const be_stack_layout_t *layout; /**< current stack layout */
unsigned next_type_nr; /**< next type number */
pmap *type_map; /**< a map from type to type number */
+ const char *main_file; /**< name of the main source file */
+ const char *curr_file; /**< name of teh current source file */
} stabs_handle;
/**
*/
static unsigned get_type_number(stabs_handle *h, ir_type *tp) {
pmap_entry *entry;
+ unsigned num;
if (tp == NULL) {
/* map to the void type */
return 0;
}
entry = pmap_find(h->type_map, tp);
- return entry ? PTR_TO_INT(entry->value) : 0;
-} /* get_type_number */
-
-/**
- * Assign a stabs type number to a Firm type.
- */
-static unsigned assign_type_number(stabs_handle *h, ir_type *tp) {
- unsigned num;
- if (tp == NULL) {
- /* map to the void type */
- return 0;
+ if (! entry) {
+ num = h->next_type_nr++;
+ pmap_insert(h->type_map, tp, INT_TO_PTR(num));
+ } else {
+ num = PTR_TO_INT(entry->value);
}
- num = h->next_type_nr++;
- pmap_insert(h->type_map, tp, INT_TO_PTR(num));
return num;
-} /* assign_type_number */
+} /* get_type_number */
/**
* generate the void type.
ir_mode *mode = get_type_mode(tp);
unsigned type_num;
+ SET_TYPE_READY(tp);
if (mode == mode_T) {
/* jack and FirmJC compiler use mode_T for the void type.
Ignore it here as it's name is remapped to "void". */
return;
} /* if */
- type_num = assign_type_number(h, tp);
+ type_num = get_type_number(h, tp);
if (mode_is_int(mode)) {
char buf[64];
* @param tp the type
*/
static void gen_enum_type(stabs_handle *h, ir_type *tp) {
- unsigned type_num = assign_type_number(h, tp);
+ unsigned type_num = get_type_number(h, tp);
int i, n;
+ SET_TYPE_READY(tp);
fprintf(h->f, "\t.stabs\t\"%s:T%u=e", get_type_name(tp), type_num);
for (i = 0, n = get_enumeration_n_enums(tp); i < n; ++i) {
ir_enum_const *ec = get_enumeration_const(tp, i);
/**
* Generates a pointer type
*
- * @param h the stabs handle
+ * @param env the walker environment
* @param tp the type
*/
-static void gen_pointer_type(stabs_handle *h, ir_type *tp) {
- unsigned type_num = assign_type_number(h, tp);
- unsigned el_num = get_type_number(h, get_pointer_points_to_type(tp));
-
+static void gen_pointer_type(wenv_t *env, ir_type *tp) {
+ stabs_handle *h = env->h;
+ unsigned type_num = get_type_number(h, tp);
+ ir_type *el_tp = get_pointer_points_to_type(tp);
+ unsigned el_num = get_type_number(h, el_tp);
+
+ SET_TYPE_READY(tp);
+ if (! IS_TYPE_READY(el_tp))
+ waitq_put(env->wq, el_tp);
fprintf(h->f, "\t.stabs\t\"%s:t%u=*%u\",%d,0,0,0\n",
get_type_name(tp), type_num, el_num, N_LSYM);
} /* gen_pointer_type */
/**
* Generates a struct/union type
*
- * @param h the stabs handle
+ * @param env the walker environment
* @param tp the type
*/
-static void gen_struct_union_type(stabs_handle *h, ir_type *tp) {
- unsigned type_num = assign_type_number(h, tp);
- int i, n;
- char desc;
+static void gen_struct_union_type(wenv_t *env, ir_type *tp) {
+ stabs_handle *h = env->h;
+ unsigned type_num = get_type_number(h, tp);
+ int i, n;
+ char desc = 's';
+ SET_TYPE_READY(tp);
if (is_Struct_type(tp)) {
desc = 's';
if (get_type_mode(tp) != NULL) {
return;
}
}
- else
+ else if (is_Union_type(tp))
desc = 'u';
- fprintf(h->f, "\t.stabs\t\"%s:T%u=%c%d",
+ fprintf(h->f, "\t.stabs\t\"%s:Tt%u=%c%d",
get_type_name(tp), type_num, desc, get_type_size_bytes(tp));
for (i = 0, n = get_compound_n_members(tp); i < n; ++i) {
ir_type *mtp = get_entity_type(ent);
int ofs, size;
+ if (! IS_TYPE_READY(mtp))
+ waitq_put(env->wq, mtp);
ofs = get_entity_offset_bits(ent);
if (is_Struct_type(mtp) && get_type_mode(mtp) != NULL) {
