-#if 0
- /* FIXME-tiemann: Can't the compiler put out something which
- lets us distinguish these? (or maybe just not put out anything
- for the field). What is the story here? What does the compiler
- really do? Also, patch gdb.texinfo for this case; I document
- it as a possible problem there. Search for "DBX-style". */
-
- /* This is wrong because this is identical to the symbols
- produced for GCC 0-size arrays. For example:
- typedef union {
- int num;
- char str[0];
- } foo;
- The code which dumped core in such circumstances should be
- fixed not to dump core. */
-
- /* g++ -g0 can put out bitpos & bitsize zero for a static
- field. This does not give us any way of getting its
- class, so we can't know its name. But we can just
- ignore the field so we don't dump core and other nasty
- stuff. */
- if (list->field.bitpos == 0
- && list->field.bitsize == 0)
- {
- complain (&dbx_class_complaint, 0);
- /* Ignore this field. */
- list = list->next;
- }
- else
-#endif /* 0 */
- {
- /* Detect an unpacked field and mark it as such.
- dbx gives a bit size for all fields.
- Note that forward refs cannot be packed,
- and treat enums as if they had the width of ints. */
- if (TYPE_CODE (list->field.type) != TYPE_CODE_INT
- && TYPE_CODE (list->field.type) != TYPE_CODE_ENUM)
- list->field.bitsize = 0;
- if ((list->field.bitsize == 8 * TYPE_LENGTH (list->field.type)
- || (TYPE_CODE (list->field.type) == TYPE_CODE_ENUM
- && (list->field.bitsize
- == 8 * TYPE_LENGTH (lookup_fundamental_type (objfile, FT_INTEGER)))
- )
- )
- &&
- list->field.bitpos % 8 == 0)
- list->field.bitsize = 0;
- nfields++;
- }
- }
-
- if (p[1] == ':')
- /* chill the list of fields: the last entry (at the head)
- is a partially constructed entry which we now scrub. */
- list = list->next;
-
- /* Now create the vector of fields, and record how big it is.
- We need this info to record proper virtual function table information
- for this class's virtual functions. */
-
- TYPE_NFIELDS (type) = nfields;
- TYPE_FIELDS (type) = (struct field *)
- obstack_alloc (&objfile -> type_obstack, sizeof (struct field) * nfields);
-
- if (non_public_fields)
- {
- ALLOCATE_CPLUS_STRUCT_TYPE (type);
-
- TYPE_FIELD_PRIVATE_BITS (type) =
- (B_TYPE *) obstack_alloc (&objfile -> type_obstack,
- B_BYTES (nfields));
- B_CLRALL (TYPE_FIELD_PRIVATE_BITS (type), nfields);
-
- TYPE_FIELD_PROTECTED_BITS (type) =
- (B_TYPE *) obstack_alloc (&objfile -> type_obstack,
- B_BYTES (nfields));
- B_CLRALL (TYPE_FIELD_PROTECTED_BITS (type), nfields);
- }
-
- /* Copy the saved-up fields into the field vector. */
-
- for (n = nfields; list; list = list->next)
- {
- n -= 1;
- TYPE_FIELD (type, n) = list->field;
- if (list->visibility == 0)
- SET_TYPE_FIELD_PRIVATE (type, n);
- else if (list->visibility == 1)
- SET_TYPE_FIELD_PROTECTED (type, n);
- }
-
- /* Now come the method fields, as NAME::methods
- where each method is of the form TYPENUM,ARGS,...:PHYSNAME;
- At the end, we see a semicolon instead of a field.
-
- For the case of overloaded operators, the format is
- op$::*.methods, where $ is the CPLUS_MARKER (usually '$'),
- `*' holds the place for an operator name (such as `+=')
- and `.' marks the end of the operator name. */
- if (p[1] == ':')
- {
- /* Now, read in the methods. To simplify matters, we
- "unread" the name that has been read, so that we can
- start from the top. */
-
- ALLOCATE_CPLUS_STRUCT_TYPE (type);
- /* For each list of method lists... */
- do
- {
- int i;
- struct next_fnfield *sublist = 0;
- struct type *look_ahead_type = NULL;
- int length = 0;
- struct next_fnfieldlist *new_mainlist =
- (struct next_fnfieldlist *)alloca (sizeof (struct next_fnfieldlist));
- char *main_fn_name;
-
- p = *pp;
-
- /* read in the name. */
- while (*p != ':') p++;
- if ((*pp)[0] == 'o' && (*pp)[1] == 'p' && (*pp)[2] == CPLUS_MARKER)
- {
- /* This is a completely wierd case. In order to stuff in the
- names that might contain colons (the usual name delimiter),
- Mike Tiemann defined a different name format which is
- signalled if the identifier is "op$". In that case, the
- format is "op$::XXXX." where XXXX is the name. This is
- used for names like "+" or "=". YUUUUUUUK! FIXME! */
- /* This lets the user type "break operator+".
