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-rw-r--r--gcc/dwarf2out.c88
1 files changed, 65 insertions, 23 deletions
diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c
index 6e98a4f..9308cce 100644
--- a/gcc/dwarf2out.c
+++ b/gcc/dwarf2out.c
@@ -158,6 +158,7 @@ static GTY(()) section *debug_loc_section;
static GTY(()) section *debug_pubnames_section;
static GTY(()) section *debug_str_section;
static GTY(()) section *debug_ranges_section;
+static GTY(()) section *debug_frame_section;
/* How to start an assembler comment. */
#ifndef ASM_COMMENT_START
@@ -2212,7 +2213,7 @@ output_call_frame_info (int for_eh)
if (for_eh)
switch_to_eh_frame_section ();
else
- switch_to_section (get_section (DEBUG_FRAME_SECTION, SECTION_DEBUG, NULL));
+ switch_to_section (debug_frame_section);
ASM_GENERATE_INTERNAL_LABEL (section_start_label, FRAME_BEGIN_LABEL, for_eh);
ASM_OUTPUT_LABEL (asm_out_file, section_start_label);
@@ -2360,7 +2361,7 @@ output_call_frame_info (int for_eh)
dw2_asm_output_delta (4, l1, section_start_label, "FDE CIE offset");
else
dw2_asm_output_offset (DWARF_OFFSET_SIZE, section_start_label,
- "FDE CIE offset");
+ debug_frame_section, "FDE CIE offset");
if (for_eh)
{
@@ -2655,8 +2656,9 @@ enum dw_val_class
dw_val_class_die_ref,
dw_val_class_fde_ref,
dw_val_class_lbl_id,
- dw_val_class_lbl_offset,
- dw_val_class_str
+ dw_val_class_lineptr,
+ dw_val_class_str,
+ dw_val_class_macptr
};
/* Describe a double word constant value. */
@@ -3984,7 +3986,8 @@ static inline dw_loc_list_ref AT_loc_list (dw_attr_ref);
static void add_AT_addr (dw_die_ref, enum dwarf_attribute, rtx);
static inline rtx AT_addr (dw_attr_ref);
static void add_AT_lbl_id (dw_die_ref, enum dwarf_attribute, const char *);
-static void add_AT_lbl_offset (dw_die_ref, enum dwarf_attribute, const char *);
+static void add_AT_lineptr (dw_die_ref, enum dwarf_attribute, const char *);
+static void add_AT_macptr (dw_die_ref, enum dwarf_attribute, const char *);
static void add_AT_offset (dw_die_ref, enum dwarf_attribute,
unsigned HOST_WIDE_INT);
static void add_AT_range_list (dw_die_ref, enum dwarf_attribute,
@@ -5159,16 +5162,34 @@ add_AT_lbl_id (dw_die_ref die, enum dwarf_attribute attr_kind, const char *lbl_i
add_dwarf_attr (die, attr);
}
-/* Add a section offset attribute value to a DIE. */
+/* Add a section offset attribute value to a DIE, an offset into the
+ debug_line section. */
static inline void
-add_AT_lbl_offset (dw_die_ref die, enum dwarf_attribute attr_kind, const char *label)
+add_AT_lineptr (dw_die_ref die, enum dwarf_attribute attr_kind,
+ const char *label)
{
dw_attr_ref attr = ggc_alloc (sizeof (dw_attr_node));
attr->dw_attr_next = NULL;
attr->dw_attr = attr_kind;
- attr->dw_attr_val.val_class = dw_val_class_lbl_offset;
+ attr->dw_attr_val.val_class = dw_val_class_lineptr;
+ attr->dw_attr_val.v.val_lbl_id = xstrdup (label);
+ add_dwarf_attr (die, attr);
+}
+
+/* Add a section offset attribute value to a DIE, an offset into the
