type, LONGEST *lowp, LONGEST *highp) *highp = TYPE_FIELD_BITPOS (type, i); } - /* Set unsigned indicator if warranted. */ + /* Set unsigned indicator if warranted. */ if (*lowp >= 0) { - TYPE_FLAGS (type) |= TYPE_FLAG_UNSIGNED; + TYPE_UNSIGNED (type) = 1; } } else @@ -706,12 +789,12 @@ get_discrete_bounds (struct type *type, LONGEST *lowp, LONGEST *highp) *highp = -*lowp - 1; return 0; } - /* ... fall through for unsigned ints ... */ + /* ... fall through for unsigned ints ... */ case TYPE_CODE_CHAR: *lowp = 0; /* This round-about calculation is to avoid shifting by TYPE_LENGTH (type) * TARGET_CHAR_BIT, which will not work - if TYPE_LENGTH (type) == sizeof (LONGEST). */ + if TYPE_LENGTH (type) == sizeof (LONGEST). */ *highp = 1 << (TYPE_LENGTH (type) * TARGET_CHAR_BIT - 1); *highp = (*highp - 1) | *highp; return 0; @@ -720,274 +803,190 @@ get_discrete_bounds (struct type *type, LONGEST *lowp, LONGEST *highp) } } -/* Create an array type using either a blank type supplied in RESULT_TYPE, - or creating a new type, inheriting the objfile from RANGE_TYPE. +/* Create an array type using either a blank type supplied in + RESULT_TYPE, or creating a new type, inheriting the objfile from + RANGE_TYPE. Elements will be of type ELEMENT_TYPE, the indices will be of type RANGE_TYPE. - FIXME: Maybe we should check the TYPE_CODE of RESULT_TYPE to make - sure it is TYPE_CODE_UNDEF before we bash it into an array type? */ + FIXME: Maybe we should check the TYPE_CODE of RESULT_TYPE to make + sure it is TYPE_CODE_UNDEF before we bash it into an array + type? */ struct type * -create_array_type (struct type *result_type, struct type *element_type, +create_array_type (struct type *result_type, + struct type *element_type, struct type *range_type) { LONGEST low_bound, high_bound; if (result_type == NULL) - { - result_type = alloc_type (TYPE_OBJFILE (range_type)); - } + result_type = alloc_type_copy (range_type); + TYPE_CODE (result_type) = TYPE_CODE_ARRAY; TYPE_TARGET_TYPE (result_type) = element_type; if (get_discrete_bounds (range_type, &low_bound, &high_bound) < 0) low_bound = high_bound = 0; CHECK_TYPEDEF (element_type); - TYPE_LENGTH (result_type) = - TYPE_LENGTH (element_type) * (high_bound - low_bound + 1); + /* Be careful when setting the array length. Ada arrays can be + empty arrays with the high_bound being smaller than the low_bound. + In such cases, the array length should be zero. */ + if (high_bound < low_bound) + TYPE_LENGTH (result_type) = 0; + else + TYPE_LENGTH (result_type) = + TYPE_LENGTH (element_type) * (high_bound - low_bound + 1); TYPE_NFIELDS (result_type) = 1; TYPE_FIELDS (result_type) = - (struct field *) TYPE_ALLOC (result_type, sizeof (struct field)); - memset (TYPE_FIELDS (result_type), 0, sizeof (struct field)); - TYPE_FIELD_TYPE (result_type, 0) = range_type; + (struct field *) TYPE_ZALLOC (result_type, sizeof (struct field)); + TYPE_INDEX_TYPE (result_type) = range_type; TYPE_VPTR_FIELDNO (result_type) = -1; /* TYPE_FLAG_TARGET_STUB will take care of zero length arrays */ if (TYPE_LENGTH (result_type) == 0) - TYPE_FLAGS (result_type) |= TYPE_FLAG_TARGET_STUB; + TYPE_TARGET_STUB (result_type) = 1; + + return result_type; +} - return (result_type); +struct type * +lookup_array_range_type (struct type *element_type, + int low_bound, int high_bound) +{ + struct gdbarch *gdbarch = get_type_arch (element_type); + struct type *index_type = builtin_type (gdbarch)->builtin_int; + struct type *range_type + = create_range_type (NULL, index_type, low_bound, high_bound); + return create_array_type (NULL, element_type, range_type); } -/* Create a string type using either a blank type supplied in RESULT_TYPE, - or creating a new type. String types are similar enough to array of - char types that we can use create_array_type to build the basic type - and then bash it into a string type. +/* Create a string type using either a blank type supplied in + RESULT_TYPE, or creating a new type. String types are similar + enough to array of char types that we can use create_array_type to + build the basic type and then bash it into a string type. For fixed length strings, the range type contains 0 as the lower bound and the length of the string minus one as the upper bound. - FIXME: Maybe we should check the TYPE_CODE of RESULT_TYPE to make - sure it is TYPE_CODE_UNDEF before we bash it into a string type? */ + FIXME: Maybe we should check the TYPE_CODE of RESULT_TYPE to make + sure it is TYPE_CODE_UNDEF before we bash it into a string + type? */ struct type * -create_string_type (struct type *result_type, struct type *range_type) +create_string_type (struct type *result_type, + struct type *string_char_type, + struct type *range_type) { result_type = create_array_type (result_type, - *current_language->string_char_type, + string_char_type, range_type); TYPE_CODE (result_type) = TYPE_CODE_STRING; - return (result_type); + return result_type; +} + +struct type * +lookup_string_range_type (struct type *string_char_type, + int low_bound, int high_bound) +{ + struct type *result_type; + result_type = lookup_array_range_type (string_char_type, + low_bound, high_bound); + TYPE_CODE (result_type) = TYPE_CODE_STRING; + return result_type; } struct type * create_set_type (struct type *result_type, struct type *domain_type) { - LONGEST low_bound, high_bound, bit_length; if (result_type == NULL) - { - result_type = alloc_type (TYPE_OBJFILE (domain_type)); - } + result_type = alloc_type_copy (domain_type); + TYPE_CODE (result_type) = TYPE_CODE_SET; TYPE_NFIELDS (result_type) = 1; - TYPE_FIELDS (result_type) = (struct field *) - TYPE_ALLOC (result_type, 1 * sizeof (struct field)); - memset (TYPE_FIELDS (result_type), 0, sizeof (struct field)); + TYPE_FIELDS (result_type) = TYPE_ZALLOC (result_type, sizeof (struct field)); if (!TYPE_STUB (domain_type)) { + LONGEST low_bound, high_bound, bit_length; if (get_discrete_bounds (domain_type, &low_bound, &high_bound) < 0) low_bound = high_bound = 0; bit_length = high_bound - low_bound + 1; TYPE_LENGTH (result_type) = (bit_length + TARGET_CHAR_BIT - 1) / TARGET_CHAR_BIT; + if (low_bound >= 0) + TYPE_UNSIGNED (result_type) = 1; } TYPE_FIELD_TYPE (result_type, 0) = domain_type; - if (low_bound >= 0) - TYPE_FLAGS (result_type) |= TYPE_FLAG_UNSIGNED; - - return (result_type); -} - -/* Construct and return a type of the form: - struct NAME { ELT_TYPE ELT_NAME[N]; } - We use these types for SIMD registers. For example, the type of - the SSE registers on the late x86-family processors is: - struct __builtin_v4sf { float f[4]; } - built by the function call: - init_simd_type ("__builtin_v4sf", builtin_type_float, "f", 4) - The type returned is a permanent type, allocated using malloc; it - doesn't live in any objfile's obstack. */ -static struct type * -init_simd_type (char *name, - struct type *elt_type, - char *elt_name, - int n) -{ - struct type *simd_type; - struct type *array_type; - - simd_type = init_composite_type (name, TYPE_CODE_STRUCT); - array_type = create_array_type (0, elt_type, - create_range_type (0, builtin_type_int, - 0, n-1)); - append_composite_type_field (simd_type, elt_name, array_type); - return simd_type; -} - -static struct type * -init_vector_type (struct type *elt_type, int n) -{ - struct type *array_type; - - array_type = create_array_type (0, elt_type, - create_range_type (0, builtin_type_int, - 0, n-1)); - TYPE_FLAGS (array_type) |= TYPE_FLAG_VECTOR; - return array_type; -} - -static struct type * -build_builtin_type_vec64 (void) -{ - /* Construct a type for the 64 bit registers. The type we're - building is this: */ -#if 0 - union __gdb_builtin_type_vec64 - { - int64_t uint64; - float v2_float[2]; - int32_t v2_int32[2]; - int16_t v4_int16[4]; - int8_t v8_int8[8]; - }; -#endif - - struct type *t; - - t = init_composite_type ("__gdb_builtin_type_vec64", TYPE_CODE_UNION); - append_composite_type_field (t, "uint64", builtin_type_int64); - append_composite_type_field (t, "v2_float", builtin_type_v2_float); - append_composite_type_field (t, "v2_int32", builtin_type_v2_int32); - append_composite_type_field (t, "v4_int16", builtin_type_v4_int16); - append_composite_type_field (t, "v8_int8", builtin_type_v8_int8); - - TYPE_FLAGS (t) |= TYPE_FLAG_VECTOR; - TYPE_NAME (t) = "builtin_type_vec64"; - return t; + return result_type; } -static struct type * -build_builtin_type_vec64i (void) -{ - /* Construct a type for the 64 bit registers. The type we're - building is this: */ -#if 0 - union __gdb_builtin_type_vec64i - { - int64_t uint64; - int32_t v2_int32[2]; - int16_t v4_int16[4]; - int8_t v8_int8[8]; - }; -#endif - - struct type *t; - - t = init_composite_type ("__gdb_builtin_type_vec64i", TYPE_CODE_UNION); - append_composite_type_field (t, "uint64", builtin_type_int64); - append_composite_type_field (t, "v2_int32", builtin_type_v2_int32); - append_composite_type_field (t, "v4_int16", builtin_type_v4_int16); - append_composite_type_field (t, "v8_int8", builtin_type_v8_int8); - - TYPE_FLAGS (t) |= TYPE_FLAG_VECTOR; - TYPE_NAME (t) = "builtin_type_vec64i"; - return t; -} +/* Convert ARRAY_TYPE to a vector type. This may modify ARRAY_TYPE + and any array types nested inside it. */ -static struct type * -build_builtin_type_vec128 (void) +void +make_vector_type (struct type *array_type) { - /* Construct a type for the 128 bit registers. The type we're - building is this: */ -#if 0 - union __gdb_builtin_type_vec128 - { - int128_t uint128; - float v4_float[4]; - int32_t v4_int32[4]; - int16_t v8_int16[8]; - int8_t v16_int8[16]; - }; -#endif + struct type *inner_array, *elt_type; + int flags; - struct type *t; + /* Find the innermost array type, in case the array is + multi-dimensional. */ + inner_array = array_type; + while (TYPE_CODE (TYPE_TARGET_TYPE (inner_array)) == TYPE_CODE_ARRAY) + inner_array = TYPE_TARGET_TYPE (inner_array); - t = init_composite_type ("__gdb_builtin_type_vec128", TYPE_CODE_UNION); - append_composite_type_field (t, "uint128", builtin_type_int128); - append_composite_type_field (t, "v4_float", builtin_type_v4_float); - append_composite_type_field (t, "v4_int32", builtin_type_v4_int32); - append_composite_type_field (t, "v8_int16", builtin_type_v8_int16); - append_composite_type_field (t, "v16_int8", builtin_type_v16_int8); + elt_type = TYPE_TARGET_TYPE (inner_array); + if (TYPE_CODE (elt_type) == TYPE_CODE_INT) + { + flags = TYPE_INSTANCE_FLAGS (elt_type) | TYPE_FLAG_NOTTEXT; + elt_type = make_qualified_type (elt_type, flags, NULL); + TYPE_TARGET_TYPE (inner_array) = elt_type; + } - TYPE_FLAGS (t) |= TYPE_FLAG_VECTOR; - TYPE_NAME (t) = "builtin_type_vec128"; - return t; + TYPE_VECTOR (array_type) = 1; } -static struct type * -build_builtin_type_vec128i (void) +struct type * +init_vector_type (struct type *elt_type, int n) { - /* 128-bit Intel SIMD registers */ - struct type *t; - - t = init_composite_type ("__gdb_builtin_type_vec128i", TYPE_CODE_UNION); - append_composite_type_field (t, "v4_float", builtin_type_v4_float); - append_composite_type_field (t, "v2_double", builtin_type_v2_double); - append_composite_type_field (t, "v16_int8", builtin_type_v16_int8); - append_composite_type_field (t, "v8_int16", builtin_type_v8_int16); - append_composite_type_field (t, "v4_int32", builtin_type_v4_int32); - append_composite_type_field (t, "v2_int64", builtin_type_v2_int64); - append_composite_type_field (t, "uint128", builtin_type_int128); - - TYPE_FLAGS (t) |= TYPE_FLAG_VECTOR; - TYPE_NAME (t) = "builtin_type_vec128i"; - return t; + struct type *array_type; + array_type = lookup_array_range_type (elt_type, 0, n - 1); + make_vector_type (array_type); + return array_type; } -/* Smash TYPE to be a type of members of DOMAIN with type TO_TYPE. - A MEMBER is a wierd thing -- it amounts to a typed offset into - a struct, e.g. "an int at offset 8". A MEMBER TYPE doesn't - include the offset (that's the value of the MEMBER itself), but does - include the structure type into which it points (for some reason). +/* Smash TYPE to be a type of pointers to members of DOMAIN with type + TO_TYPE. A member pointer is a wierd thing -- it amounts to a + typed offset into a struct, e.g. "an int at offset 8". A MEMBER + TYPE doesn't include the offset (that's the value of the MEMBER + itself), but does include the structure type into which it points + (for some reason). - When "smashing" the type, we preserve the objfile that the - old type pointed to, since we aren't changing where the type is actually + When "smashing" the type, we preserve the objfile that the old type + pointed to, since we aren't changing where the type is actually allocated. */ void -smash_to_member_type (struct type *type, struct type *domain, - struct type *to_type) +smash_to_memberptr_type (struct type *type, struct type *domain, + struct type *to_type) { - struct objfile *objfile; - - objfile = TYPE_OBJFILE (type); - smash_type (type); - TYPE_OBJFILE (type) = objfile; TYPE_TARGET_TYPE (type) = to_type; TYPE_DOMAIN_TYPE (type) = domain; - TYPE_LENGTH (type) = 1; /* In practice, this is never needed. */ - TYPE_CODE (type) = TYPE_CODE_MEMBER; + /* Assume that a data member pointer is the same size as a normal + pointer. */ + TYPE_LENGTH (type) + = gdbarch_ptr_bit (get_type_arch (to_type)) / TARGET_CHAR_BIT; + TYPE_CODE (type) = TYPE_CODE_MEMBERPTR; } /* Smash TYPE to be a type of method of DOMAIN with type TO_TYPE. METHOD just means `function that gets an extra "this" argument'. - When "smashing" the type, we preserve the objfile that the - old type pointed to, since we aren't changing where the type is actually + When "smashing" the type, we preserve the objfile that the old type + pointed to, since we aren't changing where the type is actually allocated. */ void @@ -995,18 +994,13 @@ smash_to_method_type (struct type *type, struct type *domain, struct type *to_type, struct field *args, int nargs, int varargs) { - struct objfile *objfile; - - objfile = TYPE_OBJFILE (type); - smash_type (type); - TYPE_OBJFILE (type) = objfile; TYPE_TARGET_TYPE (type) = to_type; TYPE_DOMAIN_TYPE (type) = domain; TYPE_FIELDS (type) = args; TYPE_NFIELDS (type) = nargs; if (varargs) - TYPE_FLAGS (type) |= TYPE_FLAG_VARARGS; + TYPE_VARARGS (type) = 1; TYPE_LENGTH (type) = 1; /* In practice, this is never needed. */ TYPE_CODE (type) = TYPE_CODE_METHOD; } @@ -1020,83 +1014,69 @@ type_name_no_tag (const struct type *type) if (TYPE_TAG_NAME (type) != NULL) return TYPE_TAG_NAME (type); - /* Is there code which expects this to return the name if there is no - tag name? My guess is that this is mainly used for C++ in cases where - the two will always be the same. */ + /* Is there code which expects this to return the name if there is + no tag name? My guess is that this is mainly used for C++ in + cases where the two will always be the same. */ return TYPE_NAME (type); } -/* Lookup a primitive type named NAME. - Return zero if NAME is not a primitive type. */ - -struct type * -lookup_primitive_typename (char *name) -{ - struct type **const *p; - - for (p = current_language->la_builtin_type_vector; *p != NULL; p++) - { - if (strcmp (TYPE_NAME (**p), name) == 0) - { - return (**p); - } - } - return (NULL); -} - -/* Lookup a typedef or primitive type named NAME, - visible in lexical block BLOCK. - If NOERR is nonzero, return zero if NAME is not suitably defined. */ +/* Lookup a typedef or primitive type named NAME, visible in lexical + block BLOCK. If NOERR is nonzero, return zero if NAME is not + suitably defined. */ struct type * -lookup_typename (char *name, struct block *block, int noerr) +lookup_typename (const struct language_defn *language, + struct gdbarch *gdbarch, char *name, + struct block *block, int noerr) { struct symbol *sym; struct type *tmp; - sym = lookup_symbol (name, block, VAR_DOMAIN, 0, (struct symtab **) NULL); + sym = lookup_symbol (name, block, VAR_DOMAIN, 0); if (sym == NULL || SYMBOL_CLASS (sym) != LOC_TYPEDEF) { - tmp = lookup_primitive_typename (name); + tmp = language_lookup_primitive_type_by_name (language, gdbarch, name); if (tmp) { - return (tmp); + return tmp; } else if (!tmp && noerr) { - return (NULL); + return NULL; } else { - error ("No type named %s.", name); + error (_("No type named %s."), name); } } return (SYMBOL_TYPE (sym)); } struct type * -lookup_unsigned_typename (char *name) +lookup_unsigned_typename (const struct language_defn *language, + struct gdbarch *gdbarch, char *name) { char *uns = alloca (strlen (name) + 10); strcpy (uns, "unsigned "); strcpy (uns + 9, name); - return (lookup_typename (uns, (struct block *) NULL, 0)); + return lookup_typename (language, gdbarch, uns, (struct block *) NULL, 0); } struct type * -lookup_signed_typename (char *name) +lookup_signed_typename (const struct language_defn *language, + struct gdbarch *gdbarch, char *name) { struct type *t; char *uns = alloca (strlen (name) + 8); strcpy (uns, "signed "); strcpy (uns + 7, name); - t = lookup_typename (uns, (struct block *) NULL, 1); - /* If we don't find "signed FOO" just try again with plain "FOO". */ + t = lookup_typename (language, gdbarch, uns, (struct block *) NULL, 1); + /* If we don't find "signed FOO" just try again with plain "FOO". */ if (t != NULL) return t; - return lookup_typename (name, (struct block *) NULL, 0); + return lookup_typename (language, gdbarch, name, (struct block *) NULL, 0); } /* Lookup a structure type named "struct NAME", @@ -1107,16 +1087,16 @@ lookup_struct (char *name, struct block *block) { struct symbol *sym; - sym = lookup_symbol (name, block, STRUCT_DOMAIN, 0, - (struct symtab **) NULL); + sym = lookup_symbol (name, block, STRUCT_DOMAIN, 0); if (sym == NULL) { - error ("No struct type named %s.", name); + error (_("No struct type named %s."), name); } if (TYPE_CODE (SYMBOL_TYPE (sym)) != TYPE_CODE_STRUCT) { - error ("This context has class, union or enum %s, not a struct.", name); + error (_("This context has class, union or enum %s, not a struct."), + name); } return (SYMBOL_TYPE (sym)); } @@ -1130,26 +1110,26 @@ lookup_union (char *name, struct block *block) struct symbol *sym; struct type *t; - sym = lookup_symbol (name, block, STRUCT_DOMAIN, 0, - (struct symtab **) NULL); + sym = lookup_symbol (name, block, STRUCT_DOMAIN, 0); if (sym == NULL) - error ("No union type named %s.", name); + error (_("No union type named %s."), name); t = SYMBOL_TYPE (sym); if (TYPE_CODE (t) == TYPE_CODE_UNION) - return (t); + return t; /* C++ unions may come out with TYPE_CODE_CLASS, but we look at * a further "declared_type" field to discover it is really a union. */ if (HAVE_CPLUS_STRUCT (t)) if (TYPE_DECLARED_TYPE (t) == DECLARED_TYPE_UNION) - return (t); + return t; - /* If we get here, it's not a union */ - error ("This context has class, struct or enum %s, not a union.", name); + /* If we get here, it's not a union. */ + error (_("This context has class, struct or enum %s, not a union."), + name); } @@ -1161,15 +1141,15 @@ lookup_enum (char *name, struct block *block) { struct symbol *sym; - sym = lookup_symbol (name, block, STRUCT_DOMAIN, 0, - (struct symtab **) NULL); + sym = lookup_symbol (name, block, STRUCT_DOMAIN, 0); if (sym == NULL) { - error ("No enum type named %s.", name); + error (_("No enum type named %s."), name); } if (TYPE_CODE (SYMBOL_TYPE (sym)) != TYPE_CODE_ENUM) { - error ("This context has class, struct or union %s, not an enum.", name); + error (_("This context has class, struct or union %s, not an enum."), + name); } return (SYMBOL_TYPE (sym)); } @@ -1178,34 +1158,39 @@ lookup_enum (char *name, struct block *block) visible in lexical block BLOCK. */ struct type * -lookup_template_type (char *name, struct type *type, struct block *block) +lookup_template_type (char *name, struct type *type, + struct block *block) { struct symbol *sym; - char *nam = (char *) alloca (strlen (name) + strlen (TYPE_NAME (type)) + 4); + char *nam = (char *) + alloca (strlen (name) + strlen (TYPE_NAME (type)) + 4); strcpy (nam, name); strcat (nam, "<"); strcat (nam, TYPE_NAME (type)); - strcat (nam, " >"); /* FIXME, extra space still introduced in gcc? */ + strcat (nam, " >"); /* FIXME, extra space still introduced in gcc? */ - sym = lookup_symbol (nam, block, VAR_DOMAIN, 0, (struct symtab **) NULL); + sym = lookup_symbol (nam, block, VAR_DOMAIN, 0); if (sym == NULL) { - error ("No template type named %s.", name); + error (_("No template type named %s."), name); } if (TYPE_CODE (SYMBOL_TYPE (sym)) != TYPE_CODE_STRUCT) { - error ("This context has class, union or enum %s, not a struct.", name); + error (_("This context has class, union or enum %s, not a struct."), + name); } return (SYMBOL_TYPE (sym)); } -/* Given a type TYPE, lookup the type of the component of type named NAME. +/* Given a type TYPE, lookup the type of the component of type named + NAME. - TYPE can be either a struct or union, or a pointer or reference to a struct or - union. If it is a pointer or reference, its target type is automatically used. - Thus '.' and '->' are interchangable, as specified for the definitions of the - expression element types STRUCTOP_STRUCT and STRUCTOP_PTR. + TYPE can be either a struct or union, or a pointer or reference to + a struct or union. If it is a pointer or reference, its target + type is automatically used. Thus '.' and '->' are interchangable, + as specified for the definitions of the expression element types + STRUCTOP_STRUCT and STRUCTOP_PTR. If NOERR is nonzero, return zero if NAME is not suitably defined. If NAME is the name of a baseclass type, return that type. */ @@ -1224,21 +1209,21 @@ lookup_struct_elt_type (struct type *type, char *name, int noerr) type = TYPE_TARGET_TYPE (type); } - if (TYPE_CODE (type) != TYPE_CODE_STRUCT && - TYPE_CODE (type) != TYPE_CODE_UNION) + if (TYPE_CODE (type) != TYPE_CODE_STRUCT + && TYPE_CODE (type) != TYPE_CODE_UNION) { target_terminal_ours (); gdb_flush (gdb_stdout); fprintf_unfiltered (gdb_stderr, "Type "); type_print (type, "", gdb_stderr, -1); - error (" is not a structure or union type."); + error (_(" is not a structure or union type.")); } #if 0 - /* FIXME: This change put in by Michael seems incorrect for the case where - the structure tag name is the same as the member name. I.E. when doing - "ptype bell->bar" for "struct foo { int bar; int foo; } bell;" - Disabled by fnf. */ + /* FIXME: This change put in by Michael seems incorrect for the case + where the structure tag name is the same as the member name. + I.E. when doing "ptype bell->bar" for "struct foo { int bar; int + foo; } bell;" Disabled by fnf. */ { char *typename; @@ -1263,7 +1248,7 @@ lookup_struct_elt_type (struct type *type, char *name, int noerr) { struct type *t; - t = lookup_struct_elt_type (TYPE_BASECLASS (type, i), name, noerr); + t = lookup_struct_elt_type (TYPE_BASECLASS (type, i), name, 1); if (t != NULL) { return t; @@ -1281,19 +1266,23 @@ lookup_struct_elt_type (struct type *type, char *name, int noerr) type_print (type, "", gdb_stderr, -1); fprintf_unfiltered (gdb_stderr, " has no component named "); fputs_filtered (name, gdb_stderr); - error ("."); + error ((".")); return (struct type *) -1; /* For lint */ } -/* If possible, make the vptr_fieldno and vptr_basetype fields of TYPE - valid. Callers should be aware that in some cases (for example, +/* Lookup the vptr basetype/fieldno values for TYPE. + If found store vptr_basetype in *BASETYPEP if non-NULL, and return + vptr_fieldno. Also, if found and basetype is from the same objfile, + cache the results. + If not found, return -1 and ignore BASETYPEP. + Callers should be aware that in some cases (for example, the type or one of its baseclasses is a stub type and we are - debugging a .o file), this function will not be able to find the virtual - function table pointer, and vptr_fieldno will remain -1 and vptr_basetype - will remain NULL. */ + debugging a .o file), this function will not be able to find the + virtual function table pointer, and vptr_fieldno will remain -1 and + vptr_basetype will remain NULL or incomplete. */ -void -fill_in_vptr_fieldno (struct type *type) +int +get_vptr_fieldno (struct type *type, struct type **basetypep) { CHECK_TYPEDEF (type); @@ -1301,66 +1290,64 @@ fill_in_vptr_fieldno (struct type *type) { int i; - /* We must start at zero in case the first (and only) baseclass is - virtual (and hence we cannot share the table pointer). */ + /* We must start at zero in case the first (and only) baseclass + is virtual (and hence we cannot share the table pointer). */ for (i = 0; i < TYPE_N_BASECLASSES (type); i++) { struct type *baseclass = check_typedef (TYPE_BASECLASS (type, i)); - fill_in_vptr_fieldno (baseclass); - if (TYPE_VPTR_FIELDNO (baseclass) >= 0) + int fieldno; + struct type *basetype; + + fieldno = get_vptr_fieldno (baseclass, &basetype); + if (fieldno >= 0) { - TYPE_VPTR_FIELDNO (type) = TYPE_VPTR_FIELDNO (baseclass); - TYPE_VPTR_BASETYPE (type) = TYPE_VPTR_BASETYPE (baseclass); - break; + /* If the type comes from a different objfile we can't cache + it, it may have a different lifetime. PR 2384 */ + if (TYPE_OBJFILE (type) == TYPE_OBJFILE (basetype)) + { + TYPE_VPTR_FIELDNO (type) = fieldno; + TYPE_VPTR_BASETYPE (type) = basetype; + } + if (basetypep) + *basetypep = basetype; + return fieldno; } } + + /* Not found. */ + return -1; + } + else + { + if (basetypep) + *basetypep = TYPE_VPTR_BASETYPE (type); + return TYPE_VPTR_FIELDNO (type); } } -/* Find the method and field indices for the destructor in class type T. - Return 1 if the destructor was found, otherwise, return 0. */ - -int -get_destructor_fn_field (struct type *t, int *method_indexp, int *field_indexp) +static void +stub_noname_complaint (void) { - int i; - - for (i = 0; i < TYPE_NFN_FIELDS (t); i++) - { - int j; - struct fn_field *f = TYPE_FN_FIELDLIST1 (t, i); - - for (j = 0; j < TYPE_FN_FIELDLIST_LENGTH (t, i); j++) - { - if (is_destructor_name (TYPE_FN_FIELD_PHYSNAME (f, j)) != 0) - { - *method_indexp = i; - *field_indexp = j; - return 1; - } - } - } - return 0; + complaint (&symfile_complaints, _("stub type has NULL name")); } /* Added by Bryan Boreham, Kewill, Sun Sep 17 18:07:17 1989. If this is a stubbed struct (i.e. declared as struct foo *), see if we can find a full definition in some other file. If so, copy this - definition, so we can use it in future. There used to be a comment (but - not any code) that if we don't find a full definition, we'd set a flag - so we don't spend time in the future checking the same type. That would - be a mistake, though--we might load in more symbols which contain a - full definition for the type. + definition, so we can use it in future. There used to be a comment + (but not any code) that if we don't find a full definition, we'd + set a flag so we don't spend time in the future checking the same + type. That would be a mistake, though--we might load in more + symbols which contain a full definition for the type. This used to be coded as a macro, but I don't think it is called often enough to merit such treatment. */ -static void -stub_noname_complaint (void) -{ - complaint (&symfile_complaints, "stub type has NULL name"); -} +/* Find the real type of TYPE. This function returns the real type, + after removing all layers of typedefs and completing opaque or stub + types. Completion changes the TYPE argument, but stripping of + typedefs does not. */ struct type * check_typedef (struct type *type) @@ -1368,6 +1355,8 @@ check_typedef (struct type *type) struct type *orig_type = type; int is_const, is_volatile; + gdb_assert (type); + while (TYPE_CODE (type) == TYPE_CODE_TYPEDEF) { if (!TYPE_TARGET_TYPE (type)) @@ -1376,26 +1365,25 @@ check_typedef (struct type *type) struct symbol *sym; /* It is dangerous to call lookup_symbol if we are currently - reading a symtab. Infinite recursion is one danger. */ + reading a symtab. Infinite recursion is one danger. */ if (currently_reading_symtab) return type; name = type_name_no_tag (type); - /* FIXME: shouldn't we separately check the TYPE_NAME and the - TYPE_TAG_NAME, and look in STRUCT_DOMAIN and/or