1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* 3 * Copyright (C) 2012 Regents of the University of California 4 */ 5#include <asm/page.h> 6#include <asm/vdso.h> 7#include <vdso/datapage.h> 8 9OUTPUT_ARCH(riscv) 10 11SECTIONS 12{ 13 VDSO_VVAR_SYMS 14 15 . = SIZEOF_HEADERS; 16 17 .hash : { *(.hash) } :text 18 .gnu.hash : { *(.gnu.hash) } 19 .dynsym : { *(.dynsym) } 20 .dynstr : { *(.dynstr) } 21 .gnu.version : { *(.gnu.version) } 22 .gnu.version_d : { *(.gnu.version_d) } 23 .gnu.version_r : { *(.gnu.version_r) } 24 25 .dynamic : { *(.dynamic) } :text :dynamic 26 27 .rodata : { 28 *(.rodata .rodata.* .gnu.linkonce.r.*) 29 *(.got.plt) *(.got) 30 *(.data .data.* .gnu.linkonce.d.*) 31 *(.dynbss) 32 *(.bss .bss.* .gnu.linkonce.b.*) 33 } :text 34 35 .note : { *(.note.*) } :text :note 36 37 .eh_frame_hdr : { *(.eh_frame_hdr) } :text :eh_frame_hdr 38 .eh_frame : { KEEP (*(.eh_frame)) } :text 39 40 /* 41 * Text is well-separated from actual data: there's plenty of 42 * stuff that isn't used at runtime in between. 43 */ 44 . = ALIGN(16); 45 .text : { *(.text .text.*) } :text 46 47 . = ALIGN(4); 48 __vdso_alternatives_start = .; 49 .alternative : { 50 *(.alternative) 51 } 52 __vdso_alternatives_end = .; 53} 54 55/* 56 * We must supply the ELF program headers explicitly to get just one 57 * PT_LOAD segment, and set the flags explicitly to make segments read-only. 58 */ 59PHDRS 60{ 61 text PT_LOAD FLAGS(5) FILEHDR PHDRS; /* PF_R|PF_X */ 62 dynamic PT_DYNAMIC FLAGS(4); /* PF_R */ 63 note PT_NOTE FLAGS(4); /* PF_R */ 64 eh_frame_hdr PT_GNU_EH_FRAME; 65} 66 67/* 68 * This controls what symbols we export from the DSO. 69 */ 70VERSION 71{ 72 LINUX_4.15 { 73 global: 74 __vdso_rt_sigreturn; 75#ifdef HAS_VGETTIMEOFDAY 76 __vdso_gettimeofday; 77 __vdso_clock_gettime; 78 __vdso_clock_getres; 79#endif 80 __vdso_getcpu; 81 __vdso_flush_icache; 82#ifndef COMPAT_VDSO 83 __vdso_riscv_hwprobe; 84#endif 85#if defined(CONFIG_VDSO_GETRANDOM) && !defined(COMPAT_VDSO) 86 __vdso_getrandom; 87#endif 88 local: *; 89 }; 90} 91