- We could just put in "+" as the name, but that wouldn't
- work for "*". */
- static char opname[32] = {'o', 'p', CPLUS_MARKER};
- char *o = opname + 3;
-
- /* Skip past '::'. */
- *pp = p + 2;
- if (**pp == '\\') *pp = next_symbol_text ();
- p = *pp;
- while (*p != '.')
- *o++ = *p++;
- main_fn_name = savestring (opname, o - opname);
- /* Skip past '.' */
- *pp = p + 1;
- }
- else
- {
- main_fn_name = savestring (*pp, p - *pp);
- /* Skip past '::'. */
- *pp = p + 2;
- }
- new_mainlist->fn_fieldlist.name = main_fn_name;
-
- do
- {
- struct next_fnfield *new_sublist =
- (struct next_fnfield *)alloca (sizeof (struct next_fnfield));
-
- /* Check for and handle cretinous dbx symbol name continuation! */
- if (look_ahead_type == NULL) /* Normal case. */
- {
- if (**pp == '\\') *pp = next_symbol_text ();
-
- new_sublist->fn_field.type = read_type (pp, objfile);
- if (**pp != ':')
- /* Invalid symtab info for method. */
- return error_type (pp);
- }
- else
- { /* g++ version 1 kludge */
- new_sublist->fn_field.type = look_ahead_type;
- look_ahead_type = NULL;
- }
-
- *pp += 1;
- p = *pp;
- while (*p != ';') p++;
-
- /* If this is just a stub, then we don't have the
- real name here. */
- if (TYPE_FLAGS (new_sublist->fn_field.type) & TYPE_FLAG_STUB)
- new_sublist->fn_field.is_stub = 1;
- new_sublist->fn_field.physname = savestring (*pp, p - *pp);
- *pp = p + 1;
-
- /* Set this method's visibility fields. */
- switch (*(*pp)++ - '0')
- {
- case 0:
- new_sublist->fn_field.is_private = 1;
- break;
- case 1:
- new_sublist->fn_field.is_protected = 1;
- break;
- }
-
- if (**pp == '\\') *pp = next_symbol_text ();
- switch (**pp)
- {
- case 'A': /* Normal functions. */
- new_sublist->fn_field.is_const = 0;
- new_sublist->fn_field.is_volatile = 0;
- (*pp)++;
- break;
- case 'B': /* `const' member functions. */
- new_sublist->fn_field.is_const = 1;
- new_sublist->fn_field.is_volatile = 0;
- (*pp)++;
- break;
- case 'C': /* `volatile' member function. */
- new_sublist->fn_field.is_const = 0;
- new_sublist->fn_field.is_volatile = 1;
- (*pp)++;
- break;
- case 'D': /* `const volatile' member function. */
- new_sublist->fn_field.is_const = 1;
- new_sublist->fn_field.is_volatile = 1;
- (*pp)++;
- break;
- case '*': /* File compiled with g++ version 1 -- no info */
- case '?':
- case '.':
- break;
- default:
- complain (&const_vol_complaint, (char *) (long) **pp);
- break;
- }
-
- switch (*(*pp)++)
- {
- case '*':
- /* virtual member function, followed by index. */
- /* The sign bit is set to distinguish pointers-to-methods
- from virtual function indicies. Since the array is
- in words, the quantity must be shifted left by 1
- on 16 bit machine, and by 2 on 32 bit machine, forcing
- the sign bit out, and usable as a valid index into
- the array. Remove the sign bit here. */
- new_sublist->fn_field.voffset =
- (0x7fffffff & read_number (pp, ';')) + 2;
-
- if (**pp == '\\') *pp = next_symbol_text ();
-
- if (**pp == ';' || **pp == '\0')
- /* Must be g++ version 1. */
- new_sublist->fn_field.fcontext = 0;
- else
- {
- /* Figure out from whence this virtual function came.
