mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-23 02:51:47 +00:00
414cefc798
Taking the address delta between symbols in different sections is not supported by the LLVM IAS. Instead, do this in the linker script, so the same data can be properly referenced in assembly. Signed-off-by: WANG Rui <wangrui@loongson.cn> Signed-off-by: WANG Xuerui <git@xen0n.name> [chenhuacai: Fix build with !CONFIG_EFI_STUB] Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
164 lines
2.9 KiB
ArmAsm
164 lines
2.9 KiB
ArmAsm
/* SPDX-License-Identifier: GPL-2.0 */
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#include <linux/sizes.h>
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#include <asm/asm-offsets.h>
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#include <asm/thread_info.h>
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#define PAGE_SIZE _PAGE_SIZE
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#define RO_EXCEPTION_TABLE_ALIGN 4
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/*
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* Put .bss..swapper_pg_dir as the first thing in .bss. This will
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* ensure that it has .bss alignment (64K).
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*/
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#define BSS_FIRST_SECTIONS *(.bss..swapper_pg_dir)
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#include <asm-generic/vmlinux.lds.h>
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#include "image-vars.h"
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/*
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* Max avaliable Page Size is 64K, so we set SectionAlignment
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* field of EFI application to 64K.
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*/
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PECOFF_FILE_ALIGN = 0x200;
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PECOFF_SEGMENT_ALIGN = 0x10000;
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OUTPUT_ARCH(loongarch)
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ENTRY(kernel_entry)
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PHDRS {
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text PT_LOAD FLAGS(7); /* RWX */
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note PT_NOTE FLAGS(4); /* R__ */
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}
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jiffies = jiffies_64;
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SECTIONS
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{
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. = VMLINUX_LOAD_ADDRESS;
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_text = .;
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HEAD_TEXT_SECTION
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. = ALIGN(PECOFF_SEGMENT_ALIGN);
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_stext = .;
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.text : {
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TEXT_TEXT
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SCHED_TEXT
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LOCK_TEXT
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KPROBES_TEXT
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IRQENTRY_TEXT
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SOFTIRQENTRY_TEXT
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*(.fixup)
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*(.gnu.warning)
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} :text = 0
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. = ALIGN(PECOFF_SEGMENT_ALIGN);
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_etext = .;
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/*
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* struct alt_inst entries. From the header (alternative.h):
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* "Alternative instructions for different CPU types or capabilities"
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* Think locking instructions on spinlocks.
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*/
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. = ALIGN(4);
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.altinstructions : AT(ADDR(.altinstructions) - LOAD_OFFSET) {
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__alt_instructions = .;
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*(.altinstructions)
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__alt_instructions_end = .;
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}
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#ifdef CONFIG_RELOCATABLE
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. = ALIGN(8);
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.la_abs : AT(ADDR(.la_abs) - LOAD_OFFSET) {
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__la_abs_begin = .;
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*(.la_abs)
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__la_abs_end = .;
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}
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#endif
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.got : ALIGN(16) { *(.got) }
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.plt : ALIGN(16) { *(.plt) }
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.got.plt : ALIGN(16) { *(.got.plt) }
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.data.rel : { *(.data.rel*) }
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. = ALIGN(PECOFF_SEGMENT_ALIGN);
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__init_begin = .;
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__inittext_begin = .;
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INIT_TEXT_SECTION(PAGE_SIZE)
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.exit.text : {
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EXIT_TEXT
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}
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. = ALIGN(PECOFF_SEGMENT_ALIGN);
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__inittext_end = .;
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__initdata_begin = .;
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INIT_DATA_SECTION(16)
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.exit.data : {
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EXIT_DATA
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}
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#ifdef CONFIG_SMP
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PERCPU_SECTION(1 << CONFIG_L1_CACHE_SHIFT)
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#endif
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.init.bss : {
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*(.init.bss)
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}
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. = ALIGN(PECOFF_SEGMENT_ALIGN);
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__initdata_end = .;
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__init_end = .;
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_sdata = .;
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RO_DATA(4096)
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RW_DATA(1 << CONFIG_L1_CACHE_SHIFT, PAGE_SIZE, THREAD_SIZE)
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.rela.dyn : ALIGN(8) {
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__rela_dyn_begin = .;
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*(.rela.dyn) *(.rela*)
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__rela_dyn_end = .;
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}
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.sdata : {
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*(.sdata)
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}
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.edata_padding : { BYTE(0); . = ALIGN(PECOFF_FILE_ALIGN); }
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_edata = .;
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BSS_SECTION(0, SZ_64K, 8)
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. = ALIGN(PECOFF_SEGMENT_ALIGN);
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_end = .;
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STABS_DEBUG
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DWARF_DEBUG
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ELF_DETAILS
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#ifdef CONFIG_EFI_STUB
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/* header symbols */
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_kernel_asize = _end - _text;
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_kernel_fsize = _edata - _text;
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_kernel_vsize = _end - __initdata_begin;
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_kernel_rsize = _edata - __initdata_begin;
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_kernel_offset = kernel_offset - _text;
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#endif
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.gptab.sdata : {
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*(.gptab.data)
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*(.gptab.sdata)
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}
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.gptab.sbss : {
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*(.gptab.bss)
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*(.gptab.sbss)
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}
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DISCARDS
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/DISCARD/ : {
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*(.dynamic .dynsym .dynstr .hash .gnu.hash)
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*(.gnu.attributes)
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*(.options)
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*(.eh_frame)
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}
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}
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