diff options
Diffstat (limited to 'gcc/except.c')
| -rw-r--r-- | gcc/except.c | 162 |
1 files changed, 80 insertions, 82 deletions
diff --git a/gcc/except.c b/gcc/except.c index e811b56074d..2379fb3c090 100644 --- a/gcc/except.c +++ b/gcc/except.c @@ -216,10 +216,8 @@ static int add_call_site (rtx, int, int); static void push_uleb128 (vec<uchar, va_gc> **, unsigned int); static void push_sleb128 (vec<uchar, va_gc> **, int); -#ifndef HAVE_AS_LEB128 static int dw2_size_of_call_site_table (int); static int sjlj_size_of_call_site_table (void); -#endif static void dw2_output_call_site_table (int, int); static void sjlj_output_call_site_table (void); @@ -2696,7 +2694,6 @@ push_sleb128 (vec<uchar, va_gc> **data_area, int value) } -#ifndef HAVE_AS_LEB128 static int dw2_size_of_call_site_table (int section) { @@ -2731,7 +2728,6 @@ sjlj_size_of_call_site_table (void) return size; } -#endif static void dw2_output_call_site_table (int cs_format, int section) @@ -2921,13 +2917,10 @@ static void output_one_function_exception_table (int section) { int tt_format, cs_format, lp_format, i; -#ifdef HAVE_AS_LEB128 char ttype_label[32]; char cs_after_size_label[32]; char cs_end_label[32]; -#else int call_site_len; -#endif int have_tt_data; int tt_format_size = 0; @@ -2942,11 +2935,11 @@ output_one_function_exception_table (int section) else { tt_format = ASM_PREFERRED_EH_DATA_FORMAT (/*code=*/0, /*global=*/1); -#ifdef HAVE_AS_LEB128 - ASM_GENERATE_INTERNAL_LABEL (ttype_label, - section ? "LLSDATTC" : "LLSDATT", - current_function_funcdef_no); -#endif + if (HAVE_AS_LEB128) + ASM_GENERATE_INTERNAL_LABEL (ttype_label, + section ? "LLSDATTC" : "LLSDATT", + current_function_funcdef_no); + tt_format_size = size_of_encoded_value (tt_format); assemble_align (tt_format_size * BITS_PER_UNIT); @@ -2972,86 +2965,93 @@ output_one_function_exception_table (int section) dw2_asm_output_data (1, tt_format, "@TType format (%s)", eh_data_format_name (tt_format)); -#ifndef HAVE_AS_LEB128 - if (targetm_common.except_unwind_info (&global_options) == UI_SJLJ) - call_site_len = sjlj_size_of_call_site_table (); - else - call_site_len = dw2_size_of_call_site_table (section); -#endif + if (!HAVE_AS_LEB128) + { + if (targetm_common.except_unwind_info (&global_options) == UI_SJLJ) + call_site_len = sjlj_size_of_call_site_table (); + else + call_site_len = dw2_size_of_call_site_table (section); + } /* A pc-relative 4-byte displacement to the @TType data. */ if (have_tt_data) { -#ifdef HAVE_AS_LEB128 - char ttype_after_disp_label[32]; - ASM_GENERATE_INTERNAL_LABEL (ttype_after_disp_label, - section ? "LLSDATTDC" : "LLSDATTD", - current_function_funcdef_no); - dw2_asm_output_delta_uleb128 (ttype_label, ttype_after_disp_label, - "@TType base offset"); - ASM_OUTPUT_LABEL (asm_out_file, ttype_after_disp_label); -#else - /* Ug. Alignment queers things. */ - unsigned int before_disp, after_disp, last_disp, disp; + if (HAVE_AS_LEB128) + { + char ttype_after_disp_label[32]; + ASM_GENERATE_INTERNAL_LABEL (ttype_after_disp_label, + section ? "LLSDATTDC" : "LLSDATTD", + current_function_funcdef_no); + dw2_asm_output_delta_uleb128 (ttype_label, ttype_after_disp_label, + "@TType base offset"); + ASM_OUTPUT_LABEL (asm_out_file, ttype_after_disp_label); + } + else + { + /* Ug. Alignment queers things. */ + unsigned int before_disp, after_disp, last_disp, disp; - before_disp = 1 + 1; - after_disp = (1 + size_of_uleb128 (call_site_len) - + call_site_len - + vec_safe_length (crtl->eh.action_record_data) - + (vec_safe_length (cfun->eh->ttype_data) - * tt_format_size)); + before_disp = 1 + 1; + after_disp = (1 + size_of_uleb128 (call_site_len) + + call_site_len + + vec_safe_length (crtl->eh.action_record_data) + + (vec_safe_length (cfun->eh->ttype_data) + * tt_format_size)); - disp = after_disp; - do - { - unsigned int disp_size, pad; + disp = after_disp; + do + { + unsigned int disp_size, pad; - last_disp = disp; - disp_size = size_of_uleb128 (disp); - pad = before_disp + disp_size + after_disp; - if (pad % tt_format_size) - pad = tt_format_size - (pad % tt_format_size); - else - pad = 0; - disp = after_disp + pad; - } - while (disp != last_disp); + last_disp = disp; + disp_size = size_of_uleb128 (disp); + pad = before_disp + disp_size + after_disp; + if (pad % tt_format_size) + pad = tt_format_size - (pad % tt_format_size); + else + pad = 0; + disp = after_disp + pad; + } + while (disp != last_disp); - dw2_asm_output_data_uleb128 (disp, "@TType base offset"); -#endif - } + dw2_asm_output_data_uleb128 (disp, "@TType base offset"); + } + } /* Indicate the format of the call-site offsets. */ -#ifdef HAVE_AS_LEB128 - cs_format = DW_EH_PE_uleb128; -#else - cs_format = DW_EH_PE_udata4; -#endif + if (HAVE_AS_LEB128) + cs_format = DW_EH_PE_uleb128; + else + cs_format = DW_EH_PE_udata4; + dw2_asm_output_data (1, cs_format, "call-site format (%s)", eh_data_format_name (cs_format)); -#ifdef HAVE_AS_LEB128 - ASM_GENERATE_INTERNAL_LABEL (cs_after_size_label, - section ? "LLSDACSBC" : "LLSDACSB", - current_function_funcdef_no); - ASM_GENERATE_INTERNAL_LABEL (cs_end_label, - section ? "LLSDACSEC" : "LLSDACSE", - current_function_funcdef_no); - dw2_asm_output_delta_uleb128 (cs_end_label, cs_after_size_label, - "Call-site table length"); - ASM_OUTPUT_LABEL (asm_out_file, cs_after_size_label); - if (targetm_common.except_unwind_info (&global_options) == UI_SJLJ) - sjlj_output_call_site_table (); - else - dw2_output_call_site_table (cs_format, section); - ASM_OUTPUT_LABEL (asm_out_file, cs_end_label); -#else - dw2_asm_output_data_uleb128 (call_site_len, "Call-site table length"); - if (targetm_common.except_unwind_info (&global_options) == UI_SJLJ) - sjlj_output_call_site_table (); + if (HAVE_AS_LEB128) + { + ASM_GENERATE_INTERNAL_LABEL (cs_after_size_label, + section ? "LLSDACSBC" : "LLSDACSB", + current_function_funcdef_no); + ASM_GENERATE_INTERNAL_LABEL (cs_end_label, + section ? "LLSDACSEC" : "LLSDACSE", + current_function_funcdef_no); + dw2_asm_output_delta_uleb128 (cs_end_label, cs_after_size_label, + "Call-site table length"); + ASM_OUTPUT_LABEL (asm_out_file, cs_after_size_label); + if (targetm_common.except_unwind_info (&global_options) == UI_SJLJ) + sjlj_output_call_site_table (); + else + dw2_output_call_site_table (cs_format, section); + ASM_OUTPUT_LABEL (asm_out_file, cs_end_label); + } else - dw2_output_call_site_table (cs_format, section); -#endif + { + dw2_asm_output_data_uleb128 (call_site_len, "Call-site table length"); + if (targetm_common.except_unwind_info (&global_options) == UI_SJLJ) + sjlj_output_call_site_table (); + else + dw2_output_call_site_table (cs_format, section); + } /* ??? Decode and interpret the data for flag_debug_asm. */ { @@ -3070,10 +3070,8 @@ output_one_function_exception_table (int section) output_ttype (type, tt_format, tt_format_size); } -#ifdef HAVE_AS_LEB128 - if (have_tt_data) - ASM_OUTPUT_LABEL (asm_out_file, ttype_label); -#endif + if (HAVE_AS_LEB128 && have_tt_data) + ASM_OUTPUT_LABEL (asm_out_file, ttype_label); /* ??? Decode and interpret the data for flag_debug_asm. */ if (targetm.arm_eabi_unwinder) |