- It may belong to virtual function table of
- one of its baseclasses. */
- look_ahead_type = read_type (pp, objfile);
- if (**pp == ':')
- { /* g++ version 1 overloaded methods. */ }
- else
- {
- new_sublist->fn_field.fcontext = look_ahead_type;
- if (**pp != ';')
- return error_type (pp);
- else
- ++*pp;
- look_ahead_type = NULL;
- }
- }
- break;
-
- case '?':
- /* static member function. */
- new_sublist->fn_field.voffset = VOFFSET_STATIC;
- if (strncmp (new_sublist->fn_field.physname,
- main_fn_name, strlen (main_fn_name)))
- new_sublist->fn_field.is_stub = 1;
- break;
-
- default:
- /* error */
- complain (&member_fn_complaint, (char *) (long) (*pp)[-1]);
- /* Fall through into normal member function. */
-
- case '.':
- /* normal member function. */
- new_sublist->fn_field.voffset = 0;
- new_sublist->fn_field.fcontext = 0;
- break;
- }
-
- new_sublist->next = sublist;
- sublist = new_sublist;
- length++;
- if (**pp == '\\') *pp = next_symbol_text ();
- }
- while (**pp != ';' && **pp != '\0');
-
- *pp += 1;
-
- new_mainlist->fn_fieldlist.fn_fields =
- (struct fn_field *) obstack_alloc (&objfile -> type_obstack,
- sizeof (struct fn_field) * length);
- for (i = length; (i--, sublist); sublist = sublist->next)
- new_mainlist->fn_fieldlist.fn_fields[i] = sublist->fn_field;
-
- new_mainlist->fn_fieldlist.length = length;
- new_mainlist->next = mainlist;
- mainlist = new_mainlist;
- nfn_fields++;
- total_length += length;
- if (**pp == '\\') *pp = next_symbol_text ();
- }
- while (**pp != ';');
- }
-
- *pp += 1;
-
-
- if (nfn_fields)
- {
- TYPE_FN_FIELDLISTS (type) = (struct fn_fieldlist *)
- obstack_alloc (&objfile -> type_obstack,
- sizeof (struct fn_fieldlist) * nfn_fields);
- TYPE_NFN_FIELDS (type) = nfn_fields;
- TYPE_NFN_FIELDS_TOTAL (type) = total_length;
- }
-
- {
- int i;
- for (i = 0; i < TYPE_N_BASECLASSES (type); ++i)
- TYPE_NFN_FIELDS_TOTAL (type) +=
- TYPE_NFN_FIELDS_TOTAL (TYPE_BASECLASS (type, i));
- }
-
- for (n = nfn_fields; mainlist; mainlist = mainlist->next) {
- --n; /* Circumvent Sun3 compiler bug */
- TYPE_FN_FIELDLISTS (type)[n] = mainlist->fn_fieldlist;
- }
-
- if (**pp == '~')
- {
- *pp += 1;
-
- if (**pp == '=' || **pp == '+' || **pp == '-')
- {
- /* Obsolete flags that used to indicate the presence
- of constructors and/or destructors. */
- *pp += 1;
- }
-
- /* Read either a '%' or the final ';'. */
- if (*(*pp)++ == '%')
- {
- /* We'd like to be able to derive the vtable pointer field
- from the type information, but when it's inherited, that's
- hard. A reason it's hard is because we may read in the
- info about a derived class before we read in info about
- the base class that provides the vtable pointer field.
- Once the base info has been read, we could fill in the info
- for the derived classes, but for the fact that by then,
- we don't remember who needs what. */
-
-#if 0
- int predicted_fieldno = -1;
-#endif
-
- /* Now we must record the virtual function table pointer's
- field information. */
-
- struct type *t;
- int i;
-
-
-#if 0
- {
- /* In version 2, we derive the vfield ourselves. */
- for (n = 0; n < nfields; n++)
- {
- if (! strncmp (TYPE_FIELD_NAME (type, n), vptr_name,
- sizeof (vptr_name) -1))
- {
- predicted_fieldno = n;
- break;
- }
- }
- if (predicted_fieldno < 0)
- for (n = 0; n < TYPE_N_BASECLASSES (type); n++)
- if (! TYPE_FIELD_VIRTUAL (type, n)
- && TYPE_VPTR_FIELDNO (TYPE_BASECLASS (type, n)) >= 0)
- {
- predicted_fieldno = TYPE_VPTR_FIELDNO (TYPE_BASECLASS (type, n));
- break;
- }
- }
-#endif
-
- t = read_type (pp, objfile);
- p = (*pp)++;
- while (*p != '\0' && *p != ';')
- p++;
- if (*p == '\0')
- /* Premature end of symbol. */
- return error_type (pp);
-
- TYPE_VPTR_BASETYPE (type) = t;
- if (type == t)
- {
- if (TYPE_FIELD_NAME (t, TYPE_N_BASECLASSES (t)) == 0)
- {
- /* FIXME-tiemann: what's this? */
-#if 0
- TYPE_VPTR_FIELDNO (type) = i = TYPE_N_BASECLASSES (t);
-#else
- error_type (pp);
-#endif
- }
- else for (i = TYPE_NFIELDS (t) - 1; i >= TYPE_N_BASECLASSES (t); --i)
- if (! strncmp (TYPE_FIELD_NAME (t, i), vptr_name,
- sizeof (vptr_name) -1))
- {
- TYPE_VPTR_FIELDNO (type) = i;
- break;
- }
- if (i < 0)
- /* Virtual function table field not found. */
- return error_type (pp);
- }
- else
- TYPE_VPTR_FIELDNO (type) = TYPE_VPTR_FIELDNO (t);
-
-#if 0
- if (TYPE_VPTR_FIELDNO (type) != predicted_fieldno)
- error ("TYPE_VPTR_FIELDNO miscalculated");
-#endif
-
- *pp = p + 1;
- }
- }
-
- return type;
-}
-
-/* Read a definition of an array type,
- and create and return a suitable type object.
