* [PATCH 18/23] make section names compatible with -ffunction-sections -fdata-sections: sh
@ 2008-07-02 0:41 Denys Vlasenko
0 siblings, 0 replies; only message in thread
From: Denys Vlasenko @ 2008-07-02 0:41 UTC (permalink / raw)
To: linux-arch
Cc: Russell King, David Howells, Ralf Baechle, Lennert Buytenhek,
Josh Boyer, Paul Mackerras, David Woodhouse, Andi Kleen, torvalds,
akpm, Paul Gortmaker, linux-embedded, linux-kernel, Tim Bird,
Martin Schwidefsky, Dave Miller
The purpose of this patch is to make kernel buildable
with "gcc -ffunction-sections -fdata-sections".
This patch fixes sh architecture.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
--
vda
--- 0.org/arch/sh/kernel/cpu/sh5/entry.S Wed Jul 2 00:40:42 2008
+++ 1.fixname/arch/sh/kernel/cpu/sh5/entry.S Wed Jul 2 00:44:28 2008
@@ -2063,10 +2063,10 @@
/*
- * --- .text.init Section
+ * --- .init.text Section
*/
- .section .text.init, "ax"
+ .section .init.text, "ax"
/*
* void trap_init (void)
--- 0.org/arch/sh/kernel/head_32.S Wed Jul 2 00:40:42 2008
+++ 1.fixname/arch/sh/kernel/head_32.S Wed Jul 2 00:44:22 2008
@@ -40,7 +40,7 @@
1:
.skip PAGE_SIZE - empty_zero_page - 1b
- .section .text.head, "ax"
+ .section .head.text, "ax"
/*
* Condition at the entry of _stext:
--- 0.org/arch/sh/kernel/head_64.S Wed Jul 2 00:40:42 2008
+++ 1.fixname/arch/sh/kernel/head_64.S Wed Jul 2 00:44:22 2008
@@ -110,7 +110,7 @@
fpu_in_use: .quad 0
- .section .text.head, "ax"
+ .section .head.text, "ax"
.balign L1_CACHE_BYTES
/*
* Condition at the entry of __stext:
--- 0.org/arch/sh/kernel/init_task.c Wed Jul 2 00:40:42 2008
+++ 1.fixname/arch/sh/kernel/init_task.c Wed Jul 2 00:45:57 2008
@@ -22,7 +22,7 @@
* "init_task" linker map entry..
*/
union thread_union init_thread_union
- __attribute__((__section__(".data.init_task"))) =
+ __attribute__((__section__(".init_task.data"))) =
{ INIT_THREAD_INFO(init_task) };
/*
--- 0.org/arch/sh/kernel/irq.c Wed Jul 2 00:40:42 2008
+++ 1.fixname/arch/sh/kernel/irq.c Wed Jul 2 00:47:00 2008
@@ -158,10 +158,10 @@
#ifdef CONFIG_IRQSTACKS
static char softirq_stack[NR_CPUS * THREAD_SIZE]
- __attribute__((__section__(".bss.page_aligned")));
+ __attribute__((__section__(".bss.k.page_aligned")));
static char hardirq_stack[NR_CPUS * THREAD_SIZE]
- __attribute__((__section__(".bss.page_aligned")));
+ __attribute__((__section__(".bss.k.page_aligned")));
/*
* allocate per-cpu stacks for hardirq and for softirq processing
--- 0.org/arch/sh/kernel/vmlinux_32.lds.S Wed Jul 2 00:40:42 2008
+++ 1.fixname/arch/sh/kernel/vmlinux_32.lds.S Wed Jul 2 00:47:00 2008
@@ -28,7 +28,7 @@
} = 0
.text : {
- *(.text.head)
+ *(.head.text)
TEXT_TEXT
SCHED_TEXT
LOCK_TEXT
@@ -59,19 +59,19 @@
. = ALIGN(THREAD_SIZE);
.data : { /* Data */
- *(.data.init_task)
+ *(.init_task.data)
. = ALIGN(L1_CACHE_BYTES);
- *(.data.cacheline_aligned)
+ *(.cacheline_aligned.data)
. = ALIGN(L1_CACHE_BYTES);
- *(.data.read_mostly)
+ *(.read_mostly.data)
. = ALIGN(PAGE_SIZE);
- *(.data.page_aligned)
+ *(.page_aligned.data)
__nosave_begin = .;
- *(.data.nosave)
+ *(.nosave.data)
. = ALIGN(PAGE_SIZE);
__nosave_end = .;
@@ -129,7 +129,7 @@
.bss : {
__init_end = .;
__bss_start = .; /* BSS */
- *(.bss.page_aligned)
+ *(.bss.k.page_aligned)
*(.bss)
*(COMMON)
. = ALIGN(4);
--- 0.org/arch/sh/kernel/vmlinux_64.lds.S Wed Jul 2 00:40:42 2008
+++ 1.fixname/arch/sh/kernel/vmlinux_64.lds.S Wed Jul 2 00:47:00 2008
@@ -42,7 +42,7 @@
} = 0
.text : C_PHYS(.text) {
- *(.text.head)
+ *(.head.text)
TEXT_TEXT
*(.text64)
*(.text..SHmedia32)
@@ -71,19 +71,19 @@
. = ALIGN(THREAD_SIZE);
.data : C_PHYS(.data) { /* Data */
- *(.data.init_task)
+ *(.init_task.data)
. = ALIGN(L1_CACHE_BYTES);
- *(.data.cacheline_aligned)
+ *(.cacheline_aligned.data)
. = ALIGN(L1_CACHE_BYTES);
- *(.data.read_mostly)
+ *(.read_mostly.data)
. = ALIGN(PAGE_SIZE);
- *(.data.page_aligned)
+ *(.page_aligned.data)
__nosave_begin = .;
- *(.data.nosave)
+ *(.nosave.data)
. = ALIGN(PAGE_SIZE);
__nosave_end = .;
@@ -141,7 +141,7 @@
.bss : C_PHYS(.bss) {
__init_end = .;
__bss_start = .; /* BSS */
- *(.bss.page_aligned)
+ *(.bss.k.page_aligned)
*(.bss)
*(COMMON)
. = ALIGN(4);
--- 0.org/include/asm-sh/cache.h Wed Jul 2 00:40:50 2008
+++ 1.fixname/include/asm-sh/cache.h Wed Jul 2 00:45:45 2008
@@ -14,7 +14,7 @@
#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
-#define __read_mostly __attribute__((__section__(".data.read_mostly")))
+#define __read_mostly __attribute__((__section__(".read_mostly.data")))
#ifndef __ASSEMBLY__
struct cache_info {
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