IB. Write the length to RLEN. */
static const char *
-input_string_internal (struct data_in *data_in, struct lto_input_block *ib,
- unsigned int *rlen)
+string_for_index (struct data_in *data_in,
+ unsigned int loc,
+ unsigned int *rlen)
{
struct lto_input_block str_tab;
unsigned int len;
- unsigned int loc;
const char *result;
- /* Read the location of the string from IB. */
- loc = lto_input_uleb128 (ib);
+ if (!loc)
+ {
+ *rlen = 0;
+ return NULL;
+ }
/* Get the string stored at location LOC in DATA_IN->STRINGS. */
- LTO_INIT_INPUT_BLOCK (str_tab, data_in->strings, loc, data_in->strings_len);
+ LTO_INIT_INPUT_BLOCK (str_tab, data_in->strings, loc - 1, data_in->strings_len);
len = lto_input_uleb128 (&str_tab);
*rlen = len;
}
+/* Read a string from the string table in DATA_IN using input block
+ IB. Write the length to RLEN. */
+
+static const char *
+input_string_internal (struct data_in *data_in, struct lto_input_block *ib,
+ unsigned int *rlen)
+{
+ return string_for_index (data_in, lto_input_uleb128 (ib), rlen);
+}
+
+
/* Read a STRING_CST from the string table in DATA_IN using input
block IB. */
{
unsigned int len;
const char * ptr;
- unsigned int is_null;
-
- is_null = lto_input_uleb128 (ib);
- if (is_null)
- return NULL;
ptr = input_string_internal (data_in, ib, &len);
+ if (!ptr)
+ return NULL;
return build_string (len, ptr);
}
{
unsigned int len;
const char *ptr;
- unsigned int is_null;
-
- is_null = lto_input_uleb128 (ib);
- if (is_null)
- return NULL;
ptr = input_string_internal (data_in, ib, &len);
+ if (!ptr)
+ return NULL;
return get_identifier_with_length (ptr, len);
}
{
unsigned int len;
const char *ptr;
- unsigned int is_null;
-
- is_null = lto_input_uleb128 (ib);
- if (is_null)
- return NULL;
ptr = input_string_internal (data_in, ib, &len);
+ if (!ptr)
+ return NULL;
if (ptr[len - 1] != '\0')
internal_error ("bytecode stream: found non-null terminated string");
/* Return the next tag in the input block IB. */
-static enum LTO_tags
+static inline enum LTO_tags
input_record_start (struct lto_input_block *ib)
{
- enum LTO_tags tag = (enum LTO_tags) lto_input_uleb128 (ib);
- return tag;
+ return lto_input_enum (ib, LTO_tags, LTO_NUM_TAGS);
}
}
-/* Read a location from input block IB. */
+/* Read a location bitpack from input block IB. */
static location_t
-lto_input_location (struct lto_input_block *ib, struct data_in *data_in)
+lto_input_location_bitpack (struct data_in *data_in, struct bitpack_d *bp)
{
- expanded_location xloc;
+ bool file_change, line_change, column_change;
+ unsigned len;
+ bool prev_file = data_in->current_file != NULL;
- xloc.file = lto_input_string (data_in, ib);
- if (xloc.file == NULL)
+ if (bp_unpack_value (bp, 1))
return UNKNOWN_LOCATION;
- xloc.file = canon_file_name (xloc.file);
- xloc.line = lto_input_sleb128 (ib);
- xloc.column = lto_input_sleb128 (ib);
- xloc.sysp = lto_input_sleb128 (ib);
+ file_change = bp_unpack_value (bp, 1);
+ if (file_change)
+ data_in->current_file = canon_file_name
+ (string_for_index (data_in,
+ bp_unpack_var_len_unsigned (bp),
+ &len));
+
+ line_change = bp_unpack_value (bp, 1);
+ if (line_change)
