On 09/11/2022 13:54, John DelSignore via Dwarf-Discuss wrote: > Hi, > > On Ubuntu 22.04, the Python 3.9 DWARF debug information has compilation units > that look like this: > > Compilation Unit @ offset 0x0: > Length: 0x1a14a (32-bit) > Version: 5 > Unit Type: DW_UT_compile (1) > Abbrev Offset: 0x0 > Pointer Size: 8 > <0><c>: Abbrev Number: 27 (DW_TAG_compile_unit) > <d> DW_AT_producer : (indirect string, offset: 0x3a): GNU GIMPLE > 11.2.0 -mtune=generic > -march=x86-64 -g -Og -Og -Og -fno-openmp -fno-openacc -fcf-protection=full > -ffat-lto-objects > -fltrans -fno-PIE > <11> DW_AT_language : 12 (ANSI C99) > * <12> DW_AT_name : (indirect line string, offset: 0x0): > <artificial>* > <16> DW_AT_comp_dir : (indirect line string, offset: 0xd): > /build/python3.9-gIt5iY/python3.9-3.9.14/build-debug > <1a> DW_AT_low_pc : 0x422e96 > <22> DW_AT_high_pc : 0xbf8c > <2a> DW_AT_stmt_list : 0x0 > > Notice that the DW_AT_name attribute for the CU is "<artificial>". The > .debug_line info has the same > file name: > > The Directory Table (offset 0x22, lines 11, columns 1): > Entry Name > 0 (indirect line string, offset: 0xd): > /build/python3.9-gIt5iY/python3.9-3.9.14/build-debug > ...SNIP... > > The File Name Table (offset 0x54, lines 23, columns 2): > Entry Dir Name > * 0 0 (indirect line string, offset: 0x0): <artificial>* > ...SNIP... > > Does anyone know what an "<artificial>" file name is supposed to mean? > > Thanks, John D.
It probably could be lto produced unit. https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65015 Thanks Abid _______________________________________________ Dwarf-Discuss mailing list Dwarf-Discuss@lists.dwarfstd.org http://lists.dwarfstd.org/listinfo.cgi/dwarf-discuss-dwarfstd.org
