From bc0a77d2b1a29222dacab21a0572322e39fb0c70 Mon Sep 17 00:00:00 2001 From: Jan Kratochvil Date: Thu, 23 Feb 2017 22:54:01 +0100 Subject: [PATCH] DWARF-5: call sites binutils/ 2017-02-23 Jan Kratochvil * 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. --- binutils/ChangeLog | 9 +++++++++ binutils/dwarf.c | 43 ++++++++++++++++++++++++++++++++++++------- 2 files changed, 45 insertions(+), 7 deletions(-) diff --git a/binutils/ChangeLog b/binutils/ChangeLog index c39385c49a..0187cdd5e9 100644 --- a/binutils/ChangeLog +++ b/binutils/ChangeLog @@ -1,3 +1,12 @@ +2017-02-23 Jan Kratochvil + + * 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 * dwarf.c (fetch_indirect_line_string): New function. diff --git a/binutils/dwarf.c b/binutils/dwarf.c index 420ae5d681..2540293e87 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))