+ data_in->current_line = bp_unpack_var_len_unsigned (bp);
+
+ column_change = bp_unpack_value (bp, 1);
+ if (column_change)
+ data_in->current_col = bp_unpack_var_len_unsigned (bp);
- if (data_in->current_file != xloc.file)
+ if (file_change)
{
- if (data_in->current_file)
+ if (prev_file)
linemap_add (line_table, LC_LEAVE, false, NULL, 0);
- linemap_add (line_table, LC_ENTER, xloc.sysp, xloc.file, xloc.line);
+ linemap_add (line_table, LC_ENTER, false, data_in->current_file,
+ data_in->current_line);
}
- else if (data_in->current_line != xloc.line)
- linemap_line_start (line_table, xloc.line, xloc.column);
+ else if (line_change)
+ linemap_line_start (line_table, data_in->current_line, data_in->current_col);
+
+ return linemap_position_for_column (line_table, data_in->current_col);
+}
- data_in->current_file = xloc.file;
- data_in->current_line = xloc.line;
- data_in->current_col = xloc.column;
- return linemap_position_for_column (line_table, xloc.column);
+/* Read a location from input block IB. */
+
+static location_t
+lto_input_location (struct lto_input_block *ib, struct data_in *data_in)
+{
+ struct bitpack_d bp;
+
+ bp = lto_input_bitpack (ib);
+ return lto_input_location_bitpack (data_in, &bp);
}
flag_exceptions = 1;
init_eh ();
- /* Initialize dwarf2 tables. Since dwarf2out_do_frame() returns
- true only when exceptions are enabled, this initialization is
- never done during lang_dependent_init. */
-#if defined DWARF2_DEBUGGING_INFO || defined DWARF2_UNWIND_INFO
- if (dwarf2out_do_frame ())
- dwarf2out_frame_init ();
-#endif
-
eh_initialized_p = true;
}
init_empty_tree_cfg_for_function (fn);
init_ssa_operands ();
- profile_status_for_function (fn) =
- (enum profile_status_d) lto_input_uleb128 (ib);
+ profile_status_for_function (fn) = lto_input_enum (ib, profile_status_d, PROFILE_LAST);
bb_count = lto_input_uleb128 (ib);
/* Read the tuple header. */
bp = lto_input_bitpack (ib);
- num_ops = bp_unpack_value (&bp, sizeof (unsigned) * 8);
+ num_ops = bp_unpack_var_len_unsigned (&bp);
stmt = gimple_alloc (code, num_ops);
stmt->gsbase.no_warning = bp_unpack_value (&bp, 1);
if (is_gimple_assign (stmt))
stmt->gsbase.nontemporal_move = bp_unpack_value (&bp, 1);
stmt->gsbase.has_volatile_ops = bp_unpack_value (&bp, 1);
- stmt->gsbase.subcode = bp_unpack_value (&bp, 16);
+ stmt->gsbase.subcode = bp_unpack_var_len_unsigned (&bp);
/* Read location information. */
gimple_set_location (stmt, lto_input_location (ib, data_in));
op = TREE_OPERAND (op, 0);
}
}
+ if (is_gimple_call (stmt))
+ {
+ if (gimple_call_internal_p (stmt))
+ gimple_call_set_internal_fn
+ (stmt, lto_input_enum (ib, internal_fn, IFN_LAST));
+ else
+ gimple_call_set_fntype (stmt, lto_input_tree (ib, data_in));
+ }
break;
case GIMPLE_NOP:
fn->can_throw_non_call_exceptions = bp_unpack_value (&bp, 1);
fn->always_inline_functions_inlined = bp_unpack_value (&bp, 1);
fn->after_inlining = bp_unpack_value (&bp, 1);
- fn->dont_save_pending_sizes_p = bp_unpack_value (&bp, 1);
fn->stdarg = bp_unpack_value (&bp, 1);
fn->has_nonlocal_label = bp_unpack_value (&bp, 1);
fn->calls_alloca = bp_unpack_value (&bp, 1);
}
