#include "irnode.h"
#include "entity.h"
#include "irprog.h"
+#include "pdeq.h"
#include "error.h"
#include "be_t.h"
obstack_t *bss_obst;
obstack_t *ctor_obst;
const be_main_env_t *main_env;
+ waitq *worklist;
} ia32_decl_env_t;
/************************************************************************/
/**
* dump an atomic value
*/
-static void do_dump_atomic_init(obstack_t *obst, ir_node *init)
+static void do_dump_atomic_init(ia32_decl_env_t *env, obstack_t *obst,
+ ir_node *init)
{
ir_mode *mode = get_irn_mode(init);
int bytes = get_mode_size_bytes(mode);
tarval *tv;
+ ir_entity *ent;
switch (get_irn_opcode(init)) {
case iro_Cast:
- do_dump_atomic_init(obst, get_Cast_op(init));
+ do_dump_atomic_init(env, obst, get_Cast_op(init));
return;
case iro_Conv:
- do_dump_atomic_init(obst, get_Conv_op(init));
+ do_dump_atomic_init(env, obst, get_Conv_op(init));
return;
case iro_Const:
break;
case symconst_addr_ent:
- obstack_printf(obst, "%s", get_entity_ld_name(get_SymConst_entity(init)));
+ ent = get_SymConst_entity(init);
+ if(!entity_visited(ent)) {
+ waitq_put(env->worklist, ent);
+ mark_entity_visited(ent);
+ }
+ obstack_printf(obst, "%s", get_entity_ld_name(ent));
break;
case symconst_ofs_ent:
- obstack_printf(obst, "%d", get_entity_offset(get_SymConst_entity(init)));
+ ent = get_SymConst_entity(init);
+#if 0 /* not needed, is it? */
+ if(!entity_visited(ent)) {
+ waitq_put(env->worklist, ent);
+ mark_entity_visited(ent);
+ }
+#endif
+ obstack_printf(obst, "%d", get_entity_offset(ent));
break;
case symconst_type_size:
return;
case iro_Add:
- do_dump_atomic_init(obst, get_Add_left(init));
+ do_dump_atomic_init(env, obst, get_Add_left(init));
obstack_printf(obst, " + ");
- do_dump_atomic_init(obst, get_Add_right(init));
+ do_dump_atomic_init(env, obst, get_Add_right(init));
return;
case iro_Sub:
- do_dump_atomic_init(obst, get_Sub_left(init));
+ do_dump_atomic_init(env, obst, get_Sub_left(init));
obstack_printf(obst, " - ");
- do_dump_atomic_init(obst, get_Sub_right(init));
+ do_dump_atomic_init(env, obst, get_Sub_right(init));
return;
case iro_Mul:
- do_dump_atomic_init(obst, get_Mul_left(init));
+ do_dump_atomic_init(env, obst, get_Mul_left(init));
obstack_printf(obst, " * ");
- do_dump_atomic_init(obst, get_Mul_right(init));
+ do_dump_atomic_init(env, obst, get_Mul_right(init));
return;
default:
/**
* dump an atomic value to an obstack
*/
-static void dump_atomic_init(obstack_t *obst, ir_node *init)
+static void dump_atomic_init(ia32_decl_env_t *env, obstack_t *obst,
+ ir_node *init)
{
ir_mode *mode = get_irn_mode(init);
int bytes = get_mode_size_bytes(mode);
dump_size_type(obst, bytes);
- do_dump_atomic_init(obst, init);
+ do_dump_atomic_init(env, obst, init);
obstack_printf(obst, "\n");
}
obstack_printf(obst, "\"\n");
}
-static void dump_array_init(obstack_t *obst, ir_entity *ent)
+static void dump_array_init(ia32_decl_env_t *env, obstack_t *obst,
+ ir_entity *ent)
{
const ir_type *ty = get_entity_type(ent);
int i;
size += align - n;
}
}
- dump_atomic_init(obst, get_compound_ent_value(ent, i));
+ dump_atomic_init(env, obst, get_compound_ent_value(ent, i));
size += get_type_size_bytes(stype);
}
filler = get_type_size_bytes(ty) - size;
/**
* Dump an initializer for a compound entity.
