#include "mangle.h"
#include "walk_statements.h"
#include "warning.h"
+#include "printer.h"
#include "entitymap_t.h"
#include "driver/firm_opt.h"
#include "driver/firm_cmdline.h"
return new_r_Unknown(irg, mode);
}
-unsigned dbg_snprint(char *buf, unsigned len, const dbg_info *dbg)
-{
- const source_position_t *pos = (const source_position_t*) dbg;
- if (pos == NULL)
- return 0;
- return (unsigned) snprintf(buf, len, "%s:%u", pos->input_name,
- pos->linenr);
-}
-
-const char *dbg_retrieve(const dbg_info *dbg, unsigned *line)
+static const char *dbg_retrieve(const dbg_info *dbg, unsigned *line)
{
const source_position_t *pos = (const source_position_t*) dbg;
if (pos == NULL)
return (dbg_info*) pos;
}
+static void dbg_print_type_dbg_info(char *buffer, size_t buffer_size,
+ const type_dbg_info *dbg)
+{
+ assert(dbg != NULL);
+ print_to_buffer(buffer, buffer_size);
+ const type_t *type = (const type_t*) dbg;
+ print_type(type);
+ finish_print_to_buffer();
+}
+
+static type_dbg_info *get_type_dbg_info_(const type_t *type)
+{
+ return (type_dbg_info*) type;
+}
+
static ir_mode *atomic_modes[ATOMIC_TYPE_LAST+1];
static ir_mode *mode_int, *mode_uint;
/**
* Creates a Firm type for an atomic type
*/
-static ir_type *create_atomic_type(atomic_type_kind_t akind)
+static ir_type *create_atomic_type(atomic_type_kind_t akind, const type_t *type)
{
ir_mode *mode = atomic_modes[akind];
- ident *id = get_mode_ident(mode);
- ir_type *irtype = new_type_primitive(id, mode);
+ type_dbg_info *dbgi = get_type_dbg_info_(type);
+ ir_type *irtype = new_d_type_primitive(mode, dbgi);
il_alignment_t alignment = get_atomic_type_alignment(akind);
set_type_alignment_bytes(irtype, alignment);
*/
static ir_type *create_imaginary_type(imaginary_type_t *type)
{
- atomic_type_kind_t kind = type->akind;
- ir_mode *mode = atomic_modes[kind];
- ident *id = get_mode_ident(mode);
- ir_type *irtype = new_type_primitive(id, mode);
- il_alignment_t alignment = get_type_alignment((type_t*) type);
-
- set_type_alignment_bytes(irtype, alignment);
-
- return irtype;
+ return create_atomic_type(type->akind, (const type_t*) type);
}
/**
static ir_type *create_method_type(const function_type_t *function_type, bool for_closure)
{
- type_t *return_type = skip_typeref(function_type->return_type);
+ type_t *return_type = skip_typeref(function_type->return_type);
- ident *id = id_unique("functiontype.%u");
- int n_parameters = count_parameters(function_type) + (for_closure ? 1 : 0);
- int n_results = return_type == type_void ? 0 : 1;
- ir_type *irtype = new_type_method(id, n_parameters, n_results);
+ int n_parameters = count_parameters(function_type)
+ + (for_closure ? 1 : 0);
+ int n_results = return_type == type_void ? 0 : 1;
+ type_dbg_info *dbgi = get_type_dbg_info_((const type_t*) function_type);
+ ir_type *irtype = new_d_type_method(n_parameters, n_results, dbgi);
if (return_type != type_void) {
ir_type *restype = get_ir_type(return_type);
static ir_type *create_pointer_type(pointer_type_t *type)
{
- type_t *points_to = type->points_to;
- ir_type *ir_points_to = get_ir_type_incomplete(points_to);
- ir_type *ir_type = new_type_pointer(id_unique("pointer.%u"),
- ir_points_to, mode_P_data);
+ type_dbg_info *dbgi = get_type_dbg_info_((const type_t*) type);
+ type_t *points_to = type->points_to;
+ ir_type *ir_points_to = get_ir_type_incomplete(points_to);
+ ir_type *ir_type = new_d_type_pointer(ir_points_to, dbgi);
return ir_type;
}
static ir_type *create_reference_type(reference_type_t *type)
{
- type_t *refers_to = type->refers_to;
- ir_type *ir_refers_to = get_ir_type_incomplete(refers_to);
- ir_type *ir_type = new_type_pointer(id_unique("reference.%u"),
- ir_refers_to, mode_P_data);
+ type_dbg_info *dbgi = get_type_dbg_info_((const type_t*) type);
+ type_t *refers_to = type->refers_to;
+ ir_type *ir_refers_to = get_ir_type_incomplete(refers_to);
+ ir_type *ir_type = new_d_type_pointer(ir_refers_to, dbgi);
return ir_type;
}
static ir_type *create_array_type(array_type_t *type)
{
- type_t *element_type = type->element_type;
- ir_type *ir_element_type = get_ir_type(element_type);
-
- ident *id = id_unique("array.%u");
- ir_type *ir_type = new_type_array(id, 1, ir_element_type);
+ type_dbg_info *dbgi = get_type_dbg_info_((const type_t*) type);
+ type_t *element_type = type->element_type;
+ ir_type *ir_element_type = get_ir_type(element_type);
+ ir_type *ir_type = new_d_type_array(1, ir_element_type, dbgi);
const int align = get_type_alignment_bytes(ir_element_type);
set_type_alignment_bytes(ir_type, align);
* @param size the size
*/
static ir_type *get_signed_int_type_for_bit_size(ir_type *base_tp,
- unsigned size)
+ unsigned size,
+ const type_t *type)
{
static ir_mode *s_modes[64 + 1] = {NULL, };
ir_type *res;
s_modes[size] = mode;
}
- char name[32];
- snprintf(name, sizeof(name), "I%u", size);
- ident *id = new_id_from_str(name);
- dbg_info *dbgi = get_dbg_info(&builtin_source_position);
- res = new_d_type_primitive(id_mangle_u(get_type_ident(base_tp), id), mode, dbgi);
+ type_dbg_info *dbgi = get_type_dbg_info_(type);
+ res = new_d_type_primitive(mode, dbgi);
set_primitive_base_type(res, base_tp);
return res;
* @param size the size
*/
static ir_type *get_unsigned_int_type_for_bit_size(ir_type *base_tp,
- unsigned size)
+ unsigned size,
+ const type_t *type)
{
static ir_mode *u_modes[64 + 1] = {NULL, };
ir_type *res;
u_modes[size] = mode;
}
- char name[32];
-