-/* Return the resolution for the decl with index INDEX from DATA_IN. */
-
-static enum ld_plugin_symbol_resolution
-get_resolution (struct data_in *data_in, unsigned index)
-{
- if (data_in->globals_resolution)
- {
- ld_plugin_symbol_resolution_t ret;
- /* We can have references to not emitted functions in
- DECL_FUNCTION_PERSONALITY at least. So we can and have
- to indeed return LDPR_UNKNOWN in some cases. */
- if (VEC_length (ld_plugin_symbol_resolution_t,
- data_in->globals_resolution) <= index)
- return LDPR_UNKNOWN;
- ret = VEC_index (ld_plugin_symbol_resolution_t,
- data_in->globals_resolution,
- index);
- return ret;
- }
- else
- /* Delay resolution finding until decl merging. */
- return LDPR_UNKNOWN;
-}
-
-
/* Unpack all the non-pointer fields of the TS_BASE structure of
expression EXPR from bitpack BP. */
else
bp_unpack_value (bp, 1);
TREE_ASM_WRITTEN (expr) = (unsigned) bp_unpack_value (bp, 1);
- TREE_NO_WARNING (expr) = (unsigned) bp_unpack_value (bp, 1);
+ if (TYPE_P (expr))
+ TYPE_ARTIFICIAL (expr) = (unsigned) bp_unpack_value (bp, 1);
+ else
+ TREE_NO_WARNING (expr) = (unsigned) bp_unpack_value (bp, 1);
TREE_USED (expr) = (unsigned) bp_unpack_value (bp, 1);
TREE_NOTHROW (expr) = (unsigned) bp_unpack_value (bp, 1);
TREE_STATIC (expr) = (unsigned) bp_unpack_value (bp, 1);
{
struct fixed_value fv;
- fv.data.low = (HOST_WIDE_INT) bp_unpack_value (bp, HOST_BITS_PER_WIDE_INT);
- fv.data.high = (HOST_WIDE_INT) bp_unpack_value (bp, HOST_BITS_PER_WIDE_INT);
- fv.mode = (enum machine_mode) bp_unpack_value (bp, HOST_BITS_PER_INT);
+ fv.mode = bp_unpack_enum (bp, machine_mode, MAX_MACHINE_MODE);
+ fv.data.low = bp_unpack_var_len_int (bp);
+ fv.data.high = bp_unpack_var_len_int (bp);
TREE_FIXED_CST (expr) = fv;
}
static void
unpack_ts_decl_common_value_fields (struct bitpack_d *bp, tree expr)
{
- DECL_MODE (expr) = (enum machine_mode) bp_unpack_value (bp, 8);
+ DECL_MODE (expr) = bp_unpack_enum (bp, machine_mode, MAX_MACHINE_MODE);
DECL_NONLOCAL (expr) = (unsigned) bp_unpack_value (bp, 1);
DECL_VIRTUAL_P (expr) = (unsigned) bp_unpack_value (bp, 1);
DECL_IGNORED_P (expr) = (unsigned) bp_unpack_value (bp, 1);
DECL_DEBUG_EXPR_IS_FROM (expr) = (unsigned) bp_unpack_value (bp, 1);
DECL_EXTERNAL (expr) = (unsigned) bp_unpack_value (bp, 1);
DECL_GIMPLE_REG_P (expr) = (unsigned) bp_unpack_value (bp, 1);
- DECL_ALIGN (expr) = (unsigned) bp_unpack_value (bp, HOST_BITS_PER_INT);
+ DECL_ALIGN (expr) = (unsigned) bp_unpack_var_len_unsigned (bp);
if (TREE_CODE (expr) == LABEL_DECL)
{
DECL_ERROR_ISSUED (expr) = (unsigned) bp_unpack_value (bp, 1);
- EH_LANDING_PAD_NR (expr) = (int) bp_unpack_value (bp, HOST_BITS_PER_INT);
+ EH_LANDING_PAD_NR (expr) = (int) bp_unpack_var_len_unsigned (bp);
/* Always assume an initial value of -1 for LABEL_DECL_UID to
force gimple_set_bb to recreate label_to_block_map. */
if (TREE_CODE (expr) == FIELD_DECL)
{
- unsigned HOST_WIDE_INT off_align;
DECL_PACKED (expr) = (unsigned) bp_unpack_value (bp, 1);
DECL_NONADDRESSABLE_P (expr) = (unsigned) bp_unpack_value (bp, 1);
- off_align = (unsigned HOST_WIDE_INT) bp_unpack_value (bp, 8);
- SET_DECL_OFFSET_ALIGN (expr, off_align);
