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-rw-r--r--arch/arm/kernel/vmlinux.lds.S15
1 files changed, 12 insertions, 3 deletions
diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S
index bf977f8514f..4e66f62b8d4 100644
--- a/arch/arm/kernel/vmlinux.lds.S
+++ b/arch/arm/kernel/vmlinux.lds.S
@@ -23,8 +23,10 @@
23 23
24#if defined(CONFIG_SMP_ON_UP) && !defined(CONFIG_DEBUG_SPINLOCK) 24#if defined(CONFIG_SMP_ON_UP) && !defined(CONFIG_DEBUG_SPINLOCK)
25#define ARM_EXIT_KEEP(x) x 25#define ARM_EXIT_KEEP(x) x
26#define ARM_EXIT_DISCARD(x)
26#else 27#else
27#define ARM_EXIT_KEEP(x) 28#define ARM_EXIT_KEEP(x)
29#define ARM_EXIT_DISCARD(x) x
28#endif 30#endif
29 31
30OUTPUT_ARCH(arm) 32OUTPUT_ARCH(arm)
@@ -39,6 +41,11 @@ jiffies = jiffies_64 + 4;
39SECTIONS 41SECTIONS
40{ 42{
41 /* 43 /*
44 * XXX: The linker does not define how output sections are
45 * assigned to input sections when there are multiple statements
46 * matching the same input section name. There is no documented
47 * order of matching.
48 *
42 * unwind exit sections must be discarded before the rest of the 49 * unwind exit sections must be discarded before the rest of the
43 * unwind sections get included. 50 * unwind sections get included.
44 */ 51 */
@@ -47,6 +54,9 @@ SECTIONS
47 *(.ARM.extab.exit.text) 54 *(.ARM.extab.exit.text)
48 ARM_CPU_DISCARD(*(.ARM.exidx.cpuexit.text)) 55 ARM_CPU_DISCARD(*(.ARM.exidx.cpuexit.text))
49 ARM_CPU_DISCARD(*(.ARM.extab.cpuexit.text)) 56 ARM_CPU_DISCARD(*(.ARM.extab.cpuexit.text))
57 ARM_EXIT_DISCARD(EXIT_TEXT)
58 ARM_EXIT_DISCARD(EXIT_DATA)
59 EXIT_CALL
50#ifndef CONFIG_HOTPLUG 60#ifndef CONFIG_HOTPLUG
51 *(.ARM.exidx.devexit.text) 61 *(.ARM.exidx.devexit.text)
52 *(.ARM.extab.devexit.text) 62 *(.ARM.extab.devexit.text)
@@ -58,6 +68,8 @@ SECTIONS
58#ifndef CONFIG_SMP_ON_UP 68#ifndef CONFIG_SMP_ON_UP
59 *(.alt.smp.init) 69 *(.alt.smp.init)
60#endif 70#endif
71 *(.discard)
72 *(.discard.*)
61 } 73 }
62 74
63#ifdef CONFIG_XIP_KERNEL 75#ifdef CONFIG_XIP_KERNEL
@@ -279,9 +291,6 @@ SECTIONS
279 291
280 STABS_DEBUG 292 STABS_DEBUG
281 .comment 0 : { *(.comment) } 293 .comment 0 : { *(.comment) }
282
283 /* Default discards */
284 DISCARDS
285} 294}
286 295
287/* 296/*