Control: clone -1 -2 Control: retitle -2 diffoscope: readelf(1): Ignore data/instruction addresses that are de facto line numbers Control: retitle -1 diffoscope: readelf(1): Reduce noise from deltas of offsets embedded in instructions
Daniel Shahaf wrote on Tue, Sep 20, 2016 at 18:47:31 +0000: > However, in the .text section, each disassembled instruction is preceded > by its address. I think it would make sense to have the diff ignore > those addresses: they serve a purpose similar to line numbers, and > ignoring them cannot cause a difference to be missed. flexc++ has a difference on *every* line of several sections (.rodata, .eh_frame, others) because the sections start 0xc0 bytes later in the second build than in the first build: │ │ │ │ │ - 0x0043a320 01000200 00000000 623a423a 633a433a ........b:B:c:C: │ │ │ │ │ - 0x0043a330 64663a46 68693a49 3a4b6c3a 4c3a6d3a df:Fhi:I:Kl:L:m: ⋮ │ │ │ │ │ + 0x0043a3e0 01000200 00000000 623a423a 633a433a ........b:B:c:C: │ │ │ │ │ + 0x0043a3f0 64663a46 68693a49 3a4b6c3a 4c3a6d3a df:Fhi:I:Kl:L:m: Hence, filing this as a separate issue. #838260 can remain about offsets embedded in instructions. (It's safe to ignore these addresses because the start/end of the section already appear elsewhere in the diffed output.)
