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Alan, Thanks for your quick response. Please see my small linker-test.tgz test package. With "-gstabs" compiling option, a hello world (binutils-2.20.1) links with a mangled-section.o(two section names are mangled, being orphan sections). It will crash in running (in ld-linux.so.2). It will not crash if built with binutils-2.17.50 (FC8). Yours sincerely, Sheng, Yongjie (Sam) -----Original Message----- From: Alan Modra [mailto:amodra@gmail.com] Sent: Wednesday, January 12, 2011 3:39 PM To: Sheng, Yongjie Cc: binutils@sources.redhat.com Subject: Re: Bug fix for gldelf_i386_place_orphan in elf32.em [version 2.20.1] On Wed, Jan 12, 2011 at 03:01:15PM +0800, Sheng, Yongjie wrote: > The above code set the hold[orphan_nonalloc] name as ".comment", but os as lookup->prev. It should be lookup itself, right? No. The idea is to place orphan non-alloc sections before debug sections, or when there are no debug sections, before .comment. The setting of .name is really just to ensure we don't call output_rel_find later in case no debug or .comment sections exist. (".comment" is a good choice because we know that won't be found by lang_output_section_find either.) -- Alan Modra Australia Development Lab, IBM
Attachment:
linker-test.tgz
Description: linker-test.tgz
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