xref: /openbmc/linux/arch/um/kernel/uml.lds.S (revision 31e67366)
1/* SPDX-License-Identifier: GPL-2.0 */
2#include <asm/vmlinux.lds.h>
3#include <asm/page.h>
4
5OUTPUT_FORMAT(ELF_FORMAT)
6OUTPUT_ARCH(ELF_ARCH)
7ENTRY(_start)
8jiffies = jiffies_64;
9
10SECTIONS
11{
12  /* This must contain the right address - not quite the default ELF one.*/
13  PROVIDE (__executable_start = START);
14  /* Static binaries stick stuff here, like the sigreturn trampoline,
15   * invisibly to objdump.  So, just make __binary_start equal to the very
16   * beginning of the executable, and if there are unmapped pages after this,
17   * they are forever unusable.
18   */
19  __binary_start = START;
20
21  . = START + SIZEOF_HEADERS;
22  . = ALIGN(PAGE_SIZE);
23
24  _text = .;
25  INIT_TEXT_SECTION(0)
26
27  .text      :
28  {
29    _stext = .;
30    TEXT_TEXT
31    SCHED_TEXT
32    CPUIDLE_TEXT
33    LOCK_TEXT
34    IRQENTRY_TEXT
35    SOFTIRQENTRY_TEXT
36    *(.fixup)
37    /* .gnu.warning sections are handled specially by elf32.em.  */
38    *(.gnu.warning)
39    *(.gnu.linkonce.t*)
40  }
41
42  . = ALIGN(PAGE_SIZE);
43  .syscall_stub : {
44	__syscall_stub_start = .;
45	*(.__syscall_stub*)
46	__syscall_stub_end = .;
47  }
48
49  /*
50   * These are needed even in a static link, even if they wind up being empty.
51   * Newer glibc needs these __rel{,a}_iplt_{start,end} symbols.
52   */
53  .rel.plt : {
54	*(.rel.plt)
55	PROVIDE_HIDDEN(__rel_iplt_start = .);
56	*(.rel.iplt)
57	PROVIDE_HIDDEN(__rel_iplt_end = .);
58  }
59  .rela.plt : {
60	*(.rela.plt)
61	PROVIDE_HIDDEN(__rela_iplt_start = .);
62	*(.rela.iplt)
63	PROVIDE_HIDDEN(__rela_iplt_end = .);
64  }
65
66  #include <asm/common.lds.S>
67
68  __init_begin = .;
69  init.data : { INIT_DATA }
70  __init_end = .;
71
72  .data    :
73  {
74    INIT_TASK_DATA(KERNEL_STACK_SIZE)
75    . = ALIGN(KERNEL_STACK_SIZE);
76    *(.data..init_irqstack)
77    DATA_DATA
78    *(.gnu.linkonce.d*)
79    CONSTRUCTORS
80  }
81  .data1   : { *(.data1) }
82  .ctors         :
83  {
84    *(.ctors)
85  }
86  .dtors         :
87  {
88    *(.dtors)
89  }
90
91  .got           : { *(.got.plt) *(.got) }
92  .dynamic       : { *(.dynamic) }
93  .tdata	  : { *(.tdata .tdata.* .gnu.linkonce.td.*) }
94  .tbss		  : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
95  /* We want the small data sections together, so single-instruction offsets
96     can access them all, and initialized data all before uninitialized, so
97     we can shorten the on-disk segment size.  */
98  .sdata     : { *(.sdata) }
99  _edata  =  .;
100  PROVIDE (edata = .);
101  . = ALIGN(PAGE_SIZE);
102  __bss_start = .;
103  PROVIDE(_bss_start = .);
104  SBSS(0)
105  BSS(0)
106   __bss_stop = .;
107  _end = .;
108  PROVIDE (end = .);
109
110  STABS_DEBUG
111  DWARF_DEBUG
112  ELF_DETAILS
113
114  DISCARDS
115}
116