From: Denys Vlasenko <vda.linux@googlemail.com>
To: linux-arch@vger.kernel.org
Cc: Russell King <rmk@arm.linux.org.uk>,
David Howells <dhowells@redhat.com>,
Ralf Baechle <ralf@linux-mips.org>,
Lennert Buytenhek <kernel@wantstofly.org>,
Josh Boyer <jwboyer@linux.vnet.ibm.com>,
Paul Mackerras <paulus@samba.org>,
David Woodhouse <dwmw2@infradead.org>,
Andi Kleen <andi@firstfloor.org>,
torvalds@linux-foundation.org, akpm@linux-foundation.org,
Paul Gortmaker <paul.gortmaker@windriver.com>,
linux-embedded@vger.kernel.org, linux-kernel@vger.kernel.org,
Tim Bird <tim.bird@am.sony.com>,
Martin Schwidefsky <schwidefsky@de.ibm.com>,
Dave Miller <davem@davemloft.net>
Subject: [PATCH 14/23] make section names compatible with -ffunction-sections -fdata-sections: parisc
Date: Wed, 2 Jul 2008 02:39:11 +0200 [thread overview]
Message-ID: <200807020239.11410.vda.linux@googlemail.com> (raw)
The purpose of this patch is to make kernel buildable
with "gcc -ffunction-sections -fdata-sections".
This patch fixes parisc architecture.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
--
vda
--- 0.org/arch/parisc/kernel/head.S Wed Jul 2 00:40:41 2008
+++ 1.fixname/arch/parisc/kernel/head.S Wed Jul 2 00:45:45 2008
@@ -345,7 +345,7 @@
ENDPROC(stext)
#ifndef CONFIG_64BIT
- .section .data.read_mostly
+ .section .read_mostly.data
.align 4
.export $global$,data
--- 0.org/arch/parisc/kernel/init_task.c Wed Jul 2 00:40:41 2008
+++ 1.fixname/arch/parisc/kernel/init_task.c Wed Jul 2 00:46:55 2008
@@ -49,7 +49,7 @@
* "init_task" linker map entry..
*/
union thread_union init_thread_union
- __attribute__((aligned(128))) __attribute__((__section__(".data.init_task"))) =
+ __attribute__((aligned(128))) __attribute__((__section__(".init_task.data"))) =
{ INIT_THREAD_INFO(init_task) };
#if PT_NLEVELS == 3
@@ -58,11 +58,11 @@
* guarantee that global objects will be laid out in memory in the same order
* as the order of declaration, so put these in different sections and use
* the linker script to order them. */
-pmd_t pmd0[PTRS_PER_PMD] __attribute__ ((__section__ (".data.vm0.pmd"), aligned(PAGE_SIZE)));
+pmd_t pmd0[PTRS_PER_PMD] __attribute__ ((__section__ (".vm0.pmd.data"), aligned(PAGE_SIZE)));
#endif
-pgd_t swapper_pg_dir[PTRS_PER_PGD] __attribute__ ((__section__ (".data.vm0.pgd"), aligned(PAGE_SIZE)));
-pte_t pg0[PT_INITIAL * PTRS_PER_PTE] __attribute__ ((__section__ (".data.vm0.pte"), aligned(PAGE_SIZE)));
+pgd_t swapper_pg_dir[PTRS_PER_PGD] __attribute__ ((__section__ (".vm0.pgd.data"), aligned(PAGE_SIZE)));
+pte_t pg0[PT_INITIAL * PTRS_PER_PTE] __attribute__ ((__section__ (".vm0.pte.data"), aligned(PAGE_SIZE)));
/*
* Initial task structure.