*/
-static void dump_compound_init(obstack_t *obst, ir_entity *ent)
+static void dump_compound_init(ia32_decl_env_t *env, obstack_t *obst,
+ ir_entity *ent)
{
normal_or_bitfield *vals;
int i, j, n = get_compound_ent_n_values(ent);
/* Find the initializer size. Sorrily gcc support a nasty feature:
The last field of a compound may be a flexible array. This allows
initializers bigger than the type size. */
- last_ofs = 0;
+ last_ofs = get_type_size_bytes(get_entity_type(ent));
for (i = 0; i < n; ++i) {
int offset = get_compound_ent_value_offset_bytes(ent, i);
int bits_remainder = get_compound_ent_value_offset_bit_remainder(ent, i);
int space = 0, skip = 0;
if (vals[i].kind == NORMAL) {
if(vals[i].v.value != NULL) {
- dump_atomic_init(obst, vals[i].v.value);
+ dump_atomic_init(env, obst, vals[i].v.value);
skip = get_mode_size_bytes(get_irn_mode(vals[i].v.value)) - 1;
} else {
space = 1;
obstack_printf(obst, "\t.zero %d\n", get_type_size_bytes(type));
}
} else if (is_atomic_type(type)) {
- dump_atomic_init(obst, get_atomic_ent_value(ent));
+ dump_atomic_init(env, obst, get_atomic_ent_value(ent));
} else if (ent_is_string_const(ent)) {
dump_string_cst(obst, ent);
} else if (is_Array_type(type)) {
- dump_array_init(obst, ent);
+ dump_array_init(env, obst, ent);
} else if (is_compound_type(type)) {
- dump_compound_init(obst, ent);
+ dump_compound_init(env, obst, ent);
} else {
assert(0 && "unsupported type");
}
/**
* Dumps declarations of global variables and the initialization code.
*/
-static void ia32_dump_globals(ir_type *gt, ia32_decl_env_t *env, int emit_commons)
+static void ia32_dump_globals(ir_type *gt, ia32_decl_env_t *env,
+ int emit_commons, int only_emit_marked)
{
int i, n = get_compound_n_members(gt);
+ waitq *worklist = new_waitq();
+
+ if(only_emit_marked) {
+ for (i = 0; i < n; i++) {
+ ir_entity *ent = get_compound_member(gt, i);
+ if(entity_visited(ent) ||
+ get_entity_visibility(ent) != visibility_external_allocated) {
+ waitq_put(worklist, ent);
+ mark_entity_visited(ent);
+ }
+ }
+ } else {
+ inc_master_type_visited();
+ for (i = 0; i < n; i++) {
+ ir_entity *ent = get_compound_member(gt, i);
+ mark_entity_visited(ent);
+ waitq_put(worklist, ent);
+ }
+ }
+
+ env->worklist = worklist;
+
+ while(!waitq_empty(worklist)) {
+ ir_entity *ent = waitq_get(worklist);
- for (i = 0; i < n; i++) {
- ir_entity *ent = get_compound_member(gt, i);
dump_global(env, ent, emit_commons);
}
+
+ del_waitq(worklist);
+ env->worklist = NULL;
}
/************************************************************************/
-void be_gas_emit_decls(be_emit_env_t *emit, const be_main_env_t *main_env) {
+void be_gas_emit_decls(be_emit_env_t *emit, const be_main_env_t *main_env,
+ int only_emit_marked_entities)
+{
ia32_decl_env_t env;
obstack_t rodata, data, bss, ctor;
int size;
env.ctor_obst = &ctor;
env.main_env = main_env;
- ia32_dump_globals(get_glob_type(), &env, 1);
+ ia32_dump_globals(get_glob_type(), &env, 1, only_emit_marked_entities);
size = obstack_object_size(&data);
cp = obstack_finish(&data);
env.bss_obst = &data;
env.ctor_obst = NULL;
- ia32_dump_globals(get_tls_type(), &env, 0);
+ ia32_dump_globals(get_tls_type(), &env, 0, only_emit_marked_entities);
size = obstack_object_size(&data);
cp = obstack_finish(&data);
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