- snprintf(name, sizeof(name), "U%u", size);
- ident *id = new_id_from_str(name);
- dbg_info *dbgi = get_dbg_info(&builtin_source_position);
- res = new_d_type_primitive(id_mangle_u(get_type_ident(base_tp), id), mode, dbgi);
+ type_dbg_info *dbgi = get_type_dbg_info_(type);
+ res = new_d_type_primitive(mode, dbgi);
set_primitive_base_type(res, base_tp);
return res;
assert(!is_type_float(base));
if (is_type_signed(base)) {
- return get_signed_int_type_for_bit_size(irbase, size);
+ return get_signed_int_type_for_bit_size(irbase, size,
+ (const type_t*) type);
} else {
- return get_unsigned_int_type_for_bit_size(irbase, size);
+ return get_unsigned_int_type_for_bit_size(irbase, size,
+ (const type_t*) type);
}
}
id = id_unique("__anonymous_struct.%u");
}
}
- dbg_info *dbgi = get_dbg_info(&compound->base.source_position);
ir_type *irtype;
if (is_union) {
- irtype = new_d_type_union(id, dbgi);
+ irtype = new_type_union(id);
} else {
- irtype = new_d_type_struct(id, dbgi);
+ irtype = new_type_struct(id);
}
compound->irtype_complete = false;
ir_mode *const mode = mode_int;
tarval *const one = get_mode_one(mode);
- tarval * tv_next = get_tarval_null(mode);
+ tarval * tv_next = get_mode_null(mode);
bool constant_folding_old = constant_folding;
constant_folding = true;
constant_folding = constant_folding_old;
- return create_atomic_type(type->akind);
+ return create_atomic_type(type->akind, (const type_t*) type);
}
static ir_type *get_ir_type_incomplete(type_t *type)
switch (type->kind) {
case TYPE_ERROR:
/* Happens while constant folding, when there was an error */
- return create_atomic_type(ATOMIC_TYPE_VOID);
+ return create_atomic_type(ATOMIC_TYPE_VOID, NULL);
case TYPE_ATOMIC:
- firm_type = create_atomic_type(type->atomic.akind);
+ firm_type = create_atomic_type(type->atomic.akind, type);
break;
case TYPE_COMPLEX:
firm_type = create_complex_type(&type->complex);
{
assert(is_declaration(entity));
decl_modifiers_t modifiers = entity->declaration.modifiers;
- if (modifiers & DM_PURE) {
- /* TRUE if the declaration includes the GNU
- __attribute__((pure)) specifier. */
- set_entity_additional_property(irentity, mtp_property_pure);
- }
- if (modifiers & DM_CONST) {
- set_entity_additional_property(irentity, mtp_property_const);
- have_const_functions = true;
+
+ if (is_method_entity(irentity)) {
+ if (modifiers & DM_PURE) {
+ set_entity_additional_property(irentity, mtp_property_pure);
+ }
+ if (modifiers & DM_CONST) {
+ set_entity_additional_property(irentity, mtp_property_const);
+ have_const_functions = true;
+ }
}
if (modifiers & DM_USED) {
- /* TRUE if the declaration includes the GNU
- __attribute__((used)) specifier. */
- set_entity_stickyness(irentity, stickyness_sticky);
+ add_entity_linkage(irentity, IR_LINKAGE_HIDDEN_USER);
+ }
+ if (modifiers & DM_WEAK) {
+ add_entity_linkage(irentity, IR_LINKAGE_WEAK);
}
}
/**
* Creates an entity representing a function.
*
- * @param declaration the function declaration
+ * @param entity the function declaration/definition
* @param owner_type the owner type of this function, NULL
* for global functions
*/
return entity->function.irentity;
}
+ entity_t *original_entity = entity;
+ if (entity->function.btk != bk_none) {
+ entity = get_builtin_replacement(entity);
+ if (entity == NULL)
+ return NULL;
+ }
+
if (is_main(entity)) {
/* force main to C linkage */
type_t *type = entity->declaration.type;
symbol_t *symbol = entity->base.symbol;
ident *id = new_id_from_str(symbol->string);
-
/* already an entity defined? */
ir_entity *irentity = entitymap_get(&entitymap, symbol);
bool const has_body = entity->function.statement != NULL;
if (irentity != NULL) {
- if (get_entity_visibility(irentity) == visibility_external_allocated
+ if (get_entity_visibility(irentity) == ir_visibility_external
&& has_body) {
- set_entity_visibility(irentity, visibility_external_visible);
+ set_entity_visibility(irentity, ir_visibility_default);
}
goto entity_created;
}
bool const is_inline = entity->function.is_inline;
if (is_inline && storage_class == STORAGE_CLASS_NONE && has_body) {
- set_entity_visibility(irentity, visibility_external_visible);
+ set_entity_visibility(irentity, ir_visibility_default);
} else if (storage_class == STORAGE_CLASS_STATIC ||
(is_inline && has_body)) {
- if (!has_body) {
- /* this entity was declared, but is defined nowhere */
- set_entity_peculiarity(irentity, peculiarity_description);
- }
- set_entity_visibility(irentity, visibility_local);
+ set_entity_visibility(irentity, ir_visibility_local);
} else if (has_body) {
- set_entity_visibility(irentity, visibility_external_visible);
+ set_entity_visibility(irentity, ir_visibility_default);
} else {
- set_entity_visibility(irentity, visibility_external_allocated);
+ set_entity_visibility(irentity, ir_visibility_external);
}
} else {
/* nested functions are always local */
- set_entity_visibility(irentity, visibility_local);
+ set_entity_visibility(irentity, ir_visibility_local);
}
- set_entity_allocation(irentity, allocation_static);
/* We should check for file scope here, but as long as we compile C only
this is not needed. */
entitymap_insert(&entitymap, symbol, irentity);
entity_created:
- entity->declaration.kind = DECLARATION_KIND_FUNCTION;
- entity->function.irentity = irentity;
+ original_entity->declaration.kind = DECLARATION_KIND_FUNCTION;
+ original_entity->function.irentity = irentity;
return irentity;
}
+/**
+ * Creates a SymConst for a given entity.
