From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Luis R. Rodriguez" Subject: [RFC v2 4/7] asm/sections: add a generic push_section_tbl() Date: Fri, 19 Feb 2016 05:45:56 -0800 Message-ID: <1455889559-9428-5-git-send-email-mcgrof@kernel.org> References: <1455889559-9428-1-git-send-email-mcgrof@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1455889559-9428-1-git-send-email-mcgrof@kernel.org> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: hpa@zytor.com, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de Cc: benh@kernel.crashing.org, ming.lei@canonical.com, masami.hiramatsu.pt@hitachi.com, linux-arch@vger.kernel.org, xen-devel@lists.xensource.com, linux@arm.linux.org.uk, x86@kernel.org, anil.s.keshavamurthy@intel.com, arnd@arndb.de, rusty@rustcorp.com.au, jbaron@akamai.com, boris.ostrovsky@oracle.com, andriy.shevchenko@linux.intel.com, mcb30@ipxe.org, jgross@suse.com, ananth@in.ibm.com, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, luto@amacapital.net, "Luis R. Rodriguez" , david.vrabel@citrix.com, dwmw2@infradead.org, davem@davemloft.net List-Id: xen-devel@lists.xenproject.org With a generic linker tables solution in place we need a general asm solution for declaring entries with asm. The first easy target is to cover the C asm declarations, guard the header file for now and define a first generic entry push_section_tbl() to be used later for custom linker table annotations. Signed-off-by: Luis R. Rodriguez --- include/asm-generic/sections.h | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/include/asm-generic/sections.h b/include/asm-generic/sections.h index af0254c09424..f5ea98bd85d2 100644 --- a/include/asm-generic/sections.h +++ b/include/asm-generic/sections.h @@ -3,8 +3,10 @@ /* References to section boundaries */ +#ifndef __ASSEMBLY__ #include #include +#include /* * Usage guidelines: @@ -128,4 +130,12 @@ static inline bool init_section_intersects(void *virt, size_t size) return memory_intersects(__init_begin, __init_end, virt, size); } +/* + * Some architectures do not like the "\t" at the end (s39), we should be + * able to generalize this further, but so far this covers most architectures. + */ +#define push_section_tbl(section, name, level, flags) \ + ".pushsection " SECTION_TBL(section,name,level) ", \"" #flags "\"\n\t" +#endif + #endif /* _ASM_GENERIC_SECTIONS_H_ */ -- 2.7.0