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authorNicolas Pitre <nicolas.pitre@linaro.org>2018-02-27 22:39:27 -0500
committerNicolas Pitre <nicolas.pitre@linaro.org>2018-03-09 20:19:01 -0500
commit2f181e0ba8db654cf9e1b6abe454aebca9587448 (patch)
tree16d86241f1e85cdc5d5ca8e723f6cdbc7d8ddc65
parent91ab883eb21325ad80f3473633f794c78ac87f51 (diff)
ARM: linker script: factor out some common definitions between XIP and non-XIP
Lots of duplications between vmlinux.lds.S and vmlinux-xip.lds.S. This may lead to one file being updated but not the other. For example, SOFTIRQENTRY_TEXT and HYPERVISOR_TEXT were missing from the XIP version. This creates vmlinux.lds.h where a bunch of common defines are moved. Signed-off-by: Nicolas Pitre <nico@linaro.org> Tested-by: Chris Brandt <Chris.Brandt@renesas.com>
-rw-r--r--arch/arm/kernel/vmlinux-xip.lds.S35
-rw-r--r--arch/arm/kernel/vmlinux.lds.S38
-rw-r--r--arch/arm/kernel/vmlinux.lds.h40
3 files changed, 44 insertions, 69 deletions
diff --git a/arch/arm/kernel/vmlinux-xip.lds.S b/arch/arm/kernel/vmlinux-xip.lds.S
index 12b87591eb7c..0a8922b61613 100644
--- a/arch/arm/kernel/vmlinux-xip.lds.S
+++ b/arch/arm/kernel/vmlinux-xip.lds.S
@@ -15,38 +15,7 @@
#include <asm/memory.h>
#include <asm/page.h>
-#define PROC_INFO \
- . = ALIGN(4); \
- VMLINUX_SYMBOL(__proc_info_begin) = .; \
- *(.proc.info.init) \
- VMLINUX_SYMBOL(__proc_info_end) = .;
-
-#define IDMAP_TEXT \
- ALIGN_FUNCTION(); \
- VMLINUX_SYMBOL(__idmap_text_start) = .; \
- *(.idmap.text) \
- VMLINUX_SYMBOL(__idmap_text_end) = .; \
- . = ALIGN(PAGE_SIZE); \
- VMLINUX_SYMBOL(__hyp_idmap_text_start) = .; \
- *(.hyp.idmap.text) \
- VMLINUX_SYMBOL(__hyp_idmap_text_end) = .;
-
-#ifdef CONFIG_HOTPLUG_CPU
-#define ARM_CPU_DISCARD(x)
-#define ARM_CPU_KEEP(x) x
-#else
-#define ARM_CPU_DISCARD(x) x
-#define ARM_CPU_KEEP(x)
-#endif
-
-#if (defined(CONFIG_SMP_ON_UP) && !defined(CONFIG_DEBUG_SPINLOCK)) || \
- defined(CONFIG_GENERIC_BUG)
-#define ARM_EXIT_KEEP(x) x
-#define ARM_EXIT_DISCARD(x)
-#else
-#define ARM_EXIT_KEEP(x)
-#define ARM_EXIT_DISCARD(x) x
-#endif
+#include "vmlinux.lds.h"
OUTPUT_ARCH(arm)
ENTRY(stext)
@@ -100,10 +69,12 @@ SECTIONS
*(.entry.text)
__entry_text_end = .;
IRQENTRY_TEXT
+ SOFTIRQENTRY_TEXT
TEXT_TEXT
SCHED_TEXT
CPUIDLE_TEXT
LOCK_TEXT
+ HYPERVISOR_TEXT
KPROBES_TEXT
*(.gnu.warning)
*(.glue_7)
diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S
index 84a1ae3ce46e..6a6eb483d92c 100644