+ *
+ * @param dbgi debug info
+ * @param mode the (reference) mode for the SymConst
+ * @param entity the entity
+ */
+static ir_node *create_symconst(dbg_info *dbgi, ir_mode *mode,
+ ir_entity *entity)
+{
+ assert(entity != NULL);
+ union symconst_symbol sym;
+ sym.entity_p = entity;
+ return new_d_SymConst(dbgi, mode, sym, symconst_addr_ent);
+}
+
static ir_node *create_conv(dbg_info *dbgi, ir_node *value, ir_mode *dest_mode)
{
ir_mode *value_mode = get_irn_mode(value);
}
/**
- * Creates a Const node representing a constant.
+ * Creates a SymConst node representing a wide string literal.
+ *
+ * @param literal the wide string literal
*/
-static ir_node *const_to_firm(const const_expression_t *cnst)
+static ir_node *wide_string_literal_to_firm(
+ const string_literal_expression_t *literal)
{
- dbg_info *dbgi = get_dbg_info(&cnst->base.source_position);
- type_t *type = skip_typeref(cnst->base.type);
- ir_mode *mode = get_ir_mode_storage(type);
+ ir_type *const global_type = get_glob_type();
+ ir_type *const elem_type = ir_type_wchar_t;
+ dbg_info *const dbgi = get_dbg_info(&literal->base.source_position);
+ ir_type *const type = new_type_array(1, elem_type);
- char buf[128];
- tarval *tv;
- size_t len;
- if (mode_is_float(mode)) {
- tv = new_tarval_from_double(cnst->v.float_value, mode);
- } else {
- if (mode_is_signed(mode)) {
- len = snprintf(buf, sizeof(buf), "%lld", cnst->v.int_value);
- } else {
- len = snprintf(buf, sizeof(buf), "%llu",
- (unsigned long long) cnst->v.int_value);
- }
- tv = new_tarval_from_str(buf, len, mode);
+ ident *const id = id_unique("str.%u");
+ ir_entity *const entity = new_d_entity(global_type, id, type, dbgi);
+ set_entity_ld_ident(entity, id);
+ set_entity_visibility(entity, ir_visibility_private);
+ add_entity_linkage(entity, IR_LINKAGE_CONSTANT);
+
+ ir_mode *const mode = get_type_mode(elem_type);
+ const size_t slen = wstrlen(&literal->value);
+
+ set_array_lower_bound_int(type, 0, 0);
+ set_array_upper_bound_int(type, 0, slen);
+ set_type_size_bytes(type, slen * get_mode_size_bytes(mode));
+ set_type_state(type, layout_fixed);
+
+ ir_initializer_t *initializer = create_initializer_compound(slen);
+ const char *p = literal->value.begin;
+ for (size_t i = 0; i < slen; ++i) {
+ assert(p < literal->value.begin + literal->value.size);
+ utf32 v = read_utf8_char(&p);
+ tarval *tv = new_tarval_from_long(v, mode);
+ ir_initializer_t *val = create_initializer_tarval(tv);
+ set_initializer_compound_value(initializer, i, val);
}
+ set_entity_initializer(entity, initializer);
- ir_node *res = new_d_Const(dbgi, tv);
- ir_mode *mode_arith = get_ir_mode_arithmetic(type);
- return create_conv(dbgi, res, mode_arith);
+ return create_symconst(dbgi, mode_P_data, entity);
}
/**
- * Creates a Const node representing a character constant.
+ * Creates a SymConst node representing a string constant.