+ expr->decl_common.off_align = bp_unpack_value (bp, 8);
}
if (TREE_CODE (expr) == RESULT_DECL
if (VAR_OR_FUNCTION_DECL_P (expr))
{
priority_type p;
- p = (priority_type) bp_unpack_value (bp, HOST_BITS_PER_SHORT);
+ p = (priority_type) bp_unpack_var_len_unsigned (bp);
SET_DECL_INIT_PRIORITY (expr, p);
}
}
static void
unpack_ts_function_decl_value_fields (struct bitpack_d *bp, tree expr)
{
- DECL_FUNCTION_CODE (expr) = (enum built_in_function) bp_unpack_value (bp, 11);
- DECL_BUILT_IN_CLASS (expr) = (enum built_in_class) bp_unpack_value (bp, 2);
+ DECL_BUILT_IN_CLASS (expr) = bp_unpack_enum (bp, built_in_class,
+ BUILT_IN_LAST);
DECL_STATIC_CONSTRUCTOR (expr) = (unsigned) bp_unpack_value (bp, 1);
DECL_STATIC_DESTRUCTOR (expr) = (unsigned) bp_unpack_value (bp, 1);
DECL_UNINLINABLE (expr) = (unsigned) bp_unpack_value (bp, 1);
DECL_DISREGARD_INLINE_LIMITS (expr) = (unsigned) bp_unpack_value (bp, 1);
DECL_PURE_P (expr) = (unsigned) bp_unpack_value (bp, 1);
DECL_LOOPING_CONST_OR_PURE_P (expr) = (unsigned) bp_unpack_value (bp, 1);
+ if (DECL_BUILT_IN_CLASS (expr) != NOT_BUILT_IN)
+ {
+ DECL_FUNCTION_CODE (expr) = (enum built_in_function) bp_unpack_value (bp, 11);
+ if (DECL_BUILT_IN_CLASS (expr) == BUILT_IN_NORMAL
+ && DECL_FUNCTION_CODE (expr) >= END_BUILTINS)
+ fatal_error ("machine independent builtin code out of range");
+ else if (DECL_BUILT_IN_CLASS (expr) == BUILT_IN_MD)
+ {
+ tree result = targetm.builtin_decl (DECL_FUNCTION_CODE (expr), true);
+ if (!result || result == error_mark_node)
+ fatal_error ("target specific builtin not available");
+ }
+ }
if (DECL_STATIC_DESTRUCTOR (expr))
{
- priority_type p = (priority_type) bp_unpack_value (bp, HOST_BITS_PER_SHORT);
- SET_DECL_FINI_PRIORITY (expr, p);
+ priority_type p;
+ p = (priority_type) bp_unpack_var_len_unsigned (bp);
+ SET_DECL_FINI_PRIORITY (expr, p);
}
}
-/* Unpack all the non-pointer fields of the TS_TYPE structure
+/* Unpack all the non-pointer fields of the TS_TYPE_COMMON structure
of expression EXPR from bitpack BP. */
static void
-unpack_ts_type_value_fields (struct bitpack_d *bp, tree expr)
+unpack_ts_type_common_value_fields (struct bitpack_d *bp, tree expr)
{
enum machine_mode mode;
- TYPE_PRECISION (expr) = (unsigned) bp_unpack_value (bp, 10);
- mode = (enum machine_mode) bp_unpack_value (bp, 8);
+ mode = bp_unpack_enum (bp, machine_mode, MAX_MACHINE_MODE);
SET_TYPE_MODE (expr, mode);
TYPE_STRING_FLAG (expr) = (unsigned) bp_unpack_value (bp, 1);
TYPE_NO_FORCE_BLK (expr) = (unsigned) bp_unpack_value (bp, 1);
= (unsigned) bp_unpack_value (bp, 2);
TYPE_USER_ALIGN (expr) = (unsigned) bp_unpack_value (bp, 1);
TYPE_READONLY (expr) = (unsigned) bp_unpack_value (bp, 1);
- TYPE_ALIGN (expr) = (unsigned) bp_unpack_value (bp, HOST_BITS_PER_INT);
- TYPE_ALIAS_SET (expr) = bp_unpack_value (bp, HOST_BITS_PER_INT);
+ TYPE_PRECISION (expr) = bp_unpack_var_len_unsigned (bp);
+ TYPE_ALIGN (expr) = bp_unpack_var_len_unsigned (bp);
+ TYPE_ALIAS_SET (expr) = bp_unpack_var_len_int (bp);
}
unpack_ts_block_value_fields (struct bitpack_d *bp, tree expr)
{
BLOCK_ABSTRACT (expr) = (unsigned) bp_unpack_value (bp, 1);
- BLOCK_NUMBER (expr) = (unsigned) bp_unpack_value (bp, 31);