VAR_DOMAIN - as appropriate? (this code was written before TYPE_NAME and - TYPE_TAG_NAME were separate). */ + /* FIXME: shouldn't we separately check the TYPE_NAME and + the TYPE_TAG_NAME, and look in STRUCT_DOMAIN and/or + VAR_DOMAIN as appropriate? (this code was written before + TYPE_NAME and TYPE_TAG_NAME were separate). */ if (name == NULL) { stub_noname_complaint (); return type; } - sym = lookup_symbol (name, 0, STRUCT_DOMAIN, 0, - (struct symtab **) NULL); + sym = lookup_symbol (name, 0, STRUCT_DOMAIN, 0); if (sym) TYPE_TARGET_TYPE (type) = SYMBOL_TYPE (sym); - else - TYPE_TARGET_TYPE (type) = alloc_type (NULL); /* TYPE_CODE_UNDEF */ + else /* TYPE_CODE_UNDEF */ + TYPE_TARGET_TYPE (type) = alloc_type_arch (get_type_arch (type)); } type = TYPE_TARGET_TYPE (type); } @@ -1403,12 +1391,15 @@ check_typedef (struct type *type) is_const = TYPE_CONST (type); is_volatile = TYPE_VOLATILE (type); - /* If this is a struct/class/union with no fields, then check whether a - full definition exists somewhere else. This is for systems where a - type definition with no fields is issued for such types, instead of - identifying them as stub types in the first place */ + /* If this is a struct/class/union with no fields, then check + whether a full definition exists somewhere else. This is for + systems where a type definition with no fields is issued for such + types, instead of identifying them as stub types in the first + place. */ - if (TYPE_IS_OPAQUE (type) && opaque_type_resolution && !currently_reading_symtab) + if (TYPE_IS_OPAQUE (type) + && opaque_type_resolution + && !currently_reading_symtab) { char *name = type_name_no_tag (type); struct type *newtype; @@ -1418,10 +1409,27 @@ check_typedef (struct type *type) return type; } newtype = lookup_transparent_type (name); + if (newtype) - make_cv_type (is_const, is_volatile, newtype, &type); + { + /* If the resolved type and the stub are in the same + objfile, then replace the stub type with the real deal. + But if they're in separate objfiles, leave the stub + alone; we'll just look up the transparent type every time + we call check_typedef. We can't create pointers between + types allocated to different objfiles, since they may + have different lifetimes. Trying to copy NEWTYPE over to + TYPE's objfile is pointless, too, since you'll have to + move over any other types NEWTYPE refers to, which could + be an unbounded amount of stuff. */ + if (TYPE_OBJFILE (newtype) == TYPE_OBJFILE (type)) + make_cv_type (is_const, is_volatile, newtype, &type); + else + type = newtype; + } } - /* Otherwise, rely on the stub flag being set for opaque/stubbed types */ + /* Otherwise, rely on the stub flag being set for opaque/stubbed + types. */ else if (TYPE_STUB (type) && !currently_reading_symtab) { char *name = type_name_no_tag (type); @@ -1435,9 +1443,18 @@ check_typedef (struct type *type) stub_noname_complaint (); return type; } - sym = lookup_symbol (name, 0, STRUCT_DOMAIN, 0, (struct symtab **) NULL); + sym = lookup_symbol (name, 0, STRUCT_DOMAIN, 0); if (sym) - make_cv_type (is_const, is_volatile, SYMBOL_TYPE (sym), &type); + { + /* Same as above for opaque types, we can replace the stub + with the complete type only if they are int the same + objfile. */ + if (TYPE_OBJFILE (SYMBOL_TYPE(sym)) == TYPE_OBJFILE (type)) + make_cv_type (is_const, is_volatile, + SYMBOL_TYPE (sym), &type); + else + type = SYMBOL_TYPE (sym); + } } if (TYPE_TARGET_STUB (type)) @@ -1447,50 +1464,58 @@ check_typedef (struct type *type) if (TYPE_STUB (target_type) || TYPE_TARGET_STUB (target_type)) { + /* Empty. */ } else if (TYPE_CODE (type) == TYPE_CODE_ARRAY && TYPE_NFIELDS (type) == 1 - && (TYPE_CODE (range_type = TYPE_FIELD_TYPE (type, 0)) + && (TYPE_CODE (range_type = TYPE_INDEX_TYPE (type)) == TYPE_CODE_RANGE)) { /* Now recompute the length of the array type, based on its - number of elements and the target type's length. */ - TYPE_LENGTH (type) = - ((TYPE_FIELD_BITPOS (range_type, 1) - - TYPE_FIELD_BITPOS (range_type, 0) - + 1) - * TYPE_LENGTH (target_type)); - TYPE_FLAGS (type) &= ~TYPE_FLAG_TARGET_STUB; + number of elements and the target type's length. + Watch out for Ada null Ada arrays where the high bound + is smaller than the low bound. */ + const int low_bound = TYPE_LOW_BOUND (range_type); + const int high_bound = TYPE_HIGH_BOUND (range_type); + int nb_elements; + + if (high_bound < low_bound) + nb_elements = 0; + else + nb_elements = high_bound - low_bound + 1; + + TYPE_LENGTH (type) = nb_elements * TYPE_LENGTH (target_type); + TYPE_TARGET_STUB (type) = 0; } else if (TYPE_CODE (type) == TYPE_CODE_RANGE) { TYPE_LENGTH (type) = TYPE_LENGTH (target_type); - TYPE_FLAGS (type) &= ~TYPE_FLAG_TARGET_STUB; + TYPE_TARGET_STUB (type) = 0; } } - /* Cache TYPE_LENGTH for future use. */ + /* Cache TYPE_LENGTH for future use. */ TYPE_LENGTH (orig_type) = TYPE_LENGTH (type); return type; } -/* Parse a type expression in the string [P..P+LENGTH). If an error occurs, - silently return builtin_type_void. */ +/* Parse a type expression in the string [P..P+LENGTH). If an error + occurs, silently return a void type. */ static struct type * -safe_parse_type (char *p, int length) +safe_parse_type (struct gdbarch *gdbarch, char *p, int length) { struct ui_file *saved_gdb_stderr; struct type *type; - /* Suppress error messages. */ + /* Suppress error messages. */ saved_gdb_stderr = gdb_stderr; gdb_stderr = ui_file_new (); - /* Call parse_and_eval_type() without fear of longjmp()s. */ + /* Call parse_and_eval_type() without fear of longjmp()s. */ if (!gdb_parse_and_eval_type (p, length, &type)) - type = builtin_type_void; + type = builtin_type (gdbarch)->builtin_void; - /* Stop suppressing error messages. */ + /* Stop suppressing error messages. */ ui_file_delete (gdb_stderr); gdb_stderr = saved_gdb_stderr; @@ -1499,17 +1524,18 @@ safe_parse_type (char *p, int length) /* Ugly hack to convert method stubs into method types. - He ain't kiddin'. This demangles the name of the method into a string - including argument types, parses out each argument type, generates - a string casting a zero to that type, evaluates the string, and stuffs - the resulting type into an argtype vector!!! Then it knows the type - of the whole function (including argument types for overloading), - which info used to be in the stab's but was removed to hack back - the space required for them. */ + He ain't kiddin'. This demangles the name of the method into a + string including argument types, parses out each argument type, + generates a string casting a zero to that type, evaluates the + string, and stuffs the resulting type into an argtype vector!!! + Then it knows the type of the whole function (including argument + types for overloading), which info used to be in the stab's but was + removed to hack back the space required for them. */ static void check_stub_method (struct type *type, int method_id, int signature_id) { + struct gdbarch *gdbarch = get_type_arch (type); struct fn_field *f; char *mangled_name = gdb_mangle_name (type, method_id, signature_id); char *demangled_name = cplus_demangle (mangled_name, @@ -1526,7 +1552,8 @@ check_stub_method (struct type *type, int method_id, int signature_id) p = NULL; if (demangled_name == NULL || p == NULL) - error ("Internal: Cannot demangle mangled name `%s'.", mangled_name); + error (_("Internal: Cannot demangle mangled name `%s'."), + mangled_name); /* Now, read in the parameters that define this type. */ p += 1; @@ -1582,7 +1609,7 @@ check_stub_method (struct type *type, int method_id, int signature_id) && strncmp (argtypetext, "void", p - argtypetext) != 0) { argtypes[argcount].type = - safe_parse_type (argtypetext, p - argtypetext); + safe_parse_type (gdbarch, argtypetext, p - argtypetext); argcount += 1; } argtypetext = p + 1; @@ -1608,18 +1635,19 @@ check_stub_method (struct type *type, int method_id, int signature_id) TYPE_DOMAIN_TYPE (mtype) = type; TYPE_FIELDS (mtype) = argtypes; TYPE_NFIELDS (mtype) = argcount; - TYPE_FLAGS (mtype) &= ~TYPE_FLAG_STUB; + TYPE_STUB (mtype) = 0; TYPE_FN_FIELD_STUB (f, signature_id) = 0; if (p[-2] == '.') - TYPE_FLAGS (mtype) |= TYPE_FLAG_VARARGS; + TYPE_VARARGS (mtype) = 1; xfree (demangled_name); } -/* This is the external interface to check_stub_method, above. This function - unstubs all of the signatures for TYPE's METHOD_ID method name. After - calling this function TYPE_FN_FIELD_STUB will be cleared for each signature - and TYPE_FN_FIELDLIST_NAME will be correct. +/* This is the external interface to check_stub_method, above. This + function unstubs all of the signatures for TYPE's METHOD_ID method + name. After calling this function TYPE_FN_FIELD_STUB will be + cleared for each signature and TYPE_FN_FIELDLIST_NAME will be + correct. This function unfortunately can not die until stabs do. */ @@ -1637,10 +1665,11 @@ check_stub_method_group (struct type *type, int method_id) check_stub_method (type, method_id, j); } - /* GNU v3 methods with incorrect names were corrected when we read in - type information, because it was cheaper to do it then. The only GNU v2 - methods with incorrect method names are operators and destructors; - destructors were also corrected when we read in type information. + /* GNU v3 methods with incorrect names were corrected when we read + in type information, because it was cheaper to do it then. The + only GNU v2 methods with incorrect method names are operators and + destructors; destructors were also corrected when we read in type + information. Therefore the only thing we need to handle here are v2 operator names. */ @@ -1649,10 +1678,12 @@ check_stub_method_group (struct type *type, int method_id) int ret; char dem_opname[256]; - ret = cplus_demangle_opname (TYPE_FN_FIELDLIST_NAME (type, method_id), + ret = cplus_demangle_opname (TYPE_FN_FIELDLIST_NAME (type, + method_id), dem_opname, DMGL_ANSI); if (!ret) - ret = cplus_demangle_opname (TYPE_FN_FIELDLIST_NAME (type, method_id), + ret = cplus_demangle_opname (TYPE_FN_FIELDLIST_NAME (type, + method_id), dem_opname, 0); if (ret) TYPE_FN_FIELDLIST_NAME (type, method_id) = xstrdup (dem_opname); @@ -1674,174 +1705,98 @@ allocate_cplus_struct_type (struct type *type) /* Helper function to initialize the standard scalar types. - If NAME is non-NULL and OBJFILE is non-NULL, then we make a copy - of the string pointed to by name in the type_obstack for that objfile, - and initialize the type name to that copy. There are places (mipsread.c - in particular, where init_type is called with a NULL value for NAME). */ + If NAME is non-NULL, then we make a copy of the string pointed + to by name in the objfile_obstack for that objfile, and initialize + the type name to that copy. There are places (mipsread.c in particular), + where init_type is called with a NULL value for NAME). */ struct type * -init_type (enum type_code code, int length, int flags, char *name, - struct objfile *objfile) +init_type (enum type_code code, int length, int flags, + char *name, struct objfile *objfile) { struct type *type; type = alloc_type (objfile); TYPE_CODE (type) = code; TYPE_LENGTH (type) = length; - TYPE_FLAGS (type) |= flags; - if ((name != NULL) && (objfile != NULL)) - { - TYPE_NAME (type) = - obsavestring (name, strlen (name), &objfile->type_obstack); - } - else - { - TYPE_NAME (type) = name; - } + + gdb_assert (!(flags & (TYPE_FLAG_MIN - 1))); + if (flags & TYPE_FLAG_UNSIGNED) + TYPE_UNSIGNED (type) = 1; + if (flags & TYPE_FLAG_NOSIGN) + TYPE_NOSIGN (type) = 1; + if (flags & TYPE_FLAG_STUB) + TYPE_STUB (type) = 1; + if (flags & TYPE_FLAG_TARGET_STUB) + TYPE_TARGET_STUB (type) = 1; + if (flags & TYPE_FLAG_STATIC) + TYPE_STATIC (type) = 1; + if (flags & TYPE_FLAG_PROTOTYPED) + TYPE_PROTOTYPED (type) = 1; + if (flags & TYPE_FLAG_INCOMPLETE) + TYPE_INCOMPLETE (type) = 1; + if (flags & TYPE_FLAG_VARARGS) + TYPE_VARARGS (type) = 1; + if (flags & TYPE_FLAG_VECTOR) + TYPE_VECTOR (type) = 1; + if (flags & TYPE_FLAG_STUB_SUPPORTED) + TYPE_STUB_SUPPORTED (type) = 1; + if (flags & TYPE_FLAG_NOTTEXT) + TYPE_NOTTEXT (type) = 1; + if (flags & TYPE_FLAG_FIXED_INSTANCE) + TYPE_FIXED_INSTANCE (type) = 1; + + if (name) + TYPE_NAME (type) = obsavestring (name, strlen (name), + &objfile->objfile_obstack); /* C++ fancies. */ if (name && strcmp (name, "char") == 0) - TYPE_FLAGS (type) |= TYPE_FLAG_NOSIGN; + TYPE_NOSIGN (type) = 1; if (code == TYPE_CODE_STRUCT || code == TYPE_CODE_UNION || code == TYPE_CODE_NAMESPACE) { INIT_CPLUS_SPECIFIC (type); } - return (type); + return type; } -/* Helper function. Create an empty composite type. */ +int +can_dereference (struct type *t) +{ + /* FIXME: Should we return true for references as well as + pointers? */ + CHECK_TYPEDEF (t); + return + (t != NULL + && TYPE_CODE (t) == TYPE_CODE_PTR + && TYPE_CODE (TYPE_TARGET_TYPE (t)) != TYPE_CODE_VOID); +} -struct type * -init_composite_type (char *name, enum type_code code) +int +is_integral_type (struct type *t) { - struct type *t; - gdb_assert (code == TYPE_CODE_STRUCT - || code == TYPE_CODE_UNION); - t = init_type (code, 0, 0, NULL, NULL); - TYPE_TAG_NAME (t) = name; - return t; + CHECK_TYPEDEF (t); + return + ((t != NULL) + && ((TYPE_CODE (t) == TYPE_CODE_INT) + || (TYPE_CODE (t) == TYPE_CODE_ENUM) + || (TYPE_CODE (t) == TYPE_CODE_FLAGS) + || (TYPE_CODE (t) == TYPE_CODE_CHAR) + || (TYPE_CODE (t) == TYPE_CODE_RANGE) + || (TYPE_CODE (t) == TYPE_CODE_BOOL))); } -/* Helper function. Append a field to a composite type. */ +/* Check whether BASE is an ancestor or base class or DCLASS + Return 1 if so, and 0 if not. + Note: callers may want to check for identity of the types before + calling this function -- identical types are considered to satisfy + the ancestor relationship even if they're identical. */ -void -append_composite_type_field (struct type *t, char *name, struct type *field) -{ - struct field *f; - TYPE_NFIELDS (t) = TYPE_NFIELDS (t) + 1; - TYPE_FIELDS (t) = xrealloc (TYPE_FIELDS (t), - sizeof (struct field) * TYPE_NFIELDS (t)); - f = &(TYPE_FIELDS (t)[TYPE_NFIELDS (t) - 1]); - memset (f, 0, sizeof f[0]); - FIELD_TYPE (f[0]) = field; - FIELD_NAME (f[0]) = name; - if (TYPE_CODE (t) == TYPE_CODE_UNION) - { - if (TYPE_LENGTH (t) < TYPE_LENGTH (field)) - TYPE_LENGTH (t) = TYPE_LENGTH (field); - } - else if (TYPE_CODE (t) == TYPE_CODE_STRUCT) - { - TYPE_LENGTH (t) = TYPE_LENGTH (t) + TYPE_LENGTH (field); - if (TYPE_NFIELDS (t) > 1) - { - FIELD_BITPOS (f[0]) = (FIELD_BITPOS (f[-1]) - + TYPE_LENGTH (field) * TARGET_CHAR_BIT); - } - } -} - -/* Look up a fundamental type for the specified objfile. - May need to construct such a type if this is the first use. - - Some object file formats (ELF, COFF, etc) do not define fundamental - types such as "int" or "double". Others (stabs for example), do - define fundamental types. - - For the formats which don't provide fundamental types, gdb can create - such types, using defaults reasonable for the current language and - the current target machine. - - NOTE: This routine is obsolescent. Each debugging format reader - should manage it's own fundamental types, either creating them from - suitable defaults or reading them from the debugging information, - whichever is appropriate. The DWARF reader has already been - fixed to do this. Once the other readers are fixed, this routine - will go away. Also note that fundamental types should be managed - on a compilation unit basis in a multi-language environment, not - on a linkage unit basis as is done here. */ - - -struct type * -lookup_fundamental_type (struct objfile *objfile, int typeid) -{ - struct type **typep; - int nbytes; - - if (typeid < 0 || typeid >= FT_NUM_MEMBERS) - { - error ("internal error - invalid fundamental type id %d", typeid); - } - - /* If this is the first time we need a fundamental type for this objfile - then we need to initialize the vector of type pointers. */ - - if (objfile->fundamental_types == NULL) - { - nbytes = FT_NUM_MEMBERS * sizeof (struct type *); - objfile->fundamental_types = (struct type **) - obstack_alloc (&objfile->type_obstack, nbytes); - memset ((char *) objfile->fundamental_types, 0, nbytes); - OBJSTAT (objfile, n_types += FT_NUM_MEMBERS); - } - - /* Look for this particular type in the fundamental type vector. If one is - not found, create and install one appropriate for the current language. */ - - typep = objfile->fundamental_types + typeid; - if (*typep == NULL) - { - *typep = create_fundamental_type (objfile, typeid); - } - - return (*typep); -} - -int -can_dereference (struct type *t) -{ - /* FIXME: Should we return true for references as well as pointers? */ - CHECK_TYPEDEF (t); - return - (t != NULL - && TYPE_CODE (t) == TYPE_CODE_PTR - && TYPE_CODE (TYPE_TARGET_TYPE (t)) != TYPE_CODE_VOID); -} - -int -is_integral_type (struct type *t) -{ - CHECK_TYPEDEF (t); - return - ((t != NULL) - && ((TYPE_CODE (t) == TYPE_CODE_INT) - || (TYPE_CODE (t) == TYPE_CODE_ENUM) - || (TYPE_CODE (t) == TYPE_CODE_CHAR) - || (TYPE_CODE (t) == TYPE_CODE_RANGE) - || (TYPE_CODE (t) == TYPE_CODE_BOOL))); -} - -/* Check whether BASE is an ancestor or base class or DCLASS - Return 1 if so, and 0 if not. - Note: callers may want to check for identity of the types before - calling this function -- identical types are considered to satisfy - the ancestor relationship even if they're identical */ - -int -is_ancestor (struct type *base, struct type *dclass) +int +is_ancestor (struct type *base, struct type *dclass) { int i; @@ -1850,8 +1805,8 @@ is_ancestor (struct type *base, struct type *dclass) if (base == dclass) return 1; - if (TYPE_NAME (base) && TYPE_NAME (dclass) && - !strcmp (TYPE_NAME (base), TYPE_NAME (dclass))) + if (TYPE_NAME (base) && TYPE_NAME (dclass) + && !strcmp (TYPE_NAME (base), TYPE_NAME (dclass))) return 1; for (i = 0; i < TYPE_N_BASECLASSES (dclass); i++) @@ -1860,343 +1815,16 @@ is_ancestor (struct type *base, struct type *dclass) return 0; } - - - -/* See whether DCLASS has a virtual table. This routine is aimed at - the HP/Taligent ANSI C++ runtime model, and may not work with other - runtime models. Return 1 => Yes, 0 => No. */ - -int -has_vtable (struct type *dclass) -{ - /* In the HP ANSI C++ runtime model, a class has a vtable only if it - has virtual functions or virtual bases. */ - - int i; - - if (TYPE_CODE (dclass) != TYPE_CODE_CLASS) - return 0; - - /* First check for the presence of virtual bases */ - if (TYPE_FIELD_VIRTUAL_BITS (dclass)) - for (i = 0; i < TYPE_N_BASECLASSES (dclass); i++) - if (B_TST (TYPE_FIELD_VIRTUAL_BITS (dclass), i)) - return 1; - - /* Next check for virtual functions */ - if (TYPE_FN_FIELDLISTS (dclass)) - for (i = 0; i < TYPE_NFN_FIELDS (dclass); i++) - if (TYPE_FN_FIELD_VIRTUAL_P (TYPE_FN_FIELDLIST1 (dclass, i), 0)) - return 1; - - /* Recurse on non-virtual bases to see if any of them needs a vtable */ - if (TYPE_FIELD_VIRTUAL_BITS (dclass)) - for (i = 0; i < TYPE_N_BASECLASSES (dclass); i++) - if ((!B_TST (TYPE_FIELD_VIRTUAL_BITS (dclass), i)) && - (has_vtable (TYPE_FIELD_TYPE (dclass, i)))) - return 1; - - /* Well, maybe we don't need a virtual table */ - return 0; -} - -/* Return a pointer to the "primary base class" of DCLASS. - - A NULL return indicates that DCLASS has no primary base, or that it - couldn't be found (insufficient information). - - This routine is aimed at the HP/Taligent ANSI C++ runtime model, - and may not work with other runtime models. */ - -struct type * -primary_base_class (struct type *dclass) -{ - /* In HP ANSI C++'s runtime model, a "primary base class" of a class - is the first directly inherited, non-virtual base class that - requires a virtual table */ - - int i; - - if (TYPE_CODE (dclass) != TYPE_CODE_CLASS) - return NULL; - - for (i = 0; i < TYPE_N_BASECLASSES (dclass); i++) - if (!TYPE_FIELD_VIRTUAL (dclass, i) && - has_vtable (TYPE_FIELD_TYPE (dclass, i))) - return TYPE_FIELD_TYPE (dclass, i); - - return NULL; -} - -/* Global manipulated by virtual_base_list[_aux]() */ - -static struct vbase *current_vbase_list = NULL; - -/* Return a pointer to a null-terminated list of struct vbase - items. The vbasetype pointer of each item in the list points to the - type information for a virtual base of the argument DCLASS. - - Helper function for virtual_base_list(). - Note: the list goes backward, right-to-left. virtual_base_list() - copies the items out in reverse order. */ - -static void -virtual_base_list_aux (struct type *dclass) -{ - struct vbase *tmp_vbase; - int i; - - if (TYPE_CODE (dclass) != TYPE_CODE_CLASS) - return; - - for (i = 0; i < TYPE_N_BASECLASSES (dclass); i++) - { - /* Recurse on this ancestor, first */ - virtual_base_list_aux (TYPE_FIELD_TYPE (dclass, i)); - - /* If this current base is itself virtual, add it to the list */ - if (BASETYPE_VIA_VIRTUAL (dclass, i)) - { - struct type *basetype = TYPE_FIELD_TYPE (dclass, i); - - /* Check if base already recorded */ - tmp_vbase = current_vbase_list; - while (tmp_vbase) - { - if (tmp_vbase->vbasetype == basetype) - break; /* found it */ - tmp_vbase = tmp_vbase->next; - } - - if (!tmp_vbase) /* normal exit from loop */ - { - /* Allocate new item for this virtual base */ - tmp_vbase = (struct vbase *) xmalloc (sizeof (struct vbase)); - - /* Stick it on at the end of the list */ - tmp_vbase->vbasetype = basetype; - tmp_vbase->next = current_vbase_list; - current_vbase_list = tmp_vbase; - } - } /* if virtual */ - } /* for loop over bases */ -} - - -/* Compute the list of virtual bases in the right order. Virtual - bases are laid out in the object's memory area in order of their - occurrence in a depth-first, left-to-right search through the - ancestors. - - Argument DCLASS is the type whose virtual bases are required. - Return value is the address of a null-terminated array of pointers - to struct type items. - - This routine is aimed at the HP/Taligent ANSI C++ runtime model, - and may not work with other runtime models. - - This routine merely hands off the argument to virtual_base_list_aux() - and then copies the result into an array to save space. */ - -struct type ** -virtual_base_list (struct type *dclass) -{ - struct vbase *tmp_vbase; - struct vbase *tmp_vbase_2; - int i; - int count; - struct type **vbase_array; - - current_vbase_list = NULL; - virtual_base_list_aux (dclass); - - for (i = 0, tmp_vbase = current_vbase_list; tmp_vbase != NULL; i++, tmp_vbase = tmp_vbase->next) - /* no body */ ; - - count = i; - - vbase_array = (struct type **) xmalloc ((count + 1) * sizeof (struct type *)); - - for (i = count - 1, tmp_vbase = current_vbase_list; i >= 0; i--, tmp_vbase = tmp_vbase->next) - vbase_array[i] = tmp_vbase->vbasetype; - - /* Get rid of constructed chain */ - tmp_vbase_2 = tmp_vbase = current_vbase_list; - while (tmp_vbase) - { - tmp_vbase = tmp_vbase->next; - xfree (tmp_vbase_2); - tmp_vbase_2 = tmp_vbase; - } - - vbase_array[count] = NULL; - return vbase_array; -} - -/* Return the length of the virtual base list of the type DCLASS. */ - -int -virtual_base_list_length (struct type *dclass) -{ - int i; - struct vbase *tmp_vbase; - - current_vbase_list = NULL; - virtual_base_list_aux (dclass); - - for (i = 0, tmp_vbase = current_vbase_list; tmp_vbase != NULL; i++, tmp_vbase = tmp_vbase->next) - /* no body */ ; - return i; -} - -/* Return the number of elements of the virtual base list of the type - DCLASS, ignoring those appearing in the primary base (and its - primary base, recursively). */ - -int -virtual_base_list_length_skip_primaries (struct type *dclass) -{ - int i; - struct vbase *tmp_vbase; - struct type *primary; - - primary = TYPE_RUNTIME_PTR (dclass) ? TYPE_PRIMARY_BASE (dclass) : NULL; - - if (!primary) - return virtual_base_list_length (dclass); - - current_vbase_list = NULL; - virtual_base_list_aux (dclass); - - for (i = 0, tmp_vbase = current_vbase_list; tmp_vbase != NULL; tmp_vbase = tmp_vbase->next) - { - if (virtual_base_index (tmp_vbase->vbasetype, primary) >= 0) - continue; - i++; - } - return i; -} - - -/* Return the index (position) of type BASE, which is a virtual base - class of DCLASS, in the latter's virtual base list. A return of -1 - indicates "not found" or a problem. */ - -int -virtual_base_index (struct type *base, struct type *dclass) -{ - struct type *vbase; - int i; - - if ((TYPE_CODE (dclass) != TYPE_CODE_CLASS) || - (TYPE_CODE (base) != TYPE_CODE_CLASS)) - return -1; - - i = 0; - vbase = virtual_base_list (dclass)[0]; - while (vbase) - { - if (vbase == base) - break; - vbase = virtual_base_list (dclass)[++i]; - } - - return vbase ? i : -1; -} - - - -/* Return the index (position) of type BASE, which is a virtual base - class of DCLASS, in the latter's virtual base list. Skip over all - bases that may appear in the virtual base list of the primary base - class of DCLASS (recursively). A return of -1 indicates "not - found" or a problem. */ - -int -virtual_base_index_skip_primaries (struct type *base, struct type *dclass) -{ - struct type *vbase; - int i, j; - struct type *primary; - - if ((TYPE_CODE (dclass) != TYPE_CODE_CLASS) || - (TYPE_CODE (base) != TYPE_CODE_CLASS)) - return -1; - - primary = TYPE_RUNTIME_PTR (dclass) ? TYPE_PRIMARY_BASE (dclass) : NULL; - - j = -1; - i = 0; - vbase = virtual_base_list (dclass)[0]; - while (vbase) - { - if (!primary || (virtual_base_index_skip_primaries (vbase, primary) < 0)) - j++; - if (vbase == base) - break; - vbase = virtual_base_list (dclass)[++i]; - } - - return vbase ? j : -1; -} - -/* Return position of a derived class DCLASS in the list of - * primary bases starting with the remotest ancestor. - * Position returned is 0-based. */ - -int -class_index_in_primary_list (struct type *dclass) -{ - struct type *pbc; /* primary base class */ - - /* Simply recurse on primary base */ - pbc = TYPE_PRIMARY_BASE (dclass); - if (pbc) - return 1 + class_index_in_primary_list (pbc); - else - return 0; -} - -/* Return a count of the number of virtual functions a type has. - * This includes all the virtual functions it inherits from its - * base classes too. - */ - -/* pai: FIXME This doesn't do the right thing: count redefined virtual - * functions only once (latest redefinition) - */ - -int -count_virtual_fns (struct type *dclass) -{ - int fn, oi; /* function and overloaded instance indices */ - int vfuncs; /* count to return */ - - /* recurse on bases that can share virtual table */ - struct type *pbc = primary_base_class (dclass); - if (pbc) - vfuncs = count_virtual_fns (pbc); - else - vfuncs = 0; - - for (fn = 0; fn < TYPE_NFN_FIELDS (dclass); fn++) - for (oi = 0; oi < TYPE_FN_FIELDLIST_LENGTH (dclass, fn); oi++) - if (TYPE_FN_FIELD_VIRTUAL_P (TYPE_FN_FIELDLIST1 (dclass, fn), oi)) - vfuncs++; - - return vfuncs; -} /* Functions for overload resolution begin here */ /* Compare two badness vectors A and B and return the result. - * 0 => A and B are identical - * 1 => A and B are incomparable - * 2 => A is better than B - * 3 => A is worse than B */ + 0 => A and B are identical + 1 => A and B are incomparable + 2 => A is better than B + 3 => A is worse than B */ int compare_badness (struct badness_vector *a, struct badness_vector *b) @@ -2237,12 +1865,14 @@ compare_badness (struct badness_vector *a, struct badness_vector *b) } } -/* Rank a function by comparing its parameter types (PARMS, length NPARMS), - * to the types of an argument list (ARGS, length NARGS). - * Return a pointer to a badness vector. This has NARGS + 1 entries. */ +/* Rank a function by comparing its parameter types (PARMS, length + NPARMS), to the types of an argument list (ARGS, length NARGS). + Return a pointer to a badness vector. This has NARGS + 1 + entries. */ struct badness_vector * -rank_function (struct type **parms, int nparms, struct type **args, int nargs) +rank_function (struct type **parms, int nparms, + struct type **args, int nargs) { int i; struct badness_vector *bv; @@ -2253,11 +1883,11 @@ rank_function (struct type **parms, int nparms, struct type **args, int nargs) bv->rank = xmalloc ((nargs + 1) * sizeof (int)); /* First compare the lengths of the supplied lists. - * If there