+ *
+ * @param src_pos the source position of the string constant
+ * @param id_prefix a prefix for the name of the generated string constant
+ * @param value the value of the string constant
*/
-static ir_node *character_constant_to_firm(const const_expression_t *cnst)
+static ir_node *string_to_firm(const source_position_t *const src_pos,
+ const char *const id_prefix,
+ const string_t *const value)
{
- dbg_info *dbgi = get_dbg_info(&cnst->base.source_position);
- ir_mode *mode = get_ir_mode_arithmetic(cnst->base.type);
+ ir_type *const global_type = get_glob_type();
+ dbg_info *const dbgi = get_dbg_info(src_pos);
+ ir_type *const type = new_type_array(1, ir_type_const_char);
- long long int v;
- size_t const size = cnst->v.character.size;
- if (size == 1 && char_is_signed) {
- v = (signed char)cnst->v.character.begin[0];
- } else {
- v = 0;
- for (size_t i = 0; i < size; ++i) {
- v = (v << 8) | ((unsigned char)cnst->v.character.begin[i]);
+ ident *const id = id_unique(id_prefix);
+ ir_entity *const entity = new_d_entity(global_type, id, type, dbgi);
+ set_entity_ld_ident(entity, id);
+ set_entity_visibility(entity, ir_visibility_private);
+ add_entity_linkage(entity, IR_LINKAGE_CONSTANT);
+
+ ir_type *const elem_type = ir_type_const_char;
+ ir_mode *const mode = get_type_mode(elem_type);
+
+ const char* const string = value->begin;
+ const size_t slen = value->size;
+
+ set_array_lower_bound_int(type, 0, 0);
+ set_array_upper_bound_int(type, 0, slen);
+ set_type_size_bytes(type, slen);
+ set_type_state(type, layout_fixed);
+
+ ir_initializer_t *initializer = create_initializer_compound(slen);
+ for (size_t i = 0; i < slen; ++i) {
+ tarval *tv = new_tarval_from_long(string[i], mode);
+ ir_initializer_t *val = create_initializer_tarval(tv);
+ set_initializer_compound_value(initializer, i, val);
+ }
+ set_entity_initializer(entity, initializer);
+
+ return create_symconst(dbgi, mode_P_data, entity);
+}
+
+static bool try_create_integer(literal_expression_t *literal,
+ type_t *type, unsigned char base)
+{
+ const char *string = literal->value.begin;
+ size_t size = literal->value.size;
+
+ assert(type->kind == TYPE_ATOMIC);
+ atomic_type_kind_t akind = type->atomic.akind;
+
+ ir_mode *mode = atomic_modes[akind];
+ tarval *tv = new_integer_tarval_from_str(string, size, 1, base, mode);
+ if (tv == tarval_bad)
+ return false;
+
+ literal->base.type = type;
+ literal->target_value = tv;
+ return true;
+}
+
+static void create_integer_tarval(literal_expression_t *literal)
+{
+ unsigned us = 0;
+ unsigned ls = 0;
+ symbol_t *suffix = literal->suffix;
+ /* parse suffix */
+ if (suffix != NULL) {
+ for (const char *c = suffix->string; *c != '\0'; ++c) {
+ if (*c == 'u' || *c == 'U') { ++us; }
+ if (*c == 'l' || *c == 'L') { ++ls; }
}
}
- char buf[128];
- size_t len = snprintf(buf, sizeof(buf), "%lld", v);
- tarval *tv = new_tarval_from_str(buf, len, mode);
- return new_d_Const(dbgi, tv);
+ unsigned char base = 10;
+ if (literal->base.kind == EXPR_LITERAL_INTEGER_OCTAL) {
+ base = 8;
+ } else if (literal->base.kind == EXPR_LITERAL_INTEGER_HEXADECIMAL) {
+ base = 16;
+ } else {
+ assert(literal->base.kind == EXPR_LITERAL_INTEGER);
+ }
+
+ tarval_int_overflow_mode_t old_mode = tarval_get_integer_overflow_mode();
+
+ /* now try if the constant is small enough for some types */
+ tarval_set_integer_overflow_mode(TV_OVERFLOW_BAD);
+ if (ls < 1) {
+ if (us == 0 && try_create_integer(literal, type_int, base))
+ goto finished;
+ if ((us == 1 || base != 10)
+ && try_create_integer(literal, type_unsigned_int, base))
+ goto finished;
+ }
+ if (ls < 2) {
+ if (us == 0 && try_create_integer(literal, type_long, base))
+ goto finished;
+ if ((us == 1 || base != 10)
+ && try_create_integer(literal, type_unsigned_long, base))
+ goto finished;
+ }
+ /* last try? then we should not report tarval_bad */
+ if (us != 1 && base == 10)
+ tarval_set_integer_overflow_mode(TV_OVERFLOW_WRAP);
+ if (us == 0 && try_create_integer(literal, type_long_long, base))
+ goto finished;
+
+ /* last try */
+ assert(us == 1 || base != 10);
+ tarval_set_integer_overflow_mode(TV_OVERFLOW_WRAP);
+ bool res = try_create_integer(literal, type_unsigned_long_long, base);
+ if (res == false)
+ panic("internal error when parsing number literal");
+
+finished:
+ tarval_set_integer_overflow_mode(old_mode);
+}
+
+void determine_literal_type(literal_expression_t *literal)
+{
+ switch (literal->base.kind) {
+ case EXPR_LITERAL_INTEGER:
+ case EXPR_LITERAL_INTEGER_OCTAL:
+ case EXPR_LITERAL_INTEGER_HEXADECIMAL:
+ create_integer_tarval(literal);
+ return;
+ default:
+ break;
+ }
}
/**
- * Creates a Const node representing a wide character constant.
+ * Creates a Const node representing a constant.
*/
-static ir_node *wide_character_constant_to_firm(const const_expression_t *cnst)
+static ir_node *literal_to_firm(const literal_expression_t *literal)
{
- dbg_info *dbgi = get_dbg_info(&cnst->base.source_position);
- ir_mode *mode = get_ir_mode_arithmetic(cnst->base.type);
+ type_t *type = skip_typeref(literal->base.type);
+ ir_mode *mode = get_ir_mode_storage(type);
+ const char *string = literal->value.begin;
+ size_t size = literal->value.size;
+ tarval *tv;
+
+ switch (literal->base.kind) {
+ case EXPR_LITERAL_WIDE_CHARACTER: {
+ utf32 v = read_utf8_char(&string);
+ char buf[128];
+ size_t len = snprintf(buf, sizeof(buf), UTF32_PRINTF_FORMAT, v);
- long long int v = cnst->v.wide_character.begin[0];
+ tv = new_tarval_from_str(buf, len, mode);
+ goto make_const;
+ }
+ case EXPR_LITERAL_CHARACTER: {
+ long long int v;
+ if (size == 1 && char_is_signed) {
+ v = (signed char)string[0];
+ } else {
+ v = 0;
+ for (size_t i = 0; i < size; ++i) {
+ v = (v << 8) | ((unsigned char)string[i]);
+ }
+ }
+ char buf[128];
+ size_t len = snprintf(buf, sizeof(buf), "%lld", v);
- char buf[128];
- size_t len = snprintf(buf, sizeof(buf), "%lld", v);
- tarval *tv = new_tarval_from_str(buf, len, mode);
+ tv = new_tarval_from_str(buf, len, mode);
+ goto make_const;
+ }
+ case EXPR_LITERAL_INTEGER:
+ case EXPR_LITERAL_INTEGER_OCTAL:
+ case EXPR_LITERAL_INTEGER_HEXADECIMAL:
+ assert(literal->target_value != NULL);
+ tv = literal->target_value;
+ goto make_const;
+ case EXPR_LITERAL_FLOATINGPOINT:
+ tv = new_tarval_from_str(string, size, mode);
+ goto make_const;
+ case EXPR_LITERAL_FLOATINGPOINT_HEXADECIMAL: {
+ char *buffer = alloca(size + 2);
+ memcpy(buffer, "0x", 2);
+ memcpy(buffer+2, string, size);
+ tv = new_tarval_from_str(buffer, size+2, mode);
+ goto make_const;
+ }
+ case EXPR_LITERAL_BOOLEAN:
+ if (string[0] == 't') {
+ tv = get_mode_one(mode);
+ } else {
+ assert(string[0] == 'f');
+ tv = get_mode_null(mode);
+ }
+ goto make_const;
+ case EXPR_LITERAL_MS_NOOP:
+ tv = get_mode_null(mode);
+ goto make_const;
+ default:
+ break;
+ }
+ panic("Invalid literal kind found");
- return new_d_Const(dbgi, tv);
+make_const: ;
+ dbg_info *dbgi = get_dbg_info(&literal->base.source_position);
+ ir_node *res = new_d_Const(dbgi, tv);
+ ir_mode *mode_arith = get_ir_mode_arithmetic(type);
+ return create_conv(dbgi, res, mode_arith);
}
/*
* Allocate an area of size bytes aligned at alignment
* at a frame type.
