X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ast2firm.c;h=695b4cb264629d3736c761f80ee30667b33b7429;hb=0709f476ea7bc26f606aacfda4675c44fbba4fc4;hp=8d1051df27f4e10fcbfd7715dca5c55d004f2a64;hpb=87f6a720c6ccb67fa8ce2946847e62c0e4e8aa08;p=cparser diff --git a/ast2firm.c b/ast2firm.c index 8d1051d..695b4cb 100644 --- a/ast2firm.c +++ b/ast2firm.c @@ -59,6 +59,7 @@ static ir_node **imature_blocks; static const declaration_t *current_function_decl; static ir_node *current_function_name; +static ir_node *current_funcsig; static struct obstack asm_obst; @@ -81,7 +82,7 @@ ir_node *uninitialized_local_var(ir_graph *irg, ir_mode *mode, int pos) { const declaration_t *declaration = get_irg_loc_description(irg, pos); - warningf(declaration->source_position, + warningf(&declaration->source_position, "variable '%#T' might be used uninitialized", declaration->type, declaration->symbol); return new_r_Unknown(irg, mode); @@ -122,196 +123,79 @@ static ident *unique_ident(const char *tag) return new_id_from_str(buf); } -/** - * Return the signed integer mode of size bytes. - * - * @param size the size - */ -static ir_mode *get_smode(unsigned size) -{ - static ir_mode *s_modes[16 + 1] = {0, }; - ir_mode *res; +static ir_mode *_atomic_modes[ATOMIC_TYPE_LAST+1]; - if (size <= 0 || size > 16) - return NULL; - - res = s_modes[size]; - if (res == NULL) { - unsigned bits; - char name[32]; +static ir_mode *mode_int, *mode_uint; - bits = size * 8; - snprintf(name, sizeof(name), "i%u", bits); - res = new_ir_mode(name, irms_int_number, bits, 1, irma_twos_complement, - bits <= machine_size ? machine_size : bits ); +static ir_node *expression_to_firm(const expression_t *expression); +static inline ir_mode *get_ir_mode(type_t *type); - s_modes[size] = res; +static ir_mode *init_atomic_ir_mode(atomic_type_kind_t kind) +{ + unsigned flags = get_atomic_type_flags(kind); + unsigned size = get_atomic_type_size(kind); + if( (flags & (ATOMIC_TYPE_FLAG_INTEGER | ATOMIC_TYPE_FLAG_FLOAT)) + && !(flags & ATOMIC_TYPE_FLAG_COMPLEX)) { + char name[64]; + mode_sort sort; + unsigned bit_size = size * 8; + bool is_signed = (flags & ATOMIC_TYPE_FLAG_SIGNED) != 0; + mode_arithmetic arithmetic; + unsigned modulo_shift; + + if(flags & ATOMIC_TYPE_FLAG_INTEGER) { + assert(! (flags & ATOMIC_TYPE_FLAG_FLOAT)); + snprintf(name, sizeof(name), "i%s%d", is_signed?"":"u", bit_size); + sort = irms_int_number; + arithmetic = irma_twos_complement; + modulo_shift = bit_size < machine_size ? machine_size : bit_size; + } else { + assert(flags & ATOMIC_TYPE_FLAG_FLOAT); + snprintf(name, sizeof(name), "f%d", bit_size); + sort = irms_float_number; + arithmetic = irma_ieee754; + modulo_shift = 0; + } + return new_ir_mode(name, sort, bit_size, is_signed, arithmetic, + modulo_shift); } - return res; -} - -/** - * Return the unsigned integer mode of size bytes. - * - * @param size the size - */ -static ir_mode *get_umode(unsigned size) -{ - static ir_mode *u_modes[16 + 1] = {0, }; - ir_mode *res; - - if (size <= 0 || size > 16) - return NULL; - res = u_modes[size]; - if (res == NULL) { - unsigned bits; - char name[32]; - - bits = size * 8; - snprintf(name, sizeof(name), "u%u", bits); - res = new_ir_mode(name, irms_int_number, bits, 0, irma_twos_complement, - bits <= machine_size ? machine_size : bits ); - - u_modes[size] = res; - } - return res; + return NULL; } /** - * Return the pointer mode of size bytes. - * - * @param size the size + * Initialises the atomic modes depending on the machine size. */ -static ir_mode *get_ptrmode(unsigned size, char *name) +static void init_atomic_modes(void) { - static ir_mode *p_modes[16 + 1] = {0, }; - ir_mode *res; - - if (size <= 0 || size > 16) - return NULL; - - res = p_modes[size]; - if (res == NULL) { - unsigned bits; - char buf[32]; - - bits = size * 8; - if (name == NULL) { - snprintf(buf, sizeof(buf), "p%u", bits); - name = buf; - } - res = new_ir_mode(name, irms_reference, bits, 0, irma_twos_complement, - bits <= machine_size ? machine_size : bits); - - p_modes[size] = res; - - set_reference_mode_signed_eq(res, get_smode(size)); - set_reference_mode_unsigned_eq(res, get_umode(size)); + for(int i = 0; i <= ATOMIC_TYPE_LAST; ++i) { + _atomic_modes[i] = init_atomic_ir_mode((atomic_type_kind_t) i); } - return res; -} - -static ir_mode *_atomic_modes[ATOMIC_TYPE_LAST]; - -static ir_mode *mode_int, *mode_uint; - -static ir_node *expression_to_firm(const expression_t *expression); -static inline ir_mode *get_ir_mode(type_t *type); - -/** - * Initialises the atomic modes depending on the machine size. - */ -static void init_atomic_modes(void) { - unsigned int_size = machine_size < 32 ? 