X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ast2firm.c;h=7db20e2fd27ea0ac8ee33564ad9cbc22dd4a117e;hb=875418c7e5f409c4bf503f749ede8f9c1d8e7996;hp=d6981ef261063edc63bee15577fdd68265125b85;hpb=df568dc033e2cbd94e0c3bbd632f56e8b989b75e;p=cparser diff --git a/ast2firm.c b/ast2firm.c index d6981ef..7db20e2 100644 --- a/ast2firm.c +++ b/ast2firm.c @@ -43,6 +43,10 @@ #define MAGIC_DEFAULT_PN_NUMBER (long) -314159265 +/* some idents needed for name mangling */ +static ident *id_underscore; +static ident *id_imp; + static ir_type *ir_type_const_char; static ir_type *ir_type_wchar_t; static ir_type *ir_type_void; @@ -112,17 +116,6 @@ static dbg_info *get_dbg_info(const source_position_t *pos) return (dbg_info*) pos; } -static unsigned unique_id = 0; - -static ident *unique_ident(const char *tag) -{ - char buf[256]; - - snprintf(buf, sizeof(buf), "%s.%u", tag, unique_id); - unique_id++; - return new_id_from_str(buf); -} - static ir_mode *_atomic_modes[ATOMIC_TYPE_LAST+1]; static ir_mode *mode_int, *mode_uint; @@ -221,6 +214,10 @@ static unsigned get_type_size_const(type_t *type) panic("error type occured"); case TYPE_ATOMIC: return get_atomic_type_size(type->atomic.akind); + case TYPE_COMPLEX: + return 2 * get_atomic_type_size(type->complex.akind); + case TYPE_IMAGINARY: + return get_atomic_type_size(type->imaginary.akind); case TYPE_ENUM: return get_mode_size_bytes(mode_int); case TYPE_COMPOUND_UNION: @@ -281,19 +278,51 @@ static unsigned count_parameters(const function_type_t *function_type) return count; } +/** + * Creates a Firm type for an atomic type + */ static ir_type *create_atomic_type(const atomic_type_t *type) { 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); - if(type->base.alignment > alignment) - alignment = type->base.alignment; + set_type_alignment_bytes(irtype, type->base.alignment); - set_type_alignment_bytes(irtype, alignment); + return irtype; +} + +/** + * Creates a Firm type for a complex type + */ +static ir_type *create_complex_type(const complex_type_t *type) +{ + dbg_info *dbgi = get_dbg_info(&type->base.source_position); + atomic_type_kind_t kind = type->akind; + ir_mode *mode = _atomic_modes[kind]; + ident *id = get_mode_ident(mode); + + (void) id; + (void) dbgi; + + /* FIXME: finish the array */ + return NULL; +} + +/** + * Creates a Firm type for an imaginary type + */ +static ir_type *create_imaginary_type(const imaginary_type_t *type) +{ + dbg_info *dbgi = get_dbg_info(&type->base.source_position); + atomic_type_kind_t kind = type->akind; + ir_mode *mode = _atomic_modes[kind]; + ident *id = get_mode_ident(mode); + ir_type *irtype = new_d_type_primitive(id, mode, dbgi); + + set_type_alignment_bytes(irtype, type->base.alignment); return irtype; } @@ -302,7 +331,7 @@ static ir_type *create_method_type(const function_type_t *function_type) { type_t *return_type = function_type->return_type; - ident *id = unique_ident("functiontype"); + ident *id = id_unique("functiontype.%u"); int n_parameters = count_parameters(function_type); int n_results = return_type == type_void ? 0 : 1; dbg_info *dbgi = get_dbg_info(&function_type->base.source_position); @@ -337,7 +366,7 @@ static ir_type *create_pointer_type(pointer_type_t *type) * and then set the real points_to type */ dbg_info *dbgi = get_dbg_info(&type->base.source_position); - ir_type *ir_type = new_d_type_pointer(unique_ident("pointer"), + ir_type *ir_type = new_d_type_pointer(id_unique("pointer.%u"), ir_type_void, mode_P_data, dbgi); type->base.firm_type = ir_type; @@ -352,7 +381,7 @@ 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 = unique_ident("array"); + ident *id = id_unique("array.%u"); dbg_info *dbgi = get_dbg_info(&type->base.source_position); ir_type *ir_type = new_d_type_array(id, 1, ir_element_type, dbgi); @@ -484,9 +513,9 @@ static ir_type *create_struct_type(compound_type_t *type, ir_type *irtype, symbol_t *symbol = declaration->symbol; ident *id; if(symbol != NULL) { - id = unique_ident(symbol->string); + id = new_id_from_str(symbol->string); } else { - id = unique_ident("__anonymous_struct"); + id = id_unique("__anonymous_struct.