*/
-static ir_entity *alloc_trampoline(ir_type *frame_type, int size, unsigned alignment) {
+static ir_entity *alloc_trampoline(ir_type *frame_type, int size, unsigned alignment)
+{
static unsigned area_cnt = 0;
char buf[32];
- snprintf(buf, sizeof(buf), "trampolin%u", area_cnt++);
- ident *name = new_id_from_str(buf);
-
- ir_type *tp = new_type_array(id_mangle_u(get_type_ident(frame_type), name), 1, ir_type_char);
+ ir_type *tp = new_type_array(1, ir_type_char);
set_array_bounds_int(tp, 0, 0, size);
set_type_alignment_bytes(tp, alignment);
+ snprintf(buf, sizeof(buf), "trampolin%u", area_cnt++);
+ ident *name = new_id_from_str(buf);
ir_entity *area = new_entity(frame_type, name, tp);
/* mark this entity as compiler generated */
}
/**
- * Return a node representing a trampoline reagion
- * for a given entity.
+ * Return a node representing a trampoline region
+ * for a given function entity.
*
* @param dbgi debug info
- * @param entity the entity
+ * @param entity the function entity
*/
static ir_node *get_trampoline_region(dbg_info *dbgi, ir_entity *entity)
{
region);
}
-
-/**
- * Creates a SymConst for a given entity.
- *
- * @param dbgi debug info
- * @param mode the (reference) mode for the SymConst
- * @param entity the entity
- */
-static ir_node *create_symconst(dbg_info *dbgi, ir_mode *mode,
- ir_entity *entity)
-{
- assert(entity != NULL);
- union symconst_symbol sym;
- sym.entity_p = entity;
- return new_d_SymConst(dbgi, mode, sym, symconst_addr_ent);
-}
-
/**
- * Creates a SymConst for a given trampoline of an entity.
+ * Creates a trampoline for a function represented by an entity.
*
* @param dbgi debug info
- * @param mode the (reference) mode for the SymConst
- * @param entity the entity
+ * @param mode the (reference) mode for the function address
+ * @param entity the function entity
*/
static ir_node *create_trampoline(dbg_info *dbgi, ir_mode *mode,
ir_entity *entity)
return new_Proj(irn, mode, pn_Builtin_1_result);
}
-/**
- * Creates a SymConst node representing a string constant.
- *
- * @param src_pos the source position of the string constant
- * @param id_prefix a prefix for the name of the generated string constant
- * @param value the value of the string constant
- */
-static ir_node *string_to_firm(const source_position_t *const src_pos,
- const char *const id_prefix,
- const string_t *const value)
-{
- ir_type *const global_type = get_glob_type();
- dbg_info *const dbgi = get_dbg_info(src_pos);
- ir_type *const type = new_d_type_array(id_unique("strtype.%u"), 1,
- ir_type_const_char, dbgi);
-
- ident *const id = id_unique(id_prefix);
- ir_entity *const entity = new_d_entity(global_type, id, type, dbgi);
- set_entity_ld_ident(entity, id);
- set_entity_variability(entity, variability_constant);
- set_entity_allocation(entity, allocation_static);
- set_entity_visibility(entity, visibility_local);
-
- ir_type *const elem_type = ir_type_const_char;
- ir_mode *const mode = get_type_mode(elem_type);
-
- const char* const string = value->begin;
- const size_t slen = value->size;
-
- set_array_lower_bound_int(type, 0, 0);
- set_array_upper_bound_int(type, 0, slen);
- set_type_size_bytes(type, slen);
- set_type_state(type, layout_fixed);
-
- tarval **const tvs = xmalloc(slen * sizeof(tvs[0]));
- for (size_t i = 0; i < slen; ++i) {
- tvs[i] = new_tarval_from_long(string[i], mode);
- }
-
- set_array_entity_values(entity, tvs, slen);
- free(tvs);
-
- return create_symconst(dbgi, mode_P_data, entity);
-}
-
-/**
- * Creates a SymConst node representing a string literal.
- *
- * @param literal the string literal
- */
-static ir_node *string_literal_to_firm(
- const string_literal_expression_t* literal)
-{
- return string_to_firm(&literal->base.source_position, "Lstr.%u",
- &literal->value);
-}
-
-/**
- * Creates a SymConst node representing a wide string literal.