- Also creates a range type which represents the bounds of that
- array. */
-static struct type *
-read_array_type (pp, type, objfile)
- register char **pp;
- register struct type *type;
- struct objfile *objfile;
-{
- struct type *index_type, *element_type, *range_type;
- int lower, upper;
- int adjustable = 0;
-
- /* Format of an array type:
- "ar<index type>;lower;upper;<array_contents_type>". Put code in
- to handle this.
-
- Fortran adjustable arrays use Adigits or Tdigits for lower or upper;
- for these, produce a type like float[][]. */
-
- index_type = read_type (pp, objfile);
- if (**pp != ';')
- /* Improper format of array type decl. */
- return error_type (pp);
- ++*pp;
-
- if (!(**pp >= '0' && **pp <= '9'))
- {
- *pp += 1;
- adjustable = 1;
- }
- lower = read_number (pp, ';');
-
- if (!(**pp >= '0' && **pp <= '9'))
- {
- *pp += 1;
- adjustable = 1;
- }
- upper = read_number (pp, ';');
-
- element_type = read_type (pp, objfile);
-
- if (adjustable)
- {
- lower = 0;
- upper = -1;
- }
-
- {
- /* Create range type. */
- range_type = (struct type *)
- obstack_alloc (&objfile -> type_obstack, sizeof (struct type));
- memset (range_type, 0, sizeof (struct type));
- TYPE_OBJFILE (range_type) = objfile;
- TYPE_CODE (range_type) = TYPE_CODE_RANGE;
- TYPE_TARGET_TYPE (range_type) = index_type;
-
- /* This should never be needed. */
- TYPE_LENGTH (range_type) = sizeof (int);
-
- TYPE_NFIELDS (range_type) = 2;
- TYPE_FIELDS (range_type) =
- (struct field *) obstack_alloc (&objfile -> type_obstack,
- 2 * sizeof (struct field));
- TYPE_FIELD_BITPOS (range_type, 0) = lower;
- TYPE_FIELD_BITPOS (range_type, 1) = upper;
- }
-
- TYPE_CODE (type) = TYPE_CODE_ARRAY;
- TYPE_TARGET_TYPE (type) = element_type;
- TYPE_LENGTH (type) = (upper - lower + 1) * TYPE_LENGTH (element_type);
- TYPE_NFIELDS (type) = 1;
- TYPE_FIELDS (type) =
- (struct field *) obstack_alloc (&objfile -> type_obstack,
- sizeof (struct field));
- TYPE_FIELD_TYPE (type, 0) = range_type;
-
- /* If we have an array whose element type is not yet known, but whose
- bounds *are* known, record it to be adjusted at the end of the file. */
- if (TYPE_LENGTH (element_type) == 0 && !adjustable)
- add_undefined_type (type);
-
- return type;
-}
-
-
-/* Read a definition of an enumeration type,
- and create and return a suitable type object.
- Also defines the symbols that represent the values of the type. */
-
-static struct type *
-read_enum_type (pp, type, objfile)
- register char **pp;
- register struct type *type;
- struct objfile *objfile;
-{
- register char *p;
- char *name;
- register long n;
- register struct symbol *sym;
- int nsyms = 0;
- struct pending **symlist;
- struct pending *osyms, *syms;
- int o_nsyms;
-
-#if 0
- /* FIXME! The stabs produced by Sun CC merrily define things that ought
- to be file-scope, between N_FN entries, using N_LSYM. What's a mother
- to do? For now, force all enum values to file scope. */
- if (within_function)
- symlist = &local_symbols;
- else
-#endif
- symlist = &file_symbols;
- osyms = *symlist;
- o_nsyms = osyms ? osyms->nsyms : 0;
-
- /* Read the value-names and their values.
- The input syntax is NAME:VALUE,NAME:VALUE, and so on.
- A semicolon or comma instead of a NAME means the end. */
- while (**pp && **pp != ';' && **pp != ',')
- {
- /* Check for and handle cretinous dbx symbol name continuation! */
- if (**pp == '\\') *pp = next_symbol_text ();
-
- p = *pp;
- while (*p != ':') p++;
- name = obsavestring (*pp, p - *pp, &objfile -> symbol_obstack);
- *pp = p + 1;
- n = read_number (pp, ',');
-
- sym = (struct symbol *) obstack_alloc (&objfile -> symbol_obstack, sizeof (struct symbol));
- memset (sym, 0, sizeof (struct symbol));
- SYMBOL_NAME (sym) = name;
- SYMBOL_CLASS (sym) = LOC_CONST;
- SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
- SYMBOL_VALUE (sym) = n;
- add_symbol_to_list (sym, symlist);
- nsyms++;
- }
-
- if (**pp == ';')
- (*pp)++; /* Skip the semicolon. */
-
- /* Now fill in the fields of the type-structure. */
-
- TYPE_LENGTH (type) = sizeof (int);
- TYPE_CODE (type) = TYPE_CODE_ENUM;
- TYPE_NFIELDS (type) = nsyms;
- TYPE_FIELDS (type) = (struct field *)
- obstack_alloc (&objfile -> type_obstack,
- sizeof (struct field) * nsyms);
-
- /* Find the symbols for the values and put them into the type.
