/* Support routines for manipulating internal types for GDB.
- Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000
+ Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, 2002
Free Software Foundation, Inc.
Contributed by Cygnus Support, using pieces from other GDB modules.
struct type *builtin_type_int128;
struct type *builtin_type_uint128;
struct type *builtin_type_bool;
+
+/* 128 bit long vector types */
+struct type *builtin_type_v4_float;
+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_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_vec128;
struct type *builtin_type_ieee_single_big;
struct type *builtin_type_ieee_single_little;
struct type *builtin_type_ieee_double_big;
}
}
+/* Replace the contents of ntype with the type *type.
+
+ In order to build recursive types, it's inevitable that we'll need
+ to update types in place --- but this sort of indiscriminate
+ smashing is ugly, and needs to be replaced with something more
+ controlled. For example, Daniel Jacobowitz has suggested moving
+ the fields common to a set of c/v variants into their own object,
+ which the variants would share.
+
+ This function does not handle the replacement type being
+ cv-qualified; it could be easily fixed to, but it would be better
+ to just change the whole approach. */
+void
+replace_type (struct type *ntype, struct type *type)
+{
+ struct type *cv_chain, *as_chain, *ptr, *ref;
+
+ cv_chain = TYPE_CV_TYPE (ntype);
+ as_chain = TYPE_AS_TYPE (ntype);
+ ptr = TYPE_POINTER_TYPE (ntype);
+ ref = TYPE_REFERENCE_TYPE (ntype);
+
+ *ntype = *type;
+
+ TYPE_POINTER_TYPE (ntype) = ptr;
+ TYPE_REFERENCE_TYPE (ntype) = ref;
+ TYPE_CV_TYPE (ntype) = cv_chain;
+ TYPE_AS_TYPE (ntype) = as_chain;
+
+ finish_cv_type (ntype);
+}
+
/* Implement direct support for MEMBER_TYPE in GNU C++.
May need to construct such a type if this is the first use.
The TYPE is the type of the member. The DOMAIN is the type
}
TYPE_CODE (result_type) = TYPE_CODE_RANGE;
TYPE_TARGET_TYPE (result_type) = index_type;
- if (TYPE_FLAGS (index_type) & TYPE_FLAG_STUB)
+ if (TYPE_STUB (index_type))
TYPE_FLAGS (result_type) |= TYPE_FLAG_TARGET_STUB;
else
TYPE_LENGTH (result_type) = TYPE_LENGTH (check_typedef (index_type));
TYPE_ALLOC (result_type, 1 * sizeof (struct field));
memset (TYPE_FIELDS (result_type), 0, sizeof (struct field));
- if (!(TYPE_FLAGS (domain_type) & TYPE_FLAG_STUB))
+ if (!TYPE_STUB (domain_type))
{
if (get_discrete_bounds (domain_type, &low_bound, &high_bound) < 0)
low_bound = high_bound = 0;
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
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_vec128 (void)
+{
+ /* 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 *t;
- struct field *f;
- /* Build the field structure. */
- f = xmalloc (sizeof (*f));
- memset (f, 0, sizeof (*f));
- f->loc.bitpos = 0;
- f->type = create_array_type (0, elt_type,
- create_range_type (0, builtin_type_int,
- 0, n-1));
- f->name = elt_name;
-
- /* Build a struct type with that field. */
- t = init_type (TYPE_CODE_STRUCT, n * TYPE_LENGTH (elt_type), 0, 0, 0);
- t->nfields = 1;
- t->fields = f;
- t->tag_name = name;
+ 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);
return t;
}
-
/* 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
make_cv_type (is_const, is_volatile, newtype, &type);
}
/* Otherwise, rely on the stub flag being set for opaque/stubbed types */
- else if ((TYPE_FLAGS (type) & TYPE_FLAG_STUB) && !currently_reading_symtab)
+ else if (TYPE_STUB (type) && !currently_reading_symtab)
{
char *name = type_name_no_tag (type);
/* FIXME: shouldn't we separately check the TYPE_NAME and the
make_cv_type (is_const, is_volatile, SYMBOL_TYPE (sym), &type);
}
- if (TYPE_FLAGS (type) & TYPE_FLAG_TARGET_STUB)
+ if (TYPE_TARGET_STUB (type))
{
struct type *range_type;
struct type *target_type = check_typedef (TYPE_TARGET_TYPE (type));
- if (TYPE_FLAGS (target_type) & (TYPE_FLAG_STUB | TYPE_FLAG_TARGET_STUB))
+ if (TYPE_STUB (target_type) || TYPE_TARGET_STUB (target_type))
{
}
else if (TYPE_CODE (type) == TYPE_CODE_ARRAY
return (type);
}
+/* Helper function. Create an empty composite type. */
+
+struct type *
+init_composite_type (char *name, enum type_code code)
+{
+ 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;
+}
+
+/* Helper function. Append a field to a composite type. */
+
+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.
{
puts_filtered (" TYPE_FLAG_VARARGS");
}
+ /* This is used for things like AltiVec registers on ppc. Gcc emits
+ an attribute for the array type, which tells whether or not we
+ have a vector, instead of a regular array. */
+ if (TYPE_VECTOR (type))
+ {
+ puts_filtered (" TYPE_FLAG_VECTOR");
+ }
puts_filtered ("\n");
printfi_filtered (spaces, "nfields %d ", TYPE_NFIELDS (type));
gdb_print_host_address (TYPE_FIELDS (type), gdb_stdout);
"void", (struct objfile *) NULL);
builtin_type_char =
init_type (TYPE_CODE_INT, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
- TYPE_FLAG_NOSIGN,
+ (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,
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,
= 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_v4_float = init_vector_type (builtin_type_float, 4);
+ 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_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_vec128 = build_builtin_type_vec128 ();
+
/* Pointer/Address types. */
/* NOTE: on some targets, addresses and pointers are not necessarily
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_v4_float, 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_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_void_data_ptr);
REGISTER_GDBARCH_SWAP (builtin_type_void_func_ptr);
REGISTER_GDBARCH_SWAP (builtin_type_CORE_ADDR);
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);
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,
projects / deliverable / binutils-gdb.git / blobdiff