- *
- * @param literal the wide string literal
- */
-static ir_node *wide_string_literal_to_firm(
- const wide_string_literal_expression_t* const literal)
-{
- ir_type *const global_type = get_glob_type();
- ir_type *const elem_type = ir_type_wchar_t;
- dbg_info *const dbgi = get_dbg_info(&literal->base.source_position);
- ir_type *const type = new_d_type_array(id_unique("strtype.%u"), 1,
- elem_type, dbgi);
-
- ident *const id = id_unique("Lstr.%u");
- ir_entity *const entity = new_d_entity(global_type, id, type, dbgi);
- set_entity_ld_ident(entity, id);
- set_entity_variability(entity, variability_constant);
- set_entity_allocation(entity, allocation_static);
-
- ir_mode *const mode = get_type_mode(elem_type);
-
- const wchar_rep_t *const string = literal->value.begin;
- const size_t slen = literal->value.size;
-
- set_array_lower_bound_int(type, 0, 0);
- set_array_upper_bound_int(type, 0, slen);
- set_type_size_bytes(type, slen);
- set_type_state(type, layout_fixed);
-
- tarval **const tvs = xmalloc(slen * sizeof(tvs[0]));
- for (size_t i = 0; i < slen; ++i) {
- tvs[i] = new_tarval_from_long(string[i], mode);
- }
-
- set_array_entity_values(entity, tvs, slen);
- free(tvs);
-
- return create_symconst(dbgi, mode_P_data, entity);
-}
-
/**
* Dereference an address.
*
/* make sure the type is constructed */
(void) get_ir_type(type);
- /* for gcc compatibility we have to produce (dummy) addresses for some
- * builtins */
if (entity->kind == ENTITY_FUNCTION && entity->function.btk != bk_none) {
- if (warning.other) {
- warningf(&ref->base.source_position,
- "taking address of builtin '%Y'", ref->entity->base.symbol);
- }
+ ir_entity *irentity = get_function_entity(entity, NULL);
+ /* for gcc compatibility we have to produce (dummy) addresses for some
+ * builtins which don't have entities */
+ if (irentity == NULL) {
+ if (warning.other) {
+ warningf(&ref->base.source_position,
+ "taking address of builtin '%Y'",
+ ref->entity->base.symbol);
+ }
- /* simply create a NULL pointer */
- ir_mode *mode = get_ir_mode_arithmetic(type_void_ptr);
- ir_node *res = new_Const_long(mode, 0);
+ /* simply create a NULL pointer */
+ ir_mode *mode = get_ir_mode_arithmetic(type_void_ptr);
+ ir_node *res = new_Const_long(mode, 0);
- return res;
+ return res;
+ }
}
switch ((declaration_kind_t) entity->declaration.kind) {
* @param function_type the function type for the GNU builtin routine
* @param db debug info
*/
-static ir_node *gen_unary_builtin_pinned(ir_builtin_kind kind, expression_t *op, type_t *function_type, dbg_info *db)
+static ir_node *gen_unary_builtin_pinned(ir_builtin_kind kind, expression_t *op,
+ type_t *function_type, dbg_info *db)
{
ir_node *in[1];
in[0] = expression_to_firm(op);
return new_Proj(irn, get_type_mode(res), pn_Builtin_1_result);
}
-
/**
* Generate an binary-void-return builtin.
*
* @param function_type the function type for the GNU builtin routine
* @param db debug info
*/
-static ir_node *gen_binary_builtin_mem(ir_builtin_kind kind, expression_t *op1, expression_t *op2,
- type_t *function_type, dbg_info *db)
+static ir_node *gen_binary_builtin_mem(ir_builtin_kind kind, expression_t *op1,
+ expression_t *op2, type_t *function_type,
+ dbg_info *db)
{
ir_node *in[2];
in[0] = expression_to_firm(op1);
}
case bk_gnu_builtin_huge_val:
+ case bk_gnu_builtin_huge_valf:
+ case bk_gnu_builtin_huge_vall:
case bk_gnu_builtin_inf:
case bk_gnu_builtin_inff:
case bk_gnu_builtin_infl: {
entity_t *entity = ref->entity;
if (entity->kind == ENTITY_FUNCTION) {
- if (entity->function.btk != bk_none) {
- return process_builtin_call(call);
- }
-
ir_entity *irentity = entity->function.irentity;
if (irentity == NULL)
irentity = get_function_entity(entity, NULL);
+ if (irentity == NULL && entity->function.btk != bk_none) {
+ return process_builtin_call(call);
+ }
+
if (irentity == rts_entities[rts_alloca]) {
/* handle alloca() call */
expression_t *argument = call->arguments->expression;
/* we need to construct a new method type matching the call
* arguments... */
+ type_dbg_info *tdbgi = get_type_dbg_info_((const type_t*) function_type);
int n_res = get_method_n_ress(ir_method_type);
- new_method_type = new_d_type_method(id_unique("calltype.%u"),
- n_parameters, n_res, dbgi);
+ new_method_type = new_d_type_method(n_parameters, n_res, tdbgi);
set_method_calling_convention(new_method_type,
get_method_calling_convention(ir_method_type));
set_method_additional_properties(new_method_type,
ir_node *store = get_store();
ir_node *node = new_d_Call(dbgi, store, callee, n_parameters, in,
ir_method_type);
- ir_node *mem = new_d_Proj(dbgi, node, mode_M, pn_Call_M_regular);
+ ir_node *mem = new_d_Proj(dbgi, node, mode_M, pn_Call_M);
set_store(mem);
type_t *return_type = skip_typeref(function_type->return_type);
} else {
ir_type *irtype = get_ir_type(type);
ir_node *copyb = new_d_CopyB(dbgi, memory, addr, value, irtype);
- ir_node *copyb_mem = new_Proj(copyb, mode_M, pn_CopyB_M_regular);
+ ir_node *copyb_mem = new_Proj(copyb, mode_M, pn_CopyB_M);
set_store(copyb_mem);
}
}
ir_entity *const entity = new_d_entity(frame_type, id, irtype, dbgi);
set_entity_ld_ident(entity, id);
- set_entity_variability(entity, variability_uninitialized);
-
/* create initialisation code */
initializer_t *initializer = expression->initializer;
