/* Add code: __thread gcov* __gcov_indirect_call_counters; // pointer to actual counter __thread void* __gcov_indirect_call_callee; // actual callee address __thread int __gcov_function_counter; // time profiler function counter */ static void init_ic_make_global_vars (void) { tree gcov_type_ptr; ptr_void = build_pointer_type (void_type_node); ic_void_ptr_var = build_decl (UNKNOWN_LOCATION, VAR_DECL, get_identifier ( (PARAM_VALUE (PARAM_INDIR_CALL_TOPN_PROFILE) ? "__gcov_indirect_call_topn_callee" : "__gcov_indirect_call_callee")), ptr_void); TREE_PUBLIC (ic_void_ptr_var) = 1; DECL_EXTERNAL (ic_void_ptr_var) = 1; TREE_STATIC (ic_void_ptr_var) = 1; DECL_ARTIFICIAL (ic_void_ptr_var) = 1; DECL_INITIAL (ic_void_ptr_var) = NULL; if (targetm.have_tls) set_decl_tls_model (ic_void_ptr_var, decl_default_tls_model (ic_void_ptr_var)); varpool_node::finalize_decl (ic_void_ptr_var); gcov_type_ptr = build_pointer_type (get_gcov_type ()); ic_gcov_type_ptr_var = build_decl (UNKNOWN_LOCATION, VAR_DECL, get_identifier ( (PARAM_VALUE (PARAM_INDIR_CALL_TOPN_PROFILE) ? "__gcov_indirect_call_topn_counters" : "__gcov_indirect_call_counters")), gcov_type_ptr); TREE_PUBLIC (ic_gcov_type_ptr_var) = 1; DECL_EXTERNAL (ic_gcov_type_ptr_var) = 1; TREE_STATIC (ic_gcov_type_ptr_var) = 1; DECL_ARTIFICIAL (ic_gcov_type_ptr_var) = 1; DECL_INITIAL (ic_gcov_type_ptr_var) = NULL; if (targetm.have_tls) set_decl_tls_model (ic_gcov_type_ptr_var, decl_default_tls_model (ic_gcov_type_ptr_var)); varpool_node::finalize_decl (ic_gcov_type_ptr_var); }
static tree build_common_decl (gfc_common_head *com, tree union_type, bool is_init) { tree decl, identifier; identifier = gfc_sym_mangled_common_id (com); decl = gfc_map_of_all_commons.count(identifier) ? gfc_map_of_all_commons[identifier] : NULL_TREE; /* Update the size of this common block as needed. */ if (decl != NULL_TREE) { tree size = TYPE_SIZE_UNIT (union_type); /* Named common blocks of the same name shall be of the same size in all scoping units of a program in which they appear, but blank common blocks may be of different sizes. */ if (!tree_int_cst_equal (DECL_SIZE_UNIT (decl), size) && strcmp (com->name, BLANK_COMMON_NAME)) gfc_warning (0, "Named COMMON block %qs at %L shall be of the " "same size as elsewhere (%lu vs %lu bytes)", com->name, &com->where, (unsigned long) TREE_INT_CST_LOW (size), (unsigned long) TREE_INT_CST_LOW (DECL_SIZE_UNIT (decl))); if (tree_int_cst_lt (DECL_SIZE_UNIT (decl), size)) { DECL_SIZE (decl) = TYPE_SIZE (union_type); DECL_SIZE_UNIT (decl) = size; DECL_MODE (decl) = TYPE_MODE (union_type); TREE_TYPE (decl) = union_type; layout_decl (decl, 0); } } /* If this common block has been declared in a previous program unit, and either it is already initialized or there is no new initialization for it, just return. */ if ((decl != NULL_TREE) && (!is_init || DECL_INITIAL (decl))) return decl; /* If there is no backend_decl for the common block, build it. */ if (decl == NULL_TREE) { if (com->is_bind_c == 1 && com->binding_label) decl = build_decl (input_location, VAR_DECL, identifier, union_type); else { decl = build_decl (input_location, VAR_DECL, get_identifier (com->name), union_type); gfc_set_decl_assembler_name (decl, identifier); } TREE_PUBLIC (decl) = 1; TREE_STATIC (decl) = 1; DECL_IGNORED_P (decl) = 1; if (!com->is_bind_c) DECL_ALIGN (decl) = BIGGEST_ALIGNMENT; else { /* Do not set the alignment for bind(c) common blocks to BIGGEST_ALIGNMENT