summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/kernel/vdso32/vdso32.lds.S
blob: 26e138c4ce1756fe73ac995fc6c86e26cf5328ed (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
/*
 * This is the infamous ld script for the 32 bits vdso
 * library
 */
#include <asm/vdso.h>

/* Default link addresses for the vDSOs */
OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc", "elf32-powerpc")
OUTPUT_ARCH(powerpc:common)
ENTRY(_start)

SECTIONS
{
  . = VDSO32_LBASE + SIZEOF_HEADERS;
  .hash           : { *(.hash) }			:text
  .gnu.hash       : { *(.gnu.hash) }
  .dynsym         : { *(.dynsym) }
  .dynstr         : { *(.dynstr) }
  .gnu.version    : { *(.gnu.version) }
  .gnu.version_d  : { *(.gnu.version_d) }
  .gnu.version_r  : { *(.gnu.version_r) }

  .note		  : { *(.note.*) } 			:text	:note

  . = ALIGN (16);
  .text :
  {
    *(.text .stub .text.* .gnu.linkonce.t.*)
  }
  PROVIDE (__etext = .);
  PROVIDE (_etext = .);
  PROVIDE (etext = .);

  . = ALIGN(8);
  __ftr_fixup : {
    *(__ftr_fixup)
  }

#ifdef CONFIG_PPC64
  . = ALIGN(8);
  __fw_ftr_fixup : {
    *(__fw_ftr_fixup)
  }
#endif

  /* Other stuff is appended to the text segment: */
  .rodata		: { *(.rodata .rodata.* .gnu.linkonce.r.*) }
  .rodata1		: { *(.rodata1) }

  .eh_frame_hdr		: { *(.eh_frame_hdr) }		:text	:eh_frame_hdr
  .eh_frame		: { KEEP (*(.eh_frame)) }	:text
  .gcc_except_table	: { *(.gcc_except_table) }
  .fixup		: { *(.fixup) }

  .dynamic		: { *(.dynamic) }		:text	:dynamic
  .got : { *(.got) }
  .plt : { *(.plt) }

  _end = .;
  __end = .;
  PROVIDE (end = .);


  /* Stabs debugging sections are here too
   */
  .stab 0 : { *(.stab) }
  .stabstr 0 : { *(.stabstr) }
  .stab.excl 0 : { *(.stab.excl) }
  .stab.exclstr 0 : { *(.stab.exclstr) }
  .stab.index 0 : { *(.stab.index) }
  .stab.indexstr 0 : { *(.stab.indexstr) }
  .comment 0 : { *(.comment) }
  .debug 0 : { *(.debug) }
  .line 0 : { *(.line) }

  .debug_srcinfo 0 : { *(.debug_srcinfo) }
  .debug_sfnames 0 : { *(.debug_sfnames) }

  .debug_aranges 0 : { *(.debug_aranges) }
  .debug_pubnames 0 : { *(.debug_pubnames) }

  .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
  .debug_abbrev 0 : { *(.debug_abbrev) }
  .debug_line 0 : { *(.debug_line) }
  .debug_frame 0 : { *(.debug_frame) }
  .debug_str 0 : { *(.debug_str) }
  .debug_loc 0 : { *(.debug_loc) }
  .debug_macinfo 0 : { *(.debug_macinfo) }

  .debug_weaknames 0 : { *(.debug_weaknames) }
  .debug_funcnames 0 : { *(.debug_funcnames) }
  .debug_typenames 0 : { *(.debug_typenames) }
  .debug_varnames 0 : { *(.debug_varnames) }

  /DISCARD/ : { *(.note.GNU-stack) }
  /DISCARD/ : { *(.data .data.* .gnu.linkonce.d.* .sdata*) }
  /DISCARD/ : { *(.bss .sbss .dynbss .dynsbss) }
}


PHDRS
{
  text PT_LOAD FILEHDR PHDRS FLAGS(5); /* PF_R|PF_X */
  note PT_NOTE FLAGS(4); /* PF_R */
  dynamic PT_DYNAMIC FLAGS(4); /* PF_R */
  eh_frame_hdr 0x6474e550; /* PT_GNU_EH_FRAME, but ld doesn't match the name */
}


/*
 * This controls what symbols we export from the DSO.
 */
VERSION
{
  VDSO_VERSION_STRING {
    global:
	__kernel_datapage_offset; /* Has to be there for the kernel to find */
	__kernel_get_syscall_map;
	__kernel_gettimeofday;
	__kernel_clock_gettime;
	__kernel_clock_getres;
	__kernel_get_tbfreq;
	__kernel_sync_dicache;
	__kernel_sync_dicache_p5;
	__kernel_sigtramp32;
	__kernel_sigtramp_rt32;
    local: *;
  };
}