- The symbols can be found in the symlist that we put them on
- to cause them to be defined. osyms contains the old value
- of that symlist; everything up to there was defined by us. */
- /* Note that we preserve the order of the enum constants, so
- that in something like "enum {FOO, LAST_THING=FOO}" we print
- FOO, not LAST_THING. */
-
- for (syms = *symlist, n = 0; syms; syms = syms->next)
- {
- int j = 0;
- if (syms == osyms)
- j = o_nsyms;
- for (; j < syms->nsyms; j++,n++)
- {
- struct symbol *xsym = syms->symbol[j];
- SYMBOL_TYPE (xsym) = type;
- TYPE_FIELD_NAME (type, n) = SYMBOL_NAME (xsym);
- TYPE_FIELD_VALUE (type, n) = 0;
- TYPE_FIELD_BITPOS (type, n) = SYMBOL_VALUE (xsym);
- TYPE_FIELD_BITSIZE (type, n) = 0;
- }
- if (syms == osyms)
- break;
- }
-
-#if 0
- /* This screws up perfectly good C programs with enums. FIXME. */
- /* Is this Modula-2's BOOLEAN type? Flag it as such if so. */
- if(TYPE_NFIELDS(type) == 2 &&
- ((!strcmp(TYPE_FIELD_NAME(type,0),"TRUE") &&
- !strcmp(TYPE_FIELD_NAME(type,1),"FALSE")) ||
- (!strcmp(TYPE_FIELD_NAME(type,1),"TRUE") &&
- !strcmp(TYPE_FIELD_NAME(type,0),"FALSE"))))
- TYPE_CODE(type) = TYPE_CODE_BOOL;
-#endif
-
- return type;
-}
-
-/* Sun's ACC uses a somewhat saner method for specifying the builtin
- typedefs in every file (for int, long, etc):
-
- type = b <signed> <width>; <offset>; <nbits>
- signed = u or s. Possible c in addition to u or s (for char?).
- offset = offset from high order bit to start bit of type.
- width is # bytes in object of this type, nbits is # bits in type.
-
- The width/offset stuff appears to be for small objects stored in
- larger ones (e.g. `shorts' in `int' registers). We ignore it for now,
- FIXME. */
-
-static struct type *
-read_sun_builtin_type (pp, typenums, objfile)
- char **pp;
- int typenums[2];
- struct objfile *objfile;
-{
- int nbits;
- int signed_type;
-
- switch (**pp) {
- case 's':
- signed_type = 1;
- break;
- case 'u':
- signed_type = 0;
- break;
- default:
- return error_type (pp);
- }
- (*pp)++;
-
- /* For some odd reason, all forms of char put a c here. This is strange
- because no other type has this honor. We can safely ignore this because
- we actually determine 'char'acterness by the number of bits specified in
- the descriptor. */
-
- if (**pp == 'c')
- (*pp)++;
-
- /* The first number appears to be the number of bytes occupied
- by this type, except that unsigned short is 4 instead of 2.
- Since this information is redundant with the third number,
- we will ignore it. */
- read_number (pp, ';');
-
- /* The second number is always 0, so ignore it too. */
- read_number (pp, ';');
-
- /* The third number is the number of bits for this type. */
- nbits = read_number (pp, 0);
-
- /* FIXME. Here we should just be able to make a type of the right
- number of bits and signedness. FIXME. */
-
- if (nbits == TARGET_LONG_LONG_BIT)
- return (lookup_fundamental_type (objfile,
- signed_type? FT_LONG_LONG: FT_UNSIGNED_LONG_LONG));
-
- if (nbits == TARGET_INT_BIT) {
- /* FIXME -- the only way to distinguish `int' from `long'
- is to look at its name! */
- if (signed_type) {
- if (long_kludge_name && long_kludge_name[0] == 'l' /* long */)
- return lookup_fundamental_type (objfile, FT_LONG);
- else
- return lookup_fundamental_type (objfile, FT_INTEGER);
- } else {
- if (long_kludge_name
- && ((long_kludge_name[0] == 'u' /* unsigned */ &&
- long_kludge_name[9] == 'l' /* long */)
- || (long_kludge_name[0] == 'l' /* long unsigned */)))
- return lookup_fundamental_type (objfile, FT_UNSIGNED_LONG);
- else
- return lookup_fundamental_type (objfile, FT_UNSIGNED_INTEGER);
- }
- }
-
- if (nbits == TARGET_SHORT_BIT)
- return (lookup_fundamental_type (objfile,
- signed_type? FT_SHORT: FT_UNSIGNED_SHORT));
-
- if (nbits == TARGET_CHAR_BIT)
- return (lookup_fundamental_type (objfile,
- signed_type? FT_CHAR: FT_UNSIGNED_CHAR));
-
- if (nbits == 0)
- return lookup_fundamental_type (objfile, FT_VOID);
-
- return error_type (pp);
-}
-
-static struct type *
-read_sun_floating_type (pp, typenums, objfile)
- char **pp;
- int typenums[2];
- struct objfile *objfile;
-{
- int nbytes;
-
- /* The first number has more details about the type, for example
- FN_COMPLEX. See the sun stab.h. */
- read_number (pp, ';');
-
- /* The second number is the number of bytes occupied by this type */
- nbytes = read_number (pp, ';');
-
- if (**pp != 0)
- return error_type (pp);
-
- if (nbytes == TARGET_FLOAT_BIT / TARGET_CHAR_BIT)
- return lookup_fundamental_type (objfile, FT_FLOAT);
-
- if (nbytes == TARGET_DOUBLE_BIT / TARGET_CHAR_BIT)
- return lookup_fundamental_type (objfile, FT_DBL_PREC_FLOAT);
-
- if (nbytes == TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT)
- return lookup_fundamental_type (objfile, FT_EXT_PREC_FLOAT);
-
- return error_type (pp);
-}
-
-/* Read a number from the string pointed to by *PP.