+ debug_macinfo section. */
+
+static inline void
+add_AT_macptr (dw_die_ref die, enum dwarf_attribute attr_kind,
+ const char *label)
+{
+ dw_attr_ref attr = ggc_alloc (sizeof (dw_attr_node));
+
+ attr->dw_attr_next = NULL;
+ attr->dw_attr = attr_kind;
+ attr->dw_attr_val.val_class = dw_val_class_macptr;
attr->dw_attr_val.v.val_lbl_id = xstrdup (label);
add_dwarf_attr (die, attr);
}
@@ -5207,7 +5228,8 @@ static inline const char *
AT_lbl (dw_attr_ref a)
{
gcc_assert (a && (AT_class (a) == dw_val_class_lbl_id
- || AT_class (a) == dw_val_class_lbl_offset));
+ || AT_class (a) == dw_val_class_lineptr
+ || AT_class (a) == dw_val_class_macptr));
return a->dw_attr_val.v.val_lbl_id;
}
@@ -5723,7 +5745,8 @@ print_die (dw_die_ref die, FILE *outfile)
fprintf (outfile, "die -> <null>");
break;
case dw_val_class_lbl_id:
- case dw_val_class_lbl_offset:
+ case dw_val_class_lineptr:
+ case dw_val_class_macptr:
fprintf (outfile, "label: %s", AT_lbl (a));
break;
case dw_val_class_str:
@@ -5937,7 +5960,8 @@ attr_checksum (dw_attr_ref at, struct md5_ctx *ctx, int *mark)
case dw_val_class_fde_ref:
case dw_val_class_lbl_id:
- case dw_val_class_lbl_offset:
+ case dw_val_class_lineptr:
+ case dw_val_class_macptr:
break;
default:
@@ -6038,7 +6062,8 @@ same_dw_val_p (dw_val_node *v1, dw_val_node *v2, int *mark)
case dw_val_class_fde_ref:
case dw_val_class_lbl_id:
- case dw_val_class_lbl_offset:
+ case dw_val_class_lineptr:
+ case dw_val_class_macptr:
return 1;
default:
@@ -6612,7 +6637,8 @@ size_of_die (dw_die_ref die)
case dw_val_class_lbl_id:
size += DWARF2_ADDR_SIZE;
break;
- case dw_val_class_lbl_offset:
+ case dw_val_class_lineptr:
+ case dw_val_class_macptr:
size += DWARF_OFFSET_SIZE;
break;
case dw_val_class_str:
@@ -6804,7 +6830,8 @@ value_format (dw_attr_ref a)
return DW_FORM_data;
case dw_val_class_lbl_id:
return DW_FORM_addr;
- case dw_val_class_lbl_offset:
+ case dw_val_class_lineptr:
+ case dw_val_class_macptr:
return DW_FORM_data;
case dw_val_class_str:
return AT_string_form (a);
@@ -7023,7 +7050,7 @@ output_die (dw_die_ref die)
sprintf (p, "+" HOST_WIDE_INT_PRINT_HEX,
a->dw_attr_val.v.val_offset);
dw2_asm_output_offset (DWARF_OFFSET_SIZE, ranges_section_label,
- "%s", name);
+ debug_ranges_section, "%s", name);
*p = '\0';
}
break;
@@ -7105,7 +7132,8 @@ output_die (dw_die_ref die)
char *sym = AT_loc_list (a)->ll_symbol;
gcc_assert (sym);
- dw2_asm_output_offset (DWARF_OFFSET_SIZE, sym, "%s", name);
+ dw2_asm_output_offset (DWARF_OFFSET_SIZE, sym, debug_loc_section,
+ "%s", name);
}
break;
@@ -7115,7 +7143,8 @@ output_die (dw_die_ref die)
char *sym = AT_ref (a)->die_symbol;
gcc_assert (sym);
- dw2_asm_output_offset (DWARF2_ADDR_SIZE, sym, "%s", name);
+ dw2_asm_output_offset (DWARF2_ADDR_SIZE, sym, debug_info_section,
+ "%s", name);
}
else
{
@@ -7131,7 +7160,8 @@ output_die (dw_die_ref die)
ASM_GENERATE_INTERNAL_LABEL (l1, FDE_LABEL,
a->dw_attr_val.v.val_fde_index * 2);
- dw2_asm_output_offset (DWARF_OFFSET_SIZE, l1, "%s", name);