+ /* BLOCK_NUMBER is recomputed. */
}
/* Unpack all the non-pointer fields of the TS_TRANSLATION_UNIT_DECL
if (CODE_CONTAINS_STRUCT (code, TS_FUNCTION_DECL))
unpack_ts_function_decl_value_fields (bp, expr);
- if (CODE_CONTAINS_STRUCT (code, TS_TYPE))
- unpack_ts_type_value_fields (bp, expr);
+ if (CODE_CONTAINS_STRUCT (code, TS_TYPE_COMMON))
+ unpack_ts_type_common_value_fields (bp, expr);
if (CODE_CONTAINS_STRUCT (code, TS_BLOCK))
unpack_ts_block_value_fields (bp, expr);
- if (CODE_CONTAINS_STRUCT (code, TS_SSA_NAME))
- {
- /* We only stream the version number of SSA names. */
- gcc_unreachable ();
- }
-
- if (CODE_CONTAINS_STRUCT (code, TS_STATEMENT_LIST))
- {
- /* This is only used by GENERIC. */
- gcc_unreachable ();
- }
-
- if (CODE_CONTAINS_STRUCT (code, TS_OMP_CLAUSE))
- {
- /* This is only used by High GIMPLE. */
- gcc_unreachable ();
- }
-
if (CODE_CONTAINS_STRUCT (code, TS_TRANSLATION_UNIT_DECL))
unpack_ts_translation_unit_decl_value_fields (bp, expr);
+
+ if (streamer_hooks.unpack_value_fields)
+ streamer_hooks.unpack_value_fields (bp, expr);
}
}
else
{
- /* All other nodes can be materialized with a raw make_node call. */
- result = make_node (code);
+ /* For all other nodes, see if the streamer knows how to allocate
+ it. */
+ if (streamer_hooks.alloc_tree)
+ result = streamer_hooks.alloc_tree (code, ib, data_in);
+
+ /* If the hook did not handle it, materialize the tree with a raw
+ make_node call. */
+ if (result == NULL_TREE)
+ result = make_node (code);
}
#ifdef LTO_STREAMER_DEBUG
{
DECL_SIZE (expr) = lto_input_tree (ib, data_in);
DECL_SIZE_UNIT (expr) = lto_input_tree (ib, data_in);
-
- if (TREE_CODE (expr) != FUNCTION_DECL
- && TREE_CODE (expr) != TRANSLATION_UNIT_DECL)
- DECL_INITIAL (expr) = lto_input_tree (ib, data_in);
-
DECL_ATTRIBUTES (expr) = lto_input_tree (ib, data_in);
+
/* Do not stream DECL_ABSTRACT_ORIGIN. We cannot handle debug information
for early inlining so drop it on the floor instead of ICEing in
dwarf2out.c. */
}
-/* Read all pointer fields in the TS_TYPE structure of EXPR from input
- block IB. DATA_IN contains tables and descriptors for the
+/* Read all pointer fields in the TS_TYPE_COMMON structure of EXPR from
+ input block IB. DATA_IN contains tables and descriptors for the file
+ being read. */
+
+static void
+lto_input_ts_type_common_tree_pointers (struct lto_input_block *ib,
+ struct data_in *data_in, tree expr)
+{
+ TYPE_SIZE (expr) = lto_input_tree (ib, data_in);
+ TYPE_SIZE_UNIT (expr) = lto_input_tree (ib, data_in);
+ TYPE_ATTRIBUTES (expr) = lto_input_tree (ib, data_in);
+ TYPE_NAME (expr) = lto_input_tree (ib, data_in);
+ /* Do not stream TYPE_POINTER_TO or TYPE_REFERENCE_TO. They will be
+ reconstructed during fixup. */
+ /* Do not stream TYPE_NEXT_VARIANT, we reconstruct the variant lists
+ during fixup. */
+ TYPE_MAIN_VARIANT (expr) = lto_input_tree (ib, data_in);
+ TYPE_CONTEXT (expr) = lto_input_tree (ib, data_in);
+ /* TYPE_CANONICAL gets re-computed during type merging. */
+ TYPE_CANONICAL (expr) = NULL_TREE;
+ TYPE_STUB_DECL (expr) = lto_input_tree (ib, data_in);
+}
+
+/* Read all pointer fields in the TS_TYPE_NON_COMMON structure of EXPR