- The value of *PP is advanced over the number.
- If END is nonzero, the character that ends the
- number must match END, or an error happens;
- and that character is skipped if it does match.
- If END is zero, *PP is left pointing to that character.
-
- If the number fits in a long, set *VALUE and set *BITS to 0.
- If not, set *BITS to be the number of bits in the number.
-
- If encounter garbage, set *BITS to -1. */
-
-static void
-read_huge_number (pp, end, valu, bits)
- char **pp;
- int end;
- long *valu;
- int *bits;
-{
- char *p = *pp;
- int sign = 1;
- long n = 0;
- int radix = 10;
- char overflow = 0;
- int nbits = 0;
- int c;
- long upper_limit;
-
- if (*p == '-')
- {
- sign = -1;
- p++;
- }
-
- /* Leading zero means octal. GCC uses this to output values larger
- than an int (because that would be hard in decimal). */
- if (*p == '0')
- {
- radix = 8;
- p++;
- }
-
- upper_limit = LONG_MAX / radix;
- while ((c = *p++) >= '0' && c <= ('0' + radix))
- {
- if (n <= upper_limit)
- {
- n *= radix;
- n += c - '0'; /* FIXME this overflows anyway */
- }
- else
- overflow = 1;
-
- /* This depends on large values being output in octal, which is
- what GCC does. */
- if (radix == 8)
- {
- if (nbits == 0)
- {
- if (c == '0')
- /* Ignore leading zeroes. */
- ;
- else if (c == '1')
- nbits = 1;
- else if (c == '2' || c == '3')
- nbits = 2;
- else
- nbits = 3;
- }
- else
- nbits += 3;
- }
- }
- if (end)
- {
- if (c && c != end)
- {
- if (bits != NULL)
- *bits = -1;
- return;
- }
- }
- else
- --p;
-
- *pp = p;
- if (overflow)
- {
- if (nbits == 0)
- {
- /* Large decimal constants are an error (because it is hard to
- count how many bits are in them). */
- if (bits != NULL)
- *bits = -1;
- return;
- }
-
- /* -0x7f is the same as 0x80. So deal with it by adding one to
- the number of bits. */
- if (sign == -1)
- ++nbits;
- if (bits)
- *bits = nbits;
- }
- else
- {
- if (valu)
- *valu = n * sign;
- if (bits)
- *bits = 0;
- }
-}
-
-static struct type *
-read_range_type (pp, typenums, objfile)
- char **pp;
- int typenums[2];
- struct objfile *objfile;
-{
- int rangenums[2];
- long n2, n3;
- int n2bits, n3bits;
- int self_subrange;
- struct type *result_type;
-
- /* First comes a type we are a subrange of.
- In C it is usually 0, 1 or the type being defined. */
- read_type_number (pp, rangenums);
- self_subrange = (rangenums[0] == typenums[0] &&
- rangenums[1] == typenums[1]);
-
- /* A semicolon should now follow; skip it. */
- if (**pp == ';')
- (*pp)++;
-
- /* The remaining two operands are usually lower and upper bounds
- of the range. But in some special cases they mean something else. */
- read_huge_number (pp, ';', &n2, &n2bits);
- read_huge_number (pp, ';', &n3, &n3bits);
-
- if (n2bits == -1 || n3bits == -1)
- return error_type (pp);
-
- /* If limits are huge, must be large integral type. */
- if (n2bits != 0 || n3bits != 0)
- {
- char got_signed = 0;
- char got_unsigned = 0;
- /* Number of bits in the type. */
- int nbits;
-
- /* Range from 0 to <large number> is an unsigned large integral type. */
- if ((n2bits == 0 && n2 == 0) && n3bits != 0)
- {
- got_unsigned = 1;
- nbits = n3bits;
- }
- /* Range from <large number> to <large number>-1 is a large signed
- integral type. */
- else if (n2bits != 0 && n3bits != 0 && n2bits == n3bits + 1)
- {
- got_signed = 1;
- nbits = n2bits;
- }
-
- /* Check for "long long". */
- if (got_signed && nbits == TARGET_LONG_LONG_BIT)
- return (lookup_fundamental_type (objfile, FT_LONG_LONG));
- if (got_unsigned && nbits == TARGET_LONG_LONG_BIT)
- return (lookup_fundamental_type (objfile, FT_UNSIGNED_LONG_LONG));
-
- if (got_signed || got_unsigned)
- {
- result_type = (struct type *)
- obstack_alloc (&objfile -> type_obstack,
- sizeof (struct type));
- memset (result_type, 0, sizeof (struct type));
- TYPE_OBJFILE (result_type) = objfile;
- TYPE_LENGTH (result_type) = nbits / TARGET_CHAR_BIT;
- TYPE_CODE (result_type) = TYPE_CODE_INT;
- if (got_unsigned)
- TYPE_FLAGS (result_type) |= TYPE_FLAG_UNSIGNED;
- return result_type;
- }
- else
- return error_type (pp);
- }
-
- /* A type defined as a subrange of itself, with bounds both 0, is void. */
- if (self_subrange && n2 == 0 && n3 == 0)
- return (lookup_fundamental_type (objfile, FT_VOID));
-
- /* If n3 is zero and n2 is not, we want a floating type,
- and n2 is the width in bytes.