2 : 4; - unsigned long_size = machine_size < 64 ? 4 : 8; - unsigned llong_size = machine_size < 32 ? 4 : 8; - - /* firm has no real void... */ - _atomic_modes[ATOMIC_TYPE_VOID] = mode_T; - _atomic_modes[ATOMIC_TYPE_CHAR] = char_is_signed ? get_smode(1) : get_umode(1); - _atomic_modes[ATOMIC_TYPE_SCHAR] = get_smode(1); - _atomic_modes[ATOMIC_TYPE_UCHAR] = get_umode(1); - _atomic_modes[ATOMIC_TYPE_SHORT] = get_smode(2); - _atomic_modes[ATOMIC_TYPE_USHORT] = get_umode(2); - _atomic_modes[ATOMIC_TYPE_INT] = get_smode(int_size); - _atomic_modes[ATOMIC_TYPE_UINT] = get_umode(int_size); - _atomic_modes[ATOMIC_TYPE_LONG] = get_smode(long_size); - _atomic_modes[ATOMIC_TYPE_ULONG] = get_umode(long_size); - _atomic_modes[ATOMIC_TYPE_LONGLONG] = get_smode(llong_size); - _atomic_modes[ATOMIC_TYPE_ULONGLONG] = get_umode(llong_size); - _atomic_modes[ATOMIC_TYPE_FLOAT] = mode_F; - _atomic_modes[ATOMIC_TYPE_DOUBLE] = mode_D; - _atomic_modes[ATOMIC_TYPE_LONG_DOUBLE] = mode_E; - _atomic_modes[ATOMIC_TYPE_BOOL] = get_umode(int_size); - -#ifdef PROVIDE_COMPLEX - _atomic_modes[ATOMIC_TYPE_BOOL] = _atomic_modes[ATOMIC_TYPE_INT]; - _atomic_modes[ATOMIC_TYPE_FLOAT_IMAGINARY] = _atomic_modes[ATOMIC_TYPE_FLOAT]; - _atomic_modes[ATOMIC_TYPE_DOUBLE_IMAGINARY] = _atomic_modes[ATOMIC_TYPE_DOUBLE]; - _atomic_modes[ATOMIC_TYPE_LONG_DOUBLE_IMAGINARY] = _atomic_modes[ATOMIC_TYPE_LONG_DOUBLE]; -#endif - - /* Hmm, pointers should be machine size */ - set_modeP_data(get_ptrmode(machine_size >> 3, NULL)); - set_modeP_code(get_ptrmode(machine_size >> 3, NULL)); - mode_int = _atomic_modes[ATOMIC_TYPE_INT]; mode_uint = _atomic_modes[ATOMIC_TYPE_UINT]; -} - -static ir_mode *get_atomic_mode(const atomic_type_t* atomic_type) -{ - ir_mode *res = NULL; - if ((unsigned)atomic_type->akind < (unsigned)ATOMIC_TYPE_LAST) - res = _atomic_modes[(unsigned)atomic_type->akind]; - if (res == NULL) - panic("Encountered unknown atomic type"); - return res; -} - -static unsigned get_atomic_type_size(const atomic_type_t *type) -{ - switch(type->akind) { - case ATOMIC_TYPE_CHAR: - case ATOMIC_TYPE_SCHAR: - case ATOMIC_TYPE_UCHAR: - return 1; - - case ATOMIC_TYPE_SHORT: - case ATOMIC_TYPE_USHORT: - return 2; - - case ATOMIC_TYPE_BOOL: - case ATOMIC_TYPE_INT: - case ATOMIC_TYPE_UINT: - return machine_size >> 3; - - case ATOMIC_TYPE_LONG: - case ATOMIC_TYPE_ULONG: - return machine_size > 16 ? machine_size >> 3 : 4; - case ATOMIC_TYPE_LONGLONG: - case ATOMIC_TYPE_ULONGLONG: - return machine_size > 16 ? 8 : 4; + /* there's no real void type in firm */ + _atomic_modes[ATOMIC_TYPE_VOID] = mode_int; - case ATOMIC_TYPE_FLOAT: - return 4; + /* initialize pointer modes */ + char name[64]; + mode_sort sort = irms_reference; + unsigned bit_size = machine_size; + bool is_signed = 0; + mode_arithmetic arithmetic = irma_twos_complement; + unsigned modulo_shift + = bit_size < machine_size ? machine_size : bit_size; - case ATOMIC_TYPE_DOUBLE: - return 8; + snprintf(name, sizeof(name), "p%d", machine_size); + ir_mode *ptr_mode = new_ir_mode(name, sort, bit_size, is_signed, arithmetic, + modulo_shift); - case ATOMIC_TYPE_LONG_DOUBLE: - return 12; + set_reference_mode_signed_eq(ptr_mode, _atomic_modes[get_intptr_kind()]); + set_reference_mode_unsigned_eq(ptr_mode, _atomic_modes[get_uintptr_kind()]); - case ATOMIC_TYPE_VOID: - return 1; - - case ATOMIC_TYPE_INVALID: - case ATOMIC_TYPE_LAST: - break; - } - panic("Trying to determine size of invalid atomic type"); + /* Hmm, pointers should be machine size */ + set_modeP_data(ptr_mode); + set_modeP_code(ptr_mode); } static unsigned get_compound_type_size(compound_type_t *type) @@ -336,7 +220,7 @@ static unsigned get_type_size_const(type_t *type) case TYPE_ERROR: panic("error type occured"); case TYPE_ATOMIC: - return get_atomic_type_size(&type->atomic); + return get_atomic_type_size(type->atomic.akind); case TYPE_ENUM: return get_mode_size_bytes(mode_int); case TYPE_COMPOUND_UNION: @@ -397,22 +281,19 @@ static unsigned count_parameters(const function_type_t *function_type) return count; } - static ir_type *create_atomic_type(const atomic_type_t *type) { - dbg_info *dbgi = get_dbg_info(&type->type.source_position); - ir_mode *mode = get_atomic_mode(type); - ident *id = get_mode_ident(mode); - ir_type *irtype = new_d_type_primitive(id, mode, dbgi); + dbg_info *dbgi = get_dbg_info(&type->base.source_position); + atomic_type_kind_t kind = type->akind; + ir_mode *mode = _atomic_modes[kind]; + unsigned alignment = get_atomic_type_alignment(kind); + ident *id = get_mode_ident(mode); + ir_type *irtype = new_d_type_primitive(id, mode, dbgi); - /* TODO: this is x86 specific, we should fiddle this into - * lang_features.h somehow... */ - if(type->akind == ATOMIC_TYPE_LONG_DOUBLE - || type->akind == ATOMIC_TYPE_DOUBLE - || type->akind == ATOMIC_TYPE_LONGLONG - || type->akind == ATOMIC_TYPE_ULONGLONG) { - set_type_alignment_bytes(irtype, 4); - } + if(type->base.alignment > alignment) + alignment = type->base.alignment; + + set_type_alignment_bytes(irtype, alignment); return irtype; } @@ -424,7 +305,7 @@ static ir_type *create_method_type(const function_type_t *function_type) ident *id = unique_ident("functiontype"); int n_parameters = count_parameters(function_type); int n_results = return_type == type_void ? 0 : 1; - dbg_info *dbgi = get_dbg_info(&function_type->type.source_position); + dbg_info *dbgi = get_dbg_info(&function_type->base.source_position); ir_type *irtype = new_d_type_method(id, n_parameters, n_results, dbgi); if(return_type != type_void) { @@ -455,10 +336,10 @@ static ir_type *create_pointer_type(pointer_type_t *type) * again (might be a struct). We therefore first create a void* pointer * and then set the real points_to type */ - dbg_info *dbgi = get_dbg_info(&type->type.source_position); - ir_type *ir_type = new_d_type_pointer(unique_ident("pointer"), + dbg_info *dbgi = get_dbg_info(&type->base.source_position); + ir_type *ir_type = new_d_type_pointer(unique_ident("pointer"), ir_type_void, mode_P_data, dbgi); - type->type.firm_type = ir_type; + type->base.firm_type = ir_type; ir_points_to = get_ir_type(points_to); set_pointer_points_to_type(ir_type, ir_points_to); @@ -472,7 +353,7 @@ static ir_type *create_array_type(array_type_t *type) ir_type *ir_element_type = get_ir_type(element_type); ident *id = unique_ident("array"); - dbg_info *dbgi = get_dbg_info(&type->type.source_position); + dbg_info *dbgi = get_dbg_info(&type->base.source_position); ir_type *ir_type = new_d_type_array(id, 1, ir_element_type, dbgi); const int align = get_type_alignment_bytes(ir_element_type); @@ -569,7 +450,7 @@ static ir_type *get_unsigned_int_type_for_bit_size(ir_type *base_tp, static ir_type *create_bitfield_type(bitfield_type_t *const type) { - type_t *base = skip_typeref(type->base); + type_t *base = skip_typeref(type->base_type); assert(base->kind == TYPE_ATOMIC); ir_type *irbase = get_ir_type(base); @@ -607,12 +488,12 @@ static ir_type *create_struct_type(compound_type_t *type, ir_type *irtype, } else { id = unique_ident("__anonymous_struct"); } - dbg_info *dbgi = get_dbg_info(&type->type.source_position); + dbg_info *dbgi = get_dbg_info(&type->base.source_position); irtype = new_d_type_struct(id, dbgi); declaration->v.irtype = irtype; - type->type.firm_type = irtype; + type->base.firm_type = irtype; } else { offset = *outer_offset; align_all = *outer_align; @@ -646,7 +527,7 @@ static ir_type *create_struct_type(compound_type_t *type, ir_type *irtype, ir_type *base_irtype; if(entry_type->kind == TYPE_BITFIELD) { - base_irtype = get_ir_type(entry_type->bitfield.base); + base_irtype = get_ir_type(entry_type->bitfield.base_type); } else { base_irtype = get_ir_type(entry_type); } @@ -742,18 +623,18 @@ static ir_type *create_union_type(compound_type_t *type, ir_type *irtype, } else { id = unique_ident("__anonymous_union"); } - dbg_info *dbgi = get_dbg_info(&type->type.source_position); + dbg_info *dbgi = get_dbg_info(&type->base.source_position); irtype = new_d_type_union(id, dbgi); declaration->v.irtype = irtype; - type->type.firm_type = irtype; + type->base.firm_type = irtype; } else { offset = *outer_offset; align_all = *outer_align; } - type->type.firm_type = irtype; + type->base.firm_type = irtype; declaration_t *entry = declaration->scope.declarations; for( ; entry != NULL; entry = entry->next) { @@ -836,7 +717,7 @@ static ir_type *create_union_type(compound_type_t *type, ir_type *irtype, static ir_type *create_enum_type(enum_type_t *const type) { - type->type.firm_type = ir_type_int; + type->base.firm_type = ir_type_int; ir_mode *const mode = mode_int; tarval *const one = get_mode_one(mode); @@ -1214,12 +1095,13 @@ static ir_node *wide_string_literal_to_firm( return create_symconst(dbgi, mode_P_data, entity); } -static ir_node *deref_address(ir_type *const irtype, ir_node *const addr, +static ir_node *deref_address(type_t *const type, ir_node *const addr, dbg_info *const dbgi) { - if (is_compound_type(irtype) || - is_Method_type(irtype) || - is_Array_type(irtype)) { + ir_type *irtype = get_ir_type(type); + if (is_compound_type(irtype) + || is_Method_type(irtype) + || is_Array_type(irtype)) { return addr; } @@ -1228,6 +1110,11 @@ static ir_node *deref_address(ir_type *const irtype, ir_node *const addr, ir_node *const load = new_d_Load(dbgi, memory, addr, mode); ir_node *const load_mem = new_d_Proj(dbgi, load, mode_M, pn_Load_M); ir_node *const load_res = new_d_Proj(dbgi, load, mode, pn_Load_res); + + if(type->base.qualifiers & TYPE_QUALIFIER_VOLATILE) { + set_Load_volatility(load, volatility_is_volatile); + } + set_store(load_mem); return load_res; } @@ -1315,16 +1202,14 @@ static ir_node *reference_expression_to_firm(const reference_expression_t *ref) } case DECLARATION_KIND_GLOBAL_VARIABLE: { ir_node *const addr = get_global_var_address(dbgi, declaration); - ir_type *const irtype = get_entity_type(declaration->v.entity); - return deref_address(irtype, addr, dbgi); + return deref_address(declaration->type, addr, dbgi); } case DECLARATION_KIND_LOCAL_VARIABLE_ENTITY: { ir_entity *entity = declaration->v.entity; ir_node *frame = get_local_frame(entity); ir_node *sel = new_d_simpleSel(dbgi, new_NoMem(), frame, entity); - ir_type *irtype = get_entity_type(entity); - return deref_address(irtype, sel, dbgi); + return deref_address(declaration->type, sel, dbgi); } case DECLARATION_KIND_VARIABLE_LENGTH_ARRAY: @@ -1534,6 +1419,8 @@ static void assign_value(dbg_info *dbgi, ir_node *addr, type_t *type, if(is_type_scalar(type)) { ir_node *store = new_d_Store(dbgi, memory, addr, value); ir_node *store_mem = new_d_Proj(dbgi, store, mode_M, pn_Store_M); + if(type->base.qualifiers & TYPE_QUALIFIER_VOLATILE) + set_Store_volatility(store, volatility_is_volatile); set_store(store_mem); } else { ir_type *irtype = get_ir_type(type); @@ -1571,7 +1458,7 @@ static void bitfield_store_to_firm(const unary_expression_t *expression, assert(select->kind == EXPR_SELECT); type_t *type = select->base.type; assert(type->kind == TYPE_BITFIELD); - ir_mode *mode = get_ir_mode(type->bitfield.base); + ir_mode *mode = get_ir_mode(type->bitfield.base_type); ir_node *addr = expression_to_addr(select); assert(get_irn_mode(value) == mode); @@ -1606,6 +1493,11 @@ static void bitfield_store_to_firm(const unary_expression_t *expression, ir_node *store = new_d_Store(dbgi, load_mem, addr, new_val); ir_node *store_mem = new_d_Proj(dbgi, store, mode_M, pn_Store_M); set_store(store_mem); + + if(type->base.qualifiers & TYPE_QUALIFIER_VOLATILE) { + set_Load_volatility(load, volatility_is_volatile); + set_Store_volatility(store, volatility_is_volatile); + } } static void set_value_for_expression(const expression_t *expression, @@ -1819,7 +1711,7 @@ static ir_node *bitfield_extract_to_firm(const unary_expression_t *expression) type_t *type = select->base.type; assert(type->kind == TYPE_BITFIELD); - ir_mode *mode = get_ir_mode(type->bitfield.base); + ir_mode *mode = get_ir_mode(type->bitfield.base_type); dbg_info *dbgi = get_dbg_info(&expression->base.source_position); ir_node *addr = expression_to_addr(select); ir_node *mem = get_store(); @@ -1894,9 +1786,8 @@ static ir_node *unary_expression_to_firm(const unary_expression_t *expression) case EXPR_UNARY_DEREFERENCE: { ir_node *value_node = expression_to_firm(value); type_t *value_type = skip_typeref(value->base.type); - ir_type *irtype = get_ir_type(value_type); - assert(is_Pointer_type(irtype)); - ir_type *points_to = get_pointer_points_to_type(irtype); + assert(is_type_pointer(value_type)); + type_t *points_to = value_type->pointer.points_to; return deref_address(points_to, value_node, dbgi); } case EXPR_UNARY_POSTFIX_INCREMENT: @@ -1912,6 +1803,8 @@ static ir_node *unary_expression_to_firm(const unary_expression_t *expression) node = do_strict_conv(dbgi, node); return node; } else { + /* make sure firm type is constructed */ + (void) get_ir_type(type); return value_node; } } @@ -2323,9 +2216,8 @@ static ir_node *array_access_to_firm( type_t *type = revert_automatic_type_conversion( (const expression_t*) expression); type = skip_typeref(type); - ir_type *irtype = get_ir_type(type); - return deref_address(irtype, addr, dbgi); + return deref_address(type, addr, dbgi); } static long get_offsetof_offset(const offsetof_expression_t *expression) @@ -2563,9 +2455,8 @@ static ir_node *select_to_firm(const select_expression_t *expression) type_t *type = revert_automatic_type_conversion( (const expression_t*) expression); type = skip_typeref(type); - ir_type *irtype = get_ir_type(type); - return deref_address(irtype, addr, dbgi); + return deref_address(type, addr, dbgi); } /* Values returned by __builtin_classify_type. */ @@ -2595,23 +2486,23 @@ typedef enum gcc_type_class static ir_node *classify_type_to_firm(const classify_type_expression_t *const expr) { - const type_t *const type = expr->type_expression->base.type; + const type_t *const type = skip_typeref(expr->type_expression->base.type); gcc_type_class tc; switch (type->kind) { case TYPE_ATOMIC: { const atomic_type_t *const atomic_type = &type->atomic; - switch (atomic_type->akind) { + switch ((atomic_type_kind_t) atomic_type->akind) { /* should not be reached */ case ATOMIC_TYPE_INVALID: tc = no_type_class; - break; + goto make_const; /* gcc cannot do that */ case ATOMIC_TYPE_VOID: tc = void_type_class; - break; + goto make_const; case ATOMIC_TYPE_CHAR: /* gcc handles this as integer */ case ATOMIC_TYPE_SCHAR: /* gcc handles this as integer */ @@ -2626,46 +2517,49 @@ static ir_node *classify_type_to_firm(const classify_type_expression_t *const ex case ATOMIC_TYPE_ULONGLONG: case ATOMIC_TYPE_BOOL: /* gcc handles this as integer */ tc = integer_type_class; - break; + goto make_const; case ATOMIC_TYPE_FLOAT: case ATOMIC_TYPE_DOUBLE: case ATOMIC_TYPE_LONG_DOUBLE: tc = real_type_class; - break; + goto make_const; -#ifdef PROVIDE_COMPLEX case ATOMIC_TYPE_FLOAT_COMPLEX: case ATOMIC_TYPE_DOUBLE_COMPLEX: case ATOMIC_TYPE_LONG_DOUBLE_COMPLEX: tc = complex_type_class; - break; + goto make_const; case ATOMIC_TYPE_FLOAT_IMAGINARY: case ATOMIC_TYPE_DOUBLE_IMAGINARY: case ATOMIC_TYPE_LONG_DOUBLE_IMAGINARY: tc = complex_type_class; - break; -#endif - - default: - panic("Unimplemented case in classify_type_to_firm()."); + goto make_const; } - break; + panic("Unexpected atomic type in classify_type_to_firm()."); } + case TYPE_BITFIELD: tc = integer_type_class; goto make_const; case TYPE_ARRAY: /* gcc handles this as pointer */ case TYPE_FUNCTION: /* gcc handles this as pointer */ - case TYPE_POINTER: tc = pointer_type_class; break; - case TYPE_COMPOUND_STRUCT: tc = record_type_class; break; - case TYPE_COMPOUND_UNION: tc = union_type_class; break; + case TYPE_POINTER: tc = pointer_type_class; goto make_const; + case TYPE_COMPOUND_STRUCT: