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Add libcc1 v1 compatibility to C compile feature

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This patch adds v1 compatibiltiy to the C compile feature.  The only change
in v1 concerns the handling of integer types, which permits GDB to specify
the built-in name for the type.

As far as I know, the C frontend is still on v0, so this patch is purely
precautionary. [By default C++ compile uses the equivalent of the C
frontend's int_type and float_type (aka the "v1" versions).]

gdb/ChangeLog:

	* compile/compile-c-types.c (convert_int, convert_float):
	Update for C FE v1.
This commit is contained in:
Alexandre Oliva
2018-04-27 11:17:02 -07:00
committed by Keith Seitz
parent 6873858b7e
commit 476d250ee8
2 changed files with 28 additions and 5 deletions
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28
gdb/compile/compile-c-types.c
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@ -273,9 +273,22 @@ convert_func (struct compile_c_instance *context, struct type *type)
static gcc_type
convert_int (struct compile_c_instance *context, struct type *type)
{
return C_CTX (context)->c_ops->int_type_v0 (C_CTX (context),
TYPE_UNSIGNED (type),
TYPE_LENGTH (type));
if (C_CTX (context)->c_ops->c_version >= GCC_C_FE_VERSION_1)
{
if (TYPE_NOSIGN (type))
{
gdb_assert (TYPE_LENGTH (type) == 1);
return C_CTX (context)->c_ops->char_type (C_CTX (context));
}
return C_CTX (context)->c_ops->int_type (C_CTX (context),
TYPE_UNSIGNED (type),
TYPE_LENGTH (type),
TYPE_NAME (type));
}
else
return C_CTX (context)->c_ops->int_type_v0 (C_CTX (context),
TYPE_UNSIGNED (type),
TYPE_LENGTH (type));
}
/* Convert a floating-point type to its gcc representation. */
@ -283,8 +296,13 @@ convert_int (struct compile_c_instance *context, struct type *type)
static gcc_type
convert_float (struct compile_c_instance *context, struct type *type)
{
return C_CTX (context)->c_ops->float_type_v0 (C_CTX (context),
TYPE_LENGTH (type));
if (C_CTX (context)->c_ops->c_version >= GCC_C_FE_VERSION_1)
return C_CTX (context)->c_ops->float_type (C_CTX (context),
TYPE_LENGTH (type),
TYPE_NAME (type));
else
return C_CTX (context)->c_ops->float_type_v0 (C_CTX (context),
TYPE_LENGTH (type));
}
/* Convert the 'void' type to its gcc representation. */