because that won't match what C does. Also, for common blocks with one element, the alignment must be that of the field within the common block in order to match what C will do. */ tree field = NULL_TREE; field = TYPE_FIELDS (TREE_TYPE (decl)); if (DECL_CHAIN (field) == NULL_TREE) DECL_ALIGN (decl) = TYPE_ALIGN (TREE_TYPE (field)); } DECL_USER_ALIGN (decl) = 0; GFC_DECL_COMMON_OR_EQUIV (decl) = 1; gfc_set_decl_location (decl, &com->where); if (com->threadprivate) set_decl_tls_model (decl, decl_default_tls_model (decl)); if (com->omp_declare_target) DECL_ATTRIBUTES (decl) = tree_cons (get_identifier ("omp declare target"), NULL_TREE, DECL_ATTRIBUTES (decl)); /* Place the back end declaration for this common block in GLOBAL_BINDING_LEVEL. */ gfc_map_of_all_commons[identifier] = pushdecl_top_level (decl); } /* Has no initial values. */ if (!is_init) { DECL_INITIAL (decl) = NULL_TREE; DECL_COMMON (decl) = 1; DECL_DEFER_OUTPUT (decl) = 1; } else { DECL_INITIAL (decl) = error_mark_node; DECL_COMMON (decl) = 0; DECL_DEFER_OUTPUT (decl) = 0; } return decl; }
/* Add code: __thread gcov* __gcov_indirect_call_counters; // pointer to actual counter __thread void* __gcov_indirect_call_callee; // actual callee address __thread int __gcov_function_counter; // time profiler function counter */ static void init_ic_make_global_vars (void) { tree gcov_type_ptr; ptr_void = build_pointer_type (void_type_node); /* Workaround for binutils bug 14342. Once it is fixed, remove lto path. */ if (flag_lto) { ic_void_ptr_var = build_decl (UNKNOWN_LOCATION, VAR_DECL, get_identifier ("__gcov_indirect_call_callee_ltopriv"), ptr_void); TREE_PUBLIC (ic_void_ptr_var) = 1; DECL_COMMON (ic_void_ptr_var) = 1; DECL_VISIBILITY (ic_void_ptr_var) = VISIBILITY_HIDDEN; DECL_VISIBILITY_SPECIFIED (ic_void_ptr_var) = true; } else { ic_void_ptr_var = build_decl (UNKNOWN_LOCATION, VAR_DECL, get_identifier ( (PARAM_VALUE (PARAM_INDIR_CALL_TOPN_PROFILE) ? "__gcov_indirect_call_topn_callee" : "__gcov_indirect_call_callee")), ptr_void); TREE_PUBLIC (ic_void_ptr_var) = 1; DECL_EXTERNAL (ic_void_ptr_var) = 1; } TREE_STATIC (ic_void_ptr_var) = 1; DECL_ARTIFICIAL (ic_void_ptr_var) = 1; DECL_INITIAL (ic_void_ptr_var) = NULL; if (targetm.have_tls) set_decl_tls_model (ic_void_ptr_var, decl_default_tls_model (ic_void_ptr_var)); varpool_node::finalize_decl (ic_void_ptr_var); gcov_type_ptr = build_pointer_type (get_gcov_type ()); /* Workaround for binutils bug 14342. Once it is fixed, remove lto path. */ if (flag_lto) { ic_gcov_type_ptr_var = build_decl (UNKNOWN_LOCATION, VAR_DECL, get_identifier ("__gcov_indirect_call_counters_ltopriv"), gcov_type_ptr); TREE_PUBLIC (ic_gcov_type_ptr_var) = 1; DECL_COMMON (ic_gcov_type_ptr_var) = 1; DECL_VISIBILITY (ic_gcov_type_ptr_var) = VISIBILITY_HIDDEN; DECL_VISIBILITY_SPECIFIED (ic_gcov_type_ptr_var) = true; } else { ic_gcov_type_ptr_var = build_decl (UNKNOWN_LOCATION, VAR_DECL, get_identifier ( (PARAM_VALUE (PARAM_INDIR_CALL_TOPN_PROFILE) ? "__gcov_indirect_call_topn_counters" : "__gcov_indirect_call_counters")), gcov_type_ptr); TREE_PUBLIC (ic_gcov_type_ptr_var) = 1; DECL_EXTERNAL (ic_gcov_type_ptr_var) = 1; } TREE_STATIC (ic_gcov_type_ptr_var) = 1; DECL_ARTIFICIAL (ic_gcov_type_ptr_var) = 1; DECL_INITIAL (ic_gcov_type_ptr_var) = NULL; if (targetm.have_tls) set_decl_tls_model (ic_gcov_type_ptr_var, decl_default_tls_model (ic_gcov_type_ptr_var)); varpool_node::finalize_decl (ic_gcov_type_ptr_var); }