arch/ppc64/kernel/vdso64/vdso64.lds.S

/*
 * This is the infamous ld script for the 64 bits vdso
 * library
 */
#include <asm/vdso.h>

OUTPUT_FORMAT("elf64-powerpc", "elf64-powerpc", "elf64-powerpc")
OUTPUT_ARCH(powerpc:common64)
ENTRY(_start)

SECTIONS
{
  . = VDSO64_LBASE + SIZEOF_HEADERS;
  .hash           : { *(.hash) }		:text
  .dynsym         : { *(.dynsym) }
  .dynstr         : { *(.dynstr) }
  .gnu.version    : { *(.gnu.version) }
  .gnu.version_d  : { *(.gnu.version_d) }
  .gnu.version_r  : { *(.gnu.version_r) }

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

  /* 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) }

  .opd           ALIGN(8) : { KEEP (*(.opd)) }
  .got		 ALIGN(8) : { *(.got .toc) }
  .rela.dyn	 ALIGN(8) : { *(.rela.dyn) }

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

  _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) }
  /* DWARF debug sectio/ns.
     Symbols in the DWARF debugging sections are relative to the beginning
     of the section so we begin them at 0.  */
  /* DWARF 1 */
  .debug          0 : { *(.debug) }
  .line           0 : { *(.line) }
  /* GNU DWARF 1 extensions */
  .debug_srcinfo  0 : { *(.debug_srcinfo) }
  .debug_sfnames  0 : { *(.debug_sfnames) }
  /* DWARF 1.1 and DWARF 2 */
  .debug_aranges  0 : { *(.debug_aranges) }
  .debug_pubnames 0 : { *(.debug_pubnames) }
  /* DWARF 2 */
  .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) }
  /* SGI/MIPS DWARF 2 extensions */
  .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/ : { *(.branch_lt) }
  /DISCARD/ : { *(.data .data.* .gnu.linkonce.d.*) }
  /DISCARD/ : { *(.bss .sbss .dynbss .dynsbss) }
}

PHDRS
{
  text PT_LOAD FILEHDR PHDRS FLAGS(5); /* PF_R|PF_X */
  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 it */
	__kernel_get_syscall_map;
    	__kernel_gettimeofday;
	__kernel_sync_dicache;
	__kernel_sync_dicache_p5;
	__kernel_sigtramp_rt64;
    local: *;
  };
}