/* SPDX-License-Identifier: GPL-2.0 *//* ld script to make s390 Linux kernel * Written by Martin Schwidefsky (schwidefsky@de.ibm.com) */ #include <asm/thread_info.h>#include <asm/page.h> /* * Put .bss..swapper_pg_dir as the first thing in .bss. This will * make sure it has 16k alignment. */#define BSS_FIRST_SECTIONS *(.bss..swapper_pg_dir) /* Handle ro_after_init data on our own. */#define RO_AFTER_INIT_DATA #define EMITS_PT_NOTE #include <asm-generic/vmlinux.lds.h>#include <asm/vmlinux.lds.h> OUTPUT_FORMAT("elf64-s390", "elf64-s390", "elf64-s390")OUTPUT_ARCH(s390:64-bit)ENTRY(startup_continue)jiffies = jiffies_64; PHDRS { text PT_LOAD FLAGS(5); /* R_E */ data PT_LOAD FLAGS(7); /* RWE */ note PT_NOTE FLAGS(0); /* ___ */} SECTIONS{ . = 0x100000; .text : { _stext = .; /* Start of text section */ _text = .; /* Text and read-only data */ HEAD_TEXT TEXT_TEXT SCHED_TEXT CPUIDLE_TEXT LOCK_TEXT KPROBES_TEXT IRQENTRY_TEXT SOFTIRQENTRY_TEXT *(.text.*_indirect_*) *(.fixup) *(.gnu.warning) . = ALIGN(PAGE_SIZE); _etext = .; /* End of text section */ } :text = 0x0700 RO_DATA(PAGE_SIZE) . = ALIGN(PAGE_SIZE); _sdata = .; /* Start of data section */ . = ALIGN(PAGE_SIZE); __start_ro_after_init = .; .data..ro_after_init : { *(.data..ro_after_init) JUMP_TABLE_DATA } :data EXCEPTION_TABLE(16) . = ALIGN(PAGE_SIZE); __end_ro_after_init = .; RW_DATA(0x100, PAGE_SIZE, THREAD_SIZE) BOOT_DATA_PRESERVED _edata = .; /* End of data section */ /* will be freed after init */ . = ALIGN(PAGE_SIZE); /* Init code and data */ __init_begin = .; . = ALIGN(PAGE_SIZE); .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) { _sinittext = .; INIT_TEXT . = ALIGN(PAGE_SIZE); _einittext = .; } /* * .exit.text is discarded at runtime, not link time, * to deal with references from __bug_table */ .exit.text : { EXIT_TEXT } .exit.data : { EXIT_DATA } /* * struct alt_inst entries. From the header (alternative.h): * "Alternative instructions for different CPU types or capabilities" * Think locking instructions on spinlocks. * Note, that it is a part of __init region. */ . = ALIGN(8); .altinstructions : { __alt_instructions = .; *(.altinstructions) __alt_instructions_end = .; } /* * And here are the replacement instructions. The linker sticks * them as binary blobs. The .altinstructions has enough data to * get the address and the length of them to patch the kernel safely. * Note, that it is a part of __init region. */ .altinstr_replacement : { *(.altinstr_replacement) } /* * Table with the patch locations to undo expolines */ .nospec_call_table : { __nospec_call_start = . ; *(.s390_indirect*) __nospec_call_end = . ; } .nospec_return_table : { __nospec_return_start = . ; *(.s390_return*) __nospec_return_end = . ; } BOOT_DATA /* early.c uses stsi, which requires page aligned data. */ . = ALIGN(PAGE_SIZE); INIT_DATA_SECTION(0x100) PERCPU_SECTION(0x100) .dynsym ALIGN(8) : { __dynsym_start = .; *(.dynsym) __dynsym_end = .; } .rela.dyn ALIGN(8) : { __rela_dyn_start = .; *(.rela*) __rela_dyn_end = .; } . = ALIGN(PAGE_SIZE); __init_end = .; /* freed after init ends here */ BSS_SECTION(PAGE_SIZE, 4 * PAGE_SIZE, PAGE_SIZE) _end = . ; /* * uncompressed image info used by the decompressor * it should match struct vmlinux_info */ .vmlinux.info 0 (INFO) : { QUAD(_stext) /* default_lma */ QUAD(startup_continue) /* entry */ QUAD(__bss_start - _stext) /* image_size */ QUAD(__bss_stop - __bss_start) /* bss_size */ QUAD(__boot_data_start) /* bootdata_off */ QUAD(__boot_data_end - __boot_data_start) /* bootdata_size */ QUAD(__boot_data_preserved_start) /* bootdata_preserved_off */ QUAD(__boot_data_preserved_end - __boot_data_preserved_start) /* bootdata_preserved_size */ QUAD(__dynsym_start) /* dynsym_start */ QUAD(__rela_dyn_start) /* rela_dyn_start */ QUAD(__rela_dyn_end) /* rela_dyn_end */ } :NONE /* Debugging sections. */ STABS_DEBUG DWARF_DEBUG /* Sections to be discarded */ DISCARDS /DISCARD/ : { *(.eh_frame) }}
/* SPDX-License-Identifier: GPL-2.0 */
/* ld script to make s390 Linux kernel
* Written by Martin Schwidefsky (schwidefsky@de.ibm.com)
*/
#include <asm/thread_info.h>
#include <asm/page.h>
/*
* Put .bss..swapper_pg_dir as the first thing in .bss. This will
* make sure it has 16k alignment.