is a mismatch, set it to a high value. */ + If there is a mismatch, set it to a high value. */ /* pai/1997-06-03 FIXME: when we have debug info about default - * arguments and ellipsis parameter lists, we should consider those - * and rank the length-match more finely. */ + arguments and ellipsis parameter lists, we should consider those + and rank the length-match more finely. */ LENGTH_MATCH (bv) = (nargs != nparms) ? LENGTH_MISMATCH_BADNESS : 0; @@ -2281,7 +1911,8 @@ integer_types_same_name_p (const char *first, const char *second) { int first_p, second_p; - /* If both are shorts, return 1; if neither is a short, keep checking. */ + /* If both are shorts, return 1; if neither is a short, keep + checking. */ first_p = (strstr (first, "short") != NULL); second_p = (strstr (second, "short") != NULL); if (first_p && second_p) @@ -2316,16 +1947,16 @@ integer_types_same_name_p (const char *first, const char *second) * * Return 0 if they are identical types; * Otherwise, return an integer which corresponds to how compatible - * PARM is to ARG. The higher the return value, the worse the match. - * Generally the "bad" conversions are all uniformly assigned a 100 */ + * PARM is to ARG. The higher the return value, the worse the match. + * Generally the "bad" conversions are all uniformly assigned a 100. */ int rank_one_type (struct type *parm, struct type *arg) { - /* Identical type pointers */ + /* Identical type pointers. */ /* However, this still doesn't catch all cases of same type for arg - * and param. The reason is that builtin types are different from - * the same ones constructed from the object. */ + and param. The reason is that builtin types are different from + the same ones constructed from the object. */ if (parm == arg) return 0; @@ -2336,22 +1967,22 @@ rank_one_type (struct type *parm, struct type *arg) arg = check_typedef (arg); /* - Well, damnit, if the names are exactly the same, - i'll say they are exactly the same. This happens when we generate - method stubs. The types won't point to the same address, but they + Well, damnit, if the names are exactly the same, I'll say they + are exactly the same. This happens when we generate method + stubs. The types won't point to the same address, but they really are the same. */ - if (TYPE_NAME (parm) && TYPE_NAME (arg) && - !strcmp (TYPE_NAME (parm), TYPE_NAME (arg))) - return 0; + if (TYPE_NAME (parm) && TYPE_NAME (arg) + && !strcmp (TYPE_NAME (parm), TYPE_NAME (arg))) + return 0; - /* Check if identical after resolving typedefs */ + /* Check if identical after resolving typedefs. */ if (parm == arg) return 0; /* See through references, since we can almost make non-references - references. */ + references. */ if (TYPE_CODE (arg) == TYPE_CODE_REF) return (rank_one_type (parm, TYPE_TARGET_TYPE (arg)) + REFERENCE_CONVERSION_BADNESS); @@ -2359,9 +1990,11 @@ rank_one_type (struct type *parm, struct type *arg) return (rank_one_type (TYPE_TARGET_TYPE (parm), arg) + REFERENCE_CONVERSION_BADNESS); if (overload_debug) - /* Debugging only. */ - fprintf_filtered (gdb_stderr,"------ Arg is %s [%d], parm is %s [%d]\n", - TYPE_NAME (arg), TYPE_CODE (arg), TYPE_NAME (parm), TYPE_CODE (parm)); + /* Debugging only. */ + fprintf_filtered (gdb_stderr, + "------ Arg is %s [%d], parm is %s [%d]\n", + TYPE_NAME (arg), TYPE_CODE (arg), + TYPE_NAME (parm), TYPE_CODE (parm)); /* x -> y means arg of type x being supplied for parameter of type y */ @@ -2374,13 +2007,16 @@ rank_one_type (struct type *parm, struct type *arg) if (TYPE_CODE (TYPE_TARGET_TYPE (parm)) == TYPE_CODE_VOID) return VOID_PTR_CONVERSION_BADNESS; else - return rank_one_type (TYPE_TARGET_TYPE (parm), TYPE_TARGET_TYPE (arg)); + return rank_one_type (TYPE_TARGET_TYPE (parm), + TYPE_TARGET_TYPE (arg)); case TYPE_CODE_ARRAY: - return rank_one_type (TYPE_TARGET_TYPE (parm), TYPE_TARGET_TYPE (arg)); + return rank_one_type (TYPE_TARGET_TYPE (parm), + TYPE_TARGET_TYPE (arg)); case TYPE_CODE_FUNC: return rank_one_type (TYPE_TARGET_TYPE (parm), arg); case TYPE_CODE_INT: case TYPE_CODE_ENUM: + case TYPE_CODE_FLAGS: case TYPE_CODE_CHAR: case TYPE_CODE_RANGE: case TYPE_CODE_BOOL: @@ -2393,7 +2029,8 @@ rank_one_type (struct type *parm, struct type *arg) { case TYPE_CODE_PTR: case TYPE_CODE_ARRAY: - return rank_one_type (TYPE_TARGET_TYPE (parm), TYPE_TARGET_TYPE (arg)); + return rank_one_type (TYPE_TARGET_TYPE (parm), + TYPE_TARGET_TYPE (arg)); default: return INCOMPATIBLE_TYPE_BADNESS; } @@ -2412,32 +2049,38 @@ rank_one_type (struct type *parm, struct type *arg) if (TYPE_LENGTH (arg) == TYPE_LENGTH (parm)) { /* Deal with signed, unsigned, and plain chars and - signed and unsigned ints */ + signed and unsigned ints. */ if (TYPE_NOSIGN (parm)) { /* This case only for character types */ - if (TYPE_NOSIGN (arg)) /* plain char -> plain char */ - return 0; - else - return INTEGER_CONVERSION_BADNESS; /* signed/unsigned char -> plain char */ + if (TYPE_NOSIGN (arg)) + return 0; /* plain char -> plain char */ + else /* signed/unsigned char -> plain char */ + return INTEGER_CONVERSION_BADNESS; } else if (TYPE_UNSIGNED (parm)) { if (TYPE_UNSIGNED (arg)) { - /* unsigned int -> unsigned int, or unsigned long -> unsigned long */ - if (integer_types_same_name_p (TYPE_NAME (parm), TYPE_NAME (arg))) + /* unsigned int -> unsigned int, or + unsigned long -> unsigned long */ + if (integer_types_same_name_p (TYPE_NAME (parm), + TYPE_NAME (arg))) return 0; - else if (integer_types_same_name_p (TYPE_NAME (arg), "int") - && integer_types_same_name_p (TYPE_NAME (parm), "long")) + else if (integer_types_same_name_p (TYPE_NAME (arg), + "int") + && integer_types_same_name_p (TYPE_NAME (parm), + "long")) return INTEGER_PROMOTION_BADNESS; /* unsigned int -> unsigned long */ else return INTEGER_CONVERSION_BADNESS; /* unsigned long -> unsigned int */ } else { - if (integer_types_same_name_p (TYPE_NAME (arg), "long") - && integer_types_same_name_p (TYPE_NAME (parm), "int")) + if (integer_types_same_name_p (TYPE_NAME (arg), + "long") + && integer_types_same_name_p (TYPE_NAME (parm), + "int")) return INTEGER_CONVERSION_BADNESS; /* signed long -> unsigned int */ else return INTEGER_CONVERSION_BADNESS; /* signed int/long -> unsigned int/long */ @@ -2445,10 +2088,13 @@ rank_one_type (struct type *parm, struct type *arg) } else if (!TYPE_NOSIGN (arg) && !TYPE_UNSIGNED (arg)) { - if (integer_types_same_name_p (TYPE_NAME (parm), TYPE_NAME (arg))) + if (integer_types_same_name_p (TYPE_NAME (parm), + TYPE_NAME (arg))) return 0; - else if (integer_types_same_name_p (TYPE_NAME (arg), "int") - && integer_types_same_name_p (TYPE_NAME (parm), "long")) + else if (integer_types_same_name_p (TYPE_NAME (arg), + "int") + && integer_types_same_name_p (TYPE_NAME (parm), + "long")) return INTEGER_PROMOTION_BADNESS; else return INTEGER_CONVERSION_BADNESS; @@ -2461,6 +2107,7 @@ rank_one_type (struct type *parm, struct type *arg) else return INTEGER_CONVERSION_BADNESS; case TYPE_CODE_ENUM: + case TYPE_CODE_FLAGS: case TYPE_CODE_CHAR: case TYPE_CODE_RANGE: case TYPE_CODE_BOOL: @@ -2504,8 +2151,8 @@ rank_one_type (struct type *parm, struct type *arg) return INTEGER_PROMOTION_BADNESS; /* >>> !! else fall through !! <<< */ case TYPE_CODE_CHAR: - /* Deal with signed, unsigned, and plain chars for C++ - and with int cases falling through from previous case */ + /* Deal with signed, unsigned, and plain chars for C++ and + with int cases falling through from previous case. */ if (TYPE_NOSIGN (parm)) { if (TYPE_NOSIGN (arg)) @@ -2581,7 +2228,7 @@ rank_one_type (struct type *parm, struct type *arg) break; case TYPE_CODE_COMPLEX: switch (TYPE_CODE (arg)) - { /* Strictly not needed for C++, but... */ + { /* Strictly not needed for C++, but... */ case TYPE_CODE_FLT: return FLOAT_PROMOTION_BADNESS; case TYPE_CODE_COMPLEX: @@ -2611,7 +2258,7 @@ rank_one_type (struct type *parm, struct type *arg) return INCOMPATIBLE_TYPE_BADNESS; } break; - case TYPE_CODE_MEMBER: + case TYPE_CODE_MEMBERPTR: switch (TYPE_CODE (arg)) { default: @@ -2640,7 +2287,8 @@ rank_one_type (struct type *parm, struct type *arg) { /* Not in C++ */ case TYPE_CODE_SET: - return rank_one_type (TYPE_FIELD_TYPE (parm, 0), TYPE_FIELD_TYPE (arg, 0)); + return rank_one_type (TYPE_FIELD_TYPE (parm, 0), + TYPE_FIELD_TYPE (arg, 0)); default: return INCOMPATIBLE_TYPE_BADNESS; } @@ -2666,18 +2314,15 @@ print_bit_vector (B_TYPE *bits, int nbits) puts_filtered (" "); } if (B_TST (bits, bitno)) - { - printf_filtered ("1"); - } + printf_filtered (("1")); else - { - printf_filtered ("0"); - } + printf_filtered (("0")); } } /* Note the first arg should be the "this" pointer, we may not want to - include it since we may get into a infinitely recursive situation. */ + include it since we may get into a infinitely recursive + situation. */ static void print_arg_types (struct field *args, int nargs, int spaces) @@ -2691,6 +2336,20 @@ print_arg_types (struct field *args, int nargs, int spaces) } } +int +field_is_static (struct field *f) +{ + /* "static" fields are the fields whose location is not relative + to the address of the enclosing struct. It would be nice to + have a dedicated flag that would be set for static fields when + the type is being created. But in practice, checking the field + loc_kind should give us an accurate answer (at least as long as + we assume that DWARF block locations are not going to be used + for static fields). FIXME? */ + return (FIELD_LOC_KIND (*f) == FIELD_LOC_KIND_PHYSNAME + || FIELD_LOC_KIND (*f) == FIELD_LOC_KIND_PHYSADDR); +} + static void dump_fn_fieldlists (struct type *type, int spaces) { @@ -2709,7 +2368,7 @@ dump_fn_fieldlists (struct type *type, int spaces) TYPE_FN_FIELDLIST_NAME (type, method_idx)); gdb_print_host_address (TYPE_FN_FIELDLIST_NAME (type, method_idx), gdb_stdout); - printf_filtered (") length %d\n", + printf_filtered (_(") length %d\n"), TYPE_FN_FIELDLIST_LENGTH (type, method_idx)); for (overload_idx = 0; overload_idx < TYPE_FN_FIELDLIST_LENGTH (type, method_idx); @@ -2722,18 +2381,21 @@ dump_fn_fieldlists (struct type *type, int spaces) gdb_stdout); printf_filtered (")\n"); printfi_filtered (spaces + 8, "type "); - gdb_print_host_address (TYPE_FN_FIELD_TYPE (f, overload_idx), gdb_stdout); + gdb_print_host_address (TYPE_FN_FIELD_TYPE (f, overload_idx), + gdb_stdout); printf_filtered ("\n"); recursive_dump_type (TYPE_FN_FIELD_TYPE (f, overload_idx), spaces + 8 + 2); printfi_filtered (spaces + 8, "args "); - gdb_print_host_address (TYPE_FN_FIELD_ARGS (f, overload_idx), gdb_stdout); + gdb_print_host_address (TYPE_FN_FIELD_ARGS (f, overload_idx), + gdb_stdout); printf_filtered ("\n"); print_arg_types (TYPE_FN_FIELD_ARGS (f, overload_idx), - TYPE_NFIELDS (TYPE_FN_FIELD_TYPE (f, overload_idx)), + TYPE_NFIELDS (TYPE_FN_FIELD_TYPE (f, + overload_idx)), spaces); printfi_filtered (spaces + 8, "fcontext "); gdb_print_host_address (TYPE_FN_FIELD_FCONTEXT (f, overload_idx), @@ -2769,7 +2431,8 @@ print_cplus_stuff (struct type *type, int spaces) { printfi_filtered (spaces, "virtual_field_bits (%d bits at *", TYPE_N_BASECLASSES (type)); - gdb_print_host_address (TYPE_FIELD_VIRTUAL_BITS (type), gdb_stdout); + gdb_print_host_address (TYPE_FIELD_VIRTUAL_BITS (type), + gdb_stdout); printf_filtered (")"); print_bit_vector (TYPE_FIELD_VIRTUAL_BITS (type), @@ -2780,9 +2443,11 @@ print_cplus_stuff (struct type *type, int spaces) { if (TYPE_FIELD_PRIVATE_BITS (type) != NULL) { - printfi_filtered (spaces, "private_field_bits (%d bits at *", + printfi_filtered (spaces, + "private_field_bits (%d bits at *", TYPE_NFIELDS (type)); - gdb_print_host_address (TYPE_FIELD_PRIVATE_BITS (type), gdb_stdout); + gdb_print_host_address (TYPE_FIELD_PRIVATE_BITS (type), + gdb_stdout); printf_filtered (")"); print_bit_vector (TYPE_FIELD_PRIVATE_BITS (type), TYPE_NFIELDS (type)); @@ -2790,9 +2455,11 @@ print_cplus_stuff (struct type *type, int spaces) } if (TYPE_FIELD_PROTECTED_BITS (type) != NULL) { - printfi_filtered (spaces, "protected_field_bits (%d bits at *", + printfi_filtered (spaces, + "protected_field_bits (%d bits at *", TYPE_NFIELDS (type)); - gdb_print_host_address (TYPE_FIELD_PROTECTED_BITS (type), gdb_stdout); + gdb_print_host_address (TYPE_FIELD_PROTECTED_BITS (type), + gdb_stdout); printf_filtered (")"); print_bit_vector (TYPE_FIELD_PROTECTED_BITS (type), TYPE_NFIELDS (type)); @@ -2805,35 +2472,6 @@ print_cplus_stuff (struct type *type, int spaces) } } -static void -print_bound_type (int bt) -{ - switch (bt) - { - case BOUND_CANNOT_BE_DETERMINED: - printf_filtered ("(BOUND_CANNOT_BE_DETERMINED)"); - break; - case BOUND_BY_REF_ON_STACK: - printf_filtered ("(BOUND_BY_REF_ON_STACK)"); - break; - case BOUND_BY_VALUE_ON_STACK: - printf_filtered ("(BOUND_BY_VALUE_ON_STACK)"); - break; - case BOUND_BY_REF_IN_REG: - printf_filtered ("(BOUND_BY_REF_IN_REG)"); - break; - case BOUND_BY_VALUE_IN_REG: - printf_filtered ("(BOUND_BY_VALUE_IN_REG)"); - break; - case BOUND_SIMPLE: - printf_filtered ("(BOUND_SIMPLE)"); - break; - default: - printf_filtered ("(unknown bound type)"); - break; - } -} - static struct obstack dont_print_type_obstack; void @@ -2848,10 +2486,10 @@ recursive_dump_type (struct type *type, int spaces) || (TYPE_CPLUS_SPECIFIC (type) && TYPE_NFN_FIELDS (type) > 0)) { struct type **first_dont_print - = (struct type **) obstack_base (&dont_print_type_obstack); + = (struct type **) obstack_base (&dont_print_type_obstack); - int i = (struct type **) obstack_next_free (&dont_print_type_obstack) - - first_dont_print; + int i = (struct type **) + obstack_next_free (&dont_print_type_obstack) - first_dont_print; while (--i >= 0) { @@ -2859,7 +2497,7 @@ recursive_dump_type (struct type *type, int spaces) { printfi_filtered (spaces, "type node "); gdb_print_host_address (type, gdb_stdout); - printf_filtered (" \n"); + printf_filtered (_(" \n")); return; } } @@ -2899,6 +2537,9 @@ recursive_dump_type (struct type *type, int spaces) case TYPE_CODE_ENUM: printf_filtered ("(TYPE_CODE_ENUM)"); break; + case TYPE_CODE_FLAGS: + printf_filtered ("(TYPE_CODE_FLAGS)"); + break; case