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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /arch/arm/kernel/vmlinux.lds.S
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/kernel/vmlinux.lds.S')
-rw-r--r--arch/arm/kernel/vmlinux.lds.S180
1 files changed, 180 insertions, 0 deletions
diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S
new file mode 100644
index 0000000000..bd9127c4b4
--- /dev/null
+++ b/arch/arm/kernel/vmlinux.lds.S
@@ -0,0 +1,180 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* ld script to make ARM Linux kernel
+ * taken from the i386 version by Russell King
+ * Written by Martin Mares <mj@atrey.karlin.mff.cuni.cz>
+ */
+
+#ifdef CONFIG_XIP_KERNEL
+#include "vmlinux-xip.lds.S"
+#else
+
+#include <linux/pgtable.h>
+#include <asm/vmlinux.lds.h>
+#include <asm/cache.h>
+#include <asm/thread_info.h>
+#include <asm/page.h>
+#include <asm/mpu.h>
+
+OUTPUT_ARCH(arm)
+ENTRY(stext)
+
+#ifndef __ARMEB__
+jiffies = jiffies_64;
+#else
+jiffies = jiffies_64 + 4;
+#endif
+
+SECTIONS
+{
+ /*
+ * XXX: The linker does not define how output sections are
+ * assigned to input sections when there are multiple statements
+ * matching the same input section name. There is no documented
+ * order of matching.
+ *
+ * unwind exit sections must be discarded before the rest of the
+ * unwind sections get included.
+ */
+ /DISCARD/ : {
+ ARM_DISCARD
+#ifndef CONFIG_SMP_ON_UP
+ *(.alt.smp.init)
+#endif
+#ifndef CONFIG_ARM_UNWIND
+ *(.ARM.exidx) *(.ARM.exidx.*)
+ *(.ARM.extab) *(.ARM.extab.*)
+#endif
+ }
+
+ . = KERNEL_OFFSET + TEXT_OFFSET;
+ .head.text : {
+ _text = .;
+ HEAD_TEXT
+ }
+
+#ifdef CONFIG_STRICT_KERNEL_RWX
+ . = ALIGN(1<<SECTION_SHIFT);
+#endif
+
+#ifdef CONFIG_ARM_MPU
+ . = ALIGN(PMSAv8_MINALIGN);
+#endif
+ .text : { /* Real text segment */
+ _stext = .; /* Text and read-only data */
+ ARM_TEXT
+ }
+
+#ifdef CONFIG_DEBUG_ALIGN_RODATA
+ . = ALIGN(1<<SECTION_SHIFT);
+#endif
+ _etext = .; /* End of text section */
+
+ RO_DATA(PAGE_SIZE)
+
+ . = ALIGN(4);
+ __ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) {
+ __start___ex_table = .;
+ ARM_MMU_KEEP(*(__ex_table))
+ __stop___ex_table = .;
+ }
+
+#ifdef CONFIG_ARM_UNWIND
+ ARM_UNWIND_SECTIONS
+#endif
+
+#ifdef CONFIG_STRICT_KERNEL_RWX
+ . = ALIGN(1<<SECTION_SHIFT);
+#else
+ . = ALIGN(PAGE_SIZE);
+#endif
+ __init_begin = .;
+
+ ARM_VECTORS
+ INIT_TEXT_SECTION(8)
+ .exit.text : {
+ ARM_EXIT_KEEP(EXIT_TEXT)
+ }
+ .init.proc.info : {
+ ARM_CPU_DISCARD(PROC_INFO)
+ }
+ .init.arch.info : {
+ __arch_info_begin = .;
+ *(.arch.info.init)
+ __arch_info_end = .;
+ }
+ .init.tagtable : {
+ __tagtable_begin = .;
+ *(.taglist.init)
+ __tagtable_end = .;
+ }
+#ifdef CONFIG_SMP_ON_UP
+ .init.smpalt : {
+ __smpalt_begin = .;
+ *(.alt.smp.init)
+ __smpalt_end = .;
+ }
+#endif
+ .init.pv_table : {
+ __pv_table_begin = .;
+ *(.pv_table)
+ __pv_table_end = .;
+ }
+
+ INIT_DATA_SECTION(16)
+
+ .exit.data : {
+ ARM_EXIT_KEEP(EXIT_DATA)
+ }
+
+#ifdef CONFIG_SMP
+ PERCPU_SECTION(L1_CACHE_BYTES)
+#endif
+
+#ifdef CONFIG_HAVE_TCM
+ ARM_TCM
+#endif
+
+#ifdef CONFIG_STRICT_KERNEL_RWX
+ . = ALIGN(1<<SECTION_SHIFT);
+#else
+ . = ALIGN(THREAD_ALIGN);
+#endif
+ __init_end = .;
+
+ _sdata = .;
+ RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_ALIGN)
+ _edata = .;
+
+ BSS_SECTION(0, 0, 0)
+#ifdef CONFIG_ARM_MPU
+ . = ALIGN(PMSAv8_MINALIGN);
+#endif
+ _end = .;
+
+ STABS_DEBUG
+ DWARF_DEBUG
+ ARM_DETAILS
+
+ ARM_ASSERTS
+}
+
+#ifdef CONFIG_STRICT_KERNEL_RWX
+/*
+ * Without CONFIG_DEBUG_ALIGN_RODATA, __start_rodata_section_aligned will
+ * be the first section-aligned location after __start_rodata. Otherwise,
+ * it will be equal to __start_rodata.
+ */
+__start_rodata_section_aligned = ALIGN(__start_rodata, 1 << SECTION_SHIFT);
+#endif
+
+/*
+ * These must never be empty
+ * If you have to comment these two assert statements out, your
+ * binutils is too old (for other reasons as well)
+ */
+ASSERT((__proc_info_end - __proc_info_begin), "missing CPU support")
+#ifndef CONFIG_COMPILE_TEST
+ASSERT((__arch_info_end - __arch_info_begin), "no machine record defined")
+#endif
+
+#endif /* CONFIG_XIP_KERNEL */