*/
#define BSS_FIRST_SECTIONS *(.bss..swapper_pg_dir)
/* Handle ro_after_init data on our own. */
#define RO_AFTER_INIT_DATA
#define EMITS_PT_NOTE
#include <asm-generic/vmlinux.lds.h>
#include <asm/vmlinux.lds.h>
OUTPUT_FORMAT("elf64-s390", "elf64-s390", "elf64-s390")
OUTPUT_ARCH(s390:64-bit)
ENTRY(startup_continue)
jiffies = jiffies_64;
PHDRS {
text PT_LOAD FLAGS(5); /* R_E */
data PT_LOAD FLAGS(7); /* RWE */
note PT_NOTE FLAGS(0); /* ___ */
}
SECTIONS
{
. = 0x100000;
.text : {
_stext = .; /* Start of text section */
_text = .; /* Text and read-only data */
HEAD_TEXT
TEXT_TEXT
SCHED_TEXT
CPUIDLE_TEXT
LOCK_TEXT
KPROBES_TEXT
IRQENTRY_TEXT
SOFTIRQENTRY_TEXT
*(.text.*_indirect_*)
*(.fixup)
*(.gnu.warning)
. = ALIGN(PAGE_SIZE);
_etext = .; /* End of text section */
} :text = 0x0700
RO_DATA(PAGE_SIZE)
. = ALIGN(PAGE_SIZE);
_sdata = .; /* Start of data section */
. = ALIGN(PAGE_SIZE);
__start_ro_after_init = .;
.data..ro_after_init : {
*(.data..ro_after_init)
JUMP_TABLE_DATA
} :data
EXCEPTION_TABLE(16)
. = ALIGN(PAGE_SIZE);
__end_ro_after_init = .;
RW_DATA(0x100, PAGE_SIZE, THREAD_SIZE)
BOOT_DATA_PRESERVED
_edata = .; /* End of data section */
/* will be freed after init */
. = ALIGN(PAGE_SIZE); /* Init code and data */
__init_begin = .;
. = ALIGN(PAGE_SIZE);
.init.text : AT(ADDR(.init.text) - LOAD_OFFSET) {
_sinittext = .;
INIT_TEXT
. = ALIGN(PAGE_SIZE);
_einittext = .;
}
/*
* .exit.text is discarded at runtime, not link time,
* to deal with references from __bug_table
*/
.exit.text : {
EXIT_TEXT
}
.exit.data : {
EXIT_DATA
}
/*
* struct alt_inst entries. From the header (alternative.h):
* "Alternative instructions for different CPU types or capabilities"
* Think locking instructions on spinlocks.
* Note, that it is a part of __init region.
*/
. = ALIGN(8);
.altinstructions : {
__alt_instructions = .;
*(.altinstructions)
__alt_instructions_end = .;
}
/*
* And here are the replacement instructions. The linker sticks
* them as binary blobs. The .altinstructions has enough data to
* get the address and the length of them to patch the kernel safely.
* Note, that it is a part of __init region.
*/
.altinstr_replacement : {
*(.altinstr_replacement)
}
/*
* Table with the patch locations to undo expolines
*/
.nospec_call_table : {
__nospec_call_start = . ;
*(.s390_indirect*)
__nospec_call_end = . ;
}
.nospec_return_table : {
__nospec_return_start = . ;
*(.s390_return*)
__nospec_return_end = . ;
}
BOOT_DATA
/* early.c uses stsi, which requires page aligned data. */
. = ALIGN(PAGE_SIZE);
INIT_DATA_SECTION(0x100)
PERCPU_SECTION(0x100)
.dynsym ALIGN(8) : {
__dynsym_start = .;
*(.dynsym)
__dynsym_end = .;
}
.rela.dyn ALIGN(8) : {
__rela_dyn_start = .;
*(.rela*)
__rela_dyn_end = .;
}
. = ALIGN(PAGE_SIZE);
__init_end = .; /* freed after init ends here */
BSS_SECTION(PAGE_SIZE, 4 * PAGE_SIZE, PAGE_SIZE)
_end = . ;
/*
* uncompressed image info used by the decompressor
* it should match struct vmlinux_info
*/
.vmlinux.info 0 (INFO) : {
QUAD(_stext) /* default_lma */
QUAD(startup_continue) /* entry */
QUAD(__bss_start - _stext) /* image_size */
QUAD(__bss_stop - __bss_start) /* bss_size */
QUAD(__boot_data_start) /* bootdata_off */
QUAD(__boot_data_end - __boot_data_start) /* bootdata_size */
QUAD(__boot_data_preserved_start) /* bootdata_preserved_off */
QUAD(__boot_data_preserved_end -
__boot_data_preserved_start) /* bootdata_preserved_size */
QUAD(__dynsym_start) /* dynsym_start */
QUAD(__rela_dyn_start) /* rela_dyn_start */
QUAD(__rela_dyn_end) /* rela_dyn_end */
} :NONE
/* Debugging sections. */
STABS_DEBUG
DWARF_DEBUG
/* Sections to be discarded */
DISCARDS
/DISCARD/ : {
*(.eh_frame)
}
}