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Diffstat (limited to 'gcc/dwarf2out.c')
-rw-r--r--gcc/dwarf2out.c87
1 files changed, 72 insertions, 15 deletions
diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c
index a8d0048e17f..ba59251d66b 100644
--- a/gcc/dwarf2out.c
+++ b/gcc/dwarf2out.c
@@ -5401,6 +5401,7 @@ static int output_indirect_string (void **, void *);
static void dwarf2out_init (const char *);
static void dwarf2out_finish (const char *);
+static void dwarf2out_assembly_start (void);
static void dwarf2out_define (unsigned int, const char *);
static void dwarf2out_undef (unsigned int, const char *);
static void dwarf2out_start_source_file (unsigned, const char *);
@@ -5427,6 +5428,7 @@ const struct gcc_debug_hooks dwarf2_debug_hooks =
{
dwarf2out_init,
dwarf2out_finish,
+ dwarf2out_assembly_start,
dwarf2out_define,
dwarf2out_undef,
dwarf2out_start_source_file,
@@ -6478,6 +6480,10 @@ dwarf_tag_name (unsigned int tag)
return "DW_TAG_shared_type";
case DW_TAG_type_unit:
return "DW_TAG_type_unit";
+ case DW_TAG_rvalue_reference_type:
+ return "DW_TAG_rvalue_reference_type";
+ case DW_TAG_template_alias:
+ return "DW_TAG_template_alias";
case DW_TAG_GNU_template_parameter_pack:
return "DW_TAG_GNU_template_parameter_pack";
case DW_TAG_GNU_formal_parameter_pack:
@@ -6662,6 +6668,16 @@ dwarf_attr_name (unsigned int attr)
case DW_AT_signature:
return "DW_AT_signature";
+ case DW_AT_main_subprogram:
+ return "DW_AT_main_subprogram";
+ case DW_AT_data_bit_offset:
+ return "DW_AT_data_bit_offset";
+ case DW_AT_const_expr:
+ return "DW_AT_const_expr";
+ case DW_AT_enum_class:
+ return "DW_AT_enum_class";
+ case DW_AT_linkage_name:
+ return "DW_AT_linkage_name";
case DW_AT_MIPS_fde:
return "DW_AT_MIPS_fde";
@@ -6700,6 +6716,22 @@ dwarf_attr_name (unsigned int attr)
return "DW_AT_body_end";
case DW_AT_GNU_vector:
return "DW_AT_GNU_vector";
+ case DW_AT_GNU_guarded_by:
+ return "DW_AT_GNU_guarded_by";
+ case DW_AT_GNU_pt_guarded_by:
+ return "DW_AT_GNU_pt_guarded_by";
+ case DW_AT_GNU_guarded:
+ return "DW_AT_GNU_guarded";
+ case DW_AT_GNU_pt_guarded:
+ return "DW_AT_GNU_pt_guarded";
+ case DW_AT_GNU_locks_excluded:
+ return "DW_AT_GNU_locks_excluded";
+ case DW_AT_GNU_exclusive_locks_required:
+ return "DW_AT_GNU_exclusive_locks_required";
+ case DW_AT_GNU_shared_locks_required:
+ return "DW_AT_GNU_shared_locks_required";
+ case DW_AT_GNU_odr_signature:
+ return "DW_AT_GNU_odr_signature";
case DW_AT_GNU_template_name:
return "DW_AT_GNU_template_name";
@@ -6760,6 +6792,14 @@ dwarf_form_name (unsigned int form)
return "DW_FORM_ref_udata";
case DW_FORM_indirect:
return "DW_FORM_indirect";
+ case DW_FORM_sec_offset:
+ return "DW_FORM_sec_offset";
+ case DW_FORM_exprloc:
+ return "DW_FORM_exprloc";
+ case DW_FORM_flag_present:
+ return "DW_FORM_flag_present";
+ case DW_FORM_ref_sig8:
+ return "DW_FORM_ref_sig8";
default:
return "DW_FORM_<unknown>";
}
@@ -10352,7 +10392,7 @@ output_signature (const char *sig, const char *name)
int i;
for (i = 0; i < DWARF_TYPE_SIGNATURE_SIZE; i++)
- dw2_asm_output_data (1, sig[i], "%s", name);
+ dw2_asm_output_data (1, sig[i], i == 0 ? "%s" : NULL, name);
}
