1/*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2021 The FreeBSD Foundation 5 * 6 * This software was developed by Konstantin Belousov <kib@FreeBSD.org> 7 * under sponsorship from the FreeBSD Foundation. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31/* 32 * Linker script for amd64 vdso. 33 */ 34 35PHDRS 36{ 37 text PT_LOAD FILEHDR PHDRS FLAGS(5); /* PF_R|PF_X */ 38 dynamic PT_DYNAMIC FLAGS(5); 39 eh_frame_hdr PT_GNU_EH_FRAME FLAGS(5); 40} 41 42SECTIONS 43{ 44 . = . + SIZEOF_HEADERS; 45 46 .hash : { *(.hash) } :text 47 .gnu.hash : { *(.gnu.hash) } :text 48 .dynsym : { *(.dynsym) } :text 49 .dynstr : { *(.dynstr) } :text 50 .gnu.version : { *(.gnu.version) } :text 51 .gnu.version_d : { *(.gnu.version_d) } :text 52 .gnu.version_r : { *(.gnu.version_r) } :text 53 .eh_frame_hdr : { *(.eh_frame_hdr) } :text :eh_frame_hdr 54 .eh_frame : { KEEP (*(.eh_frame)) } :text 55 .dynamic : { *(.dynamic) } :text :dynamic 56 .rodata : { *(.rodata*) } :text 57 .data : { 58 *(.got.plt) *(.got) 59 } :text 60 /DISCARD/ /* .data */: { 61 *(.data*) 62 *(.sdata*) 63 *(.gnu.linkonce.d.*) 64 *(.bss*) 65 *(.dynbss*) 66 *(.gnu.linkonce.b.*) 67 *(.ctors) 68 *(.dtors) 69 *(.jcr) 70 *(.init_array) 71 *(.init) 72 *(.fini) 73 *(.debug*) 74 *(.comment) 75 } 76 77 . = ALIGN(0x10); 78 .text : { *(.text .text*) } :text =0x90909090 79} 80 81VERSION 82{ 83 FBSD_1.7 { 84 global: 85 __vdso_sigcode; 86 local: 87 *; 88 }; 89} 90