tc = record_type_class; goto make_const; + case TYPE_COMPOUND_UNION: tc = union_type_class; goto make_const; /* gcc handles this as integer */ - case TYPE_ENUM: tc = integer_type_class; break; - - default: - panic("Unimplemented case in classify_type_to_firm()."); + case TYPE_ENUM: tc = integer_type_class; goto make_const; + + case TYPE_BUILTIN: + /* typedef/typeof should be skipped already */ + case TYPE_TYPEDEF: + case TYPE_TYPEOF: + case TYPE_INVALID: + case TYPE_ERROR: + break; } + panic("unexpected TYPE classify_type_to_firm()."); +make_const: ; dbg_info *const dbgi = get_dbg_info(&expr->base.source_position); ir_mode *const mode = mode_int; tarval *const tv = new_tarval_from_long(tc, mode); @@ -2673,16 +2567,30 @@ static ir_node *classify_type_to_firm(const classify_type_expression_t *const ex } static ir_node *function_name_to_firm( - const string_literal_expression_t *const expr) -{ - if (current_function_name == NULL) { - const source_position_t *const src_pos = &expr->base.source_position; - const char *const name = current_function_decl->symbol->string; - const string_t string = { name, strlen(name) + 1 }; - current_function_name = string_to_firm(src_pos, "__func__", &string); + const funcname_expression_t *const expr) +{ + switch(expr->kind) { + case FUNCNAME_FUNCTION: + case FUNCNAME_PRETTY_FUNCTION: + case FUNCNAME_FUNCDNAME: + if (current_function_name == NULL) { + const source_position_t *const src_pos = &expr->base.source_position; + const char *const name = current_function_decl->symbol->string; + const string_t string = { name, strlen(name) + 1 }; + current_function_name = string_to_firm(src_pos, "__func__", &string); + } + return current_function_name; + case FUNCNAME_FUNCSIG: + if (current_funcsig == NULL) { + const source_position_t *const src_pos = &expr->base.source_position; + ir_entity *ent = get_irg_entity(current_ir_graph); + const char *const name = get_entity_ld_name(ent); + const string_t string = { name, strlen(name) + 1 }; + current_funcsig = string_to_firm(src_pos, "__FUNCSIG__", &string); + } + return current_funcsig; } - - return current_function_name; + panic("Unsupported function name"); } static ir_node *statement_expression_to_firm(const statement_expression_t *expr) @@ -2714,13 +2622,13 @@ static ir_node *va_start_expression_to_firm( static ir_node *va_arg_expression_to_firm(const va_arg_expression_t *const expr) { - ir_type *const irtype = get_ir_type(expr->base.type); + type_t *const type = expr->base.type; ir_node *const ap = expression_to_firm(expr->ap); dbg_info *const dbgi = get_dbg_info(&expr->base.source_position); - ir_node *const res = deref_address(irtype, ap, dbgi); + ir_node *const res = deref_address(type, ap, dbgi); - ir_node *const cnst = get_type_size(expr->base.type); - ir_node *const add = new_d_Add(dbgi, ap, cnst, mode_P_data); + ir_node *const cnst = get_type_size(expr->base.type); + ir_node *const add = new_d_Add(dbgi, ap, cnst, mode_P_data); set_value_for_expression(expr->ap, add); return res; @@ -2808,9 +2716,8 @@ static ir_node *_expression_to_firm(const expression_t *expression) return select_to_firm(&expression->select); case EXPR_CLASSIFY_TYPE: return classify_type_to_firm(&expression->classify_type); - case EXPR_FUNCTION: - case EXPR_PRETTY_FUNCTION: - return function_name_to_firm(&expression->string); + case EXPR_FUNCNAME: + return function_name_to_firm(&expression->funcname); case EXPR_STATEMENT: return statement_expression_to_firm(&expression->statement); case EXPR_VA_START: @@ -2944,7 +2851,8 @@ static void create_declaration_entity(declaration_t *declaration, ir_type *parent_type) { ident *const id = new_id_from_str(declaration->symbol->string); - ir_type *const irtype = get_ir_type(declaration->type); + type_t *const type = skip_typeref(declaration->type); + ir_type *const irtype = get_ir_type(type); dbg_info *const dbgi = get_dbg_info(&declaration->source_position); ir_entity *const entity = new_d_entity(parent_type, id, irtype, dbgi); set_entity_ld_ident(entity, id); @@ -2956,7 +2864,10 @@ static void create_declaration_entity(declaration_t *declaration, set_entity_allocation(entity, allocation_automatic); else if(declaration_kind == DECLARATION_KIND_GLOBAL_VARIABLE) set_entity_allocation(entity, allocation_static); - /* TODO: visibility? */ + + if(type->base.qualifiers & TYPE_QUALIFIER_VOLATILE) { + set_entity_volatility(entity, volatility_is_volatile); + } } @@ -2986,7 +2897,7 @@ static __attribute__((unused)) void debug_print_type_path(const type_path_t *pat if(is_type_compound(type)) { fprintf(stderr, ".