[Bug ld/3191] Dwarf 2 reader in linker doesn't suppor DW_FORM_ref_addr

[bjarne dot jensen at se dot transport dot bombardier dot com]

------- Additional Comments From bjarne dot jensen at se dot transport dot 
bombardier dot com  2008-07-23 10:21 -------
Created an attachment (id=2836)
 --> (http://sourceware.org/bugzilla/attachment.cgi?id=2836&action=view)
gdb crashes because abbrev_offset is incorrect (zero)

While trying to read the DWARF info in a linked object file I encountered a bug
in the compilation unit headers: The abbrev_offset member is always zero.
This causes the debug_info parser to interpret the attributes incorrectly and I
encounter the same symptoms in my parser as this PR describes.
Somehow the linker does not adjust the abbrev_offset in the compilation unit
header when it concatenates the .debug_abbrev sections of the object files.
Unfortunatly I don't have the knowledge to point to where this should happen.
The file org.o in the attachment causes gdb to crash. The file patched.o is OK.

The Makefile in the attached archive contains more info.

-- 


http://sourceware.org/bugzilla/show_bug.cgi?id=3191

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