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* dwarf.c (read_and_display_attr_value): Don't reject 

dwarf_version == 4.  Handle DW_FORM_sec_offset, DW_FORM_flag_present
	and DW_FORM_exprloc.
	(process_debug_info): Handle cu_version == 4.
	(display_debug_lines_raw, display_debug_lines_decoded): Handle
	li_version == 4.
This commit is contained in:
Jakub Jelinek 2010-04-01 05:26:25 +00:00
parent c07cbdd706
commit 932fd279a9
2 changed files with 40 additions and 11 deletions
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9
binutils/ChangeLog
View File

@ -1,3 +1,12 @@
2010-04-01 Jakub Jelinek <jakub@redhat.com>
* dwarf.c (read_and_display_attr_value): Don't reject
dwarf_version == 4. Handle DW_FORM_sec_offset, DW_FORM_flag_present
and DW_FORM_exprloc.
(process_debug_info): Handle cu_version == 4.
(display_debug_lines_raw, display_debug_lines_decoded): Handle
li_version == 4.
2010-03-25 Joseph Myers <joseph@codesourcery.com>
* MAINTAINERS: Add self as TI C6X maintainer.

42
binutils/dwarf.c
View File

@ -1,5 +1,5 @@
/* dwarf.c -- display DWARF contents of a BFD binary file
Copyright 2005, 2006, 2007, 2008, 2009
Copyright 2005, 2006, 2007, 2008, 2009, 2010
Free Software Foundation, Inc.
This file is part of GNU Binutils.
@ -1154,14 +1154,14 @@ read_and_display_attr_value (unsigned long attribute,
uvalue = byte_get (data, pointer_size);
data += pointer_size;
}
else if (dwarf_version == 3)
else if (dwarf_version == 3 || dwarf_version == 4)
{
uvalue = byte_get (data, offset_size);
data += offset_size;
}
else
{
error (_("Internal error: DWARF version is not 2 or 3.\n"));
error (_("Internal error: DWARF version is not 2, 3 or 4.\n"));
}
break;
@ -1171,10 +1171,15 @@ read_and_display_attr_value (unsigned long attribute,
break;
case DW_FORM_strp:
case DW_FORM_sec_offset:
uvalue = byte_get (data, offset_size);
data += offset_size;
break;
case DW_FORM_flag_present:
uvalue = 1;
break;
case DW_FORM_ref1:
case DW_FORM_flag:
case DW_FORM_data1:
@ -1233,10 +1238,12 @@ read_and_display_attr_value (unsigned long attribute,
case DW_FORM_data4:
case DW_FORM_addr:
case DW_FORM_sec_offset:
if (!do_loc)
printf (" 0x%lx", uvalue);
break;
case DW_FORM_flag_present:
case DW_FORM_flag:
case DW_FORM_data1:
case DW_FORM_data2:
@ -1272,6 +1279,7 @@ read_and_display_attr_value (unsigned long attribute,
break;
case DW_FORM_block:
case DW_FORM_exprloc:
uvalue = read_leb128 (data, & bytes_read, 0);
block_start = data + bytes_read;
if (do_loc)
@ -1352,7 +1360,9 @@ read_and_display_attr_value (unsigned long attribute,
case DW_AT_segment:
case DW_AT_static_link:
case DW_AT_use_location:
if (form == DW_FORM_data4 || form == DW_FORM_data8)
if (form == DW_FORM_data4
|| form == DW_FORM_data8
|| form == DW_FORM_sec_offset)
{
/* Process location list. */
unsigned int lmax = debug_info_p->max_loc_offsets;
@ -1381,7 +1391,9 @@ read_and_display_attr_value (unsigned long attribute,
break;
case DW_AT_ranges:
if (form == DW_FORM_data4 || form == DW_FORM_data8)
if (form == DW_FORM_data4
|| form == DW_FORM_data8
|| form == DW_FORM_sec_offset)
{
/* Process range list. */
unsigned int lmax = debug_info_p->max_range_lists;
@ -1591,7 +1603,9 @@ read_and_display_attr_value (unsigned long attribute,
case DW_AT_segment:
case DW_AT_static_link:
case DW_AT_use_location:
if (form == DW_FORM_data4 || form == DW_FORM_data8)
if (form == DW_FORM_data4
|| form == DW_FORM_data8
|| form == DW_FORM_sec_offset)
printf (_("(location list)"));
/* Fall through. */
case DW_AT_allocated:
@ -2038,7 +2052,9 @@ process_debug_info (struct dwarf_section *section,
tags = hdrptr;
start += compunit.cu_length + initial_length_size;
if (compunit.cu_version != 2 && compunit.cu_version != 3)
if (compunit.cu_version != 2
&& compunit.cu_version != 3
&& compunit.cu_version != 4)
{
warn (_("CU at offset %lx contains corrupt or unsupported version number: %d.\n"),
cu_offset, compunit.cu_version);
@ -2269,9 +2285,11 @@ display_debug_lines_raw (struct dwarf_section *section,
/* Check its version number. */
linfo.li_version = byte_get (hdrptr, 2);
hdrptr += 2;
if (linfo.li_version != 2 && linfo.li_version != 3)
if (linfo.li_version != 2
&& linfo.li_version != 3
&& linfo.li_version != 4)
{
warn (_("Only DWARF version 2 and 3 line info is currently supported.\n"));
warn (_("Only DWARF version 2, 3 and 4 line info is currently supported.\n"));
return 0;
}
@ -2557,9 +2575,11 @@ display_debug_lines_decoded (struct dwarf_section *section,
/* Get this CU's Line Number Block version number. */
linfo.li_version = byte_get (hdrptr, 2);
hdrptr += 2;
if (linfo.li_version != 2 && linfo.li_version != 3)
if (linfo.li_version != 2
&& linfo.li_version != 3
&& linfo.li_version != 4)
{
warn (_("Only DWARF version 2 and 3 line info is currently "
warn (_("Only DWARF version 2, 3 and 4 line info is currently "
"supported.\n"));
return 0;
}