TYPE_CODE_FUNC: printf_filtered ("(TYPE_CODE_FUNC)"); break; @@ -2926,8 +2567,11 @@ recursive_dump_type (struct type *type, int spaces) case TYPE_CODE_ERROR: printf_filtered ("(TYPE_CODE_ERROR)"); break; - case TYPE_CODE_MEMBER: - printf_filtered ("(TYPE_CODE_MEMBER)"); + case TYPE_CODE_MEMBERPTR: + printf_filtered ("(TYPE_CODE_MEMBERPTR)"); + break; + case TYPE_CODE_METHODPTR: + printf_filtered ("(TYPE_CODE_METHODPTR)"); break; case TYPE_CODE_METHOD: printf_filtered ("(TYPE_CODE_METHOD)"); @@ -2962,16 +2606,16 @@ recursive_dump_type (struct type *type, int spaces) } puts_filtered ("\n"); printfi_filtered (spaces, "length %d\n", TYPE_LENGTH (type)); - printfi_filtered (spaces, "upper_bound_type 0x%x ", - TYPE_ARRAY_UPPER_BOUND_TYPE (type)); - print_bound_type (TYPE_ARRAY_UPPER_BOUND_TYPE (type)); - puts_filtered ("\n"); - printfi_filtered (spaces, "lower_bound_type 0x%x ", - TYPE_ARRAY_LOWER_BOUND_TYPE (type)); - print_bound_type (TYPE_ARRAY_LOWER_BOUND_TYPE (type)); - puts_filtered ("\n"); - printfi_filtered (spaces, "objfile "); - gdb_print_host_address (TYPE_OBJFILE (type), gdb_stdout); + if (TYPE_OBJFILE_OWNED (type)) + { + printfi_filtered (spaces, "objfile "); + gdb_print_host_address (TYPE_OWNER (type).objfile, gdb_stdout); + } + else + { + printfi_filtered (spaces, "gdbarch "); + gdb_print_host_address (TYPE_OWNER (type).gdbarch, gdb_stdout); + } printf_filtered ("\n"); printfi_filtered (spaces, "target_type "); gdb_print_host_address (TYPE_TARGET_TYPE (type), gdb_stdout); @@ -2989,7 +2633,8 @@ recursive_dump_type (struct type *type, int spaces) printfi_filtered (spaces, "type_chain "); gdb_print_host_address (TYPE_CHAIN (type), gdb_stdout); printf_filtered ("\n"); - printfi_filtered (spaces, "instance_flags 0x%x", TYPE_INSTANCE_FLAGS (type)); + printfi_filtered (spaces, "instance_flags 0x%x", + TYPE_INSTANCE_FLAGS (type)); if (TYPE_CONST (type)) { puts_filtered (" TYPE_FLAG_CONST"); @@ -3015,7 +2660,8 @@ recursive_dump_type (struct type *type, int spaces) puts_filtered (" TYPE_FLAG_ADDRESS_CLASS_2"); } puts_filtered ("\n"); - printfi_filtered (spaces, "flags 0x%x", TYPE_FLAGS (type)); + + printfi_filtered (spaces, "flags"); if (TYPE_UNSIGNED (type)) { puts_filtered (" TYPE_FLAG_UNSIGNED"); @@ -3055,6 +2701,18 @@ recursive_dump_type (struct type *type, int spaces) { puts_filtered (" TYPE_FLAG_VECTOR"); } + if (TYPE_FIXED_INSTANCE (type)) + { + puts_filtered (" TYPE_FIXED_INSTANCE"); + } + if (TYPE_STUB_SUPPORTED (type)) + { + puts_filtered (" TYPE_STUB_SUPPORTED"); + } + if (TYPE_NOTTEXT (type)) + { + puts_filtered (" TYPE_NOTTEXT"); + } puts_filtered ("\n"); printfi_filtered (spaces, "nfields %d ", TYPE_NFIELDS (type)); gdb_print_host_address (TYPE_FIELDS (type), gdb_stdout); @@ -3084,35 +2742,52 @@ recursive_dump_type (struct type *type, int spaces) { recursive_dump_type (TYPE_VPTR_BASETYPE (type), spaces + 2); } - printfi_filtered (spaces, "vptr_fieldno %d\n", TYPE_VPTR_FIELDNO (type)); + printfi_filtered (spaces, "vptr_fieldno %d\n", + TYPE_VPTR_FIELDNO (type)); switch (TYPE_CODE (type)) { case TYPE_CODE_STRUCT: printfi_filtered (spaces, "cplus_stuff "); - gdb_print_host_address (TYPE_CPLUS_SPECIFIC (type), gdb_stdout); + gdb_print_host_address (TYPE_CPLUS_SPECIFIC (type), + gdb_stdout); puts_filtered ("\n"); print_cplus_stuff (type, spaces); break; case TYPE_CODE_FLT: printfi_filtered (spaces, "floatformat "); - if (TYPE_FLOATFORMAT (type) == NULL - || TYPE_FLOATFORMAT (type)->name == NULL) + if (TYPE_FLOATFORMAT (type) == NULL) puts_filtered ("(null)"); else - puts_filtered (TYPE_FLOATFORMAT (type)->name); + { + puts_filtered ("{ "); + if (TYPE_FLOATFORMAT (type)[0] == NULL + || TYPE_FLOATFORMAT (type)[0]->name == NULL) + puts_filtered ("(null)"); + else + puts_filtered (TYPE_FLOATFORMAT (type)[0]->name); + + puts_filtered (", "); + if (TYPE_FLOATFORMAT (type)[1] == NULL + || TYPE_FLOATFORMAT (type)[1]->name == NULL) + puts_filtered ("(null)"); + else + puts_filtered (TYPE_FLOATFORMAT (type)[1]->name); + + puts_filtered (" }"); + } puts_filtered ("\n"); break; default: - /* We have to pick one of the union types to be able print and test - the value. Pick cplus_struct_type, even though we know it isn't - any particular one. */ + /* We have to pick one of the union types to be able print and + test the value. Pick cplus_struct_type, even though we know + it isn't any particular one. */ printfi_filtered (spaces, "type_specific "); gdb_print_host_address (TYPE_CPLUS_SPECIFIC (type), gdb_stdout); if (TYPE_CPLUS_SPECIFIC (type) != NULL) { - printf_filtered (" (unknown data form)"); + printf_filtered (_(" (unknown data form)")); } printf_filtered ("\n"); break; @@ -3122,199 +2797,629 @@ recursive_dump_type (struct type *type, int spaces) obstack_free (&dont_print_type_obstack, NULL); } -static void build_gdbtypes (void); -static void -build_gdbtypes (void) -{ - builtin_type_void = - init_type (TYPE_CODE_VOID, 1, - 0, - "void", (struct objfile *) NULL); - builtin_type_char = - init_type (TYPE_CODE_INT, TARGET_CHAR_BIT / TARGET_CHAR_BIT, - (TYPE_FLAG_NOSIGN - | (TARGET_CHAR_SIGNED ? 0 : TYPE_FLAG_UNSIGNED)), - "char", (struct objfile *) NULL); - builtin_type_true_char = - init_type (TYPE_CODE_CHAR, TARGET_CHAR_BIT / TARGET_CHAR_BIT, - 0, - "true character", (struct objfile *) NULL); - builtin_type_signed_char = - init_type (TYPE_CODE_INT, TARGET_CHAR_BIT / TARGET_CHAR_BIT, - 0, - "signed char", (struct objfile *) NULL); - builtin_type_unsigned_char = - init_type (TYPE_CODE_INT, TARGET_CHAR_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_UNSIGNED, - "unsigned char", (struct objfile *) NULL); - builtin_type_short = - init_type (TYPE_CODE_INT, TARGET_SHORT_BIT / TARGET_CHAR_BIT, - 0, - "short", (struct objfile *) NULL); - builtin_type_unsigned_short = - init_type (TYPE_CODE_INT, TARGET_SHORT_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_UNSIGNED, - "unsigned short", (struct objfile *) NULL); - builtin_type_int = - init_type (TYPE_CODE_INT, TARGET_INT_BIT / TARGET_CHAR_BIT, - 0, - "int", (struct objfile *) NULL); - builtin_type_unsigned_int = - init_type (TYPE_CODE_INT, TARGET_INT_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_UNSIGNED, - "unsigned int", (struct objfile *) NULL); - builtin_type_long = - init_type (TYPE_CODE_INT, TARGET_LONG_BIT / TARGET_CHAR_BIT, - 0, - "long", (struct objfile *) NULL); - builtin_type_unsigned_long = - init_type (TYPE_CODE_INT, TARGET_LONG_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_UNSIGNED, - "unsigned long", (struct objfile *) NULL); - builtin_type_long_long = - init_type (TYPE_CODE_INT, TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT, - 0, - "long long", (struct objfile *) NULL); - builtin_type_unsigned_long_long = - init_type (TYPE_CODE_INT, TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_UNSIGNED, - "unsigned long long", (struct objfile *) NULL); - builtin_type_float = - init_type (TYPE_CODE_FLT, TARGET_FLOAT_BIT / TARGET_CHAR_BIT, - 0, - "float", (struct objfile *) NULL); -/* vinschen@redhat.com 2002-02-08: - The below lines are disabled since they are doing the wrong - thing for non-multiarch targets. They are setting the correct - type of floats for the target but while on multiarch targets - this is done everytime the architecture changes, it's done on - non-multiarch targets only on startup, leaving the wrong values - in even if the architecture changes (eg. from big-endian to - little-endian). */ -#if 0 - TYPE_FLOATFORMAT (builtin_type_float) = TARGET_FLOAT_FORMAT; -#endif - builtin_type_double = - init_type (TYPE_CODE_FLT, TARGET_DOUBLE_BIT / TARGET_CHAR_BIT, - 0, - "double", (struct objfile *) NULL); -#if 0 - TYPE_FLOATFORMAT (builtin_type_double) = TARGET_DOUBLE_FORMAT; -#endif - builtin_type_long_double = - init_type (TYPE_CODE_FLT, TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT, - 0, - "long double", (struct objfile *) NULL); -#if 0 - TYPE_FLOATFORMAT (builtin_type_long_double) = TARGET_LONG_DOUBLE_FORMAT; -#endif - builtin_type_complex = - init_type (TYPE_CODE_COMPLEX, 2 * TARGET_FLOAT_BIT / TARGET_CHAR_BIT, - 0, - "complex", (struct objfile *) NULL); - TYPE_TARGET_TYPE (builtin_type_complex) = builtin_type_float; - builtin_type_double_complex = - init_type (TYPE_CODE_COMPLEX, 2 * TARGET_DOUBLE_BIT / TARGET_CHAR_BIT, - 0, - "double complex", (struct objfile *) NULL); - TYPE_TARGET_TYPE (builtin_type_double_complex) = builtin_type_double; - builtin_type_string = - init_type (TYPE_CODE_STRING, TARGET_CHAR_BIT / TARGET_CHAR_BIT, - 0, - "string", (struct objfile *) NULL); - builtin_type_int0 = - init_type (TYPE_CODE_INT, 0 / 8, - 0, - "int0_t", (struct objfile *) NULL); - builtin_type_int8 = - init_type (TYPE_CODE_INT, 8 / 8, - 0, - "int8_t", (struct objfile *) NULL); - builtin_type_uint8 = - init_type (TYPE_CODE_INT, 8 / 8, - TYPE_FLAG_UNSIGNED, - "uint8_t", (struct objfile *) NULL); - builtin_type_int16 = - init_type (TYPE_CODE_INT, 16 / 8, - 0, - "int16_t", (struct objfile *) NULL); - builtin_type_uint16 = - init_type (TYPE_CODE_INT, 16 / 8, - TYPE_FLAG_UNSIGNED, - "uint16_t", (struct objfile *) NULL); - builtin_type_int32 = - init_type (TYPE_CODE_INT, 32 / 8, - 0, - "int32_t", (struct objfile *) NULL); - builtin_type_uint32 = - init_type (TYPE_CODE_INT, 32 / 8, - TYPE_FLAG_UNSIGNED, - "uint32_t", (struct objfile *) NULL); - builtin_type_int64 = - init_type (TYPE_CODE_INT, 64 / 8, - 0, - "int64_t", (struct objfile *) NULL); - builtin_type_uint64 = - init_type (TYPE_CODE_INT, 64 / 8, - TYPE_FLAG_UNSIGNED, - "uint64_t", (struct objfile *) NULL); - builtin_type_int128 = - init_type (TYPE_CODE_INT, 128 / 8, - 0, - "int128_t", (struct objfile *) NULL); - builtin_type_uint128 = - init_type (TYPE_CODE_INT, 128 / 8, - TYPE_FLAG_UNSIGNED, - "uint128_t", (struct objfile *) NULL); - builtin_type_bool = - init_type (TYPE_CODE_BOOL, TARGET_CHAR_BIT / TARGET_CHAR_BIT, - 0, - "bool", (struct objfile *) NULL); - - /* Add user knob for controlling resolution of opaque types */ - add_show_from_set - (add_set_cmd ("opaque-type-resolution", class_support, var_boolean, (char *) &opaque_type_resolution, - "Set resolution of opaque struct/class/union types (if set before loading symbols).", - &setlist), - &showlist); - opaque_type_resolution = 1; - - /* Build SIMD types. */ - builtin_type_v4sf - = init_simd_type ("__builtin_v4sf", builtin_type_float, "f", 4); - builtin_type_v4si - = init_simd_type ("__builtin_v4si", builtin_type_int32, "f", 4); - builtin_type_v16qi - = init_simd_type ("__builtin_v16qi", builtin_type_int8, "f", 16); - builtin_type_v8qi - = init_simd_type ("__builtin_v8qi", builtin_type_int8, "f", 8); - builtin_type_v8hi - = init_simd_type ("__builtin_v8hi", builtin_type_int16, "f", 8); - builtin_type_v4hi - = init_simd_type ("__builtin_v4hi", builtin_type_int16, "f", 4); - builtin_type_v2si - = init_simd_type ("__builtin_v2si", builtin_type_int32, "f", 2); - - /* 128 bit vectors. */ - builtin_type_v2_double = init_vector_type (builtin_type_double, 2); - builtin_type_v4_float = init_vector_type (builtin_type_float, 4); - builtin_type_v2_int64 = init_vector_type (builtin_type_int64, 2); - builtin_type_v4_int32 = init_vector_type (builtin_type_int32, 4); - builtin_type_v8_int16 = init_vector_type (builtin_type_int16, 8); - builtin_type_v16_int8 = init_vector_type (builtin_type_int8, 16); - /* 64 bit vectors. */ - builtin_type_v2_float = init_vector_type (builtin_type_float, 2); - builtin_type_v2_int32 = init_vector_type (builtin_type_int32, 2); - builtin_type_v4_int16 = init_vector_type (builtin_type_int16, 4); - builtin_type_v8_int8 = init_vector_type (builtin_type_int8, 8); - - /* Vector types. */ - builtin_type_vec64 = build_builtin_type_vec64 (); - builtin_type_vec64i = build_builtin_type_vec64i (); - builtin_type_vec128 = build_builtin_type_vec128 (); - builtin_type_vec128i = build_builtin_type_vec128i (); - - /* Pointer/Address types. */ +/* Trivial helpers for the libiberty hash table, for mapping one + type to another. */ + +struct type_pair +{ + struct type *old, *new; +}; + +static hashval_t +type_pair_hash (const void *item) +{ + const struct type_pair *pair = item; + return htab_hash_pointer (pair->old); +} + +static int +type_pair_eq (const void *item_lhs, const void *item_rhs) +{ + const struct type_pair *lhs = item_lhs, *rhs = item_rhs; + return lhs->old == rhs->old; +} + +/* Allocate the hash table used by copy_type_recursive to walk + types without duplicates. We use OBJFILE's obstack, because + OBJFILE is about to be deleted. */ + +htab_t +create_copied_types_hash (struct objfile *objfile) +{ + return htab_create_alloc_ex (1, type_pair_hash, type_pair_eq, + NULL, &objfile->objfile_obstack, + hashtab_obstack_allocate, + dummy_obstack_deallocate); +} + +/* Recursively copy (deep copy) TYPE, if it is associated with + OBJFILE. Return a new type allocated using malloc, a saved type if + we have already visited TYPE (using COPIED_TYPES), or TYPE if it is + not associated with OBJFILE. */ + +struct type * +copy_type_recursive (struct objfile *objfile, + struct type *type, + htab_t copied_types) +{ + struct type_pair *stored, pair; + void **slot; + struct type *new_type; + + if (! TYPE_OBJFILE_OWNED (type)) + return type; + + /* This type shouldn't be pointing to any types in other objfiles; + if it did, the type might disappear unexpectedly. */ + gdb_assert (TYPE_OBJFILE (type) == objfile); + + pair.old = type; + slot = htab_find_slot (copied_types, &pair, INSERT); + if (*slot != NULL) + return ((struct type_pair *) *slot)->new; + + new_type = alloc_type_arch (get_type_arch (type)); + + /* We must add the new type to the hash table immediately, in case + we encounter this type again during a recursive call below. */ + stored = obstack_alloc (&objfile->objfile_obstack, sizeof (struct type_pair)); + stored->old = type; + stored->new = new_type; + *slot = stored; + + /* Copy the common fields of types. For the main type, we simply + copy the entire thing and then update specific fields as needed. */ + *TYPE_MAIN_TYPE (new_type) = *TYPE_MAIN_TYPE (type); + TYPE_OBJFILE_OWNED (new_type) = 0; + TYPE_OWNER (new_type).gdbarch = get_type_arch (type); + + if (TYPE_NAME (type)) + TYPE_NAME (new_type) = xstrdup (TYPE_NAME (type)); + if (TYPE_TAG_NAME (type)) + TYPE_TAG_NAME (new_type) = xstrdup (TYPE_TAG_NAME (type)); + + TYPE_INSTANCE_FLAGS (new_type) = TYPE_INSTANCE_FLAGS (type); + TYPE_LENGTH (new_type) = TYPE_LENGTH (type); + + /* Copy the fields. */ + if (TYPE_NFIELDS (type)) + { + int i, nfields; + + nfields = TYPE_NFIELDS (type); + TYPE_FIELDS (new_type) = XCALLOC (nfields, struct field); + for (i = 0; i < nfields; i++) + { + TYPE_FIELD_ARTIFICIAL (new_type, i) = + TYPE_FIELD_ARTIFICIAL (type, i); + TYPE_FIELD_BITSIZE (new_type, i) = TYPE_FIELD_BITSIZE (type, i); + if (TYPE_FIELD_TYPE (type, i)) + TYPE_FIELD_TYPE (new_type, i) + = copy_type_recursive (objfile, TYPE_FIELD_TYPE (type, i), + copied_types); + if (TYPE_FIELD_NAME (type, i)) + TYPE_FIELD_NAME (new_type, i) = + xstrdup (TYPE_FIELD_NAME (type, i)); + switch (TYPE_FIELD_LOC_KIND (type, i)) + { + case FIELD_LOC_KIND_BITPOS: + SET_FIELD_BITPOS (TYPE_FIELD (new_type, i), + TYPE_FIELD_BITPOS (type, i)); + break; + case FIELD_LOC_KIND_PHYSADDR: + SET_FIELD_PHYSADDR (TYPE_FIELD (new_type, i), + TYPE_FIELD_STATIC_PHYSADDR (type, i)); + break; + case FIELD_LOC_KIND_PHYSNAME: + SET_FIELD_PHYSNAME (TYPE_FIELD (new_type, i), + xstrdup (TYPE_FIELD_STATIC_PHYSNAME (type, + i))); + break; + default: + internal_error (__FILE__, __LINE__, + _("Unexpected type field location kind: %d"), + TYPE_FIELD_LOC_KIND (type, i)); + } + } + } + + /* Copy pointers to other types. */ + if (TYPE_TARGET_TYPE (type)) + TYPE_TARGET_TYPE (new_type) = + copy_type_recursive (objfile, + TYPE_TARGET_TYPE (type), + copied_types); + if (TYPE_VPTR_BASETYPE (type)) + TYPE_VPTR_BASETYPE (new_type) = + copy_type_recursive (objfile, + TYPE_VPTR_BASETYPE (type), + copied_types); + /* Maybe copy the type_specific bits. + + NOTE drow/2005-12-09: We do not copy the C++-specific bits like + base classes and methods. There's no fundamental reason why we + can't, but at the moment it is not needed. */ + + if (TYPE_CODE (type) == TYPE_CODE_FLT) + TYPE_FLOATFORMAT (new_type) = TYPE_FLOATFORMAT (type); + else if (TYPE_CODE (type) == TYPE_CODE_STRUCT + || TYPE_CODE (type) == TYPE_CODE_UNION + || TYPE_CODE (type) == TYPE_CODE_TEMPLATE + || TYPE_CODE (type) == TYPE_CODE_NAMESPACE) + INIT_CPLUS_SPECIFIC (new_type); + + return new_type; +} + +/* Make a copy of the given TYPE, except that the pointer & reference + types are not preserved. + + This function assumes that the given type has an associated objfile. + This objfile is used to allocate the new type. */ + +struct type * +copy_type (const struct type *type) +{ + struct type *new_type; + + gdb_assert (TYPE_OBJFILE_OWNED (type)); + + new_type = alloc_type_copy (type); + TYPE_INSTANCE_FLAGS (new_type) = TYPE_INSTANCE_FLAGS (type); + TYPE_LENGTH (new_type) = TYPE_LENGTH (type); + memcpy (TYPE_MAIN_TYPE (new_type), TYPE_MAIN_TYPE (type), + sizeof (struct main_type)); + + return new_type; +} + + +/* Helper functions to initialize architecture-specific types. */ + +/* Allocate a type structure associated with GDBARCH and set its + CODE, LENGTH, and NAME fields. */ +struct type * +arch_type (struct gdbarch *gdbarch, + enum type_code code, int length, char *name) +{ + struct type *type; + + type = alloc_type_arch (gdbarch); + TYPE_CODE (type) = code; + TYPE_LENGTH (type) = length; + + if (name) + TYPE_NAME (type) = xstrdup (name); + + return type; +} + +/* Allocate a TYPE_CODE_INT type structure associated with GDBARCH. + BIT is the type size in bits. If UNSIGNED_P is non-zero, set + the type's TYPE_UNSIGNED flag. NAME is the type name. */ +struct type * +arch_integer_type (struct gdbarch *gdbarch, + int bit, int unsigned_p, char *name) +{ + struct type *t; + + t = arch_type (gdbarch, TYPE_CODE_INT, bit / TARGET_CHAR_BIT, name); + if (unsigned_p) + TYPE_UNSIGNED (t) = 1; + if (name && strcmp (name, "char") == 0) + TYPE_NOSIGN (t) = 1; + + return t; +} + +/* Allocate a TYPE_CODE_CHAR type structure associated with GDBARCH. + BIT is the type size in bits. If UNSIGNED_P is non-zero, set + the type's TYPE_UNSIGNED flag. NAME is the type name. */ +struct type * +arch_character_type (struct gdbarch *gdbarch, + int bit, int unsigned_p, char *name) +{ + struct type *t; + + t = arch_type (gdbarch, TYPE_CODE_CHAR, bit / TARGET_CHAR_BIT, name); + if (unsigned_p) + TYPE_UNSIGNED (t) = 1; + + return t; +} + +/* Allocate a TYPE_CODE_BOOL type structure associated with GDBARCH. + BIT is the type size in bits. If UNSIGNED_P is non-zero, set + the type's TYPE_UNSIGNED flag. NAME is the type name. */ +struct type * +arch_boolean_type (struct gdbarch *gdbarch, + int bit, int unsigned_p, char *name) +{ + struct type *t; + + t = arch_type (gdbarch, TYPE_CODE_BOOL, bit / TARGET_CHAR_BIT, name); + if (unsigned_p) + TYPE_UNSIGNED (t) = 1; + + return t; +} + +/* Allocate a TYPE_CODE_FLT type structure associated with GDBARCH. + BIT is the type size in bits; if BIT equals -1, the size is + determined by the floatformat. NAME is the type name. Set the + TYPE_FLOATFORMAT from FLOATFORMATS. */ +struct type * +arch_float_type (struct gdbarch *gdbarch, + int bit, char *name, const struct floatformat **floatformats) +{ + struct type *t; + + if (bit == -1) + { + gdb_assert (floatformats != NULL); + gdb_assert (floatformats[0] != NULL && floatformats[1] != NULL); + bit = floatformats[0]->totalsize; + } + gdb_assert (bit >= 0); + + t = arch_type (gdbarch, TYPE_CODE_FLT, bit / TARGET_CHAR_BIT, name); + TYPE_FLOATFORMAT (t) = floatformats; + return t; +} + +/* Allocate a TYPE_CODE_COMPLEX type structure associated with GDBARCH. + NAME is the type name. TARGET_TYPE is the component float type. */ +struct type * +arch_complex_type (struct gdbarch *gdbarch, + char *name, struct type *target_type) +{ + struct type *t; + t = arch_type (gdbarch, TYPE_CODE_COMPLEX, + 2 * TYPE_LENGTH (target_type), name); + TYPE_TARGET_TYPE (t) = target_type; + return t; +} + +/* Allocate a TYPE_CODE_FLAGS type structure associated with GDBARCH. + NAME is the type name. LENGTH is the number of flag bits. */ +struct type * +arch_flags_type (struct gdbarch *gdbarch, char *name, int length) +{ + int nfields = length * TARGET_CHAR_BIT; + struct type *type; + + type = arch_type (gdbarch, TYPE_CODE_FLAGS, length, name); + TYPE_UNSIGNED (type) = 1; + TYPE_NFIELDS (type) = nfields; + TYPE_FIELDS (type) = TYPE_ZALLOC (type, nfields * sizeof (struct field)); + + return type; +} + +/* Add field to TYPE_CODE_FLAGS type TYPE to indicate the bit at + position BITPOS is called NAME. */ +void +append_flags_type_flag (struct type *type, int bitpos, char *name) +{ + gdb_assert (TYPE_CODE (type) == TYPE_CODE_FLAGS); + gdb_assert (bitpos < TYPE_NFIELDS (type)); + gdb_assert (bitpos >= 0); + + if (name) + { + TYPE_FIELD_NAME (type, bitpos) = xstrdup (name); + TYPE_FIELD_BITPOS (type, bitpos) = bitpos; + } + else + { + /* Don't show this field to the user. */ + TYPE_FIELD_BITPOS (type, bitpos) = -1; + } +} + +/* Allocate a TYPE_CODE_STRUCT or TYPE_CODE_UNION type structure (as + specified by CODE) associated with GDBARCH. NAME is the type name. */ +struct type * +arch_composite_type (struct gdbarch *gdbarch, char *name, enum type_code code) +{ + struct type *t; + gdb_assert (code == TYPE_CODE_STRUCT || code == TYPE_CODE_UNION); + t = arch_type (gdbarch, code, 0, NULL); + TYPE_TAG_NAME (t) = name; + INIT_CPLUS_SPECIFIC (t); + return t; +} + +/* Add new field with name NAME and type FIELD to composite type T. + ALIGNMENT (if non-zero) specifies the minimum field alignment. */ +void +append_composite_type_field_aligned (struct type *t, char *name, + struct type *field, int alignment) +{ + struct field *f; + TYPE_NFIELDS (t) = TYPE_NFIELDS (t) + 1; + TYPE_FIELDS (t) = xrealloc (TYPE_FIELDS (t), + sizeof (struct field) * TYPE_NFIELDS (t)); + f = &(TYPE_FIELDS (t)[TYPE_NFIELDS (t) - 1]); + memset (f, 0, sizeof f[0]); + FIELD_TYPE (f[0]) = field; + FIELD_NAME (f[0]) = name; + if (TYPE_CODE (t) == TYPE_CODE_UNION) + { + if (TYPE_LENGTH (t) < TYPE_LENGTH (field)) + TYPE_LENGTH (t) = TYPE_LENGTH (field); + } + else if (TYPE_CODE (t) == TYPE_CODE_STRUCT) + { + TYPE_LENGTH (t) = TYPE_LENGTH (t) + TYPE_LENGTH (field); + if (TYPE_NFIELDS (t) > 1) + { + FIELD_BITPOS (f[0]) = (FIELD_BITPOS (f[-1]) + + (TYPE_LENGTH (FIELD_TYPE (f[-1])) + * TARGET_CHAR_BIT)); + + if (alignment) + { + int left = FIELD_BITPOS (f[0]) % (alignment * TARGET_CHAR_BIT); + if (left) + { + FIELD_BITPOS (f[0]) += left; + TYPE_LENGTH (t) += left / TARGET_CHAR_BIT; + } + } + } + } +} + +/* Add new field with name NAME and type FIELD to composite type T. */ +void +append_composite_type_field (struct type *t, char *name, + struct type *field) +{ + append_composite_type_field_aligned (t, name, field, 0); +} + + +static struct gdbarch_data *gdbtypes_data; + +const struct builtin_type * +builtin_type (struct gdbarch *gdbarch) +{ + return gdbarch_data (gdbarch, gdbtypes_data); +} + +static void * +gdbtypes_post_init (struct gdbarch *gdbarch) +{ + struct builtin_type *builtin_type + = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct builtin_type); + + /* Basic types. */ + builtin_type->builtin_void + = arch_type (gdbarch, TYPE_CODE_VOID, 1, "void"); + builtin_type->builtin_char + = arch_integer_type (gdbarch, TARGET_CHAR_BIT, + !gdbarch_char_signed (gdbarch), "char"); + builtin_type->builtin_signed_char + = arch_integer_type (gdbarch, TARGET_CHAR_BIT, + 0, "signed char"); + builtin_type->builtin_unsigned_char + = arch_integer_type (gdbarch, TARGET_CHAR_BIT, + 1, "unsigned char"); + builtin_type->builtin_short + = arch_integer_type (gdbarch, gdbarch_short_bit (gdbarch), + 0, "short"); + builtin_type->builtin_unsigned_short + = arch_integer_type (gdbarch, gdbarch_short_bit (gdbarch), + 1, "unsigned short"); + builtin_type->builtin_int + = arch_integer_type (gdbarch, gdbarch_int_bit (gdbarch), + 0, "int"); + builtin_type->builtin_unsigned_int + = arch_integer_type (gdbarch, gdbarch_int_bit (gdbarch), + 1, "unsigned int"); + builtin_type->builtin_long + = arch_integer_type (gdbarch, gdbarch_long_bit (gdbarch), + 0, "long"); + builtin_type->builtin_unsigned_long + = arch_integer_type (gdbarch, gdbarch_long_bit (gdbarch), + 1, "unsigned long"); + builtin_type->builtin_long_long + = arch_integer_type (gdbarch, gdbarch_long_long_bit (gdbarch), + 0, "long long"); + builtin_type->builtin_unsigned_long_long + = arch_integer_type (gdbarch, gdbarch_long_long_bit (gdbarch), + 1, "unsigned long long"); + builtin_type->builtin_float + = arch_float_type (gdbarch, gdbarch_float_bit (gdbarch), + "float", gdbarch_float_format (gdbarch)); + builtin_type->builtin_double + = arch_float_type (gdbarch, gdbarch_double_bit (gdbarch), + "double", gdbarch_double_format (gdbarch)); + builtin_type->builtin_long_double + = arch_float_type (gdbarch, gdbarch_long_double_bit (gdbarch), + "long double", gdbarch_long_double_format (gdbarch)); + builtin_type->builtin_complex + = arch_complex_type (gdbarch, "complex", + builtin_type->builtin_float); + builtin_type->builtin_double_complex + = arch_complex_type (gdbarch, "double complex", + builtin_type->builtin_double); + builtin_type->builtin_string + = arch_type (gdbarch, TYPE_CODE_STRING, 1, "string"); + builtin_type->builtin_bool + = arch_type (gdbarch, TYPE_CODE_BOOL, 1, "bool"); + + /* The following three are about decimal floating point types, which + are 32-bits, 64-bits and 128-bits respectively. */ + builtin_type->builtin_decfloat + = arch_type (gdbarch, TYPE_CODE_DECFLOAT, 32 / 8, "_Decimal32"); + builtin_type->builtin_decdouble + = arch_type (gdbarch, TYPE_CODE_DECFLOAT, 64 / 8, "_Decimal64"); + builtin_type->builtin_declong + = arch_type (gdbarch, TYPE_CODE_DECFLOAT, 128 / 8, "_Decimal128"); + + /* "True" character types. */ + builtin_type->builtin_true_char + = arch_character_type (gdbarch, TARGET_CHAR_BIT, 0, "true character"); + builtin_type->builtin_true_unsigned_char + = arch_character_type (gdbarch, TARGET_CHAR_BIT, 1, "true character"); + + /* Fixed-size integer types. */ + builtin_type->builtin_int0 + = arch_integer_type (gdbarch, 0, 0, "int0_t"); + builtin_type->builtin_int8 + = arch_integer_type (gdbarch, 8, 0, "int8_t"); + builtin_type->builtin_uint8 + = arch_integer_type (gdbarch, 8, 1, "uint8_t"); + builtin_type->builtin_int16 + = arch_integer_type (gdbarch, 16, 0, "int16_t"); + builtin_type->builtin_uint16 + = arch_integer_type (gdbarch, 16, 1, "uint16_t"); + builtin_type->builtin_int32 + = arch_integer_type (gdbarch, 32, 0, "int32_t"); + builtin_type->builtin_uint32 + = arch_integer_type (gdbarch, 32, 1, "uint32_t"); + builtin_type->builtin_int64 + = arch_integer_type (gdbarch, 64, 0, "int64_t"); + builtin_type->builtin_uint64 + = arch_integer_type (gdbarch, 64, 1, "uint64_t"); + builtin_type->builtin_int128 + = arch_integer_type (gdbarch, 128, 0, "int128_t"); + builtin_type->builtin_uint128 + = arch_integer_type (gdbarch, 128, 1, "uint128_t"); + TYPE_NOTTEXT (builtin_type->builtin_int8) = 1; + TYPE_NOTTEXT (builtin_type->builtin_uint8) = 1; + + /* Default data/code pointer types. */ + builtin_type->builtin_data_ptr + = lookup_pointer_type (builtin_type->builtin_void); + builtin_type->builtin_func_ptr + = lookup_pointer_type (lookup_function_type (builtin_type->builtin_void)); + + /* This type represents a GDB internal function. */ + builtin_type->internal_fn + = arch_type (gdbarch, TYPE_CODE_INTERNAL_FUNCTION, 0, + ""); + + return builtin_type; +} + + +/* This set of objfile-based types is intended to be used by symbol + readers as basic types. */ + +static const struct objfile_data *objfile_type_data; + +const struct objfile_type * +objfile_type (struct objfile *objfile) +{ + struct gdbarch *gdbarch; + struct objfile_type *objfile_type + = objfile_data (objfile, objfile_type_data); + + if (objfile_type) + return objfile_type; + + objfile_type = OBSTACK_CALLOC (&objfile->objfile_obstack, + 1, struct objfile_type); + + /* Use the objfile architecture to determine basic type properties. */ + gdbarch = get_objfile_arch (objfile); + + /* Basic types. */ + objfile_type->builtin_void + = init_type (TYPE_CODE_VOID, 1, + 0, + "void", objfile); + + objfile_type->builtin_char + = init_type (TYPE_CODE_INT, TARGET_CHAR_BIT / TARGET_CHAR_BIT, + (TYPE_FLAG_NOSIGN + | (gdbarch_char_signed (gdbarch) ? 