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Extend support for DWARF-5 offset tables as generated by Clang++.

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Resolves: #2222697
This commit is contained in:
Nick Clifton 2023-07-25 13:24:54 +01:00
parent 126cd28d95
commit d69f0b8bf0
2 changed files with 70 additions and 1 deletions
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66
binutils-DW_FORM_strx.patch
View File

@ -734,3 +734,69 @@ diff -rup binutils.orig/gold/x86_64.cc binutils-2.30/gold/x86_64.cc
{
case elfcpp::GNU_PROPERTY_X86_ISA_1_USED:
this->isa_1_used_ |= val;
--- binutils.orig/bfd/dwarf2.c 2023-07-25 11:22:17.043088690 +0100
+++ binutils-2.30/bfd/dwarf2.c 2023-07-25 11:58:03.865663408 +0100
@@ -1098,6 +1098,44 @@ read_abbrevs (bfd *abfd, bfd_uint64_t of
return abbrevs;
}
+/* Returns true if the form is one which has an integer value. */
+
+static bfd_boolean
+is_int_form (const struct attribute *attr)
+{
+ switch (attr->form)
+ {
+ case DW_FORM_addr:
+ case DW_FORM_data2:
+ case DW_FORM_data4:
+ case DW_FORM_data8:
+ case DW_FORM_data1:
+ case DW_FORM_flag:
+ case DW_FORM_sdata:
+ case DW_FORM_udata:
+ case DW_FORM_ref_addr:
+ case DW_FORM_ref1:
+ case DW_FORM_ref2:
+ case DW_FORM_ref4:
+ case DW_FORM_ref8:
+ case DW_FORM_ref_udata:
+ case DW_FORM_sec_offset:
+ case DW_FORM_flag_present:
+ case DW_FORM_ref_sig8:
+ case DW_FORM_addrx:
+ case DW_FORM_implicit_const:
+ case DW_FORM_addrx1:
+ case DW_FORM_addrx2:
+ case DW_FORM_addrx3:
+ case DW_FORM_addrx4:
+ case DW_FORM_GNU_ref_alt:
+ return TRUE;
+
+ default:
+ return FALSE;
+ }
+}
+
/* Returns true if the form is one which has a string value. */
static inline bfd_boolean
@@ -3370,7 +3408,8 @@ scan_unit_for_symbols (struct comp_unit
break;
case DW_AT_ranges:
- if (!read_rangelist (unit, &func->arange, attr.u.val))
+ if (is_int_form (&attr)
+ && !read_rangelist (unit, &func->arange, attr.u.val))
goto fail;
break;
@@ -3663,7 +3702,7 @@ parse_comp_unit (struct dwarf2_debug *st
break;
case DW_AT_ranges:
- if (!read_rangelist (unit, &unit->arange, attr.u.val))
+ if (is_int_form (&attr) && !read_rangelist (unit, &unit->arange, attr.u.val))
return NULL;
break;

5
binutils.spec
View File

@ -43,7 +43,7 @@
Summary: A GNU collection of binary utilities
Name: binutils%{?name_cross}%{?_with_debug:-debug}
Version: 2.30
Release: 122%{?dist}
Release: 123%{?dist}
License: GPLv3+
URL: https://sourceware.org/binutils
@ -1328,6 +1328,9 @@ exit 0
#----------------------------------------------------------------------------
%changelog
* Tue Jul 25 2023 Nick Clifton <nickc@redhat.com> - 2.30-123
- Extend support for DWARF-5 offset tables as generated by Clang++. (#2222697)
* Tue Jul 18 2023 Nick Clifton <nickc@redhat.com> - 2.30-122
- Add support for DWARF-5 offset tables as generated by Clang++. (#2222697)