/*
* This file is part of cparser.
- * Copyright (C) 2007-2008 Matthias Braun <matze@braunis.de>
+ * Copyright (C) 2007-2009 Matthias Braun <matze@braunis.de>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
static char get_atomic_type_mangle(atomic_type_kind_t kind)
{
switch (kind) {
- case ATOMIC_TYPE_INVALID: break;
case ATOMIC_TYPE_VOID: return 'v';
+ case ATOMIC_TYPE_WCHAR_T: return 'w';
case ATOMIC_TYPE_BOOL: return 'b';
case ATOMIC_TYPE_CHAR: return 'c';
case ATOMIC_TYPE_SCHAR: return 'a';
case ATOMIC_TYPE_FLOAT: return 'f';
case ATOMIC_TYPE_DOUBLE: return 'd';
}
- panic("invalid atomic type in mangler");
+ panic("invalid atomic type");
}
static void mangle_atomic_type(const atomic_type_t *type)
mangle_type(type->points_to);
}
+static void mangle_reference_type(const reference_type_t *type)
+{
+ obstack_1grow(&obst, 'R');
+ mangle_type(type->refers_to);
+}
+
+static void mangle_parameters(const function_type_t *type)
+{
+ if (type->unspecified_parameters)
+ panic("can't mangle unspecified parameter types");
+ if (type->kr_style_parameters)
+ panic("can't mangle kr_style_parameters type");
+
+ const function_parameter_t *parameter = type->parameters;
+ if (parameter != NULL) {
+ for ( ; parameter != NULL; parameter = parameter->next) {
+ mangle_type(parameter->type);
+ }
+ if (type->variadic) {
+ obstack_1grow(&obst, 'z');
+ }
+ } else {
+ obstack_1grow(&obst, 'v');
+ }
+}
+
static void mangle_function_type(const function_type_t *type)
{
obstack_1grow(&obst, 'F');
}
mangle_type(type->return_type);
+ mangle_parameters(type);
- function_parameter_t *parameter = type->parameters;
- for ( ; parameter != NULL; parameter = parameter->next) {
- mangle_type(parameter->type);
+ obstack_1grow(&obst, 'E');
+}
+
+static void print_name(const char* name)
+{
+ obstack_printf(&obst, "%u%s", (unsigned)strlen(name), name);
+}
+
+static void mangle_class_type(const compound_type_t *type)
+{
+ const symbol_t *sym = type->compound->base.symbol;
+ if (sym == NULL) {
+ if (type->compound->alias == NULL)
+ panic("mangling anonymous type");
+ sym = type->compound->alias->base.symbol;
}
- if (type->variadic) {
- obstack_1grow(&obst, 'z');
+ print_name(sym->string);
+}
+
+static void mangle_enum_type(const enum_type_t *type)
+{
+ const symbol_t *sym = type->enume->base.symbol;
+ if (sym == NULL) {
+ if (type->enume->alias == NULL)
+ panic("mangling anonymous type");
+ sym = type->enume->alias->base.symbol;
}
- if (type->unspecified_parameters)
- panic("can't mangle unspecified parameter types");
- if (type->kr_style_parameters)
- panic("can't mangle kr_style_parameters type");
+ print_name(sym->string);
+}
- obstack_1grow(&obst, 'E');
+static void mangle_array_type(const array_type_t *type)
+{
+ if (type->is_vla) {
+ obstack_1grow(&obst, 'A');
+ obstack_1grow(&obst, '_');
+ } else if (type->size_constant) {
+ obstack_printf(&obst, "A%u_", (unsigned) type->size);
+ } else {
+ panic("mangling of non-constant sized array types not implemented yet");
+ }
+ mangle_type(type->element_type);
+}
+
+static void mangle_complex_type(const atomic_type_t *type)
+{
+ obstack_1grow(&obst, 'C');
+ obstack_1grow(&obst, get_atomic_type_mangle(type->akind));