0 : TYPE_FLAG_UNSIGNED)), + "char", objfile); + objfile_type->builtin_signed_char + = init_type (TYPE_CODE_INT, TARGET_CHAR_BIT / TARGET_CHAR_BIT, + 0, + "signed char", objfile); + objfile_type->builtin_unsigned_char + = init_type (TYPE_CODE_INT, TARGET_CHAR_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_UNSIGNED, + "unsigned char", objfile); + objfile_type->builtin_short + = init_type (TYPE_CODE_INT, + gdbarch_short_bit (gdbarch) / TARGET_CHAR_BIT, + 0, "short", objfile); + objfile_type->builtin_unsigned_short + = init_type (TYPE_CODE_INT, + gdbarch_short_bit (gdbarch) / TARGET_CHAR_BIT, + TYPE_FLAG_UNSIGNED, "unsigned short", objfile); + objfile_type->builtin_int + = init_type (TYPE_CODE_INT, + gdbarch_int_bit (gdbarch) / TARGET_CHAR_BIT, + 0, "int", objfile); + objfile_type->builtin_unsigned_int + = init_type (TYPE_CODE_INT, + gdbarch_int_bit (gdbarch) / TARGET_CHAR_BIT, + TYPE_FLAG_UNSIGNED, "unsigned int", objfile); + objfile_type->builtin_long + = init_type (TYPE_CODE_INT, + gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT, + 0, "long", objfile); + objfile_type->builtin_unsigned_long + = init_type (TYPE_CODE_INT, + gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT, + TYPE_FLAG_UNSIGNED, "unsigned long", objfile); + objfile_type->builtin_long_long + = init_type (TYPE_CODE_INT, + gdbarch_long_long_bit (gdbarch) / TARGET_CHAR_BIT, + 0, "long long", objfile); + objfile_type->builtin_unsigned_long_long + = init_type (TYPE_CODE_INT, + gdbarch_long_long_bit (gdbarch) / TARGET_CHAR_BIT, + TYPE_FLAG_UNSIGNED, "unsigned long long", objfile); + + objfile_type->builtin_float + = init_type (TYPE_CODE_FLT, + gdbarch_float_bit (gdbarch) / TARGET_CHAR_BIT, + 0, "float", objfile); + TYPE_FLOATFORMAT (objfile_type->builtin_float) + = gdbarch_float_format (gdbarch); + objfile_type->builtin_double + = init_type (TYPE_CODE_FLT, + gdbarch_double_bit (gdbarch) / TARGET_CHAR_BIT, + 0, "double", objfile); + TYPE_FLOATFORMAT (objfile_type->builtin_double) + = gdbarch_double_format (gdbarch); + objfile_type->builtin_long_double + = init_type (TYPE_CODE_FLT, + gdbarch_long_double_bit (gdbarch) / TARGET_CHAR_BIT, + 0, "long double", objfile); + TYPE_FLOATFORMAT (objfile_type->builtin_long_double) + = gdbarch_long_double_format (gdbarch); + + /* This type represents a type that was unrecognized in symbol read-in. */ + objfile_type->builtin_error + = init_type (TYPE_CODE_ERROR, 0, 0, "", objfile); + + /* The following set of types is used for symbols with no + debug information. */ + objfile_type->nodebug_text_symbol + = init_type (TYPE_CODE_FUNC, 1, 0, + "", objfile); + TYPE_TARGET_TYPE (objfile_type->nodebug_text_symbol) + = objfile_type->builtin_int; + objfile_type->nodebug_data_symbol + = init_type (TYPE_CODE_INT, + gdbarch_int_bit (gdbarch) / HOST_CHAR_BIT, 0, + "", objfile); + objfile_type->nodebug_unknown_symbol + = init_type (TYPE_CODE_INT, 1, 0, + "", objfile); + objfile_type->nodebug_tls_symbol + = init_type (TYPE_CODE_INT, + gdbarch_int_bit (gdbarch) / HOST_CHAR_BIT, 0, + "", objfile); /* NOTE: on some targets, addresses and pointers are not necessarily the same --- for example, on the D10V, pointers are 16 bits long, @@ -3338,157 +3443,42 @@ build_gdbtypes (void) - If p is a D10V pointer type, TYPE_LENGTH (p) == 2, just as sizeof (void *) == 2 on the target. - In this context, builtin_type_CORE_ADDR is a bit odd: it's a - target type for a value the target will never see. It's only - used to hold the values of (typeless) linker symbols, which are - indeed in the unified virtual address space. */ - builtin_type_void_data_ptr = make_pointer_type (builtin_type_void, NULL); - builtin_type_void_func_ptr - = lookup_pointer_type (lookup_function_type (builtin_type_void)); - builtin_type_CORE_ADDR = - init_type (TYPE_CODE_INT, TARGET_ADDR_BIT / 8, - TYPE_FLAG_UNSIGNED, - "__CORE_ADDR", (struct objfile *) NULL); - builtin_type_bfd_vma = - init_type (TYPE_CODE_INT, TARGET_BFD_VMA_BIT / 8, - TYPE_FLAG_UNSIGNED, - "__bfd_vma", (struct objfile *) NULL); + In this context, objfile_type->builtin_core_addr is a bit odd: + it's a target type for a value the target will never see. It's + only used to hold the values of (typeless) linker symbols, which + are indeed in the unified virtual address space. */ + + objfile_type->builtin_core_addr + = init_type (TYPE_CODE_INT, + gdbarch_addr_bit (gdbarch) / 8, + TYPE_FLAG_UNSIGNED, "__CORE_ADDR", objfile); + + set_objfile_data (objfile, objfile_type_data, objfile_type); + return objfile_type; } + extern void _initialize_gdbtypes (void); void _initialize_gdbtypes (void) { - struct cmd_list_element *c; - build_gdbtypes (); - - /* FIXME - For the moment, handle types by swapping them in and out. - Should be using the per-architecture data-pointer and a large - struct. */ - register_gdbarch_swap (&builtin_type_void, sizeof (struct type *), NULL); - register_gdbarch_swap (&builtin_type_char, sizeof (struct type *), NULL); - register_gdbarch_swap (&builtin_type_short, sizeof (struct type *), NULL); - register_gdbarch_swap (&builtin_type_int, sizeof (struct type *), NULL); - register_gdbarch_swap (&builtin_type_long, sizeof (struct type *), NULL); - register_gdbarch_swap (&builtin_type_long_long, sizeof (struct type *), NULL); - register_gdbarch_swap (&builtin_type_signed_char, sizeof (struct type *), NULL); - register_gdbarch_swap (&builtin_type_unsigned_char, sizeof (struct type *), NULL); - register_gdbarch_swap (&builtin_type_unsigned_short, sizeof (struct type *), NULL); - register_gdbarch_swap (&builtin_type_unsigned_int, sizeof (struct type *), NULL); - register_gdbarch_swap (&builtin_type_unsigned_long, sizeof (struct type *), NULL); - register_gdbarch_swap (&builtin_type_unsigned_long_long, sizeof (struct type *), NULL); - register_gdbarch_swap (&builtin_type_float, sizeof (struct type *), NULL); - register_gdbarch_swap (&builtin_type_double, sizeof (struct type *), NULL); - register_gdbarch_swap (&builtin_type_long_double, sizeof (struct type *), NULL); - register_gdbarch_swap (&builtin_type_complex, sizeof (struct type *), NULL); - register_gdbarch_swap (&builtin_type_double_complex, sizeof (struct type *), NULL); - register_gdbarch_swap (&builtin_type_string, sizeof (struct type *), NULL); - register_gdbarch_swap (&builtin_type_int8, sizeof (struct type *), NULL); - register_gdbarch_swap (&builtin_type_uint8, sizeof (struct type *), NULL); - register_gdbarch_swap (&builtin_type_int16, sizeof (struct type *), NULL); - register_gdbarch_swap (&builtin_type_uint16, sizeof (struct type *), NULL); - register_gdbarch_swap (&builtin_type_int32, sizeof (struct type *), NULL); - register_gdbarch_swap (&builtin_type_uint32, sizeof (struct type *), NULL); - register_gdbarch_swap (&builtin_type_int64, sizeof (struct type *), NULL); - register_gdbarch_swap (&builtin_type_uint64, sizeof (struct type *), NULL); - register_gdbarch_swap (&builtin_type_int128, sizeof (struct type *), NULL); - register_gdbarch_swap (&builtin_type_uint128, sizeof (struct type *), NULL); - register_gdbarch_swap (&builtin_type_v4sf, sizeof (struct type *), NULL); - register_gdbarch_swap (&builtin_type_v4si, sizeof (struct type *), NULL); - register_gdbarch_swap (&builtin_type_v16qi, sizeof (struct type *), NULL); - register_gdbarch_swap (&builtin_type_v8qi, sizeof (struct type *), NULL); - register_gdbarch_swap (&builtin_type_v8hi, sizeof (struct type *), NULL); - register_gdbarch_swap (&builtin_type_v4hi, sizeof (struct type *), NULL); - register_gdbarch_swap (&builtin_type_v2si, sizeof (struct type *), NULL); - register_gdbarch_swap (&builtin_type_v2_double, sizeof (struct type *), NULL); - register_gdbarch_swap (&builtin_type_v4_float, sizeof (struct type *), NULL); - register_gdbarch_swap (&builtin_type_v2_int64, sizeof (struct type *), NULL); - register_gdbarch_swap (&builtin_type_v4_int32, sizeof (struct type *), NULL); - register_gdbarch_swap (&builtin_type_v8_int16, sizeof (struct type *), NULL); - register_gdbarch_swap (&builtin_type_v16_int8, sizeof (struct type *), NULL); - register_gdbarch_swap (&builtin_type_v2_float, sizeof (struct type *), NULL); - register_gdbarch_swap (&builtin_type_v2_int32, sizeof (struct type *), NULL); - register_gdbarch_swap (&builtin_type_v8_int8, sizeof (struct type *), NULL); - register_gdbarch_swap (&builtin_type_v4_int16, sizeof (struct type *), NULL); - register_gdbarch_swap (&builtin_type_vec128, sizeof (struct type *), NULL); - register_gdbarch_swap (&builtin_type_vec128i, sizeof (struct type *), NULL); - REGISTER_GDBARCH_SWAP (builtin_type_void_data_ptr); - REGISTER_GDBARCH_SWAP (builtin_type_void_func_ptr); - REGISTER_GDBARCH_SWAP (builtin_type_CORE_ADDR); - REGISTER_GDBARCH_SWAP (builtin_type_bfd_vma); - register_gdbarch_swap (NULL, 0, build_gdbtypes); - - /* Note: These types do not need to be swapped - they are target - neutral. */ - builtin_type_ieee_single_big = - init_type (TYPE_CODE_FLT, floatformat_ieee_single_big.totalsize / 8, - 0, "builtin_type_ieee_single_big", NULL); - TYPE_FLOATFORMAT (builtin_type_ieee_single_big) = &floatformat_ieee_single_big; - builtin_type_ieee_single_little = - init_type (TYPE_CODE_FLT, floatformat_ieee_single_little.totalsize / 8, - 0, "builtin_type_ieee_single_little", NULL); - TYPE_FLOATFORMAT (builtin_type_ieee_single_little) = &floatformat_ieee_single_little; - builtin_type_ieee_double_big = - init_type (TYPE_CODE_FLT, floatformat_ieee_double_big.totalsize / 8, - 0, "builtin_type_ieee_double_big", NULL); - TYPE_FLOATFORMAT (builtin_type_ieee_double_big) = &floatformat_ieee_double_big; - builtin_type_ieee_double_little = - init_type (TYPE_CODE_FLT, floatformat_ieee_double_little.totalsize / 8, - 0, "builtin_type_ieee_double_little", NULL); - TYPE_FLOATFORMAT (builtin_type_ieee_double_little) = &floatformat_ieee_double_little; - builtin_type_ieee_double_littlebyte_bigword = - init_type (TYPE_CODE_FLT, floatformat_ieee_double_littlebyte_bigword.totalsize / 8, - 0, "builtin_type_ieee_double_littlebyte_bigword", NULL); - TYPE_FLOATFORMAT (builtin_type_ieee_double_littlebyte_bigword) = &floatformat_ieee_double_littlebyte_bigword; - builtin_type_i387_ext = - init_type (TYPE_CODE_FLT, floatformat_i387_ext.totalsize / 8, - 0, "builtin_type_i387_ext", NULL); - TYPE_FLOATFORMAT (builtin_type_i387_ext) = &floatformat_i387_ext; - builtin_type_m68881_ext = - init_type (TYPE_CODE_FLT, floatformat_m68881_ext.totalsize / 8, - 0, "builtin_type_m68881_ext", NULL); - TYPE_FLOATFORMAT (builtin_type_m68881_ext) = &floatformat_m68881_ext; - builtin_type_i960_ext = - init_type (TYPE_CODE_FLT, floatformat_i960_ext.totalsize / 8, - 0, "builtin_type_i960_ext", NULL); - TYPE_FLOATFORMAT (builtin_type_i960_ext) = &floatformat_i960_ext; - builtin_type_m88110_ext = - init_type (TYPE_CODE_FLT, floatformat_m88110_ext.totalsize / 8, - 0, "builtin_type_m88110_ext", NULL); - TYPE_FLOATFORMAT (builtin_type_m88110_ext) = &floatformat_m88110_ext; - builtin_type_m88110_harris_ext = - init_type (TYPE_CODE_FLT, floatformat_m88110_harris_ext.totalsize / 8, - 0, "builtin_type_m88110_harris_ext", NULL); - TYPE_FLOATFORMAT (builtin_type_m88110_harris_ext) = &floatformat_m88110_harris_ext; - builtin_type_arm_ext_big = - init_type (TYPE_CODE_FLT, floatformat_arm_ext_big.totalsize / 8, - 0, "builtin_type_arm_ext_big", NULL); - TYPE_FLOATFORMAT (builtin_type_arm_ext_big) = &floatformat_arm_ext_big; - builtin_type_arm_ext_littlebyte_bigword = - init_type (TYPE_CODE_FLT, floatformat_arm_ext_littlebyte_bigword.totalsize / 8, - 0, "builtin_type_arm_ext_littlebyte_bigword", NULL); - TYPE_FLOATFORMAT (builtin_type_arm_ext_littlebyte_bigword) = &floatformat_arm_ext_littlebyte_bigword; - builtin_type_ia64_spill_big = - init_type (TYPE_CODE_FLT, floatformat_ia64_spill_big.totalsize / 8, - 0, "builtin_type_ia64_spill_big", NULL); - TYPE_FLOATFORMAT (builtin_type_ia64_spill_big) = &floatformat_ia64_spill_big; - builtin_type_ia64_spill_little = - init_type (TYPE_CODE_FLT, floatformat_ia64_spill_little.totalsize / 8, - 0, "builtin_type_ia64_spill_little", NULL); - TYPE_FLOATFORMAT (builtin_type_ia64_spill_little) = &floatformat_ia64_spill_little; - builtin_type_ia64_quad_big = - init_type (TYPE_CODE_FLT, floatformat_ia64_quad_big.totalsize / 8, - 0, "builtin_type_ia64_quad_big", NULL); - TYPE_FLOATFORMAT (builtin_type_ia64_quad_big) = &floatformat_ia64_quad_big; - builtin_type_ia64_quad_little = - init_type (TYPE_CODE_FLT, floatformat_ia64_quad_little.totalsize / 8, - 0, "builtin_type_ia64_quad_little", NULL); - TYPE_FLOATFORMAT (builtin_type_ia64_quad_little) = &floatformat_ia64_quad_little; - - add_show_from_set ( - add_set_cmd ("overload", no_class, var_zinteger, (char *) &overload_debug, - "Set debugging of C++ overloading.\n\ - When enabled, ranking of the functions\n\ - is displayed.", &setdebuglist), - &showdebuglist); + gdbtypes_data = gdbarch_data_register_post_init (gdbtypes_post_init); + objfile_type_data = register_objfile_data (); + + add_setshow_zinteger_cmd ("overload", no_class, &overload_debug, _("\ +Set debugging of C++ overloading."), _("\ +Show debugging of C++ overloading."), _("\ +When enabled, ranking of the functions is displayed."), + NULL, + show_overload_debug, + &setdebuglist, &showdebuglist); + + /* Add user knob for controlling resolution of opaque types. */ + add_setshow_boolean_cmd ("opaque-type-resolution", class_support, + &opaque_type_resolution, _("\ +Set resolution of opaque struct/class/union types (if set before loading symbols)."), _("\ +Show resolution of opaque struct/class/union types (if set before loading symbols)."), NULL, + NULL, + show_opaque_type_resolution, + &setlist, &showlist); }