1/* 2 * Adapted from arm64 version. 3 * 4 * GNU linker script for the VDSO library. 5 * 6 * Copyright (C) 2012 ARM Limited 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License version 2 as 10 * published by the Free Software Foundation. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program. If not, see <http://www.gnu.org/licenses/>. 19 * 20 * Author: Will Deacon <will.deacon@arm.com> 21 * Heavily based on the vDSO linker scripts for other archs. 22 */ 23 24#include <linux/const.h> 25#include <asm/page.h> 26#include <asm/vdso.h> 27 28OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm", "elf32-littlearm") 29OUTPUT_ARCH(arm) 30 31SECTIONS 32{ 33 PROVIDE(_start = .); 34 35 . = SIZEOF_HEADERS; 36 37 .hash : { *(.hash) } :text 38 .gnu.hash : { *(.gnu.hash) } 39 .dynsym : { *(.dynsym) } 40 .dynstr : { *(.dynstr) } 41 .gnu.version : { *(.gnu.version) } 42 .gnu.version_d : { *(.gnu.version_d) } 43 .gnu.version_r : { *(.gnu.version_r) } 44 45 .note : { *(.note.*) } :text :note 46 47 48 .eh_frame_hdr : { *(.eh_frame_hdr) } :text :eh_frame_hdr 49 .eh_frame : { KEEP (*(.eh_frame)) } :text 50 51 .dynamic : { *(.dynamic) } :text :dynamic 52 53 .rodata : { *(.rodata*) } :text 54 55 .text : { *(.text*) } :text =0xe7f001f2 56 57 .got : { *(.got) } 58 .rel.plt : { *(.rel.plt) } 59 60 /DISCARD/ : { 61 *(.note.GNU-stack) 62 *(.data .data.* .gnu.linkonce.d.* .sdata*) 63 *(.bss .sbss .dynbss .dynsbss) 64 } 65} 66 67/* 68 * We must supply the ELF program headers explicitly to get just one 69 * PT_LOAD segment, and set the flags explicitly to make segments read-only. 70 */ 71PHDRS 72{ 73 text PT_LOAD FLAGS(5) FILEHDR PHDRS; /* PF_R|PF_X */ 74 dynamic PT_DYNAMIC FLAGS(4); /* PF_R */ 75 note PT_NOTE FLAGS(4); /* PF_R */ 76 eh_frame_hdr PT_GNU_EH_FRAME; 77} 78 79VERSION 80{ 81 LINUX_2.6 { 82 global: 83 __vdso_clock_gettime; 84 __vdso_gettimeofday; 85 local: *; 86 }; 87} 88