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Diffstat (limited to 'arch/arm64/kernel/vmlinux.lds.S')
-rw-r--r--arch/arm64/kernel/vmlinux.lds.S68
1 files changed, 47 insertions, 21 deletions
diff --git a/arch/arm64/kernel/vmlinux.lds.S b/arch/arm64/kernel/vmlinux.lds.S
index 71426a78db12..623532f44323 100644
--- a/arch/arm64/kernel/vmlinux.lds.S
+++ b/arch/arm64/kernel/vmlinux.lds.S
@@ -46,6 +46,16 @@ jiffies = jiffies_64;
*(.idmap.text) \
VMLINUX_SYMBOL(__idmap_text_end) = .;
+#ifdef CONFIG_HIBERNATION
+#define HIBERNATE_TEXT \
+ . = ALIGN(SZ_4K); \
+ VMLINUX_SYMBOL(__hibernate_exit_text_start) = .;\
+ *(.hibernate_exit.text) \
+ VMLINUX_SYMBOL(__hibernate_exit_text_end) = .;
+#else
+#define HIBERNATE_TEXT
+#endif
+
/*
* The size of the PE/COFF section that covers the kernel image, which
* runs from stext to _edata, must be a round multiple of the PE/COFF
@@ -63,14 +73,19 @@ PECOFF_FILE_ALIGNMENT = 0x200;
#endif
#if defined(CONFIG_DEBUG_ALIGN_RODATA)
-#define ALIGN_DEBUG_RO . = ALIGN(1<<SECTION_SHIFT);
-#define ALIGN_DEBUG_RO_MIN(min) ALIGN_DEBUG_RO
-#elif defined(CONFIG_DEBUG_RODATA)
-#define ALIGN_DEBUG_RO . = ALIGN(1<<PAGE_SHIFT);
-#define ALIGN_DEBUG_RO_MIN(min) ALIGN_DEBUG_RO
+/*
+ * 4 KB granule: 1 level 2 entry
+ * 16 KB granule: 128 level 3 entries, with contiguous bit
+ * 64 KB granule: 32 level 3 entries, with contiguous bit
+ */
+#define SEGMENT_ALIGN SZ_2M
#else
-#define ALIGN_DEBUG_RO
-#define ALIGN_DEBUG_RO_MIN(min) . = ALIGN(min);
+/*
+ * 4 KB granule: 16 level 3 entries, with contiguous bit
+ * 16 KB granule: 4 level 3 entries, without contiguous bit
+ * 64 KB granule: 1 level 3 entry
+ */
+#define SEGMENT_ALIGN SZ_64K
#endif
SECTIONS
@@ -87,40 +102,43 @@ SECTIONS
EXIT_CALL
*(.discard)
*(.discard.*)
+ *(.interp .dynamic)
+ *(.dynsym .dynstr .hash)
}
- . = PAGE_OFFSET + TEXT_OFFSET;
+ . = KIMAGE_VADDR + TEXT_OFFSET;
.head.text : {
_text = .;
HEAD_TEXT
}
- ALIGN_DEBUG_RO
.text : { /* Real text segment */
_stext = .; /* Text and read-only data */
__exception_text_start = .;
*(.exception.text)
__exception_text_end = .;
IRQENTRY_TEXT
+ ENTRY_TEXT
TEXT_TEXT
SCHED_TEXT
LOCK_TEXT
+ KPROBES_TEXT
HYPERVISOR_TEXT
IDMAP_TEXT
+ HIBERNATE_TEXT
*(.fixup)
*(.gnu.warning)
. = ALIGN(16);
*(.got) /* Global offset table */
}
- ALIGN_DEBUG_RO
- RO_DATA(PAGE_SIZE)
- EXCEPTION_TABLE(8)
+ . = ALIGN(SEGMENT_ALIGN);
+ RO_DATA(PAGE_SIZE) /* everything from this point to */
+ EXCEPTION_TABLE(8) /* _etext will be marked RO NX */
NOTES
- ALIGN_DEBUG_RO
- _etext = .; /* End of text and rodata section */
- ALIGN_DEBUG_RO_MIN(PAGE_SIZE)
+ . = ALIGN(SEGMENT_ALIGN);
+ _etext = .; /* End of text and rodata section */
__init_begin = .;
INIT_TEXT_SECTION(8)
@@ -128,7 +146,6 @@ SECTIONS
ARM_EXIT_KEEP(EXIT_TEXT)
}
- ALIGN_DEBUG_RO_MIN(16)
.init.data : {
INIT_DATA
INIT_SETUP(16)
@@ -143,9 +160,6 @@ SECTIONS
PERCPU_SECTION(L1_CACHE_BYTES)
- . = ALIGN(PAGE_SIZE);
- __init_end = .;
-
. = ALIGN(4);
.altinstructions : {
__alt_instructions = .;
@@ -155,8 +169,16 @@ SECTIONS
.altinstr_replacement : {
*(.altinstr_replacement)
}
+ .rela : ALIGN(8) {
+ *(.rela .rela*)
+ }
+
+ __rela_offset = ABSOLUTE(ADDR(.rela) - KIMAGE_VADDR);
+ __rela_size = SIZEOF(.rela);
+
+ . = ALIGN(SEGMENT_ALIGN);
+ __init_end = .;
- . = ALIGN(PAGE_SIZE);
_data = .;
_sdata = .;
RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
@@ -186,8 +208,12 @@ ASSERT(__hyp_idmap_text_end - (__hyp_idmap_text_start & ~(SZ_4K - 1)) <= SZ_4K,
"HYP init code too big or misaligned")
ASSERT(__idmap_text_end - (__idmap_text_start & ~(SZ_4K - 1)) <= SZ_4K,
"ID map text too big or misaligned")
+#ifdef CONFIG_HIBERNATION
+ASSERT(__hibernate_exit_text_end - (__hibernate_exit_text_start & ~(SZ_4K - 1))
+ <= SZ_4K, "Hibernate exit text too big or misaligned")
+#endif
/*
* If padding is applied before .head.text, virt<->phys conversions will fail.
*/
-ASSERT(_text == (PAGE_OFFSET + TEXT_OFFSET), "HEAD is misaligned")
+ASSERT(_text == (KIMAGE_VADDR + TEXT_OFFSET), "HEAD is misaligned")