+}
+
+static void mangle_imaginary_type(const atomic_type_t *type)
+{
+ obstack_1grow(&obst, 'G');
+ obstack_1grow(&obst, get_atomic_type_mangle(type->akind));
}
static void mangle_qualifiers(type_qualifiers_t qualifiers)
{
- if (qualifiers & TYPE_QUALIFIER_CONST)
- obstack_1grow(&obst, 'K');
- if (qualifiers & TYPE_QUALIFIER_VOLATILE)
- obstack_1grow(&obst, 'V');
+#if 0 /* Do not mangle restrict qualifiers. GCC doesn't either */
if (qualifiers & TYPE_QUALIFIER_RESTRICT)
obstack_1grow(&obst, 'r');
+#endif
+ if (qualifiers & TYPE_QUALIFIER_VOLATILE)
+ obstack_1grow(&obst, 'V');
+ if (qualifiers & TYPE_QUALIFIER_CONST)
+ obstack_1grow(&obst, 'K');
/* handle MS extended qualifiers? */
}
case TYPE_POINTER:
mangle_pointer_type(&type->pointer);
return;
+ case TYPE_REFERENCE:
+ mangle_reference_type(&type->reference);
+ return;
case TYPE_FUNCTION:
mangle_function_type(&type->function);
return;
- case TYPE_INVALID:
- panic("invalid type encountered while mangling");
+ case TYPE_COMPOUND_STRUCT:
+ case TYPE_COMPOUND_UNION:
+ mangle_class_type(&type->compound);
+ return;
+ case TYPE_ENUM:
+ mangle_enum_type(&type->enumt);
+ return;
+ case TYPE_ARRAY:
+ mangle_array_type(&type->array);
+ return;
+ case TYPE_COMPLEX:
+ mangle_complex_type(&type->atomic);
+ return;
+ case TYPE_IMAGINARY:
+ mangle_imaginary_type(&type->atomic);
+ return;
case TYPE_ERROR:
panic("error type encountered while mangling");
- case TYPE_BUILTIN:
case TYPE_TYPEDEF:
case TYPE_TYPEOF:
panic("typeref not resolved while manging?!?");
-
- case TYPE_BITFIELD:
- case TYPE_COMPLEX:
- case TYPE_IMAGINARY:
- case TYPE_COMPOUND_STRUCT:
- case TYPE_COMPOUND_UNION:
- case TYPE_ENUM:
- case TYPE_ARRAY:
- panic("no mangling for this type implemented yet");
- break;
}
panic("invalid type encountered while mangling");
}
+static void mangle_namespace(entity_t *entity)
+{
+ for (entity_t *e = entity->base.parent_entity; e != NULL;
+ e = e->base.parent_entity) {
+ /* TODO: we need something similar (or the same?) for classes */
+ if (e->kind == ENTITY_NAMESPACE) {
+ mangle_namespace(e);
+ print_name(e->base.symbol->string);
+ return;
+ }
+ }
+}
+
static void mangle_entity(entity_t *entity)
{
obstack_1grow(&obst, '_');
obstack_1grow(&obst, 'Z');
- /* TODO: mangle scope */
+ if (entity->base.parent_entity != NULL) {
+ obstack_1grow(&obst, 'N');
+ mangle_namespace(entity);
+ }
- symbol_t *symbol = entity->base.symbol;
- obstack_printf(&obst, "%u%s", strlen(symbol->string), symbol->string);
+ print_name(entity->base.symbol->string);
if (entity->kind == ENTITY_FUNCTION) {
- mangle_type(entity->declaration.type);
+ mangle_parameters(&entity->declaration.type->function);
}
}
assert(is_declaration(entity));
- if (entity->declaration.modifiers & DM_DLLIMPORT) {
- /* add prefix for imported symbols */
- obstack_printf(o, "__imp_");
- }
-
if (entity->kind == ENTITY_FUNCTION) {
- cc_kind_t cc = entity->declaration.type->function.calling_convention;
+ type_t *type = skip_typeref(entity->declaration.type);
+ assert(is_type_function(type));
+
+ if (entity->declaration.modifiers & DM_DLLIMPORT)
+ /* add prefix for imported symbols */
+ obstack_printf(o, "__imp_");
