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binutils: Handle DWARF5 DW_FORM_ref_addr and DW_UT_partial.

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dwz in DWARF5 mode might produce DW_UT_partial unit types, which are
the same as DW_UT_compile unit types (but start with a DW_TAG_partial_unit)
and it might produce DW_FORM_ref_addr to create a reference between
units. Accept both constructs.

binutils/ChangeLog:

	* dwarf.c (read_and_display_attr_value): Handle DW_FORM_ref_addr
	for dwarf_version 5 just as version 3 and 4 (only 2 is different).
	(process_debug_info): Allow DW_UT_partial.
This commit is contained in:
Mark Wielaard
2020-09-23 16:31:14 +02:00
parent 29363cfa40
commit ec47b32a85
2 changed files with 10 additions and 2 deletions
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7
binutils/ChangeLog
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@ -1,3 +1,10 @@
2020-09-23 Mark Wielaard <mark@klomp.org>
* dwarf.c (read_and_display_attr_value): Handle DW_FORM_ref_addr
for dwarf_version 5 just as version 3 and 4 (only 2 is
different).
(process_debug_info): Allow DW_UT_partial.
2020-09-24 Nick Clifton <nickc@redhat.com> 2020-09-24 Nick Clifton <nickc@redhat.com>
PR 26662 PR 26662

5
binutils/dwarf.c
View File

@ -2202,10 +2202,10 @@ read_and_display_attr_value (unsigned long attribute,
case DW_FORM_ref_addr: case DW_FORM_ref_addr:
if (dwarf_version == 2) if (dwarf_version == 2)
SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end);
else if (dwarf_version == 3 || dwarf_version == 4) else if (dwarf_version > 2)
SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end); SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end);
else else
error (_("Internal error: DWARF version is not 2, 3 or 4.\n")); error (_("Internal error: DW_FORM_ref_addr is not supported in DWARF version 1.\n"));
break; break;
@ -3419,6 +3419,7 @@ process_debug_info (struct dwarf_section * section,
} }
if (compunit.cu_unit_type != DW_UT_compile if (compunit.cu_unit_type != DW_UT_compile
&& compunit.cu_unit_type != DW_UT_partial
&& compunit.cu_unit_type != DW_UT_type) && compunit.cu_unit_type != DW_UT_type)
{ {
warn (_("CU at offset %s contains corrupt or " warn (_("CU at offset %s contains corrupt or "