--- 0.org/arch/parisc/kernel/vmlinux.lds.S Wed Jul 2 00:40:41 2008
+++ 1.fixname/arch/parisc/kernel/vmlinux.lds.S Wed Jul 2 01:02:35 2008
@@ -54,10 +54,10 @@
TEXT_TEXT
SCHED_TEXT
LOCK_TEXT
- *(.text.do_softirq)
- *(.text.sys_exit)
- *(.text.do_sigaltstack)
- *(.text.do_fork)
+ *(.do_softirq.text)
+ *(.sys_exit.text)
+ *(.do_sigaltstack.text)
+ *(.do_fork.text)
*(.text.*)
*(.fixup)
*(.lock.text) /* out-of-line lock text */
@@ -95,8 +95,8 @@
/* rarely changed data like cpu maps */
. = ALIGN(16);
- .data.read_mostly : {
- *(.data.read_mostly)
+ .read_mostly.data : {
+ *(.read_mostly.data)
}
. = ALIGN(L1_CACHE_BYTES);
@@ -107,14 +107,14 @@
}
. = ALIGN(L1_CACHE_BYTES);
- .data.cacheline_aligned : {
- *(.data.cacheline_aligned)
+ .cacheline_aligned.data : {
+ *(.cacheline_aligned.data)
}
/* PA-RISC locks requires 16-byte alignment */
. = ALIGN(16);
- .data.lock_aligned : {
- *(.data.lock_aligned)
+ .lock_aligned.data : {
+ *(.lock_aligned.data)
}
/* nosave data is really only used for software suspend...it's here
@@ -123,7 +123,7 @@
. = ALIGN(PAGE_SIZE);
__nosave_begin = .;
.data_nosave : {
- *(.data.nosave)
+ *(.nosave.data)
}
. = ALIGN(PAGE_SIZE);
__nosave_end = .;
@@ -135,10 +135,10 @@
__bss_start = .;
/* page table entries need to be PAGE_SIZE aligned */
. = ALIGN(PAGE_SIZE);
- .data.vmpages : {
- *(.data.vm0.pmd)
- *(.data.vm0.pgd)
- *(.data.vm0.pte)
+ .data.vmpages : { /* TODO: rename .vmpages.data? */
+ *(.vm0.pmd.data)
+ *(.vm0.pgd.data)
+ *(.vm0.pte.data)
}
.bss : {
*(.bss)
@@ -150,8 +150,8 @@
/* assembler code expects init_task to be 16k aligned */
. = ALIGN(16384);
/* init_task */
- .data.init_task : {
- *(.data.init_task)
+ .init_task.data : {
+ *(.init_task.data)
}
#ifdef CONFIG_64BIT
--- 0.org/include/asm-parisc/cache.h Wed Jul 2 00:40:50 2008
+++ 1.fixname/include/asm-parisc/cache.h Wed Jul 2 00:45:45 2008
@@ -28,7 +28,7 @@
#define SMP_CACHE_BYTES L1_CACHE_BYTES
-#define __read_mostly __attribute__((__section__(".data.read_mostly")))
+#define __read_mostly __attribute__((__section__(".read_mostly.data")))
void parisc_cache_init(void); /* initializes cache-flushing */
void disable_sr_hashing_asm(int); /* low level support for above */
--- 0.org/include/asm-parisc/system.h Wed Jul 2 00:40:50 2008
+++ 1.fixname/include/asm-parisc/system.h Wed Jul 2 00:46:14 2008
@@ -174,7 +174,7 @@
})
#ifdef CONFIG_SMP
-# define __lock_aligned __attribute__((__section__(".data.lock_aligned")))
+# define __lock_aligned __attribute__((__section__(".lock_aligned.data")))
#endif
#define arch_align_stack(x) (x)
next reply other threads:[~2008-07-02 0:39 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-02 0:39 Denys Vlasenko [this message]
2008-07-01 23:41 ` [PATCH 14/23] make section names compatible with -ffunction-sections -fdata-sections: parisc James Bottomley
2008-07-02 0:00 ` Denys Vlasenko
2008-07-02 1:23 ` James Bottomley
2008-07-02 8:41 ` David Woodhouse
2008-07-02 14:55 ` Adrian Bunk
2008-07-02 14:57 ` David Woodhouse
2008-07-02 15:06 ` Adrian Bunk
2008-07-06 15:46 ` Denys Vlasenko
2008-07-06 16:19 ` James Bottomley
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=200807020239.11410.vda.linux@googlemail.com \
--to=vda.linux@googlemail.com \
--cc=akpm@linux-foundation.org \
--cc=andi@firstfloor.org \
--cc=davem@davemloft.net \
--cc=dhowells@redhat.com \
--cc=dwmw2@infradead.org \
--cc=jwboyer@linux.vnet.ibm.com \
--cc=kernel@wantstofly.org \
--cc=linux-arch@vger.kernel.org \
--cc=linux-embedded@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=paul.gortmaker@windriver.com \
--cc=paulus@samba.org \
--cc=ralf@linux-mips.org \
--cc=rmk@arm.linux.org.uk \
--cc=schwidefsky@de.ibm.com \
--cc=tim.bird@am.sony.com \
--cc=torvalds@linux-foundation.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).