-
- Fortran programs appear to use this for complex types also,
- and they give no way to distinguish between double and single-complex!
- We don't have complex types, so we would lose on all fortran files!
- So return type `double' for all of those. It won't work right
- for the complex values, but at least it makes the file loadable.
-
- FIXME, we may be able to distinguish these by their names. FIXME. */
-
- if (n3 == 0 && n2 > 0)
- {
- if (n2 == sizeof (float))
- return (lookup_fundamental_type (objfile, FT_FLOAT));
- return (lookup_fundamental_type (objfile, FT_DBL_PREC_FLOAT));
- }
-
- /* If the upper bound is -1, it must really be an unsigned int. */
-
- else if (n2 == 0 && n3 == -1)
- {
- /* FIXME -- the only way to distinguish `unsigned int' from `unsigned
- long' is to look at its name! */
- if (
- long_kludge_name && ((long_kludge_name[0] == 'u' /* unsigned */ &&
- long_kludge_name[9] == 'l' /* long */)
- || (long_kludge_name[0] == 'l' /* long unsigned */)))
- return (lookup_fundamental_type (objfile, FT_UNSIGNED_LONG));
- else
- return (lookup_fundamental_type (objfile, FT_UNSIGNED_INTEGER));
- }
-
- /* Special case: char is defined (Who knows why) as a subrange of
- itself with range 0-127. */
- else if (self_subrange && n2 == 0 && n3 == 127)
- return (lookup_fundamental_type (objfile, FT_CHAR));
-
- /* Assumptions made here: Subrange of self is equivalent to subrange
- of int. FIXME: Host and target type-sizes assumed the same. */
- /* FIXME: This is the *only* place in GDB that depends on comparing
- some type to a builtin type with ==. Fix it! */
- else if (n2 == 0
- && (self_subrange ||
- *dbx_lookup_type (rangenums) == lookup_fundamental_type (objfile, FT_INTEGER)))
- {
- /* an unsigned type */
-#ifdef LONG_LONG
- if (n3 == - sizeof (long long))
- return (lookup_fundamental_type (objfile, FT_UNSIGNED_LONG_LONG));
-#endif
- /* FIXME -- the only way to distinguish `unsigned int' from `unsigned
- long' is to look at its name! */
- if (n3 == (unsigned long)~0L &&
- long_kludge_name && ((long_kludge_name[0] == 'u' /* unsigned */ &&
- long_kludge_name[9] == 'l' /* long */)
- || (long_kludge_name[0] == 'l' /* long unsigned */)))
- return (lookup_fundamental_type (objfile, FT_UNSIGNED_LONG));
- if (n3 == (unsigned int)~0L)
- return (lookup_fundamental_type (objfile, FT_UNSIGNED_INTEGER));
- if (n3 == (unsigned short)~0L)
- return (lookup_fundamental_type (objfile, FT_UNSIGNED_SHORT));
- if (n3 == (unsigned char)~0L)
- return (lookup_fundamental_type (objfile, FT_UNSIGNED_CHAR));
- }
-#ifdef LONG_LONG
- else if (n3 == 0 && n2 == -sizeof (long long))
- return (lookup_fundamental_type (objfile, FT_LONG_LONG));
-#endif
- else if (n2 == -n3 -1)
- {
- /* a signed type */
- /* FIXME -- the only way to distinguish `int' from `long' is to look
- at its name! */
- if ((n3 ==(long)(((unsigned long)1 << (8 * sizeof (long) - 1)) - 1)) &&
- long_kludge_name && long_kludge_name[0] == 'l' /* long */)
- return (lookup_fundamental_type (objfile, FT_LONG));
- if (n3 == (long)(((unsigned long)1 << (8 * sizeof (int) - 1)) - 1))
- return (lookup_fundamental_type (objfile, FT_INTEGER));
- if (n3 == ( 1 << (8 * sizeof (short) - 1)) - 1)
- return (lookup_fundamental_type (objfile, FT_SHORT));
- if (n3 == ( 1 << (8 * sizeof (char) - 1)) - 1)
- return (lookup_fundamental_type (objfile, FT_SIGNED_CHAR));
- }
-
- /* We have a real range type on our hands. Allocate space and
- return a real pointer. */
-
- /* At this point I don't have the faintest idea how to deal with
- a self_subrange type; I'm going to assume that this is used