+ dw2_asm_output_offset (DWARF_OFFSET_SIZE, l1, debug_frame_section,
+ "%s", name);
}
break;
@@ -7139,14 +7169,21 @@ output_die (dw_die_ref die)
dw2_asm_output_addr (DWARF2_ADDR_SIZE, AT_lbl (a), "%s", name);
break;
- case dw_val_class_lbl_offset:
- dw2_asm_output_offset (DWARF_OFFSET_SIZE, AT_lbl (a), "%s", name);
+ case dw_val_class_lineptr:
+ dw2_asm_output_offset (DWARF_OFFSET_SIZE, AT_lbl (a),
+ debug_line_section, "%s", name);
+ break;
+
+ case dw_val_class_macptr:
+ dw2_asm_output_offset (DWARF_OFFSET_SIZE, AT_lbl (a),
+ debug_macinfo_section, "%s", name);
break;
case dw_val_class_str:
if (AT_string_form (a) == DW_FORM_strp)
dw2_asm_output_offset (DWARF_OFFSET_SIZE,
a->dw_attr_val.v.val_str->label,
+ debug_str_section,
"%s: \"%s\"", name, AT_string (a));
else
dw2_asm_output_nstring (AT_string (a), -1, "%s", name);
@@ -7180,6 +7217,7 @@ output_compilation_unit_header (void)
"Length of Compilation Unit Info");
dw2_asm_output_data (2, DWARF_VERSION, "DWARF version number");
dw2_asm_output_offset (DWARF_OFFSET_SIZE, abbrev_section_label,
+ debug_abbrev_section,
"Offset Into Abbrev. Section");
dw2_asm_output_data (1, DWARF2_ADDR_SIZE, "Pointer Size (in bytes)");
}
@@ -7287,6 +7325,7 @@ output_pubnames (void)
"Length of Public Names Info");
dw2_asm_output_data (2, DWARF_VERSION, "DWARF Version");
dw2_asm_output_offset (DWARF_OFFSET_SIZE, debug_info_section_label,
+ debug_info_section,
"Offset of Compilation Unit Info");
dw2_asm_output_data (DWARF_OFFSET_SIZE, next_die_offset,
"Compilation Unit Length");
@@ -7345,6 +7384,7 @@ output_aranges (void)
"Length of Address Ranges Info");
dw2_asm_output_data (2, DWARF_VERSION, "DWARF Version");
dw2_asm_output_offset (DWARF_OFFSET_SIZE, debug_info_section_label,
+ debug_info_section,
"Offset of Compilation Unit Info");
dw2_asm_output_data (1, DWARF2_ADDR_SIZE, "Size of Address");
dw2_asm_output_data (1, 0, "Size of Segment Descriptor");
@@ -13732,6 +13772,8 @@ dwarf2out_init (const char *filename ATTRIBUTE_UNUSED)
DEBUG_STR_SECTION_FLAGS, NULL);
debug_ranges_section = get_section (DEBUG_RANGES_SECTION,
SECTION_DEBUG, NULL);
+ debug_frame_section = get_section (DEBUG_FRAME_SECTION,
+ SECTION_DEBUG, NULL);
ASM_GENERATE_INTERNAL_LABEL (text_end_label, TEXT_END_LABEL, 0);
ASM_GENERATE_INTERNAL_LABEL (abbrev_section_label,
@@ -14142,11 +14184,11 @@ dwarf2out_finish (const char *filename)
}
if (debug_info_level >= DINFO_LEVEL_NORMAL)
- add_AT_lbl_offset (comp_unit_die, DW_AT_stmt_list,
- debug_line_section_label);
+ add_AT_lineptr (comp_unit_die, DW_AT_stmt_list,
+ debug_line_section_label);
if (debug_info_level >= DINFO_LEVEL_VERBOSE)
- add_AT_lbl_offset (comp_unit_die, DW_AT_macro_info, macinfo_section_label);
+ add_AT_macptr (comp_unit_die, DW_AT_macro_info, macinfo_section_label);
/* Output all of the compilation units. We put the main one last so that
the offsets are available to output_pubnames. */
generated by cgit v1.1 at 2025-08-09 08:26:00 +0000