/* Output the DIE and its attributes. Called recursively to generate
@@ -10573,7 +10613,7 @@ output_die (dw_die_ref die)
for (i = 0; i < 8; i++)
dw2_asm_output_data (1, a->dw_attr_val.v.val_data8[i],
- "%s", name);
+ i == 0 ? "%s" : NULL, name);
break;
}
@@ -12856,10 +12896,7 @@ mem_loc_descriptor (rtx rtl, enum machine_mode mode,
case POST_INC:
case POST_DEC:
case POST_MODIFY:
- /* POST_INC and POST_DEC can be handled just like a SUBREG. So we
- just fall into the SUBREG code. */
-
- /* ... fall through ... */
+ return mem_loc_descriptor (XEXP (rtl, 0), mode, initialized);
case SUBREG:
/* The case of a subreg may arise when we have a local (register)
@@ -12867,9 +12904,13 @@ mem_loc_descriptor (rtx rtl, enum machine_mode mode,
up an entire register. For now, just assume that it is
legitimate to make the Dwarf info refer to the whole register which
contains the given subreg. */
- rtl = XEXP (rtl, 0);
+ if (!subreg_lowpart_p (rtl))
+ break;
+ rtl = SUBREG_REG (rtl);
if (GET_MODE_SIZE (GET_MODE (rtl)) > DWARF2_ADDR_SIZE)
break;
+ if (GET_MODE_CLASS (GET_MODE (rtl)) != MODE_INT)
+ break;
mem_loc_result = mem_loc_descriptor (rtl, mode, initialized);
break;
@@ -13354,12 +13395,19 @@ mem_loc_descriptor (rtx rtl, enum machine_mode mode,
if (BITS_BIG_ENDIAN)
shift = GET_MODE_BITSIZE (GET_MODE (XEXP (rtl, 0)))
- shift - size;
- add_loc_descr (&mem_loc_result,
- int_loc_descriptor (DWARF2_ADDR_SIZE - shift - size));
- add_loc_descr (&mem_loc_result, new_loc_descr (DW_OP_shl, 0, 0));
- add_loc_descr (&mem_loc_result,
- int_loc_descriptor (DWARF2_ADDR_SIZE - size));
- add_loc_descr (&mem_loc_result, new_loc_descr (op, 0, 0));
+ if (shift + size != (int) DWARF2_ADDR_SIZE)
+ {
+ add_loc_descr (&mem_loc_result,
+ int_loc_descriptor (DWARF2_ADDR_SIZE
+ - shift - size));
+ add_loc_descr (&mem_loc_result, new_loc_descr (DW_OP_shl, 0, 0));
+ }
+ if (size != (int) DWARF2_ADDR_SIZE)
+ {
+ add_loc_descr (&mem_loc_result,
+ int_loc_descriptor (DWARF2_ADDR_SIZE - size));
+ add_loc_descr (&mem_loc_result, new_loc_descr (op, 0, 0));
+ }
}
break;
@@ -13381,6 +13429,7 @@ mem_loc_descriptor (rtx rtl, enum machine_mode mode,
case ORDERED:
case UNEQ:
case UNGE:
+ case UNGT:
case UNLE:
case UNLT:
case LTGT:
@@ -20012,8 +20061,7 @@ dwarf2out_var_location (rtx loc_note)
ASM_OUTPUT_DEBUG_LABEL (asm_out_file, "LVL", loclabel_num);
loclabel_num++;
last_label = ggc_strdup (loclabel);
- if (!NOTE_DURING_CALL_P (loc_note))
- last_postcall_label = NULL;
+ last_postcall_label = NULL;
}
newloc->var_loc_note = loc_note;
newloc->next = NULL;
@@ -20346,6 +20394,14 @@ dwarf2out_init (const char *filename ATTRIBUTE_UNUSED)
ASM_OUTPUT_LABEL (asm_out_file, cold_text_section_label);
}
+}
+
+/* Called before cgraph_optimize starts outputtting functions, variables
+ and toplevel asms into assembly. */
+
+static void
+dwarf2out_assembly_start (void)
+{
if (HAVE_GAS_CFI_SECTIONS_DIRECTIVE && dwarf2out_do_cfi_asm ())
{
#ifndef TARGET_UNWIND_INFO
@@ -21228,6 +21284,7 @@ const struct gcc_debug_hooks dwarf2_debug_hooks =
{
0, /* init */
0, /* finish */
+ 0, /* assembly_start */
0, /* define */
0, /* undef */
0, /* start_source_file */
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-22 22:22:50 +0000