Roland McGrath <[email protected]> writes: >> But since the debug_line table header is actually there, dwarflint is >> still not really happy. empty.o as produced by my patched gcc attached. >> >> $ eu-dwarflint empty.o >> warning: .debug_line: table 0: the file #1 `empty.c' is not used. >> error: .debug_line: table 0: sequence of opcodes not terminated with >> DW_LNE_end_sequence. >> >> So maybe a better solution would be to just add a dummy end_sequence. > > I'm not sure the specification is clear this is invalid. It says, "Every > line number program sequence must end with a DW_LNE_end_sequence > instruction..." But I don't see any wording that says there actually has > to be any line number program sequence at all. Note that a .debug_line > table with no line number program sequences still has a valid meaning: it > defines the include directory path for the CU, and it defines the file > entries that the CU's DW_AT_decl_file et al refer to.
I suppressed that message in dwarflint to only appear if there are actual line number program opcodes in the table. PM _______________________________________________ elfutils-devel mailing list [email protected] https://fedorahosted.org/mailman/listinfo/elfutils-devel
