#include "tv.h"
#include "irnode.h"
#include "irprog.h"
-#include "pdeq.h"
#include "entity_t.h"
#include "error.h"
/** by default, we generate assembler code for the Linux gas */
object_file_format_t be_gas_object_file_format = OBJECT_FILE_FORMAT_ELF;
bool be_gas_emit_types = true;
-char be_gas_elf_type_char = '@';
+char be_gas_elf_type_char = '@';
static be_gas_section_t current_section = (be_gas_section_t) -1;
static void emit_entity_visibility(const ir_entity *entity)
{
- ir_linkage linkage = get_entity_linkage(entity);
+ ir_visibility visibility = get_entity_visibility(entity);
+ ir_linkage linkage = get_entity_linkage(entity);
- if (! (linkage & IR_LINKAGE_LOCAL)) {
+ if (visibility != ir_visibility_local) {
be_emit_cstring(".globl ");
be_emit_ident(get_entity_ld_ident(entity));
be_emit_char('\n');
be_emit_cstring("\t.def\t");
be_emit_string(name);
be_emit_cstring(";");
- if (get_entity_linkage(entity) & IR_LINKAGE_LOCAL) {
+ if (get_entity_visibility(entity) == ir_visibility_local) {
be_emit_cstring("\t.scl\t3;");
} else {
be_emit_cstring("\t.scl\t2;");
*/
typedef struct _be_gas_decl_env {
be_gas_section_t section;
- waitq *worklist; /**< A worklist we use to place not yet handled entities on. */
- const be_main_env_t *main_env;
+ const be_main_env_t *main_env;
} be_gas_decl_env_t;
/************************************************************************/
case symconst_addr_ent:
ent = get_SymConst_entity(init);
- if (!is_entity_backend_marked(ent)) {
- waitq_put(env->worklist, ent);
- set_entity_backend_marked(ent, 1);
- }
be_gas_emit_entity(ent);
break;
ident *ld_ident = get_entity_ld_ident(ent);
unsigned alignment = get_effective_entity_alignment(ent);
be_gas_section_t section = determine_section(env, ent);
- ir_linkage linkage = get_entity_linkage(ent);
/* we already emitted all methods. Except for the trampolines which
* the assembler/linker generates */
be_dbg_variable(ent);
/* nothing to do for externally defined values */
- if (linkage & IR_LINKAGE_EXTERN)
+ if (get_entity_visibility(ent) == ir_visibility_external)
return;
if (!is_po2(alignment))
if (section == GAS_SECTION_BSS &&
(get_entity_linkage(ent) & IR_LINKAGE_MERGE)) {
+ if (get_entity_visibility(ent) != ir_visibility_default) {
+ panic("merge link semantic not supported for local/extern entities");
+ }
emit_common(ent);
return;
}
*
* @param gt a global like type, either the global or the TLS one
* @param env an environment
- * @param only_emit_marked if non-zero, external allocated entities that do not have
- * its visited flag set are ignored
*/
-static void be_gas_dump_globals(ir_type *gt, be_gas_decl_env_t *env,
- int only_emit_marked)
+static void be_gas_dump_globals(ir_type *gt, be_gas_decl_env_t *env)
{
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 (is_entity_backend_marked(ent) || entity_has_definition(ent)) {
- waitq_put(worklist, ent);
- set_entity_backend_marked(ent, 1);
- }
- }
- } else {
- for (i = 0; i < n; i++) {
- ir_entity *ent = get_compound_member(gt, i);
- set_entity_backend_marked(ent, 1);
- 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);
}
-
- del_waitq(worklist);
- env->worklist = NULL;
}
/************************************************************************/
/* Generate all entities. */
-void be_gas_emit_decls(const be_main_env_t *main_env,
- int only_emit_marked_entities)
+void be_gas_emit_decls(const be_main_env_t *main_env)
{
be_gas_decl_env_t env;
memset(&env, 0, sizeof(env));
env.main_env = main_env;
env.section = (be_gas_section_t) -1;
- be_gas_dump_globals(get_glob_type(), &env, only_emit_marked_entities);
- be_gas_dump_globals(get_tls_type(), &env, only_emit_marked_entities);
- be_gas_dump_globals(get_segment_type(IR_SEGMENT_CONSTRUCTORS), &env,
- only_emit_marked_entities);
- be_gas_dump_globals(get_segment_type(IR_SEGMENT_DESTRUCTORS), &env,
- only_emit_marked_entities);
- be_gas_dump_globals(main_env->pic_symbols_type, &env,
- only_emit_marked_entities);
- be_gas_dump_globals(main_env->pic_trampolines_type, &env,
- only_emit_marked_entities);
+ be_gas_dump_globals(get_glob_type(), &env);
+ be_gas_dump_globals(get_tls_type(), &env);
+ be_gas_dump_globals(get_segment_type(IR_SEGMENT_CONSTRUCTORS), &env);
+ be_gas_dump_globals(get_segment_type(IR_SEGMENT_DESTRUCTORS), &env);
+ be_gas_dump_globals(main_env->pic_symbols_type, &env);
+ be_gas_dump_globals(main_env->pic_trampolines_type, &env);
/**
* ".subsections_via_symbols marks object files which are OK to divide
projects / libfirm / blobdiff