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SubjectRe: [PATCH][RFC] 2.6 && module + -g && kernel w/o -g
>>>>> On Wed, 14 Jan 2004 14:09:37 -0700, Tom Rini <trini@kernel.crashing.org> said:

Tom> The following patch fixes the problem for me on PPC32:

Tom> --- 1.96/kernel/module.c Wed Jan 7 22:46:59 2004
Tom> +++ edited/kernel/module.c Wed Jan 14 14:05:12 2004
Tom> @@ -1439,6 +1439,13 @@
Tom> strindex = sechdrs[i].sh_link;
Tom> strtab = (char *)hdr + sechdrs[strindex].sh_offset;
Tom> }
Tom> +
Tom> + /* If we find any debug RELAs, frob these away now. */
Tom> + if (sechdrs[i].sh_type == SHT_RELA &&
Tom> + (strstr(secstrings+sechdrs[i].sh_name, ".debug")
Tom> + != 0))
Tom> + sechdrs[i].sh_type = SHT_NULL;
Tom> +
Tom> #ifndef CONFIG_MODULE_UNLOAD
Tom> /* Don't load .exit sections */
Tom> if (strncmp(secstrings+sechdrs[i].sh_name, ".exit", 5) == 0)

Tom> IMHO, this shouldn't be covered under a PPC32 test since at
Tom> least PPC32, PPC64 and Alpha have this issue, and I suspect
Tom> that ia64, parisc, s390 and v850 have the problem as well
Tom> (based on what their module_arch_frob bits look to be doing).

As far as ia64 is concerned, adding a check for .debug should be OK,
but since the debug sections do not have any relocs anyhow, it
shouldn't make much of a difference one way or another (addresses in
the debug section a segment-relative).

--david
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