| /* 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 |
| |
| #include <asm-generic/vmlinux.lds.h> |
| |
| OUTPUT_FORMAT("elf64-s390", "elf64-s390", "elf64-s390") |
| OUTPUT_ARCH(s390:64-bit) |
| ENTRY(startup) |
| jiffies = jiffies_64; |
| |
| PHDRS { |
| text PT_LOAD FLAGS(5); /* R_E */ |
| data PT_LOAD FLAGS(7); /* RWE */ |
| note PT_NOTE FLAGS(0); /* ___ */ |
| } |
| |
| SECTIONS |
| { |
| . = 0x00000000; |
| .text : { |
| /* Text and read-only data */ |
| HEAD_TEXT |
| /* |
| * E.g. perf doesn't like symbols starting at address zero, |
| * therefore skip the initial PSW and channel program located |
| * at address zero and let _text start at 0x200. |
| */ |
| _text = 0x200; |
| TEXT_TEXT |
| SCHED_TEXT |
| CPUIDLE_TEXT |
| LOCK_TEXT |
| KPROBES_TEXT |
| IRQENTRY_TEXT |
| SOFTIRQENTRY_TEXT |
| *(.fixup) |
| *(.gnu.warning) |
| } :text = 0x0700 |
| |
| . = ALIGN(PAGE_SIZE); |
| _etext = .; /* End of text section */ |
| |
| NOTES :text :note |
| |
| .dummy : { *(.dummy) } :data |
| |
| RO_DATA_SECTION(PAGE_SIZE) |
| |
| #ifdef CONFIG_SHARED_KERNEL |
| . = ALIGN(0x100000); /* VM shared segments are 1MB aligned */ |
| #endif |
| |
| . = ALIGN(PAGE_SIZE); |
| _eshared = .; /* End of shareable data */ |
| _sdata = .; /* Start of data section */ |
| |
| . = ALIGN(PAGE_SIZE); |
| __start_ro_after_init = .; |
| .data..ro_after_init : { |
| *(.data..ro_after_init) |
| } |
| EXCEPTION_TABLE(16) |
| . = ALIGN(PAGE_SIZE); |
| __end_ro_after_init = .; |
| |
| RW_DATA_SECTION(0x100, PAGE_SIZE, THREAD_SIZE) |
| |
| _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) { |
| VMLINUX_SYMBOL(_sinittext) = . ; |
| INIT_TEXT |
| . = ALIGN(PAGE_SIZE); |
| VMLINUX_SYMBOL(_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 |
| } |
| |
| /* early.c uses stsi, which requires page aligned data. */ |
| . = ALIGN(PAGE_SIZE); |
| INIT_DATA_SECTION(0x100) |
| |
| PERCPU_SECTION(0x100) |
| . = ALIGN(PAGE_SIZE); |
| __init_end = .; /* freed after init ends here */ |
| |
| BSS_SECTION(PAGE_SIZE, 4 * PAGE_SIZE, PAGE_SIZE) |
| |
| _end = . ; |
| |
| /* Debugging sections. */ |
| STABS_DEBUG |
| DWARF_DEBUG |
| |
| /* Sections to be discarded */ |
| DISCARDS |
| } |