/* this structure is a bitfield, skip */
/**
* Generates an array type
*
- * @param h the stabs handle
+ * @param env the walker environment
* @param tp the type
*/
-static void gen_array_type(stabs_handle *h, ir_type *tp) {
- unsigned type_num = assign_type_number(h, tp);
- int i, n = get_array_n_dimensions(tp);
- int *perm;
- ir_type *etp;
+static void gen_array_type(wenv_t *env, ir_type *tp) {
+ stabs_handle *h = env->h;
+ unsigned type_num = get_type_number(h, tp);
+ int i, n = get_array_n_dimensions(tp);
+ ir_type *etp = get_array_element_type(tp);
+ int *perm;
+
+ SET_TYPE_READY(tp);
+ if (! IS_TYPE_READY(etp))
+ waitq_put(env->wq, etp);
NEW_ARR_A(int, perm, n);
for (i = 0; i < n; ++i) {
fprintf(h->f, "r1;%ld;%ld;", min, max-1);
}
- etp = get_array_element_type(tp);
type_num = get_type_number(h, etp);
fprintf(h->f, "%d\",%d,0,0,0\n", type_num, N_LSYM);
} /* gen_array_type */
/**
* Generates a method type
*
- * @param h the stabs handle
+ * @param env the walker environment
* @param tp the type
*/
-static void gen_method_type(stabs_handle *h, ir_type *tp) {
- unsigned type_num = assign_type_number(h, tp);
+static void gen_method_type(wenv_t *env, ir_type *tp) {
+ stabs_handle *h = env->h;
+ unsigned type_num = get_type_number(h, tp);
ir_type *rtp = NULL;
unsigned res_type_num;
int i, n = get_method_n_ress(tp);
- if (n > 0)
+ SET_TYPE_READY(tp);
+ if (n > 0) {
rtp = get_method_res_type(tp, 0);
+ if (! IS_TYPE_READY(rtp))
+ waitq_put(env->wq, rtp);
+ }
res_type_num = get_type_number(h, rtp);
fprintf(h->f, "\t.stabs\t\"%s:t%u=f%u", get_type_name(tp), type_num, res_type_num);
/* handle more than one return type */
for (i = 1; i < n; ++i) {
rtp = get_method_res_type(tp, i);
+ if (! IS_TYPE_READY(rtp))
+ waitq_put(env->wq, rtp);
res_type_num = get_type_number(h, rtp);
fprintf(h->f, ",%u", res_type_num);
}
/* fall through */
case tpo_struct:
case tpo_union:
- SET_TYPE_NOT_READY(env->wq, tp);
+ gen_struct_union_type(env, tp);
break;
case tpo_enumeration:
gen_enum_type(env->h, tp);
- SET_TYPE_READY(tp);
break;
case tpo_primitive:
gen_primitive_type(env->h, tp);
- SET_TYPE_READY(tp);
break;
case tpo_method:
+ gen_method_type(env, tp);
+ break;
+
case tpo_array:
- SET_TYPE_NOT_READY(env->wq, tp);
+ gen_array_type(env, tp);
break;
case tpo_pointer:
- /* must construct the pointer type */
- SET_TYPE_NOT_READY(env->wq, tp);
+ gen_pointer_type(env, tp);
break;
case tpo_unknown:
/* the unknown type: ignore */
+ SET_TYPE_READY(tp);
break;
default:
assert(! "Unknown tpop code");
} /* walk_type */
/**
- * check, if a method type can be generated
- */
-static int is_method_type_ready(ir_type *tp)
-{
- int i;
- ir_type *etp;
-
- for (i = get_method_n_ress(tp) - 1; i >= 0; --i) {
- etp = SKIP_PTR(get_method_res_type(tp, i));
-
- if (! IS_TYPE_READY(etp) && (! is_compound_type(etp) || is_Array_type(etp)))
- return 0;
- } /* for */
-
- for (i = get_method_n_params(tp) - 1; i >= 0; --i) {
- etp = SKIP_PTR(get_method_param_type(tp, i));
-
- if (! IS_TYPE_READY(etp) && (! is_compound_type(etp) || is_Array_type(etp)))
- return 0;
- } /* for */
- return 1;
-} /* is_method_type_ready */
-
-/**
- * check, whether a compound type can be generated
+ * generate declaration for all types
*/
-static int is_compound_type_ready(ir_type *tp)
+static void finish_types(wenv_t *env)
{
- int i;
- ir_type *etp;
+ waitq *wq = env->wq;
+ ir_type *tp;
- for (i = get_compound_n_members(tp) - 1; i >= 0; --i) {
- etp = SKIP_PTR(get_entity_type(get_compound_member(tp, i)));
-
