Root/arch/s390/kernel/vmlinux.lds.S

1/* ld script to make s390 Linux kernel
2 * Written by Martin Schwidefsky (schwidefsky@de.ibm.com)
3 */
4
5#include <asm/thread_info.h>
6#include <asm/page.h>
7#include <asm-generic/vmlinux.lds.h>
8
9#ifndef CONFIG_64BIT
10OUTPUT_FORMAT("elf32-s390", "elf32-s390", "elf32-s390")
11OUTPUT_ARCH(s390)
12ENTRY(_start)
13jiffies = jiffies_64 + 4;
14#else
15OUTPUT_FORMAT("elf64-s390", "elf64-s390", "elf64-s390")
16OUTPUT_ARCH(s390:64-bit)
17ENTRY(_start)
18jiffies = jiffies_64;
19#endif
20
21PHDRS {
22    text PT_LOAD FLAGS(5); /* R_E */
23    data PT_LOAD FLAGS(7); /* RWE */
24    note PT_NOTE FLAGS(0); /* ___ */
25}
26
27SECTIONS
28{
29    . = 0x00000000;
30    .text : {
31    _text = .; /* Text and read-only data */
32        HEAD_TEXT
33        TEXT_TEXT
34        SCHED_TEXT
35        LOCK_TEXT
36        KPROBES_TEXT
37        IRQENTRY_TEXT
38        *(.fixup)
39        *(.gnu.warning)
40    } :text = 0x0700
41
42    _etext = .; /* End of text section */
43
44    NOTES :text :note
45
46    RODATA
47
48#ifdef CONFIG_SHARED_KERNEL
49    . = ALIGN(0x100000); /* VM shared segments are 1MB aligned */
50#endif
51
52    . = ALIGN(PAGE_SIZE);
53    _eshared = .; /* End of shareable data */
54    _sdata = .; /* Start of data section */
55
56    EXCEPTION_TABLE(16) :data
57
58    RW_DATA_SECTION(0x100, PAGE_SIZE, THREAD_SIZE)
59
60    _edata = .; /* End of data section */
61
62    /* will be freed after init */
63    . = ALIGN(PAGE_SIZE); /* Init code and data */
64    __init_begin = .;
65
66    INIT_TEXT_SECTION(PAGE_SIZE)
67
68    /*
69     * .exit.text is discarded at runtime, not link time,
70     * to deal with references from __bug_table
71    */
72    .exit.text : {
73        EXIT_TEXT
74    }
75
76    /* early.c uses stsi, which requires page aligned data. */
77    . = ALIGN(PAGE_SIZE);
78    INIT_DATA_SECTION(0x100)
79
80    PERCPU(PAGE_SIZE)
81    . = ALIGN(PAGE_SIZE);
82    __init_end = .; /* freed after init ends here */
83
84    BSS_SECTION(0, 2, 0)
85
86    _end = . ;
87
88    /* Debugging sections. */
89    STABS_DEBUG
90    DWARF_DEBUG
91
92    /* Sections to be discarded */
93    DISCARDS
94}
95

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