The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/arm64/linux/linux_vdso.lds.s

Version: -  FREEBSD  -  FREEBSD-13-STABLE  -  FREEBSD-13-0  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  l41  -  OPENBSD  -  linux-2.6  -  MK84  -  PLAN9  -  xnu-8792 
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    1 /*
    2  * Linker script for 64-bit vDSO.
    3  * Copied from Linux kernel arch/arm64/kernel/vdso/vdso.lds.S
    4  *
    5  * $FreeBSD$
    6  */
    7 
    8 SECTIONS
    9 {
   10         . = . + SIZEOF_HEADERS;
   11 
   12         .hash           : { *(.hash) }                  :text
   13         .gnu.hash       : { *(.gnu.hash) }
   14         .dynsym         : { *(.dynsym) }
   15         .dynstr         : { *(.dynstr) }
   16         .gnu.version    : { *(.gnu.version) }
   17         .gnu.version_d  : { *(.gnu.version_d) }
   18         .gnu.version_r  : { *(.gnu.version_r) }
   19 
   20         /DISCARD/       : {
   21                 *(.note.GNU-stack .note.gnu.property)
   22         }
   23 
   24         .note           : { *(.note.*) }                :text   :note
   25 
   26         . = ALIGN(0x100);
   27 
   28         .text           : { *(.text*) }                 :text   =0x90909090
   29         PROVIDE (__etext = .);
   30         PROVIDE (_etext = .);
   31         PROVIDE (etext = .);
   32 
   33         .dynamic        : { *(.dynamic) }               :text   :dynamic
   34 
   35         .rodata         : { *(.rodata*) }               :text
   36         .data           : {
   37                 *(.data*)
   38         }
   39 
   40         _end = .;
   41         PROVIDE(end = .);
   42 
   43         /DISCARD/       : {
   44                 *(.eh_frame .eh_frame_hdr)
   45         }
   46 }
   47 
   48 PHDRS
   49 {
   50         text            PT_LOAD         FLAGS(5) FILEHDR PHDRS; /* PF_R|PF_X */
   51         dynamic         PT_DYNAMIC      FLAGS(4);               /* PF_R */
   52         note            PT_NOTE         FLAGS(4);               /* PF_R */
   53 }
   54 
   55 /*
   56  * This controls what symbols we export from the DSO.
   57  */
   58 VERSION
   59 {
   60         LINUX_2.6.39 {
   61         global:
   62                 __kernel_rt_sigreturn;
   63                 __kernel_gettimeofday;
   64                 __kernel_clock_gettime;
   65                 __kernel_clock_getres;
   66         local: *;
   67         };
   68 
   69         LINUX_0.0 {
   70         global:
   71                 linux_platform;
   72                 kern_timekeep_base;
   73                 linux_vdso_sigcode;
   74         local: *;
   75         };
   76 }

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