%s", entry->compound_entry->symbol->string); } else if(is_type_array(type)) { - fprintf(stderr, "[%u]", entry->index); + fprintf(stderr, "[%zd]", entry->index); } else { fprintf(stderr, "-INVALID-"); } @@ -3265,6 +3176,8 @@ static ir_initializer_t *create_ir_initializer_list( static ir_initializer_t *create_ir_initializer_string( const initializer_string_t *initializer, type_t *type) { + type = skip_typeref(type); + size_t string_len = initializer->string.size; assert(type->kind == TYPE_ARRAY && type->array.size_constant); size_t len = type->array.size; @@ -3335,14 +3248,29 @@ static ir_initializer_t *create_ir_initializer( panic("unknown initializer"); } +static void create_dynamic_null_initializer(ir_type *type, dbg_info *dbgi, + ir_node *base_addr) +{ + ir_mode *mode = get_type_mode(type); + tarval *zero = get_mode_null(mode); + ir_node *cnst = new_d_Const(dbgi, mode, zero); + + /* TODO: bitfields */ + ir_node *mem = get_store(); + ir_node *store = new_d_Store(dbgi, mem, base_addr, cnst); + ir_node *proj_m = new_Proj(store, mode_M, pn_Store_M); + set_store(proj_m); +} + static void create_dynamic_initializer_sub(ir_initializer_t *initializer, ir_type *type, dbg_info *dbgi, ir_node *base_addr) { switch(get_initializer_kind(initializer)) { case IR_INITIALIZER_NULL: { - ir_mode *mode = get_type_mode(type); /* TODO: implement this for compound types... */ assert(type != NULL); + + ir_mode *mode = get_type_mode(type); tarval *zero = get_mode_null(mode); ir_node *cnst = new_d_Const(dbgi, mode, zero); @@ -3577,6 +3505,8 @@ static void create_local_variable(declaration_t *declaration) return; } else if(is_type_array(type) || is_type_compound(type)) { needs_entity = true; + } else if(type->base.qualifiers & TYPE_QUALIFIER_VOLATILE) { + needs_entity = true; } if(needs_entity) { @@ -3606,6 +3536,10 @@ static void create_local_static_variable(declaration_t *declaration) ir_entity *const entity = new_d_entity(global_type, id, irtype, dbgi); set_entity_ld_ident(entity, id); + if(type->base.qualifiers & TYPE_QUALIFIER_VOLATILE) { + set_entity_volatility(entity, volatility_is_volatile); + } + declaration->declaration_kind = DECLARATION_KIND_GLOBAL_VARIABLE; declaration->v.entity = entity; set_entity_variability(entity, variability_uninitialized); @@ -4281,11 +4215,24 @@ static void asm_statement_to_firm(const asm_statement_t *statement) #endif } +static void ms_try_statement_to_firm(ms_try_statement_t *statement) { + statement_to_firm(statement->try_statement); + warningf(&statement->base.source_position, "structured exception handling ignored"); +} + +static void leave_statement_to_firm(leave_statement_t *statement) { + errorf(&statement->base.source_position, "__leave not supported yet"); +} + static void statement_to_firm(statement_t *statement) { switch(statement->kind) { case STATEMENT_INVALID: panic("invalid statement found"); + return; + case STATEMENT_EMPTY: + /* nothing */ + return; case STATEMENT_COMPOUND: compound_statement_to_firm(&statement->compound); return; @@ -4331,6 +4278,12 @@ static void statement_to_firm(statement_t *statement) case STATEMENT_ASM: asm_statement_to_firm(&statement->asms); return; + case STATEMENT_MS_TRY: + ms_try_statement_to_firm(&statement->ms_try); + return; + case STATEMENT_LEAVE: + leave_statement_to_firm(&statement->leave); + return; } panic("Statement not implemented\n"); } @@ -4357,10 +4310,12 @@ static int count_local_declarations(const declaration_t * decl, } static int count_decls_in_expression(const expression_t *expression) { + int count = 0; + if(expression == NULL) return 