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ARM: module: ignore unwind for sections not marked SHF_ALLOC

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If a section is not marked with SHF_ALLOC, it will be discarded
by the module code.  Therefore, it is not correct to register
the unwind tables.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2010-11-12 13:04:16 +00:00
parent 8931360eb9
commit 50005a8deb
1 changed files with 3 additions and 0 deletions
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3
arch/arm/kernel/module.c
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@ -290,6 +290,9 @@ int module_finalize(const Elf32_Ehdr *hdr, const Elf_Shdr *sechdrs,
for (s = sechdrs; s < sechdrs_end; s++) {
const char *secname = secstrs + s->sh_name;
if (!(s->sh_flags & SHF_ALLOC))
continue;
if (strcmp(".ARM.exidx.init.text", secname) == 0)
maps[ARM_SEC_INIT].unw_sec = s;
else if (strcmp(".ARM.exidx.devinit.text", secname) == 0)