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-rw-r--r--gcc/dwarf2out.c85
1 files changed, 49 insertions, 36 deletions
diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c
index 6b08ab6..a7b2b86 100644
--- a/gcc/dwarf2out.c
+++ b/gcc/dwarf2out.c
@@ -4122,6 +4122,9 @@ static int maybe_emit_file (int);
#ifndef TEXT_SECTION_LABEL
#define TEXT_SECTION_LABEL "Ltext"
#endif
+#ifndef COLD_TEXT_SECTION_LABEL
+#define COLD_TEXT_SECTION_LABEL "Ltext_cold"
+#endif
#ifndef DEBUG_LINE_SECTION_LABEL
#define DEBUG_LINE_SECTION_LABEL "Ldebug_line"
#endif
@@ -4149,6 +4152,8 @@ static int maybe_emit_file (int);
static char text_end_label[MAX_ARTIFICIAL_LABEL_BYTES];
static char text_section_label[MAX_ARTIFICIAL_LABEL_BYTES];
+static char cold_text_section_label[MAX_ARTIFICIAL_LABEL_BYTES];
+static char cold_end_label[MAX_ARTIFICIAL_LABEL_BYTES];
static char abbrev_section_label[MAX_ARTIFICIAL_LABEL_BYTES];
static char debug_info_section_label[MAX_ARTIFICIAL_LABEL_BYTES];
static char debug_line_section_label[MAX_ARTIFICIAL_LABEL_BYTES];
@@ -4159,6 +4164,9 @@ static char ranges_section_label[2 * MAX_ARTIFICIAL_LABEL_BYTES];
#ifndef TEXT_END_LABEL
#define TEXT_END_LABEL "Letext"
#endif
+#ifndef COLD_END_LABEL
+#define COLD_END_LABEL "Letext_cold"
+#endif
#ifndef BLOCK_BEGIN_LABEL
#define BLOCK_BEGIN_LABEL "LBB"
#endif
@@ -6799,13 +6807,14 @@ static void
dwarf2out_switch_text_section (void)
{
dw_fde_ref fde;
+ struct function *cfun = DECL_STRUCT_FUNCTION (current_function_decl);
fde = &fde_table[fde_table_in_use - 1];
fde->dw_fde_switched_sections = true;
- fde->dw_fde_hot_section_label = xstrdup (hot_section_label);
- fde->dw_fde_hot_section_end_label = xstrdup (hot_section_end_label);
- fde->dw_fde_unlikely_section_label = xstrdup (unlikely_section_label);
- fde->dw_fde_unlikely_section_end_label = xstrdup (cold_section_end_label);
+ fde->dw_fde_hot_section_label = cfun->hot_section_label;
+ fde->dw_fde_hot_section_end_label = cfun->hot_section_end_label;
+ fde->dw_fde_unlikely_section_label = cfun->cold_section_label;
+ fde->dw_fde_unlikely_section_end_label = cfun->cold_section_end_label;
separate_line_info_table_in_use++;
}
@@ -7235,14 +7244,15 @@ output_aranges (void)
}
dw2_asm_output_addr (DWARF2_ADDR_SIZE, text_section_label, "Address");
- if (last_text_section == in_unlikely_executed_text
- || (last_text_section == in_named
- && last_text_section_name == unlikely_text_section_name))
- dw2_asm_output_delta (DWARF2_ADDR_SIZE, text_end_label,
- unlikely_section_label, "Length");
- else
- dw2_asm_output_delta (DWARF2_ADDR_SIZE, text_end_label,
- text_section_label, "Length");
+ dw2_asm_output_delta (DWARF2_ADDR_SIZE, text_end_label,
+ text_section_label, "Length");
+ if (flag_reorder_blocks_and_partition)
+ {
+ dw2_asm_output_addr (DWARF2_ADDR_SIZE, cold_text_section_label,
+ "Address");
+ dw2_asm_output_delta (DWARF2_ADDR_SIZE, cold_end_label,
+ cold_text_section_label, "Length");
+ }
for (i = 0; i < arange_table_in_use; i++)
{
@@ -7332,24 +7342,11 @@ output_ranges (void)
base of the text section. */
if (separate_line_info_table_in_use == 0)
{
- if (last_text_section == in_unlikely_executed_text
- || (last_text_section == in_named
- && last_text_section_name == unlikely_text_section_name))
- {
- dw2_asm_output_delta (DWARF2_ADDR_SIZE, blabel,
- unlikely_section_label,
- fmt, i * 2 * DWARF2_ADDR_SIZE);
- dw2_asm_output_delta (DWARF2_ADDR_SIZE, elabel,
- unlikely_section_label, NULL);
- }
- else
- {
- dw2_asm_output_delta (DWARF2_ADDR_SIZE, blabel,
- text_section_label,
- fmt, i * 2 * DWARF2_ADDR_SIZE);
- dw2_asm_output_delta (DWARF2_ADDR_SIZE, elabel,
- text_section_label, NULL);
- }
+ dw2_asm_output_delta (DWARF2_ADDR_SIZE, blabel,
+ text_section_label,