%u"); } dbg_info *dbgi = get_dbg_info(&type->base.source_position); @@ -522,7 +551,7 @@ static ir_type *create_struct_type(compound_type_t *type, ir_type *irtype, } else { assert(entry_type->kind == TYPE_BITFIELD); } - ident = unique_ident("anon"); + ident = id_unique("anon.%u"); } ir_type *base_irtype; @@ -619,9 +648,9 @@ static ir_type *create_union_type(compound_type_t *type, ir_type *irtype, symbol_t *symbol = declaration->symbol; ident *id; if(symbol != NULL) { - id = unique_ident(symbol->string); + id = new_id_from_str(symbol->string); } else { - id = unique_ident("__anonymous_union"); + id = id_unique("__anonymous_union.%u"); } dbg_info *dbgi = get_dbg_info(&type->base.source_position); @@ -665,7 +694,7 @@ static ir_type *create_union_type(compound_type_t *type, ir_type *irtype, if(entry_size > size) { size = entry_size; } - ident = unique_ident("anon"); + ident = id_unique("anon.%u"); } size_t entry_size = get_type_size_bytes(entry_ir_type); @@ -759,10 +788,16 @@ static ir_type *get_ir_type(type_t *type) ir_type *firm_type = NULL; switch(type->kind) { case TYPE_ERROR: - panic("error type occured"); + panic("error type occurred"); case TYPE_ATOMIC: firm_type = create_atomic_type(&type->atomic); break; + case TYPE_COMPLEX: + firm_type = create_complex_type(&type->complex); + break; + case TYPE_IMAGINARY: + firm_type = create_imaginary_type(&type->imaginary); + break; case TYPE_FUNCTION: firm_type = create_method_type(&type->function); break; @@ -900,44 +935,58 @@ static const struct { /** * Mangles an entity linker (ld) name for win32 usage. * - * @param ent the entity to be mangled - * @param decl_modifiers the set of modifiers for this entity + * @param ent the entity to be mangled + * @param declaration the declaration */ -static ir_ident_ptr decorate_win32(ir_entity_ptr ent, decl_modifiers_t decl_modifiers) { - ir_ident_ptr id; +static ident *create_ld_ident_win32(ir_entity *ent, declaration_t *declaration) +{ + ident *id; if (is_Method_type(get_entity_type(ent))) id = decorate_win32_c_fkt(ent, get_entity_ident(ent)); else { /* always add an underscore in win32 */ - id = mangle(new_id_from_chars("_", 1), get_entity_ident(ent)); + id = mangle(id_underscore, get_entity_ident(ent)); } + decl_modifiers_t decl_modifiers = declaration->decl_modifiers; if (decl_modifiers & DM_DLLIMPORT) { /* add prefix for imported symbols */ - id = mangle(new_id_from_chars("__imp_", 6), id); + id = mangle(id_imp, id); } return id; } /** - * Mangles an entity linker (ld) name from a declaration. + * Mangles an entity linker (ld) name for Linux ELF usage. * - * @param ent the entity to be mangled - * @param declaration the declaration + * @param ent the entity to be mangled + * @param declaration the declaration */ -static void mangle_ent_from_decl(ir_entity *ent, declaration_t *declaration) +static ident *create_ld_ident_linux_elf(ir_entity *entity, + declaration_t *declaration) { - ident *id; - - if (firm_opt.os_support == OS_SUPPORT_MINGW) - id = decorate_win32(ent, declaration->decl_modifiers); - else - id = get_entity_ident(ent); + (void) declaration; + return get_entity_ident(entity); +} - set_entity_ld_ident(ent, id); +/** + * Mangles an entity linker (ld) name for Mach-O usage. + * + * @param ent the entity to be mangled + * @param declaration the declaration + */ +static ident *create_ld_ident_macho(ir_entity *ent, declaration_t *declaration) +{ + (void) declaration; + ident *id = mangle(id_underscore, get_entity_ident(ent)); + return id; } +typedef ident* (*create_ld_ident_func)(ir_entity *entity, + declaration_t *declaration); +create_ld_ident_func create_ld_ident = create_ld_ident_linux_elf; + static ir_entity* get_function_entity(declaration_t *declaration) { if(declaration->declaration_kind == DECLARATION_KIND_FUNCTION) @@ -953,7 +1002,7 @@ static ir_entity* get_function_entity(declaration_t *declaration) dbg_info *const dbgi = get_dbg_info(&declaration->source_position); ir_entity *const entity = new_d_entity(global_type, id, ir_type_method, dbgi); - mangle_ent_from_decl(entity, declaration); + set_entity_ld_ident(entity, create_ld_ident(entity, declaration)); if(declaration->storage_class == STORAGE_CLASS_STATIC || declaration->is_inline) { set_entity_visibility(entity, visibility_local); @@ -1048,7 +1097,7 @@ static ir_node *wide_character_constant_to_firm(const const_expression_t *cnst) } static ir_node *create_symconst(dbg_info *dbgi, ir_mode *mode, - ir_entity *entity) + ir_entity *entity) { assert(entity != NULL); union symconst_symbol sym; @@ -1062,10 +1111,10 @@ static ir_node *string_to_firm(const source_position_t *const src_pos, { 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(unique_ident("strtype"), 1, + ir_type *const type = new_d_type_array(id_unique("strtype.%u"), 1, ir_type_const_char, dbgi); - ident *const id = unique_ident(id_prefix); + 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); @@ -1096,7 +1145,7 @@ static ir_node *string_to_firm(const source_position_t *const src_pos, static ir_node *string_literal_to_firm( const string_literal_expression_t* literal) { - return string_to_firm(&literal->base.source_position, "Lstr", + return string_to_firm(&literal->base.source_position, "Lstr.%u", &literal->value); } @@ -1106,10 +1155,10 @@ static ir_node *wide_string_literal_to_firm( 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(unique_ident("strtype"), 1, + ir_type *const type = new_d_type_array(id_unique("strtype.%u"), 1, elem_type, dbgi); - ident *const id = unique_ident("Lstr"); + 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); @@ -1384,7 +1433,7 @@ static ir_node *call_expression_to_firm(const call_expression_t *call) * arguments... */ int n_res = get_method_n_ress(ir_method_type); dbg_info *dbgi = get_dbg_info(&call->base.source_position); - new_method_type = new_d_type_method(unique_ident("calltype"), + new_method_type = new_d_type_method(id_unique("calltype.%u"), n_parameters, n_res, dbgi); set_method_calling_convention(new_method_type, get_method_calling_convention(ir_method_type)); @@ -2330,7 +2379,7 @@ static ir_node *compound_literal_to_firm( /* create an entity on the stack */ ir_type *frame_type = get_irg_frame_type(current_ir_graph); - ident *const id = unique_ident("CompLit"); + ident *const id = id_unique("CompLit.%u"); ir_type *const irtype = get_ir_type(type); dbg_info *const dbgi = get_dbg_info(&expression->base.source_position); ir_entity *const entity = new_d_entity(frame_type, id, irtype, dbgi); @@ -2534,7 +2583,7 @@ static ir_node *classify_type_to_firm(const classify_type_expression_t *const ex { case TYPE_ATOMIC: { const atomic_type_t *const atomic_type = &type->atomic; - switch ((atomic_type_kind_t) atomic_type->akind) { + switch (atomic_type->akind) { /* should not be reached */ case ATOMIC_TYPE_INVALID: tc = no_type_class; @@ -2565,21 +2614,12 @@ static ir_node *classify_type_to_firm(const classify_type_expression_t *const ex case ATOMIC_TYPE_LONG_DOUBLE: tc = real_type_class; goto make_const; - - case ATOMIC_TYPE_FLOAT_COMPLEX: - case ATOMIC_TYPE_DOUBLE_COMPLEX: - case ATOMIC_TYPE_LONG_DOUBLE_COMPLEX: - tc = complex_type_class; - goto make_const; - case ATOMIC_TYPE_FLOAT_IMAGINARY: - case ATOMIC_TYPE_DOUBLE_IMAGINARY: - case ATOMIC_TYPE_LONG_DOUBLE_IMAGINARY: - tc = complex_type_class; - goto make_const; } panic("Unexpected atomic type in classify_type_to_firm()."); } + case TYPE_COMPLEX: tc = complex_type_class; goto make_const; + case TYPE_IMAGINARY: tc = complex_type_class; goto make_const; 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 */ @@ -2618,7 +2658,7 @@ static ir_node *function_name_to_firm( 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); + current_function_name = string_to_firm(src_pos, "__func__.%u", &string); } return current_function_name; case FUNCNAME_FUNCSIG: @@ -2627,7 +2667,7 @@ static ir_node *function_name_to_firm( 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); + current_funcsig = string_to_firm(src_pos, "__FUNCSIG__.