--- a/arch/arm/kernel/vmlinux.lds.S
+++ b/arch/arm/kernel/vmlinux.lds.S
@@ -15,43 +15,7 @@
#include <asm/page.h>
#include <asm/pgtable.h>
-#define PROC_INFO \
- . = ALIGN(4); \
- VMLINUX_SYMBOL(__proc_info_begin) = .; \
- *(.proc.info.init) \
- VMLINUX_SYMBOL(__proc_info_end) = .;
-
-#define HYPERVISOR_TEXT \
- VMLINUX_SYMBOL(__hyp_text_start) = .; \
- *(.hyp.text) \
- VMLINUX_SYMBOL(__hyp_text_end) = .;
-
-#define IDMAP_TEXT \
- ALIGN_FUNCTION(); \
- VMLINUX_SYMBOL(__idmap_text_start) = .; \
- *(.idmap.text) \
- VMLINUX_SYMBOL(__idmap_text_end) = .; \
- . = ALIGN(PAGE_SIZE); \
- VMLINUX_SYMBOL(__hyp_idmap_text_start) = .; \
- *(.hyp.idmap.text) \
- VMLINUX_SYMBOL(__hyp_idmap_text_end) = .;
-
-#ifdef CONFIG_HOTPLUG_CPU
-#define ARM_CPU_DISCARD(x)
-#define ARM_CPU_KEEP(x) x
-#else
-#define ARM_CPU_DISCARD(x) x
-#define ARM_CPU_KEEP(x)
-#endif
-
-#if (defined(CONFIG_SMP_ON_UP) && !defined(CONFIG_DEBUG_SPINLOCK)) || \
- defined(CONFIG_GENERIC_BUG) || defined(CONFIG_JUMP_LABEL)
-#define ARM_EXIT_KEEP(x) x
-#define ARM_EXIT_DISCARD(x)
-#else
-#define ARM_EXIT_KEEP(x)
-#define ARM_EXIT_DISCARD(x) x
-#endif
+#include "vmlinux.lds.h"
OUTPUT_ARCH(arm)
ENTRY(stext)
diff --git a/arch/arm/kernel/vmlinux.lds.h b/arch/arm/kernel/vmlinux.lds.h
new file mode 100644
index 000000000000..0a86e8a1119e
--- /dev/null
+++ b/arch/arm/kernel/vmlinux.lds.h
@@ -0,0 +1,40 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifdef CONFIG_HOTPLUG_CPU
+#define ARM_CPU_DISCARD(x)
+#define ARM_CPU_KEEP(x) x
+#else
+#define ARM_CPU_DISCARD(x) x
+#define ARM_CPU_KEEP(x)
+#endif
+
+#if (defined(CONFIG_SMP_ON_UP) && !defined(CONFIG_DEBUG_SPINLOCK)) || \
+ defined(CONFIG_GENERIC_BUG) || defined(CONFIG_JUMP_LABEL)
+#define ARM_EXIT_KEEP(x) x
+#define ARM_EXIT_DISCARD(x)
+#else
+#define ARM_EXIT_KEEP(x)
+#define ARM_EXIT_DISCARD(x) x
+#endif
+
+#define PROC_INFO \
+ . = ALIGN(4); \
+ VMLINUX_SYMBOL(__proc_info_begin) = .; \
+ *(.proc.info.init) \
+ VMLINUX_SYMBOL(__proc_info_end) = .;
+
+#define HYPERVISOR_TEXT \
+ VMLINUX_SYMBOL(__hyp_text_start) = .; \
+ *(.hyp.text) \
+ VMLINUX_SYMBOL(__hyp_text_end) = .;
+
+#define IDMAP_TEXT \
+ ALIGN_FUNCTION(); \
+ VMLINUX_SYMBOL(__idmap_text_start) = .; \
+ *(.idmap.text) \
+ VMLINUX_SYMBOL(__idmap_text_end) = .; \
+ . = ALIGN(PAGE_SIZE); \
+ VMLINUX_SYMBOL(__hyp_idmap_text_start) = .; \
+ *(.hyp.idmap.text) \
+ VMLINUX_SYMBOL(__hyp_idmap_text_end) = .;
+