+ from input block IB. DATA_IN contains tables and descriptors for the
file being read. */
static void
-lto_input_ts_type_tree_pointers (struct lto_input_block *ib,
- struct data_in *data_in, tree expr)
+lto_input_ts_type_non_common_tree_pointers (struct lto_input_block *ib,
+ struct data_in *data_in,
+ tree expr)
{
if (TREE_CODE (expr) == ENUMERAL_TYPE)
TYPE_VALUES (expr) = lto_input_tree (ib, data_in);
|| TREE_CODE (expr) == METHOD_TYPE)
TYPE_ARG_TYPES (expr) = lto_input_tree (ib, data_in);
- TYPE_SIZE (expr) = lto_input_tree (ib, data_in);
- TYPE_SIZE_UNIT (expr) = lto_input_tree (ib, data_in);
- TYPE_ATTRIBUTES (expr) = lto_input_tree (ib, data_in);
- TYPE_NAME (expr) = lto_input_tree (ib, data_in);
- /* Do not stream TYPE_POINTER_TO or TYPE_REFERENCE_TO nor
- TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO. */
if (!POINTER_TYPE_P (expr))
TYPE_MINVAL (expr) = lto_input_tree (ib, data_in);
TYPE_MAXVAL (expr) = lto_input_tree (ib, data_in);
- TYPE_MAIN_VARIANT (expr) = lto_input_tree (ib, data_in);
- /* Do not stream TYPE_NEXT_VARIANT, we reconstruct the variant lists
- during fixup. */
if (RECORD_OR_UNION_TYPE_P (expr))
TYPE_BINFO (expr) = lto_input_tree (ib, data_in);
- TYPE_CONTEXT (expr) = lto_input_tree (ib, data_in);
- /* TYPE_CANONICAL gets re-computed during type merging. */
- TYPE_CANONICAL (expr) = NULL_TREE;
- TYPE_STUB_DECL (expr) = lto_input_tree (ib, data_in);
}
code = TREE_CODE (expr);
- if (CODE_CONTAINS_STRUCT (code, TS_COMMON))
+ if (CODE_CONTAINS_STRUCT (code, TS_TYPED))
lto_input_ts_common_tree_pointers (ib, data_in, expr);
if (CODE_CONTAINS_STRUCT (code, TS_VECTOR))
if (CODE_CONTAINS_STRUCT (code, TS_FUNCTION_DECL))
lto_input_ts_function_decl_tree_pointers (ib, data_in, expr);
- if (CODE_CONTAINS_STRUCT (code, TS_TYPE))
- lto_input_ts_type_tree_pointers (ib, data_in, expr);
+ if (CODE_CONTAINS_STRUCT (code, TS_TYPE_COMMON))
+ lto_input_ts_type_common_tree_pointers (ib, data_in, expr);
+
+ if (CODE_CONTAINS_STRUCT (code, TS_TYPE_NON_COMMON))
+ lto_input_ts_type_non_common_tree_pointers (ib, data_in, expr);
if (CODE_CONTAINS_STRUCT (code, TS_LIST))
lto_input_ts_list_tree_pointers (ib, data_in, expr);
if (CODE_CONTAINS_STRUCT (code, TS_EXP))
lto_input_ts_exp_tree_pointers (ib, data_in, expr);
- if (CODE_CONTAINS_STRUCT (code, TS_SSA_NAME))
- {
- /* We only stream the version number of SSA names. */
- gcc_unreachable ();
- }
-
if (CODE_CONTAINS_STRUCT (code, TS_BLOCK))
lto_input_ts_block_tree_pointers (ib, data_in, expr);
if (CODE_CONTAINS_STRUCT (code, TS_BINFO))
lto_input_ts_binfo_tree_pointers (ib, data_in, expr);
- if (CODE_CONTAINS_STRUCT (code, TS_STATEMENT_LIST))
- {
- /* This should only appear in GENERIC. */
- gcc_unreachable ();
- }
-
if (CODE_CONTAINS_STRUCT (code, TS_CONSTRUCTOR))
lto_input_ts_constructor_tree_pointers (ib, data_in, expr);
- if (CODE_CONTAINS_STRUCT (code, TS_OMP_CLAUSE))
- {
- /* This should only appear in High GIMPLE. */
- gcc_unreachable ();
- }
-
- if (CODE_CONTAINS_STRUCT (code, TS_OPTIMIZATION))
- {
- sorry ("optimization options not supported yet");
- }
-
if (CODE_CONTAINS_STRUCT (code, TS_TARGET_OPTION))