%u", &string); } return current_funcsig; } @@ -2896,11 +2936,11 @@ static void create_declaration_entity(declaration_t *declaration, 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); - mangle_ent_from_decl(entity, declaration); declaration->declaration_kind = (unsigned char) declaration_kind; declaration->v.entity = entity; set_entity_variability(entity, variability_uninitialized); + set_entity_ld_ident(entity, create_ld_ident(entity, declaration)); if(parent_type == get_tls_type()) set_entity_allocation(entity, allocation_automatic); else if(declaration_kind == DECLARATION_KIND_GLOBAL_VARIABLE) @@ -3232,7 +3272,7 @@ static ir_initializer_t *create_ir_initializer_string( if(i < string_len) c = string[i]; - tarval *tv = new_tarval_from_long(string[i], mode); + tarval *tv = new_tarval_from_long(c, mode); ir_initializer_t *char_initializer = create_initializer_tarval(tv); set_initializer_compound_value(irinitializer, i, char_initializer); @@ -3257,7 +3297,7 @@ static ir_initializer_t *create_ir_initializer_wide_string( if(i < string_len) { c = string[i]; } - tarval *tv = new_tarval_from_long(string[i], mode); + tarval *tv = new_tarval_from_long(c, mode); ir_initializer_t *char_initializer = create_initializer_tarval(tv); set_initializer_compound_value(irinitializer, i, char_initializer); @@ -3289,6 +3329,7 @@ static ir_initializer_t *create_ir_initializer( panic("unknown initializer"); } +#if 0 static void create_dynamic_null_initializer(ir_type *type, dbg_info *dbgi, ir_node *base_addr) { @@ -3302,6 +3343,7 @@ static void create_dynamic_null_initializer(ir_type *type, dbg_info *dbgi, ir_node *proj_m = new_Proj(store, mode_M, pn_Store_M); set_store(proj_m); } +#endif static void create_dynamic_initializer_sub(ir_initializer_t *initializer, ir_type *type, dbg_info *dbgi, ir_node *base_addr) @@ -3435,7 +3477,7 @@ static void create_local_initializer(initializer_t *initializer, dbg_info *dbgi, current_ir_graph = old_current_ir_graph; /* create a "template" entity which is copied to the entity on the stack */ - ident *const id = unique_ident("initializer"); + ident *const id = id_unique("initializer.%u"); ir_type *const irtype = get_ir_type(type); ir_type *const global_type = get_glob_type(); ir_entity *const init_entity = new_d_entity(global_type, id, irtype, dbgi); @@ -3571,11 +3613,10 @@ static void create_local_static_variable(declaration_t *declaration) type_t *const type = skip_typeref(declaration->type); ir_type *const global_type = get_glob_type(); - ident *const id = unique_ident(declaration->symbol->string); + ident *const id = new_id_from_str(declaration->symbol->string); 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(global_type, id, irtype, dbgi); - mangle_ent_from_decl(entity, declaration); if(type->base.qualifiers & TYPE_QUALIFIER_VOLATILE) { set_entity_volatility(entity, volatility_is_volatile); @@ -3583,6 +3624,7 @@ static void create_local_static_variable(declaration_t *declaration) declaration->declaration_kind = DECLARATION_KIND_GLOBAL_VARIABLE; declaration->v.entity = entity; + set_entity_ld_ident(entity, create_ld_ident(entity, declaration)); set_entity_variability(entity, variability_uninitialized); set_entity_visibility(entity, visibility_local); set_entity_allocation(entity, allocation_static); @@ -4795,6 +4837,27 @@ void init_ast2firm(void) obstack_init(&asm_obst); init_atomic_modes(); + id_underscore = new_id_from_chars("_", 1); + id_imp = new_id_from_chars("__imp_", 6); + + /* OS option must be set to the backend */ + const char *s = "ia32-gasmode=linux"; + switch (firm_opt.os_support) { + case OS_SUPPORT_WIN32: + create_ld_ident = create_ld_ident_win32; + s = "ia32-gasmode=mingw"; + break; + case OS_SUPPORT_LINUX: + create_ld_ident = create_ld_ident_linux_elf; + s = "ia32-gasmode=linux"; break; + break; + case OS_SUPPORT_MACHO: + create_ld_ident = create_ld_ident_macho; + s = "ia32-gasmode=macho"; break; + break; + } + firm_be_option(s); + /* create idents for all known runtime functions */ for (size_t i = 0; i < sizeof(rts_data) / sizeof(rts_data[0]); ++i) { predef_idents[rts_data[i].id] = new_id_from_str(rts_data[i].name);