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authorJan Kratochvil <jan.kratochvil@redhat.com>2017-02-23 22:54:01 +0100
committerJan Kratochvil <jan.kratochvil@redhat.com>2017-02-23 22:57:22 +0100
commitbc0a77d2b1a29222dacab21a0572322e39fb0c70 (patch)
tree33665b06dea0d3a953588827852f531b1e7f037a /binutils
parent77145576fadc4dd2879adf5242b610ebbe30ec30 (diff)
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DWARF-5: call sites
binutils/ 2017-02-23 Jan Kratochvil <jan.kratochvil@redhat.com> * dwarf.c (decode_location_expression): Support DW_OP_implicit_pointer, DW_OP_const_type, DW_OP_regval_type, DW_OP_deref_type, DW_OP_convert and DW_OP_reinterpret. (read_and_display_attr_value): Support DW_AT_call_value, DW_AT_call_data_value, DW_AT_call_target and DW_AT_call_target_clobbered.
Diffstat (limited to 'binutils')
-rw-r--r--binutils/ChangeLog9
-rw-r--r--binutils/dwarf.c43
2 files changed, 45 insertions, 7 deletions
diff --git a/binutils/ChangeLog b/binutils/ChangeLog
index c39385c..0187cdd 100644
--- a/binutils/ChangeLog
+++ b/binutils/ChangeLog
@@ -1,5 +1,14 @@
2017-02-23 Jan Kratochvil <jan.kratochvil@redhat.com>
+ * dwarf.c (decode_location_expression): Support DW_OP_implicit_pointer,
+ DW_OP_const_type, DW_OP_regval_type, DW_OP_deref_type, DW_OP_convert
+ and DW_OP_reinterpret.
+ (read_and_display_attr_value): Support DW_AT_call_value,
+ DW_AT_call_data_value, DW_AT_call_target and
+ DW_AT_call_target_clobbered.
+
+2017-02-23 Jan Kratochvil <jan.kratochvil@redhat.com>
+
* dwarf.c (fetch_indirect_line_string): New function.
(abbrev_attr): New field implicit_const.
(add_abbrev_attr): New parameter implicit_const.
diff --git a/binutils/dwarf.c b/binutils/dwarf.c
index 420ae5d..2540293 100644
--- a/binutils/dwarf.c
+++ b/binutils/dwarf.c
@@ -1322,12 +1322,16 @@ decode_location_expression (unsigned char * data,
print_dwarf_vma (addr, pointer_size);
}
break;
+ case DW_OP_implicit_pointer:
case DW_OP_GNU_implicit_pointer:
/* XXX: Strictly speaking for 64-bit DWARF3 files
this ought to be an 8-byte wide computation. */
if (dwarf_version == -1)
{
- printf (_("(DW_OP_GNU_implicit_pointer in frame info)"));
+ printf (_("(%s in frame info)"),
+ (op == DW_OP_implicit_pointer
+ ? "DW_OP_implicit_pointer"
+ : "DW_OP_GNU_implicit_pointer"));
/* No way to tell where the next op is, so just bail. */
return need_frame_base;
}
@@ -1339,7 +1343,9 @@ decode_location_expression (unsigned char * data,
{
SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end);
}
- printf ("DW_OP_GNU_implicit_pointer: <0x%s> %s",
+ printf ("%s: <0x%s> %s",
+ (op == DW_OP_implicit_pointer
+ ? "DW_OP_implicit_pointer" : "DW_OP_GNU_implicit_pointer"),
dwarf_vmatoa ("x", uvalue),
dwarf_vmatoa ("d", read_sleb128 (data,
&bytes_read, end)));
@@ -1363,40 +1369,55 @@ decode_location_expression (unsigned char * data,
if (data > end)
data = end;
break;
+ case DW_OP_const_type:
case DW_OP_GNU_const_type:
uvalue = read_uleb128 (data, &bytes_read, end);
data += bytes_read;
- printf ("DW_OP_GNU_const_type: <0x%s> ",
+ printf ("%s: <0x%s> ",
+ (op == DW_OP_const_type ? "DW_OP_const_type"
+ : "DW_OP_GNU_const_type"),
dwarf_vmatoa ("x", cu_offset + uvalue));
SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
data = display_block (data, uvalue, end, ' ');
break;
+ case DW_OP_regval_type:
case DW_OP_GNU_regval_type:
uvalue = read_uleb128 (data, &bytes_read, end);
data += bytes_read;
- printf ("DW_OP_GNU_regval_type: %s (%s)",
+ printf ("%s: %s (%s)",
+ (op == DW_OP_regval_type ? "DW_OP_regval_type"
+ : "DW_OP_GNU_regval_type"),
dwarf_vmatoa ("u", uvalue), regname (uvalue, 1));
uvalue = read_uleb128 (data, &bytes_read, end);
data += bytes_read;
printf (" <0x%s>", dwarf_vmatoa ("x", cu_offset + uvalue));
break;
+ case DW_OP_deref_type:
case DW_OP_GNU_deref_type:
SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
- printf ("DW_OP_GNU_deref_type: %ld", (long) uvalue);
+ printf ("%s: %ld",
+ (op == DW_OP_deref_type ? "DW_OP_deref_type"
+ : "DW_OP_GNU_deref_type"),
+ (long) uvalue);
uvalue = read_uleb128 (data, &bytes_read, end);
data += bytes_read;
printf (" <0x%s>", dwarf_vmatoa ("x", cu_offset + uvalue));
break;
+ case DW_OP_convert:
case DW_OP_GNU_convert:
uvalue = read_uleb128 (data, &bytes_read, end);
data += bytes_read;
- printf ("DW_OP_GNU_convert <0x%s>",
+ printf ("%s <0x%s>",
+ (op == DW_OP_convert ? "DW_OP_convert" : "DW_OP_GNU_convert"),
dwarf_vmatoa ("x", uvalue ? cu_offset + uvalue : 0));
break;
+ case DW_OP_reinterpret:
case DW_OP_GNU_reinterpret:
uvalue = read_uleb128 (data, &bytes_read, end);
data += bytes_read;
- printf ("DW_OP_GNU_reinterpret <0x%s>",
+ printf ("%s <0x%s>",
+ (op == DW_OP_reinterpret ? "DW_OP_reinterpret"
+ : "DW_OP_GNU_reinterpret"),
dwarf_vmatoa ("x", uvalue ? cu_offset + uvalue : 0));
break;
case DW_OP_GNU_parameter_ref:
@@ -1884,9 +1905,13 @@ read_and_display_attr_value (unsigned long attribute,
case DW_AT_segment:
case DW_AT_static_link:
case DW_AT_use_location:
+ case DW_AT_call_value:
case DW_AT_GNU_call_site_value:
+ case DW_AT_call_data_value:
case DW_AT_GNU_call_site_data_value:
+ case DW_AT_call_target:
case DW_AT_GNU_call_site_target:
+ case DW_AT_call_target_clobbered:
case DW_AT_GNU_call_site_target_clobbered:
if ((dwarf_version < 4
&& (form == DW_FORM_data4 || form == DW_FORM_data8))
@@ -2160,9 +2185,13 @@ read_and_display_attr_value (unsigned long attribute,
case DW_AT_segment:
case DW_AT_static_link:
case DW_AT_use_location:
+ case DW_AT_call_value:
case DW_AT_GNU_call_site_value:
+ case DW_AT_call_data_value:
case DW_AT_GNU_call_site_data_value:
+ case DW_AT_call_target:
case DW_AT_GNU_call_site_target:
+ case DW_AT_call_target_clobbered:
case DW_AT_GNU_call_site_target_clobbered:
if ((dwarf_version < 4
&& (form == DW_FORM_data4 || form == DW_FORM_data8))