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<title>lwn.git/arch/sparc/include/asm/module.h, branch v3.12.47</title>
<subtitle>Linux kernel documentation tree maintained by Jonathan Corbet</subtitle>
<id>http://mirrors.hust.edu.cn/git/lwn.git/atom?h=v3.12.47</id>
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<updated>2012-09-28T05:01:03+00:00</updated>
<entry>
<title>Make most arch asm/module.h files use asm-generic/module.h</title>
<updated>2012-09-28T05:01:03+00:00</updated>
<author>
<name>David Howells</name>
<email>dhowells@redhat.com</email>
</author>
<published>2012-09-28T05:01:03+00:00</published>
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<id>urn:sha1:786d35d45cc40b2a51a18f73e14e135d47fdced7</id>
<content type='text'>
Use the mapping of Elf_[SPE]hdr, Elf_Addr, Elf_Sym, Elf_Dyn, Elf_Rel/Rela,
ELF_R_TYPE() and ELF_R_SYM() to either the 32-bit version or the 64-bit version
into asm-generic/module.h for all arches bar MIPS.

Also, use the generic definition mod_arch_specific where possible.

To this end, I've defined three new config bools:

 (*) HAVE_MOD_ARCH_SPECIFIC

     Arches define this if they don't want to use the empty generic
     mod_arch_specific struct.

 (*) MODULES_USE_ELF_RELA

     Arches define this if their modules can contain RELA records.  This causes
     the Elf_Rela mapping to be emitted and allows apply_relocate_add() to be
     defined by the arch rather than have the core emit an error message.

 (*) MODULES_USE_ELF_REL

     Arches define this if their modules can contain REL records.  This causes
     the Elf_Rel mapping to be emitted and allows apply_relocate() to be
     defined by the arch rather than have the core emit an error message.

Note that it is possible to allow both REL and RELA records: m68k and mips are
two arches that do this.

With this, some arch asm/module.h files can be deleted entirely and replaced
with a generic-y marker in the arch Kbuild file.

Additionally, I have removed the bits from m32r and score that handle the
unsupported type of relocation record as that's now handled centrally.

Signed-off-by: David Howells &lt;dhowells@redhat.com&gt;
Acked-by: Sam Ravnborg &lt;sam@ravnborg.org&gt;
Signed-off-by: Rusty Russell &lt;rusty@rustcorp.com.au&gt;
</content>
</entry>
<entry>
<title>sparc: unify module.h</title>
<updated>2008-12-26T23:35:41+00:00</updated>
<author>
<name>Sam Ravnborg</name>
<email>sam@ravnborg.org</email>
</author>
<published>2008-12-26T23:35:41+00:00</published>
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<id>urn:sha1:e1648a8194117c7afeb432afb0d10896e10cbea4</id>
<content type='text'>
Use some preprocessor magic in combination with the
newly introduced CONFIG_BITS to unify module.h.

A few additional symbols are added as they are needed in a follow-up patch

Signed-off-by: Sam Ravnborg &lt;sam@ravnborg.org&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</content>
</entry>
<entry>
<title>sparc, sparc64: use arch/sparc/include</title>
<updated>2008-07-27T21:00:59+00:00</updated>
<author>
<name>Sam Ravnborg</name>
<email>sam@ravnborg.org</email>
</author>
<published>2008-07-27T21:00:59+00:00</published>
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<id>urn:sha1:a439fe51a1f8eb087c22dd24d69cebae4a3addac</id>
<content type='text'>
The majority of this patch was created by the following script:

***
ASM=arch/sparc/include/asm
mkdir -p $ASM
git mv include/asm-sparc64/ftrace.h $ASM
git rm include/asm-sparc64/*
git mv include/asm-sparc/* $ASM
sed -ie 's/asm-sparc64/asm/g' $ASM/*
sed -ie 's/asm-sparc/asm/g' $ASM/*
***

The rest was an update of the top-level Makefile to use sparc
for header files when sparc64 is being build.
And a small fixlet to pick up the correct unistd.h from
sparc64 code.

Signed-off-by: Sam Ravnborg &lt;sam@ravnborg.org&gt;
</content>
</entry>
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