+
+ cc_kind_t cc = type->function.calling_convention;
/* calling convention prefix */
switch (cc) {
- case CC_DEFAULT:
- case CC_CDECL:
- case CC_STDCALL: obstack_1grow(o, '_'); break;
- case CC_FASTCALL: obstack_1grow(o, '@'); break;
- default: panic("unhandled calling convention");
+ case CC_DEFAULT:
+ case CC_CDECL:
+ case CC_STDCALL: obstack_1grow(o, '_'); break;
+ case CC_FASTCALL: obstack_1grow(o, '@'); break;
+ default: panic("unhandled calling convention");
}
- switch (entity->declaration.type->function.linkage) {
- case LINKAGE_INVALID:
- break;
+ switch (type->function.linkage) {
+ case LINKAGE_C:
+ obstack_printf(o, "%s", entity->base.symbol->string);
+ break;
- case LINKAGE_C:
- obstack_printf(o, "%s", entity->base.symbol->string);
- break;
-
- case LINKAGE_CXX:
- mangle_entity(entity);
- break;
+ case LINKAGE_CXX:
+ mangle_entity(entity);
+ break;
}
/* calling convention suffix */
switch (cc) {
- case CC_DEFAULT:
- case CC_CDECL:
- break;
-
- case CC_STDCALL:
- case CC_FASTCALL: {
- ir_type *irtype = get_ir_type(entity->declaration.type);
- size_t size = 0;
- for (int i = get_method_n_params(irtype) - 1; i >= 0; --i) {
- size += get_type_size_bytes(get_method_param_type(irtype, i));
- }
- obstack_printf(o, "@%zu\n", size);
- break;
+ case CC_DEFAULT:
+ case CC_CDECL:
+ break;
+
+ case CC_STDCALL:
+ case CC_FASTCALL: {
+ ir_type *irtype = get_ir_type(entity->declaration.type);
+ unsigned size = 0;
+ for (int i = get_method_n_params(irtype) - 1; i >= 0; --i) {
+ size += get_type_size_bytes(get_method_param_type(irtype, i));
}
+ obstack_printf(o, "@%u", size);
+ break;
+ }
- default:
- panic("unhandled calling convention");
+ default:
+ panic("unhandled calling convention");
}
} else {
obstack_printf(o, "_%s", entity->base.symbol->string);
*/
ident *create_name_linux_elf(entity_t *entity)
{
- bool needs_mangling = false;
+ const char *name = entity->base.symbol->string;
if (entity->kind == ENTITY_FUNCTION) {
- switch (entity->declaration.type->function.linkage) {
- case LINKAGE_INVALID: break;
- case LINKAGE_C: break;
- case LINKAGE_CXX: needs_mangling = true; break;
+ type_t *type = skip_typeref(entity->declaration.type);
+ assert(is_type_function(type));
+ switch (type->function.linkage) {
+ case LINKAGE_C:
+ if (entity->function.actual_name != NULL)
+ name = entity->function.actual_name->string;
+ break;
+ case LINKAGE_CXX:
+ // TODO What about __REDIRECT/actual_name with mangling?
+ mangle_entity(entity);
+ return make_id_from_obst();
}
}
- if (needs_mangling) {
- mangle_entity(entity);
- return make_id_from_obst();
- }
-
- return new_id_from_str(entity->base.symbol->string);
+ return new_id_from_str(name);
}
/**
*/
ident *create_name_macho(entity_t *entity)
{
+ if (entity->kind == ENTITY_FUNCTION) {
+ type_t *type = skip_typeref(entity->declaration.type);
+ assert(is_type_function(type));
+
+ switch (type->function.linkage) {
+ default:
+ if (entity->function.actual_name != NULL)
+ return new_id_from_str(entity->function.actual_name->string);
+ break;
+ }
+ }
+
obstack_printf(&obst, "_%s", entity->base.symbol->string);
return make_id_from_obst();
}
projects / cparser / blobdiff