- if (! IS_TYPE_READY(etp) && (! is_compound_type(etp) || is_Array_type(etp)))
- return 0;
- } /* for */
- return 1;
-} /* is_compound_type_ready */
+ while (! waitq_empty(wq)) {
+ tp = waitq_get(wq);
+ if (IS_TYPE_READY(tp))
+ continue;
-/**
- * generate declaration for all types
- */
-static void finish_types(stabs_handle *h, waitq *wq)
-{
- ir_type *tp;
-
- while (! waitq_empty(wq)) {
- tp = waitq_get(wq);
-
- switch (get_type_tpop_code(tp)) {
- case tpo_method:
- if (is_method_type_ready(tp)) {
- gen_method_type(h, tp);
- SET_TYPE_READY(tp);
- continue;
- } /* if */
- break;
- case tpo_class:
- case tpo_union:
- case tpo_struct:
- if (is_compound_type_ready(tp)) {
- gen_struct_union_type(h, tp);
- SET_TYPE_READY(tp);
- continue;
- } /* if */
- break;
- case tpo_array:
- if (IS_TYPE_READY(get_array_element_type(tp))) {
- gen_array_type(h, tp);
- SET_TYPE_READY(tp);
- continue;
- } /* if */
- break;
- case tpo_pointer:
- if (IS_TYPE_READY(get_pointer_points_to_type(tp))) {
- gen_pointer_type(h, tp);
- SET_TYPE_READY(tp);
- continue;
- } /* if */
- break;
- default:
- assert(! "Unknown tpop code");
- } /* switch */
-
- /* still not ready, defer type output */
- pdeq_putr(wq, tp);
- } /* while */
+ switch (get_type_tpop_code(tp)) {
+ case tpo_method:
+ gen_method_type(env, tp);
+ break;
+ case tpo_class:
+ case tpo_union:
+ case tpo_struct:
+ gen_struct_union_type(env, tp);
+ break;
+ case tpo_enumeration:
+ gen_enum_type(env->h, tp);
+ break;
+ case tpo_primitive:
+ gen_primitive_type(env->h, tp);
+ break;
+ case tpo_array:
+ gen_array_type(env, tp);
+ break;
+ case tpo_pointer:
+ gen_pointer_type(env, tp);
+ break;
+ case tpo_unknown:
+ /* the unknown type: ignore */
+ SET_TYPE_READY(tp);
+ break;
+ default:
+ assert(! "Unknown tpop code");
+ } /* switch */
+ } /* while */
} /* finish_types */
/**
env.h = h;
env.wq = new_waitq();
type_walk(NULL, walk_type, &env);
- finish_types(h, env.wq);
+ finish_types(&env);
del_waitq(env.wq);
} /* gen_types */
*/
static void stabs_so(dbg_handle *handle, const char *filename) {
stabs_handle *h = (stabs_handle *)handle;
+ h->main_file = h->curr_file = filename;
fprintf(h->f, "\t.stabs\t\"%s\",%d,0,0,.Ltext0\n", filename, N_SO);
} /* stabs_so */
+/**
+ * end an include file
+ */
+static void stabs_include_end(dbg_handle *handle) {
+ stabs_handle *h = (stabs_handle *)handle;
+ h->curr_file = h->main_file;
+} /* stabs_include_end */
+
+/**
+ * start an include file
+ */
+static void stabs_include_begin(dbg_handle *handle, const char *filename) {
+ stabs_handle *h = (stabs_handle *)handle;
+ if (h->main_file != h->curr_file)
+ stabs_include_end(handle);
+ h->curr_file = filename;
+ fprintf(h->f, "\t.stabs\t\"%s\",%d,0,0,0\n", filename, N_SOL);
+} /* stabs_include_begin */
+
/**
* Main Program
*/
static const debug_ops stabs_ops = {
stabs_close,
stabs_so,
+ stabs_include_begin,
+ stabs_include_end,
stabs_main_program,
stabs_method_begin,
stabs_method_end,
h->layout = NULL;
h->next_type_nr = 0;
h->type_map = pmap_create_ex(64);
+ h->main_file = NULL;
+ h->curr_file = NULL;
+
return &h->base;
} /* stabs_open */
h->ops->so(h, filename);
} /* be_dbg_begin */
+/**
+ * start an include file
+ */
+void be_dbg_include_begin(dbg_handle *h, const char *filename) {
+ if (h && h->ops->include_begin)
+ h->ops->include_begin(h, filename);
+} /* stabs_include_begin */
+
+/**
+ * end an include file
+ */
+void be_dbg_include_end(dbg_handle *h) {
+ if (h && h->ops->include_end)
+ h->ops->include_end(h);
+} /* stabs_include_end */
+
/**
* Main program
*/
projects / libfirm / blobdiff