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On Fri, Jun 29, 2007 at 03:34:35PM +0100, Will Newton wrote: > This seems to be done by dwarf2out_finish() in dwarf2out.c inside gcc. > > I assemble the result with gas, which then outputs another .debug_line > section in dwarf2_finish() in dwarf2dbg.c.
It sounds to me like your gcc is passing -g to gas, but not using .file and .loc directives. If it did use .loc, gas wouldn't add its own impression of the line number table. If it didn't pass -g, it wouldn't either.
Yes, the compiler isn't outputting .loc directives but a whole .debug_line section. I had a look at what the i386 gcc does and it outputs .loc but an empty .debug_line, pretty much the opposite. Would you recommend in the absence of .loc directives that I not pass -g to the assembler?
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