linux-kernel - [PATCH 20/23] make section names compatible with -ffunction-sections -fdata-sections: um

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Message-Id: <200807020241.58201.vda.linux@googlemail.com>
Date:	Wed, 2 Jul 2008 02:41:58 +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 20/23] make section names compatible with -ffunction-sections -fdata-sections: um

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

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


--- 0.org/arch/um/kernel/dyn.lds.S	Wed Jul  2 00:40:42 2008
+++ 1.fixname/arch/um/kernel/dyn.lds.S	Wed Jul  2 00:45:57 2008
@@ -97,9 +97,9 @@
   .fini_array     : { *(.fini_array) }
   .data           : {
     . = ALIGN(KERNEL_STACK_SIZE);		/* init_task */
-    *(.data.init_task)
+    *(.init_task.data)
     . = ALIGN(KERNEL_STACK_SIZE);
-    *(.data.init_irqstack)
+    *(.init_irqstack.data)
     DATA_DATA
     *(.data.* .gnu.linkonce.d.*)
     SORT(CONSTRUCTORS)
--- 0.org/arch/um/kernel/init_task.c	Wed Jul  2 00:40:42 2008
+++ 1.fixname/arch/um/kernel/init_task.c	Wed Jul  2 00:45:57 2008
@@ -35,9 +35,9 @@
  */
 
 union thread_union init_thread_union
-	__attribute__((__section__(".data.init_task"))) =
+	__attribute__((__section__(".init_task.data"))) =
 		{ INIT_THREAD_INFO(init_task) };
 
 union thread_union cpu0_irqstack
-	__attribute__((__section__(".data.init_irqstack"))) =
+	__attribute__((__section__(".init_irqstack.data"))) =
 		{ INIT_THREAD_INFO(init_task) };
--- 0.org/arch/um/kernel/uml.lds.S	Wed Jul  2 00:40:42 2008
+++ 1.fixname/arch/um/kernel/uml.lds.S	Wed Jul  2 00:45:57 2008
@@ -53,9 +53,9 @@
   .data    :
   {
     . = ALIGN(KERNEL_STACK_SIZE);		/* init_task */
-    *(.data.init_task)
+    *(.init_task.data)
     . = ALIGN(KERNEL_STACK_SIZE);
-    *(.data.init_irqstack)
+    *(.init_irqstack.data)
     DATA_DATA
     *(.gnu.linkonce.d*)
     CONSTRUCTORS
--- 0.org/include/asm-um/common.lds.S	Wed Jul  2 00:40:51 2008
+++ 1.fixname/include/asm-um/common.lds.S	Wed Jul  2 00:45:39 2008
@@ -49,9 +49,9 @@
   }
 
   . = ALIGN(32);
-  .data.percpu : {
+  .percpu.data : {
 	__per_cpu_start = . ;
-	*(.data.percpu)
+	*(.percpu.data)
 	__per_cpu_end = . ;
   }
 	
--
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