+ fmt, i * 2 * DWARF2_ADDR_SIZE);
+ dw2_asm_output_delta (DWARF2_ADDR_SIZE, elabel,
+ text_section_label, NULL);
}
/* Otherwise, we add a DW_AT_entry_pc attribute to force the
@@ -7665,6 +7662,7 @@ output_line_info (void)
long line_delta;
unsigned long current_file;
unsigned long function;
+ struct function *cfun = DECL_STRUCT_FUNCTION (current_function_decl);
ASM_GENERATE_INTERNAL_LABEL (l1, LINE_NUMBER_BEGIN_LABEL, 0);
ASM_GENERATE_INTERNAL_LABEL (l2, LINE_NUMBER_END_LABEL, 0);
@@ -7736,8 +7734,8 @@ output_line_info (void)
current_line = 1;
if (last_text_section == in_unlikely_executed_text
|| (last_text_section == in_named
- && last_text_section_name == unlikely_text_section_name))
- strcpy (prev_line_label, unlikely_section_label);
+ && last_text_section_name == cfun->unlikely_text_section_name))
+ strcpy (prev_line_label, cfun->cold_section_label);
else
strcpy (prev_line_label, text_section_label);
for (lt_index = 1; lt_index < line_info_table_in_use; ++lt_index)
@@ -10110,6 +10108,7 @@ add_location_or_const_value_attribute (dw_die_ref die, tree decl,
const char *endname;
dw_loc_list_ref list;
rtx varloc;
+ struct function *cfun = DECL_STRUCT_FUNCTION (current_function_decl);
/* We need to figure out what section we should use as the base
@@ -10135,8 +10134,8 @@ add_location_or_const_value_attribute (dw_die_ref die, tree decl,
}
else if (last_text_section == in_unlikely_executed_text
|| (last_text_section == in_named
- && last_text_section_name == unlikely_text_section_name))
- secname = unlikely_section_label;
+ && last_text_section_name == cfun->unlikely_text_section_name))
+ secname = cfun->cold_section_label;
else
secname = text_section_label;
@@ -13229,6 +13228,7 @@ dwarf2out_var_location (rtx loc_note)
static rtx last_insn;
static const char *last_label;
tree decl;
+ struct function *cfun = DECL_STRUCT_FUNCTION (current_function_decl);
if (!DECL_P (NOTE_VAR_LOCATION_DECL (loc_note)))
return;
@@ -13257,8 +13257,8 @@ dwarf2out_var_location (rtx loc_note)
if (last_text_section == in_unlikely_executed_text
|| (last_text_section == in_named
- && last_text_section_name == unlikely_text_section_name))
- newloc->section_label = unlikely_section_label;
+ && last_text_section_name == cfun->unlikely_text_section_name))
+ newloc->section_label = cfun->cold_section_label;
else
newloc->section_label = text_section_label;
@@ -13496,6 +13496,9 @@ dwarf2out_init (const char *filename ATTRIBUTE_UNUSED)
ASM_GENERATE_INTERNAL_LABEL (abbrev_section_label,
DEBUG_ABBREV_SECTION_LABEL, 0);
ASM_GENERATE_INTERNAL_LABEL (text_section_label, TEXT_SECTION_LABEL, 0);
+ ASM_GENERATE_INTERNAL_LABEL (cold_text_section_label,
+ COLD_TEXT_SECTION_LABEL, 0);
+ ASM_GENERATE_INTERNAL_LABEL (cold_end_label, COLD_END_LABEL, 0);
ASM_GENERATE_INTERNAL_LABEL (debug_info_section_label,
DEBUG_INFO_SECTION_LABEL, 0);
@@ -13520,6 +13523,11 @@ dwarf2out_init (const char *filename ATTRIBUTE_UNUSED)
text_section ();
ASM_OUTPUT_LABEL (asm_out_file, text_section_label);
+ if (flag_reorder_blocks_and_partition)
+ {
+ unlikely_text_section ();
+ ASM_OUTPUT_LABEL (asm_out_file, cold_text_section_label);
+ }
}
/* A helper function for dwarf2out_finish called through
@@ -13851,6 +13859,11 @@ dwarf2out_finish (const char *filename)
/* Output a terminator label for the .text section. */
text_section ();
targetm.asm_out.internal_label (asm_out_file, TEXT_END_LABEL, 0);
+ if (flag_reorder_blocks_and_partition)
+ {
+ unlikely_text_section ();
+ targetm.asm_out.internal_label (asm_out_file, COLD_END_LABEL, 0);
+ }
/* Output the source line correspondence table. We must do this
even if there is no line information. Otherwise, on an empty
generated by cgit v1.1 at 2025-06-06 02:39:07 +0000