switch(get_type_tpop_code(st)) {
case tpo_class: {
- return is_subclass_of(st, lt);
+ return is_SubClass_of(st, lt);
} break;
case tpo_struct: {
if (get_struct_n_members(st) != get_struct_n_members(lt)) return 0;
assert(clss && (clss->type_op == type_class));
assert(supertype && (supertype -> type_op == type_class));
ARR_APP1 (type *, clss->attr.ca.supertypes, supertype);
- for (i = 0; i < get_class_n_subtypes(supertype); i++)
+ for (i = get_class_n_subtypes(supertype) - 1; i >= 0; --i)
if (get_class_subtype(supertype, i) == clss)
/* Class already registered */
return;
_set_method_calling_convention(method, cc_mask);
}
-/* Returns the number of register parameters in a fastcall. 0 means default. */
-unsigned get_method_fastcall_n_regs(type *method) {
- assert(IS_FASTCALL(get_method_calling_convention(method)) && "not fastcall");
- return method->attr.ma.irg_calling_conv >> 8;
+/* Returns the number of registers parameters, 0 means default. */
+unsigned get_method_n_regparams(type *method) {
+ unsigned cc = get_method_calling_convention(method);
+ assert(IS_FASTCALL(cc));
+
+ return cc & ~cc_bits;
}
-/* Sets the number of register parameters in a fastcall. 0 means default. */
-void set_method_fastcall_n_regs(type *method, unsigned n_regs) {
- assert(IS_FASTCALL(get_method_calling_convention(method)) && "not fastcall");
- method->attr.ma.irg_calling_conv = n_regs << 8 | (method->attr.ma.irg_calling_conv & 0xFF);
+/* Sets the number of registers parameters, 0 means default. */
+void set_method_n_regparams(type *method, unsigned n_regs) {
+ unsigned cc = get_method_calling_convention(method);
+ assert(IS_FASTCALL(cc));
+
+ set_method_calling_convention(method, (cc & cc_bits) | (n_regs & ~cc_bits));
}
/* typecheck */
void set_method_additional_property(type *method, mtp_additional_property flag);
/**
- * calling conventions: the lower 8 bits are flags, the upper 24
- * are the number of arguments transmitted in registers.
+ * calling conventions: lower 24 bits are the number of register parameters,
+ * upper 8 encode the calling conventions
*/
typedef enum {
- cc_reg_param = 0x00000001, /**< Transmit parameters in registers, else the stack is used.
+ cc_reg_param = 0x01000000, /**< Transmit parameters in registers, else the stack is used.
This flag may be set as default on some architectures. */
- cc_last_on_top = 0x00000002, /**< The last non-register parameter is transmitted on top of
- the stack. If this flag is not set, the first
- non-register parameter is used (cdecl/stdcall convention) */
- cc_callee_clear_stk = 0x00000004, /**< The callee clears the stack. This forbids variadic
+ cc_last_on_top = 0x02000000, /**< The last non-register parameter is transmitted on top of
+ the stack. This is equivalent to the stdcall or pascal
+ calling convention. If this flag is not set, the first
+ non-register parameter is used (cdecl calling convention) */
+ cc_callee_clear_stk = 0x04000000, /**< The callee clears the stack. This forbids variadic
function calls (stdcall). */
- cc_this_call = 0x00000008, /**< The first parameter is a this pointer and is transmitted
+ cc_this_call = 0x08000000, /**< The first parameter is a this pointer and is transmitted
in a special way. */
- /* for easier access */
+ /* some ofter used cases */
cc_cdecl_set = 0, /**< cdecl calling convention */
cc_stdcall_set = cc_callee_clear_stk, /**< stdcall calling convention */
cc_fastcall_set = cc_reg_param|cc_callee_clear_stk, /**< fastcall calling convention */
- cc_defmask = cc_reg_param|cc_last_on_top|cc_callee_clear_stk
+
+ cc_bits = 0xFF000000 /**< the calling convention bits */
} calling_convention;
/** return the default calling convention for method types */
/**
* check for the CDECL calling convention
*/
-#define IS_CDECL(cc_mask) (((cc_mask) & cc_defmask) == cc_cdecl_set)
+#define IS_CDECL(cc_mask) (((cc_mask) & cc_bits) == cc_cdecl_set)
/**
* check for the STDCALL calling convention
*/
-#define IS_STDCALL(cc_mask) (((cc_mask) & cc_defmask) == cc_stdcall_set)
+#define IS_STDCALL(cc_mask) (((cc_mask) & cc_bits) == cc_stdcall_set)
/**
* check for the FASTCALL calling convention
*/
-#define IS_FASTCALL(cc_mask) (((cc_mask) & cc_defmask) == cc_fastcall_set)
+#define IS_FASTCALL(cc_mask) (((cc_mask) & cc_bits) == cc_fastcall_set)
/**
- * add the CDECL convention bits
+ * set the CDECL convention bits
*/
-#define SET_CDECL(cc_mask) (((cc_mask) & ~cc_defmask) | cc_cdecl_set)
+#define SET_CDECL(cc_mask) (((cc_mask) & ~cc_bits) | cc_cdecl_set)
/**
- * add the STDCALL convention bits
+ * set the STDCALL convention bits
*/
-#define SET_STDCALL(cc_mask) (((cc_mask) & ~cc_defmask) | cc_stdcall_set)
+#define SET_STDCALL(cc_mask) (((cc_mask) & ~cc_bits) | cc_stdcall_set)
/**
- * add the FASTCALL convention bits
+ * set the FASTCALL convention bits
*/
-#define SET_FASTCALL(cc_mask) (((cc_mask) & ~cc_defmask) | cc_fastcall_set)
+#define SET_FASTCALL(cc_mask) (((cc_mask) & ~cc_bits) | cc_fastcall_set)
/** Returns the calling convention of an entities graph. */
unsigned get_method_calling_convention(const type *method);
/** Sets the calling convention of an entities graph. */
void set_method_calling_convention(type *method, unsigned cc_mask);
-/** Returns the number of register parameters in a fastcall. 0 means default. */
-unsigned get_method_fastcall_n_regs(type *method);
+/** Returns the number of registers parameters, 0 means default. */
+unsigned get_method_n_regparams(type *method);
-/** Sets the number of register parameters in a fastcall. 0 means default. */
-void set_method_fastcall_n_regs(type *method, unsigned n_regs);
+/** Sets the number of registers parameters, 0 means default. */
+void set_method_n_regparams(type *method, unsigned n_regs);
/** Returns true if a type is a method type. */
int is_Method_type (const type *method);