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 35/* 36 * The OUTPUT_ARCH and TARGET lines are for ld.bfd. 37 * lld doesn't do much with them, the only thing it does is producing ELF 38 * or binary based on TARGET. 39 */ 40OUTPUT_ARCH(i386:x86-64) 41TARGET(elf64-x86-64-freebsd) 42 43PHDRS 44{ 45 text PT_LOAD FILEHDR PHDRS FLAGS(5); /* PF_R|PF_X */ 46 dynamic PT_DYNAMIC FLAGS(5); 47 eh_frame_hdr PT_GNU_EH_FRAME FLAGS(5); 48} 49 50SECTIONS 51{ 52 . = . + SIZEOF_HEADERS; 53 54 .hash : { *(.hash) } :text 55 .gnu.hash : { *(.gnu.hash) } :text 56 .dynsym : { *(.dynsym) } :text 57 .dynstr : { *(.dynstr) } :text 58 .gnu.version : { *(.gnu.version) } :text 59 .gnu.version_d : { *(.gnu.version_d) } :text 60 .gnu.version_r : { *(.gnu.version_r) } :text 61 .eh_frame_hdr : { *(.eh_frame_hdr) } :text :eh_frame_hdr 62 .eh_frame : { KEEP (*(.eh_frame)) } :text 63 .dynamic : { *(.dynamic) } :text :dynamic 64 .rodata : { *(.rodata*) } :text 65 .data : { 66 *(.got.plt) *(.got) 67 } :text 68 /DISCARD/ /* .data */: { 69 *(.data*) 70 *(.sdata*) 71 *(.gnu.linkonce.d.*) 72 *(.bss*) 73 *(.dynbss*) 74 *(.gnu.linkonce.b.*) 75 *(.ctors) 76 *(.dtors) 77 *(.jcr) 78 *(.init_array) 79 *(.init) 80 *(.fini) 81 *(.debug*) 82 *(.comment) 83 } 84 85 . = ALIGN(0x10); 86 .text : { *(.text .text*) } :text =0x90909090 87} 88 89VERSION 90{ 91 FBSD_1.7 { 92 global: 93 __vdso_sigcode; 94 local: 95 *; 96 }; 97} 98