lto_input_ts_target_option (ib, expr);
}
-/* Register DECL with the global symbol table and change its
- name if necessary to avoid name clashes for static globals across
- different files. */
-
-static void
-lto_register_var_decl_in_symtab (struct data_in *data_in, tree decl)
-{
- tree context;
-
- /* Variable has file scope, not local. Need to ensure static variables
- between different files don't clash unexpectedly. */
- if (!TREE_PUBLIC (decl)
- && !((context = decl_function_context (decl))
- && auto_var_in_fn_p (decl, context)))
- {
- /* ??? We normally pre-mangle names before we serialize them
- out. Here, in lto1, we do not know the language, and
- thus cannot do the mangling again. Instead, we just
- append a suffix to the mangled name. The resulting name,
- however, is not a properly-formed mangled name, and will
- confuse any attempt to unmangle it. */
- const char *name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl));
- char *label;
-
- ASM_FORMAT_PRIVATE_NAME (label, name, DECL_UID (decl));
- SET_DECL_ASSEMBLER_NAME (decl, get_identifier (label));
- rest_of_decl_compilation (decl, 1, 0);
-
- VEC_safe_push (tree, gc, lto_global_var_decls, decl);
- }
-
- /* If this variable has already been declared, queue the
- declaration for merging. */
- if (TREE_PUBLIC (decl))
- {
- unsigned ix;
- if (!lto_streamer_cache_lookup (data_in->reader_cache, decl, &ix))
- gcc_unreachable ();
- lto_symtab_register_decl (decl, get_resolution (data_in, ix),
- data_in->file_data);
- }
-}
-
-
-
-/* Register DECL with the global symbol table and change its
- name if necessary to avoid name clashes for static globals across
- different files. DATA_IN contains descriptors and tables for the
- file being read. */
-
-static void
-lto_register_function_decl_in_symtab (struct data_in *data_in, tree decl)
-{
- /* Need to ensure static entities between different files
- don't clash unexpectedly. */
- if (!TREE_PUBLIC (decl))
- {
- /* We must not use the DECL_ASSEMBLER_NAME macro here, as it
- may set the assembler name where it was previously empty. */
- tree old_assembler_name = decl->decl_with_vis.assembler_name;
-
- /* FIXME lto: We normally pre-mangle names before we serialize
- them out. Here, in lto1, we do not know the language, and
- thus cannot do the mangling again. Instead, we just append a
- suffix to the mangled name. The resulting name, however, is
- not a properly-formed mangled name, and will confuse any
- attempt to unmangle it. */
- const char *name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl));
- char *label;
-
- ASM_FORMAT_PRIVATE_NAME (label, name, DECL_UID (decl));
- SET_DECL_ASSEMBLER_NAME (decl, get_identifier (label));
-
- /* We may arrive here with the old assembler name not set
- if the function body is not needed, e.g., it has been
- inlined away and does not appear in the cgraph. */
- if (old_assembler_name)
- {
- tree new_assembler_name = DECL_ASSEMBLER_NAME (decl);
-
- /* Make the original assembler name available for later use.
- We may have used it to indicate the section within its
- object file where the function body may be found.
