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2004-07-27 Andrew Cagney <cagney@gnu.org>

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* gdbtypes.h (struct builtin_type): Declare.
	(builtin_type): Declare.
	* d10v-tdep.c (d10v_register_type): Use builtin_type.
	* gdbtypes.c (_initialize_gdbtypes): Register gdbtypes_post_init.
	(gdbtypes_post_init): New function.
	(builtin_type): New function.
This commit is contained in:
Andrew Cagney
2004-07-28 02:03:52 +00:00
parent 208e245742
commit 000177f0ad
4 changed files with 270 additions and 6 deletions
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187
gdb/gdbtypes.c
View File

@@ -3360,6 +3360,191 @@ build_gdbtypes (void)
"__bfd_vma", (struct objfile *) NULL);
}
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);
builtin_type->builtin_void =
init_type (TYPE_CODE_VOID, 1,
0,
"void", (struct objfile *) NULL);
builtin_type->builtin_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->builtin_signed_char =
init_type (TYPE_CODE_INT, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
0,
"signed char", (struct objfile *) NULL);
builtin_type->builtin_unsigned_char =
init_type (TYPE_CODE_INT, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
TYPE_FLAG_UNSIGNED,
"unsigned char", (struct objfile *) NULL);
builtin_type->builtin_short =
init_type (TYPE_CODE_INT, TARGET_SHORT_BIT / TARGET_CHAR_BIT,
0,
"short", (struct objfile *) NULL);
builtin_type->builtin_unsigned_short =
init_type (TYPE_CODE_INT, TARGET_SHORT_BIT / TARGET_CHAR_BIT,
TYPE_FLAG_UNSIGNED,
"unsigned short", (struct objfile *) NULL);
builtin_type->builtin_int =
init_type (TYPE_CODE_INT, TARGET_INT_BIT / TARGET_CHAR_BIT,
0,
"int", (struct objfile *) NULL);
builtin_type->builtin_unsigned_int =
init_type (TYPE_CODE_INT, TARGET_INT_BIT / TARGET_CHAR_BIT,
TYPE_FLAG_UNSIGNED,
"unsigned int", (struct objfile *) NULL);
builtin_type->builtin_long =
init_type (TYPE_CODE_INT, TARGET_LONG_BIT / TARGET_CHAR_BIT,
0,
"long", (struct objfile *) NULL);
builtin_type->builtin_unsigned_long =
init_type (TYPE_CODE_INT, TARGET_LONG_BIT / TARGET_CHAR_BIT,
TYPE_FLAG_UNSIGNED,
"unsigned long", (struct objfile *) NULL);
builtin_type->builtin_long_long =
init_type (TYPE_CODE_INT, TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT,
0,
"long long", (struct objfile *) NULL);
builtin_type->builtin_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->builtin_float =
init_type (TYPE_CODE_FLT, TARGET_FLOAT_BIT / TARGET_CHAR_BIT,
0,
"float", (struct objfile *) NULL);
TYPE_FLOATFORMAT (builtin_type->builtin_float) = TARGET_FLOAT_FORMAT;
builtin_type->builtin_double =
init_type (TYPE_CODE_FLT, TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
0,
"double", (struct objfile *) NULL);
TYPE_FLOATFORMAT (builtin_type->builtin_double) = TARGET_DOUBLE_FORMAT;
builtin_type->builtin_long_double =
init_type (TYPE_CODE_FLT, TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT,
0,
"long double", (struct objfile *) NULL);
TYPE_FLOATFORMAT (builtin_type->builtin_long_double) = TARGET_LONG_DOUBLE_FORMAT;
builtin_type->builtin_complex =
init_type (TYPE_CODE_COMPLEX, 2 * TARGET_FLOAT_BIT / TARGET_CHAR_BIT,
0,
"complex", (struct objfile *) NULL);
TYPE_TARGET_TYPE (builtin_type->builtin_complex) = builtin_type->builtin_float;