- as an idiom, and that all of them are special cases. So . . . */
- if (self_subrange)
- return error_type (pp);
-
- result_type = (struct type *)
- obstack_alloc (&objfile -> type_obstack, sizeof (struct type));
- memset (result_type, 0, sizeof (struct type));
- TYPE_OBJFILE (result_type) = objfile;
-
- TYPE_CODE (result_type) = TYPE_CODE_RANGE;
-
- TYPE_TARGET_TYPE (result_type) = *dbx_lookup_type(rangenums);
- if (TYPE_TARGET_TYPE (result_type) == 0) {
- complain (&range_type_base_complaint, (char *) rangenums[1]);
- TYPE_TARGET_TYPE (result_type) = lookup_fundamental_type (objfile, FT_INTEGER);
- }
-
- TYPE_NFIELDS (result_type) = 2;
- TYPE_FIELDS (result_type) =
- (struct field *) obstack_alloc (&objfile -> type_obstack,
- 2 * sizeof (struct field));
- memset (TYPE_FIELDS (result_type), 0, 2 * sizeof (struct field));
- TYPE_FIELD_BITPOS (result_type, 0) = n2;
- TYPE_FIELD_BITPOS (result_type, 1) = n3;
-
- TYPE_LENGTH (result_type) = TYPE_LENGTH (TYPE_TARGET_TYPE (result_type));
-
- return result_type;
-}
-
-/* Read a number from the string pointed to by *PP.
- The value of *PP is advanced over the number.
- If END is nonzero, the character that ends the
- number must match END, or an error happens;
- and that character is skipped if it does match.
- If END is zero, *PP is left pointing to that character. */
-
-long
-read_number (pp, end)
- char **pp;
- int end;
-{
- register char *p = *pp;
- register long n = 0;
- register int c;
- int sign = 1;
-
- /* Handle an optional leading minus sign. */
-
- if (*p == '-')
- {
- sign = -1;
- p++;
- }
-
- /* Read the digits, as far as they go. */
-
- while ((c = *p++) >= '0' && c <= '9')
- {
- n *= 10;
- n += c - '0';
- }
- if (end)
- {
- if (c && c != end)
- error ("Invalid symbol data: invalid character \\%03o at symbol pos %d.", c, symnum);
- }
- else
- --p;
-
- *pp = p;
- return n * sign;
-}
-
-/* Read in an argument list. This is a list of types, separated by commas
- and terminated with END. Return the list of types read in, or (struct type
- **)-1 if there is an error. */
-static struct type **
-read_args (pp, end, objfile)
- char **pp;
- int end;
- struct objfile *objfile;
-{
- /* FIXME! Remove this arbitrary limit! */
- struct type *types[1024], **rval; /* allow for fns of 1023 parameters */
- int n = 0;
-
- while (**pp != end)
- {
- if (**pp != ',')
- /* Invalid argument list: no ','. */
- return (struct type **)-1;
- *pp += 1;
-
- /* Check for and handle cretinous dbx symbol name continuation! */
- if (**pp == '\\')
- *pp = next_symbol_text ();
-
- types[n++] = read_type (pp, objfile);
- }
- *pp += 1; /* get past `end' (the ':' character) */
-
- if (n == 1)
- {
- rval = (struct type **) xmalloc (2 * sizeof (struct type *));
- }
- else if (TYPE_CODE (types[n-1]) != TYPE_CODE_VOID)
- {
- rval = (struct type **) xmalloc ((n + 1) * sizeof (struct type *));
- memset (rval + n, 0, sizeof (struct type *));
- }
- else
- {
- rval = (struct type **) xmalloc (n * sizeof (struct type *));
- }
- memcpy (rval, types, n * sizeof (struct type *));
- return rval;
-}
-
-/* Add a common block's start address to the offset of each symbol
- declared to be in it (by being between a BCOMM/ECOMM pair that uses
- the common block name). */
-
-static void
-fix_common_block (sym, valu)
- struct symbol *sym;
- int valu;
-{
- struct pending *next = (struct pending *) SYMBOL_NAMESPACE (sym);
- for ( ; next; next = next->next)
- {
- register int j;
- for (j = next->nsyms - 1; j >= 0; j--)
- SYMBOL_VALUE_ADDRESS (next->symbol[j]) += valu;
- }
-}
-
-/* Initializer for this module */
projects / binutils.git / blobdiff