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kernel/module.c: Update debug alignment after symtable generation 

When CONFIG_DEBUG_SET_MODULE_RONX is enabled, the sizes of
module sections are aligned up so appropriate permissions can
be applied. Adjusting for the symbol table may cause them to
become unaligned. Make sure to re-align the sizes afterward.

Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
Acked-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Laura Abbott 2015-02-25 14:14:57 -08:00 committed by Catalin Marinas
parent 8b5f5a073f
commit 168e47f2a6
1 changed files with 2 additions and 0 deletions
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2
kernel/module.c
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@ -2313,11 +2313,13 @@ static void layout_symtab(struct module *mod, struct load_info *info)
info->symoffs = ALIGN(mod->core_size, symsect->sh_addralign ?: 1);
info->stroffs = mod->core_size = info->symoffs + ndst * sizeof(Elf_Sym);
mod->core_size += strtab_size;
mod->core_size = debug_align(mod->core_size);
/* Put string table section at end of init part of module. */
strsect->sh_flags |= SHF_ALLOC;
strsect->sh_entsize = get_offset(mod, &mod->init_size, strsect,
info->index.str) | INIT_OFFSET_MASK;
mod->init_size = debug_align(mod->init_size);
pr_debug("\t%s\n", info->secstrings + strsect->sh_name);
}