During pass_lower_eh (tree-eh.c) we record the nested structure
of the TRY nodes in EH_REGION nodes in CFUN->EH->REGION_TREE.
- We expand the lang_protect_cleanup_actions hook into MUST_NOT_THROW
+ We expand the eh_protect_cleanup_actions langhook into MUST_NOT_THROW
regions at this time. We can then flatten the statements within
the TRY nodes to straight-line code. Statements that had been within
TRY nodes that can throw are recorded within CFUN->EH->THROW_STMT_TABLE,
#define EH_RETURN_DATA_REGNO(N) INVALID_REGNUM
#endif
-/* Protect cleanup actions with must-not-throw regions, with a call
- to the given failure handler. */
-tree (*lang_protect_cleanup_actions) (void);
-
static GTY(()) int call_site_base;
static GTY ((param_is (union tree_node)))
htab_t type_to_runtime_map;
static void sjlj_output_call_site_table (void);
\f
-/* Routine to see if exception handling is turned on.
- DO_WARN is nonzero if we want to inform the user that exception
- handling is turned off.
-
- This is used to ensure that -fexceptions has been specified if the
- compiler tries to use any exception-specific functions. */
-
-int
-doing_eh (int do_warn)
-{
- if (! flag_exceptions)
- {
- static int warned = 0;
- if (! warned && do_warn)
- {
- error ("exception handling disabled, use -fexceptions to enable");
- warned = 1;
- }
- return 0;
- }
- return 1;
-}
-
-\f
void
init_eh (void)
{
{
eh_region new_eh;
-#ifdef ENABLE_CHECKING
- gcc_assert (doing_eh (0));
-#endif
-
/* Insert a new blank region as a leaf in the tree. */
new_eh = ggc_alloc_cleared_eh_region_d ();
new_eh->type = type;
#endif
/* If the target wants a label to begin the table, emit it here. */
- targetm.asm_out.except_table_label (asm_out_file);
+ targetm.asm_out.emit_except_table_label (asm_out_file);
have_tt_data = (VEC_length (tree, cfun->eh->ttype_data)
|| (targetm.arm_eabi_unwinder