0; - switch(expression->base.kind) { + switch((expression_kind_t) expression->base.kind) { case EXPR_STATEMENT: return count_decls_in_stmts(expression->statement.statement); EXPR_BINARY_CASES { @@ -4371,7 +4326,6 @@ static int count_decls_in_expression(const expression_t *expression) { EXPR_UNARY_CASES return count_decls_in_expression(expression->unary.value); case EXPR_CALL: { - int count = 0; call_argument_t *argument = expression->call.arguments; for( ; argument != NULL; argument = argument->next) { count += count_decls_in_expression(argument->expression); @@ -4379,7 +4333,63 @@ static int count_decls_in_expression(const expression_t *expression) { return count; } - default: + case EXPR_UNKNOWN: + case EXPR_INVALID: + panic("unexpected expression kind"); + + case EXPR_COMPOUND_LITERAL: + /* TODO... */ + break; + + case EXPR_CONDITIONAL: + count += count_decls_in_expression(expression->conditional.condition); + count += count_decls_in_expression(expression->conditional.true_expression); + count += count_decls_in_expression(expression->conditional.false_expression); + return count; + + case EXPR_BUILTIN_PREFETCH: + count += count_decls_in_expression(expression->builtin_prefetch.adr); + count += count_decls_in_expression(expression->builtin_prefetch.rw); + count += count_decls_in_expression(expression->builtin_prefetch.locality); + return count; + + case EXPR_BUILTIN_CONSTANT_P: + count += count_decls_in_expression(expression->builtin_constant.value); + return count; + + case EXPR_SELECT: + count += count_decls_in_expression(expression->select.compound); + return count; + + case EXPR_ARRAY_ACCESS: + count += count_decls_in_expression(expression->array_access.array_ref); + count += count_decls_in_expression(expression->array_access.index); + return count; + + case EXPR_CLASSIFY_TYPE: + count += count_decls_in_expression(expression->classify_type.type_expression); + return count; + + case EXPR_SIZEOF: + case EXPR_ALIGNOF: { + expression_t *tp_expression = expression->typeprop.tp_expression; + if (tp_expression != NULL) { + count += count_decls_in_expression(tp_expression); + } + return count; + } + + case EXPR_OFFSETOF: + case EXPR_REFERENCE: + case EXPR_CONST: + case EXPR_CHARACTER_CONSTANT: + case EXPR_WIDE_CHARACTER_CONSTANT: + case EXPR_STRING_LITERAL: + case EXPR_WIDE_STRING_LITERAL: + case EXPR_FUNCNAME: + case EXPR_BUILTIN_SYMBOL: + case EXPR_VA_START: + case EXPR_VA_ARG: break; } @@ -4395,6 +4405,9 @@ static int count_decls_in_stmts(const statement_t *stmt) int count = 0; for (; stmt != NULL; stmt = stmt->base.next) { switch (stmt->kind) { + case STATEMENT_EMPTY: + break; + case STATEMENT_DECLARATION: { const declaration_statement_t *const decl_stmt = &stmt->declaration; count += count_local_declarations(decl_stmt->declarations_begin, @@ -4477,6 +4490,7 @@ static int count_decls_in_stmts(const statement_t *stmt) } case STATEMENT_GOTO: + case STATEMENT_LEAVE: case STATEMENT_INVALID: break; @@ -4485,6 +4499,15 @@ static int count_decls_in_stmts(const statement_t *stmt) count += count_decls_in_expression(ret_stmt->value); break; } + + case STATEMENT_MS_TRY: { + const ms_try_statement_t *const try_stmt = &stmt->ms_try; + count += count_decls_in_stmts(try_stmt->try_statement); + if(try_stmt->except_expression != NULL) + count += count_decls_in_expression(try_stmt->except_expression); + count += count_decls_in_stmts(try_stmt->final_statement); + break; + } } } return count; @@ -4590,6 +4613,7 @@ static void create_function(declaration_t *declaration) current_function_decl = declaration; current_function_name = NULL; + current_funcsig = NULL; assert(imature_blocks == NULL); imature_blocks = NEW_ARR_F(ir_node*, 0); @@ -4750,10 +4774,7 @@ static void init_ir_types(void) ir_type_int = get_ir_type(type_int); ir_type_const_char = get_ir_type(type_const_char); ir_type_wchar_t = get_ir_type(type_wchar_t); - ir_type_void = get_ir_type(type_int); /* we don't have a real void - type in firm */ - - type_void->base.firm_type = ir_type_void; + ir_type_void = get_ir_type(type_void); } void exit_ast2firm(void)