create_local_initializer(initializer, dbgi, entity, type);
#endif
switch (expression->kind) {
- case EXPR_CHARACTER_CONSTANT:
- return character_constant_to_firm(&expression->conste);
- case EXPR_WIDE_CHARACTER_CONSTANT:
- return wide_character_constant_to_firm(&expression->conste);
- case EXPR_CONST:
- return const_to_firm(&expression->conste);
+ EXPR_LITERAL_CASES
+ return literal_to_firm(&expression->literal);
case EXPR_STRING_LITERAL:
- return string_literal_to_firm(&expression->string);
+ return string_to_firm(&expression->base.source_position, "str.%u",
+ &expression->literal.value);
case EXPR_WIDE_STRING_LITERAL:
- return wide_string_literal_to_firm(&expression->wide_string);
+ return wide_string_literal_to_firm(&expression->string_literal);
case EXPR_REFERENCE:
return reference_expression_to_firm(&expression->reference);
case EXPR_REFERENCE_ENUM_VALUE:
variable->declaration.kind = (unsigned char) declaration_kind;
variable->variable.v.entity = irentity;
- set_entity_variability(irentity, variability_uninitialized);
set_entity_ld_ident(irentity, create_ld_ident(variable));
- if (parent_type == get_tls_type())
- set_entity_allocation(irentity, allocation_automatic);
- else if (declaration_kind == DECLARATION_KIND_GLOBAL_VARIABLE)
- set_entity_allocation(irentity, allocation_static);
-
if (type->base.qualifiers & TYPE_QUALIFIER_VOLATILE) {
set_entity_volatility(irentity, volatility_is_volatile);
}
static ir_initializer_t *create_ir_initializer_wide_string(
const initializer_wide_string_t *initializer, type_t *type)
{
- size_t string_len = initializer->string.size;
assert(type->kind == TYPE_ARRAY);
assert(type->array.size_constant);
size_t len = type->array.size;
+ size_t string_len = wstrlen(&initializer->string);
ir_initializer_t *irinitializer = create_initializer_compound(len);
- const wchar_rep_t *string = initializer->string.begin;
- ir_mode *mode = get_type_mode(ir_type_wchar_t);
+ const char *p = initializer->string.begin;
+ ir_mode *mode = get_type_mode(ir_type_wchar_t);
for (size_t i = 0; i < len; ++i) {
- wchar_rep_t c = 0;
+ utf32 c = 0;
if (i < string_len) {
- c = string[i];
+ c = read_utf8_char(&p);
}
tarval *tv = new_tarval_from_long(c, mode);
ir_initializer_t *char_initializer = create_initializer_tarval(tv);
}
case IR_INITIALIZER_CONST: {
ir_node *node = get_initializer_const_value(initializer);
- ir_mode *mode = get_irn_mode(node);
ir_type *ent_type = get_entity_type(entity);
/* is it a bitfield type? */
return;
}
- assert(get_type_mode(type) == mode);
+ assert(get_type_mode(type) == get_irn_mode(node));
ir_node *mem = get_store();
ir_node *store = new_d_Store(dbgi, mem, base_addr, node, cons_none);
ir_node *proj_m = new_Proj(store, mode_M, pn_Store_M);
}
case IR_INITIALIZER_TARVAL: {
tarval *tv = get_initializer_tarval_value(initializer);
- ir_mode *mode = get_tarval_mode(tv);
ir_node *cnst = new_d_Const(dbgi, tv);
ir_type *ent_type = get_entity_type(entity);
return;
}
- assert(get_type_mode(type) == mode);
+ assert(get_type_mode(type) == get_tarval_mode(tv));
ir_node *mem = get_store();
ir_node *store = new_d_Store(dbgi, mem, base_addr, cnst, cons_none);
ir_node *proj_m = new_Proj(store, mode_M, pn_Store_M);
ir_entity *const init_entity = new_d_entity(global_type, id, irtype, dbgi);
set_entity_ld_ident(init_entity, id);
- set_entity_variability(init_entity, variability_initialized);
- set_entity_visibility(init_entity, visibility_local);
- set_entity_allocation(init_entity, allocation_static);
+ set_entity_visibility(init_entity, ir_visibility_private);
+ add_entity_linkage(init_entity, IR_LINKAGE_CONSTANT);
set_entity_initializer(init_entity, irinitializer);
ir_node *const src_addr = create_symconst(dbgi, mode_P_data, init_entity);
ir_node *const copyb = new_d_CopyB(dbgi, memory, addr, src_addr, irtype);
- ir_node *const copyb_mem = new_Proj(copyb, mode_M, pn_CopyB_M_regular);
+ ir_node *const copyb_mem = new_Proj(copyb, mode_M, pn_CopyB_M);
set_store(copyb_mem);
}
ir_entity *irentity = entity->variable.v.entity;
- if (tq & TYPE_QUALIFIER_CONST) {
- set_entity_variability(irentity, variability_constant);
- } else {
- set_entity_variability(irentity, variability_initialized);
+ if (tq & TYPE_QUALIFIER_CONST
+ && get_entity_owner(irentity) != get_tls_type()) {
+ add_entity_linkage(irentity, IR_LINKAGE_CONSTANT);
}
set_atomic_ent_value(irentity, value);
}
= create_ir_initializer(initializer, type);
if (tq & TYPE_QUALIFIER_CONST) {
- set_entity_variability(irentity, variability_constant);
- } else {
- set_entity_variability(irentity, variability_initialized);
+ add_entity_linkage(irentity, IR_LINKAGE_CONSTANT);
}
set_entity_initializer(irentity, irinitializer);
}
size_t l = strlen(entity->base.symbol->string);
char buf[l + sizeof(".%u")];
snprintf(buf, sizeof(buf), "%s.%%u", entity->base.symbol->string);
- ident *const id = id_unique(buf);
-
+ ident *const id = id_unique(buf);
ir_entity *const irentity = new_d_entity(var_type, id, irtype, dbgi);
if (type->base.qualifiers & TYPE_QUALIFIER_VOLATILE) {
entity->variable.v.entity = irentity;
set_entity_ld_ident(irentity, id);
- set_entity_variability(irentity, variability_uninitialized);
- set_entity_visibility(irentity, visibility_local);
- set_entity_allocation(irentity, entity->variable.thread_local ?
