class C {
C();
void f() {};
};
C::C() { f(); };
g++ -c -o cu-overlap.o cu-overlap.C -g -O0
readelf --debug-dump=Ranges cu-overlap.o
Contents of the .debug_ranges section:
Offset Begin End
00000000 0000000000000000 0000000000000034
00000000 0000000000000000 000000000000000a
00000000 0000000000000000 000000000000001a
00000000 000000000000001a 0000000000000034
00000000 <End of list>
Relocation section '.rela.debug_ranges' at offset 0x1560 contains 8 entries:
Offset Type Symbol's Value Symbol's Name + Addend
0000000000000000 R_X86_64_64 0000000000000000 .text + 0
0000000000000008 R_X86_64_64 0000000000000000 .text + 34
0000000000000010 R_X86_64_64 0000000000000000 .text._ZN1C1fEv + 0
0000000000000018 R_X86_64_64 0000000000000000 .text._ZN1C1fEv + a
0000000000000020 R_X86_64_64 0000000000000000 .text + 0
0000000000000028 R_X86_64_64 0000000000000000 .text + 1a
0000000000000030 R_X86_64_64 0000000000000000 .text + 1a
0000000000000038 R_X86_64_64 0000000000000000 .text + 34
DWARF3 2.17.3: Address range entries in a range list may not overlap.
Contents of the .debug_ranges section:
Offset Begin End
1st 00000000 0000000000000000 0000000000000034 - is from .Ltext0 .. .Letext0
2nd 00000000 0000000000000000 000000000000000a - NOT overlapping, COMDAT C::f()
3rd 00000000 0000000000000000 000000000000001a - is from first C::C() instance
4th 00000000 000000000000001a 0000000000000034 - is from second C::C() instance
1st overlaps with 3rd+4th.
--
Summary: Overlapping .debug_ranges (C++)
Product: gcc
Version: 4.5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: debug
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: jan dot kratochvil at redhat dot com
GCC target triplet: x86_64-unknown-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40713
