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Linux/arch/mips/vdso/vdso.lds.S

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Diff markup

Differences between /arch/mips/vdso/vdso.lds.S (Version linux-6.12-rc7) and /arch/sparc/vdso/vdso.lds.S (Version linux-4.18.20)


  1 /* SPDX-License-Identifier: GPL-2.0-or-later * << 
  2 /*                                                  1 /*
  3  * Copyright (C) 2015 Imagination Technologies !!   2  * Linker script for 64-bit vDSO.
  4  * Author: Alex Smith <alex.smith@imgtec.com>   !!   3  * We #include the file to define the layout details.
                                                   >>   4  *
                                                   >>   5  * This file defines the version script giving the user-exported symbols in
                                                   >>   6  * the DSO.
  5  */                                                 7  */
  6                                                     8 
  7 #include <asm/sgidefs.h>                       !!   9 #define BUILD_VDSO64
  8                                                    10 
  9 #if _MIPS_SIM == _MIPS_SIM_ABI64               !!  11 #include "vdso-layout.lds.S"
 10 OUTPUT_FORMAT("elf64-tradlittlemips", "elf64-t << 
 11 #elif _MIPS_SIM == _MIPS_SIM_NABI32            << 
 12 OUTPUT_FORMAT("elf32-ntradlittlemips", "elf32- << 
 13 #else                                          << 
 14 OUTPUT_FORMAT("elf32-tradlittlemips", "elf32-t << 
 15 #endif                                         << 
 16                                                    12 
 17 OUTPUT_ARCH(mips)                              !!  13 /*
 18                                                !!  14  * This controls what userland symbols we export from the vDSO.
 19 SECTIONS                                       !!  15  */
 20 {                                              !!  16 VERSION {
 21         PROVIDE(_start = .);                   << 
 22         . = SIZEOF_HEADERS;                    << 
 23                                                << 
 24         /*                                     << 
 25          * In order to retain compatibility wi << 
 26          * ABI flags section ourself. Newer as << 
 27          * generate .MIPS.abiflags sections so << 
 28          * and then manually define our own se << 
 29          * this section to have the correct na << 
 30          */                                    << 
 31         .mips_abiflags  : { *(.mips_abiflags)  << 
 32                                                << 
 33         .reginfo        : { *(.reginfo) }      << 
 34                                                << 
 35         .hash           : { *(.hash) }         << 
 36         .gnu.hash       : { *(.gnu.hash) }     << 
 37         .dynsym         : { *(.dynsym) }       << 
 38         .dynstr         : { *(.dynstr) }       << 
 39         .gnu.version    : { *(.gnu.version) }  << 
 40         .gnu.version_d  : { *(.gnu.version_d)  << 
 41         .gnu.version_r  : { *(.gnu.version_r)  << 
 42                                                << 
 43         .note           : { *(.note.*) }       << 
 44                                                << 
 45         .text           : { *(.text*) }        << 
 46         PROVIDE (__etext = .);                 << 
 47         PROVIDE (_etext = .);                  << 
 48         PROVIDE (etext = .);                   << 
 49                                                << 
 50         .eh_frame_hdr   : { *(.eh_frame_hdr) } << 
 51         .eh_frame       : { KEEP (*(.eh_frame) << 
 52                                                << 
 53         .dynamic        : { *(.dynamic) }      << 
 54                                                << 
 55         .rodata         : { *(.rodata*) }      << 
 56                                                << 
 57         _end = .;                              << 
 58         PROVIDE(end = .);                      << 
 59                                                << 
 60         /DISCARD/       : {                    << 
 61                 *(.MIPS.abiflags)              << 
 62                 *(.gnu.attributes)             << 
 63                 *(.note.GNU-stack)             << 
 64                 *(.data .data.* .gnu.linkonce. << 
 65                 *(.bss .sbss .dynbss .dynsbss) << 
 66         }                                      << 
 67 }                                              << 
 68                                                << 
 69 PHDRS                                          << 
 70 {                                              << 
 71         /*                                     << 
 72          * Provide a PT_MIPS_ABIFLAGS header t << 
 73          * to. We can specify the header type  << 
 74          * is needed later on.                 << 
 75          */                                    << 
 76         abiflags        0x70000003;            << 
 77                                                << 
 78         /*                                     << 
 79          * The ABI flags header must exist dir << 
 80          * so we must explicitly place the PT_ << 
 81          * stop the linker putting one in at t << 
 82          */                                    << 
 83         reginfo         0x70000000;            << 
 84                                                << 
 85         text            PT_LOAD         FLAGS( << 
 86         dynamic         PT_DYNAMIC      FLAGS( << 
 87         note            PT_NOTE         FLAGS( << 
 88         eh_frame_hdr    PT_GNU_EH_FRAME;       << 
 89 }                                              << 
 90                                                << 
 91 VERSION                                        << 
 92 {                                              << 
 93         LINUX_2.6 {                                17         LINUX_2.6 {
 94 #ifndef CONFIG_MIPS_DISABLE_VDSO               << 
 95         global:                                    18         global:
                                                   >>  19                 clock_gettime;
 96                 __vdso_clock_gettime;              20                 __vdso_clock_gettime;
 97 #ifdef CONFIG_MIPS_CLOCK_VSYSCALL              !!  21                 gettimeofday;
 98                 __vdso_gettimeofday;               22                 __vdso_gettimeofday;
 99 #endif                                         << 
100                 __vdso_clock_getres;           << 
101 #if _MIPS_SIM != _MIPS_SIM_ABI64               << 
102                 __vdso_clock_gettime64;        << 
103 #endif                                         << 
104 #endif                                         << 
105         local: *;                                  23         local: *;
106         };                                         24         };
107 }                                                  25 }
                                                      

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