builtin_type->builtin_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->builtin_double_complex) = builtin_type->builtin_double;
builtin_type->builtin_string =
init_type (TYPE_CODE_STRING, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
0,
"string", (struct objfile *) NULL);
builtin_type->builtin_int0 =
init_type (TYPE_CODE_INT, 0 / 8,
0,
"int0_t", (struct objfile *) NULL);
builtin_type->builtin_int8 =
init_type (TYPE_CODE_INT, 8 / 8,
0,
"int8_t", (struct objfile *) NULL);
builtin_type->builtin_uint8 =
init_type (TYPE_CODE_INT, 8 / 8,
TYPE_FLAG_UNSIGNED,
"uint8_t", (struct objfile *) NULL);
builtin_type->builtin_int16 =
init_type (TYPE_CODE_INT, 16 / 8,
0,
"int16_t", (struct objfile *) NULL);
builtin_type->builtin_uint16 =
init_type (TYPE_CODE_INT, 16 / 8,
TYPE_FLAG_UNSIGNED,
"uint16_t", (struct objfile *) NULL);
builtin_type->builtin_int32 =
init_type (TYPE_CODE_INT, 32 / 8,
0,
"int32_t", (struct objfile *) NULL);
builtin_type->builtin_uint32 =
init_type (TYPE_CODE_INT, 32 / 8,
TYPE_FLAG_UNSIGNED,
"uint32_t", (struct objfile *) NULL);
builtin_type->builtin_int64 =
init_type (TYPE_CODE_INT, 64 / 8,
0,
"int64_t", (struct objfile *) NULL);
builtin_type->builtin_uint64 =
init_type (TYPE_CODE_INT, 64 / 8,
TYPE_FLAG_UNSIGNED,
"uint64_t", (struct objfile *) NULL);
builtin_type->builtin_int128 =
init_type (TYPE_CODE_INT, 128 / 8,
0,
"int128_t", (struct objfile *) NULL);
builtin_type->builtin_uint128 =
init_type (TYPE_CODE_INT, 128 / 8,
TYPE_FLAG_UNSIGNED,
"uint128_t", (struct objfile *) NULL);
builtin_type->builtin_bool =
init_type (TYPE_CODE_BOOL, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
0,
"bool", (struct objfile *) NULL);
/* Pointer/Address types. */
/* NOTE: on some targets, addresses and pointers are not necessarily
the same --- for example, on the D10V, pointers are 16 bits long,
but addresses are 32 bits long. See doc/gdbint.texinfo,
``Pointers Are Not Always Addresses''.
The upshot is:
- gdb's `struct type' always describes the target's
representation.
- gdb's `struct value' objects should always hold values in
target form.
- gdb's CORE_ADDR values are addresses in the unified virtual
address space that the assembler and linker work with. Thus,
since target_read_memory takes a CORE_ADDR as an argument, it
can access any memory on the target, even if the processor has
separate code and data address spaces.
So, for example:
- If v is a value holding a D10V code pointer, its contents are
in target form: a big-endian address left-shifted two bits.
- 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->builtin_data_ptr
= make_pointer_type (builtin_type->builtin_void, NULL);
builtin_type->builtin_func_ptr
= lookup_pointer_type (lookup_function_type (builtin_type->builtin_void));
builtin_type->builtin_core_addr =
init_type (TYPE_CODE_INT, TARGET_ADDR_BIT / 8,
TYPE_FLAG_UNSIGNED,
"__CORE_ADDR", (struct objfile *) NULL);
return builtin_type;
}
extern void _initialize_gdbtypes (void);
void
_initialize_gdbtypes (void)
@@ -3367,6 +3552,8 @@ _initialize_gdbtypes (void)
struct cmd_list_element *c;
build_gdbtypes ();
gdbtypes_data = gdbarch_data_register_post_init (gdbtypes_post_init);
/* FIXME - For the moment, handle types by swapping them in and out.
Should be using the per-architecture data-pointer and a large
struct. */