- FIXME lto: Find a better way to maintain the function decl
- to body section mapping so we don't need this hack. */
- lto_record_renamed_decl (data_in->file_data,
- IDENTIFIER_POINTER (old_assembler_name),
- IDENTIFIER_POINTER (new_assembler_name));
-
- /* Also register the reverse mapping so that we can find the
- new name given to an existing assembler name (used when
- restoring alias pairs in input_constructors_or_inits. */
- lto_record_renamed_decl (data_in->file_data,
- IDENTIFIER_POINTER (new_assembler_name),
- IDENTIFIER_POINTER (old_assembler_name));
- }
- }
-
- /* If this variable has already been declared, queue the
- declaration for merging. */
- if (TREE_PUBLIC (decl) && !DECL_ABSTRACT (decl))
- {
- unsigned ix;
- if (!lto_streamer_cache_lookup (data_in->reader_cache, decl, &ix))
- gcc_unreachable ();
- lto_symtab_register_decl (decl, get_resolution (data_in, ix),
- data_in->file_data);
- }
-}
-
-
/* Read an index IX from input block IB and return the tree node at
DATA_IN->FILE_DATA->GLOBALS_INDEX[IX]. */
enum LTO_tags expected_tag;
ix = lto_input_uleb128 (ib);
- expected_tag = (enum LTO_tags) lto_input_uleb128 (ib);
+ expected_tag = lto_input_enum (ib, LTO_tags, LTO_NUM_TAGS);
result = lto_streamer_cache_get (data_in->reader_cache, ix);
gcc_assert (result
const char *asmname;
tree result;
- fclass = (enum built_in_class) lto_input_uleb128 (ib);
+ fclass = lto_input_enum (ib, built_in_class, BUILT_IN_LAST);
gcc_assert (fclass == BUILT_IN_NORMAL || fclass == BUILT_IN_MD);
fcode = (enum built_in_function) lto_input_uleb128 (ib);
if (fclass == BUILT_IN_NORMAL)
{
- gcc_assert (fcode < END_BUILTINS);
+ if (fcode >= END_BUILTINS)
+ fatal_error ("machine independent builtin code out of range");
result = built_in_decls[fcode];
gcc_assert (result);
}
/* Read all the pointer fields in RESULT. */
lto_input_tree_pointers (ib, data_in, result);
+ /* Call back into the streaming module to read anything else it
+ may need. */
+ if (streamer_hooks.read_tree)
+ streamer_hooks.read_tree (ib, data_in, result);
+
/* We should never try to instantiate an MD or NORMAL builtin here. */
if (TREE_CODE (result) == FUNCTION_DECL)
gcc_assert (!lto_stream_as_builtin_p (result));
- if (TREE_CODE (result) == VAR_DECL)
- lto_register_var_decl_in_symtab (data_in, result);
- else if (TREE_CODE (result) == FUNCTION_DECL && !DECL_BUILT_IN (result))
- lto_register_function_decl_in_symtab (data_in, result);
-
/* end_marker = */ lto_input_1_unsigned (ib);
#ifdef LTO_STREAMER_DEBUG
}
+/* LTO streamer hook for reading GIMPLE trees. IB and DATA_IN are as in
+ lto_read_tree. EXPR is the tree was materialized by lto_read_tree and
+ needs GIMPLE specific data to be filled in. */
+
+void
+lto_streamer_read_tree (struct lto_input_block *ib, struct data_in *data_in,
+ tree expr)
+{
+ if (DECL_P (expr)
+ && TREE_CODE (expr) != FUNCTION_DECL
+ && TREE_CODE (expr) != TRANSLATION_UNIT_DECL)
+ DECL_INITIAL (expr) = lto_input_tree (ib, data_in);
+}
+
+
/* Read and INTEGER_CST node from input block IB using the per-file
context in DATA_IN. */
/* Initialization for the LTO reader. */
void
-lto_init_reader (void)
+lto_reader_init (void)
{
lto_streamer_init ();
-
- memset (<o_stats, 0, sizeof (lto_stats));
- bitmap_obstack_initialize (NULL);
-
file_name_hash_table = htab_create (37, hash_string_slot_node,
eq_string_slot_node, free);
-
- gimple_register_cfg_hooks ();
}