- allocation_automatic : allocation_static);
+ set_entity_visibility(irentity, ir_visibility_local);
ir_graph *const old_current_ir_graph = current_ir_graph;
current_ir_graph = get_const_code_irg();
static void create_global_variable(entity_t *entity)
{
+ ir_linkage linkage = 0;
+ ir_visibility visibility = ir_visibility_default;
+ ir_entity *irentity;
assert(entity->kind == ENTITY_VARIABLE);
- ir_visibility vis;
switch ((storage_class_tag_t)entity->declaration.storage_class) {
- case STORAGE_CLASS_STATIC: vis = visibility_local; break;
- case STORAGE_CLASS_EXTERN: vis = visibility_external_allocated; break;
- case STORAGE_CLASS_NONE: vis = visibility_external_visible; break;
-
- default: panic("Invalid storage class for global variable");
+ case STORAGE_CLASS_EXTERN: visibility = ir_visibility_external; break;
+ case STORAGE_CLASS_STATIC: visibility = ir_visibility_local; break;
+ case STORAGE_CLASS_NONE:
+ visibility = ir_visibility_default;
+ /* uninitialized globals get merged in C */
+ if (entity->variable.initializer == NULL)
+ linkage |= IR_LINKAGE_MERGE;
+ break;
+ case STORAGE_CLASS_TYPEDEF:
+ case STORAGE_CLASS_AUTO:
+ case STORAGE_CLASS_REGISTER:
+ panic("invalid storage class for global var");
}
- ir_type *var_type = entity->variable.thread_local ?
- get_tls_type() : get_glob_type();
- create_variable_entity(entity,
- DECLARATION_KIND_GLOBAL_VARIABLE, var_type);
- set_entity_visibility(entity->variable.v.entity, vis);
+ ir_type *var_type = get_glob_type();
+ if (entity->variable.thread_local) {
+ var_type = get_tls_type();
+ /* LINKAGE_MERGE not supported by current linkers */
+ linkage &= ~IR_LINKAGE_MERGE;
+ }
+ create_variable_entity(entity, DECLARATION_KIND_GLOBAL_VARIABLE, var_type);
+ irentity = entity->variable.v.entity;
+ add_entity_linkage(irentity, linkage);
+ set_entity_visibility(irentity, visibility);
}
static void create_local_declaration(entity_t *entity)
static void switch_statement_to_firm(switch_statement_t *statement)
{
- ir_node *first_block = get_cur_block();
+ ir_node *first_block = NULL;
dbg_info *dbgi = get_dbg_info(&statement->base.source_position);
ir_node *cond = NULL;
- if (first_block != NULL) {
+
+ if (get_cur_block() != NULL) {
ir_node *expression = expression_to_firm(statement->expression);
cond = new_d_Cond(dbgi, expression);
+ first_block = get_cur_block();
}
set_cur_block(NULL);
char buf[64];
ir_node *value = get_value_from_lvalue(expr, addr);
- snprintf(buf, sizeof(buf), "%u", pos);
+ snprintf(buf, sizeof(buf), "%u", (unsigned) out_size);
ir_asm_constraint constraint;
constraint.pos = pos;
if (entity->function.need_closure) {
/* add an extra parameter for the static link */
- entity->function.static_link = new_r_Proj(irg, start_block, args, mode_P_data, 0);
+ entity->function.static_link = new_r_Proj(start_block, args, mode_P_data, 0);
++first_param_nr;
}
ir_mode *param_mode = get_type_mode(param_irtype);
long pn = n + first_param_nr;
- ir_node *value = new_r_Proj(irg, start_block, args, param_mode, pn);
+ ir_node *value = new_r_Proj(start_block, args, param_mode, pn);
ir_mode *mode = get_ir_mode_storage(type);
value = create_conv(NULL, value, mode);
const char *unique_template)
{
ir_type *method_type = get_entity_type(method);
- ident *id = id_unique(unique_template);
- ir_type *ptr_type = new_type_pointer(id, method_type, mode_P_code);
+ ir_type *ptr_type = new_type_pointer(method_type);
+ /* these entities don't really have a name but firm only allows
+ * "" in ld_ident.
+ * Note that we mustn't give these entities a name since for example
+ * Mach-O doesn't allow them. */
ident *ide = id_unique(unique_template);
ir_entity *ptr = new_entity(segment, ide, ptr_type);
ir_graph *irg = get_const_code_irg();
ir_node *val = new_rd_SymConst_addr_ent(NULL, irg, mode_P_code,
method, NULL);
+ set_entity_ld_ident(ptr, new_id_from_chars("", 0));
set_entity_compiler_generated(ptr, 1);
- set_entity_variability(ptr, variability_constant);
+ set_entity_visibility(ptr, ir_visibility_local);
+ add_entity_linkage(ptr, IR_LINKAGE_CONSTANT|IR_LINKAGE_HIDDEN_USER);
set_atomic_ent_value(ptr, val);
}
obstack_init(&asm_obst);
init_atomic_modes();
+ ir_set_debug_retrieve(dbg_retrieve);
+ ir_set_type_debug_retrieve(dbg_print_type_dbg_info);
+
/* OS option must be set to the backend */
switch (firm_opt.os_support) {
case OS_SUPPORT_MINGW:
void translation_unit_to_firm(translation_unit_t *unit)
{
+ /* initialize firm arithmetic */
+ tarval_set_integer_overflow_mode(TV_OVERFLOW_WRAP);
+
/* just to be sure */
continue_label = NULL;
break_label = NULL;
projects / cparser / blobdiff