linux-kernel - [PATCH 19/23] make section names compatible with -ffunction-sections -fdata-sections: sparc

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Date:	Wed, 2 Jul 2008 02:41:35 +0200
From:	Denys Vlasenko <vda.linux@...glemail.com>
To:	linux-arch@...r.kernel.org
Cc:	Russell King <rmk@....linux.org.uk>,
	David Howells <dhowells@...hat.com>,
	Ralf Baechle <ralf@...ux-mips.org>,
	Lennert Buytenhek <kernel@...tstofly.org>,
	Josh Boyer <jwboyer@...ux.vnet.ibm.com>,
	Paul Mackerras <paulus@...ba.org>,
	David Woodhouse <dwmw2@...radead.org>,
	Andi Kleen <andi@...stfloor.org>,
	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	Paul Gortmaker <paul.gortmaker@...driver.com>,
	linux-embedded@...r.kernel.org, linux-kernel@...r.kernel.org,
	Tim Bird <tim.bird@...sony.com>,
	Martin Schwidefsky <schwidefsky@...ibm.com>,
	Dave Miller <davem@...emloft.net>
Subject: [PATCH 19/23] make section names compatible with -ffunction-sections -fdata-sections: sparc

The purpose of this patch is to make kernel buildable
with "gcc -ffunction-sections -fdata-sections".
This patch fixes sparc architecture.

Signed-off-by: Denys Vlasenko <vda.linux@...glemail.com>
--
vda


--- 0.org/arch/sparc/boot/btfixupprep.c	Wed Jul  2 00:40:42 2008
+++ 1.fixname/arch/sparc/boot/btfixupprep.c	Wed Jul  2 00:45:57 2008
@@ -171,7 +171,7 @@
 			}
 		} else if (buffer[nbase+4] != '_')
 			continue;
-		if (!strcmp (sect, ".text.exit"))
+		if (!strcmp (sect, ".exit.text"))
 			continue;
 		if (strcmp (sect, ".text") &&
 		    strcmp (sect, ".init.text") &&
@@ -325,7 +325,7 @@
 		(*rr)->next = NULL;
 	}
 	printf("! Generated by btfixupprep. Do not edit.\n\n");
-	printf("\t.section\t\".data.init\",#alloc,#write\n\t.align\t4\n\n");
+	printf("\t.section\t\".init.data\",#alloc,#write\n\t.align\t4\n\n");
 	printf("\t.global\t___btfixup_start\n___btfixup_start:\n\n");
 	for (i = 0; i < last; i++) {
 		f = array + i;
--- 0.org/arch/sparc/kernel/head.S	Wed Jul  2 00:40:42 2008
+++ 1.fixname/arch/sparc/kernel/head.S	Wed Jul  2 00:44:28 2008
@@ -742,7 +742,7 @@
 		 nop
 
 /* The code above should be at beginning and we have to take care about
- * short jumps, as branching to .text.init section from .text is usually
+ * short jumps, as branching to .init.text section from .text is usually
  * impossible */
 		__INIT
 /* Acquire boot time privileged register values, this will help debugging.
--- 0.org/arch/sparc/kernel/vmlinux.lds.S	Wed Jul  2 00:40:42 2008
+++ 1.fixname/arch/sparc/kernel/vmlinux.lds.S	Wed Jul  2 00:45:51 2008
@@ -86,12 +86,12 @@
 	. = ALIGN(PAGE_SIZE);
 	__init_end = .;
 	. = ALIGN(32);
-	.data.cacheline_aligned : {
-		*(.data.cacheline_aligned)
+	.cacheline_aligned.data : {
+		*(.cacheline_aligned.data)
 	}
 	. = ALIGN(32);
-	.data.read_mostly : {
-		*(.data.read_mostly)
+	.read_mostly.data : {
+		*(.read_mostly.data)
 	}
 
 	__bss_start = .;
--- 0.org/arch/sparc64/kernel/head.S	Wed Jul  2 00:40:42 2008
+++ 1.fixname/arch/sparc64/kernel/head.S	Wed Jul  2 00:44:28 2008
@@ -466,7 +466,7 @@
 	jmpl    %g2 + %g0, %g0
 	 nop
 
-	.section	.text.init.refok
+	.section	.init.refok.text
 sun4u_init:
 	BRANCH_IF_SUN4V(g1, sun4v_init)
 
--- 0.org/arch/sparc64/kernel/vmlinux.lds.S	Wed Jul  2 00:40:42 2008
+++ 1.fixname/arch/sparc64/kernel/vmlinux.lds.S	Wed Jul  2 00:45:51 2008
@@ -32,12 +32,12 @@
 		*(.data1)
 	}
 	. = ALIGN(64);
-	.data.cacheline_aligned : {
-		*(.data.cacheline_aligned)
+	.cacheline_aligned.data : {
+		*(.cacheline_aligned.data)
 	}
 	. = ALIGN(64);
-	.data.read_mostly : {
-		*(.data.read_mostly)
+	.read_mostly.data : {
+		*(.read_mostly.data)
 	}
 	_edata = .;
 	PROVIDE (edata = .);
--- 0.org/include/asm-sparc/cache.h	Wed Jul  2 00:40:51 2008
+++ 1.fixname/include/asm-sparc/cache.h	Wed Jul  2 00:45:45 2008
@@ -19,7 +19,7 @@
 
 #define SMP_CACHE_BYTES (1 << SMP_CACHE_BYTES_SHIFT)
 
-#define __read_mostly __attribute__((__section__(".data.read_mostly")))
+#define __read_mostly __attribute__((__section__(".read_mostly.data")))
 
 #ifdef CONFIG_SPARC32
 #include <asm/asi.h>
--
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