diff options
Diffstat (limited to 'gcc/except.c')
| -rw-r--r-- | gcc/except.c | 30 |
1 files changed, 24 insertions, 6 deletions
diff --git a/gcc/except.c b/gcc/except.c index 04d4764..53e5773 100644 --- a/gcc/except.c +++ b/gcc/except.c @@ -2939,7 +2939,6 @@ switch_to_exception_section (const char * ARG_UNUSED (fnname)) switch_to_section (s); } - /* Output a reference from an exception table to the type_info object TYPE. TT_FORMAT and TT_FORMAT_SIZE describe the DWARF encoding method used for the value. */ @@ -2989,6 +2988,13 @@ output_ttype (tree type, int tt_format, int tt_format_size) dw2_asm_output_encoded_addr_rtx (tt_format, value, is_public, NULL); } +/* Output an exception table for the current function according to SECTION. + + If the function has been partitioned into hot and cold parts, value 0 for + SECTION refers to the table associated with the hot part while value 1 + refers to the table associated with the cold part. If the function has + not been partitioned, value 0 refers to the single exception table. */ + static void output_one_function_exception_table (int section) { @@ -3167,13 +3173,26 @@ output_one_function_exception_table (int section) } } +/* Output an exception table for the current function according to SECTION, + switching back and forth from the function section appropriately. + + If the function has been partitioned into hot and cold parts, value 0 for + SECTION refers to the table associated with the hot part while value 1 + refers to the table associated with the cold part. If the function has + not been partitioned, value 0 refers to the single exception table. */ + void -output_function_exception_table (const char *fnname) +output_function_exception_table (int section) { + const char *fnname = get_fnname_from_decl (current_function_decl); rtx personality = get_personality_function (current_function_decl); /* Not all functions need anything. */ - if (! crtl->uses_eh_lsda) + if (!crtl->uses_eh_lsda) + return; + + /* No need to emit any boilerplate stuff for the cold part. */ + if (section == 1 && !crtl->eh.call_site_record_v[1]) return; if (personality) @@ -3189,9 +3208,8 @@ output_function_exception_table (const char *fnname) /* If the target wants a label to begin the table, emit it here. */ targetm.asm_out.emit_except_table_label (asm_out_file); - output_one_function_exception_table (0); - if (crtl->eh.call_site_record_v[1]) - output_one_function_exception_table (1); + /* Do the real work. */ + output_one_function_exception_table (section); switch_to_section (current_function_section ()); } |